PikPak 增强大师

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PikPak 增强大师

桌面级PikPak网盘管家！包含Aria2/Motrix带目录结构推送、文件查重（哈希/时长/名称）、文件夹查重（名称/相似度/包含率）、批量重命名（正则替换/连续编号/文本格式化/FC2名称清洗/前缀去广告/后缀智能修复）、清理空文件夹、内置解压密码库的批量解压、夹杂无关文字或“去头”的污染磁链智能识别、自定义资源黑白名单：清理垃圾文件/文件夹、多账号数据迁移、分享提取次数限制、导出目录树等。沉浸式媒体播放引擎：以图搜图、高级字幕加载、跳过片头尾及进度条缩略图预览。叫“增强大师”是有原因的，何不进来看看？
当前为 2026-04-28 提交的版本，查看最新版本。
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// ==UserScript==
// @name               PikPak 增强大师
// @name:zh-CN         PikPak 增强大师
// @name:zh-TW         PikPak 增強大師
// @name:en            PikPak Enhancement Master
// @name:ko            PikPak Enhancement Master
// @name:ja            PikPak Enhancement Master
// @name:id            PikPak Enhancement Master
// @name:ms            PikPak Enhancement Master
// @namespace          https://github.com/digbug82/
// @version            2.2.2
// @author             digbug82
// @license            CC-BY-NC-SA-4.0
// @description        桌面级PikPak网盘管家！包含Aria2/Motrix带目录结构推送、文件查重（哈希/时长/名称）、文件夹查重（名称/相似度/包含率）、批量重命名（正则替换/连续编号/文本格式化/FC2名称清洗/前缀去广告/后缀智能修复）、清理空文件夹、内置解压密码库的批量解压、夹杂无关文字或“去头”的污染磁链智能识别、自定义资源黑白名单：清理垃圾文件/文件夹、多账号数据迁移、分享提取次数限制、导出目录树等。沉浸式媒体播放引擎：以图搜图、高级字幕加载、跳过片头尾及进度条缩略图预览。叫“增强大师”是有原因的，何不进来看看？
// @description:zh-CN  桌面级PikPak网盘管家！包含Aria2/Motrix带目录结构推送、文件查重（哈希/时长/名称）、文件夹查重（名称/相似度/包含率）、批量重命名（正则替换/连续编号/文本格式化/FC2名称清洗/前缀去广告/后缀智能修复）、清理空文件夹、内置解压密码库的批量解压、夹杂无关文字或“去头”的污染磁链智能识别、自定义资源黑白名单：清理垃圾文件/文件夹、多账号数据迁移、分享提取次数限制、导出目录树等。沉浸式媒体播放引擎：以图搜图、高级字幕加载、跳过片头尾及进度条缩略图预览。叫“增强大师”是有原因的，何不进来看看？
// @description:zh-TW  桌面級PikPak網盤管家！包含Aria2/Motrix帶目錄結構推送、檔案查重（雜湊/時長/名稱）、資料夾查重（名稱/相似度/包含率）、批次重新命名（正規替換/連續編號/文字格式化/FC2名稱清洗/前綴去廣告/後綴智慧修復）、清理空資料夾、內建解壓縮密碼庫的批次解壓縮、夾雜無關文字或「去頭」的污染磁鏈智慧識別、自訂資源黑白名單：清理垃圾檔案/資料夾、多帳號資料遷移、分享提取次數限制、匯出目錄樹等。沉浸式媒體播放引擎：以圖搜圖、進階字幕載入、跳過片頭尾及進度條縮圖預覽。叫「增強大師」是有原因的，何不進來看看？
// @description:en     Desktop-grade PikPak manager! Features Aria2/Motrix push with folders, file dedupe (hash/time/name), folder dedupe (name/similarity/inclusion), bulk rename (regex/sequential/format/FC2/ad-free/ext-fix), empty folder pruning, batch extract via password vault, corrupted magnet recognition, custom trash black/whitelists, multi-account migration, share limit restrictions, tree export. Immersive player: image search, advanced subs, intro/outro skip, thumbnails. Why not take a look?
// @description:ko     데스크톱급 PikPak 관리자! 구조 유지 Aria2/Motrix 푸시, 파일(해시/시간/이름)·폴더(이름/유사도/포함율) 중복 검사, 일괄 이름 변경(정규식/순번/포맷/FC2/광고제거/확장자복구), 빈 폴더 정리, 내장 암호 일괄 압축 해제, 오염 마그넷 인식, 지정 흑백명단 쓰레기 정리, 다중 계정 마이그레이션, 공유 횟수 제한, 트리 내보내기. 몰입형 플레이어: 이미지 검색, 고급 자막, 오프/엔딩 스킵, 썸네일. "인핸서 마스터"인 이유를 확인해보세요!
// @description:ja     デスクトップ級PikPakマネージャー！階層保持Aria2/Motrix転送、ファイル(ハッシュ/時間/名前)・フォルダ(名前/類似度/包含率)重複チェック、一括リネーム(正規表現/連番/書式/FC2/広告削除/拡張子修復)、空フォルダ削除、内蔵パス庫の一括解凍、破損マグネット認識、白/黒リストによる不要ファイル整理、複数アカウント移行、共有回数制限、ツリー出力。没入型プレーヤー：画像検索、高度な字幕、OP/EDスキップ、サムネイル。なぜ「拡張マスター」なのか、ぜひお試しを！
// @description:id     Pengelola PikPak kelas desktop! Mendukung push Aria2/Motrix dengan struktur folder, duplikat file/folder, ganti nama massal, bersih folder kosong, ekstraksi massal dengan vault kata sandi, identifikasi magnet tercemar, daftar hitam/putih kustom, migrasi multi-akun, batas ekstraksi berbagi, ekspor pohon direktori, dan lainnya. Mesin media imersif: cari gambar, subtitle lanjutan, lewati intro/outro, dan pratinjau thumbnail progres.
// @description:ms     Pengurus PikPak bertaraf desktop! Menyokong push Aria2/Motrix dengan struktur folder, semakan pendua fail/folder, penamaan semula pukal, pembersihan folder kosong, nyahmampat pukal dengan peti kata laluan, pengecaman magnet tercemar, senarai hitam/putih tersuai, migrasi berbilang akaun, had pengekstrakan perkongsian, eksport pepohon direktori dan banyak lagi. Enjin media imersif: carian imej, sari kata lanjutan, langkau intro/outro, dan pratonton lakaran kecil kemajuan.
// @match              https://mypikpak.com/drive/*
// @match              https://app.mypikpak.com/*
// @match              https://drive.mypikpak.com/*
// @icon               https://raw.githubusercontent.com/digbug82/PikPak_Enhancement_Master/main/img/logo.svg
// @homepage           https://github.com/digbug82/PikPak_Enhancement_Master
// @supportURL         https://github.com/digbug82/PikPak_Enhancement_Master/issues
// @compatible         chrome
// @compatible         edge
// @grant              GM_setClipboard
// @grant              GM_setValue
// @grant              GM_getValue
// @grant              GM_deleteValue
// @grant              GM_listValues
// @grant              GM_xmlhttpRequest
// @connect            catbox.moe
// @connect            litterbox.catbox.moe
// @connect            uguu.se
// @connect            mypikpak.com
// @connect            whatslink.info
// @connect            localhost
// @run-at             document-start
// @require            https://cdn.jsdelivr.net/npm/[email protected]/dist/hls.min.js
// @require            https://cdn.jsdelivr.net/npm/[email protected]/dist/localforage.min.js

// ==/UserScript==

/*
 * ============================================================================
 * COPYRIGHT & LICENSE NOTICE
 * ============================================================================
 * This project (PikPak Enhancement Master) is a derivative work created by digbug82.
 *
 * [1] NEW CONTRIBUTIONS & ENHANCEMENTS:
 * All new features, extensive refactoring, UI overhaul, and advanced management
 * suites (e.g., Image Search, Blacklist, Smart Deduplication, Aria2 integration)
 * are licensed under the Creative Commons Attribution-NonCommercial-ShareAlike
 * 4.0 International License (CC-BY-NC-SA-4.0).
 * Copyright (c) 2025-2026 digbug82.
 * You may NOT use this material for commercial purposes.
 *
 * ----------------------------------------------------------------------------
 * [2] ORIGINAL PROJECT ACKNOWLEDGEMENT (MIT License):
 * The base framework and original API logics are derived from
 * "PikPak File Manager v1.2.0" (Original Repository: https://github.com/poihoii/PikPak_FileManager).
 *
 * MIT License
 * Copyright (c) 2025 브랜뉴
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * ============================================================================
 */

(() => {
"use strict";

if (window.self !== window.top) return;

const parseCloudLinks = (rawString, isSmartFix) => {
    const formattedVal = String(rawString || '').replace(/(https?:\/\/|ftp:\/\/|sftp:\/\/|magnet:\?|ed2k:\/\/|thunder:\/\/)/gi, '\n$1');
    const lines = formattedVal.split('\n').map(l => l.trim()).filter(l => l);
    const uniqueTasks = new Map();
    const linkRegex = /^(https?:\/\/|ftp:\/\/|sftp:\/\/|magnet:\?|ed2k:\/\/|thunder:\/\/)/i;
    const base32ToHex = (b32) => {
        const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
        let bits = "";
        const input = String(b32 || '').toUpperCase();
        for (let i = 0; i < input.length; i++) {
            const val = alphabet.indexOf(input[i]);
            if (val === -1) return null;
            bits += val.toString(2).padStart(5, '0');
        }
        let hex = "";
        for (let i = 0; i + 4 <= bits.length; i += 4) {
            const chunk = bits.substring(i, i + 4);
            const num = parseInt(chunk, 2);
            if (!isNaN(num)) hex += num.toString(16);
        }
        return hex.toUpperCase();
    };
    const extractHexHash = (url) => {
        const match = String(url || '').match(/urn:btih:([^&]+)/i);
        if (!match) return null;
        const hash = match[1].toUpperCase();
        if (hash.length === 40) return hash;
        if (hash.length === 32) return base32ToHex(hash);
        return null;
    };
    const addResult = (url) => {
        const hash = extractHexHash(url);
        if (hash) {
            if (!uniqueTasks.has(hash)) uniqueTasks.set(hash, url);
        } else {
            uniqueTasks.set(url, url);
        }
    };
    for (let i = 0; i < lines.length; i++) {
        let line = lines[i];
        if (linkRegex.test(line)) {
            addResult(line);
            continue;
        }
        if (isSmartFix) {
            let cleanedStr = line.replace(/[^a-zA-Z0-9]/g, '');
            const hexMatches = cleanedStr.matchAll(/([a-fA-F0-9]{40})/g);
            for (const match of hexMatches) {
                addResult(`magnet:?xt=urn:btih:${match[1].toUpperCase()}`);
                cleanedStr = cleanedStr.replace(match[1], ' '.repeat(40));
            }
            const b32Matches = cleanedStr.matchAll(/([a-zA-Z2-7]{32})/g);
            for (const match of b32Matches) {
                const hex = base32ToHex(match[1].toUpperCase());
                if (hex) addResult(`magnet:?xt=urn:btih:${hex}`);
            }
        }
    }
    return Array.from(uniqueTasks.values());
};

const NativeTokenSniffer = {
    init: () => {
        const inject = () => {
            const s = document.createElement('script');
            s.textContent = `(function(){
                const _f = window.fetch;
                window.fetch = async function(...args) {
                    const url = args[0] ? args[0].toString() : '';

                    if (url.includes('area_accessible')) {
                        return new Promise((_, reject) => {
                            reject(new Error("Bypassed area_accessible"));
                        });
                    }

                    const isTurbo = localStorage.getItem('pk_turbo_mode') === 'true';

                    if (isTurbo) {
                        if (location.href.includes('/login') || location.pathname.includes('login')) {
                            return _f.apply(this, args);
                        }

                        if (url.includes(':incremental_sync') || url.includes(':sync')) {
                            return new Response(JSON.stringify({
                                error_code: 0,
                                data: [],
                                files: [],
                                tasks: [],
                                next_page_token: ''
                            }), {status: 200, headers: {'Content-Type': 'application/json'}});
                        }

                        try {
                            const opts = args[1] || {};
                            let cap = null;
                            let auth = null;
                            if (opts.headers) {
                                if (opts.headers instanceof Headers) {
                                    cap = opts.headers.get('x-captcha-token') || opts.headers.get('X-Captcha-Token');
                                    auth = opts.headers.get('authorization') || opts.headers.get('Authorization');
                                }
                                else if (typeof opts.headers === 'object') {
                                    const capKey = Object.keys(opts.headers).find(k => k.toLowerCase() === 'x-captcha-token');
                                    if (capKey) cap = opts.headers[capKey];
                                    const authKey = Object.keys(opts.headers).find(k => k.toLowerCase() === 'authorization');
                                    if (authKey) auth = opts.headers[authKey];
                                }
                            }
                            if (cap && cap.length > 20) localStorage.setItem('pk_captured_captcha', cap);

                            if (auth && auth.length > 20) document.dispatchEvent(new CustomEvent('pk-token-captured', { detail: auth }));
                        } catch (e) {}
                    }

                    return _f.apply(this, args);
                };

                const _W = window.Worker;
                window.Worker = function(url, opts) {
                    const isTurbo = localStorage.getItem('pk_turbo_mode') === 'true';
                    if (!isTurbo) return new _W(url, opts);

                    if (location.href.includes('/login') || location.pathname.includes('login')) {
                        return new _W(url, opts);
                    }

                    const u = url ? url.toString() : '';
                    const blockList = ['query_db', 'sync', 'database', 'index', 'calc_sha1', 'query_docs'];

                    if (blockList.some(k => u.includes(k))) {
                        console.log('🚫 [PikPak Master] OOM-Guard blocked worker:', u);
                        return new _W('data:application/javascript,self.onmessage=()=>{}');
                    }
                    return new _W(url, opts);
                };

            })()`;
            (document.head || document.documentElement).appendChild(s).remove();
        };
        inject();
    }
};

NativeTokenSniffer.init();

window.addEventListener('beforeunload', (e) => {
    const activeStatus = ['UPLOADING', 'HASHING', 'WAITING', 'RUNNING'];
    const tasks = pkState?.uploadTasks || [];
    if (tasks.some(t => activeStatus.includes(t.status))) {
        e.preventDefault();
        return e.returnValue;
    }
});

window.pkAddGhostFile = function(id) {
    try {
        const ghosts = JSON.parse(localStorage.getItem('pk_ghost_files') || '[]');
        if (!ghosts.includes(id)) {
            ghosts.push(id);
            localStorage.setItem('pk_ghost_files', JSON.stringify(ghosts));
        }
    } catch(e){}
};
window.pkRemoveGhostFile = function(id) {
    try {
        const ghosts = JSON.parse(localStorage.getItem('pk_ghost_files') || '[]');
        const updated = ghosts.filter(x => x !== id);
        localStorage.setItem('pk_ghost_files', JSON.stringify(updated));
    } catch(e){}
};
window.pkCleanupGhostFiles = function() {
    try {
        const ghosts = JSON.parse(localStorage.getItem('pk_ghost_files') || '[]');
        if (ghosts.length > 0) {
            console.log(`[GhostCleanup] Found ${ghosts.length} interrupted uploads. Cleaning up...`);
            const BATCH_SIZE = 100;
            for (let i = 0; i < ghosts.length; i += BATCH_SIZE) {
                const chunk = ghosts.slice(i, i + BATCH_SIZE);
                fetch('https://api-drive.mypikpak.com/drive/v1/files:batchDelete', {
                    method: 'POST',
                    headers: getHeaders(),
                    body: JSON.stringify({ ids: chunk })
                }).catch(()=>{});
            }
            localStorage.setItem('pk_ghost_files', '[]');
        }
    } catch(e){}

    try {
        const phases = "PHASE_TYPE_UNKNOW,PHASE_TYPE_PENDING,PHASE_TYPE_RUNNING,PHASE_TYPE_PAUSED,PHASE_TYPE_ERROR";
        const filters = encodeURIComponent(JSON.stringify({ "phase": { "in": phases } }));
        const url = `https://api-drive.mypikpak.com/drive/v1/tasks?type=upload&limit=100&filters=${filters}&_t=${Date.now()}`;
        fetch(url, { headers: getHeaders() })
            .then(res => res.json())
            .then(cloudData => {
                const cloudTasks = cloudData.tasks || [];
                const ghostIds = [];
                cloudTasks.forEach(ct => {
                    if (ct.file_id) {
                        const ref = ct.reference_resource || {};
                        const taskName = ref.name || ct.name || ct.file_name || 'Ghost Task';
                        if (taskName === 'upload' || taskName === 'Ghost Task') {
                            ghostIds.push(ct.file_id);
                        }
                    }
                });
                if (ghostIds.length > 0) {
                    console.log(`[Reconcile] Auto-cleaning orphaned cloud ghost files on startup: ${ghostIds.length} files`);
                    fetch('https://api-drive.mypikpak.com/drive/v1/files:batchDelete', {
                        method: 'POST', headers: getHeaders(), body: JSON.stringify({ ids: ghostIds })
                    }).catch(()=>{});
                }
            }).catch(()=>{});
    } catch (e) {}
};

window.addEventListener('beforeunload', () => {
    const tasks = pkState?.uploadTasks || [];
    const filesToDelete = tasks.filter(t => t.status !== 'DONE' && t.file_id && !t._deleted).map(t => t.file_id);
    if (filesToDelete.length > 0) {
        const BATCH_SIZE = 100;
        for (let i = 0; i < filesToDelete.length; i += BATCH_SIZE) {
            const chunk = filesToDelete.slice(i, i + BATCH_SIZE);
            try {
                fetch('https://api-drive.mypikpak.com/drive/v1/files:batchDelete', {
                    method: 'POST',
                    headers: getHeaders(),
                    body: JSON.stringify({ ids: chunk }),
                    keepalive: true
                }).catch(()=>{});
            } catch(e) {}
        }
        if (typeof window.pkRemoveGhostFile === 'function') {
            filesToDelete.forEach(id => window.pkRemoveGhostFile(id));
        }
    }
});

;
const CONF = {
    rowHeight: 40,
    buffer: 20,
    dupGridHeaderHeight: { normal: 40, max: 60 },
    dupGridSectionGap: { normal: 14, max: 18 },
    dupGridBodyGapY: { normal: 16, max: 20 },
    SYSTEM_FOLDER_NAME: 'My Pack',
    browserDownloadConfirmFileCount: 10,
    browserDownloadConfirmTotalBytes: 10 * 1024 * 1024 * 1024,
    mouseSideNavHistoryMax: 50,
    mouseSideNavDebug: false,
    clipboardMagnetPaste: true,
    clipboardMagnetFocusCooldown: 2500,
    clipboardMagnetDenyCooldown: 60000,
    clipboardMagnetPromptGap: 10 * 60 * 1000,
    clipboardMagnetIgnoreTTL: 10 * 60 * 1000,
    clipboardMagnetMaxChars: 200000,
    magnetPreviewApi: 'https://whatslink.info/api/v1/link',
    magnetPreviewTimeout: 9000,
    magnetPreviewCacheTTL: 60 * 60 * 1000,
    magnetPreviewErrorCacheTTL: 10 * 60 * 1000,
    magnetPreviewCircuitTTL: 5 * 60 * 1000,
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        ext: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="transform: scale(1.1);"><polygon points="6 3 20 12 6 21 6 3" fill="var(--pk-bg)" stroke="currentColor"></polygon></svg>`,
        download: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" x2="12" y1="15" y2="3"/></svg>`,
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        info: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="16" x2="12" y2="12"/><line x1="12" y1="8" x2="12.01" y2="8"/></svg>`,
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        share: `<svg width="16" height="16" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" fill="currentColor"><path d="M288 373.333333c-82.432 0-149.333333 66.922667-149.333333 149.333334a149.333333 149.333333 0 0 0 149.333333 149.333333c82.496 0 149.333333-66.816 149.333333-149.333333 0-82.410667-66.88-149.333333-149.333333-149.333334z m0 64c47.104 0 85.333333 38.250667 85.333333 85.333334 0 47.146667-38.186667 85.333333-85.333333 85.333333a85.333333 85.333333 0 1 1 0-170.666667zM757.333333 672a128.021333 128.021333 0 1 0 128 128c0-70.656-57.344-128-128-128z m0 64a64.021333 64.021333 0 1 1-64 64c0-35.328 28.672-64 64-64zM757.333333 117.333333a128.021333 128.021333 0 1 0 128 128c0-70.656-57.344-128-128-128z m0 64a64.021333 64.021333 0 1 1-64 64c0-35.328 28.672-64 64-64z" ></path><path d="M356.565333 580.864a32 32 0 0 1 43.904-10.965333l266.666667 160a32 32 0 0 1-32.938667 54.869333l-266.666666-160a32 32 0 0 1-10.965334-43.904zM643.050667 264.789333a32 32 0 0 1 36.565333 52.522667l-256 178.282667a32 32 0 0 1-36.565333-52.522667l256-178.282667z" ></path></svg>`,
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        taskStart: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="6" y="4" width="4" height="16"/><rect x="14" y="4" width="4" height="16"/></svg>`,
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    },
    typeIcons: {
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        image: `<svg width="30" height="30" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="20" height="20" rx="6" fill="#48C78E"/><rect x="5.5" y="5.5" width="13" height="13" rx="2" fill="white"/><circle cx="8.5" cy="9" r="1.5" fill="#48C78E"/><path d="M5.5 16.5l3.5-4.5 2.5 2.5 4-7.5 3 9.5h-13z" fill="#48C78E"/></svg>`,
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        subtitle: `<svg width="30" height="30" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="20" height="20" rx="6" fill="#48C78E"/><g transform="translate(4,4) scale(0.015625)"><path d="M512 150.97856V274.0224H364.544C242.40128 274.0224 143.36 384.24576 143.36 520.192c0 135.9872 99.04128 246.1696 221.184 246.1696H512v123.0848H371.54816C177.68448 889.4464 20.48 724.13184 20.48 520.192c0-203.93984 157.20448-369.21344 351.06816-369.21344H512z m491.52 0V274.0224h-147.456c-122.14272 0-221.184 110.22336-221.184 246.1696 0 135.9872 99.04128 246.1696 221.184 246.1696H1003.52v123.0848h-140.45184C669.20448 889.4464 512 724.13184 512 520.192c0-203.93984 157.20448-369.21344 351.06816-369.21344H1003.52z" fill="white"/></g></svg>`,
        executable: `<svg width="30" height="30" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="20" height="20" rx="6" fill="#48C78E"/><g transform="translate(5.85,5.85) scale(0.012)"><path d="M1005.65035 611.129741c-43.944112-14.307385-70.51497-54.163673-70.51497-100.151697s29.636727-84.822355 70.51497-100.151697c12.263473-4.087824 20.439122-18.39521 16.351298-31.680638-12.263473-48.031936-31.680639-91.976048-56.207585-134.898204-6.131737-12.263473-22.483034-16.351297-35.768463-10.219561-14.307385 8.175649-33.724551 12.263473-50.075849 12.263473-58.251497 0-104.239521-48.031936-104.239521-104.239521 0-16.351297 4.087824-35.768463 12.263474-50.075848 6.131737-12.263473 2.043912-26.570858-10.219561-35.768463C737.897855 32.702595 691.909831 14.307385 643.877895 2.043912c-12.263473-4.087824-26.570858 4.087824-31.680639 16.351298-14.307385 43.944112-54.163673 70.51497-100.151696 70.51497s-84.822355-29.636727-100.151697-70.51497C407.806039 6.131737 393.498654-2.043912 380.213224 2.043912c-48.031936 12.263473-91.976048 31.680639-134.898203 56.207585-12.263473 6.131737-16.351297 22.483034-10.219561 35.768463 8.175649 14.307385 12.263473 33.724551 12.263473 50.075848 0 58.251497-48.031936 104.239521-104.239521 104.239521-16.351297 0-35.768463-4.087824-50.075848-12.263473-12.263473-6.131737-26.570858-2.043912-35.768463 10.219561C32.748155 288.191617 13.330989 334.179641 1.067516 381.189621c-4.087824 12.263473 4.087824 26.570858 16.351297 31.680638 43.944112 14.307385 70.51497 54.163673 70.51497 100.151697S58.297057 597.844311 17.418813 613.173653c-12.263473 4.087824-20.439122 18.39521-16.351297 31.680638 12.263473 48.031936 31.680639 91.976048 56.207585 134.898204 6.131737 12.263473 22.483034 16.351297 35.768463 10.219561 14.307385-8.175649 33.724551-12.263473 50.075848-12.263473 58.251497 0 104.239521 48.031936 104.239521 104.239521 0 16.351297-4.087824 35.768463-12.263473 50.075848-6.131737 12.263473-2.043912 26.570858 10.219561 35.768463 41.9002 24.526946 87.888224 43.944112 134.898203 56.207585h6.131737c10.219561 0 20.439122-6.131737 24.526946-18.39521 14.307385-43.944112 54.163673-70.51497 100.151697-70.51497s84.822355 29.636727 100.151696 70.51497c4.087824 12.263473 18.39521 20.439122 31.680639 16.351298 48.031936-12.263473 91.976048-31.680639 134.898204-56.207585 12.263473-6.131737 16.351297-22.483034 10.219561-35.768463-8.175649-14.307385-12.263473-33.724551-12.263474-50.075848 0-58.251497 48.031936-104.239521 104.239521-104.239521 16.351297 0 35.768463 4.087824 50.075849 12.263473 12.263473 6.131737 26.570858 2.043912 35.768463-10.219561 24.526946-41.9002 43.944112-87.888224 56.207585-134.898204 5.10978-12.263473-1.021956-27.592814-16.351298-31.680638z m-490.538922 58.251497c-87.888224 0-158.403194-70.51497-158.403194-158.403194s70.51497-158.403194 158.403194-158.403194S673.514622 423.08982 673.514622 510.978044s-71.536926 158.403194-158.403194 158.403194z" fill="white"/></g></svg>`,
        web: `<svg width="30" height="30" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="20" height="20" rx="6" fill="#6F88FC"/><g transform="translate(4,4) scale(0.015625)"><path d="M631.296 188.416c-40.96 17.664-79.616 40.3968-114.944 67.584-15.872-10.1376-68.352-38.4-132.352-51.2l52.6336-23.296a352.4608 352.4608 0 0 1 85.3504-10.4448c38.1952 0 74.9568 6.144 109.312 17.3056z m227.072 232.448c-3.072 7.168-6.4512 14.1824-9.984 21.1456-10.9056 29.5936-34.6112 64.3072-71.0144 104.192-9.216 10.3936-18.944 20.3776-29.0304 29.952a537.9072 537.9072 0 0 0-186.0096-287.232 485.0176 485.0176 0 0 1 131.9936-66.9184l6.656-2.048a350.6176 350.6176 0 0 1 157.3888 200.96z m-537.6-186.624l12.3392 2.6624-0.0512 1.4336c42.496 11.776 82.3296 26.0608 119.5008 42.8032 7.0144 3.7376 13.9776 7.6288 20.7872 11.6736a537.7024 537.7024 0 0 0-143.2064 229.9392c-15.3088 44.032-22.8352 84.0704-22.6816 120.064-1.28 18.0736-1.6896 36.1472-1.1776 54.272a483.328 483.328 0 0 1-106.496-37.5296 348.8256 348.8256 0 0 1 114.944-421.0176l6.0416-4.3008z m381.0304 380.7232a484.864 484.864 0 0 1-287.744 94.0544c-18.0736 0-35.84-0.9728-53.4016-2.8672a490.6496 490.6496 0 0 1 0.2048-52.48c6.912-51.7632 14.592-92.3648 23.04-121.7024a483.328 483.328 0 0 1 121.1392-194.816l9.216-8.8576 5.0176-4.608a483.7888 483.7888 0 0 1 182.528 291.2768z m58.88 162.1504c5.8368-46.336 5.6832-93.184-0.4608-139.4688C783.4624 618.2912 844.8 550.4 870.4 512c0 17.0496-0.512 34.3552-1.536 51.8656-11.264 101.7344-47.3088 157.0304-108.2368 213.248z m-515.1744-41.0112c21.1968 6.912 42.9056 12.544 65.1776 16.896 2.4576 18.3808 5.7856 36.4544 10.0352 54.272a353.3312 353.3312 0 0 1-72.5504-67.84l-2.6624-3.328z m464.2816-61.1328a483.7888 483.7888 0 0 1-12.5952 148.7872 350.464 350.464 0 0 1-175.2064 46.6432 350.976 350.976 0 0 1-134.144-26.4704 478.3104 478.3104 0 0 1-21.4528-83.2c15.7184 1.3824 31.5904 2.048 47.616 2.048a539.136 539.136 0 0 0 284.416-80.5376l11.3664-7.2704z" fill="white"/></g></svg>`,
        apk: `<svg width="30" height="30" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="20" height="20" rx="6" fill="#48C78E"/><g transform="translate(4,4) scale(0.015625)"><path d="M512 161.87392a292.57728 292.57728 0 0 1 292.57728 292.57728v19.49696H219.42272v-19.49696A292.57728 292.57728 0 0 1 512 161.87392zM219.42272 493.48608h585.15456V942.08H219.42272z" fill="white"/><path d="M394.97728 317.93152h58.49088V376.4224H394.97728zM590.0288 317.93152h58.49088V376.4224h-58.49088z" fill="#48C78E"/><path d="M724.86912 141.7216l41.3696 41.3696-96.54272 96.50176-41.3696-41.3696zM299.13088 141.7216l-41.3696 41.3696L354.304 279.552l41.3696-41.3696zM102.4 512.98304h78.0288v273.03936H102.4zM843.5712 512.98304H921.6v273.03936h-78.0288z" fill="white"/></g></svg>`,
        file: `<svg width="30" height="30" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="20" height="20" rx="6" fill="#B2B2B2"/><g transform="translate(4,4) scale(0.015625)"><path d="M939.303655 84.62284a289.780202 289.780202 0 0 1 0 409.290765l-446.080124 446.080124a289.487642 289.487642 0 0 1-408.486226-0.731399 289.487642 289.487642 0 0 1-0.731399-408.486226l236.24181-236.24181a178.315026 178.315026 0 0 1 251.820605 0c69.482885 69.482885 69.482885 182.118299 0 251.966884l-223.076632 223.003492a48.27232 48.27232 0 1 1-68.312647-68.239507L503.828814 478.334811a81.843525 81.843525 0 0 0 0-115.48787 81.916665 81.916665 0 0 0-115.41473 0L152.172274 598.869332a193.308701 193.308701 0 0 0 0 272.884889 193.235561 193.235561 0 0 0 272.88489 0l446.080123-446.080123a193.016141 193.016141 0 0 0-272.884889-272.81175l-13.165179 13.165178a48.27232 48.27232 0 1 1-68.166367-68.312647l13.092038-13.165179a289.926482 289.926482 0 0 1 397.368965-11.263541l11.9218 11.263541z" fill="white"/></g></svg>`
    }
};
;
const CSS = `
    :root { --pk-zoom: 1; --pk-bg: #ffffff; --pk-bg-rgb: 255, 255, 255; --pk-fg: #1a1a1a; --pk-bd: #e5e5e5; --pk-hl: #f0f0f0; --pk-sel-bg: #e6f3ff; --pk-sel-bd: #cce8ff; --pk-pri: #0067c0; --pk-btn-hov: #e0e0e0; --pk-gh: #f5f5f5; --pk-gh-fg: #333; --pk-sb-bg: transparent; --pk-sb-th: #ccc; --pk-sb-hov: #aaa; --pk-icon-c: #888; --pk-tip-bg: rgba(255, 255, 255, 0.95); --pk-tip-fg: #1a1a1a; --pk-tip-bd: rgba(0, 0, 0, 0.06); --pk-tip-sd: rgba(0, 0, 0, 0.12); --pk-toast-bg: rgba(255, 255, 255, 0.95); --pk-toast-fg: #1a1a1a; --pk-toast-bd: rgba(0, 0, 0, 0.08); --pk-match-bg: #fff2cc; --pk-match-fg: #d93025; --pk-v-line: #d1d1d1; }
    .pk-no-transition, .pk-no-transition * { transition: none !important; }
    .pk-magnet-preview-wrap { width:420px; max-width:86vw; display:flex; flex-direction:column; color:var(--pk-fg); overflow:hidden; }
    .pk-magnet-hero { width:100%; height:210px; background:var(--pk-hl); display:flex; align-items:center; justify-content:center; overflow:hidden; border-radius:14px 14px 0 0; }
    .pk-magnet-hero img { width:100%; height:100%; object-fit:cover; display:block; }
    .pk-magnet-empty { width:100%; height:100%; display:flex; align-items:center; justify-content:center; font-size:14px; opacity:0.62; }
    .pk-magnet-body { padding:18px 20px 20px 20px; display:flex; flex-direction:column; gap:12px; }
    .pk-magnet-title { font-size:16px; font-weight:800; line-height:1.45; overflow:hidden; word-break:break-all; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; text-overflow:ellipsis; }
    .pk-magnet-desc { font-size:12px; line-height:1.5; opacity:0.68; }
    .pk-magnet-meta { display:grid; grid-template-columns:1fr 1fr 1fr; gap:8px; }
    .pk-magnet-meta-item { border:1px solid var(--pk-bd); border-radius:10px; padding:8px 9px; background:var(--pk-bg); min-width:0; }
    .pk-magnet-meta-label { font-size:11px; opacity:0.58; margin-bottom:4px; }
    .pk-magnet-meta-value { font-size:13px; font-weight:700; overflow:hidden; white-space:nowrap; text-overflow:ellipsis; }
    .pk-magnet-hash { font-size:11px; line-height:1.45; opacity:0.62; word-break:break-all; background:var(--pk-hl); border-radius:8px; padding:8px 10px; }
    .pk-magnet-save-row { display:flex; align-items:center; gap:5px; min-width:0; height:26px; margin-top:-2px; font-size:12px; color:var(--pk-fg); }
    .pk-magnet-save-label { opacity:.72; flex-shrink:0; }
    .pk-magnet-save-icon { width:16px; height:16px; display:flex; align-items:center; justify-content:center; flex-shrink:0; overflow:hidden; }
    .pk-magnet-save-icon svg { width:16px !important; height:16px !important; display:block; }
    .pk-magnet-save-name { font-weight:700; max-width:150px; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
    .pk-magnet-save-help { color:#aaa; display:flex; align-items:center; flex-shrink:0; }
    .pk-magnet-save-change { color:var(--pk-pri); cursor:pointer; font-size:12px; font-weight:700; flex-shrink:0; }
    .pk-magnet-save-change:hover { text-decoration:underline; }
    .pk-magnet-source { font-size:11px; line-height:1.35; opacity:.58; display:flex; align-items:center; gap:4px; }
    .pk-magnet-source a { color:var(--pk-pri); text-decoration:none; font-weight:700; }
    .pk-magnet-source a:hover { text-decoration:underline; }
    .pk-magnet-warn { font-size:12px; line-height:1.45; color:#d93025; background:rgba(217,48,37,0.08); border:1px solid rgba(217,48,37,0.16); border-radius:8px; padding:8px 10px; }
    .pk-magnet-shots { display:flex; gap:7px; overflow-x:auto; padding-bottom:2px; }
    .pk-magnet-thumb-wrap { width:68px; height:42px; border-radius:7px; overflow:hidden; flex:0 0 auto; position:relative; border:1px solid var(--pk-bd); cursor:pointer; user-select:none; transition:border-color .16s ease, box-shadow .16s ease; }
    .pk-magnet-thumb-wrap:hover { }
    .pk-magnet-thumb-wrap.active { border-color:var(--pk-pri); box-shadow:0 0 0 2px rgba(0,103,192,18); }
    .pk-magnet-thumb-wrap .pk-magnet-thumb { width:100%; height:100%; border:none; border-radius:0; display:block; object-fit:cover; }
    .pk-magnet-shot-time { position:absolute; right:3px; bottom:3px; padding:1px 4px; border-radius:4px; background:rgba(0,0,0,.62); color:#fff; font-size:10px; line-height:1.25; pointer-events:none; }
    .pk-magnet-thumb { width:68px; height:42px; border-radius:7px; object-fit:cover; flex:0 0 auto; border:1px solid var(--pk-bd); cursor:pointer; user-select:none; -webkit-user-drag:none; transition:border-color .16s ease, box-shadow .16s ease; }
    .pk-magnet-thumb:hover { }
    .pk-magnet-thumb.active { border-color:var(--pk-pri); box-shadow:0 0 0 2px rgba(0,103,192,18); }
    .pk-magnet-hero img { user-select:none; -webkit-user-drag:none; }
    .pk-magnet-actions { display:flex; justify-content:flex-end; gap:10px; margin-top:2px; }
    .pk-dark { --pk-bg: #202020; --pk-bg-rgb: 32, 32, 32; --pk-fg: #f5f5f5; --pk-bd: #333333;
    --pk-hl: #2d2d2d; --pk-sel-bg: #2b3a4a; --pk-sel-bd: #0067c0; --pk-pri: #4cc2ff; --pk-btn-hov: #3a3a3a; --pk-gh: #2a2a2a; --pk-gh-fg: #eee; --pk-sb-th: #555; --pk-sb-hov: #777; --pk-icon-c: #aaa; --pk-tip-bg: rgba(20, 20, 20, 0.95); --pk-tip-fg: #ffffff; --pk-tip-bd: rgba(255, 255, 255, 0.1); --pk-tip-sd: rgba(0, 0, 0, 0.4); --pk-toast-bg: rgba(45, 45, 45, 0.95); --pk-toast-fg: #ffffff; --pk-toast-bd: rgba(255, 255, 255, 0.15); --pk-v-line: rgba(255, 255, 255, 0.25); }
    .pk-dark .pk-loading-ov { background: rgba(0,0,0,0.8); }
    .pk-ov { position: fixed; top: 0; left: 0; width: calc(100vw / var(--pk-zoom, 1)); height: calc(100vh / var(--pk-zoom, 1)); zoom: var(--pk-zoom, 1); transform-origin: top left; z-index: 10000; background: rgba(0,0,0,0.4); backdrop-filter: blur(5px); display: flex; align-items: center; justify-content: center; font-family: inherit; outline: none; overscroll-behavior: none; -webkit-user-select: none; user-select: none; }
    .pk-ov input, .pk-ov textarea { -webkit-user-select: text !important; user-select: text !important; cursor: text; }
    .pk-win { width: 90%; max-width: calc(1600px / var(--pk-zoom, 1)); min-width: 720px; min-height: 340px; height: 80%; background: var(--pk-bg); color: var(--pk-fg); border-radius: 8px; box-shadow: 0 25px 50px rgba(0,0,0,0.25); display: flex; flex-direction: row; overflow: hidden; border: 1px solid var(--pk-bd); position: relative; }
    .pk-sidebar { width: 68px; background: var(--pk-bg); border-right: 1px solid var(--pk-bd); display: flex; flex-direction: column; align-items: center; padding: 16px 0; flex-shrink: 0; z-index: 10; gap: 0; }
    .pk-nav-btn { width: 44px !important; height: 44px !important; border-radius: 10px; color: var(--pk-icon-c); padding: 0 !important; border: none; display: flex; align-items: center; justify-content: center; cursor: pointer; margin-bottom: 0; transition: background-color 0.1s ease, color 0.1s ease; position: relative !important; }
    .pk-nav-btn:hover { background: var(--pk-hl); color: var(--pk-fg); }
    .pk-nav-btn.act { background: var(--pk-sel-bg); color: var(--pk-pri); }
    #pk-btn-cloud { background: var(--pk-pri) !important; color: #fff !important; border-radius: 50% !important; margin-bottom: 12px !important; padding: 0 !important; overflow: visible !important; display: flex !important; align-items: center !important; justify-content: center !important; }
    #pk-btn-cloud:hover { filter: brightness(1.1); }
    #pk-btn-cloud svg { width: 24px !important; height: 24px !important; transform: scale(1.3); transform-origin: center center; margin: 0 !important; transition: transform 0.2s; }
    .pk-nav-btn svg { width: 24px !important; height: 24px !important; }
    .pk-maximized #pk-btn-cloud { background: var(--pk-pri) !important; border-radius: 8px !important; width: calc(100% - 20px) !important; height: 48px !important; padding: 0 15px !important; margin-bottom: 20px !important; }
    .pk-maximized #pk-btn-cloud svg { width: 24px !important; height: 24px !important; transform: scale(1.4); margin-right: 6px; }
    .pk-maximized #pk-btn-cloud:hover { filter: brightness(1.1); }
    .pk-sidebar #pk-settings { margin-top: auto; }
    .pk-btn-danger { background: #d93025 !important; color: #fff !important; border: none !important; }
    .pk-btn-danger:hover, #pk-empty-trash:hover { background: #d93025 !important; color: #fff !important; filter: brightness(1.15); opacity: 1 !important; }
    .pk-sidebar #pk-settings:hover { background: var(--pk-hl); color: var(--pk-fg); }
    .pk-sidebar #pk-settings svg { width: 26px !important; height: 26px !important; }
    .pk-main-col { flex: 1; display: flex; flex-direction: column; overflow: hidden; position: relative; min-width: 0; }
    .pk-hd { height: 48px; border-bottom: 1px solid var(--pk-bd); display: flex; align-items: center; justify-content: space-between; padding: 0 16px; background: var(--pk-bg); }
    .pk-tt { font-weight: 700; font-size: 20px; display: flex; align-items: center; gap: 10px; }
    .pk-tt svg { color: #333; margin-right: 10px; transition: color 0.2s ease; }
    .pk-ov.pk-dark .pk-tt svg { color: #fff; }
    .pk-tb { height: 50px !important; padding: 0 8px !important; border-bottom: 1px solid var(--pk-bd); display: flex; gap: clamp(4px, 0.6vw, 8px) !important; align-items: center !important; background: var(--pk-bg); overflow: visible !important; flex-wrap: nowrap !important; position: relative; }
    #pk-top-bar { z-index: 30; }
    #pk-actionbar, #pk-trash-bar { z-index: 20; }
    .pk-btn { height: 32px; padding: 0 12px; border-radius: 4px; border: 1px solid transparent; background: transparent; color: var(--pk-fg); cursor: pointer; font-size: 13px; display: flex; align-items: center; justify-content: center; gap: 6px; transition: background-color 0.1s; position: relative; font-weight: 500; white-space: nowrap; flex-shrink: 0; backface-visibility: hidden; }
    #pk-theme svg { transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1); }
    #pk-theme:active svg { transform: rotate(90deg) scale(0.8); }
    .pk-btn:hover:not(:disabled) { background: var(--pk-btn-hov) !important; }
    .pk-btn.pri:hover:not(:disabled) { background: var(--pk-pri) !important; filter: brightness(1.15); color: #fff !important; }
    .pk-btn:disabled { opacity: 0.4; cursor: not-allowed; }
    .pk-btn.pri { color: var(--pk-pri); font-weight: 600; }
    .pk-btn svg { width: 18px; height: 18px; flex-shrink: 0; display: inline-block; vertical-align: -4px; }
    .pk-btn span { white-space: nowrap; pointer-events: none; }
    @media (max-width: 1360px) { .pk-maximized .pk-btn:not(#pk-btn-folder-first):not(#pk-grid-folder-first):not(#pk-btn-invert):not(#pk-grid-invert):not(#pk-filter-btn):not(#pk-btn-exit):not(#pk-scan-dup):not(#pk-analyze):not(#pk-export):not(#pk-migrate):not(#pk-ext):not(#pk-img-search):not(#pk-aria2):not(#pk-down) span { display: none !important; } .pk-maximized .pk-btn { padding: 0 8px !important; } }
    @media (max-width: 1360px) { .pk-btn:not(#pk-btn-folder-first):not(#pk-grid-folder-first):not(#pk-btn-invert):not(#pk-grid-invert):not(#pk-filter-btn):not(#pk-btn-exit):not(#pk-scan-dup):not(#pk-analyze):not(#pk-export):not(#pk-migrate):not(#pk-ext):not(#pk-img-search):not(#pk-aria2):not(#pk-down):not(#btn_cfg_clean):not(#btn_cfg_export):not(#btn_cfg_import) span { display: none !important; } .pk-btn { padding: 0 8px !important; } }
    @media (max-width: 1150px) { #pk-btn-folder-first span, #pk-btn-invert span, #pk-filter-btn span, #pk-btn-exit span, #pk-scan-dup span, #pk-analyze span, #pk-export span { display: none !important; } }
    @media (max-width: 1000px) { #pk-migrate span, #pk-ext span, #pk-img-search span, #pk-aria2 span, #pk-down span { display: none !important; } }
    .pk-blacklist-area { display: flex; align-items: center; gap: 8px; margin-left: auto; max-width: 300px; min-width: 150px; flex-shrink: 1; }
    .pk-blacklist-area input { height: 32px; padding: 0 8px; border: 1px solid var(--pk-bd); border-radius: 4px; background: var(--pk-bg); color: var(--pk-fg); font-size: 13px; width: 100%; transition: border-color 0.2s; }
    .pk-blacklist-area input:focus { border-color: var(--pk-pri); outline: none; }
    .pk-global-chk { display: flex; align-items: center; cursor: pointer; margin-right: 8px; font-size: 13px; color: var(--pk-fg); user-select: none; white-space: nowrap; }
    .pk-global-chk input { margin: 0 4px 0 0; width: 16px; height: 16px; accent-color: var(--pk-pri); }
    .pk-search { position: relative; display: flex !important; align-items: center !important; margin: 0 !important; flex: 1 1 auto; min-width: 100px; max-width: 300px; transition: all 0.2s; z-index: 100; }
    .pk-search input { height: 32px; padding: 0 56px 0 10px; border: 1px solid var(--pk-bd); border-radius: 4px; background: var(--pk-bg); color: var(--pk-fg); font-size: 13px; width: 100% !important; margin: 0 !important; transition: border-color 0.2s; box-sizing: border-box; }
    .pk-search input:focus { border-color: var(--pk-pri); outline: none; }
    #pk-search-btn { position: absolute; right: 10px; left: auto; width: 14px; height: 14px; color: #888; cursor: pointer; transition: color 0.2s; }
    .pk-search input:focus + svg { color: var(--pk-pri); }
    .pk-f-ext { cursor: pointer; color: var(--pk-fg); padding: 4px 8px; border-radius: 4px; transition: background 0.2s, color 0.2s; font-weight: 500; font-size: 13px; }
    .pk-f-ext:hover { background: var(--pk-hl); }
    .pk-f-ext.act { color: var(--pk-pri); font-weight: bold; }
    .pk-fc-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 12px; border-radius: 6px; cursor: pointer; font-size: 14px; font-weight: 500; background: var(--pk-hl); color: var(--pk-fg); transition: all 0.2s; border: 1px solid transparent; white-space: nowrap; }
    .pk-fc-btn:hover { background: rgba(0, 103, 192, 0.05); color: var(--pk-pri); border-color: var(--pk-pri); }
    .pk-fc-btn.act { background: var(--pk-pri); color: #fff; border: none; font-weight: bold; }
    .pk-fc-btn.act:hover { background: var(--pk-pri); color: #fff; }
    .pk-search-clear { position: absolute; right: 32px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; display: none; align-items: center; justify-content: center; cursor: pointer; color: #999; border-radius: 50%; transition: background 0.2s; }
    .pk-search-clear:hover { background: var(--pk-hl); color: #666; }
    .pk-search-clear svg { position: static !important; width: 14px !important; height: 14px !important; color: inherit !important; }
    .pk-hist-pop { position: absolute; top: 100%; left: 0; right: 0; background: var(--pk-bg); border: 1px solid var(--pk-bd); border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); z-index: 10010 !important; display: none; flex-direction: column; overflow: hidden; padding: 4px; margin-top: 4px; }
    .pk-hist-hd { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; font-size: 11px; color: var(--pk-pri); font-weight: bold; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--pk-bd); margin-bottom: 4px; }
    .pk-hist-clear-btn { cursor: pointer; }
    .pk-hist-clear-btn:hover { color: var(--pk-pri); }
    .pk-hist-item { padding: 8px 12px; font-size: 13px; cursor: pointer; color: var(--pk-fg); display: flex; align-items: center; gap: 8px; border-bottom: 1px solid transparent; }
    .pk-hist-item:hover { background: var(--pk-sel-bg); }
    .pk-hist-item svg { position: static !important; width: 14px !important; height: 14px !important; color: #999; margin: 0 !important; }
    .pk-dup-toolbar { display: none; align-items: center; gap: 4px; padding: 0 8px; height: 100%; margin-left: 8px; background: transparent; border: none; flex-shrink: 0; }
    .pk-dup-lbl, .pk-dup-chk { white-space: nowrap !important; font-weight: 500; color: var(--pk-fg); font-size: 13px; margin-right: 6px; opacity: 0.8; flex-shrink: 0; cursor: pointer; display: flex; align-items: center; }
    .pk-dup-chk input { margin: 0 4px 0 0; vertical-align: middle; accent-color: var(--pk-pri); width: 16px; height: 16px; }
    .pk-txt-short { display: none; }
    .pk-txt-long { display: inline; }
    #pk-search-path-con .pk-txt-short { font-weight: 500; color: var(--pk-fg); }
    #pk-dup-folder-sel-wrap { position: relative; display: inline-flex; align-items: center; width: 220px; min-width: 0; flex-shrink: 0; }
    #pk-dup-folder-sel { position: absolute !important; inset: 0 !important; width: 0 !important; height: 0 !important; opacity: 0 !important; pointer-events: none !important; }
    #pk-dup-folder-btn { width: 100%; height: 30px; border: 1px solid var(--pk-bd); border-radius: 4px; background: var(--pk-bg); color: var(--pk-fg); padding: 0 28px 0 10px; font-size: 12px; text-align: left; cursor: pointer; position: relative; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    #pk-dup-folder-btn:hover { background: var(--pk-btn-hov); border-color: var(--pk-pri); }
    #pk-dup-folder-btn::after { content: ""; position: absolute; right: 10px; top: 50%; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-65%) rotate(45deg); opacity: 0.7; pointer-events: none; }
    .pk-dup-folder-pop { position:fixed; min-width:220px; max-width:520px; max-height:320px; background:#ffffff; color:#1f1f1f; border:1px solid rgba(0,0,0,0.12); border-radius:8px; box-shadow:0 8px 24px rgba(0,0,0,0.18); z-index:2147483647; overflow:hidden; zoom:var(--pk-zoom,1); display:flex; flex-direction:column; }
    .pk-dup-folder-pop.pk-dark { background:rgba(28,28,28,0.98); color:#f5f5f5; border-color:rgba(255,255,255,0.12); box-shadow:0 10px 28px rgba(0,0,0,0.45); }
    .pk-dup-folder-head { flex:0 0 auto; padding:4px; border-bottom:1px solid rgba(0,0,0,0.08); background:#ffffff; }
    .pk-dup-folder-pop.pk-dark .pk-dup-folder-head { background:rgba(28,28,28,0.98); border-bottom:1px solid rgba(255,255,255,0.10); }
    .pk-dup-folder-list { flex:1 1 auto; min-height:0; max-height:272px; overflow-y:auto; overflow-x:hidden; padding:4px; }
    .pk-dup-folder-item { width:100%; min-height:30px; border:0; background:transparent; color:inherit; border-radius:6px; padding:0 10px; font-size:12px; text-align:left; cursor:pointer; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
    .pk-dup-folder-item:hover { background:rgba(0,0,0,0.06); }
    .pk-dup-folder-pop.pk-dark .pk-dup-folder-item:hover { background:rgba(255,255,255,0.08); }
    .pk-dup-folder-item.act { background:rgba(26,115,232,0.12); color:#1a73e8; font-weight:600; }
    .pk-dup-folder-pop.pk-dark .pk-dup-folder-item.act { background:rgba(138,180,248,0.18); color:#8ab4f8; }
    .pk-dup-folder-item.pk-reset { position:relative; top:auto; z-index:auto; color:#1a73e8; font-weight:700; background:transparent; border-bottom:0; border-radius:6px; }
    .pk-dup-folder-item.pk-reset:hover { background:#f7f9fc; }
    .pk-dup-folder-pop.pk-dark .pk-dup-folder-item.pk-reset { color:#8ab4f8; background:transparent; border-bottom:0; }
    .pk-dup-folder-pop.pk-dark .pk-dup-folder-item.pk-reset:hover { background:rgba(255,255,255,0.06); }
    @media (max-width: 1150px) { .pk-txt-long { display: none !important; } .pk-txt-short { display: inline !important; } #pk-btn-exit, #pk-scan-dup { padding: 0 8px !important; } #pk-dup-folder-sel-wrap { max-width: 100px !important; } }
    .pk-btn-toggle { border: 1px solid var(--pk-bd); background: var(--pk-bg); color: var(--pk-fg); height: 30px; border-radius: 4px; padding: 0 10px; font-size: 12px; cursor: pointer; display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; flex-shrink: 0; }
    .pk-btn-toggle:hover { background: var(--pk-btn-hov); border-color: var(--pk-pri); }
    .pk-btn-toggle span { font-weight: 700; color: var(--pk-pri); }
    #pk-dup-exit { flex-shrink: 0; }
    .pk-nav { display: flex !important; align-items: center !important; gap: 4px; overflow: hidden; white-space: nowrap; font-size: 13px; color: #666; margin: 0 8px; height: 100%; max-width: 60%; }
    .pk-nav span { cursor: pointer; padding: 2px 6px; border-radius: 4px; }
    .pk-nav span:hover { background: var(--pk-hl); color: var(--pk-fg); }
    .pk-nav span.act { font-weight: 600; color: var(--pk-fg); cursor: pointer; }
    .pk-grid-hd, .pk-row { display: grid; column-gap: 10px; align-items: center; font-size: 14px; color: var(--pk-fg); box-sizing: border-box; width: 100%; }
    .pk-grid-hd > div, .pk-row > div { display: flex; align-items: center; justify-content: flex-start !important; overflow: hidden; white-space: nowrap; text-align: left; }
    .pk-grid-hd > div:first-child, .pk-row > div:first-child { justify-content: center !important; overflow: visible !important; }
    .pk-grid-hd { height: 36px; border-bottom: 1px solid var(--pk-bd); font-size: 13px; color: #666; user-select: none; padding: 0 22px 0 16px; }
    .pk-row { padding: 0 16px; }
    .pk-col { cursor: pointer; font-weight: 600; display: flex; align-items: center; justify-content: flex-start; }
    .pk-col:hover { color: var(--pk-fg); }
    .pk-view-switch { display: inline-flex; align-items: center; gap: 4px; margin-left: 12px; padding: 3px; border: 1px solid var(--pk-bd); border-radius: 999px; background: var(--pk-bg); flex-shrink: 0; }
    .pk-view-switch[style*="display: none"] { margin-left: 0; }
    .pk-view-btn { width: 34px; height: 28px; border: none; border-radius: 999px; background: transparent; color: #777; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: background 0.2s,color 0.2s,transform 0.2s; padding: 0; }
    .pk-view-btn:hover { color: var(--pk-fg); background: var(--pk-hl); }
    .pk-view-btn.active { background: var(--pk-pri); color: #fff; box-shadow: 0 3px 10px rgba(0,103,192,0.22); }
    .pk-grid-hd.pk-grid-view-hd { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 18px 0 16px; overflow: visible; position: relative; z-index: 30; }
    .pk-grid-hd.pk-grid-view-hd > div { overflow: visible; min-width: 0; }
    .pk-grid-hd.pk-grid-view-hd > div:first-child { width: auto; flex: 0 1 auto; }
    .pk-grid-check-tools { display:flex; align-items:center; gap:10px; min-width:0; flex:0 1 auto; overflow:visible !important; padding-left:9px; box-sizing:border-box; }
    .pk-grid-check-tools > input[type="checkbox"] { flex:0 0 auto; margin:0; }
    .pk-grid-check-tools > #pk-grid-folder-first { flex:0 0 auto; }
    .pk-grid-check-tools { display:flex; align-items:center; gap:8px; min-width:0; overflow:visible !important; padding-left:9px; box-sizing:border-box; }
    .pk-grid-sort-wrap { position: relative; display: inline-flex; align-items: center; flex: 0 0 auto; flex-shrink: 0; overflow: visible !important; z-index: 2; }
    .pk-grid-sort-trigger { height: 30px; border: 1px solid var(--pk-bd); border-radius: 999px; background: var(--pk-bg); color: var(--pk-fg); padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; font-size: 12px; font-weight: 600; transition: border-color 0.2s,background 0.2s,color 0.2s; max-width: 100%; }
    .pk-grid-sort-trigger:hover, .pk-grid-sort-wrap.open .pk-grid-sort-trigger { border-color: var(--pk-pri); color: var(--pk-pri); background: var(--pk-hl); }
    .pk-grid-sort-trigger svg { flex-shrink: 0; }
    .pk-grid-sort-trigger span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
    .pk-grid-sort-menu { position: absolute; top: calc(100% + 8px); right: 0; min-width: 156px; background: var(--pk-bg); border: 1px solid var(--pk-bd); border-radius: 12px; box-shadow: 0 12px 36px rgba(0,0,0,0.16); padding: 6px; display: none; z-index: 10020; }
    .pk-grid-sort-wrap.open .pk-grid-sort-menu { display: block; }
    .pk-grid-sort-opt { border-radius: 10px; padding: 9px 12px; display: flex; align-items: center; gap: 10px; color: var(--pk-fg); cursor: pointer; transition: background 0.15s,color 0.15s; font-size: 13px; font-weight: 500; white-space: nowrap; }
    .pk-grid-sort-opt:hover, .pk-grid-sort-opt.active { background: var(--pk-hl); color: var(--pk-pri); }
    .pk-grid-view .pk-vp { padding: 14px 0 18px; }
    .pk-grid-view .pk-in { left: 0; right: 0; }
    .pk-view-switching .pk-row, .pk-view-switching .pk-row::before, .pk-view-switching .pk-row::after, .pk-view-switching .pk-row *, .pk-grid-resizing .pk-row, .pk-grid-resizing .pk-row::before, .pk-grid-resizing .pk-row::after, .pk-grid-resizing .pk-row *, .pk-grid-scrolling .pk-row, .pk-grid-scrolling .pk-row::before, .pk-grid-scrolling .pk-row::after, .pk-grid-scrolling .pk-row * { transition: none !important; animation: none !important; }
    .pk-view-switching.pk-grid-view .pk-row, .pk-view-switching.pk-grid-view .pk-row:hover, .pk-view-switching.pk-grid-view .pk-row.sel, .pk-view-switching.pk-grid-view .pk-row.sel.pk-focused, .pk-dark .pk-view-switching.pk-grid-view .pk-row, .pk-dark .pk-view-switching.pk-grid-view .pk-row:hover, .pk-dark .pk-view-switching.pk-grid-view .pk-row.sel, .pk-dark .pk-view-switching.pk-grid-view .pk-row.sel.pk-focused, .pk-grid-resizing.pk-grid-view .pk-row, .pk-grid-resizing.pk-grid-view .pk-row:hover, .pk-grid-resizing.pk-grid-view .pk-row.sel, .pk-grid-resizing.pk-grid-view .pk-row.sel.pk-focused, .pk-dark .pk-grid-resizing.pk-grid-view .pk-row, .pk-dark .pk-grid-resizing.pk-grid-view .pk-row:hover, .pk-dark .pk-grid-resizing.pk-grid-view .pk-row.sel, .pk-dark .pk-grid-resizing.pk-grid-view .pk-row.sel.pk-focused { border-color: transparent !important; box-shadow: none !important; outline: none !important; }
    .pk-grid-view .pk-row { box-sizing: border-box; border-radius: 16px; border: 1px solid transparent; background: #e3e9f2; box-shadow: none; overflow: hidden; transition: background 0.2s, border-color 0.2s, box-shadow 0.2s; }
    .pk-grid-view .pk-row:hover { background: #d9e1ec; transform: none; box-shadow: none; }
    .pk-grid-view .pk-row.sel { background: #d4deeb; border-color: rgba(0,103,192,0.15); box-shadow: 0 0 0 1px rgba(0,103,192,0.15); }
    .pk-grid-view .pk-row.sel.pk-focused { border-color: var(--pk-pri); box-shadow: 0 0 0 1px var(--pk-pri); }
    .pk-grid-scrolling.pk-grid-view .pk-row.pk-focused:not(.sel), .pk-dark .pk-grid-scrolling.pk-grid-view .pk-row.pk-focused:not(.sel) { background: var(--pk-sel-bg) !important; border-color: var(--pk-pri) !important; box-shadow: none !important; outline: none !important; }
    .pk-grid-card-body { position: relative; display: flex; flex-direction: column; width: 100%; height: 100%; box-sizing: border-box; padding: 10px; gap: 10px; }
    .pk-gv-check { position: absolute; top: 12px; left: 12px; width: 24px; height: 24px; background: #fff; border-radius: 6px; z-index: 4; display: flex; align-items: center; justify-content: center; cursor: pointer; box-sizing: border-box; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-2px); transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease; }
    .pk-gv-check::before { content: ''; position: absolute; left: 50%; top: 50%; width: 18px; height: 18px; margin-left: -9px; margin-top: -9px; border-radius: 50%; border: 1.5px solid #c7cdd6; background: transparent; box-sizing: border-box; transition: all 0.15s; }
    .pk-gv-check::after { content: ''; position: absolute; left: 50%; top: 50%; width: 4px; height: 8px; margin-left: -2px; margin-top: -5px; border: solid #fff; border-width: 0 1.5px 1.5px 0; opacity: 0; transform: rotate(45deg) scale(0.8); transform-origin: center; transition: opacity 0.15s, transform 0.15s; box-sizing: border-box; }
    .pk-grid-view .pk-row:hover .pk-gv-check, .pk-grid-view .pk-row.sel .pk-gv-check, .pk-grid-view .pk-row:focus-within .pk-gv-check { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
    .pk-grid-view .pk-row:hover .pk-gv-check::before { border-color: #818c9b; }
    .pk-grid-view .pk-row.sel .pk-gv-check::before { background: var(--pk-pri); border-color: var(--pk-pri); }
    .pk-grid-view .pk-row.sel .pk-gv-check::after { opacity: 1; transform: rotate(45deg) scale(1); }
    .pk-grid-view .pk-row input[type="checkbox"] { position: absolute; inset: 0; width: 100% !important; height: 100% !important; margin: 0 !important; opacity: 0; cursor: pointer; z-index: 2; }
    .pk-gv-more { position: absolute; top: 12px; right: 12px; width: 24px; height: 24px; border: none; border-radius: 6px; background: #fff; color: #8a94a4; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; z-index: 5; padding: 0; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-2px); transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease, color 0.2s; }
    .pk-grid-view .pk-row:hover .pk-gv-more, .pk-grid-view .pk-row:focus-within .pk-gv-more, .pk-grid-view .pk-row.sel.pk-focused .pk-gv-more, .pk-grid-view .pk-row.pk-sel-single .pk-gv-more { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
    .pk-gv-more:hover { color: var(--pk-pri); }
    .pk-gv-more svg { width: 16px; height: 16px; flex-shrink: 0; }
    .pk-gv-cover { position: relative; height: calc(100% - 56px); min-height: 140px; background: transparent; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 12px; }
    .pk-gv-cover:not(.pk-gv-file) { align-items: flex-end; padding-bottom: 8px; box-sizing: border-box; }
    .pk-gv-cover.pk-gv-file { width: auto; max-width: 100%; aspect-ratio: 1 / 1; align-self: center; border-radius: 18px; flex: 0 0 auto; isolation: isolate; transform: translateZ(0); backface-visibility: hidden; -webkit-backface-visibility: hidden; will-change: transform; }
    .pk-gv-cover.pk-gv-file .pk-gv-media-mount { width: 100%; height: 100%; display: block; position: relative; isolation: isolate; transform: translateZ(0); backface-visibility: hidden; -webkit-backface-visibility: hidden; will-change: transform; }
    .pk-gv-cover.pk-gv-file .pk-gv-media-mount > div { width: 100%; height: 100%; position: relative; transform: translateZ(0); backface-visibility: hidden; -webkit-backface-visibility: hidden; will-change: transform; }
    .pk-gv-cover.pk-gv-file .pk-gv-media-mount .pk-max-thumb { width: 100% !important; height: 100% !important; max-width: none !important; max-height: none !important; object-fit: cover !important; border-radius: 0 !important; transform: translateZ(0); transform-origin: center center; backface-visibility: hidden; -webkit-backface-visibility: hidden; will-change: transform, opacity; }
    .pk-gv-cover.pk-gv-has-thumb { background: transparent; }
    .pk-gv-cover img { max-width: 100%; max-height: 100%; object-fit: cover; display: block; border-radius: 12px; }
    .pk-gv-cover.pk-gv-has-thumb > img { width: 100%; height: 100%; }
    .pk-gv-cover.pk-gv-blur > img, .pk-gv-cover.pk-gv-blur .pk-gv-media-mount [data-pk-thumb-ready="1"] > .pk-max-thumb, .pk-gv-cover.pk-gv-blur .pk-gv-media-mount .pk-max-thumb[data-pk-frozen-cover="1"], .pk-gv-cover.pk-gv-blur .pk-gv-folder-preview img[data-pk-id][data-pk-src], .pk-gv-cover.pk-gv-blur .pk-gv-folder-preview img[data-pk-frozen-cover="1"] { filter: blur(8px); transform: scale(1.04); }
    .pk-gv-cover.pk-gv-file .pk-gv-media-mount { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
    .pk-gv-cover.pk-gv-file .pk-gv-media-mount > div { width: 100%; height: 100%; }
    .pk-gv-cover .pk-gv-icon { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
    .pk-gv-cover .pk-gv-icon svg, .pk-gv-cover .pk-gv-icon img { width: 108px !important; height: 108px !important; max-width: 108px !important; max-height: 108px !important; object-fit: contain !important; }
    .pk-gv-cover .pk-gv-icon img { border-radius: 10px; }
    .pk-gv-folder-preview.pk-gv-folder-has-thumb { background: transparent; isolation: isolate; transform: translateZ(0); }
    .pk-gv-folder-preview.pk-gv-folder-has-thumb img { width: 100%; height: 100%; display: block; object-fit: cover; border-radius: 0; transform: translateZ(0) scale(1.02); transform-origin: center center; backface-visibility: hidden; will-change: transform; }
    .pk-gv-folder-shell { position: relative; width: 176px; height: 138px; margin: 12px auto 0; display: flex; align-items: flex-end; justify-content: center; transform: translateY(12px); }
    .pk-gv-folder-back { position: absolute; top: 19px; left: 0; right: 0; bottom: 0; background: #fbc645; border-radius: 12px; }
    .pk-gv-folder-tab { position: absolute; top: 6px; left: 15px; width: 62px; height: 23px; background: #fbc645; border-radius: 9px 9px 0 0; }
    .pk-gv-folder-preview { position: absolute; top: 0; left: 15px; right: 15px; bottom: 23px; border-radius: 10px; overflow: hidden; clip-path: inset(0 round 10px); background: #fff7e6; z-index: 1; display: flex; align-items: center; justify-content: center; isolation: isolate; transform: translateZ(0); }
    .pk-gv-folder-preview { position: absolute; top: 0; left: 15px; right: 15px; bottom: 23px; border-radius: 10px; overflow: hidden; clip-path: inset(0 round 10px); background: #fff7e6; z-index: 1; display: flex; align-items: center; justify-content: center; isolation: isolate; transform: translateZ(0); backface-visibility: hidden; -webkit-backface-visibility: hidden; will-change: transform; }
    .pk-gv-folder-fallback { width: 102px !important; height: 102px !important; max-width: 102px !important; max-height: 102px !important; object-fit: contain !important; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; }
    .pk-gv-folder-front { position: absolute; left: -1px; right: -1px; bottom: -1px; height: 86px; background: #f9b126; border-radius: 12px; z-index: 2; box-shadow: 0 -2px 12px rgba(249, 177, 38, 0.2); transform: translateZ(0); backface-visibility: hidden; -webkit-backface-visibility: hidden; will-change: transform; }
    .pk-gv-folder-shell { isolation: isolate; transform: translateZ(0); backface-visibility: hidden; -webkit-backface-visibility: hidden; }
    .pk-gv-folder-back, .pk-gv-folder-tab { transform: translateZ(0); backface-visibility: hidden; -webkit-backface-visibility: hidden; }
    .pk-gv-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 48px; height: 48px; border-radius: 50%; background: rgba(0,0,0,0.4); display: inline-flex; align-items: center; justify-content: center; pointer-events: none; z-index: 3; }
    .pk-gv-play svg { width: 28px !important; height: 28px !important; color: #fff; margin-left: 3px; }
    .pk-gv-fav { position: absolute; right: 14px; bottom: 14px; width: 24px; height: 24px; border-radius: 50%; background: rgba(255,255,255,0.95); color: #f4b400; display: grid; place-items: center; box-shadow: 0 4px 10px rgba(0,0,0,0.1); pointer-events: none; z-index: 3; line-height: 0; }
    .pk-dark .pk-gv-fav { background: rgba(39,45,54,0.96); box-shadow: 0 6px 14px rgba(0,0,0,0.24); }
    .pk-gv-fav .pk-star-icon { width: 14px !important; height: 14px !important; display: block !important; margin: 0 !important; padding: 0 !important; transform: none !important; transform-origin: center center !important; }
    .pk-gv-fav .pk-star-icon svg { width: 14px !important; height: 14px !important; display: block !important; margin: 0 !important; padding: 0 !important; transform: none !important; }
    .pk-gv-bl { position: absolute; left: 14px; bottom: 14px; width: 24px; height: 24px; border-radius: 50%; background: rgba(255,255,255,0.95); display: grid; place-items: center; box-shadow: 0 4px 10px rgba(0,0,0,0.1); pointer-events: none; z-index: 3; line-height: 0; }
    .pk-gv-bl svg { width: 14px !important; height: 14px !important; display: block !important; margin: 0 !important; padding: 0 !important; transform: none !important; transform-origin: center center !important; }
    .pk-dark .pk-gv-bl { background: rgba(39,45,54,0.96); box-shadow: 0 6px 14px rgba(0,0,0,0.24); }
    .pk-gv-info { display:grid; grid-template-rows:20px 16px; row-gap:2px; align-content:end; align-self:stretch; width:100%; min-width:0; padding:0 2px; height:38px; min-height:38px; box-sizing:border-box; overflow:hidden; text-align:left; }
    .pk-grid-view .pk-name { display:flex; align-items:center; justify-content:flex-start; align-self:stretch; width:100%; min-width:0; height:20px; overflow:hidden; text-align:left; }
    .pk-grid-view .pk-name .pk-name-main { display:inline-flex; align-items:center; min-width:0; max-width:100%; overflow:hidden; }
    .pk-grid-view .pk-name .pk-name-txt { display:block; flex:0 1 auto; width:auto; min-width:0; max-width:100%; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; line-height:20px; font-size:14px; font-weight:500; color:#1a1a1a; word-break:normal; text-align:left; }
    .pk-grid-view .pk-name .pk-tag-default { flex:0 0 auto; align-self:center; margin-left:6px; margin-top:0 !important; margin-bottom:0 !important; padding:0 6px; min-width:auto; height:16px; border-radius:10px; font-size:11px; line-height:1 !important; white-space:nowrap; display:inline-flex !important; align-items:center !important; justify-content:center !important; text-align:center; box-sizing:border-box; vertical-align:middle; transform:none !important; position:relative; top:-2px; }
    .pk-gv-meta { display:flex; align-items:center; justify-content:flex-start; align-self:stretch; width:100%; min-width:0; height:16px; gap:0; color:#1a1a1a; font-size:12px; line-height:16px; overflow:hidden; text-align:left; }
    .pk-gv-meta-item { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; flex:0 1 auto; text-align:left; }
    .pk-gv-date-wrap { display:flex; align-items:center; min-width:0; flex:0 1 auto; overflow:hidden; gap:0; }
    .pk-gv-date { flex:0 1 auto; min-width:0; text-align:left; }
    .pk-gv-size { flex:0 0 auto; max-width:40%; text-align:left; }
    .pk-gv-dur { flex:0 0 auto; max-width:34%; text-align:left; }
    .pk-gv-fcount { flex:0 0 auto; max-width:34%; text-align:left; }
    .pk-gv-meta-sep { display:block; width:3px; height:3px; margin:0 6px; border-radius:50%; background:currentColor; opacity:0.5; flex:0 0 auto; align-self:center; }
    .pk-gv-date, .pk-gv-size, .pk-gv-dur, .pk-gv-fcount { color: inherit; opacity: 1; }
    .pk-dark .pk-grid-view .pk-row { background: rgba(39,45,54,0.96); border-color: transparent; box-shadow: 0 12px 26px rgba(0,0,0,0.22); outline: none; background-clip: padding-box; }
    .pk-dark .pk-grid-view .pk-row:hover { background: rgba(45,52,62,0.98); border-color: transparent; outline: none; }
    .pk-dark .pk-grid-view .pk-row.sel { background: rgba(34,60,96,0.9); border-color: rgba(92,169,255,0.42); box-shadow: 0 12px 28px rgba(18,44,82,0.32); outline: none; background-clip: padding-box; }
    .pk-dark .pk-grid-view .pk-row.pk-sel-single, .pk-dark .pk-grid-view .pk-row.pk-sel-single.pk-focused { transition: background 0.2s !important; }
    .pk-dark .pk-gv-check::before { background: rgba(37,42,50,0.92); border-color: rgba(124,137,156,0.9); }
    .pk-dark .pk-gv-more { background: rgba(34,40,48,0.94); color: #c0c7d2; box-shadow: 0 6px 14px rgba(0,0,0,0.24); }
    .pk-dark .pk-gv-more:hover { background: rgba(46,54,64,0.98); color: #fff; }
    .pk-dark .pk-gv-cover.pk-gv-file { background: transparent; }
    .pk-dark .pk-gv-cover.pk-gv-file.pk-gv-has-thumb:has(.pk-gv-media-mount > [data-pk-thumb-ready="1"]) { background: linear-gradient(180deg,#313844 0%,#2a313b 100%); }
    .pk-dark .pk-gv-cover.pk-gv-folder { background: transparent; }
    .pk-dark .pk-gv-folder-preview { background: #fff7e6; }
    .pk-dark .pk-grid-view .pk-name .pk-name-txt, .pk-dark .pk-gv-meta, .pk-dark .pk-gv-meta-item, .pk-dark .pk-gv-date, .pk-dark .pk-gv-size { color:#fff; }
    .pk-modal::-webkit-scrollbar, .pk-vp::-webkit-scrollbar, .pk-prev-list::-webkit-scrollbar, .pk-scroll::-webkit-scrollbar, #pk-rn-vp::-webkit-scrollbar, .pk-bl-area::-webkit-scrollbar, textarea::-webkit-scrollbar, .pk-sub-pane::-webkit-scrollbar, #pk_sub_search_list::-webkit-scrollbar, .pk-p-pop::-webkit-scrollbar, .pk-share-modal::-webkit-scrollbar { width: 6px; height: 6px; }
    .pk-no-scrollbar::-webkit-scrollbar { display: none !important; }
    .pk-no-scrollbar { -ms-overflow-style: none !important; scrollbar-width: none !important; }
    .pk-vp::-webkit-scrollbar-track, .pk-modal::-webkit-scrollbar-track, .pk-prev-list::-webkit-scrollbar-track, .pk-scroll::-webkit-scrollbar-track, #pk-rn-vp::-webkit-scrollbar-track, .pk-bl-area::-webkit-scrollbar-track, textarea::-webkit-scrollbar-track, .pk-sub-pane::-webkit-scrollbar-track, #pk_sub_search_list::-webkit-scrollbar-track, .pk-p-pop::-webkit-scrollbar-track { background: var(--pk-sb-bg); }
    .pk-vp::-webkit-scrollbar-thumb, .pk-modal::-webkit-scrollbar-thumb, .pk-prev-list::-webkit-scrollbar-thumb, .pk-scroll::-webkit-scrollbar-thumb, #pk-rn-vp::-webkit-scrollbar-thumb, .pk-bl-area::-webkit-scrollbar-thumb, textarea::-webkit-scrollbar-thumb, .pk-sub-pane::-webkit-scrollbar-thumb, #pk_sub_search_list::-webkit-scrollbar-thumb, .pk-p-pop::-webkit-scrollbar-thumb { background: var(--pk-sb-th); border-radius: 3px; }
    .pk-vp::-webkit-scrollbar-thumb:hover, .pk-modal::-webkit-scrollbar-thumb:hover, .pk-prev-list::-webkit-scrollbar-thumb:hover, .pk-scroll::-webkit-scrollbar-thumb:hover { background: var(--pk-sb-hov); } ::-webkit-scrollbar { cursor: default; }
    .pk-vp { flex: 1; overflow-y: auto; position: relative; background: var(--pk-bg); scrollbar-gutter: stable; }
    .pk-in { position: absolute; width: 100%; top: 0; }
    .pk-row { height: 40px; border: 1px solid transparent; cursor: default; padding: 0 16px; border-radius: 4px; }
    .pk-row:hover { background: var(--pk-hl); }
    .pk-row.sel { background: var(--pk-sel-bg); border: 1px solid transparent; }
    .pk-row.sel.pk-focused { border: 1px solid var(--pk-pri); border-radius: 4px; }
    .pk-grid-view .pk-row.sel.pk-focused { border-color: var(--pk-pri); box-shadow: 0 0 0 1px var(--pk-pri); border-radius: 16px; }
    .pk-name { display: flex; align-items: center; overflow: visible; min-width: 0; cursor: default; }
    .pk-name .pk-name-txt { transition: color 0.1s; border-bottom: 1px solid transparent; }
    .pk-name svg { flex-shrink: 0; margin-right: 8px; cursor: default; }
    .pk-win:not(.pk-mode-trash) .pk-name .pk-name-txt { cursor: pointer; }
    .pk-win:not(.pk-mode-trash) .pk-name .pk-name-txt:hover { color: var(--pk-pri); }
    .pk-tag-default { cursor: default !important; color: #999 !important; border: 1px solid #ccc !important; font-weight: normal !important; }
    .pk-tag-default:hover { color: #999 !important; }
    .pk-name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 0 1 auto; line-height: 1.5; padding: 2px 0; margin-top: -2px; }
    .pk-group-hd { display: flex; background: var(--pk-gh); color: var(--pk-gh-fg); font-weight: bold; align-items: center; padding: 0 16px; border-top: 4px solid var(--pk-bg) !important; border-bottom: 4px solid var(--pk-bg) !important; background-clip: padding-box; height: 40px !important; box-sizing: border-box; margin-top: 0 !important; }
    .pk-group-hd .pk-tag { margin-left: auto; background: #666; color: #fff; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; border: 1px solid #555; }
    .pk-group-hd .pk-cnt { margin-left: 10px; color: var(--pk-fg); font-size: 12px; opacity: 0.9; }
    .pk-group-hd .pk-name { height:100%; align-items:center !important; }
    .pk-group-hd .pk-name .pk-name-txt, .pk-group-hd .pk-name span { display:flex !important; align-items:center !important; height:100% !important; line-height:1.2 !important; padding:0 !important; margin-top:0 !important; }
    .pk-loading-ov { position: absolute; inset: 0; background: rgba(var(--pk-bg-rgb), 0.75); z-index: 999; display: none; flex-direction: column; align-items: center; justify-content: center; color: var(--pk-fg); gap: 28px; backdrop-filter: blur(10px) saturate(180%); -webkit-backdrop-filter: blur(10px) saturate(180%); transition: all 0.3s ease; }
    .pk-spin-lg { width: 56px; height: 56px; border: 4px solid rgba(136, 136, 136, 0.25); border-top-color: var(--pk-pri); border-radius: 50%; position: relative; animation: pk-ultra-spin 1s linear infinite; transform: translateZ(0); }
    .pk-loading-txt { font-size: 15px; font-weight: 600; text-align: center; white-space: pre-line; line-height: 1.6; letter-spacing: 1px; }
    @keyframes pk-ultra-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
    @keyframes pk-text-pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(0.98); } }
    .pk-stop-btn { display: flex !important; align-items: center !important; justify-content: center !important; gap: 6px; padding: 8px 24px; background: #d93025; color: white; border: none; border-radius: 20px; font-size: 14px; cursor: pointer; font-weight: bold; box-shadow: 0 4px 10px rgba(217, 48, 37, 0.3); transition: transform 0.1s; }
    .pk-stop-btn svg { display: block; }
    .pk-stop-btn:hover { background: #b02a20; transform: scale(1.05); }
    .pk-stop-btn:active { transform: scale(0.95); }
    .pk-ft { height: 48px; border-top: 1px solid var(--pk-bd); background: var(--pk-bg); display: flex; align-items: center; padding: 0 16px; justify-content: space-between; font-size: 13px; }
    .pk-stat { color: var(--pk-fg); font-size: 13px; }
    .pk-grp { display: flex; gap: 8px; }
    .pk-pop { position: fixed; pointer-events: none; z-index: 2147483647 !important; background: #000; border: 1px solid #333; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4); border-radius: 6px; display: none; overflow: hidden; }
    .pk-pop img { display: block; max-width: 320px; max-height: 240px; object-fit: contain; }
    .pk-ctx { position: fixed; z-index: 2147483647 !important; background: var(--pk-bg); border: 1px solid var(--pk-bd); border-radius: 6px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); min-width: 150px; padding: 4px 0; display: none; }
    .pk-ctx-item { padding: 8px 16px; font-size: 13px; cursor: pointer; display: flex; align-items: center; gap: 8px; color: var(--pk-fg); }
    .pk-ctx-item:hover { background: var(--pk-hl); }
    .pk-ctx-sep { height: 1px; background: var(--pk-bd); margin: 4px 0; }
    .pk-modal-ov { position: fixed; top: 0; left: 0; width: calc(100vw / var(--pk-zoom, 1)); height: calc(100vh / var(--pk-zoom, 1)); zoom: var(--pk-zoom, 1); transform-origin: top left; background: rgba(0, 0, 0, 0.5); z-index: 10001; display: flex; align-items: center; justify-content: center; overscroll-behavior: none; overflow: hidden; padding: 20px; box-sizing: border-box; }
    .pk-modal { position: relative; background: var(--pk-bg); padding: 25px; border-radius: 12px; width: 500px; max-height: 100%; overflow: hidden !important; display: flex; flex-direction: column; gap: 15px; border: 1px solid var(--pk-bd); box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4); overscroll-behavior: none; margin: auto; flex-shrink: 1; }
    .pk-modal h3 { margin: 0 0 5px 0; font-size: 16px; border-bottom: 1px solid var(--pk-bd); padding-bottom: 10px; padding-right: 40px; color: var(--pk-fg); }
    .pk-modal-close { position: absolute; top: 15px; right: 15px; cursor: pointer; color: var(--pk-icon-c); width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; border-radius: 6px; transition: background 0.1s, color: 0.1s; }
    .pk-modal-close:hover { background: var(--pk-hl); color: var(--pk-fg); }
    .pk-field { display: flex; flex-direction: column; gap: 5px; font-size: 13px; }
    .pk-field input, .pk-field select { padding: 6px; border: 1px solid var(--pk-bd); border-radius: 4px; background: var(--pk-bg); color: var(--pk-fg); }
    .pk-field select { appearance: none; -webkit-appearance: none; -moz-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; background-size: 16px; padding-right: 32px !important; cursor: pointer; }
    .pk-modal-act { display: flex; justify-content: flex-end; gap: 10px; margin-top: 10px; }
    .pk-credit { font-size: 11px; color: #888; text-align: center; margin-top: 20px; border-top: 1px solid var(--pk-bd); padding-top: 10px; }
    .pk-credit a { color: #888; text-decoration: none; }
    .pk-credit a:hover { text-decoration: underline; }
    .pk-prev-list { flex: 1; overflow-y: auto; border: 1px solid var(--pk-bd); max-height: 300px; }
    .pk-prev-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 5px 10px; border-bottom: 1px solid var(--pk-bd); font-size: 12px; }
    .pk-prev-row:nth-child(odd) { background: var(--pk-hl); }
    .pk-sep { width: 1px; height: 16px; background: var(--pk-bd); margin: 0 4px; display: none; flex-shrink: 0; }
    .pk-sep-sm { width: 1px; height: 16px; background: var(--pk-bd); margin: 0 8px; flex-shrink: 0; }
    #pk-refresh, #pk-trash-refresh { width: auto !important; justify-content: center !important; flex-shrink: 0; }
    #pk-refresh svg, #pk-trash-refresh svg { width: 16px !important; height: 16px !important; }
    .pk-grid-hd input[type="checkbox"], .pk-row input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; margin: 0 auto !important; flex-shrink: 0; accent-color: var(--pk-pri); box-sizing: content-box; transform: translateZ(0); display: block; position: relative; }
    .pk-player-box { position: relative; width: 100%; height: 100%; background: #000; display: flex; flex-direction: column; user-select: none; overflow: hidden; }
    .pk-player-video { width: 100%; height: 100%; object-fit: contain; outline: none; transform: translateZ(0); backface-visibility: hidden; image-rendering: -webkit-optimize-contrast; -webkit-font-smoothing: antialiased; }
    .pk-player-top { position: absolute; top: 0; left: 0; right: 0; height: 64px; background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; z-index: 100 !important; opacity: 1; transition: opacity 0.3s; pointer-events: auto; }
    .pk-player-box.ui-hidden .pk-player-top { opacity: 0 !important; pointer-events: none !important; }
    .pk-player-title { color: #fff; font-size: 16px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5); letter-spacing: 0.5px; }
    .pk-player-controls { position: absolute; bottom: 0; left: 0; right: 0; height: 64px; background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.35) 60%, transparent 100%); display: flex; align-items: center; padding: 0 16px; z-index: 80 !important; gap: 4px; opacity: 0; transition: opacity 0.3s; }
    .pk-player-box:hover .pk-player-controls, .pk-player-box.paused .pk-player-controls { opacity: 1; }
    .pk-player-progress-container { position: absolute; bottom: 64px; left: 12px; right: 12px; height: 14px; cursor: pointer; z-index: 11; display: flex; align-items: center; }
    .pk-player-progress-bg { width: 100%; height: 4px; background: rgba(255, 255, 255, 0.25); position: relative; border-radius: 2px; transition: height 0.1s, transform 0.1s; backdrop-filter: blur(2px); }
    .pk-player-progress-container:hover .pk-player-progress-bg { height: 6px; transform: scaleY(1.1); }
    .pk-player-progress-filled { height: 100%; background: var(--pk-pri); width: 0; position: relative; border-radius: 2px; transition: none !important; will-change: width; }
    .pk-player-progress-thumb { position: absolute; right: -7px; top: 50%; transform: translateY(-50%) scale(0); width: 14px; height: 14px; border-radius: 50%; background: #fff; box-shadow: 0 0 10px rgba(0, 0, 0, 0.3); transition: transform 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
    .pk-player-progress-container:hover .pk-player-progress-thumb { transform: translateY(-50%) scale(1); }
    .pk-p-btn { color: #eee; cursor: pointer; display: flex; align-items: center; justify-content: center; width: 50px; height: 40px; border-radius: 4px; transition: all 0.2s ease; position: relative; flex-shrink: 0; }
    .pk-p-btn:hover { color: var(--pk-pri); background: transparent; transform: scale(1.05); }
    .pk-p-btn:active { color: var(--pk-pri); background: transparent; transform: scale(0.95); }
    #pk_p_play, #pk_p_vol, #pk_p_close { display: inline-flex !important; width: 40px !important; height: 40px !important; border-radius: 50% !important; margin: 0 4px !important; padding: 0 !important; box-sizing: border-box !important; justify-content: center !important; align-items: center !important; }
    #pk_p_play svg, #pk_p_vol svg, #pk_p_close svg { margin: 0 !important; padding: 0 !important; }
    #pk_p_play:hover, #pk_p_vol:hover, #pk_p_close:hover { color: #fff !important; filter: brightness(1.5); background: rgba(255, 255, 255, 0.15) !important; transform: none !important; }
    .pk-p-btn svg { width: 24px; height: 24px; fill: currentColor; filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3)); }
    #pk_sub_trigger .pk-p-btn svg { width: 21px; height: 21px; }
    #pk_p_full svg { width: 28px; height: 28px; }
    .pk-p-time { color: #ddd; font-size: 13px; font-family: "Segoe UI", Roboto, monospace; min-width: 90px; text-align: center; font-variant-numeric: tabular-nums; margin: 0 5px; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5); }
    .pk-p-menu-con { position: relative; display: flex; align-items: center; justify-content: center; height: 40px; cursor: pointer; font-size: 15px; color: #ddd; font-weight: 600; padding: 0; min-width: 50px; transition: color 0.2s; border-radius: 4px; }
    #pk_sub_trigger .pk-p-btn { width: 50px; height: 40px; }
    .pk-p-menu-con:hover { color: var(--pk-pri); background: transparent; }
    .pk-p-pop { position: absolute; bottom: 45px; left: 50%; transform: translateX(-50%); background: rgba(20, 20, 20, 0.9); border-radius: 8px; padding: 6px 0; display: none; flex-direction: column-reverse; min-width: 100px; text-align: center; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5); border: 1px solid rgba(255, 255, 255, 0.1); z-index: 20; backdrop-filter: blur(10px); }
    .pk-p-pop::after { content: ''; position: absolute; left: 0; right: 0; top: 100%; height: 45px; background: transparent; }
    .pk-p-menu-con:hover .pk-p-pop { display: flex; animation: pkFadeIn 0.2s ease; }
    @keyframes pkFadeIn { from { opacity: 0; transform: translate(-50%, 10px); } to { opacity: 1; transform: translate(-50%, 0); } }
    .pk-p-item { padding: 8px 16px; color: #ccc; cursor: pointer; font-size: 13px; position: relative; z-index: 2; transition: background 0.1s; text-align: center; display: flex; align-items: center; justify-content: center; }
    .pk-p-item:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
    .pk-p-item.active { color: var(--pk-pri); font-weight: bold; }
    .pk-p-vol-wrap { display: flex; align-items: center; height: 100%; gap: 0px; margin-right: 5px; }
    .pk-p-vol-slider { -webkit-appearance: none; width: 70px; height: 4px; background: rgba(255, 255, 255, 0.3); border-radius: 2px; outline: none; cursor: pointer; transition: height 0.1s; }
    .pk-p-vol-slider:hover { height: 6px; }
    .pk-p-vol-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%; background: #fff; cursor: pointer; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3); transition: transform 0.1s; }
    .pk-p-vol-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
    .pk-p-loading { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); pointer-events: none; display: none; }
    .pk-player-box.buffering:not(.pk-is-seeking) .pk-p-loading { display: block; }
    .pk-player-box.pk-is-seeking .pk-p-loading { display: none !important; }
    .pk-p-center-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) translateZ(0); width: 72px; height: 72px; background: rgba(0, 0, 0, 0.35); border-radius: 50%; display: none; align-items: center; justify-content: center; z-index: 36; pointer-events: none; border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); backface-visibility: hidden; will-change: transform, opacity; }
    .pk-p-center-play svg { width: 36px; height: 36px; fill: #fff; margin-left: 4px; filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.3)); }
    .pk-player-box.paused.pk-v-started:not(.buffering):not(.pk-is-seeking) .pk-p-center-play { display: flex !important; animation: pkPlayPop 0.35s cubic-bezier(0.2, 0, 0.2, 1) forwards; }
    .pk-player-box.buffering .pk-p-center-play { display: none !important; opacity: 0 !important; }
    .pk-player-box.pk-is-seeking .pk-p-center-play { display: none !important; opacity: 0 !important; }
    @keyframes pkPlayPop { from { opacity: 0; transform: translate(-50%, -50%) scale(0.8) translateZ(0); } to { opacity: 1; transform: translate(-50%, -50%) scale(1) translateZ(0); } }
    .pk-p-seek-indicator { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) translateZ(0); height: 54px; min-width: 190px; background: rgba(0, 0, 0, 0.65); color: #fff; padding: 0 22px; border-radius: 12px; font-size: 22px; font-weight: 300; font-family: "Inter", "Segoe UI", "Roboto", "Helvetica Neue", "Arial", sans-serif; z-index: 50; display: none; align-items: center; justify-content: center; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.15); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4); font-variant-numeric: tabular-nums; pointer-events: none; white-space: nowrap; letter-spacing: 0px; }
    body.pk-dragging { cursor: pointer !important; user-select: none !important; -webkit-user-select: none !important; }
    .pk-player-box.pk-is-seeking .pk-player-progress-thumb { transform: translateY(-50%) scale(1) !important; opacity: 1 !important; transition: none !important; }
    .pk-player-box.pk-is-seeking .pk-player-progress-bg { height: 6px !important; transform: scaleY(1.1) !important; transition: none !important; }
    .pk-player-box.pk-is-seeking .pk-player-progress-filled { transition: none !important; will-change: width; }
    .pk-p-resume-toast { position: absolute; bottom: 85px; left: 24px; background: rgba(28, 28, 28, 0.95); color: #fff; padding: 8px 16px; border-radius: 99px; font-size: 13px; display: flex; align-items: center; gap: 8px; z-index: 100; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5); border: 1px solid rgba(255, 255, 255, 0.1); animation: pkFadeInUp 0.2s ease; }
    .pk-p-plist-ov { position: absolute; top: 100%; left: 0; right: 0; z-index: 25; display: flex; flex-direction: column; pointer-events: none; }
    .pk-p-plist-strip { height: 84px; background: rgba(20, 20, 20, 0.9); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); display: flex; align-items: center; position: relative; border-top: none; pointer-events: auto; }
    .pk-p-plist-tab { position: absolute !important; bottom: 100%; left: 50%; transform: translateX(-50%); height: 25px; pointer-events: auto !important; z-index: 70; margin-bottom: -1px; }
    .pk-p-plist-tab { align-self: center; position: relative; z-index: 26; color: rgba(255, 255, 255, 0.8); padding: 0 20px; height: 30px; font-size: 12px; font-weight: 600; cursor: pointer; border: none; display: flex; align-items: center; justify-content: center; gap: 4px; background: transparent; margin-bottom: -1px; letter-spacing: 0.5px; transition: opacity 0.3s ease; opacity: 0; }
    .pk-p-plist-tab:hover, .pk-player-box.plist-active .pk-p-plist-tab { opacity: 1; }
    .pk-p-plist-tab:hover, .pk-player-box.plist-active .pk-p-plist-tab, .pk-img-box.plist-active .pk-p-plist-tab { opacity: 1; }
    .pk-p-plist-tab::before { content: ''; position: absolute; inset: 0; z-index: -1; left: -50px; right: -50px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='20' viewBox='0 0 100 20' preserveAspectRatio='none'%3E%3Cpath d='M0 20 C 25 20, 25 0, 40 0 H 60 C 75 0, 75 20, 100 20 Z' fill='rgba(20, 20, 20, 0.9)'/%3E%3Cpath d='M0 20 C 25 20, 25 0, 40 0 H 60 C 75 0, 75 20, 100 20' fill='none' stroke='rgba(255,255,255,0.1)' stroke-width='1' vector-effect='non-scaling-stroke'/%3E%3C/svg%3E"); background-size: 100% 100%; background-repeat: no-repeat; backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); transform: translateZ(0); backface-visibility: hidden; -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='20' viewBox='0 0 100 20' preserveAspectRatio='none'%3E%3Cpath d='M0 20 C 25 20, 25 0, 40 0 H 60 C 75 0, 75 20, 100 20 Z' fill='black'/%3E%3C/svg%3E"); mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='20' viewBox='0 0 100 20' preserveAspectRatio='none'%3E%3Cpath d='M0 20 C 25 20, 25 0, 40 0 H 60 C 75 0, 75 20, 100 20 Z' fill='black'/%3E%3C/svg%3E"); -webkit-mask-size: 100% 100%; mask-size: 100% 100%; }
    #pk_p_box:fullscreen, #pk_p_box:-webkit-full-screen, #pk_p_box:-moz-full-screen { width: 100vw !important; height: 100vh !important; top: 0 !important; left: 0 !important; transform: none !important; margin: 0 !important; border-radius: 0 !important; overflow: hidden !important; }
    #pk_p_box:fullscreen #pk_video, #pk_p_box:-webkit-full-screen #pk_video, #pk_p_box.full #pk_video, #pk_p_box:fullscreen #pk_p_poster, #pk_p_box:-webkit-full-screen #pk_p_poster, #pk_p_box.full #pk_p_poster { height: 100% !important; bottom: auto !important; top: 0 !important; transform: translateZ(0); }
    #pk_p_box:fullscreen.plist-active #pk_video, #pk_p_box:-webkit-full-screen.plist-active #pk_video, #pk_p_box.full.plist-active #pk_video, #pk_p_box:fullscreen.plist-active #pk_p_poster, #pk_p_box:-webkit-full-screen.plist-active #pk_p_poster, #pk_p_box.full.plist-active #pk_p_poster { height: calc(100% - 84px) !important; }
    #pk_p_box:fullscreen.plist-active .pk-p-side-nav, #pk_p_box:fullscreen.plist-active .pk-p-center-play, #pk_p_box:fullscreen.plist-active .pk-p-seek-indicator, #pk_p_box:-webkit-full-screen.plist-active .pk-p-side-nav, #pk_p_box:-webkit-full-screen.plist-active .pk-p-center-play, #pk_p_box:-webkit-full-screen.plist-active .pk-p-seek-indicator { top: calc(50% - 42px) !important; }
    #pk_p_box:fullscreen #pk_p_plist, #pk_p_box:-webkit-full-screen #pk_p_plist { top: auto !important; bottom: 0 !important; transform: translateY(100%) translateZ(0); backface-visibility: hidden; perspective: 1000px; transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1); }
    #pk_p_box:fullscreen .pk-p-plist-tab, #pk_p_box:-webkit-full-screen .pk-p-plist-tab { bottom: auto !important; top: 0 !important; transform: translateY(-100%) translateZ(0) !important; margin-top: 1px !important; margin-bottom: 0 !important; backface-visibility: hidden; z-index: 100 !important; }
    #pk_p_box:fullscreen.plist-active #pk_p_plist, #pk_p_box:-webkit-full-screen.plist-active #pk_p_plist { transform: translateY(0); }
    #pk_p_box:fullscreen.plist-active .pk-player-controls, #pk_p_box:-webkit-full-screen.plist-active .pk-player-controls { bottom: 84px !important; }
    #pk_p_box:fullscreen.plist-active .pk-p-prog-wrap, #pk_p_box:-webkit-full-screen.plist-active .pk-p-prog-wrap { bottom: 148px !important; }
    .pk-p-plist-tab:hover { color: rgba(255, 255, 255, 0.8); }
    .pk-p-plist-tab:hover::before { opacity: 1; filter: none; }
    .pk-p-plist-tab svg { transition: transform 0.3s; }
    .pk-p-plist-ov.open .pk-p-plist-tab svg { transform: rotate(180deg); }
    .pk-p-plist-strip { height: 110px; background: rgba(20, 20, 20, 0.9); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); display: flex; align-items: center; position: relative; border-top: 1px solid rgba(255, 255, 255, 0.1); }
    .pk-p-plist-scroll { flex: 1; display: flex; overflow-x: auto; gap: 2px; padding: 0 50px; height: 100%; align-items: center; }
    .pk-p-plist-scroll::-webkit-scrollbar { display: none; }
    .pk-p-plist-item { flex-shrink: 0; width: 140px; height: 80px; background: #333; cursor: pointer; position: relative; overflow: hidden; border: 2px solid transparent; border-radius: 4px; will-change: opacity, transform; transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); }
    .pk-p-plist-item.active { border-color: var(--pk-pri); box-shadow: 0 0 10px var(--pk-pri); }
    .pk-p-plist-ph { position:absolute; inset:0; z-index:1; display:flex; align-items:center; justify-content:center; overflow:hidden; background:#3a3a3a; }
    .pk-p-plist-ph img, .pk-p-plist-ph svg { width:100% !important; height:100% !important; max-width:none !important; max-height:none !important; display:block; border-radius:0 !important; }
    .pk-p-plist-ph img { object-fit:cover !important; }
    .pk-p-plist-ph svg { object-fit:fill !important; }
    .pk-p-plist-item > img { position:relative; z-index:2; width:100%; height:100%; object-fit:cover; opacity:1; transition:opacity 0.3s ease-in-out; display:block; }
    .pk-p-plist-item img:error { opacity:0 !important; }
    .pk-p-plist-nav { position: absolute; top: 0; bottom: 0; width: 50px; background: transparent !important; color: rgba(255, 255, 255, 0.7); cursor: pointer; display: flex; align-items: center; justify-content: center; z-index: 35; transition: all 0.2s; border: none; }
    .pk-p-plist-nav:hover { background: rgba(255, 255, 255, 0.15) !important; color: #fff; }
    .pk-p-plist-nav.L { left: 0; }
    .pk-p-plist-nav.R { right: 0; }
    .pk-p-plist-nav svg { width: 28px; height: 28px; stroke-width: 3; }
    .pk-p-plist-tip { position: fixed; background: rgba(0, 0, 0, 0.9); color: #fff; padding: 8px 12px; border-radius: 6px; font-size: 12px; pointer-events: none; z-index: 2147483647; max-width: 340px; line-height: 1.4; display: none; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5); border: 1px solid rgba(255, 255, 255, 0.1); text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .pk-p-resume-btn { color: #4aa1ff; cursor: pointer; font-weight: bold; text-decoration: none; }
    .pk-p-resume-btn:hover { text-decoration: underline; }
    .pk-p-resume-close { cursor: pointer; color: #888; margin-left: 4px; display: flex; align-items: center; }
    @keyframes pkFadeInUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
    .pk-img-ov { position: fixed; top: 0; left: 0; width: calc(100vw / var(--pk-zoom, 1)); height: calc(100vh / var(--pk-zoom, 1)); zoom: var(--pk-zoom, 1); transform-origin: top left; z-index: 2147483640; background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(5px); display: flex; align-items: center; justify-content: center; outline: none; user-select: none; }
    .pk-img-box { position: absolute !important; top: 10%; left: 50%; transform: translateX(-50%); background: #000; border-radius: 8px; box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5); overflow: visible !important; display: flex; flex-direction: column; align-items: center; justify-content: center; width: 90%; max-width: calc(1600px / var(--pk-zoom, 1)); min-width: 480px; height: 80%; transition: width 0.2s cubic-bezier(0.4, 0, 0.2, 1), height 0.2s cubic-bezier(0.4, 0, 0.2, 1), border-radius 0.2s, top 0.2s, left 0.2s, transform 0.2s; z-index: 10; box-sizing: border-box; border: none; }
    .pk-img-box.plist-active { height: calc(80% - 84px); border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
    .pk-img-box.full { width: 100%; max-width: none; height: 100%; border-radius: 0; top: 0 !important; left: 0 !important; transform: none !important; }
    .pk-img-box.full.plist-active { height: calc(100vh - 84px); }
    .pk-img-obj { flex: 1; width: 100%; height: 100%; min-height: 0; object-fit: contain; cursor: grab; transition: transform 0.1s linear; transform-origin: center center; }
    #pk_img_plist { position: absolute; top: 100%; left: 0; right: 0; z-index: 25; height: 84px; display: flex; flex-direction: column; pointer-events: none; }
    #pk_img_plist .pk-p-plist-strip { pointer-events: none; opacity: 0; transition: opacity 0.2s; }
    .pk-img-box.plist-active #pk_img_plist .pk-p-plist-strip { display: flex !important; opacity: 1 !important; pointer-events: auto !important; animation: pkFadeInOnly 0.2s ease; }
    #pk_img_plist_tab { pointer-events: auto !important; z-index: 30; cursor: pointer; }
    #pk_img_plist_scroll { pointer-events: auto !important; }
    .pk-img-obj:active { cursor: grabbing; }
    .pk-img-bar { position: absolute; top: 0; left: 0; right: 0; height: 50px; background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent); display: flex; align-items: center; justify-content: space-between; padding: 0 20px; z-index: 20; opacity: 0; transition: opacity 0.3s; pointer-events: none; }
    .pk-img-bar > * { pointer-events: auto; }
    .pk-img-box:hover .pk-img-bar { opacity: 1; }
    .pk-img-title { color: #fff; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: bold; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8); }
    .pk-img-actions { display: flex; gap: 10px; }
    .pk-img-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 50px; height: 100px; display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, 0.5); cursor: pointer; z-index: 5; transition: background 0.2s, color 0.2s; border-radius: 4px; opacity: 0; }
    .pk-img-box:hover .pk-img-nav { opacity: 1; }
    .pk-img-nav:hover { background: rgba(0, 0, 0, 0.3); color: #fff; }
    .pk-img-prev { left: 10px; }
    .pk-img-next { right: 10px; }
    .pk-img-nav svg { width: 36px; height: 36px; stroke-width: 3; }
    .pk-img-btn { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; color: #eee; cursor: pointer; border-radius: 50%; background: transparent; transition: all 0.2s ease; flex-shrink: 0; }
    .pk-img-btn:not(#pk_img_close):hover { color: var(--pk-pri) !important; background: transparent !important; }
    #pk_img_close:hover { background: rgba(255, 255, 255, 0.15) !important; color: #fff !important; }
    .pk-img-btn svg { width: 20px; height: 20px; }
    .pk-tag-default { margin-top: -1px; margin-left: 10px; flex-shrink: 0; min-width: 32px; box-sizing: border-box; font-size: 10px; height: 18px; padding: 1px 6px 0 6px !important; border-radius: 20px; font-weight: normal; white-space: nowrap; cursor: default; display: inline-flex; align-items: center; justify-content: center; user-select: none; background-color: transparent; color: #999; border: 1px solid #ccc; }
    .pk-ov.pk-dark .pk-tag-default { background-color: transparent; color: #888; border-color: #555; text-shadow: none; }
    #pk-scan-dup, #pk-btn-exit { align-items: center !important; margin: 0 !important; flex-shrink: 0 !important; }
    @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
    .pk-status-dot::after { content: ''; position: absolute; top: 8px; right: 8px; width: 8px; height: 8px; background: #1a5eff; border-radius: 50%; border: 2px solid var(--pk-bg); box-shadow: 0 0 5px rgba(26, 94, 255, 0.5); animation: pk-pulse 2s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite; z-index: 11; pointer-events: none; }
    @keyframes pk-pulse { 0% { transform: scale(0.9); opacity: 0.6; box-shadow: 0 0 0 0 rgba(26, 94, 255, 0.7); } 50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 4px rgba(26, 94, 255, 0); } 100% { transform: scale(0.9); opacity: 0.6; box-shadow: 0 0 0 0 rgba(26, 94, 255, 0); } }
    .pk-tooltip { position: fixed; z-index: 2147483647 !important; background: var(--pk-tip-bg); color: var(--pk-tip-fg); border: 1px solid var(--pk-tip-bd); padding: 6px 12px; border-radius: 8px; font-size: 12px; font-weight: 500; line-height: 1.4; pointer-events: none; opacity: 0; transform: translateY(5px) scale(0.95); transition: opacity 0.15s ease, transform 0.15s ease; box-shadow: 0 4px 16px var(--pk-tip-sd); backdrop-filter: blur(4px); max-width: 300px; white-space: pre-wrap; }
    .pk-tooltip.show { opacity: 1; transform: translateY(0) scale(1); }
    .pk-drag-ghost { position: fixed; z-index: 2147483647; background: var(--pk-bg); border: 1px solid var(--pk-pri); color: var(--pk-fg); padding: 8px 12px; border-radius: 6px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); pointer-events: none; font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 8px; opacity: 0.9; transform: translate(15px, 15px); }
    .pk-row.pk-drop-target { background: var(--pk-sel-bg) !important; outline: 2px dashed var(--pk-pri); outline-offset: -2px; z-index: 10; }
    #pk-crumb span.pk-drop-target { background: var(--pk-sel-bg) !important; color: var(--pk-pri) !important; outline: 2px dashed var(--pk-pri); outline-offset: -2px; border-radius: 4px; z-index: 10; opacity: 1 !important; }
    .pk-crumb-item.pk-drop-target { background: var(--pk-sel-bg) !important; color: var(--pk-pri) !important; outline: 2px dashed var(--pk-pri); outline-offset: -2px; }
    .pk-empty { position: absolute; inset: 0; width: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; pointer-events: none; padding-bottom: 10vh; z-index: 1; opacity: 0; animation: pkFadeInOnly 0.4s ease forwards; }
    .pk-empty svg { width: 35vmin; max-width: 220px; height: auto; margin-bottom: 3vmin; filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.05)); }
    .pk-empty-txt { font-size: clamp(13px, 3vmin, 16px); color: #94a3b8; font-weight: 500; letter-spacing: 1px; }
    .pk-ov.pk-dark .pk-empty-txt { color: #666e75; }
    .pk-selection-box { position: fixed; inset: 0 auto auto 0; background: rgba(0, 103, 192, 0.1); border: 1px solid rgba(0, 103, 192, 0.4); z-index: 2147483647 !important; pointer-events: none; display: none; will-change: transform; box-sizing: border-box; }
    .pk-p-vol-indicator { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(0,0,0,0.75); color: #fff; padding: 12px 24px; border-radius: 12px; font-size: 20px; font-weight: bold; z-index: 120; display: none; align-items: center; gap: 10px; backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.15); pointer-events: none; font-family: "Inter", sans-serif; }
    .pk-p-vol-indicator svg { fill: #fff !important; width: 100%; height: 100%; filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3)); }
    .pk-is-vol-active .pk-p-center-play, .pk-is-vol-active .pk-p-loading { display: none !important; opacity: 0 !important; }
    .pk-input-err-msg { color: #ff4d4f; font-size: 12px; margin-top: 8px; min-height: 18px; visibility: hidden; transition: opacity 0.2s; }
    .pk-ana-select { position: relative; width: 85px; flex-shrink: 0; }
    #an_val_min::-webkit-outer-spin-button, #an_val_min::-webkit-inner-spin-button, #an_val_max::-webkit-outer-spin-button, #an_val_max::-webkit-inner-spin-button, #sc_val_min::-webkit-outer-spin-button, #sc_val_min::-webkit-inner-spin-button, #sc_val_max::-webkit-outer-spin-button, #sc_val_max::-webkit-inner-spin-button, #sh_mod_cnt_val::-webkit-outer-spin-button, #sh_mod_cnt_val::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
    #an_val_min, #an_val_max, #sc_val_min, #sc_val_max, #sh_mod_cnt_val { -moz-appearance: textfield; }
    #an_val_min, #an_val_max { padding-right:32px !important; }
    .pk-num-ctrl { position: absolute; right: 8px; top: 4px; bottom: 4px; display: flex; flex-direction: column; width: 24px; gap: 1px; z-index: 5; }
    .pk-num-btn { flex: 1; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--pk-icon-c); border-radius: 3px; transition: all 0.1s; }
    .pk-num-btn:hover { background: var(--pk-hl); color: var(--pk-pri); }
    .pk-num-btn:active { transform: scale(0.9); }
    .pk-num-btn svg { width: 14px; height: 14px; stroke-width: 3; }
    .pk-ana-trigger { width: 100%; height: 42px; display: flex; align-items: center; justify-content: space-between; padding: 0 12px; border: 2px solid var(--pk-bd); border-radius: 8px; background: var(--pk-bg); color: var(--pk-fg); cursor: pointer; font-weight: 700; font-size: 14px; transition: border-color 0.2s; box-sizing: border-box; }
    .pk-ana-trigger:hover { border-color: var(--pk-pri); }
    .pk-ana-menu { position: absolute; top: 100%; left: 0; right: 0; background: var(--pk-bg); border: 1px solid var(--pk-bd); border-radius: 8px; margin-top: 6px; box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15); z-index: 10010; display: none; overflow: hidden; }
    .pk-ana-item { padding: 10px 12px; cursor: pointer; font-size: 13px; color: var(--pk-fg); transition: background 0.1s; }
    .pk-ana-item:hover { background: var(--pk-hl); color: var(--pk-pri); }
    .pk-ana-item.act { color: var(--pk-pri); font-weight: 700; background: rgba(0, 103, 192, 0.05); }
    .pk-msg-toast { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: var(--pk-toast-bg); color: var(--pk-toast-fg); padding: 12px 28px; border-radius: 12px; z-index: 20000; font-size: 14px; font-weight: 600; pointer-events: none; opacity: 0; transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1); text-align: left; display: flex; align-items: center; justify-content: center; gap: 12px; backdrop-filter: blur(8px); border: 1px solid var(--pk-toast-bd); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); }
    .pk-msg-toast.show { opacity: 1; transform: translate(-50%, -60%); }
    .pk-crumb-sep { width: 22px; height: 22px; margin: 0 2px; cursor: pointer; border-radius: 4px; color: #aaa; transition: all 0.2s; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .pk-crumb-sep:hover, .pk-crumb-sep.pk-active { background: var(--pk-hl); color: currentColor; }
    .pk-crumb-sep svg { width: 14px; height: 14px; stroke-width: 3.5; transition: transform 0.2s ease; }
    .pk-crumb-pop { position: fixed; background: var(--pk-bg); border: 1px solid var(--pk-bd); border-radius: 8px; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35); z-index: 2147483647 !important; min-width: 180px; max-width: 320px; max-height: 50vh; overflow-y: auto; padding: 6px 0; opacity: 0; pointer-events: none; transition: opacity 0.1s ease; border-top: 1px solid rgba(255, 255, 255, 0.05); }
    .pk-crumb-pop.pk-show { opacity: 1; pointer-events: auto; }
    .pk-crumb-item { padding: 8px 12px; font-size: 13px; line-height: 1.5; cursor: pointer; display: flex; align-items: center; justify-content: flex-start; gap: 8px; color: var(--pk-fg); }
    .pk-crumb-item:hover { background: var(--pk-hl); }
    .pk-crumb-item.pk-moving { opacity: 0.4; filter: grayscale(1); cursor: wait; pointer-events: none; }
    .pk-crumb-item svg { flex-shrink: 0; }
    .pk-crumb-name-wrap { display: inline-flex; align-items: center; justify-content: flex-start; min-width: 0; max-width: calc(100% - 26px); flex: 0 1 auto; overflow: hidden; }
    .pk-crumb-name { min-width: 0; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 0 1 auto; padding-bottom: 2px; margin-bottom: -2px; }
    .pk-crumb-name-wrap .pk-tag-default { flex: 0 0 auto !important; margin-left: 6px; min-width: auto; height: 16px; padding: 0 6px; line-height: 1 !important; display: inline-flex; align-items: center; justify-content: center; white-space: nowrap !important; overflow: visible !important; text-overflow: clip !important; padding-bottom: 0 !important; margin-bottom: 0 !important; }
    @keyframes pkFadeInOnly { from { opacity: 0; } to { opacity: 1; } }
    .pk-share-modal { width: 540px !important; box-sizing: border-box; display: flex; flex-direction: column; gap: 20px; padding: 0 !important; overflow: visible !important; }
    .pk-s-sec { display: flex; flex-direction: column; gap: 12px; padding: 0 28px; box-sizing: border-box; }
    .pk-detail-cancel-btn { cursor: pointer; color: var(--pk-pri); font-size: 15px; padding: 8px 12px; border-radius: 6px; transition: background 0.2s; margin-left: -12px; }
    .pk-detail-cancel-btn:hover { background: var(--pk-hl); }
    #pk_edit_pwd_cancel, #pk_edit_phrase_cancel, #pk_mod_cnt_cancel { display:inline-flex; align-items:center; justify-content:center; min-width:64px; height:32px; padding:0 14px; border-radius:8px; color:#666; transition:background 0.18s ease, box-shadow 0.18s ease, color 0.18s ease; }
    .pk-modal-ov:not(.pk-dark) #pk_edit_pwd_cancel:hover, .pk-modal-ov:not(.pk-dark) #pk_edit_phrase_cancel:hover, .pk-modal-ov:not(.pk-dark) #pk_mod_cnt_cancel:hover { background:rgba(0,0,0,0.06); box-shadow:0 2px 8px rgba(0,0,0,0.08); color:#444; }
    .pk-modal-ov.pk-dark #pk_edit_pwd_cancel:hover, .pk-modal-ov.pk-dark #pk_edit_phrase_cancel:hover, .pk-modal-ov.pk-dark #pk_mod_cnt_cancel:hover { background:rgba(255,255,255,0.08); box-shadow:0 2px 8px rgba(0,0,0,0.22); color:#ddd; }
    .pk-share-stat-box { display: flex; background: var(--pk-hl); border-radius: 10px; padding: 10px 0; margin-bottom: 18px; border: 1px solid var(--pk-bd); }
    .pk-share-stat-item { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; }
    .pk-share-stat-item:first-child::after { content: ''; position: absolute; right: 0; top: 25%; bottom: 25%; width: 1px; background: var(--pk-bd); }
    .pk-share-stat-val { font-size: 20px; font-weight: 700; color: var(--pk-fg); line-height: 1.1; font-family: "Inter", system-ui, sans-serif; }
    .pk-share-stat-lbl { font-size: 11px; color: #888; margin-top: 2px; font-weight: 500; }
    .pk-s-lbl { font-size: 13px; font-weight: 700; color: var(--pk-fg); opacity: 0.6; text-transform: uppercase; letter-spacing: 0.5px; }
    .pk-s-tabs { display: flex; background: var(--pk-hl); border-radius: 8px; padding: 4px; gap: 4px; border: 1px solid var(--pk-bd); }
    .pk-s-tab { flex: 1; height: 36px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--pk-fg); font-size: 14px; border-radius: 6px; transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); opacity: 0.7; }
    .pk-s-tab.act { background: var(--pk-bg); color: var(--pk-pri); opacity: 1; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); font-weight: 700; }
    .pk-s-opts { display: flex; flex-flow: row nowrap; gap: 20px; align-items: center; justify-content: flex-start; }
    .pk-s-opt { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; color: var(--pk-fg); white-space: nowrap; flex-shrink: 0; }
    .pk-s-lbl { font-size: 13px; font-weight: 600; color: var(--pk-fg); opacity: 0.8; }
    .pk-s-tabs { display: flex; background: var(--pk-hl); border-radius: 6px; padding: 3px; gap: 2px; border: 1px solid var(--pk-bd); }
    .pk-s-tab { flex: 1; height: 32px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--pk-fg); font-size: 13px; border-radius: 4px; transition: all 0.2s; opacity: 0.7; }
    .pk-s-tab.act { background: var(--pk-bg); color: var(--pk-pri); opacity: 1; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1); font-weight: bold; }
    .pk-s-opts { display: flex; flex-wrap: nowrap; gap: 12px; align-items: center; justify-content: space-between; }
    .pk-s-opt { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: 13px; color: var(--pk-fg); white-space: nowrap; flex-shrink: 0; }
    .pk-s-opt input[type="radio"] { appearance: none; width: 16px; height: 16px; border: 1px solid var(--pk-icon-c); border-radius: 50%; position: relative; cursor: pointer; margin: 0; background: var(--pk-bg); transition: all 0.2s; }
    .pk-s-opt input:checked { border-color: var(--pk-pri); border-width: 5px; }
    .pk-s-input { flex: 1; background: var(--pk-bg); border: 1px solid var(--pk-bd); border-radius: 4px; color: var(--pk-fg); padding: 5px 10px; font-size: 13px; outline: none; transition: border-color 0.2s; min-width: 0; }
    .pk-s-input:focus { border-color: var(--pk-pri); }
    .pk-s-input:disabled { opacity: 0.3; cursor: not-allowed; background: var(--pk-hl); }
    .pk-share-res-val { font-family: "SF Mono", "Consolas", monospace; font-weight: 600; color: var(--pk-pri) !important; }
    .pk-cal-pop { position: absolute; background: var(--pk-bg); color: var(--pk-fg); border: 1px solid var(--pk-bd); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); border-radius: 8px; z-index: 10005; display: flex; font-size: 13px; overflow: hidden; animation: pkFadeIn 0.2s; user-select: none; }
    .pk-cal-side { width: 110px; background: var(--pk-hl); border-right: 1px solid var(--pk-bd); display: flex; flex-direction: column; padding: 8px 0; }
    .pk-cal-side-item { padding: 8px 16px; cursor: pointer; color: var(--pk-fg); transition: background 0.2s; }
    .pk-cal-side-item:hover { background: rgba(0, 0, 0, 0.05); }
    .pk-cal-side-item.active { color: var(--pk-pri); font-weight: bold; background: var(--pk-bg); }
    .pk-cal-main { width: 280px; padding: 10px; display: flex; flex-direction: column; }
    .pk-cal-hd { display: flex; justify-content: space-between; align-items: center; padding: 0 8px 10px 8px; border-bottom: 1px solid var(--pk-bd); }
    .pk-cal-nav-btn { cursor: pointer; padding: 4px; border-radius: 4px; color: #888; }
    .pk-cal-nav-btn:hover { background: var(--pk-hl); color: var(--pk-pri); }
    .pk-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-top: 10px; }
    .pk-cal-th { text-align: center; color: #888; font-size: 12px; padding-bottom: 6px; }
    .pk-cal-td { height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 4px; cursor: pointer; transition: all 0.2s; position: relative; color: var(--pk-fg); }
    .pk-cal-td:hover:not(.disabled):not(.selected) { background: var(--pk-hl); color: var(--pk-pri); }
    .pk-cal-td.selected { background: var(--pk-pri); color: #fff; font-weight: bold; }
    .pk-cal-td.disabled { color: #888; cursor: not-allowed; opacity: 0.7; }
    .pk-share-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; padding: 16px 24px 24px 24px; border-top: 1px solid var(--pk-bd); background: transparent; }
    .pk-btn-quiet-red { color: #d93025; font-size: 14px; font-weight: 500; cursor: pointer; padding: 8px 12px; border-radius: 6px; transition: background 0.2s; margin-left: -8px; }
    .pk-btn-quiet-red:hover { background: rgba(217, 48, 37, 0.08); }
    .pk-btn-primary-action { background: var(--pk-pri); color: #fff; border: none; height: 38px; padding: 0 20px; border-radius: 6px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
    .pk-btn-primary-action:hover { filter: brightness(1.08); box-shadow: 0 2px 8px rgba(0, 103, 192, 0.25); }
    .pk-cal-td.today::after { content: ''; position: absolute; bottom: 4px; width: 4px; height: 4px; background: currentColor; border-radius: 50%; opacity: 0.5; }
    .pk-share-icon-wrap { position: relative; width: 30px; height: 30px; margin-right: 12px; flex-shrink: 0; transition: transform 0.2s ease; transform-origin: center center; display:flex; align-items:center; justify-content:center; line-height:0; overflow:visible; }
    .pk-share-icon-wrap > svg, .pk-share-icon-wrap > img { width: 100%; height: 100%; display: block; flex-shrink: 0; margin:0 !important; }
    .pk-share-icon-wrap > div:not(.pk-share-lock) { width:100%; height:100%; display:flex; align-items:center; justify-content:center; margin:0 !important; flex:0 0 100%; }
    .pk-share-icon-wrap > div:not(.pk-share-lock) > svg, .pk-share-icon-wrap > svg { width:100%; height:100%; display:block !important; margin:0 !important; transform:scale(0.94) !important; transform-origin:center center !important; }
    .pk-share-icon-disabled { transform:none !important; }
    .pk-share-lock { position: absolute; bottom: -2px; right: -4px; width: 14px; height: 14px; background: transparent; display: flex; align-items: center; justify-content: center; z-index: 10; filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.5)) drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3)); border: none; box-shadow: none; pointer-events: none; }
    .pk-ov.pk-dark .pk-share-lock { filter: drop-shadow(0 0 2px rgba(0, 0, 0, 1)) drop-shadow(0 2px 5px rgba(0, 0, 0, 1)); }
    .pk-name { display: flex !important; align-items: center; min-width: 0; width: 100%; overflow: hidden; }
    .pk-name-txt { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
    .pk-select-item { padding: 10px 12px; border-radius: 5px; cursor: pointer; color: var(--pk-fg); font-size: 14px; transition: background 0.1s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .pk-select-item:hover { background: var(--pk-hl); color: var(--pk-pri); }
    .pk-select-item.act { background: rgba(0, 103, 192, 0.1); color: var(--pk-pri); font-weight: 700; }
    .pk-select-label { position: absolute; top: 0; transform: translate3d(0, -50%, 0); -webkit-transform: translate3d(0, -50%, 0); backface-visibility: hidden; -webkit-backface-visibility: hidden; will-change: transform; left: 10px; background: var(--pk-bg); padding: 0 5px; font-size: 11px; color: var(--pk-pri); font-weight: bold; pointer-events: none; z-index: 10; line-height: 1; pointer-events: none; }
    .pk-field input, .pk-field select, .pk-share-modal input, .pk-ov input { transform: translateZ(0); will-change: transform; }
    .pk-maximized { position: fixed !important; width: 100% !important; height: 100% !important; max-width: none !important; top: 0 !important; left: 0 !important; border-radius: 0 !important; border: none !important; z-index: 2147483647 !important; }
    .pk-maximized .pk-sidebar { width: 190px !important; align-items: flex-start !important; padding: 20px 10px !important; }
    .pk-maximized .pk-nav-btn { width: 100% !important; justify-content: flex-start !important; padding: 0 15px !important; gap: 10px; height: 54px !important; border-radius: 8px !important; }
    .pk-nav-btn span { display: none; font-size: 14px; font-weight: 600; white-space: nowrap; }
    .pk-maximized .pk-nav-btn span { display: inline-block; }
    .pk-maximized #pk-quota-panel { align-items: flex-start !important; padding: 0 10px !important; margin-bottom: 6px !important; opacity: 0.9 !important; gap: 4px !important; transition: none !important; }
    .pk-cloud-area { width: 100%; height: 180px; background: #f1f3f5; border: none; border-radius: 8px; padding: 15px; font-size: 14px; line-height: 1.6; color: #1a1a1a; resize: none; outline: none; font-family: inherit; cursor: auto; }
    .pk-dark .pk-cloud-area { background: #2d2d2d !important; color: #f5f5f5 !important; caret-color: #fff !important; }
    .pk-dark .pk-cloud-area::placeholder { color: #666 !important; }
    .pk-cloud-area::placeholder { color: #adb5bd; }
    #pk_cloud_torrent_trigger:hover, #pk_cloud_change_dir:hover { text-decoration: underline; }
    .pk-maximized #pk-quota-bar-box { width: 100% !important; height: 6px !important; transition: none !important; border-radius: 3px !important; }
    .pk-maximized #pk-quota-txt { font-size: 12px !important; transform: none !important; opacity: 1; font-weight: normal !important; white-space: nowrap; }
    .pk-maximized .pk-hd { height: 60px !important; padding: 0 20px !important; }
    .pk-maximized .pk-tt { font-size: 24px !important; }
    .pk-maximized .pk-tt svg { width: 32px !important; height: 32px !important; }
    .pk-maximized .pk-tb { height: 60px !important; padding: 0 16px !important; gap: 10px !important; }
    .pk-maximized .pk-btn { height: 40px !important; font-size: 15px !important; padding: 0 16px !important; }
    .pk-btn svg { width: auto; height: auto; }
    #pk-down svg { width: 16px !important; height: 16px !important; display: block !important; transform: none !important; transform-origin: center center !important; shape-rendering: geometricPrecision; }
    #pk-theme svg, #pk-maximize svg { width: 16px !important; height: 16px !important; }
    #pk-help svg { width: 19px !important; height: 19px !important; }
    #pk-close svg { width: 19px !important; height: 19px !important; }
    .pk-maximized #pk-theme svg, .pk-maximized #pk-maximize svg { width: 24px !important; height: 24px !important; }
    .pk-maximized #pk-help svg { width: 26px !important; height: 29px !important; }
    .pk-maximized #pk-close svg { width: 28px !important; height: 28px !important; }
    .pk-maximized .pk-grid-hd { height: 50px !important; font-size: 15px !important; padding: 0 26px 0 20px !important; }
    .pk-maximized:not(.pk-grid-view) .pk-row, .pk-maximized:not(.pk-grid-view) .pk-group-hd { height: 60px !important; font-size: 16px !important; padding: 0 20px !important; }
    .pk-maximized:not(.pk-grid-view) .pk-group-hd { border-top-width: 10px !important; border-bottom-width: 10px !important; }
    .pk-maximized.pk-grid-view .pk-group-hd { height: 60px !important; font-size: 16px !important; padding: 0 20px !important; border-top-width: 10px !important; border-bottom-width: 10px !important; box-sizing: border-box !important; align-items: center !important; }
    .pk-maximized.pk-grid-view .pk-group-hd > div { height: 100% !important; display: flex !important; align-items: center !important; }
    .pk-maximized.pk-grid-view .pk-group-hd .pk-name { height: 100% !important; display: flex !important; align-items: center !important; min-height: 0 !important; }
    .pk-maximized.pk-grid-view .pk-group-hd .pk-name .pk-name-txt, .pk-maximized.pk-grid-view .pk-group-hd .pk-name span { display: inline-flex !important; align-items: center !important; height: 100% !important; line-height: 1 !important; padding-top: 0 !important; padding-bottom: 0 !important; margin-top: 0 !important; }
    .pk-maximized:not(.pk-grid-view) .pk-name svg { width: 60px !important; height: 60px !important; margin-right: 20px !important; }
    .pk-maximized:not(.pk-grid-view) .pk-row .pk-name .pk-name-txt { white-space: normal !important; display: -webkit-box !important; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden !important; text-overflow: ellipsis !important; line-height: 1.35 !important; word-break: break-all !important; margin-top: 0 !important; }
    .pk-maximized.pk-grid-view .pk-row { padding: 0 !important; }
    .pk-max-icon-box { position: relative !important; width: 50px !important; height: 50px !important; margin-right: 20px !important; display: inline-flex !important; align-items: center !important; justify-content: center !important; flex-shrink: 0 !important; vertical-align: middle !important; overflow: visible !important; }
    .pk-placeholder-icon { position: absolute !important; inset: 0 !important; display: flex !important; align-items: center !important; justify-content: center !important; z-index: 1 !important; transition: opacity 0.2s, visibility 0.2s; }
    .pk-placeholder-icon svg { width: 44px !important; height: 44px !important; object-fit: contain !important; }
    .pk-max-icon-box .pk-max-thumb { position: absolute !important; top: 0 !important; left: 0 !important; width: 50px !important; height: 50px !important; object-fit: cover !important; border-radius: 4px !important; opacity: 0; z-index: 2 !important; transition: opacity 0.25s ease-in-out; background: transparent; }
    .pk-maximized .pk-share-icon-wrap { width: 50px !important; height: 50px !important; margin-right: 20px !important; background: transparent !important; overflow: visible !important; }
    .pk-maximized .pk-row:has(.pk-max-thumb) .pk-name-txt { padding-left: 0 !important; }
    .pk-maximized .pk-nav-btn svg { width: 28px !important; height: 28px !important; }
    body:not(.pk-body-max):has(.pk-modal-ov) #pk-launch { filter: grayscale(1) brightness(0.6) !important; opacity: 0.5 !important; pointer-events: none !important; cursor: not-allowed !important; transition: filter 0.3s, opacity 0.3s; }
    body:has(.pk-ov:not([style*="display: none"])), body:has(.pk-img-ov), body:has(#pk-player-ov) { #pk-launch { display: none !important; visibility: hidden !important; opacity: 0 !important; pointer-events: none !important; } }
    .pk-maximized .pk-search input { height: 40px !important; font-size: 15px !important; padding: 0 70px 0 15px !important; }
    .pk-maximized #pk-search-btn { width: 18px !important; height: 18px !important; right: 14px !important; }
    .pk-maximized .pk-search-clear { width: 24px !important; height: 24px !important; right: 40px !important; }
    .pk-maximized input[type="checkbox"] { width: 18px !important; height: 18px !important; transform: none !important; margin: 0 8px 0 0 !important; }
    .pk-maximized .pk-star-icon, .pk-maximized .pk-star-toggle, .pk-maximized .pk-col[data-k="starred"] svg { width: 16px !important; height: 16px !important; }
    .pk-maximized .pk-view-switch { padding: 4px !important; }
    .pk-maximized .pk-view-btn { width: 38px !important; height: 32px !important; }
    .pk-maximized .pk-grid-hd { height: 58px !important; }
    .pk-maximized .pk-grid-hd.pk-grid-view-hd { padding: 0 24px 0 20px !important; gap: 14px !important; overflow: visible !important; } .pk-maximized .pk-grid-check-tools { padding-left: 5px !important; box-sizing: border-box !important; }
    .pk-maximized .pk-grid-sort-trigger { height: 36px !important; font-size: 13px !important; padding: 0 14px !important; min-width: 122px !important; }
    .pk-maximized .pk-grid-view .pk-row { border-radius: 22px !important; }
    .pk-maximized .pk-grid-card-body { padding: 12px 12px 14px !important; gap: 12px !important; }
    .pk-maximized .pk-gv-check { top: 18px !important; left: 18px !important; width: 22px !important; height: 22px !important; }
    .pk-maximized .pk-gv-more { top: 16px !important; right: 16px !important; width: 28px !important; height: 28px !important; }
    .pk-maximized .pk-gv-cover { height: calc(100% - 86px) !important; min-height: 180px !important; border-radius: 18px !important; }
    .pk-maximized .pk-gv-cover .pk-gv-icon svg, .pk-maximized .pk-gv-cover .pk-gv-icon img { width: 122px !important; height: 122px !important; max-width: 122px !important; max-height: 122px !important; }
    .pk-maximized .pk-gv-folder-shell { width: 216px !important; max-width: 216px !important; height: 152px !important; min-height: 152px !important; margin-top: 12px !important; transform: translateY(12px) !important; }
    .pk-maximized .pk-gv-folder-back { top: 19px !important; border-radius: 12px !important; }
    .pk-maximized .pk-gv-folder-tab { top: 6px !important; left: 17px !important; width: 68px !important; height: 25px !important; border-radius: 10px 10px 0 0 !important; }
    .pk-maximized .pk-gv-folder-preview { top: 0 !important; left: 17px !important; right: 17px !important; bottom: 25px !important; border-radius: 10px !important; }
    .pk-maximized .pk-gv-folder-fallback, .pk-maximized .pk-gv-folder-fallback svg { width: 116px !important; height: 116px !important; max-width: 116px !important; max-height: 116px !important; }
    .pk-maximized .pk-gv-folder-front { height: 90px !important; border-radius: 12px !important; }
    .pk-maximized .pk-gv-info { grid-template-rows:22px 18px !important; row-gap:4px !important; align-self:stretch !important; width:100% !important; min-width:0 !important; height:44px !important; min-height:44px !important; padding:0 2px !important; text-align:left !important; }
    .pk-maximized.pk-grid-view .pk-name .pk-name-txt { font-size:16px !important; line-height:22px !important; text-align:left !important; }
    .pk-maximized.pk-grid-view .pk-name { display:flex !important; align-items:center !important; justify-content:flex-start !important; align-self:stretch !important; width:100% !important; min-width:0 !important; height:22px !important; overflow:hidden !important; text-align:left !important; }
    .pk-maximized.pk-grid-view .pk-share-icon-wrap { width: 40px !important; height: 40px !important; margin-right: 16px !important; position: relative !important; display: block !important; overflow: visible !important; }
    .pk-maximized.pk-grid-view .pk-share-icon-wrap { width: 50px !important; height: 50px !important; margin-right: 20px !important; display: flex !important; align-items: center !important; justify-content: center !important; transform: none !important; overflow: visible !important; }
    .pk-maximized.pk-grid-view .pk-share-icon-wrap > svg { width: 100% !important; height: 100% !important; min-width: 100% !important; min-height: 100% !important; transform: scale(1.25) !important; transform-origin: center center !important; margin: 0 !important; }
    .pk-maximized:not(.pk-grid-view) .pk-name { display:flex !important; align-items:center !important; min-width:0 !important; width:100% !important; height:auto !important; overflow:visible !important; text-align:left !important; }
    .pk-maximized:not(.pk-grid-view) .pk-share-icon-wrap { position:relative !important; width:50px !important; height:50px !important; min-width:50px !important; min-height:50px !important; margin-right:20px !important; display:flex !important; align-items:center !important; justify-content:center !important; flex:0 0 50px !important; transform:none !important; overflow:visible !important; background:transparent !important; }
    .pk-maximized:not(.pk-grid-view) .pk-share-icon-wrap > svg { width:100% !important; height:100% !important; min-width:100% !important; min-height:100% !important; margin:0 !important; transform:scale(1.16) !important; transform-origin:center center !important; }
    .pk-maximized:not(.pk-grid-view) .pk-share-icon-wrap > div:not(.pk-share-lock) { width:100% !important; height:100% !important; display:flex !important; align-items:center !important; justify-content:center !important; transform:none !important; margin:0 !important; }
    .pk-maximized:not(.pk-grid-view) .pk-share-icon-wrap > div:not(.pk-share-lock) > svg { width:100% !important; height:100% !important; min-width:100% !important; min-height:100% !important; transform:scale(1.16) !important; transform-origin:center center !important; margin:0 !important; }
    .pk-maximized:not(.pk-grid-view) .pk-share-icon-wrap img { width:100% !important; height:100% !important; min-width:100% !important; min-height:100% !important; object-fit:contain !important; margin:0 !important; transform:none !important; }
    .pk-maximized:not(.pk-grid-view) .pk-share-lock { width:18px !important; height:18px !important; bottom:-2px !important; right:-6px !important; z-index:15 !important; }
    .pk-maximized:not(.pk-grid-view) .pk-share-lock svg { width:100% !important; height:100% !important; min-width:100% !important; min-height:100% !important; margin:0 !important; transform:none !important; display:block !important; color:#fff !important; }
    .pk-maximized .pk-row > div { font-size: 16px !important; font-weight: normal !important; }
    .pk-maximized .pk-row div[style*="font-size:12px"], .pk-maximized .pk-row div[style*="font-size: 12px"] { font-size: 15px !important; font-weight: 400 !important; opacity: 0.9; }
    .pk-maximized .pk-row div[style*="tabular-nums"] { font-weight: 400 !important; }
    .pk-maximized .pk-ft { height: 50px !important; font-size: 15px !important; padding: 0 20px !important; }
    .pk-maximized .pk-stat { font-size: 15px !important; }
    .pk-maximized .pk-ft .pk-btn { height: 36px !important; font-size: 15px !important; }
    .pk-maximized #pk-filter-cat-label { height: 40px !important; font-size: 15px !important; padding: 0 16px !important; }
    .pk-maximized #pk-filter-exts-wrap { height: 40px !important; }
    .pk-maximized .pk-f-ext { font-size: 15px !important; padding: 6px 12px !important; }
    .pk-maximized #pk-filter-exit-btn { height: 40px !important; font-size: 15px !important; padding: 0 20px !important; }
    .pk-maximized .pk-bl-area { font-size: 15px !important; line-height: 1.6 !important; }
    .pk-maximized #pk-crumb span { font-size: 16px !important; display: inline-flex !important; align-items: center !important; height: 32px !important; padding: 0 8px !important; border-radius: 4px !important; margin: auto 2px !important; } .pk-maximized #pk-crumb div span { font-size: 18px !important; } .pk-maximized #pk-crumb div span[style*="font-size:11px"], .pk-maximized #pk-crumb div span[style*="font-size: 11px"] { font-size: 14px !important; margin-left: 12px !important; } .pk-maximized #pk-crumb svg { width: 18px !important; height: 18px !important; vertical-align: middle !important; margin-top: -1px !important; }
    .pk-maximized .pk-crumb-sep { width: 26px !important; height: 26px !important; margin: auto 4px !important; display: inline-flex !important; align-items: center !important; justify-content: center !important; } .pk-maximized .pk-crumb-sep svg { width: 20px !important; height: 20px !important; }
    .pk-custom-select { position: relative; width: 100%; }
    .pk-select-trigger { display: flex; align-items: center; justify-content: space-between; height: 44px; padding: 0 15px; border: 2px solid var(--pk-bd); border-radius: 8px; background: var(--pk-bg); color: var(--pk-fg); font-size: 14px; font-weight: 600; cursor: pointer; box-sizing: border-box; transition: all 0.2s; }
    .pk-select-trigger:hover { border-color: var(--pk-pri); }
    .pk-select-trigger svg { width: 16px !important; height: 16px !important; min-width: 16px; min-height: 16px; color: #999; flex-shrink: 0; }
    .pk-dropdown-wrap { position: relative; display: inline-flex; height: 32px; align-items: center; }
    .pk-dropdown-menu { position: absolute; top: 100%; right: 0; background: var(--pk-bg); border: 1px solid var(--pk-bd); border-radius: 8px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15); display: none; z-index: 10010; min-width: 140px; padding: 4px 0; margin-top: 6px; flex-direction: column; overflow: hidden; }
    .pk-dropdown-item { padding: 10px 16px; display: flex; align-items: center; gap: 8px; cursor: pointer; color: var(--pk-fg); font-size: 13px; transition: background 0.1s; white-space: nowrap; }
    .pk-dropdown-item:hover { background: var(--pk-hl); color: var(--pk-pri); }
    .pk-pop-max { width: 170px !important; min-width: 170px !important; padding: 6px 0 !important; border-radius: 10px !important; box-shadow: 0 8px 30px rgba(0,0,0,0.3) !important; }
    .pk-pop-max .pk-dropdown-item { padding: 12px 15px !important; font-size: 15px !important; gap: 10px !important; font-weight: 600 !important; }
    .pk-pop-max .pk-dropdown-item svg { width: 22px !important; height: 22px !important; }
    .pk-btn-arrow { margin-left: 2px; opacity: 0.6; transition: transform 0.2s; }
    .pk-aria-status-box { display: flex; align-items: center; gap: 6px; font-size: 11px; font-weight: bold; margin-top: 6px; transform: translateZ(0); -webkit-transform: translateZ(0); backface-visibility: hidden; will-change: transform; cursor: default; }
    .pk-token-eye { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border: none; border-radius: 6px; background: transparent; color: #8a94a4; cursor: pointer; display: flex; align-items: center; justify-content: center; padding: 0; transition: background 0.15s, color 0.15s; z-index: 20; }
    .pk-token-eye:hover { background: rgba(0,103,192,0.1); color: var(--pk-pri); }
    .pk-token-eye svg { width: 18px; height: 18px; display: block; }
    .pk-aria-dot { width: 8px; height: 8px; border-radius: 50%; background: #ccc; transform: translateZ(0); }
    .pk-aria-dot.ok { background: #52c41a; box-shadow: 0 0 8px rgba(82, 196, 26, 0.5); }
    .pk-aria-dot.err { background: #ff4d4f; }
    .pk-aria-dot.wait { background: var(--pk-pri); animation: pk-pulse 1.5s infinite; }
    .pk-dropdown-wrap.active .pk-btn-arrow { transform: rotate(180deg); }
    .pk-select-menu { position: absolute; top: 100%; left: 0; right: 0; background: var(--pk-bg); border: 1px solid var(--pk-bd); border-radius: 8px; margin-top: 6px; box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15); z-index: 10010; display: none; overflow: hidden; max-height: 240px; }
    .pk-share-icon-wrap { position: relative; width: 30px; height: 30px; margin-right: 12px; flex-shrink: 0; display:flex; align-items:center; justify-content:center; transform:none !important; }
    .pk-share-icon-wrap > svg, .pk-share-icon-wrap > img { width: 100%; height: 100%; display: block; flex-shrink: 0; }
    .pk-share-icon-wrap > div:not(.pk-share-lock) { width:100%; height:100%; display:flex; align-items:center; justify-content:center; transform:none !important; margin:0 !important; }
    .pk-share-icon-wrap > div:not(.pk-share-lock) > svg, .pk-share-icon-wrap > svg { transform:scale(0.94) !important; transform-origin:center center !important; }
    .pk-share-lock { position: absolute; bottom: -3px; right: -6px; width: 17px; height: 17px; background: transparent; display: flex; align-items: center; justify-content: center; z-index: 10; filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.5)) drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3)); border: none; box-shadow: none; pointer-events: none; }
    .pk-ov.pk-dark .pk-share-lock { filter: drop-shadow(0 0 2px rgba(0, 0, 0, 1)) drop-shadow(0 2px 5px rgba(0, 0, 0, 1)); }
    .pk-bl-marker { position: absolute !important; bottom: 0px !important; left: 4px !important; width: 10px !important; height: 10px !important; display: flex !important; align-items: center; justify-content: center; z-index: 99 !important; pointer-events: none; filter: drop-shadow(0 0 1px #fff) drop-shadow(0 0 2px rgba(255,255,255,0.5)); }
    .pk-maximized .pk-bl-marker { width: 18px !important; height: 18px !important; bottom: -1px !important; left: 9px !important; }
    .pk-min-icon, .pk-max-icon-box { position: relative !important; overflow: visible !important; display: inline-flex !important; }
    .pk-active-border { border-color: var(--pk-pri) !important; } #pk_dl_group { transform: translateZ(0); backface-visibility: hidden; will-change: border-color; } #pk_dl_group:hover { border-color: var(--pk-pri) !important; } #pk_dl_group.pk-typing-active:hover { border-color: var(--pk-bd) !important; }
    .pk-row > div.pk-name, .pk-min-icon, .pk-max-icon-box, .pk-min-media-box { overflow: visible !important; }
    .pk-maximized .pk-row .pk-name>img[style*="width:24px"] { width: 48px !important; height: 48px !important; margin-right: 20px !important; margin-left: -4px !important; }
    .pk-maximized .pk-row .pk-name>div[style*="width:24px"] { width: 48px !important; height: 48px !important; margin-right: 20px !important; margin-left: -4px !important; }
    .pk-maximized .pk-row .pk-name>div[style*="width:24px"] svg { width: 36px !important; height: 36px !important; }
    .pk-maximized .pk-row div[style*="width:100px"] { width: 200px !important; height: 8px !important; }
    .pk-min-icon-box { position: relative; width: 24px; height: 24px; margin-right: 12px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
    .pk-min-placeholder { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 1; transition: opacity 0.2s; }
    .pk-min-thumb { position: absolute; inset: 0; width: 24px; height: 24px; object-fit: cover; border-radius: 4px; z-index: 2; opacity: 0; transition: opacity 0.2s; }
    .pk-drag-mask { position: absolute; inset: 0; background: rgba(255, 255, 255, 0.92); z-index: 9999; display: none; flex-direction: column; align-items: center; justify-content: center; pointer-events: none; backdrop-filter: blur(4px); }
    .pk-dark .pk-drag-mask { background: rgba(32, 32, 32, 0.92); }
    .pk-drag-icon { width: 80px; height: 80px; background: var(--pk-pri); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; margin-bottom: 24px; box-shadow: 0 10px 30px rgba(26, 94, 255, 0.3); }
    .pk-drag-hint { font-size: 20px; font-weight: 700; color: var(--pk-fg); margin-bottom: 12px; }
    .pk-drag-path { font-size: 14px; color: #888; display: flex; align-items: center; gap: 6px; }
    .pk-help-scroll { max-height: 380px; overflow-y: auto; overscroll-behavior: contain; }
    .pk-body-max .pk-help-scroll { max-height: 75vh; }
    body.pk-hide-all-ui #pk-launch, body.pk-hide-all-ui .pk-ov, body.pk-hide-all-ui .pk-modal-ov, body.pk-hide-all-ui .pk-img-ov, body.pk-hide-all-ui #pk-player-ov, body.pk-hide-all-ui .pk-cal-pop, body.pk-hide-all-ui .pk-crumb-pop, body.pk-hide-all-ui .pk-hist-pop, body.pk-hide-all-ui .pk-tooltip, body.pk-hide-all-ui .pk-msg-toast, body.pk-hide-all-ui .pk-float-bar-item, body.pk-hide-all-ui .pk-selection-box, body.pk-hide-all-ui .pk-drag-ghost { display: none !important; opacity: 0 !important; pointer-events: none !important; }
    .pk-ana-select-btn { border: 1px solid var(--pk-bd); background: var(--pk-bg); color: var(--pk-fg); height: 32px; border-radius: 6px; padding: 0 10px; font-size: 13px; cursor: pointer; display: none; align-items: center; gap: 6px; transition: all 0.2s; white-space: nowrap; margin-right: 8px; }
    .pk-ana-select-btn:hover { border-color: var(--pk-pri); color: var(--pk-pri); background: rgba(var(--pk-bg-rgb), 0.05); }
    .pk-ana-pop { position: absolute; background: var(--pk-bg); border: 1px solid var(--pk-bd); border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); z-index: 1000; display: none; flex-direction: column; padding: 8px; width: 340px; gap: 4px; pointer-events: auto; }
    .pk-ana-pop-row { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
    .pk-ana-opt { padding: 8px 4px; border-radius: 4px; cursor: pointer; font-size: 12px; color: var(--pk-fg); transition: background 0.1s; text-align: center; border: 1px solid transparent; background: var(--pk-hl); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .pk-ana-opt:hover { background: var(--pk-sel-bg); color: var(--pk-pri); border-color: var(--pk-sel-bd); }
`;

;
const sleep = ms => new Promise(r => setTimeout(r, ms));

function getLogicalRect(el) {
    const rect = el.getBoundingClientRect();
    const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
    if (scale === 1) return rect;

    if (window._isRectScaledByZoom === undefined) {
        const dummy = document.createElement('div');
        dummy.style.cssText = 'position:fixed;top:0;left:0;width:100px;height:100px;zoom:0.5;pointer-events:none;opacity:0;border:none;margin:0;padding:0;';
        document.body.appendChild(dummy);
        const dRect = dummy.getBoundingClientRect();
        document.body.removeChild(dummy);
        window._isRectScaledByZoom = Math.abs(dRect.width - 50) < 1;
    }

    if (window._isRectScaledByZoom) {
        return {
            top: rect.top / scale,
            right: rect.right / scale,
            bottom: rect.bottom / scale,
            left: rect.left / scale,
            width: rect.width / scale,
            height: rect.height / scale
        };
    }
    return rect;
}
const esc = s => (s || '').replace(/[&<>"']/g, m => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[m]));
const fmtSize = n => { n = parseInt(n || 0, 10); if (isNaN(n)) return ''; if (n === 0) return '0 KB'; const u = ['B', 'KB', 'MB', 'GB', 'TB']; let i = 0; while (n >= 1024 && i < u.length - 1) { n /= 1024; i++; } return (n < 10 ? n.toFixed(2) : n.toFixed(1)) + ' ' + u[i]; };
const fmtDate = t => {
    if (!t) return '-';
    const d = new Date(new Date(t).getTime() + (8 * 60 * 60 * 1000));
    const pad = n => String(n).padStart(2, '0');
    return `${d.getUTCFullYear()}-${pad(d.getUTCMonth() + 1)}-${pad(d.getUTCDate())} ${pad(d.getUTCHours())}:${pad(d.getUTCMinutes())}`;
};
const fmtDur = s => {
    s = Math.max(0, parseInt(s, 10) || 0);
    if (s <= 0) return "00:00";
    const h = Math.floor(s / 3600), m = Math.floor((s % 3600) / 60), sc = s % 60;
    const mmss = String(m).padStart(2, '0') + ':' + String(sc).padStart(2, '0');
    return h > 0 ? String(h).padStart(2, '0') + ':' + mmss : mmss;
};
function gmGet(key, def) { if (typeof GM_getValue !== 'undefined') { let v = GM_getValue(key, def); return (v === null) ? def : v; } return def; }
function gmSet(key, val) { if (typeof GM_setValue !== 'undefined') GM_setValue(key, val); }

function getBlurScope() {
    const legacyBlur = gmGet('pk_blur_thumb', false);
    const scope = gmGet('pk_blur_scope', legacyBlur ? 'list' : 'off');
    return ['off', 'list', 'grid', 'both'].includes(scope) ? scope : (legacyBlur ? 'list' : 'off');
}
function isBlurEnabledForView(view) {
    const scope = getBlurScope();
    return scope === 'both' || scope === view;
}

const calcSha1 = async (file) => {
    if (!window.crypto || !window.crypto.subtle) return "";
    const CHUNK_SIZE = 20 * 1024 * 1024;
    const chunks = Math.ceil(file.size / CHUNK_SIZE);

    if (file.size > 100 * 1024 * 1024) {
        const head = file.slice(0, 1024 * 1024);
        const mid = file.slice(file.size / 2, file.size / 2 + 1024 * 1024);
        const tail = file.slice(file.size - 1024 * 1024);
        const combined = new Blob([head, mid, tail]);
        const buffer = await combined.arrayBuffer();
        const hash = await crypto.subtle.digest('SHA-1', buffer);
        return Array.from(new Uint8Array(hash)).map(b => b.toString(16).padStart(2, '0')).join('');
    }

    const buffer = await file.arrayBuffer();
    const hash = await crypto.subtle.digest('SHA-1', buffer);
    return Array.from(new Uint8Array(hash)).map(b => b.toString(16).padStart(2, '0')).join('');
};

function getLang(){const u=gmGet('pk_lang','');if(u)return u;const n=navigator.language.toLowerCase();return (n==='zh'||n.startsWith('zh-cn')||n.startsWith('zh-sg'))?'zh':(n.startsWith('zh-tw')||n.startsWith('zh-hk')||n.startsWith('zh-mo'))?'tc':(n.startsWith('id')||n.startsWith('in'))?'id':n.startsWith('ms')?'ms':n.startsWith('ko')?'ko':n.startsWith('ja')?'ja':'en';}
const I18N_CONF={defaultLang:'zh',remoteLangs:['tc','en','ko','ja','id','ms'],manifestUrl:'https://cdn.jsdelivr.net/gh/digbug82/PikPak_Enhancement_Master@main/i18n/manifest.json',baseUrl:'https://cdn.jsdelivr.net/gh/digbug82/PikPak_Enhancement_Master@main/i18n/',cachePrefix:'pk_i18n_',manifestKey:'pk_i18n_manifest',cacheTTL:7*24*60*60*1000,manifestTTL:24*60*60*1000,requiredKeys:['title','modal_settings_title','label_lang','msg_settings_saved','btn_nav_home']};
let pkRemoteI18n=null;
let pkI18nReadyPromise=null;
let pkI18nReadyLang='';
function getI18nCacheKey(lang){return `${I18N_CONF.cachePrefix}${lang}`;}
function readI18nCache(lang,expectedVersion=''){try{const raw=gmGet(getI18nCacheKey(lang),'');if(!raw)return null;const parsed=typeof raw==='string'?JSON.parse(raw):raw;if(!parsed||parsed.lang!==lang||!parsed.data||typeof parsed.data!=='object'||Array.isArray(parsed.data))return null;if(parsed.expiresAt&&parsed.expiresAt<Date.now())return null;if(expectedVersion&&String(parsed.version||'')!==String(expectedVersion))return null;return parsed;}catch(e){return null;}}
function writeI18nCache(lang,version,data){try{gmSet(getI18nCacheKey(lang),JSON.stringify({lang,version:String(version||''),data,expiresAt:Date.now()+I18N_CONF.cacheTTL}));}catch(e){}}
function readI18nManifestCache(){try{const raw=gmGet(I18N_CONF.manifestKey,'');if(!raw)return null;const parsed=typeof raw==='string'?JSON.parse(raw):raw;if(!parsed||!parsed.data||typeof parsed.data!=='object')return null;if(parsed.expiresAt&&parsed.expiresAt<Date.now())return null;return parsed.data;}catch(e){return null;}}
function writeI18nManifestCache(data){try{gmSet(I18N_CONF.manifestKey,JSON.stringify({data,expiresAt:Date.now()+I18N_CONF.manifestTTL}));}catch(e){}}
async function fetchI18nJson(url){const res=await fetch(url,{cache:'no-store'});if(!res.ok)throw new Error(`HTTP ${res.status}`);return await res.json();}
function mergeI18nPack(base,extra){return Object.assign({},base||{},extra&&typeof extra==='object'&&!Array.isArray(extra)?extra:{});}
function isValidI18nManifest(manifest){return !!(manifest&&typeof manifest==='object'&&!Array.isArray(manifest)&&manifest.files&&typeof manifest.files==='object'&&String(manifest.version||'').trim());}
function isValidI18nPayload(data){return !!(data&&typeof data==='object'&&!Array.isArray(data)&&I18N_CONF.requiredKeys.every(k=>Object.prototype.hasOwnProperty.call(data,k)));}
async function loadI18nManifest(force=false){if(!force){const cached=readI18nManifestCache();if(isValidI18nManifest(cached))return cached;}const manifestUrl=`${I18N_CONF.manifestUrl}${I18N_CONF.manifestUrl.includes('?')?'&':'?'}_t=${Date.now()}`;const manifest=await fetchI18nJson(manifestUrl);if(!isValidI18nManifest(manifest))throw new Error('Invalid i18n manifest');writeI18nManifestCache(manifest);return manifest;}
async function loadRemoteLangPack(force=false,langOverride=''){const lang=langOverride||getLang();if(!I18N_CONF.remoteLangs.includes(lang)||!I18N_CONF.manifestUrl){pkRemoteI18n=null;return null;}const manifest=await loadI18nManifest(force);const version=String(manifest.version||'');if(!force){const cached=readI18nCache(lang,version);if(cached){pkRemoteI18n={lang,version:cached.version,data:cached.data};return pkRemoteI18n;}}const file=manifest.files&&manifest.files[lang];if(!file){pkRemoteI18n=null;return null;}const baseUrl=manifest.baseUrl||I18N_CONF.baseUrl;const fileUrl=/^https?:\/\//.test(file)?file:`${baseUrl}${file}`;const data=await fetchI18nJson(`${fileUrl}${fileUrl.includes('?')?'&':'?'}_v=${encodeURIComponent(version)}`);if(!isValidI18nPayload(data))throw new Error('Invalid i18n payload');writeI18nCache(lang,version,data);pkRemoteI18n={lang,version,data};return pkRemoteI18n;}
function ensureI18nReady(force=false,langOverride=''){const lang=langOverride||getLang();if(force||!pkI18nReadyPromise||pkI18nReadyLang!==lang){pkI18nReadyLang=lang;pkI18nReadyPromise=loadRemoteLangPack(force,lang).catch(()=>null);}return pkI18nReadyPromise;}
async function ensureI18nReadyBeforeOpen(langOverride=''){const lang=langOverride||getLang();if(lang==='zh')return null;try{return await Promise.race([ensureI18nReady(false,lang),sleep(4000).then(()=>null)]);}catch(e){return null;}}
const T_LOCAL = {
    zh: {
        /* --- 通用与基础UI --- */
        title: "PikPak 增强大师",
        str_original: "原画",
        str_original_fast: "原画 (高速)",
        str_folders: "文件夹",
        str_files: "文件",
        unit_folders: "个文件夹",
        unit_days: "天",
        unit_month: "月",
        unit_sec: "秒",
        str_no_files: "暂无文件",
        str_items: "项",
        col_name: "名称",
        col_size: "大小",
        col_dur: "类型/时长",
        col_duration_only: "时长",
        col_progress: "播放进度",
        col_play_time: "播放时间",
        col_date: "修改日期",
        col_remaining: "剩余时长",
        col_path: "路径",
        col_old: "原名称",
        col_new: "新名称",
        col_type: "类型",
        col_path_name: "路径 / 名称",
        col_action: "操作",
        lbl_folder_first: "文件夹置顶",
        tag_default: "默认",
        current_dir: "当前目录",
        str_same_folder: "(同文件夹)",
        lbl_dont_show: "不再提醒",
        lbl_dont_show_session: "本次查重不再提示",
        str_empty_filename: "(空文件名)",
        str_empty_dir: "(空目录)",
        btn_filter: "筛选",
        title_file_filter: "文件筛选",
        cat_all: "全部",
        cat_video: "视频",
        cat_audio: "音频",
        cat_image: "图片",
        cat_document: "文档",
        cat_software: "软件",
        cat_archive: "压缩包",
        cat_torrent: "BT种子",
        cat_other: "其他",
        btn_exit_filter: "退出筛选",

        /* --- 属性面板 --- */
        ctx_property: "属性",
        title_property: "文件属性",
        lbl_prop_name: "文件名称",
        lbl_prop_size: "文件大小",
        lbl_prop_count: "文件数量",
        lbl_prop_ctime: "创建时间",
        lbl_prop_mtime: "修改时间",
        lbl_prop_source: "添加来源",
        lbl_prop_link: "资源链接",
        lbl_prop_path: "文件位置",
        str_prop_cloud: "云添加",
        str_prop_share: "来自分享",
        str_prop_user: "用户上传",
        str_prop_unknown: "未知来源",
        fmt_prop_count: "包含 {f} 个文件，{d} 个文件夹",
        str_prop_offline: "离线任务",

        /* --- 导航、视图模式与右键菜单 --- */
        btn_nav_home: "主页",
        btn_nav_share: "我的分享",
        btn_nav_offline: "离线下载",
        btn_nav_recent: "最近添加",
        btn_nav_history: "播放历史",
        btn_nav_starred: "收藏夹",
        btn_nav_trash: "回收站",
        btn_nav_upload: "我的上传",
        title_offline: "我的离线",
        trash_title: "回收站",
        trash_notice: "回收站的文件最多保存15天",
        history_notice: "仅记录在脚本环境内产生的播放进度",
        ctx_open: "打开",
        ctx_add_bl: "添加到资源管理器",
        ctx_remove_bl: "从资源管理器移除",
        ctx_rename: "重命名",
        ctx_copy: "复制",
        ctx_copy_name: "复制文件名",
        ctx_copy_link: "复制链接",
        ctx_cut: "移动",
        ctx_del: "删除",
        ctx_down: "下载",
        ctx_star: "添加星标",
        ctx_unstar: "取消星标",
        ctx_locate: "在文件夹中查看",
        ctx_share: "分享",

        /* --- 通用文件操作按钮 --- */
        btn_down: "下载",
        tip_down: "下载 [Alt] + [D]",
        btn_aria2: "发送 Aria2",
        tip_aria2: "发送 Aria2 [Alt] + [A]",
        btn_refresh_short: "刷新",
        tip_refresh: "刷新 [F5]",
        btn_newfolder: "新建文件夹",
        tip_newfolder: "新建文件夹 [F8]",
        btn_del: "删除",
        tip_del: "删除 [Delete]",
        btn_deselect: "取消选择",
        tip_deselect: "取消选择 [Esc]",
        btn_invert: "反选",
        btn_copy: "复制",
        tip_copy: "复制 [Ctrl] + [C]",
        btn_cut: "移动",
        tip_cut: "移动 [Ctrl] + [X]",
        btn_paste: "粘贴",
        tip_paste: "粘贴 [Ctrl] + [V]",
        btn_clear_history: "删除历史",
        tip_clear_history: "删除历史 [Delete]",
        btn_restore: "还原",
        tip_restore: "还原 [R]",
        btn_del_forever: "永久删除",
        tip_del_forever: "永久删除 [Delete]",
        btn_empty_trash: "清空回收站",
        tip_empty_trash: "清空回收站 [Shift] + [Delete]",
        btn_exit: "退出",
        btn_close: "关闭",
        tip_close: "关闭 [Esc]",
        tip_theme: "切换主题 [Alt] + [T]",
        tip_rotate: "旋转 [R]",
        tip_mirror: "镜像翻转 [H]",
        tip_flip_v: "垂直翻转 [V]",
        tip_maximize: "最大化 [M]",
        tip_minimize: "最小化 [M]",
        tip_full_screen: "全屏 [Enter]",
        btn_help: "帮助",
        tip_help: "帮助 [Alt] + [H]",
        btn_view_file: "查看文件",
        btn_jump: "跳转",
        btn_copy_text: "复制",
        btn_stop: "停止",
        btn_exit_script: "返回登录界面",
        btn_settings: "设置",
        btn_logout: "退出 PikPak",
        msg_logout_confirm: "确定要退出登录吗？",
        tip_settings: "设置和更多 [Alt] + [S]",
        lbl_upload_to: "上传文件至: ",
        msg_move_done: "移动完成。",
        msg_upload_dup_confirm: "发现 {n} 个名称与大小相同的文件，是否跳过？",

        /* --- 离线、上传与云下载 --- */
        btn_upload: "本地上传",
        btn_up_file: "上传文件",
        btn_up_folder: "上传文件夹",
        btn_cloud_download: "云下载",
        btn_up_pause: "暂停任务",
        tip_up_pause: "暂停任务 [Alt] + [P]",
        btn_up_start: "开始任务",
        tip_up_start: "开始任务 [Alt] + [G]",
        btn_up_del: "删除任务",
        tip_up_del: "删除任务 [Delete]",
        btn_up_clear_all: "清空任务",
        tip_up_clear_all: "清空任务 [Shift] + [Delete]",
        btn_retry_task: "重试任务",
        tip_retry_task: "重试任务 [R]",
        col_task_status: "任务状态",
        col_task_progress: "离线进度",
        col_up_speed: "速度",
        col_up_status: "状态",
        lbl_task_run: "进行中",
        lbl_task_fail: "已失败",
        lbl_task_ok: "已完成",
        lbl_up_run: "进行中",
        lbl_up_pause: "已中断",
        lbl_up_downloading: "下载中",
        lbl_up_done: "已完成",
        tip_up_pause_desc: "包含手动暂停及报错的任务",
        title_cloud_task: "创建云下载任务",
        ph_cloud_links: "支持链接格式：\n- 各种下载链接，如magnet。\n- YouTube、X (Twitter)、TikTok、Facebook等分享链接。\n通过换行可一次性添加多条链接。",
        lbl_save_to: "文件将被保存至：",
        lbl_default_folder: "默认文件夹",
        btn_via_torrent: "通过 Torrent 创建",
        tip_cloud_save_path: "常规云下载文件会保存在 My Pack 目录，来自其他 App 的云下载文件会保存至 My [XYZ] 目录，[XYZ] 为 App 名称。",
        lbl_smart_fix: "自动修复防屏蔽磁链 (提取特征码/剔除文字干扰)",
        title_save_method: "保存方式",
        msg_save_snapshot_desc: "此链接只能被存储为网页快照。",
        tip_snapshot_details: "PikPak 不能从此链接中直接采集媒体文件，您可以保存网页快照。PikPak 将尽可能保存完整的网页内容到快照文件中。",
        btn_save_snapshot: "保存快照",
        btn_create_now: "立即创建",
        btn_modify: "修改",
        str_snap_link_count_suffix: " 等 {n} 个链接",

        /* --- 分享管理 --- */
        btn_cancel_share: "取消分享",
        share_copy_suffix: "复制这段内容后打开 PikPak-App，畅享极速秒播",
        share_copy_pwd: "密码",
        title_share_detail: "分享详情",
        ctx_share_detail: "查看分享详情",
        ctx_share_copy: "复制链接和密码",
        col_view: "浏览",
        col_save: "保存",
        col_share_time: "分享时间",
        col_share_status: "分享状态",
        lbl_limit_reached: "次数已满",
        lbl_limit_tip: "限制次数",
        lbl_share_view: "浏览",
        lbl_share_save: "保存",
        lbl_share_link_title: "分享链接",
        lbl_share_pwd_title: "密码",
        lbl_share_expire_title: "有效期",
        btn_copy_link_pwd: "复制链接和密码",
        str_expire_suffix: "天后过期",
        ph_edit_pwd: "输入分享密码，支持 4-10 位",
        btn_close_pwd: "关闭密码",
        str_no_pwd: "无密码",
        title_edit_share_code: "分享代码修改",
        ph_edit_share_code: "支持 5－18 位文字、数字、及符号等",
        btn_add_share_code: "添加分享代码",
        btn_del_share_code: "删除分享代码",
        share_title: "分享文件",
        share_mode: "分享方式",
        share_public: "公开链接",
        share_encrypted: "加密链接",
        share_expiry: "设置有效期",
        share_pass: "设置提取码",
        share_count: "设置提取次数",
        share_count_ed: "提取次数",
        share_perm: "永久有效",
        share_unlimit: "不限",
        share_rand: "系统随机",
        share_custom: "自定义",
        share_days: "天",
        share_times: "次",
        btn_share_start: "立即分享",
        cal_custom_title: "自定义有效期",
        lbl_share_link: "链接",
        lbl_share_code: "提取码",
        btn_copy_share: "复制全部",
        str_share_expired: "已过期",
        str_share_deleted: "文件已删",
        title_edit_pwd: "密码修改",
        lbl_share_code_title: "分享代码",
        btn_migrate: "数据迁移",
        tip_migrate: "打包选中项并准备迁移至新账号 [Alt] + [M]",
        msg_migrate_confirm: "确定要将选中的 {n} 个项目迁移至其他账号吗？\n\n打包成功后，会自动退出。\n登录【目标账号】以完成接收。",
        msg_migrate_packing: "正在构建加密迁移包...",
        msg_migrate_ready: "✅ 迁移包已就绪！\n\n即将退出当前账号，请登录您的【目标账号】。\n重新登录后系统将自动接管转存工作。\n(注：迁移数据包将在 1 天后自动过期失效)",
        err_migrate_ban: "打包失败：选中的内容中包含违规或被官方限制分享的资源。\n请剔除违规文件后重试。",
        msg_migrate_detect: "📦 检测到来自另一个账号的迁移数据包！\n\n共包含 {n} 个项目。\n接收后将保存到以下路径：\n主页 / Pack From Shared\n若该文件夹不存在，将自动创建。\n\n是否立即开始迁移？\n选择“是”将执行迁移；选择“否”将取消本次迁移。",
        msg_migrate_same_account: "迁移已取消：您登录的仍然是原账号，存根已清除。",
        msg_migrate_saving: "正在从加密通道高速转存数据...",
        msg_migrate_success: "🎉 跨账号迁移完成！\n所有文件已成功转存至当前账号。",
        ph_password: "密码",
        ph_pass_range: "4-10位字符",
        cal_week_days:["日", "一", "二", "三", "四", "五", "六"],
        cal_months:["1月", "2月", "3月", "4月", "5月", "6月", "7月", "8月", "9月", "10月", "11月", "12月"],

        /* --- 文件分析与文件夹分析 --- */
        title_file_analysis: "文件分析",
        btn_scan: "文件透视",
        lbl_scan_selected: "对选中的 {n} 个项目执行文件透视",
        lbl_keyword_filter: "排除关键词",
        ph_keyword_filter: "排除包含的关键词，多个用逗号分隔",
        lbl_scan_current: "对当前路径下所有项目执行文件透视",
        tip_dup: "文件查重",
        lbl_dup_selected: "对选中的 {n} 个项目执行文件查重",
        lbl_dup_current: "对当前路径下所有项目执行文件查重",
        tip_scan_dup: "筛选或查重文件",
        lbl_dup_tool: "选择删除对象:",
        lbl_dup_reset: "↺ 复原 (取消置顶 & 清空选择)",
        lbl_dup_select_folder: "📂 按文件夹选择",
        lbl_dup_select_folder_short: "📂 文件夹",
        lbl_dup_invert: "反选模式",
        lbl_dup_invert_short: "反选",
        tip_dup_invert_limit: "仅按文件夹选择可用",
        fmt_dup_count: "({n}个重复)",
        btn_start_scan: "开始扫描",
        tag_hash: "精准匹配",
        tag_hash_short: "精准",
        tag_name: "名称相似",
        tag_name_short: "名称",
        tag_sim: "时长相似",
        tag_sim_short: "时长",
        label_dup_video: "视频文件 (精准匹配 + 时长相似 + 名称相似)",
        label_dup_image: "图片文件 (精准匹配 + 名称相似)",
        label_dup_other: "其他文件 (精准匹配 + 名称相似)",
        btn_analyze: "文件夹分析",
        tip_analyze: "筛选或查重文件夹",
        btn_export: "导出目录",
        tip_export: "生成并下载当前路径的文件树列表",
        title_export_format: "导出目录样式",
        lbl_export_current: "对当前路径下所有项目执行目录导出",
        opt_tree_view: "目录树",
        opt_list_view: "目录列表",
        opt_grid_view: "网格视图",
        msg_exporting: "正在生成目录树...",
        str_analyze_results: "匹配结果",
        lbl_size_threshold: "检测阈值",
        title_analyze_result: "文件夹分析结果",
        opt_ana_large: "文件夹透视",
        lbl_analyze_selected: "对选中的 {n} 个项目执行文件夹透视",
        lbl_analyze_current: "对当前路径下所有项目执行文件夹透视",
        opt_ana_sim: "文件夹查重",
        lbl_ana_sim_selected: "对选中的 {n} 个项目执行文件夹查重",
        lbl_ana_sim_current: "对当前路径下所有项目执行文件夹查重",
        title_algo_help: "查重算法说明",
        algo_help_content: "名称匹配：查找名称和体积相近的文件夹群组。\n相似度匹配：查找内部文件高度重合的文件夹群组。\n包含率匹配：查找小文件夹的内容被大文件夹完全覆盖的子集冗余。\n\n精度：相似度匹配 > 包含率匹配 > 名称匹配\n范围：包含率匹配 > 相似度匹配",
        lbl_threshold: "阈值",
        lbl_sim_score: "相似度",
        lbl_containment: "包含率",
        lbl_name_match: "名称匹配",
        lbl_sim_match: "相似度匹配",
        lbl_contain_match: "包含率匹配",
        lbl_ana_min: "下限",
        lbl_ana_max: "上限",

        /* --- 重命名、清理与资源管理器 --- */
        btn_prune: "清理空文件夹",
        tip_prune: "清理空文件夹 [Ctrl] + [Delete]",
        btn_rename: "重命名",
        tip_rename: "重命名 [F2]",
        btn_bulkrename: "批量重命名",
        tip_bulkrename: "批量重命名 [F2]",
        title_blacklist: "资源管理器",
        btn_blacklist_run: "立即运行清理",
        btn_clear_list: "清空列表",
        tip_bl_desc: "下列项目在【删除】时会跳过，仅通过【立即运行清理】查找删除",
        tip_blacklist_input: "资源管理器 [Alt] +[Delete]",
        label_bl_folder: "文件夹名单 (精准查找)",
        label_bl_file: "文件名单 (精准查找)",
        lbl_type_folder: "文件夹",
        lbl_type_file: "文件",
        ph_bl_folder: "请通过“粘贴”或文件右键菜单“添加到资源管理器”导入。",
        ph_bl_file: "请通过“粘贴”或文件右键菜单“添加到资源管理器”导入。",
        modal_bl_preview: "检索结果",
        btn_bl_delete: "删除选中项",
        modal_rename_title: "重命名",
        modal_rename_multi_title: "批量重命名",
        btn_preview: "预览",
        modal_preview_title: "确认更改",
        label_pattern: "模式 (例: Video {n})",
        label_replace: "替换/删除",
        label_replace_note: "区分大小写",
        label_include_ext: "包含后缀",
        label_regex: "正则 (Regex)",
        placeholder_find: "查找内容",
        placeholder_replace: "替换为 (留空删除)",
        label_jav: "FC2 纯净命名",
        lbl_rn_pattern: "命名模板",
        lbl_rn_case_convert: "大小写转换",
        opt_rn_keep_origin: "(保持原样)",
        opt_rn_lower: "全部小写 (abc)",
        lbl_rn_mode_series: "剧集模式",
        lbl_rn_mode_format: "格式化",
        lbl_rn_mode_ad: "前缀去广告",
        lbl_rn_mode_ext: "后缀修复",
        opt_rn_upper: "全部大写 (ABC)",
        opt_rn_title: "首字母大写 (Abc)",
        lbl_rn_width_convert: "全半角转换",
        opt_rn_width_half: "全角转半角 (Ａ->A)",
        opt_rn_width_full: "半角转全角 (A->Ａ)",
        lbl_rn_preview_title: "变更预览",
        tip_jav_mode_desc: "✨ 智能提取FC2并去除无关字符",
        tip_ad_remove_desc: "🧹 智能滤除头部广告、网址及垃圾符号，自动清洗Emoji并修复括号格式",
        tip_ext_fix_desc: "🧩 根据文件真实类型 (MIME) 智能修正后缀",
        label_replace_find: "查找内容",
        label_replace_to: "替换为",

        /* --- 解压相关 --- */
        btn_unzip: "批量解压",
        tip_unzip: "批量解压 [Alt] + [U]",
        btn_unzip_all: "全部解压",
        btn_understand_unzip: "理解并解压",
        title_input_pwd: "需要解压密码",
        lbl_pwd_prompt: "请输入密码：",

        /* --- 媒体播放器与以图搜图 --- */
        btn_ext: "外部播放",
        tip_ext: "使用PotPlayer播放或获取播放链接 [Alt] +[E]",
        btn_img_search: "以图搜图 [F]",
        tip_play_search: "以图搜图 [F]",
        tip_pip: "画中画 [P]",
        str_no_sub: "无字幕",
        lbl_sub_sel: "字幕选择",
        lbl_show_sub: "显示字幕",
        btn_sub_search: "搜索在线字幕",
        btn_sub_cloud: "打开云盘字幕",
        btn_sub_local: "打开本地字幕",
        lbl_sub_pos: "字幕位置",
        lbl_sub_bottom: "底部",
        lbl_sub_top: "顶部",
        lbl_sub_bg_op: "背景透明",
        lbl_sub_size: "字幕大小",
        lbl_sub_offset: "字幕进度",
        title_sel_sub: "选择字幕",
        ph_sub_search: "输入关键词，下方链接自动更新...",
        str_compat_mode: "兼容模式",
        lang_code: "zh",
        btn_go_search: "🔍 去 {n} 手动搜",
        btn_restart: "从头播放",
        btn_prev_video: "上一个 [Ctrl + ←]",
        btn_next_video: "下一个 [Ctrl + →]",
        tip_plist_open: "展开 [E]",
        tip_plist_close: "收起 [E]",
        tab_sub: "字幕",
        tab_size: "尺寸",
        tab_more: "更多",
        lbl_ratio: "比例",
        lbl_direction: "方向",
        opt_ratio_def: "默认",
        btn_rot_l: "向左旋转",
        btn_rot_r: "向右旋转",
        btn_flip_h: "水平翻转",
        btn_flip_v: "垂直翻转",
        lbl_play_end: "当播放结束",
        opt_list_loop: "列表循环",
        opt_single_loop: "单集循环",
        opt_play_stop: "播完暂停",
        lbl_skip_op: "跳过片头",
        lbl_skip_ed: "跳过片尾",
        export_link_title: "导出视频串流链接",
        btn_start_play: "开始播放",
        btn_copy_link: "复制链接",
        tip_copy_link: "复制链接 [Alt] + [C]",
        opt_player_other: "其他 (导出链接)",
        lbl_player: "播放器",
        btn_mark: "标记",
        lbl_resolution: "清晰度",
        str_switch_compat: "当前清晰度不可用，已为您恢复至 {n}",
        type_img: "图像",
        type_doc: "文档",
        type_archive: "压缩文件",
        type_sub: "字幕文件",
        type_app: "应用程序",
        type_suffix: "文件",

        /* --- 设置与搜索 --- */
        label_turbo_mode: "极速模式",
        desc_turbo_mode: "自动开启并替代网页界面 (推荐)",
        lbl_aria2_status: "RPC 测试",
        ph_aria2_secret: "密钥 (选填)",
        str_connected: "连接成功",
        str_conn_fail: "连接失败",
        str_connecting: "正在测试...",
        tip_mixed_content: "常用 RPC 端口：\n• 6800 (Aria2 默认)\n• 16800 (Motrix 默认)",
        picker_title: "选择文件夹",
        picker_all: "全部文件",
        picker_new: "新建文件夹",
        picker_sort_new: "更新",
        picker_sort_star_new: "星标·更新",
        picker_sort_star_old: "星标·更旧",
        picker_sort_type_dur_asc: "类型/时长·顺序",
        picker_sort_type_dur_desc: "类型/时长·逆序",
        picker_sort_old: "更旧",
        picker_sort_large: "更大",
        picker_sort_small: "更小",
        picker_sort_path_asc: "路径顺序",
        grid_folder_count: "{n}项",
        picker_sort_path_desc: "路径逆序",
        title_select_file: "选择文件",
        placeholder_search: "搜索文件...",
        placeholder_search_short: "搜索",
        title_search_hist: "搜索历史",
        btn_clear_hist: "清空",
        lbl_global_search: "全盘搜索",
        lbl_search_path: "搜索包含路径",
        lbl_search_path_short: "路径",
        str_search_results: "搜索结果",
        modal_settings_title: "设置",
        label_lang: "语言 (Language)",
        label_thumb: "模糊略缩图 (隐私模式)",
        label_keep_pos: "保持浏览位置 (返回时定位)",
        label_sort_pref: "排序偏好",
        opt_sort_indep: "每个文件夹独立",
        opt_sort_global: "全部相同",
        desc_sort_indep: "调整排序方式仅针对当前文件夹生效",
        desc_sort_global: "全部文件夹使用相同的排序 (时间倒序)",
        label_view_pref: "视图模式偏好",
        opt_view_indep: "每个文件夹独立",
        opt_view_global: "全部相同",
        desc_view_indep: "调整视图仅对当前文件夹生效",
        desc_view_global: "全部文件夹使用相同的列表/网格视图",
        label_search_engine: "搜图引擎",
        opt_engine_google: "Google Lens (综合)",
        opt_engine_yandex: "Yandex (综合)",
        opt_engine_saucenao: "SauceNAO (Pixiv/插画)",
        opt_engine_tracemoe: "trace.moe (动漫截图)",
        label_dup_strictness: "相似匹配阈值",
        opt_strict: "严格",
        opt_loose: "宽松",
        label_comic_mode: "媒体模式",
        desc_comic_mode: "纯图片或纯视频文件夹默认 A-Z 排序",
        label_aria2_url: "Aria2 地址",
        label_aria2_token: "Aria2 密钥",
        label_privacy_mode: "隐私图",
        label_blur_cover: "模糊媒体封面缩略图",
        label_privacy_scope: "作用范围",
        opt_privacy_off: "关闭",
        opt_privacy_list: "仅列表视图",
        opt_privacy_grid: "仅网格视图",
        opt_privacy_both: "列表和网格视图",
        label_dl_filter_ext: "下载后缀过滤 (例: .txt, .jpg)",
        label_dl_filter_name: "下载名称过滤 (关键词或全名)",
        lbl_dl_filter: "文件夹下载过滤",
        desc_dl_filter: "文件夹下载/Aria2推送时自动排除匹配的文件",
        lbl_config_manage: "配置管理",
        btn_export_data: "导出备份",
        btn_import_data: "导入备份",
        btn_clean_data: "清除本地数据",
        title_clean_data: "选择清理项目",
        msg_clean_confirm: "确定要彻底删除选中的本地数据吗？此操作无法撤销。",
        msg_clean_success: "本地数据已清理，页面即将刷新...",
        opt_cfg_index: "全盘索引 (已同步的目录结构/文件快照)",
        opt_cfg_pref: "偏好设置 (UI 外观/操作习惯/排序偏好)",
        opt_cfg_rules: "管理规则 (资源管理器/分享次数限制/搜索记录/下载规则)",
        opt_cfg_vault: "密码金库 (解压密码记忆)",
        opt_cfg_history: "视频缓存 (视频播放进度/视频时长缓存)",
        opt_cfg_cache: "运行缓存 (文件夹修改时间/最后浏览位置/指纹)",
        msg_import_confirm: "导入的配置将与当前设置合并（合并名单/记录，覆盖冲突的基础设置），是否继续？",
        msg_import_success: "配置导入成功，页面即将刷新...",
        err_invalid_config: "无效的配置文件：未检测到指纹标识或格式错误",
        err_json_format: "文件解析失败：JSON 语法错误或文件已损坏",
        lbl_storage: "存储空间",
        lbl_browse_exp: "浏览体验",
        lbl_skip_bl_on_del: "删除时跳过管理器中记录资源",
        lbl_pwd_manage: "解压密码管理",
        title_pwd_vault: "密码金库",
        lbl_pwd_try_count: "单个压缩包密码匹配上限",
        tip_pwd_manual: "每行记录一个密码，回车换行",
        str_root_dir_cn: "根目录",
        btn_ana_select: "一键勾选",
        btn_in_group_sort: "组内排序",
        opt_sort_time: "时间",
        opt_sort_size: "大小",
        opt_sort_path: "路径",
        opt_sort_name: "名称",
        opt_keep_new: "保留最新的", opt_keep_old: "保留最旧的",
        opt_keep_large: "保留最大的", opt_keep_small: "保留最小的",
        opt_keep_short: "保留名称最短的", opt_keep_long: "保留名称最长的",
        label_clipboard_magnet_focus: "剪贴板磁链识别",
        desc_clipboard_magnet_focus: "回到前台时检测剪贴板磁链",
        msg_magnet_preview_desc: "已识别到剪贴板磁链，确认后将直接创建云下载任务。",
        msg_magnet_preview_fail: "未获取到公开预览信息，仍可继续添加。",
        str_magnet_unknown_name: "未知资源",
        str_no_preview: "暂无预览图",
        lbl_magnet_count: "文件数",
        lbl_magnet_size: "总大小",
        lbl_magnet_type: "类型",
        lbl_magnet_hash: "磁链",
        btn_magnet_continue: "高速云下载",
        lbl_magnet_preview_source: "预览信息来自",
        msg_magnet_preview_rate_limited: "预览服务请求过于频繁，已临时降级。仍可继续添加。",
        msg_magnet_preview_timeout: "预览服务响应超时，仍可继续添加。",
        msg_magnet_preview_network: "预览服务暂不可用，仍可继续添加。",

        /* --- 状态、进度与加载短语 --- */
        loading: "加载中...",
        loading_detail: "正在全速索引目录结构...",
        loading_fetch: "获取中... ({n})",
        loading_dup: "分析重复项... ({p}%)",
        str_loading_placeholder: "加载中...",
        str_load_failed: " (加载失败)",
        str_load_failed_simple: "加载失败",
        str_waiting_token: "正在同步登录状态...",
        str_speed: "速度",
        status_scanning_selection: "扫描选中项... {n}",
        status_ready: "{n} 个项目",
        sel_count: "已选择 {n} 个项目",
        str_cached: "已缓存:",
        str_retries: "重试:",
        str_failed: "失败:",
        str_success: "成功:",
        str_stopping: "正在停止...",
        str_merging: "合并数据中...",
        str_rendering: "渲染列表中...",
        str_scanning: "扫描中...",
        str_analyzing: "分析中...",
        str_deleting: "删除中...",
        str_saving: "保存中...",
        str_saving_dots: "保存中...",
        str_checking_bl: "匹配名单记录中...",
        str_processing: "系统正在全速处理中...",
        str_cleanup_done: "清理完成。",
        str_waiting_preload: "等待预加载...",
        str_copying: "复制到剪贴板...",
        str_moving: "准备移动...",
        str_sorting: "正在排序...",
        str_refreshing: "刷新中...",
        str_refreshing_cache: "刷新缓存中...",
        str_syncing_stars: "同步星标状态...",
        str_updating_view: "更新视图中...",
        str_generating_view: "生成视图中...",
        str_group: "组",
        str_init_rename: "初始化重命名...",
        str_renaming: "重命名中...",
        str_calc_changes: "计算变更中...",
        str_scanning_dir: "扫描目录结构...",
        str_init_op: "初始化操作...",
        str_init_scan: "正在初始化全盘扫描...",
        str_rebuilding: "正在重建索引...",
        str_upload_1: "正在上传 (节点 1/3)...",
        str_upload_2: "节点1超时，切换节点 2...",
        str_upload_3: "节点2超时，尝试最后节点...",
        str_upload_fail_copy: "上传失败，准备写入剪贴板...",
        str_preparing: "准备解压...",
        str_unzipping: "正在解压: {n}",
        str_unzipping_state: "解压中...",
        str_unzipping_prog_0: "解压中: 0%",
        str_unzipping_prog_100: "解压中: 100%",
        str_unzipping_prog_fmt: "解压中: {n}%",
        msg_task_waiting: "等待中...",
        msg_task_hashing: "校验文件中...",
        msg_task_init_upload: "初始化上传...",
        msg_task_uploading: "正在上传...",
        msg_task_init_part: "初始化分片...",
        msg_task_uploading_2: "正在上传...",
        str_loc_tracing: "正在回溯路径...",
        str_loc_stale: "缓存已过期，正在同步云端...",
        str_verifying: "正在验证...",
        str_server_indexing: "服务器索引中... ({n}/5)",
        str_creating_task_n: "创建任务 ({n}/{t})...",
        msg_submit_request: "正在提交请求... {c}/{t}",
        msg_wait_server: "等待服务器处理... ({c}/{t})",
        msg_server_processing: "服务器处理中... ({c}/{t})",
        str_jav_querying: "正在查询...",
        lbl_done_check: "✔ 完成",
        msg_limit_updated: "提取次数已更新",

        /* --- 提示、确认与交互消息 --- */
        title_alert: "提示",
        title_confirm: "确认",
        title_prompt: "输入",
        btn_ok: "确定",
        btn_yes: "是",
        btn_no: "否",
        btn_save: "保存配置",
        btn_cancel: "取消",
        btn_create: "创建",
        btn_skip: "跳过",
        msg_down_success: "已成功调用浏览器下载 {n} 个文件。",
        msg_clear_history_done: "已从历史记录中移除",
        msg_skip_unzipped: "已跳过 {n} 个已解压的项目。",
        msg_unzip_skip_del_confirm: "检测到 {n} 个压缩包在当前路径存在同名文件夹且状态标记为已解压，大概率已完成解压。是否将其移入回收站？\n\n(建议：请先检查同名文件夹内容是否完整)",
        msg_cancel_share_confirm: "确定要取消选中的 {n} 个分享吗？\n链接将立即失效。",
        msg_pwd_updating: "正在更新密码...",
        msg_pwd_updated: "密码已更新",
        msg_exp_updated: "有效期已更新",
        msg_cancel_share_done: "已取消 {n} 个分享。",
        msg_drag_drop_hint: "将文件拖拽到此处并释放",
        str_drag_files: " 等 {n} 个文件",
        msg_creating_share: "正在创建分享...",
        title_share_result: "分享成功",
        msg_no_files: "选中的项目为空。",
        msg_no_selection: "请先选择项目。",
        warn_del: "确定要删除选中的 {n} 项吗？",
        msg_clear_sel_confirm: "已选中 {n} 个重复文件，确认要取消当前的勾选吗？",
        str_bl_stat: "匹配: {n} 项 | 已选中: {m} 项",
        str_hits: "命中",
        msg_settings_saved: "设置已保存。页面将刷新。",
        msg_name_exists: "名称已存在: {n}",
        str_name_conflict: "(可能重名)",
        msg_newfolder_prompt: "新文件夹名称:",
        msg_rename_prompt: "输入新名称:",
        msg_copy_done: "已复制。请选择粘贴位置。",
        msg_cut_done: "准备移动。请选择粘贴位置。",
        msg_paste_empty: "没有可粘贴的项目。",
        msg_copy_empty: "剪贴板为空或无文本数据。",
        msg_add_success: "已追加 {n} 行数据。",
        msg_del_done: "已删除选中行。",
        msg_del_select: "请先点击选中要删除的行！",
        msg_del_items_done: "已删除 {n} 个项目。",
        msg_copy_success: "复制成功",
        str_redirecting: "正在跳转 Google Lens...",
        msg_manual_paste: "图床上传超时。已复制截图，请在新窗口按 {cmd}",
        msg_starring: "正在添加星标...",
        msg_unstarring: "正在取消星标...",
        msg_star_added: "已添加星标",
        msg_unstar_done: "已取消星标",
        msg_empty_trash_confirm: "确定要清空回收站吗？此操作无法撤销！",
        msg_trash_emptied: "回收站已清空。",
        msg_del_forever_confirm: "确定要彻底删除这 {n} 个项目吗？此操作无法撤销！",
        msg_del_forever_done: "已彻底删除 {n} 个项目。",
        msg_restore_done: "已成功还原 {n} 个项目。",
        msg_auto_sub_load: "已自动加载字幕：{n}",
        msg_dl_sub: "正在下载字幕...",
        msg_fallback_report: "⚠️ 原画不可播放(MPEG4/HEVC)，已自动切换至 {n}",
        tip_manual_sub: "提示：下载 .srt 或 .vtt 后，直接拖入播放器即可加载。",
        msg_sub_drop_load: "已通过拖拽加载字幕：{n}",
        msg_resume_hint: "已为您从 {t} 继续播放，点击这里 ",
        msg_unzip_confirm_n: "确定要在当前目录解压这 {n} 个文件吗？",
        msg_task_paused: "已暂停",
        msg_task_added: "已添加 {n} 个上传任务",
        msg_task_fast_success: "秒传成功",
        msg_task_upload_done: "上传完成",
        log_dirty_data: "拦截到脏数据入侵！请求模式与当前视图不符，已物理熔断。",
        msg_network_unstable: "网络连接波动，正在自动恢复...",
        msg_skip_locked: "{n} 个被锁定",
        msg_skip_self: "{n} 个原地移动",
        msg_skip_conflict: "{n} 个子路径忙碌",
        msg_skip_invalid: "已自动跳过无效项: ",
        msg_creating_cloud_task: "正在创建云下载任务...",
        str_parsing_torrent: "正在解析种子文件...",
        err_torrent_no_info: "解析失败：未发现有效信息",
        err_file_read: "文件读取失败",
        msg_cloud_task_finish: "创建完成：{s} 成功，{f} 失败",
        msg_cloud_task_success: "🎉 已成功创建 {n} 个任务",
        msg_prepare_restore: "准备还原...",
        msg_smart_matching_n: "正在智能匹配密码 ({n}个)...",
        msg_system_busy_retry: "系统繁忙，等待重试 ({n}/5)...",
        msg_unzip_running_bg: "[{n}] 已在云端解压中，请稍后刷新查看",
        msg_share_code_updated: "分享代码已更新",
        msg_ghost_task_resume: "云端未完成 (点击恢复重选文件)",
        msg_parsing_files: "正在解析文件，请稍候...",
        msg_token_expired_retry: "登录过期，正在重试...",
        str_empty_str: "(空)",
        err_clipboard_failed: "写入剪贴板失败",
        err_cors_blocked: "安全拦截: 跨域访问被拒绝",
        err_worker_failed: "工作线程遇到错误",
        str_target_folder: "目标文件夹",
        str_unknown_name: "未知名称",
        btn_default: "默认",
        msg_retry_submitted: "已重试提交 {n} 个任务",
        msg_aria2_batch_fail_log: "\n\n检测到失败项较多，已为您自动导出完整错误清单 (.txt)",
        str_aria2_fetch_err: "(获取链接失败)",
        str_aria2_rpc_err: "(投递失败)",
        str_aria2_aborted: "(已取消)",
        str_aria2_fail_file_name: "Aria2_失败清单",
        msg_op_blocked_moving: "⚠️ 操作拦截\n\n后台正在执行文件搬运，请等待当前任务完成后再操作。",
        msg_op_blocked_analyzing: "⚠️ 操作拦截\n\n后台正在执行文件搬运。为确保文件夹分析数据准确，请等待当前任务完成后再操作。",
        msg_op_blocked_exporting: "⚠️ 操作拦截\n\n后台正在执行文件搬运。为确保导出目录文本准确，请等待当前任务完成后再操作。",
        msg_analyze_only_normal_dir: "请选择文件夹。",
        msg_analyze_no_large_folders: "没有发现符合阈值范围的文件夹 ({s})",
        msg_analyze_summary_fmt: "共发现 <b>{n}</b> 个大于 {s}GB 的文件夹 (已按大小降序排列)",
        msg_prune_blocked_moving: "⚠️ 操作拦截\n\n后台正在执行文件搬运，暂时无法执行清理。",
        msg_global_index_blocked_moving: "⚠️ 操作拦截\n\n后台正在执行文件搬运。全盘索引需要稳定的目录结构，请等待当前任务完成后再开启全盘搜索。",
        msg_resource_locked_download: "⚠️ 操作拦截\n\n选中项包含正在移动的文件或文件夹。请等待搬运完成后再发起下载。",
        msg_resource_locked_aria2: "⚠️ 操作拦截\n\n选中项包含正在移动的文件或文件夹。请等待搬运完成后再推送至 Aria2。",
        msg_flatten_blocked_moving: "⚠️ 操作拦截\n\n后台正在执行文件搬运。此时执行文件分析会导致文件列表缺失或重复，请稍后再试。",
        err_task_conflict: "⚠️ 操作拦截\n\n后台正在执行文件搬运。全局清理需要稳定的目录结构，请等待搬运完成后再执行。",
        title_del_task_confirm_fmt: "确认删除 {n} 条传输任务?",
        lbl_del_cloud_files_too: "同时删除云盘内的文件",
        msg_file_del_failed: "文件删除失败: ",
        msg_task_del_success_fmt: "已删除 {n} 个任务",
        title_clear_task_confirm: "确认清空所有上传任务?",
        msg_task_clear_success_fmt: "已清空 {n} 个上传任务",
        msg_unzip_virtual_view_warn: "您正在虚拟视图中操作。解压后的文件将存放在<b>各压缩包所在的原始文件夹</b>中，而<b>不会</b>直接出现在当前列表中。<br><br>是否继续？",
        msg_smart_matching_file: "智能匹配密码中... ({n})",
        msg_unzip_batch_submitted: "✅ 已完成 {n} 个解压任务",
        msg_unzip_batch_skipped: " ({n} 个跳过)",
        msg_unzip_check_source: "。请前往源目录查看结果。",
        tip_jump_to_folder: "跳转到此文件夹",
        msg_task_deleted: "任务已删除",
        msg_scan_done: "扫描完成！\n共发现 {n} 个文件，遍历了 {f} 个文件夹。",
        msg_scan_fail: "\n\n❌ 有 {n} 个失败。",
        msg_scan_fix: "\n\n✅ 自动修复了 {n} 次网络错误。",
        msg_down_scanning: "正在解析文件夹内容...",
        msg_down_progress: "正在调用浏览器下载...",
        msg_down_confirm_total: "✅ 扫描完毕，共找到 {n} 个文件，总大小约 {s}。\n\n⚠️ 警告：当前任务规模较大，浏览器批量下载可能导致页面卡顿或被浏览器拦截。\n建议当文件数超过 {fc} 个或总大小超过 {fs} 时，优先使用 Aria2。\n\n是否仍然使用浏览器下载？",
        msg_aria2_sending_batch: "🚀 正在分批发送任务至 Aria2...",
        msg_aria2_check_fail: "Aria2 连接失败！\n请检查 URL 和 Token。",
        msg_aria2_check_ok: "Aria2 连接成功！",
        msg_aria2_sent: "已将 {n} 个文件发送到 Aria2。",
        msg_aria2_test_fail: "Aria2 连接失败。\n仍然保存设置吗？",
        title_aria2_fail: "连接测试失败",
        msg_batch_scanning: "🚀 正在高速扫描目录结构...",
        msg_batch_hydrating: "⚡ 正在并行提取下载链路...",
        msg_batch_no_files: "未发现可下载的文件。",
        msg_batch_filtered: "下载过滤规则已跳过 {n} 个文件。",
        msg_batch_all_filtered: "已全部过滤：{n} 个文件均命中下载过滤规则。",
        msg_dup_warn: "是否开始搜索重复文件？",
        msg_dup_result: "发现 {n} 组重复项。",
        msg_dup_none: "未发现重复文件。",
        msg_bl_stop: "操作已停止。",
        msg_bl_add_done: "已将 {n} 个项目添加到记录。",
        msg_bl_remove_done: "已从记录中移除 {n} 个项目。",
        msg_bl_empty: "名单列表为空，无法运行。",
        msg_bl_clear_confirm: "确定要清空所有记录条目吗？此操作不可恢复。",
        msg_blacklist_run_none: "网盘中未发现符合名单条件的项目。",
        msg_blacklist_run_confirm: "在网盘中发现了 {n} 个已记录项目。\n\n是否立即移入回收站？",
        msg_bl_run_limit: "⚠️ 模式限制\n\n清理操作涉及物理文件递归操作。目前处于非标准目录，无法准确定位物理扫描范围。\n\n请返回主页常规文件夹后再执行清理。",
        msg_del_protected: "资源管理器中已记录的 {n} 个文件，已保护并跳过删除。",
        msg_del_none: "没有可删除的文件。",
        msg_bl_scanning: "全盘搜索中... \n已扫描目录: {d} | 命中: {f}",
        rn_tip_wait: "请设置规则",
        rn_tip_jav: "点击上方按钮开始智能匹配",
        rn_tip_none: "没有匹配的项目或名称",
        rn_tip_series_folder_only: "选中项均为文件夹，没有匹配的文件",
        rn_stat: "匹配: {n} 项 | 有效变更: {m} 项",
        rn_warn_confirm: "确定要重命名 {n} 个文件吗？",
        msg_bulkrename_done: "已重命名 {n} 个项目。",
        msg_rn_all_skipped: "❌ 所有项目均因重名被跳过，未执行任何操作。",
        msg_rn_fail_count: "跳过已重名 {n} 个项目",
        msg_prune_confirm: "是否开始搜索当前列表中的空文件夹？",
        msg_prune_none: "未发现空文件夹。",
        msg_prune_found: "发现了 {n} 个空文件夹。\n是否立即删除？",
        msg_deleting_folders: "正在删除 {n} 个文件夹...",
        msg_global_warn: "即将开始全盘文件同步。\n\n文件同步后缓存到本地内存中，网页刷新前持续存在。\n\n是否继续？",
        msg_init_scan_sel: "正在初始化选中项扫描...",
        warn_clear_history: "确定要从历史记录中移除选中的 {n} 项吗？\n(这不会删除您的云端文件)",
        msg_img_copy_hint: "在新窗口中，请按下 {cmd} 即可搜索。",
        msg_aria2_not_set: "检测到您尚未配置 Aria2，请填写后继续：",
        str_jav_no_match: "(未匹配到番号)",
        msg_unzip_fail: "解压请求失败",
        msg_jszip_fail: "JSZip 加载失败，请检查网络。",
        msg_turbo_activated: "极速模式已激活：脚本已深度接管网页逻辑，确保稳定流畅。",
        msg_console_legal: "严禁商业用途：本项目仅供个人学习与交流使用。",
        msg_ana_warn: "文件夹查重提示：判定基于算法推测，删除前请务必人工核对，以防误删。",
        err_migrate_too_many: "⚠️ 选中项过多\n\n当前请求数据量 ({s}MB) 已超过服务器 4MB 的硬性限制。\n\n【解决方案】：\n请在常规目录中直接选中【文件夹】进行迁移，而不是在全盘透视模式下选中海量独立文件。",
        msg_migrate_quota_err: "⚠️ 目标账号空间不足！\n\n系统提示：{d}\n\n是否保留迁移记录？\n(选\"是\"保留记录，清理空间后刷新页面可重试；选\"否\"则终止本次迁移)",
        msg_migrate_err_keep: "迁移异常：\n{e}\n\n是否保留迁移记录以便稍后重试？\n(选\"否\"将清除记录，不再弹窗)",
        title_migrate_fail: "迁移失败",

        /* --- 错误提示 --- */
        err_invalid_links: "请输入正确的链接",
        err_pwd_format: "密码必须为 4-10 位字母或数字",
        err_invalid_torrent: "无效的种子文件格式",
        err_torrent_complex: "解析复杂度过高，可能是非法文件",
        err_torrent_format: "种子文件结构损坏",
        err_torrent_len: "字段长度解析异常",
        err_torrent_char: "解析遇到非法字符",
        err_share_code_exists: "该分享代码已被占用",
        err_folder_not_ready: "云端文件夹正在创建中，请稍后再试",
        err_item_deleted: "该项目不存在",
        err_network: "网络错误",
        err_clipboard_denied: "剪贴板访问被拒绝",
        err_worker: "工作线程错误",
        err_api: "API 错误",
        err_capture: "截图失败。",
        err_captcha_simple: "验证失败。请在网页列表手动收藏一次文件以完成验证。",
        err_sub_dl_fail: "字幕下载失败: ",
        err_req_blocked: "网络请求失败 (可能被拦截)",
        err_req_timeout: "请求超时",
        err_sub_drop_type: "只解析字幕类型文件",
        err_codec_t1: "无法播放视频编码 ({c})",
        err_codec_t2: "您的浏览器不支持该视频格式。<br>请点击下方按钮调用外部播放器。",
        err_pwd_simple: "密码错误",
        err_task_exists: "任务已存在",
        err_network_break: "图片节点网络断流，请再次点击重试",
        err_no_failed_task: "未选中失败的任务",
        err_unknown: "未知错误",
        err_invalid_regex: "无效的正则表达式",
        err_parent_not_found: "文件夹不存在",
        msg_sys_error: "不允许操作系统文件夹",
        msg_download_fail: "无法获取下载链接。",
        msg_video_fail: "无法获取视频链接。",
        err_star_sync_fail: "星标同步失败",
        err_paste_descendant: "不能移动或复制到当前或当前子目录下",
        err_quota_exceeded: "存储空间不足",
        err_name_exists: "文件名称不能重复",
        err_share_pass: "自定义提取码需为 4-10 位字符",
        err_share_limit: "分享失败：单次最多只能分享 100 个项目",
        err_migrate_limit: "迁移失败：单次最多只能迁移 100 个项目",
        lbl_hard_delete: "彻底删除 (不进入回收站)",
        str_error: "错误",
        str_error_crit: "严重错误",
        str_error_paste: "粘贴错误",
        str_action_failed: "操作失败",
        str_scan_error: "扫描错误",
        err_limit_too_low: "修改失败：新次数 ({n}) 必须大于当前已保存次数 ({s})",
        err_vault_max: "密码金库最多仅支持存储 50 个常用密码",
        err_pwd_len: "单个密码长度不能超过 127 个字符",

        /* --- 帮助文档 --- */
        modal_help_title: "帮助",
        help_desc: `
        <div class="pk-no-scrollbar pk-help-scroll" style="font-size:13px;line-height:1.6;color:var(--pk-fg);text-align:justify;text-justify:inter-ideograph;word-break:break-all;pointer-events:auto;display:block;">
            <div style="margin-bottom:24px;">
                <b style="font-size:14px; color:var(--pk-pri); display:inline-block; margin-bottom:4px;">✨ 体验与导航引擎</b><br>
                • <b>交互重构</b>：在官方功能基础上，界面按 <b>Windows 文件资源管理器</b> 逻辑深度重构，并支持<b>列表视图 / 网格视图一键切换</b>。<br>
                • <b>极速模式</b>：开启后接管原生逻辑，彻底解决海量文件下的卡顿与崩溃问题。<br>
                • <b>高级路径栏</b>：支持滚轮滑动，并通过下拉菜单进行同级切换与定位。全盘搜索、分析套件均集成路径栏，支持路径回显与溯源跳转。<br>
                • <b>体验增强</b>：支持星标、类型等多维排序，一键<b>模糊封面</b>、暗黑皮肤切换，并通过 <b>SWR 策略</b>静默刷新视图，尽量减少闪烁与打断感。<br>
                • <b>后台索引与保护</b>：主页蓝点闪烁表示正在同步全盘索引。系统内置并发操作物理锁，主动拦截冲突操作，降低脏数据与误操作风险。<br>
                <div style="color:var(--pk-fg); opacity:0.6; font-size:12px; margin-top:6px;">* 注：默认文件夹（My Pack）受官方保护，严防误删、复制、移动及重命名。</div>
            </div>
            <div style="margin-bottom:24px;">
                <b style="font-size:14px; color:var(--pk-pri); display:inline-block; margin-bottom:4px;">📂 批量与空间管理</b><br>
                • <b>批量重命名</b>：支持<b>正则替换/删除</b>、<b>剧集流水号</b>、文本<b>格式化</b>、<b>FC2 纯净命名</b>、<b>前缀去广告</b>及基于 MIME 的<b>后缀修复</b>。<br>
                • <b>分析套件</b>：<b>文件分析</b>整合了筛选与查重（哈希/时长/名称三模态）；<b>文件夹分析</b>整合了筛选与查重（名称/相似度/包含率三模态）；并支持导出当前目录的<b>树状列表</b>。<br>
                • <b>智能整理</b>：删除时支持<b>彻底删除</b>（跳过回收站）；一键清理空文件夹；<b>批量解压</b>集成密码自动记忆与智能填充，支持跳过并删除已解压项。<br>
                • <b>资源管理器</b>：自定义<b>文件黑名单</b>一键清理垃圾资源；或作为<b>文件白名单</b>，在批量删除时自动保护。<br>
                <div style="color:var(--pk-fg); opacity:0.6; font-size:12px; margin-top:6px;">* 注：为避免数据同步冲突，处理期间请勿在其他客户端同时改动同一批文件。</div>
            </div>
            <div style="margin-bottom:24px;">
                <b style="font-size:14px; color:var(--pk-pri); display:inline-block; margin-bottom:4px;">🌐 传输与分享中心</b><br>
                • <b>分享管理</b>：支持设定提取次数上限，次数达标后链接自动失效并取消分享。<br>
                • <b>极速上传</b>：支持将本地<b>文件 / 文件夹</b>直接拖拽到网页上传，突破官方部分交互限制，并显著降低大量小文件场景下的传输中断率。<br>
                • <b>上传残留清理</b>：脚本会在异常退出或中断上传后尝试清理残留云端“幽灵文件”，减少目录污染与重复占位。<br>
                • <b>云下载增强</b>：批量离线链接支持<b>自动去重</b>；内置<b>磁链智能清洗引擎</b>，自动抽取 Base32 / Hex 哈希去除污染字符；支持解析 <b>.torrent</b> 种子，并为受限链接提供<b>网页快照兜底方案</b>。<br>
                <div style="color:var(--pk-fg); opacity:0.6; font-size:12px; margin-top:6px;">* 注：提取次数拦截仅在网页保持开启且设备未休眠时生效。</div>
            </div>
            <div style="margin-bottom:24px;">
                <b style="font-size:14px; color:var(--pk-pri); display:inline-block; margin-bottom:4px;">🎬 沉浸式媒体增强</b><br>
                • <b>播放引擎</b>：支持 0.5x-3.0x 倍速、旋转翻转、比例切换、子母画面、从头播放、上一集/下一集、<b>跳过片头片尾</b>、<b>清单循环 / 单集循环 / 播完暂停</b>等增强控制。<br>
                • <b>兼容回退</b>：内置兼容模式与画质回退逻辑，遇到黑屏、当前清晰度不可用或编码兼容性异常时，可自动切换到可播放画质。<br>
                • <b>字幕系统</b>：支持<b>云端字幕</b>、<b>本地字幕文件</b>与<b>在线字幕搜索</b>三路加载；支持字幕显示开关、位置切换、背景透明、大小调整与毫秒级进度偏移。<br>
                • <b>外部直连</b>：支持一键唤起 <b>PotPlayer</b> 外部播放，或直接导出当前视频流链接并复制使用。<br>
                • <b>视觉辅助</b>：支持对图片或视频当前帧执行<b>以图搜图</b>，快速反查封面、演员、番剧或素材来源。<br>
                <div style="color:var(--pk-fg); opacity:0.6; font-size:12px; margin-top:6px;">* 注：播放历史列表持续记录在脚本环境内产生的播放进度。</div>
            </div>
            <div style="margin-bottom:12px;">
                <b style="font-size:14px; color:var(--pk-pri); display:inline-block; margin-bottom:4px;">⚙️ 配置与数据管理</b><br>
                • <b>配置备份</b>：支持将偏好设置、管理规则、密码金库等导出为带数字指纹的 JSON 备份文件；导入时支持<b>智能合并去重</b>，避免重复覆盖。<br>
                • <b>数据清理</b>：支持按需清除<b>全盘索引</b>、<b>偏好设置</b>、<b>管理规则</b>、<b>密码金库</b>与<b>缓存</b>，释放本地空间并提升隐私安全。<br>
                • <b>密码金库</b>：内置常用解压密码集中管理，供批量解压场景自动调用与快速填充。<br>
                • <b>数据迁移</b>：支持将选中项目加密打包，通过自动接管机制在其他账号登录后直接识别并转存，实现数据跨账号无缝迁移。<br>
                <div style="color:var(--pk-fg); opacity:0.6; font-size:12px; margin-top:6px;">* 注：全盘索引会在网页关闭后清空；偏好设置、管理规则与密码金库等数据则会持久化保存。</div>
            </div>
            <div style="margin-bottom:24px;">
                <b style="font-size:14px; color:var(--pk-pri); display:inline-block; margin-bottom:4px;">⚡ 下载与分发</b><br>
                • <b>外部下载</b>：支持通过 RPC 协议将文件一键推送到 <b>Aria2 / Motrix</b> 等下载节点，并可实时检测连接状态。<br>
                • <b>目录结构还原</b>：RPC 推送整个文件夹时可自动恢复云盘中的<b>树状目录结构</b>，避免扁平化后难以整理。<br>
                • <b>分发增强</b>：支持<b>长连接监控</b>、失败后自动导出错误清单，并支持<b>文件夹下载过滤</b>，便于大批量任务精细化下发。<br>
            </div>
            <div style="margin-top:16px; color:#d93025; font-weight:bold; text-align:center; font-size:11px; border-top:1px dashed rgba(217,48,37,0.2); padding-top:12px; letter-spacing:0.5px; opacity:0.9;">
                本项目严格遵循 CC-BY-NC-SA-4.0 协议，严禁用于任何商业用途
            </div>
        </div>`
    },
};

function getStrings() {
    const lang = getLang();
    const base = T_LOCAL.zh || {};
    const local = T_LOCAL[lang] || {};
    const remote = pkRemoteI18n && pkRemoteI18n.lang === lang ? pkRemoteI18n.data : null;
    return mergeI18nPack(mergeI18nPack(base, remote), local);
};

ensureI18nReady();

let cachedCredKey = null;
let cachedCaptchaKey = null;
let memoryCapturedToken = '';

document.addEventListener('pk-token-captured', (e) => {
    memoryCapturedToken = e.detail;
});

function resetHeaderCache() {
    cachedCredKey = null;
    cachedCaptchaKey = null;
    memoryCapturedToken = '';
}

function purgeAllCachesOnLogout() {
    resetHeaderCache();
    if (typeof globalCache !== 'undefined') globalCache.clear();
    if (typeof globalLineageMap !== 'undefined') globalLineageMap.clear();
    if (typeof globalParentIndex !== 'undefined') globalParentIndex.clear();
    if (typeof globalDirtyFolders !== 'undefined') globalDirtyFolders.clear();
    if (typeof scannedFolderIds !== 'undefined') scannedFolderIds.clear();
    if (typeof backgroundQueue !== 'undefined') backgroundQueue.length = 0;
    if (typeof isBackgroundRunning !== 'undefined') isBackgroundRunning = false;
    if (typeof DurationProber !== 'undefined') DurationProber.reset();

    const ui = document.querySelector('.pk-ov');
    if (ui) {
        ui.remove();
        document.body.style.overflow = '';
        document.documentElement.style.overflow = '';
    }

    const btn = document.getElementById('pk-launch');
    if (btn) btn.remove();

    if (typeof pkState !== 'undefined' && pkState) pkState = null;
    if (typeof globalSavedState !== 'undefined') globalSavedState = null;
    if (typeof globalPreloadPromise !== 'undefined') globalPreloadPromise = null;
}

async function confirmedLogout(reason = 'unknown', graceMs = 5000, waitMs = 5200) {
    console.warn(`[Auth] Confirmed logout requested: ${reason}`);

    if (typeof window.pkEnterAuthRecoveryWindow === 'function') {
        window.pkEnterAuthRecoveryWindow(`confirmed-logout:${reason}`, graceMs);
    }

    await sleep(800);

    const isAuthReady = await waitForAuth(waitMs);
    if (isAuthReady) {
        console.warn(`[Auth] Logout aborted, auth recovered: ${reason}`);
        if (typeof window.pkMarkAuthRecovered === 'function') window.pkMarkAuthRecovered();
        return false;
    }

    console.warn(`[Auth] Logout confirmed after recheck: ${reason}`);
    if (typeof purgeAllCachesOnLogout === 'function') purgeAllCachesOnLogout();
    if (!location.href.includes('/login')) window.location.href = 'https://mypikpak.com/drive/login';
    return true;
}

(() => {
    let authCheckTimer = null;
    let authRouteGraceTimer = null;
    let authRecoveryUntil = 0;
    let pageHiddenAt = document.hidden ? Date.now() : 0;
    const AUTH_PURGE_DELAY_MS = 1200;
    const AUTH_ROUTE_GRACE_MS = 4000;
    const AUTH_RESUME_GRACE_MS = 5000;
    const AUTH_RESUME_MIN_HIDDEN_MS = 45000;

    const isLoginRoute = () => location.href.includes('/login') || location.pathname.includes('login');

    const hasCredentialSnapshot = () => {
        if (memoryCapturedToken && memoryCapturedToken.length > 10) return true;
        for (let i = 0; i < localStorage.length; i++) {
            const k = localStorage.key(i);
            if (k && k.startsWith('credentials')) {
                try {
                    const v = JSON.parse(localStorage.getItem(k));
                    if (v && v.access_token) return true;
                } catch {}
            }
        }
        return false;
    };

    const markAuthRecovered = () => {
        authRecoveryUntil = 0;
        if (authRouteGraceTimer) {
            clearTimeout(authRouteGraceTimer);
            authRouteGraceTimer = null;
        }
    };

    const enterAuthRecoveryWindow = (reason = 'unknown', graceMs = AUTH_ROUTE_GRACE_MS) => {
        authRecoveryUntil = Math.max(authRecoveryUntil, Date.now() + graceMs);
        if (authRouteGraceTimer) clearTimeout(authRouteGraceTimer);
        authRouteGraceTimer = setTimeout(() => {
            authRouteGraceTimer = null;
            if (isLoginRoute() && !hasCredentialSnapshot()) {
                console.log(`[Auth Sync] Recovery grace expired (${reason}), auth still missing.`);
                checkAndPurgeAuth(`grace-expired:${reason}`);
            } else {
                console.log(`[Auth Sync] Recovery grace ended (${reason}), auth restored.`);
                markAuthRecovered();
            }
        }, graceMs + 50);
    };

    const checkAndPurgeAuth = (reason = 'unknown') => {
        if (authCheckTimer) clearTimeout(authCheckTimer);
        const extraWait = authRecoveryUntil > Date.now() ? (authRecoveryUntil - Date.now() + 50) : 0;
        authCheckTimer = setTimeout(() => {
            if (hasCredentialSnapshot()) {
                console.log(`[Auth Sync] Auth recovered before purge (${reason}).`);
                markAuthRecovered();
                return;
            }
            console.log(`[Auth Sync] No credentials found after delay (${reason}), executing deep purge.`);
            if (typeof purgeAllCachesOnLogout === 'function') purgeAllCachesOnLogout();
            if (!isLoginRoute()) window.location.href = 'https://mypikpak.com/drive/login';
        }, Math.max(AUTH_PURGE_DELAY_MS, extraWait));
    };

    const handlePageResume = (reason = 'resume') => {
        const hiddenFor = pageHiddenAt ? (Date.now() - pageHiddenAt) : 0;
        pageHiddenAt = 0;
        if (hiddenFor < AUTH_RESUME_MIN_HIDDEN_MS && reason !== 'pageshow-bfcache') return;
        console.log(`[Auth Sync] Page resumed (${reason}, hidden ${hiddenFor}ms), entering recovery grace.`);
        enterAuthRecoveryWindow(`resume:${reason}`, AUTH_RESUME_GRACE_MS);
        checkAndPurgeAuth(`resume:${reason}`);
    };

    document.addEventListener('pk-token-captured', () => {
        const wasRecovering = authRecoveryUntil > Date.now();
        markAuthRecovered();
        if (wasRecovering && typeof window.pkForceManagerReloadAfterAuth === 'function') {
            window.pkForceManagerReloadAfterAuth('token-captured');
        }
    });

    document.addEventListener('visibilitychange', () => {
        if (document.hidden) {
            pageHiddenAt = Date.now();
            return;
        }
        handlePageResume('visibility');
    });

    window.addEventListener('pageshow', (e) => {
        if (e.persisted) {
            handlePageResume('pageshow-bfcache');
            return;
        }
        if (pageHiddenAt) handlePageResume('pageshow');
    });

    window.addEventListener('focus', () => {
        if (pageHiddenAt) handlePageResume('focus');
    });

    window.addEventListener('storage', (e) => {
        if (e.key && (e.key.startsWith('credentials') || e.key.startsWith('captcha') || e.key === 'pk_captured_captcha')) {
            console.log(`[Auth Sync] Token storage change detected (${e.key}), flushing auth cache.`);
            if (!e.newValue) {
                enterAuthRecoveryWindow(`storage-remove:${e.key}`);
                checkAndPurgeAuth(`storage-remove:${e.key}`);
            } else {
                resetHeaderCache();
                markAuthRecovered();
            }
        }
    });

    const _origSetItem = Storage.prototype.setItem;
    Storage.prototype.setItem = function(key, value) {
        _origSetItem.apply(this, arguments);
        if (key && (key.startsWith('credentials') || key.startsWith('captcha') || key === 'pk_captured_captcha')) {
            resetHeaderCache();
            markAuthRecovered();
        }
    };

    const _origRemoveItem = Storage.prototype.removeItem;
    Storage.prototype.removeItem = function(key) {
        _origRemoveItem.apply(this, arguments);
        if (key && (key.startsWith('credentials') || key.startsWith('captcha'))) {
            console.log(`[Auth Sync] Local credential removed (${key}), entering recovery grace.`);
            enterAuthRecoveryWindow(`remove:${key}`);
            checkAndPurgeAuth(`remove:${key}`);
        }
    };

    const checkAuthRoute = () => {
        if (isLoginRoute()) {
            console.log(`[Auth Sync] SPA route changed to /login, entering recovery grace.`);
            enterAuthRecoveryWindow('route-login');
            checkAndPurgeAuth('route-login');
        } else {
            markAuthRecovered();
        }
    };

    const _origPushState = history.pushState;
    history.pushState = function() {
        _origPushState.apply(this, arguments);
        checkAuthRoute();
    };

    const _origReplaceState = history.replaceState;
    history.replaceState = function() {
        _origReplaceState.apply(this, arguments);
        checkAuthRoute();
    };

    window.pkEnterAuthRecoveryWindow = enterAuthRecoveryWindow;
    window.pkMarkAuthRecovered = markAuthRecovered;
    window.pkIsAuthRecoveryActive = () => authRecoveryUntil > Date.now();

    window.addEventListener('popstate', checkAuthRoute);
})();

function getHeaders() {
    const recoveryActive = typeof window.pkIsAuthRecoveryActive === 'function' && window.pkIsAuthRecoveryActive();
    let token = memoryCapturedToken || '', captcha = '';

    if (recoveryActive) {
        cachedCredKey = null;
        cachedCaptchaKey = null;
    }

    if (!token && cachedCredKey) {
        try {
            const v = JSON.parse(localStorage.getItem(cachedCredKey));
            if (v && v.access_token) token = v.token_type + ' ' + v.access_token;
        } catch {}
    }

    if (!token) {
        for (let i = 0; i < localStorage.length; i++) {
            const k = localStorage.key(i);
            if (k && k.startsWith('credentials')) {
                try {
                    const v = JSON.parse(localStorage.getItem(k));
                    if (v && v.access_token) {
                        token = v.token_type + ' ' + v.access_token;
                        cachedCredKey = k;
                        break;
                    }
                } catch {}
            }
        }
    }

    if (cachedCaptchaKey) {
        try {
            const v = JSON.parse(localStorage.getItem(cachedCaptchaKey));
            if (v) captcha = v.captcha_token;
        } catch {}
    }
    if (!captcha) {
        captcha = localStorage.getItem('pk_captured_captcha') || '';
        if (!captcha) {
            for (let i = 0; i < localStorage.length; i++) {
                const k = localStorage.key(i);
                if (k && k.startsWith('captcha')) {
                    try {
                        const v = JSON.parse(localStorage.getItem(k));
                        if (v) {
                            captcha = v.captcha_token;
                            cachedCaptchaKey = k;
                            break;
                        }
                    } catch {}
                }
            }
        }
    }

    const headers = { 'Content-Type': 'application/json', 'Authorization': token, 'x-device-id': localStorage.getItem('deviceid') || '', 'x-captcha-token': captcha };

    if (headers.Authorization && headers.Authorization.length > 10 && typeof window.pkMarkAuthRecovered === 'function') {
        window.pkMarkAuthRecovered();
    }

    return headers;
}

async function waitForAuth(timeout = 10000) {
    const start = Date.now();
    let probeCount = 0;
    let hardTimeout = timeout + ((typeof window.pkIsAuthRecoveryActive === 'function' && window.pkIsAuthRecoveryActive()) ? 3000 : 0);

    while (Date.now() - start < hardTimeout) {
        const h = getHeaders();
        if (h.Authorization && h.Authorization.length > 10) {
            if (typeof window.pkMarkAuthRecovered === 'function') window.pkMarkAuthRecovered();
            return true;
        }

        if ((probeCount++ % 5) === 0 && typeof resetHeaderCache === 'function') {
            resetHeaderCache();
        }

        if (typeof window.pkIsAuthRecoveryActive === 'function' && window.pkIsAuthRecoveryActive()) {
            hardTimeout = Math.max(hardTimeout, timeout + 3000);
        }

        await sleep((typeof window.pkIsAuthRecoveryActive === 'function' && window.pkIsAuthRecoveryActive()) ? 250 : 200);
    }

    return false;
}

async function apiList(parentId, limit = 1000, onProgress, signal, trashed = false, isBackground = false) {
    let all = [], next = null, safe = 5000;
    const TIMEOUT_MS = 25000;
    const filters = trashed ? `&filters=${encodeURIComponent('{"trashed":{"eq":true}}')}&parent_id=*` : `&parent_id=${parentId || ''}`;

    do {
        let pageRetries = 0;
        const MAX_PAGE_RETRIES = 5;
        let pageSuccess = false;

        while (pageRetries < MAX_PAGE_RETRIES && !pageSuccess) {
            if (signal?.aborted) throw new DOMException('Aborted by user', 'AbortError');

            const url = `https://api-drive.mypikpak.com/drive/v1/files?thumbnail_size=SIZE_MEDIUM&limit=${limit}${filters}&with_audit=true&_t=${Date.now()}${next ? `&page_token=${next}` : ''}`;
            const controller = new AbortController();
            const timeoutId = setTimeout(() => controller.abort(), TIMEOUT_MS);
            if (signal) signal.addEventListener('abort', () => controller.abort(), { once: true });

            try {
                const res = await fetch(url, { headers: getHeaders(), signal: controller.signal });
                clearTimeout(timeoutId);

                if (!res.ok) {
                    if (res.status === 404) {
                        console.warn(`[API] 404 Not Found (Skipped): ${parentId || 'Root'}`);
                        return [];
                    }

                    if (res.status === 401 || res.status === 403) {
                        console.warn(`[API] ${res.status} Unauthorized. Throwing hard auth error...`);
                        localStorage.removeItem('pk_captured_captcha');
                        resetHeaderCache();
                        throw new Error(`API Error ${res.status}`);
                    }

                    if (res.status === 400) {
                        console.warn(`[API] 400 Error. Possible captcha intercept.`);
                        localStorage.removeItem('pk_captured_captcha');
                        resetHeaderCache();
                        try { if (typeof showToast !== 'undefined') showToast(getStrings().err_captcha_simple, 'error'); } catch(e){}
                        throw new Error('CAPTCHA_INTERCEPT');
                    }
                    if (res.status === 429) {
                        await sleep(3000 * (pageRetries + 1));
                        throw new Error('RATE_LIMIT');
                    }
                    throw new Error(`HTTP_${res.status}`);
                }

                syncTime(res.headers);

                const data = await res.json();

                if (!data.files && data.next_page_token) {
                    throw new Error('PAGINATION_INCOMPLETE');
                }

                if (data.files) {
                    const validFiles = data.files.filter(f => trashed ? f.trashed : !f.trashed).map(f => minifyFile(f, isBackground));
                    all.push(...validFiles);
                    if (onProgress) onProgress(all.length);

                    if (isBackground && parentId !== undefined && typeof globalCache !== 'undefined') {
                        globalCache.set(parentId, { items: [...all], nextToken: data.next_page_token });
                    }
                }

                next = data.next_page_token;
                pageSuccess = true;
                if (next) await sleep(50);

            } catch (e) {
                clearTimeout(timeoutId);
                pageRetries++;
                safe--;

                let isTimeout = false;
                let errMsg = e.message;
                if (e.name === 'AbortError' && !(signal && signal.aborted)) {
                    isTimeout = true;
                    e = new Error('FETCH_TIMEOUT');
                    errMsg = 'Local Timeout';
                }

                const isNetworkError = e.name === 'TypeError' || errMsg.includes('fetch') || errMsg.includes('PAGINATION') || isTimeout;

                if ((isNetworkError || errMsg === 'AUTH_RETRY') && safe > 0) {
                    const backoff = pageRetries === 1 ? 500 : Math.min(pageRetries * 2000, 10000);
                    console.warn(`[API] Retry ${pageRetries}/${MAX_PAGE_RETRIES} for ${parentId || 'Root'} due to ${errMsg}. Wait ${backoff}ms`);
                    await sleep(backoff);
                    continue;
                }
                throw e;
            }
        }
    } while (next && safe > 0);

    return all;
}

async function apiGet(id) {
    const res = await fetch(`https://api-drive.mypikpak.com/drive/v1/files/${id}?thumbnail_size=SIZE_MEDIUM&_t=${Date.now()}`, { headers: getHeaders() });
    if (!res.ok) throw new Error(`API Error ${res.status}`);
    return res.json();
}

async function apiAction(action, data) {
    const method = action.includes('batch') ? 'POST' : 'PATCH';
    const res = await fetch(`https://api-drive.mypikpak.com/drive/v1/files${action}`, { method: method, headers: getHeaders(), body: JSON.stringify(data) });

    syncTime(res.headers);

    if (!res.ok) {
        const err = await res.json().catch(() => ({}));
        throw new Error(err.error_description || `API Error ${res.status}`);
    }
    return res.json();
};

async function apiStar(ids, star = true) {
    const action = star ? 'star' : 'unstar';
    const url = `https://api-drive.mypikpak.com/drive/v1/files:${action}`;
    const res = await fetch(url, {
        method: 'POST',
        headers: getHeaders(),
        body: JSON.stringify({ "ids": ids })
    });

    syncTime(res.headers);

    if (!res.ok) throw new Error(`API Error ${res.status}`);
    return true;
}

async function apiShareList(limit = 100) {
    let all =[], next = null, safe = 50;
    do {
        const url = `https://api-drive.mypikpak.com/drive/v1/share/list?limit=${limit}&thumbnail_size=SIZE_SMALL&_t=${Date.now()}${next ? `&page_token=${next}` : ''}`;
        const res = await fetch(url, { headers: getHeaders() });
        if (!res.ok) throw new Error(`Share API Error ${res.status}`);
        const json = await res.json();
        const list = json.data || [];
        const normalized = list.map(item => ({
            id: item.share_id,
            kind: 'pikpak#share',
            name: item.title,
            size: item.file_size,
            modified_time: item.create_time,
            icon_link: item.icon_link,
            view_count: item.view_count,
            save_count: item.restore_count,
            limit_count: (function(){
                const store = JSON.parse(gmGet('pk_share_limits', '{}'));
                return store[item.share_id] || parseInt(item.limit_count || 0);
            })(),
            share_status: item.share_status,
            share_status_text: item.share_status_text,
            expiration_days: item.expiration_days,
            expiration_left: item.expiration_left,
            expiration_at: item.expiration_at,
            phrase: item.phrase || "",
            share_url: item.share_url,
            pass_code: item.pass_code,
            parent_id: 'share_root'
        }));

        all.push(...normalized);

        if (!next) {
            const graveyard = JSON.parse(gmGet('pk_expired_shares', '[]'));
            const serverIds = new Set(all.map(x => x.id));
            const phantoms = graveyard.filter(x => !serverIds.has(x.id));
            all.push(...phantoms);
        }

        next = json.next_page_token;
        safe--;
    } while (next && safe > 0);
    const graveyard = JSON.parse(gmGet("pk_expired_shares", "[]"));
    const graveyardIds = new Set(graveyard.map(x => x.id));
    const filteredServerList = all.filter(it => !graveyardIds.has(it.id));
    return [...filteredServerList, ...graveyard];
}

async function apiTaskList(limit = 500, onBatch = null, session = null, signal = null) {
    let totalFetched = 0;
    const state = session || { phase: 'active', nextToken: null, completed: false };

    const fetchList = async (phases, maxCount, startToken = null) => {
        let next = startToken;
        let page = 0;
        const maxPages = 100;

        do {
            if (signal && signal.aborted) break;

            const filters = encodeURIComponent(JSON.stringify({ "phase": { "in": phases } }));
            const url = `https://api-drive.mypikpak.com/drive/v1/tasks?type=offline&limit=${limit}&filters=${filters}&thumbnail_size=SIZE_SMALL&with_reference_resource=true&_t=${Date.now()}${next ? `&page_token=${next}` : ''}`;

            let res = null;
            for (let i = 0; i < 3; i++) {
                try {
                    res = await fetch(url, { headers: getHeaders() });
                    if (res.ok) break;
                    if (res.status === 401 || res.status === 403) throw new Error(`API Error ${res.status}`);
                    if (res.status === 429) await sleep(2000);
                } catch (e) {
                    if (e.message.includes('401') || e.message.includes('403')) throw e;
                    await sleep(1000);
                }
            }

            if (!res || !res.ok) break;

            const data = await res.json();
            const tasks = data.tasks || [];

            if (tasks.length > 0) {
                state.nextToken = data.next_page_token;

                if (onBatch) onBatch(tasks, data.next_page_token, phases.includes('COMPLETE') ? 'done' : 'active');
                totalFetched += tasks.length;
            }

            next = data.next_page_token;
            page++;

            if (totalFetched >= maxCount || page >= maxPages) break;
            if (next) await sleep(50);
        } while (next);

        return next;
    };

    if (state.phase === 'active') {
        const activePhases = "PHASE_TYPE_UNKNOW,PHASE_TYPE_PENDING,PHASE_TYPE_RUNNING,PHASE_TYPE_PAUSED,PHASE_TYPE_ERROR";
        const lastToken = await fetchList(activePhases, 2000, state.nextToken);

        if (!lastToken) {
            state.phase = 'done';
            state.nextToken = null;
        } else {
            return totalFetched;
        }
    }

    if (state.phase === 'done') {
        const donePhases = "PHASE_TYPE_COMPLETE";
        const lastToken = await fetchList(donePhases, 15000, state.nextToken);

        if (!lastToken) {
            state.completed = true;
            state.nextToken = null;
        }
    }

    return totalFetched;
}

async function apiCancelTask(ids, deleteFiles = false) {
    let filesToDelete = [];
    if (deleteFiles && typeof pkState !== 'undefined' && pkState.itemMap) {
        ids.forEach(taskId => {
            const task = pkState.itemMap.get(taskId);
            if (task && task.id === taskId && task.file_id) {
                filesToDelete.push(task.file_id);
            }
        });
    }

    const BATCH_SIZE = 50;
    for (let i = 0; i < ids.length; i += BATCH_SIZE) {
        const chunk = ids.slice(i, i + BATCH_SIZE);
        const idStr = chunk.join(',');
        const url = `https://api-drive.mypikpak.com/drive/v1/tasks?task_ids=${idStr}&delete_files=${deleteFiles}&_t=${Date.now()}`;

        try {
            const res = await fetch(url, { method: 'DELETE', headers: getHeaders() });
            if (!res.ok && res.status !== 404) throw new Error(`Task Del Err ${res.status}`);
        } catch(e) {
            console.warn("Task delete warning:", e);
        }
    }

    if (filesToDelete.length > 0) {
        console.log(`[Task] Also deleting ${filesToDelete.length} associated files...`);
        const trashUrl = `https://api-drive.mypikpak.com/drive/v1/files:batchTrash`;
        for (let i = 0; i < filesToDelete.length; i += 100) {
            const fileChunk = filesToDelete.slice(i, i + 100);
            await fetch(trashUrl, {
                method: 'POST',
                headers: getHeaders(),
                body: JSON.stringify({ ids: fileChunk })
            });
        }
    }

    return true;
}

async function apiAddOfflineTask(url, parentId = '', extraParams = {}) {
    const apiUrl = `https://api-drive.mypikpak.com/drive/v1/files`;

    const payload = {
        kind: "drive#file",
        upload_type: "UPLOAD_TYPE_URL",
        url: { "url": url },
        params: { from: 'manual', with_thumbnail: 'true', ...extraParams }
    };

    if (parentId) {
        payload.parent_id = parentId;
    } else {
        payload.folder_type = 'DOWNLOAD';
    }

    const res = await fetch(apiUrl, {
        method: 'POST',
        headers: getHeaders(),
        body: JSON.stringify(payload)
    });

    if (!res.ok) {
        const err = await res.json().catch(() => ({}));
        if (res.status === 400 && err.error_code === 9) throw new Error(getStrings().err_task_exists);
        throw new Error(err.error_description || `Add Task Error ${res.status}`);
    }
    return await res.json();
}

async function apiGetSharePhrases(shareId) {
    const url = `https://api-drive.mypikpak.com/phrase/v1/content/info/share?id=${shareId}`;
    const res = await fetch(url, { headers: getHeaders() });
    if (!res.ok) return [];
    const json = await res.json();
    return (json.data || []).map(x => x.phrase);
}

async function apiUpdateSharePhrase(shareId, newPhrase, oldPhrase = "") {
    const url = `https://api-drive.mypikpak.com/phrase/v1/content/share`;
    const isDelete = newPhrase === "";
    const isCreate = !oldPhrase && !isDelete;

    const payload = { content: shareId, type: "share" };
    if (isCreate) {
        payload.phrase = newPhrase;
    } else {
        payload.old_phrase = oldPhrase;
        payload.new_phrase = newPhrase;
    }

    const res = await fetch(url, {
        method: isCreate ? 'POST' : 'PATCH',
        headers: getHeaders(),
        body: JSON.stringify(payload)
    });

    if (!res.ok) {
        const err = await res.json().catch(() => ({}));
        if (res.status === 400) throw new Error(getStrings().err_share_code_exists);
        throw new Error(err.error_description || `API Error ${res.status}`);
    }
    return res.json();
}

async function apiUpdateShare(shareId, data) {
    const url = `https://api-drive.mypikpak.com/drive/v1/share`;
    const payload = { share_id: shareId, ...data };

    const res = await fetch(url, {
        method: 'PATCH',
        headers: getHeaders(),
        body: JSON.stringify(payload)
    });
    syncTime(res.headers);

    if (!res.ok) {
        const err = await res.json().catch(()=>({}));
        throw new Error(err.error_description || `API Error ${res.status}`);
    }
    return await res.json();
}

async function apiCancelShare(ids) {
    const url = `https://api-drive.mypikpak.com/drive/v1/share:batchDelete`;
    const res = await fetch(url, {
        method: 'POST',
        headers: getHeaders(),
        body: JSON.stringify({ ids: ids })
    });

    if (!res.ok) {
        console.warn("[Share] Batch delete failed, trying sequential delete...");
        for (const id of ids) {
            await fetch(`https://api-drive.mypikpak.com/drive/v1/share/${id}`, {
                method: 'DELETE',
                headers: getHeaders()
            });
        }
        return true;
    }
    return true;
}

// Original Logic by digbug82. Modification does not grant ownership.
async function coreRecursiveEngine(roots, options) {
    const { signal, onFile, onFolder, onProgress, preferFresh = false } = options;
    const L = getStrings();

    let queue = [...roots];
    let activeTasks = new Set();
    let inFlight = new Set();
    let pendingRetries = 0;

    const stats = {
        folders: 0,
        files: 0,
        retries: 0,
        cacheHits: 0,
        currentConcurrency: 10
    };

    const USER_LIMIT = parseInt(localStorage.getItem('pk_user_limit') || "200");
    const ABSOLUTE_MAX = 128;
    const MIN_CONCURRENCY = 5;

    const processFolder = async (current) => {
        inFlight.add(current.id);
        try {
            let files = [];
            const folderId = current.id === 'root' ? '' : (current.id || '');

            if (!preferFresh && typeof globalCache !== 'undefined' && globalCache.has(folderId)) {
                const cachedData = globalCache.get(folderId);
                if (Array.isArray(cachedData)) {
                    files = cachedData;
                    stats.cacheHits++;
                }
            }

            let isFromNetwork = false;
            let start = 0;
            if (files.length === 0) {
                start = performance.now();
                files = await apiList(folderId, 1000, null, signal, false, true);
                isFromNetwork = true;
                if (typeof globalCache !== 'undefined') globalCache.set(folderId, files);
                if (typeof scannedFolderIds !== 'undefined') scannedFolderIds.add(folderId);
            }

            if (signal && signal.aborted) return;

            const nextSubFolders = [];
            for (const f of files) {
                if (f.kind === 'drive#folder') {
                    const myLineage = [...(current.lineage || []), { id: f.id, name: f.name }];
                    nextSubFolders.push({
                        ...f,
                        lineage: myLineage,
                        depth: (current.depth || 0) + 1,
                        retryCount: 0
                    });
                } else {
                    stats.files++;
                    if (onFile) onFile(f, current);
                }
            }

            if (onFolder) onFolder(current, files, nextSubFolders);
            queue.push(...nextSubFolders);
            stats.folders++;

            if (isFromNetwork) {
                const rtt = performance.now() - start;
                const DYNAMIC_MAX = Math.min(USER_LIMIT, ABSOLUTE_MAX);

                if (rtt < 800) {
                    if (stats.currentConcurrency < DYNAMIC_MAX) stats.currentConcurrency += 1;
                } else if (rtt > 3000) {
                    stats.currentConcurrency = Math.max(MIN_CONCURRENCY, Math.floor(stats.currentConcurrency * 0.8));
                }
            }

        } catch (err) {
            if (err.name === 'AbortError' || (signal && signal.aborted)) return;

            stats.currentConcurrency = Math.max(MIN_CONCURRENCY, Math.floor(stats.currentConcurrency * 0.5));
            stats.retries++;
            current.retryCount = (current.retryCount || 0) + 1;

            pendingRetries++;
            try {
                const backoff = current.retryCount === 1 ? 1000 : Math.min(current.retryCount * 5000, 60000);
                const reason = err.message || "Unknown Error";
                console.warn(`[ZeroLoss] Folder: ${current.name} | Reason: ${reason} | Attempt: ${current.retryCount} | Re-queueing...`);
                stats.isRetrying = true;
                if (onProgress) onProgress(stats);

                await sleep(backoff);
                if (signal && !signal.aborted) {
                    queue.unshift(current);
                }
            } finally {
                stats.isRetrying = false;
                pendingRetries--;
            }
        } finally {
            inFlight.delete(current.id);
            if (onProgress) onProgress(stats);
        }
    };
    while ((queue.length > 0 || inFlight.size > 0 || pendingRetries > 0) && (!signal || !signal.aborted)) {

        while (queue.length > 0 && activeTasks.size < stats.currentConcurrency && (!signal || !signal.aborted)) {
            const folder = queue.pop();

            if (inFlight.has(folder.id) && folder.retryCount === 0) continue;

            const p = processFolder(folder);
            const pWrapper = p.finally(() => activeTasks.delete(pWrapper));
            activeTasks.add(pWrapper);
        }

        if (activeTasks.size > 0) {
            await Promise.race(activeTasks).catch(() => {});
        } else if (pendingRetries > 0 || inFlight.size > 0) {
            await sleep(100);
        }
    }
}

const version = (typeof GM_info !== 'undefined' && GM_info.script) ? GM_info.script.version : "1.0.0";

console.log("%c PikPak Enhancement Master %c v" + version + " %c digbug82 %c CC-BY-NC-SA-4.0 ",
    "color:#fff; background:#1a5eff; padding:3px 0; border-radius:4px 0 0 4px; font-weight:bold;",
    "color:#fff; background:#333; padding:3px 8px;",
    "color:#fff; background:#f57c00; padding:3px 8px; font-weight:bold;",
    "color:#fff; background:#d93025; padding:3px 8px; border-radius:0 4px 4px 0; font-weight:bold;");
console.log("%c" + getStrings().msg_console_legal + "%c", "color:#d93025; font-weight:bold;", "");

function getIcon(item) {
    const isFolder = item.kind === 'drive#folder' ||
                    (item.kind === 'drive#task' && (
                        (item.mime_type && item.mime_type.includes('folder')) ||
                        (item.icon_link && item.icon_link.includes('folder'))
                    ));

    if (isFolder) {
        const isRootMyPack = (item.name === CONF.SYSTEM_FOLDER_NAME) && (!item.parent_id || item.parent_id === '' || item.parent_id === 'root' || item._isSystemRoot);
        if (isRootMyPack) return CONF.typeIcons.systemFolder;
        return CONF.typeIcons.folder;
    }

    const name = (item.name || '').toLowerCase();
    const ext = name.split('.').pop();
    const mime = (item.mime_type || '').toLowerCase();
    const duration = (item.params && item.params.duration) || 0;

    if (ext === 'apk') return CONF.typeIcons.apk;
    if (ext === 'txt') return CONF.typeIcons.text;
    if (ext === 'html' || ext === 'htm') return CONF.typeIcons.web;
    if (['srt', 'vtt', 'ass', 'ssa'].includes(ext)) return CONF.typeIcons.subtitle;
    if (['exe', 'msi', 'bat', 'cmd', 'elf', 'dmg', 'pkg', 'app'].includes(ext)) return CONF.typeIcons.executable;

    const isArchiveExt = ['zip', 'rar', '7z', 'tar', 'gz', 'bz2', 'xz', 'iso'].includes(ext);
    if (mime.startsWith('video/') || duration > 0) return CONF.typeIcons.video;
    if (mime.startsWith('image/')) return CONF.typeIcons.image;
    if (mime.startsWith('audio/')) return CONF.typeIcons.audio;
    if (mime === 'application/pdf') return CONF.typeIcons.pdf;
    if (mime.startsWith('text/') || mime.includes('word') || mime.includes('excel') || mime.includes('powerpoint') || mime.includes('officedocument') || mime === 'application/rtf') return CONF.typeIcons.text;

    if (isArchiveExt || mime.includes('zip') || mime.includes('rar') || mime.includes('7z') || mime.includes('tar') || mime.includes('archive') || mime.includes('compressed')) {
        const isUnzipped = item.params && (item.params.global_file_kind === '1' || item.params.global_file_root);
        return isUnzipped ? CONF.typeIcons.archiveUnzipped : CONF.typeIcons.archive;
    }

    return CONF.typeIcons.file;
}

async function openManager(initialCache, preloadPromise) {
    const L = getStrings();
    const lang = getLang();

    function normalizeAriaRpcUrl(url) {
        let u = (url || '').trim();
        if (!u) u = 'http://localhost:6800/jsonrpc';
        if (!/^https?:\/\//i.test(u) && !/^wss?:\/\//i.test(u)) u = 'http://' + u;
        if (!u.includes('/jsonrpc') && !u.includes('?')) {
            u = u.endsWith('/') ? u + 'jsonrpc' : u + '/jsonrpc';
        }
        return u;
    }

    function buildAriaRpcParams(token, params = []) {
        const t = (token || '').trim();
        return t ? [`token:${t}`, ...params] : params;
    }

    function isAriaWsRpcUrl(url) {
        return /^wss?:\/\//i.test(url || '');
    }

    function getAriaRpcError(data) {
        const list = Array.isArray(data) ? data : [data];
        const hit = list.find(x => x && x.error);
        if (!hit) return null;
        const err = hit.error || {};
        return new Error(err.message || `RPC ${err.code || 'Error'}`);
    }

    function aria2RpcHttpRequest(url, payload, timeout = 5000) {
        return new Promise((resolveReq, rejectReq) => {
            GM_xmlhttpRequest({
                method: 'POST',
                url,
                data: JSON.stringify(payload),
                headers: { 'Content-Type': 'application/json' },
                timeout,
                onload: (r) => {
                    if (r.status !== 200) {
                        rejectReq(new Error('HTTP ' + r.status));
                        return;
                    }
                    try {
                        const data = r.responseText ? JSON.parse(r.responseText) : null;
                        const rpcErr = getAriaRpcError(data);
                        if (rpcErr) rejectReq(rpcErr);
                        else resolveReq(data);
                    } catch (e) {
                        rejectReq(new Error('Invalid JSON'));
                    }
                },
                onerror: () => rejectReq(new Error('Network Error')),
                ontimeout: () => rejectReq(new Error('Timeout'))
            });
        });
    }

    function aria2RpcWsRequest(url, payload, timeout = 5000) {
        return new Promise((resolveReq, rejectReq) => {
            let ws = null;
            let settled = false;
            const requests = Array.isArray(payload) ? payload : [payload];
            const pending = new Set(requests.map(req => String(req.id)));
            const results = [];

            const finish = (ok, value) => {
                if (settled) return;
                settled = true;
                clearTimeout(timer);
                try {
                    if (ws && ws.readyState <= 1) ws.close();
                } catch (e) {}
                ok ? resolveReq(value) : rejectReq(value);
            };

            const timer = setTimeout(() => finish(false, new Error('Timeout')), timeout);

            try {
                ws = new WebSocket(url);
            } catch (e) {
                finish(false, e);
                return;
            }

            ws.onopen = () => {
                try {
                    requests.forEach(req => ws.send(JSON.stringify(req)));
                } catch (e) {
                    finish(false, e);
                }
            };

            ws.onmessage = (ev) => {
                try {
                    const data = JSON.parse(ev.data);
                    const list = Array.isArray(data) ? data : [data];
                    const rpcErr = getAriaRpcError(list);
                    if (rpcErr) {
                        finish(false, rpcErr);
                        return;
                    }

                    list.forEach(item => {
                        if (!item || item.id === undefined || item.id === null) return;
                        const id = String(item.id);
                        if (!pending.has(id)) return;
                        pending.delete(id);
                        results.push(item);
                    });

                    if (pending.size === 0) {
                        finish(true, Array.isArray(payload) ? results : results[0]);
                    }
                } catch (e) {
                    finish(false, new Error('Invalid JSON'));
                }
            };

            ws.onerror = () => finish(false, new Error('Network Error'));
            ws.onclose = () => {
                if (!settled) finish(false, new Error('Network Error'));
            };
        });
    }

    function aria2RpcRequest(url, payload, timeout = 5000) {
        const rpcUrl = normalizeAriaRpcUrl(url);
        return isAriaWsRpcUrl(rpcUrl) ? aria2RpcWsRequest(rpcUrl, payload, timeout) : aria2RpcHttpRequest(rpcUrl, payload, timeout);
    }

    if (document.querySelector('.pk-ov')) return;

    document.body.style.overflow = 'hidden';
    document.documentElement.style.overflow = 'hidden';

    const S = {
        path: (globalSavedState && globalSavedState.path) ? [...globalSavedState.path] : [{ id: '', name: L.btn_nav_home }],
        items: [], itemMap: new Map(), display: [], sel: new Set(), selMode: 'explicit', selEx: new Set(),
        cache: initialCache || new Map(),
        sort: (globalSavedState && globalSavedState.sort) ? globalSavedState.sort : 'modified_time',
        dir: (globalSavedState && globalSavedState.dir !== undefined) ? globalSavedState.dir : 1,

        scanning: false, dupMode: false, dupRunning: false,
        folderFirst: false,
        dupReasons: new Map(),
        dupGroups: new Map(),
        dupRawGroups: [],
        dupGridMeta: null,
        dupGridMetaKey: '',
        offlineFilters: { running: true, failed: true, complete: true },
        uploadFilters: { running: true, paused: true, complete: true },
        activeId: null,
        clipItems: [], clipType: '',
        clipSourceParentId: null,
        loading: false,
        lastSelIdx: -1,
        dupConfig: { video: true, image: true, other: true },
        search: '',
        viewMode: (globalSavedState && globalSavedState.viewMode) ? globalSavedState.viewMode : (() => {
            if (gmGet('pk_view_independent', false)) {
                try {
                    const prefs = JSON.parse(gmGet('pk_folder_view_prefs', '{}'));
                    const saved = prefs.root;
                    const mode = typeof saved === 'string' ? saved : (saved && saved.viewMode);
                    return mode === 'list' ? 'list' : 'grid';
                } catch(e) {
                    return 'grid';
                }
            }
            return gmGet('pk_file_view_mode', 'grid') === 'list' ? 'list' : 'grid';
        })(),
        sortId: 0,
        isFlattened: false,
        filterState: { active: false, cat: 'all', ext: 'all' },
        suppressClearConfirm: false,
        preSearchPath: null,
        lastGlobalResults: [],
        folderLineageMap: globalLineageMap,
        strictFolderFirstSnapshot: null,
        trashMode: (globalSavedState && globalSavedState.trashMode) || false,
        shareMode: (globalSavedState && globalSavedState.shareMode) || false,
        starredMode: (globalSavedState && globalSavedState.starredMode) || false,
        recentMode: (globalSavedState && globalSavedState.recentMode) || false,
        historyMode: (globalSavedState && globalSavedState.historyMode) || false,
        offlineMode: (globalSavedState && globalSavedState.offlineMode) || false,
        uploadMode: (globalSavedState && globalSavedState.uploadMode) || false,
        navBuckets: {
            home: { backStack: [], current: null, forwardStack: [] },
            starred: { backStack: [], current: null, forwardStack: [] },
            recent: { backStack: [], current: null, forwardStack: [] }
        },
        navScrollStore: {
            home: Object.create(null),
            starred: Object.create(null),
            recent: Object.create(null)
        },
        navActiveBucket: null,
        navFrozenBucket: null,
        navContext: 'none',
        navSyncSig: '',
        navMaxHistory: CONF.mouseSideNavHistoryMax,
        navSuspendRecord: false,
        navTransitionBusy: false,
        navLastModalType: '',
        navVideoBackArmed: false,
        scanId: 0,
        preloaded: (globalSavedState || (initialCache && initialCache.has('root'))) ? true : false,
        preLoadPromise: preloadPromise || null,
        blSet: new Set(),
        blFolderSet: new Set(),
        starredSet: new Set(),
        pendingMap: new Map(),
        durationMap: new Map(),
        loadedThumbs: new Set(),
        movingIds: new Set(),
        movingSourceId: null,
        movingDestId: null,
        uploadTasks: (globalSavedState && globalSavedState.uploadTasks) ? globalSavedState.uploadTasks : [],
        broadcast: new BroadcastChannel('pk_act_sync'),
        getNavBucketKey: () => {
            if (S.starredMode) return 'starred';
            if (S.recentMode) return 'recent';
            if (S.trashMode || S.shareMode || S.historyMode || S.offlineMode || S.uploadMode) return null;
            if (S.isFlattened || S.dupMode || S.analyzeMode) return null;

            const cur = Array.isArray(S.path) && S.path.length ? S.path[S.path.length - 1] : null;
            if (cur && typeof cur.id === 'string' && (cur.id.startsWith('virtual_') || cur.id === 'analyze_root')) return null;

            return 'home';
        },
        getActiveNavBucket: () => {
            const key = S.getNavBucketKey();
            return key ? S.navBuckets[key] : null;
        },
        cloneNavPath: (path = S.path) => (Array.isArray(path) ? path : []).map(n => ({ id: n.id, name: n.name })),
        getNavPathSig: (path = S.path) => {
            const arr = Array.isArray(path) ? path : [];
            return arr.map(n => n && n.id || '').join('>');
        },
        saveNavScrollTop: (bucketKey = null, path = S.path, scrollTop = null) => {
            const key = bucketKey || S.getNavBucketKey() || S.navActiveBucket || null;
            if (!key || !S.navScrollStore[key] || !UI.vp) return;
            const sig = S.getNavPathSig(path);
            if (!sig) return;
            S.navScrollStore[key][sig] = Math.max(0, Math.round(scrollTop == null ? UI.vp.scrollTop : scrollTop));
        },
        getNavScrollTop: (bucketKey = null, path = S.path) => {
            const key = bucketKey || S.getNavBucketKey() || S.navActiveBucket || null;
            if (!key || !S.navScrollStore[key]) return null;
            const sig = S.getNavPathSig(path);
            if (!sig) return null;
            const v = S.navScrollStore[key][sig];
            return Number.isFinite(v) ? v : null;
        },
        restoreNavScrollTop: (bucketKey = null, path = S.path) => {
            if (!gmGet('pk_keep_pos', true) || !UI.vp) return;
            const savedTop = S.getNavScrollTop(bucketKey, path);
            if (!Number.isFinite(savedTop)) return;
            requestAnimationFrame(() => {
                if (!UI.vp) return;
                const maxTop = Math.max(0, UI.vp.scrollHeight - UI.vp.clientHeight);
                UI.vp.scrollTop = Math.max(0, Math.min(savedTop, maxTop));
                if (typeof renderVisible === 'function') renderVisible();
            });
        },
        isSameNavPath: (a, b) => {
            if (!Array.isArray(a) || !Array.isArray(b) || a.length !== b.length) return false;
            for (let i = 0; i < a.length; i++) {
                if ((a[i] && a[i].id) !== (b[i] && b[i].id)) return false;
            }
            return true;
        },
        trimNavStack: (stack) => {
            if (!Array.isArray(stack) || stack.length <= S.navMaxHistory) return;
            stack.splice(0, stack.length - S.navMaxHistory);
        },
        getNavContext: () => {
            if (S.isStrictVirtualNavMode()) return 'virtual';
            const key = S.getNavBucketKey();
            return key || 'none';
        },
        recordNavSnapshot: (bucketKey, path = S.path) => {
            const bucket = bucketKey ? S.navBuckets[bucketKey] : null;
            if (!bucket) return;

            const snap = S.cloneNavPath(path);
            if (!snap.length) return;

            if (bucket.current && S.isSameNavPath(bucket.current, snap)) return;

            if (bucket.current && bucket.current.length) {
                bucket.backStack.push(S.cloneNavPath(bucket.current));
                S.trimNavStack(bucket.backStack);
            }

            bucket.current = snap;
            bucket.forwardStack = [];
        },
        restoreFrozenNavBucketPath: () => {
            const key = S.navFrozenBucket;
            const bucket = key ? S.navBuckets[key] : null;
            if (!bucket || !bucket.current || !bucket.current.length) return false;

            S.navSuspendRecord = true;
            S.path = S.cloneNavPath(bucket.current);
            S.navActiveBucket = key;
            S.navContext = key;
            S.navSyncSig = '';
            queueMicrotask(() => { S.navSuspendRecord = false; });
            return true;
        },
        loadNavPath: async (path, bucketKey = null, opts = null) => {
            const targetPath = S.cloneNavPath(path);
            if (!targetPath.length) return false;
            if (S.navTransitionBusy) return false;

            const key = bucketKey || S.getNavBucketKey() || S.navActiveBucket || null;
            const skipNavSync = !!(opts && opts.skipNavSync);

            const prevPath = S.cloneNavPath(S.path);
            const prevActiveBucket = S.navActiveBucket;
            const prevContext = S.navContext;
            const prevSyncSig = S.navSyncSig;
            const prevSuspendRecord = S.navSuspendRecord;
            const prevScrollTop = UI.vp ? UI.vp.scrollTop : 0;

            const prevSelMode = S.selMode;
            const prevSel = new Set(S.sel);
            const prevSelEx = new Set(S.selEx);
            const prevLastSelIdx = S.lastSelIdx;
            const prevActiveIdForRollback = S.activeId;

            const targetSig = S.getNavPathSig(targetPath);

            S.navTransitionBusy = true;
            S.navSuspendRecord = true;

            S.saveNavScrollTop(prevActiveBucket || S.getNavBucketKey(), prevPath, prevScrollTop);

            S.path = targetPath;
            S.navActiveBucket = key;
            S.navContext = key || 'none';
            S.navSyncSig = '';

            try {
                updateQuotaUI();

                const pendingLoad = Promise.resolve(load());
                await new Promise(r => requestAnimationFrame(r));
                S.clearSelection();

                pendingLoad.then(() => {
                    if (S.getNavPathSig() === targetSig) {
                        S.restoreNavScrollTop(key, targetPath);
                    }
                }).catch(err => {
                    S.sideNavLog('loadNavPath async error', err);
                });

                return true;
            } catch (err) {
                S.sideNavLog('loadNavPath rollback', err);
                S.path = prevPath;
                S.navActiveBucket = prevActiveBucket;
                S.navContext = prevContext;
                S.navSyncSig = prevSyncSig || '';

                S.selMode = prevSelMode;
                S.sel = new Set(prevSel);
                S.selEx = new Set(prevSelEx);
                S.lastSelIdx = prevLastSelIdx;
                S.activeId = prevActiveIdForRollback;
                if (typeof updateStat === 'function') updateStat();

                try {
                    updateQuotaUI();
                    await load();
                    S.restoreNavScrollTop(prevActiveBucket || S.getNavBucketKey(), prevPath);
                } catch (restoreErr) {
                    S.sideNavLog('loadNavPath restore failed', restoreErr);
                }
                return false;
            } finally {
                S.navSuspendRecord = prevSuspendRecord;
                S.navTransitionBusy = false;
                if (!skipNavSync) {
                    S.navSyncSig = '';
                    S.syncNavContextState();
                }
            }
        },
        navGoBack: async () => {
            const key = S.getNavBucketKey();
            const bucket = key ? S.navBuckets[key] : null;
            if (!bucket || !bucket.backStack.length || S.navTransitionBusy) return false;

            const prevPath = S.cloneNavPath(bucket.backStack[bucket.backStack.length - 1]);
            if (!prevPath.length) return false;

            const currentPath = bucket.current && bucket.current.length ? S.cloneNavPath(bucket.current) : S.cloneNavPath(S.path);
            const ok = await S.loadNavPath(prevPath, key, { skipNavSync: true });
            if (!ok) return false;

            bucket.backStack.pop();
            if (currentPath.length) {
                bucket.forwardStack.push(currentPath);
                S.trimNavStack(bucket.forwardStack);
            }
            bucket.current = S.cloneNavPath(prevPath);
            S.navActiveBucket = key;
            S.navContext = key;
            S.navFrozenBucket = null;
            S.navSyncSig = '';
            S.syncNavContextState();
            return true;
        },
        navGoForward: async () => {
            const key = S.getNavBucketKey();
            const bucket = key ? S.navBuckets[key] : null;
            if (!bucket || !bucket.forwardStack.length || S.navTransitionBusy) return false;

            const nextPath = S.cloneNavPath(bucket.forwardStack[bucket.forwardStack.length - 1]);
            if (!nextPath.length) return false;

            const currentPath = bucket.current && bucket.current.length ? S.cloneNavPath(bucket.current) : S.cloneNavPath(S.path);
            const ok = await S.loadNavPath(nextPath, key, { skipNavSync: true });
            if (!ok) return false;

            bucket.forwardStack.pop();
            if (currentPath.length) {
                bucket.backStack.push(currentPath);
                S.trimNavStack(bucket.backStack);
            }
            bucket.current = S.cloneNavPath(nextPath);
            S.navActiveBucket = key;
            S.navContext = key;
            S.navFrozenBucket = null;
            S.navSyncSig = '';
            S.syncNavContextState();
            return true;
        },
        exitVirtualNavMode: async () => {
            const cur = Array.isArray(S.path) && S.path.length ? S.path[S.path.length - 1] : null;
            const isAnalyzeGroupedGrid = S.analyzeMode && !!S.analyzeSimGroups && !!cur && cur.id === 'analyze_root' && S.viewMode === 'grid';
            const shouldSyncGroupedGridExit = (S.dupMode && S.viewMode === 'grid') || isAnalyzeGroupedGrid;

            S.scanning = false;
            S.dupMode = false;
            S.suppressClearConfirm = false;
            S.isFlattened = false;
            S.scanFilter = null;
            if (S.filterState) S.filterState = { active: false, cat: 'all', ext: 'all' };
            if (shouldSyncGroupedGridExit) S._groupedGridExitSyncPending = true;

            S._sortAppliedForId = null;
            S._comicApplied = false;

            if (S.analyzeMode) {
                S.analyzeMode = false;
                S.analyzeResultItems = null;
                S.analyzeSimGroups = null;
                S.analyzeMap = null;
            }

            S.dupRawGroups = [];
            S.dupBuckets = null;
            S.dupItemMap = null;
            S.pinnedDupPath = null;

            if (UI.selDupFolder) UI.selDupFolder.value = "";
            const invertChk = document.getElementById('pk-dup-invert');
            if (invertChk) {
                invertChk.checked = false;
                invertChk.disabled = true;
                invertChk.parentNode.style.opacity = '0.5';
            }
            if (UI.chkSearchPath) UI.chkSearchPath.checked = false;

            isGUISensitive = false;

            S.sort = 'modified_time';
            S.dir = 1;

            if (UI.crumb) UI.crumb.style.display = '';

            const frozenKey = S.navFrozenBucket;
            const frozenBucket = frozenKey ? S.navBuckets[frozenKey] : null;
            const fallbackPath = [{ id: '', name: L.btn_nav_home }];
            const targetPath = (frozenBucket && frozenBucket.current && frozenBucket.current.length)
                ? frozenBucket.current
                : fallbackPath;

            S.navFrozenBucket = null;

            return await S.loadNavPath(targetPath, frozenBucket ? frozenKey : null);
        },
        getTopModalOverlay: () => {
            const list = Array.from(document.querySelectorAll('.pk-modal-ov')).filter(m => {
                if (!m || !m.isConnected) return false;
                const st = window.getComputedStyle(m);
                return st.display !== 'none' && st.visibility !== 'hidden';
            });
            return list.length ? list[list.length - 1] : null;
        },
        hasFrontOverlayForSideNav: () => {
            return !!(document.getElementById('pk-player-ov') || document.querySelector('.pk-img-ov') || S.getTopModalOverlay());
        },
        isManagerSideNavScope: () => {
            const win = document.querySelector('.pk-ov');
            return !!(win && win.style.display !== 'none');
        },
        sideNavLog: (...args) => {
            if (!CONF.mouseSideNavDebug) return;
            console.log('[PK SideNav]', ...args);
        },
        closePlayerOverlay: () => {
            const player = document.getElementById('pk-player-ov');
            if (!player) return false;

            S.navVideoBackArmed = false;

            const pTip = document.getElementById('pk_p_plist_tip_global');
            if (pTip) pTip.style.display = 'none';

            if (typeof player._pkDestroyPlayer === 'function') {
                player._pkDestroyPlayer();
                S.sideNavLog('player close: unified destroy');
                return true;
            }

            const v = player.querySelector('#pk_video');
            if (v) {
                try {
                    v.pause();
                    v.removeAttribute('src');
                    v.load();
                } catch (e) {}
            }

            player.remove();
            S.sideNavLog('player close: unified');
            return true;
        },
        closeImageOverlay: () => {
            const d = document.querySelector('.pk-img-ov');
            if (!d) return false;

            const pTip = document.getElementById('pk_p_plist_tip_global');
            if (pTip) pTip.style.display = 'none';

            const cleanup = d._pkResizeHandler;
            if (cleanup) {
                window.removeEventListener('resize', cleanup);
                d._pkResizeHandler = null;
            }

            const imgList = d._pkImgList || [];
            const curIdx = Number.isInteger(d._pkCurIdx) ? d._pkCurIdx : -1;
            const currentItem = curIdx >= 0 ? imgList[curIdx] : null;

            if (currentItem) {
                const targetId = currentItem.id;
                const targetIdx = S.display.findIndex(x => x.id === targetId);
                if (targetIdx !== -1) {
                    S.sel.clear();
                    S.sel.add(targetId);
                    S.activeId = targetId;
                    const rowTop = getItemScrollTopByIndex(targetIdx);
                    const vpHeight = UI.vp.clientHeight;
                    UI.vp.scrollTop = Math.max(0, rowTop - (vpHeight / 2) + (CONF.rowHeight / 2));
                    renderVisible();
                    updateStat();
                }
            }

            d.remove();
            S.sideNavLog('image close: unified');
            return true;
        },
        closeTopModalOverlay: () => {
            const openModal = S.getTopModalOverlay();
            if (!openModal) return false;
            const closeBtn = openModal.querySelector('.pk-modal-close');
            if (closeBtn) closeBtn.click();
            else openModal.remove();
            return true;
        },
        handleOverlayMouseSideBack: () => {
            const player = document.getElementById('pk-player-ov');
            if (player) {
                S.sideNavLog('back: video close');
                return S.closePlayerOverlay();
            }

            const imgPlayer = document.querySelector('.pk-img-ov');
            if (imgPlayer) {
                S.sideNavLog('back: image close');
                return S.closeImageOverlay();
            }

            if (S.closeTopModalOverlay()) {
                S.sideNavLog('back: modal close');
                return true;
            }

            return false;
        },
        canHandleMouseSideBack: () => S.isManagerSideNavScope(),
        canHandleMouseSideForward: () => S.isManagerSideNavScope(),
        handleMouseSideBack: async () => {
            if (!S.isManagerSideNavScope() || S.navTransitionBusy) return false;
            if (S.handleOverlayMouseSideBack()) return true;
            if (S.isStrictVirtualNavMode()) {
                await S.exitVirtualNavMode();
                return true;
            }
            if (S.getNavBucketKey() !== null) {
                await S.navGoBack();
                return true;
            }
            return true;
        },
        handleMouseSideForward: async () => {
            if (!S.isManagerSideNavScope() || S.navTransitionBusy) return false;

            const player = document.getElementById('pk-player-ov');
            if (player) {
                const v = player.querySelector('#pk_video');
                if (v) {
                    if (v.ended) {
                        S.sideNavLog('forward: video restart');
                        try { v.currentTime = 0; } catch (e) {}
                        v.play().catch(()=>{});
                        return true;
                    }
                    if (v.paused) {
                        S.sideNavLog('forward: video play');
                        v.play().catch(()=>{});
                        return true;
                    }
                    S.sideNavLog('forward: video pause');
                    v.pause();
                    return true;
                }
                return true;
            }

            if (S.hasFrontOverlayForSideNav()) return true;
            if (S.isStrictVirtualNavMode()) return true;
            if (S.getNavBucketKey() !== null) {
                await S.navGoForward();
                return true;
            }
            return true;
        },
        syncNavContextState: () => {
            const ctx = S.getNavContext();
            const sig = `${ctx}|${(Array.isArray(S.path) ? S.path.map(n => n.id).join('>') : '')}`;

            if (S.navSyncSig === sig) return;

            const prevCtx = S.navContext;
            const prevBucketKey = (prevCtx === 'home' || prevCtx === 'starred' || prevCtx === 'recent') ? prevCtx : null;
            const curBucketKey = (ctx === 'home' || ctx === 'starred' || ctx === 'recent') ? ctx : null;

            if (S.navSuspendRecord) {
                S.navContext = ctx;
                S.navSyncSig = sig;
                if (curBucketKey) S.navActiveBucket = curBucketKey;
                return;
            }

            if (ctx === 'virtual') {
                if (prevBucketKey) S.navFrozenBucket = prevBucketKey;
                S.navContext = 'virtual';
                S.navSyncSig = sig;
                return;
            }

            if (ctx === 'none') {
                if (prevBucketKey) S.navFrozenBucket = prevBucketKey;
                S.navContext = 'none';
                S.navSyncSig = sig;
                return;
            }

            S.navActiveBucket = curBucketKey;
            S.recordNavSnapshot(curBucketKey);

            if (prevCtx === 'virtual' && S.navFrozenBucket === curBucketKey) {
                S.navFrozenBucket = null;
            } else if (prevCtx !== 'virtual') {
                S.navFrozenBucket = null;
            }

            S.navContext = curBucketKey;
            S.navSyncSig = sig;
        },
        canUseMouseSideNav: () => S.canHandleMouseSideBack() || S.canHandleMouseSideForward(),
        isStrictVirtualNavMode: () => {
            if (S.isFlattened || S.dupMode || S.analyzeMode) return true;
            const cur = Array.isArray(S.path) && S.path.length ? S.path[S.path.length - 1] : null;
            return !!(cur && typeof cur.id === 'string' && (cur.id.startsWith('virtual_') || cur.id === 'analyze_root'));
        },
        getSelectableItems: () => {
            const out = [];
            const list = Array.isArray(S.display) ? S.display : [];
            for (let i = 0; i < list.length; i++) {
                const item = list[i];
                if (!item || item.isHeader) continue;
                if (S.movingIds && S.movingIds.has(item.id)) continue;
                out.push(item);
            }
            return out;
        },
        getSelectableIds: () => {
            const out = [];
            const list = Array.isArray(S.display) ? S.display : [];
            for (let i = 0; i < list.length; i++) {
                const item = list[i];
                if (!item || item.isHeader) continue;
                if (S.movingIds && S.movingIds.has(item.id)) continue;
                out.push(item.id);
            }
            return out;
        },
        getSelectableCount: () => {
            let count = 0;
            const list = Array.isArray(S.display) ? S.display : [];
            for (let i = 0; i < list.length; i++) {
                const item = list[i];
                if (!item || item.isHeader) continue;
                if (S.movingIds && S.movingIds.has(item.id)) continue;
                count++;
            }
            return count;
        },
        isAllSelectionMode: () => S.selMode === 'all',
        isSelected: (id) => {
            if (!id) return false;
            return S.selMode === 'all' ? !S.selEx.has(id) : S.sel.has(id);
        },
        getSelectedCount: () => {
            if (S.selMode !== 'all') return S.sel.size;
            const total = S.getSelectableCount();
            return Math.max(0, total - S.selEx.size);
        },
        getSelectedIds: () => {
            if (S.selMode !== 'all') return Array.from(S.sel);
            const ids = [];
            const list = S.getSelectableIds();
            for (let i = 0; i < list.length; i++) {
                const id = list[i];
                if (!S.selEx.has(id)) ids.push(id);
            }
            return ids;
        },
        setSelected: (id, selected) => {
            if (!id) return;
            if (S.selMode === 'all') {
                if (selected) S.selEx.delete(id);
                else S.selEx.add(id);
                return;
            }
            if (selected) S.sel.add(id);
            else S.sel.delete(id);
        },
        toggleSelected: (id) => {
            if (!id) return false;
            const next = !S.isSelected(id);
            S.setSelected(id, next);
            return next;
        },
        setExplicitSelection: (ids) => {
            S.selMode = 'explicit';
            S.selEx.clear();
            S.sel = new Set(ids || []);
        },
        setAllSelection: (enabled = true) => {
            if (enabled) {
                S.selMode = 'all';
                S.sel.clear();
                S.selEx.clear();
            } else {
                S.selMode = 'explicit';
                S.sel.clear();
                S.selEx.clear();
            }
        },
        invertSelection: () => {
            if (S.loading) return;

            const total = S.getSelectableCount();
            if (total <= 0) {
                S.clearSelection();
                return;
            }

            if (S.selMode === 'all') {
                S.setExplicitSelection(Array.from(S.selEx));
            } else {
                const nextExcluded = new Set(S.sel);
                S.selMode = 'all';
                S.sel.clear();
                S.selEx = nextExcluded;
            }

            S.lastSelIdx = -1;
            S.activeId = null;
        },
        clearSelection: () => {
            S.selMode = 'explicit';
            S.sel.clear();
            S.selEx.clear();
            S.lastSelIdx = -1;
            S.activeId = null;
            if (typeof updateStat === 'function') updateStat();
        },
        updateBlCache: () => {
            const parse = (key) => new Set(gmGet(key, '').toLowerCase().split('\n').map(s => s.trim()).filter(s => s));
            S.blSet = parse('pk_blacklist');
            S.blFolderSet = parse('pk_blacklist_folders');
        },
        getRealCacheKey: (id) => {
            if (id === 'offline_root') return 'offline_root';
            if (id === 'recent_root') return 'recent_root';
            if (id === 'history_root') return 'history_root';
            if (id === 'root' || id === '' || !id) {
                if (S.shareMode) return 'share_root';
                if (S.starredMode) return 'starred_root';
                if (S.recentMode) return 'recent_root';
                if (S.historyMode) return 'history_root';
                if (S.trashMode) return 'root_trashed';
                if (S.offlineMode) return 'offline_root';
                return 'root';
            }
            return id;
        }
    };
    pkState = S;

    if (S.uploadTasks.length > 0) {
        S.uploadTasks.forEach(task => {
            if (task.status === 'WAITING') task.message = L.msg_task_waiting;
            else if (task.status === 'DONE') task.message = L.msg_task_upload_done;
            else if (task.status === 'PAUSED') task.message = L.msg_task_paused;
            else if (task.status === 'HASHING') task.message = L.msg_task_hashing;
            else if (task.status === 'UPLOADING') task.message = L.msg_task_uploading;
        });
    }

    const FloatBarManager = (() => {
        const activeBars = [];
        const BASE_BOTTOM = 30;
        const GAP = 10;

        const reposition = () => {
            let currentBottom = BASE_BOTTOM;
            activeBars.forEach(item => {
                item.el.style.bottom = `${currentBottom}px`;
                currentBottom += (item.el.offsetHeight || 40) + GAP;
            });
        };

        const create = (initialText) => {
            const id = 'pk_fb_' + Date.now() + '_' + Math.random().toString(36).substr(2, 9);
            const el = document.createElement('div');
            el.className = 'pk-float-bar-item';
            el.style.cssText = `
                position: fixed; left: 50%; transform: translateX(-50%);
                background: var(--pk-toast-bg); color: var(--pk-toast-fg);
                padding: 10px 24px; border-radius: 30px; font-size: 13px; font-weight: 600;
                box-shadow: 0 10px 30px var(--pk-tip-sd); z-index: 2147483647 !important;
                border: 1px solid var(--pk-toast-bd); display: flex; align-items: center; gap: 12px;
                transition: bottom 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
                opacity: 0; pointer-events: none; white-space: nowrap; backdrop-filter: blur(8px);
            `;

            el.innerHTML = `<div class="pk-spin-lg" style="width:16px; height:16px; border-width:2px;"></div><span class="pk-float-txt">${esc(initialText)}</span>`;

            const isDark = document.querySelector('.pk-ov')?.classList.contains('pk-dark');
            if (isDark) el.classList.add('pk-dark');

            const fsEl = document.fullscreenElement || document.webkitFullscreenElement;
            if (fsEl) fsEl.appendChild(el);
            else document.body.appendChild(el);

            const entry = { id, el };
            activeBars.push(entry);

            requestAnimationFrame(() => {
                reposition();
                el.style.opacity = '1';
            });

            return {
                update: (text) => {
                    const span = el.querySelector('.pk-float-txt');
                    if (span) span.textContent = text;
                },
                destroy: () => {
                    const idx = activeBars.findIndex(x => x.id === id);
                    if (idx !== -1) {
                        activeBars.splice(idx, 1);
                        el.style.opacity = '0';
                        el.style.transform = 'translateX(-50%) scale(0.9)';
                        reposition();
                        setTimeout(() => el.remove(), 300);
                    }
                }
            };
        };

        return { create };
    })();

    S.broadcast.onmessage = (e) => {
        const { type, ids, src, dst } = e.data;
        if (!ids) return;

        if (type === 'LOCK_ADD') {
            ids.forEach(id => S.movingIds.add(id));
            if (src) S.movingSourceId = src;
            if (dst) S.movingDestId = dst;
        }
        else if (type === 'LOCK_REM') {
            ids.forEach(id => S.movingIds.delete(id));
        }
        else if (type === 'LOCK_CLR') {
            S.movingIds.clear();
            S.movingSourceId = null;
            S.movingDestId = null;
        }

        if (typeof updateGlobalLockCSS === 'function') updateGlobalLockCSS();
        if (typeof updateStat === 'function') updateStat();
    };

    const updateGlobalLockCSS = () => {
        let style = document.getElementById('pk-lock-css');
        if (!style) {
            style = document.createElement('style');
            style.id = 'pk-lock-css';
            document.head.appendChild(style);
        }

        if (!S.movingIds || S.movingIds.size === 0 || !S.movingSourceId) {
            style.textContent = '';
            return;
        }

        const selector = Array.from(S.movingIds)
            .map(id => `.pk-win .pk-row[data-id="${id}"]`)
            .join(',');

        style.textContent = `${selector} {
            opacity: 0.4 !important;
            filter: grayscale(100%) !important;
            pointer-events: none !important;
            cursor: wait !important;
        }`;
    };

    const isPathBusy = (targetFolderId) => {
        if (!S.movingIds || S.movingIds.size === 0) return false;

        const sourceId = S.movingSourceId;
        const destId = S.movingDestId;
        const tid = targetFolderId === 'root' ? '' : (targetFolderId || '');

        if (tid === '') return true;

        if (tid === sourceId || tid === destId) return true;

        const checkAncestry = (startId, forbiddenId) => {
            let curr = startId;
            let safety = 50;
            while (curr && curr !== 'root' && safety > 0) {
                if (curr === forbiddenId) return true;
                const parent = globalParentIndex.get(curr);
                curr = parent ? parent.id : null;
                safety--;
            }
            return false;
        };

        if (checkAncestry(sourceId, tid) || checkAncestry(destId, tid)) return true;

        if (checkAncestry(tid, sourceId) || checkAncestry(tid, destId)) return true;

        return false;
    };

    const resumeBackgroundDiscovery = () => {
        if (S.scanning || S.loading) {
            return;
        }

        const isVirtual = S.isFlattened || S.dupMode || S.path.some(p => p.id === 'virtual_search_root');
        if (isVirtual) {
            return;
        }

        let addedCount = 0;

        if (typeof globalCache !== 'undefined') {
            for (const [parentFolderId, files] of globalCache) {
                if (!files || !Array.isArray(files)) continue;

                for (let i = 0; i < files.length; i++) {
                    const f = files[i];
                    if (f.kind === 'drive#folder' && !scannedFolderIds.has(f.id) && !globalCache.has(f.id)) {
                        backgroundQueue.push({ id: f.id, name: f.name, retryCount: 0 });
                        scannedFolderIds.add(f.id);
                        addedCount++;
                    }
                }
                if (addedCount > 500) break;
            }
        }

        if (addedCount === 0) {
            const visibleSubFolders = S.items.filter(f => f.kind === 'drive#folder');
            for (let i = visibleSubFolders.length - 1; i >= 0; i--) {
                const sub = visibleSubFolders[i];
                if (!scannedFolderIds.has(sub.id) && !globalCache.has(sub.id)) {
                    backgroundQueue.push({ id: sub.id, name: sub.name, retryCount: 0 });
                    scannedFolderIds.add(sub.id);
                    addedCount++;
                }
            }
        }

        if (addedCount > 0 || backgroundQueue.length > 0) {
            console.log(`♻️ Background crawler resumed: ${addedCount} new tasks found in map.`);
            runBackgroundCrawler();
        }
    };

    S.updateBlCache();

    if (S.items && S.items.length > 0) {
        S.itemMap.clear();
        S.items.forEach(i => S.itemMap.set(i.id, i));
    }

    const el = document.createElement('div'); el.className = 'pk-ov';
    let siteFont = window.getComputedStyle(document.body).fontFamily || '';
    siteFont = siteFont.replace(/,?\s*sans-serif\s*$/i, '');
    el.style.fontFamily = siteFont ? `${siteFont}, "Noto Sans", sans-serif` : '"Noto Sans", sans-serif';

    el.addEventListener('wheel', (e) => {
        e.stopPropagation();
        const scrollTarget = e.target.closest('.pk-vp, .pk-modal, #pk-rn-vp, .pk-prev-list, textarea, .pk-scroll, .pk-help-scroll');
        if (!scrollTarget) { e.preventDefault(); return; }
        const st = scrollTarget.scrollTop;
        const sh = scrollTarget.scrollHeight;
        const ch = scrollTarget.clientHeight;
        const isUp = e.deltaY < 0;
        const isDown = e.deltaY > 0;
        const isAtTop = st <= 0.5;
        const isAtBottom = (st + ch) >= (sh - 1.5);
        if ((isUp && isAtTop) || (isDown && isAtBottom)) {
            if (e.cancelable) e.preventDefault();
        }
    }, { passive: false });

    const mkLbl = (id, txt, shortTxt, tip) => {
        const tipAttr = tip ? ` data-pk-tip="${tip}"` : '';
        return `<label class="pk-dup-chk"${tipAttr}><input type="checkbox" id="${id}" checked> <span class="pk-txt-long">${txt}</span><span class="pk-txt-short">${shortTxt}</span></label>`;
    };

    const savedTheme = gmGet('pk_theme', 'auto');
    const sysDark = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
    let isDark = savedTheme === 'dark' || (savedTheme === 'auto' && sysDark);

    if (isDark) el.classList.add('pk-dark');

    const themeIcon = isDark ? CONF.icons.sun : CONF.icons.moon;
    const winClass = 'pk-win pk-lang-' + lang;

    const ctxIcons = {
        locate: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M20 20a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2h-7.9a2 2 0 0 1-1.69-.9L9.6 3.9A2 2 0 0 0 7.93 3H4a2 2 0 0 0-2 2v13a2 2 0 0 0 2 2Z"/></svg>`,
        info: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="16" x2="12" y2="12"/><line x1="12" y1="8" x2="12.01" y2="8"/></svg>`,
        open: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 11V21H3V11"/><path d="M3 11L6 5"/><path d="M21 11L18 5"/><line x1="12" y1="17" x2="12" y2="3"/><polyline points="8 7 12 3 16 7"/></svg>`,
        star: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"/></svg>`,
        unstar: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"/><line x1="2" y1="2" x2="22" y2="22"/></svg>`,
        download: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" x2="12" y1="15" y2="3"/></svg>`,
        copy: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect width="14" height="14" x="8" y="8" rx="2" ry="2"/><path d="M4 16c-1.1 0-2-.9-2-2V4c0-1.1.9-2 2-2h10c1.1 0 2 .9 2 2"/></svg>`,
        move: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h4"/><polyline points="16 17 21 12 16 7"/><line x1="21" x2="9" y1="12" y2="12"/></svg>`,
        rename: `<svg width="16" height="16" viewBox="0 0 1024 1024" fill="currentColor" version="1.1"><path d="M56.925091 777.495273v189.579636h189.579636L805.655273 407.924364l-189.579637-189.579637L56.925091 777.495273zM952.32 261.306182a50.315636 50.315636 0 0 0 0-71.354182L834.048 71.68a50.315636 50.315636 0 0 0-71.400727 0L670.254545 164.165818 859.787636 353.745455l92.532364-92.439273v-0.093091z" fill="currentColor"></path></svg>`,
        renameBulk: `<svg width="16" height="16" viewBox="0 0 1024 1024" fill="currentColor" version="1.1" style="transform: scale(1.2);"><path d="M882.88 280.64l42.88-45.76a13.76 13.76 0 0 0 0-19.2L829.12 128a13.12 13.12 0 0 0-18.88 0L768 173.12zM739.84 202.56l-218.88 234.88a17.28 17.28 0 0 0-3.52 8.64L512 547.84a13.44 13.44 0 0 0 15.04 14.08l102.08-12.48a13.76 13.76 0 0 0 7.68-5.44l218.88-233.6z" fill="currentColor"></path><path d="M864 381.12a24 24 0 0 0-24 24v317.76H304.96V189.12h317.76a24 24 0 0 0 0-48H296.96A40 40 0 0 0 256 181.12v82.56H174.72a40 40 0 0 0-40 40v549.44a40 40 0 0 0 40 40h549.44a40 40 0 0 0 40-40v-75.84a20.8 20.8 0 0 0 0-6.4h83.84a40.32 40.32 0 0 0 40-40V405.12a24.32 24.32 0 0 0-24-24z m-147.84 396.16v67.84H182.72V311.68H256v419.2a40 40 0 0 0 40 40h421.44a20.8 20.8 0 0 0-1.28 6.4z" fill="currentColor" stroke="currentColor" stroke-width="35"></path></svg>`,
        blAdd: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10"/><line x1="12" y1="8" x2="12" y2="12"/><line x1="12" y1="16" x2="12.01" y2="16"/></svg>`,
        blRem: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10"/><path d="m9 12 2 2 4-4"/></svg>`,
        share: CONF.icons.share,
        copyLink: `<svg width="16" height="16" viewBox="0 0 1024 1024"><path d="M232.6 1023.8c-61.2 0-118.6-23.7-161.6-66.6l-4.2-4.2c-89.1-89.1-89.1-234.1 0-323.2l181.1-181.1c3.5 25.4 9.6 50.4 18.1 74.6l-152.8 152.8c-63.5 63.5-63.5 166.9 0 230.5l4.3 4.3c30.7 30.7 71.6 47.6 115.2 47.6s84.5-16.9 115.3-47.7l228.9-228.9c63.5-63.5 63.5-166.9 0-230.5l-4.3-4.2c-2.1-2.1-4.2-4.1-6.4-6l46.4-46.4c2.2 2 4.3 4 6.4 6.1l4.3 4.2c89.1 89.1 89.1 234.1 0 323.2l-228.9 228.9c-43 42.9-100.4 66.6-161.6 66.6zM411.5 629.3c-2.2-2-4.3-4.1-6.4-6.1l-4.2-4.2c-43.1-43.1-66.8-100.5-66.8-161.6 0-61.1 23.7-118.5 66.8-161.6l228.9-228.9c43.1-43.1 100.5-66.8 161.6-66.8 61.3 0 118.7 23.7 161.6 66.6l4.2 4.2c89 89.1 89 234.1 0 323.2l-181.1 181.1c-3.5-25.4-9.6-50.5-18.1-74.6l152.8-152.8c63.5-63.5 63.5-166.9 0-230.5l-4.3-4.3c-30.7-30.7-71.6-47.6-115.2-47.6s-84.5 16.9-115.2 47.7l-228.9 228.9c-30.7 30.7-47.7 71.7-47.7 115.3 0 43.6 16.9 84.5 47.7 115.2l4.2 4.2c2 2 4.2 4.1 6.4 6.1l-46.4 46.4z" fill="currentColor"></path></svg>`,
        copyName: `<svg width="16" height="16" viewBox="0 0 1024 1024" fill="currentColor" version="1.1" xmlns="http://www.w3.org/2000/svg" style="transform: scale(1.22); vertical-align: -3px;"><path d="M852.411679 250.1876a85.155752 85.155752 0 0 0-84.942863-78.811649h-340.623009v85.155753h340.623009v340.623009h85.155752v-340.623009l-0.212889-6.386682zM171.37855 767.466217v-340.623009a85.155752 85.155752 0 0 1 85.155752-85.155752h287.400664l138.378098 138.378097v287.400664a85.155752 85.155752 0 0 1-85.155752 85.155753h-340.62301a85.155752 85.155752 0 0 1-85.155752-85.155753z m425.778762-252.146182l-88.476827-88.476827H256.534302v340.623009h340.62301v-252.146182z"></path></svg>`,
        trash: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 6h18"/><path d="M19 6v14c0 1-1 2-2 2H7c-1 0-2-1-2-2V6"/><path d="M8 6V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/></svg>`,
        restore: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 7v6h6"/><path d="M21 17a9 9 0 0 0-9-9 9 9 0 0 0-6 2.3L3 13"/></svg>`,
        delForever: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><path d="m15 9-6 6"/><path d="m9 9 6 6"/></svg>`
    };

    el.innerHTML = `
        <style>${CSS}</style>
        <div class="${winClass}">
            <div class="pk-loading-ov" id="pk-loader">
                <div class="pk-spin-lg"></div>
                <div class="pk-loading-txt" id="pk-load-txt">${L.loading_detail}</div>
                <button class="pk-stop-btn" id="pk-stop-load">${CONF.icons.stop} <span>${L.btn_stop}</span></button>
            </div>

            <div class="pk-sidebar">
                <div class="pk-nav-btn" id="pk-btn-cloud" data-pk-tip="${L.btn_cloud_download}">${CONF.icons.cloudDownload}<span>${L.btn_cloud_download}</span></div>
                <div class="pk-nav-btn act" id="pk-nav-home" data-pk-tip="${L.btn_nav_home}">${CONF.icons.home}<span>${L.btn_nav_home}</span></div>
                <div class="pk-nav-btn" id="pk-nav-upload" data-pk-tip="${L.btn_nav_upload}">${CONF.icons.navUpload}<span>${L.btn_nav_upload}</span></div>
                <div class="pk-nav-btn" id="pk-nav-offline" data-pk-tip="${L.btn_nav_offline}">${CONF.icons.offline}<span>${L.btn_nav_offline}</span></div>
                <div class="pk-nav-btn" id="pk-nav-recent" data-pk-tip="${L.btn_nav_recent}">${CONF.icons.recent}<span>${L.btn_nav_recent}</span></div>
                <div class="pk-nav-btn" id="pk-nav-history" data-pk-tip="${L.btn_nav_history}">${CONF.icons.history}<span>${L.btn_nav_history}</span></div>
                <div class="pk-nav-btn" id="pk-nav-share" data-pk-tip="${L.btn_nav_share}">${CONF.icons.navShare}<span>${L.btn_nav_share}</span></div>
                <div class="pk-nav-btn" id="pk-nav-starred" data-pk-tip="${L.btn_nav_starred}">
                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon></svg>
                    <span>${L.btn_nav_starred}</span>
                </div>
                <div class="pk-nav-btn" id="pk-nav-trash" data-pk-tip="${L.btn_nav_trash}">${CONF.icons.trash}<span>${L.btn_nav_trash}</span></div>

                <div id="pk-quota-panel" style="margin-top:auto; width:100%; display:flex; flex-direction:column; align-items:center; padding:0; gap:4px; cursor:default; opacity:0.6; transition:all 0.2s; margin-bottom:2px;">
                    <span id="pk-quota-txt" style="font-size:10px; color:var(--pk-fg); font-weight:700; transform:scale(0.8); font-variant-numeric:tabular-nums; line-height:1;">--%</span>
                    <div style="width:44px; height:4px; background:var(--pk-bd); border-radius:2px; overflow:hidden; position:relative;" id="pk-quota-bar-box">
                        <div id="pk-quota-bar" style="position:absolute; left:0; top:0; height:100%; width:0%; background:var(--pk-pri); transition:width 0.5s ease-out;"></div>
                    </div>
                </div>

                <div class="pk-nav-btn" id="pk-settings" data-pk-tip="${L.tip_settings}" style="margin-top:0 !important;">${CONF.icons.settings}<span>${L.btn_settings}</span></div>
            </div>

            <div class="pk-main-col">

                <div class="pk-hd">
                    <div class="pk-tt">
                        ${CONF.logoSVG}
                        <div style="display: inline-flex; align-items: baseline; gap: 10px;">
                            <span style="font-weight: 700;">${L.title}</span>
                            <span style="font-size: 13px; font-weight: 600; color: var(--pk-fg); cursor: default;">
                                by <a href="https://github.com/digbug82/PikPak_Enhancement_Master" target="_blank"
                                      style="color: inherit; text-decoration: none; transition: color 0.2s; font-weight: inherit; cursor: pointer;"
                                      onmouseover="this.style.color='var(--pk-pri)'"
                                      onmouseout="this.style.color='inherit'">digbug82</a>
                            </span>
                        </div>
                    </div>
                    <div style="display:flex; gap:4px;">
                        <div class="pk-btn" id="pk-theme" style="width:32px;padding:0;justify-content:center;" data-pk-tip="${L.tip_theme}">${themeIcon}</div>
                        <div class="pk-btn" id="pk-help" style="width:32px;padding:0;justify-content:center;" data-pk-tip="${L.tip_help}">${CONF.icons.help}</div>
                        <div class="pk-btn" id="pk-maximize" style="width:32px;padding:0;justify-content:center;" data-pk-tip="${L.tip_maximize}">${CONF.icons.maximize}</div>
                        <div class="pk-btn" id="pk-close" style="width:32px;padding:0;justify-content:center;" data-pk-tip="${L.tip_close}">${CONF.icons.close}</div>
                    </div>
                </div>

                <div class="pk-tb" id="pk-top-bar">
                    <div class="pk-nav" id="pk-crumb"></div>

                    <div id="pk-filter-bar" style="display:none; align-items:center; gap:8px; height:100%; margin-left:10px;">
                        <button class="pk-btn" id="pk-filter-btn" style="border:1px solid var(--pk-bd); background:var(--pk-bg); padding:0 12px; height:32px; border-radius:6px; box-shadow: 0 1px 2px rgba(0,0,0,0.05);">
                            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="22 3 2 3 10 12.46 10 19 14 21 14 12.46 22 3"></polygon></svg>
                            <span style="font-weight:500; color:var(--pk-fg);">${L.btn_filter}</span>
                        </button>

                        <div id="pk-filter-active-ui" style="display:none; align-items:center; gap:8px; height:100%;">
                            <div id="pk-filter-cat-label" style="background:var(--pk-bg); border: 1px solid var(--pk-bd); padding:0 12px; height:32px; display:flex; align-items:center; border-radius:4px; font-size:13px; font-weight:500; color:var(--pk-fg); cursor:pointer; transition:all 0.2s;" onmouseover="this.style.borderColor='var(--pk-pri)';this.style.color='var(--pk-pri)';" onmouseout="this.style.borderColor='var(--pk-bd)';this.style.color='var(--pk-fg)';"></div>

                            <div id="pk-filter-exts-wrap" style="display:flex; align-items:center; background:var(--pk-bg); border:1px solid var(--pk-bd); border-radius:4px; padding:0 4px; height:32px; position:relative;">
                                <div id="pk-filter-exts-main" style="display:flex; align-items:center; gap:4px; padding:0 4px;"></div>
                                <div id="pk-filter-exts-more-btn" style="cursor:pointer; padding:0 8px; display:flex; align-items:center; color:#888;">
                                    <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3"><polyline points="6 9 12 15 18 9"></polyline></svg>
                                </div>
                            </div>

                            <button class="pk-btn pri" id="pk-filter-exit-btn" style="background:var(--pk-pri); color:#fff; border:none; height:32px; padding:0 15px; font-size:13px; font-weight:500; border-radius:4px;">
                                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M9 14L4 9l5-5"/><path d="M4 9h10.5a5.5 5.5 0 0 1 5.5 5.5v0a5.5 5.5 0 0 1-5.5 5.5H11"/></svg>
                                <span>${L.btn_exit_filter}</span>
                            </button>
                        </div>
                    </div>

                    <div class="pk-dup-toolbar" id="pk-offline-tools" style="display:none; margin-left:10px; border-right:1px solid var(--pk-bd); padding-right:10px; margin-right:10px;">
                        <label class="pk-dup-chk" style="margin-right:10px;cursor:pointer;display:flex;align-items:center;">
                            <input type="checkbox" id="pk-off-run" checked style="margin:0 4px 0 0;accent-color:var(--pk-pri);">
                            <span style="font-size:13px;color:var(--pk-fg);">${L.lbl_task_run}</span>
                        </label>
                        <label class="pk-dup-chk" style="margin-right:10px;cursor:pointer;display:flex;align-items:center;">
                            <input type="checkbox" id="pk-off-fail" checked style="margin:0 4px 0 0;accent-color:var(--pk-pri);">
                            <span style="font-size:13px;color:#d93025;">${L.lbl_task_fail}</span>
                        </label>
                        <label class="pk-dup-chk" style="margin-right:0;cursor:pointer;display:flex;align-items:center;">
                            <input type="checkbox" id="pk-off-ok" checked style="margin:0 4px 0 0;accent-color:var(--pk-pri);">
                            <span style="font-size:13px;color:#52c41a;">${L.lbl_task_ok}</span>
                        </label>
                    </div>

                    <div class="pk-dup-toolbar" id="pk-upload-tools" style="display:none; margin-left:10px; border-right:1px solid var(--pk-bd); padding-right:10px; margin-right:10px;">
                        <label class="pk-dup-chk" style="margin-right:10px;cursor:pointer;display:flex;align-items:center;">
                            <input type="checkbox" id="pk-chk-up-run" checked style="margin:0 4px 0 0;accent-color:var(--pk-pri);">
                            <span style="font-size:13px;color:var(--pk-fg);">${L.lbl_up_run}</span>
                        </label>
                        <label class="pk-dup-chk" style="margin-right:10px;cursor:pointer;display:flex;align-items:center;" data-pk-tip="${L.tip_up_pause_desc}">
                            <input type="checkbox" id="pk-chk-up-pause" checked style="margin:0 4px 0 0;accent-color:var(--pk-pri);">
                            <span style="font-size:13px;color:#faad14;">${L.lbl_up_pause}</span>
                        </label>
                        <label class="pk-dup-chk" style="margin-right:0;cursor:pointer;display:flex;align-items:center;">
                            <input type="checkbox" id="pk-chk-up-done" checked style="margin:0 4px 0 0;accent-color:var(--pk-pri);">
                            <span style="font-size:13px;color:#52c41a;">${L.lbl_up_done}</span>
                        </label>
                    </div>

                    <div class="pk-dup-toolbar" id="pk-dup-filters" style="margin-left:10px; padding-right:2px;">
                        ${mkLbl('pk-chk-hash', L.tag_hash, L.tag_hash_short)}
                        ${mkLbl('pk-chk-sim', L.tag_sim, L.tag_sim_short)}
                        ${mkLbl('pk-chk-name', L.tag_name, L.tag_name_short)}
                    </div>

                    <div class="pk-dup-toolbar" id="pk-dup-tools" style="display:none; align-items:center; gap:4px; padding:0 10px; height:100%; border-left:1px solid var(--pk-bd); border-right:1px solid var(--pk-bd); margin-right:10px;">
                        <div id="pk-dup-folder-sel-wrap" style="display:inline-flex; align-items:center; width:220px; margin-right:5px; position:relative;">
                            <select id="pk-dup-folder-sel" style="position:absolute; inset:0; width:0; height:0; opacity:0; pointer-events:none;">
                                <option value="">${L.lbl_dup_select_folder}</option>
                            </select>
                            <button type="button" id="pk-dup-folder-btn">
                                <span id="pk-dup-folder-btn-txt">${L.lbl_dup_select_folder}</span>
                            </button>
                        </div>

                        <label style="display:inline-flex; align-items:center; margin-right:8px; cursor:pointer; user-select:none; opacity:0.5;" data-pk-tip="${L.tip_dup_invert_limit}">
                            <input type="checkbox" id="pk-dup-invert" disabled style="margin:0 4px 0 0;">
                            <span class="pk-txt-long" style="font-size:12px; color:var(--pk-fg);">${L.lbl_dup_invert}</span>
                            <span class="pk-txt-short" style="font-size:12px; color:var(--pk-fg);">${L.lbl_dup_invert_short}</span>
                        </label>

                        <button class="pk-ana-select-btn" id="pk-dup-smart-btn" style="display:flex; margin-right:4px;">
                            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polygon points="22 3 2 3 10 12.46 10 19 14 21 14 12.46 22 3"></polygon></svg>
                            <span>${L.btn_ana_select}</span>
                        </button>
                        <button class="pk-ana-select-btn" id="pk-dup-sort-btn" style="display:flex; margin-right:0;">
                            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><line x1="12" y1="5" x2="12" y2="19"></line><polyline points="19 12 12 19 5 12"></polyline></svg>
                            <span>${L.btn_in_group_sort}</span>
                        </button>
                    </div>

                    <div style="flex:1"></div>

                    <label class="pk-global-chk" id="pk-lbl-global">
                        <input type="checkbox" id="pk-chk-global" ${S.wasGlobalChecked ? 'checked' : ''}>
                        <span>${L.lbl_global_search}</span>
                    </label>
                    <label class="pk-global-chk" id="pk-search-path-con" style="display:none; margin-right:8px;" data-pk-tip="${L.lbl_search_path}">
                        <input type="checkbox" id="pk-chk-search-path">
                        <span class="pk-txt-long">${L.lbl_search_path}</span>
                        <span class="pk-txt-short">${L.lbl_search_path_short}</span>
                    </label>

                    <div class="pk-search">
                        <input type="text" id="pk-search-input" placeholder="${L.placeholder_search}" autocomplete="off">
                        <div class="pk-search-clear" id="pk-search-clear">${CONF.icons.close}</div>
                        <svg id="pk-search-btn" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"></circle><line x1="21" y1="21" x2="16.65" y2="16.65"></line></svg>
                        <div class="pk-hist-pop" id="pk-search-hist"></div>
                    </div>

                    <button class="pk-btn" id="pk-export" data-pk-tip="${L.tip_export}">
                        ${CONF.icons.export} <span>${L.btn_export}</span>
                    </button>

                    <button class="pk-btn" id="pk-scan-dup" data-pk-tip="${L.tip_scan_dup}">
                        ${CONF.icons.scanDup} <span>${L.title_file_analysis}</span>
                    </button>

                    <button class="pk-btn" id="pk-analyze" data-pk-tip="${L.tip_analyze}">
                        ${CONF.icons.analyze} <span>${L.btn_analyze}</span>
                    </button>

                    <button class="pk-btn" id="pk-btn-exit" style="display:none; color:#d93025; border-color:transparent; margin-left:10px; flex-shrink:0;">
                        ${CONF.icons.close} <span>${L.btn_exit}</span>
                    </button>
                </div>

                <div class="pk-tb" id="pk-trash-bar" style="display:none;">
                    <button class="pk-btn" id="pk-trash-refresh" data-pk-tip="${L.tip_refresh}">${CONF.icons.refresh} <span>${L.btn_refresh_short}</span></button>
                    <div class="pk-sep"></div>
                    <button class="pk-btn" id="pk-restore" data-pk-tip="${L.tip_restore}" disabled>
                       ${CONF.icons.restore} <span>${L.btn_restore}</span>
                    </button>
                    <button class="pk-btn" id="pk-del-forever" data-pk-tip="${L.tip_del_forever}" disabled>
                       ${CONF.icons.delForever} <span>${L.btn_del_forever}</span>
                    </button>
                    <button class="pk-btn pk-btn-danger" id="pk-empty-trash" data-pk-tip="${L.tip_empty_trash}" style="margin-left: 4px;">
                       ${CONF.icons.emptyTrash} <span>${L.btn_empty_trash}</span>
                    </button>

                    <div style="flex:1;"></div>
                    <button class="pk-btn" id="pk-trash-blacklist-manager" data-pk-tip="${L.tip_blacklist_input}" style="color:#d93025">
                        ${CONF.icons.blacklist} <span>${L.title_blacklist}</span>
                    </button>
                </div>

                <div class="pk-tb" id="pk-actionbar">
                <button class="pk-btn" id="pk-refresh" data-pk-tip="${L.tip_refresh}">${CONF.icons.refresh} <span>${L.btn_refresh_short}</span></button>
                <button class="pk-btn" id="pk-off-copy-link" style="display:none;" data-pk-tip="${L.tip_copy_link}">${ctxIcons.copyLink} <span>${L.btn_copy_link}</span></button>
                <button class="pk-btn" id="pk-retry-task" style="display:none;" data-pk-tip="${L.tip_retry_task}">${CONF.icons.retry} <span>${L.btn_retry_task}</span></button>
                <button class="pk-btn" id="pk-up-pause" style="display:none;" data-pk-tip="${L.tip_up_pause}">${CONF.icons.taskPause} <span>${L.btn_up_pause}</span></button>
                <button class="pk-btn" id="pk-up-start" style="display:none;" data-pk-tip="${L.tip_up_start}">${CONF.icons.taskStart} <span>${L.btn_up_start}</span></button>
                <button class="pk-btn" id="pk-up-del" style="display:none;" data-pk-tip="${L.tip_up_del}">${CONF.icons.del} <span>${L.btn_up_del}</span></button>
                <button class="pk-btn" id="pk-up-clear-all" style="display:none;" data-pk-tip="${L.tip_up_clear_all}">${CONF.icons.cleanAll} <span>${L.btn_up_clear_all}</span></button>

                <button class="pk-btn" id="pk-newfolder" data-pk-tip="${L.tip_newfolder}">${CONF.icons.newfolder} <span>${L.btn_newfolder}</span></button>
                <button class="pk-btn" id="pk-del" data-pk-tip="${L.tip_del}">${CONF.icons.del} <span>${L.btn_del}</span></button>
                <button class="pk-btn" id="pk-deselect" data-pk-tip="${L.tip_deselect}" style="display:none">${CONF.icons.deselect} <span>${L.btn_deselect}</span></button>
                <div class="pk-sep"></div>
                <button class="pk-btn" id="pk-copy" data-pk-tip="${L.tip_copy}">${CONF.icons.copy} <span>${L.btn_copy}</span></button>
                <button class="pk-btn" id="pk-cut" data-pk-tip="${L.tip_cut}">${CONF.icons.cut} <span>${L.btn_cut}</span></button>
                <button class="pk-btn" id="pk-paste" data-pk-tip="${L.tip_paste}" disabled>${CONF.icons.paste} <span>${L.btn_paste}</span></button>
                <div class="pk-sep"></div>
                <button class="pk-btn" id="pk-rename" data-pk-tip="${L.tip_rename}">${CONF.icons.rename} <span>${L.btn_rename}</span></button>
                <button class="pk-btn" id="pk-bulkrename" data-pk-tip="${L.tip_bulkrename}">${CONF.icons.bulkrename} <span>${L.btn_bulkrename}</span></button>
                <button class="pk-btn" id="pk-prune" data-pk-tip="${L.tip_prune}">${CONF.icons.prune} <span>${L.btn_prune}</span></button>
                <button class="pk-btn" id="pk-unzip" data-pk-tip="${L.tip_unzip}">${CONF.icons.unzip} <span>${L.btn_unzip}</span></button>
                <button class="pk-btn" id="pk-cancel-share" data-pk-tip="${L.btn_cancel_share} [Delete]" style="display:none;">${CONF.icons.unshare} <span>${L.btn_cancel_share}</span></button>
                <div style="flex:1"></div>

                <div class="pk-dropdown-wrap" id="pk-upload-wrap">
                    <button class="pk-btn pri" id="pk-btn-upload" style="background:var(--pk-pri); color:#fff; border:none; margin-right:8px;">
                        ${CONF.icons.uploadBtn} <span>${L.btn_upload}</span>
                        <svg class="pk-btn-arrow" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" style="margin-left:4px;"><polyline points="6 9 12 15 18 9"/></svg>
                    </button>
                    <div class="pk-dropdown-menu">
                        <div class="pk-dropdown-item" id="pk-act-upload-file">
                            ${CONF.icons.upFile} ${L.btn_up_file}
                        </div>
                        <div class="pk-dropdown-item" id="pk-act-upload-folder">
                            ${CONF.icons.upFolder} ${L.btn_up_folder}
                        </div>
                    </div>
                    <input type="file" id="pk-file-selector" multiple style="display:none;">
                    <input type="file" id="pk-folder-selector" webkitdirectory directory multiple style="display:none;">
                </div>

                <button class="pk-btn" id="pk-blacklist-manager" data-pk-tip="${L.tip_blacklist_input}" style="color:#d93025">
                    ${CONF.icons.blacklist} <span>${L.title_blacklist}</span>
                </button>
            </div>

            <div class="pk-grid-hd" style="grid-template-columns: 36px 30px 1fr 80px 105px 130px;">
                <div><input type="checkbox" id="pk-all"></div>
                <div class="pk-col" data-k="starred" style="justify-content:center; display:flex; align-items:center;">
                    <svg viewBox="0 0 1024 1024" width="16" height="16" style="margin-top:-2px;">
                        <path d="M953.107692 425.353846c3.938462-19.692308-11.815385-39.384615-31.507692-43.323077l-259.938462-39.384615-118.153846-244.184616c-3.938462-7.876923-7.876923-11.815385-15.753846-15.753846-7.876923-3.938462-15.753846-3.938462-19.692308-3.938461h-3.938461c-3.938462 0-7.876923 3.938462-11.815385 3.938461 0 0-3.938462 0-3.938461 3.938462-3.938462 3.938462-3.938462 7.876923-7.876923 11.815384v3.938462l-118.153846 244.184615-259.938462 39.384616c-3.938462 0-7.876923 3.938462-11.815385 3.938461 0 0-3.938462 0-3.938461 3.938462 0 0-3.938462 0-3.938462 3.938461v3.938462c0 3.938462-3.938462 3.938462-3.938461 7.876923 0 0 0 3.938462-3.938462 3.938462v15.753846c0 3.938462 0 3.938462 3.938462 7.876923 0 3.938462 3.938462 7.876923 7.876923 11.815384L275.692308 638.030769 232.369231 905.846154V917.661538c0 3.938462 0 3.938462 3.938461 7.876924v3.938461c0 3.938462 3.938462 3.938462 7.876923 7.876923l3.938462 3.938462c3.938462 0 3.938462 3.938462 7.876923 3.938461H275.692308c3.938462 0 7.876923 0 11.815384-3.938461l78.769231-43.323077 149.661539-78.769231 3.938461-3.938462 232.369231 126.03077c7.876923 3.938462 15.753846 3.938462 23.630769 3.938461 19.692308-3.938462 31.507692-23.630769 27.569231-43.323077l-43.323077-267.815384 189.046154-189.046154c0-7.876923 0-11.815385 3.938461-19.692308z" fill="#FFC107"></path>
                    </svg>
                    <span style="font-size:10px; margin-left:0;"></span>
                </div>
                <div class="pk-col" data-k="name" style="display:flex; align-items:center;">
                    <div id="pk-name-text-wrap" style="display:flex; align-items:center; transition:color 0.2s;">
                        ${L.col_name}<span style="display:inline-block; min-width:18px; text-align:center;"></span>
                    </div>

                    <div id="pk-btn-folder-first" data-pk-tip="${L.lbl_folder_first}" style="margin-left:8px; cursor:pointer; display:flex; align-items:center; color:#666; transition:color 0.2s;">
                        ${CONF.icons.folderFirst}
                        <span style="margin-left:2px;">${L.lbl_folder_first}</span>
                    </div>

                    <div id="pk-btn-invert" data-pk-tip="${L.btn_invert}" style="margin-left:12px; cursor:pointer; display:none; align-items:center; color:var(--pk-fg); transition:color 0.2s; pointer-events:auto;">
                        ${CONF.icons.invert}
                        <span style="margin-left:2px; color:var(--pk-fg);">${L.btn_invert}</span>
                   </div>
                </div>
                <div class="pk-col" data-k="path" style="display:none; cursor:default; color:#888;">${L.col_path} <span></span></div>
                <div class="pk-col" data-k="size">${L.col_size} <span></span></div>
                <div class="pk-col" data-k="duration">${L.col_dur} <span></span></div>
                <div class="pk-col" data-k="modified_time">${L.col_date} <span></span></div>
            </div>
            <div class="pk-vp" id="pk-vp">
                <div class="pk-in" id="pk-in"></div>
            </div>
            <div class="pk-ft">
                <div class="pk-stat" id="pk-stat">${L.status_ready.replace('{n}', 0)}</div>
                <div class="pk-grp">
                    <button class="pk-btn" id="pk-migrate" data-pk-tip="${L.tip_migrate}" style="color: var(--pk-pri);">${CONF.icons.migrate} <span>${L.btn_migrate}</span></button>
                    <button class="pk-btn" id="pk-img-search" data-pk-tip="${L.tip_play_search}"><svg width="16" height="16" viewBox="0 0 24 24" fill="currentColor"><g transform="scale(0.0234375)"><path d="M107.739429 580.388571a365.860571 365.860571 0 0 0 648.630857 85.504L635.611429 532.48a36.571429 36.571429 0 0 0-56.612572 2.852571l-39.131428 53.101715a109.714286 109.714286 0 0 1-167.716572 10.605714L235.008 455.387429a36.571429 36.571429 0 0 0-58.002286 6.729142l-69.266285 118.272z m-19.894858-110.738285l26.038858-44.470857a109.714286 109.714286 0 0 1 174.08-20.333715l137.216 143.798857a36.571429 36.571429 0 0 0 55.881142-3.584l39.131429-53.101714a109.714286 109.714286 0 0 1 169.691429-8.484571l102.985142 113.810285A365.714286 365.714286 0 1 0 87.844571 469.577143z m658.139429 318.317714a438.857143 438.857143 0 1 1 50.029714-52.736c1.316571 1.024 2.56 2.194286 3.803429 3.437714l206.921143 206.848a36.571429 36.571429 0 0 1-51.712 51.712l-206.921143-206.848a37.083429 37.083429 0 0 1-2.194286-2.413714zM526.628571 314.514286a73.142857 73.142857 0 1 1 0-146.285715 73.142857 73.142857 0 0 1 0 146.285715z" fill="currentColor"></path></g></svg> <span>${L.btn_img_search.replace(' [F]', '')}</span></button>
                    <button class="pk-btn" id="pk-ext" data-pk-tip="${L.tip_ext}">${CONF.icons.ext} <span>${L.btn_ext}</span></button>
                    <button class="pk-btn" id="pk-aria2" data-pk-tip="${L.tip_aria2}">${CONF.icons.aria2} <span>${L.btn_aria2}</span></button>
                    <button class="pk-btn" id="pk-down" data-pk-tip="${L.tip_down}">${CONF.icons.download} <span>${L.btn_down}</span></button>
                </div>
            </div>

            </div>

        </div>

        <div class="pk-pop" id="pk-pop"></div>
        <div class="pk-ctx" id="pk-ctx">
            <div class="pk-ctx-item" id="ctx-share">${CONF.icons.share} ${L.ctx_share}</div>
            <div class="pk-ctx-sep" id="sep-1"></div>

            <div class="pk-ctx-item" id="ctx-open">${ctxIcons.open} ${L.ctx_open}</div>
            <div class="pk-ctx-item" id="ctx-ext-play" style="display:none;">${CONF.icons.ext} ${L.btn_ext}</div>
            <div class="pk-ctx-item" id="ctx-star">${ctxIcons.star} ${L.ctx_star}</div>
            <div class="pk-ctx-item" id="ctx-property">${ctxIcons.info} ${L.ctx_property}</div>
            <div class="pk-ctx-item" id="ctx-locate" style="display:none;">${ctxIcons.locate} ${L.ctx_locate}</div>
            <div class="pk-ctx-sep" id="sep-2"></div>

            <div class="pk-ctx-item" id="ctx-down">${ctxIcons.download} ${L.ctx_down}</div>
            <div class="pk-ctx-item" id="ctx-copy-name">${ctxIcons.copyName} ${L.ctx_copy_name}</div>
            <div class="pk-ctx-item" id="ctx-copy-link" style="display:none;">${ctxIcons.copyLink} ${L.ctx_copy_link}</div>
            <div class="pk-ctx-sep" id="sep-3"></div>

            <div class="pk-ctx-item" id="ctx-cut">${ctxIcons.move} ${L.btn_cut}</div>
            <div class="pk-ctx-item" id="ctx-copy">${ctxIcons.copy} ${L.ctx_copy}</div>
            <div class="pk-ctx-item" id="ctx-rename">${ctxIcons.rename} ${L.ctx_rename}</div>
            <div class="pk-ctx-item" id="ctx-prune">${CONF.icons.prune} ${L.btn_prune}</div>
            <div class="pk-ctx-sep" id="sep-4"></div>


            <div class="pk-ctx-item" id="ctx-sh-cancel" style="display:none; color:#d93025;">${CONF.icons.unshare} ${L.btn_cancel_share}</div>

            <div class="pk-ctx-sep" id="sep-trash-1" style="display:none;"></div>
            <div class="pk-ctx-item" id="ctx-restore" style="display:none">${ctxIcons.restore} ${L.btn_restore}</div>
            <div class="pk-ctx-sep" id="sep-trash-2" style="display:none;"></div>
            <div class="pk-ctx-item" id="ctx-del-forever" style="display:none; color:#d93025;">${ctxIcons.delForever} ${L.btn_del_forever}</div>

            <div class="pk-ctx-item" id="ctx-del" style="color:#d93025">${ctxIcons.trash} ${L.ctx_del}</div>

            <div class="pk-ctx-item" id="ctx-add-bl" style="color:#d93025">${ctxIcons.blAdd} ${L.ctx_add_bl}</div>

            <div class="pk-ctx-sep" id="sep-share-extra" style="display:none;"></div>
            <div class="pk-ctx-item" id="ctx-sh-detail" style="display:none;">${ctxIcons.info} ${L.ctx_share_detail}</div>
            <div class="pk-ctx-item" id="ctx-sh-copy" style="display:none;">${ctxIcons.copy} ${L.ctx_share_copy}</div>
        </div>
    `;
    document.body.appendChild(el);

    const destroyTooltip = (() => {
        const tipEl = document.createElement('div');
        tipEl.className = 'pk-tooltip';

        const style = document.createElement('style');
        style.textContent = `
        .pk-tooltip {
            zoom: var(--pk-zoom, 1);
            width: max-content; max-width: 280px; min-width: auto;
            background: var(--pk-tip-bg); color: var(--pk-tip-fg);
            border: 1px solid var(--pk-tip-bd);
            padding: 6px; box-sizing: border-box; border-radius: 8px; font-size: 12px; line-height: 1.4;
            position: fixed; z-index: 2147483647 !important; pointer-events: none;
            box-shadow: 0 4px 16px var(--pk-tip-sd); backdrop-filter: blur(4px);
            display: flex; flex-direction: column; gap: 4px;

            white-space: normal;
            word-break: break-all;
            text-align: justify;

            opacity: 0; transform: translateY(5px) scale(0.95);
            transition: opacity 0.15s ease, transform 0.15s ease;
        }
        .pk-tooltip.pk-dark {
            --pk-tip-bg: rgba(20, 20, 20, 0.95); --pk-tip-fg: #ffffff;
            --pk-tip-bd: rgba(255, 255, 255, 0.1); --pk-tip-sd: rgba(0, 0, 0, 0.4);
        }
        .pk-tooltip.show { opacity: 1; transform: translateY(0) scale(1); }
        body.pk-dragging .pk-tooltip { display: none !important; opacity: 0 !important; }
        .pk-tooltip img { display: none; width: 100%; max-width: 100%; max-height: 320px; height: auto; object-fit: cover; border-radius: 4px; margin-bottom: 0 !important; display: block; }
    `;
    document.head.appendChild(style);

    document.body.appendChild(tipEl);

    let activeTarget = null;
        let isMenuOpen = false;
        let lastMouseX = 0, lastMouseY = 0;

        const hideTip = () => {
            tipEl.style.display = 'none';
            tipEl.classList.remove('show');
            tipEl.style.left = '-9999px';
            activeTarget = null;
        };

        const renderTip = (target) => {
            const isDark = document.querySelector('.pk-ov')?.classList.contains('pk-dark');
            tipEl.classList.toggle('pk-dark', !!isDark);

            const text = target.getAttribute('data-pk-tip');
            const thumb = target.getAttribute('data-pk-thumb');
            if (!text && !thumb) { hideTip(); return; }

            activeTarget = target;
            if (tipEl.parentNode && tipEl.nextSibling) {
                document.body.appendChild(tipEl);
            }
            let html = '';
            if (thumb && thumb !== 'undefined' && thumb !== 'null' && (thumb.startsWith('http') || thumb.startsWith('blob:'))) {
                const isBlur = gmGet('pk_blur_thumb', false);
                html += `<img src="${thumb}" style="${isBlur ? 'filter:blur(8px);' : ''}" onload="this.style.display='block'; this.style.marginBottom='6px';" onError="this.remove()">`;
            }
            if (text) {
                html += `<div>${text}</div>`;
            }

            tipEl.innerHTML = html;
            tipEl.style.display = 'block';
            requestAnimationFrame(() => tipEl.classList.add('show'));
        };

        document.addEventListener('mouseover', (e) => {
            lastMouseX = e.clientX; lastMouseY = e.clientY;
            if (isMenuOpen) return;
            if (document.body.classList.contains('pk-dragging')) { hideTip(); return; }
            if (document.querySelector('#pk-ctx')?.style.display === 'block') return;

            const target = e.target.closest('[data-pk-tip], [data-pk-thumb]');
            if (!target) return;
            if (target === activeTarget) return;

            const isName = target.classList.contains('pk-name') || target.closest('.pk-name');
            const isPath = target.classList.contains('pk-path') || target.closest('.pk-path');
            const isThumb = target.hasAttribute('data-pk-thumb');
            const isUI = target.closest('.pk-tb, .pk-sidebar, .pk-hd, .pk-ft, .pk-player-box, .pk-modal, .pk-img-box');
            const isForceTip = target.classList.contains('pk-force-tip');

            if (!isName && !isPath && !isThumb && !isUI && !isForceTip) {
                if (target.scrollWidth <= target.clientWidth + 1) return;
            }

            renderTip(target);
            updatePos({ clientX: lastMouseX, clientY: lastMouseY });
        });

        const updatePos = (e) => {
            if (!tipEl || isMenuOpen || tipEl.style.display === 'none') return;
            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            let left = (e.clientX / scale) + 15;
            let top = (e.clientY / scale) + 15;
            const rect = getLogicalRect(tipEl);
            const w = rect.width;
            const h = rect.height;
            const winW = window.innerWidth / scale;
            const winH = window.innerHeight / scale;

            if (left + w > winW - 10) left = (e.clientX / scale) - w - 15;
            if (top + h > winH - 10) top = (e.clientY / scale) - h - 15;
            tipEl.style.left = `${left}px`;
            tipEl.style.top = `${top}px`;
        };

        const onGlobalMouseMove = (e) => {
            lastMouseX = e.clientX; lastMouseY = e.clientY;
            if (document.body.classList.contains('pk-dragging')) { hideTip(); return; }
            updatePos(e);
            if (activeTarget && tipEl.style.display !== 'none') {
                const actualTarget = e.target.closest('[data-pk-tip],[data-pk-thumb]');
                if (actualTarget !== activeTarget) {
                    hideTip();
                }
            }
        };
        document.addEventListener('mousemove', onGlobalMouseMove);

        const onGlobalMouseOut = (e) => {
            const target = e.target.closest('[data-pk-tip],[data-pk-thumb]');
            if (target && target === activeTarget) {
                if (target.contains(e.relatedTarget)) return;
                hideTip();
            }
        };
        document.addEventListener('mouseout', onGlobalMouseOut);

        const onGlobalCtxMenu = () => { isMenuOpen = true; hideTip(); };
        const onGlobalClick = () => { isMenuOpen = false; if(activeTarget) hideTip(); };
        const onGlobalWheel = () => { isMenuOpen = false; hideTip(); };

        window.addEventListener('contextmenu', onGlobalCtxMenu, true);
        window.addEventListener('click', onGlobalClick, true);
        window.addEventListener('wheel', onGlobalWheel, { passive: true, capture: true });

        window.pkRefreshTooltip = () => {
            if (isMenuOpen || document.body.classList.contains('pk-dragging')) {
                hideTip(); return;
            }
            const elUnder = document.elementFromPoint(lastMouseX, lastMouseY);
            if (!elUnder) { hideTip(); return; }

            const target = elUnder.closest('[data-pk-tip], [data-pk-thumb]');
            if (!target) {
                hideTip(); return;
            }

            if (target.closest('.pk-grid-card-row')) {
                hideTip();
                return;
            }

            const isName = target.classList.contains('pk-name') || target.closest('.pk-name');
            const isPath = target.classList.contains('pk-path') || target.closest('.pk-path');
            const isThumb = target.hasAttribute('data-pk-thumb');
            const isUI = target.closest('.pk-tb, .pk-sidebar, .pk-hd, .pk-ft, .pk-player-box, .pk-modal, .pk-img-box');
            const isForceTip = target.classList.contains('pk-force-tip');

            if (!isName && !isPath && !isThumb && !isUI && !isForceTip) {
                if (target.scrollWidth <= target.clientWidth + 1) {
                    hideTip();
                    return;
                }
            }

            renderTip(target);
            updatePos({ clientX: lastMouseX, clientY: lastMouseY });
        };

        return () => {
            document.removeEventListener('mousemove', onGlobalMouseMove);
            document.removeEventListener('mouseout', onGlobalMouseOut);
            window.removeEventListener('contextmenu', onGlobalCtxMenu, true);
            window.removeEventListener('click', onGlobalClick, true);
            window.removeEventListener('wheel', onGlobalWheel, { passive: true, capture: true });
            delete window.pkRefreshTooltip;
            if (tipEl && tipEl.parentNode) tipEl.remove();
            if (style && style.parentNode) style.remove();
        };
    })();
    const UI = {
        win: el.querySelector('.pk-win'), vp: el.querySelector('#pk-vp'), in: el.querySelector('#pk-in'),
        loader: el.querySelector('#pk-loader'), loadTxt: el.querySelector('#pk-load-txt'), stopBtn: el.querySelector('#pk-stop-load'),
        crumb: el.querySelector('#pk-crumb'), stat: el.querySelector('#pk-stat'),
        chkAll: el.querySelector('#pk-all'), scan: el.querySelector('#pk-scan-dup'),
        dupTools: el.querySelector('#pk-dup-tools'),
        dupFilters: el.querySelector('#pk-dup-filters'),
        chkName: el.querySelector('#pk-chk-name'),
        chkSim: el.querySelector('#pk-chk-sim'),
        chkHash: el.querySelector('#pk-chk-hash'),
        selDupFolder: el.querySelector('#pk-dup-folder-sel'),
        offTools: el.querySelector('#pk-offline-tools'),
        chkOffRun: el.querySelector('#pk-off-run'),
        chkOffFail: el.querySelector('#pk-off-fail'),
        chkOffOk: el.querySelector('#pk-off-ok'),
        upTools: el.querySelector('#pk-upload-tools'),
        chkUpRun: el.querySelector('#pk-chk-up-run'),
        chkUpPause: el.querySelector('#pk-chk-up-pause'),
        chkUpDone: el.querySelector('#pk-chk-up-done'),
        btnAnalyze: el.querySelector('#pk-analyze'),
        btnExport: el.querySelector('#pk-export'),
        btnFolderFirst: el.querySelector('#pk-btn-folder-first'),
        btnNavHome: el.querySelector('#pk-nav-home'),
        btnNavOffline: el.querySelector('#pk-nav-offline'),
        btnNavUpload: el.querySelector('#pk-nav-upload'),
        btnNavRecent: el.querySelector('#pk-nav-recent'),
        btnNavHistory: el.querySelector('#pk-nav-history'),
        btnNavShare: el.querySelector('#pk-nav-share'),
        btnNavStarred: el.querySelector('#pk-nav-starred'),
        btnNavTrash: el.querySelector('#pk-nav-trash'),
        trashBar: el.querySelector('#pk-trash-bar'),
        btnTrashRefresh: el.querySelector('#pk-trash-refresh'),
        bottomGrp: el.querySelector('.pk-ft .pk-grp'),
        actionBar: el.querySelector('#pk-actionbar'),
        btnRestore: el.querySelector('#pk-restore'),
        btnDelForever: el.querySelector('#pk-del-forever'),
        btnEmptyTrash: el.querySelector('#pk-empty-trash'),
        btnTrashBlacklistManager: el.querySelector('#pk-trash-blacklist-manager'),
        btnDupSmart: el.querySelector('#pk-dup-smart-btn'),
        btnDupSort: el.querySelector('#pk-dup-sort-btn'),
        btnExit: el.querySelector('#pk-btn-exit'),
        btnCopy: el.querySelector('#pk-copy'), btnCut: el.querySelector('#pk-cut'),
        btnDel: el.querySelector('#pk-del'), btnDeselect: el.querySelector('#pk-deselect'),
        btnRename: el.querySelector('#pk-rename'),
        btnBulkRename: el.querySelector('#pk-bulkrename'),
        btnPrune: el.querySelector('#pk-prune'),
        btnUnzip: el.querySelector('#pk-unzip'),
        btnMigrate: el.querySelector('#pk-migrate'),
        btnBlacklistManager: el.querySelector('#pk-blacklist-manager'),
        uploadWrap: el.querySelector('#pk-upload-wrap'),
        btnUpload: el.querySelector('#pk-btn-upload'),
        actUpFile: el.querySelector('#pk-act-upload-file'),
        actUpFolder: el.querySelector('#pk-act-upload-folder'),
        inpFile: el.querySelector('#pk-file-selector'),
        inpFolder: el.querySelector('#pk-folder-selector'),
        btnCancelShare: el.querySelector('#pk-cancel-share'),
        btnRetryTask: el.querySelector('#pk-retry-task'),
        btnCopyLinkOffline: el.querySelector('#pk-off-copy-link'),
        btnUpPause: el.querySelector('#pk-up-pause'),
        btnUpStart: el.querySelector('#pk-up-start'),
        btnUpDel: el.querySelector('#pk-up-del'),
        btnUpClearAll: el.querySelector('#pk-up-clear-all'),
        btnPaste: el.querySelector('#pk-paste'),
        btnPaste: el.querySelector('#pk-paste'),
        btnRefresh: el.querySelector('#pk-refresh'), btnNewFolder: el.querySelector('#pk-newfolder'),
        btnSettings: el.querySelector('#pk-settings'), btnClose: el.querySelector('#pk-close'),
        btnHelp: el.querySelector('#pk-help'),
        btnTheme: el.querySelector('#pk-theme'),
        btnExt: el.querySelector('#pk-ext'),
        btnImgSearch: el.querySelector('#pk-img-search'),
        btnAria2: el.querySelector('#pk-aria2'), btnDown: el.querySelector('#pk-down'),
        pop: el.querySelector('#pk-pop'), ctx: el.querySelector('#pk-ctx'), cols: el.querySelectorAll('.pk-col'),
        searchInput: el.querySelector('#pk-search-input'),
        chkGlobal: el.querySelector('#pk-chk-global'),
        lblGlobal: el.querySelector('#pk-lbl-global'),
        chkSearchPath: el.querySelector('#pk-chk-search-path'),
        lblSearchPath: el.querySelector('#pk-search-path-con'),
        btnAnaSelect: (function() {
            const parent = el.querySelector('#pk-search-path-con');
            const b = document.createElement('button'); b.className = 'pk-ana-select-btn'; b.id = 'pk-ana-select-btn'; b.style.marginRight = '4px';
            b.innerHTML = `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><polygon points="22 3 2 3 10 12.46 10 19 14 21 14 12.46 22 3"></polygon></svg> <span>${L.btn_ana_select}</span>`;
            if (parent) parent.parentNode.insertBefore(b, parent);
            return b;
        })(),
        btnAnaSort: (function() {
            const parent = el.querySelector('#pk-search-path-con');
            const b = document.createElement('button'); b.className = 'pk-ana-select-btn'; b.id = 'pk-ana-sort-btn';
            b.innerHTML = `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><line x1="12" y1="5" x2="12" y2="19"></line><polyline points="19 12 12 19 5 12"></polyline></svg> <span>${L.btn_in_group_sort}</span>`;
            if (parent) parent.parentNode.insertBefore(b, parent);
            return b;
        })(),
        topBar: el.querySelector('#pk-top-bar'),
        searchClear: el.querySelector('#pk-search-clear'),
        searchBtn: el.querySelector('#pk-search-btn'),
        searchHist: el.querySelector('#pk-search-hist'),
        filterBar: el.querySelector('#pk-filter-bar'),
        filterBtn: el.querySelector('#pk-filter-btn'),
        filterActiveUI: el.querySelector('#pk-filter-active-ui'),
        filterCatLabel: el.querySelector('#pk-filter-cat-label'),
        filterExtsWrap: el.querySelector('#pk-filter-exts-wrap'),
        filterExtsMain: el.querySelector('#pk-filter-exts-main'),
        filterExtsMoreBtn: el.querySelector('#pk-filter-exts-more-btn'),
        filterExitBtn: el.querySelector('#pk-filter-exit-btn')
    };

    const isAnalyzeGroupedRoot = () => {
        const cur = S.path && S.path.length ? S.path[S.path.length - 1] : null;
        return !!(S.analyzeMode && cur && cur.id === 'analyze_root' && S.analyzeSimGroups);
    };
    const isGroupedResultMode = () => !!(S.dupMode || isAnalyzeGroupedRoot());
    const canUseGridView = () => !S.shareMode && !S.offlineMode && !S.uploadMode && !S.historyMode && !S.trashMode;
    const isGridView = () => S.viewMode === 'grid' && canUseGridView();
    const getListRowHeight = () => UI.win && UI.win.classList.contains('pk-maximized') ? 60 : 40;
    const getGridCardHeight = () => UI.win && UI.win.classList.contains('pk-maximized') ? 324 : 286;
    const getGridCardRadius = () => UI.win && UI.win.classList.contains('pk-maximized') ? 22 : 18;
    const getGridLayout = () => {
        const vpRect = getLogicalRect(UI.vp || UI.in);
        const vpWidth = Math.max(0, Math.floor((vpRect && vpRect.width) || UI.vp?.clientWidth || 0));
        const isMax = UI.win && UI.win.classList.contains('pk-maximized');
        const padX = isMax ? 20 : 16;
        const gapX = isMax ? 18 : 16;
        const gapY = isMax ? 20 : 16;
        const minCardWidth = isMax ? 236 : 208;
        const innerWidth = Math.max(minCardWidth, vpWidth - padX * 2);
        const cols = Math.max(1, Math.floor((innerWidth + gapX) / (minCardWidth + gapX)));
        const cardWidth = Math.max(188, Math.floor((innerWidth - gapX * (cols - 1)) / cols));
        const cardHeight = Math.max(220, CONF.rowHeight - gapY);
        return { padX, gapX, gapY, cols, cardWidth, cardHeight };
    };
    const isGroupedGridView = () => !!(isGroupedResultMode() && isGridView());
    const getGroupedGridSectionMetrics = () => {
        const isMax = !!(UI.win && UI.win.classList.contains('pk-maximized'));
        return {
            headerHeight: isMax ? CONF.dupGridHeaderHeight.max : CONF.dupGridHeaderHeight.normal,
            sectionGap: isMax ? CONF.dupGridSectionGap.max : CONF.dupGridSectionGap.normal,
            bodyGapY: isMax ? CONF.dupGridBodyGapY.max : CONF.dupGridBodyGapY.normal
        };
    };
    const buildGroupedGridMetaKey = () => {
        const baseKey = getGridLayoutKey();
        const display = Array.isArray(S.display) ? S.display : [];
        const displayLen = display.length;
        if (!displayLen) return `${baseKey}::grouped-grid::empty`;
        let firstId = '';
        let lastId = '';
        let runSig = '';
        let prevRunKey = null;
        let runCount = 0;
        for (let i = 0; i < displayLen; i++) {
            const item = display[i];
            if (!item) continue;
            const itemId = item.id || '';
            if (!firstId) firstId = itemId;
            lastId = itemId || lastId;
            const runKey = item.isHeader ? `h:${itemId || i}` : `i:${S.dupGroups.has(itemId) ? S.dupGroups.get(itemId) : -1}`;
            if (runKey !== prevRunKey) {
                runSig += `${prevRunKey === null ? '' : '|'}${runKey}`;
                prevRunKey = runKey;
                runCount++;
            }
        }
        return `${baseKey}::grouped-grid::${displayLen}::${runCount}::${firstId}::${lastId}::${runSig}`;
    };
    const getGroupedGridMeta = (force = false) => {
        if (!isGroupedGridView()) {
            S.dupGridMeta = null;
            S.dupGridMetaKey = '';
            return null;
        }

        const metaKey = buildGroupedGridMetaKey();
        if (!force && S.dupGridMeta && S.dupGridMetaKey === metaKey) return S.dupGridMeta;

        const display = Array.isArray(S.display) ? S.display : [];
        const gridLayout = getGridLayout();
        const sectionMetrics = getGroupedGridSectionMetrics();
        const cols = Math.max(1, gridLayout.cols);
        const sectionGapY = Math.max(0, gridLayout.gapY || 0);
        const vpRect = getLogicalRect(UI.vp || UI.in);
        const fullWidth = Math.max(0, Math.floor((vpRect && vpRect.width) || UI.vp?.clientWidth || 0));

        const sections = [];
        const indexLayout = new Map();
        const indexToSection = new Map();

        let current = null;
        let totalHeight = 0;

        const pushSection = () => {
            if (!current) return;

            const itemCount = current.itemIndices.length;
            const rows = itemCount > 0 ? Math.ceil(itemCount / cols) : 0;
            const headerTop = totalHeight;
            const bodyTop = headerTop + sectionMetrics.headerHeight + (itemCount > 0 ? sectionGapY : 0);
            const bodyHeight = rows * CONF.rowHeight;
            const sectionHeight = sectionMetrics.headerHeight + (itemCount > 0 ? (sectionGapY + bodyHeight) : 0);

            const section = {
                key: current.key,
                groupIndex: current.groupIndex,
                reason: current.reason,
                title: current.title,
                headerIndex: current.headerIndex,
                itemIndices: [...current.itemIndices],
                itemIds: [...current.itemIds],
                itemCount,
                rows,
                cols,
                top: headerTop,
                headerHeight: sectionMetrics.headerHeight,
                bodyTop,
                bodyHeight,
                totalHeight: sectionHeight,
                bottom: headerTop + sectionHeight
            };

            if (current.headerIndex !== null) {
                indexLayout.set(current.headerIndex, {
                    kind: 'header',
                    sectionKey: current.key,
                    top: headerTop,
                    left: 0,
                    width: fullWidth,
                    height: sectionMetrics.headerHeight
                });
                indexToSection.set(current.headerIndex, section);
            }

            for (let localIdx = 0; localIdx < current.itemIndices.length; localIdx++) {
                const displayIndex = current.itemIndices[localIdx];
                const rowIdx = Math.floor(localIdx / cols);
                const colIdx = localIdx % cols;

                indexLayout.set(displayIndex, {
                    kind: 'item',
                    sectionKey: current.key,
                    localIndex: localIdx,
                    rowIdx,
                    colIdx,
                    top: bodyTop + rowIdx * CONF.rowHeight,
                    left: gridLayout.padX + colIdx * (gridLayout.cardWidth + gridLayout.gapX),
                    width: gridLayout.cardWidth,
                    height: gridLayout.cardHeight
                });
                indexToSection.set(displayIndex, section);
            }

            sections.push(section);
            totalHeight += sectionHeight;
            current = null;
        };

        for (let i = 0; i < display.length; i++) {
            const d = display[i];
            if (!d) continue;

            if (d.isHeader) {
                pushSection();

                const parsedGroupIndex = /^grp_\d+$/.test(d.id || '') ? parseInt(String(d.id).replace('grp_', ''), 10) : -1;
                current = {
                    key: d.id || `grp_auto_${i}`,
                    headerIndex: i,
                    groupIndex: parsedGroupIndex,
                    reason: d.type || '',
                    title: d.name || '',
                    itemIndices: [],
                    itemIds: []
                };
                continue;
            }

            if (!current) {
                current = {
                    key: `loose_${i}`,
                    headerIndex: null,
                    groupIndex: S.dupGroups.has(d.id) ? S.dupGroups.get(d.id) : -1,
                    reason: S.dupReasons.get(d.id) || '',
                    title: '',
                    itemIndices: [],
                    itemIds: []
                };
            }

            current.itemIndices.push(i);
            if (d.id) current.itemIds.push(d.id);
        }

        pushSection();

        if (sections.length > 0) totalHeight = Math.max(0, totalHeight);

        S.dupGridMetaKey = metaKey;
        S.dupGridMeta = {
            key: metaKey,
            cols,
            gridLayout,
            sectionMetrics,
            fullWidth,
            totalHeight: Math.max(0, totalHeight),
            sections,
            indexLayout,
            indexToSection
        };
        return S.dupGridMeta;
    };
    const findDupGridHitIndex = (logicalOffsetX, logicalOffsetY) => {
        if (!isGroupedGridView()) return -1;
        const dupGridMeta = getGroupedGridMeta();
        if (!dupGridMeta || !dupGridMeta.sections || !dupGridMeta.sections.length) return -1;

        const gridLayout = dupGridMeta.gridLayout || getGridLayout();
        if (logicalOffsetX < gridLayout.padX || logicalOffsetY < 0) return -1;

        const colStride = gridLayout.cardWidth + gridLayout.gapX;
        const relX = logicalOffsetX - gridLayout.padX;
        const colIdx = Math.floor(relX / Math.max(1, colStride));
        const withinColX = relX - colIdx * colStride;

        if (colIdx < 0 || colIdx >= gridLayout.cols || withinColX < 0 || withinColX > gridLayout.cardWidth) return -1;

        for (const section of dupGridMeta.sections) {
            if (logicalOffsetY < section.top) break;
            if (logicalOffsetY >= section.bottom) continue;
            if (logicalOffsetY < section.bodyTop || logicalOffsetY >= section.bodyTop + section.bodyHeight) return -1;

            const relY = logicalOffsetY - section.bodyTop;
            const rowIdx = Math.floor(relY / Math.max(1, CONF.rowHeight));
            const withinRowY = relY - rowIdx * CONF.rowHeight;

            if (rowIdx < 0 || rowIdx >= section.rows || withinRowY < 0 || withinRowY > gridLayout.cardHeight) return -1;

            const localIdx = rowIdx * gridLayout.cols + colIdx;
            if (localIdx < 0 || localIdx >= section.itemIndices.length) return -1;

            return section.itemIndices[localIdx];
        }

        return -1;
    };

    const getDupGridAnchorIndex = (logicalCenterX, logicalCenterY) => {
        if (!isGroupedGridView()) return -1;
        const dupGridMeta = getGroupedGridMeta();
        if (!dupGridMeta) return -1;

        const hitIdx = findDupGridHitIndex(logicalCenterX, logicalCenterY);
        if (hitIdx >= 0) return hitIdx;

        let bestIdx = -1;
        let bestScore = Infinity;

        dupGridMeta.indexLayout.forEach((layout, idx) => {
            if (!layout || layout.kind !== 'item') return;
            const cx = layout.left + (layout.width / 2);
            const cy = layout.top + (Math.min(layout.height, CONF.rowHeight) / 2);
            const score = Math.abs(cy - logicalCenterY) * 4 + Math.abs(cx - logicalCenterX);
            if (score < bestScore) {
                bestScore = score;
                bestIdx = idx;
            }
        });

        return bestIdx;
    };

    const getItemScrollTopByIndex = (targetIdx) => {
        if (targetIdx < 0) return 0;
        if (isGridView()) {
            if (isGroupedGridView()) {
                const dupGridMeta = getGroupedGridMeta();
                const layout = dupGridMeta && dupGridMeta.indexLayout ? dupGridMeta.indexLayout.get(targetIdx) : null;
                if (layout) return Math.max(0, layout.top);
            }
            const gridLayout = getGridLayout();
            const visualRow = Math.floor(targetIdx / Math.max(1, gridLayout.cols));
            return gridLayout.gapY + visualRow * CONF.rowHeight;
        }
        return targetIdx * CONF.rowHeight;
    };
    const getViewportAnchorId = (preferSelection = false) => {
        const selectedIds = S.getSelectedIds();
        const fallbackId = S.activeId || (selectedIds.length ? selectedIds[selectedIds.length - 1] : null);
        if (preferSelection && fallbackId && S.display.some(x => x.id === fallbackId)) return fallbackId;
        if (!UI.vp || !S.display.length) return fallbackId;
        const centerY = UI.vp.scrollTop + (UI.vp.clientHeight / 2);

        if (isGridView()) {
            const gridLayout = getGridLayout();

            if (isGroupedGridView()) {
                const usableWidth = Math.max(1, UI.vp.clientWidth - gridLayout.padX * 2);
                const logicalCenterX = gridLayout.padX + (usableWidth / 2);
                const targetIdx = getDupGridAnchorIndex(logicalCenterX, centerY);
                if (targetIdx >= 0 && targetIdx < S.display.length) {
                    return S.display[targetIdx]?.id || fallbackId;
                }
                return fallbackId;
            }

            const cols = Math.max(1, gridLayout.cols);
            const totalRows = Math.max(1, Math.ceil(S.display.length / cols));
            const adjustedCenterY = Math.max(0, centerY - gridLayout.gapY);
            const visualRow = Math.max(0, Math.min(totalRows - 1, Math.floor(adjustedCenterY / Math.max(1, CONF.rowHeight))));
            const usableWidth = Math.max(1, UI.vp.clientWidth - gridLayout.padX * 2);
            const centerX = usableWidth / 2;
            const visualCol = Math.max(0, Math.min(cols - 1, Math.floor(centerX / Math.max(1, gridLayout.cardWidth + gridLayout.gapX))));
            const targetIdx = Math.min(S.display.length - 1, visualRow * cols + visualCol);
            return S.display[targetIdx]?.id || fallbackId;
        }

        const targetIdx = Math.max(0, Math.min(S.display.length - 1, Math.floor(centerY / Math.max(1, CONF.rowHeight))));
        return S.display[targetIdx]?.id || fallbackId;
    };
    const syncLayoutMetrics = () => { CONF.rowHeight = isGridView() ? getGridCardHeight() : getListRowHeight(); };
    const getGridLayoutKey = () => {
        const vpRect = getLogicalRect(UI.vp || UI.in);
        const vpWidth = Math.max(0, Math.floor((vpRect && vpRect.width) || UI.vp?.clientWidth || 0));
        const vpHeight = Math.max(0, Math.floor(UI.vp?.clientHeight || 0));
        const gridLayout = getGridLayout();
        const isMax = UI.win && UI.win.classList.contains('pk-maximized') ? 1 : 0;
        return [vpWidth, vpHeight, gridLayout.cols, gridLayout.cardWidth, gridLayout.cardHeight, isMax].join(':');
    };
    const resetViewportRenderState = () => {
        if (S._gridRelayoutRaf1) {
            cancelAnimationFrame(S._gridRelayoutRaf1);
            S._gridRelayoutRaf1 = 0;
        }
        if (S._gridRelayoutRaf2) {
            cancelAnimationFrame(S._gridRelayoutRaf2);
            S._gridRelayoutRaf2 = 0;
        }

        if (!UI.in) return;

        const pool = UI.in._pkVisibleRowPool || [];
        for (let i = 0; i < pool.length; i++) {
            const row = pool[i];
            if (!row) continue;
            if (typeof resetPooledRow === 'function') resetPooledRow(row);
            if (row.parentNode === UI.in) UI.in.removeChild(row);
        }

        if (typeof cleanupNonPooledChildren === 'function') {
            cleanupNonPooledChildren(UI.in);
        }
    };

    const beginFolderViewSync = () => {
        if (S._folderViewSyncing) return;
        S._folderViewSyncing = true;

        resetViewportRenderState();

        if (UI.vp) {
            UI.vp.style.visibility = 'hidden';
            UI.vp.style.pointerEvents = 'none';
        }

        const hd = UI.win && UI.win.querySelector('.pk-grid-hd');
        if (hd) hd.style.visibility = 'hidden';
    };
    const endFolderViewSync = (force = false) => {
        if (!S._folderViewSyncing) return;
        if (S._folderViewSyncHold && !force) return;
        requestAnimationFrame(() => {
            if (S._folderViewSyncHold && !force) return;
            if (UI.vp) {
                UI.vp.style.visibility = '';
                UI.vp.style.pointerEvents = '';
            }
            const hd = UI.win && UI.win.querySelector('.pk-grid-hd');
            if (hd) hd.style.visibility = '';
            S._folderViewSyncing = false;
        });
    };
    const scheduleGridRelayout = (forceFull = false) => {
        if (!isGridView()) {
            endFolderViewSync();
            return;
        }
        if (S._gridRelayoutRaf1) cancelAnimationFrame(S._gridRelayoutRaf1);
        if (S._gridRelayoutRaf2) cancelAnimationFrame(S._gridRelayoutRaf2);

        const prevKey = S._gridLayoutKey || '';

        S._gridRelayoutRaf1 = requestAnimationFrame(() => {
            S._gridRelayoutRaf2 = requestAnimationFrame(() => {
                if (!UI.vp || !UI.in || !isGridView()) {
                    endFolderViewSync();
                    return;
                }

                const nextKey = getGridLayoutKey();
                if (forceFull || nextKey !== prevKey) {
                    S._gridLayoutKey = nextKey;
                    renderList();
                } else if (typeof renderVisible === 'function') {
                    renderVisible();
                    endFolderViewSync();
                } else {
                    endFolderViewSync();
                }
            });
        });
    };
    const ensureGridMediaStore = () => {
        if (!window.pkGlobalThumbCache) window.pkGlobalThumbCache = new Set();
        if (!window.pkThumbTriState) window.pkThumbTriState = { folder: Object.create(null), file: Object.create(null) };
        if (!window.pkThumbTriState.folder) window.pkThumbTriState.folder = Object.create(null);
        if (!window.pkThumbTriState.file) window.pkThumbTriState.file = Object.create(null);
        if (!window.pkGridMediaStore) window.pkGridMediaStore = { folder: Object.create(null), file: Object.create(null) };
        if (!window.pkGridMediaStore.folder) window.pkGridMediaStore.folder = Object.create(null);
        if (!window.pkGridMediaStore.file) window.pkGridMediaStore.file = Object.create(null);
        return window.pkGridMediaStore;
    };
    const getStableFolderMediaState = (item) => {
        ensureGridMediaStore();
        const tri = window.pkThumbTriState.folder;
        const store = window.pkGridMediaStore.folder;
        const id = item && item.id;
        if (!id) return { state: 'none', src: '' };
        const state = tri[id] || 'unknown';
        const cached = store[id] || '';
        if (state === 'ok' && cached) return { state: 'ok', src: cached };
        if (state === 'ok' && item.thumbnail_link) {
            store[id] = item.thumbnail_link;
            return { state: 'ok', src: item.thumbnail_link };
        }
        if ((state === 'unknown' || state === 'probing') && cached) return { state: 'ok', src: cached };
        return { state, src: '' };
    };
    const markStableFolderMediaState = (id, state, src = '') => {
        ensureGridMediaStore();
        if (!id) return;
        window.pkThumbTriState.folder[id] = state;
        if (state === 'ok' && src) {
            window.pkGridMediaStore.folder[id] = src;
            window.pkGlobalThumbCache.add(id);
        } else if (state === 'fail' && window.pkGridMediaStore.folder[id]) {
            delete window.pkGridMediaStore.folder[id];
        }
    };
    const getStableFileMediaState = (item) => {
        ensureGridMediaStore();
        const tri = window.pkThumbTriState.file;
        const store = window.pkGridMediaStore.file;
        const id = item && item.id;
        if (!id) return { state: 'none', src: '' };
        const state = tri[id] || 'unknown';
        const cached = store[id] || '';
        if (state === 'ok' && cached) return { state: 'ok', src: cached };
        if (state === 'ok' && item.thumbnail_link) {
            store[id] = item.thumbnail_link;
            return { state: 'ok', src: item.thumbnail_link };
        }
        if ((state === 'unknown' || state === 'probing') && cached) return { state: 'ok', src: cached };
        return { state, src: '' };
    };
    const markStableFileMediaState = (id, state, src = '') => {
        ensureGridMediaStore();
        if (!id) return;
        window.pkThumbTriState.file[id] = state;
        if (state === 'ok' && src) {
            window.pkGridMediaStore.file[id] = src;
            window.pkGlobalThumbCache.add(id);
        } else if (state === 'fail' && window.pkGridMediaStore.file[id]) {
            delete window.pkGridMediaStore.file[id];
        }
    };
    window.ensureGridMediaStore = ensureGridMediaStore;
    window.getStableFolderMediaState = getStableFolderMediaState;
    window.markStableFolderMediaState = markStableFolderMediaState;
    window.getStableFileMediaState = getStableFileMediaState;
    window.markStableFileMediaState = markStableFileMediaState;

    const ensureGridMediaDomCache = () => {
        if (!window.pkGridMediaDomCache) window.pkGridMediaDomCache = { folder: Object.create(null), file: Object.create(null) };
        return window.pkGridMediaDomCache;
    };
    const isTrustedChildRealThumb = (child) => {
        if (!child || !child.thumbnail_link || child.thumbnail_link === child.icon_link) return false;
        const mime = (child.mime_type || '').toLowerCase();
        const duration = Number((child.params && child.params.duration) || (child.medias && child.medias[0] && child.medias[0].duration) || 0);
        const hasMediaMeta = Array.isArray(child.medias) && child.medias.length > 0;
        const stableState = child.id && typeof getStableFileMediaState === 'function' ? getStableFileMediaState(child).state : 'unknown';
        return stableState === 'ok' || mime.startsWith('video/') || mime.startsWith('image/') || duration > 0 || hasMediaMeta;
    };
    const getFolderEmbedCacheStamp = (item) => {
        if (!item || item.kind !== 'drive#folder') return '';
        if (typeof globalCache === 'undefined') return 'nogc';

        const normalize = (data) => (data && !Array.isArray(data) && data.items) ? data.items : data;
        const raw = globalCache.get(item.id);

        if (!raw) return 'miss';
        if (!Array.isArray(raw) && raw.nextToken) {
            const pending = normalize(raw);
            const len = Array.isArray(pending) ? pending.filter(Boolean).length : 0;
            return `loading:${len}`;
        }

        const children = normalize(raw);
        if (!Array.isArray(children)) return 'invalid';

        const visibleChildren = children.filter(Boolean);
        if (!visibleChildren.length) return 'empty';

        const nonFolders = visibleChildren.filter(child => child.kind !== 'drive#folder');
        if (!nonFolders.length) {
            return `folders:${visibleChildren.length}:${visibleChildren.slice(0, 3).map(child => child.id || '').join(',')}`;
        }

        const hasRealChildThumb = (child) => isTrustedChildRealThumb(child);
        const isFallbackPlaceholderChild = (child) => {
            const mime = (child.mime_type || '').toLowerCase();
            const duration = (child.params && child.params.duration) || 0;
            return !hasRealChildThumb(child) && (mime.startsWith('video/') || mime.startsWith('image/') || duration > 0);
        };

        const realThumbChild = nonFolders.find(hasRealChildThumb);
        if (realThumbChild) {
            const stableChildMedia = typeof getStableFileMediaState === 'function' ? getStableFileMediaState(realThumbChild) : { state: 'unknown', src: '' };
            const realThumbSrc = stableChildMedia.src || realThumbChild.thumbnail_link || '';
            return ['real', realThumbChild.id || '', realThumbSrc || '', realThumbChild.icon_link || '', realThumbChild.mime_type || '', realThumbChild.name || ''].join(':');
        }

        if (nonFolders.every(isFallbackPlaceholderChild)) {
            const target = nonFolders[0] || {};
            return ['fallback', target.id || '', target.icon_link || '', target.thumbnail_link || '', target.mime_type || '', target.name || ''].join(':');
        }

        const ordinaryPlaceholderChild = nonFolders.find(child => !hasRealChildThumb(child) && !isFallbackPlaceholderChild(child));
        if (ordinaryPlaceholderChild) {
            return ['ordinary', ordinaryPlaceholderChild.id || '', ordinaryPlaceholderChild.icon_link || '', ordinaryPlaceholderChild.thumbnail_link || '', ordinaryPlaceholderChild.mime_type || '', ordinaryPlaceholderChild.name || ''].join(':');
        }

        return `blank:${visibleChildren.length}:${nonFolders.length}`;
    };
    const makeGridMediaCacheKey = (item) => [item?.id || '', item?.kind || '', item?.thumbnail_link || '', item?.icon_link || '', getFolderEmbedCacheStamp(item)].join('::');
    const stashFrozenGridMediaNode = (itemId, mediaKey, node, kind = '') => {
        if (!itemId || !mediaKey || !node) return;
        const cache = ensureGridMediaDomCache();
        const bucket = kind === 'drive#folder' ? cache.folder : cache.file;
        bucket[itemId] = { key: mediaKey, node };
    };
    const takeFrozenGridMediaNode = (item) => {
        if (!item || !item.id) return null;
        const cache = ensureGridMediaDomCache();
        const bucket = item.kind === 'drive#folder' ? cache.folder : cache.file;
        const hit = bucket[item.id];
        const mediaKey = makeGridMediaCacheKey(item);
        if (!hit || hit.key !== mediaKey || !hit.node) return null;
        delete bucket[item.id];
        return hit.node;
    };

    window.ensureGridMediaDomCache = ensureGridMediaDomCache;
    window.stashFrozenGridMediaNode = stashFrozenGridMediaNode;
    window.takeFrozenGridMediaNode = takeFrozenGridMediaNode;

    const buildGridFolderPreview = (folderItem, folderIconHtml) => {
        const hasThumb = !!(folderItem.thumbnail_link && folderItem.thumbnail_link !== folderItem.icon_link);
        const stableFolderMedia = hasThumb ? getStableFolderMediaState(folderItem) : { state: 'none', src: '' };
        const folderThumbState = stableFolderMedia.state;
        const folderResolvedSrc = stableFolderMedia.src || folderItem.thumbnail_link || '';
        const folderHasCoverThumb = hasThumb && folderThumbState === 'ok' && !!folderResolvedSrc;

        if (hasThumb && folderThumbState === 'unknown' && !folderResolvedSrc && folderItem.id && window.pkThumbTriState && window.pkThumbTriState.folder) {
            window.pkThumbTriState.folder[folderItem.id] = 'probing';
        }

        const makePreviewBaseHtml = (display = 'flex', opacity = '1', iconSrc = folderItem.icon_link, svgHtml = folderIconHtml) => iconSrc
        ? `<span class="pk-gv-folder-base" style="display:${display};align-items:center;justify-content:center;width:100%;height:100%;opacity:${opacity};transition:opacity .18s ease;"><img src="${iconSrc}" class="pk-gv-folder-fallback" draggable="false" onerror="this.style.display='none';if(this.nextElementSibling)this.nextElementSibling.style.display='inline-flex';"><span class="pk-gv-folder-fallback" style="display:none;">${svgHtml}</span></span>`
        : `<span class="pk-gv-folder-base" style="display:${display};align-items:center;justify-content:center;width:100%;height:100%;opacity:${opacity};transition:opacity .18s ease;"><span class="pk-gv-folder-fallback">${svgHtml}</span></span>`;

        const makeItemPlaceholderHtml = (child) => {
            const childIconHtml = getIcon(child).replace(/width="\d+"/g, 'width="108"').replace(/height="\d+"/g, 'height="108"');
            return makePreviewBaseHtml('flex', '1', child.icon_link, childIconHtml);
        };

        const resolveCachedPreview = () => {
            const normalize = (data) => (data && !Array.isArray(data) && data.items) ? data.items : data;

            if (typeof globalCache === 'undefined') return { decided: false, hasThumb: false, hidePreview: false, html: '' };

            const raw = globalCache.get(folderItem.id);
            if (!raw) return { decided: false, hasThumb: false, hidePreview: false, html: '' };

            if (!Array.isArray(raw) && raw.nextToken) {
                return { decided: false, hasThumb: false, hidePreview: false, html: '' };
            }

            const children = normalize(raw);
            if (!Array.isArray(children)) return { decided: false, hasThumb: false, hidePreview: false, html: '' };
            if (children.length === 0) return { decided: true, hasThumb: false, hidePreview: true, html: '' };

            const visibleChildren = children.filter(Boolean);
            if (!visibleChildren.length) return { decided: true, hasThumb: false, hidePreview: true, html: '' };

            const nonFolders = visibleChildren.filter(child => child.kind !== 'drive#folder');
            if (!nonFolders.length) {
                return { decided: true, hasThumb: false, hidePreview: false, html: makePreviewBaseHtml('flex', '1') };
            }

            const hasRealChildThumb = (child) => isTrustedChildRealThumb(child);
            const isFallbackPlaceholderChild = (child) => {
                const mime = (child.mime_type || '').toLowerCase();
                const duration = (child.params && child.params.duration) || 0;
                return !hasRealChildThumb(child) && (mime.startsWith('video/') || mime.startsWith('image/') || duration > 0);
            };

            const makeChildRealThumbHtml = (child) => {
                const stableChildMedia = typeof getStableFileMediaState === 'function' ? getStableFileMediaState(child) : { state: 'unknown', src: '' };
                const childThumbState = stableChildMedia.state;
                const childResolvedSrc = stableChildMedia.src || child.thumbnail_link || '';

                if (!childResolvedSrc || childThumbState === 'fail') return '';

                if (childThumbState === 'unknown' && child.id && window.pkThumbTriState && window.pkThumbTriState.file) {
                    window.pkThumbTriState.file[child.id] = 'probing';
                }

                const imgOpacity = childThumbState === 'ok' ? '1' : '0';
                const baseOpacity = childThumbState === 'ok' ? '0' : '1';

                return `<div style="position:relative;width:100%;height:100%;" data-pk-thumb-ready="${childThumbState === 'ok' ? '1' : '0'}">${makePreviewBaseHtml('flex', baseOpacity, folderItem.icon_link, folderIconHtml)}<img src="${childResolvedSrc}" class="pk-gv-folder-fallback" draggable="false" data-pk-id="${child.id || ''}" data-pk-src="${childResolvedSrc}" data-pk-frozen-cover="1" style="position:absolute;inset:0;width:100% !important;height:100% !important;max-width:none !important;max-height:none !important;object-fit:cover !important;border-radius:0 !important;z-index:2;opacity:${imgOpacity};transition:opacity .18s ease;" onload="const ok=(this.naturalWidth>1||this.naturalHeight>1);const wrap=this.parentElement;if(ok){if(wrap)wrap.dataset.pkThumbReady='1';if(this.dataset.pkId&&this.dataset.pkSrc&&window.markStableFileMediaState){window.markStableFileMediaState(this.dataset.pkId,'ok',this.dataset.pkSrc);}else if(window.pkThumbTriState&&window.pkThumbTriState.file&&this.dataset.pkId){window.pkThumbTriState.file[this.dataset.pkId]='ok';if(window.pkGridMediaStore&&window.pkGridMediaStore.file)window.pkGridMediaStore.file[this.dataset.pkId]=this.dataset.pkSrc||'';}this.style.opacity='1';if(this.previousElementSibling)this.previousElementSibling.style.opacity='0';}else{if(wrap)wrap.dataset.pkThumbReady='0';if(this.dataset.pkId&&window.markStableFileMediaState){window.markStableFileMediaState(this.dataset.pkId,'fail','');}else if(window.pkThumbTriState&&window.pkThumbTriState.file&&this.dataset.pkId){window.pkThumbTriState.file[this.dataset.pkId]='fail';}this.style.opacity='0';if(this.previousElementSibling)this.previousElementSibling.style.opacity='1';}" onerror="const wrap=this.parentElement;if(wrap)wrap.dataset.pkThumbReady='0';if(this.dataset.pkId&&window.markStableFileMediaState){window.markStableFileMediaState(this.dataset.pkId,'fail','');}else if(window.pkThumbTriState&&window.pkThumbTriState.file&&this.dataset.pkId){window.pkThumbTriState.file[this.dataset.pkId]='fail';}this.style.opacity='0';if(this.previousElementSibling)this.previousElementSibling.style.opacity='1';"></div>`;
            };

            const realThumbChild = nonFolders.find(hasRealChildThumb);
            if (realThumbChild) {
                const realThumbHtml = makeChildRealThumbHtml(realThumbChild);
                if (realThumbHtml) {
                    return { decided: true, hasThumb: true, hidePreview: false, html: realThumbHtml };
                }
            }

            if (nonFolders.every(isFallbackPlaceholderChild)) {
                return { decided: true, hasThumb: false, hidePreview: false, html: makeItemPlaceholderHtml(nonFolders[0]) };
            }

            const ordinaryPlaceholderChild = nonFolders.find(child => !hasRealChildThumb(child) && !isFallbackPlaceholderChild(child));
            if (ordinaryPlaceholderChild) {
                return { decided: true, hasThumb: false, hidePreview: false, html: makeItemPlaceholderHtml(ordinaryPlaceholderChild) };
            }

            return { decided: true, hasThumb: false, hidePreview: false, html: '' };
        };

        if (folderHasCoverThumb) {
            return {
                hasThumb: true,
                hidePreview: false,
                html: `<img src="${folderResolvedSrc}" class="pk-gv-folder-fallback" draggable="false" data-pk-id="${folderItem.id}" data-pk-src="${folderResolvedSrc}" data-pk-frozen-cover="1" style="position:absolute;inset:0;width:100% !important;height:100% !important;max-width:none !important;max-height:none !important;object-fit:cover !important;border-radius:0 !important;z-index:2;opacity:1;" onload="if(this.dataset.pkId&&this.dataset.pkSrc&&window.markStableFolderMediaState){window.markStableFolderMediaState(this.dataset.pkId,'ok',this.dataset.pkSrc);}else if(window.pkThumbTriState&&window.pkThumbTriState.folder&&this.dataset.pkId){window.pkThumbTriState.folder[this.dataset.pkId]='ok';}" onerror="if(this.dataset.pkId&&window.markStableFolderMediaState){window.markStableFolderMediaState(this.dataset.pkId,'unknown');}else if(window.pkThumbTriState&&window.pkThumbTriState.folder&&this.dataset.pkId){window.pkThumbTriState.folder[this.dataset.pkId]='unknown';}this.style.display='none';if(this.nextElementSibling){this.nextElementSibling.style.display='flex';this.nextElementSibling.style.opacity='1';}">${makePreviewBaseHtml('none', '1')}`
            };
        }

        const cachedPreview = resolveCachedPreview();
        const probeBasePreview = cachedPreview.decided
        ? cachedPreview
        : { hasThumb: false, hidePreview: false, html: '' };

        if (hasThumb && folderThumbState !== 'fail') {
            return {
                hasThumb: false,
                hidePreview: false,
                html: `${probeBasePreview.html}<img src="${folderItem.thumbnail_link}" class="pk-gv-folder-fallback" draggable="false" data-pk-id="${folderItem.id}" data-pk-src="${folderItem.thumbnail_link}" style="position:absolute;inset:0;width:100% !important;height:100% !important;max-width:none !important;max-height:none !important;object-fit:cover !important;border-radius:0 !important;z-index:2;opacity:0;transition:opacity .18s ease;" onload="if(this.dataset.pkId&&this.dataset.pkSrc&&window.markStableFolderMediaState){window.markStableFolderMediaState(this.dataset.pkId,'ok',this.dataset.pkSrc);}else if(window.pkThumbTriState&&window.pkThumbTriState.folder&&this.dataset.pkId){window.pkThumbTriState.folder[this.dataset.pkId]='ok';if(window.pkGlobalThumbCache)window.pkGlobalThumbCache.add(this.dataset.pkId);}this.style.opacity='1';if(this.previousElementSibling)this.previousElementSibling.style.opacity='0';" onerror="if(this.dataset.pkId&&window.markStableFolderMediaState){window.markStableFolderMediaState(this.dataset.pkId,'unknown');}else if(window.pkThumbTriState&&window.pkThumbTriState.folder&&this.dataset.pkId){window.pkThumbTriState.folder[this.dataset.pkId]='unknown';}if(this.previousElementSibling){this.previousElementSibling.style.display='flex';this.previousElementSibling.style.opacity='1';}this.remove();">`
            };
        }

        if (cachedPreview.decided) {
            return { hasThumb: cachedPreview.hasThumb, hidePreview: cachedPreview.hidePreview, html: cachedPreview.html };
        }

        return { hasThumb: false, hidePreview: false, html: '' };
    };

    const renderFrozenGridMedia = (item, iconFallback, gridFileFallbackHtml) => {
        const isFolder = item.kind === 'drive#folder';
        const hasThumb = !!(item.thumbnail_link && item.thumbnail_link !== item.icon_link);

        if (isFolder) {
            const folderEmbed = buildGridFolderPreview(item, iconFallback);
            return `<div class="pk-gv-folder-shell"><div class="pk-gv-folder-tab"></div><div class="pk-gv-folder-back"></div><div class="pk-gv-folder-preview${folderEmbed.hasThumb ? ' pk-gv-folder-has-thumb' : ''}"${folderEmbed.hidePreview ? ' style="display:none;"' : ''}>${folderEmbed.html}</div><div class="pk-gv-folder-front"></div></div>`;
        }

        const makeFileFallbackHtml = (opacity = '1') => item.icon_link
        ? `<div class="pk-gv-icon" style="opacity:${opacity};transition:opacity .18s ease;"><img src="${item.icon_link}" draggable="false" style="object-fit:contain;" onerror="this.style.display='none';if(this.nextElementSibling)this.nextElementSibling.style.display='flex';"><span style="display:none;align-items:center;justify-content:center;">${iconFallback}</span></div>`
        : `<div class="pk-gv-icon" style="opacity:${opacity};transition:opacity .18s ease;">${iconFallback}</div>`;

        if (hasThumb) {
            const stableFileMedia = getStableFileMediaState(item);
            const fileThumbState = stableFileMedia.state;
            const fileResolvedSrc = stableFileMedia.src || item.thumbnail_link || '';

            if (fileThumbState === 'fail' || !fileResolvedSrc) {
                return makeFileFallbackHtml();
            }

            if (fileThumbState === 'unknown') {
                window.pkThumbTriState.file[item.id] = 'probing';
            }

            const imgOpacity = fileThumbState === 'ok' ? '1' : '0';
            const baseOpacity = fileThumbState === 'ok' ? '0' : '1';

            return `<div style="position:relative;width:100%;height:100%;" data-pk-thumb-ready="${fileThumbState === 'ok' ? '1' : '0'}">${makeFileFallbackHtml(baseOpacity)}<img src="${fileResolvedSrc}" class="pk-max-thumb" draggable="false" data-pk-id="${item.id}" data-pk-src="${fileResolvedSrc}" data-pk-frozen-cover="1" style="position:absolute;inset:0;width:100% !important;height:100% !important;max-width:none !important;max-height:none !important;object-fit:cover !important;border-radius:0 !important;z-index:2;opacity:${imgOpacity};transition:opacity .18s ease;" onload="const ok=(this.naturalWidth>1||this.naturalHeight>1);const wrap=this.parentElement;const card=this.closest('.pk-grid-card-body');const play=card&&card.querySelector('.pk-gv-play');if(ok){if(wrap)wrap.dataset.pkThumbReady='1';if(this.dataset.pkId&&this.dataset.pkSrc&&window.markStableFileMediaState){window.markStableFileMediaState(this.dataset.pkId,'ok',this.dataset.pkSrc);}else if(window.pkThumbTriState&&window.pkThumbTriState.file&&this.dataset.pkId){window.pkThumbTriState.file[this.dataset.pkId]='ok';if(window.pkGridMediaStore&&window.pkGridMediaStore.file)window.pkGridMediaStore.file[this.dataset.pkId]=this.dataset.pkSrc||'';}this.style.opacity='1';if(this.previousElementSibling)this.previousElementSibling.style.opacity='0';if(window.syncGridVideoPlayState)window.syncGridVideoPlayState(card);}else{if(wrap)wrap.dataset.pkThumbReady='0';if(this.dataset.pkId&&window.markStableFileMediaState){window.markStableFileMediaState(this.dataset.pkId,'fail');}else if(window.pkThumbTriState&&window.pkThumbTriState.file&&this.dataset.pkId){window.pkThumbTriState.file[this.dataset.pkId]='fail';if(window.pkGridMediaStore&&window.pkGridMediaStore.file)delete window.pkGridMediaStore.file[this.dataset.pkId];}if(this.previousElementSibling)this.previousElementSibling.style.opacity='1';if(window.syncGridVideoPlayState)window.syncGridVideoPlayState(card);this.remove();}" onerror="const wrap=this.parentElement;const card=this.closest('.pk-grid-card-body');const play=card&&card.querySelector('.pk-gv-play');if(wrap)wrap.dataset.pkThumbReady='0';if(this.dataset.pkId&&window.markStableFileMediaState){window.markStableFileMediaState(this.dataset.pkId,'fail');}else if(window.pkThumbTriState&&window.pkThumbTriState.file&&this.dataset.pkId){window.pkThumbTriState.file[this.dataset.pkId]='fail';if(window.pkGridMediaStore&&window.pkGridMediaStore.file)delete window.pkGridMediaStore.file[this.dataset.pkId];}if(this.previousElementSibling)this.previousElementSibling.style.opacity='1';if(window.syncGridVideoPlayState)window.syncGridVideoPlayState(card);this.remove();"></div>`;
        }

        return makeFileFallbackHtml();
    };

    const isGridVideoItem = (item) => {
        const mime = ((item && item.mime_type) || '').toLowerCase();
        const duration = Number((item && item.params && item.params.duration) || (item && item.medias && item.medias[0] && item.medias[0].duration) || 0);
        return mime.startsWith('video/') || duration > 0;
    };

    const syncGridVideoPlayState = (scope, item = null) => {
        const root = scope && scope.nodeType === 1
        ? (scope.matches('.pk-grid-card-row, .pk-row') ? scope : (scope.closest('.pk-grid-card-row, .pk-row') || scope))
        : null;
        if (!root) return;

        const mount = root.querySelector('.pk-gv-media-mount');
        const play = root.querySelector('.pk-gv-play');
        if (!play) return;

        const isVideo = item ? isGridVideoItem(item) : !!(mount && mount.dataset && mount.dataset.pkIsVideo === '1');
        const hasThumb = item ? !!(item.thumbnail_link && item.thumbnail_link !== item.icon_link) : !!(mount && mount.dataset && mount.dataset.pkHasThumb === '1');

        if (!mount || !isVideo || !hasThumb) {
            play.style.display = 'none';
            return;
        }

        const wrap = mount.firstElementChild;
        const thumb = mount.querySelector('img.pk-max-thumb');
        const wrapperReady = !!(wrap && wrap.dataset && wrap.dataset.pkThumbReady === '1');
        const imgReady = !!(thumb && thumb.complete && (thumb.naturalWidth > 1 || thumb.naturalHeight > 1));

        play.style.display = (wrapperReady || imgReady) ? 'flex' : 'none';
    };

    window.syncGridVideoPlayState = syncGridVideoPlayState;

    const patchFrozenGridMedia = (row, item, prevMediaNode = null, prevMediaKey = '') => {
        const mount = row.querySelector('.pk-gv-media-mount');
        if (!mount || !item) return;

        const mediaKey = makeGridMediaCacheKey(item);
        const iconFallback = mount.dataset.pkIconFallback || '';
        const gridFileFallbackHtml = mount.dataset.pkFileFallback || '';

        mount.dataset.pkIsVideo = isGridVideoItem(item) ? '1' : '0';
        mount.dataset.pkHasThumb = (item.thumbnail_link && item.thumbnail_link !== item.icon_link) ? '1' : '0';

        const syncGridVideoPlay = () => {
            if (typeof syncGridVideoPlayState === 'function') {
                syncGridVideoPlayState(row, item);
            }
        };

        const queueSyncGridVideoPlay = () => requestAnimationFrame(syncGridVideoPlay);

        const cachedMediaNode = typeof takeFrozenGridMediaNode === 'function' ? takeFrozenGridMediaNode(item) : null;
        if (cachedMediaNode) {
            mount.innerHTML = '';
            mount.appendChild(cachedMediaNode);
            mount.dataset.pkMediaKey = mediaKey;
            queueSyncGridVideoPlay();
            return;
        }

        if (prevMediaNode && prevMediaKey === mediaKey) {
            mount.innerHTML = '';
            mount.appendChild(prevMediaNode);
            mount.dataset.pkMediaKey = mediaKey;
            queueSyncGridVideoPlay();
            return;
        }

        if (mount.dataset.pkMediaKey === mediaKey && mount.firstElementChild) {
            queueSyncGridVideoPlay();
            return;
        }

        mount.dataset.pkMediaKey = mediaKey;
        mount.innerHTML = renderFrozenGridMedia(item, iconFallback, gridFileFallbackHtml);
        queueSyncGridVideoPlay();
    };

    window.renderFrozenGridMedia = renderFrozenGridMedia;
    window.patchFrozenGridMedia = patchFrozenGridMedia;

    const getRowClassName = (isSelected, isFocused, isMoving) => {
        let cls = 'pk-row';
        if (isGridView()) cls += ' pk-grid-card-row';
        if (isSelected) cls += ' sel';
        if (isSelected && isGridView() && S.getSelectedCount() === 1) cls += ' pk-sel-single';
        if (isFocused) cls += ' pk-focused';
        if (isMoving) cls += ' pk-moving';
        return cls;
    };

    const ensureVisibleRowPool = (container, need) => {
        if (!container._pkVisibleRowPool) container._pkVisibleRowPool = [];
        const pool = container._pkVisibleRowPool;
        while (pool.length < need) {
            const row = document.createElement('div');
            row._pkPooledRow = true;
            row.style.position = 'absolute';
            pool.push(row);
        }
        return pool;
    };

    const resetPooledRow = (row) => {
        row.className = '';
        row.innerHTML = '';
        row.onclick = null;
        row.ondblclick = null;
        row.oncontextmenu = null;
        row.onmouseover = null;
        row.onmouseout = null;
        row.onmouseenter = null;
        row.onmouseleave = null;
        row.onmousedown = null;
        row.onmouseup = null;
        row.style.cssText = 'position:absolute;';
        row.removeAttribute('data-id');
        row.removeAttribute('data-pk-media-key');
        row.removeAttribute('data-pk-thumb');
        row.removeAttribute('data-pk-bound-id');
        row.removeAttribute('data-pk-bound-kind');
        delete row.dataset.pkBoundId;
        delete row.dataset.pkBoundKind;
        return row;
    };

    const cleanupNonPooledChildren = (container) => {
        Array.from(container.children).forEach(node => {
            if (!node._pkPooledRow) container.removeChild(node);
        });
    };

    const flushVisibleRowPool = (container, usedCount) => {
        const pool = container._pkVisibleRowPool || [];
        for (let i = 0; i < pool.length; i++) {
            const row = pool[i];
            if (i < usedCount) {
                if (row.parentNode !== container) container.appendChild(row);
            } else if (row.parentNode === container) {
                container.removeChild(row);
            }
        }
    };

    const refreshVisibleSelectionState = () => {
        const pool = (UI.in && UI.in._pkVisibleRowPool) || [];
        const singleGridSel = isGridView() && S.getSelectedCount() === 1;

        for (const row of pool) {
            if (!row || row.parentNode !== UI.in) continue;

            if (row.classList.contains('pk-group-hd')) {
                const grpChk = row.querySelector('.pk-grp-chk');
                if (!grpChk) continue;

                const gIds = Array.isArray(row._pkGroupIds) ? row._pkGroupIds : [];
                let selCount = 0;
                gIds.forEach(id => { if (S.isSelected(id)) selCount++; });

                const isAll = gIds.length > 0 && selCount === gIds.length;
                const isInd = selCount > 0 && selCount < gIds.length;

                if (grpChk.checked !== isAll) grpChk.checked = isAll;
                if (grpChk.indeterminate !== isInd) grpChk.indeterminate = isInd;
                continue;
            }

            const boundId = row.dataset.pkBoundId || '';
            if (!boundId) continue;

            const isSelected = S.isSelected(boundId);
            const isFocused = S.activeId === boundId;
            const isMoving = S.movingIds.has(boundId);

            row.className = getRowClassName(isSelected, isFocused, isMoving);

            const chk = row.querySelector('input[type="checkbox"]');
            if (chk && chk.checked !== isSelected) chk.checked = isSelected;

            if (singleGridSel && isSelected) row.classList.add('pk-sel-single');
            else row.classList.remove('pk-sel-single');

            if (isFocused && !isSelected) {
                row.style.backgroundColor = 'var(--pk-sel-bg)';
                row.style.border = '1px solid var(--pk-pri)';
                row.style.borderRadius = isGridView() ? `${getGridCardRadius()}px` : '4px';
            } else {
                row.style.backgroundColor = '';
                row.style.border = '';
                row.style.borderRadius = '';
            }
        }
    };
    const resolvePreferredViewMode = (folderId = null) => {
        const curNode = folderId !== null ? { id: folderId } : (S.path[S.path.length - 1] || { id: 'root' });
        const isStandard = !S.trashMode && !S.shareMode && !S.offlineMode && !S.starredMode && !S.recentMode && !S.historyMode && !S.isFlattened && !S.dupMode && !S.analyzeMode && (!curNode.id.startsWith('virtual_') || curNode.id === 'virtual_search_root');
        if (!isStandard) return gmGet('pk_file_view_mode', 'grid') === 'list' ? 'list' : 'grid';

        if (gmGet('pk_view_independent', false)) {
            const safeId = folderId !== null ? (folderId || 'root') : (curNode.id || 'root');
            try {
                const prefStore = JSON.parse(gmGet('pk_folder_view_prefs', '{}'));
                const saved = prefStore[safeId];
                const mode = typeof saved === 'string' ? saved : (saved && saved.viewMode);
                return mode === 'list' ? 'list' : 'grid';
            } catch(e) {
                return 'grid';
            }
        }

        return gmGet('pk_file_view_mode', 'grid') === 'list' ? 'list' : 'grid';
    };
    const persistViewPreference = () => {
        const nextMode = S.viewMode === 'grid' ? 'grid' : 'list';
        gmSet('pk_file_view_mode', nextMode);

        const curNode = S.path[S.path.length - 1];
        const isStandard = !S.trashMode && !S.shareMode && !S.offlineMode && !S.starredMode && !S.recentMode && !S.historyMode && !S.isFlattened && !S.dupMode && !S.analyzeMode && (!curNode.id.startsWith('virtual_') || curNode.id === 'virtual_search_root');
        if (!isStandard) return;

        if (gmGet('pk_view_independent', false)) {
            const folderId = curNode.id || 'root';
            try {
                const prefStore = JSON.parse(gmGet('pk_folder_view_prefs', '{}'));
                prefStore[folderId] = nextMode;
                gmSet('pk_folder_view_prefs', JSON.stringify(prefStore));
            } catch(e) {}
        }
    };
    const persistSortPreference = () => {
        const curNode = S.path[S.path.length - 1];
        const isStandard = !S.trashMode && !S.shareMode && !S.offlineMode && !S.starredMode && !S.isFlattened && !S.dupMode && !S.analyzeMode && (!curNode.id.startsWith('virtual_') || curNode.id === 'virtual_search_root');
        if (!isStandard) return;

        if (gmGet('pk_sort_independent', false)) {
            const folderId = curNode.id || 'root';
            try {
                const prefStore = JSON.parse(gmGet('pk_folder_sort_prefs', '{}'));
                const prev = prefStore[folderId] || {};
                prefStore[folderId] = { ...prev, sort: S.sort, dir: S.dir };
                gmSet('pk_folder_sort_prefs', JSON.stringify(prefStore));
            } catch(e) {}
        } else {
            try {
                const globalPref = JSON.parse(gmGet('pk_global_sort_pref', '{"sort":"modified_time","dir":1}'));
                globalPref.sort = S.sort;
                globalPref.dir = S.dir;
                globalPref.folderFirst = S.folderFirst;
                gmSet('pk_global_sort_pref', JSON.stringify(globalPref));
            } catch(e) {
                gmSet('pk_global_sort_pref', JSON.stringify({ sort: S.sort, dir: S.dir, folderFirst: S.folderFirst }));
            }
        }

        try {
            const globalPref = JSON.parse(gmGet('pk_global_sort_pref', '{"sort":"modified_time","dir":1}'));
            globalPref.folderFirst = S.folderFirst;
            gmSet('pk_global_sort_pref', JSON.stringify(globalPref));
        } catch(e) {
            gmSet('pk_global_sort_pref', JSON.stringify({ sort: S.sort, dir: S.dir, folderFirst: S.folderFirst }));
        }

        gmSet('pk_folder_first', S.folderFirst);
    };
    const getGridSortOptions = () => {
        const cur = S.path[S.path.length - 1] || { id: 'root' };
        const isAnalyzeRoot = S.analyzeMode && cur.id === 'analyze_root';
        const isGlobalSearchRoot = cur.id === 'virtual_search_root' && UI.chkGlobal && UI.chkGlobal.checked;
        const supportsPathSort = S.dupMode || isAnalyzeRoot || S.isFlattened || isGlobalSearchRoot;
        const supportsDurationTypeSort = !isAnalyzeRoot;

        const opts = [
            { sort: 'starred', ascLabel: L.picker_sort_star_new, descLabel: L.picker_sort_star_old, ascIcon: CONF.crumbIcons.sortStarNew, descIcon: CONF.crumbIcons.sortStarOld },
            { sort: 'name', ascLabel: 'A-Z', descLabel: 'Z-A', ascIcon: CONF.crumbIcons.sortAZ, descIcon: CONF.crumbIcons.sortZA },
            { sort: 'size', ascLabel: L.picker_sort_large, descLabel: L.picker_sort_small, ascIcon: CONF.crumbIcons.sortLarge, descIcon: CONF.crumbIcons.sortSmall },
            { sort: 'modified_time', ascLabel: L.picker_sort_new, descLabel: L.picker_sort_old, ascIcon: CONF.crumbIcons.sortNew, descIcon: CONF.crumbIcons.sortOld }
        ];

        if (supportsPathSort) {
            opts.splice(2, 0,
                        { sort: 'path', ascLabel: L.picker_sort_path_asc, descLabel: L.picker_sort_path_desc, ascIcon: CONF.crumbIcons.sortPathAsc, descIcon: CONF.crumbIcons.sortPathDesc }
                       );
        }

        if (supportsDurationTypeSort) {
            opts.splice(opts.length - 1, 0,
                        { sort: 'duration', ascLabel: L.picker_sort_type_dur_asc, descLabel: L.picker_sort_type_dur_desc, ascIcon: CONF.crumbIcons.sortTypeDurAsc, descIcon: CONF.crumbIcons.sortTypeDurDesc }
                       );
        }

        return opts;
    };
    const resolveGridSortOptionState = (opt) => {
        const isActive = opt.sort === S.sort;
        const dir = isActive ? S.dir : 1;
        return {
            ...opt,
            dir,
            active: isActive,
            label: dir === -1 ? opt.descLabel : opt.ascLabel,
            icon: dir === -1 ? opt.descIcon : opt.ascIcon
        };
    };
    const getGridSortMeta = () => {
        const opts = getGridSortOptions();
        const target = opts.find(opt => opt.sort === S.sort) || opts[0];
        return resolveGridSortOptionState(target);
    };
    const closeGridSortMenu = (evt) => {
        if (!UI.gridSortWrap) return;
        if (!evt) {
            UI.gridSortWrap.classList.remove('open');
            S.gridSortMenuOpen = false;
            return;
        }

        const target = evt.target;
        const isNodeTarget = !!target && typeof target === 'object' && typeof target.nodeType === 'number';

        if (typeof evt.composedPath === 'function') {
            const path = evt.composedPath();
            if (Array.isArray(path) && path.includes(UI.gridSortWrap)) return;
        } else if (isNodeTarget && UI.gridSortWrap.contains(target)) {
            return;
        }

        UI.gridSortWrap.classList.remove('open');
        S.gridSortMenuOpen = false;
    };
    const applySortSelection = (sort) => {
        if (S.sort === sort) S.dir *= -1;
        else {
            S.sort = sort;
            S.dir = 1;
        }
        S.gridSortMenuOpen = true;
        persistSortPreference();
        refresh();
    };
    const rememberFolderFirstBeforeStrictMode = () => {
        if (S.strictFolderFirstSnapshot === null) {
            S.strictFolderFirstSnapshot = S.folderFirst === true;
        }
    };
    const restoreFolderFirstAfterStrictMode = () => {
        if (S.strictFolderFirstSnapshot === null) return;
        S.folderFirst = S.strictFolderFirstSnapshot === true;
        S.strictFolderFirstSnapshot = null;
        if (S.renderFolderFirst) S.renderFolderFirst();
    };
    const toggleFolderFirst = () => {
        S.folderFirst = !S.folderFirst;
        gmSet('pk_folder_first', S.folderFirst);

        try {
            const globalPref = JSON.parse(gmGet('pk_global_sort_pref', '{"sort":"modified_time","dir":1}'));
            globalPref.sort = S.sort;
            globalPref.dir = S.dir;
            globalPref.folderFirst = S.folderFirst;
            gmSet('pk_global_sort_pref', JSON.stringify(globalPref));
        } catch(e) {
            gmSet('pk_global_sort_pref', JSON.stringify({ sort: S.sort, dir: S.dir, folderFirst: S.folderFirst }));
        }

        closeGridSortMenu();
        if (S.renderFolderFirst) S.renderFolderFirst();
        refresh();
    };
    const ensureViewSwitch = () => {
        if (!UI.actionBar || UI.actionBar.querySelector('#pk-view-switch')) return;
        const wrap = document.createElement('div');
        wrap.className = 'pk-view-switch';
        wrap.id = 'pk-view-switch';
        wrap.innerHTML = `<button class="pk-view-btn" id="pk-view-list" type="button" data-pk-tip="${L.opt_list_view}">${CONF.icons.viewList}</button><button class="pk-view-btn" id="pk-view-grid" type="button" data-pk-tip="${L.opt_grid_view}">${CONF.icons.viewGrid}</button>`;
        if (UI.btnCancelShare) UI.btnCancelShare.insertAdjacentElement('afterend', wrap);
        else UI.actionBar.appendChild(wrap);
        UI.viewSwitch = wrap;
        UI.btnViewList = wrap.querySelector('#pk-view-list');
        UI.btnViewGrid = wrap.querySelector('#pk-view-grid');
        UI.btnViewList.onclick = (e) => {
            e.stopPropagation();
            if (S.viewMode === 'list') return;
            const anchorId = getViewportAnchorId(true);
            const finishViewSwitch = () => requestAnimationFrame(() => UI.win.classList.remove('pk-view-switching'));
            UI.win.classList.add('pk-view-switching');
            S.viewMode = 'list';
            persistViewPreference();
            UI.win.classList.remove('pk-grid-view');
            syncLayoutMetrics();
            renderViewSwitch();
            renderList();
            if (anchorId) {
                requestAnimationFrame(() => {
                    const targetIdx = S.display.findIndex(x => x.id === anchorId);
                    if (targetIdx !== -1) {
                        const rowTop = getItemScrollTopByIndex(targetIdx);
                        const vpHeight = UI.vp.clientHeight;
                        UI.vp.scrollTop = Math.max(0, rowTop - (vpHeight / 2) + (CONF.rowHeight / 2));
                    }
                    finishViewSwitch();
                });
            } else {
                finishViewSwitch();
            }
        };
        UI.btnViewGrid.onclick = (e) => {
            e.stopPropagation();
            if (!canUseGridView() || S.viewMode === 'grid') return;
            const anchorId = getViewportAnchorId(true);
            const finishViewSwitch = () => requestAnimationFrame(() => UI.win.classList.remove('pk-view-switching'));
            UI.win.classList.add('pk-view-switching');
            S.viewMode = 'grid';
            persistViewPreference();
            UI.win.classList.add('pk-grid-view');
            syncLayoutMetrics();
            renderViewSwitch();
            renderList();
            if (anchorId) {
                requestAnimationFrame(() => {
                    const targetIdx = S.display.findIndex(x => x.id === anchorId);
                    if (targetIdx !== -1) {
                        const rowTop = getItemScrollTopByIndex(targetIdx);
                        const vpHeight = UI.vp.clientHeight;
                        UI.vp.scrollTop = Math.max(0, rowTop - (vpHeight / 2) + (CONF.rowHeight / 2));
                    }
                    finishViewSwitch();
                });
            } else {
                finishViewSwitch();
            }
        };
    };
    const renderViewSwitch = () => {
        const usable = canUseGridView();

        if (!usable) {
            if (UI.viewSwitch) {
                UI.viewSwitch.style.display = 'none';
                UI.viewSwitch.style.visibility = 'hidden';
                UI.viewSwitch.style.pointerEvents = 'none';
            }
            return;
        }

        ensureViewSwitch();
        if (!UI.viewSwitch) return;

        UI.viewSwitch.style.display = 'inline-flex';
        UI.viewSwitch.style.visibility = '';
        UI.viewSwitch.style.pointerEvents = '';
        if (UI.btnViewList) UI.btnViewList.classList.toggle('active', !isGridView());
        if (UI.btnViewGrid) UI.btnViewGrid.classList.toggle('active', isGridView());
    };

    const invokeExternalPlayer = async (item) => {
        const player = gmGet('pk_ext_player', 'system');
        const L = getStrings();

        let link = item.web_content_link;
        if (!link) {
            try {
                const detail = await apiGet(item.id);
                link = detail.web_content_link;
            } catch (e) {
                showAlert(L.msg_video_fail);
                return;
            }
        }

        if (!link) { showAlert(L.msg_video_fail); return; }

        if (player === 'potplayer') {
            let cleanLink = link.replace('&ext=.m3u8', '');
            if (cleanLink.includes('ts_downloader') && cleanLink.includes('url=')) {
                const urlParam = new URL(cleanLink).searchParams.get('url');
                if (urlParam) cleanLink = decodeURIComponent(urlParam);
            }

            const ua = navigator.userAgent.replace(/"/g, '');
            const cmd = `${cleanLink} /user_agent="${ua}" /referer="https://mypikpak.com/"`;
            window.location.href = `potplayer://${cmd}`;
        }
        else {
            playVideo(item);
        }
    };

    const isSystemItem = (item) => {
        if (!item) return false;
        if (item.kind !== 'drive#folder') return false;

        if (item._isSystemRoot) return true;

        const isRootLocation = S.path.length === 1 && S.path[0].id === '';
        if (isRootLocation && item.name === CONF.SYSTEM_FOLDER_NAME) return true;

        if (!item.parent_id && item.name === CONF.SYSTEM_FOLDER_NAME) return true;

        return false;
    };

    const updateCrawlerUI = () => {
        if (!UI.btnNavHome) return;
        if (typeof isBackgroundRunning !== 'undefined' && isBackgroundRunning) {
            UI.btnNavHome.classList.add('pk-status-dot');
        } else {
            UI.btnNavHome.classList.remove('pk-status-dot');
        }
    };

    window.pkUpdateCrawlerUI = updateCrawlerUI;

    let isForcedHidden = false;

    const checkGuiResponsiveness = () => {
        const width = window.innerWidth;
        const height = window.innerHeight;
        const screenW = window.screen.width;
        const isGuiVisible = el.style.display !== 'none';
        const isTurboCurrent = typeof GM_getValue !== 'undefined' ? GM_getValue('pk_turbo_mode', false) : false;

        let z = 1;
        if (screenW <= 1600 || width <= 1600) z = 0.8;
        if (screenW <= 1280 || width <= 1280) z = 0.7;

        const MIN_WIDTH = 940 * z;
        const MIN_HEIGHT = 450;
        const isTooSmall = width < MIN_WIDTH || height < MIN_HEIGHT;
        const keepScaledContext = isGuiVisible || isForcedHidden;
        const shouldKeepZoom = keepScaledContext || (!isGuiVisible && !isForcedHidden && !!document.getElementById('pk-launch'));

        document.documentElement.style.setProperty('--pk-zoom', String(shouldKeepZoom ? z : 1));

        if (isTooSmall && !isTurboCurrent && keepScaledContext) {
            document.body.classList.add('pk-hide-all-ui');
            if (isGuiVisible) {
                el.style.display = 'none';
                isForcedHidden = true;
            }
        } else {
            document.body.classList.remove('pk-hide-all-ui');
            if (isForcedHidden) {
                el.style.display = 'flex';
                if (el.focus) el.focus();
                isForcedHidden = false;
            }
        }

        const isCompact = width <= 1200;

        if (UI.searchInput) {
            UI.searchInput.placeholder = isCompact ? L.placeholder_search_short : L.placeholder_search;
        }

        const folderSelPlaceholder = document.querySelector('#pk-dup-folder-sel option[value=""]');
        if (folderSelPlaceholder) {
            folderSelPlaceholder.textContent = isCompact ? L.lbl_dup_select_folder_short : L.lbl_dup_select_folder;
        }
    };

    const syncDupFolderButtonText = () => {
        const sel = UI.selDupFolder;
        const btn = document.getElementById('pk-dup-folder-btn');
        const txt = document.getElementById('pk-dup-folder-btn-txt');
        if (!sel || !btn || !txt) return;
        const placeholder = window.innerWidth <= 1200 ? L.lbl_dup_select_folder_short : L.lbl_dup_select_folder;
        let label = placeholder;
        const opt = sel.selectedIndex >= 0 ? sel.options[sel.selectedIndex] : null;
        if (opt && opt.value && opt.value !== "__RESET__") label = (opt.textContent || placeholder).trim();
        txt.textContent = label;
        btn.removeAttribute('title');
        btn.removeAttribute('data-pk-tip');
    };

    (() => {
        const sel = UI.selDupFolder;
        const btn = document.getElementById('pk-dup-folder-btn');
        const wrap = document.getElementById('pk-dup-folder-sel-wrap');
        if (!sel || !btn || !wrap) return;

        let pop = null;

        const closePop = () => {
            if (pop && pop.parentNode) pop.remove();
            pop = null;
            btn.classList.remove('act');
        };

        const openPop = () => {
            closePop();

            const opts = Array.from(sel.options).filter(o => !(o.disabled && !o.value));
            opts.sort((a, b) => (b.value === "__RESET__") - (a.value === "__RESET__"));
            if (!opts.length) return;

            pop = document.createElement('div');
            pop.className = 'pk-dup-folder-pop';
            pop.classList.toggle('pk-dark', !!document.querySelector('.pk-ov')?.classList.contains('pk-dark'));
            pop.innerHTML = '<div class="pk-dup-folder-head"></div><div class="pk-dup-folder-list pk-scroll"></div>';

            const head = pop.firstElementChild;
            const list = pop.lastElementChild;
            opts.forEach(o => {
                const item = document.createElement('button');
                item.type = 'button';
                item.className = `pk-dup-folder-item${o.value === sel.value ? ' act' : ''}${o.value === "__RESET__" ? ' pk-reset' : ''}`;
                const itemText = (o.textContent || '').trim();
                item.dataset.value = o.value;
                item.textContent = itemText;
                item.removeAttribute('title');
                if (itemText && o.value !== "__RESET__") item.setAttribute('data-pk-tip', itemText);
                if (o.value === "__RESET__") head.appendChild(item);
                else list.appendChild(item);
            });

            document.body.appendChild(pop);

            pop.addEventListener('mousedown', (e) => e.stopPropagation(), true);
            pop.addEventListener('click', (e) => e.stopPropagation(), true);
            pop.addEventListener('wheel', (e) => e.stopPropagation(), { passive: true });

            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            const rect = typeof getLogicalRect === 'function' ? getLogicalRect(btn) : btn.getBoundingClientRect();
            const popRect = pop.getBoundingClientRect();
            const logicalWinW = window.innerWidth / scale;
            const logicalWinH = window.innerHeight / scale;

            let left = rect.left;
            let top = rect.bottom + 4;

            if (left + popRect.width > logicalWinW - 8) left = Math.max(8, logicalWinW - popRect.width - 8);
            if (top + popRect.height > logicalWinH - 8) top = Math.max(8, rect.top - popRect.height - 4);

            pop.style.left = `${left}px`;
            pop.style.top = `${top}px`;
            btn.classList.add('act');

            const activeItem = list.querySelector('.pk-dup-folder-item.act');
            if (activeItem) activeItem.scrollIntoView({ block: 'nearest' });
        };

        btn.addEventListener('click', (e) => {
            e.stopPropagation();
            syncDupFolderButtonText();
            if (pop) closePop();
            else openPop();
        });

        document.addEventListener('click', (e) => {
            if (!pop) return;
            const t = e.target;

            if (pop.contains(t)) {
                const item = t.closest('.pk-dup-folder-item');
                if (!item) return;

                const pickedValue = item.dataset.value || '';
                S._dupFolderPickedScrollTop = !!(pickedValue && pickedValue !== "__RESET__");
                sel.value = pickedValue;
                syncDupFolderButtonText();
                closePop();
                sel.dispatchEvent(new Event('change', { bubbles: true }));
                return;
            }

            if (!wrap.contains(t)) closePop();
        }, true);

        const handleDupFolderViewportChange = (e) => {
            if (!pop) return;
            const t = e && e.target;
            if (t && pop.contains(t)) return;
            closePop();
        };

        window.addEventListener('resize', handleDupFolderViewportChange, true);
        window.addEventListener('scroll', handleDupFolderViewportChange, true);
        syncDupFolderButtonText();
    })();

    window.addEventListener('resize', () => {
        checkGuiResponsiveness();
        syncDupFolderButtonText();
        if (el.style.display === 'none') return;

        const isAuthManagerReloading = !!(
            typeof window.pkIsAuthManagerReloading === 'function' &&
            window.pkIsAuthManagerReloading()
        );

        if (isAuthManagerReloading) {
            if (typeof window.pkDeferAuthManagerRelayout === 'function') {
                window.pkDeferAuthManagerRelayout();
            }
            return;
        }

        const isDupAnalyzeMaskBusy = !!(
            S.loading &&
            S.dupMode &&
            S.dupRunning &&
            UI.loader &&
            UI.loader.style.display !== 'none'
        );

        if (isDupAnalyzeMaskBusy) return;

        if (isGridView() && typeof scheduleGridRelayout === 'function') {
            scheduleGridRelayout(true);
        } else if (typeof renderList === 'function') {
            requestAnimationFrame(() => {
                if (typeof syncLayoutMetrics === 'function') syncLayoutMetrics();
                renderList();
            });
        } else if (typeof renderVisible === 'function') {
            requestAnimationFrame(() => {
                if (typeof syncLayoutMetrics === 'function') syncLayoutMetrics();
                if (UI.in) UI.in.style.height = `${S.display.length * CONF.rowHeight}px`;
                renderVisible();
            });
        }
    });

    checkGuiResponsiveness();

    if (UI.btnClose) {
        UI.btnClose.addEventListener('click', () => {
            isForcedHidden = false;
            requestAnimationFrame(checkGuiResponsiveness);
        });
    }

    if (UI.btnTheme) {
        UI.btnTheme.onclick = (e) => {
            if (e) e.stopPropagation();
            el.classList.add('pk-no-transition');

            void el.offsetHeight;

            const wasDark = el.classList.contains('pk-dark');
            const newTheme = wasDark ? 'light' : 'dark';
            const newIcon = wasDark ? CONF.icons.moon : CONF.icons.sun;

            UI.btnTheme.innerHTML = newIcon;

            if (wasDark) {
                el.classList.remove('pk-dark');
            } else {
                el.classList.add('pk-dark');
            }

            const uploadMenu = (UI.uploadWrap && UI.uploadWrap.querySelector('.pk-dropdown-menu')) || document.querySelector('.pk-dropdown-menu[data-pk-portal="1"]');
            if (uploadMenu) uploadMenu.classList.toggle('pk-dark', !wasDark);

            gmSet('pk_theme', newTheme);

            void el.offsetHeight;

            requestAnimationFrame(() => {
                el.classList.remove('pk-no-transition');
            });
        };
    }

    const btnMax = el.querySelector('#pk-maximize');
    const isTurbo = gmGet('pk_turbo_mode', false);
    let isWinMaximized = (globalSavedState && typeof globalSavedState.isMaximized !== 'undefined') ? globalSavedState.isMaximized : isTurbo;
    let pkSyncHideMenuLock = false;
    const syncHideNativeExitDropdown = () => {
        if (pkSyncHideMenuLock) return;
        pkSyncHideMenuLock = true;
        try {
            document.querySelectorAll('.pk-dropdown-menu[data-pk-portal="1"]').forEach(n => n.remove());
            const keyInit = { key: 'Escape', code: 'Escape', keyCode: 27, which: 27, bubbles: true, cancelable: true };
            document.dispatchEvent(new KeyboardEvent('keydown', keyInit));
            document.dispatchEvent(new KeyboardEvent('keyup', keyInit));
            document.dispatchEvent(new MouseEvent('mousedown', { bubbles: true, cancelable: true, clientX: 0, clientY: 0, button: 0 }));
            document.dispatchEvent(new MouseEvent('mouseup', { bubbles: true, cancelable: true, clientX: 0, clientY: 0, button: 0 }));
            document.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true, clientX: 0, clientY: 0, button: 0 }));
        } catch (e) {}
        setTimeout(() => { pkSyncHideMenuLock = false; }, 0);
    };
    const pkWinHideObserver = new MutationObserver(() => {
        if (!el.isConnected) return;
        const cs = getComputedStyle(el);
        if (el.hidden || cs.display === 'none' || cs.visibility === 'hidden') {
            requestAnimationFrame(syncHideNativeExitDropdown);
        }
    });
    pkWinHideObserver.observe(el, { attributes: true, attributeFilter: ['style', 'class', 'hidden'] });

    if (isTurbo) {
        if (btnMax) btnMax.style.display = 'none';
        if (UI.btnClose) UI.btnClose.style.display = 'none';
    }

    const win = el.querySelector('.pk-win');
    if (isWinMaximized) {
        if (win) win.classList.add('pk-maximized');
        document.body.classList.add('pk-body-max');
        CONF.rowHeight = 60;
        if (btnMax) {
            btnMax.innerHTML = CONF.icons.minimize;
            btnMax.setAttribute('data-pk-tip', L.tip_minimize);
        }
    } else {
        if (win) win.classList.remove('pk-maximized');
        document.body.classList.remove('pk-body-max');
        CONF.rowHeight = 40;
        if (btnMax) {
            btnMax.innerHTML = CONF.icons.maximize;
            btnMax.setAttribute('data-pk-tip', L.tip_maximize);
        }
    }

    if (btnMax) {
        btnMax.onclick = (e) => {
            if (e) e.stopPropagation();
            el.classList.add('pk-no-transition');

            const vp = UI.vp;
            const oldRowHeight = CONF.rowHeight;
            const centerIndex = (vp.scrollTop + vp.clientHeight / 2) / oldRowHeight;

            isWinMaximized = !isWinMaximized;

            btnMax.innerHTML = isWinMaximized ? CONF.icons.minimize : CONF.icons.maximize;
            btnMax.setAttribute('data-pk-tip', isWinMaximized ? L.tip_minimize : L.tip_maximize);

            const win = el.querySelector('.pk-win');
            if (isWinMaximized) {
                win.classList.add('pk-maximized');
                document.body.classList.add('pk-body-max');
                CONF.rowHeight = 60;
            } else {
                win.classList.remove('pk-maximized');
                document.body.classList.remove('pk-body-max');
                CONF.rowHeight = 40;
            }

            if (typeof renderList === 'function') {
                renderList();
            } else if (typeof renderVisible === 'function') {
                if(UI.in) UI.in.style.height = `${S.display.length * CONF.rowHeight}px`;
                renderVisible();
            }

            if (typeof refreshQuotaText === 'function') refreshQuotaText();

            requestAnimationFrame(() => {
                void el.offsetHeight;

                const newRowHeight = CONF.rowHeight;
                const newVpHeight = vp.clientHeight;
                const targetScrollTop = (centerIndex * newRowHeight) - (newVpHeight / 2);
                vp.scrollTop = Math.max(0, targetScrollTop);

                renderVisible();

                el.classList.remove('pk-no-transition');
            });
        };
    }

    let modalZIndexCounter = 2147483640;
    function showModal(html) {
        let container = document.getElementById('pk-toast-container');
        if (container) document.body.appendChild(container);
        const m = document.createElement('div'); m.className = 'pk-modal-ov';
        m.style.zIndex = (++modalZIndexCounter).toString();

        if (document.querySelector('.pk-ov').classList.contains('pk-dark')) {
            m.classList.add('pk-dark');
        }

        m.innerHTML = `<div class="pk-modal" style="height:auto; min-height:auto; max-height:92vh; overflow:hidden; display:flex; flex-direction:column;"><div class="pk-modal-close" style="z-index:10;">${CONF.icons.close}</div>${html}</div>`;

        const actBars = m.querySelectorAll('.pk-modal-act');
        actBars.forEach(bar => {
            const btns = Array.from(bar.children).filter(child => child.classList.contains('pk-btn'));
            if (!bar.querySelector('.pk-bl-btn') && (btns.length === 1 || btns.length === 2)) {
                bar.style.setProperty('display', 'grid', 'important');
                bar.style.setProperty('grid-template-columns', btns.length === 1 ? '1fr' : '1fr 1fr', 'important');
                bar.style.setProperty('gap', '15px', 'important');
                bar.style.setProperty('width', '100%', 'important');
                bar.style.setProperty('margin', '0', 'important');
                bar.style.setProperty('margin-top', '20px', 'important');

                btns.forEach(btn => {
                    btn.style.setProperty('height', '46px', 'important');
                    btn.style.setProperty('border-radius', '12px', 'important');
                    btn.style.setProperty('font-size', '15px', 'important');
                    btn.style.setProperty('font-weight', '600', 'important');
                    btn.style.setProperty('justify-content', 'center', 'important');
                    btn.style.setProperty('padding', '0', 'important');
                    btn.style.setProperty('margin', '0', 'important');
                    btn.style.setProperty('min-width', '0', 'important');

                    if (btn.classList.contains('pri')) {
                        btn.style.setProperty('background', 'var(--pk-pri)', 'important');
                        btn.style.setProperty('color', '#fff', 'important');
                        btn.style.setProperty('border', 'none', 'important');
                        btn.style.setProperty('transition', 'filter 0.2s', 'important');
                    } else {
                        btn.style.setProperty('background', 'transparent', 'important');
                        btn.style.setProperty('color', 'var(--pk-fg)', 'important');
                        btn.style.setProperty('border', '1px solid transparent', 'important');
                        btn.onmouseover = () => btn.style.setProperty('background', 'var(--pk-hl)', 'important');
                        btn.onmouseout = () => btn.style.setProperty('background', 'transparent', 'important');
                    }
                });
            }
        });

        document.body.appendChild(m);

        m.querySelector('.pk-modal-close').addEventListener('click', () => m.remove());
        return m;
    }

    function showAlert(msg, title = L.title_alert) {
        return new Promise((resolve) => {
            const m = showModal(`
                <h3 style="border:none; margin-bottom:16px; font-size:18px; font-weight:700; color:var(--pk-fg);">${title}</h3>
                <div style="margin-bottom:32px; line-height:1.6; font-size:14px; color:var(--pk-fg); opacity:0.9; word-break:break-all;">${msg.replace(/\n/g, '<br>')}</div>
                <div class="pk-modal-act" style="justify-content: flex-end;">
                    <button class="pk-btn pri" id="alert_ok"
                            style="height:40px; min-width:86px; padding:0 30px; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold; font-size:14px; justify-content:center;">
                        ${L.btn_ok}
                    </button>
                </div>
            `);
            const modalBox = m.querySelector('.pk-modal');
            if (modalBox) {
                Object.assign(modalBox.style, { width: '420px', padding: '30px', boxSizing: 'border-box' });
                const closeBtn = m.querySelector('.pk-modal-close');
                if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });
            }
            m.querySelector('#alert_ok').onclick = () => { m.remove(); resolve(); };
            m.querySelector('.pk-modal-close').onclick = () => { m.remove(); resolve(); };

            m.tabIndex = 0;
            setTimeout(() => m.focus(), 10);
            m.addEventListener('keydown', (e) => {
                if (e.key === 'Enter') {
                    e.preventDefault(); e.stopPropagation();
                    m.querySelector('#alert_ok').click();
                }
            });
        });
    }

    function showConfirm(msg, title = L.title_confirm) {
        return new Promise((resolve) => {
            const m = showModal(`
                <h3 style="border:none; margin-bottom:16px; font-size:18px; font-weight:700; color:var(--pk-fg);">${title}</h3>
                <div style="margin-bottom:30px; line-height:1.6; font-size:14px; color:var(--pk-fg);">${esc(msg).replace(/\n/g, '<br>')}</div>
                <div class="pk-modal-act" style="display:flex; justify-content:flex-end; gap:12px; align-items:center;">
                    <button class="pk-btn" id="cfm_no" style="height:40px; min-width:86px; padding:0 24px; border-radius:8px; font-weight:500; justify-content:center; background:transparent;">${L.btn_no}</button>
                    <button class="pk-btn pri" id="cfm_yes" style="height:40px; min-width:86px; padding:0 24px; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold; justify-content:center;">${L.btn_yes}</button>
                </div>
            `);
            const modalBox = m.querySelector('.pk-modal');
            if (modalBox) {
                Object.assign(modalBox.style, { width: '420px', height: 'auto', minHeight: 'auto', padding: '30px' });
                const closeBtn = m.querySelector('.pk-modal-close');
                if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });
            }
            m.querySelector('#cfm_no').onclick = () => { m.remove(); resolve(false); };
            m.querySelector('#cfm_yes').onclick = () => { m.remove(); resolve(true); };
            m.querySelector('.pk-modal-close').onclick = () => { m.remove(); resolve(false); };

            m.tabIndex = 0;
            setTimeout(() => m.focus(), 10);
            m.addEventListener('keydown', (e) => {
                if (e.key === 'Enter') {
                    e.preventDefault(); e.stopPropagation();
                    m.querySelector('#cfm_yes').click();
                }
            });
        });
    }

    function showDeleteConfirm(msg, title = L.title_confirm) {
        return new Promise((resolve) => {
            const m = showModal(`
                <h3 style="border:none; margin-bottom:16px; font-size:18px; font-weight:700; color:var(--pk-fg);">${title}</h3>
                <div style="margin-bottom:20px; line-height:1.6; font-size:14px; color:var(--pk-fg);">${esc(msg).replace(/\n/g, '<br>')}</div>
                <div style="margin-bottom:20px; display:flex; align-items:center;">
                    <label style="display:flex; align-items:center; cursor:pointer; font-size:13px; color:#d93025; user-select:none; font-weight:600; opacity:0.9;" onmouseover="this.style.opacity=1" onmouseout="this.style.opacity=0.9">
                        <input type="checkbox" id="pk_hard_delete_chk" style="margin-right:8px; width:16px; height:16px; accent-color:#d93025; cursor:pointer;">
                        <span>${L.lbl_hard_delete}</span>
                    </label>
                </div>
                <div class="pk-modal-act" style="display:flex; justify-content:flex-end; gap:12px; align-items:center;">
                    <button class="pk-btn" id="cfm_no" style="height:40px; min-width:86px; padding:0 24px; border-radius:8px; font-weight:500; justify-content:center; background:transparent;">${L.btn_no}</button>
                    <button class="pk-btn pri" id="cfm_yes" style="height:40px; min-width:86px; padding:0 24px; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold; justify-content:center;">${L.btn_yes}</button>
                </div>
            `);
            const modalBox = m.querySelector('.pk-modal');
            if (modalBox) {
                Object.assign(modalBox.style, { width: '420px', height: 'auto', minHeight: 'auto', padding: '30px' });
                const closeBtn = m.querySelector('.pk-modal-close');
                if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });
            }
            m.querySelector('#cfm_no').onclick = () => { m.remove(); resolve({ confirm: false }); };
            m.querySelector('#cfm_yes').onclick = () => {
                const isHard = m.querySelector('#pk_hard_delete_chk').checked;
                m.remove();
                resolve({ confirm: true, hardDelete: isHard });
            };
            m.querySelector('.pk-modal-close').onclick = () => { m.remove(); resolve({ confirm: false }); };

            m.tabIndex = 0;
            setTimeout(() => m.focus(), 10);
            m.addEventListener('keydown', (e) => {
                if (e.key === 'Enter') {
                    e.preventDefault(); e.stopPropagation();
                    m.querySelector('#cfm_yes').click();
                }
            });
        });
    }

    const confirmSelectionClear = async () => {
        if (S.suppressClearConfirm) return true;

        return new Promise((resolve) => {
            const m = showModal(`
                <h3 style="border:none; margin-bottom:16px; font-size:18px; font-weight:700; color:var(--pk-fg);">${L.title_confirm}</h3>
                <div style="margin-bottom:20px; line-height:1.6; font-size:14px; color:var(--pk-fg);">${esc(L.msg_clear_sel_confirm.replace('{n}', S.getSelectedCount())).replace(/\n/g, '<br>')}</div>
                <div style="margin-bottom:20px; display:flex; align-items:center;">
                    <label style="display:flex; align-items:center; cursor:pointer; font-size:12px; color:#666; user-select:none;">
                        <input type="checkbox" id="pk_session_suppress" style="margin-right:6px; width:14px; height:14px; accent-color:var(--pk-pri);">
                        <span>${L.lbl_dont_show_session}</span>
                    </label>
                </div>
                <div class="pk-modal-act" style="display:flex; justify-content:flex-end; gap:12px;">
                    <button class="pk-btn" id="cfm_no" style="height:40px; min-width:86px; border-radius:8px; font-weight:500; background:transparent;">${L.btn_no}</button>
                    <button class="pk-btn pri" id="cfm_yes" style="height:40px; min-width:86px; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold;">${L.btn_yes}</button>
                </div>
            `);
            const modalBox = m.querySelector('.pk-modal');
            if (modalBox) Object.assign(modalBox.style, { width: '420px', padding: '30px' });

            m.querySelector('#cfm_no').onclick = () => { m.remove(); resolve(false); };
            m.querySelector('#cfm_yes').onclick = () => {
                const isChecked = m.querySelector('#pk_session_suppress').checked;
                if (isChecked) S.suppressClearConfirm = true;
                m.remove();
                resolve(true);
            };
            m.querySelector('.pk-modal-close').onclick = () => { m.remove(); resolve(false); };

            m.tabIndex = 0;
            setTimeout(() => m.focus(), 10);
            m.addEventListener('keydown', (e) => {
                if (e.key === 'Enter') {
                    e.preventDefault(); e.stopPropagation();
                    m.querySelector('#cfm_yes').click();
                }
            });
        });
    };

    function showPrompt(msg, val = '', title = L.title_prompt) {
        return new Promise((resolve) => {
            const cleanTitle = esc(msg).replace(/[:：]$/, '');
            const isNewFolder = (title === L.btn_newfolder);
            const okBtnText = isNewFolder ? L.btn_create : L.btn_ok;

            const m = showModal(`
                <h3 style="border:none; margin-bottom:24px; font-size:18px; font-weight:700; color:var(--pk-fg);">${cleanTitle}</h3>
                <div style="position:relative;">
                    <input type="text" id="prm_input" value="${esc(val)}"
                           style="width:100%; height:44px; padding:0 12px; border:2px solid var(--pk-bd); border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:15px; font-weight:600; outline:none; transition:border-color 0.2s; box-sizing:border-box;">
                    <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; line-height:1;">${title}</div>
                    <div id="prm_err" class="pk-input-err-msg" style="color:#ff4d4f; font-size:12px; margin-top:8px; min-height:18px; visibility:hidden; font-weight:500;">${L.err_name_exists}</div>
                </div>
                <div class="pk-modal-act" style="margin-top:15px; display:flex; justify-content:flex-end; gap:12px;">
                    <button class="pk-btn" id="prm_cancel" style="height:40px; min-width:86px; padding:0 24px; border-radius:8px; justify-content:center; background:transparent;">${L.btn_cancel}</button>
                    <button class="pk-btn pri" id="prm_ok" style="height:40px; min-width:86px; padding:0 24px; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold; justify-content:center;">${okBtnText}</button>
                </div>
            `);

            const modalBox = m.querySelector('.pk-modal');
            if (modalBox) {
                Object.assign(modalBox.style, { width: '480px', height: 'auto', minHeight: 'auto', padding: '30px' });
                const closeBtn = m.querySelector('.pk-modal-close');
                if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });
            }

            const inp = m.querySelector('#prm_input');
            const err = m.querySelector('#prm_err');
            const okBtn = m.querySelector('#prm_ok');

            const validate = () => {
                const v = inp.value.trim();
                const isEmpty = v === '';
                const isDup = S.items.some(item => item.name === v && item.name !== val);

                err.style.visibility = isDup ? 'visible' : 'hidden';

                if (isDup || isEmpty) {
                    okBtn.disabled = true;
                    okBtn.style.opacity = '0.4';
                    okBtn.style.cursor = 'not-allowed';
                    inp.style.borderColor = isDup ? '#ff4d4f' : 'var(--pk-bd)';
                }
                else if (v === val) {
                    okBtn.disabled = false;
                    okBtn.style.opacity = '1';
                    okBtn.style.cursor = 'pointer';
                    inp.style.borderColor = 'var(--pk-bd)';
                }
                else {
                    okBtn.disabled = false;
                    okBtn.style.opacity = '1';
                    okBtn.style.cursor = 'pointer';
                    inp.style.borderColor = 'var(--pk-pri)';
                }
            };

            inp.focus();
            if (val && val.includes('.') && val.lastIndexOf('.') > 0) {
                inp.setSelectionRange(0, val.lastIndexOf('.'));
            } else {
                inp.select();
            }

            inp.addEventListener('input', validate);
            validate();

            inp.onkeydown = (e) => {
                if (e.key === 'Enter' && !okBtn.disabled) okBtn.click();
                if (e.key === 'Escape') {
                    e.stopPropagation();
                    m.remove();
                    resolve(null);
                }
            };

            m.querySelector('#prm_cancel').onclick = () => { m.remove(); resolve(null); };
            m.querySelector('#prm_ok').onclick = () => {
                const v = inp.value.trim();
                m.remove();
                resolve(v);
            };
            m.querySelector('.pk-modal-close').onclick = () => { m.remove(); resolve(null); };
        });
    }

    function showToast(msg, type = 'success', duration = 0) {
        let container = document.getElementById('pk-toast-container');
        if (!container) {
            container = document.createElement('div');
            container.id = 'pk-toast-container';
            container.style.cssText = 'position:fixed; top:80px; left:50%; transform:translateX(-50%); display:flex; flex-direction:column; gap:12px; z-index:2147483647; pointer-events:none; align-items:center; zoom:var(--pk-zoom, 1);';
            document.body.appendChild(container);
        }

        const t = document.createElement('div');
        t.className = `pk-msg-toast ${type}`;

        const isDark = !!document.querySelector('.pk-ov.pk-dark');
        if (isDark) t.classList.add('pk-dark');
        t.style.cssText = 'position:relative; top:auto; left:auto; transform:translateY(-15px) scale(0.95); opacity:0; transition:all 0.3s cubic-bezier(0.23, 1, 0.32, 1); max-width:80vw;';

        if (type === 'error' || type === 'warning') {
            const icon = CONF.icons.warning.replace('style="', 'style="flex-shrink: 0; ');
            t.innerHTML = `${icon}<span style="flex: 1; line-height: 1.4;">${msg}</span>`;
            t.style.backgroundColor = type === 'warning' ? 'rgba(250, 173, 20, 0.95)' : 'rgba(217, 48, 37, 0.95)';
            t.style.color = '#ffffff';
            if (type === 'warning') t.style.border = '1px solid rgba(250, 173, 20, 0.2)';
        } else {
            t.textContent = msg;
        }

        container.prepend(t);

        requestAnimationFrame(() => {
            t.style.transform = 'translateY(0) scale(1)';
            t.style.opacity = '1';
        });

        const displayTime = duration > 0 ? duration : (type === 'success' ? 2200 : 3500);

        setTimeout(() => {
            t.style.opacity = '0';
            t.style.transform = 'translateY(-15px) scale(0.95)';
            setTimeout(() => { if(t.parentNode) t.remove(); }, 300);
        }, displayTime);
    }

    function showBlacklistModal() {
        const icons = {
            paste: `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><rect x="9" y="9" width="13" height="13" rx="2" ry="2"/><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"/></svg>`,
            delRow: `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>`,
            trash: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/><line x1="10" y1="11" x2="10" y2="17"/><line x1="14" y1="11" x2="14" y2="17"/></svg>`,
            rocket: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M4.5 16.5c-1.5 1.26-2 5-2 5s3.74-.5 5-2c.71-.84.7-2.13-.09-2.91a2.18 2.18 0 0 0-2.91-.09z"/><path d="m12 15-3-3a22 22 0 0 1 2-3.95A12.88 12.88 0 0 1 22 2c0 2.72-.78 7.5-6 11a22.35 22.35 0 0 1-4 2z"/><path d="M9 12H4s.55-3.03 2-4c1.62-1.1 4 0 4 0"/><path d="M12 15v5s3.03-.55 4-2c1.1-1.62 0-4 0-4"/></svg>`,
            save: `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M19 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11l5 5v11a2 2 0 0 1-2 2z"/><polyline points="17 21 17 13 7 13 7 21"/><polyline points="7 3 7 8 15 8"/></svg>`
        };

        const toastStyle = `
            position: absolute; top: 120px; left: 50%; transform: translateX(-50%);
            background: var(--pk-toast-bg); backdrop-filter: blur(10px);
            color: var(--pk-toast-fg); border: 1px solid var(--pk-toast-bd);
            padding: 8px 24px; border-radius: 99px;
            font-size: 13px; z-index: 2000; pointer-events: none; opacity: 0; transition: opacity 0.3s, transform 0.3s;
            box-shadow: 0 8px 20px var(--pk-tip-sd); text-align: center; font-weight: 500;
            display: flex; align-items: center; gap: 8px;
        `;

        const textareaStyle = `
            flex: 1; resize: none;
            border: 2px solid transparent; border-radius: 8px;
            padding: 15px; background: var(--pk-hl);
            color: var(--pk-fg); font-size: 13px;
            font-family: inherit;
            cursor: auto; outline: none; line-height: 1.6; letter-spacing: 0.3px;
            transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
            width: 100%; box-sizing: border-box;
        `;

        const modalInnerStyle = `
            <style>
                .pk-bl-btn {
                    border: none; border-radius: 6px; cursor: pointer;
                    display: flex; align-items: center; justify-content: center; gap: 6px;
                    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
                    font-size: 12px; font-weight: 600; padding: 0 16px; height: 32px;
                }
                .pk-bl-btn:active { transform: scale(0.96); }

                .pk-tool-btn {
                    border: 1px solid var(--pk-bd); background: var(--pk-bg); color: var(--pk-fg);
                    padding: 0 12px; height: 32px; border-radius: 6px; cursor: pointer;
                    font-size: 12px; display: flex; align-items: center; gap: 6px;
                }
                .pk-tool-btn:hover { border-color: var(--pk-pri); color: var(--pk-pri); background: var(--pk-sel-bg); }

                .pk-main-clear { background: transparent; color: #d93025; padding: 0 10px; font-size: 13px; }
                .pk-main-clear:hover { background: rgba(217, 48, 37, 0.08); }

                .pk-main-run { background: #d93025; color: #fff; box-shadow: 0 4px 12px rgba(217, 48, 37, 0.25); border-radius: 8px; padding: 0 20px; font-size: 13px; }
                .pk-main-run:hover { filter: brightness(1.15); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(217, 48, 37, 0.35); }

                .pk-main-save { background: var(--pk-pri); color: #fff; border: none; border-radius: 8px; padding: 0 24px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); font-size: 13px; }
                .pk-main-save:hover { filter: brightness(1.1); transform: translateY(-1px); }

                .pk-bl-area:focus { background: var(--pk-bg) !important; border-color: var(--pk-pri) !important; outline: none !important; }
                .pk-ov.pk-dark .pk-bl-area:focus { border-color: #ffffff !important; box-shadow: 0 0 0 1px #ffffff, 0 0 10px rgba(255,255,255,0.2) !important; outline: none !important; }
                .pk-bl-area::placeholder { color: #999; font-style: normal; opacity: 0.8; }
            </style>
        `;

        const m = showModal(`
        ${modalInnerStyle}

        <div style="display:flex; flex-direction:column; height:100%; padding: 10px 0;">
            <div style="flex-shrink:0;">
                <h3 style="margin:0; font-size:18px; font-weight:700; color:var(--pk-fg);">${L.title_blacklist}</h3>

                <div style="margin-top:12px; display:${gmGet('pk_skip_bl_on_del', true) ? 'flex' : 'none'}; align-items:center; gap:8px; font-size:12px; color:var(--pk-pri); background:rgba(0,103,192,0.06); padding:8px 12px; border-radius:6px; line-height:1.4;">
                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" style="flex-shrink:0;"><circle cx="12" cy="12" r="10"/><line x1="12" y1="16" x2="12" y2="12"/><line x1="12" y1="8" x2="12.01" y2="8"/></svg>
                    <span>${L.tip_bl_desc}</span>
                </div>

                <div style="display:flex; gap:20px; margin-top:16px; align-items:center;">
                    <label style="display:flex; align-items:center; cursor:pointer; user-select:none;">
                        <input type="radio" name="bl_mode" value="folder" checked style="accent-color:var(--pk-pri); transform:scale(1.1); margin:0;">
                        <div style="display:flex; align-items:center; margin-left:8px; color:var(--pk-fg);">
                            ${CONF.icons.upFolder.replace('width="16"', 'width="18"').replace('height="16"', 'height="18"')}
                            <span style="margin-left:6px; font-weight:600; font-size:13px;">${L.label_bl_folder}</span>
                        </div>
                    </label>

                    <div style="width:1px; height:14px; background:var(--pk-bd);"></div>

                    <label style="display:flex; align-items:center; cursor:pointer; user-select:none;">
                        <input type="radio" name="bl_mode" value="file" style="accent-color:var(--pk-pri); transform:scale(1.1); margin:0;">
                        <div style="display:flex; align-items:center; margin-left:8px; color:var(--pk-fg);">
                            ${CONF.icons.upFile.replace('width="16"', 'width="18"').replace('height="16"', 'height="18"')}
                            <span style="margin-left:6px; font-weight:600; font-size:13px;">${L.label_bl_file}</span>
                        </div>
                    </label>
                </div>
            </div>

            <div id="pk_bl_toast" style="${toastStyle}"></div>

            <div style="flex:1; display:flex; flex-direction:column; min-height:0; position:relative; margin-top:15px;">

                <div id="group_bl_folder" style="display:flex; flex-direction:column; height:100%;">
                    <div style="display:flex; justify-content:flex-end; gap:10px; margin-bottom:10px;">
                        <button type="button" id="btn_paste_folder" class="pk-tool-btn">
                            ${icons.paste} <span>${L.btn_paste}</span>
                        </button>
                        <button type="button" id="btn_del_folder" class="pk-tool-btn">
                            ${icons.delRow} <span>${L.btn_del}</span>
                        </button>
                    </div>
                    <textarea id="bl_folder_input" class="pk-bl-area" readonly spellcheck="false" wrap="off"
                        placeholder="${L.ph_bl_folder}" style="${textareaStyle}"></textarea>
                </div>

                <div id="group_bl_file" style="display:none; flex-direction:column; height:100%;">
                    <div style="display:flex; justify-content:flex-end; gap:10px; margin-bottom:10px;">
                        <button type="button" id="btn_paste_file" class="pk-tool-btn">
                            ${icons.paste} <span>${L.btn_paste}</span>
                        </button>
                        <button type="button" id="btn_del_file" class="pk-tool-btn">
                            ${icons.delRow} <span>${L.btn_del}</span>
                        </button>
                    </div>
                    <textarea id="bl_file_input" class="pk-bl-area" readonly spellcheck="false" wrap="off"
                        placeholder="${L.ph_bl_file}" style="${textareaStyle}"></textarea>
                </div>
            </div>

            <div class="pk-modal-act" style="justify-content: space-between; align-items: center; margin-top:20px; padding-top:15px; border-top:1px solid var(--pk-bd); flex-shrink:0;">
                <button class="pk-bl-btn pk-main-clear" id="bl_clear">
                    ${icons.trash} <span>${L.btn_clear_list}</span>
                </button>
                <div style="display:flex; gap:12px;">
                    <button class="pk-bl-btn pk-main-run" id="bl_run">
                        ${icons.rocket} <span>${L.btn_blacklist_run}</span>
                    </button>
                    <button class="pk-bl-btn pk-main-save" id="bl_save">
                        ${icons.save} <span>${L.btn_save}</span>
                    </button>
                </div>
            </div>
        </div>
        `);

        const modalEl = m.querySelector('.pk-modal');
        Object.assign(modalEl.style, { width: '600px', maxWidth: '90vw', padding: '30px', height: '600px', maxHeight: '85vh' });
        const closeBtn = m.querySelector('.pk-modal-close');
        if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });

        const areaFolder = m.querySelector('#bl_folder_input');
        const areaFile = m.querySelector('#bl_file_input');

        const radios = m.querySelectorAll('input[name="bl_mode"]');
        const groupFolder = m.querySelector('#group_bl_folder');
        const groupFile = m.querySelector('#group_bl_file');

        radios.forEach(r => {
            r.onchange = () => {
                const mode = r.value;
                groupFolder.style.display = mode === 'folder' ? 'flex' : 'none';
                groupFile.style.display = mode === 'file' ? 'flex' : 'none';
            };
        });
        const toast = m.querySelector('#pk_bl_toast');

        const showToast = (msg) => {
            toast.textContent = msg;
            toast.style.opacity = '1';
            setTimeout(() => { toast.style.opacity = '0'; }, 2000);
        };

        const loadLargeText = async (el, storageKey, originalPlaceholder) => {
            el.placeholder = L.str_loading_placeholder;
            await sleep(350);
            const data = await new Promise(r => setTimeout(() => r(gmGet(storageKey, '')), 0));
            if (data) {
                const prevDisplay = el.style.display;
                el.style.display = 'none';
                el.value = data;
                el.style.display = prevDisplay;
            }
            el.placeholder = originalPlaceholder;
            el.setSelectionRange(0, 0);
            el.blur();
        };

        loadLargeText(areaFolder, 'pk_blacklist_folders', L.ph_bl_folder);
        loadLargeText(areaFile, 'pk_blacklist', L.ph_bl_file);

        const highlightLine = (el) => {
            if (el.selectionStart !== el.selectionEnd) return;
            const val = el.value;
            if (!val) return;
            const cursor = el.selectionStart;
            let start = val.lastIndexOf('\n', cursor - 1);
            start = start === -1 ? 0 : start + 1;
            let end = val.indexOf('\n', cursor);
            if (end === -1) end = val.length;
            el.setSelectionRange(start, end);
        };

        const enableLineSnap = (el) => {
            el.addEventListener('click', () => highlightLine(el));
            el.addEventListener('keyup', (e) => {
                if (['ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight'].includes(e.key)) highlightLine(el);
            });
        };

        enableLineSnap(areaFolder);
        enableLineSnap(areaFile);

        const setupSafeControls = (el, btnPaste, btnDel) => {
            btnPaste.onclick = async () => {
                try {
                    const text = await navigator.clipboard.readText();
                    if (!text || !text.trim()) return showToast(L.msg_copy_empty);

                    const cleanText = text.split(/\r?\n/).map(line => line.trim()).filter(line => line).join('\n');
                    const oldVal = el.value;
                    const prefix = (oldVal && !oldVal.endsWith('\n')) ? '\n' : '';

                    el.value = oldVal + prefix + cleanText;
                    el.scrollTop = el.scrollHeight;

                    const addedCount = cleanText.split('\n').length;
                    showToast(L.msg_add_success.replace('{n}', addedCount));
                } catch (err) {
                    showToast(L.err_clipboard_denied);
                }
            };

            btnDel.onclick = () => {
                const val = el.value;
                if (!val) return;

                const selStart = el.selectionStart;
                const selEnd = el.selectionEnd;

                if (selStart === selEnd) {
                    return showToast(L.msg_del_select);
                }

                let lineStart = val.lastIndexOf('\n', selStart - 1);
                lineStart = (lineStart === -1) ? 0 : lineStart + 1;

                let lineEnd = val.indexOf('\n', selEnd);
                if (lineEnd === -1) lineEnd = val.length;
                else lineEnd += 1;

                const newVal = val.substring(0, lineStart) + val.substring(lineEnd);
                el.value = newVal;

                el.setSelectionRange(lineStart, lineStart);
                highlightLine(el);
                el.focus();

                showToast(L.msg_del_done);
            };
        };

        setupSafeControls(areaFolder, m.querySelector('#btn_paste_folder'), m.querySelector('#btn_del_folder'));
        setupSafeControls(areaFile, m.querySelector('#btn_paste_file'), m.querySelector('#btn_del_file'));

        m.querySelector('#bl_save').onclick = async () => {
            const fDir = areaFolder.value.trim();
            const fFile = areaFile.value.trim();
            gmSet('pk_blacklist_folders', fDir);
            gmSet('pk_blacklist', fFile);
            S.updateBlCache();
            m.remove();
            renderVisible();
        };

        m.tabIndex = 0;
        setTimeout(() => m.focus(), 10);
        m.addEventListener('keydown', (e) => {
            if (e.key === 'Enter' && e.target.tagName !== 'TEXTAREA') {
                e.preventDefault(); e.stopPropagation();
                m.querySelector('#bl_save').click();
            }
        });

        m.querySelector('#bl_clear').onclick = async () => {
            if (areaFolder.value.trim() === '' && areaFile.value.trim() === '') return;
            if (await showConfirm(L.msg_bl_clear_confirm, L.title_confirm)) {
                areaFolder.value = "";
                areaFile.value = "";
                gmSet('pk_blacklist_folders', "");
                gmSet('pk_blacklist', "");
                S.updateBlCache();
                renderVisible();
                showToast(L.str_cleanup_done);
            }
        };

        m.querySelector('#bl_run').onclick = async () => {
            if (S.movingIds && S.movingIds.size > 0) {
                showAlert(L.err_task_conflict);
                return;
            }
            const fDir = areaFolder.value.trim();
            const fFile = areaFile.value.trim();
            gmSet('pk_blacklist_folders', fDir);
            gmSet('pk_blacklist', fFile);
            S.updateBlCache();

            const isGlobalSearch = S.path.some(p => p.id === 'virtual_search_root');

            if (S.trashMode || S.shareMode || S.offlineMode || S.starredMode || S.recentMode || S.historyMode || S.isFlattened || S.dupMode || S.analyzeMode || isGlobalSearch) {
                m.remove();
                showAlert(L.msg_bl_run_limit);
                return;
            }

            m.remove();
            setLoad(true);
            S.scanning = true;

            S.scanId = (S.scanId || 0) + 1;
            const myScanId = S.scanId;

            if (S.scanAbortController) S.scanAbortController.abort();
            S.scanAbortController = new AbortController();
            const signal = S.scanAbortController.signal;

            const parseBigTextAsync = async (text, typeLabel) => {
                const set = new Set();
                if (!text) return set;
                const len = text.length;
                let start = 0; let end = 0; let count = 0; let lastYieldTime = performance.now();
                updateLoadTxt(`${L.str_analyzing}\n${typeLabel}... 0%`);
                await sleep(16);
                while (start < len) {
                    if (!S.scanning || signal.aborted || myScanId !== S.scanId) return set;
                    end = text.indexOf('\n', start);
                    if (end === -1) end = len;
                    const line = text.substring(start, end).trim().toLowerCase();
                    if (line) set.add(line);
                    start = end + 1; count++;
                    if (count % 2000 === 0) {
                        const now = performance.now();
                        if (now - lastYieldTime > 16) {
                            const progress = Math.min(100, Math.round((start / len) * 100));
                            updateLoadTxt(`${L.str_analyzing}\n${typeLabel}... ${progress}% (${set.size})`);
                            await sleep(0);
                            lastYieldTime = performance.now();
                        }
                    }
                }
                return set;
            };

            UI.stopBtn.onclick = () => {
                S.scanning = false;
                if (S.scanAbortController) S.scanAbortController.abort();
                updateLoadTxt(L.str_stopping);
            };

            try {
                const folderText = areaFolder.value || '';
                const fileText = areaFile.value || '';

                if (folderText) S.blFolderSet = await parseBigTextAsync(folderText, L.lbl_type_folder);
                else S.blFolderSet = new Set();

                if (S.scanning && !signal.aborted && myScanId === S.scanId) {
                    if (fileText) S.blSet = await parseBigTextAsync(fileText, L.lbl_type_file);
                    else S.blSet = new Set();
                }

                if (!S.scanning || signal.aborted || myScanId !== S.scanId) {
                    if (myScanId === S.scanId) setLoad(false);
                    return;
                }

                if (S.blSet.size === 0 && S.blFolderSet.size === 0) {
                    setLoad(false);
                    showAlert(L.msg_bl_empty);
                    return;
                }

                updateLoadTxt(L.str_init_scan);
                await sleep(50);

                const foundMatches = [];
                const rootNodes = [{ id: '', name: 'Root', lineage: [], retryCount: 0 }];

                await coreRecursiveEngine(rootNodes, {
                    signal: signal,
                    preferFresh: true,
                    onFile: (f, parent) => {
                        const cleanName = f.name.replace(/[\r\n\v\f\u2028\u2029]+/g, ' ').trim().toLowerCase();
                        if (S.blSet.has(cleanName)) {
                            f._lineage = parent.lineage || [];
                            foundMatches.push({ item: f, type: 'FILE' });
                        }
                    },
                    onFolder: (folder, filesInFolder, nextSubFolders) => {
                        const cleanName = folder.name.replace(/[\r\n\v\f\u2028\u2029]+/g, ' ').trim().toLowerCase();

                        const isSystemRootFolder = (folder.parent_id === '' || folder.parent_id === 'root') && folder.name === CONF.SYSTEM_FOLDER_NAME;

                        if (S.blFolderSet.has(cleanName) && !isSystemRootFolder) {
                            folder._lineage = (folder.lineage || []).slice(0, -1);

                            foundMatches.push({ item: folder, type: 'FOLDER' });
                            nextSubFolders.length = 0;
                        }
                    },
                    onProgress: (st) => {
                        const folderText = `${L.str_scanning} ${st.folders} ${L.unit_folders}`;

                        const statusInfo = ` | ${L.str_hits}: ${foundMatches.length} | ${L.str_speed}: ${st.currentConcurrency} | ${L.str_cached} ${st.cacheHits} ${L.unit_folders}`;

                        updateLoadTxt(folderText + statusInfo);
                    }
                });

                if (!S.scanning || signal.aborted || myScanId !== S.scanId) {
                    if (myScanId === S.scanId) setLoad(false);
                    return;
                }

                setLoad(false);
                if (foundMatches.length === 0) {
                    showAlert(L.msg_blacklist_run_none);
                    return;
                }

                showPreviewModal(foundMatches);

            } catch (e) {
                if (e.name !== 'AbortError' && myScanId === S.scanId) {
                    setLoad(false);
                    showAlert(`${L.str_scan_error}: ${e.message}`);
                }
            } finally {
                if (myScanId === S.scanId) {
                    setLoad(false);
                    S.scanning = false;
                    S.scanAbortController = null;
                    if (typeof DurationProber !== 'undefined') DurationProber.checkAndRun();
                }
            }
        };
    }



    function showPreviewModal(matches) {
        const modalHtml = `
            <style>
                .pk-bl-prev-ov { position: relative; flex: 1; overflow: hidden; display: flex; flex-direction: column; border: 2px solid var(--pk-bd); border-radius: 8px; background: var(--pk-bg); }
                #bl_prev_list { position: relative; flex: 1; overflow-y: auto; overflow-x: hidden; user-select: none; }
                #bl_prev_del:hover:not(:disabled) { background: #d93025 !important; filter: brightness(1.15) !important; }
                .pk-bl-mq { position: absolute; background: rgba(0, 103, 192, 0.1); border: 1px solid rgba(0, 103, 192, 0.4); pointer-events: none; display: none; z-index: 10; }
                #bl_prev_list::-webkit-scrollbar { width: 6px; }
                #bl_prev_list::-webkit-scrollbar-thumb { background: var(--pk-sb-th); border-radius: 3px; }
            </style>

            <div style="display:flex; flex-direction:column; height:100%; overflow:hidden;">
                <div style="padding: 24px 30px 15px 30px; flex-shrink:0;">
                    <h3 style="margin:0; font-size:18px; font-weight:700; color:var(--pk-fg); line-height:1.2;">${L.modal_bl_preview.replace('{n}', matches.length)}</h3>
                    <div id="bl_top_stat" style="font-size:12px; color:#888; margin-top:4px; font-weight:500;"></div>
                </div>

                <div style="flex:1; padding: 0 30px; overflow:hidden; display:flex; flex-direction:column;">
                    <div class="pk-bl-prev-ov">
                        <div style="display:grid; grid-template-columns: 40px 50px 1fr 1fr; font-weight:600; padding:10px 0; border-bottom:1px dashed var(--pk-bd); background:var(--pk-bg); font-size:12px; position:sticky; top:0; align-items:center; z-index: 11; color:#888;">
                            <div style="display:flex; align-items:center; justify-content:center;"><input type="checkbox" id="bl_prev_all" checked style="cursor:pointer; margin:0; width:16px; height:16px; accent-color:var(--pk-pri);"></div>
                            <div style="display:flex; align-items:center; justify-content:center;">${L.col_type}</div>
                            <div>${L.col_name}</div>
                            <div>${L.col_path}</div>
                        </div>
                        <div id="bl_prev_list"><div id="bl_prev_in" style="position:relative; width:100%;"></div></div>
                    </div>
                </div>

                <div class="pk-modal-act" style="padding: 20px 30px 24px 30px; margin-top:0; display:flex; align-items:center; justify-content:space-between; flex-shrink:0;">
                    <label style="display:flex; align-items:center; cursor:pointer; font-size:13px; color:#d93025; user-select:none; font-weight:600; opacity:0.9;" onmouseover="this.style.opacity=1" onmouseout="this.style.opacity=0.9">
                        <input type="checkbox" id="bl_prev_hard_delete" style="margin-right:8px; width:16px; height:16px; accent-color:#d93025; cursor:pointer;">
                        <span>${L.lbl_hard_delete}</span>
                    </label>
                    <div style="display:flex; gap:12px;">
                        <button class="pk-btn" id="bl_prev_cancel" style="height:40px; padding:0 20px; border-radius:8px; background:transparent; font-weight:600; color:var(--pk-fg);">${L.btn_cancel}</button>
                        <button class="pk-btn pri" id="bl_prev_del" style="height:40px; padding:0 24px; border-radius:8px; background:#d93025; border:none; color:#fff; font-weight:bold; box-shadow:0 4px 12px rgba(217,48,37,0.3); transition:all 0.2s;">${L.btn_bl_delete}</button>
                    </div>
                </div>
            </div>
        `;

        const m = showModal(modalHtml);
        const modalEl = m.querySelector('.pk-modal');
        Object.assign(modalEl.style, { width: "800px", maxWidth: "90vw", height: "80vh", padding: "0", display: "flex", flexDirection: "column" });

        const closeBtn = m.querySelector('.pk-modal-close');
        if (closeBtn) Object.assign(closeBtn.style, { top: "24px", right: "24px" });

        const listDiv = m.querySelector('#bl_prev_list');
        const listIn = m.querySelector('#bl_prev_in');
        const chkAll = m.querySelector('#bl_prev_all');
        const btnDel = m.querySelector('#bl_prev_del');
        const topStat = m.querySelector('#bl_top_stat');

        const ROW_HEIGHT = 44;
        listIn.style.height = `${matches.length * ROW_HEIGHT}px`;

        const selectedIds = new Set(matches.map(m => m.item.id));
        let lastIdx = -1;

        const updateCount = () => {
            const c = selectedIds.size;
            if (topStat) {
                topStat.innerHTML = L.str_bl_stat
                    .replace('{n}', matches.length)
                    .replace('{m}', `<b style="color:var(--pk-pri); margin:0 2px;">${c}</b>`);
            }
            btnDel.disabled = c === 0;
            btnDel.style.opacity = c === 0 ? 0.5 : 1;
            btnDel.style.cursor = c === 0 ? 'not-allowed' : 'pointer';

            chkAll.checked = c > 0 && c === matches.length;
            chkAll.indeterminate = c > 0 && c < matches.length;
        };
        updateCount();

        let isRenderScheduled = false;

        const renderPreviewList = () => {
            const top = listDiv.scrollTop;
            const h = listDiv.clientHeight || 500;
            const buffer = 15;
            const start = Math.max(0, Math.floor(top / ROW_HEIGHT) - buffer);
            const end = Math.min(matches.length, Math.ceil((top + h) / ROW_HEIGHT) + buffer);

            listIn.innerHTML = '';
            const fragment = document.createDocumentFragment();

            for (let i = start; i < end; i++) {
                const mMatch = matches[i];
                const row = document.createElement('div');
                row.dataset.id = mMatch.item.id;
                row.style.cssText = `position:absolute; top:${i * ROW_HEIGHT}px; width:100%; display:grid; grid-template-columns: 40px 50px 1fr 1fr; padding:0; border-bottom:1px dashed var(--pk-bd); font-size:13px; align-items:center; height:${ROW_HEIGHT}px; transition:background 0.1s; cursor:pointer;`;

                row.onmouseover = () => row.style.backgroundColor = 'var(--pk-hl)';
                row.onmouseout = () => row.style.backgroundColor = 'transparent';

                const isFolder = mMatch.type === 'FOLDER';
                const it = mMatch.item;
                const mime = (it.mime_type || '').toLowerCase();
                const isMedia = mime.startsWith('video/') || mime.startsWith('image/');

                if (isFolder && (!it.thumbnail_link || it.thumbnail_link === it.icon_link) && typeof globalCache !== 'undefined') {
                    const scanDeepCover = (targetId, depth) => {
                        if (depth > 5) return null;
                        const raw = globalCache.get(targetId);
                        if (!raw) return null;
                        const files = (raw && !Array.isArray(raw) && raw.items) ? raw.items : raw;
                        if (!files || files.length === 0) return null;
                        const vid = files.find(f => f.mime_type?.startsWith('video/') && f.thumbnail_link);
                        if (vid) return vid.thumbnail_link;
                        const img = files.find(f => f.mime_type?.startsWith('image/') && f.thumbnail_link);
                        if (img) return img.thumbnail_link;
                        const subFolders = files.filter(f => f.kind === 'drive#folder');
                        for (const sub of subFolders) {
                            if (globalCache.has(sub.id)) {
                                const childThumb = scanDeepCover(sub.id, depth + 1);
                                if (childThumb) return childThumb;
                                continue;
                            }
                            if (sub.thumbnail_link && sub.thumbnail_link !== sub.icon_link && !sub._coverResolved) {
                                return sub.thumbnail_link;
                            }
                            const childThumb = scanDeepCover(sub.id, depth + 1);
                            if (childThumb) return childThumb;
                        }
                        return null;
                    };
                    const foundThumb = scanDeepCover(it.id, 0);
                    if (foundThumb) {
                        it.thumbnail_link = foundThumb;
                    }
                }

                const hasCover = it.thumbnail_link && it.thumbnail_link !== it.icon_link;
                const fallbackSvg = getIcon(it).replace(/width="\d+"/, 'width="24"').replace(/height="\d+"/, 'height="24"');
                let iconHtml = '';

                if (!isFolder && isMedia && hasCover) {
                    iconHtml = `<img src="${it.thumbnail_link}" style="width:24px;height:24px;object-fit:cover;border-radius:4px;flex-shrink:0;" onerror="this.style.display='none';this.nextElementSibling.style.display='inline-flex';">`;
                    const secondFallback = it.icon_link
                        ? `<img src="${it.icon_link}" style="width:24px;height:24px;object-fit:contain;flex-shrink:0;" onerror="this.style.display='none';this.nextElementSibling.style.display='inline-flex';"><span style="display:none;align-items:center;">${fallbackSvg}</span>`
                        : fallbackSvg;
                    iconHtml += `<span style="display:none;align-items:center;justify-content:center;">${secondFallback}</span>`;
                } else {
                    const iconSrc = it.icon_link;
                    iconHtml = iconSrc
                        ? `<img src="${iconSrc}" style="width:24px;height:24px;object-fit:contain;flex-shrink:0;" onerror="this.style.display='none';if(this.nextElementSibling)this.nextElementSibling.style.display='inline-flex';"><span style="display:none;align-items:center;flex-shrink:0;">${fallbackSvg}</span>`
                        : fallbackSvg;
                }

                const lineage = mMatch.item._lineage ||[];
                const relativePath = lineage.map(x => x.name).join('/');
                const homeIcon = `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="margin-right:4px;flex-shrink:0;vertical-align:-1px;"><path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"></path><polyline points="9 22 9 12 15 12 15 22"></polyline></svg>`;

                row.ondragstart = (e) => { e.preventDefault(); return false; };

                let pathHtml = `<div style="display:flex;align-items:center;overflow:hidden;white-space:nowrap;">
                    <span style="display:flex;align-items:center;flex-shrink:0;">${homeIcon}${esc(L.btn_nav_home)}</span>`;
                if (relativePath) {
                    pathHtml += `<span style="margin:0 4px;">/</span><span style="overflow:hidden;text-overflow:ellipsis;white-space:nowrap;">${esc(relativePath)}</span>`;
                }
                pathHtml += `</div>`;

                const homeGroupTip = `<span style="display:inline-flex;align-items:center;vertical-align:bottom;">${homeIcon}${esc(L.btn_nav_home)}</span>`;
                const fullPathTip = `<div style="line-height:1.6;word-break:break-all;">${homeGroupTip}${relativePath ? '<span style="margin:0 4px;opacity:0.5;">/</span>' + esc(relativePath) : ''}</div>`;
                const thumbAttr = (typeof hasCover !== 'undefined' && hasCover) ? `data-pk-thumb="${it.thumbnail_link}"` : '';

                const isChecked = selectedIds.has(mMatch.item.id);

                row.innerHTML = `
                    <div style="display:flex; align-items:center; justify-content:center;">
                        <input type="checkbox" ${isChecked ? 'checked' : ''} data-id="${mMatch.item.id}" style="cursor:pointer; margin:0; display:block; width:16px; height:16px; accent-color:var(--pk-pri);">
                    </div>
                    <div style="display:flex; align-items:center; justify-content:center;" ${thumbAttr}>${iconHtml}</div>
                    <div style="overflow:hidden; text-overflow:ellipsis; white-space:nowrap; padding-right:10px; font-weight:normal; color:var(--pk-fg);" ${thumbAttr} data-pk-tip="${esc(mMatch.item.name)}">${esc(mMatch.item.name)}</div>
                    <div style="overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:var(--pk-fg);" data-pk-tip="${fullPathTip.replace(/"/g, '&quot;')}">${pathHtml}</div>
                `;

                const chk = row.querySelector('input');

                row.onclick = (e) => {
                    const curIdx = i;
                    const id = mMatch.item.id;

                    if (e.target === chk && !e.shiftKey && !e.ctrlKey && !e.metaKey) return;

                    if (e.shiftKey && lastIdx !== -1) {
                        const s = Math.min(lastIdx, curIdx);
                        const eIdx = Math.max(lastIdx, curIdx);
                        if (!e.ctrlKey && !e.metaKey) selectedIds.clear();
                        for (let k = s; k <= eIdx; k++) selectedIds.add(matches[k].item.id);
                    } else if (e.ctrlKey || e.metaKey) {
                        if (selectedIds.has(id)) selectedIds.delete(id);
                        else selectedIds.add(id);
                    } else {
                        selectedIds.clear();
                        selectedIds.add(id);
                    }

                    lastIdx = curIdx;
                    updateCount();
                    renderPreviewList();
                };

                chk.onchange = (e) => {
                    if(e.target.checked) { selectedIds.add(mMatch.item.id); lastIdx = i; }
                    else selectedIds.delete(mMatch.item.id);
                    updateCount();
                    renderPreviewList();
                };

                fragment.appendChild(row);
            }
            listIn.appendChild(fragment);
        };

        listDiv.onscroll = () => {
            if (!isRenderScheduled) {
                requestAnimationFrame(() => { renderPreviewList(); isRenderScheduled = false; });
                isRenderScheduled = true;
            }
        };

        renderPreviewList();

        m.addEventListener('click', (e) => {
            if (m._blockClick) return;
            if (e.target.closest('[data-id]') || e.target.closest('button') || e.target.closest('input') || e.target.closest('label')) return;

            if (selectedIds.size > 0) {
                selectedIds.clear();
                lastIdx = -1;
                updateCount();
                renderPreviewList();
            }
        });

        chkAll.onchange = (e) => {
            const checked = e.target.checked;
            if(checked) {
                matches.forEach(m => selectedIds.add(m.item.id));
            } else {
                selectedIds.clear();
            }
            updateCount();
            renderPreviewList();
        };

        const mqBox = document.createElement('div');
        mqBox.className = 'pk-bl-mq';
        listDiv.appendChild(mqBox);

        let isDragging = false, isMarquee = false, startX = 0, startY = 0;
        let blScrollSpeed = 0, blScrollRaf = null, blLastX = 0, blLastY = 0, blLastCtrl = false;

        listDiv.onmousedown = (e) => {
            if (e.button !== 0 || e.target.closest('input')) return;
            const rect = getLogicalRect(listDiv);

            isDragging = true;
            isMarquee = false;
            startX = e.clientX - rect.left;
            startY = e.clientY - rect.top + listDiv.scrollTop;
            const rawStartX = e.clientX, rawStartY = e.clientY;

            const updateMarqueeBox = () => {
                const curRect = getLogicalRect(listDiv);
                const curX = blLastX - curRect.left;
                const maxScrollHeight = listIn.offsetHeight;
                const curY = Math.max(0, Math.min(maxScrollHeight, blLastY - curRect.top + listDiv.scrollTop));

                const top = Math.min(startY, curY);
                const left = Math.min(startX, curX);
                const width = Math.abs(curX - startX);
                const height = Math.abs(curY - startY);

                mqBox.style.display = 'block';
                mqBox.style.top = top + 'px';
                mqBox.style.left = left + 'px';
                mqBox.style.width = width + 'px';
                mqBox.style.height = height + 'px';

                const sIdx = Math.floor(top / ROW_HEIGHT);
                const eIdx = Math.floor((top + height) / ROW_HEIGHT);

                for (let i = 0; i < matches.length; i++) {
                    const isInside = i >= sIdx && i <= eIdx;
                    if (isInside) {
                        selectedIds.add(matches[i].item.id);
                    } else if (!blLastCtrl) {
                        selectedIds.delete(matches[i].item.id);
                    }
                }
                updateCount();
                if (!isRenderScheduled) {
                    requestAnimationFrame(() => { renderPreviewList(); isRenderScheduled = false; });
                    isRenderScheduled = true;
                }
            };

            const runBlScroll = () => {
                if (!isMarquee || blScrollSpeed === 0) { blScrollRaf = null; return; }
                listDiv.scrollTop += blScrollSpeed;
                updateMarqueeBox();
                blScrollRaf = requestAnimationFrame(runBlScroll);
            };

            const onMouseMove = (me) => {
                if (!isDragging) return;

                if (!isMarquee) {
                    if (Math.abs(me.clientX - rawStartX) > 5 || Math.abs(me.clientY - rawStartY) > 5) {
                        isMarquee = true;
                        if (!me.ctrlKey && !me.metaKey && !me.shiftKey) {
                            selectedIds.clear();
                            lastIdx = -1;
                            updateCount();
                            renderPreviewList();
                        }
                    } else return;
                }

                blLastX = me.clientX;
                blLastY = me.clientY;
                blLastCtrl = me.ctrlKey || me.metaKey;
                const curRect = listDiv.getBoundingClientRect();

                if (blLastY > curRect.bottom - 5) blScrollSpeed = Math.min(45, 2 + Math.pow((blLastY - curRect.bottom + 5) / 5, 1.3));
                else if (blLastY < curRect.top + 5) blScrollSpeed = -Math.min(45, 2 + Math.pow((curRect.top + 5 - blLastY) / 5, 1.3));
                else blScrollSpeed = 0;

                if (blScrollSpeed !== 0 && !blScrollRaf) blScrollRaf = requestAnimationFrame(runBlScroll);

                updateMarqueeBox();
            };

            const onMouseUp = () => {
                if (isDragging && mqBox.style.display === 'block') {
                    m._blockClick = true;
                    setTimeout(() => m._blockClick = false, 100);
                }

                isDragging = false;
                blScrollSpeed = 0;
                if (blScrollRaf) { cancelAnimationFrame(blScrollRaf); blScrollRaf = null; }

                mqBox.style.display = 'none';
                window.removeEventListener('mousemove', onMouseMove);
                window.removeEventListener('mouseup', onMouseUp);
            };

            window.addEventListener('mousemove', onMouseMove);
            window.addEventListener('mouseup', onMouseUp);
        };

        m.querySelector('#bl_prev_cancel').onclick = () => m.remove();

        m.tabIndex = 0;
        setTimeout(() => m.focus(), 50);

        m.addEventListener('keydown', (e) => {
            if ((e.ctrlKey || e.metaKey) && (e.key === 'a' || e.key === 'A')) {
                e.preventDefault();
                e.stopPropagation();

                matches.forEach(m => selectedIds.add(m.item.id));
                updateCount();
                renderPreviewList();
            }
        }, true);

        btnDel.onclick = async () => {
            if (selectedIds.size === 0) return;

            const confirmed = await showConfirm(L.warn_del.replace('{n}', selectedIds.size));
            if (!confirmed) return;

            const isHardDelete = m.querySelector('#bl_prev_hard_delete').checked;

            m.remove();

            const allIds = Array.from(selectedIds).filter(id => {
                const match = matches.find(m => m.item.id === id);
                if (match && isSystemItem(match.item)) {
                    console.warn(`[Security] Prevented deletion of system folder: ${match.item.name}`);
                    return false;
                }
                return true;
            });

            if (allIds.length < selectedIds.size) {
                console.log("System items were removed from deletion list.");
            }

            const itemsToDelete = matches.filter(m => allIds.includes(m.item.id)).map(m => m.item);
            await executeBatchDelete(allIds, {
                silent: false,
                explicitItems: itemsToDelete,
                hardDelete: isHardDelete
            });
        };
    }

    function updateLoadAction(isExitMode = false) {
        if (!UI.stopBtn) return;
        UI.stopBtn.removeAttribute('data-pk-tip');
        const txtEl = UI.stopBtn.querySelector('span');
        if (txtEl) txtEl.textContent = isExitMode ? L.btn_exit_script : L.btn_stop;
    }

    function setLoad(b, isInline = false) {
        S.loading = b;
        if (b) {
            if (isInline) {
                UI.loader.style.display = 'none';
            } else {
                UI.loader.style.display = 'flex';
                if (UI.loadTxt) UI.loadTxt.textContent = L.loading_detail;
                updateLoadAction(false);
            }
        } else {
            UI.loader.style.display = 'none';
            updateLoadAction(false);
        }
    }
    function updateLoadTxt(txt) {
        if (UI.loadTxt) UI.loadTxt.innerText = txt;
        updateLoadAction(txt === L.str_waiting_token);
    }

    let activeLoadId = 0;

    const computeDuplicateGroups = async (candidates, cfg, isRunningFn) => {
        const groups =[];
        const assigned = new Set();
        const strictness = gmGet('pk_dup_strictness', 'strict');
        const sizeRatioLimit = (strictness === 'loose') ? 0.10 : 0.05;

        const activeStages = ['hash', ...(cfg.video ? ['video'] : []), 'name'];
        const stageSpan = 100 / activeStages.length;
        const setDupProgress = (pct) => {
            const safePct = Math.max(0, Math.min(100, Math.round(pct)));
            updateLoadTxt(L.loading_dup.replace('{p}', safePct));
        };
        let lastDupPct = 0;
        const setStageProgress = (stageKey, processed, total, stageStartRatio = 0, stageEndRatio = 1) => {
            const stageIndex = activeStages.indexOf(stageKey);
            if (stageIndex < 0) return;
            const start = stageIndex * stageSpan;
            const end = (stageIndex + 1) * stageSpan;
            const safeStartRatio = Math.max(0, Math.min(1, stageStartRatio));
            const safeEndRatio = Math.max(safeStartRatio, Math.min(1, stageEndRatio));

            let innerRatio = safeEndRatio;
            if (total > 0) {
                const raw = Math.max(0, Math.min(1, processed / total));
                innerRatio = safeStartRatio + ((safeEndRatio - safeStartRatio) * raw);
            }

            const nextPct = start + ((end - start) * innerRatio);
            if (nextPct >= lastDupPct) {
                lastDupPct = nextPct;
                setDupProgress(nextPct);
            }
        };

        setDupProgress(0);

        if (isRunningFn()) {
            const hashMap = new Map();
            let hashProcessed = 0;
            const hashBuildTotal = candidates.length;

            for (const item of candidates) {
                const hash = item.gcid || item.md5_checksum || item.hash;
                const key = hash ? `${hash}|${item.size}` : null;
                if (key) {
                    if (!hashMap.has(key)) hashMap.set(key,[]);
                    hashMap.get(key).push(item);
                }

                hashProcessed++;
                if (hashProcessed % 500 === 0) {
                    if (!isRunningFn()) break;
                    setStageProgress('hash', hashProcessed, hashBuildTotal, 0, 0.7);
                    await sleep(0);
                }
            }

            if (!isRunningFn()) return groups;

            const hashEntries = Array.from(hashMap.entries());
            const hashTotal = hashBuildTotal + hashEntries.length;

            for (let i = 0; i < hashEntries.length; i++) {
                const [key, items] = hashEntries[i];
                if (items.length > 1) {
                    const ids = items.map(i => i.id);
                    ids.forEach(id => { assigned.add(id); S.dupReasons.set(id, L.tag_hash); });
                    groups.push({ ids: ids, type: L.tag_hash });
                }

                if ((i + 1) % 200 === 0) {
                    if (!isRunningFn()) break;
                    setStageProgress('hash', i + 1, hashEntries.length, 0.7, 1);
                    await sleep(0);
                }
            }

            if (!isRunningFn()) return groups;
            setStageProgress('hash', 1, 1, 1, 1);
        }

        if (isRunningFn() && cfg.video) {
            const simCandidates = candidates.filter(i => i.mime_type.startsWith('video') && !assigned.has(i.id));
            const validVideos = simCandidates.filter(item => (parseFloat(item.params?.duration || 0) > 0));
            validVideos.sort((a, b) => parseFloat(a.params?.duration || 0) - parseFloat(b.params?.duration || 0));

            let processedCount = 0;
            const totalCount = validVideos.length;

            if (totalCount <= 0) {
                setStageProgress('video', 0, 0);
            }

            for (let i = 0; i < totalCount; i++) {
                processedCount++;
                if (processedCount % 500 === 0) {
                    if (!isRunningFn()) break;
                    setStageProgress('video', processedCount, totalCount);
                    await sleep(0);
                }

                if (assigned.has(validVideos[i].id)) continue;

                const root = validVideos[i];
                const rootDur = parseFloat(root.params?.duration || 0);
                const rootSize = parseInt(root.size || 0);
                const groupItems = [root];

                for (let j = i + 1; j < totalCount; j++) {
                    const target = validVideos[j];
                    if (assigned.has(target.id)) continue;

                    const durThreshold = (strictness === 'loose') ? 3.0 : 2.0;
                    const targetDur = parseFloat(target.params?.duration || 0);
                    const durDiff = Math.abs(targetDur - rootDur);

                    if (durDiff > durThreshold) break;

                    const targetSize = parseInt(target.size || 0);
                    if (rootSize > 0 && targetSize > 0) {
                        const sizeDiff = Math.abs(targetSize - rootSize);
                        const maxBase = Math.max(targetSize, rootSize);
                        const ratio = sizeDiff / maxBase;

                        if (strictness === 'loose' || ratio <= 0.10) {
                            groupItems.push(target);
                        }
                    }
                }

                if (groupItems.length > 1) {
                    const ids = groupItems.map(x => x.id);
                    ids.forEach(id => { assigned.add(id); S.dupReasons.set(id, L.tag_sim); });
                    groups.push({ ids: ids, type: L.tag_sim });
                }
            }

            if (!isRunningFn()) return groups;
            setStageProgress('video', totalCount, totalCount);
        }

        if (isRunningFn()) {
            const cleanNameAd = (oldName) => {
                let cleanName = oldName;
                cleanName = cleanName.replace(/^【[^】]+】 *[-_.]? */, '');
                cleanName = cleanName.replace(/^[a-z0-9-]+[.](?:com|net|org|cc|xyz|vip|top|la) +/i, '');
                const adKw = "(?:[.]com|[.]net|[.]org|[.]cc|[.]xyz|[.]vip|[.]top|[.]la|2048|www[.])";
                const atRegex = new RegExp('^.*?' + adKw + '.*?(?:@|--+|_\\\\s)', 'i');
                cleanName = cleanName.replace(atRegex, '');
                const hyphenRegex = new RegExp('^[a-z0-9.-]+' + adKw + '-', 'i');
                cleanName = cleanName.replace(hyphenRegex, '');
                cleanName = cleanName.replace(/^(?:精品加群|福利合集)[0-9]+[-_]+ */, '');
                cleanName = cleanName.replace(/^[-_. ,，:：;；\\p{Extended_Pictographic}]+/u, '');

                const pairs = [['【','】'], ['[',']'], ['《','》'],['<','>'], ['（','）'],['(',')'], ['{','}']];
                pairs.forEach(([L_char, R_char]) => {
                    const idxR_Fix = cleanName.indexOf(R_char);
                    const idxL_Check = cleanName.indexOf(L_char);
                    if (idxR_Fix > 0 && idxR_Fix <= 10 && (idxL_Check === -1 || idxL_Check > idxR_Fix)) {
                        cleanName = L_char + cleanName;
                    }
                    const chars = cleanName.split('');
                    const stack =[];
                    const toRemove = new Set();
                    for (let i = 0; i < chars.length; i++) {
                        const c = chars[i];
                        if (c === L_char) {
                            stack.push(i);
                        } else if (c === R_char) {
                            if (stack.length > 0) stack.pop();
                            else toRemove.add(i);
                        }
                    }
                    stack.forEach(i => toRemove.add(i));
                    if (toRemove.size > 0) {
                        cleanName = chars.filter((_, i) => !toRemove.has(i)).join('');
                    }
                });

                const quote2 = (cleanName.match(/'/g) ||[]).length;
                if (quote2 % 2 !== 0) cleanName = cleanName.replace(/"/, '');

                let result = cleanName.trim();
                const lastDot = result.lastIndexOf('.');
                if (lastDot > 0) result = result.substring(0, lastDot);

                let finalResult = result ? result.toLowerCase() : oldName.replace(/\.[^/.]+$/, "").toLowerCase().trim();

                if (strictness === 'loose') {
                    finalResult = finalResult.replace(/[^\u4e00-\u9fa5a-zA-Z0-9]/g, '');
                }

                return finalResult;
            };

            const remainingItems = candidates.filter(i => !assigned.has(i.id));
            const getTypeGroup = (mime) => {
                if (!mime) return 'other';
                if (mime.startsWith('video')) return 'video';
                if (mime.startsWith('image')) return 'image';
                return 'other';
            };

            const typeNameMap = new Map();
            let nameBuildProcessed = 0;
            const nameBuildTotal = remainingItems.length;

            for (const item of remainingItems) {
                const tGroup = getTypeGroup(item.mime_type);
                const cleaned = cleanNameAd(item.name);
                if (cleaned) {
                    const key = tGroup + '|' + cleaned;
                    if (!typeNameMap.has(key)) typeNameMap.set(key,[]);
                    typeNameMap.get(key).push(item);
                }

                nameBuildProcessed++;
                if (nameBuildProcessed % 500 === 0) {
                    if (!isRunningFn()) break;
                    setStageProgress('name', nameBuildProcessed, nameBuildTotal, 0, 0.7);
                    await sleep(0);
                }
            }

            if (!isRunningFn()) return groups;

            const typeEntries = Array.from(typeNameMap.entries());
            const nameTotal = nameBuildTotal + typeEntries.length;

            for (let i = 0; i < typeEntries.length; i++) {
                const [key, items] = typeEntries[i];
                if (items.length > 1) {
                    const sortedForAlgo = [...items].sort((a, b) => parseInt(a.size || 0) - parseInt(b.size || 0));
                    let currentGroup = [sortedForAlgo[0]];
                    const tempGroups =[];

                    for (let j = 1; j < sortedForAlgo.length; j++) {
                        const target = sortedForAlgo[j];
                        const root = currentGroup[0];
                        const rootSize = parseInt(root.size || 0);
                        const targetSize = parseInt(target.size || 0);

                        let isMatch = false;
                        if (rootSize === 0 && targetSize === 0) {
                            isMatch = true;
                        } else if (rootSize > 0 && targetSize > 0) {
                            const sizeDiff = Math.abs(targetSize - rootSize);
                            const maxBase = Math.max(targetSize, rootSize);
                            if ((sizeDiff / maxBase) <= sizeRatioLimit) {
                                isMatch = true;
                            }
                        }

                        if (isMatch) currentGroup.push(target);
                        else {
                            if (currentGroup.length > 1) tempGroups.push(currentGroup);
                            currentGroup = [target];
                        }
                    }
                    if (currentGroup.length > 1) tempGroups.push(currentGroup);

                    tempGroups.forEach(grp => {
                        const ids = grp.map(i => i.id);
                        ids.forEach(id => { assigned.add(id); S.dupReasons.set(id, L.tag_name); });
                        groups.push({ ids: ids, type: L.tag_name });
                    });
                }

                if ((i + 1) % 200 === 0) {
                    if (!isRunningFn()) break;
                    setStageProgress('name', i + 1, typeEntries.length, 0.7, 1);
                    await sleep(0);
                }
            }

            if (!isRunningFn()) return groups;
            setStageProgress('name', 1, 1, 1, 1);
        }

        setDupProgress(100);
        return groups;
    };

    async function deepPreload(currentItems) {
        if (S.scanning) return;

        const folderItems = currentItems.filter(item => item.kind === 'drive#folder');
        if (folderItems.length === 0) return;
        const preloadTasks = folderItems.map(folder => {
            if (S.cache.has(folder.id)) return Promise.resolve();

            if (typeof globalCache !== 'undefined' && globalCache.has(folder.id)) {
                S.cache.set(folder.id, globalCache.get(folder.id));
                return Promise.resolve();
            }

            return apiList(folder.id, 1000)
                .then(files => {
                    S.cache.set(folder.id, files);
                    if (typeof globalCache !== 'undefined') globalCache.set(folder.id, files);
                })
                .catch(e => {
                });
        });

        const MAX_CONCURRENT_PRELOADS = 5;

        let activePromises = [];
        for(let i = 0; i < preloadTasks.length; i++) {
            activePromises.push(preloadTasks[i]);
            if(activePromises.length >= MAX_CONCURRENT_PRELOADS) {
                await Promise.race(activePromises.map(p => p.then(() => 0).catch(() => 0)));
                activePromises = activePromises.filter(p => p.isResolved);
            }
        }

        await Promise.allSettled(activePromises);

        console.log("Deep preload finished.");
    }

    async function load(isHistoryNav = false, forceUpdate = false) {
        if (S.scanning) return;

        const snapshot = {
            trash: S.trashMode,
            share: S.shareMode,
            starred: S.starredMode,
            recent: S.recentMode,
            pathId: S.path[S.path.length - 1]?.id || ''
        };

        const cur = S.path[S.path.length - 1];
        const folderId = cur.id || 'root';
        if (S.clipType === 'move' && S.movingIds.size > 0 && folderId === S.movingSourceId) {
            console.log(`[Cache Guard] Detected active move from this source: ${folderId}. Forcing network sync.`);
            forceUpdate = true;
        }

        let realCacheKey = S.getRealCacheKey(folderId);

        const isAnalyzeSub = S.path.some(p => p.id === 'analyze_root');
        if (isAnalyzeSub) {
            S.analyzeMode = true;
            S.sort = 'size';
            S.dir = 1;
            if (S.strictFolderFirstSnapshot !== null) {
                S.folderFirst = S.strictFolderFirstSnapshot === true;
                if (S.renderFolderFirst) S.renderFolderFirst();
            }
        }

        if (folderId === 'analyze_root') {
            renderCrumb();
            if (UI.scan) UI.scan.style.display = 'none';
            S.items = [...(S.analyzeResultItems || [])];
            S.itemMap.clear();
            S.items.forEach(i => S.itemMap.set(i.id, i));

            setLoad(false);
            refresh();
            updateStat();
            return;
        }

        if (globalDirtyFolders.has(folderId) || (folderId === 'root' && globalDirtyFolders.has(''))) {
            console.log(`[Load] ${folderId} is dirty. Forcing network fetch.`);
            forceUpdate = true;
            globalDirtyFolders.delete(folderId);
            globalDirtyFolders.delete('');
            globalDirtyFolders.delete('root');
        }

        S.clearSelection();

        if (typeof UI !== 'undefined' && UI.vp && !forceUpdate) {
            UI.vp.scrollTop = 0;
        }

        if (UI.win) UI.win.setAttribute('data-cur-pid', folderId);

        activeLoadId++;
        const currentId = activeLoadId;
        let nextToken = null;
        const fetchedIds = new Set();
        let isResuming = false;

        if (S.abortController) {
            S.abortController.abort();
        }
        S.abortController = new AbortController();
        const signal = S.abortController.signal;

        const isInVirtualSearch = S.path.some(p => p.id === 'virtual_search_root');

        if (!isInVirtualSearch) {
            S.search = '';
            if (UI.searchInput) {
                UI.searchInput.value = '';
                if (UI.searchClear) UI.searchClear.style.display = 'none';
            }
        }

        if (cur.id === 'virtual_search_root') {
            renderCrumb();
            if (UI.scan) UI.scan.style.display = 'none';
            setLoad(false);
            refresh();
            return;
        }

        const isInVirtualStack = S.path.some(p => p.id === 'virtual_search_root');
        if (isInVirtualStack) {
            if (UI.chkGlobal) UI.chkGlobal.checked = true;
        }

        if (UI.viewSwitch) {
            const usableViewSwitch = canUseGridView();
            UI.viewSwitch.style.display = usableViewSwitch ? 'inline-flex' : 'none';
            UI.viewSwitch.style.visibility = usableViewSwitch ? '' : 'hidden';
            UI.viewSwitch.style.pointerEvents = usableViewSwitch ? '' : 'none';
        }

        UI.scan.style.display = (S.trashMode || S.shareMode || S.offlineMode) ? 'none' : 'flex';
        UI.btnExit.style.display = 'none';
        if (UI.dupTools) UI.dupTools.style.display = 'none';
        if (UI.dupFilters) UI.dupFilters.style.display = 'none';
        if (UI.offTools) UI.offTools.style.display = S.offlineMode ? 'flex' : 'none';
        if (UI.upTools) UI.upTools.style.display = S.uploadMode ? 'flex' : 'none';
        if (UI.crumb) UI.crumb.style.display = '';
        if (UI.searchInput && UI.searchInput.parentNode) {
            UI.searchInput.parentNode.style.display = S.trashMode ? 'none' : 'flex';
        }
        if (UI.cntFolderFirst) {
            UI.cntFolderFirst.style.display = (S.trashMode || S.dupMode) ? 'none' : 'flex';
        }
        if (UI.btnAnalyze) {
            UI.btnAnalyze.style.display = (S.trashMode || S.shareMode || S.offlineMode) ? 'none' : 'flex';
        }
        if (UI.lblGlobal) {
            UI.lblGlobal.style.display = (S.trashMode || S.shareMode || S.starredMode || S.recentMode || S.historyMode || S.offlineMode || S.uploadMode || S.isFlattened || S.dupMode || S.analyzeMode) ? 'none' : 'flex';
            if (S.trashMode && UI.chkGlobal) {
                UI.chkGlobal.checked = false;
            }
            if (isInVirtualSearch) {
                UI.chkGlobal.checked = true;
            }
        }

        S.dupMode = false; S.lastSelIdx = -1;
        if (!isAnalyzeSub) {
            if (S.analyzeMode && UI.chkSearchPath) UI.chkSearchPath.checked = false;
            S.analyzeMode = false;
        }

        if (UI.btnNewFolder) {
            UI.btnNewFolder.style.display = (S.trashMode || S.shareMode) ? 'none' : 'flex';
        }

        S.isFlattened = false;
        renderCrumb();

        if (folderId === 'root' && !S.preloaded) {
            if (typeof globalCache !== 'undefined' && globalCache.has('root')) {
                S.cache.set('root', globalCache.get('root'));
                S.preloaded = true;
            }
            else if (S.preLoadPromise) {
                let preLoadSuccess = false;
                try {
                    const TIMEOUT_LIMIT = isTurbo ? 1000 : 200;
                    const raceResult = await Promise.race([
                        S.preLoadPromise,
                        new Promise(r => setTimeout(() => r('TIMEOUT'), TIMEOUT_LIMIT))
                    ]);

                    if (globalCache.has('root') || raceResult !== 'TIMEOUT') {
                        S.cache.set('root', globalCache.get('root'));
                        S.preloaded = true;
                        preLoadSuccess = true;
                    }
                } catch(e) {}

                if (!preLoadSuccess) {
                    console.log("[Load] Preload too slow or failed, forcing direct network fetch.");
                    forceUpdate = true;
                }
            } else {
                forceUpdate = true;
            }
        }

        const syncStars = () => {
            for (let k = 0; k < S.items.length; k++) {
                const it = S.items[k];
                if (it.starred || (it.tags && it.tags.some(t => t.name === 'STAR'))) {
                    S.starredSet.add(it.id);
                }
            }
        };

        if (!forceUpdate) {
            let cachedData = null;
            if (S.cache.has(realCacheKey)) {
                cachedData = S.cache.get(realCacheKey);
            }
            else if (typeof globalCache !== 'undefined') {
                let lookupKey = realCacheKey;
                if (realCacheKey === 'root' && globalCache.has('')) lookupKey = '';

                if (globalCache.has(lookupKey)) {
                    cachedData = globalCache.get(lookupKey);
                    S.cache.set(realCacheKey, cachedData);
                }
            }

            if (cachedData) {
                if (cachedData && !Array.isArray(cachedData) && cachedData.items) {
                    S.items = [...cachedData.items];
                    nextToken = cachedData.nextToken;
                    isResuming = !!nextToken;
                    if (isResuming) S.items.forEach(it => fetchedIds.add(it.id));
                } else {
                    S.items = Array.isArray(cachedData) ? [...cachedData] : [];
                    nextToken = null;
                }

                if (S.analyzeMode && S.analyzeMap) {
                    S.items.forEach(item => {
                        if (item.kind === 'drive#folder' && S.analyzeMap.has(item.id)) {
                            item.size = S.analyzeMap.get(item.id).size.toString();
                        }
                    });
                }

                S.itemMap.clear();
                for (let k = 0; k < S.items.length; k++) {
                    S.itemMap.set(S.items[k].id, S.items[k]);
                }

                syncStars();
                refresh();
                updateStat();

                if (S.offlineMode) {
                    const session = globalCache.get('offline_session');
                    if (session && session.nextToken && !session.completed) {
                        console.log(`[Resuming] Cache snapshot rendered. Continuing pagination from ${S.items.length}...`);
                        isResuming = true;
                        S.items.forEach(it => fetchedIds.add(it.id));
                    } else {
                        setLoad(false);
                        return;
                    }
                } else if (S.historyMode) {
                    const session = globalCache.get('history_session');
                    if (session && Array.isArray(session.targetIds) && !session.completed && (session.cursor || 0) < session.targetIds.length) {
                        console.log(`[Resuming] History cache snapshot rendered. Continuing detail fetch from ${session.cursor || 0}/${session.targetIds.length}...`);
                        isResuming = true;
                        nextToken = `history:${session.cursor || 0}`;
                        S.items.forEach(it => fetchedIds.add(it.id));
                    } else if (!nextToken) {
                        setLoad(false);
                        if (window.pkSmartRefreshTrigger) {
                            console.log(`[SWR] Intent detected: Validating ${realCacheKey} in background...`);
                            window.pkSmartRefreshTrigger(true);
                        }
                        return;
                    }
                } else if (!nextToken) {
                    setLoad(false);
                    if (window.pkSmartRefreshTrigger) {
                        console.log(`[SWR] Intent detected: Validating ${realCacheKey} in background...`);
                        window.pkSmartRefreshTrigger(true);
                    }
                    const visibleSubFolders = S.items.filter(f => f.kind === 'drive#folder');
                    for (let i = visibleSubFolders.length - 1; i >= 0; i--) {
                        const sub = visibleSubFolders[i];
                        if (!scannedFolderIds.has(sub.id) && !globalCache.has(sub.id)) {
                            backgroundQueue.push({ id: sub.id, name: sub.name, retryCount: 0 });
                            scannedFolderIds.add(sub.id);
                        }
                    }
                    runBackgroundCrawler();
                    return;
                } else {
                    console.log(`[Resuming] Cache snapshot rendered. Continuing pagination from ${S.items.length}...`);
                }
            }
        }

        if (!nextToken && !isResuming) {
            S.items = [];
            S.display = [];
            S.itemMap.clear();
            refresh();
            setLoad(true, true);
            updateLoadTxt(L.loading_detail);
        }

        isGUISensitive = false;

        const currentHeaders = getHeaders();
        if (!currentHeaders.Authorization || currentHeaders.Authorization.length < 10) {
            if (!isResuming) {
                setLoad(true);
                updateLoadTxt(L.str_waiting_token);
            }
            if (typeof window.pkEnterAuthRecoveryWindow === 'function') window.pkEnterAuthRecoveryWindow('load-missing-token', 5000);
            const initialWait = (typeof window.pkIsAuthRecoveryActive === 'function' && window.pkIsAuthRecoveryActive()) ? 6500 : 5000;
            let isAuthReady = await waitForAuth(initialWait);
            if (!isAuthReady) {
                console.warn("PikPak Master: Auth token wait timeout. Entering recovery recheck before logout.");
                if (typeof window.pkEnterAuthRecoveryWindow === 'function') window.pkEnterAuthRecoveryWindow('load-missing-token-recheck', 5000);
                await sleep(1200);
                isAuthReady = await waitForAuth(5000);
            }
            if (!isAuthReady) {
                console.warn("PikPak Master: Auth token still missing after recovery recheck.");
                const didLogout = await confirmedLogout('load-missing-token-final', 5000, 5200);
                if (didLogout) return;
                setLoad(false);
                if (typeof window.pkMarkAuthRecovered === 'function') window.pkMarkAuthRecovered();
                return;
            }
            if (typeof window.pkMarkAuthRecovered === 'function') window.pkMarkAuthRecovered();
        }

        if (!isResuming && el) {
            el.focus();
        }

        UI.stopBtn.onclick = () => {
            const isAuthSyncMode = (typeof window.pkIsAuthRecoveryActive === 'function' && window.pkIsAuthRecoveryActive()) || (UI.loadTxt && UI.loadTxt.innerText === L.str_waiting_token);

            if (isAuthSyncMode) {
                handleClose();
                window.location.href = `${window.location.origin}/login`;
                return;
            }

            S.abortController.abort();
            if (S.loading && !S.isFlattened && !S.dupMode && !S.analyzeMode && !S.shareMode && !S.offlineMode && S.path.length > 1) {
                const canceledNode = S.path.pop();
                console.log(`[Navigation] Cancelled entry to: ${canceledNode.name}, rolling back path.`);
                renderCrumb();

                const parentNode = S.path[S.path.length - 1];
                const parentKey = S.getRealCacheKey(parentNode.id);
                const cached = (typeof globalCache !== 'undefined') ? globalCache.get(parentKey) : null;
                if (cached) {
                    S.items = Array.isArray(cached) ? [...cached] : (cached.items || []);
                    ensureItemMap();
                    refresh();
                }
            }

            setLoad(false);
            isGUISensitive = false;
        };

        try {
            let pageCount = 0;
            const limit = 500;
            let totalItemsLoaded = S.items.length;

            do {
                if (currentId !== activeLoadId) return;
                if (signal.aborted) throw new DOMException('Aborted', 'AbortError');
                const isStarredRoot = S.starredMode && S.path.length === 1;
                let data = {};
                if (S.offlineMode) {
                    if (pageCount > 0) break;
                    if (!isResuming) {
                        S.items = [];
                        S.itemMap.clear();
                        fetchedIds.clear();
                        totalItemsLoaded = 0;
                    }

                    let session = isResuming ? globalCache.get('offline_session') : { phase: 'active', nextToken: null, completed: false };
                    if (!isResuming) globalCache.set('offline_session', session);

                    const handleBatch = (batchTasks, nextToken, currentPhase) => {
                        if (signal.aborted || currentId !== activeLoadId) return;
                        const uniqueTasks = batchTasks.filter(t => !fetchedIds.has(t.id) && !S.itemMap.has(t.id));
                        if (uniqueTasks.length === 0) return;

                        const newItems = uniqueTasks.map(t => {
                            const ref = t.reference_resource || {};
                            return {
                                id: t.id, kind: 'drive#task',
                                name: ref.name || t.name || t.file_name || 'Untitled Task',
                                size: t.file_size, phase: t.phase, progress: parseInt(t.progress || 0),
                                message: t.message, icon_link: t.icon_link,
                                thumbnail_link: ref.thumbnail_link ? ref.thumbnail_link : t.icon_link,
                                created_time: t.created_time,
                                modified_time: t.updated_time || ref.modified_time || '',
                                file_id: t.file_id || '',
                                source_url: (t.params && t.params.url) ? t.params.url : '',
                                params: Object.assign({}, t.params || {}, ref.params || {}),
                                mime_type: ref.mime_type || '',
                                starred: !!(ref.starred || (ref.tags && ref.tags.some(tg => tg.name === 'STAR')))
                            };
                        });

                        S.items.push(...newItems);
                        newItems.forEach(f => {
                            fetchedIds.add(f.id);
                            S.itemMap.set(f.id, f);
                        });
                        totalItemsLoaded = S.items.length;
                        session.phase = currentPhase;
                        session.nextToken = nextToken;
                        session.completed = false;
                        globalCache.set('offline_session', session);
                        globalCache.set('offline_root', { items: [...S.items], fetchedIds: fetchedIds });

                        S.items.sort((a, b) => new Date(b.created_time || 0) - new Date(a.created_time || 0));
                        if (UI.loader.style.display !== 'none') setLoad(false);
                        refresh();
                        updateStat();
                    };

                    await apiTaskList(500, handleBatch, session, signal);
                    if (signal.aborted || currentId !== activeLoadId) return;
                    const finalSession = { phase: 'done', nextToken: null, completed: true };
                    globalCache.set('offline_session', finalSession);

                    data = { files: [], next_page_token: null };
                    break;
                }
                else if (S.historyMode && S.path.length === 1) {
                    if (pageCount > 0) break;

                    let keys = [];
                    if (typeof GM_listValues !== 'undefined') {
                        keys = GM_listValues();
                    } else {
                        keys = Object.keys(localStorage);
                    }

                    const historyItems = [];
                    const historyMap = new Map();

                    keys.forEach(k => {
                        if (k.startsWith('pk_progress_')) {
                            const id = k.replace('pk_progress_', '');
                            const raw = gmGet(k);
                            let data = { t: 0, d: 0, ts: 0 };

                            if (typeof raw === 'number') {
                                data.t = raw;
                                data.ts = 0;
                            } else if (typeof raw === 'object' && raw !== null) {
                                data = raw;
                            }

                            if (data.t > 1 || data.ts > 0) {
                                historyItems.push({ id, ...data });
                                historyMap.set(id, data);
                            }
                        }
                    });

                    historyItems.sort((a, b) => b.ts - a.ts);

                    const topItems = historyItems.slice(0, 1000);
                    const targetIds = topItems.map(x => x.id);
                    const sourceSig = targetIds.join('|');

                    const fetchDetail = async (id) => {
                        try {
                            const res = await fetch(`https://api-drive.mypikpak.com/drive/v1/files/${id}?thumbnail_size=SIZE_MEDIUM`, { headers: getHeaders(), signal: signal });
                            if (!res.ok) return null;
                            const f = await res.json();
                            if (f && !f.trashed) return f;
                            return null;
                        } catch (e) {
                            return null;
                        }
                    };

                    let historySession = (typeof globalCache !== 'undefined') ? globalCache.get('history_session') : null;
                    const canResumeSession = !!(historySession && historySession.sourceSig === sourceSig && Array.isArray(historySession.targetIds));

                    if (!canResumeSession) {
                        historySession = { sourceSig, targetIds: [...targetIds], cursor: 0, completed: false, updatedAt: Date.now() };
                    } else {
                        historySession.cursor = Math.max(0, Math.min(historySession.cursor || 0, targetIds.length));
                        historySession.completed = !!historySession.completed && historySession.cursor >= targetIds.length;
                        historySession.updatedAt = Date.now();
                    }

                    let historyList = (canResumeSession && Array.isArray(S.items) && S.items.length > 0) ? [...S.items] : [];
                    if (!historyList.length && typeof globalCache !== 'undefined') {
                        const cachedHistory = globalCache.get('history_root');
                        if (cachedHistory && !Array.isArray(cachedHistory) && Array.isArray(cachedHistory.items)) {
                            historyList = [...cachedHistory.items];
                        } else if (Array.isArray(cachedHistory)) {
                            historyList = [...cachedHistory];
                        }
                    }

                    const existingIds = new Set();
                    historyList.forEach(f => {
                        if (f && f.id) existingIds.add(f.id);
                    });

                    const syncHistoryCache = () => {
                        const hasPending = !historySession.completed && historySession.cursor < targetIds.length;
                        const snapshot = { items: [...historyList], nextToken: hasPending ? `history:${historySession.cursor}` : null };
                        S.cache.set('history_root', snapshot);
                        if (typeof globalCache !== 'undefined') {
                            globalCache.set('history_root', snapshot);
                            globalCache.set('history_session', { ...historySession, targetIds: [...historySession.targetIds] });
                        }
                    };

                    const syncHistoryUI = () => {
                        if (signal.aborted || currentId !== activeLoadId) return;
                        S.items = [...historyList];
                        S.itemMap.clear();
                        S.items.forEach(f => S.itemMap.set(f.id, f));
                        if (UI.loader.style.display !== 'none') setLoad(false);
                        refresh();
                        updateStat();
                    };

                    if (targetIds.length === 0) {
                        historySession.cursor = 0;
                        historySession.completed = true;
                        historySession.updatedAt = Date.now();
                        syncHistoryCache();
                        data = { files: [], next_page_token: null };
                        break;
                    }

                    syncHistoryCache();
                    syncHistoryUI();

                    const CONCURRENCY = 6;
                    let cursor = historySession.completed ? targetIds.length : (historySession.cursor || 0);

                    for (let i = cursor; i < targetIds.length; i += CONCURRENCY) {
                        if (signal.aborted || currentId !== activeLoadId) {
                            historySession.cursor = i;
                            historySession.completed = false;
                            historySession.updatedAt = Date.now();
                            syncHistoryCache();
                            return;
                        }

                        const chunk = targetIds.slice(i, i + CONCURRENCY);
                        const results = await Promise.all(chunk.map(id => fetchDetail(id)));
                        let appended = 0;

                        results.forEach(rawF => {
                            if (!rawF) return;
                            const f = minifyFile(rawF);
                            const local = historyMap.get(f.id) || {};
                            f._history_progress = local.t || 0;
                            const cloudDur = f.params?.duration || 0;
                            f._history_duration = cloudDur || local.d || 0;
                            f._history_ts = local.ts || 0;

                            if (existingIds.has(f.id)) {
                                const idx = historyList.findIndex(x => x.id === f.id);
                                if (idx !== -1) historyList[idx] = f;
                            } else {
                                existingIds.add(f.id);
                                historyList.push(f);
                                appended++;
                            }
                        });

                        historyList.sort((a, b) => (b._history_ts || 0) - (a._history_ts || 0));
                        historySession.cursor = Math.min(targetIds.length, i + chunk.length);
                        historySession.completed = historySession.cursor >= targetIds.length;
                        historySession.updatedAt = Date.now();

                        syncHistoryCache();
                        syncHistoryUI();

                        if (appended === 0 || historySession.cursor % 24 === 0) await sleep(10);
                    }

                    if (signal.aborted || currentId !== activeLoadId) return;

                    historySession.cursor = targetIds.length;
                    historySession.completed = true;
                    historySession.updatedAt = Date.now();

                    syncHistoryCache();
                    syncHistoryUI();

                    if (window.pkSmartRefreshTrigger) {
                        console.log(`[SWR] History cache completed. Validating history_root in background...`);
                        window.pkSmartRefreshTrigger(true);
                    }

                    data = { files: [], next_page_token: null };
                    break;
                }
                else if (S.recentMode && S.path.length === 1) {
                    const filters = encodeURIComponent('{"phase":{"in":"PHASE_TYPE_COMPLETE"}}');
                    const url = `https://api-drive.mypikpak.com/drive/v1/tasks?limit=${limit}&filters=${filters}&thumbnail_size=SIZE_MEDIUM&with_reference_resource=true&_t=${Date.now()}${nextToken ? `&page_token=${nextToken}` : ''}`;
                    const res = await fetch(url, { headers: getHeaders(), signal: signal });
                    if (!res.ok) throw new Error("Recent API " + res.status);
                    const json = await res.json();

                    const validTasks = (json.tasks || []).filter(t =>
                        t.phase === 'PHASE_TYPE_COMPLETE' &&
                        (t.type === 'offline' || t.type === 'upload') &&
                        t.file_id !== ""
                    );

                    data = {
                        files: validTasks.map(t => {
                            const ref = t.reference_resource || {};
                            const mime = ref.mime_type || '';
                            const isFolder = (ref.kind === 'drive#folder') ||
                                           (mime === 'application/x-directory') ||
                                           (t.icon_link && t.icon_link.includes('folder'));

                            return {
                                id: t.file_id || t.id,
                                kind: isFolder ? 'drive#folder' : 'drive#file',
                                name: ref.name || t.file_name || t.name,
                                size: t.file_size,
                                thumbnail_link: ref.thumbnail_link || t.icon_link || '',
                                icon_link: t.icon_link || '',
                                web_content_link: t.file_id ? null : null,
                                created_time: t.created_time,
                                modified_time: t.updated_time || ref.modified_time || t.created_time,
                                mime_type: mime,
                                parent_id: '',
                                starred: !!(ref.starred || (ref.tags && ref.tags.some(tg => tg.name === 'STAR'))),
                                trashed: false,
                                params: Object.assign({}, t.params || {}, ref.params || {}),
                                _sourceTaskId: t.id
                            };
                        }).filter(f => f.id && !fetchedIds.has(f.id)),
                        next_page_token: json.next_page_token
                    };
                }
                else if (S.shareMode) {
                    if (pageCount > 0) break;
                    const shares = await apiShareList();
                    data = { files: shares, next_page_token: null };
                }
                else if (S.uploadMode) {
                    if (pageCount > 0) break;

                    try {
                        const phases = "PHASE_TYPE_UNKNOW,PHASE_TYPE_PENDING,PHASE_TYPE_RUNNING,PHASE_TYPE_PAUSED,PHASE_TYPE_ERROR";
                        const filters = encodeURIComponent(JSON.stringify({ "phase": { "in": phases } }));
                        const url = `https://api-drive.mypikpak.com/drive/v1/tasks?type=upload&limit=100&filters=${filters}&_t=${Date.now()}`;
                        const res = await fetch(url, { headers: getHeaders(), signal: signal });

                        if (res.ok) {
                            const cloudData = await res.json();
                            const cloudTasks = cloudData.tasks || [];

                            const cloudIds = new Set(cloudTasks.map(ct => ct.id));
                            const cloudFileIds = new Set(cloudTasks.map(ct => ct.file_id).filter(Boolean));

                            S.uploadTasks = S.uploadTasks.filter(lt => {
                                if (lt.status === 'DONE' || (!lt.file_id && !lt._uploadId)) return true;

                                if ((lt.name === 'upload' || lt.name === 'Ghost Task') && !lt.file && lt.file_id) {
                                    console.log(`[Reconcile] Auto-cleaning orphaned local ghost file: ${lt.file_id}`);
                                    fetch('https://api-drive.mypikpak.com/drive/v1/files:batchDelete', {
                                        method: 'POST', headers: getHeaders(), body: JSON.stringify({ ids: [lt.file_id] })
                                    }).catch(()=>{});
                                    if (S.upMng) S.upMng.removeTask(lt.id);
                                    return false;
                                }

                                const existsInCloud = cloudIds.has(lt.id) || (lt.file_id && cloudFileIds.has(lt.file_id)) || (lt._sourceTaskId && cloudIds.has(lt._sourceTaskId));
                                if (!existsInCloud) {
                                    console.log(`[Reconcile] 发现死任务，云端已清理，同步清理本地库: ${lt.name}`);
                                    if (S.upMng) S.upMng.removeTask(lt.id);
                                    return false;
                                }
                                return true;
                            });

                            cloudTasks.forEach(ct => {
                                const existsLocally = S.uploadTasks.some(lt => lt.id === ct.id || lt.file_id === ct.file_id || lt._sourceTaskId === ct.id);
                                if (!existsLocally && ct.file_id) {
                                    const ref = ct.reference_resource || {};
                                    const taskName = ref.name || ct.name || ct.file_name || 'Ghost Task';

                                    if (taskName === 'upload' || taskName === 'Ghost Task') {
                                        console.log(`[Reconcile] Auto-cleaning orphaned cloud ghost file: ${ct.file_id}`);
                                        fetch('https://api-drive.mypikpak.com/drive/v1/files:batchDelete', {
                                            method: 'POST', headers: getHeaders(), body: JSON.stringify({ ids: [ct.file_id] })
                                        }).catch(()=>{});
                                        return;
                                    }

                                    const ghostTask = {
                                        id: 'up_' + Date.now() + '_' + Math.random().toString(36).substr(2),
                                        _sourceTaskId: ct.id,
                                        kind: 'pk#upload',
                                        file: null,
                                        name: taskName,
                                        size: ct.file_size,
                                        parentId: '',
                                        status: 'PAUSED',
                                        progress: parseInt(ct.progress || 0),
                                        speed: 0,
                                        message: L.msg_ghost_task_resume,
                                        file_id: ct.file_id,
                                        hash: (ct.params && ct.params.hash) || '',
                                        _xhr: null,
                                        _lastCalcTime: 0,
                                        _lastCalcLoaded: 0,
                                        _lastUiTime: 0,
                                        icon_link: ct.icon_link || '',
                                        thumbnail_link: ct.thumbnail_link || ''
                                    };
                                    S.uploadTasks.push(ghostTask);
                                    if (S.upMng) S.upMng.saveTask(ghostTask);
                                }
                            });
                        }
                    } catch (e) {
                        console.warn("[Upload] Failed to sync cloud upload tasks:", e);
                    }

                    data = { files: [...S.uploadTasks], next_page_token: null };
                }
                else {
                    const isStarredRoot = S.starredMode && S.path.length === 1;
                    const filterObj = { "trashed": { "eq": S.trashMode } };

                    if (isStarredRoot) {
                        filterObj.trashed = { "eq": false };
                        filterObj.system_tag = { "in": "STAR" };
                    } else if (!S.trashMode) {
                        filterObj.phase = { "eq": "PHASE_TYPE_COMPLETE" };
                    }

                    const filters = `&filters=${encodeURIComponent(JSON.stringify(filterObj))}`;
                    const targetParentId = (S.trashMode || isStarredRoot) ? '*' : (cur.id || '');
                    const url = `https://api-drive.mypikpak.com/drive/v1/files?thumbnail_size=SIZE_MEDIUM&limit=${limit}${filters}&parent_id=${targetParentId}&_t=${Date.now()}${nextToken ? `&page_token=${nextToken}` : ''}`;
                    const res = await fetch(url, { headers: getHeaders(), signal: signal, priority: 'high' });
                    if (currentId !== activeLoadId) return;

                    if (!res.ok) {
                        if (res.status === 429) { await sleep(1000); continue; }
                        throw new Error("API " + res.status);
                    }

                    data = await res.json();
                }

                if (data.files && data.files.length >= 0) {
                    if (currentId !== activeLoadId) return;
                    const currentPathId = S.path[S.path.length - 1]?.id || '';
                    if (S.trashMode !== snapshot.trash ||
                        S.shareMode !== snapshot.share ||
                        S.starredMode !== snapshot.starred ||
                        S.recentMode !== snapshot.recent ||
                        currentPathId !== snapshot.pathId) {
                        console.warn("[Load Guard] Context Drift Detected. Aborting render.");
                        return;
                    }
                    const hasDirtyData = data.files.some(f => f && (S.trashMode ? !f.trashed : f.trashed));

                    if (!S.shareMode && !S.offlineMode && hasDirtyData) {
                        console.warn(L.log_dirty_data);
                        return;
                    }

                    let validFiles = [];
                    if (S.shareMode || S.offlineMode || S.uploadMode) {
                        validFiles = data.files;
                    } else {
                        validFiles = data.files.map(f => minifyFile(f, false));
                    }

                    const newUniqueFiles = validFiles.filter(f => !fetchedIds.has(f.id));

                    if (S.analyzeMode && S.analyzeMap) {
                        newUniqueFiles.forEach(item => {
                            if (item.kind === 'drive#folder' && S.analyzeMap.has(item.id)) {
                                item.size = S.analyzeMap.get(item.id).size.toString();
                            }
                        });
                    }

                    if (newUniqueFiles.length > 0 || (pageCount === 0 && !isResuming)) {
                        if (pageCount === 0 && !isResuming) {
                            S.items = newUniqueFiles;
                            S.itemMap.clear();
                        } else {
                            S.items.push(...newUniqueFiles);
                        }

                        newUniqueFiles.forEach(f => {
                            fetchedIds.add(f.id);
                            S.itemMap.set(f.id, f);
                        });

                        totalItemsLoaded = S.items.length;

                        if (S.recentMode && S.path.length === 1) {
                            S.recentResultItems = [...S.items];
                        }

                        if (S.offlineMode) {
                            S.cache.set(realCacheKey, [...S.items]);
                            if (typeof globalCache !== 'undefined') globalCache.set(realCacheKey, [...S.items]);
                        } else {
                            const tempCache = { items: [...S.items], nextToken: data.next_page_token };
                            S.cache.set(realCacheKey, tempCache);
                            if (typeof globalCache !== 'undefined') globalCache.set(realCacheKey, tempCache);
                        }

                        if (pageCount === 0 || UI.loader.style.display !== 'none') {
                            refresh();

                            if (UI.loader.style.display !== 'none') {
                                setLoad(false);
                            }

                            if (S.items.length === 0) {
                                UI.in.innerHTML = '';
                                renderVisible();
                            }
                        } else {
                            if (pageCount % 4 === 0) refresh();
                        }
                    }
                }

                nextToken = data.next_page_token;
                pageCount++;

                if (currentId === activeLoadId) {
                    UI.stat.textContent = `${L.status_ready.replace('{n}', totalItemsLoaded)} (${L.loading_fetch.replace('{n}', pageCount)})`;
                }

                if (nextToken) await sleep(0);

            } while (nextToken && currentId === activeLoadId);

            if (currentId === activeLoadId) {
                if (S.trashMode && S.items.length === 0 && pageCount > 1) {
                } else {
                    S.cache.set(realCacheKey, [...S.items]);
                }
                if (typeof globalCache !== 'undefined') globalCache.set(realCacheKey, [...S.items]);

                if (window.pkSmartRefreshTrigger) {
                    window.pkSmartRefreshTrigger();
                }

                indexParents(folderId, cur.name, S.items);

                S.itemMap.clear();
                for (let k = 0; k < S.items.length; k++) S.itemMap.set(S.items[k].id, S.items[k]);

                syncStars();

                if (folderId === 'root' && !S.preloaded) S.preloaded = true;

                const visibleSubFolders = S.items.filter(f => f.kind === 'drive#folder');
                for (let i = visibleSubFolders.length - 1; i >= 0; i--) {
                    const sub = visibleSubFolders[i];
                    if (!scannedFolderIds.has(sub.id) && !globalCache.has(sub.id)) {
                        backgroundQueue.push({ id: sub.id, name: sub.name, retryCount: 0 });
                        scannedFolderIds.add(sub.id);
                    }
                }

                isGUISensitive = false;
                runBackgroundCrawler();

                refresh();
                updateStat();
                setLoad(false);
                S._networkRetryCount = 0;
            }

        } catch (e) {
            isGUISensitive = false;
            if (currentId === activeLoadId) {
                if (!S._isRetrying) setLoad(false);

                if (e.name === 'AbortError') {
                    console.log("Load aborted by user.");
                } else {
                    console.error("API Error encountered:", e);
                    if (typeof resetHeaderCache === 'function') resetHeaderCache();

                    const isAuthError = e.message.includes('401') || e.message.includes('403') || e.message.includes('400') || e.message.includes('CAPTCHA') || e.message.includes('AUTH_RETRY');
                    const isNotFoundError = e.message.includes('404');
                    const isNetworkError = e.name === 'TypeError' || e.message.includes('Failed to fetch') || e.message.includes('NetworkError');

                    if (!S._isRetrying || isNetworkError) {
                        S._isRetrying = true;
                        setLoad(true);

                        if (isAuthError) {
                            resetHeaderCache();
                            updateLoadTxt(L.str_waiting_token);
                            if (typeof window.pkEnterAuthRecoveryWindow === 'function') window.pkEnterAuthRecoveryWindow('auth-error', 5000);
                            await sleep(1000);

                            try {
                                let h = getHeaders();
                                if (!h.Authorization || h.Authorization.length < 10) {
                                    const isAuthReady = await waitForAuth(5000);
                                    if (!isAuthReady) {
                                        if (typeof window.pkEnterAuthRecoveryWindow === 'function') window.pkEnterAuthRecoveryWindow('auth-error-missing-token-recheck', 5000);
                                        await sleep(1200);
                                        const isAuthReadyAgain = await waitForAuth(5000);
                                        if (!isAuthReadyAgain) {
                                            const didLogout = await confirmedLogout('auth-error-missing-token-recheck-final', 5000, 5200);
                                            if (didLogout) return;
                                            S._isRetrying = false;
                                            setLoad(false);
                                            return;
                                        }
                                    }
                                    h = getHeaders();
                                }

                                let testRes = await fetch('https://api-drive.mypikpak.com/drive/v1/about', { headers: h });
                                if (!testRes.ok) {
                                    console.warn("[Auth] Token rejected by server, entering recovery recheck before logout.");
                                    if (typeof window.pkEnterAuthRecoveryWindow === 'function') window.pkEnterAuthRecoveryWindow('auth-error-about-recheck', 5000);
                                    await sleep(1200);
                                    const isAuthReady = await waitForAuth(5000);
                                    if (!isAuthReady) {
                                        const didLogout = await confirmedLogout('auth-error-about-first-reject', 5000, 5200);
                                        if (didLogout) return;
                                        h = getHeaders();
                                    } else {
                                        h = getHeaders();
                                    }

                                    testRes = await fetch('https://api-drive.mypikpak.com/drive/v1/about', { headers: h });
                                    if (!testRes.ok) {
                                        console.warn("[Auth] Token still rejected by server after recovery recheck.");
                                        const didLogout = await confirmedLogout('auth-error-about-second-reject', 5000, 5200);
                                        if (didLogout) return;
                                        h = getHeaders();
                                        testRes = await fetch('https://api-drive.mypikpak.com/drive/v1/about', { headers: h });
                                        if (!testRes.ok) {
                                            console.warn("[Auth] Token still unavailable after confirmed logout recheck, keeping current view.");
                                            S._isRetrying = false;
                                            setLoad(false);
                                            return;
                                        }
                                    }
                                }
                                if (typeof window.pkMarkAuthRecovered === 'function') window.pkMarkAuthRecovered();

                                const testData = await testRes.json();
                                if (testData.error) {
                                    console.warn("[Auth] API returned error inside response.");
                                    const didLogout = await confirmedLogout('auth-error-about-payload-error', 5000, 5200);
                                    if (didLogout) return;
                                    S._isRetrying = false;
                                    setLoad(false);
                                    return;
                                }

                                if (!testData.sub || testData.sub === '') {
                                    console.warn("[Auth] Token valid but no user info.");
                                    const didLogout = await confirmedLogout('auth-error-about-empty-sub', 5000, 5200);
                                    if (didLogout) return;
                                    S._isRetrying = false;
                                    setLoad(false);
                                    return;
                                }
                            } catch(testErr) {
                                console.warn("[Auth] Token verification failed (CORS/Network/Parse):", testErr);
                                const didLogout = await confirmedLogout('auth-error-about-verify-exception', 5000, 5200);
                                if (didLogout) return;
                                S._isRetrying = false;
                                setLoad(false);
                                return;
                            }

                            console.log("[Auth] Auth state recovered, resuming load...");
                            load(false, true).finally(() => { S._isRetrying = false; });
                            return;
                        }

                        if (isNotFoundError) {
                            if (S.path.length > 1 || S.path[0].id !== '') {
                                S.path = [{ id: '', name: L.btn_nav_home }];
                                load(false, true).finally(() => { S._isRetrying = false; });
                                return;
                            }
                        }

                        if (isNetworkError) {
                            S._networkRetryCount = (S._networkRetryCount || 0) + 1;
                            if (S._networkRetryCount > 5) {
                                console.error("[Network] Max retries reached.");
                                const didLogout = await confirmedLogout('network-retry-exhausted', 5000, 5200);
                                if (didLogout) return;
                                S._isRetrying = false;
                                S._networkRetryCount = 0;
                                setLoad(false);
                                showAlert(L.msg_network_unstable);
                                return;
                            }

                            const delay = 1000 + Math.random() * 2000;
                            const retryMsg = L.msg_network_unstable;
                            updateLoadTxt(retryMsg);
                            console.warn(`[Network] Connection drop detected. Retrying in ${Math.round(delay)}ms... (${S._networkRetryCount}/5)`);

                            await sleep(delay);
                            load(false, true).finally(() => {
                            });
                            return;
                        }

                        S._isRetrying = false;
                    }

                    if (S.items.length === 0) {
                        setLoad(false);
                        showAlert(L.str_failed + " " + e.message);
                    }
                }
            }
        }
    }

    async function refresh() {
        S.sortId++;
        const currentReqId = S.sortId;

        const prevViewMode = S.viewMode === 'grid' ? 'grid' : 'list';
        const nextCur = S.path[S.path.length - 1] || { id: '' };
        const nextIsStandardView = !S.trashMode && !S.shareMode && !S.offlineMode && !S.starredMode && !S.recentMode && !S.historyMode && !S.isFlattened && !S.dupMode && !S.analyzeMode && (!nextCur.id.startsWith('virtual_') || nextCur.id === 'virtual_search_root');
        const groupedGridExitSyncPending = !!S._groupedGridExitSyncPending;

        if (nextIsStandardView) {
            const nextFolderId = nextCur.id || 'root';
            const nextViewMode = (typeof resolvePreferredViewMode === 'function')
            ? resolvePreferredViewMode(nextFolderId)
            : (gmGet('pk_file_view_mode', 'grid') === 'list' ? 'list' : 'grid');

            if (prevViewMode !== nextViewMode || (groupedGridExitSyncPending && nextViewMode === 'grid')) {
                beginFolderViewSync();
            }
            S._groupedGridExitSyncPending = false;
            S.viewMode = nextViewMode;
        } else {
            S._groupedGridExitSyncPending = false;
            endFolderViewSync();
        }

        renderCrumb();

        if (!S.dupMode) S.dupItemMap = null;

        const isStrictVirtual = S.isFlattened || S.dupMode || S.analyzeMode;
        const cur = S.path[S.path.length - 1];

        S.syncNavContextState();

        if (!isStrictVirtual) {
            restoreFolderFirstAfterStrictMode();
        }

        const isInSearchContext = S.path.some(p => p.id === 'virtual_search_root');
        const shouldHideHeavyOps = isStrictVirtual || isInSearchContext || S.offlineMode || S.uploadMode;
        if (UI.btnFolderFirst) {
            const isAnalyzeRoot = S.analyzeMode && cur.id === 'analyze_root';
            const isAnalyzeSub = S.analyzeMode && cur.id !== 'analyze_root';
            const shouldHideFF = S.isFlattened || S.dupMode || isAnalyzeRoot;
            if (UI.btnFolderFirst) {
                UI.btnFolderFirst.style.display = shouldHideFF ? 'none' : 'flex';
                if (isAnalyzeSub) S.renderFolderFirst();
            }
        }

        if (UI.btnAnalyze) {
            UI.btnAnalyze.style.display = (shouldHideHeavyOps || S.trashMode || S.shareMode || S.starredMode || S.recentMode || S.historyMode) ? 'none' : 'flex';
        }

        if (UI.btnExport) {
            UI.btnExport.style.display = (shouldHideHeavyOps || S.trashMode || S.shareMode || S.starredMode || S.recentMode || S.historyMode) ? 'none' : 'flex';
        }

        if (UI.scan) {
            UI.scan.style.display = (shouldHideHeavyOps || S.trashMode || S.shareMode || S.starredMode || S.recentMode || S.historyMode) ? 'none' : 'flex';
        }

        if (UI.btnExit) {
            UI.btnExit.style.display = isStrictVirtual ? 'flex' : 'none';
        }

        if (UI.lblSearchPath) {
            const isAnalyzeRoot = S.analyzeMode && cur.id === 'analyze_root';
            const showAnalyzeGroupTools = isAnalyzeRoot && !S.search && S.analyzeSimGroups;
            const isAnalyzeDupView = S.analyzeMode && S.analyzeSimGroups;
            UI.lblSearchPath.style.display = (S.dupMode || S.isFlattened || isAnalyzeRoot) ? 'flex' : 'none';
            if (UI.btnAnaSelect) UI.btnAnaSelect.style.display = showAnalyzeGroupTools ? 'flex' : 'none';
            if (UI.btnAnaSort) UI.btnAnaSort.style.display = showAnalyzeGroupTools ? 'flex' : 'none';
            if (UI.vp) UI.vp.style.overflowX = (S.dupMode || isAnalyzeDupView) ? 'hidden' : '';
        }

        if (UI.filterBar) {
            if (S.isFlattened && !S.dupMode) {
                UI.filterBar.style.display = 'flex';
                if (S.filterState.active) {
                    UI.filterBtn.style.display = 'none';
                    UI.filterActiveUI.style.display = 'flex';
                    if (typeof renderActiveFilterUI === 'function') renderActiveFilterUI();
                } else {
                    UI.filterBtn.style.display = 'flex';
                    UI.filterActiveUI.style.display = 'none';
                }
            } else {
                UI.filterBar.style.display = 'none';
            }
        }

        if (UI.cntFolderFirst) {  }

        const isStarredRoot = S.starredMode && S.path.length === 1;
        const isRecentRoot = S.recentMode && S.path.length === 1;

        if (UI.btnNewFolder) {
            const isNewFolderBlocked = S.isFlattened || S.dupMode || S.shareMode || S.offlineMode || S.uploadMode || S.historyMode || isStarredRoot || isRecentRoot || cur.id === 'analyze_root' || cur.id === 'virtual_search_root';
            UI.btnNewFolder.style.display = isNewFolderBlocked ? 'none' : (S.trashMode ? 'none' : 'flex');
        }

        if (UI.btnPaste) {
            const isPasteBlocked = S.isFlattened || S.dupMode || S.shareMode || S.offlineMode || S.uploadMode || S.historyMode || isStarredRoot || isRecentRoot || cur.id === 'analyze_root' || cur.id === 'virtual_search_root';
            UI.btnPaste.style.display = isPasteBlocked ? 'none' : (S.trashMode ? 'none' : 'inline-flex');
        }

        const isInVirtualSearch = S.path.some(p => p.id === 'virtual_search_root');
        const isInsideSearchResult = isInVirtualSearch && cur.id !== 'virtual_search_root';

        let listToProcess = [];

        if (S.search && !S.dupMode && !isInsideSearchResult) {
            const q = S.search.toLowerCase();
            const includePath = UI.chkSearchPath && UI.chkSearchPath.checked;

            if (S.analyzeMode && cur.id === 'analyze_root' && S.analyzeSimGroups) {
                const newDisplay = [];
                S.analyzeSimGroups.forEach((g, gIdx) => {
                    const groupItems = g.ids.map(id => S.itemMap.get(id)).filter(Boolean);

                    const isGroupHit = g.type.toLowerCase().includes(q) || groupItems.some(it => {
                        const nameMatch = it.name.toLowerCase().includes(q);
                        let pathMatch = false;
                        if (includePath && it._pathStr) {
                            const homeText = L.btn_nav_home;
                            const parentPath = (it._pathStr === homeText || it._pathStr.startsWith(homeText + '/')) ? it._pathStr : (homeText + '/' + it._pathStr);
                            const fullItemPath = parentPath.endsWith('/') ? (parentPath + it.name) : (parentPath + '/' + it.name);
                            pathMatch = fullItemPath.toLowerCase().includes(q);
                        }
                        return nameMatch || pathMatch;
                    });

                    if (isGroupHit) {
                        newDisplay.push({
                            id: `grp_${gIdx}`,
                            isHeader: true,
                            name: g.type,
                            count: g.ids.length,
                            type: g.type || L.str_group
                        });

                        groupItems.sort((a, b) => parseInt(b.size || 0) - parseInt(a.size || 0));
                        groupItems.forEach(it => {
                            if (it.name.toLowerCase().includes(q)) {
                                const name = it.name;
                                const idx = name.toLowerCase().indexOf(q);
                                const len = q.length;
                                const start = Math.max(0, idx - 15);
                                const end = Math.min(name.length, idx + len + 30);
                                let pre = start > 0 ? "..." : "";
                                let suf = end < name.length ? "..." : "";
                                it._hlNameHTML = `${pre}${esc(name.substring(start, idx))}<b style="color:var(--pk-match-fg); background:var(--pk-match-bg); border-radius:2px; padding:0 2px;">${esc(name.substring(idx, idx + len))}</b>${esc(name.substring(idx + len, end))}${suf}`;
                            } else {
                                delete it._hlNameHTML;
                            }
                            newDisplay.push(it);
                        });
                    }
                });
                S.display = newDisplay;
            }
            else if (UI.chkGlobal && UI.chkGlobal.checked && cur.id === 'virtual_search_root') {
                let results = [];
                const seenIds = new Set();

                let realMyPackId = '';
                if (typeof globalCache !== 'undefined') {
                    const rootFiles = globalCache.get('') || globalCache.get('root');
                    if (rootFiles) {
                        const realObj = rootFiles.find(f => f.kind === 'drive#folder' && f.name === CONF.SYSTEM_FOLDER_NAME);
                        if (realObj) realMyPackId = realObj.id;
                    }
                }

                if (CONF.SYSTEM_FOLDER_NAME.toLowerCase().includes(q)) {
                    const realObj = (globalCache.get('') || globalCache.get('root'))?.find(f => f.name === CONF.SYSTEM_FOLDER_NAME);
                    const sysRoot = {
                        id: realMyPackId,
                        kind: 'drive#folder',
                        name: CONF.SYSTEM_FOLDER_NAME,
                        parent_id: '',
                        size: 0,
                        modified_time: '',
                        starred: false,
                        tags: [],
                        _lineage: [],
                        _isSystemRoot: true,
                        icon_link: realObj ? realObj.icon_link : '',
                        thumbnail_link: realObj ? realObj.icon_link : ''
                    };
                    results.push(sysRoot);

                    if (realMyPackId) seenIds.add(realMyPackId);
                }

                if (typeof globalCache !== 'undefined') {
                    for (const [key, files] of globalCache) {
                        if (currentReqId !== S.sortId) return;
                        if (!Array.isArray(files)) continue;
                        if (key && (key.endsWith('_root') || key === 'root_trashed')) continue;
                        let parentLineage = (typeof globalLineageMap !== 'undefined') ? globalLineageMap.get(key) : undefined;

                        if (!parentLineage) {
                            if (key === '' || key === 'root') parentLineage = [];
                            else parentLineage = null;
                        }

                        for (let i = 0, len = files.length; i < len; i++) {
                            const f = files[i];

                            if (seenIds.has(f.id)) continue;

                            if (f && f.name && f.name.toLowerCase().includes(q)) {
                                let itemLineage = parentLineage;
                                const fObj = { ...f, _lineage: itemLineage };
                                const fName = fObj.name;
                                const fIdx = fName.toLowerCase().indexOf(q);
                                if (fIdx !== -1) {
                                    const start = Math.max(0, fIdx - 15);
                                    const end = Math.min(fName.length, fIdx + q.length + 30);
                                    let pre = start > 0 ? "..." : "";
                                    let suf = end < fName.length ? "..." : "";
                                    const b = fName.substring(start, fIdx);
                                    const m = fName.substring(fIdx, fIdx + q.length);
                                    const a = fName.substring(fIdx + q.length, end);
                                    fObj._hlNameHTML = `${pre}${esc(b)}<b style="color:var(--pk-match-fg); background:var(--pk-match-bg); border-radius:2px; padding:0 2px;">${esc(m)}</b>${esc(a)}${suf}`;
                                }
                                results.push(fObj);
                                seenIds.add(f.id);
                            }
                        }
                    }
                }
                S.display = results;
                S.items = results;
                S.lastGlobalResults = [...results];
                ensureItemMap();
            }
            else if (isInVirtualSearch && cur.id !== 'virtual_search_root') {
                let ancestors = (typeof globalLineageMap !== 'undefined' && globalLineageMap.get(cur.id)) || cur._lineage || [];
                const currentFolderAsAncestor = [...ancestors, { id: cur.id, name: cur.name }];

                S.display = S.items.map(item => {
                    const itemLineage = (item.kind === 'drive#folder' && typeof globalLineageMap !== 'undefined' && globalLineageMap.has(item.id))
                        ? globalLineageMap.get(item.id) : currentFolderAsAncestor;

                    return { ...item, _lineage: itemLineage };
                });
            }
            else {
                const query = S.search.toLowerCase();
                const includePath = UI.chkSearchPath && UI.chkSearchPath.checked;
                const isPathMode = S.isFlattened || (S.analyzeMode && cur.id === 'analyze_root');
                const rootPathStr = S.path.map(p => p.name).join('/');

                let filtered = S.items.filter(i => {
                    if (!i) return false;
                    if (i.name && i.name.toLowerCase().includes(query)) return true;
                    if (includePath && isPathMode) {
                        let pStr = "";
                        if (S.analyzeMode) {
                            pStr = i._pathStr || L.btn_nav_home;
                        } else if (i._lineage) {
                            let cleanLineage = i._lineage.map(x => x.name).filter(n => n && n !== 'Root' && n !== L.str_root_dir_cn);
                            if (cleanLineage[0] !== L.btn_nav_home) cleanLineage.unshift(L.btn_nav_home);
                            pStr = cleanLineage.join('/');
                        }
                        const fullItemPath = pStr.endsWith('/') ? (pStr + i.name) : (pStr + '/' + i.name);
                        if (fullItemPath.toLowerCase().includes(query)) return true;
                    }
                    return false;
                });

                if (S.offlineMode) {
                    const cfg = S.offlineFilters;
                    filtered = filtered.filter(i => {
                        const p = i.phase;
                        if (p === 'PHASE_TYPE_COMPLETE') return cfg.complete;
                        if (['PHASE_TYPE_RUNNING', 'PHASE_TYPE_PENDING', 'PHASE_TYPE_PAUSED'].includes(p)) return cfg.running;
                        return cfg.failed;
                    });
                }

                filtered.forEach(item => {
                    const name = item.name;
                    const idx = name.toLowerCase().indexOf(query);
                    if (idx !== -1) {
                        const len = query.length;
                        const start = Math.max(0, idx - 15);
                        const end = Math.min(name.length, idx + len + 30);
                        let prefix = start > 0 ? "..." : "";
                        let suffix = end < name.length ? "..." : "";
                        const partBefore = name.substring(start, idx);
                        const partMatch = name.substring(idx, idx + len);
                        const partAfter = name.substring(idx + len, end);

                        item._hlNameHTML = `${prefix}${esc(partBefore)}<b style="color:var(--pk-match-fg); background:var(--pk-match-bg); border-radius:2px; padding:0 2px;">${esc(partMatch)}</b>${esc(partAfter)}${suffix}`;
                    }
                });
                S.display = filtered;
            }
        }
        else {
            if (S.path.length > 0 && S.path[0].id === 'starred') {
                S.display = S.items.filter(i => (i.starred || (i.tags && i.tags.some(t => t.name === 'STAR'))) && !i.trashed);
            }
            else if (S.isFlattened && S.filterState && S.filterState.active && S.filterState.cat !== 'all') {
                const cat = S.filterState.cat;
                const ext = S.filterState.ext;
                const fExts = {
                    video: ['mp4','mkv','avi','mov','wmv','flv','webm','ts','m4v','3gp','mpg','mpeg','rm','rmvb','asf','vob','dat','divx','f4v','m2ts','mts','tp','trp','ogv','mpe','m2v','m3u8'],
                    audio: ['mp3','wav','flac','aac','ogg','wma','ape','m4a','amr','opus','m4b','alac','aiff','mid','midi','ra','dts','ac3','dsf','dff'],
                    image: ['jpg','jpeg','png','gif','bmp','webp','svg','tif','tiff','ico','heic','heif','raw','cr2','nef','arw','dng','orf','avif','psd','ai','eps','jfif','jpe'],
                    document: ['txt','html','pdf','pptx','chm','docx','xlsx','htm','doc','dwg','mdb','ppt','xls','rtf','odt','ods','odp','epub','mobi','azw3','djvu','cbz','cbr','md','log','csv','xml','json'],
                    software: ['apk','exe','ipa','dmg','rpm','deb','msi','pkg','xapk','apks','aab','jar','bin','sh','bat','cmd'],
                    archive: ['zip','rar','7z','tar','gz','iso','cab','bz2','xz','tgz','wim','esd','img','zst','lzh'],
                    torrent: ['torrent']
                };

                let matchExts =[];
                if (cat === 'other') {
                    const definedExts = new Set([...fExts.video, ...fExts.audio, ...fExts.image, ...fExts.document, ...fExts.software, ...fExts.archive, ...fExts.torrent]);
                    S.display = S.items.filter(i => {
                        if (i.kind === 'drive#folder') return false;
                        const n = (i.name || '').toLowerCase();
                        const e = n.split('.').pop();
                        return !definedExts.has(e);
                    });
                } else {
                    if (ext === 'all') {
                        matchExts = fExts[cat] ||[];
                    } else {
                        matchExts = [ext];
                    }
                    S.display = S.items.filter(i => {
                        if (i.kind === 'drive#folder') return false;
                        const n = (i.name || '').toLowerCase();
                        const e = n.split('.').pop();
                        return matchExts.includes(e);
                    });
                }
            }
            else if (S.offlineMode) {
                const cfg = S.offlineFilters;
                S.display = S.items.filter(i => {
                    const p = i.phase;
                    if (p === 'PHASE_TYPE_COMPLETE') return cfg.complete;
                    if (['PHASE_TYPE_RUNNING', 'PHASE_TYPE_PENDING', 'PHASE_TYPE_PAUSED'].includes(p)) return cfg.running;
                    return cfg.failed;
                });
            }
            else if (S.uploadMode) {
                const cfg = S.uploadFilters;
                S.display = S.items.filter(i => {
                    const s = i.status;
                    if (s === 'DONE') return cfg.complete;
                    if (s === 'PAUSED' || s === 'ERROR') return cfg.paused;
                    return cfg.running;
                });
            }
            else if (S.analyzeMode && cur.id === 'analyze_root' && S.analyzeSimGroups) {
                const newDisplay =[];
                S.analyzeSimGroups.forEach((g, gIdx) => {
                    newDisplay.push({
                        id: `grp_${gIdx}`,
                        isHeader: true,
                        name: g.type,
                        count: g.ids.length,
                        type: g.type || L.str_group
                    });
                    const groupItems = g.ids.map(id => S.itemMap.get(id)).filter(Boolean);
                    groupItems.sort((a, b) => {
                        const pA = a._pathStr || "";
                        const pB = b._pathStr || "";
                        if (pA.length !== pB.length) return pA.length - pB.length;
                        return pA.localeCompare(pB);
                    });

                    let lastPathInGroup = null;
                    groupItems.forEach(it => {
                        const currentPath = it._pathStr || "";
                        if (currentPath === lastPathInGroup && currentPath !== "") {
                            it._isSameFolder = true;
                        } else {
                            it._isSameFolder = false;
                            lastPathInGroup = currentPath;
                        }
                        newDisplay.push(it);
                    });
                });
                S.display = newDisplay;
            }
            else {
                S.display = [...S.items];
            }
        }

        if (currentReqId !== S.sortId) return;

        const visibleSet = new Set(S.display.map(i => i.id));
        if (S.selMode === 'all') {
            const nextExcluded = new Set();
            for (const id of S.selEx) {
                if (visibleSet.has(id)) nextExcluded.add(id);
            }
            S.selEx = nextExcluded;
        } else {
            const nextSelected = S.getSelectedIds().filter(id => visibleSet.has(id));
            S.setExplicitSelection(nextSelected);
        }

        S.dupReasons.clear();
        S.dupGroups.clear();
        if (!S.dupMode) S.pinnedDupPath = null;

        const isStandardView = !S.trashMode && !S.shareMode && !S.offlineMode && !S.starredMode && !S.recentMode && !S.historyMode && !S.isFlattened && !S.dupMode && !S.analyzeMode && (!cur.id.startsWith('virtual_') || cur.id === 'virtual_search_root');
        const isSortIndep = gmGet('pk_sort_independent', false);
        const folderFirstViewKey = S.starredMode ? '__starred__' : (S.recentMode ? '__recent__' : '');

        if (isStandardView) {
            const folderId = cur.id || 'root';

            if (S._viewAppliedForId !== folderId) {
                S.viewMode = resolvePreferredViewMode(folderId);
                S._viewAppliedForId = folderId;
            }

            if (S._sortAppliedForId !== folderId) {
                if (isSortIndep) {
                    try {
                        const prefStore = JSON.parse(gmGet('pk_folder_sort_prefs', '{}'));
                        if (prefStore[folderId]) {
                            S.sort = prefStore[folderId].sort;
                            S.dir = prefStore[folderId].dir;
                        } else {
                            S.sort = 'modified_time';
                            S.dir = 1;
                        }
                    } catch(e) {
                        S.sort = 'modified_time';
                        S.dir = 1;
                    }
                } else {
                    const globalPref = JSON.parse(gmGet('pk_global_sort_pref', '{"sort":"modified_time","dir":1}'));
                    S.sort = globalPref.sort;
                    S.dir = globalPref.dir;
                }

                try {
                    const globalPref = JSON.parse(gmGet('pk_global_sort_pref', '{"sort":"modified_time","dir":1}'));
                    if (globalPref.folderFirst !== undefined) S.folderFirst = globalPref.folderFirst === true;
                    else S.folderFirst = gmGet('pk_folder_first', false);
                } catch(e) {
                    S.folderFirst = gmGet('pk_folder_first', false);
                }

                S._sortAppliedForId = folderId;
                S._comicApplied = false;

                if (S.renderFolderFirst) S.renderFolderFirst();
            }

            if (gmGet('pk_comic_mode', true) && !S._comicApplied) {

                const hasSubFolders = S.items.some(i => i.kind === 'drive#folder');

                if (!hasSubFolders && S.items.length > 0) {
                    const isAllImages = S.items.every(i => i.mime_type && i.mime_type.startsWith('image/'));
                    const isAllVideos = S.items.every(i => i.mime_type && i.mime_type.startsWith('video/'));

                    if (isAllImages || isAllVideos) {
                        S.sort = 'name';
                        S.dir = 1;
                    }
                    S._comicApplied = true;
                }
            }
        } else if (folderFirstViewKey) {
            if (S._sortAppliedForId !== folderFirstViewKey) {
                try {
                    const globalPref = JSON.parse(gmGet('pk_global_sort_pref', '{"sort":"modified_time","dir":1}'));
                    if (globalPref.folderFirst !== undefined) S.folderFirst = globalPref.folderFirst === true;
                    else S.folderFirst = gmGet('pk_folder_first', false);
                } catch(e) {
                    S.folderFirst = gmGet('pk_folder_first', false);
                }

                S._sortAppliedForId = folderFirstViewKey;

                if (S.renderFolderFirst) S.renderFolderFirst();
            }
        }

        const isAnalyzeRoot = S.analyzeMode && cur.id === 'analyze_root';
        const isGlobalSearchRoot = cur.id === 'virtual_search_root' && UI.chkGlobal && UI.chkGlobal.checked;
        const supportsPathSort = S.dupMode || isAnalyzeRoot || S.isFlattened || isGlobalSearchRoot;

        if (S.sort === 'path' && !supportsPathSort) {
            S.sort = 'modified_time';
            S.dir = 1;
        }

        if (S.dupMode) {
            setLoad(true);
            S.dupRunning = true;
            UI.stopBtn.onclick = () => { S.dupRunning = false; };
            updateLoadTxt(L.loading_dup.replace('{p}', 0));
            await sleep(20);

            const cfg = S.dupConfig || { video: true, image: false, other: false };
            let candidates = S.display.filter(i => {
                if (!i.mime_type) return false;
                const isVideo = i.mime_type.startsWith('video');
                const isImage = i.mime_type.startsWith('image');
                const isOther = !isVideo && !isImage;
                if (isVideo && cfg.video) return true;
                if (isImage && cfg.image) return true;
                if (isOther && cfg.other) return true;
                return false;
            });

            const groups = await computeDuplicateGroups(candidates, cfg, () => S.dupRunning);

            groups.sort((a, b) => {
                const getPriority = (t) => { if (t === L.tag_hash) return 3; if (t === L.tag_sim) return 2; if (t === L.tag_name) return 1; return 0; };
                const pA = getPriority(a.type); const pB = getPriority(b.type);
                if (pA !== pB) return pB - pA;
                return b.ids.length - a.ids.length;
            });

            const dupItemMap = new Map();
            for (let i = 0, len = S.items.length; i < len; i++) {
                dupItemMap.set(S.items[i].id, S.items[i]);
            }
            S.dupItemMap = dupItemMap;

            const dupBuckets = { all: [], hash: [], sim: [], name: [] };
            for (let i = 0, len = groups.length; i < len; i++) {
                const g = groups[i];
                const validIds = [];
                for (let k = 0, idsLen = g.ids.length; k < idsLen; k++) {
                    const id = g.ids[k];
                    if (dupItemMap.has(id)) validIds.push(id);
                }
                if (validIds.length <= 1) continue;

                const normalizedGroup = { ...g, ids: validIds };
                dupBuckets.all.push(normalizedGroup);

                if (g.type === L.tag_hash) dupBuckets.hash.push(normalizedGroup);
                else if (g.type === L.tag_sim) dupBuckets.sim.push(normalizedGroup);
                else if (g.type === L.tag_name) dupBuckets.name.push(normalizedGroup);
            }

            if (dupBuckets.all.length === 0) {
                S.dupRunning = false;
                setLoad(false);
                showToast(L.msg_dup_none);
                if (UI.btnExit) UI.btnExit.click();
                return;
            }

            S.dupBuckets = dupBuckets;
            S.dupRawGroups = dupBuckets.all;

            if (UI.chkName) UI.chkName.checked = true;
            if (UI.chkSim) UI.chkSim.checked = true;
            if (UI.chkHash) UI.chkHash.checked = true;

            const applyDupSelection = () => {
                const targetPath = UI.selDupFolder.value;
                const invertChk = document.getElementById('pk-dup-invert');

                if (!targetPath || targetPath === "__RESET__") {
                    S.pinnedDupPath = null;
                    S.sel.clear();

                    if (invertChk) {
                        invertChk.checked = false;
                        invertChk.disabled = true;
                        invertChk.parentNode.style.opacity = '0.5';
                    }

                    renderDupView();
                    updateStat();
                    if(targetPath) UI.selDupFolder.value = "";
                    return;
                }

                if (invertChk) {
                    invertChk.disabled = false;
                    invertChk.parentNode.style.opacity = '1';
                }
                const isInvert = invertChk ? invertChk.checked : false;

                S.pinnedDupPath = targetPath;
                const itemMap = new Map();
                for(const item of S.items) itemMap.set(item.id, item);

                S.sel.clear();

                S.dupRawGroups.forEach(g => {
                    const filesInTarget = [];
                    const filesInOther = [];
                    g.ids.forEach(id => {
                        const item = itemMap.get(id);
                        if (item) {
                            let path = "";
                            if (item._cachedPath !== undefined) {
                                path = item._cachedPath;
                            } else {
                                if (item._lineage && item._lineage.length > 0) {
                                    path = item._lineage.map(p => p.name).join('/');
                                } else {
                                    const curFolder = S.path[S.path.length - 1];
                                    path = curFolder ? curFolder.name : L.current_dir;
                                }
                                item._cachedPath = path;
                            }

                            if (path === targetPath) filesInTarget.push(item);
                            else filesInOther.push(item);
                        }
                    });

                    if (filesInOther.length > 0) {
                        if (isInvert) {
                            filesInOther.forEach(f => S.sel.add(f.id));
                        } else {
                            filesInTarget.forEach(f => S.sel.add(f.id));
                        }
                    } else if (filesInTarget.length > 0) {
                        if (!isInvert) {
                            filesInTarget.forEach(f => S.sel.add(f.id));
                        }
                    }
                });

                renderDupView();
                updateStat();

                if (S._dupFolderPickedScrollTop) {
                    S._dupFolderPickedScrollTop = false;
                    if (S._dupFolderPickedTopRaf) cancelAnimationFrame(S._dupFolderPickedTopRaf);
                    S._dupFolderPickedTopRaf = requestAnimationFrame(() => {
                        S._dupFolderPickedTopRaf = 0;
                        if (UI.vp && UI.vp.scrollTop !== 0) UI.vp.scrollTop = 0;
                    });
                }
            };

            UI.selDupFolder.onchange = applyDupSelection;

            setTimeout(() => {
                const invertChk = document.getElementById('pk-dup-invert');
                if (invertChk) {
                    invertChk.onchange = () => {
                        if (UI.selDupFolder.value && UI.selDupFolder.value !== "__RESET__") {
                            applyDupSelection();
                        }
                    };
                }

                const smartBtn = document.getElementById('pk-dup-smart-btn');
                if (smartBtn) {
                    smartBtn.addEventListener('click', () => {
                        if (S.pinnedDupPath) {
                            S.pinnedDupPath = null;
                            UI.selDupFolder.value = "";

                            if (invertChk) {
                                invertChk.checked = false;
                                invertChk.disabled = true;
                                invertChk.parentNode.style.opacity = '0.5';
                            }

                            renderDupView();
                        }
                    }, { capture: true });
                }
            }, 0);

            S.dupRunning = false;
            setLoad(false);
            if (UI.dupTools) UI.dupTools.style.display = 'flex';
            if (UI.dupFilters) {
                UI.dupFilters.style.display = 'flex';
                const simChkWrapper = UI.dupFilters.querySelector('#pk-chk-sim')?.closest('.pk-dup-chk');
                if (simChkWrapper) {
                    simChkWrapper.style.display = S.dupConfig.video ? 'flex' : 'none';
                }
            }
            renderDupView();

        } else {
            if (UI.dupTools) UI.dupTools.style.display = 'none';
            if (UI.dupFilters) UI.dupFilters.style.display = 'none';
            if (S.uploadMode || (S.analyzeMode && S.analyzeSimGroups && cur.id === 'analyze_root')) {
                renderList();
                if (gmGet('pk_keep_pos', true) && S.latestChildId) {
                    const targetIdx = S.display.findIndex(x => x.id === S.latestChildId);
                    if (targetIdx !== -1) {
                        const targetTop = getItemScrollTopByIndex(targetIdx);
                        UI.vp.scrollTop = Math.max(0, targetTop - (UI.vp.clientHeight / 2) + (CONF.rowHeight / 2));
                        S.clearSelection();
                        S.activeId = S.latestChildId;
                        renderVisible();
                    }
                    S.latestChildId = null;
                }
                updateStat();
                return;
            }

            if (S.display.length > 5000 && !S.offlineMode) {
                setLoad(true);
                updateLoadTxt(L.str_sorting);
                await sleep(10);
            }

            const sortedList = await new Promise(resolve => {

                const isRoot = S.path.length === 1 && S.path[0].id === '';

                const proxyList = new Array(S.display.length);
                const len = S.display.length;
                for (let i = 0; i < len; i++) {
                    const item = S.display[i];

                    const isStarred = S.starredSet.has(item.id) || !!(item.starred || (item.tags && item.tags.some(t => t.name === 'STAR')));

                    const isMyPack = item._isSystemRoot || (!S.trashMode && item.kind === 'drive#folder' && (
                        (item.id === '' || item.id === 'root') ||
                        (isRoot && item.name === CONF.SYSTEM_FOLDER_NAME)
                    ));

                    const ext = item.name.split('.').pop().toLowerCase();
                    const isVid = ['mp4', 'mkv', 'avi', 'mov', 'wmv', 'flv', 'webm', 'ts', 'm4v', '3gp'].includes(ext);
                    const isImg = ['jpg', 'jpeg', 'png', 'gif', 'bmp', 'svg', 'webp', 'tiff', 'ico'].includes(ext);
                    const mimeGroup = isVid ? 1 : (isImg ? 2 : 3);

                    let finalDur = S.durationMap.get(item.id) || parseFloat(item.params?.duration || 0);
                    if (finalDur > 0 && item.params) item.params.duration = finalDur;

                    let pathStr = "";
                    if (S.analyzeMode) pathStr = item._pathStr || "";
                    else if (item._lineage) pathStr = item._lineage.map(x=>x.name).join('/');

                    proxyList[i] = {
                        i: i,
                        n: item.name,
                        k: item.kind === 'drive#folder' ? 1 : 0,
                        s: item.size || 0,
                        t: item.modified_time,
                        d: finalDur,
                        st: isStarred ? 1 : 0,
                        mp: isMyPack ? 1 : 0,
                        m: mimeGroup,
                        p: pathStr,
                        ct: item.created_time,
                        pt: item._history_ts || 0,
                        pg: finalDur > 0 ? Math.min(100, Math.max(0, ((item._history_progress || 0) / finalDur) * 100)) : -1,
                        v: parseInt(item.view_count || 0),
                        sc: parseInt(item.save_count || 0),
                        ss: item.share_status || 'OK',
                        ed: parseInt(item.expiration_days || -1),
                        lc: parseInt(item.limit_count || 0)
                    };
                }

                const workerCode = `
                    self.onmessage = function(e) {
                        const { proxy, sort, dir, reqId, folderFirst, locale } = e.data;

                        const parseSize = n => parseInt(n || 0);
                        const parseTime = t => t ? new Date(t).getTime() : 0;

                        const collator = new Intl.Collator(locale, {
                            numeric: true,
                            sensitivity: 'base',
                            caseFirst: 'lower'
                        });

                        const getCharWeight = (str) => {
                            if (!str) return 0;
                            const c = str.charAt(0);

                            if (/[0-9]/.test(c)) return 20;

                            if (/[\\u4e00-\\u9fa5]/.test(c)) return 30;

                            if (/[a-zA-Z]/.test(c)) return 40;

                            return 10;
                        };

                        const compareNames = (nameA, nameB) => {
                            const rankA = getCharWeight(nameA);
                            const rankB = getCharWeight(nameB);

                            if (rankA !== rankB) {
                                return rankA - rankB;
                            }

                            return collator.compare(nameA, nameB);
                        };

                        proxy.sort((a, b) => {
                            if (a.mp !== b.mp) return b.mp - a.mp;

                            if (folderFirst && a.k !== b.k) {
                                return b.k - a.k;
                            }

                            if (sort === 'view_count' || sort === 'save_count') {
                                const valA = sort === 'view_count' ? (a.v || 0) : (a.sc || 0);
                                const valB = sort === 'view_count' ? (b.v || 0) : (b.sc || 0);
                                if (valA !== valB) return (valB - valA) * dir;
                                return compareNames(a.n, b.n) * dir;
                            }

                            if (sort === 'share_status') {
                                const getStatusRank = (item) => {
                                    if (item.lc > 0 && item.sc >= item.lc) return 5;
                                    if (item.ss === 'DELETED') return 4;
                                    if (item.ss === 'EXPIRED') return 3;
                                    if (item.ed === -1) return 1;
                                    return 2;
                                };
                                const rA = getStatusRank(a), rB = getStatusRank(b);
                                if (rA !== rB) return (rA - rB) * dir;
                                return compareNames(a.n, b.n) * dir;
                            }

                            if (sort === 'modified_time') {
                                const tA = parseTime(a.t), tB = parseTime(b.t);
                                if (tA !== tB) return (tB - tA) * dir;
                                return compareNames(a.n, b.n) * dir;
                            }

                            if (sort === 'created_time') {
                                const tA = parseTime(a.ct), tB = parseTime(b.ct);
                                if (tA !== tB) return (tB - tA) * dir;
                                return compareNames(a.n, b.n) * dir;
                            }

                            if (sort === 'progress') {
                                const pctA = typeof a.pg === 'number' ? a.pg : -1;
                                const pctB = typeof b.pg === 'number' ? b.pg : -1;
                                if (pctA !== pctB) return (pctB - pctA) * dir;
                                return compareNames(a.n, b.n) * dir;
                            }

                            if (sort === 'play_time') {
                                if (a.pt !== b.pt) return (b.pt - a.pt) * dir;
                                return compareNames(a.n, b.n) * dir;
                            }

                            if (sort === 'path') {
                                const pathCmp = compareNames(a.p, b.p);
                                if (pathCmp !== 0) return pathCmp * dir;
                                return compareNames(a.n, b.n) * dir;
                            }

                            if (sort === 'size') {
                                if (a.k !== b.k) return folderFirst ? (b.k - a.k) : (a.k - b.k);
                                const sizeA = parseSize(a.s), sizeB = parseSize(b.s);
                                if (sizeA !== sizeB) return (sizeB - sizeA) * dir;
                                return compareNames(a.n, b.n) * dir;
                            }

                            if (sort === 'duration') {
                                if (a.k !== b.k) return folderFirst ? (b.k - a.k) : (a.k - b.k);

                                if (a.k) return compareNames(a.n, b.n) * dir;

                                const hasDurA = a.d > 0;
                                const hasDurB = b.d > 0;

                                if (hasDurA !== hasDurB) return hasDurA ? -1 : 1;

                                if (hasDurA) {
                                    if (a.d !== b.d) return (b.d - a.d) * dir;
                                    return compareNames(a.n, b.n) * dir;
                                }

                                const isVidA = (a.m === 1);
                                const isVidB = (b.m === 1);

                                if (isVidA !== isVidB) return isVidA ? -1 : 1;

                                if (isVidA) {
                                    return compareNames(a.n, b.n);
                                } else {
                                    const getExt = s => { const i = s.lastIndexOf('.'); return i > 0 ? s.slice(i).toLowerCase() : ''; };
                                    const extA = getExt(a.n);
                                    const extB = getExt(b.n);

                                    const extCmp = compareNames(extA, extB);
                                    if (extCmp !== 0) {
                                        return extCmp * dir;
                                    }

                                    return compareNames(a.n, b.n) * dir;
                                }
                            }

                            if (sort === 'starred') {
                                if (a.st !== b.st) return b.st - a.st;
                                return (parseTime(b.t) - parseTime(a.t)) * dir;
                            }

                            return compareNames(a.n, b.n) * dir;
                        });

                        const sortedIndices = new Uint32Array(proxy.length);
                        for (let i = 0; i < proxy.length; i++) sortedIndices[i] = proxy[i].i;
                        self.postMessage({ indices: sortedIndices, reqId: reqId }, [sortedIndices.buffer]);
                    };
                `;
                const blob = new Blob([workerCode], { type: 'application/javascript' });
                const workerUrl = URL.createObjectURL(blob);
                const sortWorker = new Worker(workerUrl);

                sortWorker.onmessage = (e) => {
                    const { indices, reqId } = e.data;
                    URL.revokeObjectURL(workerUrl);
                    sortWorker.terminate();
                    if (reqId === S.sortId) {
                        resolve(Array.from(indices).map(idx => S.display[idx]));
                    } else resolve(null);
                };
                const sortLocale = ({'zh':'zh-CN','tc':'zh-TW','ja':'ja','ko':'ko','en':'en','id':'id','ms':'ms'})[getLang()] || 'en';
                sortWorker.postMessage({ proxy: proxyList, sort: S.sort, dir: S.dir, reqId: currentReqId, folderFirst: S.folderFirst, locale: sortLocale });
            });

            if (S.display.length > 5000 && !S.offlineMode) setLoad(false);
            if (sortedList === null) return;
            S.display = sortedList;
        }

        if (currentReqId !== S.sortId) return;

        const currentIds = new Set(S.display.map(i => i.id));
        if (S.selMode === 'all') {
            const nextExcluded = new Set();
            for (const id of S.selEx) {
                if (currentIds.has(id)) nextExcluded.add(id);
            }
            S.selEx = nextExcluded;
        } else {
            const nextSelected = S.getSelectedIds().filter(id => currentIds.has(id));
            S.setExplicitSelection(nextSelected);
        }

        renderList();

        if (gmGet('pk_keep_pos', true) && S.latestChildId) {
            const targetIdx = S.display.findIndex(x => x.id === S.latestChildId);
            if (targetIdx !== -1) {
                const rowTop = getItemScrollTopByIndex(targetIdx);
                const vpHeight = UI.vp.clientHeight;
                const centerScroll = Math.max(0, rowTop - (vpHeight / 2) + (CONF.rowHeight / 2));
                UI.vp.scrollTop = centerScroll;
                S.activeId = S.latestChildId;
                S.clearSelection();
                S.activeId = S.latestChildId;
                renderVisible();
            }
            S.latestChildId = null;
        }

        updateStat();
    }

    const getCommonPathPrefix = (pathStrings) => {
        if (!pathStrings || pathStrings.length < 2) return "";

        const splitPaths = pathStrings.map(p => p.split('/'));
        const firstPath = splitPaths[0];
        let commonLen = 0;

        for (let i = 0; i < firstPath.length; i++) {
            const segment = firstPath[i];
            const isAllSame = splitPaths.every(p => p[i] === segment);
            if (isAllSame) {
                commonLen++;
            } else {
                break;
            }
        }

        if (commonLen <= 1) return "";

        return firstPath.slice(0, commonLen).join('/');
    };

    function renderDupView() {
        if (!S.dupMode) return;
        const L = getStrings();
        const showName = UI.chkName.checked;
        const showSim = UI.chkSim.checked;
        const showHash = UI.chkHash.checked;
        const newDisplay = [];

        if (!S.dupItemMap || S.dupItemMap.size !== S.items.length) {
            S.dupItemMap = new Map();
            const len = S.items.length;
            for (let i = 0; i < len; i++) {
                S.dupItemMap.set(S.items[i].id, S.items[i]);
            }
        }
        const itemMap = S.dupItemMap;

        const getCachedPath = (item) => {
            if (item._cachedPath !== undefined) return item._cachedPath;
            let pStr = "";
            if (item._lineage && item._lineage.length > 0) {
                pStr = item._lineage.map(node => node.name).join('/');
            } else {
                const curFolder = S.path[S.path.length - 1];
                pStr = curFolder ? curFolder.name : L.current_dir;
            }
            item._cachedPath = pStr;
            return pStr;
        };

        S.dupGroups.clear();

        let dupBuckets = S.dupBuckets;
        if (!dupBuckets || !Array.isArray(dupBuckets.all)) {
            dupBuckets = { all: Array.isArray(S.dupRawGroups) ? S.dupRawGroups : [], hash: [], sim: [], name: [] };
            const allLen = dupBuckets.all.length;
            for (let i = 0; i < allLen; i++) {
                const g = dupBuckets.all[i];
                if (g.type === L.tag_hash) dupBuckets.hash.push(g);
                else if (g.type === L.tag_sim) dupBuckets.sim.push(g);
                else if (g.type === L.tag_name) dupBuckets.name.push(g);
            }
            S.dupBuckets = dupBuckets;
        }

        if (dupBuckets.all.length === 0 && !S.dupRunning) {
            if (UI.btnExit) {
                UI.btnExit.click();
            } else {
                S.dupMode = false;
                S.isFlattened = false;
                refresh();
            }
            return;
        }

        let groupsToRender = [];
        if (showHash) groupsToRender.push(...dupBuckets.hash);
        if (showSim) groupsToRender.push(...dupBuckets.sim);
        if (showName) groupsToRender.push(...dupBuckets.name);

        if (S.pinnedDupPath) {
            const pinnedGroups = [];
            const normalGroups = [];

            for (const g of groupsToRender) {
                let isPinned = false;
                for (const id of g.ids) {
                    const item = itemMap.get(id);
                    if (item) {
                        const path = getCachedPath(item);
                        if (path === S.pinnedDupPath) {
                            isPinned = true;
                            break;
                        }
                    }
                }
                if (isPinned) pinnedGroups.push(g);
                else normalGroups.push(g);
            }
            groupsToRender = [...pinnedGroups, ...normalGroups];
        }

        const dynamicFolderStats = new Map();
        const groupsLen = groupsToRender.length;

        const searchKey = S.search ? S.search.toLowerCase().trim() : null;
        const includePath = S.search && UI.chkSearchPath ? UI.chkSearchPath.checked : false;

        for (let gIdx = 0; gIdx < groupsLen; gIdx++) {
            const g = groupsToRender[gIdx];

            if (g.type === L.tag_name && !showName) continue;
            if (g.type === L.tag_sim && !showSim) continue;
            if (g.type === L.tag_hash && !showHash) continue;

            const ids = g.ids;
            const idsLen = ids.length;

            for (let k = 0; k < idsLen; k++) {
                S.dupGroups.set(ids[k], gIdx);
            }

            const groupItems = [];
            const groupPaths = [];

            for (let k = 0; k < idsLen; k++) {
                const item = itemMap.get(ids[k]);
                if (item) {
                    groupItems.push(item);
                    groupPaths.push(getCachedPath(item));
                }
            }

            if (searchKey) {
                const isMatch = groupItems.some((item, idx) => {
                    const nameHit = item.name.toLowerCase().includes(searchKey);
                    let pathHit = false;
                    if (includePath) {
                        const rawPath = groupPaths[idx] || "";
                        const homeText = L.btn_nav_home;
                        const parentPath = (rawPath === homeText || rawPath.startsWith(homeText + '/')) ? rawPath : (homeText + '/' + rawPath);
                        const fullItemPath = parentPath.endsWith('/') ? (parentPath + (item.name || "")) : (parentPath + '/' + (item.name || ""));
                        pathHit = fullItemPath.toLowerCase().includes(searchKey);
                    }
                    return nameHit || pathHit;
                });

                if (!isMatch) continue;
            }
            const pathsLen = groupPaths.length;
            for (let p = 0; p < pathsLen; p++) {
                const pStr = groupPaths[p];
                dynamicFolderStats.set(pStr, (dynamicFolderStats.get(pStr) || 0) + 1);
            }

            const firstItem = itemMap.get(ids[0]);
            let featureStr = "";

            if (firstItem) {
                if (g.type === L.tag_hash) {
                    featureStr = `[ ${fmtSize(firstItem.size)} ] `;
                } else if (g.type === L.tag_sim) {
                    const dur = firstItem.params?.duration || 0;
                    featureStr = `[ ${dur > 0 ? fmtDur(dur) : '--:--'} ] `;
                } else if (g.type === L.tag_name) {
                    featureStr = `[ ${L.tag_name_short} ] `;
                }
            }

            const baseName = firstItem ? (g.type === L.tag_name ? firstItem.name.replace(/\.[^/.]+$/, "") : firstItem.name) : `${L.str_group} ${gIdx}`;

            const countStr = `${idsLen} ${L.str_items}`;
            const smartTitle = `${countStr} | ${featureStr}${baseName}`;

            newDisplay.push({
                id: `grp_${gIdx}`,
                isHeader: true,
                name: smartTitle,
                count: idsLen,
                type: g.type || L.str_group,
                groupIds: ids.slice()
            });

            const selectedDupPath = S.pinnedDupPath || "";

            const compareDupGroupData = (a, b) => {
                const op = S.groupSortOp || 'path';
                const dir = S.groupSortDir || 1;
                let res = 0;

                if (op === 'time') {
                    res = new Date(b.it.modified_time) - new Date(a.it.modified_time);
                } else if (op === 'size') {
                    const sa = BigInt(a.it.size || 0), sb = BigInt(b.it.size || 0);
                    res = sa < sb ? 1 : (sa > sb ? -1 : 0);
                } else if (op === 'path') {
                    if (a.path.length !== b.path.length) res = a.path.length - b.path.length;
                    else res = a.path.localeCompare(b.path);
                } else if (op === 'name') {
                    res = a.it.name.localeCompare(b.it.name);
                }

                return res * dir;
            };

            const sortDupGroupChunk = arr => arr.slice().sort(compareDupGroupData);

            const groupData = groupItems.map((it, idx) => ({
                it,
                path: groupPaths[idx]
            }));

            let sortedGroupData;

            if (selectedDupPath) {
                const groupA = [];
                const groupB = [];

                for (let i = 0; i < groupData.length; i++) {
                    const row = groupData[i];
                    if (row.path === selectedDupPath) groupA.push(row);
                    else groupB.push(row);
                }

                if (groupA.length > 0) {
                    sortedGroupData = sortDupGroupChunk(groupA).concat(sortDupGroupChunk(groupB));
                } else {
                    sortedGroupData = sortDupGroupChunk(groupData);
                }
            } else {
                sortedGroupData = sortDupGroupChunk(groupData);
            }

            let lastFullPath = null;

            for (let idx = 0; idx < sortedGroupData.length; idx++) {
                const { it: item, path: fullPath } = sortedGroupData[idx];

                item._dupFullPath = fullPath;
                if (idx > 0 && fullPath === lastFullPath) {
                    item._isSameFolder = true;
                }
                else {
                    item._isSameFolder = false;
                }

                lastFullPath = fullPath;
                newDisplay.push(item);
            }
        }

        const dupFolderWrap = document.getElementById('pk-dup-folder-sel-wrap');
        if (dupFolderWrap) {
            dupFolderWrap.style.width = "220px";
            dupFolderWrap.style.flexShrink = "0";
        }
        UI.selDupFolder.style.width = "220px";
        UI.selDupFolder.style.flexShrink = "0";
        const currentSelection = UI.selDupFolder.value;
        const invertChk = document.getElementById('pk-dup-invert');
        const invertLabel = invertChk ? invertChk.parentNode : null;

        if (dynamicFolderStats.size <= 1) {
            if (dupFolderWrap) dupFolderWrap.style.display = 'none';
            UI.selDupFolder.style.display = 'none';
            if (invertLabel) invertLabel.style.display = 'none';
        } else {
            if (dupFolderWrap) dupFolderWrap.style.display = 'inline-flex';
            UI.selDupFolder.style.display = 'inline-block';
            if (invertLabel) invertLabel.style.display = 'inline-flex';
        }

        let dropdownHtml = `<option value="" disabled selected style="display:none">${L.lbl_dup_select_folder}</option>`;

        if (dynamicFolderStats.size > 0) {
            dropdownHtml += `<option value="__RESET__" style="font-weight:bold;color:var(--pk-pri);">${L.lbl_dup_reset}</option>`;
        }

        const truncateMiddle = (str, len = 30) => {
            if (!str || str.length <= len * 2 + 3) return str;
            return str.substring(0, len) + ' ... ' + str.substring(str.length - len);
        };

        const sortLocale = ({'zh':'zh-CN','tc':'zh-TW','ja':'ja','ko':'ko','en':'en','id':'id','ms':'ms'})[getLang()] || 'en';
        const collator = new Intl.Collator(sortLocale, { numeric: true });

        const sortedFolders = Array.from(dynamicFolderStats.entries())
            .sort((a, b) => {
                const arrA = a[0].split('/');
                const arrB = b[0].split('/');
                const len = Math.min(arrA.length, arrB.length);
                for (let i = 0; i < len; i++) {
                    const cmp = collator.compare(arrA[i], arrB[i]);
                    if (cmp !== 0) return cmp;
                }
                return arrA.length - arrB.length;
            });

        const optionsArr = sortedFolders.map(([path, count]) => {
            return `<option value="${esc(path)}" title="${esc(path)}">${esc(truncateMiddle(path, 35))} ${L.fmt_dup_count.replace('{n}', count)}</option>`;
        });

        dropdownHtml += optionsArr.join('');
        UI.selDupFolder.innerHTML = dropdownHtml;

        if (currentSelection && dynamicFolderStats.has(currentSelection)) {
            UI.selDupFolder.value = currentSelection;
        } else if (currentSelection === "__RESET__") {
            UI.selDupFolder.value = "__RESET__";
        } else {
            if (S.pinnedDupPath && !dynamicFolderStats.has(S.pinnedDupPath)) {
                S.pinnedDupPath = null;
            }
            UI.selDupFolder.value = "";
        }

        syncDupFolderButtonText();

        S.display = newDisplay;

        const visibleIds = new Set(newDisplay.map(d => d.id));
        for(let id of S.sel) {
            if (!visibleIds.has(id)) S.sel.delete(id);
        }

        if (UI.chkAll) UI.chkAll.checked = false;

        renderList();
        updateStat();
    }

    function renderList() {
        syncLayoutMetrics();
        UI.win.classList.toggle('pk-grid-view', isGridView());
        renderViewSwitch();
        if (isGridView()) {
            const gridLayout = getGridLayout();
            S._gridLayoutKey = getGridLayoutKey();
            if (isGroupedGridView()) {
                const dupGridMeta = getGroupedGridMeta(true);
                UI.in.style.height = `${Math.max(0, dupGridMeta ? dupGridMeta.totalHeight : 0)}px`;
            } else {
                S.dupGridMeta = null;
                S.dupGridMetaKey = '';
                UI.in.style.height = `${Math.ceil((S.display.length || 0) / gridLayout.cols) * CONF.rowHeight}px`;
            }
            scheduleGridRelayout();
        } else {
            S._gridLayoutKey = '';
            S.dupGridMeta = null;
            S.dupGridMetaKey = '';
            if (UI.win) UI.win.classList.remove('pk-grid-view', 'pk-grid-resizing', 'pk-grid-scrolling');
            UI.in.style.height = `${S.display.length * CONF.rowHeight}px`;
        }
        let colDef;

        const cur = S.path[S.path.length - 1];
        const isAnalyzeRoot = S.analyzeMode && cur.id === 'analyze_root';
        const isGlobalSearchRoot = cur.id === 'virtual_search_root' && UI.chkGlobal && UI.chkGlobal.checked;
        const showPathCol = S.dupMode || isAnalyzeRoot || S.isFlattened || isGlobalSearchRoot;

        const isMax = UI.win.classList.contains('pk-maximized');

        if (S.offlineMode) {
            colDef = "36px 1fr 120px 240px 180px";
        } else if (S.uploadMode) {
            colDef = "36px 1fr 100px 120px 180px";
        } else if (S.shareMode) {
            colDef = isMax ? "36px 1fr 80px 80px 120px 130px" : "36px 1fr 80px 80px 80px 130px";
        } else if (S.historyMode) {
            colDef = "36px 30px 1fr 80px 80px 120px 160px";
        } else if (S.trashMode) {
            colDef = "36px 30px 1fr 80px 105px 130px";
        } else if (S.recentMode) {
            colDef = "36px 30px 1fr 80px 105px 130px";
        } else if (isAnalyzeRoot) {
            colDef = "36px 30px 2fr 1fr 80px 130px";
        } else if (showPathCol) {
            colDef = "36px 30px 2fr 1fr 80px 105px 130px";
        } else {
            colDef = "36px 30px 1fr 80px 105px 130px";
        }

        const hd = UI.win.querySelector('.pk-grid-hd');
        if (hd) {
            if (isGridView()) {
                const gridMeta = getGridSortMeta();
                const hideGroupedRootGridHeadTools = S.dupMode || (isAnalyzeRoot && S.analyzeSimGroups);
                const hideGridFolderFirst = S.isFlattened || S.dupMode || isAnalyzeRoot;
                hd.classList.add('pk-grid-view-hd');
                hd.style.gridTemplateColumns = '';
                hd.innerHTML = `
                    <div class="pk-grid-check-tools">
                        <input type="checkbox" id="pk-all">
                        <button class="pk-btn" id="pk-grid-folder-first" type="button" data-pk-tip="${L.lbl_folder_first}" style="cursor:pointer; display:${hideGridFolderFirst ? 'none' : 'flex'}; align-items:center; color:${S.folderFirst ? 'var(--pk-pri)' : '#666'}; font-size:12px; flex-shrink:0; padding:0;">
                            ${CONF.icons.folderFirst}
                            <span style="margin-left:2px; white-space:nowrap;">${L.lbl_folder_first}</span>
                        </button>
                        <div id="pk-grid-invert" class="pk-btn" data-pk-tip="${L.btn_invert}" style="margin-left:12px; cursor:pointer; display:${(!S.dupMode && S.getSelectedCount() > 0) ? 'flex' : 'none'}; align-items:center; color:var(--pk-fg); padding:0; pointer-events:auto; flex-shrink:0;">
                            ${CONF.icons.invert}
                            <span style="margin-left:2px; white-space:nowrap;">${L.btn_invert}</span>
                        </div>
                    </div>
                    <div class="pk-grid-sort-wrap" style="display:${hideGroupedRootGridHeadTools ? 'none' : 'flex'};">
                        <button class="pk-grid-sort-trigger" id="pk-grid-sort-trigger" type="button">
                            ${gridMeta.icon}
                            <span>${gridMeta.label}</span>
                            <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>
                        </button>
                        <div class="pk-grid-sort-menu">
                             ${getGridSortOptions().map(opt => {
                                 const state = resolveGridSortOptionState(opt);
                                 return `<div class="pk-grid-sort-opt ${state.active ? 'active' : ''}" data-sort="${opt.sort}">${state.icon}<span>${state.label}</span></div>`;
                             }).join('')}
                        </div>
                    </div>
                `;
                UI.chkAll = hd.querySelector('#pk-all');
                if (UI.chkAll) UI.chkAll.onclick = S.handleSelectAll;

                UI.btnGridFolderFirst = hd.querySelector('#pk-grid-folder-first');
                if (UI.btnGridFolderFirst) {
                    UI.btnGridFolderFirst.onclick = (e) => {
                        e.stopPropagation();
                        toggleFolderFirst();
                    };
                }

                const btnGridInv = hd.querySelector('#pk-grid-invert');
                if (btnGridInv) {
                    btnGridInv.onclick = (e) => {
                        e.stopPropagation();
                        if (S.loading || S.display.length === 0) return;
                        S.invertSelection();
                        renderVisible();
                        updateStat();
                    };
                    btnGridInv.onmouseenter = () => btnGridInv.style.color = 'var(--pk-pri)';
                    btnGridInv.onmouseleave = () => btnGridInv.style.color = 'var(--pk-fg)';
                }

                UI.gridSortWrap = hd.querySelector('.pk-grid-sort-wrap');
                if (UI.gridSortWrap && S.gridSortMenuOpen) UI.gridSortWrap.classList.add('open');

                const sortTrigger = hd.querySelector('#pk-grid-sort-trigger');
                if (sortTrigger) {
                    sortTrigger.onclick = (e) => {
                        e.stopPropagation();
                        if (!UI.gridSortWrap) return;
                        const willOpen = !UI.gridSortWrap.classList.contains('open');
                        S.gridSortMenuOpen = willOpen;
                        UI.gridSortWrap.classList.toggle('open', willOpen);
                    };
                }

                hd.querySelectorAll('.pk-grid-sort-opt').forEach(opt => {
                    opt.onclick = (e) => {
                        e.stopPropagation();
                        applySortSelection(opt.dataset.sort);
                    };
                });

                if (!S.gridSortDismissBound) {
                    document.addEventListener('mousedown', closeGridSortMenu, true);
                    document.addEventListener('scroll', closeGridSortMenu, true);
                    window.addEventListener('resize', closeGridSortMenu);
                    S.gridSortDismissBound = true;
                }
            } else {
                hd.classList.remove('pk-grid-view-hd');
                hd.style.gridTemplateColumns = colDef;
                UI.gridSortWrap = null;
                closeGridSortMenu();
            }

            if (!isGridView() && S.offlineMode) {
                if (!hd.querySelector('[data-k="offline_status"]')) {
                    hd.innerHTML = `
                        <div><input type="checkbox" id="pk-all"></div>
                        <div class="pk-col" data-k="name" style="justify-content:flex-start;">${L.col_name}<span></span></div>
                        <div class="pk-col" data-k="size" style="justify-content:flex-start;">${L.col_size}<span></span></div>
                        <div class="pk-col" data-k="offline_status" style="justify-content:flex-start;">${L.col_task_status}<span></span></div>
                        <div class="pk-col" data-k="offline_progress" style="justify-content:flex-start;">${L.col_task_progress}<span></span></div>
                    `;
                    const chk = hd.querySelector('#pk-all');
                    chk.onclick = S.handleSelectAll;
                    UI.chkAll = chk;
                }
            }
            else if (!isGridView() && S.historyMode) {
                if (!hd.querySelector('[data-k="play_time"]')) {
                    hd.innerHTML = `
                        <div><input type="checkbox" id="pk-all"></div>
                        <div class="pk-col" data-k="starred" style="justify-content:center;">
                            <svg width="16" height="16" viewBox="0 0 1024 1024" style="margin-top:-2px;"><path d="M953.107692 425.353846c3.938462-19.692308-11.815385-39.384615-31.507692-43.323077l-259.938462-39.384615-118.153846-244.184616c-3.938462-7.876923-7.876923-11.815385-15.753846-15.753846-7.876923-3.938462-15.753846-3.938462-19.692308-3.938461h-3.938461c-3.938462 0-7.876923 3.938462-11.815385 3.938461 0 0-3.938462 0-3.938461 3.938462-3.938462 3.938462-3.938462 7.876923-7.876923 11.815384v3.938462l-118.153846 244.184615-259.938462 39.384616c-3.938462 0-7.876923 3.938462-11.815385 3.938461 0 0-3.938462 0-3.938461 3.938462 0 0-3.938462 0-3.938461 3.938461v3.938462c0 3.938462-3.938462 3.938462-3.938461 7.876923 0 0 0 3.938462-3.938462 3.938462v15.753846c0 3.938462 0 3.938462 3.938462 7.876923 0 3.938462 3.938462 7.876923 7.876923 11.815384L275.692308 638.030769 232.369231 905.846154V917.661538c0 3.938462 0 3.938462 3.938461 7.876924v3.938461c0 3.938462 3.938462 3.938462 7.876923 7.876923l3.938462 3.938462c3.938462 0 3.938462 3.938462 7.876923 3.938461H275.692308c3.938462 0 7.876923 0 11.815384-3.938461l78.769231-43.323077 149.661539-78.769231 3.938461-3.938462 232.369231 126.03077c7.876923 3.938462 15.753846 3.938462 23.630769 3.938461 19.692308-3.938462 31.507692-23.630769 27.569231-43.323077l-43.323077-267.815384 189.046154-189.046154c0-7.876923 0-11.815385 3.938461-19.692308z" fill="#FFC107"></path></svg>
                            <span></span>
                        </div>
                        <div class="pk-col" data-k="name" style="justify-content:flex-start;">
                            <div id="pk-name-text-wrap" style="display:flex;align-items:center;">${L.col_name}<span></span></div>
                        </div>
                        <div class="pk-col" data-k="size">${L.col_size}<span></span></div>
                        <div class="pk-col" data-k="duration">${L.col_duration_only}<span></span></div>
                        <div class="pk-col" data-k="progress" style="justify-content:flex-start;">${L.col_progress}<span></span></div>
                        <div class="pk-col" data-k="play_time" style="justify-content:flex-start;">${L.col_play_time}<span></span></div>
                    `;
                    const chk = hd.querySelector('#pk-all');
                    chk.onclick = S.handleSelectAll;
                    UI.chkAll = chk;
                }
            }
            else if (!isGridView() && S.uploadMode) {
                if (!hd.querySelector('[data-k="upload_speed"]')) {
                    hd.innerHTML = `
                        <div><input type="checkbox" id="pk-all"></div>
                        <div class="pk-col" data-k="name" style="justify-content:flex-start;">${L.col_name}<span></span></div>
                        <div class="pk-col" data-k="size" style="justify-content:flex-start;">${L.col_size}<span></span></div>
                        <div class="pk-col" data-k="upload_speed" style="justify-content:flex-start;">${L.col_up_speed}<span></span></div>
                        <div class="pk-col" data-k="upload_status" style="justify-content:flex-start;">${L.col_up_status}<span></span></div>
                    `;
                    const chk = hd.querySelector('#pk-all');
                    chk.onclick = S.handleSelectAll;
                    UI.chkAll = chk;
                }
            }
            else if (!isGridView() && S.shareMode) {
                if (!hd.querySelector('[data-k="share_status"]')) {
                    hd.innerHTML = `
                        <div><input type="checkbox" id="pk-all"></div>
                        <div class="pk-col" data-k="name" style="justify-content:flex-start;">
                            <div id="pk-name-text-wrap" style="display:flex;align-items:center;">${L.col_name}<span style="display:inline-block; min-width:18px; text-align:center;"></span></div>
                            <div id="pk-btn-invert" class="pk-btn" data-pk-tip="${L.btn_invert}" style="margin-left:12px; cursor:pointer; display:none; align-items:center; color:var(--pk-fg); padding:0; pointer-events:auto;">
                                ${CONF.icons.invert}
                                <span style="margin-left:2px;">${L.btn_invert}</span>
                            </div>
                        </div>
                        <div class="pk-col" data-k="view_count" style="justify-content:flex-start;">${L.col_view}<span></span></div>
                        <div class="pk-col" data-k="save_count" style="justify-content:flex-start;">${L.col_save}<span></span></div>
                        <div class="pk-col" data-k="share_status" style="justify-content:center;">${L.col_share_status}<span></span></div>
                        <div class="pk-col" data-k="modified_time" style="justify-content:flex-end;">${L.col_share_time}<span></span></div>
                    `;
                    const chk = hd.querySelector('#pk-all');
                    chk.onclick = S.handleSelectAll;
                    UI.chkAll = chk;

                    const btnInv = hd.querySelector('#pk-btn-invert');
                    if(btnInv) {
                        btnInv.onclick = (e) => {
                            e.stopPropagation();
                            if (S.loading || S.display.length === 0) return;
                            const newSel = [];
                            for (let i = 0; i < S.display.length; i++) {
                                const item = S.display[i];
                                if (item && !item.isHeader && !S.movingIds.has(item.id) && !S.isSelected(item.id)) newSel.push(item.id);
                            }
                            S.setExplicitSelection(newSel); S.lastSelIdx = -1; S.activeId = null;
                            renderVisible(); updateStat();
                        };
                        btnInv.onmouseenter = () => btnInv.style.color = 'var(--pk-pri)';
                        btnInv.onmouseleave = () => btnInv.style.color = 'var(--pk-fg)';
                    }
                }
            } else if (!isGridView()) {
                const isAnalyzeRoot = S.analyzeMode && cur.id === 'analyze_root';
                const hasDurationCol = !!hd.querySelector('[data-k="duration"]');
                const hasHistoryCol = !!hd.querySelector('[data-k="play_time"]');
                const hasOfflineCol = !!hd.querySelector('[data-k="offline_status"]');

                if (hasDurationCol === isAnalyzeRoot || !hd.querySelector('[data-k="name"]') || hasHistoryCol || hasOfflineCol) {
                     hd.innerHTML = `
                        <div><input type="checkbox" id="pk-all"></div>
                        <div class="pk-col" data-k="starred" style="justify-content:center;">
                            <svg width="16" height="16" viewBox="0 0 1024 1024" style="margin-top:-2px;"><path d="M953.107692 425.353846c3.938462-19.692308-11.815385-39.384615-31.507692-43.323077l-259.938462-39.384615-118.153846-244.184616c-3.938462-7.876923-7.876923-11.815385-15.753846-15.753846-7.876923-3.938462-15.753846-3.938462-19.692308-3.938461h-3.938461c-3.938462 0-7.876923 3.938462-11.815385 3.938461 0 0-3.938462 0-3.938461 3.938462-3.938462 3.938462-3.938462 7.876923-7.876923 11.815384v3.938462l-118.153846 244.184615-259.938462 39.384616c-3.938462 0-7.876923 3.938462-11.815385 3.938461 0 0-3.938462 0-3.938461 3.938462 0 0-3.938462 0-3.938462 3.938461v3.938462c0 3.938462-3.938462 3.938462-3.938461 7.876923 0 0 0 3.938462-3.938462 3.938462v15.753846c0 3.938462 0 3.938462 3.938462 7.876923 0 3.938462 3.938462 7.876923 7.876923 11.815384L275.692308 638.030769 232.369231 905.846154V917.661538c0 3.938462 0 3.938462 3.938461 7.876924v3.938461c0 3.938462 3.938462 3.938462 7.876923 7.876923l3.938462 3.938462c3.938462 0 3.938462 3.938462 7.876923 3.938461H275.692308c3.938462 0 7.876923 0 11.815384-3.938461l78.769231-43.323077 149.661539-78.769231 3.938461-3.938462 232.369231 126.03077c7.876923 3.938462 15.753846 3.938462 23.630769 3.938461 19.692308-3.938462 31.507692-23.630769 27.569231-43.323077l-43.323077-267.815384 189.046154-189.046154c0-7.876923 0-11.815385 3.938461-19.692308z" fill="#FFC107"></path></svg>
                            <span></span>
                        </div>
                         <div class="pk-col" data-k="name" style="justify-content:flex-start;">
                              <div id="pk-name-text-wrap" style="display:flex;align-items:center;">${L.col_name}<span></span></div>
                         ${(!isAnalyzeRoot && !S.isFlattened && !S.dupMode) ? `
                         <div id="pk-btn-folder-first" class="pk-btn" data-pk-tip="${L.lbl_folder_first}" style="margin-left:8px; cursor:pointer; display:flex; align-items:center; color:#666; font-size:12px; flex-shrink:0; padding:0;">
                           ${CONF.icons.folderFirst}
                           <span style="margin-left:2px; white-space:nowrap;">${L.lbl_folder_first}</span>
                         </div>` : ''}
                             <div id="pk-btn-invert" class="pk-btn" data-pk-tip="${L.btn_invert}" style="margin-left:12px; cursor:pointer; display:none; align-items:center; color:var(--pk-fg); padding:0; pointer-events:auto;">
                                ${CONF.icons.invert}
                                <span style="margin-left:2px; white-space:nowrap;">${L.btn_invert}</span>
                             </div>
                        </div>
                        <div class="pk-col" data-k="path" style="display:none;color:#888;">${L.col_path} <span></span></div>
                        <div class="pk-col" data-k="size">${L.col_size}<span></span></div>
                        ${!isAnalyzeRoot ? `<div class="pk-col" data-k="duration">${L.col_dur}<span></span></div>` : ''}
                        <div class="pk-col" data-k="modified_time">${L.col_date}<span></span></div>
                    `;

                    const chk = hd.querySelector('#pk-all');
                    chk.onclick = S.handleSelectAll;
                    UI.chkAll = chk;

                    const btnFF = hd.querySelector('#pk-btn-folder-first');
                    if (btnFF) {
                        UI.btnFolderFirst = btnFF;
                        btnFF.onclick = (e) => {
                            e.stopPropagation();
                            S.folderFirst = !S.folderFirst;
                            gmSet('pk_folder_first', S.folderFirst);
                            if(S.renderFolderFirst) S.renderFolderFirst();
                            refresh();
                        };
                        if(S.renderFolderFirst) S.renderFolderFirst();
                    } else {
                        UI.btnFolderFirst = null;
                        S.renderFolderFirst = () => {};
                    }

                    const btnInv = hd.querySelector('#pk-btn-invert');
                    if(btnInv) {
                        btnInv.onclick = (e) => {
                            e.stopPropagation();
                            if (S.loading || S.display.length === 0) return;
                            const newSel = [];
                            for (let i = 0; i < S.display.length; i++) {
                                const item = S.display[i];
                                if (item && !item.isHeader && !S.movingIds.has(item.id) && !S.isSelected(item.id)) newSel.push(item.id);
                            }
                            S.setExplicitSelection(newSel); S.lastSelIdx = -1; S.activeId = null;
                            renderVisible(); updateStat();
                        };
                        btnInv.onmouseenter = () => btnInv.style.color = 'var(--pk-pri)';
                        btnInv.onmouseleave = () => btnInv.style.color = 'var(--pk-fg)';
                    }
                }

                const colPaths = hd.querySelector('[data-k="path"]');
                const colStar = hd.querySelector('[data-k="starred"]');
                const colDur = hd.querySelector('[data-k="duration"]');
                const colSize = hd.querySelector('[data-k="size"]');

                if (colPaths) colPaths.style.display = showPathCol ? 'flex' : 'none';

                if (colStar) {
                    colStar.style.display = 'flex';
                    colStar.style.opacity = '1';
                    colStar.style.pointerEvents = 'auto';
                }
                if (colDur) {
                    colDur.style.display = isAnalyzeRoot ? 'none' : 'flex';
                    colDur.style.opacity = '1';
                    colDur.style.pointerEvents = 'auto';
                }
                if (colSize) colSize.style.display = 'flex';

                const dateHeader = hd.querySelector('[data-k="modified_time"]');
                if (dateHeader) {
                    dateHeader.childNodes[0].textContent = S.trashMode ? L.col_remaining : L.col_date;
                }
            }
        }

        const currentCols = isGridView() ? [] : hd.querySelectorAll('.pk-col');

        currentCols.forEach(c => {
            const span = c.querySelector('span');
            const isSimFolderView = (isAnalyzeRoot && S.analyzeSimGroups);

            if (S.dupMode || S.offlineMode || S.uploadMode || isSimFolderView) {
                c.style.cursor = 'default';
                c.style.pointerEvents = 'none';
                c.style.color = 'var(--pk-fg)';
                if(span) span.textContent = '';

                if (c.dataset.k === 'name') {
                    const nameWrap = c.querySelector('#pk-name-text-wrap');
                    if (nameWrap) nameWrap.style.color = 'var(--pk-fg)';
                }
            } else {
                c.style.cursor = 'pointer';
                c.style.pointerEvents = 'auto';

                c.onclick = () => {
                    const k = c.dataset.k;
                    if (S.sort === k) S.dir *= -1; else { S.sort = k; S.dir = 1; }

                    const curNode = S.path[S.path.length - 1];
                    const isStandard = !S.trashMode && !S.shareMode && !S.offlineMode && !S.starredMode && !S.isFlattened && !S.dupMode && !S.analyzeMode && (!curNode.id.startsWith('virtual_') || curNode.id === 'virtual_search_root');

                    if (isStandard) {
                        if (gmGet('pk_sort_independent', false)) {
                            const folderId = curNode.id || 'root';
                            try {
                                const prefStore = JSON.parse(gmGet('pk_folder_sort_prefs', '{}'));
                                prefStore[folderId] = { sort: S.sort, dir: S.dir, folderFirst: S.folderFirst };
                                gmSet('pk_folder_sort_prefs', JSON.stringify(prefStore));
                            } catch(e) {}
                        } else {
                            gmSet('pk_global_sort_pref', JSON.stringify({ sort: S.sort, dir: S.dir, folderFirst: S.folderFirst }));
                        }
                    }

                    refresh();
                };

                if (span) span.textContent = (c.dataset.k === S.sort) ? (S.dir === 1 ? ' ▼' : ' ▲') : '';

                if (c.dataset.k === 'name') {
                    c.style.color = '';
                    const nameWrap = c.querySelector('#pk-name-text-wrap');
                    if (nameWrap) {
                        nameWrap.style.color = (S.sort === 'name') ? 'var(--pk-pri)' : '#666';
                    }
                } else {
                    c.style.color = (c.dataset.k === S.sort) ? 'var(--pk-pri)' : '';
                }
            }
        });

        UI.chkAll = hd.querySelector('#pk-all');
        if (UI.chkAll) {
            UI.chkAll.onclick = S.handleSelectAll;

            const totalSelectable = S.getSelectableCount();
            const selectedCount = S.getSelectedCount();
            UI.chkAll.checked = totalSelectable > 0 && selectedCount === totalSelectable;
            UI.chkAll.indeterminate = selectedCount > 0 && selectedCount < totalSelectable;
        }

        requestAnimationFrame(() => {
            renderVisible();
            if (!isGridView()) {
                requestAnimationFrame(() => {
                    endFolderViewSync();
                    if (UI.win) UI.win.classList.remove('pk-view-switching');
                });
            }
        });
    }

    const getStarIcon = (isStarred) => {
        const color = isStarred ? '#FFC107' : '#ccc';
        const fill = isStarred ? '#FFC107' : 'none';
        return `<svg width="18" height="18" viewBox="0 0 24 24" fill="${fill}" stroke="${color}" stroke-width="2" style="cursor:pointer;" class="pk-star-toggle">
        <path d="M12 2l3.09 6.26L22 9.27l-5 4.87 1.18 6.88L12 17.77l-6.18 3.25L7 14.14 2 9.27l6.91-1.01L12 2z"></path></svg>`;
    };

    function renderVisible() {
        const L = getStrings();
        const isGridMode = isGridView();
        const gridLayout = isGridMode ? getGridLayout() : null;

        const winEl = el.querySelector('.pk-win');
        const listIn = el.querySelector('#pk-in');
        if (winEl && listIn) {
            const isMax = winEl.classList.contains('pk-maximized');
            const cur = S.path[S.path.length - 1];
            const isGroupedView = S.dupMode || (S.analyzeMode && cur.id === 'analyze_root' && S.analyzeSimGroups);
            const gap = isGroupedView ? (isMax ? 10 : 4) : 0;
            listIn.style.transform = gap > 0 ? `translateY(-${gap}px)` : 'none';
        }

        if (S.display.length === 0) {
            if (S.loading) {
                UI.in.style.height = '100%';
                UI.in.innerHTML = `
                    <div style="position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; color: var(--pk-fg); opacity: 0.7; z-index: 10; pointer-events: none;">
                        <div class="pk-spin-lg" style="width: 36px; height: 36px; border-width: 3px; border-color: rgba(136, 136, 136, 0.2); border-top-color: var(--pk-pri);"></div>
                        <div style="font-size: 13px; font-weight: 500; letter-spacing: 0.5px;">${L.loading_detail}</div>
                    </div>
                `;
                UI.pop.style.display = 'none';
                UI.pop.innerHTML = '';
                if (UI.ctx) UI.ctx.style.display = 'none';
                return;
            }

            if (S.items.length > 0 && !S.search && !S.dupMode && !S.trashMode && !S.shareMode && !S.offlineMode && !S.uploadMode && !S.isFlattened) {
                return;
            }

            if (UI.in.querySelector('.pk-empty')) {
                if (UI.in.style.height !== '100%') UI.in.style.height = '100%';
                return;
            }

            UI.in.style.height = '100%';
            UI.in.innerHTML = `<div class="pk-empty">${CONF.emptySVG}<div class="pk-empty-txt">${L.str_no_files}</div></div>`;

            UI.pop.style.display = 'none';
            UI.pop.innerHTML = '';
            if (UI.ctx) UI.ctx.style.display = 'none';
            return;
        }

        const dupGridMeta = isGroupedGridView() ? getGroupedGridMeta() : null;

        if (isGridMode && gridLayout) {
            UI.in.style.height = `${Math.max(0, dupGridMeta ? dupGridMeta.totalHeight : Math.ceil(S.display.length / gridLayout.cols) * CONF.rowHeight + gridLayout.gapY)}px`;
        } else {
            UI.in.style.height = `${S.display.length * CONF.rowHeight}px`;
        }

        const top = UI.vp.scrollTop;
        const h = UI.vp.clientHeight;
        const buffer = CONF.buffer || 20;

        let start = 0;
        let end = 0;
        let visibleIndices = null;

        if (dupGridMeta) {
            const sectionBuffer = Math.max(CONF.rowHeight * 2, buffer * CONF.rowHeight);
            visibleIndices = [];

            for (const section of dupGridMeta.sections) {
                if (section.bottom < top - sectionBuffer) continue;
                if (section.top > top + h + sectionBuffer) break;

                if (section.headerIndex !== null) visibleIndices.push(section.headerIndex);
                const itemIndices = section.itemIndices || [];
                for (let k = 0; k < itemIndices.length; k++) visibleIndices.push(itemIndices[k]);
            }

            end = visibleIndices.length;
        } else {
            start = isGridMode && gridLayout
                ? Math.max(0, (Math.floor(top / CONF.rowHeight) - Math.ceil(buffer / 2)) * gridLayout.cols)
            : Math.max(0, Math.floor(top / CONF.rowHeight) - buffer);
            end = isGridMode && gridLayout
                ? Math.min(S.display.length, (Math.ceil((top + h) / CONF.rowHeight) + Math.ceil(buffer / 2)) * gridLayout.cols)
            : Math.min(S.display.length, Math.ceil((top + h) / CONF.rowHeight) + buffer);
        }

        const isBlur = isBlurEnabledForView(isGridMode ? 'grid' : 'list');
        const rootPathStr = S.path.map(p => p.name).join('/');

        const lang = getLang();

        let colDef;
        const cur = S.path[S.path.length - 1];
        const isAnalyzeRoot = S.analyzeMode && cur.id === 'analyze_root';
        const isGlobalSearchRoot = cur.id === 'virtual_search_root' && UI.chkGlobal && UI.chkGlobal.checked;

        const showPathCol = S.dupMode || isAnalyzeRoot || S.isFlattened || isGlobalSearchRoot;

        const isMax = UI.win.classList.contains('pk-maximized');

        if (S.offlineMode) {
            colDef = "36px 1fr 120px 240px 180px";
        } else if (S.uploadMode) {
            colDef = "36px 1fr 100px 120px 180px";
        } else if (S.shareMode) {
            colDef = isMax ? "36px 1fr 80px 80px 120px 130px" : "36px 1fr 80px 80px 80px 130px";
        } else if (S.historyMode) {
            colDef = "36px 30px 1fr 80px 80px 120px 160px";
        } else if (S.trashMode) {
            colDef = "36px 30px 1fr 80px 105px 130px";
        } else if (S.recentMode) {
            colDef = "36px 30px 1fr 80px 105px 130px";
        } else if (isAnalyzeRoot) {
            colDef = "36px 30px 2fr 1fr 80px 130px";
        } else if (showPathCol) {
            colDef = "36px 30px 2fr 1fr 80px 105px 130px";
        } else {
            colDef = "36px 30px 1fr 80px 105px 130px";
        }

        UI.pop.style.display = 'none';
        UI.pop.innerHTML = '';

        cleanupNonPooledChildren(UI.in);

        const visibleCount = dupGridMeta ? visibleIndices.length : Math.max(0, end - start);
        const rowPool = ensureVisibleRowPool(UI.in, visibleCount);
        let poolPtr = 0;

        let nameColWidth = 400;
        let charCapacity = 50;

        const pathIds = S.path.map(p => p.id);
        const isAtGlobalSearchRoot = pathIds[pathIds.length - 1] === 'virtual_search_root';
        const isGlobalSearchHistoryPresent = pathIds.includes('virtual_search_root');

        const shouldShowHl = (!!S.search && (!isGlobalSearchHistoryPresent || isAtGlobalSearchRoot));

        let pathColWidth = 200, pathCharCapacity = 30;
        if (UI.win) {
            const charWidth = isMax ? 9.2 : 8;
            const nameColEl = UI.win.querySelector('.pk-grid-hd .pk-col[data-k="name"]');
            if (nameColEl) {
                nameColWidth = nameColEl.offsetWidth;
                charCapacity = Math.floor((nameColWidth - 80) / charWidth);
            }
            const pathColEl = UI.win.querySelector('.pk-grid-hd .pk-col[data-k="path"]');
            if (pathColEl) {
                pathColWidth = pathColEl.offsetWidth;
                pathCharCapacity = Math.floor((pathColWidth - 20) / charWidth);
            }
        }

        const getTooltipHlHTML = (text, query) => {
            if (!query || !shouldShowHl) return esc(text);
            const lowText = text.toLowerCase();
            const q = query.toLowerCase();
            const idx = lowText.indexOf(q);
            if (idx === -1) return esc(text);
            return esc(text.substring(0, idx)) + `<b style="color:var(--pk-match-fg); background:var(--pk-match-bg); border-radius:2px; padding:0 2px;">${esc(text.substring(idx, idx + q.length))}</b>` + getTooltipHlHTML(text.substring(idx + q.length), query);
        };

        const getSearchHlHTML = (name, query, capacity) => {
            const q = query.toLowerCase();
            const idx = name.toLowerCase().indexOf(q);
            if (idx === -1) return esc(name);

            let start = 0, end = name.length, prefix = "", suffix = "";
            if (name.length > capacity) {
                const preLimit = Math.floor(capacity * 0.3);
                start = Math.max(0, idx - preLimit);
                end = Math.min(name.length, start + capacity);
                if (start > 0) prefix = "...";
                if (end < name.length) suffix = "...";
            }

            const targetSlice = name.substring(start, end);
            return prefix + getTooltipHlHTML(targetSlice, query) + suffix;
        };

        const _internalGetStarIcon = (isStarred) => {
            const color = isStarred ? '#FFC107' : '#ccc';
            const fill = isStarred ? '#FFC107' : 'none';
            return `<svg class="pk-star-toggle" width="16" height="16" viewBox="0 0 24 24" fill="${fill}" stroke="${color}" stroke-width="2" style="cursor:pointer; transition: all 0.2s;">
                <path d="M12 2l3.09 6.26L22 9.27l-5 4.87 1.18 6.88L12 17.77l-6.18 3.25L7 14.14 2 9.27l6.91-1.01L12 2z"></path>
            </svg>`;
        };

        const getRemainingDays = (dateStr) => {
            if (!dateStr) return "-";
            const deleteTime = new Date(dateStr).getTime();
            const now = getServerNow();
            const diffMs = now - deleteTime;
            const daysPassed = diffMs / (1000 * 60 * 60 * 24);
            let left = Math.max(0, Math.min(15, Math.ceil(15 - daysPassed)));
            return left + " " + L.unit_days;
        };

        const renderIndices = dupGridMeta ? visibleIndices : null;
        const renderCount = dupGridMeta ? renderIndices.length : Math.max(0, end - start);

        for (let seqIdx = 0; seqIdx < renderCount; seqIdx++) {
            const i = dupGridMeta ? renderIndices[seqIdx] : (start + seqIdx);
            const d = S.display[i];
            if (!d) continue;

            const row = rowPool[poolPtr++];
            const prevBoundId = row.dataset.pkBoundId || '';
            const prevBoundKind = row.dataset.pkBoundKind || '';
            const prevGridMediaMount = isGridMode ? row.querySelector('.pk-gv-media-mount') : null;
            const prevGridMediaNode = prevGridMediaMount ? prevGridMediaMount.firstElementChild : null;
            const prevGridMediaKey = prevGridMediaMount ? (prevGridMediaMount.dataset.pkMediaKey || '') : '';

            if (isGridMode && prevBoundId && prevGridMediaNode && typeof stashFrozenGridMediaNode === 'function') {
                stashFrozenGridMediaNode(prevBoundId, prevGridMediaKey, prevGridMediaNode, prevBoundKind);
            }

            resetPooledRow(row);

            const dupLayout = dupGridMeta ? dupGridMeta.indexLayout.get(i) : null;

            if (dupLayout) {
                row.style.top = `${dupLayout.top}px`;
                row.style.left = `${dupLayout.left}px`;
                row.style.width = `${dupLayout.width}px`;
                row.style.height = `${dupLayout.height}px`;

                if (dupLayout.kind === 'header') {
                    row.style.padding = isMax ? '0 20px' : '0 16px';
                    row.style.display = 'grid';
                    row.style.gridTemplateColumns = colDef;
                    row.style.zIndex = '2';
                    row.style.boxSizing = 'border-box';
                } else {
                    row.style.padding = '0';
                    row.style.display = 'block';
                    row.style.gridTemplateColumns = '';
                    row.style.zIndex = '1';
                }
            } else if (isGridMode && gridLayout) {
                const rowIdx = Math.floor(i / gridLayout.cols);
                const colIdx = i % gridLayout.cols;
                row.style.top = `${gridLayout.gapY + rowIdx * CONF.rowHeight}px`;
                row.style.left = `${gridLayout.padX + colIdx * (gridLayout.cardWidth + gridLayout.gapX)}px`;
                row.style.width = `${gridLayout.cardWidth}px`;
                row.style.height = `${gridLayout.cardHeight}px`;
                row.style.padding = '0';
                row.style.display = 'block';
            } else {
                row.style.top = `${i * CONF.rowHeight}px`;
                row.style.left = '0';
                row.style.width = '100%';
                row.style.gridTemplateColumns = colDef;
                row.style.height = '';
                row.style.padding = '';
                row.style.display = 'grid';
            }

            if (d.isHeader) {
                row.className = 'pk-group-hd';

                if (i === 0) {
                    row.style.setProperty('border-top', 'none', 'important');
                    const borderW = isMax ? 10 : 4;
                    row.style.setProperty('padding-top', borderW + 'px', 'important');
                } else {
                    row.style.removeProperty('border-top');
                    row.style.removeProperty('padding-top');
                }

                if (dupGridMeta) row.style.gridColumn = "";
                else if (S.trashMode) row.style.gridColumn = "1 / 7";
                else if (S.dupMode || S.analyzeMode) row.style.gridColumn = "1 / 8";
                else row.style.gridColumn = "1 / 7";

                const gIdx = parseInt(d.id.replace('grp_', ''));
                const groupData = S.dupMode ? S.dupRawGroups[gIdx] : (S.analyzeMode ? S.analyzeSimGroups[gIdx] : null);
                const groupItemIds = Array.isArray(d.groupIds) ? d.groupIds.slice() : (groupData ? groupData.ids : []);
                row._pkGroupIds = groupItemIds.slice();

                let selectedInGroup = 0;
                groupItemIds.forEach(id => { if (S.isSelected(id)) selectedInGroup++; });

                const isAllSelected = groupItemIds.length > 0 && selectedInGroup === groupItemIds.length;
                const isIndeterminate = selectedInGroup > 0 && selectedInGroup < groupItemIds.length;

                let groupIcon = CONF.dupHashSVG;
                const isContain = d.name.includes(L.lbl_containment);
                const isSimLike = d.type === L.tag_sim || d.name.includes(L.lbl_sim_score);
                const isNameLike = d.type === L.tag_name || (S.analyzeMode && d.name.includes(' | ') && !isSimLike && !isContain);

                if (isContain) {
                    groupIcon = CONF.dupContainSVG;
                } else if (isSimLike) {
                    groupIcon = CONF.dupSimSVG;
                } else if (isNameLike) {
                    groupIcon = CONF.dupNameSVG;
                }

                groupIcon = groupIcon.replace(/width:\s*\d+px;?/, 'width:18px;').replace(/height:\s*\d+px;?/, 'height:18px;').replace(/margin-right:\s*\d+px;?/, 'margin:0;');

                let headerName = d.name;
                const headerTip = getTooltipHlHTML(d.name, S.search).replace(/"/g, '&quot;');

                row.style.display = 'flex';
                row.innerHTML = `
                <div style="width:36px; flex-shrink:0; display:flex; justify-content:center; align-items:center; margin-right:10px;">
                            <input type="checkbox" class="pk-grp-chk" ${isAllSelected ? 'checked' : ''} style="width:18px; height:18px; cursor:pointer; margin:0;">
                        </div>
                        <div style="width:30px; flex-shrink:0; display:flex; justify-content:flex-start; align-items:center; margin-right:10px;">
                            <div style="display:flex; color:var(--pk-pri); opacity:0.8; margin-left:-1px;">${groupIcon}</div>
                        </div>
                        <div class="pk-name" style="display:flex; align-items:center; overflow:hidden; white-space:nowrap; flex:1; min-width:0;" data-pk-tip="${headerTip}">
                    <span style="font-weight:600; color:var(--pk-fg); opacity:0.9; overflow:hidden; text-overflow:ellipsis;">${esc(headerName)}</span>
                </div>
                <div style="margin-left:auto; display:flex; align-items:center; flex-shrink:0; gap:8px;"></div>
                </div>
                `;

                const grpChk = row.querySelector('.pk-grp-chk');
                if (grpChk) {
                    grpChk.indeterminate = isIndeterminate;
                    grpChk.onclick = (e) => {
                        e.stopPropagation();
                        const targetState = grpChk.checked;
                        groupItemIds.forEach(id => {
                            S.setSelected(id, targetState);
                        });
                        renderVisible();
                        updateStat();
                    };
                }
            } else {
                const isSel = S.isSelected(d.id);
                const isFocused = S.activeId === d.id;

                const isMoving = S.movingIds && S.movingIds.has(d.id);

                row.className = getRowClassName(isSel, isFocused, isMoving);
                row.ondragstart = (e) => e.preventDefault();

                if (isFocused && !isSel) {
                    row.style.backgroundColor = 'var(--pk-sel-bg)';
                    row.style.border = '1px solid var(--pk-pri)';
                    row.style.borderRadius = isGridMode ? `${getGridCardRadius()}px` : '4px';
                }

                if (isMoving) {
                    row.style.opacity = '0.4';
                    row.style.filter = 'grayscale(100%)';
                    row.style.pointerEvents = 'none';
                    row.style.cursor = 'wait';
                } else {
                    row.style.opacity = '';
                    row.style.filter = '';
                    row.style.pointerEvents = '';
                    row.style.cursor = '';
                }

                row.dataset.id = d.id;

                const isProtected = !S.trashMode && isSystemItem(d);
                const isMax = UI.win.classList.contains('pk-maximized');
                const nameTip = getTooltipHlHTML(d.name, S.search).replace(/"/g, '&quot;');

                const getDynamicIcon = (item) => {
                    let isBlacklisted = false;
                    const cleanName = (item.name || "").replace(/[\r\n\v\f\u2028\u2029]+/g, ' ').trim().toLowerCase();
                    if (item.kind === 'drive#folder') {
                        isBlacklisted = S.blFolderSet && S.blFolderSet.has(cleanName);
                    } else {
                        isBlacklisted = S.blSet && S.blSet.has(cleanName);
                    }
                    const blHtml = isBlacklisted ? `<div class="pk-bl-marker" data-bl="active">${CONF.icons.blMarker}</div>` : '';

                    if (S.uploadMode) {
                        if (item.status === 'DONE' && item.file && item.mime_type && item.mime_type.startsWith('image/')) {
                            if (!item._localThumbUrl) {
                                try { item._localThumbUrl = URL.createObjectURL(item.file); } catch(e) {}
                            }
                            if (item._localThumbUrl) item.thumbnail_link = item._localThumbUrl;
                        }

                        const hasReadyThumb = item.status === 'DONE' && item.thumbnail_link && item.thumbnail_link !== item.icon_link;
                        if (!hasReadyThumb) {
                            const scriptIcon = getIcon(item);
                            if (isMax) {
                                const boxStyle = "width:54px; min-width:54px; height:100%; display:flex; align-items:center; justify-content:flex-start !important; margin-right:12px; position:relative;";
                                return `<div class="pk-max-icon-box" style="${boxStyle}"><div style="transform: translateX(-6px); display:flex;">${scriptIcon}</div>${blHtml}</div>`;
                            }
                            return `<div class="pk-min-icon" style="width:24px; height:24px; display:inline-flex; align-items:center; justify-content:center; vertical-align:middle; margin-right:12px; flex-shrink:0; position:relative;">
                                <div style="display:flex; transform: translateX(4px) scale(0.96);">${scriptIcon}</div>
                                ${blHtml}
                            </div>`;
                        }
                    }

                    if (!window.pkGlobalThumbCache) window.pkGlobalThumbCache = new Set();
                    const isFolder = item.kind === 'drive#folder';
                    const isTask = item.kind === 'drive#task';
                    const isUploadTask = item.kind === 'pk#upload';
                    const lookupId = (isTask || isUploadTask) ? item.file_id : item.id;
                    let hasValidCover = !!(item.thumbnail_link && item.thumbnail_link !== item.icon_link);

                    if (!window.pkRecentMetaCache) window.pkRecentMetaCache = new Map();
                    if (S.recentMode && !isFolder) {
                        if (window.pkRecentMetaCache.has(item.id)) {
                            const meta = window.pkRecentMetaCache.get(item.id);
                            item.thumbnail_link = meta.thumbnail_link || item.thumbnail_link;
                            item.icon_link = meta.icon_link || item.icon_link;
                            item.mime_type = meta.mime_type || item.mime_type;
                            if (meta.medias) item.medias = meta.medias;
                            item.params = Object.assign(item.params || {}, meta.params || {});
                            hasValidCover = !!(item.thumbnail_link && item.thumbnail_link !== item.icon_link);
                        } else if (!hasValidCover && !item._metaFetching) {
                            item._metaFetching = true;
                            const ext = (item.name || '').split('.').pop().toLowerCase();
                            const mime = (item.mime_type || '').toLowerCase();
                            const isLikelyMedia = mime.startsWith('video/') || mime.startsWith('image/') ||['mp4','mkv','avi','mov','wmv','flv','webm','ts','m4v','3gp','jpg','jpeg','png','gif','bmp','webp','heic','svg','tif','tiff','ico'].includes(ext);

                            if (isLikelyMedia) {
                                apiGet(item.id).then(meta => {
                                    if (meta) {
                                        window.pkRecentMetaCache.set(item.id, meta);
                                        item.thumbnail_link = meta.thumbnail_link || item.thumbnail_link;
                                        item.icon_link = meta.icon_link || item.icon_link;
                                        item.mime_type = meta.mime_type || item.mime_type;
                                        if (meta.medias) item.medias = meta.medias;
                                        item.params = Object.assign(item.params || {}, meta.params || {});
                                        requestAnimationFrame(() => {
                                            if (typeof renderVisible === 'function') renderVisible();
                                        });
                                    }
                                }).catch(()=>{});
                            }
                        }
                    }

                    let forceDeepScan = false;
                    if (item._coverResolved && !hasValidCover) {
                        forceDeepScan = true;
                    }

                    if ((isFolder || isTask || isUploadTask) && lookupId && (!hasValidCover || forceDeepScan) && typeof globalCache !== 'undefined') {
                        const normalize = (data) => (data && !Array.isArray(data) && data.items) ? data.items : data;

                        const scanDeepCover = (targetId, depth) => {
                            if (depth > 5) return null;
                            const raw = globalCache.get(targetId);
                            if (!raw) return null;

                            const files = normalize(raw);
                            if (!files || files.length === 0) return null;

                            const vid = files.find(f => f.mime_type?.startsWith('video/') && f.thumbnail_link);
                            if (vid) return vid.thumbnail_link;

                            const img = files.find(f => f.mime_type?.startsWith('image/') && f.thumbnail_link);
                            if (img) return img.thumbnail_link;

                            const subFolders = files.filter(f => f.kind === 'drive#folder');
                            for (const sub of subFolders) {
                                if (globalCache.has(sub.id)) {
                                    const childThumb = scanDeepCover(sub.id, depth + 1);
                                    if (childThumb) return childThumb;
                                    continue;
                                }
                                if (sub.thumbnail_link && sub.thumbnail_link !== sub.icon_link && !sub._coverResolved) {
                                    return sub.thumbnail_link;
                                }
                                const childThumb = scanDeepCover(sub.id, depth + 1);
                                if (childThumb) return childThumb;
                            }
                            return null;
                        };

                        const foundThumb = scanDeepCover(lookupId, 0);

                        if (foundThumb) {
                            item.thumbnail_link = foundThumb;
                            item._coverResolved = true;
                            item._isFolderLike = true;
                            hasValidCover = true;

                            if (typeof window.markStableFolderMediaState === 'function') {
                                window.markStableFolderMediaState(item.id || lookupId, 'ok', foundThumb);
                            } else {
                                if (!window.pkThumbTriState) window.pkThumbTriState = { folder: Object.create(null) };
                                if (!window.pkGridMediaStore) window.pkGridMediaStore = { folder: Object.create(null) };
                                if (!window.pkGlobalThumbCache) window.pkGlobalThumbCache = new Set();
                                window.pkThumbTriState.folder[item.id || lookupId] = 'ok';
                                window.pkGridMediaStore.folder[item.id || lookupId] = foundThumb;
                                window.pkGlobalThumbCache.add(item.id || lookupId);
                            }
                        } else if (item._coverResolved || (isFolder && globalCache.has(lookupId))) {
                            item.thumbnail_link = null;
                            item._coverResolved = false;
                            item._isFolderLike = false;
                            hasValidCover = false;

                            if (typeof window.markStableFolderMediaState === 'function') {
                                window.markStableFolderMediaState(item.id || lookupId, 'fail');
                            } else if (window.pkThumbTriState && window.pkThumbTriState.folder) {
                                window.pkThumbTriState.folder[item.id || lookupId] = 'fail';
                                if (window.pkGridMediaStore && window.pkGridMediaStore.folder) delete window.pkGridMediaStore.folder[item.id || lookupId];
                            }
                        }
                        else if ((isFolder || isTask || isUploadTask) && typeof scannedFolderIds !== 'undefined' && !scannedFolderIds.has(lookupId)) {
                            if (!S.loading && !S.scanning) {
                                scannedFolderIds.add(lookupId);
                                backgroundQueue.push({ id: lookupId, name: 'DeepCoverProbe', retryCount: 0 });
                                if (typeof runBackgroundCrawler === 'function') runBackgroundCrawler();
                            }
                        }
                    }

                    const iconHtml = getIcon(item);
                    const boxStyle = "width:54px; min-width:54px; height:100%; display:flex; align-items:center; justify-content:flex-start !important; margin-right:12px; position:relative;";
                    const placeholderStyle = `position: absolute; left: 0; top: 50%; transform: translateY(-50%); z-index: 1; width: 100%; display: flex; align-items: center; transition: opacity 0.3s; pointer-events: none;`;
                    const imgStyle = "width: 48px; height: 48px; object-fit: cover; border-radius: 4px; margin: 0 !important; background: transparent; position: relative; z-index: 2; transition: opacity 0.3s;";
                    const isDarkTheme = document.body.classList.contains('dark') || document.documentElement.getAttribute('data-theme') === 'dark';
                    const badgeBg = isDarkTheme ? '#303134' : '#FFFFFF';
                    const badgeBorder = isDarkTheme ? '1px solid rgba(255,255,255,0.1)' : '1px solid rgba(0,0,0,0.08)';
                    const badgeShadow = isDarkTheme ? '0 2px 6px rgba(0,0,0,0.4)' : '0 2px 6px rgba(0,0,0,0.15)';
                    const badgeStyle = `position: absolute; bottom: -5px; right: -5px; z-index: 3; width: 24px; height: 24px; border-radius: 50%; background-color: ${badgeBg}; border: ${badgeBorder}; box-shadow: ${badgeShadow}; box-sizing: border-box; transition: opacity 0.3s; pointer-events: none; display: grid; place-items: center; line-height: 0;`;
                    const isBlur = isBlurEnabledForView(isGridView() ? 'grid' : 'list');
                    if (isMax && isBlur) {
                        const fallbackSvg = iconHtml.replace(/"/g, "&quot;").replace(/\n/g, "");
                        return `<div class="pk-max-icon-box" style="${boxStyle}">
                            <img src="${item.icon_link}" style="${imgStyle} opacity:1; object-fit:contain;" draggable="false"
                                 onerror="this.outerHTML='<div class=&quot;pk-placeholder-layer&quot; style=&quot;${placeholderStyle} opacity:1;&quot;>${fallbackSvg}</div>'">
                            ${blHtml}
                        </div>`;
                    }

                    if (isMax && item.thumbnail_link && !item.isHeader && item.thumbnail_link !== item.icon_link) {
                        const isCached = window.pkGlobalThumbCache.has(item.id);
                        const phOp = isCached ? '0' : '1';
                        const imgOp = isCached ? '1' : '0';

                        const placeholderContent = `<img src="${item.icon_link}" style="width:44px; height:44px; object-fit:contain;">`;

                        const isFolderLike = isFolder || item._isFolderLike || (item.icon_link && item.icon_link.includes('folder'));
                        const badgeOp = (isFolderLike && isCached) ? '1' : '0';

                        let badgeHtml = '';
                        if (isFolderLike) {
                            const innerContent = `<img src="${item.icon_link}" style="width:16px; height:16px; object-fit:contain; display:block;">`;
                            badgeHtml = `<div class="pk-folder-badge" style="${badgeStyle} opacity: ${badgeOp};">${innerContent}</div>`;
                        }

                        const isVideo = !isFolder && (typeof isGridVideoItem === 'function' ? isGridVideoItem(item) : (item.mime_type && item.mime_type.startsWith('video/')));
                        let videoOvHtml = '';
                        if (isVideo) {
                            const vOp = isCached ? '1' : '0';
                            videoOvHtml = `
                                <div class="pk-video-ov" style="position:absolute; top:0; bottom:0; left:0; right:0; z-index:4; pointer-events:none; opacity:${vOp}; transition:opacity 0.3s; display:flex !important; align-items:center !important; justify-content:center !important;">
                                    <svg viewBox="0 0 24 24" fill="rgba(255, 255, 255, 0.6)" style="width:24px !important; height:24px !important; flex-shrink:0; display:block; filter:drop-shadow(0 1px 3px rgba(0,0,0,0.5)); transform:translateX(-1.5px); margin:0 !important; padding:0 !important;">
                                        <path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 14.5v-9l6 4.5-6 4.5z"/>
                                    </svg>
                                </div>`;
                        }

                        return `
                                <div class="pk-max-icon-box" style="${boxStyle}">
                                    <div class="pk-placeholder-layer" style="${placeholderStyle} opacity: ${phOp};"><img src="${item.icon_link}" style="width:50px; height:50px; object-fit:contain;"></div>
                                    <img src="${item.thumbnail_link}"
                                         class="pk-max-thumb"
                                         style="${imgStyle} opacity: ${imgOp};"
                                         draggable="false">
                                    ${badgeHtml}
                                    ${videoOvHtml}
                                    ${blHtml}
                                </div>
                            `;
                    }

                    if (isMax) {
                        if (hasValidCover) {
                            const showBadge = isFolder || item._isFolderLike || (item.icon_link && item.icon_link.includes('folder'));
                            let badgeHtml = '';
                            if (showBadge) {
                                const innerIcon = `<img src="${item.icon_link}" style="width:16px; height:16px; object-fit:contain; display:block;">`;
                                badgeHtml = `<div class="pk-folder-badge" style="${badgeStyle} opacity:1;">${innerIcon}</div>`;
                            }

                            return `
                                <div class="pk-max-icon-box" style="${boxStyle}">
                                    <div class="pk-placeholder-layer" style="${placeholderStyle} opacity:0;"><img src="${item.icon_link}" style="width:50px;height:50px;object-fit:contain;"></div>
                                    <img src="${item.thumbnail_link}" class="pk-max-thumb" style="${imgStyle} opacity:1;" draggable="false">
                                    ${badgeHtml}
                                    ${blHtml}
                                </div>
                            `;
                        }
                        const finalIconSrc = item.icon_link || item.thumbnail_link;
                        if (finalIconSrc) {
                            return `<div class="pk-max-icon-box" style="${boxStyle}"><img src="${finalIconSrc}" style="width:50px; height:50px; object-fit:contain;" onerror="this.outerHTML='<div style=&quot;transform:translateX(-6px);display:flex;&quot;>${iconHtml.replace(/"/g, "&quot;").replace(/\n/g, "")}</div>'">${blHtml}</div>`;
                        }
                        return `<div class="pk-max-icon-box" style="${boxStyle}"><div style="transform: translateX(-6px); display:flex;">${iconHtml}</div>${blHtml}</div>`;
                    }

                    const mime = (item.mime_type || '').toLowerCase();
                    const isMedia = item.kind !== 'drive#folder' && (mime.startsWith('image/') || mime.startsWith('video/') || (item.params && item.params.duration > 0));
                    const hasRealThumb = isMedia && item.thumbnail_link && item.thumbnail_link !== item.icon_link;

                    if (hasRealThumb) {
                        if (!window.pkGlobalThumbCache) window.pkGlobalThumbCache = new Set();
                        const isCached = window.pkGlobalThumbCache.has(item.id);
                        const phOp = isCached ? '0' : '1';
                        const imgOp = isCached ? '1' : '0';

                        const placeholder = item.icon_link ? `<img src="${item.icon_link}" style="width:100%;height:100%;object-fit:contain;border-radius:4px;pointer-events:none;">` : iconHtml;
                        return `<div class="pk-min-media-box" style="width:24px;height:24px;margin-right:12px;position:relative;flex-shrink:0;display:inline-flex;vertical-align:middle;overflow:visible !important;border-radius:4px;">
                            <div style="position:absolute;inset:0;overflow:hidden;border-radius:4px;z-index:1;">
                                <div class="pk-min-ph" style="position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:1;transition:opacity 0.2s;opacity:${phOp};">${placeholder}</div>
                                <img src="${item.thumbnail_link}" class="pk-min-thumb" style="position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:${imgOp};z-index:2;transition:opacity 0.2s;"
                                     onload="if(window.pkGlobalThumbCache){window.pkGlobalThumbCache.add('${item.id}');}this.style.opacity='1';this.previousElementSibling.style.opacity='0';"
                                     onerror="this.previousElementSibling.style.opacity='1';this.remove();">
                            </div>
                            ${blHtml}
                        </div>`;
                    }

                    if (item.icon_link) {
                        return `<div class="pk-min-icon" style="position:relative; display:inline-flex; align-items:center; justify-content:center; vertical-align:middle; margin-right:12px; flex-shrink:0; overflow:visible;"><img draggable="false" src="${item.icon_link}" style="width:24px; height:24px; object-fit:contain; border-radius:4px;" onerror="this.style.display='none'; if(this.nextElementSibling) this.nextElementSibling.style.display='inline-flex';"><span style="display:none; align-items:center; justify-content:center;">${iconHtml}</span>${blHtml}</div>`;
                    }
                    return `<div class="pk-min-icon" style="position:relative; display:inline-flex; align-items:center; justify-content:center; vertical-align:middle; margin-right:12px; flex-shrink:0; overflow:visible;">${iconHtml}${blHtml}</div>`;

                };

                const checkboxHtml = `<input type="checkbox" ${isSel ? 'checked' : ''}>`;
                let html = `<div>${checkboxHtml}</div>`;

                if (isGridMode && gridLayout) {
                    getDynamicIcon(d);
                    const isFolder = d.kind === 'drive#folder';
                    const displayDate = fmtDate(d.modified_time);
                    const isVideo = !isFolder && (((d.mime_type || '').toLowerCase().startsWith('video/')) || (d.params && d.params.duration > 0));
                    const displayDur = isVideo ? (d._history_duration || d.params?.duration || 0) : 0;

                    let folderItemCount = null;
                    if (isFolder && !S.trashMode) {
                        let count = d.file_count;

                        if (count === undefined || count === null) count = d.usage?.file_count;
                        if (count === undefined || count === null) count = d.params?.file_count;
                        if (count === undefined || count === null) count = d.audit?.file_count;

                        if ((count === undefined || count === null) && typeof globalCache !== 'undefined') {
                            const cachedData = globalCache.get(d.id);
                            if (cachedData) {
                                const list = Array.isArray(cachedData) ? cachedData : (cachedData.items || []);
                                count = list.length;
                            }
                        }

                        if (count !== undefined && count !== null && count !== '') {
                            const parsed = parseInt(count, 10);
                            if (!Number.isNaN(parsed)) folderItemCount = Math.max(0, parsed);
                        }
                    }

                    const displayFolderCount = folderItemCount === null ? '' : L.grid_folder_count.replace('{n}', folderItemCount);
                    const hasThumb = !!(d.thumbnail_link && d.thumbnail_link !== d.icon_link);


                    const isStarred = S.starredSet.has(d.id) || !!(d.starred || (d.tags && d.tags.some(t => t.name === 'STAR')));
                    const nameDisplay = (S.search && shouldShowHl) ? getSearchHlHTML(d.name, S.search, 160) : esc(d.name);
                    const coverCls = `pk-gv-cover ${isFolder ? 'pk-gv-folder' : 'pk-gv-file'}${hasThumb ? ' pk-gv-has-thumb' : ''}${isBlur && hasThumb ? ' pk-gv-blur' : ''}`;
                    const iconFallback = getIcon(d).replace(/width="\d+"/g, 'width="108"').replace(/height="\d+"/g, 'height="108"');
                    const menuIcon = `<svg viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><circle cx="12" cy="5.5" r="1.8"></circle><circle cx="12" cy="12" r="1.8"></circle><circle cx="12" cy="18.5" r="1.8"></circle></svg>`;
                    ensureGridMediaStore();

                    const gridFileFallbackHtml = `<div class="pk-gv-icon">${iconFallback}</div>`.replace(/"/g, '&quot;').replace(/\n/g, '');

                    const stableFolderMedia = hasThumb ? getStableFolderMediaState(d) : { state: 'none', src: '' };
                    let folderThumbState = stableFolderMedia.state;
                    let folderResolvedSrc = stableFolderMedia.src || d.thumbnail_link || '';

                    if (hasThumb && d.kind === 'drive#folder' && folderResolvedSrc && d._coverResolved && folderThumbState !== 'ok') {
                        if (typeof window.markStableFolderMediaState === 'function') {
                            window.markStableFolderMediaState(d.id, 'ok', folderResolvedSrc);
                        } else {
                            if (!window.pkThumbTriState) window.pkThumbTriState = { folder: Object.create(null) };
                            if (!window.pkGridMediaStore) window.pkGridMediaStore = { folder: Object.create(null) };
                            if (!window.pkGlobalThumbCache) window.pkGlobalThumbCache = new Set();
                            window.pkThumbTriState.folder[d.id] = 'ok';
                            window.pkGridMediaStore.folder[d.id] = folderResolvedSrc;
                            window.pkGlobalThumbCache.add(d.id);
                        }
                        folderThumbState = 'ok';
                    }

                    const folderHasCoverThumb = hasThumb && folderThumbState === 'ok' && !!folderResolvedSrc;

                    if (hasThumb && folderThumbState === 'unknown' && !folderResolvedSrc) {
                        window.pkThumbTriState.folder[d.id] = 'probing';
                    }

                    const makeFolderFallbackHtml = (display = 'flex', opacity = '1') => d.icon_link
                    ? `<span class="pk-gv-folder-base" style="display:${display};align-items:center;justify-content:center;width:100%;height:100%;opacity:${opacity};transition:opacity .18s ease;"><img src="${d.icon_link}" class="pk-gv-folder-fallback" draggable="false" onerror="this.style.display='none'; if(this.nextElementSibling) this.nextElementSibling.style.display='inline-flex';"><span class="pk-gv-folder-fallback" style="display:none;">${iconFallback}</span></span>`
                    : `<span class="pk-gv-folder-base" style="display:${display};align-items:center;justify-content:center;width:100%;height:100%;opacity:${opacity};transition:opacity .18s ease;"><span class="pk-gv-folder-fallback">${iconFallback}</span></span>`;

                    const folderPreviewHtml = folderHasCoverThumb
                    ? `<img src="${folderResolvedSrc}" class="pk-gv-folder-fallback" draggable="false" data-pk-id="${d.id}" data-pk-src="${folderResolvedSrc}" style="position:absolute;inset:0;width:100% !important;height:100% !important;max-width:none !important;max-height:none !important;object-fit:cover !important;border-radius:0 !important;z-index:2;opacity:1;" onload="if(this.dataset.pkId&&this.dataset.pkSrc&&window.markStableFolderMediaState){window.markStableFolderMediaState(this.dataset.pkId,'ok',this.dataset.pkSrc);}else if(window.pkThumbTriState&&window.pkThumbTriState.folder&&this.dataset.pkId){window.pkThumbTriState.folder[this.dataset.pkId]='ok';}" onerror="if(this.dataset.pkId&&window.markStableFolderMediaState){window.markStableFolderMediaState(this.dataset.pkId,'fail');}else if(window.pkThumbTriState&&window.pkThumbTriState.folder&&this.dataset.pkId){window.pkThumbTriState.folder[this.dataset.pkId]='fail';}this.style.display='none';if(this.nextElementSibling)this.nextElementSibling.style.display='flex';">${makeFolderFallbackHtml('none','1')}`
                    : (hasThumb
                       ? `${makeFolderFallbackHtml('flex','1')}<img src="${d.thumbnail_link}" class="pk-gv-folder-fallback" draggable="false" data-pk-id="${d.id}" data-pk-src="${d.thumbnail_link}" style="position:absolute;inset:0;width:100% !important;height:100% !important;max-width:none !important;max-height:none !important;object-fit:cover !important;border-radius:0 !important;z-index:2;opacity:0;transition:opacity .18s ease;" onload="if(this.dataset.pkId&&this.dataset.pkSrc&&window.markStableFolderMediaState){window.markStableFolderMediaState(this.dataset.pkId,'ok',this.dataset.pkSrc);}else if(window.pkThumbTriState&&window.pkThumbTriState.folder&&this.dataset.pkId){window.pkThumbTriState.folder[this.dataset.pkId]='ok';if(window.pkGlobalThumbCache)window.pkGlobalThumbCache.add(this.dataset.pkId);}this.style.opacity='1';if(this.previousElementSibling)this.previousElementSibling.style.opacity='0';" onerror="if(this.dataset.pkId&&window.markStableFolderMediaState){window.markStableFolderMediaState(this.dataset.pkId,'fail');}else if(window.pkThumbTriState&&window.pkThumbTriState.folder&&this.dataset.pkId){window.pkThumbTriState.folder[this.dataset.pkId]='fail';}this.remove();">`
                       : makeFolderFallbackHtml('flex','1'));

                    const gridIconFallbackHtml = iconFallback.replace(/"/g, '&quot;').replace(/\n/g, '');

                    const showFolderAnalyzeSize = isFolder && S.analyzeMode && !S.analyzeSimGroups && d.size !== undefined && d.size !== null && d.size !== '';
                    const showFolderDedupeSize = isFolder && S.analyzeMode && !!S.analyzeSimGroups && d.size !== undefined && d.size !== null && d.size !== '';
                    const folderSizeHtml = (showFolderAnalyzeSize || showFolderDedupeSize) ? `<span class="pk-gv-meta-item pk-gv-size">${fmtSize(d.size)}</span><span class="pk-gv-meta-sep"></span>` : '';
                    const metaHtml = isFolder
                    ? `<div class="pk-gv-meta"><span class="pk-gv-date-wrap">${folderSizeHtml}<span class="pk-gv-meta-item pk-gv-date">${displayDate}</span>${displayFolderCount ? `<span class="pk-gv-meta-sep"></span><span class="pk-gv-meta-item pk-gv-fcount">${displayFolderCount}</span>` : ''}</span></div>`
                    : `<div class="pk-gv-meta"><span class="pk-gv-meta-item pk-gv-size">${fmtSize(d.size)}</span><span class="pk-gv-meta-sep"></span><span class="pk-gv-date-wrap"><span class="pk-gv-meta-item pk-gv-date">${displayDate}</span>${displayDur > 0 ? `<span class="pk-gv-meta-sep"></span><span class="pk-gv-meta-item pk-gv-dur">${fmtDur(displayDur)}</span>` : ''}</span></div>`;
                    const cleanName = (d.name || "").replace(/[\r\n\v\f\u2028\u2029]+/g, ' ').trim().toLowerCase();
                    const isBlMarked = isFolder ? (S.blFolderSet && S.blFolderSet.has(cleanName)) : (S.blSet && S.blSet.has(cleanName));
                    const gridBlHtml = isBlMarked ? `<span class="pk-gv-bl" data-bl="active">${CONF.icons.blMarker}</span>` : '';
                    const videoPlayDisplay = 'none';
                    html = `
                    <div class="pk-grid-card-body">
                            <label class="pk-gv-check">${checkboxHtml}</label>
                            <button class="pk-gv-more" type="button">${menuIcon}</button>
                            <div class="${coverCls}">
                                <div class="pk-gv-media-mount" data-pk-id="${d.id}" data-pk-media-key="" data-pk-icon-fallback="${gridIconFallbackHtml}" data-pk-file-fallback="${gridFileFallbackHtml}"></div>
                                ${isVideo && hasThumb ? `<div class="pk-gv-play" style="display:${videoPlayDisplay};"><svg viewBox="0 0 24 24" fill="currentColor"><path d="M8 6.5v11l9-5.5-9-5.5z"></path></svg></div>` : ''}
                                ${isStarred ? `<span class="pk-gv-fav${isFolder ? ' pk-gv-fav-folder' : ''}">${_internalGetStarIcon(true).replace('pk-star-toggle', 'pk-star-icon')}</span>` : ''}
                                ${gridBlHtml}
                            </div>
                            <div class="pk-gv-info">
                                <div class="pk-name">
                                    <div class="pk-name-main">
                                        <span class="pk-name-txt">${nameDisplay}</span>
                                        ${isProtected ? `<span class="pk-tag-default">${L.tag_default}</span>` : ''}
                                    </div>
                                </div>
                                ${metaHtml}
                            </div>
                        </div>
                    `;
                } else if (S.historyMode) {
                    const isStarred = S.starredSet.has(d.id) || !!(d.starred || (d.tags && d.tags.some(t => t.name === 'STAR')));
                    const starColor = isStarred ? '#FFC107' : '#ccc';
                    const starFill = isStarred ? '#FFC107' : 'none';
                    html += `<div style="display:flex; align-items:center; justify-content:center;"><svg class="pk-star-icon" width="16" height="16" viewBox="0 0 24 24" fill="${starFill}" stroke="${starColor}" stroke-width="2" style="cursor:default; opacity:0.8;"><path d="M12 2l3.09 6.26L22 9.27l-5 4.87 1.18 6.88L12 17.77l-6.18 3.25L7 14.14 2 9.27l6.91-1.01L12 2z"></path></svg></div>`;
                    let iconImg = getDynamicIcon(d);
                    if (isMax) {
                        if (iconImg.includes('margin-right:12px')) iconImg = iconImg.replace('margin-right:12px', 'margin-right:20px');
                        else if (!iconImg.includes('margin-right')) iconImg = iconImg.replace(/style=['"]/, '$&margin-right:20px; ');
                    }
                    const nameDisplay = (S.search && shouldShowHl) ? getSearchHlHTML(d.name, S.search, charCapacity) : esc(d.name);
                    html += `<div class="pk-name" ${d.thumbnail_link ? `data-pk-thumb="${d.thumbnail_link}"` : ''} data-pk-tip="${nameTip}">
                        ${iconImg}
                        <span class="pk-name-txt">${nameDisplay}</span>
                    </div>`;

                    html += `<div>${fmtSize(d.size)}</div>`;

                    const displayDur = d._history_duration || d.params?.duration || 0;
                    html += `<div>${displayDur > 0 ? fmtDur(displayDur) : '-'}</div>`;

                    let progressHtml = '-';
                    const curT = d._history_progress || 0;
                    const totalT = displayDur;
                    if (totalT > 0) {
                        const pct = Math.min(100, Math.max(0, (curT / totalT) * 100)).toFixed(1);
                        progressHtml = `
                            <div style="width:100%; display:flex; flex-direction:column; justify-content:center; gap:2px;">
                                <div style="display:flex; justify-content:space-between; font-size:13px; color:var(--pk-fg); line-height:1.2; font-weight:normal;">
                                    <span>${fmtDur(curT)}</span>
                                    <span>${parseInt(pct)}%</span>
                                </div>
                                <div style="width:100%; height:4px; background:var(--pk-bd); border-radius:2px; overflow:hidden;">
                                    <div style="width:${pct}%; height:100%; background:var(--pk-pri);"></div>
                                </div>
                            </div>
                        `;
                    }
                    html += `<div style="padding-right:10px;">${progressHtml}</div>`;

                    let playTimeStr = '-';
                    if (d._history_ts > 0) {
                        playTimeStr = fmtDate(new Date(d._history_ts).toISOString());
                    } else {
                        playTimeStr = "-";
                    }
                    html += `<div style="color:var(--pk-fg); font-weight:normal;">${playTimeStr}</div>`;

                } else if (S.offlineMode) {
                    let iconImg = getDynamicIcon(d);
                    if (isMax) {
                        if (iconImg.includes('margin-right:12px')) {
                            iconImg = iconImg.replace('margin-right:12px', 'margin-right:20px');
                        } else if (!iconImg.includes('margin-right')) {
                            iconImg = iconImg.replace(/style=['"]/, '$&margin-right:20px; ');
                        }
                    }
                    const isFailed = d.phase === 'PHASE_TYPE_ERROR';
                    const isNavigable = !!d.file_id && !isFailed;
                    const isTaskDone = d.phase === 'PHASE_TYPE_COMPLETE';
                    const nameStyle = isNavigable ? 'cursor:pointer; opacity:1;' : 'cursor:default; pointer-events:none; color:inherit; opacity:0.6;';
                    const isMedia = d.mime_type && (d.mime_type.startsWith('video/') || d.mime_type.startsWith('image/'));
                    const hasResolvedCover = d._coverResolved && d.thumbnail_link;
                    const thumbAttr = (isTaskDone && (isMedia || hasResolvedCover)) ? `data-pk-thumb="${d.thumbnail_link}"` : '';
                    const nameDisplay = S.search ? getSearchHlHTML(d.name, S.search, charCapacity) : esc(d.name);
                    html += `<div class="pk-name" ${thumbAttr} data-pk-tip="${nameTip}">
                        ${iconImg}
                        <span class="pk-name-txt" style="${nameStyle}">${nameDisplay}</span>
                    </div>`;

                    html += `<div>${fmtSize(d.size)}</div>`;

                    let statusHtml = '';
                    let statusColor = 'var(--pk-fg)';
                    let statusText = d.phase;

                    if (d.phase === 'PHASE_TYPE_COMPLETE') {
                        statusColor = '#52c41a';
                        statusText = L.lbl_up_done;
                    } else if (d.phase === 'PHASE_TYPE_RUNNING') {
                        statusColor = '#1890ff';
                        statusText = L.lbl_up_downloading;
                    } else if (d.phase === 'PHASE_TYPE_ERROR') {
                        statusColor = '#ff4d4f';
                        statusText = L.str_failed;
                    } else if (d.phase === 'PHASE_TYPE_PENDING') {
                        statusText = L.msg_task_waiting;
                    } else if (d.phase === 'PHASE_TYPE_PAUSED') {
                        statusText = L.msg_task_paused;
                    }

                    if (d.phase === 'PHASE_TYPE_ERROR' && d.message) {
                        statusText = d.message;
                    }

                    html += `<div style="color:${statusColor}; font-size:12px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;" data-pk-tip="${esc(statusText)}">${statusText}</div>`;

                    let progressHtml = '';
                    if (d.phase === 'PHASE_TYPE_COMPLETE') {
                        progressHtml = `<div style="color:#52c41a; font-weight:bold;">100%</div>`;
                    } else if (d.phase === 'PHASE_TYPE_ERROR') {
                        progressHtml = `<div style="color:#ff4d4f;">-</div>`;
                    } else {
                        const pct = d.progress || 0;
                        progressHtml = `
                            <div style="width:100px; height:6px; background:var(--pk-bd); border-radius:3px; overflow:hidden; margin-right:8px;">
                                <div style="width:${pct}%; height:100%; background:var(--pk-pri); transition:width 0.3s;"></div>
                            </div>
                            <div style="font-size:12px; font-variant-numeric:tabular-nums;">${pct}%</div>
                        `;
                    }
                    html += `<div style="display:flex; align-items:center;">${progressHtml}</div>`;

                }
                else if (S.uploadMode) {
                    if (!d.mime_type && d.file) d.mime_type = d.file.type;

                    const nameDisplay = shouldShowHl ? getSearchHlHTML(d.name, S.search, charCapacity) : esc(d.name);
                    const isDone = d.status === 'DONE';
                    const nameStyle = isDone ? '' : 'cursor:default; pointer-events:none; color:inherit;';

                    if (isDone && d.file && d.mime_type && d.mime_type.startsWith('image/')) {
                        if (!d._localThumbUrl) {
                            try { d._localThumbUrl = URL.createObjectURL(d.file); } catch(e) {}
                        }
                        if (d._localThumbUrl) d.thumbnail_link = d._localThumbUrl;
                    }

                    const hasResolvedCover = isDone && d.thumbnail_link && d.thumbnail_link !== d.icon_link;
                    const thumbAttr = hasResolvedCover ? `data-pk-thumb="${d.thumbnail_link}"` : '';

                    html += `<div class="pk-name" ${thumbAttr} data-pk-tip="${nameTip}" style="display:flex; align-items:center; height:100%; overflow:visible;">
                        ${getDynamicIcon(d)}
                        <span class="pk-name-txt" style="margin:0!important; padding:0!important; line-height:1.5; ${nameStyle}">${nameDisplay}</span>
                    </div>`;

                    html += `<div>${fmtSize(d.size)}</div>`;
                    html += `<div class="pk-up-spd">${(d.status === 'UPLOADING' && S.upMng) ? S.upMng.fmtSpeed(d.speed) : '-'}</div>`;

                    let statusColor = '#888';
                    const activeStatus = ['UPLOADING', 'HASHING', 'WAITING', 'RUNNING'];
                    if (activeStatus.includes(d.status)) statusColor = 'var(--pk-pri)';
                    else if (d.status === 'DONE') statusColor = '#52c41a';
                    else if (d.status === 'ERROR') statusColor = '#d93025';
                    else if (d.status === 'PAUSED') statusColor = '#faad14';

                    html += `
                        <div style="display:flex; flex-direction:column; justify-content:center; gap:4px; width:100%; min-width:0;">
                            <div style="display:flex; justify-content:space-between; font-size:12px; min-width:0;">
                                <span class="pk-force-tip" style="color:${statusColor}; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; padding-right:8px; display:block;" data-pk-tip="${esc(d.message)}">${esc(d.message)}</span>
                                <span class="pk-up-prog-txt" style="flex-shrink:0;">${Math.floor(d.progress)}%</span>
                            </div>
                            <div style="width:100%; height:4px; background:var(--pk-bd); border-radius:2px; overflow:hidden; flex-shrink:0;">
                                <div class="pk-up-prog-bar" style="width:${d.progress}%; height:100%; background:${statusColor}; transition:width 0.2s;"></div>
                            </div>
                        </div>
                    `;
                }
                else if (S.shareMode) {
                    const iconUrl = d.icon_link;
                    let iconImg = '';

                    const isShareDisabled = (d.share_status === 'DELETED') || (d.limit_count > 0 && d.save_count >= d.limit_count);
                    const lockHtml = d.pass_code ? `<div class="pk-share-lock">${CONF.icons.lock}</div>` : '';

                    if (isShareDisabled) {
                        iconImg = `<div class="pk-share-icon-wrap pk-share-icon-disabled" draggable="false" style="opacity:0.6;">${CONF.typeIcons.file}</div>`;
                    } else {
                        const currentIcon = getDynamicIcon(d);
                        const isUsingThumb = currentIcon.includes('pk-max-thumb');

                        if (isUsingThumb) {
                            iconImg = `<div class="pk-share-icon-wrap" style="margin-right:20px !important;">${currentIcon}${lockHtml}</div>`;
                        } else if (iconUrl) {
                            iconImg = `<div class="pk-share-icon-wrap" draggable="false" style="display:flex;align-items:center;justify-content:center;"><img draggable="false" src="${iconUrl}" style="width:24px;height:24px;object-fit:contain;flex-shrink:0;">${lockHtml}</div>`;
                        } else {
                            const isFolder = d.kind === 'drive#folder';
                            iconImg = `<div class="pk-share-icon-wrap" draggable="false"><div style="width:100%;height:100%;${isFolder?'':'transform:scale(1.08);'}">${getIcon(d)}</div>${lockHtml}</div>`;
                        }
                    }

                    const nameDisplay = shouldShowHl ? getSearchHlHTML(d.name, S.search, charCapacity) : esc(d.name);
                    html += `<div class="pk-name" data-pk-tip="${nameTip}">
                        ${iconImg}
                        <span class="pk-name-txt" style="${isShareDisabled ? 'cursor:default; pointer-events:none;' : ''}">${nameDisplay}</span>
                    </div>`;

                    html += `<div style="text-align:left; padding-left:2px; font-variant-numeric:tabular-nums;">${d.view_count || 0}</div>`;

                    const saveVal = d.limit_count > 0 ? `${d.save_count || 0}/${d.limit_count}` : (d.save_count || 0);
                    const saveTip = d.limit_count > 0 ? `${L.lbl_limit_tip}: ${d.limit_count}` : '';
                    const saveClass = d.limit_count > 0 ? "pk-force-tip" : "";
                    html += `<div class="${saveClass}" style="text-align:left; padding-left:2px; font-variant-numeric:tabular-nums; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;" data-pk-tip="${saveTip}">${saveVal}</div>`;

                    let statusColor = 'inherit';
                    let statusText = '';
                    const timeLeft = d.expiration_left || "";

                    if (d.share_status !== 'OK') {
                        statusColor = '#ff4d4f';
                        statusText = (d.save_count >= d.limit_count && d.limit_count > 0) ? (L.lbl_limit_reached) : (d.share_status_text || d.share_status);
                    } else if (d.expiration_days === "-1" || timeLeft === "-1") {
                        statusColor = '#52c41a';
                        statusText = L.share_perm;
                    } else {
                        statusText = timeLeft + (L.str_expire_suffix);
                        const isUrgent = timeLeft.includes('小时') || timeLeft.includes('hour') || timeLeft.includes('时间') || timeLeft.includes('时间');
                        statusColor = isUrgent ? '#ff4d4f' : 'inherit';
                    }
                    html += `<div style="text-align:center;color:${statusColor};font-size:12px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;" data-pk-tip="${esc(statusText)}">${statusText}</div>`;

                    const shareDate = fmtDate(d.modified_time);
                    html += `<div style="text-align:right;font-size:12px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;" data-pk-tip="${shareDate}">${shareDate}</div>`;

                } else {
                    const isRoot = S.path.length === 1 && S.path[0].id === '';
                    const isStarred = S.starredSet.has(d.id) || !!(d.starred || (d.tags && d.tags.some(t => t.name === 'STAR')));
                    const starColor = isStarred ? '#FFC107' : '#ccc';
                    const starFill = isStarred ? '#FFC107' : 'none';

                    let displayPath = rootPathStr;
                    let shortPath = "";

                    if (S.trashMode) {
                        if (d._lineage && Array.isArray(d._lineage)) {
                            shortPath = d._lineage.map(p => p.name).join('/');
                            displayPath = shortPath;
                        }
                    } else if (d._lineage && Array.isArray(d._lineage)) {
                        const relativePath = d._lineage.map(p => p.name).join('/');
                        shortPath = relativePath;

                        if (isGlobalSearchRoot) {
                            displayPath = L.btn_nav_home + (relativePath ? '/' + relativePath : '');
                        } else if (S.analyzeMode) {
                            displayPath = relativePath || L.btn_nav_home;
                        } else if (relativePath) {
                            displayPath = rootPathStr + '/' + relativePath;
                        } else {
                            displayPath = rootPathStr;
                        }
                    } else if (isGlobalSearchRoot) {
                        displayPath = L.btn_nav_home;
                        shortPath = "";
                    }

                    if (S.trashMode) {
                        html += `<div style="display:flex; align-items:center; justify-content:center;"><svg class="pk-star-icon" width="16" height="16" viewBox="0 0 24 24" fill="${starFill}" stroke="${starColor}" stroke-width="2" style="cursor:default; opacity:0.8;"><path d="M12 2l3.09 6.26L22 9.27l-5 4.87 1.18 6.88L12 17.77l-6.18 3.25L7 14.14 2 9.27l6.91-1.01L12 2z"></path></svg></div>`;
                    } else {
                        if (isProtected) html += `<div></div>`;
                        else html += `<div style="display:flex; align-items:center; justify-content:center;"><svg class="pk-star-icon" width="16" height="16" viewBox="0 0 24 24" fill="${starFill}" stroke="${starColor}" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="cursor:default; opacity:0.8;"><polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon></svg></div>`;
                    }

                    const isRealThumb = d.thumbnail_link && d.thumbnail_link !== d.icon_link;
                    const thumbAttr = isRealThumb ? `data-pk-thumb="${d.thumbnail_link}"` : '';
                    const nameDisplay = (S.search && shouldShowHl) ? getSearchHlHTML(d.name, S.search, charCapacity) : esc(d.name);

                    html += `<div class="pk-name" ${thumbAttr} data-pk-tip="${nameTip}" style="${isProtected ? 'opacity:1;' : ''}">${getDynamicIcon(d)}<span class="pk-name-txt">${nameDisplay}</span>${isProtected ? `<span class="pk-tag-default">${L.tag_default}</span>` : ''}</div>`;

                    if (showPathCol) {
                        let pathHtml = '';
                        const homeIcon = `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="margin-right:4px;flex-shrink:0;vertical-align:-4px;"><path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"></path><polyline points="9 22 9 12 15 12 15 22"></polyline></svg>`;
                        const homeText = L.btn_nav_home;
                        let homeQuery = S.search;
                        let restQuery = S.search;
                        let isSlashMatched = false;
                        if (S.search) {
                            const qLower = S.search.toLowerCase();
                            const hLower = homeText.toLowerCase();
                            if (qLower.startsWith(hLower + '/')) {
                                homeQuery = S.search.substring(0, homeText.length);
                                restQuery = S.search.substring(homeText.length + 1);
                                isSlashMatched = true;
                            }
                        }
                        const isHomeMatched = shouldShowHl && homeQuery && homeText.toLowerCase().includes(homeQuery.toLowerCase());
                        const homeDisplay = isHomeMatched ? getSearchHlHTML(homeText, homeQuery, 20) : esc(homeText);
                        const prefix = homeText + '/';
                        const rootStyle = isMax? "display:inline-flex;align-items:baseline;flex-shrink:0;margin-right:2px;": "display:inline-flex;align-items:baseline;flex-shrink:0;line-height:1.2;padding-bottom:0;";
                        const contentStyle = isMax ? '' : 'overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.5;padding-bottom:2px;';
                        const containerStyle = isMax? "display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-all;line-height:1.4;white-space:normal;color:var(--pk-fg);": "display:flex;align-items:center;overflow:hidden;white-space:nowrap;color:var(--pk-fg);line-height:1.5;padding-bottom:2px;";

                        if (isAnalyzeRoot) {
                            const pStr = d._pathStr || d.path || "";
                            displayPath = pStr;
                            let isSameAsPrev = d._isSameFolder || false;
                            if (i > 0) {
                                const prevItem = S.display[i - 1];
                                if (!prevItem.isHeader) {
                                    const prevPStr = prevItem._pathStr || prevItem.path || "";
                                    if (prevPStr === pStr) isSameAsPrev = true;
                                    else isSameAsPrev = false;
                                } else {
                                    isSameAsPrev = false;
                                }
                            } else {
                                isSameAsPrev = false;
                            }
                            if (isSameAsPrev) {
                                pathHtml = `<span style="color:var(--pk-fg);">${L.str_same_folder}</span>`;
                            } else {
                                let content = pStr;
                                if (pStr === homeText) content = "";
                                else if (pStr.startsWith(prefix)) content = pStr.substring(prefix.length);

                                let hq = restQuery;
                                let sm = isSlashMatched;
                                if (hq.endsWith('/')) hq = hq.slice(0, -1);
                                if (hq.startsWith('/') && content.toLowerCase().startsWith(hq.substring(1).toLowerCase())) {
                                    sm = true;
                                    hq = hq.substring(1);
                                }
                                const sDisp = (shouldShowHl && sm) ? `<b style="color:var(--pk-match-fg); background:var(--pk-match-bg); border-radius:2px; padding:0 2px;">/</b>` : '/';
                                const sHtml = `<span style="margin:0 1px;line-height:1.5;padding-bottom:2px;">${sDisp}</span>`;

                                const includePath = UI.chkSearchPath && UI.chkSearchPath.checked;
                                const pathDisplay = (shouldShowHl && includePath && content)
                                    ? getSearchHlHTML(content, hq, pathCharCapacity)
                                    : esc(content);

                                let innerHtml = `<span style="${rootStyle}">${homeIcon}<span style="${isMax ? '' : 'transform:translateY(-2px);'}">${homeDisplay}</span></span>`;
                                if (content) {
                                    innerHtml += `${sHtml}<span style="${contentStyle}">${pathDisplay}</span>`;
                                }
                                pathHtml = `<div style="${containerStyle}">${innerHtml}</div>`;
                            }
                        }
                        else if (S.dupMode) {
                            let isSameAsPrev = d._isSameFolder || false;
                            const rawPath = d._dupFullPath || "";
                            if (i > 0) {
                                const prevItem = S.display[i - 1];
                                if (!prevItem.isHeader) {
                                    const prevRawPath = prevItem._dupFullPath || "";
                                    if (prevRawPath === rawPath) isSameAsPrev = true;
                                    else isSameAsPrev = false;
                                } else {
                                    isSameAsPrev = false;
                                }
                            } else {
                                isSameAsPrev = false;
                            }

                            if (isSameAsPrev) {
                                pathHtml = `<span style="color:var(--pk-fg);">${L.str_same_folder}</span>`;
                            } else {
                                let realPath = rawPath;

                                if (rawPath === L.current_dir) {
                                    realPath = rootPathStr;
                                } else {
                                    if (!rawPath.startsWith(rootPathStr)) {
                                        realPath = rootPathStr + '/' + rawPath;
                                    }
                                }

                                let contentStr = realPath;
                                if (realPath === homeText) {
                                    contentStr = "";
                                } else if (realPath.startsWith(prefix)) {
                                    contentStr = realPath.substring(prefix.length);
                                }

                                let hq = restQuery;
                                let sm = isSlashMatched;
                                if (hq.endsWith('/')) hq = hq.slice(0, -1);
                                if (hq.startsWith('/') && contentStr.toLowerCase().startsWith(hq.substring(1).toLowerCase())) {
                                    sm = true;
                                    hq = hq.substring(1);
                                }
                                const sDisp = (shouldShowHl && sm) ? `<b style="color:var(--pk-match-fg); background:var(--pk-match-bg); border-radius:2px; padding:0 2px;">/</b>` : '/';
                                const sHtml = `<span style="margin:0 1px;line-height:1.5;padding-bottom:2px;">${sDisp}</span>`;

                                const includePath = UI.chkSearchPath && UI.chkSearchPath.checked;
                                const pathDisplay = (shouldShowHl && includePath && contentStr)
                                    ? getSearchHlHTML(contentStr, hq, pathCharCapacity)
                                    : esc(contentStr);

                                let innerHtml = `<span style="${rootStyle}">${homeIcon}<span style="${isMax ? '' : 'transform:translateY(-2px);'}">${homeDisplay}</span></span>`;
                                if (contentStr) {
                                    innerHtml += `${sHtml}<span style="${contentStyle}">${pathDisplay}</span>`;
                                }
                                pathHtml = `<div style="${containerStyle}">${innerHtml}</div>`;
                            }
                        } else {
                            let fullPathStr = "";

                            if (d._lineage === null && d.parent_id && d.parent_id !== 'root') {
                                pathHtml = `<span style="color:#ccc; font-size:12px;">...</span>`;
                                displayPath = null;
                            }
                            else if (isGlobalSearchRoot) {
                                fullPathStr = shortPath;
                            } else {
                                if (displayPath && displayPath.startsWith(prefix)) {
                                    fullPathStr = displayPath.substring(prefix.length);
                                } else {
                                    fullPathStr = shortPath;
                                }
                            }
                            let isSameAsPrev = false;
                            if (i > 0) {
                                const prevItem = S.display[i - 1];
                                if (!prevItem.isHeader) {
                                    let prevPathStr = "";
                                    if (S.analyzeMode) {
                                        prevPathStr = prevItem._pathStr || "";
                                    } else {
                                        if (prevItem._lineage) prevPathStr = prevItem._lineage.map(x=>x.name).join('/');
                                    }
                                    if (prevPathStr === shortPath) isSameAsPrev = true;
                                }
                            }
                            if (displayPath !== null) {
                                if (isSameAsPrev) {
                                    pathHtml = `<span style="color:var(--pk-fg);">${L.str_same_folder}</span>`;
                                } else {
                                    let hq = restQuery;
                                    let sm = isSlashMatched;
                                    if (hq.endsWith('/')) hq = hq.slice(0, -1);
                                    if (hq.startsWith('/') && fullPathStr.toLowerCase().startsWith(hq.substring(1).toLowerCase())) {
                                        sm = true;
                                        hq = hq.substring(1);
                                    }
                                    const sDisp = (shouldShowHl && sm) ? `<b style="color:var(--pk-match-fg); background:var(--pk-match-bg); border-radius:2px; padding:0 2px;">/</b>` : '/';
                                    const sHtml = `<span style="margin:0 1px;line-height:1.5;padding-bottom:2px;">${sDisp}</span>`;

                                    const includePath = UI.chkSearchPath && UI.chkSearchPath.checked;
                                    const pathDisplay = (shouldShowHl && includePath && fullPathStr)
                                        ? getSearchHlHTML(fullPathStr, hq, pathCharCapacity)
                                        : esc(fullPathStr);

                                    let innerHtml = `<span style="${rootStyle}">${homeIcon}<span style="${isMax ? '' : 'transform:translateY(-2px);'}">${homeDisplay}</span></span>`;
                                    if (fullPathStr) {
                                        innerHtml += `${sHtml}<span style="${contentStyle}">${pathDisplay}</span>`;
                                    }
                                    pathHtml = `<div style="${containerStyle}">${innerHtml}</div>`;
                                }
                            }
                        }

                        let pathTipHtml = getTooltipHlHTML(displayPath || "", S.search);
                        if (displayPath && displayPath.startsWith(homeText)) {
                            const rest = displayPath.substring(homeText.length);
                            const homeDisplayTip = getTooltipHlHTML(homeText, homeQuery);

                            let restDisplayTip = '';
                            if (rest.startsWith('/')) {
                                const pureRest = rest.substring(1);
                                let hq = restQuery;
                                let sm = isSlashMatched;
                                if (hq.endsWith('/')) hq = hq.slice(0, -1);
                                if (hq.startsWith('/') && pureRest.toLowerCase().startsWith(hq.substring(1).toLowerCase())) {
                                    sm = true;
                                    hq = hq.substring(1);
                                }
                                const slashTip = (shouldShowHl && sm) ? `<b style="color:var(--pk-match-fg); background:var(--pk-match-bg); border-radius:2px; padding:0 2px;">/</b>` : '/';
                                restDisplayTip = slashTip + getTooltipHlHTML(pureRest, hq);
                            } else {
                                restDisplayTip = getTooltipHlHTML(rest, restQuery);
                            }

                            const homeGroup = `<span style="display:inline-flex;align-items:center;vertical-align:bottom;">${homeIcon}${homeDisplayTip}</span>`;
                            pathTipHtml = `<div style="line-height:1.6;word-break:break-all;">${homeGroup}${restDisplayTip}</div>`;
                        }

                        html += `<div class="pk-path" style="font-size:12px; overflow:hidden; text-overflow:ellipsis; ${isMax ? '' : 'white-space:nowrap;'} padding-right:10px; padding-bottom:2px;" data-pk-tip="${pathTipHtml.replace(/"/g, '&quot;')}">${pathHtml}</div>`;
                    }

                    const displaySize = (d.kind === 'drive#folder' && !S.analyzeMode) ? '-' : fmtSize(d.size);
                    html += `<div>${displaySize}</div>`;

                    if (!isAnalyzeRoot) {
                        const isFolder = d.kind === 'drive#folder';
                        const displayDur = S.durationMap.get(d.id) || d.params?.duration || 0;

                        const mime = (d.mime_type || '').toLowerCase();
                        const ext = (d.name || '').split('.').pop().toLowerCase();
                        const isVideoFormat =['mp4','mkv','avi','mov','wmv','flv','webm','ts'].includes(ext);
                        const isVideo = !isFolder && (mime.startsWith('video/') || isVideoFormat || displayDur > 0);

                        let durHtml = "-";

                        if (isFolder) {
                            if (!S.trashMode) {
                                let count = d.file_count;

                                if ((count === undefined || count === null) && typeof globalCache !== 'undefined') {
                                    const cachedData = globalCache.get(d.id);
                                    if (cachedData) {
                                        const list = Array.isArray(cachedData) ? cachedData : (cachedData.items ||[]);
                                        count = list.length;
                                    }
                                }

                                const hasCount = count !== undefined && count !== null;

                                if (hasCount) {
                                    durHtml = `${count} ${L.str_items}`;
                                }
                            }
                        } else if (isVideo && displayDur > 0) {
                            durHtml = fmtDur(displayDur);
                        } else {
                            const rawName = d.name || "";
                            const lastDot = rawName.lastIndexOf('.');
                            if (lastDot > 0) {
                                const extUpper = rawName.substring(lastDot + 1).toUpperCase();

                                const SETS = {
                                    vid: new Set(['MP4','MKV','AVI','MOV','WMV','FLV','WEBM','TS','M4V','3GP','MPG','MPEG','RM','RMVB','ASF','VOB','DAT','DIVX','F4V','M2TS','MTS','TP','TRP','OGV','MPE','M2V','M3U8']),
                                    aud: new Set(['MP3','WAV','FLAC','AAC','OGG','WMA','APE','M4A','AMR','OPUS','M4B','ALAC','AIFF','MID','MIDI','RA','DTS','AC3','DSF','DFF']),
                                    img: new Set(['JPG','JPEG','PNG','GIF','BMP','WEBP','SVG','TIF','TIFF','ICO','HEIC','HEIF','RAW','CR2','NEF','ARW','DNG','ORF','AVIF','PSD','AI','EPS','JFIF','JPE']),
                                    doc: new Set(['TXT','HTML','PDF','PPTX','CHM','DOCX','XLSX','HTM','DOC','DWG','MDB','PPT','XLS','RTF','ODT','ODS','ODP','EPUB','MOBI','AZW3','DJVU','CBZ','CBR','MD','LOG','CSV','XML','JSON']),
                                    app: new Set(['APK','EXE','IPA','DMG','RPM','DEB','MSI','PKG','XAPK','APKS','AAB','JAR','BIN','SH','BAT','CMD']),
                                    arc: new Set(['ZIP','RAR','7Z','TAR','GZ','ISO','CAB','BZ2','XZ','TGZ','WIM','ESD','IMG','ZST','LZH']),
                                    sub: new Set(['SRT','ASS','SSA','VTT','SMI','SUB','IDX','SUP','LRC'])
                                };

                                if (SETS.img.has(extUpper)) durHtml = `${extUpper} ${L.type_img}`;
                                else if (SETS.arc.has(extUpper) || /^(PART\d+|\d{3}|[RZ]\d{2})$/.test(extUpper)) durHtml = `${extUpper} ${L.type_archive}`;
                                else if (SETS.doc.has(extUpper)) durHtml = `${extUpper} ${L.type_doc}`;
                                else if (SETS.sub.has(extUpper)) durHtml = `${extUpper} ${L.type_sub}`;
                                else if (SETS.app.has(extUpper)) durHtml = `${extUpper} ${L.type_app}`;
                                else if (SETS.aud.has(extUpper)) durHtml = `${extUpper} ${L.cat_audio}`;
                                else if (SETS.vid.has(extUpper)) durHtml = `${extUpper} ${L.cat_video}`;
                                else durHtml = `${extUpper} ${L.type_suffix}`;
                            } else {
                                durHtml = L.type_suffix;
                            }
                        }

                        html += `<div data-pk-tip="${durHtml}">${durHtml}</div>`;
                    }

                    const dateTxt = S.trashMode ? getRemainingDays(d.modified_time) : fmtDate(d.modified_time);
                    html += `<div data-pk-tip="${dateTxt}">${dateTxt}</div>`;
                }


                row.innerHTML = html;

                row.dataset.pkBoundId = d.id || '';
                row.dataset.pkBoundKind = d.kind || '';

                if (isGridMode && typeof patchFrozenGridMedia === 'function') {
                    patchFrozenGridMedia(row, d, prevGridMediaNode, prevGridMediaKey);
                }

                const thumbImg = row.querySelector('.pk-max-thumb, .pk-min-thumb');
                if (thumbImg) {
                    const toggleThumb = () => {
                        if(window.pkGlobalThumbCache) window.pkGlobalThumbCache.add(d.id);
                        thumbImg.style.opacity = '1';

                        const placeholder = thumbImg.previousElementSibling;
                        if (placeholder && (placeholder.classList.contains('pk-placeholder-layer') || placeholder.classList.contains('pk-min-ph'))) {
                            placeholder.style.opacity = '0';
                        }

                        const parent = thumbImg.parentElement;
                        const badge = parent ? parent.querySelector('.pk-folder-badge') : null;
                        if (badge) {
                            badge.style.opacity = '1';
                        }
                        const vidOv = parent ? parent.querySelector('.pk-video-ov') : null;
                        if (vidOv) {
                            vidOv.style.opacity = '1';
                        }

                        if (typeof syncGridVideoPlayState === 'function') {
                            syncGridVideoPlayState(row, d);
                        }

                        if (S.sel.has(d.id) && typeof updateStat === 'function') updateStat();
                    };

                    const handleThumbError = () => {
                        thumbImg.style.display = 'none';
                        if (window.pkGlobalThumbCache) window.pkGlobalThumbCache.delete(d.id);
                        const placeholder = thumbImg.previousElementSibling;
                        if (placeholder && (placeholder.classList.contains('pk-placeholder-layer') || placeholder.classList.contains('pk-min-ph'))) {
                            placeholder.style.opacity = '1';
                        }
                        const parent = thumbImg.parentElement;
                        const badge = parent ? parent.querySelector('.pk-folder-badge') : null;
                        if (badge) {
                            badge.style.opacity = '0';
                        }

                        if (typeof syncGridVideoPlayState === 'function') {
                            syncGridVideoPlayState(row, d);
                        }

                        if (S.sel.has(d.id) && typeof updateStat === 'function') updateStat();
                    };

                    if (thumbImg.complete) {
                        if (thumbImg.naturalWidth > 0) toggleThumb();
                        else handleThumbError();
                    } else {
                        thumbImg.onload = toggleThumb;
                        thumbImg.onerror = handleThumbError;
                    }
                }

                if (!d.isHeader && d.thumbnail_link) {
                    const minIcon = row.querySelector('.pk-min-icon');
                    if (minIcon && !minIcon.querySelector('.pk-proxy-thumb')) {
                        const proxyImg = document.createElement('img');
                        proxyImg.className = 'pk-proxy-thumb';
                        proxyImg.src = d.thumbnail_link;
                        proxyImg.style.cssText = 'position: absolute; top: 0; left: 0; width: 0; height: 0; opacity: 0; pointer-events: none; visibility: hidden;';
                        minIcon.appendChild(proxyImg);
                    }
                }

                const chk = row.querySelector('input');
                const gridMoreBtn = row.querySelector('.pk-gv-more');
                if (gridMoreBtn) {
                    gridMoreBtn.onclick = (evt) => {
                        evt.preventDefault();
                        evt.stopPropagation();
                        const openMenu = () => {
                            const liveRow = UI.in.querySelector(`.pk-row[data-id="${d.id}"]`) || row;
                            const liveBtn = liveRow.querySelector('.pk-gv-more') || gridMoreBtn;
                            const btnRect = liveBtn.getBoundingClientRect();
                            liveRow.dispatchEvent(new MouseEvent('contextmenu', {
                                bubbles: true,
                                cancelable: true,
                                clientX: Math.max(btnRect.left + 8, btnRect.right - 8),
                                clientY: btnRect.bottom + 6,
                                button: 2
                            }));
                        };
                        if (!S.isSelected(d.id) || S.activeId !== d.id) {
                            S.setAllSelection(false);
                            S.setSelected(d.id, true);
                            S.activeId = d.id;
                            S.lastSelIdx = i;
                            renderVisible();
                            updateStat();
                            requestAnimationFrame(openMenu);
                            return;
                        }
                        openMenu();
                    };
                }

                const triggerOpen = () => {
                    if (S.movingIds.has(d.id)) return;

                    if (S.trashMode) return;

                    const checkType = (it) => {
                        const m = (it.mime_type || '').toLowerCase();
                        const n = (it.name || '').toLowerCase();
                        const dur = (it.params && it.params.duration) || 0;
                        const vExts = ['mp4','mkv','avi','mov','wmv','flv','webm','ts','m4v','3gp'];
                        const aExts = ['zip','rar','7z','tar','gz','bz2','xz'];
                        return {
                            isVideo: m.startsWith('video/') || dur > 0 || vExts.some(e => n.endsWith('.' + e)),
                            isImage: m.startsWith('image/'),
                            isTorrent: n.endsWith('.torrent'),
                            isArchive: m.includes('zip') || m.includes('rar') || m.includes('archive') || aExts.some(e => n.endsWith('.' + e))
                        };
                    };

                    if (S.uploadMode) {
                        if (d.status !== 'DONE') {
                            if (d.file_id) {
                                S.setAllSelection(false);
                                S.setSelected(d.id, true);
                                S.activeId = d.id;
                                const locateBtn = document.getElementById('ctx-locate');
                                if (locateBtn) locateBtn.click();
                            }
                            return;
                        }
                        const t = checkType(d);
                        if (t.isTorrent) handleTorrentFile(d);
                        else if (t.isVideo || t.isImage) {
                            if (t.isVideo) playVideo(d); else showImage(d);
                        } else if (d.file_id) {
                            S.setAllSelection(false);
                            S.setSelected(d.id, true);
                            S.activeId = d.id;
                            const locateBtn = document.getElementById('ctx-locate');
                            if (locateBtn) locateBtn.click();
                        }
                        return;
                    }

                    if (S.offlineMode) {
                        if (!d.file_id || d.phase === 'PHASE_TYPE_ERROR') return;

                        if (d.phase !== 'PHASE_TYPE_COMPLETE') {
                            S.setAllSelection(false);
                            S.setSelected(d.id, true);
                            S.activeId = d.id;
                            const locateBtn = document.getElementById('ctx-locate');
                            if (locateBtn) locateBtn.click();
                            return;
                        }

                        const t = checkType(d);

                        if (t.isTorrent) handleTorrentFile(d);
                        else if (t.isVideo || t.isImage) {
                            if (t.isVideo) playVideo(d);
                            else showImage(d);
                        } else {
                            S.setAllSelection(false);
                            S.setSelected(d.id, true);
                            S.activeId = d.id;

                            const locateBtn = document.getElementById('ctx-locate');
                            if (locateBtn) {
                                locateBtn.click();
                            }
                        }
                        return;
                    }

                    if (S.shareMode) {
                        const isShareDisabled = (d.share_status === 'DELETED') || (d.limit_count > 0 && d.save_count >= d.limit_count);
                        if (isShareDisabled) return;
                        showShareDetail(d);
                        return;
                    }

                    if (d.kind === 'drive#folder') {
                        if (!S.trashMode) {
                            const isExitMode = S.isFlattened || S.dupMode;
                            if (isExitMode) {
                                S.isFlattened = false; S.dupMode = false;
                                UI.scan.style.display = 'flex'; UI.btnExit.style.display = 'none';
                                if(UI.dupTools) UI.dupTools.style.display = 'none';
                                if(UI.btnFolderFirst) UI.btnFolderFirst.style.display = 'flex';
                                if(UI.btnNewFolder) UI.btnNewFolder.style.display = 'flex';
                                if(UI.lblGlobal) UI.lblGlobal.style.display = 'flex';
                                if(UI.chkGlobal) UI.chkGlobal.checked = false;
                                if (d._lineage && d._lineage.length > 0) {
                                    const newPath = [{ id: '', name: L.btn_nav_home }];
                                    d._lineage.forEach(n => { if (n.id && n.id !== 'root') newPath.push({ id: n.id, name: n.name }); });
                                    if (newPath.length === 0 || newPath[newPath.length-1].id !== d.id) newPath.push({ id: d.id, name: d.name });
                                    S.path = newPath;
                                } else { S.path = [{ id: '', name: L.btn_nav_home }, { id: d.id, name: d.name }]; }
                                load();
                            } else {
                                const lastNode = S.path[S.path.length - 1];
                                if (lastNode && lastNode.id === d.id) return;

                                if (S.analyzeMode && S.strictFolderFirstSnapshot !== null) {
                                    S.folderFirst = S.strictFolderFirstSnapshot === true;
                                } else {
                                    S.folderFirst = false;
                                }
                                if (S.renderFolderFirst) S.renderFolderFirst();
                                S.saveNavScrollTop(S.getNavBucketKey(), S.path);
                                S.path.push(d); load();
                            }
                        }
                    } else {
                        const t = checkType(d);
                        if (t.isTorrent) handleTorrentFile(d);
                        else if (t.isArchive) handleOpenArchive(d);
                        else if (t.isVideo) playVideo(d);
                        else if (t.isImage) showImage(d);
                    }
                };

                row.onclick = async (e) => {
                    if (UI.ctx && UI.ctx.style.display !== 'none') {
                        UI.ctx.style.display = 'none';
                    }

                    const nameText = e.target.closest('.pk-name .pk-name-txt');
                    const isAnalyzeRoot = S.analyzeMode && S.path[S.path.length - 1].id === 'analyze_root';
                    const isProtectedView = S.dupMode || (isAnalyzeRoot && S.analyzeSimGroups);

                    if (!S.trashMode && nameText) {
                        const selectedCount = S.getSelectedCount();
                        const isCurrentSelected = S.isSelected(d.id);

                        if (isProtectedView && selectedCount > 5) {
                            if (selectedCount > 1 || !isCurrentSelected) {
                                if (!await confirmSelectionClear()) return;
                            }
                        }

                        S.setAllSelection(false);
                        S.setSelected(d.id, true);
                        S.activeId = d.id;

                        triggerOpen();

                        renderVisible();
                        updateStat();
                        return;
                    }

                    S.activeId = d.id;

                    if (e.target === chk) {
                        if (e.shiftKey && S.lastSelIdx !== -1) {
                            const startIdx = Math.min(S.lastSelIdx, i);
                            const endIdx = Math.max(S.lastSelIdx, i);
                            const targetState = chk.checked;
                            for (let k = startIdx; k <= endIdx; k++) {
                                const item = S.display[k];
                                if (item && !item.isHeader && !S.movingIds.has(item.id)) {
                                    S.setSelected(item.id, targetState);
                                }
                            }
                        } else {
                            S.setSelected(d.id, chk.checked);
                        }
                    } else {
                        if (e.shiftKey && S.lastSelIdx !== -1) {
                            const startIdx = Math.min(S.lastSelIdx, i);
                            const endIdx = Math.max(S.lastSelIdx, i);
                            for (let k = startIdx; k <= endIdx; k++) {
                                const item = S.display[k];
                                if (item && !item.isHeader && !S.movingIds.has(item.id)) S.setSelected(item.id, true);
                            }
                        } else if (e.ctrlKey || e.metaKey) {
                            S.toggleSelected(d.id);
                        } else {
                            const selectedCount = S.getSelectedCount();
                            const isCurrentSelected = S.isSelected(d.id);

                            if (isProtectedView && selectedCount > 5) {
                                if (selectedCount > 1 || !isCurrentSelected) {
                                    if (!await confirmSelectionClear()) {
                                        renderVisible();
                                        return;
                                    }
                                }
                            }
                            S.setAllSelection(false);
                            S.setSelected(d.id, true);
                        }
                    }

                    S.lastSelIdx = i;

                    const rows = UI.in.children;
                    for (let k = 0; k < rows.length; k++) {
                        const r = rows[k];

                        if (r.dataset.id) {
                            const rid = r.dataset.id;
                            const isSelected = S.isSelected(rid);
                            const isActiveRow = (S.activeId === rid);
                            const isFocused = isSelected && isActiveRow;
                            if (!(isActiveRow && !isSelected)) {
                                r.style.backgroundColor = '';
                                r.style.border = '';
                                r.style.borderRadius = '';
                            }

                            if (isActiveRow && !isSelected) {
                                r.style.backgroundColor = 'var(--pk-sel-bg)';
                                r.style.border = '1px solid var(--pk-pri)';
                                r.style.borderRadius = isGridView() ? `${getGridCardRadius()}px` : '4px';
                            }

                            const cls = getRowClassName(isSelected, isFocused, r.classList.contains('pk-moving'));
                            if (r.className !== cls) r.className = cls;
                            const cb = r.querySelector('input[type="checkbox"]');
                            if (cb && cb.checked !== isSelected) cb.checked = isSelected;
                        }
                        else if (r.classList.contains('pk-group-hd')) {
                            const grpChk = r.querySelector('.pk-grp-chk');
                            if (grpChk) {
                                const gNode = S.display[start + k];
                                if (gNode && gNode.isHeader) {
                                    const gIdx = parseInt(gNode.id.replace('grp_', ''));
                                    const gIds = Array.isArray(gNode.groupIds)
                                    ? gNode.groupIds
                                    : (S.dupMode ? (S.dupRawGroups[gIdx]?.ids || []) : (S.analyzeMode ? (S.analyzeSimGroups[gIdx]?.ids || []) : []));
                                    let selCount = 0;
                                    gIds.forEach(id => { if (S.isSelected(id)) selCount++; });

                                    const isAll = gIds.length > 0 && selCount === gIds.length;
                                    const isInd = selCount > 0 && selCount < gIds.length;

                                    if (grpChk.checked !== isAll) grpChk.checked = isAll;
                                    if (grpChk.indeterminate !== isInd) grpChk.indeterminate = isInd;
                                }
                            }
                        }
                    }
                    updateStat();
                };

                row.ondblclick = (e) => {
                    e.preventDefault();
                    if (S.trashMode) return;

                    if (S.uploadMode) {
                        if (d.status !== 'DONE') return;
                        triggerOpen();
                        return;
                    }

                    if (S.shareMode) {
                        const isShareDisabled = (d.share_status === 'DELETED') || (d.limit_count > 0 && d.save_count >= d.limit_count);

                        if (!isShareDisabled) {
                            showShareDetail(d);
                        }
                        return;
                    }

                    const isNameTxt = e.target.closest('.pk-name .pk-name-txt');
                    if (e.target === chk || isNameTxt) return;

                    if (S.offlineMode) {
                        triggerOpen();
                        return;
                    }

                    if (d.kind === 'drive#folder') {
                        const isExitMode = S.isFlattened || S.dupMode;

                        if (isExitMode) {
                            S.isFlattened = false;
                            S.dupMode = false;
                            if (S.filterState) S.filterState = { active: false, cat: 'all', ext: 'all' };

                            UI.scan.style.display = 'flex';
                            UI.btnExit.style.display = 'none';
                            if(UI.dupTools) UI.dupTools.style.display = 'none';
                            if(UI.dupFilters) UI.dupFilters.style.display = 'none';

                            if(UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'flex';
                            if(UI.btnNewFolder) UI.btnNewFolder.style.display = 'flex';
                            if(UI.lblGlobal) UI.lblGlobal.style.display = 'flex';
                            if(UI.chkGlobal) UI.chkGlobal.checked = false;

                            if (d._lineage && d._lineage.length > 0) {
                                const newPath = [{ id: '', name: L.btn_nav_home }];
                                d._lineage.forEach(n => {
                                    if (n.id && n.id !== 'root') newPath.push({ id: n.id, name: n.name });
                                });
                                if (newPath.length === 0 || newPath[newPath.length-1].id !== d.id) {
                                    newPath.push({ id: d.id, name: d.name });
                                }
                                S.path = newPath;
                            } else {
                                S.path = [{ id: '', name: L.btn_nav_home }, { id: d.id, name: d.name }];
                            }

                            load();

                        } else {
                            S.folderFirst = false;
                            if (S.renderFolderFirst) S.renderFolderFirst();

                            S.saveNavScrollTop(S.getNavBucketKey(), S.path);
                            S.path.push(d);
                            load();
                        }
                    } else {
                        const mime = (d.mime_type || "").toLowerCase();
                        const name = (d.name || "").toLowerCase();

                        if (name.endsWith('.torrent')) {
                            handleTorrentFile(d);
                        }
                        else if (mime.includes('zip') || mime.includes('rar') || mime.includes('7z') ||
                            mime.includes('compressed') || mime.includes('archive') ||
                            name.endsWith('.zip') || name.endsWith('.rar') || name.endsWith('.7z') || name.endsWith('.tar') || name.endsWith('.gz')) {
                            handleOpenArchive(d);
                        }
                        else if (mime.startsWith('video')) {
                            playVideo(d);
                        }
                        else if (mime.startsWith('image')) {
                            showImage(d);
                        }
                    }
                };

                row.oncontextmenu = (e) => {
                    e.preventDefault();

                    if (!S.isSelected(d.id)) {
                        S.setAllSelection(false);
                        S.setSelected(d.id, true);
                        S.activeId = d.id;
                        S.lastSelIdx = i;
                        renderVisible();
                        updateStat();
                    }

                    const itms = {
                        share: UI.ctx.querySelector('#ctx-share'),
                        open: UI.ctx.querySelector('#ctx-open'),
                        extPlay: UI.ctx.querySelector('#ctx-ext-play'),
                        star: UI.ctx.querySelector('#ctx-star'),
                        prop: UI.ctx.querySelector('#ctx-property'),
                        locate: UI.ctx.querySelector('#ctx-locate'),
                        down: UI.ctx.querySelector('#ctx-down'),
                        cpName: UI.ctx.querySelector('#ctx-copy-name'),
                        cut: UI.ctx.querySelector('#ctx-cut'),
                        copy: UI.ctx.querySelector('#ctx-copy'),
                        rename: UI.ctx.querySelector('#ctx-rename'),
                        prune: UI.ctx.querySelector('#ctx-prune'),
                        addBl: UI.ctx.querySelector('#ctx-add-bl'),
                        del: UI.ctx.querySelector('#ctx-del'),
                        restore: UI.ctx.querySelector('#ctx-restore'),
                        delF: UI.ctx.querySelector('#ctx-del-forever'),
                        shCancel: UI.ctx.querySelector('#ctx-share-cancel'),
                        shDetail: UI.ctx.querySelector('#ctx-share-detail'),
                        shCopy: UI.ctx.querySelector('#ctx-share-copy'),
                        taskRetry: UI.ctx.querySelector('#ctx-task-retry')
                    };
                    const seps = Array.from(UI.ctx.querySelectorAll('.pk-ctx-sep'));

                    if (!itms.taskRetry) {
                        const retryDiv = document.createElement('div');
                        retryDiv.className = 'pk-ctx-item';
                        retryDiv.id = 'ctx-task-retry';
                        retryDiv.innerHTML = `${CONF.icons.refresh} ${L.btn_retry_task}`;
                        const ref = document.getElementById('ctx-down');
                        if (ref) ref.parentNode.insertBefore(retryDiv, ref);
                        itms.taskRetry = retryDiv;
                    }

                    if (!UI.ctx.querySelector('#ctx-up-pause')) {
                        const pBtn = document.createElement('div');
                        pBtn.className = 'pk-ctx-item'; pBtn.id = 'ctx-up-pause';
                        pBtn.innerHTML = `${CONF.icons.taskPause} ${L.btn_up_pause}`;
                        const delRef = document.getElementById('ctx-del');
                        if (delRef) delRef.parentNode.insertBefore(pBtn, delRef);
                    }
                    if (!UI.ctx.querySelector('#ctx-up-start')) {
                        const sBtn = document.createElement('div');
                        sBtn.className = 'pk-ctx-item'; sBtn.id = 'ctx-up-start';
                        sBtn.innerHTML = `${CONF.icons.taskStart} ${L.btn_up_start}`;
                        const delRef = document.getElementById('ctx-del');
                        if (delRef) delRef.parentNode.insertBefore(sBtn, delRef);
                    }

                    const allCtxItems = UI.ctx.querySelectorAll('.pk-ctx-item');
                    const allCtxSeps = UI.ctx.querySelectorAll('.pk-ctx-sep');
                    allCtxItems.forEach(el => el.style.display = 'none');
                    allCtxSeps.forEach(el => el.style.display = 'none');

                    const sepShareExtra = UI.ctx.querySelector('#sep-share-extra');

                    if (S.shareMode) {
                        const sh = {
                            name: UI.ctx.querySelector('#ctx-copy-name'),
                            cancel: UI.ctx.querySelector('#ctx-sh-cancel'),
                            bl: UI.ctx.querySelector('#ctx-add-bl'),
                            detail: UI.ctx.querySelector('#ctx-sh-detail'),
                            copy: UI.ctx.querySelector('#ctx-sh-copy')
                        };

                        const selectedIds = S.getSelectedIds();
                        const isSingle = (selectedIds.length === 1);
                        const isShareDisabled = (d.share_status === 'DELETED') || (d.limit_count > 0 && d.save_count >= d.limit_count);

                        if(seps[0]) seps[0].style.display = 'none';
                        if(seps[1]) seps[1].style.display = 'none';
                        if(sh.name) sh.name.style.display = 'flex';
                        if(seps[2]) seps[2].style.display = 'block';

                        if(sh.cancel) sh.cancel.style.display = 'flex';
                        if(sh.bl) {
                            sh.bl.style.display = 'flex';
                            let isRemoveMode = false;
                            for (const id of selectedIds) {
                                const target = S.itemMap.get(id);
                                if (target && S.blSet.has((target.name || target.title || "").toLowerCase().trim())) { isRemoveMode = true; break; }
                            }
                            sh.bl.innerHTML = isRemoveMode ? `${ctxIcons.blRem} ${L.ctx_remove_bl}` : `${ctxIcons.blAdd} ${L.ctx_add_bl}`;
                            sh.bl.setAttribute('data-action', isRemoveMode ? 'remove' : 'add');
                        }
                        const showDetails = isSingle && !isShareDisabled;
                        if (showDetails) {
                            if(sepShareExtra) sepShareExtra.style.display = 'block';
                            if(sh.detail) sh.detail.style.display = 'flex';
                            if(sh.copy) sh.copy.style.display = 'flex';
                        }

                        if(seps[3]) seps[3].style.display = 'none';

                    } else if (S.uploadMode) {
                        const upEls = {
                            open: UI.ctx.querySelector('#ctx-open'),
                            ext: UI.ctx.querySelector('#ctx-ext-play'),
                            loc: UI.ctx.querySelector('#ctx-locate'),
                            name: UI.ctx.querySelector('#ctx-copy-name'),
                            del: UI.ctx.querySelector('#ctx-del'),
                            pause: UI.ctx.querySelector('#ctx-up-pause'),
                            start: UI.ctx.querySelector('#ctx-up-start'),
                            sep1: UI.ctx.querySelector('#sep-1'),
                            sep2: UI.ctx.querySelector('#sep-2'),
                            sep3: UI.ctx.querySelector('#sep-3')
                        };

                        const uploadSelectedIds = S.getSelectedIds();

                        if (uploadSelectedIds.length > 1) {
                            const items = uploadSelectedIds.map(id => S.itemMap.get(id)).filter(Boolean);
                            let hasActive = false, hasPaused = false, hasDone = false;

                            items.forEach(t => {
                                if (['UPLOADING', 'HASHING', 'WAITING', 'RUNNING'].includes(t.status)) hasActive = true;
                                else if (['PAUSED', 'ERROR'].includes(t.status)) hasPaused = true;
                                else if (t.status === 'DONE') hasDone = true;
                            });

                            upEls.name.style.order = '10';
                            upEls.name.style.display = 'flex';

                            if (hasActive && !hasPaused && !hasDone) {
                                if (upEls.sep1) { upEls.sep1.style.order = '15'; upEls.sep1.style.display = 'block'; }
                                if (upEls.pause) {
                                    upEls.pause.style.order = '20';
                                    upEls.pause.style.display = 'flex';
                                    upEls.pause.onclick = (e) => { e.stopPropagation(); UI.ctx.style.display = 'none'; if(UI.btnUpPause) UI.btnUpPause.click(); };
                                }
                            } else if (!hasActive && hasPaused && !hasDone) {
                                if (upEls.sep1) { upEls.sep1.style.order = '15'; upEls.sep1.style.display = 'block'; }
                                if (upEls.start) {
                                    upEls.start.style.order = '20';
                                    upEls.start.style.display = 'flex';
                                    upEls.start.onclick = (e) => { e.stopPropagation(); UI.ctx.style.display = 'none'; if(UI.btnUpStart) UI.btnUpStart.click(); };
                                }
                            } else {
                            }

                            upEls.sep2.style.order = '25';
                            upEls.sep2.style.display = 'block';

                            upEls.del.style.order = '30';
                            upEls.del.style.display = 'flex';
                            upEls.del.innerHTML = `${CONF.icons.del} ${L.btn_up_del}`;
                            upEls.del.onclick = (e) => { e.stopPropagation(); UI.ctx.style.display = 'none'; if(UI.btnUpDel) UI.btnUpDel.click(); };

                        } else {
                            const mime = (d.mime_type || '').toLowerCase();
                            const isImg = mime.startsWith('image/');
                            const isVideo = mime.startsWith('video/') || ['mp4','mkv','avi','mov','wmv','flv','webm','ts','m4v','3gp'].some(e => (d.name||'').toLowerCase().endsWith('.'+e));

                            const isActive = ['UPLOADING', 'HASHING', 'WAITING', 'RUNNING'].includes(d.status);
                            const isDone = d.status === 'DONE';

                            if (isDone) {
                                upEls.open.style.order = '10';
                                upEls.open.style.display = (isVideo || isImg) ? 'flex' : 'none';

                                upEls.ext.style.order = '11';
                                upEls.ext.style.display = isVideo ? 'flex' : 'none';

                                upEls.loc.style.order = '12';
                                upEls.loc.style.display = d.file_id ? 'flex' : 'none';

                                upEls.sep1.style.order = '15';
                                upEls.sep1.style.display = 'block';
                                upEls.name.style.order = '20';
                                upEls.name.style.display = 'flex';

                                upEls.sep2.style.order = '25';
                                upEls.sep2.style.display = 'block';

                                upEls.del.style.order = '30';
                                upEls.del.style.display = 'flex';
                                upEls.del.innerHTML = `${CONF.icons.del} ${L.btn_up_del}`;
                                upEls.del.onclick = (e) => { e.stopPropagation(); UI.ctx.style.display = 'none'; if(UI.btnUpDel) UI.btnUpDel.click(); };
                            }
                            else if (isActive) {
                                upEls.name.style.order = '10';
                                upEls.name.style.display = 'flex';

                                upEls.sep1.style.order = '15';
                                upEls.sep1.style.display = 'block';

                                if (upEls.pause) {
                                    upEls.pause.style.order = '20';
                                    upEls.pause.style.display = 'flex';
                                    upEls.pause.onclick = (e) => { e.stopPropagation(); UI.ctx.style.display = 'none'; if(UI.btnUpPause) UI.btnUpPause.click(); };
                                }

                                upEls.sep2.style.order = '25';
                                upEls.sep2.style.display = 'block';

                                upEls.del.style.order = '30';
                                upEls.del.style.display = 'flex';
                                upEls.del.innerHTML = `${CONF.icons.del} ${L.btn_up_del}`;
                                upEls.del.onclick = (e) => { e.stopPropagation(); UI.ctx.style.display = 'none'; if(UI.btnUpDel) UI.btnUpDel.click(); };
                            }
                            else {
                                upEls.name.style.order = '10';
                                upEls.name.style.display = 'flex';
                                upEls.sep1.style.order = '15';
                                upEls.sep1.style.display = 'block';
                                if (upEls.start) {
                                    upEls.start.style.order = '20';
                                    upEls.start.style.display = 'flex';
                                    upEls.start.onclick = (e) => { e.stopPropagation(); UI.ctx.style.display = 'none'; if(UI.btnUpStart) UI.btnUpStart.click(); };
                                }

                                upEls.sep2.style.order = '25';
                                upEls.sep2.style.display = 'block';

                                upEls.del.style.order = '30';
                                upEls.del.style.display = 'flex';
                                upEls.del.innerHTML = `${CONF.icons.del} ${L.btn_up_del}`;
                                upEls.del.onclick = (e) => { e.stopPropagation(); UI.ctx.style.display = 'none'; if(UI.btnUpDel) UI.btnUpDel.click(); };
                            }
                        }

                    } else if (S.offlineMode) {
                        const els = {
                            open: UI.ctx.querySelector('#ctx-open'),
                            ext: UI.ctx.querySelector('#ctx-ext-play'),
                            loc: UI.ctx.querySelector('#ctx-locate'),
                            prop: UI.ctx.querySelector('#ctx-property'),
                            name: UI.ctx.querySelector('#ctx-copy-name'),
                            retry: UI.ctx.querySelector('#ctx-task-retry'),
                            link: UI.ctx.querySelector('#ctx-copy-link'),
                            del: UI.ctx.querySelector('#ctx-del'),
                            bl: UI.ctx.querySelector('#ctx-add-bl'),
                            sep1: UI.ctx.querySelector('#sep-1'),
                            sep2: UI.ctx.querySelector('#sep-2'),
                            sep3: UI.ctx.querySelector('#sep-3')
                        };

                        const ids = S.getSelectedIds();
                        const isSingle = ids.length === 1;
                        const firstItem = S.itemMap.get(ids[0]);
                        const hasFailed = ids.some(id => S.itemMap.get(id)?.phase === 'PHASE_TYPE_ERROR');

                        let isVid = false, isImg = false;
                        if (firstItem && firstItem.file_id) {
                            const m = (firstItem.mime_type || '').toLowerCase();
                            const n = (firstItem.name || '').toLowerCase();
                            isVid = m.startsWith('video/') || ['mp4','mkv','avi','mov','wmv','flv','webm','ts','m4v','3gp'].some(e => n.endsWith('.'+e));
                            isImg = m.startsWith('image/');
                        }

                        let g1 = 0;
                        if (els.open) {
                            els.open.style.order = '10';
                            const isFolderLike = (firstItem.mime_type && (firstItem.mime_type.includes('folder') || firstItem.mime_type.includes('directory'))) || (firstItem.icon_link && firstItem.icon_link.includes('folder'));
                            const isReadyMedia = firstItem.phase === 'PHASE_TYPE_COMPLETE' && (isVid || isImg);
                            const canOpen = isSingle && firstItem?.file_id && firstItem.phase !== 'PHASE_TYPE_ERROR' && (isReadyMedia || isFolderLike);
                            els.open.style.display = canOpen ? 'flex' : 'none';
                            if(canOpen) g1++;
                        }
                        if (els.ext) {
                            els.ext.style.order = '11';
                            const canExt = isSingle && firstItem?.file_id && firstItem.phase === 'PHASE_TYPE_COMPLETE' && isVid;
                            els.ext.style.display = canExt ? 'flex' : 'none';
                            if(canExt) g1++;
                        }
                        if (els.prop) {
                            els.prop.style.order = '12';
                            els.prop.style.display = isSingle ? 'flex' : 'none';
                            if(isSingle) g1++;
                        }
                        if (els.loc) {
                            els.loc.style.order = '13';
                            const canLocate = isSingle && firstItem?.file_id && firstItem.phase !== 'PHASE_TYPE_ERROR';
                            els.loc.style.display = canLocate ? 'flex' : 'none';
                            if(canLocate) g1++;
                        }

                        let g2 = 0;
                        if (els.name) {
                            els.name.style.order = '20';
                            els.name.style.display = 'flex';
                            g2++;
                        }

                        let g3 = 0;
                        if (els.retry) {
                            els.retry.style.order = '30';
                            els.retry.innerHTML = `${CONF.icons.retry} ${L.btn_retry_task}`;
                            els.retry.onclick = (e) => { e.stopPropagation(); UI.ctx.style.display = 'none'; if (UI.btnRetryTask) UI.btnRetryTask.click(); };
                            els.retry.style.display = hasFailed ? 'flex' : 'none';
                            if(hasFailed) g3++;
                        }
                        if (els.link) {
                            els.link.style.order = '31';
                            els.link.style.display = 'flex';
                            els.link.onclick = (e) => {
                                e.stopPropagation(); UI.ctx.style.display = 'none';
                                const tasks = ids.map(id => S.itemMap.get(id)).filter(t => t && (t.source_url || t.params?.url));
                                if (tasks.length) {
                                    GM_setClipboard(tasks.map(t => t.source_url || t.params.url).join('\n'));
                                    showToast(L.msg_copy_success);
                                }
                            };
                            g3++;
                        }

                        let g4 = 0;
                        if (els.del) {
                            els.del.style.order = '40';
                            els.del.style.display = 'flex';
                            els.del.innerHTML = `${CONF.icons.del} ${L.btn_del}`;
                            els.del.onclick = (e) => { e.stopPropagation(); UI.ctx.style.display = 'none'; UI.btnDel.click(); };
                            g4++;
                        }
                        if (els.bl) {
                            els.bl.style.order = '41';
                            els.bl.style.display = 'flex';
                            let isRemove = false;
                            for (const id of ids) {
                                const t = S.itemMap.get(id);
                                if (t && S.blSet.has((t.name||'').toLowerCase().trim())) { isRemove = true; break; }
                            }
                            els.bl.innerHTML = isRemove ? `${ctxIcons.blRem} ${L.ctx_remove_bl}` : `${ctxIcons.blAdd} ${L.ctx_add_bl}`;
                            els.bl.setAttribute('data-action', isRemove ? 'remove' : 'add');
                            g4++;
                        }

                        if (els.sep1) {
                            els.sep1.style.order = '15';
                            els.sep1.style.display = (g1 > 0 && (g2 > 0 || g3 > 0 || g4 > 0)) ? 'block' : 'none';
                        }
                        if (els.sep2) {
                            els.sep2.style.order = '25';
                            els.sep2.style.display = (g2 > 0 && (g3 > 0 || g4 > 0)) ? 'block' : 'none';
                        }
                        if (els.sep3) {
                            els.sep3.style.order = '35';
                            els.sep3.style.display = (g3 > 0 && g4 > 0) ? 'block' : 'none';
                        }

                    } else {
                        if(sepShareExtra) sepShareExtra.style.display = 'none';

                        if (S.trashMode) {
                            const tr = {
                                cpName: UI.ctx.querySelector('#ctx-copy-name'),
                                restore: UI.ctx.querySelector('#ctx-restore'),
                                delF: UI.ctx.querySelector('#ctx-del-forever'),
                                addBl: UI.ctx.querySelector('#ctx-add-bl'),
                                sep1: UI.ctx.querySelector('#sep-trash-1'),
                                sep2: UI.ctx.querySelector('#sep-trash-2')
                            };

                            if(tr.cpName) tr.cpName.style.display = 'flex';
                            if(tr.sep1) tr.sep1.style.display = 'block';

                            if(tr.restore) tr.restore.style.display = 'flex';
                            if(tr.sep2) tr.sep2.style.display = 'block';

                            if(tr.delF) tr.delF.style.display = 'flex';

                            if(tr.addBl) {
                                tr.addBl.style.display = 'flex';
                                let isRemoveMode = false;
                                const selectedIdsForBl = S.getSelectedIds();
                                for (const id of selectedIdsForBl) {
                                    const item = S.itemMap.get(id);
                                    if (item && (item.kind === 'drive#folder' ? S.blFolderSet.has(item.name.toLowerCase().trim()) : S.blSet.has(item.name.toLowerCase().trim()))) { isRemoveMode = true; break; }
                                }
                                tr.addBl.innerHTML = isRemoveMode ? `${ctxIcons.blRem} ${L.ctx_remove_bl}` : `${ctxIcons.blAdd} ${L.ctx_add_bl}`;
                                tr.addBl.setAttribute('data-action', isRemoveMode ? 'remove' : 'add');
                            }
                        }else {
                            if(itms.share) itms.share.style.display = 'flex';
                            if(seps[0]) seps[0].style.display = 'block';

                            let hasGroup2 = false;
                            const ctxSelectedIds = S.getSelectedIds();
                            const ctxSelectedCount = ctxSelectedIds.length;

                            if (ctxSelectedCount === 1) {
                                [itms.open, itms.prop].forEach(el => { if(el) el.style.display = 'flex'; });
                                const isVideo = (d.mime_type || '').startsWith('video/') || (d.params && d.params.duration > 0);
                                if (itms.extPlay) itms.extPlay.style.display = isVideo ? 'flex' : 'none';
                                hasGroup2 = true;
                            }
                            if (itms.star) {
                                let hasUnstarred = false;
                                let hasValidItem = false;
                                for (const id of ctxSelectedIds) {
                                    const it = S.itemMap.get(id);
                                    if (it && !isSystemItem(it)) {
                                        hasValidItem = true;
                                        if (!(it.starred || (it.tags && it.tags.some(t => t.name === 'STAR')))) {
                                            hasUnstarred = true;
                                            break;
                                        }
                                    }
                                }
                                itms.star.style.display = hasValidItem ? 'flex' : 'none';
                                if (hasValidItem) {
                                    hasGroup2 = true;
                                    itms.star.innerHTML = hasUnstarred ? `${ctxIcons.star} ${L.ctx_star}` : `${ctxIcons.unstar} ${L.ctx_unstar}`;
                                    itms.star.setAttribute('data-action', hasUnstarred ? 'star' : 'unstar');
                                }
                            }
                            const isSearchRoot = S.path.length > 0 && S.path[S.path.length - 1].id === 'virtual_search_root';
                            const canLocateUpload = S.uploadMode && d.status === 'DONE' && d.file_id;
                            const selectedCount = S.getSelectedCount();

                            if((S.starredMode || S.recentMode || S.historyMode || isSearchRoot || S.dupMode || S.isFlattened || S.analyzeMode || canLocateUpload) && selectedCount === 1) {
                                itms.locate.style.display = 'flex';
                                hasGroup2 = true;
                            }
                            if(seps[1]) seps[1].style.display = hasGroup2 ? 'block' : 'none';

                            [itms.down, itms.cpName].forEach(el => { if(el) el.style.display = 'flex'; });

                            if (S.historyMode) {
                                if(seps[2]) seps[2].style.display = 'none';
                                [itms.cut, itms.copy, itms.rename].forEach(el => { if(el) el.style.display = 'none'; });
                            } else {
                                if(seps[2]) seps[2].style.display = 'block';
                            }

                            if (S.historyMode) {
                                if(seps[3]) seps[3].style.display = 'block';
                            } else {
                                if (!isProtected) {
                                    if(itms.cut) itms.cut.style.display = 'flex';
                                    if(itms.rename) {
                                        itms.rename.style.display = 'flex';
                                        itms.rename.innerHTML = (selectedCount > 1) ? `${ctxIcons.renameBulk} ${L.btn_bulkrename}` : `${ctxIcons.rename} ${L.ctx_rename}`;
                                    }
                                }

                                if(itms.copy) itms.copy.style.display = 'flex';

                                let hasFolder = false;
                                const selectedIds = S.getSelectedIds();
                                for (const id of selectedIds) { if (S.itemMap.get(id)?.kind === 'drive#folder') { hasFolder = true; break; } }
                                if(itms.prune && hasFolder) itms.prune.style.display = 'flex';

                                if(seps[3]) seps[3].style.display = 'block';
                            }

                            if (itms.addBl) {
                                itms.addBl.style.display = 'flex';
                                S.updateBlCache();

                                let isRemoveMode = false;
                                const selectedIdsForBl = S.getSelectedIds();
                                for (const id of selectedIdsForBl) {
                                    const item = S.itemMap.get(id);
                                    if (!item) continue;
                                    const cleanName = (item.name || "").replace(/[\r\n\v\f\u2028\u2029]+/g, ' ').trim().toLowerCase();

                                    if (item.kind === 'drive#folder') {
                                        if (S.blFolderSet.has(cleanName)) { isRemoveMode = true; break; }
                                    } else {
                                        if (S.blSet.has(cleanName)) { isRemoveMode = true; break; }
                                    }
                                }

                                itms.addBl.innerHTML = isRemoveMode ? `${ctxIcons.blRem} ${L.ctx_remove_bl}` : `${ctxIcons.blAdd} ${L.ctx_add_bl}`;
                                itms.addBl.setAttribute('data-action', isRemoveMode ? 'remove' : 'add');
                            }
                            if (itms.del) itms.del.style.display = 'flex';
                        }
                    }
                    const useFlexOrder = S.offlineMode || S.uploadMode;
                    UI.ctx.style.display = useFlexOrder ? 'flex' : 'block';
                    if (useFlexOrder) UI.ctx.style.flexDirection = 'column';

                    const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
                    let x = e.clientX / scale, y = e.clientY / scale, w = 160, h = UI.ctx.offsetHeight || 280;
                    let winW = window.innerWidth / scale, winH = window.innerHeight / scale;
                    if (x + w > winW) x = winW - w - 10;
                    if (y + h > winH) y = winH - h - 10;
                    UI.ctx.style.left = x + 'px';
                    UI.ctx.style.top = y + 'px';
                };
            }
        }

        flushVisibleRowPool(UI.in, poolPtr);

        if (window.pkRefreshTooltip) {
            requestAnimationFrame(() => {
                window.pkRefreshTooltip();
            });
        }
    }

    let isMarquee = false, mqStartX = 0, mqStartY = 0, startScroll = 0, lastMouseX = 0, lastMouseY = 0, scrollSpeed = 0, scrollRaf = null, marqueeRenderRaf = null, marqueeAutoScrollTs = 0;
    let lastRngS = -1, lastRngE = -1, cachedVpRect = null;
    const mqBox = document.createElement('div');
    mqBox.className = 'pk-selection-box';
    el.appendChild(mqBox);

    const scheduleMarqueeRefresh = () => {
        if (marqueeRenderRaf) return;
        marqueeRenderRaf = requestAnimationFrame(() => {
            marqueeRenderRaf = null;
            refreshVisibleSelectionState();
            updateStat();
        });
    };

    const updateMarqueeUIAndSelection = (targetX, targetY) => {
        if (!cachedVpRect) return;
        const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;

        const cssTargetX = targetX / scale;
        const cssTargetY = targetY / scale;
        const cssRectTop = cachedVpRect.top;
        const cssRectBottom = cachedVpRect.bottom;
        const cssRectLeft = cachedVpRect.left;
        const cssMqStartX = mqStartX / scale;
        const cssMqStartY = mqStartY / scale;

        const curScroll = UI.vp.scrollTop;
        const clampedY = Math.max(cssRectTop, Math.min(cssRectBottom, cssTargetY));

        const logicA = cssMqStartY - cssRectTop + startScroll;
        const logicB = clampedY - cssRectTop + curScroll;
        const logTop = Math.max(0, Math.min(logicA, logicB));
        const logBot = Math.max(logicA, logicB);

        const visTop = logTop - curScroll + cssRectTop;
        const visBot = logBot - curScroll + cssRectTop;
        const clipT = Math.max(cssRectTop, visTop), clipB = Math.min(cssRectBottom, visBot);
        const drawH = Math.max(0, clipB - clipT);

        const safeRight = cssRectLeft + UI.vp.clientWidth;
        const clampedX = Math.max(cssRectLeft, Math.min(safeRight, cssTargetX));
        const drawL = Math.min(cssMqStartX, clampedX);
        const drawW = Math.abs(clampedX - cssMqStartX);

        mqBox.style.borderTopWidth = (visTop < cssRectTop) ? '0' : '1px';
        mqBox.style.borderBottomWidth = (visBot > cssRectBottom) ? '0' : '1px';
        mqBox.style.borderLeftWidth = (cssTargetX < cssRectLeft) ? '0' : '1px';
        mqBox.style.borderRightWidth = (cssTargetX > safeRight) ? '0' : '1px';

        Object.assign(mqBox.style, { display: drawH > 0 ? 'block' : 'none', width: drawW + 'px', height: drawH + 'px', transform: `translate3d(${drawL}px, ${clipT}px, 0)` });

        const drawR = drawL + drawW;
        const logicLeft = Math.max(0, drawL - cssRectLeft);
        const logicRight = Math.max(logicLeft, drawR - cssRectLeft);
        const sIdx = Math.floor(logTop / CONF.rowHeight), eIdx = Math.min(S.display.length - 1, Math.floor(logBot / CONF.rowHeight));
        if (sIdx !== lastRngS || eIdx !== lastRngE || isGridView()) {
            lastRngS = sIdx; lastRngE = eIdx;
            if (!window.event?.ctrlKey && !window.event?.metaKey) {
                S.selMode = 'explicit';
                S.sel.clear();
                S.selEx.clear();
            }
            if (isGridView()) {
                const gridLayout = getGridLayout();
                const dupGridMeta = isGroupedGridView() ? getGroupedGridMeta() : null;

                if (dupGridMeta && dupGridMeta.indexLayout) {
                    dupGridMeta.indexLayout.forEach((layout, itemIdx) => {
                        if (!layout || layout.kind !== 'item') return;
                        const item = S.display[itemIdx];
                        if (!item || item.isHeader || S.movingIds.has(item.id)) return;

                        const cardLeft = layout.left;
                        const cardRight = cardLeft + layout.width;
                        const cardTop = layout.top;
                        const cardBottom = cardTop + layout.height;

                        if (cardLeft < logicRight && cardRight > logicLeft && cardTop < logBot && cardBottom > logTop) {
                            S.setSelected(item.id, true);
                        }
                    });
                } else {
                    const adjustedTop = Math.max(0, logTop - gridLayout.gapY);
                    const adjustedBot = Math.max(adjustedTop, logBot - gridLayout.gapY);
                    const startRow = Math.max(0, Math.floor(adjustedTop / CONF.rowHeight));
                    const endRow = Math.max(startRow, Math.floor(adjustedBot / CONF.rowHeight));
                    for (let rowIdx = startRow; rowIdx <= endRow; rowIdx++) {
                        for (let colIdx = 0; colIdx < gridLayout.cols; colIdx++) {
                            const itemIdx = rowIdx * gridLayout.cols + colIdx;
                            if (itemIdx >= S.display.length) break;
                            const item = S.display[itemIdx];
                            if (!item || item.isHeader || S.movingIds.has(item.id)) continue;
                            const cardLeft = gridLayout.padX + colIdx * (gridLayout.cardWidth + gridLayout.gapX);
                            const cardRight = cardLeft + gridLayout.cardWidth;
                            const cardTop = gridLayout.gapY + rowIdx * CONF.rowHeight;
                            const cardBottom = cardTop + gridLayout.cardHeight;
                            if (cardLeft < logicRight && cardRight > logicLeft && cardTop < logBot && cardBottom > logTop) {
                                S.setSelected(item.id, true);
                            }
                        }
                    }
                }
            } else {
                for (let k = sIdx; k <= eIdx; k++) {
                    const item = S.display[k];
                    if (item && !item.isHeader && !S.movingIds.has(item.id)) S.setSelected(item.id, true);
                }
            }
            scheduleMarqueeRefresh();
        }
    };

    const runAutoScroll = (ts = 0) => {
        if (!isMarquee || scrollSpeed === 0) {
            scrollRaf = null;
            marqueeAutoScrollTs = 0;
            return;
        }

        const dt = marqueeAutoScrollTs ? Math.min(32, ts - marqueeAutoScrollTs) : 16;
        marqueeAutoScrollTs = ts || performance.now();

        const prevTop = UI.vp.scrollTop;
        const maxTop = Math.max(0, UI.vp.scrollHeight - UI.vp.clientHeight);
        const nextTop = Math.max(0, Math.min(maxTop, prevTop + (scrollSpeed * (dt / 16))));

        if (nextTop === prevTop) {
            scrollSpeed = 0;
            scrollRaf = null;
            marqueeAutoScrollTs = 0;
            return;
        }

        UI.vp.scrollTop = nextTop;
        updateMarqueeUIAndSelection(lastMouseX, lastMouseY);
        scrollRaf = requestAnimationFrame(runAutoScroll);
    };

    const handleMarqueeMove = (e) => {
        if (!cachedVpRect) return;
        if (!isMarquee) {
            const moveX = Math.abs(e.clientX - mqStartX);
            const moveY = Math.abs(e.clientY - mqStartY);
            if (moveX > 5 || moveY > 5) {
                isMarquee = true;
                S.activeId = null;
                UI.win.classList.add('pk-is-seeking');
                refreshVisibleSelectionState();
            } else {
                return;
            }
        }

        lastMouseX = e.clientX; lastMouseY = e.clientY;

        const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
        const logicalClientY = e.clientY / scale;
        const edgeZone = 28;

        if (logicalClientY > cachedVpRect.bottom - edgeZone) scrollSpeed = Math.min(26, 2 + Math.pow((logicalClientY - (cachedVpRect.bottom - edgeZone)) / 6, 1.2));
        else if (logicalClientY < cachedVpRect.top + edgeZone) scrollSpeed = -Math.min(26, 2 + Math.pow(((cachedVpRect.top + edgeZone) - logicalClientY) / 6, 1.2));
        else scrollSpeed = 0;

        if (scrollSpeed !== 0 && !scrollRaf) scrollRaf = requestAnimationFrame(runAutoScroll);
        updateMarqueeUIAndSelection(e.clientX, e.clientY);
    };

    const stopMarquee = () => {
        isMarquee = false;
        scrollSpeed = 0;
        marqueeAutoScrollTs = 0;
        if (UI.win) UI.win.classList.remove('pk-is-seeking');
        lastRngS = -1;
        lastRngE = -1;
        cachedVpRect = null;

        if (mqBox) {
            mqBox.style.display = 'none';
            mqBox.style.transform = 'none';
            mqBox.style.width = '0px';
            mqBox.style.height = '0px';
        }

        if (scrollRaf) cancelAnimationFrame(scrollRaf);
        if (marqueeRenderRaf) cancelAnimationFrame(marqueeRenderRaf);
        scrollRaf = null;
        marqueeRenderRaf = null;
        window.removeEventListener('mousemove', handleMarqueeMove);
        window.removeEventListener('mouseup', stopMarquee);
    };

    let isFileDragging = false;
    let fileDragGhost = null;
    let dropTargetId = null;
    let dropTargetType = null;
    let autoOpenTimer = null;
    let lastHoverSep = null;

    const handleFileDragMove = (e) => {
        if (!isFileDragging) {
            const moveX = Math.abs(e.clientX - mqStartX);
            const moveY = Math.abs(e.clientY - mqStartY);
            if (moveX > 5 || moveY > 5) {
                isFileDragging = true;
                document.body.classList.add('pk-dragging');

                fileDragGhost = document.createElement('div');
                fileDragGhost.className = 'pk-drag-ghost';
                if (el.classList.contains('pk-dark')) fileDragGhost.classList.add('pk-dark');
                const selectedIds = S.getSelectedIds();
                const count = selectedIds.length;
                const firstId = selectedIds[0];
                const firstItem = S.itemMap.get(firstId);
                let text = firstItem ? firstItem.name : 'Selected Items';
                if (count > 1) {
                    text += L.str_drag_files.replace('{n}', count);
                } else if (!firstItem) {
                    text = L.str_selected_items || 'Selected Items';
                }

                let dragIcon = CONF.typeIcons.folder.replace('30','20').replace('30','20');
                if (firstItem && firstItem.icon_link) {
                    dragIcon = `<img src="${firstItem.icon_link}" style="width:24px; height:24px; object-fit:contain; margin-right:8px; pointer-events:none;">`;
                }

                fileDragGhost.innerHTML = `${dragIcon}<span>${esc(text)}</span>`;
                document.body.appendChild(fileDragGhost);
            } else {
                return;
            }
        }

        if (fileDragGhost) {
            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            fileDragGhost.style.zoom = 'var(--pk-zoom, 1)';
            fileDragGhost.style.left = (e.clientX / scale) + 'px';
            fileDragGhost.style.top = (e.clientY / scale) + 'px';
        }

        const prevTargets = document.querySelectorAll('.pk-drop-target');
        prevTargets.forEach(el => el.classList.remove('pk-drop-target'));
        dropTargetId = null;
        dropTargetType = null;

        if (fileDragGhost) fileDragGhost.style.display = 'none';
        const elUnder = document.elementFromPoint(e.clientX, e.clientY);
        if (fileDragGhost) fileDragGhost.style.display = 'flex';

        if (!elUnder) return;

        const menuItem = elUnder.closest('.pk-crumb-item');
        if (menuItem && menuItem.dataset.id) {
            const tid = menuItem.dataset.id;
            const currentFolderId = S.path[S.path.length - 1]?.id || '';
            if (tid !== currentFolderId && tid !== 'loading' && tid !== 'error') {
                dropTargetId = tid;
                dropTargetType = 'menu_item';
                menuItem.classList.add('pk-drop-target');
                return;
            }
        }

        const sep = elUnder.closest('.pk-crumb-sep');
        if (sep) {
            if (lastHoverSep !== sep) {
                lastHoverSep = sep;
                if (autoOpenTimer) clearTimeout(autoOpenTimer);
                autoOpenTimer = setTimeout(() => {
                    if (isFileDragging) sep.click();
                }, 500);
            }
        } else {
            lastHoverSep = null;
            if (autoOpenTimer) { clearTimeout(autoOpenTimer); autoOpenTimer = null; }
        }

        const row = elUnder.closest('.pk-row');
        if (row && row.dataset.id) {
            const tid = row.dataset.id;
            const item = S.itemMap.get(tid);
            if (item && item.kind === 'drive#folder' && !S.isSelected(tid)) {
                dropTargetId = tid;
                dropTargetType = 'row';
                row.classList.add('pk-drop-target');
                return;
            }
        }

        const crumbItem = elUnder.closest('#pk-crumb span');
        if (crumbItem && !crumbItem.classList.contains('pk-crumb-sep') && crumbItem.dataset.id) {
            const tid = crumbItem.dataset.id === 'root' ? '' : crumbItem.dataset.id;
            const currentFolderId = S.path[S.path.length - 1]?.id || '';
            const normalize = (id) => (!id || id === 'root') ? 'root' : id;
            if (normalize(tid) !== normalize(currentFolderId)) {
                dropTargetId = tid;
                dropTargetType = 'crumb';
                crumbItem.classList.add('pk-drop-target');
            }
        }
    };

    const executeFileTransfer = async (items, opType, sourcePid, targetPid, targetNameForLog) => {
        if (!items || items.length === 0) return;

        if (sourcePid !== '__VIRTUAL__' && sourcePid === targetPid) {
            showToast(L.err_paste_descendant, 'error');
            return;
        }

        const foldersToMoveIds = items.filter(it => it.kind === 'drive#folder').map(it => it.id);
        if (foldersToMoveIds.length > 0) {
            const isDescendant = (targetId, ancestorIds) => {
                let currentId = targetId;
                let safety = 100;
                while (currentId && currentId !== 'root' && safety > 0) {
                    if (ancestorIds.includes(currentId)) return true;
                    const parent = globalParentIndex.get(currentId);
                    currentId = parent ? parent.id : null;
                    safety--;
                }
                return false;
            };
            if (isDescendant(targetPid, foldersToMoveIds)) {
                showToast(L.err_paste_descendant, 'error');
                return;
            }
        }

        S.movingSourceId = sourcePid || 'root';
        S.movingDestId = targetPid || 'root';
        const allIds = items.map(it => it.id);

        allIds.forEach(id => S.movingIds.add(id));
        if (S.broadcast) S.broadcast.postMessage({ type: 'LOCK_ADD', ids: allIds, src: S.movingSourceId, dst: S.movingDestId });
        if (typeof updateGlobalLockCSS === 'function') updateGlobalLockCSS();

        isGUISensitive = true;

        const progressTask = FloatBarManager.create(`${opType === 'move' ? L.str_moving : L.str_copying}...`);
        const updateFloat = progressTask.update;

        const BATCH_SIZE = 500;
        let processedCount = 0;
        const total = items.length;
        const endpoint = opType === 'move' ? 'files:batchMove' : 'files:batchCopy';
        const actionText = opType === 'move' ? L.str_moving : L.str_copying;

        refresh();

        try {
            for (let i = 0; i < total; i += BATCH_SIZE) {
                const chunk = items.slice(i, i + BATCH_SIZE);
                const chunkIds = chunk.map(it => it.id);

                updateFloat(`${actionText} ${processedCount}/${total} -> ${esc(targetNameForLog || L.str_target_folder)}`);

                const apiTargetPid = (targetPid === 'root') ? '' : targetPid;

                const res = await fetch(`https://api-drive.mypikpak.com/drive/v1/${endpoint}`, {
                    method: 'POST',
                    headers: getHeaders(),
                    body: JSON.stringify({ ids: chunkIds, to: { parent_id: apiTargetPid } })
                });

                const data = await res.json().catch(() => ({}));
                if (!res.ok) throw new Error(data.error_description || `API ${res.status}`);

                if (data.task_id) {
                    await new Promise(resolve => {
                        const checkTask = async () => {
                            try {
                                const tRes = await fetch(`https://api-drive.mypikpak.com/drive/v1/tasks/${data.task_id}`, { headers: getHeaders() });
                                const tData = await tRes.json();
                                if (tData.phase === 'PHASE_TYPE_COMPLETE' || tData.phase === 'PHASE_TYPE_ERROR') resolve();
                                else setTimeout(checkTask, 800);
                            } catch { resolve(); }
                        };
                        checkTask();
                    });
                }
                else if (opType === 'move' && chunkIds.length > 0) {
                    const lastId = chunkIds[chunkIds.length - 1];
                    let retry = 0;
                    while (retry < 20) {
                        try {
                            const meta = await apiGet(lastId);
                            if (meta.parent_id === targetPid || meta.trashed) break;
                        } catch(e) { break; }
                        await sleep(500); retry++;
                    }
                }

                chunkIds.forEach(id => S.movingIds.delete(id));
                if (S.broadcast) S.broadcast.postMessage({ type: 'LOCK_REM', ids: chunkIds });

                if (opType === 'move') {
                    const movedSet = new Set(chunkIds);
                    S.items = S.items.filter(it => !movedSet.has(it.id));

                    if (typeof globalCache !== 'undefined') {
                        const cleanListChunk = (raw) => {
                            if (Array.isArray(raw)) return raw.filter(f => !movedSet.has(f.id));
                            if (raw && Array.isArray(raw.items)) {
                                raw.items = raw.items.filter(f => !movedSet.has(f.id));
                                return raw;
                            }
                            return raw;
                        };
                        for (const key of globalCache.keys()) {
                            globalCache.set(key, cleanListChunk(globalCache.get(key)));
                        }
                        for (const key of S.cache.keys()) {
                            S.cache.set(key, cleanListChunk(S.cache.get(key)));
                        }
                    }
                    if (typeof pkState !== 'undefined' && pkState && pkState.lastGlobalResults) {
                        pkState.lastGlobalResults = pkState.lastGlobalResults.filter(x => !movedSet.has(x.id));
                    }
                } else {
                    if (targetPid === (S.path[S.path.length-1].id||'')) {
                        const newItems = (data.files || []).map(f => minifyFile(f, false));
                        S.items.unshift(...newItems);
                    }
                }

                if (typeof updateGlobalLockCSS === 'function') updateGlobalLockCSS();
                refresh();

                processedCount += chunk.length;
            }

            if (targetPid) gmSet('pk_fmod_' + targetPid, new Date(getServerNow()).toISOString());

            if (S.analyzeMap) {
                const deltaSize = items.reduce((acc, it) => acc + parseInt(it.size || 0), 0);
                if (deltaSize > 0) {
                    const updateAnalyzeChain = (startId, isAdd) => {
                        let currId = startId;
                        let safety = 50;
                        while (currId && S.analyzeMap.has(currId) && safety > 0) {
                            const node = S.analyzeMap.get(currId);
                            const oldSize = parseInt(node.size || 0);
                            node.size = isAdd ? (oldSize + deltaSize) : Math.max(0, oldSize - deltaSize);
                            currId = node.parentId;
                            safety--;
                        }
                    };
                    if (S.analyzeMap.has(targetPid)) updateAnalyzeChain(targetPid, true);
                    if (opType === 'move' && S.analyzeMap.has(sourcePid)) updateAnalyzeChain(sourcePid, false);
                    if (S.analyzeResultItems) {
                        S.analyzeResultItems.forEach(resItem => {
                            if (S.analyzeMap.has(resItem.id)) {
                                resItem.size = S.analyzeMap.get(resItem.id).size.toString();
                            }
                        });
                    }
                }
            }

            const keysToClear = [sourcePid || 'root', targetPid || 'root'];
            keysToClear.forEach(k => {
                const normalizedK = (k === '' || k === 'root') ? 'root' : k;
                const altK = (normalizedK === 'root') ? '' : normalizedK;

                S.cache.delete(normalizedK);
                S.cache.delete(altK);

                if (typeof globalCache !== 'undefined') {
                    globalCache.delete(normalizedK);
                    globalCache.delete(altK);
                    if (typeof scannedFolderIds !== 'undefined') {
                        scannedFolderIds.delete(altK);
                    }
                }

                if (typeof globalDirtyFolders !== 'undefined') {
                    globalDirtyFolders.add(altK);
                }
            });

            if (opType === 'move') {
                const purgeMovedDescendants = (fid) => {
                    if (typeof globalLineageMap !== 'undefined') globalLineageMap.delete(fid);
                    if (typeof scannedFolderIds !== 'undefined') scannedFolderIds.delete(fid);
                    const data = (typeof globalCache !== 'undefined' ? globalCache.get(fid) : null) || (S.cache ? S.cache.get(fid) : null);
                    if (data) {
                        const list = Array.isArray(data) ? data : (data.items || []);
                        list.forEach(child => {
                            if (child.kind === 'drive#folder') {
                                purgeMovedDescendants(child.id);
                            }
                        });
                        if (typeof globalCache !== 'undefined') globalCache.delete(fid);
                        if (S.cache) S.cache.delete(fid);
                    }
                };
                items.forEach(it => {
                    if (it.kind === 'drive#folder') purgeMovedDescendants(it.id);
                });
            }

            if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;

            if (typeof runBackgroundCrawler === 'function') runBackgroundCrawler();

            if (window.pkSmartRefreshTrigger) window.pkSmartRefreshTrigger(true);
            showToast(opType === 'move' ? L.msg_move_done : L.msg_copy_success);

        } catch (e) {
            showToast(`${L.str_error}: ${e.message}`, 'error');
            load(false, true);
        } finally {
            S.movingIds.clear();
            S.movingSourceId = null;
            S.movingDestId = null;
            if (S.broadcast) S.broadcast.postMessage({ type: 'LOCK_CLR', ids: [] });
            if (typeof updateGlobalLockCSS === 'function') updateGlobalLockCSS();

            isGUISensitive = false;

            if (progressTask) progressTask.destroy();

            updateStat();
        }
    };

    const stopFileDrag = async () => {
        if (autoOpenTimer) { clearTimeout(autoOpenTimer); autoOpenTimer = null; }
        lastHoverSep = null;
        window.removeEventListener('mousemove', handleFileDragMove);
        window.removeEventListener('mouseup', stopFileDrag);
        document.body.classList.remove('pk-dragging');
        if (fileDragGhost) fileDragGhost.remove();
        fileDragGhost = null;

        let targetName = L.lbl_type_folder;
        if (dropTargetType === 'menu_item') {
            const activeItem = document.querySelector('.pk-crumb-item.pk-drop-target span');
            if (activeItem) targetName = activeItem.textContent;
        } else if (dropTargetType === 'row') {
            targetName = S.itemMap.get(dropTargetId)?.name || L.lbl_type_folder;
        } else if (dropTargetType === 'crumb') {
            const pathNode = S.path.find(p => (p.id || 'root') === (dropTargetId || 'root'));
            targetName = pathNode ? pathNode.name : L.str_target_folder;
        }

        const targets = document.querySelectorAll('.pk-drop-target');
        targets.forEach(t => t.classList.remove('pk-drop-target'));

        document.querySelectorAll('.pk-crumb-pop').forEach(pop => {
            if (typeof pop._cleanup === 'function') pop._cleanup();
            else pop.remove();
        });
        UI.crumb.querySelectorAll('.pk-crumb-sep').forEach(sep => {
            sep.classList.remove('pk-active');
            sep.innerHTML = CONF.crumbIcons.right;
        });

        if (!isFileDragging || dropTargetId === null) {
            isFileDragging = false;
            return;
        }

        isFileDragging = false;

        const currentFolderId = S.path[S.path.length - 1]?.id || '';
        const normalize = (id) => (!id || id === 'root') ? 'root' : id;

        if (normalize(dropTargetId) === normalize(currentFolderId)) return;

        let hasSystem = false;
        const dragSelectedIds = S.getSelectedIds();
        for (const id of dragSelectedIds) {
            const item = S.itemMap.get(id);
            if (item && isSystemItem(item)) { hasSystem = true; break; }
        }
        if (hasSystem) { showToast(`${L.msg_sys_error}`, 'error'); return; }

        const rawItems = [];
        const validItems = [];
        let skipLocked = 0;
        let skipSelf = 0;
        let skipConflict = 0;

        const isDescendantConflict = (candidateId) => {
            if (!S.movingIds || S.movingIds.size === 0) return false;

            const hotspots = [S.movingSourceId, S.movingDestId].filter(x => x && x !== 'root');
            if (hotspots.length === 0) return false;

            for (const startPoint of hotspots) {
                let curr = startPoint;
                let safety = 50;
                while (curr && curr !== 'root' && safety > 0) {
                    if (curr === candidateId) return true;

                    const parentInfo = globalParentIndex.get(curr);
                    curr = parentInfo ? parentInfo.id : null;
                    safety--;
                }
            }
            return false;
        };

        dragSelectedIds.forEach(id => {
            const item = S.itemMap.get(id);
            if (!item) return;

            rawItems.push(item);

            if (S.movingIds.has(id)) {
                skipLocked++;
                return;
            }

            const targetId = normalize(dropTargetId);
            const selfId = normalize(item.id);
            const parentId = normalize(item.parent_id);

            if (targetId === selfId || targetId === parentId) {
                skipSelf++;
                return;
            }

            if (item.kind === 'drive#folder' && isDescendantConflict(item.id)) {
                skipConflict++;
                return;
            }

            validItems.push(item);
        });

        if (skipLocked > 0 || skipSelf > 0 || skipConflict > 0) {
            const reasons = [];
            if (skipLocked) reasons.push(L.msg_skip_locked.replace('{n}', skipLocked));
            if (skipSelf) reasons.push(L.msg_skip_self.replace('{n}', skipSelf));
            if (skipConflict) reasons.push(L.msg_skip_conflict.replace('{n}', skipConflict));
            showToast(`${L.msg_skip_invalid} ${reasons.join(', ')}`, 'warning');
        }

        S.clearSelection();
        refresh();

        if (validItems.length > 0) {
            await executeFileTransfer(
                validItems,
                'move',
                normalize(currentFolderId),
                normalize(dropTargetId),
                targetName
            );
        }
    };

    UI.vp.addEventListener('mousedown', (e) => {
        if (e.button !== 0 || e.detail > 1) return;

        if (e.target.closest('.pk-btn, .pk-star-icon, input')) return;

        const row = e.target.closest('.pk-row');
        const isClickingSelected = row && row.dataset.id && S.isSelected(row.dataset.id);

        if (isClickingSelected && !S.trashMode && !S.shareMode && !S.offlineMode && !S.historyMode && !S.starredMode && !S.recentMode && !S.isFlattened && !S.dupMode && !S.analyzeMode) {
            isFileDragging = false;
            mqStartX = e.clientX;
            mqStartY = e.clientY;

            window.addEventListener('mousemove', handleFileDragMove);
            window.addEventListener('mouseup', stopFileDrag);
            return;
        }
                cachedVpRect = getLogicalRect(UI.vp);
        const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
        const safeRight = cachedVpRect.left + UI.vp.clientWidth;
        const safeBottom = cachedVpRect.top + UI.vp.clientHeight;

        const logicalClientX = e.clientX / scale;
        const logicalClientY = e.clientY / scale;

        if (logicalClientX > safeRight || logicalClientY > safeBottom) return;

        let startItem = null;

        if (isGridView()) {
            const gridLayout = getGridLayout();
            const logicalOffsetX = logicalClientX - cachedVpRect.left;
            const logicalOffsetY = logicalClientY - cachedVpRect.top + UI.vp.scrollTop;

            let startIdx = -1;

            if (isGroupedGridView()) {
                startIdx = findDupGridHitIndex(logicalOffsetX, logicalOffsetY);
            } else {
                const totalRows = Math.max(1, Math.ceil(S.display.length / Math.max(1, gridLayout.cols)));

                if (logicalOffsetX >= gridLayout.padX && logicalOffsetY >= 0 && logicalOffsetY < totalRows * CONF.rowHeight) {
                    const colStride = gridLayout.cardWidth + gridLayout.gapX;
                    const relX = logicalOffsetX - gridLayout.padX;
                    const rowIdx = Math.floor(logicalOffsetY / CONF.rowHeight);
                    const colIdx = Math.floor(relX / Math.max(1, colStride));
                    const withinColX = relX - colIdx * colStride;
                    const withinRowY = logicalOffsetY - rowIdx * CONF.rowHeight;

                    if (colIdx >= 0 && colIdx < gridLayout.cols && withinColX >= 0 && withinColX <= gridLayout.cardWidth && withinRowY >= 0 && withinRowY <= gridLayout.cardHeight) {
                        startIdx = rowIdx * gridLayout.cols + colIdx;
                    }
                }
            }

            if (startIdx >= 0 && startIdx < S.display.length) {
                const hitItem = S.display[startIdx];
                startItem = (hitItem && !hitItem.isHeader) ? hitItem : null;
            }
        } else {
            const startOffsetY = logicalClientY - cachedVpRect.top + UI.vp.scrollTop;
            const startIdx = Math.floor(startOffsetY / CONF.rowHeight);
            if (startIdx >= 0 && startIdx < S.display.length) {
                const hitItem = S.display[startIdx];
                startItem = (hitItem && !hitItem.isHeader) ? hitItem : null;
            }
        }

        mqStartX = e.clientX;
        mqStartY = e.clientY;
        const prevActiveId = S.activeId;
        S.activeId = startItem ? startItem.id : null;

        if (!startItem && prevActiveId && S.getSelectedCount() === 0) {
            renderVisible();
            requestAnimationFrame(() => { if (UI.chkAll) UI.chkAll.checked = false; });
        }

        isMarquee = false;
        mqStartX = lastMouseX = e.clientX;
        mqStartY = lastMouseY = e.clientY;
        startScroll = UI.vp.scrollTop;
        window.addEventListener('mousemove', handleMarqueeMove);
        window.addEventListener('mouseup', stopMarquee);
    });

    let isScrollScheduled = false;
    let gridScrollEndTimer = 0;
    const markGridScrolling = () => {
        if (!isGridView() || !UI.win) return;
        UI.win.classList.add('pk-grid-scrolling');
        if (gridScrollEndTimer) clearTimeout(gridScrollEndTimer);
        gridScrollEndTimer = setTimeout(() => {
            gridScrollEndTimer = 0;
            if (UI.win) UI.win.classList.remove('pk-grid-scrolling');
        }, 90);
    };

    UI.vp.onscroll = () => {
        if (UI.ctx && UI.ctx.style.display !== 'none') UI.ctx.style.display = 'none';
        markGridScrolling();

        if (!isScrollScheduled) {
            requestAnimationFrame(() => {
                renderVisible();
                if (typeof isMarquee !== 'undefined' && isMarquee && !scrollRaf) {
                    updateMarqueeUIAndSelection(lastMouseX, lastMouseY);
                }
                isScrollScheduled = false;
            });
            isScrollScheduled = true;
        }
    };

    UI.vp.addEventListener('wheel', () => {
        if (UI.ctx && UI.ctx.style.display !== 'none') {
            UI.ctx.style.display = 'none';
        }
        markGridScrolling();
    }, { capture: true, passive: true });

    const handleBlankClick = async (e) => {
        if (UI.ctx && UI.ctx.style.display !== 'none') {
            UI.ctx.style.display = 'none';
        }

        if (e.target.closest('.pk-nav-btn') || e.target.closest('.pk-btn') || e.target.closest('.pk-btn-toggle') || e.target.closest('input') || e.target.closest('textarea') || e.target.closest('select') || e.target.closest('.pk-nav span') || e.target.closest('.pk-crumb-sep') || e.target.closest('.pk-search') || e.target.closest('label') || e.target.closest('.pk-dropdown-wrap') || e.target.closest('.pk-sort-opt') || e.target.closest('a')
           ) return;

        const selectedCount = S.getSelectedCount();
        if (selectedCount > 0 || S.activeId) {
            const isAnalyzeRoot = S.analyzeMode && S.path[S.path.length - 1].id === 'analyze_root';
            if ((S.dupMode || (isAnalyzeRoot && S.analyzeSimGroups)) && selectedCount > 5) {
                if (!await confirmSelectionClear()) return;
            }
            S.clearSelection();
            S.activeId = null;
            renderVisible();
            requestAnimationFrame(() => { if (UI.chkAll) UI.chkAll.checked = false; });
        }
    };

    const sidebarArea = el.querySelector('.pk-sidebar');
    if (sidebarArea) sidebarArea.onclick = handleBlankClick;
    const footerArea = el.querySelector('.pk-ft');
    if (footerArea) footerArea.onclick = handleBlankClick;
    const headerArea = el.querySelector('.pk-hd');
    if (headerArea) headerArea.onclick = handleBlankClick;
    const topBarArea = el.querySelector('#pk-top-bar');
    if (topBarArea) topBarArea.onclick = handleBlankClick;
    const actionArea = el.querySelector('#pk-actionbar');
    if (actionArea) actionArea.onclick = handleBlankClick;
    const trashArea = el.querySelector('#pk-trash-bar');
    if (trashArea) trashArea.onclick = handleBlankClick;

    el.addEventListener('click', (e) => {
        if (!S.activeId) return;
        if (e.target.closest('.pk-row')) return;
        if (e.target.closest('#pk-theme')) return;
        if (e.target.closest('#pk-view-switch') || e.target.closest('.pk-view-switch') || e.target.closest('#pk-view-list') || e.target.closest('#pk-view-grid') || e.target.closest('.pk-view-btn')) return;
        S.activeId = null;
        renderVisible();
    }, { capture: true });

    if (UI.vp) {
        UI.vp.addEventListener('click', (e) => {
            if (e.target.closest('.pk-row')) return;

            const rect = getLogicalRect(UI.vp);
            if (e.clientX > rect.left + UI.vp.clientWidth || e.clientY > rect.top + UI.vp.clientHeight) return;

            if (Math.abs(e.clientX - mqStartX) > 5 || Math.abs(e.clientY - mqStartY) > 5) return;

            handleBlankClick(e);
        });
    }

    const showCrumbDropdown = async (e, parentId, triggerEl) => {
        const getLiveTriggerEl = () => {
            if (triggerEl && triggerEl.isConnected) return triggerEl;
            if (!UI.crumb) return triggerEl;
            const idx = S.path.findIndex(p => p.id === parentId);
            const seps = UI.crumb.querySelectorAll('.pk-crumb-sep');
            return (idx >= 0 && seps[idx]) ? seps[idx] : triggerEl;
        };

        const activeTriggerEl = getLiveTriggerEl();

        if (activeTriggerEl && activeTriggerEl.classList.contains('pk-active')) {
            const oldPop = document.getElementById('pk-main-crumb-pop');
            if (oldPop) oldPop.remove();
            activeTriggerEl.classList.remove('pk-active');
            activeTriggerEl.innerHTML = CONF.crumbIcons.right;
            return;
        }
        let targetId = parentId || 'root';
        if (targetId === 'root' || targetId === '') {
            if (S.shareMode) targetId = 'share_root';
            else if (S.starredMode) targetId = 'starred_root';
            else targetId = 'root';
        }

        let folders = [];

        if (targetId === 'virtual_search_root' || targetId === 'analyze_root' || targetId === 'recent_root') {
            let sourceItems = [];
            const isAnalyzeSimMode = targetId === 'analyze_root' && S.analyzeSimGroups;

            if (isAnalyzeSimMode) {
                sourceItems = S.display.filter(item => !item.isHeader);
            } else if (targetId === 'analyze_root') {
                sourceItems = (S.analyzeResultItems && S.analyzeResultItems.length > 0) ? S.analyzeResultItems : S.items;
            } else if (targetId === 'recent_root') {
                if (S.recentResultItems && S.recentResultItems.length > 0) {
                    sourceItems = S.recentResultItems;
                } else if (typeof globalCache !== 'undefined' && globalCache.has('recent_root')) {
                    const cached = globalCache.get('recent_root');
                    sourceItems = Array.isArray(cached) ? cached : (cached.items || []);
                } else {
                    sourceItems = S.items || [];
                }
            } else {
                sourceItems = (S.lastGlobalResults && S.lastGlobalResults.length > 0) ? S.lastGlobalResults : S.items;
            }
            folders = sourceItems.filter(f => f.kind === 'drive#folder');

            if (folders.length === 0) {
                const pop = document.createElement('div');
                pop.className = 'pk-crumb-pop';
                pop.innerHTML = `<div class="pk-crumb-item" style="color:#888;justify-content:center;">${L.str_no_files}</div>`;
                document.body.appendChild(pop);

                const liveTriggerEl = getLiveTriggerEl();
                if (!liveTriggerEl || !liveTriggerEl.isConnected) {
                    pop.remove();
                    return;
                }

                const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
                pop.style.zoom = scale;
                const rect = getLogicalRect(liveTriggerEl);

                pop.style.left = (rect.left - 4) + 'px';
                pop.style.top = (rect.bottom + 6) + 'px';
                pop.classList.add('pk-show');
                setTimeout(() => {
                    const closer = (evt) => {
                        pop.remove();
                        document.removeEventListener('mousedown', closer);
                    };
                    document.addEventListener('mousedown', closer);
                }, 10);
                return;
            }
        } else {
            const listId = targetId === 'root' ? '' : targetId;
            const cacheKey = targetId === 'root' ? 'root' : targetId;
            const isDirty = typeof globalDirtyFolders !== 'undefined' && globalDirtyFolders.has(listId);

            const rawCached = !isDirty
            ? ((typeof globalCache !== 'undefined' && globalCache.has(cacheKey)) ? globalCache.get(cacheKey) : S.cache.get(cacheKey))
            : null;
            const cachedItems = (rawCached && !Array.isArray(rawCached) && rawCached.items) ? rawCached.items : (Array.isArray(rawCached) ? rawCached : null);
            const cachedFolders = cachedItems ? cachedItems.filter(f => f.kind === 'drive#folder') : null;

            if (cachedFolders && cachedFolders.length > 0) {
                folders = cachedFolders;
            } else {
                folders = [{ id: 'loading', name: L.loading, kind: 'drive#folder' }];
                apiList(listId).then(res => {
                    if (typeof globalCache !== 'undefined') globalCache.set(cacheKey, res);
                    if (S.cache) S.cache.set(cacheKey, res);
                    if (typeof globalDirtyFolders !== 'undefined') globalDirtyFolders.delete(listId);

                    const freshFolders = Array.isArray(res) ? res.filter(f => f.kind === 'drive#folder') : [];
                    const pop = document.getElementById('pk-main-crumb-pop');
                    if (!pop || pop.dataset.targetId !== targetId) return;

                    renderMenu(freshFolders.length > 0 ? freshFolders : [{ id: 'error', name: L.str_no_files, kind: 'drive#folder' }]);
                }).catch(() => {
                    const pop = document.getElementById('pk-main-crumb-pop');
                    if (pop && pop.dataset.targetId === targetId) {
                        renderMenu([{ id: 'error', name: L.str_load_failed, kind: 'drive#folder' }]);
                    }
                });
            }
        }

        const renderMenu = (list) => {
            let s = S.sort, d = S.dir;

            const isStandard = !S.trashMode && !S.shareMode && !S.offlineMode && !S.starredMode && !S.recentMode && !S.historyMode && !S.isFlattened && !S.dupMode && !S.analyzeMode && !S.path.some(p => p.id === 'virtual_search_root');

            if (isStandard) {
                const isNormalFolder = targetId && !targetId.includes('_root');
                if (isNormalFolder) {
                    if (gmGet('pk_sort_independent', false)) {
                        const prefs = JSON.parse(gmGet('pk_folder_sort_prefs', '{}'));
                        if (prefs[targetId]) { s = prefs[targetId].sort; d = prefs[targetId].dir; }
                        else { s = 'modified_time'; d = 1; }
                    } else {
                        const g = JSON.parse(gmGet('pk_global_sort_pref', '{"sort":"modified_time","dir":1}'));
                        s = g.sort; d = g.dir;
                    }
                }
            }

            const isAnalyzeSimMode = S.analyzeMode && targetId === 'analyze_root' && S.analyzeSimGroups;

            if (!isAnalyzeSimMode) {
                const collator = new Intl.Collator(({ 'zh': 'zh-CN', 'tc': 'zh-TW', 'ja': 'ja', 'ko': 'ko' })[getLang()] || 'en', { numeric: true, sensitivity: 'base' });
                const parseSize = n => parseInt(n || 0);
                const parseTime = t => t ? new Date(t).getTime() : 0;

                const getCharWeight = (str) => {
                    if (!str) return 0;
                    const c = str.charAt(0);
                    if (/[0-9]/.test(c)) return 20;
                    if (/[\u4e00-\u9fa5]/.test(c)) return 30;
                    if (/[a-zA-Z]/.test(c)) return 40;
                    return 10;
                };

                const compareNames = (nameA, nameB) => {
                    const rankA = getCharWeight(nameA);
                    const rankB = getCharWeight(nameB);
                    if (rankA !== rankB) return rankA - rankB;
                    return collator.compare(nameA, nameB);
                };

                list.sort((a, b) => {
                    const isSysA = a.name === CONF.SYSTEM_FOLDER_NAME && (!a.parent_id || a.parent_id === '' || a.parent_id === 'root');
                    const isSysB = b.name === CONF.SYSTEM_FOLDER_NAME && (!b.parent_id || b.parent_id === '' || b.parent_id === 'root');
                    if (isSysA !== isSysB) return isSysA ? -1 : 1;

                    if (s === 'play_time') {
                        const tA = a._history_ts || 0;
                        const tB = b._history_ts || 0;
                        if (tA !== tB) return (tB - tA) * d;
                    } else if (s === 'modified_time') {
                        const tA = parseTime(a.modified_time);
                        const tB = parseTime(b.modified_time);
                        if (tA !== tB) return (tB - tA) * d;
                    } else if (s === 'created_time') {
                        const tA = parseTime(a.created_time);
                        const tB = parseTime(b.created_time);
                        if (tA !== tB) return (tB - tA) * d;
                    } else if (s === 'size') {
                        const sizeA = parseSize(a.size);
                        const sizeB = parseSize(b.size);
                        if (sizeA !== sizeB) return (sizeB - sizeA) * d;
                    } else if (s === 'play_time') {
                        const ptA = a._history_ts || 0;
                        const ptB = b._history_ts || 0;
                        if (ptA !== ptB) return (ptB - ptA) * d;
                    } else if (s === 'view_count' || s === 'save_count') {
                        const valA = s === 'view_count' ? parseSize(a.view_count) : parseSize(a.save_count);
                        const valB = s === 'view_count' ? parseSize(b.view_count) : parseSize(b.save_count);
                        if (valA !== valB) return (valB - valA) * d;
                    } else if (s === 'starred') {
                        const isItemStarred = (item) => S.starredSet.has(item.id) || !!(item.starred || (item.tags && item.tags.some(t => t.name === 'STAR')));
                        const stA = isItemStarred(a) ? 1 : 0;
                        const stB = isItemStarred(b) ? 1 : 0;
                        if (stA !== stB) return stB - stA;
                        const tA = parseTime(a.modified_time);
                        const tB = parseTime(b.modified_time);
                        return (tB - tA) * d;
                    } else if (s === 'path') {
                        const getPath = (item) => {
                            if (S.analyzeMode) return item._pathStr || "";
                            if (item._lineage) return item._lineage.map(x => x.name).join('/');
                            return "";
                        };
                        const pA = getPath(a);
                        const pB = getPath(b);
                        const pathCmp = compareNames(pA, pB);
                        if (pathCmp !== 0) return pathCmp * d;
                    }

                    return compareNames(a.name, b.name) * d;
                });
            }

            let pop = document.getElementById('pk-main-crumb-pop');
            if (!pop) {
                pop = document.createElement('div');
                pop.id = 'pk-main-crumb-pop';
                pop.className = 'pk-crumb-pop pk-scroll';
                if (document.querySelector('.pk-ov')?.classList.contains('pk-dark')) pop.classList.add('pk-dark');
                pop.style.top = '-9999px';
                document.body.appendChild(pop);
            }
            pop.dataset.targetId = targetId;
            pop.innerHTML = '';

            const movingIds = (typeof pkState !== 'undefined') ? pkState.movingIds : new Set();
            list.forEach(f => {
                const item = document.createElement('div');
                const isMoving = movingIds.has(f.id);
                item.className = 'pk-crumb-item' + (isMoving ? ' pk-moving' : '');
                item.dataset.id = f.id;

                const iconSrc = f.icon_link || '';
                const fallbackSvg = CONF.typeIcons.folder.replace(/width="\d+"/, 'width="18"').replace(/height="\d+"/, 'height="18"');

                const iconHtml = iconSrc
                ? `<img src="${iconSrc}" style="width:18px;height:18px;object-fit:contain;flex-shrink:0;" onerror="this.style.display='none';if(this.nextElementSibling)this.nextElementSibling.style.display='inline-flex';"><span style="display:none;align-items:center;flex-shrink:0;">${fallbackSvg}</span>`
                : fallbackSvg;

                const isInPath = S.path.some(pathNode => pathNode.id === f.id);
                const textStyle = isInPath ? 'font-weight:bold; color:var(--pk-pri);' : '';
                const isProtected = typeof isSystemItem === 'function' && isSystemItem(f);
                const tagHtml = isProtected ? `<span class="pk-tag-default">${L.tag_default}</span>` : '';

                item.innerHTML = `${iconHtml}<span class="pk-crumb-name-wrap"><span class="pk-crumb-name" style="${textStyle}">${esc(f.name)}</span>${tagHtml}</span>`;

                if (f.id !== 'loading' && f.id !== 'error') {
                    item.onclick = (ev) => {
                        ev.stopPropagation();
                        closeMenu();

                        if (targetId === 'virtual_search_root' || targetId === 'analyze_root' || targetId === 'recent_root') {
                            let rootName = L.str_search_results;
                            if (targetId === 'analyze_root') rootName = L.str_analyze_results;
                            else if (targetId === 'recent_root') rootName = L.btn_nav_recent;

                            const newPath = [];

                            if (targetId === 'virtual_search_root') {
                                newPath.push({ id: '', name: L.btn_nav_home });
                            }

                            newPath.push({ id: targetId, name: rootName });
                            newPath.push({ id: f.id, name: f.name });

                            S.path = newPath;
                        } else {
                            const idx = S.path.findIndex(p => p.id === parentId);
                            if (idx !== -1) {
                                S.path = S.path.slice(0, idx + 1);
                                S.path.push({ id: f.id, name: f.name });
                            }
                        }
                        load();
                    };
                }
                pop.appendChild(item);
            });

            requestAnimationFrame(() => {
                const liveTriggerEl = getLiveTriggerEl();
                if (!liveTriggerEl || !liveTriggerEl.isConnected) return;

                const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
                pop.style.zoom = scale;
                const rect = getLogicalRect(liveTriggerEl);
                const popRect = pop.getBoundingClientRect();

                let left = rect.left - 4;
                const popW = popRect.width / scale;
                const winW = window.innerWidth / scale;

                if (left + popW > winW) left = winW - popW - 15;
                pop.style.left = Math.max(10, left) + 'px';
                pop.style.top = (rect.bottom + 6) + 'px';

                pop.classList.add('pk-show');
                liveTriggerEl.classList.add('pk-active');
                liveTriggerEl.innerHTML = CONF.crumbIcons.down;
            });

            const closeMenu = () => {
                if (pop.parentNode) pop.remove();

                const liveTriggerEl = getLiveTriggerEl();
                if (liveTriggerEl) {
                    liveTriggerEl.classList.remove('pk-active');
                    liveTriggerEl.innerHTML = CONF.crumbIcons.right;
                    const svg = liveTriggerEl.querySelector('svg');
                    if (svg) {
                        svg.style.width = '14px'; svg.style.height = '14px';
                        svg.style.display = 'block'; svg.style.opacity = '0.6';
                    }
                }
                document.removeEventListener('mousedown', onOutsideClick);
                window.removeEventListener('resize', closeMenu);
                UI.vp.removeEventListener('scroll', closeMenu);
            };
            const onOutsideClick = (evt) => {
                const liveTriggerEl = getLiveTriggerEl();
                if (!pop.contains(evt.target) && !(liveTriggerEl && liveTriggerEl.contains(evt.target))) closeMenu();
            };
            window.addEventListener('resize', closeMenu);
            UI.vp.addEventListener('scroll', closeMenu, { passive: true });
            setTimeout(() => document.addEventListener('mousedown', onOutsideClick), 10);
        };

        renderMenu(folders || []);
    };

    function renderCrumb() {
        UI.crumb.innerHTML = '';

        if (S.offlineMode) {
            UI.crumb.style.pointerEvents = 'none';
            UI.crumb.innerHTML = `
                <div style="display:flex; align-items:center; color:var(--pk-fg); margin-left: -6px;">
                    <span style="font-weight:bold; font-size:15px; cursor:default;">${L.title_offline}</span>
                </div>
            `;
            return;
        }

        if (S.uploadMode) {
            UI.crumb.style.pointerEvents = 'none';
            UI.crumb.innerHTML = `
                <div style="display:flex; align-items:center; color:var(--pk-fg); margin-left: -6px;">
                    <span style="font-weight:bold; font-size:15px; cursor:default;">${L.btn_nav_upload}</span>
                </div>
            `;
            return;
        }

        if (S.shareMode) {
            UI.crumb.style.pointerEvents = 'none';
            UI.crumb.innerHTML = `
                <div style="display:flex; align-items:center; color:var(--pk-fg); margin-left: -6px;">
                    <span style="font-weight:bold; font-size:15px; cursor:default;">${L.btn_nav_share}</span>
                </div>
            `;
            return;
        }

        if (S.historyMode) {
            UI.crumb.style.pointerEvents = 'none';
            UI.crumb.innerHTML = `
                <div style="display:flex; align-items:baseline; color:var(--pk-fg); margin-left: -6px;">
                    <span style="font-weight:bold; font-size:15px; cursor:default;">${L.btn_nav_history}</span>
                    <span style="color:#888; font-size:11px; margin-left:10px; cursor:default; font-weight:normal; opacity:0.8;">${L.history_notice}</span>
                </div>
            `;
            return;
        }

        if (S.trashMode) {
            UI.crumb.style.pointerEvents = 'none';
            UI.crumb.innerHTML = `
                <div style="display:flex; align-items:baseline; color:var(--pk-fg); margin-left: -6px;">
                    <span style="font-weight:bold; font-size:15px; cursor:default;">${L.trash_title}</span>
                    <span style="color:#888; font-size:11px; margin-left:10px; cursor:default; font-weight:normal; opacity:0.8;">${L.trash_notice}</span>
                </div>
            `;
            return;
        }
        UI.crumb.style.pointerEvents = 'auto';

        const svgStyle = 'width:14px;height:14px;vertical-align:-4px;margin-right:4px;display:inline-block;';
        const ICON_HOME = `<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="${svgStyle}"><path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"></path><polyline points="9 22 9 12 15 12 15 22"></polyline></svg>`;
        const ICON_SEARCH = `<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="${svgStyle}"><circle cx="11" cy="11" r="8"></circle><line x1="21" y1="21" x2="16.65" y2="16.65"></line></svg>`;
        const ICON_TRASH = `<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="${svgStyle}"><polyline points="3 6 5 6 21 6"></polyline><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path></svg>`;
        const ICON_STAR = `<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="${svgStyle}"><polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon></svg>`;

        S.path.forEach((p, i) => {
            const s = document.createElement('span');

            const isHome = (p.id === '' || p.id === 'root');
            const isSearch = (p.id === 'virtual_search_root');
            const isAnalyze = (p.id === 'analyze_root');
            const isRecentRoot = (p.id === 'recent_root');

            if (isHome) {
                let icon = ICON_HOME;
                if (S.trashMode) icon = ICON_TRASH;
                else if (S.starredMode) icon = ICON_STAR;

                s.innerHTML = `${icon}${p.name}`;
            }
            else if (isSearch || isAnalyze) {
                s.innerHTML = `${ICON_SEARCH}${p.name}`;
            }
            else if (isRecentRoot) {
                const ICON_RECENT = CONF.icons.recent.replace('<svg', `<svg style="${svgStyle}"`);
                s.innerHTML = `${ICON_RECENT}${p.name}`;
            }
            else {
                s.textContent = p.name;
            }

            s.dataset.id = (p.id === '' || !p.id) ? 'root' : p.id;
            s.className = i === S.path.length - 1 ? 'act' : '';

            s.style.cssText = "display:inline-flex; align-items:center; padding:2px 6px; border-radius:4px; flex-shrink:0; transition:background 0.2s; white-space:nowrap; margin: auto 2px;";

            s.onclick = (e) => {
                e.stopPropagation();
                if (i !== S.path.length - 1) {
                    if (i < S.path.length - 1) {
                        S.latestChildId = S.path[i + 1].id;
                    }

                    S.folderFirst = false;
                    if (S.renderFolderFirst) S.renderFolderFirst();

                    S.path = S.path.slice(0, i + 1);
                    load();
                } else {
                    if (UI.btnRefresh && !UI.btnRefresh.disabled) UI.btnRefresh.click();
                }
            };

            UI.crumb.appendChild(s);

            const isLast = i === S.path.length - 1;
            let showArrow = !isLast;

            if (isLast) {
                const isUnsupportedVirtual = p.id === 'history_root' || p.id === 'offline_root' || p.id === 'upload_root';
                if (!S.isFlattened && !S.dupMode && !isUnsupportedVirtual) {
                    if (S.items && S.items.some(item => item.kind === 'drive#folder')) {
                        showArrow = true;
                    }
                }
            }

            if (showArrow) {
                const sep = document.createElement('span');
                sep.className = 'pk-crumb-sep';
                sep.innerHTML = CONF.crumbIcons.right;
                sep.onclick = (e) => {
                    e.stopPropagation();
                    showCrumbDropdown(e, p.id, sep);
                };
                UI.crumb.appendChild(sep);
            }
        });

        S._crumbIdx = S.path.length - 1;

        UI.crumb.onwheel = (e) => {
            e.preventDefault();

            const existingPop = document.getElementById('pk-main-crumb-pop');
            if (existingPop) {
                existingPop.remove();
                UI.crumb.querySelectorAll('.pk-crumb-sep').forEach(sep => {
                    sep.classList.remove('pk-active');
                    sep.innerHTML = CONF.crumbIcons.right;
                });
            }

            const nodes = [...UI.crumb.querySelectorAll('span:not(.pk-crumb-sep)')];
            if (!nodes.length) return;

            const now = Date.now();
            if (now - (S._lastCrumbScroll || 0) < 120) return;
            S._lastCrumbScroll = now;

            if (e.deltaY < 0) S._crumbIdx = Math.max(0, S._crumbIdx - 1);
            else S._crumbIdx = Math.min(nodes.length - 1, S._crumbIdx + 1);

            const targetNode = nodes[S._crumbIdx];
            const containerWidth = UI.crumb.offsetWidth;

            const centerOffset = targetNode.offsetLeft + (targetNode.offsetWidth / 2) - (containerWidth / 2);

            UI.crumb.scrollTo({
                left: centerOffset,
                behavior: 'smooth'
            });
        };

        setTimeout(() => {
            if (UI.crumb) {
                UI.crumb.scrollTo({ left: UI.crumb.scrollWidth, behavior: 'smooth' });
            }
        }, 0);
    }

    el.tabIndex = 0; el.focus();

    const keyHandler = (e) => {
        const win = document.querySelector('.pk-ov');
        if (!win || win.style.display === 'none') return;

        const tag = e.target.tagName;

        if (tag === 'TEXTAREA' || (tag === 'INPUT' && e.target.type !== 'checkbox' && e.target.type !== 'button' && e.target.type !== 'submit')) return;

        if (e.key === 'Escape') {
            if (typeof isSearchHistOpen === 'function' && isSearchHistOpen()) {
                closeSearchHist();
                return;
            }

            const pTip = document.getElementById('pk_p_plist_tip_global');
            if (pTip) pTip.style.display = 'none';

            if (S.closePlayerOverlay()) return;
            if (S.closeImageOverlay()) return;
            if (S.closeTopModalOverlay()) return;
            if (UI.ctx.style.display === 'block') { UI.ctx.style.display = 'none'; return; }

            if (S.getSelectedCount() > 0) {
                S.clearSelection();
                refresh();
            } else if (UI.win.classList.contains('pk-maximized')) {
                if (!isTurbo && btnMax) btnMax.click();
            } else {
                if (!isTurbo) UI.btnClose.click();
            }
            return;
        }

        const hasMediaOverlay = document.querySelector('.pk-img-ov, #pk-player-ov');
        if (hasMediaOverlay) return;

        if (!e.ctrlKey && !e.altKey && !e.shiftKey && !e.metaKey) {
            if (e.key === 'f' || e.key === 'F') {
                if (UI.btnImgSearch && !UI.btnImgSearch.disabled && UI.btnImgSearch.style.display !== 'none') {
                    e.preventDefault();
                    UI.btnImgSearch.click();
                    return;
                }
            }
        }

        if (e.key === 'Delete' && e.altKey) {
            e.preventDefault();
            if (S.uploadMode) return;

            const existingModal = Array.from(document.querySelectorAll('.pk-modal-ov')).find(m => {
                const title = m.querySelector('h3');
                return title && title.textContent.includes(L.title_blacklist);
            });

            if (existingModal) {
                existingModal.remove();
            } else {
                showBlacklistModal();
            }
        }

        if (e.altKey && (e.key === 'h' || e.key === 'H')) {
            e.preventDefault();
            const existingHelp = Array.from(document.querySelectorAll('.pk-modal-ov')).find(m => {
                const title = m.querySelector('h3');
                return title && title.textContent === L.modal_help_title;
            });
            if (existingHelp) {
                existingHelp.remove();
            } else if (UI.btnHelp) {
                UI.btnHelp.click();
            }
            return;
        }

        const hasActiveOverlay = document.querySelector('.pk-modal-ov');
        if (hasActiveOverlay) return;

        if (e.key === 'F2') {
            e.preventDefault();
            if (S.trashMode || S.shareMode || S.offlineMode || S.uploadMode || S.historyMode) return;

            const selectedCount = S.getSelectedCount();
            if (selectedCount === 1) {
                if (UI.btnRename.disabled) return;
                UI.btnRename.click();
            }
            else if (selectedCount > 1) {
                if (UI.btnBulkRename.disabled) return;
                UI.btnBulkRename.click();
            }
        }

        if (e.key === 'F5') {
            e.preventDefault();
            if (S.uploadMode) load(false, true);
            else if (S.trashMode) load(false, true);
            else UI.btnRefresh.click();
        }

        if (e.key === 'F8') {
            e.preventDefault();

            const cur = S.path[S.path.length - 1];
            const isStarredRoot = S.starredMode && S.path.length === 1;
            const isRecentRoot = S.recentMode && S.path.length === 1;
            const isHistoryRoot = S.historyMode && S.path.length === 1;
            const isBlocked = S.isFlattened || S.dupMode || S.shareMode || S.offlineMode || S.uploadMode || S.historyMode || isStarredRoot || isRecentRoot || isHistoryRoot || cur.id === 'analyze_root' || cur.id === 'virtual_search_root';
            if (isBlocked) return;
            UI.btnNewFolder.click();
        }

        if (e.key === 'r' || e.key === 'R') {
            if (S.trashMode && !e.ctrlKey && !e.altKey && !e.metaKey) {
                e.preventDefault();
                if (UI.btnRestore && !UI.btnRestore.disabled) UI.btnRestore.click();
                return;
            }
            if (S.offlineMode && !e.ctrlKey && !e.altKey && !e.metaKey) {
                e.preventDefault();
                if (UI.btnRetryTask && !UI.btnRetryTask.disabled) UI.btnRetryTask.click();
                return;
            }
        }

        if (e.altKey && (e.key === 'm' || e.key === 'M')) {
            e.preventDefault();
            if (UI.btnMigrate && !UI.btnMigrate.disabled && UI.btnMigrate.style.display !== 'none') {
                UI.btnMigrate.click();
            }
            return;
        }

        if ((e.key === 'm' || e.key === 'M') && !e.altKey && !e.ctrlKey && !e.metaKey) {
            const imgPlayer = document.querySelector('.pk-img-ov');
            const vidPlayer = document.getElementById('pk-player-ov');
            if (!imgPlayer && !vidPlayer) {
                const btnMax = document.querySelector('#pk-maximize');
                if (!isTurbo && btnMax) btnMax.click();
            }
        }

        if (e.key === 'Delete' && e.shiftKey) {
            if (S.trashMode && UI.btnEmptyTrash) {
                e.preventDefault();
                UI.btnEmptyTrash.click();
                return;
            }
            if (S.uploadMode && UI.btnUpClearAll) {
                e.preventDefault();
                UI.btnUpClearAll.click();
                return;
            }
        }

        if (e.key === 'Delete' && !e.ctrlKey && !e.altKey && !e.shiftKey) {
            if (S.shareMode) {
                if (UI.btnCancelShare && !UI.btnCancelShare.disabled) UI.btnCancelShare.click();
                return;
            }

            if (S.uploadMode) {
                if (UI.btnUpDel && !UI.btnUpDel.disabled) UI.btnUpDel.click();
                return;
            }

            if (S.trashMode) {
                if(UI.btnDelForever && !UI.btnDelForever.disabled) UI.btnDelForever.click();
            } else {
                if (!UI.btnDel.disabled) UI.btnDel.click();
            }
        }

        if (e.key === 'Delete' && e.ctrlKey) {
            e.preventDefault();
            if (S.trashMode) return;
            if (S.isFlattened || S.dupMode || S.uploadMode) return;
            if (!UI.btnPrune.disabled) UI.btnPrune.click();
        }

        if (e.ctrlKey || e.metaKey) {

            if (e.key === 'a' || e.key === 'A') {
                e.preventDefault();
                if (S.handleSelectAll) S.handleSelectAll();
            }

            if (e.key === 'c' || e.key === 'C') {
                if (window.getSelection().toString()) return;
                e.preventDefault();
                if (S.trashMode || S.shareMode || S.offlineMode || S.uploadMode || S.historyMode) return;
                if (!UI.btnCopy.disabled) UI.btnCopy.click();
            }

            if (e.key === 'x' || e.key === 'X') {
                e.preventDefault();
                if (S.trashMode || S.shareMode || S.offlineMode || S.uploadMode || S.historyMode) return;
                if (!UI.btnCut.disabled) UI.btnCut.click();
            }

            if (e.key === 'v' || e.key === 'V') {
                e.preventDefault();
                if (S.trashMode || S.shareMode || S.offlineMode || S.uploadMode || S.historyMode) return;

                const cur = S.path[S.path.length - 1];
                const isStarredRoot = S.starredMode && S.path.length === 1;
                const isRecentRoot = S.recentMode && S.path.length === 1;
                const isHistoryRoot = S.historyMode && S.path.length === 1;
                const isPasteBlocked = S.isFlattened || S.dupMode || S.offlineMode || S.historyMode || isStarredRoot || isRecentRoot || isHistoryRoot || cur.id === 'analyze_root' || cur.id === 'virtual_search_root';
                if (isPasteBlocked) return;

                if (!UI.btnPaste.disabled) UI.btnPaste.click();
            }
        }

        if (e.altKey) {
            if (S.offlineMode && (e.key === 'c' || e.key === 'C')) {
                e.preventDefault();
                if (UI.btnCopyLinkOffline && !UI.btnCopyLinkOffline.disabled) UI.btnCopyLinkOffline.click();
                return;
            }
            if (e.key === 's' || e.key === 'S') {
                e.preventDefault();
                openSettingsModal();
            }
            if (e.key === 'g' || e.key === 'G') {
                e.preventDefault();
                if (S.uploadMode) {
                    if (UI.btnUpStart && !UI.btnUpStart.disabled) UI.btnUpStart.click();
                }
            }
            if (e.key === 'p' || e.key === 'P') {
                e.preventDefault();
                if (S.uploadMode) {
                    if (UI.btnUpPause && !UI.btnUpPause.disabled) UI.btnUpPause.click();
                }
            }
            if (e.key === 'u' || e.key === 'U') {
                e.preventDefault();
                const cur = S.path[S.path.length - 1];
                const isRoot = S.path.length === 1;
                const isUnzipBlocked = S.trashMode || S.shareMode || S.offlineMode || S.uploadMode || S.historyMode || S.isFlattened || S.dupMode || (S.analyzeMode && cur.id === 'analyze_root') || (cur.id === 'virtual_search_root') || (S.recentMode && isRoot) || (S.starredMode && isRoot);
                if (!isUnzipBlocked && !UI.btnUnzip.disabled) UI.btnUnzip.click();
            }

            if (e.key === 'd' || e.key === 'D') {
                e.preventDefault();
                if (S.shareMode || S.uploadMode || S.trashMode || S.offlineMode) return;
                if (UI.btnDown && !UI.btnDown.disabled) UI.btnDown.click();
            }
            if (e.key === 'a' || e.key === 'A') {
                e.preventDefault();
                if (S.shareMode || S.uploadMode || S.trashMode || S.offlineMode) return;
                if (UI.btnAria2 && !UI.btnAria2.disabled) UI.btnAria2.click();
            }
            if (e.key === 'e' || e.key === 'E') {
                e.preventDefault();
                if (S.shareMode || S.trashMode) return;
                if (UI.btnExt && !UI.btnExt.disabled) UI.btnExt.click();
            }
            if (e.key === 't' || e.key === 'T') {
                e.preventDefault();
                if (UI.btnTheme) UI.btnTheme.click();
            }
        }
    };

    document.addEventListener('keydown', keyHandler);

    if (document._pkPlayerCloseClickHandler) {
        document.removeEventListener('click', document._pkPlayerCloseClickHandler, true);
    }
    document._pkPlayerCloseClickHandler = (e) => {
        const btn = e.target && e.target.closest ? e.target.closest('#pk_p_close') : null;
        if (!btn) return;
        e.preventDefault();
        e.stopPropagation();
        if (e.stopImmediatePropagation) e.stopImmediatePropagation();
        S.closePlayerOverlay();
    };
    document.addEventListener('click', document._pkPlayerCloseClickHandler, true);

    if (document._pkImageCloseClickHandler) {
        document.removeEventListener('click', document._pkImageCloseClickHandler, true);
    }
    document._pkImageCloseClickHandler = (e) => {
        const btn = e.target && e.target.closest ? e.target.closest('#pk_img_close') : null;
        if (!btn) return;
        e.preventDefault();
        e.stopPropagation();
        if (e.stopImmediatePropagation) e.stopImmediatePropagation();
        S.closeImageOverlay();
    };
    document.addEventListener('click', document._pkImageCloseClickHandler, true);

    let sideMouseBusy = false;
    let lastSideMouseBtn = -1;
    let lastSideMouseTs = 0;

    const mouseSideNavHandler = async (e) => {
        const btn = e.button;
        if (btn !== 3 && btn !== 4) return;

        const win = document.querySelector('.pk-ov');
        if (!win || win.style.display === 'none') return;

        S.sideNavLog('event', { type: e.type, button: btn, target: e.target });

        const now = Date.now();
        if (lastSideMouseBtn === btn && (now - lastSideMouseTs) < 250) {
            S.sideNavLog('blocked: duplicate');
            e.preventDefault();
            e.stopPropagation();
            if (e.stopImmediatePropagation) e.stopImmediatePropagation();
            return;
        }
        lastSideMouseBtn = btn;
        lastSideMouseTs = now;

        const hasFrontOverlay = !!document.querySelector('.pk-modal-ov, .pk-img-ov, #pk-player-ov');
        if (!hasFrontOverlay) {
            const t = e.target;
            if (t && (t.closest('textarea') || t.closest('input:not([type="checkbox"]):not([type="button"]):not([type="submit"])') || t.closest('[contenteditable="true"]'))) {
                S.sideNavLog('pass-through: editing target');
                return;
            }
        }

        e.preventDefault();
        e.stopPropagation();
        if (e.stopImmediatePropagation) e.stopImmediatePropagation();

        if (sideMouseBusy) {
            S.sideNavLog('blocked: busy');
            return;
        }
        sideMouseBusy = true;

        try {
            if (btn === 3) {
                S.sideNavLog('dispatch: back');
                await S.handleMouseSideBack();
            } else {
                S.sideNavLog('dispatch: forward');
                await S.handleMouseSideForward();
            }
        } catch (err) {
            S.sideNavLog('error', err);
            throw err;
        } finally {
            setTimeout(() => { sideMouseBusy = false; }, 0);
        }
    };

    if (window._pkMouseSideNavHandler) {
        window.removeEventListener('mousedown', window._pkMouseSideNavHandler, true);
        window.removeEventListener('mouseup', window._pkMouseSideNavHandler, true);
        window.removeEventListener('auxclick', window._pkMouseSideNavHandler, true);
        window.removeEventListener('click', window._pkMouseSideNavHandler, true);
    }
    window._pkMouseSideNavHandler = mouseSideNavHandler;
    window.addEventListener('mousedown', mouseSideNavHandler, { capture: true, passive: false });
    window.addEventListener('mouseup', mouseSideNavHandler, { capture: true, passive: false });
    window.addEventListener('auxclick', mouseSideNavHandler, { capture: true, passive: false });
    window.addEventListener('click', mouseSideNavHandler, { capture: true, passive: false });

    const showProperty = (item) => {
        const L = getStrings();
        let rows = [];

        rows.push({ k: L.lbl_prop_name, v: item.name });
        rows.push({ k: L.lbl_prop_size, v: fmtSize(item.size) });
        rows.push({ k: L.lbl_prop_ctime, v: fmtDate(item.created_time) });
        if (item.modified_time) rows.push({ k: L.lbl_prop_mtime, v: fmtDate(item.modified_time) });

        let source = L.str_prop_unknown;
        if (item.kind === 'drive#task') source = L.str_prop_offline;
        else if (item.kind === 'drive#folder') source = L.lbl_type_folder;
        else if (item.from === 'share') source = L.str_prop_share;
        else source = L.str_prop_user;
        rows.push({ k: L.lbl_prop_source, v: source });

        let link = item.source_url || (item.params && item.params.url) || item.web_content_link || item.url;

        if (!link && item.params && typeof item.params === 'object') {
             for (const key in item.params) {
                 if (key.toLowerCase() === 'url') {
                     link = item.params[key];
                     break;
                 }
             }
        }

        if (link) {
            rows.push({ k: L.lbl_prop_link, v: link, isLink: true });
        }

        let pathStr = "Root";
        if (S.offlineMode) pathStr = L.title_offline;
        else if (S.shareMode) pathStr = L.btn_nav_share;
        else if (item._lineage) pathStr = item._lineage.map(x => x.name).join('/');
        rows.push({ k: L.lbl_prop_path, v: pathStr });

        let html = `<div style="display:flex; flex-direction:column; gap:16px; padding-top:10px;">`;
        rows.forEach(r => {
            let valHtml = `<div style="flex:1; word-break:break-all; color:var(--pk-fg); user-select:text; line-height:1.5;">${esc(r.v)}</div>`;

            if (r.isLink) {
                valHtml = `
                    <div style="flex:1; display:flex; gap:8px; align-items:flex-start; min-width:0;">
                        <div style="flex:1; word-break:break-all; color:var(--pk-pri); cursor:pointer; overflow:hidden; text-overflow:ellipsis; display:-webkit-box; -webkit-line-clamp:4; -webkit-box-orient:vertical;"
                             title="${esc(r.v)}" onclick="navigator.clipboard.writeText(this.title); showToast('${L.msg_copy_success}')">
                             ${esc(r.v)}
                        </div>
                        <button class="pk-btn" style="padding:0 10px; height:26px; font-size:12px; flex-shrink:0; margin-top:-2px;"
                                onclick="navigator.clipboard.writeText('${esc(r.v)}'); showToast('${L.msg_copy_success}')">
                            ${L.btn_copy_text}
                        </button>
                    </div>
                `;
            }

            html += `
                <div style="display:flex; align-items:baseline; font-size:13px;">
                    <div style="width:70px; color:#888; flex-shrink:0; text-align:right; margin-right:15px;">${r.k}:</div>
                    ${valHtml}
                </div>
            `;
        });
        html += `</div>`;

        const m = showModal(html);
        m.querySelector('.pk-modal h3').textContent = L.title_property;
        m.querySelector('.pk-modal').style.width = "520px";
    };

    const btnProp = document.getElementById('ctx-property');
    if (btnProp) {
        btnProp.onclick = () => {
            const item = S.itemMap.get(S.activeId);
            if (item) showProperty(item);
            UI.ctx.style.display = 'none';
        };
    }

    const mouseHandler = (e) => {
        if (!document.querySelector('.pk-ov') || !UI || !UI.ctx) return;

        if (UI.ctx.style.display !== 'none' && !UI.ctx.contains(e.target)) {
            UI.ctx.style.display = 'none';
            UI.ctx.style.flexDirection = '';

            const isRoot = S.path.length === 1 && S.path[0].id === '';
            if (!S.trashMode && isRoot && S.getSelectedCount() === 1) {
                const id = S.getSelectedIds()[0];
                const item = S.itemMap.get(id);
                if (item && item.kind === 'drive#folder' && item.name === CONF.SYSTEM_FOLDER_NAME) {
                    S.clearSelection();
                    renderVisible();
                    updateStat();
                }
            }
        }
    };
    document.addEventListener('mouseup', mouseHandler);

    function updateStat() {
        let total = 0;
        const visibleIdSet = new Set();
        const len = S.display.length;

        for (let i = 0; i < len; i++) {
            const item = S.display[i];
            if (item && !item.isHeader && !(S.movingIds && S.movingIds.has(item.id))) {
                total++;
                visibleIdSet.add(item.id);
            }
        }

        if (S.selMode === 'all') {
            const validExcludedIds = new Set();
            for (const id of S.selEx) {
                if (visibleIdSet.has(id)) validExcludedIds.add(id);
            }
            if (validExcludedIds.size !== S.selEx.size) {
                S.selEx = validExcludedIds;
            }
        } else {
            const validSelectedIds = S.getSelectedIds().filter(id => visibleIdSet.has(id));
            const hadShrink = validSelectedIds.length !== S.getSelectedCount();
            if (hadShrink) {
                S.setExplicitSelection(validSelectedIds);
            }
        }

        const selectedIds = S.getSelectedIds();
        let n = selectedIds.length;

        const btnInvert = document.getElementById('pk-btn-invert');
        if (btnInvert) {
            btnInvert.style.display = (!S.dupMode && n > 0) ? 'flex' : 'none';
            btnInvert.style.color = 'var(--pk-fg)';
        }

        const btnGridInvert = document.getElementById('pk-grid-invert');
        if (btnGridInvert) {
            btnGridInvert.style.display = (!S.dupMode && n > 0) ? 'flex' : 'none';
            btnGridInvert.style.color = 'var(--pk-fg)';
        }

        let hasProtectedItem = false;
        let hasSelFolder = false;
        let selSize = 0;

        if (n > 0) {
            for (const id of selectedIds) {
                const item = S.itemMap.get(id);
                if (!item) continue;
                const sz = parseInt(item.size || 0);

                if (item.kind === 'drive#folder') {
                    hasSelFolder = true;
                    if (S.analyzeMode) {
                        selSize += sz;
                    }
                } else {
                    selSize += sz;
                }
                if (!S.trashMode && isSystemItem(item)) hasProtectedItem = true;
            }
        }

        let statText = L.status_ready.replace('{n}', total);
        if (n > 0) {
            statText += `\u00A0\u00A0\u00A0\u00A0\u00A0\u00A0${L.sel_count.replace('{n}', n)}`;
            if (!S.shareMode && (S.analyzeMode || !hasSelFolder)) {
                statText += `\u00A0\u00A0${fmtSize(selSize)}`;
            }
        }
        UI.stat.textContent = statText;

        const hasSel = n > 0;

        if (UI.btnAria2) UI.btnAria2.disabled = S.trashMode || !hasSel;
        if (UI.btnDown) UI.btnDown.disabled = S.trashMode || !hasSel;

        if (UI.chkAll) {
            let isAll = false;
            let isInd = false;

            if (n > 0 && total > 0) {
                isAll = (n === total);
                isInd = (n < total);
            } else {
                isAll = false;
                isInd = false;
            }

            UI.chkAll.checked = isAll;
            UI.chkAll.indeterminate = isInd;
        }

        const isShare = S.shareMode;
        const isOffline = S.offlineMode;
        const isHistory = S.historyMode;
        const isUpload = S.uploadMode;

        let isSingleVideo = false;
        let isSingleMediaWithCover = false;
        if (n === 1) {
            const id = selectedIds[0];
            const item = S.itemMap.get(id);
            if (item && item.kind !== 'drive#folder') {
                const mime = (item.mime_type || '').toLowerCase();
                const ext = (item.name || '').split('.').pop().toLowerCase();
                const isVid = mime.startsWith('video/') || ['mp4','mkv','avi','mov','wmv','flv','webm','ts'].includes(ext);
                const isImg = mime.startsWith('image/') || ['jpg','jpeg','png','gif','bmp','webp','heic'].includes(ext);
                let isTaskReady = true;
                if (S.offlineMode) isTaskReady = item.phase === 'PHASE_TYPE_COMPLETE';
                if (S.uploadMode) isTaskReady = item.status === 'DONE';

                if (isVid && isTaskReady) isSingleVideo = true;
                if ((isVid || isImg) && isTaskReady) {
                    if (item.thumbnail_link && item.thumbnail_link !== item.icon_link) {
                        const isMax = UI.win.classList.contains('pk-maximized');
                        const isBlur = typeof isBlurEnabledForView === 'function'
                        ? isBlurEnabledForView(isGridView() ? 'grid' : 'list')
                        : (typeof gmGet !== 'undefined' ? gmGet('pk_blur_thumb', false) : false);
                        if (isMax && isBlur) {
                            isSingleMediaWithCover = true;
                        } else if (window.pkGlobalThumbCache && window.pkGlobalThumbCache.has(item.id)) {
                            isSingleMediaWithCover = true;
                        }
                    }
                }
            }
        }

        if (UI.btnExt) UI.btnExt.disabled = S.trashMode || !isSingleVideo;
        if (UI.btnImgSearch) UI.btnImgSearch.disabled = S.trashMode || !isSingleMediaWithCover;

        if (isUpload) {
            if (hasSel) {
                let hasRunning = false;
                let hasStopped = false;

                for (const id of selectedIds) {
                    const task = S.itemMap.get(id);
                    if (task) {
                        const s = task.status;
                        if (['UPLOADING', 'HASHING', 'WAITING', 'RUNNING'].includes(s)) hasRunning = true;
                        if (['PAUSED', 'ERROR'].includes(s)) hasStopped = true;
                    }
                    if (hasRunning && hasStopped) break;
                }

                if (UI.btnUpPause) UI.btnUpPause.disabled = !hasRunning;
                if (UI.btnUpStart) UI.btnUpStart.disabled = !hasStopped;
                if (UI.btnUpDel) UI.btnUpDel.disabled = false;
            } else {
                if (UI.btnUpPause) UI.btnUpPause.disabled = true;
                if (UI.btnUpStart) UI.btnUpStart.disabled = true;
                if (UI.btnUpDel) UI.btnUpDel.disabled = true;
            }
            if (UI.btnUpClearAll) UI.btnUpClearAll.disabled = (S.uploadTasks.length === 0);
        }

        if (UI.btnRetryTask) {
            UI.btnRetryTask.style.display = isOffline ? 'inline-flex' : 'none';
            const hasFailedTask = selectedIds.some(id => S.itemMap.get(id)?.phase === 'PHASE_TYPE_ERROR');
            UI.btnRetryTask.disabled = !hasFailedTask;
        }

        if (UI.btnCopyLinkOffline) {
            UI.btnCopyLinkOffline.style.display = isOffline ? 'inline-flex' : 'none';
            UI.btnCopyLinkOffline.disabled = !hasSel;
        }

        UI.btnCopy.style.display = (isShare || isOffline || isHistory || isUpload) ? 'none' : 'inline-flex';
        UI.btnCut.style.display = (isShare || isOffline || isHistory || isUpload) ? 'none' : 'inline-flex';
        UI.btnRename.style.display = (isShare || isOffline || isHistory || isUpload) ? 'none' : 'inline-flex';
        UI.btnBulkRename.style.display = (isShare || isOffline || isHistory || isUpload) ? 'none' : 'inline-flex';

        UI.btnDel.style.display = (isShare || isUpload) ? 'none' : 'inline-flex';
        const delBtnSpan = UI.btnDel.querySelector('span');
        if (delBtnSpan) {
            delBtnSpan.textContent = isHistory ? L.btn_clear_history : L.btn_del;
            UI.btnDel.setAttribute('data-pk-tip', isHistory ? L.tip_clear_history : L.tip_del);
        }

        if (isShare && UI.btnCancelShare) {
            UI.btnCancelShare.disabled = !hasSel;
        }

        if (UI.btnMigrate) {
            UI.btnMigrate.disabled = !hasSel;
            UI.btnMigrate.style.cursor = UI.btnMigrate.disabled ? 'not-allowed' : 'pointer';
            UI.btnMigrate.style.opacity = UI.btnMigrate.disabled ? '0.4' : '1';
        }

        const hasClipData = S.clipItems && S.clipItems.length > 0;
        const isPasteLocked = S.movingIds && S.movingIds.size > 0;

        if (UI.btnPaste) {
            UI.btnPaste.disabled = !hasClipData || isPasteLocked;
            const cur = S.path[S.path.length - 1];
            const isStarredRoot = S.starredMode && S.path.length === 1;
            const isRecentRoot = S.recentMode && S.path.length === 1;
            const isHistoryRoot = S.historyMode && S.path.length === 1;
            const shouldHidePaste = S.trashMode || S.shareMode || S.offlineMode || S.uploadMode || S.historyMode || S.isFlattened || S.dupMode || isStarredRoot || isRecentRoot || isHistoryRoot || cur.id === 'analyze_root' || cur.id === 'virtual_search_root';

            UI.btnPaste.style.display = shouldHidePaste ? 'none' : 'inline-flex';
            UI.btnPaste.style.cursor = isPasteLocked ? 'wait' : (UI.btnPaste.disabled ? 'not-allowed' : 'pointer');
        }

        UI.btnCopy.disabled = !hasSel || isPasteLocked ;
        UI.btnCut.disabled = !hasSel || isPasteLocked || hasProtectedItem;

        if (UI.btnNewFolder) {
            UI.btnNewFolder.disabled = isPasteLocked;
            if (isPasteLocked) UI.btnNewFolder.style.cursor = 'wait';
            else UI.btnNewFolder.style.cursor = '';
        }
        UI.btnDel.disabled = !hasSel || (n === 1 && hasProtectedItem);

        const isStandardRenameView = !(isShare || isOffline || isHistory || isUpload);
        if (isStandardRenameView) {
            if (n <= 1) {
                UI.btnRename.style.display = 'inline-flex';
                UI.btnBulkRename.style.display = 'none';
                UI.btnRename.disabled = (n === 0) || hasProtectedItem;
            } else {
                UI.btnRename.style.display = 'none';
                UI.btnBulkRename.style.display = 'inline-flex';
                UI.btnBulkRename.disabled = false;
            }
        }

        if (UI.btnRestore) UI.btnRestore.disabled = !hasSel;
        if (UI.btnDelForever) UI.btnDelForever.disabled = !hasSel;

        if (UI.btnPrune) {
            const isHiddenMode = S.isFlattened || S.dupMode || S.shareMode || S.offlineMode || S.uploadMode || S.historyMode;
            UI.btnPrune.style.display = isHiddenMode ? 'none' : 'inline-flex';
            UI.btnPrune.disabled = isHiddenMode || !hasSelFolder;
        }

        if (UI.btnUnzip) {
            const cur = S.path[S.path.length - 1];
            const isRoot = S.path.length === 1;
            const isUnzipHidden = S.shareMode || S.offlineMode || S.uploadMode || S.historyMode || S.isFlattened || S.dupMode || (S.analyzeMode && cur.id === 'analyze_root') || (cur.id === 'virtual_search_root') || (S.recentMode && isRoot) || (S.starredMode && isRoot);
            UI.btnUnzip.style.display = isUnzipHidden ? 'none' : 'inline-flex';
            const isArchive = (it) => {
                if (!it || it.kind === 'drive#folder') return false;
                const n = (it.name || '').toLowerCase();
                const m = (it.mime_type || '').toLowerCase();
                return m.includes('zip') || m.includes('rar') || m.includes('7z') || n.endsWith('.zip') || n.endsWith('.rar') || n.endsWith('.7z');
            };
            const hasArchive = selectedIds.some(id => isArchive(S.itemMap.get(id)));
            UI.btnUnzip.disabled = S.trashMode || !hasArchive;
        }
    }

    async function getLinks() { const res = []; for (const id of S.getSelectedIds()) { let item = S.items.find(x => x.id === id); if (item && !item.web_content_link) { try { item = await apiGet(id); } catch { } } if (item?.web_content_link) res.push(item); } return res; }

    const generateQualityList = (data) => {
        const list =[];
        const seenNames = new Set();

        if (data.web_content_link) {
            list.push({ name: L.str_original, url: data.web_content_link, isOriginal: true });
            seenNames.add(L.str_original);
        }

        const transcodeList =[];
        if (data.medias && Array.isArray(data.medias)) {
            data.medias.forEach(m => {
                if (!m.link || !m.link.url) return;

                let name = m.resolution_name || m.video_stream_id || 'Unknown';
                let streamUrl = m.link.url;

                if (m.video && m.video.video_type === 'mpegts' && !streamUrl.includes('.m3u8')) {
                    streamUrl += '&ext=.m3u8';
                }

                if (name.toLowerCase() === 'unknown' || !name) {
                    name = L.str_original_fast;
                }

                if (name === 'Unknown') { }
                else if (name.includes('1080') || name === 'FHD') name = '1080P';
                else if (name.includes('720') || name === 'HD') name = '720P';
                else if (name.includes('480') || name === 'SD') name = '480P';

                if (seenNames.has(name)) return;
                seenNames.add(name);

                transcodeList.push({ name: name, url: streamUrl, isOriginal: false, rawName: name });
            });
        }

        if (transcodeList.length > 0) {
            const getRank = (s) => {
                const n = s.toUpperCase();
                if (n.includes('4K')) return 100;
                if (n.includes('2K')) return 90;
                if (n.includes('1080')) return 80;
                if (n.includes('720')) return 70;
                if (n.includes('480')) return 60;
                return 10;
            };

            transcodeList.sort((a, b) => getRank(b.rawName) - getRank(a.rawName));

            const highestStream = transcodeList[0];
            if (!highestStream.name.includes('速') && !highestStream.name.includes('Fast') && highestStream.name !== L.str_original_fast) {
                const speedSuffix = (L.str_speed && L.str_speed.includes('速')) ? "(高速)" : "(Fast)";
                highestStream.name = `${highestStream.name} ${speedSuffix}`;
            }
        }

        transcodeList.forEach(t => {
            list.push({ name: t.name, url: t.url, isOriginal: false });
        });

        list.sort((a, b) => {
            if (a.isOriginal) return -1;
            if (b.isOriginal) return 1;

            const getRank = (s) => {
                const n = s.toUpperCase();
                if (n.includes('4K')) return 100;
                if (n.includes('2K')) return 90;
                if (n.includes('1080')) return 80;
                if (n.includes('720')) return 70;
                if (n.includes('480')) return 60;
                return 0;
            };

            const rA = getRank(a.name);
            const rB = getRank(b.name);

            if (rA !== rB) return rB - rA;
            return b.name.localeCompare(a.name, undefined, { numeric: true });
        });

        return list;
    };

    const getBestSource = (data) => {
        const fileName = (data.name || "").toLowerCase();
        const mime = (data.mime_type || '').toLowerCase();
        const generatedList = generateQualityList(data);
        const list = generatedList.map(item => ({
            name: item.name,
            link: item.url,
            active: false,
            weight: 0,
            isOriginal: item.isOriginal
        }));
        const isLegacyFormat = fileName.endsWith('.avi') || fileName.endsWith('.wmv') || fileName.endsWith('.rmvb') || fileName.endsWith('.divx') || fileName.endsWith('.flv') || fileName.endsWith('.vob') || mime.includes('mpeg4') || mime.includes('avi') || mime.includes('x-ms-wmv');
        const isMKV = fileName.endsWith('.mkv');

        list.forEach(item => {
            const n = item.name;
            if (item.isOriginal) {
                item.weight = (isLegacyFormat || isMKV) ? -9999 : 50;
            } else {
                if (n.includes('高速') || n.includes('Fast')) item.weight = 500;
                else if (n === 'Unknown') item.weight = 400;
                else if (n.includes('1080P')) item.weight = 300;
                else if (n.includes('720P')) item.weight = 200;
                else if (n.includes('480P')) item.weight = 100;
                else item.weight = 10;
            }
        });

        let bestMatch = null;
        if (list.length > 0) {
            const sortedByWeight = [...list].sort((a, b) => b.weight - a.weight);
            bestMatch = sortedByWeight[0];
        } else {
            bestMatch = { name: L.str_original, link: data.web_content_link, active: true };
            list.push(bestMatch);
        }

        bestMatch.active = true;
        return { src: bestMatch.link, name: bestMatch.name, list: list };
    };

    async function playVideo(item, startFullscreen = false) {
        if (S.trashMode) return;
        const getPhysicalId = (it) => {
            if ((S.offlineMode && it.kind === 'drive#task') || (S.uploadMode && it.file_id)) {
                return it.file_id || it.id;
            }
            return it.id;
        };

        let pkHls = null;
        let isPlayerDestroyed = false;
        const L = getStrings();

        const isVideoItem = (it) => {
            if (!it || it.isHeader || it.kind === 'drive#folder') return false;
            if (S.offlineMode && it.phase !== 'PHASE_TYPE_COMPLETE') return false;
            if (S.uploadMode && it.status !== 'DONE') return false;
            const m = (it.mime_type || '').toLowerCase();
            const n = (it.name || '').toLowerCase();
            const dur = (it.params && it.params.duration) || 0;
            const vExts = ['mp4','mkv','avi','mov','wmv','flv','webm','ts','m4v','3gp'];
            return m.startsWith('video/') || dur > 0 || vExts.some(e => n.endsWith('.' + e));
        };

        const videoPlaylist = S.display.filter(i => isVideoItem(i));
        let curListIdx = videoPlaylist.findIndex(v => v.id === item.id);
        const totalInList = videoPlaylist.length;
        let isSwitching = false;
        let switchReqId = 0;
        const showSadBox = (codecName) => {
            if (box.querySelector('.pk-err-dialog')) return;
            if (posterEl) {
                posterEl.style.transition = 'none';
                posterEl.style.display = 'flex';
                posterEl.style.opacity = '1';
                posterEl.style.pointerEvents = 'auto';
            }

            const savedPlayer = gmGet('pk_ext_player', 'potplayer');
            const sadBoxSVG = `<svg width="85" height="85" viewBox="0 0 100 100" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M20 45l15-15h30l15 15H20z" fill="#777"/><path d="M20 45L5 30h20l15 15H20z" fill="#999"/><path d="M80 45l15-15H75L60 45h20z" fill="#999"/><path fill-rule="evenodd" d="M20 45h60v35c0 5-5 5-5 5H25c-5 0-5-5-5-5V45zm16.5 14c0 3.3 1.5 6 3.5 6s3.5-2.7 3.5-6-1.5-6-3.5-6-3.5 2.7-3.5 6zm20 0c0 3.3 1.5 6 3.5 6s3.5-2.7 3.5-6-1.5-6-3.5-6-3.5 2.7-3.5 6z" fill="#aaa"/><path d="M38 16a12 8 0 1 0 24 0a12 8 0 1 0-24 0M48 24l2 3.5l2-3.5h-4z" fill="#aaa"/><path d="M47 13l6 6M53 13l-6 6" stroke="#181818" stroke-width="1.8" stroke-linecap="round"/></svg>`;
            const recommended = qualityList.find(q => !q.isOriginal) || qualityList[0];
            const recommendedUrl = recommended.link || recommended.url;
            const resOptions = qualityList.map(q => {
                const qUrl = q.link || q.url;
                const isSelected = qUrl === recommendedUrl;
                return `<option value="${qUrl}" ${isSelected ? 'selected' : ''}>${q.name}</option>`;
            }).join('');
            const lblRes = L.lbl_resolution;
            const dialog = document.createElement('div');
            dialog.className = 'pk-err-dialog';
            dialog.style.cssText = "position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(30, 30, 30, 0.85);backdrop-filter:blur(12px);border-radius:12px;padding:40px 50px;display:flex;flex-direction:column;align-items:center;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,0.8);z-index:999;min-width:400px;border:1px solid rgba(255,255,255,0.1);";
            dialog.innerHTML = `
                <div class="pk-err-close" style="position:absolute;top:15px;right:15px;cursor:pointer;color:#fff;padding:5px;display:flex;align-items:center;justify-content:center;opacity:0.7;transition:opacity 0.2s;" onmouseover="this.style.opacity=1" onmouseout="this.style.opacity=0.7"><svg viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M18 6L6 18M6 6l12 12"/></svg></div>
                <div style="margin-bottom:20px;">${sadBoxSVG}</div>
                <div style="font-size:16px;font-weight:bold;color:#fff;margin-bottom:10px;max-width:400px;line-height:1.4;">${L.err_codec_t1.replace('{c}', codecName)}</div>
                <div style="font-size:12px;color:#999;margin-bottom:30px;">${L.err_codec_t2}</div>

                <div style="display:grid;grid-template-columns:80px 1fr;gap:15px;align-items:center;width:100%;margin-bottom:15px;">
                    <div style="color:#ccc;font-size:14px;text-align:right;">${lblRes}</div>
                    <div style="position:relative;">
                        <select id="pk_err_res_sel" style="width:100%;padding:8px 12px;border-radius:6px;background:rgba(0,0,0,0.3);color:#fff;border:1px solid #444;outline:none;cursor:pointer;font-size:14px;">
                            ${resOptions}
                        </select>
                    </div>
                </div>

                <div style="display:grid;grid-template-columns:80px 1fr;gap:15px;align-items:center;width:100%;margin-bottom:25px;">
                    <div style="color:#ccc;font-size:14px;text-align:right;">${L.lbl_player}</div>
                    <div style="position:relative;">
                        <select id="pk_err_player_sel" style="width:100%;padding:8px 12px;border-radius:6px;background:rgba(0,0,0,0.3);color:#fff;border:1px solid #444;outline:none;cursor:pointer;font-size:14px;">
                            <option value="potplayer" selected>PotPlayer</option>
                            <option value="other">${L.opt_player_other}</option>
                        </select>
                    </div>
                </div>
                <button id="pk_err_launch_btn" style="background:#fff;color:#000;border:none;padding:10px 40px;border-radius:6px;font-size:14px;font-weight:bold;cursor:pointer;transition:background 0.2s;">${L.btn_start_play}</button>
            `;

            box.appendChild(dialog);

            const showLinkModal = (url) => {
                const old = d.querySelector('.pk-link-export-ov');
                if (old) old.remove();

                const ov = document.createElement('div');
                ov.className = 'pk-link-export-ov';
                ov.style.cssText = "position:absolute; inset:0; background:rgba(0,0,0,0.9); backdrop-filter:blur(5px); z-index:2147483647; display:flex; align-items:center; justify-content:center; border-radius:inherit;";

                const m = document.createElement('div');
                m.className = 'pk-modal';
                m.style.cssText = "position:relative;background:#222;padding:30px;border-radius:12px;width:500px;border:1px solid #444;box-shadow:0 20px 50px rgba(0,0,0,0.8);display:flex;flex-direction:column;gap:20px;text-align:left;";

                m.innerHTML = `
                    <div class="pk-modal-close" style="position:absolute;top:15px;right:15px;cursor:pointer;color:#aaa;">${mkSvg(icons.close)}</div>
                    <h3 style="margin:0;font-size:16px;color:#fff;">${L.export_link_title}</h3>
                    <div class="pk-field">
                        <textarea readonly style="width:100%;height:100px;background:#111;color:#4caf50;border:1px solid #333;border-radius:6px;padding:10px;font-family:monospace;font-size:12px;resize:none;word-break:break-all;outline:none;">${url}</textarea>
                    </div>
                    <div class="pk-modal-act" style="justify-content:flex-end;display:flex;gap:10px;">
                        <button class="pk-btn" id="pk_link_cancel" style="border:1px solid #444;background:transparent;color:#ddd;">${L.btn_close}</button>
                        <button class="pk-btn pri" id="pk_copy_link_btn" style="background:var(--pk-pri);color:#fff;border:none;padding:8px 20px;border-radius:6px;font-weight:bold;cursor:pointer;">${L.btn_copy_link}</button>
                    </div>
                `;

                ov.appendChild(m);
                d.appendChild(ov);

                const doClose = () => ov.remove();
                m.querySelector('.pk-modal-close').onclick = doClose;
                m.querySelector('#pk_link_cancel').onclick = doClose;

                const cpBtn = m.querySelector('#pk_copy_link_btn');
                const txt = m.querySelector('textarea');
                setTimeout(() => txt.select(), 50);

                cpBtn.onclick = () => {
                    GM_setClipboard(url);
                    cpBtn.textContent = L.msg_copy_success;
                    setTimeout(() => { cpBtn.textContent = L.btn_copy_link; }, 2000);
                };

                ov.onclick = (evt) => { if(evt.target === ov) doClose(); };
                m.onclick = (ev) => ev.stopPropagation();
            };

            dialog.querySelector('.pk-err-close').onclick = (e) => {
                e.stopPropagation();
                dialog.remove();
            };

            dialog.onclick = (e) => e.stopPropagation();

            const playerSel = dialog.querySelector('#pk_err_player_sel');
            const launchBtn = dialog.querySelector('#pk_err_launch_btn');

            playerSel.onchange = () => {
                launchBtn.textContent = (playerSel.value === 'other') ? L.btn_copy_link : L.btn_start_play;
            };
            launchBtn.textContent = L.btn_start_play;

            launchBtn.onclick = (e) => {
                e.stopPropagation();
                const selPlayer = playerSel.value;
                const selResLink = dialog.querySelector('#pk_err_res_sel').value;
                const selResName = dialog.querySelector('#pk_err_res_sel').options[dialog.querySelector('#pk_err_res_sel').selectedIndex].text;

                gmSet('pk_ext_player', selPlayer);

                let cleanLink = selResLink.replace('&ext=.m3u8', '');
                if (cleanLink.includes('ts_downloader') && cleanLink.includes('url=')) {
                    const urlParam = new URL(cleanLink).searchParams.get('url');
                    if (urlParam) cleanLink = decodeURIComponent(urlParam);
                }

                if (selPlayer === 'other') {
                    GM_setClipboard(cleanLink);
                    launchBtn.textContent = L.msg_copy_success;
                    launchBtn.style.background = "#52c41a";
                    launchBtn.style.color = "#fff";
                    setTimeout(() => {
                        if (typeof destroyPlayer === 'function') destroyPlayer();
                    }, 800);
                }
                else if (selPlayer === 'potplayer') {
                    const ua = navigator.userAgent.replace(/"/g, '');
                    const cmd = `${cleanLink} /user_agent="${ua}" /referer="https://mypikpak.com/"`;
                    window.location.href = `potplayer://${cmd}`;
                    destroyPlayer();
                }
                else {
                    const curT = v.currentTime;
                    currentLink = selResLink;
                    currentResName = selResName;

                    box.classList.add('buffering');
                    if (posterEl) {
                        if (v.readyState >= 2 && v.currentTime > 0) {
                            try {
                                const cvs = document.createElement('canvas');
                                cvs.width = v.videoWidth; cvs.height = v.videoHeight;
                                cvs.getContext('2d').drawImage(v, 0, 0);
                                posterEl.querySelector('img').src = cvs.toDataURL('image/jpeg', 0.7);
                            } catch (err) {}
                        }
                        posterEl.style.display = 'flex';
                        posterEl.style.opacity = '1';
                    }

                    if(resTxt) resTxt.textContent = currentResName;
                    if(resList) {
                        resList.innerHTML = renderQualityMenu(qualityList, currentResName);
                        bindResEvents();
                    }

                    dialog.remove();
                    shutterTargetTime = curT > 0.1 ? curT : 0;
                    loadSource(currentLink, curT);
                    v.play().catch(()=>{});
                }
            };
        };

        const renderPlaylistItems = () => {
            const RANGE = 150;
            const start = Math.max(0, curListIdx - RANGE);
            const end = Math.min(videoPlaylist.length, curListIdx + RANGE + 1);

            return videoPlaylist.slice(start, end).map((v, i) => {
                const absIdx = start + i;
                const coverSrc = (v.thumbnail_link && v.thumbnail_link !== v.icon_link) ? v.thumbnail_link : '';
                const phSrc = v.icon_link || v.thumbnail_link || '';
                const phSvg = getIcon(v);
                return `
            <div class="pk-p-plist-item ${absIdx === curListIdx ? 'active' : ''}"
                 data-idx="${absIdx}"
                 data-name="${esc(v.name)}"
                 data-size="${fmtSize(v.size)}">
                <div class="pk-p-plist-ph">
                    ${phSrc ? `<img src="${phSrc}" draggable="false">` : phSvg}
                </div>
                ${coverSrc ? `<img src="${coverSrc}" style="filter:none !important;opacity:0;" draggable="false" onload="this.style.opacity='1';if(this.previousElementSibling)this.previousElementSibling.style.display='none';" onerror="this.remove();if(this.previousElementSibling)this.previousElementSibling.style.display='flex';" loading="lazy">` : ``}
            </div>
        `;
            }).join('');
        };

        const triggerResume = (targetVideo, targetItem) => {
            if (targetVideo._hasShownResumeToast || hasUserSeeked || targetVideo._isRestarting) return;
            const savedData = gmGet('pk_progress_' + getPhysicalId(targetItem), 0);
            let savedT = 0;
            if (typeof savedData === 'number') {
                savedT = savedData;
            } else if (savedData && typeof savedData === 'object') {
                savedT = parseFloat(savedData.t || 0);
            }

            const skipOp = parseInt(gmGet('pk_skip_intro', 0)) || 0;

            if (savedT > 5 || skipOp > 0) {
                targetVideo._hasShownResumeToast = true;
            } else {
                return;
            }

            const showToast = (text) => {
                const oldToast = d.querySelector('.pk-p-resume-toast');
                if (oldToast) oldToast.remove();
                const toast = document.createElement('div');
                toast.className = 'pk-p-resume-toast';
                toast.style.zIndex = "150";
                toast.innerHTML = `<span>${text}</span><span class="pk-p-resume-btn" id="pk_re_start">${L.btn_restart}</span><div class="pk-p-resume-close" id="pk_re_close">${mkSvg(icons.close)}</div>`;
                d.querySelector('#pk_p_box').appendChild(toast);

                toast.querySelector('#pk_re_start').onclick = (e) => {
                    e.stopPropagation();
                    if (tCur) tCur.textContent = "00:00:00";
                    if (progFilled) progFilled.style.setProperty('width', '0%', 'important');
                    shutterTargetTime = 0.1;
                    targetVideo._isRestarting = true;
                    targetVideo.currentTime = 0;
                    toast.remove();
                };
                toast.querySelector('#pk_re_close').onclick = (e) => { e.stopPropagation(); toast.remove(); };
                setTimeout(() => { if(toast.parentNode) toast.remove(); }, 8000);
            };

            if (savedT > 5) {
                showToast(L.msg_resume_hint.replace('{t}', fmtT(savedT)));
            } else if (skipOp > 0) {
                const dp = d.querySelector('.pk-player-box');
                if(dp && !dp.querySelector('.pk-skip-toast')) {
                    const tip = document.createElement('div');
                    tip.className = 'pk-skip-toast';
                    tip.style.cssText = "position:absolute;top:80px;left:20px;background:rgba(0,0,0,0.6);color:#ddd;padding:4px 8px;border-radius:4px;font-size:12px;pointer-events:none;animation:pkFadeIn 0.5s;";
                    tip.textContent = `${L.lbl_skip_op} ${skipOp}s`;
                    dp.appendChild(tip);
                    setTimeout(()=>tip.remove(), 3000);
                }
            }
        };

        const softSwitch = async (newIdx, scrollMode = 'smooth') => {
            if (!videoPlaylist[newIdx]) return;

            switchReqId++;
            const myReqId = switchReqId;
            isSwitching = true;
            const v = d.querySelector('#pk_video');
            const loader = d.querySelector('.pk-p-loading');
            const poster = d.querySelector('#pk_p_poster');
            if (v && v.currentTime > 5 && v.duration > 0) {
                gmSet('pk_progress_' + getPhysicalId(item), {
                    t: v.currentTime,
                    d: v.duration,
                    ts: Date.now()
                });
            }

            if (v) {
                v.pause();
                v._isRestarting = false;
                v._hasShownResumeToast = false;
                Array.from(v.querySelectorAll('track')).forEach(t => t.remove());

                if (subState.blobUrl) {
                    URL.revokeObjectURL(subState.blobUrl);
                    subState.blobUrl = null;
                }
                subState.hasSub = false;
                subState.track = null;

                const subNameLabel = d.querySelector('#pk_sub_name');
                if (subNameLabel) subNameLabel.textContent = L.str_no_sub;

                v.src = "";
                v.load();
            }

            isSwitching = false;
            if (progFilled) progFilled.style.setProperty('width', '0%', 'important');
            const newItem = videoPlaylist[newIdx];
            if (tCur) tCur.textContent = '00:00:00';
            if (tDur) {
                const newPId = getPhysicalId(newItem);
                const knownDur = (newItem.params && newItem.params.duration) ||
                                 S.durationMap.get(newPId) ||
                                 gmGet('pk_duration_' + newPId, 0);
                tDur.textContent = knownDur > 0 ? fmtT(knownDur) : '00:00:00';
            }

            transformState = { rotate: 0, flipH: 1, flipV: 1, ratio: 'default' };
            if (typeof applyTransform === 'function') applyTransform();

            const ratioBtns = d.querySelectorAll('#pk_ratio_opts .pk-size-btn');
            ratioBtns.forEach(btn => {
                if (btn.dataset.ratio === 'default') btn.classList.add('active');
                else btn.classList.remove('active');
            });

            if (loader) loader.style.display = 'block';
            hasCheckedProgress = false;
            const oldResumeToast = d.querySelector('.pk-p-resume-toast');
            if (oldResumeToast) oldResumeToast.remove();
            const errDialogs = d.querySelectorAll('.pk-err-dialog');
            errDialogs.forEach(el => el.remove());
            const linkOvs = d.querySelectorAll('.pk-link-export-ov');
            linkOvs.forEach(el => el.remove());
            const searchModal = d.querySelector('.pk-sub-search-modal');
            if (searchModal) searchModal.remove();
            const btnSearchS = d.querySelector('#pk_p_search');
            if (btnSearchS) btnSearchS.style.setProperty('display', 'none', 'important');
            const btnPipS = d.querySelector('#pk_p_pip');
            if (btnPipS) btnPipS.style.setProperty('display', 'none', 'important');

            curListIdx = newIdx;
            item = newItem;

            if (posterEl) {
                posterEl.style.transition = 'none';
                posterEl.style.display = 'flex';
                posterEl.style.opacity = '1';

                const img = posterEl.querySelector('img');
                if (img && newItem.thumbnail_link) {
                    img.style.display = 'block';
                    img.src = newItem.thumbnail_link.replace('SIZE_MEDIUM', 'SIZE_LARGE');
                    img.style.opacity = '0';
                    img.onload = () => {
                        img.style.opacity = '1';
                        if (btnSearchS) btnSearchS.style.setProperty('display', 'flex', 'important');
                    };
                    img.onerror = () => img.style.display = 'none';
                } else if (img) {
                    img.style.display = 'none';
                }

                setTimeout(() => { posterEl.style.transition = 'opacity 0.4s ease'; }, 50);
            }

            if (loaderEl) loaderEl.style.display = 'block';

            const pTitle = d.querySelector('.pk-player-title');
            if(pTitle) pTitle.textContent = `[${newIdx + 1}/${totalInList}] ${newItem.name}`;
            const pTab = d.querySelector('#pk_p_plist_tab');
            if(pTab) pTab.innerHTML = `${curListIdx + 1} / ${totalInList} <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="18 15 12 9 6 15"></polyline></svg>`;

            if (pScroll) {
                syncVideoPlistItems(
                    scrollMode === 'instant'
                    ? 'instant'
                    : (box.classList.contains('plist-active') ? 'smooth' : false)
                );
            }

            const btnL = d.querySelector('#pk_p_side_L');
            const btnR = d.querySelector('#pk_p_side_R');
            if (btnL) btnL.style.display = newIdx === 0 ? 'none' : 'flex';
            if (btnR) btnR.style.display = newIdx === totalInList - 1 ? 'none' : 'flex';

            if (typeof updatePlistNav === 'function') updatePlistNav();

            hasUserSeeked = false;

            try {
                const targetApiId = getPhysicalId(newItem);
                const newData = await apiGet(targetApiId);
                if (newData) {
                    if (newData.thumbnail_link) newItem.thumbnail_link = newData.thumbnail_link;
                    if (newData.icon_link) newItem.icon_link = newData.icon_link;
                }

                if (myReqId !== switchReqId) return;
                const freshData = getBestSource(newData);
                currentResName = freshData.name;
                currentLink = freshData.src;
                qualityList = freshData.list;
                const resTxt = d.querySelector('#pk_p_res_txt');
                if (resTxt) resTxt.textContent = currentResName;
                const resList = d.querySelector('#pk_p_res_list');
                if (resList) {
                    resList.innerHTML = renderQualityMenu(qualityList, currentResName);
                    bindResEvents();
                }
                loadSource(freshData.src, null);
                if (typeof ThumbnailEngine !== 'undefined') {
                    ThumbnailEngine.resetSource(freshData.src);
                }
                if(poster) poster.style.display = 'block';
                if (d.querySelector('#pk_sub_name')) d.querySelector('#pk_sub_name').textContent = L.str_no_sub;
                autoMatchSubtitle(newItem);

                triggerResume(v, newItem);
                if (!isPlayerDestroyed) {
                    await v.play().catch(()=>{});
                }

                if (!v.paused && !isPlayerDestroyed) {
                    box.classList.add('pk-v-started');
                    stopSpinner();
                }
                updateState();

            } catch (err) {
                if (myReqId === switchReqId) console.error("[SoftSwitch] Critical Error:", err);
            } finally {
                if (myReqId === switchReqId) {
                    if(loader) loader.style.display = 'none';
                }
            }
        };

        const loadSource = (url, customStartTime = null) => {
            let startTime = 0;
            const skipOp = parseInt(gmGet('pk_skip_intro', 0)) || 0;
            const pId = getPhysicalId(item);

            if (customStartTime !== null) {
                startTime = customStartTime;
            } else {
                const savedData = gmGet('pk_progress_' + pId, 0);
                let historyTime = 0;

                if (typeof savedData === 'number') {
                    historyTime = savedData;
                } else if (savedData && typeof savedData === 'object') {
                    historyTime = parseFloat(savedData.t || 0);
                }

                if (historyTime > 5) {
                    startTime = historyTime;
                } else if (skipOp > 0) {
                    const knownDur = (item.params && item.params.duration) || S.durationMap.get(pId) || gmGet('pk_duration_' + pId, 0);
                    if (knownDur > 0 && skipOp >= knownDur) {
                        console.warn(`[AutoSkip] Intro skip (${skipOp}s) exceeds total duration (${knownDur}s), ignored.`);
                        startTime = 0;
                    } else {
                        startTime = skipOp;
                    }
                }
            }

            shutterTargetTime = startTime > 1 ? startTime : 0;
            if (tCur) tCur.textContent = fmtT(startTime);
            const totalDur = (item.params && item.params.duration) ||
                             S.durationMap.get(pId) ||
                             gmGet('pk_duration_' + pId, 0);

            if (progFilled && totalDur > 0) {
                const pct = Math.min(100, (startTime / totalDur) * 100);
                progFilled.style.setProperty('width', `${pct}%`, 'important');
            }

            if (pkHls) {
                pkHls.destroy();
                pkHls = null;
            }

            const isM3u8 = url.includes('.m3u8');

            if (isM3u8 && window.Hls && window.Hls.isSupported()) {
                let finalPlayUrl = url;
                if (url.includes('&ext=.m3u8')) {
                    const isHevc = (item.params?.video_codec === 'hevc') || (item.video_media_metadata?.video_codec === 'hevc');
                    if (isHevc) {
                        console.log("[Hls] HEVC stream detected. Bypassing JS check to force hardware decoding.");
                    }

                    const realUrl = url.replace('&ext=.m3u8', '');
                    const duration = (item.params && item.params.duration) ? parseInt(item.params.duration) : 36000;

                    const syntheticManifest =
                        `#EXTM3U\n` +
                        `#EXT-X-VERSION:3\n` +
                        `#EXT-X-TARGETDURATION:${duration + 10}\n` +
                        `#EXT-X-PLAYLIST-TYPE:VOD\n` +
                        `#EXTINF:${duration},\n` +
                        `${realUrl}\n` +
                        `#EXT-X-ENDLIST`;

                    const blob = new Blob([syntheticManifest], { type: 'application/x-mpegurl' });
                    finalPlayUrl = URL.createObjectURL(blob);
                    console.log("[Hls] Generated synthetic manifest for TS stream");
                }

                pkHls = new window.Hls({
                    debug: false,
                    enableWorker: true,
                    lowLatencyMode: true,
                    startPosition: startTime,
                    fragLoadingMaxRetry: 1,
                    manifestLoadingMaxRetry: 1,
                    levelLoadingMaxRetry: 1,
                    fragLoadingTimeOut: 15000,
                    manifestLoadingTimeOut: 10000,
                    maxBufferHole: 0.5,
                    maxFragLookUpTolerance: 0.1,
                    nudgeOffset: 0.1,
                    nudgeMaxRetry: 5,
                    maxBufferLength: 120,
                    maxMaxBufferLength: 600,
                    backBufferLength: 90,
                    maxBufferHole: 0.5,
                    startLevel: -1,
                    capLevelToPlayerSize: false
                });
                pkHls.loadSource(finalPlayUrl);
                pkHls.attachMedia(v);
                const healthTimer = setInterval(() => {
                    if (!pkHls || isPlayerDestroyed) { clearInterval(healthTimer); return; }

                    if (box.classList.contains('buffering')) {
                        if (!v._bufferingSince) v._bufferingSince = Date.now();
                        const isColdStart = v.currentTime < 1.0;
                        const timeoutThreshold = isColdStart ? 60000 : 20000;

                        if (Date.now() - v._bufferingSince > timeoutThreshold) {
                            console.warn(`[Watchdog] Buffering timeout (${isColdStart ? 'Cold Start' : 'Mid-Stream'}). Forcing error...`);
                            clearInterval(healthTimer);
                            handleVideoError({ force: true, target: v });
                        }
                    } else {
                        v._bufferingSince = null;
                    }

                    if (!v.paused && v.currentTime > 0.5) {
                        if (v.videoWidth === 0 || v.videoHeight === 0) {
                             v._blackScreenCount = (v._blackScreenCount || 0) + 1;
                        }
                        else {
                            const quality = v.getVideoPlaybackQuality ? v.getVideoPlaybackQuality() : null;
                            const decodedFrames = quality ? quality.totalVideoFrames : (v.webkitDecodedFrameCount || 0);

                            if (decodedFrames === 0) {
                                v._blackScreenCount = (v._blackScreenCount || 0) + 1;
                            } else {
                                v._blackScreenCount = 0;
                            }
                        }

                        if (v._blackScreenCount > 3) {
                            console.warn(`[Watchdog] Black screen detected (Time: ${v.currentTime.toFixed(1)}, Frames: 0). Forcing external player.`);
                            clearInterval(healthTimer);
                            handleVideoError({ force: true, target: v });
                        }
                    }
                }, 1000);

                pkHls.on(window.Hls.Events.LEVEL_LOADED, function (event, data) {
                    if (!data.details || !data.details.videoCodec) return;

                    const vCodec = data.details.videoCodec.toLowerCase();
                    const isBadVideo = vCodec.includes('mp4v') || vCodec.includes('hvc1') || vCodec.includes('hev1');

                    if (isBadVideo) {
                        const testMime = `video/mp4; codecs="${vCodec}"`;
                        if (window.MediaSource && !window.MediaSource.isTypeSupported(testMime)) {
                            console.warn(`[VideoCheck] Unsupported video codec detected: ${vCodec}`);
                            v.pause();
                            showSadBox(vCodec);

                            if (pkHls) { pkHls.destroy(); pkHls = null; }
                        }
                    }
                });

                pkHls.on(window.Hls.Events.AUDIO_TRACKS_UPDATED, function (event, data) {
                    const tracks = data.audioTracks || [];
                    let detectedBadCodec = null;

                    for (const track of tracks) {
                        const codec = (track.codec || '').toLowerCase();
                        const name = (track.name || '').toLowerCase();

                        const isSuspicious =
                            codec.includes('ac-3') || codec.includes('ec-3') || codec.includes('dts') ||
                            name.includes('dts') || name.includes('truehd') || name.includes('atmos');

                        if (isSuspicious) {
                            const testMime = `audio/mp4; codecs="${track.codec || 'ac-3'}"`;
                            if (window.MediaSource && !window.MediaSource.isTypeSupported(testMime)) {
                                detectedBadCodec = codec || name;
                                break;
                            }
                        }
                    }

                    if (detectedBadCodec) {
                        console.warn(`[AudioCheck] Unsupported codec detected: ${detectedBadCodec}`);
                        v.pause();
                        showSadBox(detectedBadCodec.toUpperCase());
                    }
                });

                pkHls.on(window.Hls.Events.ERROR, function (event, data) {
                    if (data.fatal) {
                        switch (data.type) {
                            case window.Hls.ErrorTypes.NETWORK_ERROR:
                                if (data.response && (data.response.code === 403 || data.response.code === 404 || data.response.code === 401)) {
                                    console.warn(`[Hls] Fatal Network Error (${data.response.code}). Triggering rollback.`);
                                    handleVideoError({ target: v });
                                } else {
                                    console.log("[Hls] Network error, trying to recover...");
                                    pkHls.startLoad();
                                }
                                break;
                            case window.Hls.ErrorTypes.MEDIA_ERROR:
                                pkHls.recoverMediaError();
                                setTimeout(() => {
                                    if (v.paused && !box.querySelector('.pk-err-dialog')) {
                                        handleVideoError({ target: v });
                                    }
                                }, 1500);
                                break;
                            default:
                                handleVideoError({ target: v });
                                break;
                        }
                    } else if (data.details === 'bufferStalledError' && v.currentTime < 1) {
                        handleVideoError({ target: v });
                    }
                });
            } else {
                v.src = url;
                if (startTime > 0) {
                    v.currentTime = startTime;
                }
            }
        };

        let initialData = getBestSource(item);
        let currentLink = initialData.src;
        let qualityList = initialData.list;
        let currentResName = initialData.name;
        let lastWorkingLink = null;
        let lastWorkingResName = null;
        const failedUrls = new Set();
        let posterUrl = item.thumbnail_link || '';
        if (posterUrl && posterUrl.includes('SIZE_MEDIUM')) {
            posterUrl = posterUrl.replace('SIZE_MEDIUM', 'SIZE_LARGE');
        }

        try {
            const linkUrl = new URL(currentLink);
            const linkDomain = linkUrl.origin;
            if (!document.head.querySelector(`link[href="${linkDomain}"]`)) {
                const pc = document.createElement('link');
                pc.rel = 'preconnect';
                pc.href = linkDomain;
                pc.crossOrigin = 'anonymous';
                document.head.appendChild(pc);
            }
        } catch(e) {}

        const d = document.createElement('div');
        d.id = 'pk-player-ov';
        d.className = 'pk-ov pk-dark';
        d.tabIndex = 0;
        d.style.cssText = "position:fixed;inset:0;z-index:2147483640;background:rgba(0,0,0,0.9);display:flex;justify-content:center;align-items:center;outline:none;will-change:transform;";

        const icons = {
            play: '<path d="M9.5,4.3c-1.1-0.7-2.6,0.1-2.6,1.4v12.6c0,1.3,1.5,2.1,2.6,1.4l10.3-6.3c1.1-0.7,1.1-2.2,0-2.9L9.5,4.3z"/>',
            playCenter: '<path d="M7.7,4.3c-1.1-0.7-2.6,0.1-2.6,1.4v12.6c0,1.3,1.5,2.1,2.6,1.4l10.3-6.3c1.1-0.7,1.1-2.2,0-2.9L7.7,4.3z"/>',
            pause: '<path d="M6 19h4V5H6v14zm8-14v14h4V5h-4z"/>',
            vol: '<path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02zM14 3.23v2.06c2.89.86 5 3.54 5 6.71s-2.11 5.85-5 6.71v2.06c4.01-.91 7-4.49 7-8.77s-2.99-7.86-7-8.77z"/>',
            mute: '<path d="M16.5 12c0-1.77-1.02-3.29-2.5-4.03v2.21l2.45 2.45c.03-.2.05-.41.05-.63zm2.5 0c0 .94-.2 1.82-.54 2.64l1.51 1.51C20.63 14.91 21 13.5 21 12c0-4.28-2.99-7.86-7-8.77v2.06c2.89.86 5 3.54 5 6.71zM4.27 3L3 4.27 7.73 9H3v6h4l5 5v-6.73l4.25 4.25c-.67.52-1.42.93-2.25 1.18v2.06c1.38-.31 2.63-.95 3.69-1.81L19.73 21 21 19.73 4.27 3zM12 4L9.91 6.09 12 8.18V4z"/>',
            full: '<path d="M7 14H5v5h5v-2H7v-3zm-2-4h2V7h3V5H5v5zm12 7h-3v2h5v-5h-2v3zM14 5v2h3v3h2V5h-5z"/>',
            settings: '<path d="M3 17v2h6v-2H3zM3 5v2h10V5H3zm10 16v-2h8v-2h-8v-2h-2v6h2zM7 9v2H3v2h4v2h2V9H7zm14 4v-2H11v2h10zm-6-4h2V7h4V5h-4V3h-2v6z"/>',
            exitFull: '<path d="M5 16h3v3h2v-5H5v2zm3-8H5v2h5V5H8v3zm6 11h2v-3h3v-2h-5v5zm2-11V5h-2v5h5V8h-3z"/>',
            close: '<path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>',
            search: '<g transform="scale(0.0234375)"><path d="M107.739429 580.388571a365.860571 365.860571 0 0 0 648.630857 85.504L635.611429 532.48a36.571429 36.571429 0 0 0-56.612572 2.852571l-39.131428 53.101715a109.714286 109.714286 0 0 1-167.716572 10.605714L235.008 455.387429a36.571429 36.571429 0 0 0-58.002286 6.729142l-69.266285 118.272z m-19.894858-110.738285l26.038858-44.470857a109.714286 109.714286 0 0 1 174.08-20.333715l137.216 143.798857a36.571429 36.571429 0 0 0 55.881142-3.584l39.131429-53.101714a109.714286 109.714286 0 0 1 169.691429-8.484571l102.985142 113.810285A365.714286 365.714286 0 1 0 87.844571 469.577143z m658.139429 318.317714a438.857143 438.857143 0 1 1 50.029714-52.736c1.316571 1.024 2.56 2.194286 3.803429 3.437714l206.921143 206.848a36.571429 36.571429 0 0 1-51.712 51.712l-206.921143-206.848a37.083429 37.083429 0 0 1-2.194286-2.413714zM526.628571 314.514286a73.142857 73.142857 0 1 1 0-146.285715 73.142857 73.142857 0 0 1 0 146.285715z" fill="currentColor"></path></g>',
            pip: '<g transform="scale(0.0234375)"><path d="M768 213.333333H256a85.333333 85.333333 0 0 0-85.333333 85.333334v426.666666a85.333333 85.333333 0 0 0 85.333333 85.333334h170.666667a42.666667 42.666667 0 1 1 0 85.333333H256a170.666667 170.666667 0 0 1-170.666667-170.666667V298.666667a170.666667 170.666667 0 0 1 170.666667-170.666667h512a170.666667 170.666667 0 0 1 170.666667 170.666667v128a42.666667 42.666667 0 1 1-85.333334 0V298.666667a85.333333 85.333333 0 0 0-85.333333-85.333334z m-128 341.333334a128 128 0 0 0-128 128v85.333333a128 128 0 0 0 128 128h170.666667a128 128 0 0 0 128-128v-85.333333a128 128 0 0 0-128-128h-170.666667z" fill="currentColor"></path></g>',
            rotL: '<path d="M3 12a9 9 0 1 0 9-9 9.75 9.75 0 0 0-6.74 2.74L3 8" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/><path d="M3 3v5h5" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>',
            rotR: '<path d="M21 12a9 9 0 1 1-9-9 9.75 9.75 0 0 1 6.74 2.74L21 8" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/><path d="M21 3v5h-5" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>',
            flipH: '<path d="M17 7l5 5-5 5M7 17l-5-5 5-5M2 12h20" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>',
            flipV: '<path d="M7 7l5-5 5 5M17 17l-5 5-5-5M12 2v20" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>'
        };

        const mkSvg = (path) => `<svg viewBox="0 0 24 24">${path}</svg>`;
        const renderQualityMenu = (list, activeName) => list.map(q => {
            const displayName = q.name.replace(/\s(\(|\uff08)/, '<br>$1');
            return `<div class="pk-p-item ${q.name === activeName ? 'active' : ''}" data-link="${q.link}" style="line-height:1.3; padding:8px 12px;">${displayName}</div>`;
        }).join('');

        const styleEl = document.createElement('style');
        styleEl.textContent = `
        .pk-player-box.ui-hidden .pk-player-top, .pk-player-box.ui-hidden .pk-player-controls, .pk-player-box.ui-hidden .pk-p-prog-wrap, .pk-player-box.ui-hidden .pk-p-side-nav { opacity: 0 !important; pointer-events: none !important; }
        .pk-player-box.ui-hidden:not(.plist-active) .pk-p-plist-tab { opacity: 0 !important; pointer-events: none !important; }
        .pk-player-box.ui-hidden .pk-p-center-play { opacity: 1 !important; pointer-events: none; }
        .pk-player-box.ui-hidden { cursor: none; }
        .pk-p-pop { flex-direction: column !important; }
        .pk-p-eye { transition: transform 1.0s cubic-bezier(0.2, 0, 0.2, 1); transform: translate3d(0,0,0); backface-visibility: hidden; image-rendering: -webkit-optimize-contrast; }
        .pk-look-r .pk-p-eye { transform: translate3d(24px,0,0); }
        .pk-look-l .pk-p-eye { transform: translate3d(-24px,0,0); }
        .pk-eye-closed { display: none; }
        .pk-player-progress-thumb.pk-blink-anim .pk-eye-open { display: none; }
        .pk-player-progress-thumb.pk-blink-anim .pk-eye-closed { display: block; }
        .pk-player-progress-thumb { position: absolute; top: 50% !important; transform: perspective(1px) translateY(-50%) scale(0) translateZ(0) !important; opacity: 0 !important; will-change: transform, opacity; transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s !important; image-rendering: -webkit-optimize-contrast; }
        .pk-player-progress-bg { transition: height 0.2s ease !important; transform: translateZ(0); backface-visibility: hidden; -webkit-perspective: 1000; }
        #pk_p_prog_area:hover .pk-player-progress-thumb, .pk-player-box.pk-is-seeking .pk-player-progress-thumb, .pk-player-progress-thumb.pk-blink-hold { transform: perspective(1px) translateY(-50%) scale(1) translateZ(0) !important; opacity: 1 !important; }
        #pk_p_prog_area:hover .pk-player-progress-bg, .pk-player-box.pk-is-seeking .pk-player-progress-bg, .pk-player-progress-bg:has(.pk-blink-hold) { height: 6px !important; }
        #pk_p_box:not(.pk-is-seeking) #pk_p_plist:hover ~ .pk-player-controls, #pk_p_box:not(.pk-is-seeking) #pk_p_plist:hover ~ .pk-p-prog-wrap { opacity: 0 !important; pointer-events: none !important; }
        .pk-p-side-nav { position: absolute; top: 50%; transform: translateY(-50%) translateZ(0); width: 60px; height: 60px; background: rgba(0, 0, 0, 0.3); display: flex; align-items: center; justify-content: center; color: #fff; cursor: pointer; z-index: 40; transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1); opacity: 0; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.18); pointer-events: auto !important; box-shadow: 0 4px 15px rgba(0,0,0,0.15); will-change: transform, opacity; }
        .pk-player-box:hover .pk-p-side-nav { opacity: 1; }
        .pk-p-side-nav:hover { background: rgba(0, 0, 0, 0.45); transform: translateY(-50%) scale(1.08) translateZ(0); border-color: rgba(255, 255, 255, 0.3); }
        .pk-p-side-nav.L { left: 30px; }
        .pk-p-side-nav.R { right: 30px; }
        .pk-p-side-nav svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2.8; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 5px rgba(0,0,0,0.2)); }
        .pk-p-side-nav.L svg { margin-left: -2px; }
        .pk-p-side-nav.R svg { margin-left: 2px; }
        .pk-p-sub-pop { position: absolute; bottom: 48px; right: 0; background: #222; border-radius: 8px; padding: 16px; width: 340px; height: 380px; color: #eee; font-size: 12px; box-shadow: 0 12px 40px rgba(0,0,0,0.5); border: 1px solid #333; display: none; flex-direction: column; cursor: default; z-index: 30; font-family: sans-serif; box-sizing: border-box; }
        .pk-p-sub-pop::after { content: ""; position: absolute; top: 100%; left: 0; right: 0; height: 12px; background: transparent; }
        .pk-p-menu-con:hover .pk-p-sub-pop, .pk-p-sub-pop:hover { display: flex; }
        .pk-sub-tabs { display: flex; border-bottom: 1px solid #333; margin-bottom: 15px; flex-shrink: 0; }
        .pk-sub-tab { padding: 8px 12px; color: #aaa; cursor: pointer; font-size: 13px; position: relative; }
        .pk-sub-tab.active { color: #4aa1ff; font-weight: bold; border-bottom: 2px solid #4aa1ff; }
        .pk-sub-tab.active::after { content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 2px; background: #4aa1ff; }
        .pk-sub-pane { display: none; flex-direction: column; gap: 12px; flex: 1; overflow-y: auto; scrollbar-width: thin; scrollbar-color: #444 transparent; }
        .pk-sub-pane.active { display: flex; }
        .pk-sub-radio-grp { display: flex; flex-direction: column; gap: 14px; margin-top: 5px; }
        .pk-sub-radio-item { display: flex; align-items: center; gap: 10px; cursor: pointer; color: #eee; font-size: 13px; user-select: none; }
        .pk-sub-radio-item input { width: 16px; height: 16px; accent-color: #4aa1ff; cursor: pointer; margin: 0; }
        .pk-sub-val-input { width: 50px; background: #333; border: 1px solid #444; color: #fff; border-radius: 4px; padding: 2px 5px; text-align: center; font-size: 12px; outline: none; }
        .pk-sub-val-input:focus { border-color: #4aa1ff; }
        .pk-more-sep { height: 1px; background: #333; margin: 15px 0; }
        .pk-size-row { display: flex; align-items: center; margin-bottom: 15px; }
        .pk-size-label { min-width: 40px; margin-right: 12px; white-space: nowrap; color: #888; font-size: 12px; flex-shrink: 0; }
        .pk-size-opts { display: flex; gap: 8px; flex: 1; }
        .pk-size-btn { flex: 1; background: #333; border: 1px solid #444; color: #ddd; padding: 6px 4px; border-radius: 4px; cursor: pointer; font-size: 12px; transition: all 0.2s; display: flex; align-items: center; justify-content: center; gap: 0; text-align: center; }
        .pk-size-btn:hover { background: #444; border-color: #555; color: #fff; }
        .pk-size-btn.active { color: #4aa1ff; border-color: #4aa1ff; background: rgba(74, 161, 255, 0.1); }
        .pk-size-btn svg { width: 16px; height: 16px; margin-right: 4px; display: block; flex-shrink: 0; margin-bottom: 1px; }
        .pk-sub-pane::-webkit-scrollbar { width: 6px; }
        .pk-sub-pane::-webkit-scrollbar-track { background: transparent; }
        .pk-sub-pane::-webkit-scrollbar-thumb { background: #444; border-radius: 3px; }
        .pk-sub-pane::-webkit-scrollbar-thumb:hover { background: #555; }
        .pk-sub-radio-group { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
        .pk-sub-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
        .pk-sub-label { color: #aaa; white-space: nowrap; flex-shrink: 0; margin-right: 10px; }
        .pk-sub-btn-group { display: flex; gap: 8px; margin-top: 4px; }
        .pk-sub-btn { flex: 1; background: #333; border: 1px solid #444; color: #ddd; padding: 6px 4px; border-radius: 4px; cursor: pointer; text-align: center; transition: background 0.2s; font-size: 11.5px; line-height: 1.2; display: flex; align-items: center; justify-content: center; }
        .pk-sub-btn:hover { background: #444; }
        .pk-sub-btn:active { background: #555; }
        .pk-sub-ctrl { display: flex; align-items: center; background: #333; border-radius: 4px; border: 1px solid #444; }
        .pk-sub-ctrl-btn { width: 28px; height: 24px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: #ddd; }
        .pk-sub-ctrl-btn:hover { background: #444; }
        .pk-sub-val { width: 60px; text-align: center; border-left: 1px solid #444; border-right: 1px solid #444; height: 24px; line-height: 24px; font-variant-numeric: tabular-nums; }
        .pk-sub-slider { -webkit-appearance: none; width: 100px; height: 4px; background: #444; border-radius: 2px; outline: none; }
        .pk-sub-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%; background: #fff; cursor: pointer; }
        .pk-sub-check { width: 14px; height: 14px; accent-color: #4aa1ff; cursor: pointer; }
        video::cue { background: rgba(0,0,0,0.5); color: white; font-family: sans-serif; }
    #pk_p_box { position: absolute !important; top: 10% !important; left: 50% !important; transform: translateX(-50%) !important; width: 90% !important; height: 80% !important; background: #000; border-radius: 0 !important; overflow: visible !important; transition: height 0.2s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 25px 50px rgba(0,0,0,0.5); }
    #pk_p_box.plist-active { height: calc(80% - 84px) !important; }
    #pk_p_box:fullscreen, #pk_p_box:-webkit-full-screen, #pk_p_box:-moz-full-screen { width: 100% !important; height: 100% !important; top: 0 !important; left: 0 !important; transform: none !important; margin: 0 !important; border-radius: 0 !important; overflow: hidden !important; }
    #pk_video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: contain; z-index: 10; transition: none; }
    .pk-player-controls { position: absolute; bottom: 0; left: 0; right: 0; z-index: 80 !important; transition: none; }
    .pk-p-prog-wrap { position: absolute; bottom: 64px; left: 20px; right: 20px; z-index: 60 !important; display: flex; align-items: center; gap: 16px; transition: none; pointer-events: none; }
    .pk-p-prog-wrap > * { pointer-events: auto; }
    #pk_p_box.pk-tab-hover:not(.pk-is-seeking) .pk-player-controls, #pk_p_box.pk-tab-hover:not(.pk-is-seeking) .pk-p-prog-wrap { opacity: 0 !important; pointer-events: none !important; transition: opacity 0.2s ease; }
    .pk-player-progress-container { position: relative !important; bottom: auto !important; left: auto !important; right: auto !important; width: auto !important; flex: 1; z-index: auto !important; }
    .pk-p-side-nav, .pk-p-center-play, .pk-p-seek-indicator { top: 50%; transition: top 0.2s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease, transform 0.2s ease !important; }
    #pk_p_plist { position: absolute; top: 100%; left: 0; right: 0; z-index: 95 !important; height: 84px; opacity: 1; pointer-events: none; }
    .pk-p-plist-tab { pointer-events: auto !important; margin-bottom: -1px !important; z-index: 90 !important; }
    .pk-p-plist-strip { opacity: 0; pointer-events: none !important; transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1); }
    #pk_p_box.plist-active .pk-p-plist-strip { opacity: 1; pointer-events: auto !important; }
    .pk-p-loading { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 35; pointer-events: none; }
    #pk_p_poster { z-index: 25 !important; transition: opacity 0.4s ease; width: 100% !important; height: 100% !important; background: #000; }
    .pk-player-box.pk-v-started #pk_p_poster { pointer-events: none; }
    .pk-transcode-mask { position: absolute; inset: 0; z-index: 30; background: #0c0c0c; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #ddd; font-size: 14px; }
    .pk-tc-icon { width: 50px; height: 50px; margin-bottom: 20px; border: 3px solid rgba(255,255,255,0.1); border-top-color: var(--pk-pri); border-radius: 50%; animation: spin 1s linear infinite; }
    .pk-tc-btn { margin-top: 20px; padding: 6px 16px; border: 1px solid #444; border-radius: 20px; cursor: pointer; font-size: 12px; transition: all 0.2s; }
    .pk-tc-btn:hover { background: #333; border-color: #666; color: #fff; }
    #pk_p_preview { position: absolute; bottom: 85px; left: 0; display: flex; flex-direction: column; align-items: center; z-index: 100; pointer-events: none; opacity: 0; transform: translateX(-50%) scale(0.95); transform-origin: bottom center; transition: opacity 0.15s ease, transform 0.15s ease; will-change: transform, opacity, left; }
    #pk_p_preview.show { opacity: 1; transform: translateX(-50%) scale(1); }
    .pk-prev-img-box { position: relative; background: #000; border: 2px solid #fff; border-radius: 4px; box-shadow: 0 4px 15px rgba(0,0,0,0.5); overflow: hidden; display: none; min-width: 120px; min-height: 68px; transition: width 0.1s, height 0.1s; }
    .pk-prev-img-box img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.1s ease-out; }
    .pk-prev-img-box img.active { opacity: 1; }
    .pk-prev-time { margin-top: 6px; background: rgba(0,0,0,0.85); color: #fff; font-size: 12px; font-weight: 600; text-align: center; padding: 4px 8px; border-radius: 4px; font-family: "Segoe UI", Roboto, monospace; box-shadow: 0 2px 8px rgba(0,0,0,0.3); text-shadow: 0 1px 2px rgba(0,0,0,0.5); }
    `;

    document.head.appendChild(styleEl);

    d.innerHTML = `
        <div class="pk-player-box" id="pk_p_box" style="width: 90%; max-width: calc(1600px / var(--pk-zoom, 1)); min-width: 480px; height: 80%; border-radius: 0; box-shadow: 0 25px 50px rgba(0,0,0,0.5);">
                <div id="pk_p_preview">
                    <div class="pk-prev-img-box" id="pk_p_img_box"></div>
                    <div class="pk-prev-time">00:00</div>
                </div>
                <div id="pk_p_poster" style="position:absolute; inset:0; z-index:1; background:#000; display:flex; align-items:center; justify-content:center; pointer-events:none;">
                    <img src="${posterUrl}" draggable="false" style="width:100%; height:100%; object-fit:contain; opacity:${posterUrl ? 1 : 0}; -webkit-user-drag:none; user-select:none;"
                        onerror="this.style.display='none';">
                </div>

                <div id="pk_sub_render_layer" style="position:absolute; inset:0; z-index:40; pointer-events:none; display:flex; flex-direction:column; justify-content:flex-end; align-items:center; padding-bottom:10%; text-align:center; overflow:hidden; transition: padding-bottom 0.1s linear;">
                    <span id="pk_sub_text" style="background:rgba(0,0,0,0.6); color:#fff; padding:4px 8px; border-radius:4px; font-size:24px; line-height:1.4; white-space:pre-wrap; display:none; text-shadow:0 1px 2px black; transition: font-size 0.1s linear, background-color 0.1s linear;"></span>
                </div>

                <video class="pk-player-video" id="pk_video"
                    type="video/mp4"
                    crossorigin="anonymous"
                    referrerpolicy="no-referrer"
                    preload="auto"
                    fetchpriority="high"
                    playsinline
                    draggable="false"
                    style="position:relative; z-index:0; transform: translateZ(0); backface-visibility: hidden; image-rendering: -webkit-optimize-contrast; -webkit-font-smoothing: antialiased; -webkit-user-drag:none; user-select:none;">
                </video>

                <div class="pk-p-loading"><div class="pk-spin-lg" style="border-color:rgba(255,255,255,0.3); border-top-color:#fff;"></div></div>

                <div class="pk-p-center-play" id="pk_p_center_btn">
                    ${mkSvg(icons.playCenter)}
                </div>

                <div class="pk-p-vol-indicator" id="pk_p_vol_indicator">
                    <div style="width:24px;height:24px;display:flex;align-items:center;">${mkSvg(icons.vol)}</div>
                    <span id="pk_p_vol_val">100%</span>
                </div>

                <div class="pk-p-seek-indicator" id="pk_p_seek_indicator">
                    00:00 / 00:00
                </div>

                <div class="pk-p-side-nav L" id="pk_p_side_L" data-pk-tip="${L.btn_prev_video}">${mkSvg('<path d="M15.5 19l-7-7 7-7"/>')}</div>
                <div class="pk-p-side-nav R" id="pk_p_side_R" data-pk-tip="${L.btn_next_video}">${mkSvg('<path d="M8.5 19l7-7-7-7"/>')}</div>

                <div class="pk-player-top">
                    <div class="pk-player-title">[${curListIdx + 1}/${totalInList}] ${esc(item.name)}</div>
                    <div style="display:flex; gap:10px;">
                        <div class="pk-p-btn" id="pk_p_pip" data-pk-tip="${L.tip_pip}" style="display:none !important;">${mkSvg(icons.pip)}</div>
                        <div class="pk-p-btn" id="pk_p_search" data-pk-tip="${L.tip_play_search}" style="display:none !important;">${mkSvg(icons.search)}</div>
                        <div class="pk-p-btn" id="pk_p_close" data-pk-tip="${L.tip_close}">${mkSvg(icons.close)}</div>
                    </div>
                </div>

                <div class="pk-p-plist-ov" id="pk_p_plist">
                    <div class="pk-p-plist-tab" id="pk_p_plist_tab" data-pk-tip="${L.tip_plist_open}">
                        ${curListIdx + 1} / ${totalInList}
                        <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="18 15 12 9 6 15"></polyline></svg>
                    </div>
                    <div class="pk-p-plist-strip">
                        <div class="pk-p-plist-nav L" id="pk_p_plist_L">${mkSvg('<path d="M15 6 L9 12 L15 18" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"/>')}</div>
                        <div class="pk-p-plist-scroll" id="pk_p_plist_scroll">
                            ${renderPlaylistItems()}
                        </div>
                        <div class="pk-p-plist-nav R" id="pk_p_plist_R">${mkSvg('<path d="M9 6 L15 12 L9 18" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"/>')}</div>
                    </div>
                </div>

                <div class="pk-p-prog-wrap" style="position: absolute; bottom: 64px; left: 20px; right: 20px; z-index: 61; display: flex; align-items: center; gap: 16px;">
                    <div class="pk-p-time-side" id="pk_t_cur" style="font-size: 14px; font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; font-weight: 600; color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,0.9); font-variant-numeric: tabular-nums; min-width: 60px; text-align: right;">00:00:00</div>

                    <div class="pk-player-progress-container" id="pk_p_prog_area" style="position: relative; flex: 1; height: 16px; cursor: pointer; display: flex; align-items: center;">
                        <div class="pk-player-progress-bg" style="width: 100%; height: 4px; background: rgba(255,255,255,0.2); position: relative; border-radius: 2px; backdrop-filter: blur(2px);">
                            <div class="pk-player-progress-filled" id="pk_p_filled" style="height: 100%; background: var(--pk-pri); width: 0; position: relative; border-radius: 2px;">
                                <div class="pk-player-progress-thumb" style="position: absolute; right: -11px; width: 22px; height: 22px; background: transparent; display: flex; align-items: center; justify-content: center;">
                                    <svg viewBox="0 0 192 192" shape-rendering="geometricPrecision" style="width: 100%; height: 100%; overflow: visible; filter: drop-shadow(0 1px 2px rgba(0,0,0,0.5));">
                                        <path d="M23.3 57.5 82.5 37" fill="none" stroke="#444" stroke-width="12" stroke-linecap="round" stroke-miterlimit="10"/>
                                        <path d="m168.7 57.5-59.2-20.5" fill="none" stroke="#444" stroke-width="12" stroke-linecap="round" stroke-miterlimit="10"/>
                                        <rect x="22" y="57.5" width="148" height="92.5" rx="18" ry="18" fill="#fff" stroke="#444" stroke-width="12" />

                                        <g class="pk-eye-open">
                                            <path class="pk-p-eye" d="M69.7 118.5c3.8 0 6.9-3.1 6.9-6.9V97.1c0-3.8-3.1-6.9-6.9-6.9-3.8 0-6.9 3.1-6.9 6.9v14.6c0 3.8 3.1 6.8 6.9 6.8z" fill="#444" stroke="#444" stroke-width="5"/>
                                            <path class="pk-p-eye" d="M122.3 118.5c-3.8 0-6.9-3.1-6.9-6.9V97.1c0-3.8 3.1-6.9 6.9-6.9 3.8 0 6.9 3.1 6.9 6.9v14.6c0 3.8-3.1 6.8-6.9 6.8z" fill="#444" stroke="#444" stroke-width="5"/>
                                        </g>

                                        <g class="pk-eye-closed">
                                            <rect class="pk-p-eye" x="57.7" y="100" width="24" height="8" rx="4" ry="4" fill="#444" />
                                            <rect class="pk-p-eye" x="110.3" y="100" width="24" height="8" rx="4" ry="4" fill="#444" />
                                        </g>
                                    </svg>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="pk-p-time-side" id="pk_t_dur" style="font-size: 14px; font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; font-weight: 600; color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,0.9); font-variant-numeric: tabular-nums; min-width: 60px; text-align: left;">00:00:00</div>
                </div>

                <div class="pk-player-controls">
                    <div class="pk-p-btn" id="pk_p_play">${mkSvg(icons.pause)}</div>

                    <div class="pk-p-vol-wrap" style="margin-left: 8px;">
                        <div class="pk-p-btn" id="pk_p_vol">${mkSvg(icons.vol)}</div>
                        <input type="range" class="pk-p-vol-slider" id="pk_p_vol_slide" min="0" max="1" step="0.05" value="1">
                    </div>

                    <div style="flex:1"></div>

                    <div class="pk-p-menu-con">
                        <span id="pk_p_res_txt">${currentResName}</span>
                        <div class="pk-p-pop" id="pk_p_res_list">${renderQualityMenu(qualityList, currentResName)}</div>
                    </div>

                    <div class="pk-p-menu-con">
                        <span id="pk_p_spd_txt">1.0x</span>
                        <div class="pk-p-pop" id="pk_p_spd_list">
                            <div class="pk-p-item" data-spd="3.0">3.0x</div>
                            <div class="pk-p-item" data-spd="2.0">2.0x</div>
                            <div class="pk-p-item" data-spd="1.5">1.5x</div>
                            <div class="pk-p-item" data-spd="1.25">1.25x</div>
                            <div class="pk-p-item active" data-spd="1.0">1.0x</div>
                            <div class="pk-p-item" data-spd="0.75">0.75x</div>
                            <div class="pk-p-item" data-spd="0.5">0.5x</div>
                        </div>
                    </div>

                    <div class="pk-p-menu-con" id="pk_sub_trigger">
                        <div class="pk-p-btn">${mkSvg(icons.settings)}</div>

                        <div class="pk-p-sub-pop" id="pk_sub_panel" onclick="event.stopPropagation()">
                            <div class="pk-sub-tabs">
                                <div class="pk-sub-tab active" data-target="pane-sub">${L.tab_sub}</div>
                                <div class="pk-sub-tab" data-target="pane-size">${L.tab_size}</div>
                                <div class="pk-sub-tab" data-target="pane-more">${L.tab_more}</div>
                            </div>

                            <div class="pk-sub-pane active" id="pane-sub">
                                <div class="pk-sub-row">
                                    <span class="pk-sub-label">${L.lbl_sub_sel}</span>
                                <label style="display:flex;align-items:center;gap:4px;cursor:pointer;">
                                    <input type="checkbox" id="pk_sub_toggle" class="pk-sub-check" checked>
                                    <span>${L.lbl_show_sub}</span>
                                </label>
                            </div>
                            <div style="background:#333; padding:6px; border-radius:4px; color:#888; font-size:11px;
                                margin-bottom:8px;" id="pk_sub_name">
                                ${L.str_no_sub}
                            </div>
                            <div class="pk-sub-btn-group">
                                <div class="pk-sub-btn" id="pk_sub_search_btn">${L.btn_sub_search}</div>
                                <div class="pk-sub-btn" id="pk_sub_cloud_btn">${L.btn_sub_cloud}</div>
                                <div class="pk-sub-btn" id="pk_sub_local_btn">${L.btn_sub_local}</div>
                                <input type="file" id="pk_sub_file" accept=".srt,.vtt,.ass" style="display:none;">
                            </div>

                            <div style="height:10px;"></div>

                            <div class="pk-sub-row">
                                <span class="pk-sub-label">${L.lbl_sub_pos}</span>
                                <div style="display:flex;align-items:center;gap:8px;">
                                    <span style="font-size:11px;color:#888;white-space:nowrap;">${L.lbl_sub_bottom}</span>
                                    <input type="range" id="pk_sub_pos" class="pk-sub-slider" min="0" max="100" value="10">
                                    <span style="font-size:11px;color:#888;white-space:nowrap;">${L.lbl_sub_top}</span>
                                </div>
                            </div>

                            <div class="pk-sub-row">
                                <span class="pk-sub-label">${L.lbl_sub_bg_op}</span>
                                <div style="display:flex;align-items:center;gap:8px;">
                                    <span style="font-size:11px;color:#888;white-space:nowrap;">0%</span>
                                    <input type="range" id="pk_sub_bg_opacity" class="pk-sub-slider" min="0" max="100" value="60">
                                    <span style="font-size:11px;color:#888;white-space:nowrap;">100%</span>
                                </div>
                            </div>

                            <div class="pk-sub-row">
                                <span class="pk-sub-label">${L.lbl_sub_size}</span>
                                <div class="pk-sub-ctrl">
                                    <div class="pk-sub-ctrl-btn" id="pk_sub_size_dec">－</div>
                                    <div class="pk-sub-val" id="pk_sub_size_val">20</div>
                                    <div class="pk-sub-ctrl-btn" id="pk_sub_size_inc">＋</div>
                                </div>
                            </div>

                            <div class="pk-sub-row">
                                <span class="pk-sub-label">${L.lbl_sub_offset}</span>
                                <div class="pk-sub-ctrl">
                                    <div class="pk-sub-ctrl-btn" id="pk_sub_time_dec">－</div>
                                    <div class="pk-sub-val" id="pk_sub_time_val">0.0 ${L.unit_sec}</div>
                                    <div class="pk-sub-ctrl-btn" id="pk_sub_time_inc">＋</div>
                                </div>
                            </div>
                        </div>

                        <div class="pk-sub-pane" id="pane-size">
                            <div class="pk-size-row">
                                <span class="pk-size-label">${L.lbl_ratio}</span>
                                <div class="pk-size-opts" id="pk_ratio_opts">
                                    <div class="pk-size-btn active" data-ratio="default">${L.opt_ratio_def}</div>
                                    <div class="pk-size-btn" data-ratio="16/9">16:9</div>
                                    <div class="pk-size-btn" data-ratio="4/3">4:3</div>
                                </div>
                            </div>
                            <div class="pk-size-row" style="align-items: flex-start;">
                                <span class="pk-size-label" style="margin-top:8px;">${L.lbl_direction}</span>
                                <div class="pk-size-opts" style="display:grid; grid-template-columns: 1fr 1fr; gap:10px; width:100%;">
                                    <div class="pk-size-btn" id="pk_btn_rot_l">${mkSvg(icons.rotL)} ${L.btn_rot_l}</div>
                                    <div class="pk-size-btn" id="pk_btn_rot_r">${mkSvg(icons.rotR)} ${L.btn_rot_r}</div>
                                    <div class="pk-size-btn" id="pk_btn_flip_h">${mkSvg(icons.flipH)} ${L.btn_flip_h}</div>
                                    <div class="pk-size-btn" id="pk_btn_flip_v">${mkSvg(icons.flipV)} ${L.btn_flip_v}</div>
                                </div>
                            </div>
                        </div>

                        <div class="pk-sub-pane" id="pane-more">
                            <div style="font-weight:bold; margin-bottom:5px; color:#fff;">${L.lbl_play_end}</div>
                            <div class="pk-sub-radio-grp">
                                <label class="pk-sub-radio-item"><input type="radio" name="pk_pmode" value="list_loop"> ${L.opt_list_loop}</label>
                                <label class="pk-sub-radio-item"><input type="radio" name="pk_pmode" value="single_loop"> ${L.opt_single_loop}</label>
                                <label class="pk-sub-radio-item"><input type="radio" name="pk_pmode" value="stop"> ${L.opt_play_stop}</label>
                            </div>

                            <div class="pk-more-sep"></div>

                            <div class="pk-sub-row">
                                <span class="pk-sub-label">${L.lbl_skip_op}</span>
                                <div style="display:flex; align-items:center; gap:8px;">
                                    <div class="pk-sub-btn" id="pk_op_mark" style="padding:2px 8px; font-size:11px;">${L.btn_mark}</div>
                                    <div class="pk-sub-ctrl">
                                        <div class="pk-sub-ctrl-btn" id="pk_op_dec">－</div>
                                        <div class="pk-sub-val" id="pk_op_val">0 ${L.unit_sec}</div>
                                        <div class="pk-sub-ctrl-btn" id="pk_op_inc">＋</div>
                                    </div>
                                </div>
                            </div>
                            <div class="pk-sub-row">
                                <span class="pk-sub-label">${L.lbl_skip_ed}</span>
                                <div style="display:flex; align-items:center; gap:8px;">
                                    <div class="pk-sub-btn" id="pk_ed_mark" style="padding:2px 8px; font-size:11px;">${L.btn_mark}</div>
                                    <div class="pk-sub-ctrl">
                                        <div class="pk-sub-ctrl-btn" id="pk_ed_dec">－</div>
                                        <div class="pk-sub-val" id="pk_ed_val">0 ${L.unit_sec}</div>
                                        <div class="pk-sub-ctrl-btn" id="pk_ed_inc">＋</div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="pk-p-btn" id="pk_p_full" data-pk-tip="${L.tip_full_screen}">${mkSvg(icons.full)}</div>
                </div>
            </div>
        `;
        const v = d.querySelector('#pk_video');
        const box = d.querySelector('#pk_p_box');
        const btnPlay = d.querySelector('#pk_p_play');
        const btnVol = d.querySelector('#pk_p_vol');
        const slideVol = d.querySelector('#pk_p_vol_slide');
        const btnFull = d.querySelector('#pk_p_full');
        const btnClose = d.querySelector('#pk_p_close');
        const btnSearch = d.querySelector('#pk_p_search');
        const tCur = d.querySelector('#pk_t_cur');
        const tDur = d.querySelector('#pk_t_dur');
        const progArea = d.querySelector('#pk_p_prog_area');
        const progFilled = d.querySelector('#pk_p_filled');
        const resList = d.querySelector('#pk_p_res_list');
        const resTxt = d.querySelector('#pk_p_res_txt');
        const spdList = d.querySelector('#pk_p_spd_list');
        const plist = d.querySelector('#pk_p_plist');
        const pTab = d.querySelector('#pk_p_plist_tab');
        const pScroll = d.querySelector('#pk_p_plist_scroll');
        pScroll.onwheel = (e) => {
            e.preventDefault();
            pScroll.scrollBy({ left: e.deltaY > 0 ? 300 : -300, behavior: 'smooth' });
        };
        let pTip = document.getElementById('pk_p_plist_tip_global');
        if (!pTip) {
            pTip = document.createElement('div');
            pTip.id = 'pk_p_plist_tip_global';
            pTip.className = 'pk-p-plist-tip';
            document.body.appendChild(pTip);
        }

        d.querySelector('#pk_p_side_L').onclick = (e) => {
            e.stopPropagation();
            const prevIdx = (curListIdx - 1 + totalInList) % totalInList;
            softSwitch(prevIdx);
        };
        d.querySelector('#pk_p_side_R').onclick = (e) => {
            e.stopPropagation();
            const nextIdx = (curListIdx + 1) % totalInList;
            softSwitch(nextIdx);
        };

        pTab.onmouseenter = () => box.classList.add('pk-tab-hover');
        pTab.onmouseleave = () => box.classList.remove('pk-tab-hover');

        const strip = d.querySelector('.pk-p-plist-strip');
        if (strip) {
            strip.onmouseenter = () => box.classList.add('pk-tab-hover');
            strip.onmouseleave = () => box.classList.remove('pk-tab-hover');
        }

        pTab.onclick = (e) => {
            e.stopPropagation();
            plist.classList.toggle('open');
            box.classList.toggle('plist-active');

            pTab.setAttribute('data-pk-tip', plist.classList.contains('open') ? L.tip_plist_close : L.tip_plist_open);

            if (plist.classList.contains('open')) {
                const activeItem = pScroll.querySelector('.active');
                if (activeItem) activeItem.scrollIntoView({ behavior: 'auto', block: 'nearest', inline: 'center' });
            }
        };

        const bindVideoPlistItems = () => {
            pScroll.querySelectorAll('.pk-p-plist-item').forEach(el => {
                el.onmouseenter = (e) => {
                    if (!plist.classList.contains('open')) return;
                    pTip.innerHTML = `<strong>${e.currentTarget.dataset.name}</strong><br>${e.currentTarget.dataset.size}`;
                    pTip.style.display = 'block';
                };
                el.onmousemove = (e) => {
                    if (pTip.style.display === 'block') {
                        const tW = pTip.offsetWidth || 150;
                        pTip.style.left = (e.clientX - (tW / 2)) + 'px';
                        pTip.style.top = (e.clientY - 60) + 'px';
                    }
                };
                el.onmouseleave = () => pTip.style.display = 'none';

                el.onclick = (e) => {
                    e.stopPropagation();
                    if (pTip) pTip.style.display = 'none';
                    const idx = parseInt(e.currentTarget.dataset.idx, 10);
                    if (idx === curListIdx) return;
                    softSwitch(idx);
                };
            });
        };

        const syncVideoPlistItems = (scrollMode = 'smooth') => {
            const RANGE = 150;
            const desiredStart = Math.max(0, curListIdx - RANGE);
            const desiredEnd = Math.min(videoPlaylist.length, curListIdx + RANGE + 1);

            const prevStart = parseInt(pScroll.dataset.pkStart || '-1', 10);
            const prevEnd = parseInt(pScroll.dataset.pkEnd || '-1', 10);

            const needRebuild =
                !Number.isFinite(prevStart) ||
                !Number.isFinite(prevEnd) ||
                curListIdx < prevStart ||
                curListIdx >= prevEnd ||
                pScroll.childElementCount === 0 ||
                pScroll.dataset.pkTotal !== String(videoPlaylist.length);

            if (needRebuild) {
                pScroll.innerHTML = renderPlaylistItems();
                pScroll.dataset.pkStart = String(desiredStart);
                pScroll.dataset.pkEnd = String(desiredEnd);
                pScroll.dataset.pkTotal = String(videoPlaylist.length);
                bindVideoPlistItems();
            }

            pScroll.querySelectorAll('.pk-p-plist-item').forEach(el => {
                const idx = parseInt(el.dataset.idx, 10);
                el.classList.toggle('active', idx === curListIdx);
            });

            const activeItem = pScroll.querySelector('.pk-p-plist-item.active');
            if (activeItem && plist.classList.contains('open') && scrollMode !== false) {
                if (scrollMode === 'instant') {
                    pScroll.style.scrollBehavior = 'auto';
                } else {
                    pScroll.style.scrollBehavior = 'smooth';
                }

                activeItem.scrollIntoView({
                    behavior: scrollMode === 'instant' ? 'auto' : 'smooth',
                    block: 'nearest',
                    inline: 'center'
                });

                if (scrollMode === 'instant') {
                    setTimeout(() => { pScroll.style.scrollBehavior = 'smooth'; }, 50);
                }
            }

            if (typeof updatePlistNav === 'function') updatePlistNav();
        };

        bindVideoPlistItems();

        const updatePlistNav = () => {
            const sl = pScroll.scrollLeft;
            const sw = pScroll.scrollWidth;
            const cw = pScroll.clientWidth;
            d.querySelector('#pk_p_plist_L').style.display = sl <= 5 ? 'none' : 'flex';
            d.querySelector('#pk_p_plist_R').style.display = (sl + cw >= sw - 5) ? 'none' : 'flex';
        };

        d.querySelector('#pk_p_plist_L').onclick = (e) => {
            e.stopPropagation();
            pScroll.scrollBy({ left: -400, behavior: 'smooth' });
            setTimeout(updatePlistNav, 300);
        };
        d.querySelector('#pk_p_plist_R').onclick = (e) => {
            e.stopPropagation();
            pScroll.scrollBy({ left: 400, behavior: 'smooth' });
            setTimeout(updatePlistNav, 300);
        };

        pScroll.addEventListener('scroll', updatePlistNav, { passive: true });

        setTimeout(() => syncVideoPlistItems(false), 50);

        document.body.appendChild(d);

        const initL = d.querySelector('#pk_p_side_L');
        const initR = d.querySelector('#pk_p_side_R');
        if (initL) initL.style.display = curListIdx === 0 ? 'none' : 'flex';
        if (initR) initR.style.display = curListIdx === totalInList - 1 ? 'none' : 'flex';

        let hideTimer = null;
        let isMouseOverUI = false;
        const resetHideTimer = () => {
            box.classList.remove('ui-hidden');
            if (hideTimer) clearTimeout(hideTimer);
            if (isMouseOverUI) return;
            hideTimer = setTimeout(() => {
                if (!v.paused) box.classList.add('ui-hidden');
            }, 3000);
        };

        const protectedUIs = [
            d.querySelector('.pk-player-top'),
            d.querySelector('.pk-player-controls'),
            d.querySelector('.pk-p-prog-wrap')
        ];
        protectedUIs.forEach(ui => {
            if (!ui) return;
            ui.addEventListener('mouseenter', () => { isMouseOverUI = true; if (hideTimer) clearTimeout(hideTimer); });
            ui.addEventListener('mouseleave', () => { isMouseOverUI = false; resetHideTimer(); });
        });

        box.addEventListener('mouseleave', () => { if (!isMouseOverUI) box.classList.add('ui-hidden'); });
        box.addEventListener('mouseenter', resetHideTimer);
        box.addEventListener('mousemove', resetHideTimer);
        box.addEventListener('click', resetHideTimer);
        box.addEventListener('keydown', resetHideTimer);
        resetHideTimer();

        const handleVideoError = (e) => {
            if (isSwitching) return;

            if (!v.getAttribute('src') && !pkHls) return;
            if (v.networkState === 2 && !v.error && !e.force) return;

            const errCode = v.error ? v.error.code : (e.force ? 4 : 0);
            const errMsg = v.error ? v.error.message : "";
            console.warn(`[VideoError] Code: ${errCode}, Msg: ${errMsg}, Src: ${v.src || 'HLS'}`);

            if (currentLink) failedUrls.add(currentLink);

            if (lastWorkingLink && lastWorkingLink !== currentLink && !failedUrls.has(lastWorkingLink)) {
                console.log(`[Compatibility] Target stream failed, rolling back to: ${lastWorkingResName}`);

                if (resTxt) resTxt.textContent = `${L.str_compat_mode} (${lastWorkingResName})`;

                const toast = document.createElement('div');
                toast.style.cssText = "position:absolute;top:20px;left:50%;transform:translateX(-50%);background:rgba(217, 48, 37, 0.9);color:#fff;padding:6px 12px;border-radius:20px;font-size:12px;z-index:100;animation:pkFadeIn 0.5s;";
                toast.textContent = L.str_switch_compat.replace('{n}', lastWorkingResName);
                box.appendChild(toast);
                setTimeout(() => toast.remove(), 4000);

                currentResName = lastWorkingResName;
                currentLink = lastWorkingLink;

                const savedTime = v.currentTime;
                loadSource(currentLink, savedTime);
                v.play().catch(()=>{});

                const resList = d.querySelector('#pk_p_res_list');
                if (resList) {
                    resList.innerHTML = renderQualityMenu(qualityList, currentResName);
                    bindResEvents();
                }
                return;
            }

            const nextCandidate = qualityList.find(q => {
                const url = q.link || q.url;
                return url !== currentLink && !failedUrls.has(url);
            });

            if (nextCandidate) {
                console.log(`[Compatibility] Auto-switching to next available source: ${nextCandidate.name}`);

                if (resTxt) resTxt.textContent = `${L.str_compat_mode} (${nextCandidate.name})`;

                const toast = document.createElement('div');
                toast.style.cssText = "position:absolute;top:20px;left:50%;transform:translateX(-50%);background:rgba(33, 150, 243, 0.9);color:#fff;padding:6px 12px;border-radius:20px;font-size:12px;z-index:100;animation:pkFadeIn 0.5s;";
                toast.textContent = L.msg_fallback_report.replace('{n}', nextCandidate.name);
                box.appendChild(toast);
                setTimeout(()=>toast.remove(), 4000);

                currentResName = nextCandidate.name;
                currentLink = nextCandidate.link || nextCandidate.url;

                const savedTime = v.currentTime;
                loadSource(currentLink, savedTime);
                v.play().catch(()=>{});

                const resList = d.querySelector('#pk_p_res_list');
                if (resList) {
                    resList.innerHTML = renderQualityMenu(qualityList, currentResName);
                    bindResEvents();
                }
                return;
            }

            if (errCode !== 4 && !e.force) {
                console.log("[Video] Recoverable error detected, staying in loader.");
                return;
            }

            const loader = d.querySelector('.pk-p-loading');
            if (loader) loader.style.display = 'none';

            showSadBox(currentResName);
        };
        v.addEventListener('error', handleVideoError);

        v.addEventListener('loadstart', () => {
            const errOv = box.querySelector('.pk-err-ov');
            if (errOv) errOv.remove();

            const loader = d.querySelector('.pk-p-loading');
            if (loader) loader.style.display = 'block';
        });

        (async () => {
            try {
                const targetApiId = getPhysicalId(item);
                const newData = await apiGet(targetApiId);
                const freshData = getBestSource(newData);
                qualityList = freshData.list;
                resList.innerHTML = renderQualityMenu(qualityList, currentResName);
                bindResEvents();

                if (v.error || !currentLink || (currentResName === L.str_original && freshData.name !== L.str_original)) {
                    const savedTime = v.currentTime;
                    currentLink = freshData.src;
                    currentResName = freshData.name;
                    resTxt.textContent = currentResName;

                    loadSource(currentLink);

                    v.currentTime = savedTime;
                    v.play().catch(()=>{});

                    resList.innerHTML = renderQualityMenu(qualityList, currentResName);
                    bindResEvents();
                }
            } catch (e) { }
        })();

        const fmtT = (s) => {
            s = Math.max(0, s || 0);
            const h = Math.floor(s / 3600);
            const m = Math.floor((s % 3600) / 60);
            const sc = Math.floor(s % 60);
            return String(h).padStart(2, '0') + ":" + String(m).padStart(2, '0') + ":" + String(sc).padStart(2, '0');
        };
        const fmtFullT = fmtT;

        const togglePlay = () => { if (v.paused) v.play(); else v.pause(); };

        const ThumbnailEngine = (() => {
            let shadowV = null;
            let canvas = null;
            let ctx = null;
            let isInit = false;
            let cacheStore = null;
            let currentReqId = 0;
            const BASE_HEIGHT = 180;
            const DISPLAY_HEIGHT = 120;
            const previewBox = d.querySelector('#pk_p_preview');
            const imgBox = d.querySelector('#pk_p_img_box');
            const previewTime = previewBox.querySelector('.pk-prev-time');

            const init = async () => {
                if (isInit) return;

                if (window.localforage) {
                    cacheStore = window.localforage.createInstance({ name: 'pk_thumbs', storeName: 'snapshots' });
                }

                shadowV = document.createElement('video');
                shadowV.muted = true;
                shadowV.crossOrigin = 'anonymous';
                shadowV.style.display = 'none';
                shadowV.preload = 'auto';
                shadowV.src = currentLink;

                canvas = document.createElement('canvas');
                canvas.width = 160; canvas.height = 90;
                ctx = canvas.getContext('2d');

                shadowV.onerror = () => console.warn("[Thumb] Shadow player error");

                isInit = true;
            };

            const getCacheKey = (time) => `${getPhysicalId(item)}_${Math.floor(time)}`;

            const generate = async (time) => {
                if (!isInit) await init();

                if (cacheStore) {
                    const cachedBlob = await cacheStore.getItem(getCacheKey(time));
                    if (cachedBlob) return URL.createObjectURL(cachedBlob);
                }

                return new Promise((resolve, reject) => {
                    const seekHandler = () => {
                        try {
                            const vw = shadowV.videoWidth || 160;
                            const vh = shadowV.videoHeight || 90;
                            const ratio = vw / vh;

                            const renderH = BASE_HEIGHT;
                            const renderW = Math.floor(renderH * ratio);

                            if (canvas.width !== renderW || canvas.height !== renderH) {
                                canvas.width = renderW;
                                canvas.height = renderH;
                            }

                            ctx.drawImage(shadowV, 0, 0, renderW, renderH);
                            canvas.toBlob((blob) => {
                                if (cacheStore) cacheStore.setItem(getCacheKey(time), blob).catch(()=>{});
                                resolve(URL.createObjectURL(blob));
                            }, 'image/jpeg', 0.8);
                        } catch (e) {
                            reject(e);
                        } finally {
                            shadowV.removeEventListener('seeked', seekHandler);
                        }
                    };

                    shadowV.addEventListener('seeked', seekHandler);
                    shadowV.currentTime = time;
                });
            };

            const show = async (clientX, rect) => {
                const boxRect = getLogicalRect(box);
                const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
                const logicalX = clientX / scale;
                const pos = Math.max(0, Math.min(1, (logicalX - rect.left) / rect.width));
                const targetTime = pos * v.duration;
                if (!isFinite(targetTime)) return;

                let left = logicalX - boxRect.left;
                const halfWidth = (imgBox.offsetWidth / 2) || 80;
                const minX = halfWidth + 10;
                const maxX = boxRect.width - halfWidth - 10;

                left = Math.max(minX, Math.min(maxX, left));
                previewBox.style.left = `${left}px`;
                previewTime.textContent = fmtT(targetTime);
                previewBox.classList.add('show');

                const myId = ++currentReqId;
                try {
                    await sleep(50);
                    if (myId !== currentReqId) return;

                    const url = await generate(targetTime);
                    if (myId !== currentReqId) return;

                    const img = document.createElement('img');
                    img.src = url;

                    const onImgReady = () => {
                        if (myId !== currentReqId) return;

                        if (img.naturalWidth && img.naturalHeight) {
                            const ratio = img.naturalWidth / img.naturalHeight;
                            imgBox.style.width = `${DISPLAY_HEIGHT * ratio}px`;
                            imgBox.style.height = `${DISPLAY_HEIGHT}px`;
                        }

                        imgBox.style.display = 'flex';

                        img.classList.add('active');
                        imgBox.appendChild(img);

                        const oldImages = imgBox.querySelectorAll('img');
                        if (oldImages.length > 1) {
                            setTimeout(() => {
                                for (let i = 0; i < oldImages.length - 1; i++) {
                                    oldImages[i].remove();
                                }
                            }, 150);
                        }
                    };

                    if (img.complete) onImgReady();
                    else img.onload = onImgReady;

                } catch (e) {
                }
            };

            const hide = () => {
                previewBox.classList.remove('show');
                imgBox.style.display = 'none';
                currentReqId++;
                setTimeout(() => {
                    if (!previewBox.classList.contains('show')) {
                        const imgs = imgBox.querySelectorAll('img');
                        imgs.forEach(i => i.remove());
                    }
                }, 500);
            };

            const resetSource = (newUrl) => {
                if (shadowV) shadowV.src = newUrl;
            };

            return { show, hide, resetSource };
        })();


        const updateState = () => {
            if (v.paused) {
                box.classList.add('paused');
                btnPlay.innerHTML = mkSvg(icons.play);
                box.classList.remove('ui-hidden');
                if (hideTimer) clearTimeout(hideTimer);
            }
            else {
                box.classList.remove('paused');
                btnPlay.innerHTML = mkSvg(icons.pause);
                resetHideTimer();
            }
        };
        const updateVolUI = () => {
            slideVol.value = v.muted ? 0 : v.volume;
            btnVol.innerHTML = mkSvg((v.muted || v.volume === 0) ? icons.mute : icons.vol);
        };

        let transcodeTimer = null;

        const destroyPlayer = () => {
            if (isPlayerDestroyed) return;
            isPlayerDestroyed = true;

            const pTip = document.getElementById('pk_p_plist_tip_global');
            if (pTip) pTip.style.display = 'none';

            document.removeEventListener('keydown', playerKeyHandler);

            if (document.pictureInPictureElement) {
                document.exitPictureInPicture().catch(() => {});
            }

            window.removeEventListener('resize', onResizeTransform);

            if (transcodeTimer) { clearInterval(transcodeTimer); transcodeTimer = null; }

            if (v.duration > 0 && v.currentTime > 5 && v.duration - v.currentTime > 5) {
                gmSet('pk_progress_' + getPhysicalId(item), {
                    t: v.currentTime,
                    d: v.duration,
                    ts: Date.now()
                });
            }

            v.pause();
            v.muted = true;

            if (pkHls) {
                pkHls.stopLoad();
                pkHls.detachMedia();
                pkHls.destroy();
                pkHls = null;
            }

            const targetId = item.id;
            const targetIdx = S.display.findIndex(x => x.id === targetId);
            if (targetIdx !== -1) {
                S.sel.clear();
                S.sel.add(targetId);
                S.activeId = targetId;
                const rowTop = getItemScrollTopByIndex(targetIdx);
                const vpHeight = UI.vp.clientHeight;
                UI.vp.scrollTop = Math.max(0, rowTop - (vpHeight / 2) + (CONF.rowHeight / 2));
                renderVisible();
                updateStat();
            }

            v.src = "";
            v.load();

            if (styleEl) styleEl.remove();
            d._pkDestroyPlayer = null;
            d.remove();
        };
        d._pkDestroyPlayer = destroyPlayer;

        v.addEventListener('play', () => {
            S.navVideoBackArmed = false;
            updateState();
        });
        v.addEventListener('pause', updateState);

        const markStarted = () => {
            if (isPlayerDestroyed) return;
            if (box) {
                box.classList.add('pk-v-started');
                stopSpinner();
                updateState();
                lastWorkingLink = currentLink;
                lastWorkingResName = currentResName;
            }
        };

        v.addEventListener('playing', markStarted);
        v.addEventListener('seeked', () => { if(v.currentTime > 0.1) markStarted(); });

        v.addEventListener('click', () => {
            markStarted();
            togglePlay();
        });

        v.addEventListener('dblclick', (e) => {
            e.stopPropagation();
            btnFull.click();
        });

        const blockMediaDragWhenErr = (e) => {
            if (!box.querySelector('.pk-err-dialog')) return;
            e.preventDefault();
            e.stopPropagation();
        };
        v.addEventListener('dragstart', blockMediaDragWhenErr);

        const posterEl = d.querySelector('#pk_p_poster');
        const loaderEl = d.querySelector('.pk-p-loading');
        let shutterTargetTime = 0;
        let isPiPDesired = false;

        const stopSpinner = (force = false) => {
            const isErrorVisible = !!box.querySelector('.pk-err-dialog');
            if ((shutterTargetTime > 0 || isErrorVisible) && !force) return;

            box.classList.remove('buffering');

            if (v.paused && v.readyState >= 2) {
                box.classList.add('pk-v-started');
                updateState();
            }

            if (loaderEl) loaderEl.style.display = 'none';
            if (posterEl) {
                posterEl.style.pointerEvents = 'none';
                posterEl.style.opacity = '0';
                setTimeout(() => {
                    if(posterEl.style.opacity === '0') {
                        posterEl.style.display = 'none';
                        posterEl.style.pointerEvents = 'auto';
                    }
                }, 450);
            }
        };

        const showSpinner = () => {
            box.classList.add('buffering');
            if (loaderEl) loaderEl.style.display = 'block';
        };
        v.addEventListener('waiting', showSpinner);
        v.addEventListener('stalled', showSpinner);
        v.addEventListener('playing', stopSpinner);
        v.addEventListener('seeked', stopSpinner);
        v.addEventListener('canplaythrough', stopSpinner);

        let lastTextUpdate = 0;
        const updateTimeUI = () => {
            requestAnimationFrame(() => {
                if (isDragSeek) return;

                if (v.currentTime > 0.1) stopSpinner();

                const dur = v.duration;
                const cur = v.currentTime;
                const now = performance.now();

                if (dur > 0) {
                    const pct = (cur / dur) * 100;
                    progFilled.style.width = `${pct}%`;
                }

                if (now - lastTextUpdate > 250) {
                    tCur.textContent = fmtT(cur);
                    if (dur > 0 && isFinite(dur)) tDur.textContent = fmtT(dur);
                    lastTextUpdate = now;
                }
            });
        };

        v.addEventListener('timeupdate', updateTimeUI);
        v.addEventListener('durationchange', updateTimeUI);
        v.addEventListener('timeupdate', () => {
            if (shutterTargetTime > 0) {
                if (v.currentTime >= shutterTargetTime - 0.5 && v.readyState >= 3) {
                    v._isRestarting = false;
                    console.log(`[Shutter] Target reached: ${v.currentTime}, Unlocking...`);
                    shutterTargetTime = 0;
                    stopSpinner(true);
                }
            }
        });

        let hasCheckedProgress = false;
        let lastSaveTime = 0;

        const applyProgress = () => {
            if (hasCheckedProgress || v.duration <= 0) return;
            hasCheckedProgress = true;
            triggerResume(v, item);
        };

        v.addEventListener('canplay', applyProgress, { once: true });
        v.addEventListener('playing', () => {
            const now = Date.now();
            const pId = getPhysicalId(item);
            const existing = gmGet('pk_progress_' + pId);
            let data = { t: v.currentTime, d: v.duration || 0, ts: now };

            if (existing && typeof existing === 'object') {
                data.t = existing.t;
                if (!data.d) data.d = existing.d;
            }
            gmSet('pk_progress_' + pId, data);
        });

        v.addEventListener('timeupdate', () => {
            const now = Date.now();
            if (now - lastSaveTime > 3000) {
                const curT = v.currentTime;
                const totalT = v.duration || 0;
                const progressData = { t: curT, d: totalT, ts: now };
                const pId = getPhysicalId(item);

                if (totalT > 0 && (totalT - curT < 5)) {
                    progressData.t = 0;
                    gmSet('pk_progress_' + pId, progressData);
                } else if (curT > 1) {
                    gmSet('pk_progress_' + pId, progressData);
                }
                lastSaveTime = now;
            }
        });

        v.addEventListener('loadedmetadata', () => {
            triggerResume(v, item);
            updateTimeUI();
            const dur = v.duration;
            if (dur > 0 && isFinite(dur)) {
                const seconds = Math.round(dur);
                const pId = getPhysicalId(item);
                gmSet('pk_duration_' + pId, seconds);

                S.durationMap.set(pId, seconds);
                if (item.params) item.params.duration = seconds;
                if (typeof renderVisible === 'function') renderVisible();
            }
        });

        const enableMediaControls = () => {
            if (v.readyState >= 2) {
                if (btnSearch) btnSearch.style.setProperty('display', 'flex', 'important');
                const btnPip = d.querySelector('#pk_p_pip');
                if (btnPip && document.pictureInPictureEnabled && !v.disablePictureInPicture) {
                    btnPip.style.setProperty('display', 'flex', 'important');

                    if (isPiPDesired && !document.pictureInPictureElement) {
                        v.requestPictureInPicture().catch(() => { isPiPDesired = false; });
                    }
                }
            }
        };
        v.addEventListener('loadeddata', enableMediaControls);
        v.addEventListener('canplay', enableMediaControls);
        if (v.readyState >= 2) enableMediaControls();

        let isDragSeek = false;
        let hasUserSeeked = false;
        let initialTimeBeforeDrag = 0;
        let progRectCache = null;
        let lastSeekRequestTime = 0;
        let lastMouseX = 0;
        const seekIndicator = d.querySelector('#pk_p_seek_indicator');
        let seekIndicatorTimer = null;

        const showSeekIndicatorAt = (targetTime) => {
            if (!seekIndicator || !v.duration || isNaN(v.duration)) return;
            seekIndicator.textContent = `${fmtFullT(targetTime)}  /  ${fmtFullT(v.duration)}`;
            seekIndicator.style.display = 'flex';
            box.classList.add('pk-is-seeking');
            clearTimeout(seekIndicatorTimer);
            seekIndicatorTimer = setTimeout(() => {
                if (!isDragSeek) {
                    seekIndicator.style.display = 'none';
                    box.classList.remove('pk-is-seeking');
                }
            }, 900);
        };

        const updateVisualOnly = (clientX) => {
            if (!progRectCache || !v.duration) return 0;
            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            const logicalX = clientX / scale;
            const pos = Math.max(0, Math.min(1, (logicalX - progRectCache.left) / progRectCache.width));
            const targetTime = pos * v.duration;

            progFilled.style.setProperty('width', `${pos * 100}%`, 'important');
            seekIndicator.textContent = `${fmtFullT(targetTime)}  /  ${fmtFullT(v.duration)}`;

            if (tCur) tCur.textContent = fmtT(targetTime);

            return targetTime;
        };

        const updateVideoOnDemand = (targetTime) => {
            const now = performance.now();
            if (v.paused && (now - lastSeekRequestTime > 40)) {
                v.currentTime = targetTime;
                lastSeekRequestTime = now;
            }
        };

        const stopDragging = (isCancel = false) => {
            if (!isDragSeek) return;

            if (isCancel) {
                v.currentTime = initialTimeBeforeDrag;
                const revertPos = (initialTimeBeforeDrag / v.duration) * 100;
                progFilled.style.setProperty('width', `${revertPos}%`, 'important');
            } else {
                const finalT = updateVisualOnly(lastMouseX);
                v.currentTime = finalT;
                if (finalT > 5) {
                    gmSet('pk_progress_' + getPhysicalId(item), {
                        t: finalT,
                        d: v.duration,
                        ts: Date.now()
                    });
                }
            }

            isDragSeek = false;
            progRectCache = null;
            document.body.classList.remove('pk-dragging');
            box.classList.remove('pk-is-seeking');

            if (typeof ThumbnailEngine !== 'undefined') {
                if (progArea && !progArea.matches(':hover')) {
                    ThumbnailEngine.hide();
                }
            }

            const thumb = box.querySelector('.pk-player-progress-thumb');
            if (thumb) {
                thumb.classList.remove('pk-look-r', 'pk-look-l');
                thumb.classList.add('pk-blink-anim', 'pk-blink-hold');
                setTimeout(() => thumb.classList.remove('pk-blink-anim'), 200);
                setTimeout(() => thumb.classList.remove('pk-blink-hold'), 300);
            }

            seekIndicator.style.display = 'none';
            updateState();
        };

        const onMouseMove = (e) => {
            if (!isDragSeek) return;

            const topBar = d.querySelector('.pk-player-top');
            if (topBar) {
                const barRect = getLogicalRect(topBar);
                const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
                if ((e.clientY / scale) >= barRect.top && (e.clientY / scale) <= barRect.bottom) {
                    stopDragging(true);
                    return;
                }
            }

            const thumb = box.querySelector('.pk-player-progress-thumb');
            if (thumb) {
                if (e.clientX > lastMouseX + 1) {
                    thumb.classList.add('pk-look-r'); thumb.classList.remove('pk-look-l');
                } else if (e.clientX < lastMouseX - 1) {
                    thumb.classList.add('pk-look-l'); thumb.classList.remove('pk-look-r');
                }
            }

            lastMouseX = e.clientX;
            const targetT = updateVisualOnly(e.clientX);
            updateVideoOnDemand(targetT);

            if (typeof ThumbnailEngine !== 'undefined' && progRectCache) {
                ThumbnailEngine.show(e.clientX, progRectCache);
            }
        };

        progArea.addEventListener('mousedown', (e) => {
            if (!v.duration || isNaN(v.duration)) return;

            if (typeof ThumbnailEngine !== 'undefined') ThumbnailEngine.hide();

            isDragSeek = true;
            hasUserSeeked = true;
            lastMouseX = e.clientX;
            initialTimeBeforeDrag = v.currentTime;
            progRectCache = getLogicalRect(progArea);

            document.body.classList.add('pk-dragging');
            box.classList.add('pk-is-seeking');
            seekIndicator.style.display = 'flex';

            const targetT = updateVisualOnly(e.clientX);
            v.currentTime = targetT;

            e.preventDefault();
        });

        progArea.addEventListener('mousemove', (e) => {
            const rect = getLogicalRect(progArea);
            ThumbnailEngine.show(e.clientX, rect);
        });

        progArea.addEventListener('mouseleave', () => {
            ThumbnailEngine.hide();
        });

        document.addEventListener('mousemove', onMouseMove);
        document.addEventListener('mouseup', () => stopDragging(false));

        box.addEventListener('mouseleave', (e) => {
            if (isDragSeek) {
                const rect = getLogicalRect(box);
                const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
                const lx = e.clientX / scale, ly = e.clientY / scale;
                if (lx <= rect.left || lx >= rect.right || ly <= rect.top || ly >= rect.bottom) {
                    stopDragging(true);
                }
            }
        });

        btnPlay.onclick = togglePlay;
        btnClose.onclick = destroyPlayer;

        btnFull.onclick = () => {
            if (!document.fullscreenElement) { box.requestFullscreen(); btnFull.innerHTML = mkSvg(icons.exitFull); }
            else { document.exitFullscreen(); btnFull.innerHTML = mkSvg(icons.full); }
        };

        const subPanel = d.querySelector('#pk_sub_panel');
        if (subPanel) {
            btnFull.addEventListener('mouseenter', () => subPanel.style.setProperty('display', 'none', 'important'));
            btnFull.addEventListener('mouseleave', () => subPanel.style.removeProperty('display'));
        }

        const btnPip = d.querySelector('#pk_p_pip');
        if (btnPip) {
            if (!document.pictureInPictureEnabled || v.disablePictureInPicture) {
                btnPip.style.display = 'none';
            } else {
                btnPip.onclick = async (e) => {
                    e.stopPropagation();
                    try {
                        if (document.pictureInPictureElement) {
                            isPiPDesired = false;
                            await document.exitPictureInPicture();
                        } else {
                            isPiPDesired = true;
                            await v.requestPictureInPicture();
                            window.focus();
                        }
                    } catch (err) { console.error("PiP Error:", err); }
                };
            }
        }

        btnSearch.onclick = (e) => {
            e.stopPropagation();

            if (v) {
                v.pause();
                setTimeout(() => { if (v) v.pause(); }, 100);
            }

            const posterImg = d.querySelector('#pk_p_poster img');

            if (v.readyState >= 2 && v.videoWidth > 0) {
                startImageSearch(v, item.name, d, null);
            }
            else if (posterImg && posterImg.style.display !== 'none' && posterImg.src) {
                startImageSearch(posterImg, item.name, d, posterImg.src);
            }
            else {
                startImageSearch(v, item.name, d, null);
            }
        };

        const initPosterImg = d.querySelector('#pk_p_poster img');
        if (initPosterImg) {
            initPosterImg.addEventListener('dragstart', blockMediaDragWhenErr);
            if (initPosterImg.complete && initPosterImg.src && initPosterImg.src.startsWith('http')) {
                if (btnSearch) btnSearch.style.setProperty('display', 'flex', 'important');
            } else {
                initPosterImg.addEventListener('load', () => {
                    if (btnSearch) btnSearch.style.setProperty('display', 'flex', 'important');
                });
            }
        }

        const savedMute = gmGet('pk_vol_muted', false);
        const savedVol = parseFloat(gmGet('pk_vol_level', 1.0));

        v.muted = savedMute;
        v.volume = (Number.isFinite(savedVol) && savedVol >= 0 && savedVol <= 1) ? savedVol : 1.0;

        if (slideVol) slideVol.value = v.volume;

        updateVolUI();

        btnVol.onclick = () => {
            v.muted = !v.muted;
            updateVolUI();
            gmSet('pk_vol_muted', v.muted);
        };

        slideVol.oninput = (e) => {
            v.muted = false;
            const val = parseFloat(e.target.value);
            v.volume = val;
            updateVolUI();

            gmSet('pk_vol_muted', false);
            gmSet('pk_vol_level', val);
        };

        spdList.querySelectorAll('.pk-p-item').forEach(item => {
            item.onclick = () => {
                const s = parseFloat(item.dataset.spd);
                v.playbackRate = s;
                spdList.querySelector('.active').classList.remove('active');
                item.classList.add('active');
                d.querySelector('#pk_p_spd_txt').textContent = item.textContent;
            };
        });

        function bindResEvents() {
            resList.querySelectorAll('.pk-p-item').forEach(item => {
                item.onclick = () => {
                    const link = item.dataset.link;
                    if(link === currentLink) return;

                    const curT = v.currentTime;
                    const isPaused = v.paused;
                    const curRate = v.playbackRate;

                    box.classList.add('buffering');
                    if (loaderEl) loaderEl.style.display = 'block';

                    if (posterEl) {
                        if (v.readyState >= 2 && v.currentTime > 0) {
                            try {
                                const canvas = document.createElement('canvas');
                                canvas.width = v.videoWidth; canvas.height = v.videoHeight;
                                canvas.getContext('2d').drawImage(v, 0, 0);
                                const posterImg = posterEl.querySelector('img');
                                if (posterImg) {
                                    posterImg.src = canvas.toDataURL('image/jpeg', 0.7);
                                    posterImg.style.filter = 'brightness(0.8)';
                                }
                            } catch (e) { console.warn("[ClaritySwitch] Frame capture failed."); }
                        }
                        posterEl.style.transition = 'none';
                        posterEl.style.display = 'flex';
                        posterEl.style.opacity = '1';
                        posterEl.style.pointerEvents = 'auto';
                    }

                    currentLink = link;
                    currentResName = item.textContent.trim();

                    shutterTargetTime = curT > 0.1 ? curT : 0;

                    v.pause();
                    loadSource(link, curT);

                    v.playbackRate = curRate;
                    if(!isPaused) v.play().catch(()=>{});

                    resList.innerHTML = renderQualityMenu(qualityList, currentResName);
                    if(resTxt) resTxt.textContent = currentResName;
                    bindResEvents();
                };
            });
        }
        bindResEvents();

        const subState = {
            hasSub: false,
            size: 24,
            pos: 10,
            offset: 0,
            bgOpacity: 0.6,
            track: null,
            blobUrl: null
        };

        const processSubtitleFile = (file) => {
            if (!file) return;
            const ext = file.name.split('.').pop().toLowerCase();
            if (!['srt', 'vtt', 'ass', 'ssa'].includes(ext)) {
                showToast(L.err_sub_drop_type);
                return;
            }

            const reader = new FileReader();
            reader.onload = (evt) => {
                const buffer = evt.target.result;
                const encodings = ['utf-8', 'gbk', 'big5', 'utf-16le', 'shift_jis'];
                let text = "";
                for (let enc of encodings) {
                    try {
                        const decoder = new TextDecoder(enc, { fatal: true });
                        text = decoder.decode(buffer);
                        break;
                    } catch (e) { if(enc === 'shift_jis') text = new TextDecoder('utf-8').decode(buffer); }
                }

                if (subState.blobUrl) URL.revokeObjectURL(subState.blobUrl);

                let vttText = "";
                if (ext === 'ass' || ext === 'ssa') {
                    vttText = convertAssToVtt(text);
                } else {
                    vttText = convertSrtToVtt(text);
                }

                const blob = new Blob([vttText], { type: 'text/vtt' });
                subState.blobUrl = URL.createObjectURL(blob);

                let targetTrack = null;
                if (v.textTracks) {
                    for (let i = 0; i < v.textTracks.length; i++) {
                        const t = v.textTracks[i];
                        if (t.label === 'pk-subs') targetTrack = t;
                        t.mode = 'disabled';
                    }
                }
                if (!targetTrack) targetTrack = v.addTextTrack("subtitles", "pk-subs", "en");
                targetTrack.oncuechange = () => {
                    const cues = targetTrack.activeCues;
                    const txtEl = d.querySelector('#pk_sub_text');
                    if (cues && cues.length > 0 && txtEl) {
                        const text = cues[cues.length - 1].text;
                        txtEl.innerHTML = text.replace(/<[^>]+>/g, '').replace(/\n/g, '<br>');
                        txtEl.style.display = 'block';
                    } else if (txtEl) {
                        txtEl.style.display = 'none';
                    }
                };

                const vttLines = vttText.split('\n');
                let cueStart = null, cueEnd = null, cueText = [];
                const timeReg = /(\d{2}):(\d{2}):(\d{2})[.,](\d{3})\s*-->\s*(\d{2}):(\d{2}):(\d{2})[.,](\d{3})/;

                while (targetTrack.cues && targetTrack.cues.length > 0) targetTrack.removeCue(targetTrack.cues[0]);

                vttLines.forEach(line => {
                    const match = line.match(timeReg);
                    if (match) {
                        if (cueStart !== null && cueText.length > 0) {
                            try { targetTrack.addCue(new VTTCue(cueStart, cueEnd, cueText.join('\n'))); } catch(e){}
                        }
                        cueStart = parseInt(match[1])*3600 + parseInt(match[2])*60 + parseInt(match[3]) + parseInt(match[4])/1000;
                        cueEnd = parseInt(match[5])*3600 + parseInt(match[6])*60 + parseInt(match[7]) + parseInt(match[8])/1000;
                        cueText = [];
                    } else if (line.trim() !== '' && !line.trim().startsWith('WEBVTT') && !/^\d+$/.test(line.trim())) {
                        if (cueStart !== null) cueText.push(line.trim());
                    }
                });
                if (cueStart !== null && cueText.length > 0) {
                    try { targetTrack.addCue(new VTTCue(cueStart, cueEnd, cueText.join('\n'))); } catch(e){}
                }

                subState.hasSub = true;
                subState.track = targetTrack;
                subState.track.mode = 'hidden';
                updateSubStyle();
                d.querySelector('#pk_sub_toggle').checked = true;
                d.querySelector('#pk_sub_name').textContent = file.name;
                updateSubStyle();
                console.log(L.msg_sub_drop_load.replace('{n}', file.name));
            };
            reader.readAsArrayBuffer(file);
        };

        box.addEventListener('dragover', (e) => {
            e.preventDefault();
            e.stopPropagation();
            box.style.boxShadow = "inset 0 0 50px var(--pk-pri)";
        });

        box.addEventListener('dragleave', (e) => {
            e.preventDefault();
            e.stopPropagation();
            box.style.boxShadow = "0 25px 50px rgba(0,0,0,0.5)";
        });

        box.addEventListener('drop', (e) => {
            e.preventDefault();
            e.stopPropagation();
            box.style.boxShadow = "0 25px 50px rgba(0,0,0,0.5)";
            const file = e.dataTransfer.files[0];
            processSubtitleFile(file);
        });

        const subStyleTag = document.createElement('style');
        document.head.appendChild(subStyleTag);

        const updateSubStyle = () => {
            const txt = d.querySelector('#pk_sub_text');
            const layer = d.querySelector('#pk_sub_render_layer');
            const toggle = d.querySelector('#pk_sub_toggle');

            if (txt && layer) {
                txt.style.fontSize = `${subState.size}px`;
                txt.style.backgroundColor = `rgba(0,0,0,${subState.bgOpacity})`;
                layer.style.paddingBottom = `${subState.pos / 2}%`;
                const isShow = toggle ? toggle.checked : true;
                layer.style.display = isShow ? 'flex' : 'none';
            }

            if (subState.track) {
                subState.track.mode = 'hidden';
            }
        };

        const fileInp = d.querySelector('#pk_sub_file');
        d.querySelector('#pk_sub_local_btn').onclick = (e) => { e.stopPropagation(); fileInp.click(); };

        fileInp.onchange = (e) => {
            processSubtitleFile(e.target.files[0]);
        };

        const cleanSubText = (text) => {
            return text.replace(/\{[^}]*?\}/g, '')
                       .replace(/<\/?i>/g, '')
                       .replace(/\\N/gi, '\n')
                       .replace(/\r\n/g, '\n')
                       .trim();
        };

        const convertAssToVtt = (assText) => {
            let vtt = "WEBVTT\n\n";
            const lines = assText.split('\n');
            let inEvents = false;
            let count = 1;

            const fmtTime = (t) => {
                if (!t) return "00:00:00.000";
                const parts = t.trim().split('.');
                const hms = parts[0].split(':');
                const ms = (parts[1] || '00').padEnd(3, '0');
                return `${hms[0].padStart(2,'0')}:${hms[1]}:${hms[2]}.${ms}`;
            };

            for (let line of lines) {
                line = line.trim();
                if (line.startsWith('[Events]')) { inEvents = true; continue; }
                if (!inEvents || !line.startsWith('Dialogue:')) continue;

                const parts = line.split(',');
                if (parts.length < 10) continue;

                const start = fmtTime(parts[1]);
                const end = fmtTime(parts[2]);
                const rawText = parts.slice(9).join(',');
                const text = cleanSubText(rawText);

                if (text) {
                    vtt += `${count++}\n${start} --> ${end}\n${text}\n\n`;
                }
            }
            return vtt;
        };

        const convertSrtToVtt = (srtText) => {
            if (/^WEBVTT/i.test(srtText)) return srtText;

            let vtt = "WEBVTT\n\n";
            const text = srtText.replace(/\r\n/g, '\n').replace(/\r/g, '\n');
            const regex = /(\d{2}:\d{2}:\d{2}[,.]\d{3})\s*-->\s*(\d{2}:\d{2}:\d{2}[,.]\d{3})/g;
            let match;
            const cues = [];
            while ((match = regex.exec(text)) !== null) {
                cues.push({
                    start: match[1],
                    end: match[2],
                    index: match.index,
                    endOfLine: regex.lastIndex
                });
            }

            let count = 1;
            for (let i = 0; i < cues.length; i++) {
                const cue = cues[i];
                const nextCue = cues[i + 1];
                const contentStart = cue.endOfLine;
                const contentEnd = nextCue ? nextCue.index : text.length;
                let rawContent = text.substring(contentStart, contentEnd);
                rawContent = rawContent.replace(/\n+\s*\d+\s*$/, '');
                const cleanContent = cleanSubText(rawContent);
                const vttStart = cue.start.replace(/,/g, '.');
                const vttEnd = cue.end.replace(/,/g, '.');

                if (cleanContent) {
                    vtt += `${count++}\n${vttStart} --> ${vttEnd}\n${cleanContent}\n\n`;
                }
            }

            return vtt;
        };

        const autoMatchSubtitle = async (videoItem) => {
            const parentId = videoItem.parent_id;
            if (!parentId) return;

            const videoNameBase = videoItem.name.substring(0, videoItem.name.lastIndexOf('.'));

            let files = [];
            if (typeof globalCache !== 'undefined' && globalCache.has(parentId)) {
                files = globalCache.get(parentId);
            } else {
                try {
                    files = await apiList(parentId, 100);
                } catch(e) { return; }
            }
            if (!files || files.length === 0) return;

            const subFiles = files.filter(f =>
                !f.trashed && f.kind !== 'drive#folder' &&
                /\.(srt|vtt|ass|ssa)$/i.test(f.name)
            );
            if (subFiles.length === 0) return;

            let targetSub = subFiles.find(f => {
                const subBase = f.name.substring(0, f.name.lastIndexOf('.'));
                return subBase === videoNameBase;
            });

            if (!targetSub) {
                targetSub = subFiles.find(f => f.name.includes(videoNameBase));
            }

            if (targetSub) {
                console.log(`[AutoSub] Matched: ${targetSub.name}`);
                const box = d.querySelector('#pk_p_box');
                const toast = document.createElement('div');
                toast.style.cssText = "position:absolute;top:80px;right:20px;background:rgba(0,0,0,0.6);color:#fff;padding:6px 12px;border-radius:4px;font-size:12px;pointer-events:none;animation:pkFadeIn 0.5s;z-index:90;";
                toast.textContent = L.msg_auto_sub_load.replace('{n}', targetSub.name);
                box.appendChild(toast);
                setTimeout(()=>toast.remove(), 4000);

                try {
                    let link = targetSub.web_content_link;
                    if (!link) {
                        const detail = await apiGet(targetSub.id);
                        link = detail.web_content_link;
                    }

                    const res = await fetch(link);
                    const buffer = await res.arrayBuffer();

                    const encodings = ['utf-8', 'gbk', 'big5', 'utf-16le', 'shift_jis'];
                    let text = "";
                    for (let enc of encodings) {
                        try {
                            const decoder = new TextDecoder(enc, { fatal: true });
                            text = decoder.decode(buffer);
                            break;
                        } catch (e) { if(enc === 'shift_jis') text = new TextDecoder('utf-8').decode(buffer); }
                    }

                    let vttText = "";
                    const subExt = targetSub.name.split('.').pop().toLowerCase();
                    if (subExt === 'ass' || subExt === 'ssa') {
                        vttText = convertAssToVtt(text);
                    } else {
                        vttText = convertSrtToVtt(text);
                    }

                    const blob = new Blob([vttText], { type: 'text/vtt' });
                    if (subState.blobUrl) URL.revokeObjectURL(subState.blobUrl);
                    subState.blobUrl = URL.createObjectURL(blob);

                    let targetTrack = null;
                    if (v.textTracks) {
                        for (let i = 0; i < v.textTracks.length; i++) {
                            const t = v.textTracks[i];
                            if (t.label === 'pk-subs') targetTrack = t;
                            t.mode = 'disabled';
                        }
                    }
                    if (!targetTrack) targetTrack = v.addTextTrack("subtitles", "pk-subs", "en");

                    targetTrack.oncuechange = () => {
                        const cues = targetTrack.activeCues;
                        const txtEl = d.querySelector('#pk_sub_text');
                        if (cues && cues.length > 0 && txtEl) {
                            const text = cues[cues.length - 1].text;
                            txtEl.innerHTML = text.replace(/<[^>]+>/g, '').replace(/\n/g, '<br>');
                            txtEl.style.display = 'block';
                        } else if (txtEl) {
                            txtEl.style.display = 'none';
                        }
                    };

                    const vttLines = vttText.split('\n');
                    let cueStart = null, cueEnd = null, cueText = [];
                    const timeReg = /(\d{2}):(\d{2}):(\d{2})[.,](\d{3})\s*-->\s*(\d{2}):(\d{2}):(\d{2})[.,](\d{3})/;

                    while (targetTrack.cues && targetTrack.cues.length > 0) targetTrack.removeCue(targetTrack.cues[0]);

                    vttLines.forEach(line => {
                        const match = line.match(timeReg);
                        if (match) {
                            if (cueStart !== null && cueText.length > 0) {
                                try { targetTrack.addCue(new VTTCue(cueStart, cueEnd, cueText.join('\n'))); } catch(e){}
                            }
                            cueStart = parseInt(match[1])*3600 + parseInt(match[2])*60 + parseInt(match[3]) + parseInt(match[4])/1000;
                            cueEnd = parseInt(match[5])*3600 + parseInt(match[6])*60 + parseInt(match[7]) + parseInt(match[8])/1000;
                            cueText = [];
                        } else if (line.trim() !== '' && !line.trim().startsWith('WEBVTT') && !/^\d+$/.test(line.trim())) {
                            if (cueStart !== null) cueText.push(line.trim());
                        }
                    });
                    if (cueStart !== null && cueText.length > 0) {
                        try { targetTrack.addCue(new VTTCue(cueStart, cueEnd, cueText.join('\n'))); } catch(e){}
                    }

                    subState.hasSub = true;
                    subState.track = targetTrack;
                    subState.track.mode = 'hidden';
                    updateSubStyle();

                    const toggle = d.querySelector('#pk_sub_toggle');
                    if(toggle) toggle.checked = true;
                    const nameLabel = d.querySelector('#pk_sub_name');
                    if(nameLabel) nameLabel.textContent = targetSub.name;

                    updateSubStyle();

                } catch (e) {
                    console.warn("[AutoSub] Load failed", e);
                }
            }
        };

        const btnCloudSub = d.querySelector('#pk_sub_cloud_btn');
        btnCloudSub.onclick = async (e) => {
            e.stopPropagation();

            const subPanel = d.querySelector('#pk_sub_panel');
            const subTrigger = d.querySelector('#pk_sub_trigger');
            if (subPanel && subTrigger) {
                subPanel.style.setProperty('display', 'none', 'important');
                const clearDisplay = () => {
                    subPanel.style.removeProperty('display');
                    subTrigger.removeEventListener('mouseleave', clearDisplay);
                };
                subTrigger.addEventListener('mouseleave', clearDisplay);
            }

            if (v && !v.paused) v.pause();

            const originalText = btnCloudSub.textContent;
            btnCloudSub.textContent = L.loading;
            btnCloudSub.style.opacity = "0.6";
            btnCloudSub.style.pointerEvents = "none";

            let startPath = [{ id: '', name: L.btn_nav_home }];
            let targetFolderId = '';

            try {
                let targetItem = item;

                if (S.offlineMode || S.uploadMode || S.recentMode || item.kind === 'drive#task') {
                    const realFileId = (item.kind === 'drive#task' || S.offlineMode || S.uploadMode)
                        ? (item.file_id || (item.params && item.params.file_id))
                        : item.id;

                    if (realFileId) {
                        try {
                            targetItem = await apiGet(realFileId);
                        } catch(err) {
                            console.warn("[CloudSub] Failed to resolve task file:", err);
                        }
                    }
                }

                if (targetItem.parent_id && targetItem.parent_id !== 'root') {
                    targetFolderId = targetItem.parent_id;
                }

                if (targetItem._lineage && Array.isArray(targetItem._lineage) && targetItem._lineage.length > 0) {
                     startPath = targetItem._lineage.map(x => ({ id: x.id || '', name: x.name }));
                     if (startPath.length > 0 && startPath[0].id !== '' && startPath[0].id !== 'root') {
                        startPath.unshift({ id: '', name: L.btn_nav_home });
                    }
                }
                else if (targetFolderId) {
                    const trace = [];
                    let curr = targetFolderId;
                    let safety = 6;

                    while (curr && curr !== 'root' && safety > 0) {
                        try {
                            const f = await apiGet(curr);
                            trace.unshift({ id: f.id, name: f.name });
                            curr = f.parent_id;
                        } catch(e) {
                            break;
                        }
                        safety--;
                    }

                    if (trace.length > 0) {
                        startPath = [{ id: '', name: L.btn_nav_home }, ...trace];
                    }
                }
                else if (S.path && S.path.length > 0) {
                    const cleanPath = S.path.filter(p => !p.id.startsWith('virtual_') && !p.id.includes('_root') && p.id !== 'analyze_root');
                    if (cleanPath.length > 0) {
                        startPath = cleanPath;
                        if (startPath[0].id !== '' && startPath[0].id !== 'root') {
                            startPath.unshift({ id: '', name: L.btn_nav_home });
                        }
                    }
                }

            } catch (error) {
                console.error("[CloudSub] Path resolve error:", error);
                targetFolderId = '';
                startPath = [{ id: '', name: L.btn_nav_home }];
            } finally {
                btnCloudSub.textContent = originalText;
                btnCloudSub.style.opacity = "1";
                btnCloudSub.style.pointerEvents = "auto";
            }

            showFolderSelector(
                targetFolderId,
                async (id, name, subItem) => {
                    const box = d.querySelector('#pk_p_box');
                    const toast = document.createElement('div');
                    toast.style.cssText = "position:absolute;top:80px;right:20px;background:rgba(0,0,0,0.8);color:#fff;padding:8px 16px;border-radius:4px;font-size:13px;pointer-events:none;z-index:90;display:flex;align-items:center;gap:8px;";
                    toast.innerHTML = `<div class="pk-spin-lg" style="width:14px;height:14px;border-width:2px;"></div> ${L.msg_dl_sub}`;
                    box.appendChild(toast);

                    try {
                        let link = subItem.web_content_link;
                        if (!link) {
                            const detail = await apiGet(subItem.id);
                            link = detail.web_content_link;
                        }

                        const res = await fetch(link);
                        const buffer = await res.arrayBuffer();

                        const encodings = ['utf-8', 'gbk', 'big5', 'utf-16le', 'shift_jis', 'windows-1252'];
                        let text = "";
                        for (let enc of encodings) {
                            try {
                                const decoder = new TextDecoder(enc, { fatal: true });
                                text = decoder.decode(buffer);
                                break;
                            } catch (e) { if(enc === 'windows-1252') text = new TextDecoder('utf-8').decode(buffer); }
                        }

                        let vttText = "";
                        const subExt = subItem.name.split('.').pop().toLowerCase();
                        if (subExt === 'ass' || subExt === 'ssa') {
                            vttText = convertAssToVtt(text);
                        } else {
                            vttText = convertSrtToVtt(text);
                        }

                        const blob = new Blob([vttText], { type: 'text/vtt' });
                        if (subState.blobUrl) URL.revokeObjectURL(subState.blobUrl);
                        subState.blobUrl = URL.createObjectURL(blob);

                        let targetTrack = null;
                        if (v.textTracks) {
                            for (let i = 0; i < v.textTracks.length; i++) {
                                const t = v.textTracks[i];
                                if (t.label === 'pk-subs') targetTrack = t;
                                t.mode = 'disabled';
                            }
                        }
                        if (!targetTrack) targetTrack = v.addTextTrack("subtitles", "pk-subs", "en");

                        targetTrack.oncuechange = () => {
                            const cues = targetTrack.activeCues;
                            const txtEl = d.querySelector('#pk_sub_text');
                            if (cues && cues.length > 0 && txtEl) {
                                const text = cues[cues.length - 1].text;
                                txtEl.innerHTML = text.replace(/<[^>]+>/g, '').replace(/\n/g, '<br>');
                                txtEl.style.display = 'block';
                            } else if (txtEl) {
                                txtEl.style.display = 'none';
                            }
                        };

                        const vttLines = vttText.split('\n');
                        let cueStart = null, cueEnd = null, cueText = [];
                        const timeReg = /(\d{2}):(\d{2}):(\d{2})[.,](\d{3})\s*-->\s*(\d{2}):(\d{2}):(\d{2})[.,](\d{3})/;

                        while (targetTrack.cues && targetTrack.cues.length > 0) targetTrack.removeCue(targetTrack.cues[0]);

                        vttLines.forEach(line => {
                            const match = line.match(timeReg);
                            if (match) {
                                if (cueStart !== null && cueText.length > 0) {
                                    try { targetTrack.addCue(new VTTCue(cueStart, cueEnd, cueText.join('\n'))); } catch(e){}
                                }
                                cueStart = parseInt(match[1])*3600 + parseInt(match[2])*60 + parseInt(match[3]) + parseInt(match[4])/1000;
                                cueEnd = parseInt(match[5])*3600 + parseInt(match[6])*60 + parseInt(match[7]) + parseInt(match[8])/1000;
                                cueText = [];
                            } else if (line.trim() !== '' && !line.trim().startsWith('WEBVTT') && !/^\d+$/.test(line.trim())) {
                                if (cueStart !== null) cueText.push(line.trim());
                            }
                        });
                        if (cueStart !== null && cueText.length > 0) {
                            try { targetTrack.addCue(new VTTCue(cueStart, cueEnd, cueText.join('\n'))); } catch(e){}
                        }

                        subState.hasSub = true;
                        subState.track = targetTrack;
                        subState.track.mode = 'hidden';
                        updateSubStyle();

                        const toggle = d.querySelector('#pk_sub_toggle');
                        if(toggle) toggle.checked = true;
                        const nameLabel = d.querySelector('#pk_sub_name');
                        if(nameLabel) nameLabel.textContent = subItem.name;

                        updateSubStyle();
                        toast.innerHTML = `✅ ${L.msg_auto_sub_load.replace('{n}', subItem.name)}`;
                        setTimeout(() => toast.remove(), 3000);

                    } catch (err) {
                        console.error(err);
                        toast.innerHTML = `❌ ${L.err_sub_dl_fail}`;
                        setTimeout(() => toast.remove(), 4000);
                    }
                },
                startPath,
                (f) => /\.(srt|vtt|ass|ssa)$/i.test(f.name),
                L.title_sel_sub
            );
        };

        const loadJSZip = () => {
            if (window.JSZip) return Promise.resolve(window.JSZip);
            return new Promise((resolve, reject) => {
                const script = document.createElement('script');
                script.src = 'https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js';
                script.onload = () => resolve(window.JSZip);
                script.onerror = () => reject(new Error(L.msg_jszip_fail));

                document.head.appendChild(script);
            });
        };

        const cleanFilename = (name) => {
            let n = name.toLowerCase();
            n = n.replace(/\.[^/.]+$/, "");
            n = n.replace(/^(\d{2,4}|[a-z]\d{2,4})[\.\s\-\_]+/, "");

            const garbage = [
                /\b(1080p|720p|2160p|4k|uhd|hd)\b.*/,
                /\b(bluray|web-dl|webrip|remux|hdtv)\b.*/,
                /\b(x264|x265|hevc|h264|aac|dts|ac3)\b.*/,
                /\[.*?\]/g,
                /\(.*?\)/g,
                /\{.*?\}/g
            ];
            garbage.forEach(g => n = n.replace(g, ''));

            n = n.replace(/[\._\+]/g, ' ').trim();

            const episodeMatch = n.match(/(.*?)s\d+e\d+/);
            if (episodeMatch) return episodeMatch[0];
            return n;
        };

        const gmxRequest = (url, type='text') => {
            return new Promise((resolve, reject) => {
                GM_xmlhttpRequest({
                    method: "GET",
                    url: url,
                    responseType: type,
                    anonymous: false,
                    headers: {
                        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
                        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
                        "Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8",
                        "Cache-Control": "no-cache",
                        "Pragma": "no-cache"
                    },
                    onload: (res) => {
                        if (res.status === 200) {
                            resolve(res.response);
                        } else if (res.status === 404) {
                            resolve(null);
                        } else {
                            console.warn(`[Subtitle] HTTP ${res.status} from ${url}`);
                            resolve(null);
                        }
                    },
                    onerror: (e) => reject(new Error(L.err_req_blocked)),
                    ontimeout: () => reject(new Error(L.err_req_timeout))
                });
            });
        };

        const btnSearchSub = d.querySelector('#pk_sub_search_btn');

        btnSearchSub.onclick = async (e) => {
            e.stopPropagation();

            const subPanel = d.querySelector('#pk_sub_panel');
            const subTrigger = d.querySelector('#pk_sub_trigger');
            if (subPanel && subTrigger) {
                subPanel.style.setProperty('display', 'none', 'important');
                const clearDisplay = () => {
                    subPanel.style.removeProperty('display');
                    subTrigger.removeEventListener('mouseleave', clearDisplay);
                };
                subTrigger.addEventListener('mouseleave', clearDisplay);
            }

            const searchOv = document.createElement('div');
            searchOv.className = 'pk-sub-search-modal';
            searchOv.style.cssText = `
                position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
                background: rgba(20,20,20,0.95); border: 1px solid #444; border-radius: 8px;
                width: 380px; height: 450px; display: flex; flex-direction: column;
                box-shadow: 0 10px 40px rgba(0,0,0,0.8); z-index: 60; padding: 15px; backdrop-filter: blur(10px);
            `;
            box.appendChild(searchOv);

            searchOv.onclick = (evt) => evt.stopPropagation();

            const keyword = cleanFilename(item.name);

            searchOv.innerHTML = `
                <div style="margin-bottom:10px; padding-bottom:10px; border-bottom:1px solid #333;">
                    <input id="pk_sub_search_input" value="${esc(keyword)}" placeholder="${L.ph_sub_search}" style="width:100%; box-sizing:border-box; background:#181818; border:1px solid #444; color:#fff; padding:8px 12px; border-radius:4px; outline:none; font-size:13px;">
                </div>
                <div id="pk_sub_search_list" class="pk-scroll" style="flex:1; overflow-y:auto;">
                </div>
                <button id="pk_sub_search_close" style="margin-top:10px; background:#333; color:#fff; border:none; padding:8px; border-radius:4px; cursor:pointer; font-size:13px;">${L.btn_close}</button>
            `;

            const resultList = searchOv.querySelector('#pk_sub_search_list');
            const input = searchOv.querySelector('#pk_sub_search_input');


            const doSearch = (query) => {
                const cleanQ = query.trim();
                if (!cleanQ) return;

                const plusQ = encodeURIComponent(cleanQ).replace(/%20/g, '+');
                const spaceQ = encodeURIComponent(cleanQ);

                const curLang = L.lang_code;

                let engines = [];

                if (curLang === 'zh') {
                    engines = [
                        { name: 'Assrt', url: `https://assrt.net/sub/?searchword=${plusQ}` },
                        { name: 'SubHD', url: `https://subhd.tv/search/${spaceQ}` },
                        { name: 'OpenSubtitles', url: `https://www.opensubtitles.org/zh/search2/sublanguageid-kor/moviename-${plusQ}` },
                    ];
                } else if (curLang === 'tc') {
                    engines = [
                        { name: 'R3Sub', url: `https://r3sub.com/search.php?s=${plusQ}` },
                        { name: 'SubHD', url: `https://subhd.tv/search/${spaceQ}` },
                        { name: 'Assrt', url: `https://assrt.net/sub/?searchword=${plusQ}` }
                    ];
                } else if (curLang === 'ko') {
                    engines = [
                        { name: 'iSubtitles', url: `https://isubtitles.org/search?q=${plusQ}` },
                        { name: 'OpenSubtitles', url: `https://www.opensubtitles.org/ko/search2/sublanguageid-kor/moviename-${plusQ}` },
                        { name: 'SubtitleCat', url: `https://www.subtitlecat.com/index.php?search=${plusQ}` }
                    ];
                } else if (curLang === 'ja') {
                    engines = [
                        { name: 'OpenSubtitles', url: `https://www.opensubtitles.org/ja/search2/sublanguageid-jpn/moviename-${plusQ}` },
                        { name: 'MovieSubtitles', url: `https://www.moviesubtitles.org/search.php?q=${plusQ}` },
                        { name: 'Anime Tosho', url: `https://animetosho.org/search?q=${plusQ}` }
                    ];
                } else if (curLang === 'id') {
                    engines = [
                        { name: 'OpenSubtitles', url: `https://www.opensubtitles.org/id/search2/sublanguageid-ind/moviename-${plusQ}` },
                        { name: 'Samehadaku', url: `https://samehadaku.li/?s=${plusQ}` },
                        { name: 'Anoboy', url: `https://anoboy.be/?s=${plusQ}` }
                    ];
                } else if (curLang === 'ms') {
                    engines = [
                        { name: 'OpenSubtitles', url: `https://www.opensubtitles.org/ms/search2/sublanguageid-may/moviename-${plusQ}` },
                        { name: 'PencuriMovie', url: `https://pencurimovie.my/?s=${plusQ}` },
                        { name: 'Oh Flix', url: `https://vvww.ohflix.my.id/?s=${plusQ}` }
                    ];
                } else {
                    engines = [
                        { name: 'OpenSubtitles', url: `https://www.opensubtitles.org/en/search2/sublanguageid-eng/moviename-${plusQ}` },
                        { name: 'MovieSubtitles', url: `https://www.moviesubtitles.org/search.php?q=${plusQ}` },
                        { name: 'iSubtitles', url: `https://isubtitles.org/search?q=${plusQ}` }
                    ];
                }

                let html = `<div style="padding: 10px 15px; display: flex; flex-direction: column; gap: 8px;">`;

                engines.forEach(e => {
                    html += `
                        <a href="${e.url}" target="_blank" style="
                            display: block;
                            padding: 10px 16px;
                            background: #2a2a2a;
                            color: #eee;
                            text-decoration: none;
                            border-radius: 6px;
                            text-align: left;
                            font-size: 13px;
                            font-weight: 500;
                            border: 1px solid #3d3d3d;
                            transition: all 0.2s;
                        " onmouseover="this.style.background='#3d3d3d';this.style.borderColor='var(--pk-pri)'"
                           onmouseout="this.style.background='#2a2a2a';this.style.borderColor='#3d3d3d'">
                            ${L.btn_go_search.replace('{n}', e.name)}
                        </a>`;
                });

                html += `
                    <div style="font-size: 11px; color: #777; margin-top: 10px; line-height: 1.6; text-align: left;">
                        ${L.tip_manual_sub}
                    </div>
                </div>`;

                resultList.innerHTML = html;
            };

            try {
                await loadJSZip();
                doSearch(input.value);
            } catch (err) {
                resultList.innerHTML = `<div style="color:#d93025;">${L.msg_jszip_fail}</div>`;
            }

            input.oninput = () => doSearch(input.value);

            input.onkeydown = (ev) => {
                ev.stopPropagation();
            };

            searchOv.querySelector('#pk_sub_search_close').onclick = () => searchOv.remove();
        };

        d.querySelector('#pk_sub_toggle').onchange = (e) => {
            updateSubStyle();
            if (v.textTracks) {
                 Array.from(v.textTracks).forEach(t => {
                     if (t !== subState.track) t.mode = 'disabled';
                 });
            }
        };

        if (v.textTracks) {
            v.textTracks.addEventListener('addtrack', (e) => {
                if (subState.hasSub && e.track !== subState.track) {
                    e.track.mode = 'disabled';
                }
            });
        }

        const sizeVal = d.querySelector('#pk_sub_size_val');
        d.querySelector('#pk_sub_size_dec').onclick = (e) => {
            e.stopPropagation();
            subState.size = Math.max(12, subState.size - 2);
            sizeVal.textContent = subState.size;
            updateSubStyle();
        };
        d.querySelector('#pk_sub_size_inc').onclick = (e) => {
            e.stopPropagation();
            subState.size = Math.min(80, subState.size + 2);
            sizeVal.textContent = subState.size;
            updateSubStyle();
        };

        d.querySelector('#pk_sub_pos').oninput = (e) => {
            e.stopPropagation();
            subState.pos = parseInt(e.target.value);
            updateSubStyle();
        };

        d.querySelector('#pk_sub_bg_opacity').oninput = (e) => {
            e.stopPropagation();
            subState.bgOpacity = parseInt(e.target.value) / 100;
            updateSubStyle();
        };

        const timeVal = d.querySelector('#pk_sub_time_val');
        const adjustOffset = (delta) => {
            subState.offset += delta;
            timeVal.textContent = subState.offset.toFixed(1) + " " + L.unit_sec;

            if (subState.track && subState.track.cues) {
                const cues = Array.from(subState.track.cues);
                cues.forEach(cue => {
                    cue.startTime += delta;
                    cue.endTime += delta;
                });
            }
        };
        d.querySelector('#pk_sub_time_dec').onclick = (e) => { e.stopPropagation(); adjustOffset(-0.5); };
        d.querySelector('#pk_sub_time_inc').onclick = (e) => { e.stopPropagation(); adjustOffset(0.5); };

        d.querySelector('#pk_sub_panel').onclick = (e) => e.stopPropagation();

        d.querySelectorAll('.pk-sub-tab').forEach(t => {
            t.onclick = () => {
                d.querySelectorAll('.pk-sub-tab, .pk-sub-pane').forEach(el => el.classList.remove('active'));
                t.classList.add('active');
                d.querySelector('#' + t.dataset.target).classList.add('active');
            };
        });

        const curPMode = gmGet('pk_play_mode', 'stop');
        const pRadios = d.querySelectorAll('input[name="pk_pmode"]');
        pRadios.forEach(r => {
            if (r.value === curPMode) r.checked = true;
            r.onchange = () => gmSet('pk_play_mode', r.value);
        });

        let transformState = { rotate: 0, flipH: 1, flipV: 1, ratio: 'default' };

        const applyTransform = () => {
            if (document.pictureInPictureElement === v) {
                v.style.transform = 'none';
                return;
            }

            if (transformState.ratio === 'default') {
                v.style.objectFit = 'contain';
                v.style.width = '100%';
                v.style.height = box.classList.contains('plist-active') ? (document.fullscreenElement ? 'calc(100% - 84px)' : '100%') : '100%';
                v.style.aspectRatio = 'auto';
                v.style.margin = '0';
                v.style.inset = 'auto';
            } else {
                v.style.objectFit = 'fill';
                v.style.aspectRatio = transformState.ratio;
                v.style.width = 'auto';
                v.style.height = 'auto';
                v.style.maxWidth = '100%';
                v.style.maxHeight = '100%';
                v.style.margin = 'auto';
                v.style.inset = '0';
            }

            let autoScale = 1;
            if (Math.abs(transformState.rotate) % 180 !== 0) {
                const boxW = box.clientWidth;
                const boxH = box.clientHeight;
                const vW = v.offsetWidth || boxW;
                const vH = v.offsetHeight || boxH;

                if (vW > 0 && vH > 0) {
                    const scaleW = boxW / vH;
                    const scaleH = boxH / vW;
                    autoScale = Math.min(scaleW, scaleH);
                }
            }

            v.style.transform = `translateZ(0) rotate(${transformState.rotate}deg) scale(${autoScale}) scale(${transformState.flipH}, ${transformState.flipV})`;
        };

        const onResizeTransform = () => requestAnimationFrame(applyTransform);
        window.addEventListener('resize', onResizeTransform);


        d.querySelectorAll('#pk_ratio_opts .pk-size-btn').forEach(btn => {
            btn.onclick = (e) => {
                d.querySelectorAll('#pk_ratio_opts .pk-size-btn').forEach(b => b.classList.remove('active'));
                btn.classList.add('active');
                transformState.ratio = btn.dataset.ratio;
                applyTransform();
            };
        });

        d.querySelector('#pk_btn_rot_l').onclick = () => { transformState.rotate -= 90; applyTransform(); };
        d.querySelector('#pk_btn_rot_r').onclick = () => { transformState.rotate += 90; applyTransform(); };
        d.querySelector('#pk_btn_flip_h').onclick = () => { transformState.flipH *= -1; applyTransform(); };
        d.querySelector('#pk_btn_flip_v').onclick = () => { transformState.flipV *= -1; applyTransform(); };

        const opVal = d.querySelector('#pk_op_val');
        const edVal = d.querySelector('#pk_ed_val');
        let valOp = parseInt(gmGet('pk_skip_intro', 0)) || 0;
        let valEd = parseInt(gmGet('pk_skip_outro', 0)) || 0;
        opVal.textContent = valOp + " " + L.unit_sec;
        edVal.textContent = valEd + " " + L.unit_sec;

        const updateSkip = (type, delta) => {
            if (type === 'op') {
                valOp = Math.max(0, Math.min(3600, valOp + delta));
                opVal.textContent = valOp + " " + L.unit_sec;
                gmSet('pk_skip_intro', valOp);
            } else {
                valEd = Math.max(0, Math.min(3600, valEd + delta));
                edVal.textContent = valEd + " " + L.unit_sec;
                gmSet('pk_skip_outro', valEd);
            }
        };

        d.querySelector('#pk_op_dec').onclick = () => updateSkip('op', -5);
        d.querySelector('#pk_op_inc').onclick = () => updateSkip('op', 5);
        d.querySelector('#pk_ed_dec').onclick = () => updateSkip('ed', -5);
        d.querySelector('#pk_ed_inc').onclick = () => updateSkip('ed', 5);
        d.querySelector('#pk_op_mark').onclick = (e) => {
            e.stopPropagation();
            const markTime = Math.max(0, Math.floor(v.currentTime));
            valOp = markTime;
            opVal.textContent = valOp + " " + L.unit_sec;
            gmSet('pk_skip_intro', valOp);
        };

        d.querySelector('#pk_ed_mark').onclick = (e) => {
            e.stopPropagation();
            if (!v.duration) return;
            const markTime = Math.max(0, Math.floor(v.duration - v.currentTime));
            valEd = markTime;
            edVal.textContent = valEd + " " + L.unit_sec;
            gmSet('pk_skip_outro', valEd);
        };

        let hasTriggeredEnd = false;
        v.addEventListener('timeupdate', () => {
            const skipEd = parseInt(gmGet('pk_skip_outro', 0)) || 0;
            const skipOp = parseInt(gmGet('pk_skip_intro', 0)) || 0;
            if (skipEd > 0 && v.duration > 0 && !hasTriggeredEnd) {
                if (skipEd >= v.duration || (skipOp + skipEd) >= v.duration || v.currentTime < (v.duration / 2)) return;

                if (v.duration - v.currentTime <= skipEd) {
                    hasTriggeredEnd = true;
                    console.log(`[AutoSkip] Outro skipped at ${v.currentTime}`);
                    v.onended();
                }
            }
        });
        v.addEventListener('play', () => hasTriggeredEnd = false);
        v.addEventListener('seeking', () => hasTriggeredEnd = false);

        v.addEventListener('enterpictureinpicture', applyTransform);
        v.addEventListener('leavepictureinpicture', () => {
            if (typeof isSwitching !== 'undefined' && !isSwitching) {
                isPiPDesired = false;
            }
            applyTransform();
        });

        v.onended = () => {
            const mode = gmGet('pk_play_mode', 'stop');
            if (mode === 'single_loop') {
                v.currentTime = 0; v.play().catch(()=>{});
            } else if (mode === 'list_loop') {
                const nextIdx = (curListIdx + 1) % totalInList;
                if (totalInList > 1) softSwitch(nextIdx);
                else { v.currentTime = 0; v.play().catch(()=>{}); }
            }
        };

        const makeEditable = (el, type, callback) => {
            el.ondblclick = (e) => {
                e.stopPropagation();
                const oldText = el.textContent;
                const oldVal = type === 'offset' ? parseFloat(oldText) : parseInt(oldText);

                el.innerHTML = `<input type="text" value="${oldVal}" style="width:100%;height:100%;border:none;background:transparent;color:#fff;text-align:center;font-size:12px;outline:none;padding:0;margin:0;">`;
                const input = el.querySelector('input');
                input.focus();
                input.select();

                const finish = () => {
                    const val = parseFloat(input.value);
                    if (isNaN(val)) {
                        el.textContent = oldText;
                    } else {
                        let finalVal = type === 'offset' ? val : Math.round(val);
                        if (type !== 'offset') finalVal = Math.max(0, finalVal);

                        if (type === 'offset') el.textContent = finalVal.toFixed(1) + " " + L.unit_sec;
                        else el.textContent = finalVal;

                        callback(finalVal);
                    }
                    el.ondblclick = (evt) => { evt.stopPropagation(); makeEditable(el, type, callback).ondblclick(evt); };
                };

                input.onblur = finish;
                input.onkeydown = (ev) => {
                    ev.stopPropagation();
                    if (ev.key === 'Enter') {
                        input.blur();
                    }
                };
                input.onclick = (ev) => ev.stopPropagation();
            };
        };

        makeEditable(d.querySelector('#pk_sub_size_val'), 'int', (val) => {
            subState.size = val; updateSubStyle();
        });
        makeEditable(d.querySelector('#pk_sub_time_val'), 'offset', (val) => {
            const delta = val - subState.offset;
            adjustOffset(delta);
        });
        makeEditable(d.querySelector('#pk_op_val'), 'int', (val) => {
            valOp = Math.min(3600, val); gmSet('pk_skip_intro', valOp);
            d.querySelector('#pk_op_val').textContent = valOp + " " + L.unit_sec;
        });
        makeEditable(d.querySelector('#pk_ed_val'), 'int', (val) => {
            valEd = Math.min(3600, val); gmSet('pk_skip_outro', valEd);
            d.querySelector('#pk_ed_val').textContent = valEd + " " + L.unit_sec;
        });

        updateSubStyle();

        const playerKeyHandler = (e) => {
            if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
            if (!document.getElementById('pk-player-ov')) return;

            e.stopPropagation();
            e.preventDefault();
            resetHideTimer();

            switch(e.key) {
                case ' ':
                case 'k':
                    togglePlay();
                    break;
                case 'ArrowRight':
                    if (e.ctrlKey || e.metaKey) {
                        const nextIdx = (curListIdx + 1) % totalInList;
                        softSwitch(nextIdx);
                    } else {
                        const targetTime = Math.min(v.duration || 0, v.currentTime + 10);
                        v.currentTime = targetTime;
                        if (tCur) tCur.textContent = fmtT(targetTime);
                        if (progFilled && v.duration) progFilled.style.setProperty('width', `${(targetTime / v.duration) * 100}%`, 'important');
                        showSeekIndicatorAt(targetTime);
                    }
                    break;
                case 'ArrowLeft':
                    if (e.ctrlKey || e.metaKey) {
                        const prevIdx = (curListIdx - 1 + totalInList) % totalInList;
                        softSwitch(prevIdx);
                    } else {
                        const targetTime = Math.max(0, v.currentTime - 10);
                        v.currentTime = targetTime;
                        if (tCur) tCur.textContent = fmtT(targetTime);
                        if (progFilled && v.duration) progFilled.style.setProperty('width', `${(targetTime / v.duration) * 100}%`, 'important');
                        showSeekIndicatorAt(targetTime);
                    }
                    break;
                case 'p':
                case 'P':
                    const btnPip = d.querySelector('#pk_p_pip');
                    if (btnPip && btnPip.style.display !== 'none') btnPip.click();
                    break;
                case 'e':
                case 'E':
                    if (pTab) pTab.click();
                    break;
                case 'ArrowUp':
                case 'ArrowDown':
                    v.muted = false;
                    const delta = (e.key === 'ArrowUp' ? 0.05 : -0.05);
                    v.volume = Math.max(0, Math.min(1, v.volume + delta));
                    updateVolUI();

                    const volInd = d.querySelector('#pk_p_vol_indicator');
                    const volVal = d.querySelector('#pk_p_vol_val');
                    if (volInd && volVal) {
                        volVal.textContent = Math.round(v.volume * 100) + '%';
                        volInd.style.display = 'flex';
                        box.classList.add('pk-is-vol-active');
                        clearTimeout(v._volTimer);
                        v._volTimer = setTimeout(() => {
                            volInd.style.display = 'none';
                            box.classList.remove('pk-is-vol-active');
                        }, 1000);
                    }
                    break;
                case 'f':
                case 'F':
                    if (btnSearch && btnSearch.style.display !== 'none') btnSearch.click();
                    break;
                case 'Enter':
                    btnFull.click();
                    break;
                case 'Escape':
                    if (document.fullscreenElement) document.exitFullscreen();
                    else destroyPlayer();
                    break;
            }
        };
        document.addEventListener('keydown', playerKeyHandler);

        const initDur = (item.params && item.params.duration) ||
                        S.durationMap.get(item.id) ||
                        gmGet('pk_duration_' + item.id, 0);

        if (tDur && initDur > 0) tDur.textContent = fmtT(initDur);

        loadSource(currentLink, null);
        setTimeout(() => {
            if (isPlayerDestroyed) return;

            const p = v.play();
            if (p !== undefined) { p.catch(() => updateState()); }

            if (startFullscreen) {
                const box = d.querySelector('#pk_p_box');
                const btnFull = d.querySelector('#pk_p_full');
                if (box && box.requestFullscreen) {
                    box.requestFullscreen().then(() => {
                        if(btnFull) btnFull.innerHTML = mkSvg(icons.exitFull);
                    }).catch(err => console.warn("Fullscreen auto-resume failed", err));
                }
            }
        }, 100);

        autoMatchSubtitle(item);
    }

    let isImageOpening = false;
    async function showImage(startItem) {
        if (S.trashMode) return;

        if (document.querySelector('.pk-img-ov')) return;
        isImageOpening = true;
        let lastDirection = 1;
        const item = startItem;

        const imgList = S.display.filter(i => {
            if (i.isHeader) return false;
            if (S.offlineMode && i.phase !== 'PHASE_TYPE_COMPLETE') return false;
            if (S.uploadMode && i.status !== 'DONE') return false;
            return i.mime_type && i.mime_type.startsWith('image');
        });

        if (imgList.length === 0) return;

        let curIdx = imgList.findIndex(i => i.id === startItem.id);
        if (curIdx === -1) curIdx = 0;

        const d = document.createElement('div');
        d.className = 'pk-img-ov';
        d.tabIndex = 0;

        const icons = {
            close: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M18 6 6 18"/><path d="m6 6 12 12"/></svg>',
            full: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M15 3h6v6"/><path d="M9 21H3v-6"/><path d="M21 3l-7 7"/><path d="M3 21l7-7"/></svg>',
            exitFull: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M4 14h6v6"/><path d="M20 10h-6V4"/><path d="M14 10l7-7"/><path d="M3 21l7-7"/></svg>',
            prev: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"><path d="m15 18-6-6 6-6"/></svg>',
            next: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round"><path d="m9 18 6-6-6-6"/></svg>',
            rotate: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M21 12a9 9 0 1 1-9-9c2.52 0 4.93 1 6.74 2.74L21 8"/><path d="M21 3v5h-5"/></svg>',
            flipH: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M17 7l5 5-5 5M7 17l-5-5 5-5M2 12h20"/></svg>',
            flipV: '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M7 7l5-5 5 5M17 17l-5 5-5-5M12 2v20"/></svg>',
            searchlens: `<svg viewBox="0 0 24 24" fill="currentColor"><g transform="scale(0.0234375)"><path d="M107.739429 580.388571a365.860571 365.860571 0 0 0 648.630857 85.504L635.611429 532.48a36.571429 36.571429 0 0 0-56.612572 2.852571l-39.131428 53.101715a109.714286 109.714286 0 0 1-167.716572 10.605714L235.008 455.387429a36.571429 36.571429 0 0 0-58.002286 6.729142l-69.266285 118.272z m-19.894858-110.738285l26.038858-44.470857a109.714286 109.714286 0 0 1 174.08-20.333715l137.216 143.798857a36.571429 36.571429 0 0 0 55.881142-3.584l39.131429-53.101714a109.714286 109.714286 0 0 1 169.691429-8.484571l102.985142 113.810285A365.714286 365.714286 0 1 0 87.844571 469.577143z m658.139429 318.317714a438.857143 438.857143 0 1 1 50.029714-52.736c1.316571 1.024 2.56 2.194286 3.803429 3.437714l206.921143 206.848a36.571429 36.571429 0 0 1-51.712 51.712l-206.921143-206.848a37.083429 37.083429 0 0 1-2.194286-2.413714zM526.628571 314.514286a73.142857 73.142857 0 1 1 0-146.285715 73.142857 73.142857 0 0 1 0 146.285715z" fill="currentColor"></path></g></svg>`,
            leftArr: `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M15 6 L9 12 L15 18"/></svg>`,
            rightArr: `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M9 6 L15 12 L9 18"/></svg>`,
            upArr: `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="18 15 12 9 6 15"></polyline></svg>`
        };

        const renderImgListItems = () => {
            const RANGE = 150;
            const start = Math.max(0, curIdx - RANGE);
            const end = Math.min(imgList.length, curIdx + RANGE + 1);

            return imgList.slice(start, end).map((v, i) => {
                const absIdx = start + i;
                const coverSrc = (v.thumbnail_link && v.thumbnail_link !== v.icon_link) ? v.thumbnail_link : '';
                const phSrc = v.icon_link || v.thumbnail_link || '';
                const phSvg = getIcon(v);
                return `
            <div class="pk-p-plist-item ${absIdx === curIdx ? 'active' : ''}"
                data-idx="${absIdx}"
                data-name="${esc(v.name)}"
                data-size="${fmtSize(v.size)}">
                <div class="pk-p-plist-ph">
                    ${phSrc ? `<img src="${phSrc}" draggable="false">` : phSvg}
                </div>
                ${coverSrc ? `<img src="${coverSrc}" style="filter:none !important;opacity:0;" draggable="false" onload="this.style.opacity='1';if(this.previousElementSibling)this.previousElementSibling.style.display='none';" onerror="this.remove();if(this.previousElementSibling)this.previousElementSibling.style.display='flex';" loading="lazy">` : ``}
            </div>
        `;
            }).join('');
        };

        const listFixStyle = `<style>
        #pk_img_box { border-radius: 0 !important; }
        #pk_img_plist { pointer-events: none !important; left: 0 !important; right: 0 !important; width: 100% !important; margin: 0 !important; }
        #pk_img_plist .pk-p-plist-strip { display: none !important; opacity: 0 !important; position: relative !important; background: rgba(20, 20, 20, 0.98) !important; backdrop-filter: blur(15px) !important; -webkit-backdrop-filter: blur(15px) !important; border-top: 1px solid rgba(255,255,255,0.1); border-radius: 0 !important; width: 100% !important; }
        .pk-img-box.full #pk_img_plist .pk-p-plist-strip { border-radius: 0 !important; }
        .pk-img-box.full.plist-active { height: calc(100% - 84px) !important; }
        .pk-img-box.plist-active #pk_img_plist .pk-p-plist-strip { pointer-events: auto !important; }
        .pk-img-nav { position: absolute !important; top: 50% !important; transform: translateY(-50%) translateZ(0) !important; width: 60px !important; height: 60px !important; background: rgba(0, 0, 0, 0.3) !important; display: flex !important; align-items: center !important; justify-content: center !important; color: #fff !important; cursor: pointer !important; z-index: 40 !important; transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important; opacity: 0 !important; border-radius: 50% !important; border: 1px solid rgba(255, 255, 255, 0.18) !important; pointer-events: auto !important; box-shadow: 0 4px 15px rgba(0,0,0,0.15) !important; }
        .pk-img-box:hover .pk-img-nav { opacity: 1 !important; }
        .pk-img-nav:hover { background: rgba(0, 0, 0, 0.45) !important; transform: translateY(-50%) scale(1.08) translateZ(0) !important; border-color: rgba(255, 255, 255, 0.3) !important; }
        .pk-img-prev { left: 30px !important; }
        .pk-img-next { right: 30px !important; }
        .pk-img-nav svg { width: 24px !important; height: 24px !important; fill: none; stroke: currentColor; stroke-width: 2.8; stroke-linecap: round; stroke-linejoin: round; }
        .pk-img-prev svg { margin-left: -2px; }
        .pk-img-next svg { margin-left: 2px; }
        #pk_img_plist .pk-p-plist-nav { position: absolute !important; top: 0 !important; bottom: 0 !important; width: 50px !important; background: transparent !important; z-index: 35 !important; pointer-events: auto !important; cursor: pointer !important; display: flex !important; align-items: center !important; justify-content: center !important; border: none !important; transition: background 0.2s; }
        #pk_img_plist .pk-p-plist-nav.L { left: 0 !important; }
        #pk_img_plist .pk-p-plist-nav.R { right: 0 !important; }
        #pk_img_plist .pk-p-plist-nav:hover { background: rgba(255,255,255,0.15) !important; color: #fff !important; }
        #pk_img_plist .pk-p-plist-scroll { padding: 0 45px !important; pointer-events: auto !important; scrollbar-width: none; }
        #pk_img_plist_tab { position: absolute !important; bottom: 100% !important; left: 50% !important; transform: translateX(-50%) !important; z-index: 100 !important; }
        #pk_img_plist_tab svg { width: 14px !important; height: 14px !important; stroke-width: 3.5 !important; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
        #pk_img_plist.open #pk_img_plist_tab svg { transform: rotate(180deg); }
        #pk_img_plist .pk-p-plist-scroll { display: flex !important; align-items: center !important; overflow-x: auto !important; overflow-y: hidden !important; scroll-behavior: smooth; }
        .pk-img-view-port { flex: 1; width: 100%; height: 100%; overflow: hidden; position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; }
        .pk-img-view-port.pk-long-image-mode { overflow-y: auto !important; overflow-x: hidden !important; align-items: flex-start; }
        .pk-img-view-port.pk-long-image-mode::-webkit-scrollbar { width: 8px; }
        .pk-img-view-port.pk-long-image-mode::-webkit-scrollbar-track { background: rgba(0,0,0,0.3); }
        .pk-img-view-port.pk-long-image-mode::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.3); border-radius: 4px; }
        .pk-img-view-port.pk-long-image-mode::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.5); }
        .pk-long-image-mode img.pk-img-obj { width: 100% !important; max-width: 1200px !important; height: auto !important; object-fit: cover !important; margin: 0 auto !important; cursor: zoom-out !important; transform: none !important; } .pk-img-view-port.pk-fit-mode { overflow-y: hidden !important; align-items: center; } .pk-fit-mode img.pk-img-obj { height: 100% !important; object-fit: contain !important; cursor: zoom-in !important; }
        </style>`;

        d.innerHTML = listFixStyle + `
            <div class="pk-img-box" id="pk_img_box">
                <div class="pk-img-bar">
                    <div class="pk-img-title" id="pk_img_title"></div>
                    <div class="pk-img-actions">
                        <div class="pk-img-btn" id="pk_img_search" data-pk-tip="${L.btn_img_search}" style="display:none;">${icons.searchlens}</div>
                        <div class="pk-img-btn" id="pk_img_flip_v" data-pk-tip="${L.tip_flip_v}">${icons.flipV}</div>
                        <div class="pk-img-btn" id="pk_img_mirror" data-pk-tip="${L.tip_mirror}">${icons.flipH}</div>
                        <div class="pk-img-btn" id="pk_img_rot" data-pk-tip="${L.tip_rotate}">${icons.rotate}</div>
                        <div class="pk-img-btn" id="pk_img_full" data-pk-tip="${L.tip_maximize}">${icons.full}</div>
                        <div class="pk-img-btn" id="pk_img_close" data-pk-tip="${L.tip_close}">${icons.close}</div>
                    </div>
                </div>
                <div class="pk-img-nav pk-img-prev" id="pk_img_prev" data-pk-tip="${L.btn_prev_video}"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor"><path d="M15.5 19l-7-7 7-7"/></svg></div>
                <div class="pk-img-nav pk-img-next" id="pk_img_next" data-pk-tip="${L.btn_next_video}"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor"><path d="M8.5 19l7-7-7-7"/></svg></div>
                <div class="pk-p-loading" id="pk_img_load"><div class="pk-spin-lg" style="border-color:rgba(255,255,255,0.3); border-top-color:#fff;"></div></div>
                <div class="pk-img-view-port" id="pk_img_viewport"><img class="pk-img-obj" id="pk_img_el" draggable="false"></div>
                <div class="pk-p-plist-ov" id="pk_img_plist">
                    <div class="pk-p-plist-tab" id="pk_img_plist_tab" data-pk-tip="${L.tip_plist_open}">
                        <span id="pk_img_idx_txt">${curIdx + 1} / ${imgList.length}</span>
                        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor"><polyline points="18 15 12 9 6 15"></polyline></svg>
                    </div>
            <div class="pk-p-plist-strip">
                <div class="pk-p-plist-nav L" id="pk_img_plist_L">${icons.leftArr}</div>
                <div class="pk-p-plist-scroll" id="pk_img_plist_scroll">${renderImgListItems()}</div>
                <div class="pk-p-plist-nav R" id="pk_img_plist_R">${icons.rightArr}</div>
            </div>
        </div>
    </div>
`;
        document.body.appendChild(d);

        const box = d.querySelector('#pk_img_box');
        const img = d.querySelector('#pk_img_el');
        const viewport = d.querySelector('#pk_img_viewport');
        const title = d.querySelector('#pk_img_title');
        const loader = d.querySelector('#pk_img_load');
        const btnFull = d.querySelector('#pk_img_full');
        const btnRot = d.querySelector('#pk_img_rot');
        const btnMirror = d.querySelector('#pk_img_mirror');
        const btnFlipV = d.querySelector('#pk_img_flip_v');
        const btnSearch = d.querySelector('#pk_img_search');

        let scale = 1, transX = 0, transY = 0, rotation = 0, flipH = 1, flipV = 1, isDrag = false, startX, startY;
        let isLongImageMode = false;

        const updateTransform = () => {
            if (isLongImageMode) return;
            img.style.transform = `translate(${transX}px, ${transY}px) scale(${scale}) rotate(${rotation}deg) scaleX(${flipH}) scaleY(${flipV})`;
        };
        const resetView = (keepOrientation = false) => {
            scale = 1; transX = 0; transY = 0;
            if (!keepOrientation) {
                rotation = 0; flipH = 1; flipV = 1;
            }
            isLongImageMode = false;
            viewport.classList.remove('pk-long-image-mode');
            viewport.classList.remove('pk-fit-mode');
            if(viewport.scrollTop) viewport.scrollTop = 0;

            img.style.transition = 'none';
            img.style.width = '100%';
            img.style.height = '100%';
            img.style.objectFit = 'contain';
            img.style.maxWidth = 'none';
            img.style.cursor = 'grab';
            if (btnRot) btnRot.style.display = 'flex';
            if (btnMirror) btnMirror.style.display = 'flex';
            if (btnFlipV) btnFlipV.style.display = 'flex';
            updateTransform();

            requestAnimationFrame(() => {
                requestAnimationFrame(() => {
                    img.style.transition = '';
                });
            });
        };

        let imgLoadId = 0;

        const loadCurrent = async (scrollMode = 'smooth') => {
            if (typeof updateImgPlistUI === 'function') {
                updateImgPlistUI(scrollMode);
            }

            imgLoadId++;
            const myId = imgLoadId;

            resetView();
            img.style.opacity = '0';

            const currentItem = imgList[curIdx];
            title.textContent = `[${curIdx + 1}/${imgList.length}] ${currentItem.name}`;

            btnSearch.style.display = 'none';
            btnSearch.onclick = (e) => {
                e.stopPropagation();
                const thumbUrl = currentItem.thumbnail_link ? currentItem.thumbnail_link.replace('SIZE_MEDIUM', 'SIZE_LARGE') : (currentItem.icon_link || '');
                const thumbImg = new Image();
                thumbImg.crossOrigin = 'anonymous';
                thumbImg.src = thumbUrl;
                startImageSearch(thumbImg, currentItem.name, d, thumbUrl);
            };

            loader.style.display = 'block';

            const checkLongImage = () => {
                if (myId !== imgLoadId) return;

                btnSearch.style.display = 'flex';

                const nw = img.naturalWidth;
                const nh = img.naturalHeight;

                if (nw > 0 && nh > 0) {
                    if (nh / nw > 2.5) {
                        isLongImageMode = true;
                        viewport.classList.add('pk-long-image-mode');
                        img.style.transform = 'none';
                        if (btnRot) btnRot.style.display = 'none';
                        if (btnMirror) btnMirror.style.display = 'none';
                        if (btnFlipV) btnFlipV.style.display = 'none';
                    }
                }
                img.style.opacity = '1';
            };

            img.removeAttribute('crossorigin');

            if (currentItem.thumbnail_link) {
                img.src = currentItem.thumbnail_link;
                const handleThumb = () => {
                    if (myId !== imgLoadId) return;
                    checkLongImage();
                    loader.style.display = 'none';
                };
                img.onerror = () => {
                    if (myId !== imgLoadId) return;
                    img.style.opacity = '0';
                };
                if (img.complete) handleThumb();
                else img.onload = handleThumb;
            } else {
                img.removeAttribute('src');
                img.style.opacity = '0';
            }

            let targetUrl = currentItem.web_content_link;
            if (!targetUrl && !currentItem._resolved) {
                try {
                    const targetApiId = ((S.offlineMode && currentItem.kind === 'drive#task') || (S.uploadMode && currentItem.file_id)) ? currentItem.file_id : currentItem.id;
                    const fullItem = await apiGet(targetApiId);
                    if (fullItem) {
                        if (fullItem.thumbnail_link) currentItem.thumbnail_link = fullItem.thumbnail_link;
                        if (fullItem.icon_link) currentItem.icon_link = fullItem.icon_link;
                        if (myId === imgLoadId) requestAnimationFrame(() => updateImgPlistUI(false));
                    }
                    if (myId !== imgLoadId) return;
                    targetUrl = fullItem.web_content_link;
                    currentItem.web_content_link = targetUrl;
                    currentItem._resolved = true;
                } catch (e) { console.warn("API Error", e); }
            }

            if (myId !== imgLoadId) return;

            const performFinalRender = () => {
                if (myId !== imgLoadId) return;

                if (targetUrl && targetUrl !== currentItem.thumbnail_link) {
                    img.crossOrigin = 'anonymous';
                    img.src = targetUrl;
                } else {
                    img.crossOrigin = 'anonymous';
                }

                if (img.complete && img.naturalWidth > 0) {
                    checkLongImage();
                } else {
                    img.addEventListener('load', checkLongImage, { once: true });
                }

                btnSearch.onclick = (e) => {
                    e.stopPropagation();
                    const thumbUrl = currentItem.thumbnail_link ? currentItem.thumbnail_link.replace('SIZE_MEDIUM', 'SIZE_LARGE') : (currentItem.icon_link || '');
                    const thumbImg = new Image();
                    thumbImg.crossOrigin = 'anonymous';
                    thumbImg.src = thumbUrl;
                    startImageSearch(thumbImg, currentItem.name, d, thumbUrl);
                };

                const mainDir = lastDirection, sideDir = -lastDirection, DEPTH = 5;
                const quickLoad = (url) => { if(!url) return; const p = new Image(); p.src = url; };
                const getIdx = (offset) => (curIdx + offset + imgList.length) % imgList.length;

                quickLoad(imgList[getIdx(sideDir)].thumbnail_link);
                for (let i = 1; i <= DEPTH; i++) {
                    if (myId !== imgLoadId) return;
                    const next = imgList[getIdx(i * mainDir)];
                    quickLoad(next.thumbnail_link);
                    if (next.web_content_link) {
                        const p = new Image(); p.crossOrigin = 'anonymous'; p.src = next.web_content_link;
                    }
                }
            };

            if (targetUrl && targetUrl !== currentItem.thumbnail_link) {
                const tempImg = new Image();
                tempImg.crossOrigin = 'anonymous';
                tempImg.onload = performFinalRender;
                tempImg.onerror = performFinalRender;
                tempImg.src = targetUrl;
            } else {
                performFinalRender();
            }
        };

        d.addEventListener('wheel', (e) => {
            if (isLongImageMode) return;

            e.preventDefault();
            const delta = e.deltaY > 0 ? -0.1 : 0.1;
            scale = Math.max(0.1, Math.min(10, scale + delta));
            updateTransform();
        });

        img.onclick = () => {
            if (isLongImageMode) {
                viewport.classList.toggle('pk-fit-mode');
            }
        };
        d.addEventListener('wheel', (e) => {
            if (isLongImageMode) return;

            e.preventDefault();
            const delta = e.deltaY > 0 ? -0.1 : 0.1;
            let newScale = Math.max(0.1, Math.min(10, scale + delta));

            if (img.naturalWidth && viewport) {
                const vw = viewport.clientWidth;
                const vh = viewport.clientHeight;
                const iw = img.naturalWidth;
                const ih = img.naturalHeight;

                const baseRatio = Math.min(vw / iw, vh / ih);
                let curW = iw * baseRatio * newScale;
                let curH = ih * baseRatio * newScale;

                if (Math.abs(rotation % 180) === 90) [curW, curH] = [curH, curW];

                const limitX = curW > vw ? (curW - vw) / 2 : 0;
                const limitY = curH > vh ? (curH - vh) / 2 : 0;

                transX = Math.max(-limitX, Math.min(limitX, transX));
                transY = Math.max(-limitY, Math.min(limitY, transY));
            }

            scale = newScale;
            updateTransform();
        });

        img.onclick = () => {
            if (isLongImageMode) {
                viewport.classList.toggle('pk-fit-mode');
            }
        };
        img.addEventListener('mousedown', (e) => {
            if (e.button !== 0 || (isLongImageMode && !viewport.classList.contains('pk-fit-mode'))) return;
            e.preventDefault();
            const z = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            isDrag = true;
            img.style.cursor = 'grabbing';
            startX = e.clientX - transX * z;
            startY = e.clientY - transY * z;
        });

        document.addEventListener('mousemove', (e) => {
            if (!isDrag || isLongImageMode) return;
            const z = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            let tx = (e.clientX - startX) / z;
            let ty = (e.clientY - startY) / z;

            if (img.naturalWidth && viewport) {
                const vw = viewport.clientWidth;
                const vh = viewport.clientHeight;
                const iw = img.naturalWidth;
                const ih = img.naturalHeight;

                const baseRatio = Math.min(vw / iw, vh / ih);
                let curW = iw * baseRatio * scale;
                let curH = ih * baseRatio * scale;

                if (Math.abs(rotation % 180) === 90) [curW, curH] = [curH, curW];

                const limitX = curW > vw ? (curW - vw) / 2 : 0;
                const limitY = curH > vh ? (curH - vh) / 2 : 0;

                tx = Math.max(-limitX, Math.min(limitX, tx));
                ty = Math.max(-limitY, Math.min(limitY, ty));
            }

            transX = tx;
            transY = ty;
            updateTransform();
        });

        document.addEventListener('mouseup', () => {
            isDrag = false;
            if (!isLongImageMode && img) img.style.cursor = 'grab';
        });

        const resizeHandler = () => {
            if (isLongImageMode) return;
            resetView(true);
        };
        window.addEventListener('resize', resizeHandler);
        d._pkResizeHandler = resizeHandler;
        d._pkImgList = imgList;
        d._pkGetCurIdx = () => curIdx;
        Object.defineProperty(d, '_pkCurIdx', { get: () => curIdx, configurable: true });

        d.querySelector('#pk_img_close').onclick = (e) => {
            e.stopPropagation();
            S.closeImageOverlay();
        };

        btnFull.onclick = (e) => {
            e.stopPropagation();
            box.classList.toggle('full');
            const isNowFull = box.classList.contains('full');

            btnFull.innerHTML = isNowFull ? icons.exitFull : icons.full;
            btnFull.setAttribute('data-pk-tip', isNowFull ? L.tip_minimize : L.tip_maximize);

            if (isLongImageMode && viewport) {
                viewport.scrollTop = 0;
            } else {
                setTimeout(() => resetView(true), 210);
            }
        };

        btnRot.onclick = (e) => {
            e.stopPropagation();
            if (isLongImageMode) return;
            rotation += 90;
            updateTransform();
        };

        if (btnMirror) {
            btnMirror.onclick = (e) => {
                e.stopPropagation();
                if (isLongImageMode) return;
                flipH *= -1;
                img.style.transition = 'none';
                updateTransform();
                requestAnimationFrame(() => {
                    requestAnimationFrame(() => {
                        img.style.transition = '';
                    });
                });
            };
        }
        if (btnFlipV) {
            btnFlipV.onclick = (e) => {
                e.stopPropagation();
                if (isLongImageMode) return;
                flipV *= -1;
                img.style.transition = 'none';
                updateTransform();
                requestAnimationFrame(() => {
                    requestAnimationFrame(() => {
                        img.style.transition = '';
                    });
                });
            };
        }

        const plist = d.querySelector('#pk_img_plist');
        const pTab = d.querySelector('#pk_img_plist_tab');
        const pScroll = d.querySelector('#pk_img_plist_scroll');
        let pTip = document.getElementById('pk_p_plist_tip_global');
        if (!pTip) {
            pTip = document.createElement('div');
            pTip.id = 'pk_p_plist_tip_global';
            pTip.className = 'pk-p-plist-tip';
            document.body.appendChild(pTip);
        }
        const pTxt = d.querySelector('#pk_img_idx_txt');

        const updateImgPlistUI = (scrollType = 'smooth') => {
            if (pTxt) pTxt.textContent = `${curIdx + 1} / ${imgList.length}`;

            const RANGE = 150;
            const desiredStart = Math.max(0, curIdx - RANGE);
            const desiredEnd = Math.min(imgList.length, curIdx + RANGE + 1);

            const prevStart = parseInt(pScroll.dataset.pkStart || '-1', 10);
            const prevEnd = parseInt(pScroll.dataset.pkEnd || '-1', 10);

            const needRebuild =
                  !Number.isFinite(prevStart) ||
                  !Number.isFinite(prevEnd) ||
                  curIdx < prevStart ||
                  curIdx >= prevEnd ||
                  pScroll.childElementCount === 0 ||
                  pScroll.dataset.pkTotal !== String(imgList.length);

            if (needRebuild) {
                pScroll.innerHTML = renderImgListItems();
                pScroll.dataset.pkStart = String(desiredStart);
                pScroll.dataset.pkEnd = String(desiredEnd);
                pScroll.dataset.pkTotal = String(imgList.length);

                pScroll.querySelectorAll('.pk-p-plist-item').forEach(el => {
                    el.onclick = (e) => {
                        e.stopPropagation();
                        const idx = parseInt(e.currentTarget.dataset.idx, 10);
                        if (idx === curIdx) return;
                        curIdx = idx;
                        loadCurrent('instant');
                    };

                    el.onmouseenter = (e) => {
                        if (plist.classList.contains('open')) {
                            const name = e.currentTarget.dataset.name;
                            const size = e.currentTarget.dataset.size;
                            pTip.innerHTML = `<strong>${name}</strong><br>${size}`;
                            pTip.style.display = 'block';
                        }
                    };

                    el.onmousemove = (e) => {
                        if (pTip.style.display === 'block') {
                            const tW = pTip.offsetWidth || 150;
                            pTip.style.left = (e.clientX - (tW / 2)) + 'px';
                            pTip.style.top = (e.clientY - 60) + 'px';
                        }
                    };

                    el.onmouseleave = () => {
                        pTip.style.display = 'none';
                    };
                });
            }

            const itemsInDom = pScroll.querySelectorAll('.pk-p-plist-item');
            itemsInDom.forEach((el) => {
                const absIdx = parseInt(el.dataset.idx, 10);
                const isActive = absIdx === curIdx;
                el.classList.toggle('active', isActive);

                if (scrollType !== false && isActive && plist.classList.contains('open')) {
                    if (scrollType === 'instant') {
                        pScroll.style.scrollBehavior = 'auto';
                    } else {
                        pScroll.style.scrollBehavior = 'smooth';
                    }

                    el.scrollIntoView({
                        behavior: scrollType === 'instant' ? 'auto' : 'smooth',
                        block: 'nearest',
                        inline: 'center'
                    });

                    if (scrollType === 'instant') {
                        setTimeout(() => { pScroll.style.scrollBehavior = 'smooth'; }, 50);
                    }
                }
            });

            const sl = Math.ceil(pScroll.scrollLeft);
            const sw = pScroll.scrollWidth;
            const cw = pScroll.clientWidth;

            if (sw <= cw) {
                d.querySelector('#pk_img_plist_L').style.setProperty('display', 'none', 'important');
                d.querySelector('#pk_img_plist_R').style.setProperty('display', 'none', 'important');
            } else {
                if (sl <= 5) d.querySelector('#pk_img_plist_L').style.setProperty('display', 'none', 'important');
                else d.querySelector('#pk_img_plist_L').style.setProperty('display', 'flex', 'important');

                if (sl + cw >= sw - 5) d.querySelector('#pk_img_plist_R').style.setProperty('display', 'none', 'important');
                else d.querySelector('#pk_img_plist_R').style.setProperty('display', 'flex', 'important');
            }

            const btnPrev = d.querySelector('#pk_img_prev');
            const btnNext = d.querySelector('#pk_img_next');

            if (btnPrev) btnPrev.style.setProperty('display', curIdx === 0 ? 'none' : 'flex', 'important');
            if (btnNext) btnNext.style.setProperty('display', curIdx === imgList.length - 1 ? 'none' : 'flex', 'important');
        };

        pTab.onclick = (e) => {
            e.stopPropagation();

            const willOpen = !plist.classList.contains('open');

            plist.classList.toggle('open');
            if (typeof box !== 'undefined') box.classList.toggle('plist-active');

            pTab.setAttribute('data-pk-tip', plist.classList.contains('open') ? L.tip_plist_close : L.tip_plist_open);

            if (!isLongImageMode) resetView();

            if (willOpen) {
                updateImgPlistUI(false);
                pScroll.style.scrollBehavior = 'auto';

                const activeItem = pScroll.querySelector('.active');
                if (activeItem) {
                    const targetLeft = activeItem.offsetLeft - (pScroll.clientWidth / 2) + (activeItem.clientWidth / 2);
                    pScroll.scrollLeft = targetLeft;
                }

                setTimeout(() => { pScroll.style.scrollBehavior = 'smooth'; }, 50);
                setTimeout(() => updateImgPlistUI(false), 100);
            }
        };

        const handleListWheel = (e) => {
            e.stopPropagation();
            e.preventDefault();
            pScroll.scrollBy({ left: e.deltaY > 0 ? 300 : -300, behavior: 'smooth' });
        };

        pScroll.removeEventListener('wheel', handleListWheel);
        pScroll.addEventListener('wheel', handleListWheel, { passive: false });

        pScroll.addEventListener('scroll', () => {
             requestAnimationFrame(() => updateImgPlistUI(false));
        }, { passive: true });

        const btnListL = d.querySelector('#pk_img_plist_L');
        const btnListR = d.querySelector('#pk_img_plist_R');

        if (btnListL) {
            btnListL.onclick = (e) => {
                e.stopPropagation();
                pScroll.scrollBy({ left: -400, behavior: 'smooth' });
                setTimeout(() => updateImgPlistUI(false), 300);
            };
        }
        if (btnListR) {
            btnListR.onclick = (e) => {
                e.stopPropagation();
                pScroll.scrollBy({ left: 400, behavior: 'smooth' });
                setTimeout(() => updateImgPlistUI(false), 300);
            };
        }

        setTimeout(() => updateImgPlistUI(false), 100);

        const goPrev = () => {
            if (curIdx > 0) {
                lastDirection = -1;
                curIdx--;
                loadCurrent();
            }
        };
        const goNext = () => {
            if (curIdx < imgList.length - 1) {
                lastDirection = 1;
                curIdx++;
                loadCurrent();
            }
        };

        d.querySelector('#pk_img_prev').onclick = (e) => { e.stopPropagation(); goPrev(); };
        d.querySelector('#pk_img_next').onclick = (e) => { e.stopPropagation(); goNext(); };

        d.focus();
        d.addEventListener('keydown', (e) => {
            if (e.key === 'Escape') {
                S.closeImageOverlay();
            }
            else if (e.key === 'ArrowLeft') goPrev();
            else if (e.key === 'ArrowRight') goNext();
            else if (e.key === 'f' || e.key === 'F') {
                if (btnSearch && btnSearch.style.display !== 'none') btnSearch.click();
            }
            else if (e.key === 'e' || e.key === 'E') {
                if (pTab) pTab.click();
            }
            else if (e.key === 'm' || e.key === 'M') {
                e.preventDefault();
                if (btnFull) btnFull.click();
            }
            else if (e.key === 'r' || e.key === 'R') {
                e.preventDefault();
                if (!isLongImageMode && btnRot) btnRot.click();
            }
            else if (e.key === 'h' || e.key === 'H') {
                e.preventDefault();
                if (!isLongImageMode && btnMirror) btnMirror.click();
            }
            else if (e.key === 'v' || e.key === 'V') {
                e.preventDefault();
                if (!isLongImageMode && btnFlipV) btnFlipV.click();
            }
        });

        try { await loadCurrent(); } catch (e) { console.error(e); } finally { isImageOpening = false; }
    }

    const SEARCH_CSS = `
        .pk-search-ov {
            position: fixed; inset: 0; z-index: 2147483647;
            background: rgba(0,0,0,0.5); cursor: crosshair;
        }
        .pk-crop-box {
            position: absolute; border: 2px dashed #fff;
            background: rgba(255,255,255,0.1); pointer-events: none;
            box-shadow: 0 0 0 9999px rgba(0,0,0,0.5);
        }
        .pk-search-msg {
            position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
            background: rgba(0,0,0,0.8); color: #fff; padding: 10px 20px; border-radius: 5px;
            font-size: 14px; pointer-events: none;
        }
    `;

    let isImageSearchRunning = false;

    async function startImageSearch(mediaElement, fileName, containerElement, originalLink) {
        if (isImageSearchRunning) return;
        isImageSearchRunning = true;

        try { window.focus(); if (containerElement) containerElement.focus(); } catch (e) {}

        const L = getStrings();
        const isVideo = mediaElement.tagName === 'VIDEO';

        const MAX_SIDE = 1000;
        const BLOB_TYPE = 'image/jpeg';
        const BLOB_QUALITY = 0.7;

        let progressTask = null;
        if (typeof FloatBarManager !== 'undefined') {
            progressTask = FloatBarManager.create(L.str_processing);
        }

        if (isVideo && !mediaElement.paused) mediaElement.pause();

        try {
            let finalBlob = null;
            const cvs = document.createElement('canvas');
            const ctx = cvs.getContext('2d');

            const drawScaled = (source, srcW, srcH) => {
                let w = srcW, h = srcH;
                if (w === 0 || h === 0) throw new Error("Media dimensions not ready");
                if (w > MAX_SIDE || h > MAX_SIDE) {
                    const ratio = Math.min(MAX_SIDE / w, MAX_SIDE / h);
                    w = Math.floor(w * ratio); h = Math.floor(h * ratio);
                }
                cvs.width = w; cvs.height = h;
                ctx.drawImage(source, 0, 0, w, h);
            };

            let fetchUrl = originalLink;
            const isLocalData = fetchUrl && (fetchUrl.startsWith('blob:') || fetchUrl.startsWith('data:'));

            const BLOB_TYPE = 'image/jpeg';
            const BLOB_QUALITY = 0.85;

            if (isVideo) {
                const sourceW = mediaElement.videoWidth;
                const sourceH = mediaElement.videoHeight;
                drawScaled(mediaElement, sourceW, sourceH);
                try {
                    finalBlob = await new Promise((resolve, reject) => {
                        cvs.toBlob(b => b ? resolve(b) : reject(new Error("Empty")), BLOB_TYPE, BLOB_QUALITY);
                    });
                } catch (err) {
                    throw new Error("Tainted: Video CORS Blocked");
                }
            } else {
                let canvasSuccess = false;
                try {
                    const sourceW = mediaElement.naturalWidth || mediaElement.width;
                    const sourceH = mediaElement.naturalHeight || mediaElement.height;

                    if (sourceW > 0 && sourceH > 0) {
                        drawScaled(mediaElement, sourceW, sourceH);
                        finalBlob = await new Promise((resolve, reject) => {
                            try {
                                cvs.toBlob(b => b ? resolve(b) : reject(new Error("Tainted")), BLOB_TYPE, BLOB_QUALITY);
                            } catch (e) { reject(e); }
                        });
                        canvasSuccess = !!finalBlob;
                    }
                } catch (canvasErr) {
                    console.warn("[ImageSearch] DOM Canvas extraction failed (Tainted/Not Ready), fallback to network.");
                }

                if (!canvasSuccess && fetchUrl && !isLocalData) {
                    console.log("[ImageSearch] Fetching image via network as fallback...");
                    try {
                        const res = await fetch(fetchUrl, { mode: 'cors', credentials: 'omit' });
                        if (!res.ok && res.status !== 206) throw new Error(`Fetch HTTP ${res.status}`);
                        finalBlob = await res.blob();
                    } catch (fetchErr) {
                        console.warn(`[ImageSearch] Native fetch failed (${fetchErr.message}), fallback to GM_xhr...`);

                        let fetchRetry = 0;
                        let fetchSuccess = false;

                        while (fetchRetry < 3 && !fetchSuccess) {
                            try {
                                finalBlob = await new Promise((resolve, reject) => {
                                    GM_xmlhttpRequest({
                                        method: "GET",
                                        url: fetchUrl,
                                        responseType: "blob",
                                        timeout: 30000,
                                        headers: {
                                            "Referer": "https://mypikpak.com/",
                                            "User-Agent": navigator.userAgent
                                        },
                                        onload: (res) => {
                                            if (res.status === 200 || res.status === 206) resolve(res.response);
                                            else reject(new Error(`HTTP ${res.status}`));
                                        },
                                        onerror: () => reject(new Error("Network Error")),
                                        ontimeout: () => reject(new Error("Timeout"))
                                    });
                                });
                                fetchSuccess = true;
                            } catch (err) {
                                fetchRetry++;
                                if (fetchRetry < 3) {
                                    console.warn(`[ImageSearch] GM_xhr retry ${fetchRetry}/3...`);
                                    await new Promise(r => setTimeout(r, 1500));
                                }
                            }
                        }
                    }
                }

                if (!finalBlob) {
                    throw new Error(L.err_network_break);
                }

                if (finalBlob.size > 8 * 1024 * 1024) {
                    console.log(`[ImageSearch] Image too large (${(finalBlob.size/1024/1024).toFixed(1)}MB), applying compression...`);
                    try {
                        const bmp = await createImageBitmap(finalBlob);
                        drawScaled(bmp, bmp.width, bmp.height);
                        bmp.close();
                        finalBlob = await new Promise((resolve, reject) => {
                            cvs.toBlob(b => b ? resolve(b) : reject(new Error("Compression Failed")), BLOB_TYPE, BLOB_QUALITY);
                        });
                    } catch (e) {
                        console.warn("[ImageSearch] Compression failed, using original blob.", e);
                    }
                }
            }

            if (!finalBlob) throw new Error(L.err_capture || "Capture failed");

            const uploadAndGetUrl = async () => {
                if (typeof GM_xmlhttpRequest === 'undefined') throw new Error("Missing GM_xmlhttpRequest");

                const FAST_TIMEOUT = 4000;

                const uploadTask = (url, formData, parseType, stageText) => {
                    return new Promise((resolve, reject) => {
                        if (progressTask) progressTask.update(stageText);

                        GM_xmlhttpRequest({
                            method: "POST", url: url, data: formData,
                            timeout: FAST_TIMEOUT,
                            responseType: parseType === 'json' ? 'json' : 'text',
                            onload: (res) => {
                                if (res.status === 200) resolve(res);
                                else reject(new Error(`HTTP ${res.status}`));
                            },
                            onerror: () => reject(new Error("Network Error")),
                            ontimeout: () => reject(new Error("Timeout"))
                        });
                    });
                };

                const tryNode1 = async () => {
                    const fd = new FormData();
                    fd.append('files[]', finalBlob, `pk_1.jpg`);

                    const res = await uploadTask(
                        "https://uguu.se/upload.php",
                        fd, 'json',
                        L.str_upload_1
                    );

                    if (res.response && res.response.success && res.response.files?.[0]?.url) {
                        return res.response.files[0].url;
                    }
                    throw new Error("Uguu API Error");
                };

                const tryNode2 = async () => {
                    console.warn("Node 1 failed, switching to Litterbox...");
                    const fd = new FormData();
                    fd.append('reqtype', 'fileupload');
                    fd.append('time', '1h');
                    fd.append('fileToUpload', finalBlob, `pk_2.jpg`);

                    const res = await uploadTask(
                        "https://litterbox.catbox.moe/resources/internals/api.php",
                        fd, 'text',
                        L.str_upload_2
                    );
                    return res.responseText.trim();
                };

                const tryNode3 = async () => {
                    console.warn("Node 2 failed, switching to Catbox...");
                    const fd = new FormData();
                    fd.append('reqtype', 'fileupload');
                    fd.append('userhash', '');
                    fd.append('fileToUpload', finalBlob, `pk_3.jpg`);

                    const res = await uploadTask(
                        "https://catbox.moe/user/api.php",
                        fd, 'text',
                        L.str_upload_3
                    );
                    return res.responseText.trim();
                };

                try {
                    return await tryNode1();
                } catch (e1) {
                    try {
                        return await tryNode2();
                    } catch (e2) {
                        try {
                            return await tryNode3();
                        } catch (e3) {
                            console.error("All upload nodes failed:", e1, e2, e3);
                            throw new Error("All Upload Hosts Failed");
                        }
                    }
                }
            };

            try {
                const imgUrl = await uploadAndGetUrl();

                if (!imgUrl || !imgUrl.startsWith('http')) {
                    throw new Error("Invalid URL returned.");
                }

                const currentEngine = gmGet('pk_search_engine', 'google');
                const encUrl = encodeURIComponent(imgUrl);
                let jumpUrl = '';
                let engineName = '';

                switch (currentEngine) {
                    case 'yandex':
                        jumpUrl = `https://yandex.com/images/search?rpt=imageview&url=${encUrl}`;
                        engineName = 'Yandex';
                        break;
                    case 'saucenao':
                        jumpUrl = `https://saucenao.com/search.php?db=999&url=${encUrl}`;
                        engineName = 'SauceNAO';
                        break;
                    case 'tracemoe': {
                        const cleanUrl = imgUrl.replace(/^https?:\/\//, '');
                        const proxyUrl = `https://wsrv.nl/?url=${cleanUrl}&output=jpg`;
                        jumpUrl = `https://trace.moe/?url=${encodeURIComponent(proxyUrl)}`;
                        engineName = 'trace.moe';
                        break;
                    }
                    case 'google':
                    default:
                        jumpUrl = `https://lens.google.com/uploadbyurl?url=${encUrl}`;
                        engineName = 'Google Lens';
                        break;
                }

                if (progressTask) {
                    progressTask.update(L.str_redirecting.replace('Google Lens', engineName));
                    const el = document.querySelector('.pk-float-bar-item .pk-spin-lg');
                    if (el) el.style.borderColor = '#4CAF50';
                }

                await sleep(600);
                window.open(jumpUrl, '_blank');

            } catch (err) {
                console.warn("Auto upload failed, switching to manual fallback:", err);

                if (progressTask) progressTask.update(L.str_upload_fail_copy);

                let fallbackBlob = null;
                try {
                    const bmp = await createImageBitmap(finalBlob);
                    const tmpCvs = document.createElement('canvas');
                    tmpCvs.width = bmp.width;
                    tmpCvs.height = bmp.height;
                    tmpCvs.getContext('2d').drawImage(bmp, 0, 0);
                    bmp.close();
                    fallbackBlob = await new Promise(r => tmpCvs.toBlob(r, 'image/png'));
                } catch (e) {
                    console.warn("Bitmap conversion failed, falling back to origin canvas:", e);
                    fallbackBlob = await new Promise(r => cvs.toBlob(r, 'image/png'));
                }

                const MAX_CLIPBOARD_SIZE = 19.5 * 1024 * 1024;
                if (fallbackBlob.size > MAX_CLIPBOARD_SIZE) {
                    console.log(`PNG too large, resizing...`);
                    try {
                        const ratio = Math.sqrt(MAX_CLIPBOARD_SIZE / fallbackBlob.size);
                        const bmp = await createImageBitmap(fallbackBlob);
                        const newW = Math.floor(bmp.width * ratio);
                        const newH = Math.floor(bmp.height * ratio);
                        const tmpCvs = document.createElement('canvas');
                        tmpCvs.width = newW;
                        tmpCvs.height = newH;
                        tmpCvs.getContext('2d').drawImage(bmp, 0, 0, newW, newH);
                        bmp.close();
                        fallbackBlob = await new Promise(r => tmpCvs.toBlob(r, 'image/png'));
                    } catch (e) {
                        console.warn("Resize failed:", e);
                    }
                }

                try {
                    const item = new ClipboardItem({ 'image/png': fallbackBlob });
                    await navigator.clipboard.write([item]);
                } catch (clipErr) {
                    console.error("Clipboard write failed:", clipErr);
                    if (progressTask) progressTask.update(L.err_clipboard_failed);
                    await sleep(1000);
                }

                const ctrlVPhrase = (navigator.platform.toUpperCase().indexOf('MAC') >= 0) ? 'Cmd+V' : 'Ctrl+V';
                const hintText = L.msg_manual_paste.replace('{cmd}', `<b style="color:#fff">${ctrlVPhrase}</b>`);

                if (progressTask) progressTask.destroy();

                const fallbackOv = document.createElement('div');
                fallbackOv.className = 'pk-search-running-mask';
                fallbackOv.style.cssText = 'position:absolute; inset:0; z-index:2147483647; background:rgba(0,0,0,0.85); display:flex; align-items:center; justify-content:center; flex-direction:column; gap:20px; border-radius:inherit;';

                fallbackOv.innerHTML = `
                <div style="background:rgba(20,20,20,0.9); backdrop-filter:blur(10px); color:#FFC107; padding:20px 40px; border-radius:12px; text-align:center; box-shadow: 0 10px 30px rgba(0,0,0,0.5); border:1px solid rgba(255,255,255,0.1);">
                    <div style="font-size:24px; margin-bottom:8px;">⚠️</div>
                    <div style="font-size:15px; font-weight:bold;">${L.msg_copy_success}</div>
                    <div style="font-size:12px; color:#ddd; margin-top:8px;">${hintText}</div>
                </div>`;

                const fsEl = document.fullscreenElement || document.webkitFullscreenElement;
                if (fsEl) {
                    fsEl.appendChild(fallbackOv);
                } else if (containerElement) {
                    containerElement.appendChild(fallbackOv);
                } else {
                    document.body.appendChild(fallbackOv);
                }

                await sleep(2500);
                fallbackOv.remove();

                const currentEngine = gmGet('pk_search_engine', 'google');
                let manualUrl = '';
                switch (currentEngine) {
                    case 'yandex': manualUrl = 'https://yandex.com/images/'; break;
                    case 'saucenao': manualUrl = 'https://saucenao.com/'; break;
                    case 'tracemoe': manualUrl = 'https://trace.moe/'; break;
                    case 'google': default: manualUrl = 'https://lens.google.com/upload'; break;
                }

                window.open(manualUrl, '_blank');
            }
        } catch (e) {
            console.error("Search Error:", e);
            if (progressTask) progressTask.destroy();
            const errorMsg = e.message.includes('Tainted') ? L.err_cors_blocked : e.message;
            if (typeof showToast !== 'undefined') {
                showToast(`${errorMsg}`, 'error');
            }
        } finally {
            if (progressTask) progressTask.destroy();
            isImageSearchRunning = false;
        }
    }

    function dataURLtoBlob(dataurl) {
        let arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1],
            bstr = atob(arr[1]), n = bstr.length, u8arr = new Uint8Array(n);
        while(n--){
            u8arr[n] = bstr.charCodeAt(n);
        }
        return new Blob([u8arr], {type:mime});
    }

    const FILTER_EXTS = {
        video: ['mp4','mkv','avi','mov','wmv','flv','webm','ts','m4v','3gp','mpg','mpeg','rm','rmvb','asf','vob','dat','divx','f4v','m2ts','mts','tp','trp','ogv','mpe','m2v','m3u8'],
        audio: ['mp3','wav','flac','aac','ogg','wma','ape','m4a','amr','opus','m4b','alac','aiff','mid','midi','ra','dts','ac3','dsf','dff'],
        image: ['jpg','jpeg','png','gif','bmp','webp','svg','tif','tiff','ico','heic','heif','raw','cr2','nef','arw','dng','orf','avif','psd','ai','eps','jfif','jpe'],
        document: ['txt','html','pdf','pptx','chm','docx','xlsx','htm','doc','dwg','mdb','ppt','xls','rtf','odt','ods','odp','epub','mobi','azw3','djvu','cbz','cbr','md','log','csv','xml','json'],
        software: ['apk','exe','ipa','dmg','rpm','deb','msi','pkg','xapk','apks','aab','jar','bin','sh','bat','cmd'],
        archive: ['zip','rar','7z','tar','gz','iso','cab','bz2','xz','tgz','wim','esd','img','zst','lzh'],
        torrent: ['torrent']
    };

    const FILTER_NAMES = {
        video: L.cat_video,
        audio: L.cat_audio,
        image: L.cat_image,
        document: L.cat_document,
        software: L.cat_software,
        archive: L.cat_archive,
        torrent: L.cat_torrent,
        other: L.cat_other
    };

    const fIcons = {
        all: `<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polygon points="12 2 2 7 12 12 22 7 12 2"/><polyline points="2 17 12 22 22 17"/><polyline points="2 12 12 17 22 12"/></svg>`,
        video: `<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="2" y="2" width="20" height="20" rx="2.18" ry="2.18"/><line x1="7" y1="2" x2="7" y2="22"/><line x1="17" y1="2" x2="17" y2="22"/><line x1="2" y1="12" x2="22" y2="12"/><line x1="2" y1="7" x2="7" y2="7"/><line x1="2" y1="17" x2="7" y2="17"/><line x1="17" y1="17" x2="22" y2="17"/><line x1="17" y1="7" x2="22" y2="7"/></svg>`,
        audio: `<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 18v-6a9 9 0 0 1 18 0v6"/><path d="M21 19a2 2 0 0 1-2 2h-1a2 2 0 0 1-2-2v-3a2 2 0 0 1 2-2h3zM3 19a2 2 0 0 0 2 2h1a2 2 0 0 0 2-2v-3a2 2 0 0 0-2-2H3z"/></svg>`,
        image: `<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg>`,
        document: `<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/><polyline points="10 9 9 9 8 9"/></svg>`,
        software: `<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="7" height="7"/><rect x="14" y="3" width="7" height="7"/><rect x="14" y="14" width="7" height="7"/><rect x="3" y="14" width="7" height="7"/></svg>`,
        archive: `<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 8v13H3V8"/><path d="M1 3h22v5H1z"/><path d="M10 12h4v4h-4z"/></svg>`,
        torrent: `<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M13 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V9z"/><polyline points="13 2 13 9 20 9"/><path d="M9 14v4"/><path d="M12 12v6"/><path d="M15 15v3"/></svg>`,
        other: `<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><line x1="3" y1="9" x2="21" y2="9"/><line x1="3" y1="15" x2="21" y2="15"/><line x1="9" y1="3" x2="9" y2="21"/><line x1="15" y1="3" x2="15" y2="21"/></svg>`
    };

    const renderActiveFilterUI = () => {
        if (!UI.filterBar) return;
        const cat = S.filterState.cat;
        if (cat === 'all') return;

        UI.filterCatLabel.textContent = FILTER_NAMES[cat] || (L.cat_other);

        if (cat === 'other') {
             UI.filterExtsWrap.style.display = 'none';
        } else {
             UI.filterExtsWrap.style.display = 'flex';

             const exts = FILTER_EXTS[cat] ||[];
             const mainExts = exts.slice(0, 3);
             const moreExts = exts.slice(3);

             let html = `<span class="pk-f-ext ${S.filterState.ext === 'all' ? 'act' : ''}" data-ext="all">${L.cat_all}</span>`;

             let displayExts = [...mainExts];
             if (S.filterState.ext !== 'all' && moreExts.includes(S.filterState.ext)) {
                 displayExts[2] = S.filterState.ext;
             }

             displayExts.forEach(e => {
                 html += `<span class="pk-f-ext ${S.filterState.ext === e ? 'act' : ''}" data-ext="${e}">${e}</span>`;
             });

             UI.filterExtsMain.innerHTML = html;

             if (moreExts.length > 0) {
                 UI.filterExtsMoreBtn.style.display = 'flex';
             } else {
                 UI.filterExtsMoreBtn.style.display = 'none';
             }

             UI.filterExtsMain.querySelectorAll('.pk-f-ext').forEach(span => {
                 span.onclick = (e) => {
                      e.stopPropagation();
                      S.filterState.ext = span.dataset.ext;
                      renderActiveFilterUI();
                      S.sel.clear();
                      refresh();
                 };
             });
        }
    };

    const showFilterCatPopup = (triggerEl, e) => {
        e.stopPropagation();
        const existing = document.querySelector('#pk-filter-cat-pop');
        if (existing) { existing.remove(); return; }

        const pop = document.createElement('div');
        pop.id = 'pk-filter-cat-pop';
        pop.style.cssText = `
            position: absolute; background: var(--pk-bg); border: 1px solid var(--pk-bd);
            border-radius: 8px; padding: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            z-index: 2147483647; width: 420px; display: flex; flex-direction: column;
            zoom: var(--pk-zoom, 1);
        `;
        if (document.querySelector('.pk-ov')?.classList.contains('pk-dark')) pop.classList.add('pk-dark');

        pop.innerHTML = `
            <div style="font-size: 13px; color: #888; margin-bottom: 12px; padding-left: 5px;">${L.title_file_filter}</div>
            <div style="display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;">
                <div class="pk-fc-btn ${S.filterState.cat === 'all' ? 'act' : ''}" data-cat="all">${fIcons.all} <span>${L.cat_all}</span></div>
                <div class="pk-fc-btn ${S.filterState.cat === 'video' ? 'act' : ''}" data-cat="video">${fIcons.video} <span>${L.cat_video}</span></div>
                <div class="pk-fc-btn ${S.filterState.cat === 'audio' ? 'act' : ''}" data-cat="audio">${fIcons.audio} <span>${L.cat_audio}</span></div>
                <div class="pk-fc-btn ${S.filterState.cat === 'image' ? 'act' : ''}" data-cat="image">${fIcons.image} <span>${L.cat_image}</span></div>
                <div class="pk-fc-btn ${S.filterState.cat === 'document' ? 'act' : ''}" data-cat="document">${fIcons.document} <span>${L.cat_document}</span></div>
                <div class="pk-fc-btn ${S.filterState.cat === 'software' ? 'act' : ''}" data-cat="software">${fIcons.software} <span>${L.cat_software}</span></div>
                <div class="pk-fc-btn ${S.filterState.cat === 'archive' ? 'act' : ''}" data-cat="archive">${fIcons.archive} <span>${L.cat_archive}</span></div>
                <div class="pk-fc-btn ${S.filterState.cat === 'torrent' ? 'act' : ''}" data-cat="torrent">${fIcons.torrent} <span>${L.cat_torrent}</span></div>
                <div class="pk-fc-btn ${S.filterState.cat === 'other' ? 'act' : ''}" data-cat="other">${fIcons.other} <span>${L.cat_other}</span></div>
            </div>
        `;
        document.body.appendChild(pop);

        const updatePosition = () => {
            if (!pop.isConnected) return;
            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            const rect = getLogicalRect(triggerEl);
            let popLeft = rect.left;
            if (popLeft + 420 > window.innerWidth / scale) popLeft = (window.innerWidth / scale) - 430;
            pop.style.top = (rect.bottom + 5) + 'px';
            pop.style.left = popLeft + 'px';
        };
        updatePosition();
        window.addEventListener('resize', updatePosition);

        const cleanup = () => {
            window.removeEventListener('resize', updatePosition);
            document.removeEventListener('mousedown', closer);
            pop.remove();
        };

        pop.querySelectorAll('.pk-fc-btn').forEach(btn => {
            btn.onclick = (ev) => {
                ev.stopPropagation();
                const cat = btn.dataset.cat;
                S.filterState.cat = cat;
                S.filterState.ext = 'all';
                S.filterState.active = (cat !== 'all');
                cleanup();

                if (S.filterState.active) {
                    renderActiveFilterUI();
                }
                S.sel.clear();
                refresh();
            };
        });

        const closer = (ev) => {
            if (!pop.contains(ev.target) && !triggerEl.contains(ev.target)) {
                cleanup();
            }
        };
        setTimeout(() => document.addEventListener('mousedown', closer), 10);
    };

    if (UI.filterBtn) UI.filterBtn.onclick = (e) => showFilterCatPopup(UI.filterBtn, e);
    if (UI.filterCatLabel) UI.filterCatLabel.onclick = (e) => showFilterCatPopup(UI.filterCatLabel, e);

    if (UI.filterExtsMoreBtn) {
        UI.filterExtsMoreBtn.onclick = (e) => {
            e.stopPropagation();
            const existing = document.querySelector('#pk-filter-more-pop');
            if (existing) { existing.remove(); return; }

            const pop = document.createElement('div');
            pop.id = 'pk-filter-more-pop';
            pop.style.cssText = `
                position: absolute; background: var(--pk-bg); border: 1px solid var(--pk-bd);
                border-radius: 8px; padding: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.15);
                z-index: 2147483647; max-width: 340px; display: flex; flex-wrap: wrap; gap: 8px;
                zoom: var(--pk-zoom, 1);
            `;
            if (document.querySelector('.pk-ov')?.classList.contains('pk-dark')) pop.classList.add('pk-dark');
            const exts = FILTER_EXTS[S.filterState.cat] ||[];
            const mainExts = exts.slice(0, 3);
            const moreExts = exts.slice(3);

            let displayExts = [...mainExts];
            if (S.filterState.ext !== 'all' && moreExts.includes(S.filterState.ext)) {
                displayExts[2] = S.filterState.ext;
            }

            const dropdownExts = exts.filter(ex => !displayExts.includes(ex));

            pop.innerHTML = dropdownExts.map(ex => `<span class="pk-f-ext ${S.filterState.ext === ex ? 'act' : ''}" data-ext="${ex}" style="border:1px solid transparent; ${S.filterState.ext === ex ? 'background:rgba(0,103,192,0.1);' : 'background:var(--pk-hl);'}">${ex}</span>`).join('');

            document.body.appendChild(pop);

            const updatePosition = () => {
                if (!pop.isConnected) return;
                const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
                const rect = getLogicalRect(UI.filterExtsWrap);
                let popLeft = rect.left;
                if (popLeft + 340 > window.innerWidth / scale) popLeft = (window.innerWidth / scale) - 350;
                pop.style.top = (rect.bottom + 5) + 'px';
                pop.style.left = popLeft + 'px';
            };
            updatePosition();
            window.addEventListener('resize', updatePosition);

            const cleanup = () => {
                window.removeEventListener('resize', updatePosition);
                document.removeEventListener('mousedown', closer);
                pop.remove();
            };

            pop.querySelectorAll('.pk-f-ext').forEach(span => {
                 span.onclick = (ev) => {
                     ev.stopPropagation();
                     S.filterState.ext = span.dataset.ext;
                     cleanup();
                     renderActiveFilterUI();
                     S.sel.clear();
                     refresh();
                 };
            });

            const closer = (ev) => {
                if (!pop.contains(ev.target) && !UI.filterExtsMoreBtn.contains(ev.target)) {
                    cleanup();
                }
            };
            setTimeout(() => document.addEventListener('mousedown', closer), 10);
        };
    }

    if (UI.filterExitBtn) {
        UI.filterExitBtn.onclick = () => {
            S.filterState = { active: false, cat: 'all', ext: 'all' };
            UI.filterBtn.style.display = 'flex';
            UI.filterActiveUI.style.display = 'none';
            S.sel.clear();
            refresh();
        };
    }

    const getHistory = () => {
        try { return JSON.parse(gmGet('pk_search_history', '[]')); } catch { return []; }
    };
    const saveHistory = (txt) => {
        if (!txt) return;
        let list = getHistory();
        list = list.filter(x => x !== txt);
        list.unshift(txt);
        if (list.length > 3) list = list.slice(0, 3);
        gmSet('pk_search_history', JSON.stringify(list));
    };
    const renderHistory = () => {
        const list = getHistory();
        if (list.length === 0) {
            UI.searchHist.style.display = 'none';
            return;
        }

        let html = `<div class="pk-hist-hd"><span>${L.title_search_hist}</span><span class="pk-hist-clear-btn" id="pk-hist-del" style="cursor:pointer; opacity:0.8;">${L.btn_clear_hist}</span></div>`;

        list.forEach(txt => {
            html += `<div class="pk-select-item" style="display:flex; align-items:center; gap:10px; padding:8px 12px;">
                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" style="flex-shrink:0; opacity:0.5;">
                    <circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/>
                </svg>
                <span style="overflow:hidden; text-overflow:ellipsis; white-space:nowrap; flex:1;">${esc(txt)}</span>
            </div>`;
        });
        UI.searchHist.innerHTML = html;

        UI.searchHist.style.display = 'flex';

        UI.searchHist.querySelector('#pk-hist-del').onclick = (e) => {
            e.stopPropagation();
            gmSet('pk_search_history', '[]');
            UI.searchHist.style.display = 'none';
        };
        UI.searchHist.querySelectorAll('.pk-select-item').forEach(el => {
            el.onclick = (e) => {
                const val = el.querySelector('span').textContent;
                UI.searchInput.value = val;
                performSearch(val);
                UI.searchHist.style.display = 'none';
            };
        });
    };
    const performSearch = (val) => {
        const txt = val.trim();
        if (!txt) {
            if (S.search && UI.searchClear) UI.searchClear.click();
            return;
        }
        const isGlobal = UI.chkGlobal && UI.chkGlobal.checked && !S.uploadMode;

        if (txt) {
            saveHistory(txt);
            if (isGlobal && !S.preSearchPath) {
                S.preSearchPath = [...S.path];
            }

            if (isGlobal) {
                S.sort = 'modified_time'; S.dir = 1;

                S.path = [
                    { id: '', name: L.btn_nav_home },
                    { id: 'virtual_search_root', name: L.str_search_results }
                ];
                renderCrumb();
            }
        }

        S.search = txt;

        if (S.dupMode) {
            if (S.pinnedDupPath) {
                S.pinnedDupPath = null;
                S.clearSelection();
                UI.selDupFolder.value = "";

                const invertChk = document.getElementById('pk-dup-invert');
                if(invertChk) {
                    invertChk.checked = false;
                    invertChk.disabled = true;
                    invertChk.parentNode.style.opacity = '0.5';
                }
            }

            renderDupView();
            updateStat();
        }
        else if (isGlobal) {
            if (globalNeedsSync) {
                setLoad(true);
                updateLoadTxt(L.str_analyzing);

                setTimeout(async () => {
                    if (!S.scanning) {
                        S.scanning = true;
                        UI.stopBtn.onclick = () => {
                            S.scanning = false;
                            updateLoadTxt(L.str_stopping);
                            if (UI.chkGlobal) UI.chkGlobal.checked = false;
                        };
                        try {
                            await runFlattenScanOperation(true, [], true);
                            globalNeedsSync = false;
                        } catch (e) {
                            console.error("[GlobalSearch] Sync Error:", e);
                        } finally {
                            S.scanning = false;
                        }
                    }
                    load(false, true).finally(() => setLoad(false));
                }, 50);
            } else {
                load(false, false);
            }
        } else {
            refresh();
        }

        UI.searchClear.style.display = txt ? 'flex' : 'none';
        UI.searchHist.style.display = 'none';
        UI.searchInput.blur();
    };

    if (UI.searchInput) {

        UI.searchInput.oninput = (e) => {
            const val = e.target.value.trim();
            UI.searchClear.style.display = val ? 'flex' : 'none';
            if (!val && S.search && UI.searchClear) {
                UI.searchClear.click();
            }
        };

        const searchHist = UI.searchHist;
        const searchWrap = UI.searchInput.closest('.pk-search') || UI.searchInput.parentNode;
        let searchHistRaf = 0;
        let searchHistOpen = false;

        if (searchHist) {
            searchHist.style.display = 'none';
            searchHist.style.visibility = '';
            searchHist.style.pointerEvents = '';
        }

        const isSearchHistOpen = () => {
            return !!searchHist && searchHistOpen && getHistory()?.length > 0;
        };

        const requestPlaceSearchHist = () => {
            if (!isSearchHistOpen()) return;
            if (searchHistRaf) cancelAnimationFrame(searchHistRaf);
            searchHistRaf = requestAnimationFrame(() => {
                searchHistRaf = requestAnimationFrame(() => {
                    searchHistRaf = 0;
                    if (isSearchHistOpen()) placeSearchHist();
                });
            });
        };

        const placeSearchHist = () => {
            if (!searchHist || !searchWrap) return;
            if (!searchHist._pkOriginParent) searchHist._pkOriginParent = searchWrap;

            if (searchHist.parentNode !== document.body) {
                document.body.appendChild(searchHist);
            }

            searchHist.classList.toggle('pk-dark', el.classList.contains('pk-dark'));

            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            const wrapRect = typeof getLogicalRect === 'function' ? getLogicalRect(searchWrap) : searchWrap.getBoundingClientRect();
            const pad = 8;

            searchHist.dataset.pkPortal = '1';
            searchHist.style.position = 'fixed';
            searchHist.style.left = '0';
            searchHist.style.top = '0';
            searchHist.style.right = 'auto';
            searchHist.style.bottom = 'auto';
            searchHist.style.marginTop = '0';
            searchHist.style.zIndex = '10080';
            searchHist.style.zoom = scale;
            searchHist.style.transformOrigin = 'top left';
            searchHist.style.width = Math.max(Math.round(wrapRect.width), 220) + 'px';
            searchHist.style.display = 'flex';
            searchHist.style.visibility = 'hidden';
            searchHist.style.pointerEvents = 'none';

            const histRect = searchHist.getBoundingClientRect();
            const popW = histRect.width / scale;
            const popH = histRect.height / scale;
            const winW = window.innerWidth / scale;
            const winH = window.innerHeight / scale;

            let left = wrapRect.left;
            let top = wrapRect.bottom + 6;

            if (left + popW > winW - pad) left = winW - pad - popW;
            if (left < pad) left = pad;

            if (top + popH > winH - pad) {
                top = wrapRect.top - popH - 6;
            }
            if (top < pad) top = pad;

            searchHist.style.left = Math.round(left) + 'px';
            searchHist.style.top = Math.round(top) + 'px';
            searchHist.style.visibility = '';
            searchHist.style.pointerEvents = '';
        };

        const closeSearchHist = () => {
            if (!searchHist) return;
            searchHistOpen = false;
            if (searchHistRaf) cancelAnimationFrame(searchHistRaf);
            searchHistRaf = 0;
            searchHist.style.display = 'none';
            searchHist.style.visibility = '';
            searchHist.style.pointerEvents = '';
        };

        UI.searchInput.addEventListener('keydown', (e) => {
            if (e.key === 'Escape' && isSearchHistOpen()) {
                e.preventDefault();
                e.stopPropagation();
                closeSearchHist();
            }
        });

        UI.searchInput.onfocus = () => {
            renderHistory();
            if (getHistory()?.length > 0) {
                searchHistOpen = true;
                searchHist.style.display = 'flex';
                requestPlaceSearchHist();
            } else {
                closeSearchHist();
            }
        };

        document.addEventListener('mousedown', (e) => {
            if (!UI || !UI.searchInput || !searchHist) return;
            if (!searchHist.contains(e.target) && !searchWrap.contains(e.target)) {
                closeSearchHist();
            }
        }, true);

        if (!window.__pkSearchHistPortalBound) {
            window.addEventListener('resize', () => {
                if (isSearchHistOpen()) requestPlaceSearchHist();
            }, { passive: true });

            document.addEventListener('scroll', () => {
                if (isSearchHistOpen()) requestPlaceSearchHist();
            }, true);

            if (window.visualViewport) {
                window.visualViewport.addEventListener('resize', () => {
                    if (isSearchHistOpen()) requestPlaceSearchHist();
                }, { passive: true });
                window.visualViewport.addEventListener('scroll', () => {
                    if (isSearchHistOpen()) requestPlaceSearchHist();
                }, { passive: true });
            }

            window.__pkSearchHistPortalBound = true;
        }

        if (window.ResizeObserver && !searchWrap.__pkSearchHistRO) {
            searchWrap.__pkSearchHistRO = new ResizeObserver(() => {
                if (!searchHistOpen) return;
                if (isSearchHistOpen()) requestPlaceSearchHist();
            });
            searchWrap.__pkSearchHistRO.observe(searchWrap);
        }

        UI.searchInput.onkeydown = (e) => {
            e.stopPropagation();
            if (e.key === 'Enter') {
                performSearch(e.target.value);
            }
        };

        if (UI.searchBtn) {
            UI.searchBtn.onclick = () => {
                performSearch(UI.searchInput.value);
            };
        }

        if (UI.searchClear) {
            UI.searchClear.onclick = async () => {
                const wasGlobalChecked = UI.chkGlobal ? UI.chkGlobal.checked : false;

                if (!S.search && UI.searchInput.value) {
                    UI.searchInput.value = '';
                    UI.searchClear.style.display = 'none';
                    UI.searchInput.focus();
                    return;
                }

                const searchWasActive = !!S.search;
                const isInVirtualStack = S.path.some(node => node.id === 'virtual_search_root');
                let requiresReload = false;

                UI.searchInput.value = '';
                S.search = '';
                S.lastGlobalResults = [];

                try {
                    const prefStore = JSON.parse(gmGet('pk_folder_sort_prefs', '{}'));
                    if (prefStore['virtual_search_root']) {
                        delete prefStore['virtual_search_root'];
                        gmSet('pk_folder_sort_prefs', JSON.stringify(prefStore));
                    }
                } catch(e) {}

                if ((wasGlobalChecked || isInVirtualStack) && searchWasActive) {
                    const currentFolder = S.path[S.path.length - 1];

                    if (currentFolder.id !== 'virtual_search_root' && currentFolder.id !== '') {
                        const traceStack = [];
                        let ptrId = currentFolder.id;
                        let ptrName = currentFolder.name;
                        let safety = 100;

                        traceStack.unshift({ id: ptrId, name: ptrName });

                        while (ptrId && ptrId !== 'root' && safety > 0) {
                            if (globalParentIndex.has(ptrId)) {
                                const parent = globalParentIndex.get(ptrId);
                                ptrId = parent.id;
                                ptrName = parent.name;

                                if (ptrId === 'root' || ptrId === '') break;

                                traceStack.unshift({ id: ptrId, name: ptrName });
                            } else {
                                const node = S.itemMap.get(ptrId);
                                if (node && node._lineage && node._lineage.length > 0) {
                                    const ancestors = node._lineage.filter(x => x.id !== '' && x.id !== 'root');
                                    for (let k = ancestors.length - 1; k >= 0; k--) {
                                        traceStack.unshift(ancestors[k]);
                                    }
                                }
                                break;
                            }
                            safety--;
                        }

                        const realPath = [{ id: '', name: L.btn_nav_home }, ...traceStack];
                        S.path = realPath;
                    }
                    else if (isInVirtualStack || S.preSearchPath) {
                        S.path = S.preSearchPath ? [...S.preSearchPath] : [{ id: '', name: L.btn_nav_home }];
                    }

                    requiresReload = true;
                }

                S.preSearchPath = null;
                UI.searchClear.style.display = 'none';
                UI.searchHist.style.display = 'none';

                if (S.dupMode && !isInVirtualStack) {
                    if (S.pinnedDupPath) {
                        S.pinnedDupPath = null;
                        S.clearSelection();
                        UI.selDupFolder.value = "";

                        const invertChk = document.getElementById('pk-dup-invert');
                        if(invertChk) {
                            invertChk.checked = false;
                            invertChk.disabled = true;
                            invertChk.parentNode.style.opacity = '0.5';
                        }
                    }

                    renderDupView();
                    updateStat();
                } else if (S.isFlattened && !isInVirtualStack) {
                    refresh();
                    updateStat();
                } else {
                    if (requiresReload) {
                        const targetNode = S.path[S.path.length - 1];
                        const targetKey = S.getRealCacheKey(targetNode.id);
                        const cachedData = (typeof globalCache !== 'undefined') ? (globalCache.get(targetKey) || globalCache.get('')) : null;

                        if (cachedData) {
                            if (cachedData.items) S.items = [...cachedData.items];
                            else if (Array.isArray(cachedData)) S.items = [...cachedData];
                            S.itemMap.clear();
                            for (const it of S.items) S.itemMap.set(it.id, it);
                        }

                        refresh();
                        setLoad(true);

                        const p = load(false, true);

                        if (UI.chkGlobal) UI.chkGlobal.checked = wasGlobalChecked;

                        await p;
                    } else {
                        refresh();
                        updateStat();
                    }
                }
            };
        }
    }

    UI.btnHelp.onclick = () => {
        const m = showModal(`
            <h3 style="border:none; margin-bottom:16px; font-size:18px; font-weight:700; color:var(--pk-fg); flex-shrink:0;">${L.modal_help_title}</h3>
            <div style="position:relative; flex:1; min-height:0; display:flex; flex-direction:column;">
                ${L.help_desc}
                <div id="pk_help_fade" style="position:absolute; bottom:0; left:0; right:0; height:40px; background:linear-gradient(to bottom, transparent, var(--pk-bg)); pointer-events:none; transition:opacity 0.2s;"></div>
            </div>
            <div class="pk-modal-act" style="margin-top:20px; flex-shrink:0;">
                <button class="pk-btn pri" id="help_close" style="width:100%; height:44px; justify-content:center; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold; border:none;">${L.btn_close}</button>
            </div>
        `);

        const modalBox = m.querySelector('.pk-modal');
        if (modalBox) {
            Object.assign(modalBox.style, {
                display: 'flex', flexDirection: 'column',
                maxHeight: '85vh', overflow: 'hidden', padding: '30px'
            });
            const closeBtn = m.querySelector('.pk-modal-close');
            if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });
        }

        const scrollEl = m.querySelector('.pk-help-scroll');
        const fadeEl = m.querySelector('#pk_help_fade');

        if (scrollEl) {
            scrollEl.style.maxHeight = 'none';
            scrollEl.style.flex = '1';
            scrollEl.style.minHeight = '0';
        }

        if (scrollEl && fadeEl) {
            scrollEl.style.paddingBottom = "24px";

            const updateFade = () => {
                if (scrollEl.scrollHeight <= scrollEl.clientHeight + 5 || Math.ceil(scrollEl.scrollTop + scrollEl.clientHeight) >= scrollEl.scrollHeight - 30) {
                    fadeEl.style.opacity = '0';
                } else {
                    fadeEl.style.opacity = '1';
                }
            };

            scrollEl.addEventListener('scroll', updateFade, { passive: true });

            const resizeObserver = new ResizeObserver(() => updateFade());
            resizeObserver.observe(scrollEl);

            const _orgRemove = m.remove.bind(m);
            m.remove = () => {
                resizeObserver.disconnect();
                _orgRemove();
            };

            setTimeout(updateFade, 50);
        }

        m.querySelector('#help_close').onclick = () => m.remove();

        m.tabIndex = 0;
        setTimeout(() => m.focus(), 10);
        m.addEventListener('keydown', (e) => {
            if (e.key === 'Enter') {
                e.preventDefault(); e.stopPropagation();
                m.remove();
            }
        });
    };

    UI.chkGlobal.onchange = async (e) => {
        if (e.target.checked) {
            if (S.movingIds && S.movingIds.size > 0) {
                e.target.checked = false;
                showAlert(L.msg_global_index_blocked_moving);
                return;
            }

            const isSuppressed = gmGet('pk_suppress_global_warn', false);

            if (!isSuppressed && !hasShownGlobalWarnSession) {
                const userChoice = await new Promise((resolve) => {
                    const m = showModal(`
                        <h3 style="border:none; margin-bottom:16px; font-size:18px; font-weight:700; color:var(--pk-fg);">${L.title_confirm}</h3>
                        <div style="margin-bottom:25px; line-height:1.6; font-size:14px; color:var(--pk-fg); opacity:0.9;">
                            ${esc(L.msg_global_warn).replace(/\n/g, '<br>')}
                        </div>
                        <div style="margin-bottom:25px; display:flex; justify-content:flex-end;">
                            <label style="display:flex; align-items:center; cursor:pointer; font-size:13px; color:#888; user-select:none;">
                                <input type="checkbox" id="pk_warn_ignore" style="margin-right:8px; width:16px; height:16px; accent-color:var(--pk-pri);">
                                <span>${L.lbl_dont_show}</span>
                            </label>
                        </div>
                        <div class="pk-modal-act" style="display:flex; justify-content:flex-end; gap:12px;">
                            <button class="pk-btn" id="cfm_cancel" style="height:40px; min-width:86px; border-radius:8px; justify-content:center; background:transparent; font-weight:500;">${L.btn_cancel}</button>
                            <button class="pk-btn pri" id="cfm_ok" style="height:40px; min-width:86px; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold; justify-content:center; border:none;">${L.btn_ok}</button>
                        </div>
                    `);

                    const modalBox = m.querySelector('.pk-modal');
                    if (modalBox) {
                        Object.assign(modalBox.style, { width: '420px', padding: '30px', height: 'auto', minHeight: 'auto' });
                        const closeBtn = m.querySelector('.pk-modal-close');
                        if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });
                    }

                    m.querySelector('#cfm_cancel').onclick = () => { m.remove(); resolve({ ok: false }); };
                    m.querySelector('.pk-modal-close').onclick = () => { m.remove(); resolve({ ok: false }); };

                    m.tabIndex = 0;
                    setTimeout(() => m.focus(), 10);
                    m.addEventListener('keydown', (e) => {
                        if (e.key === 'Enter') {
                            e.preventDefault(); e.stopPropagation();
                            m.querySelector('#cfm_ok').click();
                        }
                    });

                    m.querySelector('#cfm_ok').onclick = () => {
                        const isChecked = m.querySelector('#pk_warn_ignore').checked;
                        m.remove();
                        resolve({ ok: true, suppress: isChecked });
                    };
                });

                if (!userChoice.ok) {
                    e.target.checked = false;
                    return;
                }

                hasShownGlobalWarnSession = true;
                if (userChoice.suppress) {
                    gmSet('pk_suppress_global_warn', true);
                }
            }

            if (!isGlobalIndexReady || globalNeedsSync) {
                S.scanning = true;

                UI.stopBtn.onclick = () => {
                    S.scanning = false;
                    updateLoadTxt(L.str_stopping);
                    UI.chkGlobal.checked = false;
                };

                await runFlattenScanOperation(true);
            }
            refresh();
            if (S._flattenEnterTopRaf) cancelAnimationFrame(S._flattenEnterTopRaf);
            if (S.isFlattened && isGridView()) {
                S._flattenEnterTopRaf = requestAnimationFrame(() => {
                    S._flattenEnterTopRaf = 0;
                    if (UI.vp && UI.vp.scrollTop !== 0) UI.vp.scrollTop = 0;
                });
            }

        } else {
            if (S.scanning) {
                S.scanning = false;
                updateLoadTxt(L.str_stopping);
            }
            refresh();
        }
    };

    const runFlattenScanOperation = async (isSyncOnly = false, specificTargets =[], isSilent = false) => {
        S.scanId = (S.scanId || 0) + 1;
        const myScanId = S.scanId;

        let fileMap = new Map();
        let processedFolders = 0;

        if (S.scanAbortController) S.scanAbortController.abort();
        S.scanAbortController = new AbortController();
        const signal = S.scanAbortController.signal;
        setLoad(true);

        const isPartialScan = specificTargets && specificTargets.length > 0;

        let rootNodes =[];
        if (isPartialScan) {
            updateLoadTxt(L.msg_init_scan_sel);
            specificTargets.forEach(item => {
                if (item.kind === 'drive#folder') {
                    rootNodes.push({
                        id: item.id,
                        name: item.name,
                        lineage:[{ id: item.id, name: item.name }],
                        retryCount: 0
                    });
                } else if (!isSyncOnly) {
                    item._lineage =[];
                    fileMap.set(item.id, item);
                }
            });
        } else {
            updateLoadTxt(`${L.str_scanning} 0`);
            const startNode = isSyncOnly ? { id: '', name: 'Root' } : S.path[S.path.length - 1];
            rootNodes =[{ id: startNode.id || '', name: startNode.name || 'Root', lineage: [], retryCount: 0 }];
        }

        UI.stopBtn.onclick = () => {
            S.scanning = false;
            if (S.scanAbortController) S.scanAbortController.abort();
            updateLoadTxt(L.str_stopping);

            if (S.isFlattened) {
                UI.scan.style.display = 'none';
                UI.btnExit.style.display = 'flex';
                if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'none';
                if (UI.btnExport) UI.btnExport.style.display = 'none';
            } else {
                UI.scan.style.display = 'flex';
                UI.btnExit.style.display = 'none';
                if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'flex';
                if (UI.btnExport) UI.btnExport.style.display = 'flex';

                if(UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'flex';
                if(UI.lblGlobal) UI.lblGlobal.style.display = 'flex';
                if(UI.chkGlobal) UI.chkGlobal.checked = false;

                S.isFlattened = false;

                setTimeout(() => {
                    if (typeof resumeBackgroundDiscovery === 'function') {
                        console.log("♻️ Scan interrupted: Forcing background crawler to resume.");
                        resumeBackgroundDiscovery();
                    }
                }, 1000);
            }
        };

        S.scanning = true;

        try {
            await coreRecursiveEngine(rootNodes, {
                signal: signal,
                onFile: (f, parent) => {
                    if (!isSyncOnly) {
                        f._lineage = parent.lineage ||[];
                        fileMap.set(f.id, f);
                    }
                },
                onFolder: (folder, filesInFolder) => {
                    processedFolders++;
                    indexParents(folder.id, folder.name, filesInFolder);

                    if (typeof globalLineageMap !== 'undefined') {
                        globalLineageMap.set(folder.id, folder.lineage);
                    }
                },
                onProgress: (st) => {
                    const folderText = isPartialScan
                        ? L.status_scanning_selection.replace('{n}', st.folders + " " + L.unit_folders)
                        : `${L.str_scanning} ${st.folders} ${L.unit_folders}`;

                    const retryTag = st.isRetrying ? `\n[ ${L.str_retries} ]` : "";
                    const statusInfo = ` | ${L.str_files}: ${st.files} | ${L.str_speed}: ${st.currentConcurrency} | ${L.str_cached} ${st.cacheHits} ${L.unit_folders}`;

                    updateLoadTxt(folderText + statusInfo + retryTag);
                }
            });

            if (S.scanning && !signal.aborted && myScanId === S.scanId) {
                const didBuildFullGlobalIndex = isSyncOnly && !isPartialScan;
                if (didBuildFullGlobalIndex) {
                    globalNeedsSync = false;
                    isGlobalIndexReady = true;
                }
                if (!isSyncOnly) {
                    updateLoadTxt(L.str_merging);

                    let tempItems = Array.from(fileMap.values());

                    if (S.scanFilter && !isSyncOnly) {
                        const { minBytes, maxBytes, keyword } = S.scanFilter;
                        const kwList = keyword ? keyword.toLowerCase().split(/[,，]/).map(k => k.trim()).filter(k => k) : [];

                        tempItems = tempItems.filter(item => {
                            if (kwList.length > 0) {
                                const fullLowerName = (item.name || "").toLowerCase();
                                const lastDot = fullLowerName.lastIndexOf('.');
                                const nameWithoutExt = (item.kind !== 'drive#folder' && lastDot > 0)
                                    ? fullLowerName.substring(0, lastDot)
                                    : fullLowerName;

                                if (kwList.some(k => nameWithoutExt.includes(k))) return false;
                            }
                            const sz = parseInt(item.size || 0);
                            if (sz < minBytes) return false;
                            if (maxBytes > 0 && sz > maxBytes) return false;
                            return true;
                        });
                    }

                    const total = tempItems.length;

                    if (!isSyncOnly && !isSilent && total === 0) {
                        setLoad(false);
                        S.scanning = false;
                        showToast(L.msg_no_files);

                        UI.scan.style.display = 'flex';
                        UI.btnExit.style.display = 'none';
                        if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'flex';
                        if (UI.btnExport) UI.btnExport.style.display = 'flex';
                        if (UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'flex';
                        if (UI.lblGlobal) UI.lblGlobal.style.display = 'flex';
                        if (UI.chkGlobal) UI.chkGlobal.checked = false;
                        return;
                    }

                    S.items = new Array(total);
                    S.itemMap.clear();

                    let lastYield = performance.now();
                    for (let i = 0; i < total; i++) {
                        const item = tempItems[i];
                        S.items[i] = item;
                        S.itemMap.set(item.id, item);

                        if (item.starred || (item.tags && item.tags.some(t => t.name === 'STAR'))) {
                            S.starredSet.add(item.id);
                        }

                        if (i % 5000 === 0 && performance.now() - lastYield > 16) {
                            updateLoadTxt(`${L.str_merging} ${Math.round((i / total) * 100)}%`);
                            await sleep(0);
                            lastYield = performance.now();
                        }
                    }

                    rememberFolderFirstBeforeStrictMode();

                    S.isFlattened = true;
                    S.sort = 'modified_time'; S.dir = 1;
                    UI.chkAll.checked = false;
                    S.clearSelection();

                    UI.scan.style.display = 'none';
                    UI.btnExit.style.display = 'flex';
                    if (UI.btnNewFolder) UI.btnNewFolder.style.display = 'none';
                    if (UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'none';
                    if (UI.lblGlobal) UI.lblGlobal.style.display = 'none';
                    if (UI.crumb) UI.crumb.style.setProperty('display', 'none', 'important');

                    updateLoadTxt(L.str_rendering);
                    await refresh();
                    if (S._flattenEnterTopRaf) cancelAnimationFrame(S._flattenEnterTopRaf);
                    if (S.isFlattened && isGridView()) {
                        S._flattenEnterTopRaf = requestAnimationFrame(() => {
                            S._flattenEnterTopRaf = 0;
                            if (UI.vp && UI.vp.scrollTop !== 0) UI.vp.scrollTop = 0;
                        });
                    }

                    const msg = L.msg_scan_done.replace('{n}', total).replace('{f}', processedFolders);
                    if (!isSilent) showToast(msg.replace(/\n+/g, ' '), 'success', 3200);
                }
            }

        } catch (e) {
            if (e.name !== 'AbortError' && myScanId === S.scanId) {
                showAlert(`${L.str_error_crit}: ${e.message}`);
            }
            if (!isSyncOnly && myScanId === S.scanId) {
                UI.scan.style.display = 'flex';
                UI.btnExit.style.display = 'none';
                if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'flex';
                if (UI.btnExport) UI.btnExport.style.display = 'flex';
                UI.lblGlobal.style.display = 'flex';
            }
            if (myScanId === S.scanId) UI.chkGlobal.checked = false;
        } finally {
            if (myScanId === S.scanId) {
                setLoad(false);
                S.scanning = false;
                S.scanAbortController = null;
                if (typeof DurationProber !== 'undefined') DurationProber.checkAndRun();
            }
        }
    };

    const openScanDupModal = async (initialTab) => {
        if (S.loading || S.scanning) return;

        const curFolderId = S.path[S.path.length - 1].id || '';
        if (isPathBusy(curFolderId)) {
            showAlert(L.msg_flatten_blocked_moving);
            return;
        }

        S.wasGlobalChecked = UI.chkGlobal ? UI.chkGlobal.checked : false;

        const selectedTargets = S.getSelectedIds()
        .map(id => S.itemMap.get(id))
        .filter(Boolean);

        const lastMin = gmGet('pk_scan_last_min', 0);
        const lastMax = gmGet('pk_scan_last_max', '');
        const lastUnit = gmGet('pk_scan_last_unit', 'MB');
        const lastKeyword = gmGet('pk_scan_last_keyword', '');
        let currentStrict = gmGet('pk_dup_strictness', 'strict');

        const scanTxt = L.btn_scan;
        const dupTxt = L.tip_dup;
        const L_min = L.lbl_ana_min;
        const L_max = L.lbl_ana_max;

        let scanTargetDesc = selectedTargets.length > 0 ? L.lbl_scan_selected.replace('{n}', selectedTargets.length) : L.lbl_scan_current;
        let dupTargetDesc = selectedTargets.length > 0 ? L.lbl_dup_selected.replace('{n}', selectedTargets.length) : L.lbl_dup_current;

        const m = showModal(`
            <div class="pk-share-modal-root" style="width:480px; max-width:90vw; display:flex; flex-direction:column; overflow:visible;">
                <div style="padding: 30px 30px 15px 30px; flex-shrink:0;">
                    <h3 style="margin: 0; font-size: 18px; font-weight: 700; border: none; line-height: 1.2; color: var(--pk-fg);">${L.title_file_analysis}</h3>
                </div>

                <div class="pk-s-tabs" style="margin: 0 30px 20px 30px; display:flex;">
                    <div class="pk-s-tab ${initialTab === 'scan' ? 'act' : ''}" data-val="scan">${scanTxt}</div>
                    <div class="pk-s-tab ${initialTab === 'dup' ? 'act' : ''}" data-val="dup">${dupTxt}</div>
                </div>

                <div id="pane_scan" style="display:${initialTab === 'scan' ? 'block' : 'none'}; padding: 0 30px;">
                    <div style="font-size:13px; color:#888; margin-bottom:20px; line-height:1.5;">${scanTargetDesc}</div>

                    <div style="margin-bottom:20px; position:relative;">
                        <input type="text" id="sc_keyword" value="${esc(lastKeyword)}" placeholder="${L.ph_keyword_filter}"
                               oninput="this.style.borderColor = this.value.trim() ? 'var(--pk-pri)' : 'var(--pk-bd)'"
                               style="width:100%; height:42px; padding:0 12px; border:2px solid ${lastKeyword ? 'var(--pk-pri)' : 'var(--pk-bd)'}; border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:14px; outline:none; transition:border-color 0.2s; box-sizing:border-box;">
                        <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; line-height:1; white-space:nowrap;">${L.lbl_keyword_filter}</div>
                    </div>

                    <div style="display:flex; align-items:center; gap:10px; margin-bottom:25px;">
                        <div style="flex:1; position:relative;">
                            <input type="number" id="sc_val_min" value="${lastMin === 0 ? '' : lastMin}" placeholder="0" min="0" step="1"
                                   style="width:100%; height:42px; padding:0 30px 0 12px; border:2px solid var(--pk-bd); border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:16px; font-weight:700; outline:none; transition:border-color 0.2s; box-sizing:border-box; font-family:monospace;">
                            <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; line-height:1; white-space:nowrap;">${L_min}</div>
                            <div class="pk-num-ctrl">
                                <div class="pk-num-btn" id="sc_inc_min">${CONF.crumbIcons.down.replace('points="6 9 12 15 18 9"', 'points="18 15 12 9 6 15"')}</div>
                                <div class="pk-num-btn" id="sc_dec_min">${CONF.crumbIcons.down}</div>
                            </div>
                        </div>
                        <div style="color:#888; font-weight:bold; flex-shrink:0;">-</div>
                        <div style="flex:1; position:relative;">
                            <input type="number" id="sc_val_max" value="${lastMax}" min="0" step="1" placeholder="∞"
                                   style="width:100%; height:42px; padding:0 30px 0 12px; border:2px solid var(--pk-bd); border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:16px; font-weight:700; outline:none; transition:border-color 0.2s; box-sizing:border-box; font-family:monospace;">
                            <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; line-height:1; white-space:nowrap;">${L_max}</div>
                            <div class="pk-num-ctrl">
                                <div class="pk-num-btn" id="sc_inc_max">${CONF.crumbIcons.down.replace('points="6 9 12 15 18 9"', 'points="18 15 12 9 6 15"')}</div>
                                <div class="pk-num-btn" id="sc_dec_max">${CONF.crumbIcons.down}</div>
                            </div>
                        </div>
                        <div class="pk-ana-select">
                            <div class="pk-ana-trigger" id="sc_unit_btn">
                                <span id="sc_unit_txt">${lastUnit}</span>
                                <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="m6 9 6 6 6-6"/></svg>
                            </div>
                            <div class="pk-ana-menu" id="sc_unit_menu">
                                <div class="pk-ana-item ${lastUnit === 'MB' ? 'act' : ''}" data-v="MB">MB</div>
                                <div class="pk-ana-item ${lastUnit === 'GB' ? 'act' : ''}" data-v="GB">GB</div>
                                <div class="pk-ana-item ${lastUnit === 'TB' ? 'act' : ''}" data-v="TB">TB</div>
                            </div>
                        </div>
                    </div>
                </div>

                <div id="pane_dup" class="pk-scroll" style="display:${initialTab === 'dup' ? 'flex' : 'none'}; flex-direction:column; gap:16px; padding: 0 30px 25px 30px;">
                    <div style="font-size:13px; color:#888; margin-bottom:4px; line-height:1.5;">${dupTargetDesc}</div>
                    <div style="position:relative;">
                        <label for="scan_video"
                               onmouseover="this.style.borderColor='var(--pk-pri)'"
                               onmouseout="this.style.borderColor='var(--pk-bd)'"
                               style="display:flex; align-items:center; height:54px; border:2px solid var(--pk-bd); border-radius:10px; padding:0 15px; cursor:pointer; background:var(--pk-bg); transition:border-color 0.2s; box-sizing:border-box;">
                            <input type="checkbox" id="scan_video" checked style="width:18px; height:18px; accent-color:var(--pk-pri); cursor:pointer; margin-right:12px;">
                            <span style="font-size:14px; color:var(--pk-fg); font-weight:600; user-select:none;">${L.label_dup_video}</span>
                        </label>
                    </div>

                    <div style="position:relative;">
                        <label for="scan_image"
                               onmouseover="this.style.borderColor='var(--pk-pri)'"
                               onmouseout="this.style.borderColor='var(--pk-bd)'"
                               style="display:flex; align-items:center; height:54px; border:2px solid var(--pk-bd); border-radius:10px; padding:0 15px; cursor:pointer; background:var(--pk-bg); transition:border-color 0.2s; box-sizing:border-box;">
                            <input type="checkbox" id="scan_image" checked style="width:18px; height:18px; accent-color:var(--pk-pri); cursor:pointer; margin-right:12px;">
                            <span style="font-size:14px; color:var(--pk-fg); font-weight:600; user-select:none;">${L.label_dup_image}</span>
                        </label>
                    </div>
                    <div style="position:relative;">
                        <label for="scan_other"
                               onmouseover="this.style.borderColor='var(--pk-pri)'"
                               onmouseout="this.style.borderColor='var(--pk-bd)'"
                               style="display:flex; align-items:center; height:54px; border:2px solid var(--pk-bd); border-radius:10px; padding:0 15px; cursor:pointer; background:var(--pk-bg); transition:border-color 0.2s; box-sizing:border-box;">
                            <input type="checkbox" id="scan_other" checked style="width:18px; height:18px; accent-color:var(--pk-pri); cursor:pointer; margin-right:12px;">
                            <span style="font-size:14px; color:var(--pk-fg); font-weight:600; user-select:none;">${L.label_dup_other}</span>
                        </label>
                    </div>
                    <div class="pk-custom-select" id="cs_sc_strict" style="margin-top:5px;">
                        <div class="pk-select-label">${L.label_dup_strictness}</div>
                        <div class="pk-select-trigger"><span id="txt_sc_strict">${currentStrict === 'loose' ? L.opt_loose : L.opt_strict}</span>${CONF.crumbIcons.down}</div>
                        <div class="pk-select-menu pk-scroll">
                            <div class="pk-select-item ${currentStrict === 'strict' ? 'act' : ''}" data-val="strict">${L.opt_strict}</div>
                            <div class="pk-select-item ${currentStrict === 'loose' ? 'act' : ''}" data-val="loose">${L.opt_loose}</div>
                        </div>
                    </div>
                </div>

                <div style="padding: 20px 30px 30px 30px; flex-shrink:0;">
                    <div class="pk-modal-act" style="display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 0;">
                        <button class="pk-btn" id="sc_cancel" style="height:46px; border-radius:12px; justify-content:center; background:transparent; font-weight:600; font-size:15px;">${L.btn_cancel}</button>
                        <button class="pk-btn pri" id="sc_start" style="height:46px; border-radius:12px; background:var(--pk-pri); color:#fff; font-weight:bold; justify-content:center; border:none; font-size:15px; transition: filter 0.2s;">${L.btn_ok}</button>
                    </div>
                </div>
            </div>
        `);

        const modalBox = m.querySelector('.pk-modal');
        if (modalBox) {
            Object.assign(modalBox.style, { width: 'auto', padding: '0', overflow: 'visible', height: 'auto', minHeight: 'auto' });
            const closeBtn = m.querySelector('.pk-modal-close');
            if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });
        }

        m.querySelectorAll('.pk-s-tab').forEach(tab => {
            tab.onclick = () => {
                m.querySelectorAll('.pk-s-tab').forEach(t => t.classList.remove('act'));
                tab.classList.add('act');
                const curMode = tab.dataset.val;
                m.querySelector('#pane_scan').style.display = curMode === 'scan' ? 'block' : 'none';
                m.querySelector('#pane_dup').style.display = curMode === 'dup' ? 'flex' : 'none';
            };
        });

        const inpMin = m.querySelector('#sc_val_min');
        const inpMax = m.querySelector('#sc_val_max');
        const unitBtn = m.querySelector('#sc_unit_btn');
        const unitMenu = m.querySelector('#sc_unit_menu');
        const unitTxt = m.querySelector('#sc_unit_txt');
        let currentUnit = lastUnit;

        m.querySelector('#sc_inc_min').onclick = (e) => { e.stopPropagation(); inpMin.value = (parseInt(inpMin.value) || 0) + 1; };
        m.querySelector('#sc_dec_min').onclick = (e) => { e.stopPropagation(); inpMin.value = Math.max(0, (parseInt(inpMin.value) || 1) - 1); };
        m.querySelector('#sc_inc_max').onclick = (e) => { e.stopPropagation(); inpMax.value = (parseInt(inpMax.value) || 0) + 1; };
        m.querySelector('#sc_dec_max').onclick = (e) => { e.stopPropagation(); inpMax.value = Math.max(0, (parseInt(inpMax.value) || 1) - 1); };

        unitBtn.onclick = (e) => { e.stopPropagation(); unitMenu.style.display = unitMenu.style.display === 'block' ? 'none' : 'block'; };
        m.querySelectorAll('.pk-ana-item').forEach(item => {
            item.onclick = () => {
                m.querySelectorAll('.pk-ana-item').forEach(i => i.classList.remove('act'));
                item.classList.add('act');
                currentUnit = item.dataset.v;
                unitTxt.textContent = currentUnit;
                unitMenu.style.display = 'none';
            };
        });
        const closeMenu = () => { if (unitMenu) unitMenu.style.display = 'none'; };
        setTimeout(() => document.addEventListener('click', closeMenu), 0);

        const _orgRemove = m.remove.bind(m);
        m.remove = () => {
            document.removeEventListener('click', closeMenu);
            _orgRemove();
        };

        if (S.dupConfig) {
            m.querySelector('#scan_video').checked = S.dupConfig.video;
            m.querySelector('#scan_image').checked = S.dupConfig.image;
            m.querySelector('#scan_other').checked = S.dupConfig.other;
        }

        const scStrictTrigger = m.querySelector('#cs_sc_strict .pk-select-trigger');
        const scStrictMenu = m.querySelector('#cs_sc_strict .pk-select-menu');
        const scStrictTxt = m.querySelector('#txt_sc_strict');

        scStrictTrigger.onclick = (e) => {
            e.stopPropagation();
            scStrictMenu.style.display = scStrictMenu.style.display === 'block' ? 'none' : 'block';
        };

        m.querySelectorAll('#cs_sc_strict .pk-select-item').forEach(item => {
            item.onclick = (e) => {
                e.stopPropagation();
                m.querySelectorAll('#cs_sc_strict .pk-select-item').forEach(i => i.classList.remove('act'));
                item.classList.add('act');
                currentStrict = item.dataset.val;
                scStrictTxt.textContent = item.textContent;
                scStrictMenu.style.display = 'none';
            };
        });

        const saveScanInputs = () => {
            gmSet('pk_scan_last_min', parseInt(inpMin.value) || 0);
            gmSet('pk_scan_last_max', inpMax.value.trim());
            gmSet('pk_scan_last_unit', currentUnit);
            gmSet('pk_scan_last_keyword', m.querySelector('#sc_keyword').value.trim());
            gmSet('pk_dup_strictness', currentStrict);
        };

        m.querySelector('#sc_cancel').onclick = () => { saveScanInputs(); m.remove(); };
        m.querySelector('.pk-modal-close').onclick = () => { saveScanInputs(); m.remove(); };

        m.tabIndex = 0;
        setTimeout(() => m.focus(), 10);
        m.addEventListener('keydown', (e) => {
            if (e.key === 'Enter') {
                e.preventDefault(); e.stopPropagation();
                m.querySelector('#sc_start').click();
            }
        });

        m.querySelector('#sc_start').onclick = async () => {
            const mode = m.querySelector('.pk-s-tab.act').dataset.val;

            saveScanInputs();

            if (mode === 'scan') {
                const vMin = parseInt(inpMin.value) || 0;
                const vMax = parseInt(inpMax.value) || 0;
                const kw = m.querySelector('#sc_keyword').value.trim();

                if (vMin < 0 || (vMax > 0 && vMin > vMax)) {
                    inpMin.style.borderColor = '#d93025';
                    if (vMax > 0 && vMin > vMax) inpMax.style.borderColor = '#d93025';
                    return;
                }
                gmSet('pk_scan_last_min', vMin);
                gmSet('pk_scan_last_max', vMax > 0 ? vMax : '');
                gmSet('pk_scan_last_unit', currentUnit);
                gmSet('pk_scan_last_keyword', kw);

                let mult = 1;
                if (currentUnit === 'MB') mult = 1024 * 1024;
                else if (currentUnit === 'GB') mult = 1024 * 1024 * 1024;
                else if (currentUnit === 'TB') mult = 1024 * 1024 * 1024 * 1024;
                S.scanFilter = {
                    minBytes: Math.floor(vMin * mult),
                    maxBytes: vMax > 0 ? Math.floor(vMax * mult) : 0,
                    keyword: kw
                };

                m.remove();

                S.search = '';
                if (UI.searchInput) UI.searchInput.value = '';
                if (UI.searchClear) UI.searchClear.style.display = 'none';
                if (UI.chkSearchPath) UI.chkSearchPath.checked = false;

                S.scanning = true;

                UI.scan.style.display = 'none';
                UI.btnExit.style.display = 'flex';

                if(UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'none';
                if (UI.lblGlobal) UI.lblGlobal.style.display = 'none';
                if (UI.chkGlobal) UI.chkGlobal.checked = false;

                UI.stopBtn.onclick = () => {
                    S.scanning = false;
                    if (S.scanAbortController) S.scanAbortController.abort();
                    updateLoadTxt(L.str_stopping);

                    if (S.isFlattened) {
                        UI.scan.style.display = 'none';
                        UI.btnExit.style.display = 'flex';
                        if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'none';
                        if (UI.btnExport) UI.btnExport.style.display = 'none';
                    } else {
                        UI.scan.style.display = 'flex';
                        UI.btnExit.style.display = 'none';
                        if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'flex';
                        if (UI.btnExport) UI.btnExport.style.display = 'flex';

                        if(UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'flex';
                        if (UI.lblGlobal) UI.lblGlobal.style.display = 'flex';
                        if (UI.chkGlobal) UI.chkGlobal.checked = false;

                        S.isFlattened = false;

                        setTimeout(() => {
                            if (typeof resumeBackgroundDiscovery === 'function') {
                                resumeBackgroundDiscovery();
                            }
                        }, 1000);
                    }
                };

                S.lastScanTargets = selectedTargets;
                await runFlattenScanOperation(false, selectedTargets, false);

            } else {
                S.dupConfig = {
                    video: m.querySelector('#scan_video').checked,
                    image: m.querySelector('#scan_image').checked,
                    other: m.querySelector('#scan_other').checked
                };

                if (!S.dupConfig.video && !S.dupConfig.image && !S.dupConfig.other) return;

                m.remove();

                S.scanning = true;
                S.scanId = (S.scanId || 0) + 1;
                const myScanId = S.scanId;

                let fileMap = new Map();
                let processedFolders = 0;

                if (S.scanAbortController) S.scanAbortController.abort();
                S.scanAbortController = new AbortController();
                const signal = S.scanAbortController.signal;
                setLoad(true);

                const isPartialScan = selectedTargets.length > 0;
                let rootNodes =[];
                if (isPartialScan) {
                    updateLoadTxt(L.msg_init_scan_sel);
                    selectedTargets.forEach(item => {
                        if (item.kind === 'drive#folder') {
                            rootNodes.push({
                                id: item.id,
                                name: item.name,
                                lineage:[{ id: item.id, name: item.name }],
                                retryCount: 0
                            });
                        } else {
                            item._lineage =[];
                            fileMap.set(item.id, item);
                        }
                    });
                } else {
                    updateLoadTxt(`${L.str_scanning} 0`);
                    const startNode = S.path[S.path.length - 1];
                    rootNodes =[{ id: startNode.id || '', name: startNode.name || 'Root', lineage: [], retryCount: 0 }];
                }

                UI.stopBtn.onclick = () => {
                    S.scanning = false;
                    if (S.scanAbortController) S.scanAbortController.abort();
                    updateLoadTxt(L.str_stopping);
                    setLoad(false);
                };

                try {
                    await coreRecursiveEngine(rootNodes, {
                        signal: signal,
                        onFile: (f, parent) => {
                            f._lineage = parent.lineage ||[];
                            fileMap.set(f.id, f);
                        },
                        onFolder: (folder, filesInFolder) => {
                            processedFolders++;
                            if (typeof globalCache !== 'undefined' && !globalCache.has(folder.id)) {
                                globalCache.set(folder.id, [...filesInFolder]);
                            }
                            indexParents(folder.id, folder.name, filesInFolder);
                            if (typeof globalLineageMap !== 'undefined') {
                                globalLineageMap.set(folder.id, folder.lineage);
                            }
                        },
                        onProgress: (st) => {
                            const folderText = isPartialScan
                                ? L.status_scanning_selection.replace('{n}', st.folders + " " + L.unit_folders)
                                : `${L.str_scanning} ${st.folders} ${L.unit_folders}`;
                            const retryTag = st.isRetrying ? `\n[ ${L.str_retries} ]` : "";
                            const statusInfo = ` | ${L.str_files}: ${st.files} | ${L.str_speed}: ${st.currentConcurrency} | ${L.str_cached} ${st.cacheHits} ${L.unit_folders}`;
                            updateLoadTxt(folderText + statusInfo + retryTag);
                        }
                    });

                    if (S.scanning && !signal.aborted && myScanId === S.scanId) {
                        updateLoadTxt(L.str_merging);

                        const tempItems = Array.from(fileMap.values());

                        const total = tempItems.length;

                        S.items = new Array(total);
                        S.itemMap.clear();

                        let lastYield = performance.now();
                        for (let i = 0; i < total; i++) {
                            const item = tempItems[i];
                            S.items[i] = item;
                            S.itemMap.set(item.id, item);

                            if (item.starred || (item.tags && item.tags.some(t => t.name === 'STAR'))) {
                                S.starredSet.add(item.id);
                            }

                            if (i % 5000 === 0 && performance.now() - lastYield > 16) {
                                updateLoadTxt(`${L.str_merging} ${Math.round((i / total) * 100)}%`);
                                await sleep(0);
                                lastYield = performance.now();
                            }
                        }

                        rememberFolderFirstBeforeStrictMode();

                        S.dupMode = true;
                        S.groupSortOp = 'path';
                        S.groupSortDir = 1;
                        S.isFlattened = false;
                        S.sort = 'modified_time'; S.dir = 1;
                        UI.chkAll.checked = false;
                        S.clearSelection();

                        S.search = '';
                        S.lastGlobalResults = [];
                        if (UI.searchInput) UI.searchInput.value = '';
                        if (UI.searchClear) UI.searchClear.style.display = 'none';
                        if (UI.searchHist) UI.searchHist.style.display = 'none';

                        UI.scan.style.display = 'none';
                        UI.btnExit.style.display = 'flex';
                        if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'none';
                        UI.lblGlobal.style.display = 'none';
                        UI.chkGlobal.checked = false;
                        if (UI.btnNewFolder) UI.btnNewFolder.style.display = 'none';
                        if (UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'none';
                        if (UI.crumb) UI.crumb.style.setProperty('display', 'none', 'important');
                        if (UI.lblSearchPath) UI.lblSearchPath.style.display = 'flex';

                        updateLoadTxt(L.str_rendering);
                        S.display = [...S.items];
                        await refresh();
                        if (S._enterTopRaf) cancelAnimationFrame(S._enterTopRaf);
                        S._enterTopRaf = requestAnimationFrame(() => {
                            S._enterTopRaf = 0;
                            if (UI.vp && UI.vp.scrollTop !== 0) UI.vp.scrollTop = 0;
                        });
                    }

                } catch (e) {
                    if (e.name !== 'AbortError' && myScanId === S.scanId) {
                        showAlert(`${L.str_error_crit}: ${e.message}`);
                    }
                    if (myScanId === S.scanId) {
                        UI.scan.style.display = 'flex';
                        UI.btnExit.style.display = 'none';
                        if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'flex';
                        if (UI.btnExport) UI.btnExport.style.display = 'flex';
                        UI.lblGlobal.style.display = 'flex';
                    }
                } finally {
                    if (myScanId === S.scanId) {
                        setLoad(false);
                        S.scanning = false;
                        S.scanAbortController = null;
                        if (typeof DurationProber !== 'undefined') DurationProber.checkAndRun();
                    }
                }
            }
        };
    };

    UI.scan.onclick = () => openScanDupModal('scan');

    const onOfflineFilterChange = () => {
        if (S.offlineMode) {
            S.offlineFilters = {
                running: UI.chkOffRun.checked,
                failed: UI.chkOffFail.checked,
                complete: UI.chkOffOk.checked
            };
            refresh();
            updateStat();
        }
    };
    if (UI.chkOffRun) UI.chkOffRun.onchange = onOfflineFilterChange;
    if (UI.chkOffFail) UI.chkOffFail.onchange = onOfflineFilterChange;
    if (UI.chkOffOk) UI.chkOffOk.onchange = onOfflineFilterChange;

    const onUploadFilterChange = () => {
        if (S.uploadMode) {
            S.uploadFilters = {
                running: UI.chkUpRun.checked,
                paused: UI.chkUpPause.checked,
                complete: UI.chkUpDone.checked
            };
            refresh();
            updateStat();
        }
    };
    if (UI.chkUpRun) UI.chkUpRun.onchange = onUploadFilterChange;
    if (UI.chkUpPause) UI.chkUpPause.onchange = onUploadFilterChange;
    if (UI.chkUpDone) UI.chkUpDone.onchange = onUploadFilterChange;

    const onDupFilterChange = () => {
        if(S.dupMode) {
            if (S.pinnedDupPath) {
                S.pinnedDupPath = null;
                S.clearSelection();
                UI.selDupFolder.value = "";

                const invertChk = document.getElementById('pk-dup-invert');
                if(invertChk) {
                    invertChk.checked = false;
                    invertChk.disabled = true;
                    invertChk.parentNode.style.opacity = '0.5';
                }
            }
            renderDupView();
        }
    };
    UI.chkName.onchange = onDupFilterChange;
    UI.chkSim.onchange = onDupFilterChange;
    UI.chkHash.onchange = onDupFilterChange;
    if (UI.chkSearchPath) {
        UI.chkSearchPath.onchange = () => {
            if (S.dupMode && S.search) {
                renderDupView();
            } else if ((S.isFlattened || S.analyzeMode) && S.search) {
                refresh();
            }
        };
    }

    UI.btnExit.onclick = async () => {
        await S.exitVirtualNavMode();

        if (typeof S.wasGlobalChecked !== 'undefined' && UI.chkGlobal) {
            UI.chkGlobal.checked = S.wasGlobalChecked;
        }

        setTimeout(() => {
            if (typeof resumeBackgroundDiscovery === 'function') {
                console.log("♻️ Sandbox exited: Forcing global discovery to resume.");
                resumeBackgroundDiscovery();
            }
        }, 1500);
    };

    UI.cols.forEach(c => c.onclick = () => {
        if (S.dupMode) return;

        const k = c.dataset.k;

        if (S.sort === k) {
            S.dir *= -1;
        }
        else {
            S.sort = k;
            S.dir = 1;
        }

        refresh();
    });

    if (UI.btnFolderFirst) {
        S.renderFolderFirst = () => {
            UI.btnFolderFirst.style.color = S.folderFirst ? 'var(--pk-pri)' : '#666';
        };

        UI.btnFolderFirst.onmouseenter = () => {
            if (!S.folderFirst) UI.btnFolderFirst.style.color = 'var(--pk-fg)';
        };
        UI.btnFolderFirst.onmouseleave = () => {
            if (!S.folderFirst) UI.btnFolderFirst.style.color = '#666';
        };

        const nameWrap = el.querySelector('#pk-name-text-wrap');
        if (nameWrap) {
            nameWrap.onmouseenter = () => {
                if (S.sort !== 'name') nameWrap.style.color = 'var(--pk-fg)';
            };
            nameWrap.onmouseleave = () => {
                if (S.sort !== 'name') nameWrap.style.color = '#666';
            };
        }

        S.renderFolderFirst();

        UI.btnFolderFirst.onclick = (e) => {
            e.stopPropagation();
            S.folderFirst = !S.folderFirst;

            gmSet('pk_folder_first', S.folderFirst);

            try {
                const globalPref = JSON.parse(gmGet('pk_global_sort_pref', '{"sort":"modified_time","dir":1}'));
                globalPref.sort = S.sort;
                globalPref.dir = S.dir;
                globalPref.folderFirst = S.folderFirst;
                gmSet('pk_global_sort_pref', JSON.stringify(globalPref));
            } catch(e) {
                gmSet('pk_global_sort_pref', JSON.stringify({ sort: S.sort, dir: S.dir, folderFirst: S.folderFirst }));
            }

            if (S.renderFolderFirst) S.renderFolderFirst();
            refresh();
        };
    }

    const btnInvert = document.getElementById('pk-btn-invert');
    if (btnInvert) {
        btnInvert.onclick = (e) => {
            e.stopPropagation();
            if (S.loading || S.display.length === 0) return;

            S.invertSelection();
            renderVisible();
            updateStat();
        };
        btnInvert.onmouseenter = () => btnInvert.style.color = 'var(--pk-pri)';
        btnInvert.onmouseleave = () => btnInvert.style.color = 'var(--pk-fg)';
    }

    S.handleSelectAll = (e) => {
        if (!e || !e.target) {
            if (UI.chkAll) UI.chkAll.checked = !UI.chkAll.checked;
        }

        S.activeId = null;
        S.lastSelIdx = -1;

        const totalVisible = S.getSelectableCount();
        const selectedCount = S.getSelectedCount();
        const isSelectAllAction = selectedCount < totalVisible;

        if (UI.chkAll) {
            UI.chkAll.checked = isSelectAllAction;
            UI.chkAll.indeterminate = false;
        }

        if (isSelectAllAction) {
            S.setAllSelection(true);
        } else {
            S.setAllSelection(false);
        }

        requestAnimationFrame(() => {
            renderVisible();
            updateStat();

            if (UI.chkAll) {
                UI.chkAll.checked = isSelectAllAction;
                UI.chkAll.indeterminate = false;
            }
        });
    };

    if (UI.btnAnaSelect || UI.btnAnaSort || UI.btnDupSmart || UI.btnDupSort) {
        const pop = document.createElement('div');
        pop.className = 'pk-ana-pop';
        pop.innerHTML = `
            <div class="pk-ana-pop-row"><div class="pk-ana-opt" data-op="new">${L.opt_keep_new}</div><div class="pk-ana-opt" data-op="old">${L.opt_keep_old}</div></div>
            <div class="pk-ana-pop-row"><div class="pk-ana-opt" data-op="large">${L.opt_keep_large}</div><div class="pk-ana-opt" data-op="small">${L.opt_keep_small}</div></div>
            <div class="pk-ana-pop-row"><div class="pk-ana-opt" data-op="short">${L.opt_keep_short}</div><div class="pk-ana-opt" data-op="long">${L.opt_keep_long}</div></div>`;

        const sortPop = document.createElement('div');
        sortPop.className = 'pk-ana-pop';
        sortPop.innerHTML = `
            <div class="pk-ana-pop-row"><div class="pk-ana-opt pk-sort-opt" data-op="time">${L.opt_sort_time}</div><div class="pk-ana-opt pk-sort-opt" data-op="size">${L.opt_sort_size}</div></div>
            <div class="pk-ana-pop-row"><div class="pk-ana-opt pk-sort-opt" data-op="path">${L.opt_sort_path}</div><div class="pk-ana-opt pk-sort-opt" data-op="name">${L.opt_sort_name}</div></div>`;

        UI.win.appendChild(pop);
        UI.win.appendChild(sortPop);
        let activeTargetBtn = null;
        let activePop = null;

        const updatePopPos = () => {
            if (!activePop || activePop.style.display !== 'flex' || !activeTargetBtn) return;
            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            const winRect = getLogicalRect(UI.win);
            const btnRect = getLogicalRect(activeTargetBtn);

            let left = btnRect.left - winRect.left;
            const top = btnRect.bottom - winRect.top;
            const winWidth = winRect.width;
            const popWidth = activePop === sortPop ? 200 : 340;

            if (left + popWidth > winWidth - 10) {
                left = btnRect.right - winRect.left - popWidth;
            }

            activePop.style.left = Math.max(10, left) + 'px';
            activePop.style.top = (top + 5) + 'px';
        };

        const togglePop = (e, btn, targetPop) => {
            e.stopPropagation();
            const isVisible = (targetPop.style.display === 'flex' && activeTargetBtn === btn);

            if (activePop && activePop !== targetPop) activePop.style.display = 'none';

            if (isVisible) {
                targetPop.style.display = 'none';
                activeTargetBtn = null;
                activePop = null;
            } else {
                if (targetPop === pop && S.analyzeMode && !S.hasShownAnaWarn) {
                    showToast(L.msg_ana_warn, 'warning', 6000);
                    S.hasShownAnaWarn = true;
                }
                if (targetPop === sortPop) {
                    if (!S.groupSortOp) { S.groupSortOp = 'path'; S.groupSortDir = 1; }
                    sortPop.querySelectorAll('.pk-sort-opt').forEach(el => {
                        let baseTxt = "";
                        if (el.dataset.op === 'time') baseTxt = L.opt_sort_time;
                        if (el.dataset.op === 'size') baseTxt = L.opt_sort_size;
                        if (el.dataset.op === 'path') baseTxt = L.opt_sort_path;
                        if (el.dataset.op === 'name') baseTxt = L.opt_sort_name;

                        if (el.dataset.op === S.groupSortOp) {
                            el.textContent = baseTxt + (S.groupSortDir === 1 ? ' ▼' : ' ▲');
                            el.style.color = 'var(--pk-pri)';
                        } else {
                            el.textContent = baseTxt;
                            el.style.color = '';
                        }
                    });
                }
                targetPop.style.display = 'flex';
                activeTargetBtn = btn;
                activePop = targetPop;
                updatePopPos();
            }
        };

        if (UI.btnAnaSelect) UI.btnAnaSelect.onclick = (e) => togglePop(e, UI.btnAnaSelect, pop);
        if (UI.btnAnaSort) UI.btnAnaSort.onclick = (e) => togglePop(e, UI.btnAnaSort, sortPop);
        if (UI.btnDupSmart) UI.btnDupSmart.onclick = (e) => togglePop(e, UI.btnDupSmart, pop);
        if (UI.btnDupSort) UI.btnDupSort.onclick = (e) => togglePop(e, UI.btnDupSort, sortPop);

        window.addEventListener('resize', updatePopPos);

        pop.querySelectorAll('.pk-ana-opt').forEach(opt => {
            opt.onclick = () => {
                const op = opt.dataset.op;
                const nextSel = [];

                const isBetter = (type, curW, curM) => {
                    if (type === 'new') return new Date(curM.modified_time) > new Date(curW.modified_time);
                    if (type === 'old') return new Date(curM.modified_time) < new Date(curW.modified_time);
                    if (type === 'large') return BigInt(curM.size || 0) > BigInt(curW.size || 0);
                    if (type === 'small') return BigInt(curM.size || 0) < BigInt(curW.size || 0);
                    if (type === 'short') return curM.name.length < curW.name.length;
                    if (type === 'long') return curM.name.length > curW.name.length;
                    return false;
                };

                if (S.analyzeMode && S.analyzeSimGroups) {
                    S.analyzeSimGroups.forEach(g => {
                        const members = g.ids.map(id => S.itemMap.get(id)).filter(Boolean);
                        if (members.length < 2) return;
                        let winner = members[0];
                        members.forEach(m => { if (isBetter(op, winner, m)) winner = m; });
                        members.forEach(m => { if (m.id !== winner.id) nextSel.push(m.id); });
                    });
                } else if (S.dupMode && S.dupGroups) {
                    const itemMap = new Map();
                    S.display.forEach(d => {
                        if (d.isHeader) return;
                        const gIdx = S.dupGroups.get(d.id);
                        if (gIdx !== undefined) {
                            if (!itemMap.has(gIdx)) itemMap.set(gIdx, []);
                            itemMap.get(gIdx).push(d);
                        }
                    });
                    itemMap.forEach(members => {
                        if (members.length < 2) return;
                        let winner = members[0];
                        members.forEach(m => { if (isBetter(op, winner, m)) winner = m; });
                        members.forEach(m => { if (m.id !== winner.id) nextSel.push(m.id); });
                    });
                }

                S.setExplicitSelection(nextSel);
                pop.style.display = 'none';
                activeTargetBtn = null;
                activePop = null;
                renderVisible();
                updateStat();
            };
        });

        sortPop.querySelectorAll('.pk-sort-opt').forEach(opt => {
            opt.onclick = (e) => {
                e.stopPropagation();
                const op = opt.dataset.op;

                if (S.groupSortOp === op) {
                    S.groupSortDir *= -1;
                } else {
                    S.groupSortOp = op;
                    S.groupSortDir = 1;
                }

                sortPop.querySelectorAll('.pk-sort-opt').forEach(el => {
                    let baseTxt = "";
                    if (el.dataset.op === 'time') baseTxt = L.opt_sort_time;
                    if (el.dataset.op === 'size') baseTxt = L.opt_sort_size;
                    if (el.dataset.op === 'path') baseTxt = L.opt_sort_path;
                    if (el.dataset.op === 'name') baseTxt = L.opt_sort_name;

                    if (el.dataset.op === S.groupSortOp) {
                        el.textContent = baseTxt + (S.groupSortDir === 1 ? ' ▼' : ' ▲');
                        el.style.color = 'var(--pk-pri)';
                    } else {
                        el.textContent = baseTxt;
                        el.style.color = '';
                    }
                });

                const cmp = (a, b) => {
                    let res = 0;
                    if (S.groupSortOp === 'time') {
                        res = new Date(b.modified_time) - new Date(a.modified_time);
                    } else if (S.groupSortOp === 'size') {
                        const sa = BigInt(a.size || 0), sb = BigInt(b.size || 0);
                        res = sa < sb ? 1 : (sa > sb ? -1 : 0);
                    } else if (S.groupSortOp === 'path') {
                        const pa = a._dupFullPath || a._pathStr || a.path || "";
                        const pb = b._dupFullPath || b._pathStr || b.path || "";
                        res = pa.localeCompare(pb);
                    } else if (S.groupSortOp === 'name') {
                        res = a.name.localeCompare(b.name);
                    }
                    return res * S.groupSortDir;
                };

                const newDisplay = [];
                let currentGroupHeader = null;
                let currentGroupMembers = [];

                const flushGroup = () => {
                    if (currentGroupHeader) newDisplay.push(currentGroupHeader);
                    if (currentGroupMembers.length > 0) {
                        const getDupPath = it => it._dupFullPath || it._pathStr || it.path || "";
                        let orderedMembers = currentGroupMembers;

                        if (S.pinnedDupPath) {
                            const pinnedMembers = [];
                            const otherMembers = [];

                            currentGroupMembers.forEach(it => {
                                if (getDupPath(it) === S.pinnedDupPath) pinnedMembers.push(it);
                                else otherMembers.push(it);
                            });

                            if (pinnedMembers.length > 0) {
                                pinnedMembers.sort(cmp);
                                otherMembers.sort(cmp);
                                orderedMembers = pinnedMembers.concat(otherMembers);
                            } else {
                                orderedMembers = currentGroupMembers.slice().sort(cmp);
                            }
                        } else {
                            orderedMembers = currentGroupMembers.slice().sort(cmp);
                        }

                        let lastPath = null;
                        orderedMembers.forEach((it, idx) => {
                            const curPath = getDupPath(it);
                            if (idx > 0 && curPath === lastPath && curPath !== "") {
                                it._isSameFolder = true;
                            } else {
                                it._isSameFolder = false;
                            }
                            lastPath = curPath;
                        });

                        newDisplay.push(...orderedMembers);
                    }
                    currentGroupHeader = null;
                    currentGroupMembers = [];
                };

                S.display.forEach(d => {
                    if (d.isHeader) {
                        flushGroup();
                        currentGroupHeader = d;
                    } else {
                        currentGroupMembers.push(d);
                    }
                });
                flushGroup();

                S.display = newDisplay;
                renderVisible();
            };
        });

        document.addEventListener('mousedown', (e) => {
            const isClickInsideBtn = (UI.btnAnaSelect && UI.btnAnaSelect.contains(e.target)) ||
                  (UI.btnAnaSort && UI.btnAnaSort.contains(e.target)) ||
                  (UI.btnDupSmart && UI.btnDupSmart.contains(e.target)) ||
                  (UI.btnDupSort && UI.btnDupSort.contains(e.target));

            if (!pop.contains(e.target) && !sortPop.contains(e.target) && !isClickInsideBtn) {
                pop.style.display = 'none';
                sortPop.style.display = 'none';
                activeTargetBtn = null;
                activePop = null;
            }
        });
    }

    UI.btnRefresh.onclick = async () => {
        updateQuotaUI();
        if (S.isFlattened) {
            if (!S.scanning) {
                S.scanning = true;
                UI.scan.style.display = 'none';
                UI.btnExit.style.display = 'flex';

                UI.stopBtn.onclick = () => {
                    S.scanning = false;
                    updateLoadTxt(L.str_stopping);
                    UI.scan.style.display = 'none';
                    UI.btnExit.style.display = 'flex';
                    if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'none';
                    if (UI.btnExport) UI.btnExport.style.display = 'none';
                    if(UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'none';
                    if (UI.lblGlobal) UI.lblGlobal.style.display = 'none';
                };

                runFlattenScanOperation(false, S.lastScanTargets, true).catch(e => {
                    console.error(e);
                    S.scanning = false;
                });
            }
            return;
        }

        const cur = S.path[S.path.length - 1];
        const intent = UI.chkGlobal ? UI.chkGlobal.checked : false;

        if (cur.id === 'analyze_root') {
            setLoad(true);
            updateLoadTxt(L.str_refreshing);
            await sleep(200);
            await load();
            return;
        }

        if (cur.id) S.cache.delete(cur.id);

        const p = load(false, true);

        if (UI.chkGlobal) UI.chkGlobal.checked = intent;
        await p;
    };

    if (UI.btnAnalyze) {
        UI.btnAnalyze.onclick = async () => {
            if (S.trashMode) return;

            const curFolderId = S.path[S.path.length - 1].id || '';
            if (isPathBusy(curFolderId)) {
                showAlert(L.msg_op_blocked_analyzing);
                return;
            }

            S.search = '';
            if (UI.searchInput) UI.searchInput.value = '';
            if (UI.searchClear) UI.searchClear.style.display = 'none';

            S.wasGlobalChecked = UI.chkGlobal ? UI.chkGlobal.checked : false;

            const lastMin = gmGet('pk_analyze_last_min', 0);
            const lastMax = gmGet('pk_analyze_last_max', '');
            const lastUnit = gmGet('pk_analyze_last_unit', 'GB');
            const lastKeyword = gmGet('pk_analyze_last_keyword', '');
            const lastSim = gmGet('pk_analyze_last_sim', 1.0);
            const lastAlgo = gmGet('pk_analyze_last_algo', 'sim');

            const result = await new Promise((resolve) => {
                const L_min = L.lbl_ana_min;
                const L_max = L.lbl_ana_max;
                const selectedCount = S.getSelectedCount();
                const analyzeTargetDesc = selectedCount > 0 ? L.lbl_analyze_selected.replace('{n}', selectedCount) : L.lbl_analyze_current;
                const anaSimTargetDesc = selectedCount > 0 ? L.lbl_ana_sim_selected.replace('{n}', selectedCount) : L.lbl_ana_sim_current;
                const m = showModal(`
                    <h3 style="border:none; margin-bottom:15px; font-size:18px; font-weight:700;">${L.btn_analyze}</h3>

                    <div class="pk-s-tabs" id="ana_tabs" style="margin-bottom:20px; display:flex;">
                        <div class="pk-s-tab act" data-val="large">${L.opt_ana_large}</div>
                        <div class="pk-s-tab" data-val="similar">${L.opt_ana_sim}</div>
                    </div>

                    <div id="ana_pane_large">
                        <div style="font-size:13px; color:#888; margin-bottom:20px; line-height:1.5;">${analyzeTargetDesc}</div>

                        <div style="margin-bottom:20px; position:relative;">
                            <input type="text" id="an_keyword" value="${esc(lastKeyword)}" placeholder="${L.ph_keyword_filter}"
                                   oninput="this.style.borderColor = this.value.trim() ? 'var(--pk-pri)' : 'var(--pk-bd)'"
                                   style="width:100%; height:42px; padding:0 12px; border:2px solid ${lastKeyword ? 'var(--pk-pri)' : 'var(--pk-bd)'}; border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:14px; outline:none; transition:border-color 0.2s; box-sizing:border-box;">
                            <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; line-height:1; white-space:nowrap;">${L.lbl_keyword_filter}</div>
                        </div>

                        <div style="display:flex; align-items:center; gap:10px; margin-bottom:25px;">
                            <div style="flex:1; position:relative;">
                                <input type="number" id="an_val_min" value="${lastMin === 0 ? '' : lastMin}" placeholder="0" min="0" step="1"
                                       style="width:100%; height:42px; padding:0 30px 0 12px; border:2px solid var(--pk-bd); border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:16px; font-weight:700; outline:none; transition:border-color 0.2s; box-sizing:border-box; font-family:monospace;">
                                <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; line-height:1; white-space:nowrap;">${L_min}</div>
                                <div class="pk-num-ctrl">
                                    <div class="pk-num-btn" id="an_inc_min">${CONF.crumbIcons.down.replace('points="6 9 12 15 18 9"', 'points="18 15 12 9 6 15"')}</div>
                                    <div class="pk-num-btn" id="an_dec_min">${CONF.crumbIcons.down}</div>
                                </div>
                            </div>
                            <div style="color:#888; font-weight:bold; flex-shrink:0;">-</div>
                            <div style="flex:1; position:relative;">
                                <input type="number" id="an_val_max" value="${lastMax}" min="0" step="1" placeholder="∞"
                                       style="width:100%; height:42px; padding:0 30px 0 12px; border:2px solid var(--pk-bd); border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:16px; font-weight:700; outline:none; transition:border-color 0.2s; box-sizing:border-box; font-family:monospace;">
                                <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; line-height:1; white-space:nowrap;">${L_max}</div>
                                <div class="pk-num-ctrl">
                                    <div class="pk-num-btn" id="an_inc_max">${CONF.crumbIcons.down.replace('points="6 9 12 15 18 9"', 'points="18 15 12 9 6 15"')}</div>
                                    <div class="pk-num-btn" id="an_dec_max">${CONF.crumbIcons.down}</div>
                                </div>
                            </div>
                            <div class="pk-ana-select">
                                <div class="pk-ana-trigger" id="an_unit_btn">
                                    <span id="an_unit_txt">${lastUnit}</span>
                                    <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="m6 9 6 6 6-6"/></svg>
                                </div>
                                <div class="pk-ana-menu" id="an_unit_menu">
                                    <div class="pk-ana-item ${lastUnit === 'MB' ? 'act' : ''}" data-v="MB">MB</div>
                                    <div class="pk-ana-item ${lastUnit === 'GB' ? 'act' : ''}" data-v="GB">GB</div>
                                    <div class="pk-ana-item ${lastUnit === 'TB' ? 'act' : ''}" data-v="TB">TB</div>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div id="ana_pane_similar" style="display:none;">
                        <div style="font-size:13px; color:#888; margin-bottom:15px; line-height:1.5;">${anaSimTargetDesc}</div>
                        <div style="display:flex; flex-wrap:wrap; gap:12px; margin-bottom:20px; align-items:center; width:100%;">
                            <label style="display:flex; align-items:center; cursor:pointer; flex-shrink:0;">
                                <input type="radio" name="ana_sim_algo" value="name" ${lastAlgo === 'name' ? 'checked' : ''} style="accent-color:var(--pk-pri); margin-right:6px;">
                                <span style="font-size:13px; color:var(--pk-fg); font-weight:500;">${L.lbl_name_match}</span>
                            </label>
                            <label style="display:flex; align-items:center; cursor:pointer; flex-shrink:0;">
                                <input type="radio" name="ana_sim_algo" value="sim" ${lastAlgo === 'sim' || !lastAlgo ? 'checked' : ''} style="accent-color:var(--pk-pri); margin-right:6px;">
                                <span style="font-size:13px; color:var(--pk-fg); font-weight:500;">${L.lbl_sim_match}</span>
                            </label>
                            <label style="display:flex; align-items:center; cursor:pointer; flex-shrink:0;">
                                <input type="radio" name="ana_sim_algo" value="contain" ${lastAlgo === 'contain' ? 'checked' : ''} style="accent-color:var(--pk-pri); margin-right:6px;">
                                <span style="font-size:13px; color:var(--pk-fg); font-weight:500;">${L.lbl_contain_match}</span>
                            </label>
                            <div id="pk_algo_help" style="display:flex; align-items:center; cursor:pointer; color:#888; transition:color 0.2s; flex-shrink:0; width:20px; height:20px; justify-content:center;" data-pk-tip="${L.title_algo_help}" onmouseover="this.style.color=document.querySelector('.pk-ov').classList.contains('pk-dark')?'#ddd':'#666'" onmouseout="this.style.color='#888'">
                                <svg width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" style="flex-shrink:0; pointer-events:none;"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>
                            </div>
                        </div>
                        <div class="pk-custom-select" id="cs_ana_sim" style="margin-bottom:25px;">
                            <div class="pk-select-label">${L.lbl_threshold}</div>
                            <div class="pk-select-trigger"><span id="txt_ana_sim">${(lastSim === 0.01) ? L.opt_loose : L.opt_strict}</span>${CONF.crumbIcons.down}</div>
                            <div class="pk-select-menu pk-scroll">
                                <div class="pk-select-item ${lastSim === 0.01 ? 'act' : ''}" data-val="0.01">${L.opt_loose}</div>
                                <div class="pk-select-item ${lastSim !== 0.01 ? 'act' : ''}" data-val="1.0">${L.opt_strict}</div>
                            </div>
                        </div>
                    </div>

                    <div class="pk-modal-act">
                        <button class="pk-btn" id="an_cancel" style="height:40px; padding:0 20px;">${L.btn_cancel}</button>
                        <button class="pk-btn pri" id="an_confirm" style="height:40px; padding:0 30px; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold;">${L.btn_ok}</button>
                    </div>
                `);

                let currentMode = 'large';
                let currentSim = lastSim;

                const updateAlgoLabel = () => {
                    const lblEl = m.querySelector('#cs_ana_sim .pk-select-label');
                    if (lblEl) lblEl.textContent = L.lbl_threshold;
                };
                m.querySelectorAll('input[name="ana_sim_algo"]').forEach(r => r.addEventListener('change', updateAlgoLabel));
                updateAlgoLabel();

                m.querySelector('#pk_algo_help').onclick = (e) => {
                    e.stopPropagation();
                    showAlert(L.algo_help_content, L.title_algo_help);
                };

                m.querySelectorAll('.pk-s-tab').forEach(tab => {
                    tab.onclick = () => {
                        m.querySelectorAll('.pk-s-tab').forEach(t => t.classList.remove('act'));
                        tab.classList.add('act');
                        currentMode = tab.dataset.val;
                        m.querySelector('#ana_pane_large').style.display = currentMode === 'large' ? 'block' : 'none';
                        m.querySelector('#ana_pane_similar').style.display = currentMode === 'similar' ? 'block' : 'none';
                    };
                });

                const simTrigger = m.querySelector('#cs_ana_sim .pk-select-trigger');
                const simMenu = m.querySelector('#cs_ana_sim .pk-select-menu');
                const simTxt = m.querySelector('#txt_ana_sim');
                simTrigger.onclick = (e) => { e.stopPropagation(); simMenu.style.display = simMenu.style.display === 'block' ? 'none' : 'block'; };
                m.querySelectorAll('#cs_ana_sim .pk-select-item').forEach(item => {
                    item.onclick = (e) => {
                        e.stopPropagation();
                        m.querySelectorAll('#cs_ana_sim .pk-select-item').forEach(i => i.classList.remove('act'));
                        item.classList.add('act');
                        currentSim = parseFloat(item.dataset.val);
                        gmSet('pk_analyze_last_sim', currentSim);
                        simTxt.textContent = (currentSim <= 0.5) ? L.opt_loose : L.opt_strict;
                        simMenu.style.display = 'none';
                    };
                });

                const inpMin = m.querySelector('#an_val_min');
                const inpMax = m.querySelector('#an_val_max');
                const btn = m.querySelector('#an_unit_btn');

                m.querySelector('#an_inc_min').onclick = (e) => { e.stopPropagation(); inpMin.value = (parseInt(inpMin.value) || 0) + 1; inpMin.dispatchEvent(new Event('input')); };
                m.querySelector('#an_dec_min').onclick = (e) => { e.stopPropagation(); inpMin.value = Math.max(0, (parseInt(inpMin.value) || 1) - 1); inpMin.dispatchEvent(new Event('input')); };
                m.querySelector('#an_inc_max').onclick = (e) => { e.stopPropagation(); inpMax.value = (parseInt(inpMax.value) || 0) + 1; inpMax.dispatchEvent(new Event('input')); };
                m.querySelector('#an_dec_max').onclick = (e) => { e.stopPropagation(); inpMax.value = Math.max(0, (parseInt(inpMax.value) || 1) - 1); inpMax.dispatchEvent(new Event('input')); };
                const menu = m.querySelector('#an_unit_menu');
                const txt = m.querySelector('#an_unit_txt');
                let currentUnit = lastUnit;

                btn.onclick = (e) => { e.stopPropagation(); menu.style.display = menu.style.display === 'block' ? 'none' : 'block'; };
                m.querySelectorAll('.pk-ana-item').forEach(item => {
                    item.onclick = () => {
                        m.querySelectorAll('.pk-ana-item').forEach(i => i.classList.remove('act'));
                        item.classList.add('act');
                        currentUnit = item.dataset.v;
                        txt.textContent = currentUnit;
                        menu.style.display = 'none';
                    };
                });

                const closeMenu = () => { if(menu) menu.style.display = 'none'; if(simMenu) simMenu.style.display = 'none'; };
                setTimeout(() => document.addEventListener('click', closeMenu), 0);

                const _orgRemove = m.remove.bind(m);
                m.remove = () => {
                    document.removeEventListener('click', closeMenu);
                    _orgRemove();
                };

                setTimeout(() => m.focus(), 50);

                const kHandler = (e) => {
                    if (e.key === 'Enter') m.querySelector('#an_confirm').click();
                    if (e.key === 'Escape') m.querySelector('#an_cancel').click();
                };
                inpMin.onkeydown = kHandler;
                inpMax.onkeydown = kHandler;

                const saveAnalyzeInputs = () => {
                    gmSet('pk_analyze_last_min', parseInt(inpMin.value) || 0);
                    gmSet('pk_analyze_last_max', inpMax.value.trim());
                    gmSet('pk_analyze_last_unit', currentUnit);
                    gmSet('pk_analyze_last_keyword', m.querySelector('#an_keyword').value.trim());
                    const algo = m.querySelector('input[name="ana_sim_algo"]:checked')?.value;
                    if (algo) gmSet('pk_analyze_last_algo', algo);
                };

                m.querySelector('#an_cancel').onclick = () => { saveAnalyzeInputs(); m.remove(); resolve(null); };
                m.querySelector('.pk-modal-close').onclick = () => { saveAnalyzeInputs(); m.remove(); resolve(null); };
                m.querySelector('#an_confirm').onclick = () => {
                    if (currentMode === 'large') {
                        const vMin = parseInt(inpMin.value) || 0;
                        const vMax = parseInt(inpMax.value) || 0;
                        const kw = m.querySelector('#an_keyword').value.trim();
                        if (vMin < 0 || (vMax > 0 && vMin > vMax)) {
                            inpMin.style.borderColor = '#d93025';
                            if (vMax > 0 && vMin > vMax) inpMax.style.borderColor = '#d93025';
                            return;
                        }
                        saveAnalyzeInputs();
                        let mult = 1;
                        if (currentUnit === 'MB') mult = 1024 * 1024;
                        else if (currentUnit === 'GB') mult = 1024 * 1024 * 1024;
                        else if (currentUnit === 'TB') mult = 1024 * 1024 * 1024 * 1024;
                        m.remove();
                        resolve({ mode: 'large', minBytes: Math.floor(vMin * mult), maxBytes: vMax > 0 ? Math.floor(vMax * mult) : 0, keyword: kw });
                    } else {
                        const algo = m.querySelector('input[name="ana_sim_algo"]:checked').value;
                        gmSet('pk_analyze_last_algo', algo);
                        m.remove();
                        resolve({ mode: 'similar', threshold: currentSim, algo: algo });
                    }
                };

                const modalBox = m.querySelector('.pk-modal');
                if (modalBox) {
                    Object.assign(modalBox.style, {
                        width: '540px',
                        height: 'auto',
                        minHeight: 'auto',
                        overflow: 'visible',
                        paddingBottom: '30px'
                    });

                    const closeBtn = m.querySelector('.pk-modal-close');
                    if (closeBtn) Object.assign(closeBtn.style, { top: '22px', right: '22px' });
                }
            });

            if (result === null) return;
            const isSimMode = result.mode === 'similar';
            const minBytes = result.minBytes || 0;
            const maxBytes = result.maxBytes || 0;
            const simThreshold = result.threshold || 0.9;
            const simAlgo = result.algo || 'sim';

            setLoad(true);
            isGUISensitive = true;

            let nodeMap = new Map();
            const largeFolders = [];

            const startNodes = [];

            const getRealLineage = (item) => {
                if (item._lineage && item._lineage.length > 0) {
                    return item._lineage;
                }
                const cleanPath = S.path.filter(p => p.id !== 'analyze_root' && p.id !== 'virtual_search_root');
                return [...cleanPath, { id: item.id, name: item.name }];
            };

            const analyzeSelectedIds = S.getSelectedIds();
            if (analyzeSelectedIds.length > 0) {
                analyzeSelectedIds.forEach(id => {
                    const item = S.itemMap.get(id);
                    if (item && item.kind === 'drive#folder') {
                        const fullLineage = getRealLineage(item);
                        startNodes.push({
                            id: item.id,
                            name: item.name,
                            icon_link: item.icon_link,
                            starred: item.starred,
                            tags: item.tags,
                            lineage: fullLineage,
                            retryCount: 0,
                            _pathStr: fullLineage.map(x => x.name).join('/')
                        });
                    }
                });
            } else {
                const subFolders = S.items.filter(it => it.kind === 'drive#folder');
                if (subFolders.length > 0) {
                    subFolders.forEach(item => {
                        const fullLineage = getRealLineage(item);
                        startNodes.push({
                            id: item.id,
                            name: item.name,
                            icon_link: item.icon_link,
                            starred: item.starred,
                            tags: item.tags,
                            lineage: fullLineage,
                            retryCount: 0,
                            _pathStr: fullLineage.map(x => x.name).join('/')
                        });
                    });
                } else {
                    const cur = S.path[S.path.length - 1];
                    const cleanPath = S.path.filter(p => p.id !== 'analyze_root' && p.id !== 'virtual_search_root');
                    if (cleanPath.length === 0) cleanPath.push({ id: '', name: L.btn_nav_home });
                    const rootName = cur.name || 'Root';
                    const actualCur = S.itemMap.get(cur.id);

                    startNodes.push({
                        id: cur.id || '',
                        name: rootName,
                        icon_link: cur.icon_link,
                        starred: actualCur ? actualCur.starred : false,
                        tags: actualCur ? actualCur.tags :[],
                        lineage: cleanPath,
                        retryCount: 0,
                        _pathStr: cleanPath.map(x => x.name).join('/')
                    });
                }
            }

            if (startNodes.length === 0) {
                setLoad(false); isGUISensitive = false;
                showToast(L.msg_analyze_only_normal_dir);
                return;
            }

            startNodes.forEach(n => {
                nodeMap.set(n.id, {
                    id: n.id,
                    name: n.name,
                    icon_link: n.icon_link,
                    starred: n.starred,
                    tags: n.tags,
                    size: 0,
                    parentId: null,
                    marked: false,
                    _pathStr: n._pathStr,
                    lineage: n.lineage,
                    isRoot: true,
                    files:[]
                });
            });

            const cacheKey = '__analyze_nodeMap_' + startNodes.map(n => n.id).join('_');
            let useCache = false;

            if (typeof globalCache !== 'undefined' && globalCache.has(cacheKey) && globalDirtyFolders.size === 0) {
                const cachedArr = globalCache.get(cacheKey);
                nodeMap = new Map(cachedArr);
                useCache = true;
                console.log("[Analyze] Using cached global nodeMap.");
            }

            const propagateSize = (parentId, addSize) => {
                let curId = parentId;
                while (curId !== null && nodeMap.has(curId)) {
                    const node = nodeMap.get(curId);
                    node.size += addSize;

                    if (!node.isRoot && node.size >= minBytes && !node.marked) {
                        node.marked = true;
                        largeFolders.push(node);
                    }
                    curId = node.parentId;
                }
            };

            S.scanId = (S.scanId || 0) + 1;
            const myScanId = S.scanId;

            if (S.scanAbortController) S.scanAbortController.abort();
            S.scanAbortController = new AbortController();
            const signal = S.scanAbortController.signal;

            let isRunning = true;
            UI.stopBtn.onclick = () => {
                isRunning = false;
                S.scanning = false;
                if (S.scanAbortController) S.scanAbortController.abort();
                updateLoadTxt(L.str_stopping);
            };

            S.scanning = true;
            let totalFilesScanned = 0;
            let totalDirsScanned = 0;

            try {
                if (!useCache) {
                    await coreRecursiveEngine(startNodes, {
                    signal: signal,

                    onFolder: (folder, filesInFolder, nextSubFolders) => {
                        totalDirsScanned++;

                        nextSubFolders.forEach(sub => {
                            if (!nodeMap.has(sub.id)) {
                                const fullPathStr = sub.lineage.map(x => x.name).join('/');

                                nodeMap.set(sub.id, {
                                    id: sub.id,
                                    name: sub.name,
                                    icon_link: sub.icon_link,
                                    starred: sub.starred,
                                    tags: sub.tags,
                                    size: 0,
                                    parentId: folder.id,
                                    marked: false,
                                    _pathStr: fullPathStr,
                                    lineage: sub.lineage,
                                    isRoot: false,
                                    files:[]
                                });
                            }
                        });
                    },

                    onFile: (file, parent) => {
                        totalFilesScanned++;
                        const sz = Number(file.size || 0);
                        if (sz > 0) {
                            propagateSize(parent.id, sz);
                        }
                        if (nodeMap.has(parent.id)) {
                            const fingerprint = file.hash ? `${file.hash}_${sz}` : `${file.name}_${sz}`;
                            let curId = parent.id;
                            while (curId !== null && nodeMap.has(curId)) {
                                nodeMap.get(curId).files.push(fingerprint);
                                curId = nodeMap.get(curId).parentId;
                            }
                        }
                    },

                    onProgress: (st) => {
                        updateLoadTxt(`${L.str_scanning} ${st.folders} ${L.unit_folders} | ${L.str_files}: ${st.files} | ${L.str_speed}: ${st.currentConcurrency} | ${L.str_cached} ${st.cacheHits} ${L.unit_folders}`);
                    }
                });

                if (!isRunning || signal.aborted || myScanId !== S.scanId) {
                    throw new Error('StoppedByUser');
                }

                if (typeof globalCache !== 'undefined') {
                    globalCache.set(cacheKey, Array.from(nodeMap.entries()));
                }
            } else {
                Array.from(nodeMap.values()).forEach(node => {
                    if (!node.isRoot && node.size >= minBytes) {
                        largeFolders.push(node);
                    }
                });
            }

            } catch (e) {
                if (isRunning && e.message !== 'StoppedByUser' && e.name !== 'AbortError') {
                    showAlert(`${L.str_error}: ${e.message}`);
                    setLoad(false);
                }
            } finally {
                isGUISensitive = false;
                S.scanning = false;
                S.scanAbortController = null;

                if (!isRunning) {
                    setLoad(false);
                    return;
                }

                let viewItems = [];

                if (isSimMode) {
                    updateLoadTxt(`${L.str_analyzing}...`);

                    Array.from(nodeMap.values()).forEach(node => {
                        node._ancestorSet = new Set(node.lineage ? node.lineage.map(p => p.id) : []);
                        if (node.parentId && nodeMap.has(node.parentId)) {
                            const parent = nodeMap.get(node.parentId);
                            if (parent.files.length === node.files.length) {
                                parent.isShell = true;
                            }
                        }
                    });

                    const isDescendant = (childId, parentId) => {
                        const childNode = nodeMap.get(childId);
                        return childNode ? childNode._ancestorSet.has(parentId) : false;
                    };

                    const folderArr = Array.from(nodeMap.values())
                    .filter(f => !f.isShell && (f.files.length >= 2 || f.size > 1024 * 1024))
                    .map(f => {
                        const counts = new Map();
                        f.files.forEach(h => counts.set(h, (counts.get(h) || 0) + 1));
                        return { ...f, fileCounts: counts, _keys: Array.from(counts.keys()), totalFiles: f.files.length };
                    })
                    .sort((a, b) => b.totalFiles - a.totalFiles);

                    const invertedIndex = new Map();
                    folderArr.forEach((f, i) => {
                        f.fileCounts.forEach((_, hash) => {
                            let arr = invertedIndex.get(hash);
                            if (!arr) { arr = []; invertedIndex.set(hash, arr); }
                            arr.push(i);
                        });
                    });

                    const totalDocs = folderArr.length;
                    const weightMap = new Map();
                    invertedIndex.forEach((arr, hash) => {
                        const df = arr.length;
                        let w = 1.0;
                        if (totalDocs >= 20 && (df / totalDocs) > 0.05) {
                            w = 0.05;
                        }
                        weightMap.set(hash, w);
                    });

                    folderArr.forEach(f => {
                        let wt = 0;
                        f.fileCounts.forEach((count, hash) => {
                            wt += count * weightMap.get(hash);
                        });
                        f.weightedTotal = wt;
                    });

                    let groups =[];
                    const assigned = new Set();
                    const total = folderArr.length;
                    const candidateSeen = new Uint32Array(total);
                    let lastYieldTime = performance.now();

                    updateLoadTxt(`${L.str_analyzing}... 0%`);

                    try {
                        if (simAlgo === 'name') {
                            const nameGroups = new Map();
                            const cleanFolderName = (oldName) => {
                                let cleanName = oldName.replace(/[\r\n\v\f\u2028\u2029]+/g, ' ').trim();
                                cleanName = cleanName.replace(/^【[^】]+】 *[-_.]? */, '');
                                cleanName = cleanName.replace(/^[a-z0-9-]+[.](?:com|net|org|cc|xyz|vip|top|la) +/i, '');
                                const adKw = "(?:[.]com|[.]net|[.]org|[.]cc|[.]xyz|[.]vip|[.]top|[.]la|2048|www[.])";
                                const atRegex = new RegExp('^.*?' + adKw + '.*?(?:@|--+|_\\s)', 'i');
                                cleanName = cleanName.replace(atRegex, '');
                                const hyphenRegex = new RegExp('^[a-z0-9.-]+' + adKw + '-', 'i');
                                cleanName = cleanName.replace(hyphenRegex, '');
                                cleanName = cleanName.replace(/^(?:精品加群|福利合集)[0-9]+[-_]+ */, '');
                                cleanName = cleanName.replace(/^[-_. ,，:：;；\p{Extended_Pictographic}]+/u, '');
                                const pairs = [['【','】'], ['[',']'], ['《','》'],['<','>'], ['（','）'],['(',')'], ['{','}']];
                                pairs.forEach(([L_char, R_char]) => {
                                    const idxR_Fix = cleanName.indexOf(R_char);
                                    const idxL_Check = cleanName.indexOf(L_char);
                                    if (idxR_Fix > 0 && idxR_Fix <= 10 && (idxL_Check === -1 || idxL_Check > idxR_Fix)) {
                                        cleanName = L_char + cleanName;
                                    }
                                    const chars = cleanName.split('');
                                    const stack = [];
                                    const toRemove = new Set();
                                    for (let i = 0; i < chars.length; i++) {
                                        const c = chars[i];
                                        if (c === L_char) stack.push(i);
                                        else if (c === R_char) {
                                            if (stack.length > 0) stack.pop();
                                            else toRemove.add(i);
                                        }
                                    }
                                    stack.forEach(i => toRemove.add(i));
                                    if (toRemove.size > 0) cleanName = chars.filter((_, i) => !toRemove.has(i)).join('');
                                });
                                const quoteCount = (cleanName.match(/'/g) || []).length;
                                if (quoteCount % 2 !== 0) cleanName = cleanName.replace(/'/, '');
                                let finalResult = cleanName.toLowerCase().trim();
                                if (simThreshold <= 0.5) {
                                    finalResult = finalResult.replace(/[^\u4e00-\u9fa5a-zA-Z0-9]/g, '');
                                }
                                return finalResult || oldName.toLowerCase().trim();
                            };
                            folderArr.forEach(f => {
                                const k = cleanFolderName(f.name);
                                if (!nameGroups.has(k)) nameGroups.set(k,[]);
                                nameGroups.get(k).push(f);
                            });

                            const sizeRatioLimit = simThreshold >= 0.5 ? 0.05 : 0.10;

                            for (const[k, items] of nameGroups) {
                                if (items.length > 1) {
                                    const sorted = [...items].sort((a,b) => Number(a.size) - Number(b.size));
                                    let currentGroup = [sorted[0]];

                                    for (let i = 1; i < sorted.length; i++) {
                                        const target = sorted[i];
                                        const root = currentGroup[0];
                                        const rootSize = Number(root.size || 0);
                                        const targetSize = Number(target.size || 0);

                                        let isMatch = false;
                                        if (rootSize === 0 && targetSize === 0) isMatch = true;
                                        else {
                                            const sizeDiff = Math.abs(targetSize - rootSize);
                                            const maxBase = Math.max(targetSize, rootSize);
                                            if (maxBase > 0 && (sizeDiff / maxBase) <= sizeRatioLimit) isMatch = true;
                                        }

                                        if (isMatch) currentGroup.push(target);
                                        else {
                                            if (currentGroup.length > 1) {
                                                const gNodes = currentGroup;
                                                let minS = Number.MAX_SAFE_INTEGER, maxS = 0;
                                                gNodes.forEach(n => { const sz = Number(n.size||0); if(sz<minS) minS=sz; if(sz>maxS) maxS=sz; });
                                                if (minS === Number.MAX_SAFE_INTEGER) minS = 0;
                                                const range = (minS === maxS) ? fmtSize(minS) : `${fmtSize(minS)} ~ ${fmtSize(maxS)}`;
                                                groups.push({ ids: gNodes.map(f => f.id), type: `${gNodes.length} ${L.str_items} | ${range}`, _sim: 1 });
                                                gNodes.forEach(f => assigned.add(f.id));
                                            }
                                            currentGroup = [target];
                                        }
                                    }
                                    if (currentGroup.length > 1) {
                                        const gNodes = currentGroup;
                                        let minS = Number.MAX_SAFE_INTEGER, maxS = 0;
                                        gNodes.forEach(n => { const sz = Number(n.size||0); if(sz<minS) minS=sz; if(sz>maxS) maxS=sz; });
                                        if (minS === Number.MAX_SAFE_INTEGER) minS = 0;
                                        const range = (minS === maxS) ? fmtSize(minS) : `${fmtSize(minS)} ~ ${fmtSize(maxS)}`;
                                        groups.push({ ids: gNodes.map(f => f.id), type: `${gNodes.length} ${L.str_items} | ${range}`, _sim: 1 });
                                        gNodes.forEach(f => assigned.add(f.id));
                                    }
                                }
                            }
                        } else {
                        for (let i = 0; i < total; i++) {
                            if (i % 50 === 0 || performance.now() - lastYieldTime > 16) {
                                if (!isRunning) break;
                                updateLoadTxt(`${L.str_analyzing}\n${Math.round((i / total) * 100)}%`);
                                await sleep(0);
                                lastYieldTime = performance.now();
                            }

                            if (assigned.has(folderArr[i].id)) continue;

                            const f1 = folderArr[i];
                            const group = [f1];
                            let groupMinSim = 1.0;

                            const candidateIndices = [];
                            const marker = i + 1;
                            f1.fileCounts.forEach((_, hash) => {
                                const foldersWithHash = invertedIndex.get(hash);
                                if (foldersWithHash) {
                                    for (let k = 0, len = foldersWithHash.length; k < len; k++) {
                                        const idx = foldersWithHash[k];
                                        if (idx > i && candidateSeen[idx] !== marker && !assigned.has(folderArr[idx].id)) {
                                            candidateSeen[idx] = marker;
                                            candidateIndices.push(idx);
                                        }
                                    }
                                }
                            });

                            for (let m = 0, cLen = candidateIndices.length; m < cLen; m++) {
                                const j = candidateIndices[m];
                                const f2 = folderArr[j];

                                if (simAlgo === 'sim' && (isDescendant(f2.id, f1.id) || isDescendant(f1.id, f2.id))) continue;

                                let total1 = f1.weightedTotal;
                                let total2 = f2.weightedTotal;
                                let intersect = 0;

                                if (isDescendant(f2.id, f1.id)) {
                                    total1 -= total2;
                                    if (total1 <= 0 || total2 <= 0) continue;
                                    const maxS = total1 > total2 ? total1 : total2;
                                    const minS = total1 < total2 ? total1 : total2;
                                    if (simAlgo === 'sim' && minS / maxS < simThreshold) continue;

                                    for (let k = 0, len = f2._keys.length; k < len; k++) {
                                        const hash = f2._keys[k];
                                        const c2 = f2.fileCounts.get(hash);
                                        const c1 = f1.fileCounts.get(hash) || 0;
                                        const diff = c1 - c2;
                                        if (diff > 0) intersect += (diff < c2 ? diff : c2) * weightMap.get(hash);
                                    }
                                } else if (isDescendant(f1.id, f2.id)) {
                                    total2 -= total1;
                                    if (total1 <= 0 || total2 <= 0) continue;
                                    const maxS = total1 > total2 ? total1 : total2;
                                    const minS = total1 < total2 ? total1 : total2;
                                    if (simAlgo === 'sim' && minS / maxS < simThreshold) continue;

                                    for (let k = 0, len = f1._keys.length; k < len; k++) {
                                        const hash = f1._keys[k];
                                        const c1 = f1.fileCounts.get(hash);
                                        const c2 = f2.fileCounts.get(hash) || 0;
                                        const diff = c2 - c1;
                                        if (diff > 0) intersect += (diff < c1 ? diff : c1) * weightMap.get(hash);
                                    }
                                } else {
                                    if (total1 <= 0 || total2 <= 0) continue;
                                    const maxS = total1 > total2 ? total1 : total2;
                                    const minS = total1 < total2 ? total1 : total2;
                                    if (simAlgo === 'sim' && minS / maxS < simThreshold) continue;

                                    const fSmall = f1._keys.length < f2._keys.length ? f1 : f2;
                                    const fLarge = f1._keys.length < f2._keys.length ? f2 : f1;
                                    for (let k = 0, len = fSmall._keys.length; k < len; k++) {
                                        const hash = fSmall._keys[k];
                                        const cLarge = fLarge.fileCounts.get(hash);
                                        if (cLarge !== undefined) {
                                            const cSmall = fSmall.fileCounts.get(hash);
                                            intersect += (cSmall < cLarge ? cSmall : cLarge) * weightMap.get(hash);
                                        }
                                    }
                                }

                                const minTotal = total1 < total2 ? total1 : total2;
                                const union = total1 + total2 - intersect;
                                const sim = simAlgo === 'contain' ? (minTotal > 0 ? (intersect / minTotal) : 0) : (union > 0 ? (intersect / union) : 0);

                                if (sim >= simThreshold) {
                                    let isGroupQualified = true;
                                    let currentMinSim = sim;

                                    for (let gIdx = 1; gIdx < group.length; gIdx++) {
                                        const gMember = group[gIdx];

                                        if (simAlgo === 'sim' && (isDescendant(f2.id, gMember.id) || isDescendant(gMember.id, f2.id))) {
                                            isGroupQualified = false;
                                            break;
                                        }

                                        let tA = gMember.weightedTotal;
                                        let tB = f2.weightedTotal;
                                        let intS = 0;

                                        if (isDescendant(f2.id, gMember.id)) {
                                            tA -= tB;
                                        } else if (isDescendant(gMember.id, f2.id)) {
                                            tB -= tA;
                                        }

                                        if (tA <= 0 || tB <= 0) {
                                            isGroupQualified = false;
                                            break;
                                        }

                                        const maxS = tA > tB ? tA : tB;
                                        const minS = tA < tB ? tA : tB;
                                        if (simAlgo === 'sim' && minS / maxS < simThreshold) {
                                            isGroupQualified = false;
                                            break;
                                        }

                                        if (isDescendant(f2.id, gMember.id)) {
                                            for (let k = 0, len = f2._keys.length; k < len; k++) {
                                                const h = f2._keys[k];
                                                const cB = f2.fileCounts.get(h);
                                                const cA = gMember.fileCounts.get(h) || 0;
                                                const diff = cA - cB;
                                                if (diff > 0) intS += (diff < cB ? diff : cB) * weightMap.get(h);
                                            }
                                        } else if (isDescendant(gMember.id, f2.id)) {
                                            for (let k = 0, len = gMember._keys.length; k < len; k++) {
                                                const h = gMember._keys[k];
                                                const cA = gMember.fileCounts.get(h);
                                                const cB = f2.fileCounts.get(h) || 0;
                                                const diff = cB - cA;
                                                if (diff > 0) intS += (diff < cA ? diff : cA) * weightMap.get(h);
                                            }
                                        } else {
                                            const fSmall = gMember._keys.length < f2._keys.length ? gMember : f2;
                                            const fLarge = gMember._keys.length < f2._keys.length ? f2 : gMember;
                                            for (let k = 0, len = fSmall._keys.length; k < len; k++) {
                                                const h = fSmall._keys[k];
                                                const cLarge = fLarge.fileCounts.get(h);
                                                if (cLarge !== undefined) {
                                                    const cSmall = fSmall.fileCounts.get(h);
                                                    intS += (cSmall < cLarge ? cSmall : cLarge) * weightMap.get(h);
                                                }
                                            }
                                        }

                                        const minT = tA < tB ? tA : tB;
                                        const un = tA + tB - intS;
                                        const pairwiseSim = simAlgo === 'contain' ? (minT > 0 ? (intS / minT) : 0) : (un > 0 ? (intS / un) : 0);

                                        if (pairwiseSim < simThreshold) {
                                            isGroupQualified = false;
                                            break;
                                        }
                                        if (pairwiseSim < currentMinSim) {
                                            currentMinSim = pairwiseSim;
                                        }
                                    }

                                    if (isGroupQualified) {
                                        group.push(f2);
                                        if (currentMinSim < groupMinSim) groupMinSim = currentMinSim;
                                    }
                                }
                            }

                            if (group.length > 1) {
                                group.forEach(f => assigned.add(f.id));
                                groups.push({
                                    ids: group.map(f => f.id),
                                    type: `${group.length} ${L.str_items} | ${simAlgo === 'contain' ? L.lbl_containment : L.lbl_sim_score}: ${Math.round(groupMinSim * 100)}%`,
                                    _sim: groupMinSim
                                });
                            }
                        }
                        }

                        if (simAlgo !== 'name') {
                        const folderObjMap = new Map();
                        folderArr.forEach(f => folderObjMap.set(f.id, f));

                        const finalGroups =[];
                        groups.forEach(g => {
                            const nodes = g.ids.map(id => folderObjMap.get(id)).filter(Boolean);
                            const toRemove = new Set();

                            nodes.forEach(node => {
                                const descendants = nodes.filter(n => n.id !== node.id && isDescendant(n.id, node.id));
                                if (descendants.length === 0) return;

                                const hasExternal = nodes.some(n => n.id !== node.id && !isDescendant(n.id, node.id) && !isDescendant(node.id, n.id));
                                if (hasExternal) return;

                                const topDescendants = descendants.filter(d1 =>
                                    !descendants.some(d2 => d1.id !== d2.id && isDescendant(d1.id, d2.id))
                                );

                                let isCovered = true;
                                let sumTotal = 0;
                                const sumCounts = new Map();

                                topDescendants.forEach(td => {
                                    sumTotal += td.totalFiles;
                                    td.fileCounts.forEach((count, hash) => {
                                        sumCounts.set(hash, (sumCounts.get(hash) || 0) + count);
                                    });
                                });

                                if (sumTotal !== node.totalFiles) {
                                    isCovered = false;
                                } else {
                                    for (const [hash, count] of node.fileCounts) {
                                        if (sumCounts.get(hash) !== count) {
                                            isCovered = false;
                                            break;
                                        }
                                    }
                                }

                                if (isCovered) {
                                    toRemove.add(node.id);
                                }
                            });

                            const finalIds = g.ids.filter(id => !toRemove.has(id));
                            if (finalIds.length >= 2) {
                                finalGroups.push({
                                    ids: finalIds,
                                    type: g.type,
                                    _sim: g._sim
                                });
                            }
                        });

                        groups = finalGroups;

                        const partitionedGroups = [];
                        const varianceTolerance = 0.15;

                        groups.forEach(g => {
                            const nodes = g.ids.map(id => folderObjMap.get(id)).filter(Boolean);
                            if (nodes.length <= 2) {
                                const pct = Math.round(g._sim * 100);
                                g.type = `${nodes.length} ${L.str_items} | ${simAlgo === 'contain' ? L.lbl_containment : L.lbl_sim_score}: ${pct}%`;
                                partitionedGroups.push(g);
                                return;
                            }

                            const simMatrix = [];
                            let maxSim = 0, minSim = 1;

                            for (let i = 0; i < nodes.length; i++) {
                                simMatrix[i] = [];
                                for (let j = 0; j < nodes.length; j++) {
                                    if (i === j) { simMatrix[i][j] = 1; continue; }
                                    if (j < i) { simMatrix[i][j] = simMatrix[j][i]; continue; }

                                    const n1 = nodes[i], n2 = nodes[j];

                                    if (simAlgo === 'sim' && (isDescendant(n2.id, n1.id) || isDescendant(n1.id, n2.id))) {
                                        simMatrix[i][j] = 0;
                                        minSim = 0;
                                        continue;
                                    }

                                    let tA = n1.weightedTotal, tB = n2.weightedTotal, intS = 0;
                                    if (isDescendant(n2.id, n1.id)) tA -= tB; else if (isDescendant(n1.id, n2.id)) tB -= tA;

                                    if (tA > 0 && tB > 0) {
                                        if (isDescendant(n2.id, n1.id)) {
                                            for (let k = 0; k < n2._keys.length; k++) {
                                                const h = n2._keys[k], cB = n2.fileCounts.get(h), cA = n1.fileCounts.get(h) || 0, diff = cA - cB;
                                                if (diff > 0) intS += (diff < cB ? diff : cB) * weightMap.get(h);
                                            }
                                        } else if (isDescendant(n1.id, n2.id)) {
                                            for (let k = 0; k < n1._keys.length; k++) {
                                                const h = n1._keys[k], cA = n1.fileCounts.get(h), cB = n2.fileCounts.get(h) || 0, diff = cB - cA;
                                                if (diff > 0) intS += (diff < cA ? diff : cA) * weightMap.get(h);
                                            }
                                        } else {
                                            const fSmall = n1._keys.length < n2._keys.length ? n1 : n2, fLarge = n1._keys.length < n2._keys.length ? n2 : n1;
                                            for (let k = 0; k < fSmall._keys.length; k++) {
                                                const h = fSmall._keys[k], cLarge = fLarge.fileCounts.get(h);
                                                if (cLarge !== undefined) intS += (fSmall.fileCounts.get(h) < cLarge ? fSmall.fileCounts.get(h) : cLarge) * weightMap.get(h);
                                            }
                                        }
                                        const minT = tA < tB ? tA : tB;
                                        const un = tA + tB - intS;
                                        const s = simAlgo === 'contain' ? (minT > 0 ? (intS / minT) : 0) : (un > 0 ? (intS / un) : 0);
                                        simMatrix[i][j] = s;
                                        if (s > maxSim) maxSim = s;
                                        if (s < minSim) minSim = s;
                                    } else {
                                        simMatrix[i][j] = 0;
                                        minSim = 0;
                                    }
                                }
                            }

                            if (maxSim - minSim <= varianceTolerance) {
                                const minPct = Math.round(minSim * 100);
                                const maxPct = Math.round(maxSim * 100);
                                const range = (minPct === maxPct) ? `${minPct}%` : `${minPct}% ~ ${maxPct}%`;
                                g.type = `${nodes.length} ${L.str_items} | ${simAlgo === 'contain' ? L.lbl_containment : L.lbl_sim_score}: ${range}`;
                                partitionedGroups.push(g);
                            } else {
                                const unassigned = new Set(nodes.map((_, idx) => idx));
                                const pairs =[];
                                for (let i = 0; i < nodes.length; i++) {
                                    for (let j = i + 1; j < nodes.length; j++) pairs.push({i, j, s: simMatrix[i][j]});
                                }
                                pairs.sort((a, b) => b.s - a.s);

                                pairs.forEach(pair => {
                                    if (unassigned.has(pair.i) && unassigned.has(pair.j) && pair.s >= simThreshold) {
                                        const sg = [pair.i, pair.j];
                                        let sgMinSim = pair.s;
                                        unassigned.delete(pair.i); unassigned.delete(pair.j);

                                        for (const u of Array.from(unassigned)) {
                                            let canAdd = true, localMin = 1;
                                            for (const mem of sg) {
                                                const s = simMatrix[u < mem ? u : mem][u > mem ? u : mem];
                                                if (pair.s - s > varianceTolerance || s < simThreshold) { canAdd = false; break; }
                                                if (s < localMin) localMin = s;
                                            }
                                            if (canAdd) { sg.push(u); unassigned.delete(u); if (localMin < sgMinSim) sgMinSim = localMin; }
                                        }
                                        if (sg.length >= 2) {
                                            let subMin = 1, subMax = 0;
                                            for(let x=0; x<sg.length; x++){
                                                for(let y=x+1; y<sg.length; y++){
                                                    const idx1 = sg[x] < sg[y] ? sg[x] : sg[y];
                                                    const idx2 = sg[x] > sg[y] ? sg[x] : sg[y];
                                                    const sVal = simMatrix[idx1][idx2];
                                                    if (sVal < subMin) subMin = sVal;
                                                    if (sVal > subMax) subMax = sVal;
                                                }
                                            }
                                            const minPct = Math.round(subMin * 100);
                                            const maxPct = Math.round(subMax * 100);
                                            const range = (minPct === maxPct) ? `${minPct}%` : `${minPct}% ~ ${maxPct}%`;
                                            partitionedGroups.push({
                                                ids: sg.map(idx => nodes[idx].id),
                                                type: `${sg.length} ${L.str_items} | ${simAlgo === 'contain' ? L.lbl_containment : L.lbl_sim_score}: ${range}`,
                                                _sim: subMin
                                            });
                                        }
                                    }
                                });
                            }
                        });

                        groups = partitionedGroups;
                        }
                    } catch (e) {
                        console.error("[SimMode] Error:", e);
                    }

                    if (groups.length === 0) {
                        setLoad(false);
                        showToast(L.msg_dup_none);
                        return;
                    }
                    groups.sort((a, b) => (b._sim - a._sim) || (b.ids.length - a.ids.length));

                    S.analyzeSimGroups = groups;

                    viewItems = Array.from(assigned).map(id => {
                        const node = nodeMap.get(id);
                        return {
                            id: node.id,
                            kind: 'drive#folder',
                            name: node.name,
                            icon_link: node.icon_link,
                            starred: node.starred,
                            tags: node.tags,
                            size: node.size.toString(),
                            _pathStr: (node._pathStr && node._pathStr.includes('/')) ? node._pathStr.substring(0, node._pathStr.lastIndexOf('/')) : L.btn_nav_home,
                            _lineage: node.lineage,
                            modified_time: new Date(getServerNow()).toISOString(),
                            parent_id: node.parentId
                        };
                    });
                } else {
                    updateLoadTxt(L.str_rendering);
                    const uniqueResults = Array.from(new Set(largeFolders));
                    const kw = gmGet('pk_analyze_last_keyword', '');
                    const kwList = kw ? kw.toLowerCase().split(/[,，]/).map(k => k.trim()).filter(k => k) : [];

                    let filteredResults = uniqueResults.filter(n => n.size >= minBytes && (maxBytes === 0 || n.size <= maxBytes));

                    if (kwList.length > 0) {
                        filteredResults = filteredResults.filter(node => !kwList.some(k => (node.name || "").toLowerCase().includes(k)));
                    }

                    filteredResults.sort((a, b) => b.size - a.size);

                    if (filteredResults.length === 0) {
                        setLoad(false);
                        let rangeStr = maxBytes > 0 ? `${fmtSize(minBytes)} - ${fmtSize(maxBytes)}` : `≥ ${fmtSize(minBytes)}`;
                        showToast(L.msg_analyze_no_large_folders.replace('{s}', rangeStr));
                        return;
                    }

                    viewItems = filteredResults.map(node => ({
                        id: node.id,
                        kind: 'drive#folder',
                        name: node.name,
                        icon_link: node.icon_link,
                        starred: node.starred,
                        tags: node.tags,
                        size: node.size.toString(),
                        _pathStr: (node._pathStr && node._pathStr.includes('/')) ? node._pathStr.substring(0, node._pathStr.lastIndexOf('/')) : L.btn_nav_home,
                        _lineage: node.lineage,
                        modified_time: new Date(getServerNow()).toISOString(),
                        parent_id: node.parentId
                    }));
                }

                rememberFolderFirstBeforeStrictMode();

                S.analyzeMode = true;
                S.hasShownAnaWarn = false;
                S.sort = 'size'; S.dir = 1;
                S.isFlattened = false;
                S.dupMode = false;
                S.analyzeResultItems = [...viewItems];
                S.analyzeMap = nodeMap;
                S.path = [{ id: 'analyze_root', name: L.str_analyze_results }];
                renderCrumb();
                S.items = viewItems;
                S.itemMap.clear();
                S.items.forEach(i => S.itemMap.set(i.id, i));
                S.sel.clear();

                UI.scan.style.display = 'none';
                if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'none';
                UI.btnExit.style.display = 'flex';

                if (UI.dupTools) UI.dupTools.style.display = 'none';
                if (UI.dupFilters) UI.dupFilters.style.display = 'none';

                if (UI.lblGlobal) UI.lblGlobal.style.display = 'none';
                if (UI.chkGlobal) UI.chkGlobal.checked = false;

                refresh();
                if (S._enterTopRaf) cancelAnimationFrame(S._enterTopRaf);
                S._enterTopRaf = requestAnimationFrame(() => {
                    S._enterTopRaf = 0;
                    if (UI.vp && UI.vp.scrollTop !== 0) UI.vp.scrollTop = 0;
                });
                updateStat();

                setTimeout(() => {
                    setLoad(false);
                    isGUISensitive = false;
                }, 200);
            }
        };
    }

    function showAnalyzeResultModal(list, threshold) {
        const L = getStrings();
        const modalHtml = `
            <div style="padding-bottom:15px; border-bottom:1px solid var(--pk-bd); margin-bottom:10px;">
                <h3 style="margin:0; font-size:18px; font-weight:700;">${L.title_analyze_result}</h3>
                <div style="font-size:12px; color:#888; margin-top:5px;">
                    ${L.msg_analyze_summary_fmt.replace('{n}', list.length).replace('{s}', threshold)}
                </div>
            </div>

            <div class="pk-scroll" style="flex:1; overflow-y:auto; border:1px solid var(--pk-bd); border-radius:4px; background:var(--pk-bg);">
                <div style="display:grid; grid-template-columns: 1fr 100px 80px; font-weight:bold; padding:8px 12px; border-bottom:1px solid var(--pk-bd); background:var(--pk-hl); font-size:12px; position:sticky; top:0;">
                    <div>${L.col_path_name}</div>
                    <div style="text-align:right;">${L.col_size}</div>
                    <div style="text-align:center;">${L.col_action}</div>
                </div>
                <div id="pk_analyze_list"></div>
            </div>

            <div class="pk-modal-act" style="margin-top:15px;">
                <button class="pk-btn pri" id="pk_analyze_close" style="width:100px; justify-content:center;">${L.btn_close}</button>
            </div>
        `;

        const m = showModal(modalHtml);
        const modalBox = m.querySelector('.pk-modal');
        modalBox.style.width = "800px";
        modalBox.style.height = "80vh";

        const container = m.querySelector('#pk_analyze_list');
        const fragment = document.createDocumentFragment();

        list.forEach(item => {
            const row = document.createElement('div');
            row.style.cssText = "display:grid; grid-template-columns: 1fr 100px 80px; padding:10px 12px; border-bottom:1px solid var(--pk-bd); font-size:13px; align-items:center;";

            const fullPath = item.path;
            const name = item.name;
            const parentPath = fullPath.substring(0, fullPath.lastIndexOf(name));

            const sizeNum = Number(item.size);

            row.innerHTML = `
                <div style="overflow:hidden;">
                    <div style="font-weight:bold; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:var(--pk-fg);" title="${esc(name)}">${esc(name)}</div>
                    <div style="color:#999; font-size:11px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;" title="${esc(parentPath)}">${esc(parentPath || '/')}</div>
                </div>
                <div style="text-align:right; font-family:monospace; color:var(--pk-pri); font-weight:600;">${fmtSize(sizeNum)}</div>
                <div style="text-align:center;">
                    <button class="pk-btn" style="padding:2px 8px; font-size:11px; height:24px;" title="${L.tip_jump_to_folder}">${L.btn_jump}</button>
                </div>
            `;

            row.querySelector('button').onclick = () => {
                m.remove();

                const wasAnalyzeMode = S.analyzeMode;

                const cleanLineage = item.lineage.filter(x => x.id);

                S.analyzeMode = false;
                S.isFlattened = false;
                S.dupMode = false;
                if (UI.chkSearchPath) UI.chkSearchPath.checked = false;

                S.path =[{ id: '', name: getStrings().btn_nav_home }, ...cleanLineage];

                if (UI.lblGlobal) UI.lblGlobal.style.display = 'flex';
                if (UI.chkGlobal && wasAnalyzeMode && typeof S.wasGlobalChecked !== 'undefined') {
                    UI.chkGlobal.checked = S.wasGlobalChecked;
                }

                if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'flex';
                if (UI.scan) UI.scan.style.display = 'flex';

                load();
            };

            fragment.appendChild(row);
        });

        container.appendChild(fragment);

        m.querySelector('#pk_analyze_close').onclick = () => m.remove();
    }

    if (UI.btnExport) {
        UI.btnExport.onclick = async () => {
            if (S.trashMode) return;
            const curFolderId = S.path[S.path.length - 1].id || '';
            if (isPathBusy(curFolderId)) {
                showAlert(L.msg_op_blocked_exporting);
                return;
            }

            const format = await new Promise((resolve) => {
                const m = showModal(`
                    <h3 style="border:none; margin-bottom:0px; font-size:18px; font-weight:700; color:var(--pk-fg);">${L.title_export_format}</h3>
                    <div style="font-size:13px; color:#888; margin-bottom:20px; line-height:1.5;">${L.lbl_export_current}</div>
                    <div style="display:grid; grid-template-columns: 1fr 1fr; gap:20px; margin-bottom:25px;">
                        <div class="pk-exp-card act" data-fmt="tree" style="border:2px solid var(--pk-pri); border-radius:8px; padding:15px; cursor:pointer; position:relative; background:var(--pk-bg); transition:all 0.2s;">
                            <div class="pk-exp-check" style="position:absolute; top:0; right:0; width:24px; height:24px; background:var(--pk-pri); border-bottom-left-radius:8px; display:flex; align-items:center; justify-content:center; color:#fff;">
                                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>
                            </div>
                            <div class="pk-exp-title" style="font-weight:bold; margin-bottom:10px; color:var(--pk-pri); font-size:15px;">${L.opt_tree_view}</div>
                            <div style="font-size:12px; color:var(--pk-fg); line-height:1.5; font-family:Consolas, 'Courier New', monospace; opacity:0.8; white-space:pre; letter-spacing:0px;">Root\n├─ Folder 1\n│  ├─ Folder 1-1\n│  └─ Folder 1-2\n└─ Folder 2\n   └─ Folder 2-1</div>
                        </div>
                        <div class="pk-exp-card" data-fmt="list" style="border:2px solid var(--pk-bd); border-radius:8px; padding:15px; cursor:pointer; position:relative; background:var(--pk-bg); transition:all 0.2s;">
                            <div class="pk-exp-check" style="position:absolute; top:0; right:0; width:24px; height:24px; background:var(--pk-pri); border-bottom-left-radius:8px; display:none; align-items:center; justify-content:center; color:#fff;">
                                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>
                            </div>
                            <div class="pk-exp-title" style="font-weight:bold; margin-bottom:10px; color:var(--pk-fg); font-size:15px;">${L.opt_list_view}</div>
                            <div style="font-size:12px; color:var(--pk-fg); line-height:1.5; font-family:Consolas, 'Courier New', monospace; opacity:0.8; white-space:pre;">Root/Folder 1\nRoot/Folder 1/Folder 1-1\nRoot/Folder 1/Folder 1-2\nRoot/Folder 2\nRoot/Folder 2/Folder 2-1</div>
                        </div>
                    </div>
                    <div class="pk-modal-act">
                        <button class="pk-btn" id="exp_cancel" style="height:40px; padding:0 20px;">${L.btn_cancel}</button>
                        <button class="pk-btn pri" id="exp_confirm" style="height:40px; padding:0 30px; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold;">${L.btn_ok}</button>
                    </div>
                `);

                const modalBox = m.querySelector('.pk-modal');
                if (modalBox) {
                    modalBox.style.width = '520px';
                    modalBox.style.height = 'auto';
                    modalBox.style.minHeight = 'auto';

                    const closeBtn = m.querySelector('.pk-modal-close');
                    if (closeBtn) Object.assign(closeBtn.style, { top: '22px', right: '22px' });
                }

                let selectedFormat = 'tree';

                m.querySelectorAll('.pk-exp-card').forEach(card => {
                    card.onclick = () => {
                        m.querySelectorAll('.pk-exp-card').forEach(c => {
                            c.style.borderColor = 'var(--pk-bd)';
                            c.querySelector('.pk-exp-title').style.color = 'var(--pk-fg)';
                            c.querySelector('.pk-exp-check').style.display = 'none';
                            c.classList.remove('act');
                        });
                        card.style.borderColor = 'var(--pk-pri)';
                        card.querySelector('.pk-exp-title').style.color = 'var(--pk-pri)';
                        card.querySelector('.pk-exp-check').style.display = 'flex';
                        card.classList.add('act');
                        selectedFormat = card.dataset.fmt;
                    };
                });

                m.querySelector('#exp_cancel').onclick = () => { m.remove(); resolve(null); };
                m.querySelector('.pk-modal-close').onclick = () => { m.remove(); resolve(null); };
                m.querySelector('#exp_confirm').onclick = () => { m.remove(); resolve(selectedFormat); };

                m.tabIndex = 0;
                setTimeout(() => m.focus(), 10);
                m.addEventListener('keydown', (e) => {
                    if (e.key === 'Enter') {
                        e.preventDefault(); e.stopPropagation();
                        m.querySelector('#exp_confirm').click();
                    }
                });
            });

            if (!format) return;

            setLoad(true);
            S.scanning = true;
            S.scanId = (S.scanId || 0) + 1;
            const myScanId = S.scanId;

            if (S.scanAbortController) S.scanAbortController.abort();
            S.scanAbortController = new AbortController();
            const signal = S.scanAbortController.signal;

            let isRunning = true;
            UI.stopBtn.onclick = () => {
                isRunning = false;
                S.scanning = false;
                if (S.scanAbortController) S.scanAbortController.abort();
                updateLoadTxt(L.str_stopping);
            };

            const rootNode = S.path[S.path.length - 1];
            const startNodes =[{
                id: rootNode.id || '',
                name: rootNode.name || L.btn_nav_home,
                lineage: [],
                retryCount: 0
            }];

            const itemTree = new Map();

            try {
                await coreRecursiveEngine(startNodes, {
                    signal: signal,
                    onFolder: (folder, filesInFolder) => {
                        itemTree.set(folder.id, [...filesInFolder]);

                        if (typeof globalCache !== 'undefined' && !globalCache.has(folder.id)) {
                            globalCache.set(folder.id, [...filesInFolder]);
                        }

                        indexParents(folder.id, folder.name, filesInFolder);
                    },
                    onProgress: (st) => {
                        updateLoadTxt(`${L.msg_exporting}\n${L.str_folders}: ${st.folders} | ${L.str_files}: ${st.files}`);
                    }
                });

                if (!isRunning || signal.aborted || myScanId !== S.scanId) return;

                updateLoadTxt(L.str_processing);
                await sleep(50);

                const rootName = startNodes[0].name;
                let outputLines =[];
                const collator = new Intl.Collator(undefined, { numeric: true, sensitivity: 'base' });

                const sortItems = (items) => {
                    return items.sort((a, b) => {
                        if (a.kind !== b.kind) return a.kind === 'drive#folder' ? -1 : 1;
                        return collator.compare(a.name, b.name);
                    });
                };

                if (format === 'tree') {
                    outputLines.push(rootName);

                    const buildTree = (parentId, prefix) => {
                        const children = itemTree.get(parentId);
                        if (!children || children.length === 0) return;

                        const sorted = sortItems(children);
                        for (let i = 0; i < sorted.length; i++) {
                            const child = sorted[i];
                            const isLast = (i === sorted.length - 1);
                            const connector = isLast ? '└─ ' : '├─ ';
                            outputLines.push(prefix + connector + child.name);

                            if (child.kind === 'drive#folder') {
                                const childPrefix = prefix + (isLast ? '   ' : '│  ');
                                buildTree(child.id, childPrefix);
                            }
                        }
                    };

                    buildTree(startNodes[0].id, '');
                } else {
                    const buildList = (parentId, currentPath) => {
                        const children = itemTree.get(parentId);
                        if (!children || children.length === 0) return;

                        const sorted = sortItems(children);
                        for (let i = 0; i < sorted.length; i++) {
                            const child = sorted[i];
                            const fullPath = currentPath ? currentPath + '/' + child.name : child.name;
                            outputLines.push(fullPath);

                            if (child.kind === 'drive#folder') {
                                buildList(child.id, fullPath);
                            }
                        }
                    };

                    buildList(startNodes[0].id, rootName);
                }

                const outputText = outputLines.join('\r\n');
                const blob = new Blob([outputText], { type: 'text/plain;charset=utf-8' });
                const url = URL.createObjectURL(blob);

                const safeRootName = rootName.replace(/[\\/:*?"<>|]/g, '_');
                const a = document.createElement('a');
                a.href = url;
                a.download = `${safeRootName}_${format}.txt`;
                a.click();

                setTimeout(() => URL.revokeObjectURL(url), 1000);

            } catch (e) {
                if (e.name !== 'AbortError' && myScanId === S.scanId) {
                    showAlert(`${L.str_error}: ${e.message}`);
                }
            } finally {
                if (myScanId === S.scanId) {
                    setLoad(false);
                    S.scanning = false;
                    S.scanAbortController = null;
                    isGUISensitive = false;
                }
            }
        };
    }

    UI.btnNewFolder.onclick = async () => {
        const name = await showPrompt(L.msg_newfolder_prompt, '');
        if (!name) return;

        isGUISensitive = true;
        const cur = S.path[S.path.length - 1];
        const cacheKey = cur.id || 'root';

        try {
            await fetch('https://api-drive.mypikpak.com/drive/v1/files', { method: 'POST', headers: getHeaders(), body: JSON.stringify({ kind: 'drive#folder', parent_id: cur.id || '', name: name }) });

            if (cur.id) gmSet('pk_fmod_' + cur.id, new Date(getServerNow()).toISOString());

            await sleep(300);

            S.cache.delete(cacheKey);
            if (typeof globalCache !== 'undefined') globalCache.delete(cacheKey);

            if (typeof globalDirtyFolders !== 'undefined') {
                globalDirtyFolders.add(cacheKey === 'root' ? '' : cacheKey);
            }
            if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;

            if (cacheKey !== 'root') {
                scannedFolderIds.delete(cacheKey);
            }

            if (typeof runBackgroundCrawler === 'function') runBackgroundCrawler();

            load(false, true);
        } catch (e) {
            showAlert(`${L.str_error}: ${e.message}`);
        } finally {
            isGUISensitive = false;
        }
    };

    UI.btnCopy.onclick = async () => {
        const ids = S.getSelectedIds();
        const totalSelected = ids.length;
        if (totalSelected === 0) return;

        if (totalSelected > 10000) {
            showToast(L.str_copying);
            await sleep(10);
        }

        const itemList = [];
        let count = 0;
        for (const id of ids) {
            const item = S.itemMap.get(id);
            if (item) itemList.push(item);
            count++;
            if (count % 10000 === 0) await sleep(0);
        }

        S.clipItems = itemList;
        S.clipType = 'copy';

        const curId = S.path[S.path.length - 1].id || '';

        S.clipSourceParentId = S.isFlattened ? '__VIRTUAL__' : curId;

        setLoad(false);
        UI.btnPaste.disabled = false;
        showToast(L.msg_copy_done);
    };

    UI.btnCut.onclick = async () => {
        const ids = S.getSelectedIds();
        if (ids.length === 0) return;

        const itemList = [];
        let count = 0;

        for (const id of ids) {
            const item = S.itemMap.get(id);

            if (!S.trashMode && isSystemItem(item)) {
                continue;
            }

            itemList.push(item);
            count++;

            if (count % 10000 === 0) await sleep(0);
        }

        if (itemList.length === 0) return;

        if (itemList.length > 10000) {
            showToast(L.str_moving);
            await sleep(10);
        }

        S.clipItems = itemList;
        S.clipType = 'move';

        const curId = S.path[S.path.length - 1].id || '';

        S.clipSourceParentId = S.isFlattened ? '__VIRTUAL__' : curId;

        setLoad(false);
        UI.btnPaste.disabled = false;
        showToast(L.msg_cut_done);
    };

    UI.btnPaste.onclick = async () => {
        if (!S.clipItems || S.clipItems.length === 0) {
            showToast(L.msg_paste_empty, 'error');
            return;
        }

        if (S.movingIds && S.movingIds.size > 0) {
            showAlert(L.msg_op_blocked_moving);
            return;
        }

        const items = S.clipItems;
        const type = S.clipType;
        const srcId = S.clipSourceParentId;
        const destId = S.path[S.path.length - 1].id || '';
        const normalize = (id) => (!id || id === 'root') ? 'root' : id;

        S.clipItems = [];
        S.clipType = '';
        updateStat();

        const targetFolderName = S.path[S.path.length - 1].name || L.str_target_folder;
        await executeFileTransfer(items, type, normalize(srcId), normalize(destId), targetFolderName);
    };

    UI.btnRename.onclick = async () => {
        if (S.getSelectedCount() !== 1) return;

        const id = S.getSelectedIds()[0];
        const item = S.itemMap.get(id);
        if (!item || (!S.trashMode && isSystemItem(item))) return;

        const newName = await showPrompt(L.msg_rename_prompt, item.name, L.modal_rename_title);

        if (!newName || newName === item.name) return;

        let progressTask = null;
        try {
            progressTask = FloatBarManager.create(L.str_renaming);

            await apiAction(`/${id}`, { name: newName });

            item.name = newName;
            const nowIso = new Date(getServerNow()).toISOString();
            item.modified_time = nowIso;

            if (item.kind === 'drive#folder') gmSet('pk_fmod_' + item.id, nowIso);
            const parentIdForFmod = item.parent_id || 'root';
            gmSet('pk_fmod_' + parentIdForFmod, nowIso);

            const row = UI.in.querySelector(`.pk-row[data-id="${id}"]`);
            if (row && row.lastElementChild) {
                row.lastElementChild.textContent = fmtDate(nowIso);
                row.lastElementChild.style.transition = 'color 0.3s';
                row.lastElementChild.style.color = 'var(--pk-pri)';
                setTimeout(() => { if(row.lastElementChild) row.lastElementChild.style.color = ''; }, 2000);
            }

            const pid = item.parent_id || 'root';
            if (typeof globalCache !== 'undefined') {
                if (globalCache.has(pid)) {
                    const list = globalCache.get(pid);
                    const target = list.find(f => f.id === id);
                    if (target) target.name = newName;
                }
                globalDirtyFolders.add(pid === 'root' ? '' : pid);
                if (typeof runBackgroundCrawler === 'function') runBackgroundCrawler();
            }

            if (S.lastGlobalResults && S.lastGlobalResults.length > 0) {
                const globalTarget = S.lastGlobalResults.find(f => f.id === id);
                if (globalTarget) globalTarget.name = newName;
            }

            if (S.analyzeResultItems) {
                const anaItem = S.analyzeResultItems.find(x => x.id === id);
                if (anaItem) anaItem.name = newName;
            }
            if (S.analyzeMap && S.analyzeMap.has(id)) {
                S.analyzeMap.get(id).name = newName;
            }

            if (S.dupMode) renderDupView(); else refresh();

        } catch (e) {
            showAlert(`${L.str_error}: ${e.message}`);
        } finally {
            if (progressTask) progressTask.destroy();
        }
    };

    UI.btnBulkRename.onclick = () => {
        const selectedIds = S.getSelectedIds();
        const selectedCount = selectedIds.length;
        if (selectedCount < 2) return;

        if (S.movingIds && S.movingIds.size > 0) {
            const hasConflict = selectedIds.some(id => S.movingIds.has(id));
            if (hasConflict) {
                showAlert(L.msg_op_blocked_analyzing);
                return;
            }
        }

        const getSmartDisplayHTML = (fullStr, hlStr) => {
            if (!hlStr || hlStr.indexOf('§§§MATCH_START§§§') === -1) {
                return esc(fullStr);
            }

            const parts = hlStr.split(/(§§§MATCH_START§§§.*?§§§MATCH_END§§§)/g);
            let result = "";

            const PRE_CTX = 12;
            const SUF_CTX = 80;

            parts.forEach((part, index) => {
                if (part.startsWith('§§§MATCH_START§§§')) {
                    const content = part.replace(/§§§MATCH_START§§§|§§§MATCH_END§§§/g, '');
                    result += `<span style="background:#fff2cc;color:#d93025;font-weight:bold;border-radius:2px;padding:0 2px;">${esc(content)}</span>`;
                } else {
                    let text = part;

                    if (index === 0) {
                        if (text.length > PRE_CTX + 3) {
                            text = "..." + text.slice(-PRE_CTX);
                        }
                    }
                    else if (index === parts.length - 1) {
                        if (text.length > SUF_CTX) {
                            text = text.slice(0, SUF_CTX) + "...";
                        }
                    }
                    else {
                        if (text.length > 20) {
                            text = text.slice(0, 8) + ".." + text.slice(-8);
                        }
                    }
                    result += esc(text);
                }
            });
            return result;
        };

        const extractKeyword = (fileName) => {
            const fc2Regex = /(?:FC2|FC)(?:[-_. ]*PPV)?[-_. @]*(\d{5,8})(?:[-_. ]*(?:part|pt|cd)?[-_. ]?(\d{1,2}|[a-e]))?(?![a-z\d])/i;
            const fc2Match = fileName.match(fc2Regex);

            if (fc2Match) {
                const id = fc2Match[1];
                const part = fc2Match[2];
                return (part && part.trim()) ? `FC2-PPV-${id}-${part.toUpperCase()}` : `FC2-PPV-${id}`;
            }
            return null;
        };

        const inputStyle = `
            width:100%; height:44px; padding:0 15px;
            border:2px solid var(--pk-bd); border-radius:8px;
            background:var(--pk-bg); color:var(--pk-fg);
            font-size:14px; font-weight:600; outline:none;
            transition:border-color 0.2s; box-sizing:border-box;
        `;

        const labelStyle = `
            position:absolute; top:0; transform:translateY(-50%); left:10px;
            background:var(--pk-bg); padding:0 5px; line-height:1;
            font-size:11px; color:var(--pk-pri);
            font-weight:bold; pointer-events:none; z-index:1;
        `;

        const m = showModal(`
            <div style="display:flex; flex-direction:column; gap:20px; padding:10px 0;">

                <div>
                    <h3 style="margin:0; font-size:18px; font-weight:700; color:var(--pk-fg);">${L.modal_rename_multi_title}</h3>
                    <div style="font-size:12px; color:#888; margin-top:4px;">${L.rn_stat.replace('{n}', selectedCount).replace('{m}', '<span id="rn_stat_num">0</span>')}</div>
                </div>

                <div style="display:flex; gap:15px; align-items:center; flex-wrap:wrap;">
                    <label style="display:flex; align-items:center; cursor:pointer;">
                        <input type="radio" name="rn_mode" value="replace" checked style="accent-color:var(--pk-pri); transform:scale(1.2);">
                        <span style="margin-left:8px; font-weight:600; color:var(--pk-fg);">${L.label_replace}</span>
                    </label>
                    <label style="display:flex; align-items:center; cursor:pointer;">
                        <input type="radio" name="rn_mode" value="pattern" style="accent-color:var(--pk-pri); transform:scale(1.2);">
                        <span style="margin-left:8px; font-weight:600; color:var(--pk-fg);">${L.lbl_rn_mode_series}</span>
                    </label>
                    <label style="display:flex; align-items:center; cursor:pointer;">
                        <input type="radio" name="rn_mode" value="format" style="accent-color:var(--pk-pri); transform:scale(1.2);">
                        <span style="margin-left:8px; font-weight:600; color:var(--pk-fg);">${L.lbl_rn_mode_format}</span>
                    </label>
                    <label style="display:flex; align-items:center; cursor:pointer;">
                        <input type="radio" name="rn_mode" value="jav" style="accent-color:var(--pk-pri); transform:scale(1.2);">
                        <span style="margin-left:8px; font-weight:600; color:var(--pk-fg);">${L.label_jav}</span>
                    </label>
                    <label style="display:flex; align-items:center; cursor:pointer;">
                        <input type="radio" name="rn_mode" value="ad_remove" style="accent-color:var(--pk-pri); transform:scale(1.2);">
                        <span style="margin-left:8px; font-weight:600; color:var(--pk-fg);">${L.lbl_rn_mode_ad}</span>
                    </label>
                    <label style="display:flex; align-items:center; cursor:pointer;">
                        <input type="radio" name="rn_mode" id="rb_ext_fix" value="ext_fix" style="accent-color:var(--pk-pri); transform:scale(1.2);">
                        <span style="margin-left:8px; font-weight:600; color:var(--pk-fg);">${L.lbl_rn_mode_ext}</span>
                    </label>
                </div>

                <div id="rn_inputs_area" style="min-height:85px; display:flex; flex-direction:column; justify-content:center;">
                    <div id="group_replace" style="position:relative; display:flex; flex-direction:column; gap:15px;">
                        <div style="position:absolute; top:-32px; right:0; display:flex; justify-content:flex-end; gap:15px; padding-right:5px;">
                            <label style="cursor:pointer; font-size:12px; color:var(--pk-fg); display:flex; align-items:center; gap:4px; user-select:none;">
                                <input type="checkbox" id="rn_include_ext" style="accent-color:var(--pk-pri);"> ${L.label_include_ext}
                            </label>
                            <label style="cursor:pointer; font-size:12px; color:var(--pk-fg); display:flex; align-items:center; gap:4px; user-select:none;">
                                <input type="checkbox" id="rn_case_sense" style="accent-color:var(--pk-pri);"> ${L.label_replace_note}
                            </label>
                            <label style="cursor:pointer; font-size:12px; color:var(--pk-fg); display:flex; align-items:center; gap:4px; user-select:none;">
                                <input type="checkbox" id="rn_regex" style="accent-color:var(--pk-pri);"> ${L.label_regex}
                            </label>
                        </div>
                        <div style="display:flex; gap:15px;">
                            <div style="position:relative; flex:1;">
                                <input type="text" id="rn_find" placeholder="${L.placeholder_find}" autocomplete="off" style="${inputStyle}">
                                <div style="${labelStyle}">${L.label_replace_find}</div>
                            </div>
                            <div style="position:relative; flex:1;">
                                <input type="text" id="rn_rep" placeholder="${L.placeholder_replace}" autocomplete="off" style="${inputStyle}">
                                <div style="${labelStyle}">${L.label_replace_to}</div>
                            </div>
                        </div>
                    </div>

                    <div id="group_format" style="display:none; gap:15px; align-items: flex-start;">
                        <div class="pk-custom-select" id="cs_rn_case" style="flex:1;">
                            <div class="pk-select-label">${L.lbl_rn_case_convert}</div>
                            <div class="pk-select-trigger"><span id="txt_rn_case">${L.btn_ok}</span>${CONF.crumbIcons.down}</div>
                            <div class="pk-select-menu pk-scroll">
                                <div class="pk-select-item act" data-val="">${L.btn_ok}</div>
                                <div class="pk-select-item" data-val="lower">${L.opt_rn_lower}</div>
                                <div class="pk-select-item" data-val="upper">${L.opt_rn_upper}</div>
                                <div class="pk-select-item" data-val="title">${L.opt_rn_title}</div>
                            </div>
                        </div>
                        <div class="pk-custom-select" id="cs_rn_width" style="flex:1;">
                            <div class="pk-select-label">${L.lbl_rn_width_convert}</div>
                            <div class="pk-select-trigger"><span id="txt_rn_width">${L.btn_ok}</span>${CONF.crumbIcons.down}</div>
                            <div class="pk-select-menu pk-scroll">
                                <div class="pk-select-item act" data-val="">${L.btn_ok}</div>
                                <div class="pk-select-item" data-val="half">${L.opt_rn_width_half}</div>
                                <div class="pk-select-item" data-val="full">${L.opt_rn_width_full}</div>
                            </div>
                        </div>
                    </div>

                    <div id="group_pattern" style="position:relative; display:none;">
                        <input type="text" id="rn_pattern" value="Video {n}" placeholder="Video {n}" style="${inputStyle}">
                        <div style="${labelStyle}">${L.lbl_rn_pattern}</div>
                    </div>

                    <div id="group_jav"
                         style="display:none; padding:15px; background:var(--pk-hl); border:2px dashed var(--pk-bd); border-radius:8px; color:var(--pk-fg); font-size:13px; text-align:center; user-select:none;">
                        ${L.tip_jav_mode_desc}
                    </div>

                    <div id="group_ad_remove"
                         style="display:none; padding:15px; background:var(--pk-hl); border:2px dashed var(--pk-bd); border-radius:8px; color:var(--pk-fg); font-size:13px; text-align:center; user-select:none;">
                        ${L.tip_ad_remove_desc}
                    </div>

                    <div id="group_ext_fix"
                         style="display:none; padding:15px; background:var(--pk-hl); border:2px dashed var(--pk-bd); border-radius:8px; color:var(--pk-fg); font-size:13px; text-align:center; user-select:none;">
                        ${L.tip_ext_fix_desc}
                    </div>

                </div>

                <div style="position:relative; flex:1; min-height:300px;">
                    <div style="position:absolute; inset:0; border:2px solid var(--pk-bd); border-radius:8px; display:flex; flex-direction:column; overflow:hidden;">
                        <div style="display:flex; padding:12px 20px 12px 0; background:var(--pk-bg); border-bottom:1px dashed var(--pk-bd); color:#888; font-size:12px; font-weight:bold;">
                            <div id="rn_cb_wrapper" style="width:50px; display:flex; justify-content:center; visibility: hidden;">
                                <input type="checkbox" id="rn_cb_all" checked style="accent-color:var(--pk-pri); cursor:pointer;">
                            </div>
                            <div style="width:36px; display:flex; align-items:center; justify-content:flex-start;">${L.col_type}</div>
                            <div style="flex:1;">${L.col_old}</div>
                            <div style="width:30px;"></div>
                            <div style="flex:1;">${L.col_new}</div>
                        </div>
                        <div id="pk-rn-vp" style="flex:1; overflow-y:auto; padding:0;">
                            <div id="pk-rn-in" style="position:relative;">
                                <div style="padding:40px; text-align:center; color:#888;">${L.rn_tip_wait}</div>
                            </div>
                        </div>
                    </div>
                    <div style="${labelStyle}">${L.lbl_rn_preview_title}</div>
                </div>

                <div class="pk-modal-act" style="display:grid; grid-template-columns: 1fr 1fr; gap:15px; margin-top:5px;">
                    <button class="pk-btn" id="rn_cancel" style="height:44px; justify-content:center; background:transparent; font-weight:600; font-size:15px; border-radius:8px;">${L.btn_cancel}</button>
                    <button class="pk-btn pri" id="rn_apply" disabled style="height:44px; justify-content:center; border-radius:8px; font-weight:bold; font-size:15px; border:none; background:var(--pk-pri); color:#fff;">${L.btn_ok}</button>
                </div>
            </div>
        `);

        const modalBox = m.querySelector('.pk-modal');
        Object.assign(modalBox.style, { width: '800px', maxWidth: '95vw', padding: '30px', borderRadius: '12px' });
        const closeBtn = m.querySelector('.pk-modal-close');
        if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });

        const radios = m.querySelectorAll('input[name="rn_mode"]');
        const groupsRaw = {
            jav: m.querySelector('#group_jav'),
            pattern: m.querySelector('#group_pattern'),
            replace: m.querySelector('#group_replace')
        };
        const inpPattern = m.querySelector('#rn_pattern');
        const inpFind = m.querySelector('#rn_find');
        const inpRep = m.querySelector('#rn_rep');
        const chkRegex = m.querySelector('#rn_regex');
        const chkCase = m.querySelector('#rn_case_sense');
        const chkIncludeExt = m.querySelector('#rn_include_ext');
        const btnApply = m.querySelector('#rn_apply');
        const rnVp = m.querySelector('#pk-rn-vp');
        const rnIn = m.querySelector('#pk-rn-in');
        const txtStatNum = m.querySelector('#rn_stat_num');

        const bindFocus = (el) => {
            el.onfocus = () => el.style.borderColor = 'var(--pk-pri)';
            el.onblur = () => el.style.borderColor = 'var(--pk-bd)';
        };
        [inpPattern, inpFind, inpRep].forEach(bindFocus);

        const updateInputs = () => {
            const mode = m.querySelector('input[name="rn_mode"]:checked').value;

            const groups = {
                'replace': m.querySelector('#group_replace'),
                'pattern': m.querySelector('#group_pattern'),
                'jav': m.querySelector('#group_jav'),
                'format': m.querySelector('#group_format'),
                'ad_remove': m.querySelector('#group_ad_remove'),
                'ext_fix': m.querySelector('#group_ext_fix')
            };

            Object.keys(groups).forEach(k => {
                if (groups[k]) {
                    let displayStyle = 'block';
                    if (k === 'replace' || k === 'format') displayStyle = 'flex';

                    groups[k].style.display = (k === mode) ? displayStyle : 'none';
                }
            });

            plannedChanges = [];
            rnDisplay = [];
            previewSelectedIds.clear();
            const initialTip = (mode === 'jav') ? L.rn_tip_jav : L.rn_tip_wait;
            rnIn.innerHTML = `<div style="padding:40px; text-align:center; color:#888;">${initialTip}</div>`;
            txtStatNum.innerText = "0";
            btnApply.disabled = true;

            const cbWrapper = m.querySelector('#rn_cb_wrapper');
            const cbAll = m.querySelector('#rn_cb_all');
            if (cbWrapper) cbWrapper.style.visibility = 'hidden';
            if (cbAll) { cbAll.checked = false; cbAll.indeterminate = false; }

            generatePreview();
        };
        radios.forEach(r => r.onchange = updateInputs);

        const setupInputHistory = (inputEl, storageKey) => {
            const pop = document.createElement('div');
            pop.className = 'pk-hist-pop';
            pop.style.cssText = "position:absolute; top:calc(100% + 5px); left:0; right:0; z-index:9999; display:none; flex-direction:column;";
            inputEl.parentNode.appendChild(pop);

            const loadHist = () => { try { return JSON.parse(gmGet(storageKey, '[]')); } catch { return []; } };

            const saveHist = (val) => {
                if (val === null || val === undefined) return;
                let list = loadHist();
                list = list.filter(x => x !== val);
                list.unshift(val);
                if (list.length > 3) list = list.slice(0, 3);
                gmSet(storageKey, JSON.stringify(list));
            };

            const render = () => {
                const list = loadHist();
                if (list.length === 0) { pop.style.display = 'none'; return; }

                document.querySelectorAll('.pk-hist-pop').forEach(p => p.style.display = 'none');

                let html = `<div class="pk-hist-hd"><span>${L.title_search_hist}</span><span class="pk-hist-clear-btn" id="pk-hist-del" style="cursor:pointer; opacity:0.8;">${L.btn_clear_hist}</span></div>`;

                list.forEach(txt => {
                    const displayTxt = txt === "" ? L.str_empty_str : (txt.replace(/\s/g, '') === "" ? `"${txt}"` : txt);

                    html += `<div class="pk-select-item" data-raw="${esc(txt)}" style="display:flex; align-items:center; gap:10px; padding:8px 12px;">
                        <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" style="flex-shrink:0; opacity:0.5;">
                            <circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/>
                        </svg>
                        <span style="overflow:hidden; text-overflow:ellipsis; white-space:nowrap; flex:1;">${esc(displayTxt)}</span>
                    </div>`;
                });

                pop.innerHTML = html;
                pop.style.display = 'flex';

                pop.querySelector('#pk-hist-del').onclick = (e) => {
                    e.stopPropagation();
                    gmSet(storageKey, '[]');
                    pop.style.display = 'none';
                };
                pop.querySelectorAll('.pk-select-item').forEach(el => {
                    el.onclick = (e) => {
                        e.stopPropagation();
                        const val = el.getAttribute('data-raw');
                        inputEl.value = val;
                        pop.style.display = 'none';
                        generatePreview();
                    };
                });
            };

            inputEl.addEventListener('focus', render);
            inputEl.addEventListener('click', (e) => { e.stopPropagation(); render(); });

            const closeHandler = (e) => {
                if (!inputEl || !pop || !pop.parentNode) return;
                if (!inputEl.contains(e.target) && !pop.contains(e.target)) pop.style.display = 'none';
            };

            setTimeout(() => document.addEventListener('click', closeHandler), 0);
            return { save: saveHist };
        };

        const findHist = setupInputHistory(inpFind, 'pk_bn_find_hist');
        const repHist = setupInputHistory(inpRep, 'pk_bn_rep_hist');

        const RN_ROW_HEIGHT = 40;
        const RN_BUFFER = 15;
        let rnDisplay = [];
        let plannedChanges = [];
        let previewSelectedIds = new Set();
        let isRnScrollScheduled = false;
        let currentPreviewId = 0;

        const VALID_EXTS_LIST = [
            'mp4', 'mkv', 'avi', 'mov', 'wmv', 'm4v', 'flv', '3gp', 'webm', 'ts', 'm2ts', 'mts', 'vob', 'mpg', 'mpeg', 'rm', 'rmvb', 'asf', 'divx', 'f4v', 'ogv', 'm2v', 'mpe',
            'mp3', 'aac', 'flac', 'wav', 'ogg', 'm4a', 'wma', 'opus', 'ape', 'alac', 'aiff', 'mid', 'midi', 'amr', 'mka', 'dts', 'ac3',
            'jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp', 'svg', 'tif', 'tiff', 'heic', 'raw', 'ico', 'psd', 'ai', 'eps', 'cdr',
            'srt', 'ass', 'ssa', 'vtt', 'smi', 'sub', 'idx', 'sup', 'lrc',
            'zip', 'rar', '7z', 'tar', 'gz', 'bz2', 'xz', 'iso', 'img', 'dmg', 'pkg', 'apk', 'ipa', 'exe', 'msi', 'torrent', 'nzb',
            'pdf', 'txt', 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'epub', 'mobi', 'azw3', 'cbz', 'cbr', 'md', 'rtf', 'csv', 'log', 'ini', 'cfg',
            'html', 'htm', 'css', 'js', 'json', 'xml', 'php', 'py', 'java', 'c', 'cpp'
        ];
        const VALID_EXTS = new Set(VALID_EXTS_LIST);

        const recalcPatternNames = () => {
            const mode = m.querySelector('input[name="rn_mode"]:checked').value;
            if (mode !== 'pattern') return;

            const pattern = inpPattern.value;
            let counter = 1;

            rnDisplay.forEach(item => {
                const originalItem = S.itemMap.get(item.id);
                const isFolder = originalItem?.kind === 'drive#folder';
                const isSelected = previewSelectedIds.has(item.id);

                if (isSelected && !isFolder) {
                    let ext = '';
                    const oldName = item.old;
                    const lastDotIndex = oldName.lastIndexOf('.');
                    if (lastDotIndex > 0) {
                        const potentialExt = oldName.substring(lastDotIndex + 1).toLowerCase();
                        if (VALID_EXTS.has(potentialExt)) ext = '.' + potentialExt;
                    }

                    const newName = pattern.replace(/{n}/g, String(counter).padStart(2, '0')) + ext;

                    item.new = newName;
                    item.newNameHTML = `<span style="color:var(--pk-pri);font-weight:bold;">${esc(newName)}</span>`;

                    counter++;
                } else {
                    item.new = item.old;
                    item.newNameHTML = `<span style="color:#aaa;text-decoration:line-through;">${esc(item.old)}</span>`;
                }
            });
        };

        const updateHeaderCheckbox = () => {
            const cbAll = m.querySelector('#rn_cb_all');
            if (!cbAll) return;
            const total = plannedChanges.length;
            const count = previewSelectedIds.size;
            cbAll.checked = total > 0 && count === total;
            cbAll.indeterminate = count > 0 && count < total;

            const validCount = rnDisplay.filter(c => c.new !== c.old && previewSelectedIds.has(c.id)).length;
            btnApply.disabled = validCount === 0;

            txtStatNum.style.display = 'inline';
            txtStatNum.innerHTML = `<span style="color:var(--pk-pri); font-weight:600;">${validCount}</span><span style="margin:0 2px;">/</span>${total}`;
        };

        const renderRNVisible = () => {
            const top = rnVp.scrollTop;
            const h = rnVp.clientHeight;
            const totalHeight = rnDisplay.length * RN_ROW_HEIGHT;
            rnIn.style.height = `${totalHeight}px`;

            const start = Math.max(0, Math.floor(top / RN_ROW_HEIGHT) - RN_BUFFER);
            const end = Math.min(rnDisplay.length, Math.ceil((top + h) / RN_ROW_HEIGHT) + RN_BUFFER);

            rnIn.innerHTML = '';
            const fragment = document.createDocumentFragment();

            const rowStyle = `
                display: flex; align-items: center;
                height: ${RN_ROW_HEIGHT}px; padding-right: 20px;
                border-bottom: 1px dashed #f0f0f0;
                box-sizing: border-box; font-size: 13px;
                color: var(--pk-fg);
            `;

            for (let i = start; i < end; i++) {
                const c = rnDisplay[i];
                if (!c) continue;
                const row = document.createElement('div');
                row.style.cssText = `position:absolute; top:${i * RN_ROW_HEIGHT}px; width:100%;` + rowStyle;

                let finalDisplayHTML = esc(c.old);
                if (c.hl_old) {
                    finalDisplayHTML = getSmartDisplayHTML(c.old, c.hl_old);
                }

                const isChecked = previewSelectedIds.has(c.id);

                const it = S.itemMap.get(c.id);
                let iconHtml = '';
                let thumbAttr = '';
                if (it) {
                    const isFolder = it.kind === 'drive#folder';
                    const mime = (it.mime_type || '').toLowerCase();
                    const isMedia = mime.startsWith('video/') || mime.startsWith('image/');
                    const hasCover = it.thumbnail_link && it.thumbnail_link !== it.icon_link;
                    const fallbackSvg = getIcon(it).replace(/width="\d+"/, 'width="24"').replace(/height="\d+"/, 'height="24"');

                    if (hasCover) {
                        thumbAttr = `data-pk-thumb="${it.thumbnail_link}"`;
                    }

                    if (!isFolder && isMedia && hasCover) {
                        iconHtml = `<img src="${it.thumbnail_link}" style="width:24px;height:24px;object-fit:cover;border-radius:4px;flex-shrink:0;" onerror="this.style.display='none';this.nextElementSibling.style.display='inline-flex';">`;
                        const secondFallback = it.icon_link
                            ? `<img src="${it.icon_link}" style="width:24px;height:24px;object-fit:contain;flex-shrink:0;" onerror="this.style.display='none';this.nextElementSibling.style.display='inline-flex';"><span style="display:none;align-items:center;">${fallbackSvg}</span>`
                            : fallbackSvg;
                        iconHtml += `<span style="display:none;align-items:center;justify-content:center;">${secondFallback}</span>`;
                    } else {
                        const iconSrc = it.icon_link;
                        iconHtml = iconSrc
                            ? `<img src="${iconSrc}" style="width:24px;height:24px;object-fit:contain;flex-shrink:0;" onerror="this.style.display='none';if(this.nextElementSibling)this.nextElementSibling.style.display='inline-flex';"><span style="display:none;align-items:center;flex-shrink:0;">${fallbackSvg}</span>`
                            : fallbackSvg;
                    }
                }

                row.innerHTML = `
                    <div style="width:50px; display:flex; justify-content:center; align-items:center; cursor:pointer;" class="rn-row-cb-area">
                        <input type="checkbox" class="rn-item-cb" ${isChecked ? 'checked' : ''} style="accent-color:var(--pk-pri); cursor:pointer;">
                    </div>
                    <div style="width:36px; display:flex; align-items:center; justify-content:flex-start;" ${thumbAttr}>${iconHtml}</div>
                    <div style="flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;" data-pk-tip="${esc(c.old)}" ${thumbAttr}>${finalDisplayHTML}</div>
                    <div style="width:30px; text-align:center; color:#ccc;">➜</div>

                    <div style="flex:1; display:flex; align-items:center; overflow:hidden;">
                        <div style="flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;" data-pk-tip="${esc(c.new)}">
                            ${c.newNameHTML}
                        </div>
                        ${c.conflict ? `<div style="color:#d93025; font-size:10px; margin-left:6px; flex-shrink:0; background:rgba(217,48,37,0.1); padding:0 4px; border-radius:4px; white-space:nowrap;">${L.str_name_conflict}</div>` : ''}
                    </div>
                `;

                const toggleRow = () => {
                    const targetId = c.id;
                    if (previewSelectedIds.has(targetId)) previewSelectedIds.delete(targetId);
                    else previewSelectedIds.add(targetId);

                    recalcPatternNames();

                    renderRNVisible();
                    updateHeaderCheckbox();
                };

                row.onclick = () => {
                    toggleRow();
                };

                fragment.appendChild(row);
            }
            rnIn.appendChild(fragment);
        };

        rnVp.onscroll = () => {
            if (!isRnScrollScheduled) {
                requestAnimationFrame(() => { renderRNVisible(); isRnScrollScheduled = false; });
                isRnScrollScheduled = true;
            }
        };

        const handlePreviewResults = (changes, error) => {
            if (error) {
                rnIn.innerHTML = `<div style="padding:40px; text-align:center; color:#d93025;">❌ ${L.err_worker}: ${esc(error)}</div>`;
                return;
            }
            plannedChanges = changes;

            previewSelectedIds = new Set(changes.map(c => c.id));

            rnDisplay = changes.map(c => {
                let newH = esc(c.new);
                if (c.new !== c.old) {
                    newH = `<span style="color:var(--pk-pri);font-weight:bold;">${newH}</span>`;
                }
                return {
                    id: c.id,
                    old: c.old,
                    new: c.new,
                    hl_old: c.hl_old,
                    newNameHTML: newH,
                    conflict: c.conflict
                };
            });

            recalcPatternNames();

            const cbWrapper = m.querySelector('#rn_cb_wrapper');
            const cbAll = m.querySelector('#rn_cb_all');

            if (rnDisplay.length === 0) {
                const mode = m.querySelector('input[name="rn_mode"]:checked').value;
                const selectedIds = S.getSelectedIds();
                const selectedIdSet = new Set(selectedIds);
                const selectedItems = S.display.filter(i => !i.isHeader && selectedIdSet.has(i.id));
                const isSeriesFolderOnly = mode === 'pattern' && selectedItems.length > 0 && selectedItems.every(i => i.kind === 'drive#folder');
                rnIn.innerHTML = `<div style="padding:40px; text-align:center; color:#888;">${isSeriesFolderOnly ? L.rn_tip_series_folder_only : L.rn_tip_none}</div>`;
                txtStatNum.innerText = "0";
                btnApply.disabled = true;
                if (cbWrapper) cbWrapper.style.visibility = 'hidden';
                if (cbAll) { cbAll.checked = false; cbAll.disabled = true; }
            } else {
                rnVp.scrollTop = 0;
                renderRNVisible();
                updateHeaderCheckbox();
                if (cbWrapper) cbWrapper.style.visibility = 'visible';
                if (cbAll) cbAll.disabled = false;
                btnApply.disabled = false;
            }
        };

        const javState = {
            isRunning: false,
            runId: 0,
            signature: '',
            cache: new Map(),
            completed: 0,
            total: 0,
            ui: null,
            activePlannedMap: new Map(),
            activeNames: new Set()
        };

        const generatePreview = async () => {
            const myPreviewId = ++currentPreviewId;
            const mode = m.querySelector('input[name="rn_mode"]:checked').value;

            rnDisplay = [];
            plannedChanges = [];
            rnIn.innerHTML = '';

            const pattern = inpPattern.value;
            const findStr = inpFind.value;
            const repStr = inpRep.value || '';
            const useRegex = chkRegex.checked;
            const useIncludeExt = chkIncludeExt.checked;
            const caseMode = selectedCase;
            const widthMode = selectedWidth;
            const useCaseSense = m.querySelector('#rn_case_sense').checked;

            let isRuleActive = true;
            if (mode === 'replace') isRuleActive = !!findStr;
            else if (mode === 'format') isRuleActive = !!(caseMode || widthMode);
            else if (mode === 'pattern') isRuleActive = !!pattern;

            if (!isRuleActive && mode !== 'jav' && mode !== 'ad_remove' && mode !== 'ext_fix') {
                plannedChanges = [];
                rnDisplay = [];
                previewSelectedIds.clear();
                rnIn.innerHTML = `<div style="padding:40px; text-align:center; color:#888;">${L.rn_tip_wait}</div>`;
                txtStatNum.innerText = "0";
                btnApply.disabled = true;
                const cbWrapper = m.querySelector('#rn_cb_wrapper');
                if (cbWrapper) cbWrapper.style.visibility = 'hidden';
                return;
            }

            if (mode === 'replace') {
                if (findStr) findHist.save(findStr);
                if (repStr) repHist.save(repStr);
            }

            const cbWrapper = m.querySelector('#rn_cb_wrapper');
            if (cbWrapper) cbWrapper.style.visibility = 'hidden';

            rnIn.innerHTML = `<div style="padding:40px; text-align:center; color:var(--pk-pri); display:flex; flex-direction:column; align-items:center; gap:10px;">
                <div class="pk-spinner"></div>
                <div>${L.str_calc_changes}</div>
            </div>`;
            btnApply.disabled = true;
            txtStatNum.innerText = "...";
            plannedChanges = []; rnDisplay = []; previewSelectedIds = new Set();
            const cbAll = m.querySelector('#rn_cb_all');
            if(cbAll) { cbAll.checked = false; cbAll.indeterminate = false; }

            const selectedIds = S.getSelectedIds();
            const selectedIdSet = new Set(selectedIds);
            const items = S.display.filter(i => !i.isHeader);

            if (false) {
                const targetIds =[];
                for (let i = 0; i < items.length; i++) {
                    const item = items[i];
                    const id = item.id;

                    if (!selectedIdSet.has(id)) continue;

                    if (isSystemItem(item)) continue;
                    const isFolder = item.kind === 'drive#folder';
                    const mime = (item.mime_type || '').toLowerCase();
                    const duration = (item.params && item.params.duration) || 0;
                    const isVideo = !isFolder && (mime.startsWith('video/') || duration > 0);

                    if ((isFolder || isVideo) && extractKeyword(item.name)) {
                        targetIds.push(id);
                    }
                }

                if (targetIds.length === 0) {
                    rnIn.innerHTML = `<div style="padding:40px; text-align:center; color:#888;">${L.rn_tip_none}</div>`;
                    txtStatNum.innerText = "0";
                    btnApply.disabled = true;
                    javState.isRunning = false;
                    return;
                }

                const sigIds = targetIds.length > 200
                    ? targetIds.slice(0, 100).concat(targetIds.slice(-100))
                    : targetIds;
                const currentSignature = [...sigIds].sort().join('|') + `_len_${targetIds.length}`;

                const isSameSelection = (currentSignature === javState.signature);

                if (!isSameSelection) {
                    javState.runId++;
                    javState.signature = currentSignature;
                    javState.cache.clear();
                    javState.completed = 0;
                    javState.total = targetIds.length;
                    javState.isRunning = false;
                }

                const changes = targetIds.map(id => {
                    const item = S.itemMap.get(id);
                    const cached = javState.cache.get(id);
                    if (cached) {
                        return {
                            id: item.id, old: item.name, new: cached.new,
                            hl_old: cached.hlOld, conflict: cached.conflict, parent_id: item.parent_id
                        };
                    } else {
                        return {
                            id: item.id, old: item.name, new: item.name,
                            hl_old: null, conflict: false, parent_id: item.parent_id
                        };
                    }
                });

                handlePreviewResults(changes, null);

                const plannedMap = new Map();
                plannedChanges.forEach(c => plannedMap.set(c.id, c));

                const displayMap = new Map();
                javState.activePlannedMap.clear();

                plannedChanges.forEach(c => javState.activePlannedMap.set(c.id, c));
                javState.activeNames = new Set(items.map(i => i.name));

                rnDisplay.forEach(d => {
                    displayMap.set(d.id, d);
                    const cached = javState.cache.get(d.id);
                    if (cached) {
                        if (cached.new === d.old) {
                             d.newNameHTML = `<span style="color:#aaa;">${L.str_jav_no_match}</span>`;
                        } else {
                             d.newNameHTML = `<span style="color:var(--pk-pri);font-weight:bold;">${esc(cached.new)}</span>`;
                        }
                        if (cached.hlOld) {
                             d.hl_old = cached.hlOld;
                        }
                    } else {
                        d.newNameHTML = `<span style="color:#888; display:flex; align-items:center; gap:6px; font-style:italic;"><svg width="14" height="14" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" style="animation:pk-spin 1s linear infinite"><path d="M12 2A10 10 0 1 0 22 12A10 10 0 0 0 12 2Zm0 18a8 8 0 1 1 8-8A8 8 0 0 1 12 20Z" opacity=".25" fill="currentColor"/><path d="M12 4a8 8 0 0 1 7.89 6.7 1 1 0 0 0 1.95-.48A10 10 0 0 0 12 2Z" fill="currentColor"/></svg> ${L.str_jav_querying}</span>`;
                    }
                });

                if (!document.getElementById('pk-spin-style')) {
                    const style = document.createElement('style');
                    style.id = 'pk-spin-style';
                    style.innerHTML = `@keyframes pk-spin { 100% { transform: rotate(360deg); } }`;
                    document.head.appendChild(style);
                }

                const updateProgress = () => {
                    if(!txtStatNum) return;
                    txtStatNum.style.display = 'inline-flex';
                    txtStatNum.style.alignItems = 'baseline';
                    txtStatNum.style.gap = '8px';

                    txtStatNum.innerHTML = `
                        <div style="width:80px; height:4px; background:#eee; border-radius:2px; overflow:hidden; flex-shrink:0; display:inline-block; align-self:center; transform:translateY(2px);">
                            <div style="width:${(javState.completed / javState.total) * 100}%; height:100%; background:var(--pk-pri); transition:width 0.2s;"></div>
                        </div>
                        <span style="display:inline-flex; align-items:baseline; gap:2px; color:inherit; vertical-align:baseline;">
                            <span style="color:var(--pk-pri); font-weight:600;">${javState.completed}</span>
                            <span style="opacity:0.6;">/</span>
                            <span>${javState.total}</span>
                        </span>`;
                };

                javState.ui = {
                    displayMap: displayMap,
                    render: renderRNVisible,
                    updateProgress: updateProgress
                };

                renderRNVisible();

                if (isSameSelection && (javState.isRunning || javState.completed === javState.total)) {
                    updateProgress();
                    if (javState.completed === javState.total) {
                        if (rnVp) rnVp.scrollTop = 0;
                        renderRNVisible();

                        btnApply.disabled = false;
                        updateHeaderCheckbox();
                        const validCount = plannedChanges.filter(c => c.new !== c.old && !c.conflict).length;
                        txtStatNum.innerHTML = `<b style="color:var(--pk-pri)">${validCount}</b> / ${javState.total}`;
                    }
                    return;
                }

                javState.isRunning = true;
                const currentRunId = javState.runId;
                btnApply.disabled = true;
                updateProgress();

                const allNames = new Set(items.map(i => i.name));
                const queue = targetIds.filter(id => !javState.cache.has(id));

                if (queue.length === 0) {
                     javState.isRunning = false;
                     btnApply.disabled = false;
                     updateHeaderCheckbox();
                     return;
                }

                let lastRenderTime = 0;

                const processItem = async (id) => {
                    if (currentRunId !== javState.runId || !document.body.contains(m)) return;

                    const item = S.itemMap.get(id);
                    if (!item) { javState.completed++; updateProgress(); return; }

                    const oldName = item.name;
                    let ext = '';

                    if (item.kind !== 'drive#folder') {
                        const extIndex = oldName.lastIndexOf('.');
                        if (extIndex > 0) {
                            const potentialExt = oldName.substring(extIndex + 1).toLowerCase();
                            if (VALID_EXTS.has(potentialExt)) {
                                ext = oldName.substring(extIndex);
                            }
                        }
                    }

                    const code = extractKeyword(oldName);

                    let newName = oldName;
                    let hlOld = null;
                    let displayHTML = `<span style="color:#aaa;">${L.str_jav_no_match}</span>`;

                    if (code) {
                        try {
                            const parts = code.split(/[^a-zA-Z0-9]+/).filter(p => p.length > 0);
                            if (parts.length > 0) {
                                const escapedParts = parts.map(p => p.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'));
                                const pattern = `(${escapedParts.join('|')})`;
                                const re = new RegExp(pattern, 'gi');
                                hlOld = oldName.replace(re, (m) => '§§§MATCH_START§§§' + m + '§§§MATCH_END§§§');
                            }
                        } catch(e) {}

                        newName = code + ext;
                        displayHTML = `<span style="color:var(--pk-pri);font-weight:bold;">${esc(newName)}</span>`;
                    }

                    let isConflict = false;
                    if (newName !== oldName) {
                         if (javState.activeNames.has(newName)) isConflict = true;
                         else javState.activeNames.add(newName);
                    }
                    javState.cache.set(id, { new: newName, hlOld, conflict: isConflict });
                    javState.completed++;

                    const currentMode = m.querySelector('input[name="rn_mode"]:checked').value;
                    if (currentMode === 'jav' && currentRunId === javState.runId && javState.ui) {
                        const displayItem = javState.ui.displayMap.get(id);
                        const planItem = javState.activePlannedMap.get(id);

                        if (displayItem) {
                            displayItem.new = newName;
                            displayItem.hl_old = hlOld;
                            displayItem.newNameHTML = displayHTML;
                            if (isConflict) displayItem.conflict = true;

                            if (planItem) {
                                planItem.new = newName;
                                planItem.hl_old = hlOld;
                                planItem.conflict = isConflict;
                            }

                            javState.ui.updateProgress();

                            const now = Date.now();
                            if (now - lastRenderTime > 500) {
                                javState.ui.render();
                                updateHeaderCheckbox();
                                lastRenderTime = now;
                            }
                        }
                    }
                };

                const CONCURRENCY = 6;
                await Promise.all(Array.from({ length: CONCURRENCY }).map(async () => {
                    while (queue.length > 0) {
                        if (currentRunId !== javState.runId) break;
                        const id = queue.shift();
                        if (id) await processItem(id);
                    }
                }));

                if (currentRunId === javState.runId) {
                    javState.isRunning = false;
                     const currentMode = m.querySelector('input[name="rn_mode"]:checked').value;
                     if (currentMode === 'jav') {
                        if (rnVp) rnVp.scrollTop = 0;
                        renderRNVisible();

                        btnApply.disabled = false;
                        updateHeaderCheckbox();
                        const validCount = plannedChanges.filter(c => c.new !== c.old && !c.conflict).length;
                        txtStatNum.style.display = 'inline';
                        txtStatNum.innerHTML = `<span style="color:var(--pk-pri); font-weight:600;">${validCount}</span><span style="margin:0 2px;">/</span>${javState.total}`;
                     }
                }
                return;
            }

            const workerFunction = function(e) {
                try {
                    const { selectedIds, items, mode, pattern, findStr, repStr, useRegex, validExtsList, caseMode, widthMode, useCaseSense, useIncludeExt } = e.data;
                    const changes =[];
                    const idSet = new Set(selectedIds);
                    const allNames = new Set();
                    items.forEach(i => allNames.add(i.name));

                    const VALID_EXTS = new Set(validExtsList);

                    const escapeRegExp = (s) => s.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');

                    const extractKeyword = (fileName) => {
                        const fc2Regex = /(?:FC2|FC)(?:[-_. ]*PPV)?[-_. @]*(\d{5,8})(?:[-_. ]*(?:part|pt|cd)?[-_. ]?(\d{1,2}|[a-e]))?(?![a-z\d])/i;
                        const fc2Match = fileName.match(fc2Regex);
                        if (fc2Match) {
                            const id = fc2Match[1];
                            const part = fc2Match[2];
                            return (part && part.trim()) ? `FC2-PPV-${id}-${part.toUpperCase()}` : `FC2-PPV-${id}`;
                        }
                        return null;
                    };

                    const toHalf = (str) => str.replace(/[！-～]/g, c => String.fromCharCode(c.charCodeAt(0) - 0xFEE0)).replace(/　/g, ' ');
                    const toFull = (str) => str.replace(/[!-~]/g, c => String.fromCharCode(c.charCodeAt(0) + 0xFEE0)).replace(/ /g, '　');
                    const toTitle = (str) => str.replace(/\b\w/g, c => c.toUpperCase());

                    let regex = null;
                    if (mode === 'replace' && findStr) {
                        try {
                            const flags = useCaseSense ? 'g' : 'gi';
                            const p = useRegex ? findStr : escapeRegExp(findStr);
                            regex = new RegExp(p, flags);
                        } catch (err) {}
                    }

                    let counter = 1;
                    for (let i = 0; i < items.length; i++) {
                        const item = items[i];
                        if (!idSet.has(item.id)) continue;
                        const oldName = item.name;
                        let newName = oldName, hlOld = null;

                        if (mode === 'pattern') {
                            if (item.kind === 'drive#folder') continue;
                            let ext = '';
                            const lastDotIndex = oldName.lastIndexOf('.');
                            if (lastDotIndex > 0) {
                                const potentialExt = oldName.substring(lastDotIndex + 1).toLowerCase();
                                if (VALID_EXTS.has(potentialExt)) ext = '.' + potentialExt;
                            }
                            newName = pattern.replace(/{n}/g, String(counter).padStart(2, '0')) + ext;
                            counter++;
                        }
                        else if (mode === 'replace') {
                            if (findStr && regex) {
                                let targetStr = oldName;
                                let extStr = "";

                                if (!useIncludeExt && item.kind !== 'drive#folder') {
                                    const lastDot = oldName.lastIndexOf('.');
                                    if (lastDot > 0) {
                                        targetStr = oldName.substring(0, lastDot);
                                        extStr = oldName.substring(lastDot);
                                    }
                                }

                                if (regex.test(targetStr)) {
                                    regex.lastIndex = 0;
                                    const newBase = targetStr.replace(regex, repStr);
                                    regex.lastIndex = 0;
                                    const hlBase = targetStr.replace(regex, (m) => '§§§MATCH_START§§§' + m + '§§§MATCH_END§§§');

                                    newName = newBase + extStr;
                                    hlOld = hlBase + extStr;
                                }
                            }
                        }
                        else if (mode === 'format') {
                            let base = newName;
                            let ext = '';
                            if (item.kind !== 'drive#folder') {
                                const lastDot = newName.lastIndexOf('.');
                                if (lastDot > 0) {
                                    base = newName.substring(0, lastDot);
                                    ext = newName.substring(lastDot);
                                }
                            }
                            if (widthMode === 'half') base = toHalf(base);
                            else if (widthMode === 'full') base = toFull(base);
                            if (caseMode === 'upper') base = base.toUpperCase();
                            else if (caseMode === 'lower') base = base.toLowerCase();
                            else if (caseMode === 'title') base = toTitle(base);
                            newName = base + ext;
                        }
                        else if (mode === 'jav') {
                            const code = extractKeyword(oldName);
                            if (code) {
                                let ext = '', ext_old = '', base_old = oldName;
                                if (item.kind !== 'drive#folder') {
                                    const lastDotIndex = oldName.lastIndexOf('.');
                                    if (lastDotIndex > 0) {
                                        const potentialExt = oldName.substring(lastDotIndex + 1).toLowerCase();
                                        if (VALID_EXTS.has(potentialExt)) {
                                            ext = oldName.substring(lastDotIndex);
                                            ext_old = ext;
                                            base_old = oldName.substring(0, lastDotIndex);
                                        }
                                    }
                                }
                                newName = code + ext;
                                try {
                                    const parts = code.split(/[^a-zA-Z0-9]+/).filter(p => p.length > 0);
                                    if (parts.length > 0) {
                                        const escapedParts = parts.map(p => escapeRegExp(p));
                                        const pat = `(${escapedParts.join('|')})`;
                                        const re = new RegExp(pat, 'gi');
                                        hlOld = base_old.replace(re, (m) => '§§§MATCH_START§§§' + m + '§§§MATCH_END§§§') + ext_old;
                                    }
                                } catch(e) {}
                            }
                        }
                        else if (mode === 'ad_remove') {
                            let cleanName = oldName;

                            cleanName = cleanName.replace(/^【[^】]+】 *[-_.]? */, '');

                            cleanName = cleanName.replace(/^[a-z0-9-]+[.](?:com|net|org|cc|xyz|vip|top|la) +/i, '');

                            const adKw = "(?:[.]com|[.]net|[.]org|[.]cc|[.]xyz|[.]vip|[.]top|[.]la|2048|www[.])";

                            const atRegex = new RegExp('^.*?' + adKw + '.*?(?:@|--+|_\\s)', 'i');
                            cleanName = cleanName.replace(atRegex, '');

                            const hyphenRegex = new RegExp('^[a-z0-9.-]+' + adKw + '-', 'i');
                            cleanName = cleanName.replace(hyphenRegex, '');

                            cleanName = cleanName.replace(/^(?:精品加群|福利合集)[0-9]+[-_]+ */, '');

                            cleanName = cleanName.replace(/^[-_. ,，:：;；\p{Extended_Pictographic}]+/u, '');

                            const idxChnR_Fix = cleanName.indexOf('】');
                            const idxChnL_Check = cleanName.indexOf('【');
                            if (idxChnR_Fix > 0 && idxChnR_Fix <= 10 && (idxChnL_Check === -1 || idxChnL_Check > idxChnR_Fix)) {
                                cleanName = '【' + cleanName;
                            }
                            const idxEngR_Fix = cleanName.indexOf(']');
                            const idxEngL_Check = cleanName.indexOf('[');
                            if (idxEngR_Fix > 0 && idxEngR_Fix <= 10 && (idxEngL_Check === -1 || idxEngL_Check > idxEngR_Fix)) {
                                cleanName = '[' + cleanName;
                            }
                            const idxBkR_Fix = cleanName.indexOf('》');
                            const idxBkL_Check = cleanName.indexOf('《');
                            if (idxBkR_Fix > 0 && idxBkR_Fix <= 10 && (idxBkL_Check === -1 || idxBkL_Check > idxBkR_Fix)) {
                                cleanName = '《' + cleanName;
                            }
                            const idxAngR_Fix = cleanName.indexOf('>');
                            const idxAngL_Check = cleanName.indexOf('<');
                            if (idxAngR_Fix > 0 && idxAngR_Fix <= 10 && (idxAngL_Check === -1 || idxAngL_Check > idxAngR_Fix)) {
                                cleanName = '<' + cleanName;
                            }
                            const idxChnParR_Fix = cleanName.indexOf('）');
                            const idxChnParL_Check = cleanName.indexOf('（');
                            if (idxChnParR_Fix > 0 && idxChnParR_Fix <= 10 && (idxChnParL_Check === -1 || idxChnParL_Check > idxChnParR_Fix)) {
                                cleanName = '（' + cleanName;
                            }
                            const idxEngParR_Fix = cleanName.indexOf(')');
                            const idxEngParL_Check = cleanName.indexOf('(');
                            if (idxEngParR_Fix > 0 && idxEngParR_Fix <= 10 && (idxEngParL_Check === -1 || idxEngParL_Check > idxEngParR_Fix)) {
                                cleanName = '(' + cleanName;
                            }
                            const idxCurR_Fix = cleanName.indexOf('}');
                            const idxCurL_Check = cleanName.indexOf('{');
                            if (idxCurR_Fix > 0 && idxCurR_Fix <= 10 && (idxCurL_Check === -1 || idxCurL_Check > idxCurR_Fix)) {
                                cleanName = '{' + cleanName;
                            }

                            const cleanStack = (L, R) => {
                                const chars = cleanName.split('');
                                const stack = [];
                                const toRemove = new Set();
                                for (let i = 0; i < chars.length; i++) {
                                    const c = chars[i];
                                    if (c === L) {
                                        stack.push(i);
                                    } else if (c === R) {
                                        if (stack.length > 0) stack.pop();
                                        else toRemove.add(i);
                                    }
                                }
                                stack.forEach(i => toRemove.add(i));
                                if (toRemove.size > 0) {
                                    cleanName = chars.filter((_, i) => !toRemove.has(i)).join('');
                                }
                            };

                            cleanStack('【', '】');
                            cleanStack('[', ']');
                            cleanStack('{', '}');
                            cleanStack('(', ')');
                            cleanStack('（', '）');
                            cleanStack('《', '》');
                            cleanStack('<', '>');

                            const quote2 = (cleanName.match(/'/g) || []).length;
                            if (quote2 % 2 !== 0) cleanName = cleanName.replace(/"/, '');

                            const result = cleanName.trim();

                            const lastDot = oldName.lastIndexOf('.');
                            if (lastDot !== -1) {
                                const ext = oldName.substring(lastDot);
                                const extNoDot = ext.substring(1);

                                if (!result || result === ext || result === extNoDot) {
                                    newName = oldName;
                                } else {
                                    newName = result;
                                }
                            } else {
                                if (!result) newName = oldName;
                                else newName = result;
                            }
                        }

                        else if (mode === 'ext_fix') {

                            const mimeMap = {
                                'video/mp4': ['.mp4', '.m4v', '.f4v', '.mp4v', '.mov', '.avi', '.m4a', '.m4b'],
                                'video/x-matroska': ['.mkv', '.mk3d', '.mka', '.mks'],
                                'video/x-msvideo': ['.avi'],
                                'video/quicktime': ['.mov', '.qt', '.mp4', '.m4v'],
                                'video/x-flv': ['.flv'],
                                'video/webm': ['.webm'],
                                'video/mpeg': ['.mpg', '.mpeg', '.mpe', '.vob'],
                                'video/3gpp': ['.3gp', '.3g2', '.mp4'],
                                'video/mp2t': ['.ts', '.m2ts', '.mts'],
                                'video/x-m4v': ['.m4v', '.mp4'],
                                'video/x-ms-wmv': ['.wmv'],
                                'video/x-ms-asf': ['.asf', '.wmv', '.wma'],

                                'audio/mpeg': ['.mp3', '.mp2'],
                                'audio/mp4': ['.m4a', '.m4b', '.mp4'],
                                'audio/x-wav': ['.wav'],
                                'audio/flac': ['.flac'],
                                'audio/aac': ['.aac'],
                                'audio/ogg': ['.ogg', '.opus'],
                                'audio/x-ms-wma': ['.wma'],
                                'audio/webm': ['.weba'],

                                'image/jpeg': ['.jpg', '.jpeg', '.jpe', '.jif', '.jfif'],
                                'image/png': ['.png'],
                                'image/gif': ['.gif'],
                                'image/webp': ['.webp'],
                                'image/bmp': ['.bmp'],
                                'image/svg+xml': ['.svg'],
                                'image/heif': ['.heic', '.heif'],
                                'image/vnd.adobe.photoshop': ['.psd', '.abr'],
                                'image/x-icon': ['.ico'],
                                'image/vnd.microsoft.icon': ['.ico'],
                                'image/tiff': ['.tif', '.tiff', '.cr2', '.cr3', '.nef', '.dng', '.arw', '.orf', '.rw2', '.pef', '.sr2', '.raf'],
                                'application/postscript': ['.ps', '.eps', '.ai'],
                                'application/dicom': ['.dcm'],

                                'application/zip': [
                                    '.zip',
                                    '.exe',
                                    '.pt', '.pth',
                                    '.apk', '.xapk', '.apks', '.obb', '.aar', '.aab', '.ipa', '.ipsw', '.wgt',
                                    '.docx', '.docm', '.dotx', '.dotm',
                                    '.xlsx', '.xlsm', '.xltx', '.xltm',
                                    '.pptx', '.pptm', '.potx', '.potm',
                                    '.vsdx', '.xmind', '.xlam', '.thmx',
                                    '.odt', '.ods', '.odp', '.oxps', '.xps',
                                    '.pages', '.numbers', '.key',
                                    '.xd', '.idml', '.zxp', '.fig', '.sketch', '.brush', '.brushset', '.3mf', '.usdz', '.dwfx', '.ora', '.ufo',
                                    '.h5p', '.apkg', '.colpkg', '.mcpack', '.mcworld', '.unitypackage', '.sb3', '.love', '.egg',
                                    '.nsp', '.xci', '.cia',
                                    '.alfredworkflow', '.sublime-package', '.otf', '.ttf', '.woff', '.woff2',
                                    '.epub', '.kmz', '.cbz',
                                    '.jar', '.war', '.ear', '.sar', '.whl', '.nupkg', '.wsz', '.crx', '.xpi', '.vsix', '.msix', '.appx', '.msixbundle', '.appxbundle', '.kra', '.appv',
                                    '.jks', '.keystore', '.truststore'
                                ],

                                'application/x-rar-compressed': ['.rar', '.cbr', '.exe'],
                                'application/x-rar': ['.rar', '.cbr', '.exe'],
                                'application/vnd.rar': ['.rar', '.cbr', '.exe'],

                                'application/x-7z-compressed': ['.7z', '.exe', '.cb7', '.wim', '.esd'],
                                'application/x-tar': ['.tar', '.cbt', '.ova', '.unitypackage', '.gem'],
                                'application/gzip': ['.gz', '.tgz', '.svgz', '.als', '.schematic', '.litematic', '.tgs', '.unitypackage', '.box'],

                                'application/x-lzh-compressed': ['.lzh', '.lha'],
                                'application/x-lha': ['.lzh', '.lha'],

                                'application/x-iso9660-image': ['.iso', '.img'],
                                'application/vnd.android.package-archive': ['.apk'],
                                'application/x-apple-diskimage': ['.dmg'],
                                'application/x-debian-package': ['.deb'],
                                'application/x-redhat-package-manager': ['.rpm'],

                                'application/pdf': ['.pdf', '.ai'],

                                'text/plain': [
                                    '.txt', '.log', '.md', '.markdown', '.nfo', '.rtf', '.rst', '.adoc', '.org','.mhtml', '.mht',
                                    '.dts', '.dtsi',
                                    '.ofx', '.qif', '.gnucash',
                                    '.tscn', '.tres', '.gd', '.godot',
                                    '.out', '.err', '.pid',
                                    '.asc', '.md5', '.sha1', '.sha256', '.sha512',
                                    '.dockerfile', '.makefile', '.jenkinsfile', '.tf',
                                    '.js', '.jsx', '.ts', '.tsx', '.vue', '.svelte', '.astro', '.mdx',
                                    '.css', '.scss', '.less', '.html', '.htm', '.pug', '.jade', '.coffee', '.wat', '.pac',
                                    '.graphql', '.gql', '.prisma',
                                    '.py', '.java', '.c', '.cpp', '.h', '.hh', '.hpp', '.cs', '.php', '.go', '.rs', '.rb', '.lua',
                                    '.kt', '.swift', '.dart', '.pl', '.pm', '.scala', '.groovy', '.hs', '.asp', '.aspx', '.jsp',
                                    '.m', '.mm', '.r', '.rmd', '.jl', '.nb',
                                    '.ex', '.exs', '.erl', '.hrl', '.clj', '.lisp', '.ml',
                                    '.v', '.sv', '.vhd', '.vhdl', '.sas', '.do',
                                    '.sh', '.bat', '.cmd', '.ps1', '.psd1', '.psm1', '.vbs', '.reg', '.vmx',
                                    '.lock', '.toml', '.hex', '.gradle', '.cmake', '.editorconfig',
                                    '.ini', '.cfg', '.conf', '.rc', '.list', '.yaml', '.yml', '.json', '.xml', '.properties', '.env', '.gitignore', '.sql', '.drawio', '.dio',
                                    '.htaccess', '.npmrc', '.eps', '.ps',
                                    '.meta', '.asset',
                                    '.fbx', '.step', '.stp', '.iges', '.igs', '.gcode', '.stl', '.ply',
                                    '.fasta', '.fa',
                                    '.eml', '.mbox', '.ics', '.ifb',
                                    '.vcf', '.ovpn', '.glsl', '.hlsl', '.shader', '.cginc', '.unity',
                                    '.pem', '.key', '.crt', '.csr', '.p7b', '.p7c',
                                    '.tex', '.sty', '.cls', '.bib',
                                    '.srt', '.ass', '.ssa', '.sub', '.vtt', '.smi', '.lrc', '.sup', '.idx', '.sbv',
                                    '.m3u', '.m3u8', '.cue', '.torrent'
                                ],

                                'text/html': ['.html', '.htm', '.mhtml', '.mht', '.vue', '.svelte', '.astro', '.txt'],

                                'text/xml': [
                                    '.xml', '.ui', '.opml', '.kml', '.gpx', '.rss', '.nfo', '.txt', '.svg', '.plist',
                                    '.mobileconfig', '.webloc', '.ttml', '.musicxml',
                                    '.drawio', '.dio', '.csproj', '.vbproj', '.xaml', '.kdenlive', '.fb2', '.xmp', '.dae',
                                    '.fods', '.fodt', '.fodp', '.mobileprovision',
                                    '.nuspec', '.resx', '.vbox', '.osm',
                                    '.application', '.manifest'
                                ],

                                'application/json': [
                                    '.json', '.txt', '.ipynb', '.gltf', '.geojson', '.map', '.har',
                                    '.topojson', '.webmanifest', '.postman_collection', '.tfstate', '.webapp',
                                    '.uproject', '.uplugin', '.glyphs'
                                ],

                                'application/x-hdf': ['.h5', '.hdf5', '.keras'],
                                'application/x-hdf5': ['.h5', '.hdf5', '.keras'],

                                'text/calendar': ['.ics', '.ifb'],
                                'application/x-bittorrent': ['.torrent'],
                                'message/rfc822': ['.mhtml', '.mht', '.eml'],
                                'multipart/related': ['.mhtml', '.mht'],
                                'application/x-mobipocket-ebook': ['.mobi', '.azw3'],
                                'application/vnd.amazon.ebook': ['.azw3', '.mobi'],
                                'text/vcard': ['.vcf'],

                                'application/vnd.openxmlformats-officedocument.wordprocessingml.document': ['.docx', '.docm', '.dotx', '.dotm'],
                                'application/msword': ['.doc'],
                                'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet': ['.xlsx', '.xlsm', '.xltx', '.xltm', '.csv'],
                                'application/vnd.ms-excel': ['.xls', '.csv'],
                                'application/vnd.openxmlformats-officedocument.presentationml.presentation': ['.pptx', '.pptm', '.potx', '.potm'],
                                'application/vnd.ms-powerpoint': ['.ppt'],
                                'application/epub+zip': ['.epub', '.zip']
                            };

                            const exactNamesToKeep = new Set([
                                'thumbs.db', 'desktop.ini', '.ds_store',
                                'dockerfile', 'makefile', 'jenkinsfile', 'rakefile', 'gemfile', 'vagrantfile', 'procfile',
                                'license', 'readme', 'changelog', 'copying', 'authors', 'cmakelists.txt',
                                'contributors', 'patents', 'security', 'notice', 'version',
                                'cname', 'owners', 'robots.txt',
                                'go.mod', 'go.sum', 'podfile', 'podfile.lock', 'yarn.lock', 'package-lock.json'
                            ]);

                            const binaryMimes = ['application/octet-stream', 'binary/octet-stream'];

                            const safeImgExts = ['.jpg', '.jpeg', '.png', '.bmp', '.heic'];
                            const safeVidExts = ['.mp4', '.mkv', '.avi', '.mov', '.wmv', '.flv', '.webm', '.m4v', '.3gp', '.ts', '.mpg', '.mpeg', '.vob', '.rmvb', '.asf'];
                            const highRiskExts = [
                                '.rar', '.zip', '.7z', '.iso', '.img', '.dmg', '.apk', '.ipa',
                                '.mhtml', '.mht', '.html', '.htm', '.xml', '.json',
                                '.db', '.dat', '.tmp', '.dts', '.dtsi',
                                '.ts', '.3gp', '.mkv', '.avi', '.mp4', '.flv', '.mov', '.wmv'
                            ];

                            if (item.mimeType === 'application/vnd.google-apps.folder') continue;

                            const pureMimeType = (item.mimeType || '').split(';')[0].trim().toLowerCase();
                            const lowerName = oldName.toLowerCase();
                            const lastDotIndex = oldName.lastIndexOf('.');
                            const currentExt = lastDotIndex !== -1 ? oldName.substring(lastDotIndex).toLowerCase() : '';

                            const isPartFile = /^\.\d+$/.test(currentExt) || /\.part\d+$/i.test(currentExt);

                            let newName = oldName;
                            let shouldFix = false;
                            if (binaryMimes.includes(pureMimeType) || exactNamesToKeep.has(lowerName) || oldName.startsWith('.') || isPartFile) {
                                shouldFix = false;
                            }
                            else {
                                const validExtensions = mimeMap[pureMimeType];
                                if (validExtensions && validExtensions.length > 0) {
                                    const primaryExt = validExtensions[0];

                                    if (validExtensions.includes(currentExt)) {
                                        newName = oldName.substring(0, lastDotIndex) + currentExt;
                                        shouldFix = true;
                                    }
                                    else if (
                                        (safeImgExts.includes(currentExt) && safeImgExts.includes(primaryExt)) ||
                                        (safeVidExts.includes(currentExt) && safeVidExts.includes(primaryExt))
                                    ) {
                                        newName = oldName.substring(0, lastDotIndex) + currentExt;
                                        shouldFix = true;
                                    }
                                    else if (
                                        (pureMimeType === 'application/pdf' && ['.rar', '.zip', '.7z'].includes(currentExt)) ||
                                        highRiskExts.includes(currentExt)
                                    ) {
                                        shouldFix = false;
                                    }
                                    else {
                                        shouldFix = true;

                                        if (lastDotIndex === -1) {
                                            const ambiguousTextExts = ['.svg', '.html', '.htm', '.xml', '.json'];
                                            if (ambiguousTextExts.includes(primaryExt) && !oldName.includes(' ')) {
                                                shouldFix = false;
                                            } else {
                                                if (ambiguousTextExts.includes(primaryExt)) newName = oldName + '.txt';
                                                else newName = oldName + primaryExt;
                                            }
                                        }
                                        else {
                                            const isSourceText = ['.txt', '.log', '.md', '.ini', '.nfo'].includes(currentExt);
                                            const ambiguousTextExts = ['.svg', '.html', '.htm', '.xml', '.json'];

                                            if (isSourceText && ambiguousTextExts.includes(primaryExt)) {
                                                newName = oldName.substring(0, lastDotIndex) + currentExt;
                                            } else {
                                                newName = oldName.substring(0, lastDotIndex) + primaryExt;
                                            }
                                        }
                                    }
                                }
                            }

                            if (shouldFix && newName !== oldName) {
                                changes.push({
                                    id: item.id, old: oldName, new: newName,
                                    hl_old: null, conflict: false, parent_id: item.parent_id
                                });
                            }
                        }

                        if (item._isSystem) continue;

                        if (newName !== oldName || (mode === 'replace' && hlOld) || mode === 'pattern') {
                            let isConflict = false;
                            const cleanNewName = newName.trim();
                            if (!cleanNewName) { isConflict = true; newName = e.data.STR_EMPTY_FILENAME; }
                            else if (allNames.has(cleanNewName)) { isConflict = true; }
                            else { allNames.add(cleanNewName); }

                            changes.push({
                                id: item.id, old: oldName, new: newName,
                                hl_old: hlOld, conflict: isConflict, parent_id: item.parent_id
                            });
                        }
                    }
                    self.postMessage({ changes: changes, error: null });
                } catch (e) { self.postMessage({ changes: [], error: e.toString() }); }
            };

            const workerCode = 'self.onmessage = ' + workerFunction.toString();

            const itemsCopy = items.map(i => ({ id: i.id, name: i.name, kind: i.kind, mimeType: i.mime_type, parent_id: i.parent_id, _isSystem: isSystemItem(i) }));
            const blob = new Blob([workerCode], { type: 'application/javascript' });
            const workerUrl = URL.createObjectURL(blob);
            const previewWorker = new Worker(workerUrl);
            previewWorker.onmessage = (e) => {
                const { changes, error } = e.data;
                previewWorker.terminate();
                URL.revokeObjectURL(workerUrl);

                if (myPreviewId !== currentPreviewId) return;

                handlePreviewResults(changes, error);
            };
            previewWorker.onerror = (e) => {
                console.error("Worker Error:", e);
                rnIn.innerHTML = `<div style="padding:40px; text-align:center; color:#d93025;">❌ ${L.err_worker_failed}</div>`;
                previewWorker.terminate();
                URL.revokeObjectURL(workerUrl);
            };
            previewWorker.postMessage({
                selectedIds, items: itemsCopy, mode, pattern, findStr, repStr, useRegex,
                STR_INVALID_REGEX: L.err_invalid_regex,
                STR_EMPTY_FILENAME: L.str_empty_filename,
                validExtsList: VALID_EXTS_LIST,
                caseMode, widthMode, useCaseSense, useIncludeExt
            });
        };

        m.querySelector('#rn_cancel').onclick = () => m.remove();
        [inpPattern, inpFind, inpRep, chkRegex, chkCase, chkIncludeExt].forEach(el => el.onchange = generatePreview);
        [inpPattern, inpFind, inpRep].forEach(el => el.onkeydown = (e) => { if(e.key==='Enter') generatePreview(); });

        let selectedCase = "";
        let selectedWidth = "";

        const bindRNSelect = (id, onSelect) => {
            const container = m.querySelector(`#${id}`);
            if (!container) return;
            const trigger = container.querySelector('.pk-select-trigger');
            const menu = container.querySelector('.pk-select-menu');
            const txt = container.querySelector('span');
            const items = container.querySelectorAll('.pk-select-item');

            trigger.onclick = (e) => {
                e.stopPropagation();
                const allMenus = m.querySelectorAll('.pk-select-menu');
                const isOpen = menu.style.display === 'block';
                allMenus.forEach(om => om.style.display = 'none');
                menu.style.display = isOpen ? 'none' : 'block';
            };

            items.forEach(item => {
                item.onclick = (e) => {
                    e.stopPropagation();
                    items.forEach(i => i.classList.remove('act'));
                    item.classList.add('act');
                    txt.textContent = item.textContent;
                    menu.style.display = 'none';
                    onSelect(item.dataset.val);
                    generatePreview();
                };
            });
        };

        bindRNSelect('cs_rn_case', (val) => { selectedCase = val; });
        bindRNSelect('cs_rn_width', (val) => { selectedWidth = val; });

        const closeDropdowns = () => m.querySelectorAll('.pk-select-menu').forEach(menu => menu.style.display = 'none');
        setTimeout(() => document.addEventListener('click', closeDropdowns), 0);

        const _orgRemove = m.remove.bind(m);
        m.remove = () => {
            document.removeEventListener('click', closeDropdowns);
            _orgRemove();
        };

        const bindHeaderCheckbox = () => {
            const cbAll = m.querySelector('#rn_cb_all');
            if(cbAll) {
                cbAll.onclick = (e) => {
                    const isChecked = e.target.checked;
                    if(isChecked) {
                        plannedChanges.forEach(c => previewSelectedIds.add(c.id));
                    } else {
                        previewSelectedIds.clear();
                    }
                    recalcPatternNames();
                    renderRNVisible();
                    updateHeaderCheckbox();
                };
            }
        };
        setTimeout(bindHeaderCheckbox, 0);

        btnApply.onclick = async () => {

            const validChanges = rnDisplay.filter(c => previewSelectedIds.has(c.id) && c.new !== c.old);
            const skippedCount = plannedChanges.length - validChanges.length;

            if (validChanges.length === 0) {
                showAlert(L.msg_rn_all_skipped);
                return;
            }

            let confirmMsg = L.rn_warn_confirm.replace('{n}', validChanges.length);
            if (!await showConfirm(confirmMsg)) return;

            const progressTask = FloatBarManager.create(L.str_renaming);
            m.remove();
            let isRunning = true;
            UI.stopBtn.onclick = () => { isRunning = false; updateLoadTxt(L.str_stopping); };

            const USER_LIMIT = parseInt(localStorage.getItem('pk_user_limit') || "200");
            let currentLimit = 2; const MIN_LIMIT = 2;
            const queue = [...validChanges];
            const activeTasks = new Set();
            const stats = { success: 0, fail: 0, lastUiTime: 0 };
            const total = validChanges.length;

            const runRenameTask = async (task) => {
                try {
                    await apiAction(`/${task.id}`, { name: task.new });
                    stats.success++;
                    const item = S.itemMap.get(task.id);
                    if (item) {
                        item.name = task.new;
                        const nowIso = new Date(getServerNow()).toISOString();
                        item.modified_time = nowIso;
                        if (item.kind === 'drive#folder') gmSet('pk_fmod_' + item.id, nowIso);
                        const parentIdForFmod = item.parent_id || 'root';
                        gmSet('pk_fmod_' + parentIdForFmod, nowIso);

                        const row = UI.in.querySelector(`.pk-row[data-id="${task.id}"]`);
                        if (row && row.lastElementChild) row.lastElementChild.textContent = fmtDate(nowIso);

                        if (S.analyzeResultItems) {
                            const anaItem = S.analyzeResultItems.find(x => x.id === task.id);
                            if (anaItem) anaItem.name = task.new;
                        }
                        if (S.analyzeMap && S.analyzeMap.has(task.id)) {
                            S.analyzeMap.get(task.id).name = task.new;
                        }
                        if (S.lastGlobalResults && S.lastGlobalResults.length > 0) {
                            const gItem = S.lastGlobalResults.find(x => x.id === task.id);
                            if (gItem) gItem.name = task.new;
                        }

                        if (typeof globalDirtyFolders !== 'undefined') {
                            const pid = item.parent_id || '';
                            globalDirtyFolders.add(pid);
                        }
                    }
                    if (currentLimit < USER_LIMIT) currentLimit++;
                } catch (e) {
                    if (!isRunning) return;
                    if ((e.message && e.message.includes('429')) || (e.message && e.message.includes('Network'))) {
                        currentLimit = Math.max(MIN_LIMIT, Math.floor(currentLimit / 2));
                        task.retryCount = (task.retryCount || 0) + 1;
                        await sleep(Math.min(task.retryCount * 1000, 10000));
                        queue.push(task);
                    } else {
                        stats.fail++;
                    }
                }
            };

            try {
                updateLoadTxt(L.str_init_rename);
                while ((queue.length > 0 || activeTasks.size > 0) && isRunning) {
                    while (queue.length > 0 && activeTasks.size < currentLimit && isRunning) {
                        const task = queue.shift();
                        const p = runRenameTask(task).finally(() => activeTasks.delete(p));
                        activeTasks.add(p);
                    }
                    if (activeTasks.size > 0) await Promise.race(activeTasks);
                    const now = Date.now();
                    if (now - stats.lastUiTime > 150) {
                        progressTask.update(`${L.str_renaming} ${stats.success + stats.fail}/${total} | ${L.str_speed}: ${activeTasks.size} | ${L.str_success}: ${stats.success}`);
                        stats.lastUiTime = now;
                    }
                }
                if (!isRunning) throw new Error('StoppedByUser');
                updateLoadTxt(L.str_refreshing_cache);

                if (typeof runBackgroundCrawler === 'function') runBackgroundCrawler();

                if (S.dupMode) renderDupView(); else refresh();
                let msgParts = [];
                if (stats.success > 0) msgParts.push(L.msg_bulkrename_done.replace('{n}', stats.success));
                if (stats.fail > 0) msgParts.push(L.msg_rn_fail_count.replace('{n}', stats.fail));
                const finalMsg = msgParts.join('\n');
                await sleep(300); showAlert(finalMsg);
            } catch (e) {
                if (e.message !== 'StoppedByUser') showAlert(`${L.str_error_crit}: ${e.message}`);
            } finally {
                if (progressTask) progressTask.destroy();
                setLoad(false);
            }
        };
    };

    UI.btnPrune.onclick = async () => {
        isGUISensitive = true;
        ensureItemMap();

        const selectedFolders = S.getSelectedIds()
            .map(id => S.itemMap.get(id))
            .filter(i => i && i.kind === 'drive#folder');

        if (selectedFolders.length === 0) return;
        const hasConflict = selectedFolders.some(f => isPathBusy(f.id));
        if (hasConflict) {
            showAlert(L.msg_prune_blocked_moving);
            return;
        }
        if (!await showConfirm(L.msg_prune_confirm)) return;

        setLoad(true);
        S.scanning = true;
        S.scanId = (S.scanId || 0) + 1;
        const myScanId = S.scanId;

        if (S.scanAbortController) S.scanAbortController.abort();
        S.scanAbortController = new AbortController();
        const signal = S.scanAbortController.signal;

        UI.stopBtn.onclick = () => {
            S.scanning = false;
            if (S.scanAbortController) S.scanAbortController.abort();
            updateLoadTxt(L.str_stopping);
            setLoad(false);
            isGUISensitive = false;
        };

        const folderMap = new Map();
        updateLoadTxt(L.str_scanning_dir);

        try {
            await coreRecursiveEngine(selectedFolders, {
                signal: signal,
                onFolder: (folder, filesInFolder, subFolders) => {
                    const hasFiles = filesInFolder.some(f => f.kind !== 'drive#folder');

                    folderMap.set(folder.id, {
                        id: folder.id,
                        name: folder.name,
                        parent_id: folder.parent_id,
                        depth: folder.depth || 0,
                        hasFiles: hasFiles,
                        subFolderIds: subFolders.map(s => s.id)
                    });
                },
                onProgress: (st) => {
                    const folderText = `${L.str_scanning_dir} ${st.folders} ${L.unit_folders}`;

                    const statusInfo = ` | ${L.str_files}: ${st.files} | ${L.str_speed}: ${st.currentConcurrency} | ${L.str_cached} ${st.cacheHits} ${L.unit_folders}`;

                    updateLoadTxt(folderText + statusInfo);
                }
            });

            if (!S.scanning || signal.aborted || myScanId !== S.scanId) return;

            updateLoadTxt(L.str_analyzing);
            await sleep(50);

            const allScanned = Array.from(folderMap.values()).sort((a, b) => b.depth - a.depth);
            const toDeleteList = [];
            const toDeleteIds = new Set();

            for (let i = 0; i < allScanned.length; i++) {
                if (!S.scanning) return;
                const folder = allScanned[i];

                const isSystemProtected = isSystemItem({ ...folder, kind: 'drive#folder' });
                if (isSystemProtected) continue;

                if (!folder.hasFiles) {
                    const allSubsWillBeDeleted = folder.subFolderIds.every(subId => toDeleteIds.has(subId));
                    if (allSubsWillBeDeleted) {
                        toDeleteIds.add(folder.id);
                        toDeleteList.push(folder);
                    }
                }
            }

            if (toDeleteList.length === 0) {
                setLoad(false);
                showAlert(L.msg_prune_none);
            } else {
                setLoad(false);
                const cacheHitCount = Array.from(folderMap.keys()).filter(id => globalCache.has(id)).length;
                let confirmMsg = L.msg_prune_found.replace('{n}', toDeleteList.length);

                const delRes = await showDeleteConfirm(confirmMsg);
                if (delRes.confirm) {
                    const allIds = toDeleteList.map(f => f.id);

                    await executeBatchDelete(allIds, {
                        silent: true,
                        forceRefresh: false,
                        hardDelete: delRes.hardDelete
                    });

                    if (myScanId === S.scanId) {
                        const deletedSet = new Set(allIds);

                        if (S.lastGlobalResults && S.lastGlobalResults.length > 0) {
                            S.lastGlobalResults = S.lastGlobalResults.filter(x => !deletedSet.has(x.id));
                        }

                        if (S.analyzeMode && S.analyzeResultItems) {
                            S.analyzeResultItems = S.analyzeResultItems.filter(x => !deletedSet.has(x.id));
                        }

                        updateLoadTxt(L.str_refreshing);
                        const affectedParentIds = new Set();
                        affectedParentIds.add(S.path[S.path.length - 1].id || 'root');

                        toDeleteList.forEach(folder => {
                            if (folder.parent_id) affectedParentIds.add(folder.parent_id);
                            else affectedParentIds.add('root');
                        });

                        affectedParentIds.forEach(pid => {
                            if (typeof globalCache !== 'undefined') globalCache.delete(pid);
                            S.cache.delete(pid);
                        });

                        await load(false, true);
                        showToast(L.str_cleanup_done);
                    }
                }
            }
        } catch (e) {
            if (e.name !== 'AbortError' && myScanId === S.scanId) {
                setLoad(false);
                showAlert(`${L.str_error}: ${e.message}`);
            }
        } finally {
            if (myScanId === S.scanId) {
                setLoad(false);
                S.scanning = false;
                S.scanAbortController = null;
                isGUISensitive = false;
                if (typeof DurationProber !== 'undefined') DurationProber.checkAndRun();
            }
        }
    };

    if (UI.btnUpPause) UI.btnUpPause.onclick = () => {
        const ids = S.getSelectedIds();
        ids.forEach(id => {
            const task = S.uploadTasks.find(t => t.id === id);
            if (task && S.upMng) S.upMng.pause(task, true);
        });
        if (S.uploadMode) { refresh(); }
    };

    if (UI.btnUpStart) UI.btnUpStart.onclick = () => {
        const ids = S.getSelectedIds();
        ids.forEach(id => {
            const task = S.uploadTasks.find(t => t.id === id);
            if (task && S.upMng) S.upMng.resume(task, true);
        });
        if (S.uploadMode) { refresh(); }
    };

    if (UI.btnUpDel) UI.btnUpDel.onclick = () => {
        const count = S.getSelectedCount();
        if (count === 0) return;

        const html = `
            <div style="padding: 5px 0 0 0;">
                <h3 style="margin:0 0 25px 0; font-size:18px; font-weight:700; color:var(--pk-fg); border:none; line-height:1.4;">
                    ${L.title_del_task_confirm_fmt.replace('{n}', count)}
                </h3>
                <label style="display:flex; align-items:center; cursor:pointer; user-select:none; margin-bottom:35px; font-size:14px; color:var(--pk-fg);">
                    <input type="checkbox" id="del_up_files" style="width:18px; height:18px; margin-right:10px; accent-color:var(--pk-pri); cursor:pointer;">
                    <span style="opacity:0.9;">${L.lbl_del_cloud_files_too}</span>
                </label>
                <div class="pk-modal-act" style="display:flex; justify-content:flex-end; gap:12px;">
                    <button class="pk-btn" id="del_up_cancel" style="height:36px; padding:0 24px; border-radius:6px; background:transparent; border:1px solid var(--pk-bd); font-weight:500; color:var(--pk-fg);">${L.btn_cancel}</button>
                    <button class="pk-btn pri" id="del_up_confirm" style="height:36px; padding:0 24px; border-radius:6px; background:var(--pk-pri); color:#fff; font-weight:600; border:none; box-shadow: 0 2px 6px rgba(0,0,0,0.2);">${L.btn_del}</button>
                </div>
            </div>
        `;

        const m = showModal(html);
        const modalBox = m.querySelector('.pk-modal');
        if (modalBox) { modalBox.style.width = "420px"; modalBox.style.padding = "24px"; modalBox.style.borderRadius = "12px"; }

        const close = () => m.remove();
        m.querySelector('#del_up_cancel').onclick = close;
        const closeBtn = m.querySelector('.pk-modal-close');
        if(closeBtn) closeBtn.onclick = close;

        m.querySelector('#del_up_confirm').onclick = async () => {
            const isDeleteFile = m.querySelector('#del_up_files').checked;
            m.remove();

            const ids = S.getSelectedIds();
            const filesToTrash = [];
            const ghostsToHardDelete = [];

            ids.forEach(id => {
                const task = S.uploadTasks.find(t => t.id === id);
                if (task) {
                    task._deleted = true;
                    const forceDelete = task.status !== 'DONE';
                    task._deleteFileIntent = forceDelete || isDeleteFile;

                    if (task.file_id) {
                        if (forceDelete) ghostsToHardDelete.push(task.file_id);
                        else if (isDeleteFile) filesToTrash.push(task.file_id);
                    }
                    if (S.upMng) S.upMng.pause(task, true);
                }
            });

            const idSet = S.sel;
            S.uploadTasks = S.uploadTasks.filter(t => {
                if(idSet.has(t.id)) {
                    if (S.upMng) S.upMng.removeTask(t.id);
                    return false;
                }
                return true;
            });

            S.clearSelection();
            load(false, true);

            if (filesToTrash.length > 0) {
                try {
                    await executeBatchDelete(filesToTrash, { silent: false, hardDelete: false, forceRefresh: false });
                } catch(e) { console.error("Failed to trash uploaded files:", e); }
            }

            if (ghostsToHardDelete.length > 0) {
                try {
                    await fetch('https://api-drive.mypikpak.com/drive/v1/files:batchDelete', {
                        method: 'POST', headers: getHeaders(), body: JSON.stringify({ ids: ghostsToHardDelete })
                    });
                    ghostsToHardDelete.forEach(id => {
                        if (typeof window.pkRemoveGhostFile === 'function') window.pkRemoveGhostFile(id);
                    });
                } catch (e) { console.error("Failed to hard delete ghost files:", e); }
            }

            showToast(L.msg_task_del_success_fmt.replace('{n}', ids.length));
        };

        m.tabIndex = 0;
        setTimeout(() => m.focus(), 10);
        m.addEventListener('keydown', (e) => {
            if (e.key === 'Enter') {
                e.preventDefault(); e.stopPropagation();
                m.querySelector('#del_up_confirm').click();
            }
        });
    };

    if (UI.btnUpClearAll) UI.btnUpClearAll.onclick = () => {
        if (S.uploadTasks.length === 0) return;
        const count = S.uploadTasks.length;

        const html = `
            <div style="padding: 5px 0 0 0;">
                <h3 style="margin:0 0 25px 0; font-size:18px; font-weight:700; color:var(--pk-fg); border:none; line-height:1.4;">
                    ${L.title_clear_task_confirm}
                </h3>
                <label style="display:flex; align-items:center; cursor:pointer; user-select:none; margin-bottom:35px; font-size:14px; color:var(--pk-fg);">
                    <input type="checkbox" id="clear_all_up_files" style="width:18px; height:18px; margin-right:10px; accent-color:var(--pk-pri); cursor:pointer;">
                    <span style="opacity:0.9;">${L.lbl_del_cloud_files_too}</span>
                </label>
                <div class="pk-modal-act" style="display:flex; justify-content:flex-end; gap:12px;">
                    <button class="pk-btn" id="clear_up_cancel" style="height:36px; padding:0 24px; border-radius:6px; background:transparent; border:1px solid var(--pk-bd); font-weight:500; color:var(--pk-fg);">${L.btn_cancel}</button>
                    <button class="pk-btn pri" id="clear_up_confirm" style="height:36px; padding:0 24px; border-radius:6px; background:var(--pk-pri); color:#fff; font-weight:600; border:none; box-shadow: 0 2px 6px rgba(0,0,0,0.2);">${L.btn_del}</button>
                </div>
            </div>
        `;

        const m = showModal(html);
        const modalBox = m.querySelector('.pk-modal');
        if (modalBox) { modalBox.style.width = "420px"; modalBox.style.padding = "24px"; modalBox.style.borderRadius = "12px"; }

        const close = () => m.remove();
        m.querySelector('#clear_up_cancel').onclick = close;
        const closeBtn = m.querySelector('.pk-modal-close');
        if(closeBtn) closeBtn.onclick = close;

        m.querySelector('#clear_up_confirm').onclick = async () => {
            const isDeleteFile = m.querySelector('#clear_all_up_files').checked;
            m.remove();

            const filesToTrash = [];
            const ghostsToHardDelete = [];
            const count = S.uploadTasks.length;

            S.uploadTasks.forEach(task => {
                task._deleted = true;
                const forceDelete = task.status !== 'DONE';
                task._deleteFileIntent = forceDelete || isDeleteFile;

                if (S.upMng) {
                    S.upMng.pause(task, true);
                    S.upMng.removeTask(task.id);
                }

                if (task.file_id) {
                    if (forceDelete) ghostsToHardDelete.push(task.file_id);
                    else if (isDeleteFile) filesToTrash.push(task.file_id);
                }
            });

            S.uploadTasks = [];
            S.clearSelection();
            load(false, true);

            if (filesToTrash.length > 0) {
                try {
                    await executeBatchDelete(filesToTrash, { silent: false, hardDelete: false, forceRefresh: false });
                } catch(e) {}
            }

            if (ghostsToHardDelete.length > 0) {
                try {
                    await fetch('https://api-drive.mypikpak.com/drive/v1/files:batchDelete', {
                        method: 'POST', headers: getHeaders(), body: JSON.stringify({ ids: ghostsToHardDelete })
                    });
                    ghostsToHardDelete.forEach(id => {
                        if (typeof window.pkRemoveGhostFile === 'function') window.pkRemoveGhostFile(id);
                    });
                } catch (e) {}
            }
            showToast(L.msg_task_clear_success_fmt.replace('{n}', count));
        };

        m.tabIndex = 0;
        setTimeout(() => m.focus(), 10);
        m.addEventListener('keydown', (e) => {
            if (e.key === 'Enter') {
                e.preventDefault(); e.stopPropagation();
                m.querySelector('#clear_up_confirm').click();
            }
        });
    };

    UI.btnExt.onclick = async () => {
        const id = S.getSelectedIds()[0];
        const item = S.itemMap.get(id);
        if (!item) return;

        setLoad(true);
        updateLoadTxt(L.loading_detail);

        const targetApiId = ((S.offlineMode && item.kind === 'drive#task') || (S.uploadMode && item.file_id)) ? item.file_id : item.id;

        let detail = item;
        try {
            if (!targetApiId) throw new Error("File ID not ready");
            detail = await apiGet(targetApiId);
        } catch (e) {
            console.warn("Fetch detail failed, using cached info");
            if (!detail.web_content_link && !detail.medias) {
                setLoad(false);
                showToast(L.msg_video_fail, 'error');
                return;
            }
        }
        setLoad(false);

        const qualities = generateQualityList(detail);
        const bestSource = getBestSource(detail);
        let selectedUrl = bestSource.src;
        let selectedResName = bestSource.name;
        const savedPlayer = gmGet('pk_ext_player', 'potplayer');
        let selectedPlayer = (savedPlayer === 'potplayer') ? 'potplayer' : 'other';
        const initialBtnTxt = (selectedPlayer === 'potplayer') ? L.btn_start_play : L.btn_copy_link;

        const m = showModal(`
            <h3 style="border:none; margin-bottom:24px; font-size:18px; font-weight:700; color:var(--pk-fg);">${L.btn_ext}</h3>

            <div style="display:flex; flex-direction:column; gap:25px; margin-bottom:10px;">
                <div class="pk-custom-select" id="cs_res">
                    <div class="pk-select-label">${L.lbl_resolution}</div>
                    <div class="pk-select-trigger">
                        <span id="txt_res">${selectedResName}</span>
                        <div style="display:flex; color:#999;">${CONF.crumbIcons.down}</div>
                    </div>
                    <div class="pk-select-menu pk-scroll">
                        ${qualities.map(q => `<div class="pk-select-item ${q.url === selectedUrl ? 'act' : ''}" data-val="${q.url}">${q.name}</div>`).join('')}
                    </div>
                </div>

                <div class="pk-custom-select" id="cs_player">
                    <div class="pk-select-label">${L.lbl_player}</div>
                    <div class="pk-select-trigger">
                        <span id="txt_player">${selectedPlayer === 'potplayer' ? 'PotPlayer' : L.opt_player_other}</span>
                        <div style="display:flex; color:#999;">${CONF.crumbIcons.down}</div>
                    </div>
                    <div class="pk-select-menu">
                        <div class="pk-select-item ${selectedPlayer === 'potplayer' ? 'act' : ''}" data-val="potplayer">PotPlayer</div>
                        <div class="pk-select-item ${selectedPlayer === 'other' ? 'act' : ''}" data-val="other">${L.opt_player_other}</div>
                    </div>
                </div>
            </div>

            <div class="pk-modal-act" style="margin-top:20px; display:flex; justify-content:flex-end; gap:12px;">
                <button class="pk-btn" id="ext_cancel" style="height:40px; min-width:86px; border-radius:8px; justify-content:center; background:transparent; font-weight:500;">${L.btn_cancel}</button>
                <button class="pk-btn pri" id="ext_run" style="height:40px; min-width:120px; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold; justify-content:center; border:none; font-size:15px;">${initialBtnTxt}</button>
            </div>
        `);

        const modalBox = m.querySelector('.pk-modal');
        if (modalBox) {
            Object.assign(modalBox.style, { width: '480px', padding: '30px', height: 'auto', minHeight: 'auto', overflow: 'visible' });
            const closeBtn = m.querySelector('.pk-modal-close');
            if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });
        }

        const bindSelect = (id, onSelect) => {
            const container = m.querySelector(`#${id}`);
            const trigger = container.querySelector('.pk-select-trigger');
            const menu = container.querySelector('.pk-select-menu');
            const txt = container.querySelector('span');

            trigger.onclick = (e) => {
                e.stopPropagation();
                const allMenus = m.querySelectorAll('.pk-select-menu');
                const isCurrentlyOpen = menu.style.display === 'block';
                allMenus.forEach(om => om.style.display = 'none');
                menu.style.display = isCurrentlyOpen ? 'none' : 'block';
            };

            container.querySelectorAll('.pk-select-item').forEach(item => {
                item.onclick = (e) => {
                    e.stopPropagation();
                    container.querySelectorAll('.pk-select-item').forEach(i => i.classList.remove('act'));
                    item.classList.add('act');
                    txt.textContent = item.textContent;
                    menu.style.display = 'none';
                    onSelect(item.dataset.val);
                };
            });
        };

        const runBtn = m.querySelector('#ext_run');

        bindSelect('cs_res', (val) => { selectedUrl = val; });
        bindSelect('cs_player', (val) => {
            selectedPlayer = val;
            runBtn.textContent = (val === 'potplayer') ? L.btn_start_play : L.btn_copy_link;
        });

        const closeAllMenus = () => m.querySelectorAll('.pk-select-menu').forEach(om => om.style.display = 'none');
        setTimeout(() => document.addEventListener('click', closeAllMenus), 0);

        const _orgRemove = m.remove.bind(m);
        m.remove = () => {
            document.removeEventListener('click', closeAllMenus);
            _orgRemove();
        };

        m.querySelector('#ext_cancel').onclick = () => m.remove();

        m.tabIndex = 0;
        setTimeout(() => m.focus(), 10);
        m.addEventListener('keydown', (e) => {
            if (e.key === 'Enter') {
                e.preventDefault(); e.stopPropagation();
                runBtn.click();
            }
        });

        runBtn.onclick = () => {
            gmSet('pk_ext_player', selectedPlayer);

            let cleanUrl = selectedUrl.replace('&ext=.m3u8', '');
            if (cleanUrl.includes('ts_downloader') && cleanUrl.includes('url=')) {
                const urlParam = new URL(cleanUrl).searchParams.get('url');
                if (urlParam) cleanUrl = decodeURIComponent(urlParam);
            }

            if (selectedPlayer === 'potplayer') {
                m.remove();
                const ua = navigator.userAgent.replace(/"/g, '');
                const cmd = `${cleanUrl} /user_agent="${ua}" /referer="https://mypikpak.com/"`;
                window.location.href = `potplayer://${cmd}`;
            } else {
                GM_setClipboard(cleanUrl);
                runBtn.textContent = L.msg_copy_success;
                runBtn.style.background = "#52c41a";
                runBtn.disabled = true;
                setTimeout(() => m.remove(), 1000);
            }
        };
    };

    if (UI.btnImgSearch) {
        UI.btnImgSearch.onclick = () => {
            if (UI.btnImgSearch.disabled) return;
            const id = S.getSelectedIds()[0];
            const item = S.itemMap.get(id);
            if (!item || !item.thumbnail_link) return;

            const thumbUrl = item.thumbnail_link.replace('SIZE_MEDIUM', 'SIZE_LARGE');
            const thumbImg = new Image();
            thumbImg.crossOrigin = 'anonymous';
            thumbImg.src = thumbUrl;
            startImageSearch(thumbImg, item.name, document.body, thumbUrl);
        };
    }

    UI.win.querySelector('#pk-down').onclick = async () => {
        const selectedIds = S.getSelectedIds();
        const hasConflict = selectedIds.some(id => {
            const item = S.itemMap.get(id);
            if (item && item.kind === 'drive#folder') return isPathBusy(item.id);
            return S.movingIds.has(id);
        });
        if (hasConflict) {
            showAlert(L.msg_resource_locked_download);
            return;
        }

        setLoad(true);
        isGUISensitive = true;
        const abortCtrl = new AbortController();
        const { signal } = abortCtrl;
        let isRunning = true;

        UI.stopBtn.onclick = () => { isRunning = false; abortCtrl.abort(); updateLoadTxt(L.str_stopping); };

        const allFiles = [];
        const rootNodes = [];
        const HYDRATE_LIMIT = 20;

        selectedIds.forEach(id => {
            const item = S.itemMap.get(id);
            if (item) {
                if (item.kind === 'drive#folder') rootNodes.push({...item, lineage:[], retryCount: 0});
                else allFiles.push(item);
            }
        });

        let progressTask = null;
        const fExtStr = gmGet('pk_dl_filter_ext', '').toLowerCase();
        const fNameStr = gmGet('pk_dl_filter_name', '').toLowerCase();
        const fExts = fExtStr.split(/[,，]/).map(s => s.trim().replace(/^\./, '')).filter(Boolean);
        const fNames = fNameStr.split(/[,，]/).map(s => s.trim()).filter(Boolean);
        const filterStats = { scanned: 0, blocked: 0 };

        const fSizeMinStr = gmGet('pk_dl_filter_size_min', '');
        const fSizeMaxStr = gmGet('pk_dl_filter_size_max', '');
        const fSizeUnitStr = gmGet('pk_dl_filter_size_unit', 'MB');
        let fSizeMin = fSizeMinStr ? parseFloat(fSizeMinStr) : -1;
        let fSizeMax = fSizeMaxStr ? parseFloat(fSizeMaxStr) : -1;
        if (fSizeUnitStr === 'GB') {
            if (fSizeMin >= 0) fSizeMin *= 1024 * 1024 * 1024;
            if (fSizeMax >= 0) fSizeMax *= 1024 * 1024 * 1024;
        } else if (fSizeUnitStr === 'TB') {
            if (fSizeMin >= 0) fSizeMin *= 1024 * 1024 * 1024 * 1024;
            if (fSizeMax >= 0) fSizeMax *= 1024 * 1024 * 1024 * 1024;
        } else {
            if (fSizeMin >= 0) fSizeMin *= 1024 * 1024;
            if (fSizeMax >= 0) fSizeMax *= 1024 * 1024;
        }

        const hasDownloadFilterRules = fExts.length > 0 || fNames.length > 0 || (Number.isFinite(fSizeMin) && fSizeMin >= 0) || (Number.isFinite(fSizeMax) && fSizeMax >= 0);

        try {
            await coreRecursiveEngine(rootNodes, {
                signal,
                onFile: (f) => {
                    filterStats.scanned++;
                    const lowName = f.name.toLowerCase();
                    const ext = lowName.split('.').pop();
                    let isBlocked = fExts.some(e => ext === e) || fNames.some(n => lowName.includes(n));
                    if (!isBlocked && (fSizeMin >= 0 || fSizeMax >= 0)) {
                        const sz = parseInt(f.size || 0);
                        if (fSizeMin >= 0 && sz < fSizeMin) isBlocked = true;
                        if (fSizeMax >= 0 && sz > fSizeMax) isBlocked = true;
                    }
                    if (isBlocked) {
                        filterStats.blocked++;
                        return;
                    }
                    allFiles.push(f);
                },
                onProgress: (st) => {
                    updateLoadTxt(`${L.msg_batch_scanning}\n${L.str_files}: ${allFiles.length} | ${L.str_speed}: ${st.currentConcurrency}`);
                }
            });

            if (!isRunning) throw new Error('StoppedByUser');
            if (allFiles.length === 0) {
                setLoad(false);
                if (hasDownloadFilterRules && filterStats.scanned > 0 && filterStats.blocked === filterStats.scanned) {
                    showToast(L.msg_batch_all_filtered.replace('{n}', filterStats.blocked));
                } else {
                    showToast(L.msg_batch_no_files);
                }
                return;
            }
            if (hasDownloadFilterRules && filterStats.blocked > 0) {
                showToast(L.msg_batch_filtered.replace('{n}', filterStats.blocked));
            }

            let totalBytes = 0;
            for (let i = 0; i < allFiles.length; i++) {
                totalBytes += parseInt((allFiles[i] && allFiles[i].size) || 0, 10) || 0;
            }
            const needsSoftConfirm = allFiles.length > CONF.browserDownloadConfirmFileCount || totalBytes > CONF.browserDownloadConfirmTotalBytes;

            setLoad(false);
            if (needsSoftConfirm) {
                const confirmText = L.msg_down_confirm_total
                .replace('{n}', allFiles.length)
                .replace('{s}', fmtSize(totalBytes))
                .replace('{fc}', CONF.browserDownloadConfirmFileCount)
                .replace('{fs}', fmtSize(CONF.browserDownloadConfirmTotalBytes));
                if (!await showConfirm(confirmText)) return;
            }

            progressTask = FloatBarManager.create(L.msg_batch_hydrating);

            const readyFiles = [];
            const hydrateQueue = [...allFiles];
            const activeTasks = new Set();
            const hydrateWithRetry = async (file, maxRetries = 3) => {
                if (file.web_content_link) return file;
                if (file.phase === "PHASE_TYPE_PENDING" || file.phase === "PHASE_TYPE_RUNNING" || file.trashed) return null;
                let lastErr = null;
                for (let i = 0; i < maxRetries; i++) {
                    if (!isRunning) return null;
                    try {
                        const detail = await apiGet(file.id);
                        if (detail && detail.web_content_link) return detail;
                        if (detail && (detail.phase === "PHASE_TYPE_PENDING" || detail.phase === "PHASE_TYPE_RUNNING")) return null;
                        throw new Error("Link Empty");
                    } catch (e) {
                        lastErr = e;
                        if (i < maxRetries - 1) await sleep(1000 * (i + 1));
                    }
                }
                throw lastErr;
            };

            while ((hydrateQueue.length > 0 || activeTasks.size > 0) && isRunning) {
                while (hydrateQueue.length > 0 && activeTasks.size < HYDRATE_LIMIT && isRunning) {
                    const file = hydrateQueue.pop();
                    const p = (async () => {
                        try {
                            const detail = await hydrateWithRetry(file);
                            if (detail) {
                                readyFiles.push(detail);
                            } else if (detail === null) {
                                console.warn(`[Hydrate Skipped] ${file.name}: File is pending/running or trashed`);
                            }
                        } catch (e) {
                            console.error(`[Hydrate Failed] ${file.name}:`, e);
                        }
                    })().finally(() => activeTasks.delete(p));
                    activeTasks.add(p);
                }
                if (activeTasks.size > 0) await Promise.race(activeTasks);
                if (progressTask) progressTask.update(`${L.msg_batch_hydrating} ${readyFiles.length} / ${allFiles.length}`);
            }

            for (let i = 0; i < readyFiles.length; i++) {
                if (!isRunning) break;
                if (progressTask) progressTask.update(`${L.msg_down_progress} ${i + 1} / ${readyFiles.length}`);

                const link = document.createElement('a');
                link.href = readyFiles[i].web_content_link;
                link.setAttribute('download', readyFiles[i].name);
                link.style.display = 'none';
                document.body.appendChild(link);
                link.click();

                setTimeout(() => { if (link.parentNode) link.remove(); }, 10000);

                if (i < readyFiles.length - 1) {
                    await sleep(2000);
                } else {
                    await sleep(1500);
                }
            }

            if (isRunning && readyFiles.length > 0) {
                showToast(L.msg_down_success.replace('{n}', readyFiles.length));
            }
        } catch (e) {
            if (e.message !== 'StoppedByUser' && e.name !== 'AbortError') showAlert(`${L.str_error}: ${e.message}`);
        } finally {
            setLoad(false);
            isGUISensitive = false;
            if (progressTask) progressTask.destroy();
        }
    };

    UI.win.querySelector('#pk-aria2').onclick = async () => {
        const selectedIds = S.getSelectedIds();
        const hasConflict = selectedIds.some(id => {
            const item = S.itemMap.get(id);
            if (item && item.kind === 'drive#folder') return isPathBusy(item.id);
            return S.movingIds.has(id);
        });
        if (hasConflict) {
            showAlert(L.msg_resource_locked_aria2);
            return;
        }
        let ariaUrl = gmGet('pk_aria2_url', '');
        let ariaToken = gmGet('pk_aria2_token', '');

        if (!ariaUrl) {
            const result = await new Promise((resolve) => {
                const m = showModal(`
                    <h3 style="border:none; margin:0 0 12px 0; font-size:18px; font-weight:700; color:var(--pk-fg); display:flex; align-items:center; gap:10px; line-height:24px;">
                        <span style="width:22px; height:22px; display:flex; align-items:center; justify-content:center; flex-shrink:0;">
                            ${CONF.icons.aria2.replace('width="16"', 'width="22"').replace('height="16"', 'width="22"')}
                        </span>
                        <span>${L.btn_aria2} - ${L.btn_settings}</span>
                    </h3>
                    <div style="font-size:13px; color:#888; margin-bottom:28px; line-height:1.5;">${L.msg_aria2_not_set}</div>

                    <div style="display:flex; flex-direction:column; gap:25px;">
                        <div style="position:relative; transform: translateZ(0);">
                            <div style="position:relative;">
                                <input type="text" id="pop_aria_url" value="${ariaUrl || 'http://localhost:6800/jsonrpc'}"
                                       placeholder="http://localhost:6800/jsonrpc" autocomplete="off"
                                       oninput="this.style.borderColor = this.value.trim() ? 'var(--pk-pri)' : 'var(--pk-bd)'"
                                       style="width:100%; height:44px; padding:0 70px 0 12px; border:2px solid ${ (ariaUrl || 'http://localhost:6800/jsonrpc') ? 'var(--pk-pri)' : 'var(--pk-bd)'}; border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:14px; font-weight:600; outline:none; transition:border-color 0.2s; box-sizing:border-box; transform: translateZ(0);">
                                <div class="pk-select-label">${L.label_aria2_url}</div>
                                <div id="btn_pop_aria_default" style="position:absolute; right:10px; top:50%; transform:translateY(-50%); font-size:11px; color:var(--pk-pri); cursor:pointer; font-weight:bold; padding:4px 8px; border-radius:4px; background:rgba(0,103,192,0.1); border:1px solid rgba(0,103,192,0.2);" onmouseover="this.style.background='rgba(0,103,192,0.2)'" onmouseout="this.style.background='rgba(0,103,192,0.1)'">${L.btn_default}</div>
                            </div>
                            <div class="pk-aria-status-box" id="pop_aria_test_res" style="cursor:help; margin-top: 8px;">
                                <div class="pk-aria-dot" id="pop_aria_test_dot"></div>
                                <span id="pop_aria_test_txt" style="color:#888; font-size: 11px;">${L.lbl_aria2_status}</span>
                            </div>
                        </div>

                        <div style="position:relative; transform: translateZ(0);">
                            <input type="text" id="pop_aria_token" value="${ariaToken || ''}" placeholder="${L.ph_aria2_secret}"
                                   autocomplete="one-time-code" spellcheck="false" data-lpignore="true" readonly onfocus="this.removeAttribute('readonly');"
                                   oninput="this.style.borderColor = this.value.trim() ? 'var(--pk-pri)' : 'var(--pk-bd)'"
                                   style="width:100%; height:44px; padding:0 48px 0 12px; border:2px solid ${ariaToken ? 'var(--pk-pri)' : 'var(--pk-bd)'}; border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:14px; font-weight:600; outline:none; transition:border-color 0.2s; box-sizing:border-box; -webkit-text-security: disc; transform: translateZ(0);">
                            <button type="button" id="btn_pop_aria_token_eye" class="pk-token-eye">${CONF.icons.eye}</button>
                            <div class="pk-select-label">${L.label_aria2_token}</div>
                        </div>
                    </div>

                    <div class="pk-modal-act" style="margin-top:30px; display:flex; justify-content:flex-end; gap:12px;">
                        <button class="pk-btn" id="pop_aria_cancel" style="height:40px; min-width:86px; padding:0 24px; border-radius:8px; justify-content:center; background:transparent; font-weight:500;">${L.btn_cancel}</button>
                        <button class="pk-btn pri" id="pop_aria_save" style="height:40px; min-width:86px; padding:0 24px; border-radius:8px; background:var(--pk-pri); color:#fff; font-weight:bold; justify-content:center; border:none; font-size:14px;">${L.btn_save} & ${L.btn_aria2}</button>
                    </div>
                `);

                const modalBox = m.querySelector('.pk-modal');
                if (modalBox) Object.assign(modalBox.style, { width: '480px', padding: '30px', height: 'auto', minHeight: 'auto', overflow: 'visible' });

                const closeBtn = m.querySelector('.pk-modal-close');
                if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });

                const inpU = m.querySelector('#pop_aria_url');
                const inpT = m.querySelector('#pop_aria_token');
                const inpTEye = m.querySelector('#btn_pop_aria_token_eye');
                const dot = m.querySelector('#pop_aria_test_dot');
                const txt = m.querySelector('#pop_aria_test_txt');
                const boxRes = m.querySelector('#pop_aria_test_res');
                let testTimer = null;
                let popAriaTokenVisible = false;

                const runLiveTest = async () => {
                    const url = inpU.value.trim();
                    const token = inpT.value.trim();
                    const showTip = () => showAlert(L.tip_mixed_content, L.lbl_aria2_status);

                    if (!url) {
                        dot.className = 'pk-aria-dot';
                        txt.textContent = L.lbl_aria2_status;
                        boxRes.onclick = showTip;
                        boxRes.style.cursor = 'pointer';
                        return;
                    }
                    dot.className = 'pk-aria-dot wait';
                    txt.textContent = L.str_connecting;
                    boxRes.onclick = showTip;
                    boxRes.style.cursor = 'pointer';
                    const testUrl = normalizeAriaRpcUrl(url);
                    const payload = { jsonrpc: '2.0', method: 'aria2.getVersion', id: 'pk_quick_test', params: buildAriaRpcParams(token) };
                    try {
                        await aria2RpcRequest(testUrl, payload, 3000);
                        dot.className = 'pk-aria-dot ok';
                        txt.textContent = L.str_connected;
                        boxRes.onclick = null;
                        boxRes.style.cursor = 'default';
                    } catch (e) {
                        dot.className = 'pk-aria-dot err';
                        txt.textContent = L.str_conn_fail;
                        boxRes.onclick = showTip;
                        boxRes.style.cursor = 'pointer';
                    }
                };

                const triggerTest = () => { clearTimeout(testTimer); testTimer = setTimeout(runLiveTest, 600); };
                inpU.oninput = (e) => {
                    e.target.style.borderColor = e.target.value.trim() ? 'var(--pk-pri)' : 'var(--pk-bd)';
                    triggerTest();
                };
                inpT.oninput = (e) => {
                    e.target.style.borderColor = e.target.value.trim() ? 'var(--pk-pri)' : 'var(--pk-bd)';
                    triggerTest();
                };
                if (inpTEye) {
                    inpTEye.onclick = (e) => {
                        e.preventDefault();
                        e.stopPropagation();
                        popAriaTokenVisible = !popAriaTokenVisible;
                        inpT.style.webkitTextSecurity = popAriaTokenVisible ? 'none' : 'disc';
                        inpTEye.innerHTML = popAriaTokenVisible ? CONF.icons.eyeOff : CONF.icons.eye;
                    };
                }

                m.querySelector('#btn_pop_aria_default').onclick = () => {
                    inpU.value = 'http://localhost:6800/jsonrpc';
                    inpU.style.borderColor = 'var(--pk-pri)';
                    triggerTest();
                };

                setTimeout(runLiveTest, 200);

                m.querySelector('#pop_aria_cancel').onclick = () => { m.remove(); resolve(null); };
                m.querySelector('.pk-modal-close').onclick = () => { m.remove(); resolve(null); };

                m.querySelector('#pop_aria_save').onclick = async () => {
                    let u = inpU.value.trim();
                    let t = inpT.value.trim();
                    if (!u) { inpU.style.borderColor = '#d93025'; return; }
                    if (!/^https?:\/\/|^wss?:\/\//i.test(u)) u = 'http://' + u;

                    const saveBtn = m.querySelector('#pop_aria_save');
                    const originalTxt = saveBtn.textContent;

                    saveBtn.disabled = true;
                    saveBtn.textContent = L.str_saving_dots;

                    try {
                        u = normalizeAriaRpcUrl(u);
                        const payload = { jsonrpc: '2.0', method: 'aria2.getVersion', id: 'pk_quick_test', params: buildAriaRpcParams(t) };
                        await aria2RpcRequest(u, payload, 5000);

                        gmSet('pk_aria2_url', u); gmSet('pk_aria2_token', t);
                        m.remove();
                        resolve({ url: u, token: t });

                    } catch (err) {
                        const confirmed = await showConfirm(
                            L.msg_aria2_test_fail,
                            L.title_aria2_fail
                        );

                        if (confirmed) {
                            gmSet('pk_aria2_url', u); gmSet('pk_aria2_token', t);
                            m.remove();
                            resolve({ url: u, token: t });
                        } else {
                            saveBtn.disabled = false;
                            saveBtn.textContent = originalTxt;
                        }
                    }
                };

                m.tabIndex = 0;
                setTimeout(() => m.focus(), 10);
                m.addEventListener('keydown', (e) => {
                    if (e.key === 'Enter') {
                        e.preventDefault(); e.stopPropagation();
                        m.querySelector('#pop_aria_save').click();
                    }
                });
            });

            if (!result) return;
            ariaUrl = result.url;
            ariaToken = result.token;
        }

        setLoad(true);
        isGUISensitive = true;
        const abortCtrl = new AbortController();
        const { signal } = abortCtrl;
        let isRunning = true;

        UI.stopBtn.onclick = () => { isRunning = false; abortCtrl.abort(); updateLoadTxt(L.str_stopping); };

        ariaUrl = normalizeAriaRpcUrl(ariaUrl);

        const allFiles = [];
        const rootNodes = [];
        const HYDRATE_LIMIT = 40;
        const fExtStr = gmGet('pk_dl_filter_ext', '').toLowerCase();
        const fNameStr = gmGet('pk_dl_filter_name', '').toLowerCase();
        const fExts = fExtStr.split(/[,，]/).map(s => s.trim().replace(/^\./, '')).filter(Boolean);
        const fNames = fNameStr.split(/[,，]/).map(s => s.trim()).filter(Boolean);
        const stats = { hydratedCount: 0, lastUiTime: 0 };
        const filterStats = { scanned: 0, blocked: 0 };

        const fSizeMinStr = gmGet('pk_dl_filter_size_min', '');
        const fSizeMaxStr = gmGet('pk_dl_filter_size_max', '');
        const fSizeUnitStr = gmGet('pk_dl_filter_size_unit', 'MB');
        let fSizeMin = fSizeMinStr ? parseFloat(fSizeMinStr) : -1;
        let fSizeMax = fSizeMaxStr ? parseFloat(fSizeMaxStr) : -1;
        if (fSizeUnitStr === 'GB') {
            if (fSizeMin >= 0) fSizeMin *= 1024 * 1024 * 1024;
            if (fSizeMax >= 0) fSizeMax *= 1024 * 1024 * 1024;
        } else if (fSizeUnitStr === 'TB') {
            if (fSizeMin >= 0) fSizeMin *= 1024 * 1024 * 1024 * 1024;
            if (fSizeMax >= 0) fSizeMax *= 1024 * 1024 * 1024 * 1024;
        } else {
            if (fSizeMin >= 0) fSizeMin *= 1024 * 1024;
            if (fSizeMax >= 0) fSizeMax *= 1024 * 1024;
        }

        const hasDownloadFilterRules = fExts.length > 0 || fNames.length > 0 || (Number.isFinite(fSizeMin) && fSizeMin >= 0) || (Number.isFinite(fSizeMax) && fSizeMax >= 0);

        const selectedIdsForAria2 = S.getSelectedIds();
        selectedIdsForAria2.forEach(id => {
            const item = S.itemMap.get(id);
            if (item) {
                if (item.kind === 'drive#folder') {
                    rootNodes.push({...item, lineage: [{ id: item.id, name: item.name }], retryCount: 0});
                } else {
                    allFiles.push({ ...item, _lineage: [] });
                }
            }
        });

        let progressTask = null;
        try {
            await coreRecursiveEngine(rootNodes, {
                signal,
                onFile: (f, parent) => {
                    filterStats.scanned++;
                    const lowName = f.name.toLowerCase();
                    const ext = lowName.split('.').pop();
                    let isBlocked = fExts.some(e => ext === e) || fNames.some(n => lowName.includes(n));
                    if (!isBlocked && (fSizeMin >= 0 || fSizeMax >= 0)) {
                        const sz = parseInt(f.size || 0);
                        if (fSizeMin >= 0 && sz < fSizeMin) isBlocked = true;
                        if (fSizeMax >= 0 && sz > fSizeMax) isBlocked = true;
                    }
                    if (isBlocked) {
                        filterStats.blocked++;
                        return;
                    }
                    f._lineage = parent.lineage || [];
                    allFiles.push(f);
                },
                onProgress: (st) => {
                    const now = Date.now();
                    if (now - stats.lastUiTime > 150) {
                        updateLoadTxt(`${L.msg_batch_scanning}\n${L.str_files}: ${allFiles.length} | ${L.str_speed}: ${st.currentConcurrency}`);
                        stats.lastUiTime = now;
                    }
                }
            });

            if (!isRunning) throw new Error('StoppedByUser');
            if (allFiles.length === 0) {
                setLoad(false);
                if (hasDownloadFilterRules && filterStats.scanned > 0 && filterStats.blocked === filterStats.scanned) {
                    showToast(L.msg_batch_all_filtered.replace('{n}', filterStats.blocked));
                } else {
                    showToast(L.msg_batch_no_files);
                }
                return;
            }
            if (hasDownloadFilterRules && filterStats.blocked > 0) {
                showToast(L.msg_batch_filtered.replace('{n}', filterStats.blocked));
            }

            setLoad(false);
            progressTask = FloatBarManager.create(L.msg_batch_hydrating);

            const readyFiles =[];
            const failedFiles = [];
            const hydrateQueue = [...allFiles];
            const activeTasks = new Set();

            const hydrateWithRetry = async (file, maxRetries = 3) => {
                if (file.web_content_link) return file;
                if (file.phase === "PHASE_TYPE_PENDING" || file.phase === "PHASE_TYPE_RUNNING" || file.trashed) return null;
                let lastErr = null;
                for (let i = 0; i < maxRetries; i++) {
                    if (!isRunning) return null;
                    try {
                        const detail = await apiGet(file.id);
                        if (detail && detail.web_content_link) return detail;
                        if (detail && (detail.phase === "PHASE_TYPE_PENDING" || detail.phase === "PHASE_TYPE_RUNNING")) return null;
                        throw new Error("Link Empty");
                    } catch (e) {
                        lastErr = e;
                        if (i < maxRetries - 1) await sleep(1000 * (i + 1));
                    }
                }
                throw lastErr;
            };

            while ((hydrateQueue.length > 0 || activeTasks.size > 0) && isRunning) {
                while (hydrateQueue.length > 0 && activeTasks.size < HYDRATE_LIMIT && isRunning) {
                    const file = hydrateQueue.pop();
                    const p = (async () => {
                        try {
                            const detail = await hydrateWithRetry(file);
                            if (detail) {
                                detail._lineage = file._lineage;
                                readyFiles.push(detail);
                            } else if (detail === null) {
                                console.warn(`[Hydrate Skipped] ${file.name}: File is pending/running or trashed`);
                            }
                        } catch (e) {
                            console.error(`[Hydrate Failed] ${file.name}:`, e);
                            failedFiles.push(file.name + " " + L.str_aria2_fetch_err);
                        }
                    })().finally(() => {
                        activeTasks.delete(p);
                        stats.hydratedCount++;
                        if (progressTask) progressTask.update(`${L.msg_batch_hydrating} ${stats.hydratedCount} / ${allFiles.length}`);
                    });
                    activeTasks.add(p);
                }
                if (activeTasks.size > 0) await Promise.race(activeTasks);
            }

            if (!isRunning) throw new Error('StoppedByUser');

            if (readyFiles.length > 0 && isRunning) {
                const BATCH_SIZE = 50;
                let successCount = 0;
                let rpcFatalError = false;

                for (let i = 0; i < readyFiles.length; i += BATCH_SIZE) {
                    if (!isRunning || rpcFatalError) break;
                    const chunk = readyFiles.slice(i, i + BATCH_SIZE);

                    const sanitize = (s) => s.replace(/[\\/:*?"<>|]/g, '_').trim();
                    const payload = chunk.map(f => {
                        let relativePrefix = '';
                        if (f._lineage && f._lineage.length > 0) {
                            relativePrefix = f._lineage.map(n => sanitize(n.name)).join('/') + '/';
                        }
                        const outPath = relativePrefix + sanitize(f.name);

                        return {
                            jsonrpc: '2.0', method: 'aria2.addUri',
                            id: `pk_${Date.now()}_${Math.random().toString(16).slice(2)}`,
                            params: buildAriaRpcParams(ariaToken, [[f.web_content_link], {
                                out: outPath,
                                header: [`User-Agent: ${navigator.userAgent}`, `Referer: https://mypikpak.com/`]
                            }])
                        };
                    });

                    try {
                        await aria2RpcRequest(ariaUrl, payload, Math.max(10000, chunk.length * 800));
                        successCount += chunk.length;
                    } catch (rpcErr) {
                        console.error("[RPC Batch Error]", rpcErr);
                        chunk.forEach(f => failedFiles.push(f.name + " " + L.str_aria2_rpc_err));

                        if (rpcErr.message === "Network Error" || rpcErr.message === "Timeout") {
                            console.warn("[RPC Circuit Breaker] Aria2 disconnected. Aborting remaining batches.");
                            rpcFatalError = true;
                            const remainingFiles = readyFiles.slice(i + BATCH_SIZE);
                            remainingFiles.forEach(f => failedFiles.push(f.name + " " + L.str_aria2_aborted));
                        }
                    }

                    if (progressTask) progressTask.update(`${L.msg_aria2_sending_batch} ${successCount} / ${readyFiles.length}`);
                }

                if (failedFiles.length > 0) {
                    let failListText = failedFiles.slice(0, 10).join('\n');
                    if (failedFiles.length > 10) {
                        failListText += '\n...';
                        failListText += L.msg_aria2_batch_fail_log;
                    }

                    await showAlert(`${L.str_failed} ${failedFiles.length} ${L.str_items}\n\n${failListText}`, L.title_alert);

                    if (failedFiles.length > 10) {
                        try {
                            const blob = new Blob([failedFiles.join('\r\n')], { type: 'text/plain;charset=utf-8' });
                            const url = URL.createObjectURL(blob);
                            const a = document.createElement('a');
                            const now = new Date();
                            const dateStr = now.toISOString().replace(/[:.]/g, '-').slice(0, 19);

                            a.href = url;
                            a.download = `${L.str_aria2_fail_file_name}_${dateStr}.txt`;
                            document.body.appendChild(a);
                            a.click();

                            setTimeout(() => {
                                if (a.parentNode) document.body.removeChild(a);
                                URL.revokeObjectURL(url);
                            }, 1000);
                        } catch (exportErr) {
                            console.error("[Export Error] Failed to generate failure log:", exportErr);
                        }
                    }
                } else {
                    showToast(L.msg_aria2_sent.replace('{n}', successCount));
                }
            }
        } catch (e) {
            if (e.message !== 'StoppedByUser' && e.name !== 'AbortError') {
                showAlert(`${L.msg_aria2_check_fail}\n(${e.message})`);
            }
        } finally {
            setLoad(false);
            isGUISensitive = false;
            if (progressTask) progressTask.destroy();
        }
    };

    const ensureItemMap = () => {
        S.itemMap.clear();
        const len = S.items.length;
        for (let i = 0; i < len; i++) {
            const item = S.items[i];
            if (item && item.id) {
                S.itemMap.set(item.id, item);
            }
        }
    };

    const executeBatchDelete = async (ids, options = {}) => {
        const {
            silent = false,
            deleteFiles = false,
            isTask = false,
            forceRefresh = false,
            hardDelete = false,
            explicitItems = []
        } = options;

        if (!ids || ids.length === 0) return;

        const tempItemLookup = new Map();
        if (S.itemMap) S.itemMap.forEach((v, k) => tempItemLookup.set(k, v));
        if (explicitItems && explicitItems.length > 0) {
            explicitItems.forEach(item => {
                if (item && item.id) tempItemLookup.set(item.id, item);
            });
        }

        const BATCH_SIZE = 200;
        const SKIP_VERIFY = false;

        const progressTask = FloatBarManager.create(L.str_deleting);
        const updateFloat = progressTask.update;

        S.movingSourceId = S.path[S.path.length - 1].id || 'root';
        S.movingDestId = 'trash';

        const allLockedIdsArray =[];

        ids.forEach(id => {
            S.movingIds.add(id);
            allLockedIdsArray.push(id);

            if (isTask && deleteFiles) {
                const taskItem = tempItemLookup.get(id);
                if (taskItem && taskItem.file_id) {
                    S.movingIds.add(taskItem.file_id);
                    allLockedIdsArray.push(taskItem.file_id);
                }
            }
        });

        if (S.broadcast) S.broadcast.postMessage({
            type: 'LOCK_ADD',
            ids: allLockedIdsArray,
            src: S.movingSourceId,
            dst: S.movingDestId
        });

        if (typeof updateGlobalLockCSS === 'function') updateGlobalLockCSS();

        isGUISensitive = true;
        S.sel.clear();
        S.lastSelIdx = -1;
        S.activeId = null;

        try {
            const totalToDelete = ids.length;
            let deletedCount = 0;
            const affectedParentIds = new Set();
            const deletedSet = new Set();

            affectedParentIds.add(S.path[S.path.length - 1].id || 'root');

            for (let i = 0; i < totalToDelete; i += BATCH_SIZE) {
                const chunk = ids.slice(i, i + BATCH_SIZE);

                let retry = 0;
                const maxRetries = 3;
                let success = false;

                while (retry < maxRetries && !success) {
                    try {
                        if (isTask) {
                            await apiCancelTask(chunk, deleteFiles);
                        } else {
                            const action = hardDelete ? 'files:batchDelete' : 'files:batchTrash';
                            const res = await fetch(`https://api-drive.mypikpak.com/drive/v1/${action}`, {
                                method: 'POST',
                                headers: getHeaders(),
                                body: JSON.stringify({ ids: chunk })
                            });
                            if (!res.ok) throw new Error(`API ${res.status}`);
                        }
                        success = true;
                    } catch (err) {
                        retry++;
                        console.warn(`[Delete] Retry ${retry}/${maxRetries}`);
                        updateFloat(`${L.str_deleting} (Retry ${retry})...`);
                        await sleep(1000 * retry);
                        if (retry >= maxRetries) throw err;
                    }
                }

                if (!isTask && chunk.length > 0 && !SKIP_VERIFY) {
                    const lastId = chunk[chunk.length - 1];
                    let verifyRetries = 0;
                    while (verifyRetries < 20) {
                        try {
                            const meta = await apiGet(lastId);
                            if (!hardDelete && meta.trashed) break;
                        } catch (e) {
                            break;
                        }
                        updateFloat(`${L.str_deleting} ${deletedCount}/${totalToDelete}`);
                        verifyRetries++;
                        await sleep(500);
                    }
                }

                const chunkSet = new Set(chunk);
                const chunkLockedIds =[];

                chunk.forEach(id => {
                    S.movingIds.delete(id);
                    chunkLockedIds.push(id);

                    const it = tempItemLookup.get(id);

                    let physicalFolderId = null;
                    if (it) {
                        if (it.kind === 'drive#folder') {
                            physicalFolderId = it.id;
                        } else if (isTask && deleteFiles && it.file_id) {
                            const isFolderTask = (it.mime_type && (it.mime_type.includes('folder') || it.mime_type.includes('directory'))) ||
                                                 (it.icon_link && it.icon_link.includes('folder')) ||
                                                 (typeof globalCache !== 'undefined' && globalCache.has(it.file_id));
                            if (isFolderTask) {
                                physicalFolderId = it.file_id;
                            }
                        }
                    }

                    if (physicalFolderId && typeof globalCache !== 'undefined') {
                        const purgeDescendants = (fid) => {
                            const data = globalCache.get(fid) || (S.cache ? S.cache.get(fid) : null);
                            if (data) {
                                globalTombstoneCache.set(fid, Array.isArray(data) ?[...data] : {...data});

                                const list = Array.isArray(data) ? data : (data.items ||[]);
                                list.forEach(child => {
                                    deletedSet.add(child.id);
                                    S.itemMap.delete(child.id);
                                    if (child.kind === 'drive#folder') {
                                        purgeDescendants(child.id);
                                    }
                                });
                                globalCache.delete(fid);
                                if (S.cache) S.cache.delete(fid);
                            }
                        };
                        purgeDescendants(physicalFolderId);
                    }

                    if (isTask && deleteFiles && it && it.file_id) {
                        S.movingIds.delete(it.file_id);
                        chunkLockedIds.push(it.file_id);
                        deletedSet.add(it.file_id);

                        if (typeof globalParentIndex !== 'undefined' && globalParentIndex.has(it.file_id)) {
                            const parentInfo = globalParentIndex.get(it.file_id);
                            if (parentInfo && parentInfo.id) {
                                affectedParentIds.add(parentInfo.id === 'root' ? '' : parentInfo.id);
                            }
                        }
                        affectedParentIds.add('root');
                        affectedParentIds.add('');
                    }

                    if (it && S.analyzeMap) {
                        const analyzeTargetId = physicalFolderId || id;

                        const analyzeIdsToRemove = new Set([analyzeTargetId, id]);
                        const queue = [analyzeTargetId, id];
                        while (queue.length > 0) {
                            const currId = queue.shift();
                            S.analyzeMap.forEach((node, nId) => {
                                if (node.parentId === currId && !analyzeIdsToRemove.has(nId)) {
                                    analyzeIdsToRemove.add(nId);
                                    queue.push(nId);
                                }
                            });
                        }

                        analyzeIdsToRemove.forEach(remId => {
                            if (S.analyzeMap.has(remId)) S.analyzeMap.delete(remId);
                        });

                        const lostSize = parseInt(it.size || 0);
                        if (lostSize > 0) {
                            let currPid = it.parent_id;
                            if (!currPid && isTask && typeof globalParentIndex !== 'undefined') {
                                const pInfo = globalParentIndex.get(it.file_id);
                                if (pInfo) currPid = pInfo.id;
                            }
                            let safety = 50;
                            while (currPid && S.analyzeMap.has(currPid) && safety > 0) {
                                const pNode = S.analyzeMap.get(currPid);
                                pNode.size = Math.max(0, pNode.size - lostSize);
                                currPid = pNode.parentId;
                                safety--;
                            }
                        }

                        if (S.analyzeSimGroups) {
                            S.analyzeSimGroups.forEach(group => {
                                group.ids = group.ids.filter(gid => !analyzeIdsToRemove.has(gid));
                            });
                            S.analyzeSimGroups = S.analyzeSimGroups.filter(group => group.ids.length >= 2);

                            if (S.analyzeSimGroups.length === 0) {
                                setTimeout(() => { if (UI.btnExit) UI.btnExit.click(); }, 500);
                            }
                        }

                        if (S.analyzeResultItems) {
                            S.analyzeResultItems = S.analyzeResultItems.filter(x => !analyzeIdsToRemove.has(x.id));
                            S.analyzeResultItems.forEach(resItem => {
                                if (S.analyzeMap.has(resItem.id)) {
                                    resItem.size = S.analyzeMap.get(resItem.id).size.toString();
                                }
                            });
                        }
                    }

                    if (it && it.parent_id) affectedParentIds.add(it.parent_id);
                    S.itemMap.delete(id);
                    deletedSet.add(id);
                });

                if (S.broadcast) S.broadcast.postMessage({ type: 'LOCK_REM', ids: chunkLockedIds });

                if (typeof updateGlobalLockCSS === 'function') updateGlobalLockCSS();

                S.items = S.items.filter(x => !deletedSet.has(x.id));

                if (typeof pkState !== 'undefined' && pkState && pkState.lastGlobalResults) {
                    pkState.lastGlobalResults = pkState.lastGlobalResults.filter(x => !deletedSet.has(x.id));
                }

                if (typeof globalCache !== 'undefined') {
                    const cleanListChunk = (raw) => {
                        if (Array.isArray(raw)) return raw.filter(f => !deletedSet.has(f.id));
                        if (raw && Array.isArray(raw.items)) {
                            raw.items = raw.items.filter(f => !deletedSet.has(f.id));
                            return raw;
                        }
                        return raw;
                    };
                    for (const key of globalCache.keys()) {
                        globalCache.set(key, cleanListChunk(globalCache.get(key)));
                    }
                    for (const key of S.cache.keys()) {
                        S.cache.set(key, cleanListChunk(S.cache.get(key)));
                    }
                }

                if (!forceRefresh) {
                    if (S.dupMode) renderDupView();
                    else refresh();
                }

                await new Promise(r => requestAnimationFrame(r));

                deletedCount += chunk.length;
                updateFloat(`${L.str_deleting} ${Math.min(deletedCount, totalToDelete)} / ${totalToDelete}`);

                if (deletedCount < totalToDelete) await sleep(50);
            }

            const cur = S.path[S.path.length - 1];
            if (cur && cur.id) gmSet('pk_fmod_' + cur.id, new Date(getServerNow()).toISOString());

            if (typeof globalCache !== 'undefined') {
                const cleanList = (raw) => {
                    if (Array.isArray(raw)) return raw.filter(f => !deletedSet.has(f.id));
                    if (raw && Array.isArray(raw.items)) {
                        raw.items = raw.items.filter(f => !deletedSet.has(f.id));
                        return raw;
                    }
                    return raw;
                };

                for (const key of globalCache.keys()) {
                    globalCache.set(key, cleanList(globalCache.get(key)));
                }

                for (const key of S.cache.keys()) {
                    S.cache.set(key, cleanList(S.cache.get(key)));
                }

                affectedParentIds.forEach(pid => {
                    const keysToCheck = (pid === 'root' || pid === '') ? ['root', ''] : [pid];
                    keysToCheck.forEach(key => {
                        if (typeof globalDirtyFolders !== 'undefined') globalDirtyFolders.add(key);
                    });
                });
                globalCache.delete('root_trashed');
                S.cache.delete('root_trashed');

                if (typeof runBackgroundCrawler === 'function') runBackgroundCrawler();
            }

            if (window.pkSmartRefreshTrigger) window.pkSmartRefreshTrigger();

            if (forceRefresh) {
                await load(false, true);
            } else {
                updateStat();
                setTimeout(() => updateQuotaUI(), 2000);
            }

            if (!silent && !S.dupMode) {
                showToast(isTask ? L.msg_task_deleted : L.msg_del_items_done.replace('{n}', deletedCount));
            }

        } catch (e) {
            console.error(e);
            showAlert(`${L.str_error}: ${e.message}`);
        } finally {

            if (typeof allLockedIdsArray !== 'undefined' && allLockedIdsArray.length > 0) {
                allLockedIdsArray.forEach(id => S.movingIds.delete(id));

                if (S.broadcast) S.broadcast.postMessage({ type: 'LOCK_REM', ids: allLockedIdsArray });
            } else if (ids && ids.length > 0) {
                ids.forEach(id => S.movingIds.delete(id));
                if (S.broadcast) S.broadcast.postMessage({ type: 'LOCK_REM', ids: ids });
            }

            if (typeof updateGlobalLockCSS === 'function') updateGlobalLockCSS();

            if (S.movingIds.size === 0) {
                isGUISensitive = false;
            }

            if (progressTask) progressTask.destroy();
        }
    };

    UI.btnDel.onclick = async () => {
        const selectedIds = S.getSelectedIds();
        const count = selectedIds.length;
        if (!count) return;

        if (S.historyMode) {
            if (!await showConfirm(L.warn_clear_history.replace('{n}', count))) return;

            const selIds = new Set(selectedIds);
            selIds.forEach(id => {
                gmSet('pk_progress_' + id, null);
                S.itemMap.delete(id);
            });
            S.items = S.items.filter(it => !selIds.has(it.id));
            S.clearSelection();
            refresh();
            showToast(L.msg_clear_history_done);
            return;
        }

        if (S.offlineMode) {
            const html = `
                <div style="padding: 5px 0 0 0;">
                    <h3 style="margin:0 0 25px 0; font-size:18px; font-weight:700; color:var(--pk-fg); border:none; line-height:1.4;">
                        ${L.title_del_task_confirm_fmt.replace('{n}', count)}
                    </h3>
                    <label style="display:flex; align-items:center; cursor:pointer; user-select:none; margin-bottom:35px; font-size:14px; color:var(--pk-fg);">
                        <input type="checkbox" id="del_task_files" style="width:18px; height:18px; margin-right:10px; accent-color:var(--pk-pri); cursor:pointer;">
                        <span style="opacity:0.9;">${L.lbl_del_cloud_files_too}</span>
                    </label>
                    <div class="pk-modal-act" style="display:flex; justify-content:flex-end; gap:12px;">
                        <button class="pk-btn" id="del_task_cancel" style="height:36px; padding:0 24px; border-radius:6px; background:transparent; border:1px solid var(--pk-bd); font-weight:500; color:var(--pk-fg);">${L.btn_cancel}</button>
                        <button class="pk-btn pri" id="del_task_confirm" style="height:36px; padding:0 24px; border-radius:6px; background:var(--pk-pri); color:#fff; font-weight:600; border:none; box-shadow: 0 2px 6px rgba(0,0,0,0.2);">${L.btn_del}</button>
                    </div>
                </div>
            `;

            if (typeof m !== 'undefined' && m.remove) m.remove();
            const taskModal = showModal(html);
            const modalBox = taskModal.querySelector('.pk-modal');
            if (modalBox) { modalBox.style.width = "420px"; modalBox.style.padding = "24px"; modalBox.style.borderRadius = "12px"; }

            const close = () => taskModal.remove();
            taskModal.querySelector('#del_task_cancel').onclick = close;
            const closeBtn = taskModal.querySelector('.pk-modal-close');
            if(closeBtn) closeBtn.onclick = close;

            taskModal.querySelector('#del_task_confirm').onclick = async () => {
                const isDeleteFile = taskModal.querySelector('#del_task_files').checked;
                taskModal.remove();
                await executeBatchDelete(selectedIds, { isTask: true, deleteFiles: isDeleteFile, forceRefresh: true });
            };

            taskModal.tabIndex = 0;
            setTimeout(() => taskModal.focus(), 10);
            taskModal.addEventListener('keydown', (e) => {
                if (e.key === 'Enter') {
                    e.preventDefault(); e.stopPropagation();
                    taskModal.querySelector('#del_task_confirm').click();
                }
            });
            return;
        }

        ensureItemMap();

        setLoad(true);
        const totalCount = selectedIds.length;
        updateLoadTxt(`${L.str_checking_bl}\n0 / ${totalCount}`);
        await sleep(16);
        const blSet = S.blSet;
        const blFolderSet = S.blFolderSet;
        const toDeleteIds = [];
        let blacklistedCount = 0;
        let processed = 0;
        let lastYieldTime = performance.now();
        let protectedCount = 0;

        for (const id of selectedIds) {
            const item = S.itemMap.get(id);
            if (!item) { processed++; continue; }

            if (!S.trashMode && isSystemItem(item)) {
                protectedCount++;
                processed++;
                continue;
            }

            const lowerName = item.name.toLowerCase().trim();
            const isFolder = item.kind === 'drive#folder';

            const isProtectedMode = gmGet('pk_skip_bl_on_del', true);
            if (isProtectedMode && (isFolder ? blFolderSet.has(lowerName) : blSet.has(lowerName))) {
                blacklistedCount++;
            } else {
                toDeleteIds.push(id);
            }
            processed++;
            if ((processed % 500) === 0) {
                const now = performance.now();
                if (now - lastYieldTime > 12) {
                    updateLoadTxt(`${L.str_checking_bl}\n${processed} / ${totalCount}`);
                    await sleep(0);
                    lastYieldTime = performance.now();
                }
            }
        }

        setLoad(false);

        if (blacklistedCount > 0) {
            showToast(L.msg_del_protected.replace('{n}', blacklistedCount));
        }

        if (blacklistedCount > 0 && toDeleteIds.length === 0) {
            S.clearSelection();
            refresh();
            updateStat();
            return;
        }

        if (toDeleteIds.length === 0) {
            showAlert(L.msg_del_none);
            return;
        }

        const delRes = await showDeleteConfirm(L.warn_del.replace('{n}', toDeleteIds.length));
        if (!delRes.confirm) return;

        await executeBatchDelete(toDeleteIds, { hardDelete: delRes.hardDelete });
    };

    UI.btnDeselect.onclick = () => {
        S.clearSelection();
        refresh();
    };

    const processBlacklistAction = async (action) => {
        const selectedIds = S.getSelectedIds();
        const selectedIdSet = new Set(selectedIds);
        const totalSelected = selectedIds.length;
        if (totalSelected === 0) return;

        const isRemove = action === 'remove';
        const progressTask = FloatBarManager.create(L.str_init_op);
        const updateFloat = progressTask.update;

        let isRunning = true;
        UI.stopBtn.onclick = () => { isRunning = false; updateFloat(L.str_stopping); };

        await sleep(16);

        const getCleanKey = (str) => str ? str.toLowerCase().trim() : "";
        const parseList = (str) => str ? str.split(/[\r\n]+/).map(s => s.trim()).filter(s => s) : [];

        const fileListStr = gmGet('pk_blacklist', '');
        const folderListStr = gmGet('pk_blacklist_folders', '');

        let currentFiles = parseList(fileListStr);
        let currentFolders = parseList(folderListStr);

        const targetFileKeys = new Set();
        const targetFolderKeys = new Set();
        const toAddFiles = [];
        const toAddFolders = [];

        let processedCount = 0;
        let lastYieldTime = performance.now();

        const len = S.items.length;
        for (let i = 0; i < len; i++) {
            if (!isRunning) break;
            const item = S.items[i];
            if (selectedIdSet.has(item.id)) {
                const name = item.name.replace(/[\r\n\v\f\u2028\u2029]+/g, ' ').trim();
                const key = getCleanKey(name);
                if (item.kind === 'drive#folder') {
                    targetFolderKeys.add(key);
                    if (!isRemove) toAddFolders.push(name);
                } else {
                    targetFileKeys.add(key);
                    if (!isRemove) toAddFiles.push(name);
                }
                processedCount++;
                if ((processedCount & 63) === 0) {
                    const now = performance.now();
                    if (now - lastYieldTime > 12) {
                        updateFloat(`${L.str_analyzing} ${processedCount} / ${totalSelected}`);
                        await sleep(0); lastYieldTime = performance.now();
                    }
                }
            }
        }

        if (!isRunning) { progressTask.destroy(); showAlert(L.msg_bl_stop); return; }

        updateFloat(L.str_processing);
        await sleep(10);

        let finalCount = 0;
        let dataChanged = false;

        if (isRemove) {
            const oldFileCount = currentFiles.length;
            const oldFolderCount = currentFolders.length;
            currentFiles = currentFiles.filter(name => !targetFileKeys.has(getCleanKey(name)));
            currentFolders = currentFolders.filter(name => !targetFolderKeys.has(getCleanKey(name)));
            if (oldFileCount !== currentFiles.length || oldFolderCount !== currentFolders.length) {
                dataChanged = true;
                finalCount = (oldFileCount - currentFiles.length) + (oldFolderCount - currentFolders.length);
            }
        } else {
            const existingFileKeys = new Set(currentFiles.map(s => getCleanKey(s)));
            const existingFolderKeys = new Set(currentFolders.map(s => getCleanKey(s)));
            let addedCount = 0;
            for (const name of toAddFiles) {
                const key = getCleanKey(name);
                if (!existingFileKeys.has(key)) { currentFiles.push(name); existingFileKeys.add(key); addedCount++; dataChanged = true; }
            }
            for (const name of toAddFolders) {
                const key = getCleanKey(name);
                if (!existingFolderKeys.has(key)) { currentFolders.push(name); existingFolderKeys.add(key); addedCount++; dataChanged = true; }
            }
            finalCount = addedCount;
        }

        if (dataChanged) {
            updateFloat(L.str_saving);
            await sleep(10);
            gmSet('pk_blacklist', currentFiles.join('\n'));
            gmSet('pk_blacklist_folders', currentFolders.join('\n'));
            S.updateBlCache();
            renderVisible();
        }

        progressTask.destroy();
        const msgTemplate = isRemove ? L.msg_bl_remove_done : L.msg_bl_add_done;
        showToast(msgTemplate.replace('{n}', finalCount));
    };

    UI.btnBlacklistManager.onclick = showBlacklistModal;
    if (UI.btnTrashBlacklistManager) UI.btnTrashBlacklistManager.onclick = showBlacklistModal;

    if (UI.uploadWrap && UI.btnUpload) {
        const uploadMenu = UI.uploadWrap.querySelector('.pk-dropdown-menu');

        const restoreUploadMenu = () => {
            if (!uploadMenu) return;
            if (uploadMenu._pkOriginParent && uploadMenu.parentNode !== uploadMenu._pkOriginParent) {
                uploadMenu._pkOriginParent.appendChild(uploadMenu);
            }
            uploadMenu.style.position = '';
            uploadMenu.style.top = '';
            uploadMenu.style.left = '';
            uploadMenu.style.right = '';
            uploadMenu.style.bottom = '';
            uploadMenu.style.marginTop = '';
            uploadMenu.style.zIndex = '';
            uploadMenu.style.minWidth = '';
            uploadMenu.style.visibility = '';
            uploadMenu.style.pointerEvents = '';
            uploadMenu.style.zoom = '';
            uploadMenu.style.transformOrigin = '';
            delete uploadMenu.dataset.pkPortal;
        };

        const closeUploadMenu = () => {
            if (!uploadMenu) return;
            if (uploadMenu._pkPlaceRaf1) cancelAnimationFrame(uploadMenu._pkPlaceRaf1);
            if (uploadMenu._pkPlaceRaf2) cancelAnimationFrame(uploadMenu._pkPlaceRaf2);
            uploadMenu._pkPlaceRaf1 = 0;
            uploadMenu._pkPlaceRaf2 = 0;
            uploadMenu.style.display = 'none';
            restoreUploadMenu();
            UI.uploadWrap.classList.remove('active');
        };

        const placeUploadMenu = () => {
            if (!uploadMenu) return;
            if (!uploadMenu._pkOriginParent) uploadMenu._pkOriginParent = UI.uploadWrap;

            const isGridView = !!(UI.win && UI.win.classList.contains('pk-grid-view'));

            if (!isGridView) {
                if (uploadMenu.parentNode !== uploadMenu._pkOriginParent) {
                    uploadMenu._pkOriginParent.appendChild(uploadMenu);
                }
                uploadMenu.classList.toggle('pk-dark', !!(el && el.classList.contains('pk-dark')));
                uploadMenu.style.position = 'absolute';
                uploadMenu.style.top = '100%';
                uploadMenu.style.right = '0';
                uploadMenu.style.left = 'auto';
                uploadMenu.style.bottom = 'auto';
                uploadMenu.style.marginTop = '6px';
                uploadMenu.style.zIndex = '';
                uploadMenu.style.minWidth = '';
                uploadMenu.style.visibility = '';
                uploadMenu.style.pointerEvents = '';
                delete uploadMenu.dataset.pkPortal;
                return;
            }

            if (uploadMenu.parentNode !== document.body) {
                document.body.appendChild(uploadMenu);
            }

            uploadMenu.classList.toggle('pk-dark', !!(el && el.classList.contains('pk-dark')));

            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            const btnRect = typeof getLogicalRect === 'function' ? getLogicalRect(UI.btnUpload) : UI.btnUpload.getBoundingClientRect();
            const pad = 8;

            uploadMenu.dataset.pkPortal = '1';
            uploadMenu.style.position = 'fixed';
            uploadMenu.style.left = '0';
            uploadMenu.style.top = '0';
            uploadMenu.style.right = 'auto';
            uploadMenu.style.bottom = 'auto';
            uploadMenu.style.marginTop = '0';
            uploadMenu.style.zIndex = '10060';
            uploadMenu.style.zoom = scale;
            uploadMenu.style.transformOrigin = 'top right';
            uploadMenu.style.minWidth = Math.max(Math.round(btnRect.width), 140) + 'px';
            uploadMenu.style.display = 'flex';
            uploadMenu.style.visibility = 'hidden';
            uploadMenu.style.pointerEvents = 'none';

            const menuRect = uploadMenu.getBoundingClientRect();
            const menuW = menuRect.width / scale;
            const menuH = menuRect.height / scale;
            const winW = window.innerWidth / scale;
            const winH = window.innerHeight / scale;

            let left = btnRect.right - menuW;
            let top = btnRect.bottom + 6;

            if (left < pad) left = pad;
            if (left + menuW > winW - pad) {
                left = winW - pad - menuW;
            }

            if (top + menuH > winH - pad) {
                top = btnRect.top - menuH - 6;
            }
            if (top < pad) top = pad;

            uploadMenu.style.left = Math.round(left) + 'px';
            uploadMenu.style.top = Math.round(top) + 'px';
            uploadMenu.style.visibility = '';
            uploadMenu.style.pointerEvents = '';
        };

        const requestPlaceUploadMenu = () => {
            if (!uploadMenu) return;
            if (uploadMenu.style.display !== 'flex') return;
            if (!UI.uploadWrap.classList.contains('active')) return;
            if (uploadMenu._pkPlaceRaf1) cancelAnimationFrame(uploadMenu._pkPlaceRaf1);
            if (uploadMenu._pkPlaceRaf2) cancelAnimationFrame(uploadMenu._pkPlaceRaf2);
            uploadMenu._pkPlaceRaf1 = requestAnimationFrame(() => {
                uploadMenu._pkPlaceRaf2 = requestAnimationFrame(() => {
                    uploadMenu._pkPlaceRaf1 = 0;
                    uploadMenu._pkPlaceRaf2 = 0;
                    if (!uploadMenu || uploadMenu.style.display !== 'flex') return;
                    if (!UI.uploadWrap.classList.contains('active')) return;
                    placeUploadMenu();
                });
            });
        };

        window.__pkRequestPlaceUploadMenu = requestPlaceUploadMenu;

        if (uploadMenu && !uploadMenu.dataset.pkBindStop) {
            uploadMenu.addEventListener('click', (e) => e.stopPropagation());
            uploadMenu.dataset.pkBindStop = '1';
        }

        if (!window.__pkUploadMenuPortalBound) {
            window.addEventListener('resize', () => {
                requestPlaceUploadMenu();
            }, { passive: true });

            document.addEventListener('scroll', () => {
                closeUploadMenu();
            }, true);

            if (window.visualViewport) {
                window.visualViewport.addEventListener('resize', () => {
                    requestPlaceUploadMenu();
                }, { passive: true });
                window.visualViewport.addEventListener('scroll', () => {
                    requestPlaceUploadMenu();
                }, { passive: true });
            }

            document.addEventListener('mousedown', (e) => {
                if (!uploadMenu || uploadMenu.style.display !== 'flex') return;
                const target = e.target;
                if (uploadMenu.contains(target)) return;
                if (UI.btnUpload.contains(target)) return;
                if (UI.uploadWrap.contains(target) && !uploadMenu.dataset.pkPortal) return;
                closeUploadMenu();
            }, true);

            window.__pkUploadMenuPortalBound = true;
        }

        if (window.ResizeObserver && !UI.uploadWrap.__pkUploadMenuRO) {
            UI.uploadWrap.__pkUploadMenuRO = new ResizeObserver(() => {
                requestPlaceUploadMenu();
            });
            UI.uploadWrap.__pkUploadMenuRO.observe(UI.uploadWrap);
        }

        UI.btnUpload.onclick = (e) => {
            e.stopPropagation();
            const isActive = uploadMenu && uploadMenu.style.display === 'flex' && UI.uploadWrap.classList.contains('active');

            document.querySelectorAll('.pk-dropdown-menu, .pk-select-menu').forEach(m => m.style.display = 'none');
            document.querySelectorAll('.pk-dropdown-wrap').forEach(w => w.classList.remove('active'));

            if (isActive) {
                closeUploadMenu();
                return;
            }

            if (!uploadMenu) return;
            uploadMenu.style.display = 'flex';
            placeUploadMenu();
            UI.uploadWrap.classList.add('active');
        };

        UI.actUpFile.onclick = (e) => {
            e.stopPropagation();
            closeUploadMenu();
            UI.inpFile.click();
        };

        UI.actUpFolder.onclick = (e) => {
            e.stopPropagation();
            closeUploadMenu();
            UI.inpFolder.click();
        };

        const updateRowUI = (task) => {
            if (document.hidden) return;
            const row = document.querySelector(`.pk-row[data-id="${task.id}"]`);
            if (row) {
                const progBar = row.querySelector('.pk-up-prog-bar');
                const progTxt = row.querySelector('.pk-up-prog-txt');
                const spdTxt = row.querySelector('.pk-up-spd');
                const statusCol = row.children[4];
                const msgSpan = statusCol ? statusCol.querySelector('span:first-child') : null;

                if (progBar) progBar.style.width = task.progress + '%';
                if (progTxt) progTxt.textContent = Math.floor(task.progress) + '%';

                if (msgSpan) {
                    msgSpan.textContent = task.message;
                    const activeStatus = ['UPLOADING', 'HASHING', 'WAITING', 'RUNNING'];
                    if (activeStatus.includes(task.status)) {
                        msgSpan.style.color = 'var(--pk-pri)';
                        if (progBar) progBar.style.backgroundColor = 'var(--pk-pri)';
                    }
                }

                if (spdTxt) spdTxt.innerHTML = task.status === 'DONE' ? '<span style="color:#52c41a">${L.lbl_done_check}</span>' : S.upMng.fmtSpeed(task.speed);
            }
        };
        const resolveTask = (task) => { if (S.uploadMode) updateRowUI(task); };

        S.upMng = {
            limit: 3,
            running: 0,
            store: null,
            initStore: () => {},
            saveTask: (task) => {},
            removeTask: (id) => {},

            fmtSpeed: (bytesPerSec) => {
                if (bytesPerSec === 0) return '0 B/s';
                const units = ['B/s', 'KB/s', 'MB/s', 'GB/s'];
                let i = 0;
                while (bytesPerSec >= 1024 && i < units.length - 1) { bytesPerSec /= 1024; i++; }
                return bytesPerSec.toFixed(2) + ' ' + units[i];
            },

            createTask: (file, parentId) => {
                const task = {
                    id: 'up_' + Date.now() + '_' + Math.random().toString(36).substr(2),
                    kind: 'pk#upload',
                    file: file,
                    name: file.name,
                    size: file.size,
                    parentId: parentId,
                    status: 'WAITING',
                    progress: 0,
                    speed: 0,
                    message: L.msg_task_waiting,
                    _xhr: null,
                    _lastCalcTime: 0,
                    _lastCalcLoaded: 0,
                    _lastUiTime: 0
                };
                S.upMng.saveTask(task);
                return task;
            },

            scheduler: () => {
                if (S.upMng.running >= S.upMng.limit) return;
                const waiting = S.uploadTasks.find(t => t.status === 'WAITING');
                if (waiting) S.upMng.start(waiting);
            },

            start: async (task) => {
                if (S.quota && S.quota.limitRaw > 0 && !task.file_id) {
                    const remaining = S.quota.limitRaw - S.quota.usedRaw;
                    if (task.size > remaining) {
                        task.status = 'ERROR';
                        task.message = L.err_quota_exceeded ;
                        if (S.uploadMode) updateRowUI(task);
                        S.upMng.scheduler();
                        return;
                    }
                }

                S.upMng.running++;

                if (!task.hash) {
                    task.status = 'HASHING';
                    task.message = L.msg_task_hashing;
                    if (S.uploadMode) updateRowUI(task);
                    task.hash = await calcSha1(task.file);
                }
                const hash = task.hash;
                S.upMng.saveTask(task);

                if (!task._totalUploadedBytes) task._totalUploadedBytes = 0;

                let _lastPollTime = Date.now();
                let _lastPollBytes = task._totalUploadedBytes;

                const speedTimer = setInterval(() => {
                    if (task.status === 'UPLOADING') {
                        const now = Date.now();
                        const timeDiff = now - _lastPollTime;
                        const bytesDiff = task._totalUploadedBytes - _lastPollBytes;

                        if (timeDiff > 0) {
                            task.speed = Math.max(0, (bytesDiff / timeDiff) * 1000);
                        }

                        _lastPollTime = now;
                        _lastPollBytes = task._totalUploadedBytes;

                        if (S.uploadMode) updateRowUI(task);
                    }
                }, 1500);

                const cryptoSign = async (secret, stringToSign) => {
                    const enc = new TextEncoder();
                    const key = await crypto.subtle.importKey("raw", enc.encode(secret), { name: "HMAC", hash: "SHA-1" }, false, ["sign"]);
                    const signature = await crypto.subtle.sign("HMAC", key, enc.encode(stringToSign));
                    return btoa(String.fromCharCode(...new Uint8Array(signature)));
                };

                try {
                    let finalParentId = task.parentId;

                    if (finalParentId === 'root' || finalParentId === 'upload_root' || finalParentId === '') {
                        const UPLOAD_FOLDER_NAME = 'My Upload';
                        const cacheKey = `lock_root_${UPLOAD_FOLDER_NAME}`;

                        if (!S.upMng._syncLocks) S.upMng._syncLocks = new Map();

                        if (!S.upMng._syncLocks.has(cacheKey)) {
                            const createAction = (async () => {
                                const checkExisting = async (targetName) => {
                                    try {
                                        const list = await apiList('', 1000);
                                        const found = list.find(f => f.kind === 'drive#folder' && f.name === targetName);
                                        return found ? found.id : null;
                                    } catch (e) { return null; }
                                };

                                let existingId = await checkExisting(UPLOAD_FOLDER_NAME);
                                if (existingId) return existingId;

                                let retry = 0;
                                while (retry < 3) {
                                    try {
                                        const res = await fetch('https://api-drive.mypikpak.com/drive/v1/files', {
                                            method: 'POST', headers: getHeaders(),
                                            body: JSON.stringify({ kind: "drive#folder", parent_id: "", name: UPLOAD_FOLDER_NAME })
                                        });
                                        if (res.ok) {
                                            const data = await res.json();
                                            if (typeof globalDirtyFolders !== 'undefined') globalDirtyFolders.add('');
                                            if (typeof globalCache !== 'undefined') globalCache.delete('');
                                            if (typeof runBackgroundCrawler === 'function') runBackgroundCrawler();
                                            return data.file.id;
                                        }
                                        if (res.status === 400 || res.status === 429) {
                                            await new Promise(r => setTimeout(r, 1000));
                                            existingId = await checkExisting(UPLOAD_FOLDER_NAME);
                                            if (existingId) return existingId;
                                        }
                                    } catch (e) {}
                                    retry++;
                                }
                                existingId = await checkExisting(UPLOAD_FOLDER_NAME);
                                if (existingId) return existingId;
                                throw new Error("My Upload folder creation failed");
                            })();
                            S.upMng._syncLocks.set(cacheKey, createAction);
                        }

                        try {
                            finalParentId = await S.upMng._syncLocks.get(cacheKey);
                            task.parentId = finalParentId;
                        } catch (e) {
                            S.upMng._syncLocks.delete(cacheKey);
                            throw e;
                        }
                    }

                    if (task.relativeFolder) {
                        const folderNames = task.relativeFolder.split('/');
                        let currentPid = (task.parentId === 'root' || task.parentId === 'upload_root') ? '' : (task.parentId || '');

                        if (!S.upMng._syncLocks) S.upMng._syncLocks = new Map();

                        for (const name of folderNames) {
                            const cacheKey = `lock_${currentPid}_${name}`;

                            if (!S.upMng._syncLocks.has(cacheKey)) {
                                const createAction = (async () => {
                                    const checkExisting = async (pid, targetName) => {
                                        try {
                                            const list = await apiList(pid, 1000);
                                            const found = list.find(f => f.kind === 'drive#folder' && f.name === targetName);
                                            return found ? found.id : null;
                                        } catch (e) { return null; }
                                    };

                                    let existingId = await checkExisting(currentPid, name);
                                    if (existingId) return existingId;

                                    let retry = 0;
                                    while (retry < 3) {
                                        try {
                                            const res = await fetch('https://api-drive.mypikpak.com/drive/v1/files', {
                                                method: 'POST', headers: getHeaders(),
                                                body: JSON.stringify({ kind: "drive#folder", parent_id: currentPid, name: name })
                                            });
                                            if (res.ok) {
                                                const data = await res.json();
                                                return data.file.id;
                                            }
                                            if (res.status === 400 || res.status === 429) {
                                                await new Promise(r => setTimeout(r, 1000));
                                                existingId = await checkExisting(currentPid, name);
                                                if (existingId) return existingId;
                                            }
                                        } catch (e) {}
                                        retry++;
                                    }

                                    existingId = await checkExisting(currentPid, name);
                                    if (existingId) return existingId;

                                    throw new Error("Folder creation failed");
                                })();
                                S.upMng._syncLocks.set(cacheKey, createAction);
                            }

                            try {
                                currentPid = await S.upMng._syncLocks.get(cacheKey);
                            } catch (e) {
                                S.upMng._syncLocks.delete(cacheKey);
                                throw e;
                            }
                        }
                        finalParentId = currentPid;
                    }

                    if (task._deleted) throw new Error("Aborted");

                    task.status = 'UPLOADING';
                    task.message = L.msg_task_init_upload;

                    _lastPollTime = Date.now();
                    _lastPollBytes = 0;

                    const safePid = (finalParentId === 'root' || finalParentId === 'upload_root') ? '' : (finalParentId || '');

                    let data = null;

                    if (task._initData && task.file_id) {
                        data = task._initData;
                    } else {
                        let res = null;
                        let createRetry = 0;
                        const maxCreateRetries = 5;

                        while (createRetry < maxCreateRetries) {
                            try {
                                res = await fetch('https://api-drive.mypikpak.com/drive/v1/files', {
                                    method: 'POST', headers: getHeaders(), body: JSON.stringify({
                                        kind: "drive#file", parent_id: safePid, name: task.name, size: task.size, hash: hash, upload_type: "UPLOAD_TYPE_RESUMABLE"
                                    })
                                });

                                if (res.status === 429) {
                                    const waitMs = 2000 + Math.random() * 2000 * (createRetry + 1);
                                    console.warn(`[Upload] Rate limited (429). Retrying in ${Math.round(waitMs)}ms...`);
                                    await new Promise(r => setTimeout(r, waitMs));
                                    createRetry++;
                                    continue;
                                }

                                if (!res.ok) {
                                    const errData = await res.json().catch(() => ({}));
                                    const errMsg = errData.error_description || `HTTP ${res.status}`;

                                    const isQuotaExceeded = res.status === 400 && (errData.error_code === 12 || errMsg.toLowerCase().includes('quota'));

                                    if (isQuotaExceeded) {
                                        const quotaErr = new Error(L.err_quota_exceeded);
                                        quotaErr.isFatal = true;
                                        throw quotaErr;
                                    }

                                    if (res.status === 404 || errMsg.toLowerCase().includes('not found') || errMsg.toLowerCase().includes('invalid parent')) {
                                        if (S.upMng && S.upMng._syncLocks) S.upMng._syncLocks.clear();
                                        throw new Error(L.err_parent_not_found);
                                    }

                                    throw new Error(errMsg);
                                }

                                break;

                            } catch (e) {
                                console.warn(`[Upload] Init request failed (${createRetry + 1}/${maxCreateRetries}):`, e.message);

                                if (e.isFatal) throw e;

                                createRetry++;
                                if (createRetry >= maxCreateRetries) throw e;
                                await new Promise(r => setTimeout(r, 1500));
                            }
                        }

                        data = await res.json();
                        task._initData = data;
                    }

                    let newlyCreatedFileId = null;
                    if (data.file) {
                        if (data.file.id) {
                            task.file_id = data.file.id;
                            newlyCreatedFileId = data.file.id;
                        }
                        if (data.file.name) task.name = data.file.name;
                        if (data.file.thumbnail_link) task.thumbnail_link = data.file.thumbnail_link;
                        if (data.file.icon_link) task.icon_link = data.file.icon_link;
                    } else if (data.task && data.task.file_id) {
                        task.file_id = data.task.file_id;
                        newlyCreatedFileId = data.task.file_id;
                        if (data.task.name) task.name = data.task.name;
                    } else if (data.id) {
                        task.file_id = data.id;
                        newlyCreatedFileId = data.id;
                        if (data.name) task.name = data.name;
                    }

                    if (newlyCreatedFileId && !task._ghostAdded) {
                        if (typeof window.pkAddGhostFile === 'function') window.pkAddGhostFile(newlyCreatedFileId);
                        task._ghostAdded = true;
                    }
                    S.upMng.saveTask(task);

                    if (task._deleted) {
                        console.warn(`[Upload] Task ${task.id} was deleted by user during initialization. Triggering self-destruct.`);
                        if (newlyCreatedFileId && task._deleteFileIntent) {
                            try {
                                await fetch('https://api-drive.mypikpak.com/drive/v1/files:batchTrash', {
                                    method: 'POST',
                                    headers: getHeaders(),
                                    body: JSON.stringify({ ids: [newlyCreatedFileId] })
                                });
                                console.log(`[Upload] Ghost file ${newlyCreatedFileId} cleaned up.`);
                            } catch (err) {
                                console.error(`[Upload] Failed to cleanup ghost file ${newlyCreatedFileId}`, err);
                            }
                        }
                        throw new Error("Aborted");
                    }

                    if (data.upload_type === "UPLOAD_TYPE_URL" || data.phase === "PHASE_TYPE_COMPLETE" || (data.file && data.file.phase === "PHASE_TYPE_COMPLETE")) {
                        task.status = 'DONE'; task.progress = 100; task.speed = 0; task.message = L.msg_task_fast_success;
                        if (typeof window.pkRemoveGhostFile === 'function' && task.file_id) window.pkRemoveGhostFile(task.file_id);
                        S.upMng.removeTask(task.id);
                        if (S.uploadMode) {
                            updateRowUI(task);
                            if (!S._upRenderScheduled) {
                                S._upRenderScheduled = true;
                                requestAnimationFrame(() => { S._upRenderScheduled = false; if (typeof renderVisible === 'function' && !document.hidden) renderVisible(); });
                            }
                        }
                        setTimeout(() => updateQuotaUI(), 1000);

                        if (typeof globalCache !== 'undefined') {
                            const targetPid = (task.parentId === 'root' || task.parentId === 'upload_root') ? '' : (task.parentId || '');
                            if (globalCache.has(targetPid)) {
                                const cacheEntry = globalCache.get(targetPid);
                                const list = Array.isArray(cacheEntry) ? cacheEntry : (cacheEntry.items || []);
                                const newFileStub = {
                                    id: task.file_id, kind: 'drive#file', name: task.name, size: task.size,
                                    parent_id: targetPid, mime_type: task.mime_type || '',
                                    thumbnail_link: task.thumbnail_link || task.icon_link, icon_link: task.icon_link,
                                    modified_time: new Date().toISOString(), hash: hash
                                };
                                if (!list.some(f => f.id === newFileStub.id)) list.push(newFileStub);
                            }
                        }

                        if (typeof globalDirtyFolders !== 'undefined') {
                            const targetPid = task.parentId === 'root' ? '' : (task.parentId || '');
                            globalDirtyFolders.add(targetPid);
                            if (typeof runBackgroundCrawler === 'function') runBackgroundCrawler();
                        }
                        if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;
                    }
                    else if (data.resumable && data.resumable.params) {
                        const p = data.resumable.params;
                        const ossUA = 'aliyun-sdk-js/6.23.0 Microsoft Edge 144.0.0.0 on Windows 10 64-bit';
                        const objectName = p.key;
                        const host = `https://${p.bucket}.${p.endpoint}`;

                        const totalSize = task.file.size;
                        let PART_SIZE = 5 * 1024 * 1024;
                        if (totalSize > 4 * 1024 * 1024 * 1024) {
                            PART_SIZE = 20 * 1024 * 1024;
                        } else if (totalSize > 1 * 1024 * 1024 * 1024) {
                            PART_SIZE = 10 * 1024 * 1024;
                        }

                        const partCount = Math.ceil(totalSize / PART_SIZE);

                        const getAuth = async (method, subResource = '', contentType = '') => {
                            const dateStr = new Date().toUTCString();
                            const headersToSign = {
                                'x-oss-date': dateStr,
                                'x-oss-security-token': p.security_token,
                                'x-oss-user-agent': ossUA
                            };
                            let canonicalResource = `/${p.bucket}/${objectName}`;
                            if (subResource) canonicalResource += `?${subResource}`;
                            const canonicalHeaders = Object.keys(headersToSign).sort().map(k => `${k}:${headersToSign[k]}`).join('\n') + '\n';
                            const stringToSign = [method, "", contentType, dateStr, canonicalHeaders + canonicalResource].join("\n");
                            const signature = await cryptoSign(p.access_key_secret, stringToSign);
                            return { date: dateStr, auth: `OSS ${p.access_key_id}:${signature}` };
                        };

                        const ossRequest = (method, query, body, contentType, onProgress) => {
                            return new Promise(async (resolve, reject) => {
                                try {
                                    const creds = await getAuth(method, query, contentType);
                                    const url = `${host}/${objectName.split('/').map(encodeURIComponent).join('/')}${query ? '?' + query : ''}`;

                                    if (!task._xhrs) task._xhrs = new Set();

                                    const req = GM_xmlhttpRequest({
                                        method: method, url: url, data: body,
                                        headers: {
                                            'Authorization': creds.auth,
                                            'x-oss-date': creds.date,
                                            'x-oss-security-token': p.security_token,
                                            'x-oss-user-agent': ossUA,
                                            'Content-Type': contentType || ''
                                        },
                                        upload: { onprogress: onProgress },
                                        onload: (res) => {
                                            task._xhrs.delete(req);
                                            if (res.status >= 200 && res.status < 300) resolve(res);
                                            else {
                                                const err = new Error(`OSS ${method} Error: ${res.status} ${res.statusText}`);
                                                err.status = res.status;
                                                reject(err);
                                            }
                                        },
                                        onerror: (err) => {
                                            task._xhrs.delete(req);
                                            reject(new Error("Network Error"));
                                        },
                                        onabort: () => {
                                            task._xhrs.delete(req);
                                            reject(new Error("Aborted"));
                                        }
                                    });
                                    task._xhrs.add(req);
                                    if (onProgress) task._xhr = { abort: () => req.abort() };
                                } catch (e) { reject(e); }
                            });
                        };

                        task.message = L.msg_task_uploading;

                        if (partCount <= 1) {
                            await ossRequest('PUT', '', task.file, 'application/octet-stream', (pe) => {
                                task._totalUploadedBytes = pe.loaded;
                                task.progress = (pe.loaded / totalSize) * 100;
                            });
                            task.progress = 100;
                        } else {
                            task.message = L.msg_task_init_part;
                            if (S.uploadMode) updateRowUI(task);

                            let uploadId = task._uploadId;
                            let isResuming = !!uploadId;

                            if (!uploadId) {
                                const initRes = await ossRequest('POST', 'uploads', null, '');
                                const initXml = new DOMParser().parseFromString(initRes.responseText, "text/xml");
                                uploadId = initXml.querySelector('UploadId')?.textContent || initXml.getElementsByTagName('UploadId')[0]?.textContent;
                                if (!uploadId) throw new Error("Failed to get UploadId");
                                task._uploadId = uploadId;
                            }

                            const parts = new Array(partCount);
                            const CONCURRENCY = 3;

                            let completedBytes = 0;
                            const activeParts = new Map();
                            const uploadedPartNumbers = new Set();

                            if (isResuming) {
                                try {
                                    let nextMarker = '';
                                    let isTruncated = true;
                                    while (isTruncated) {
                                        const query = `uploadId=${uploadId}` + (nextMarker ? `&part-number-marker=${nextMarker}` : '');
                                        const listRes = await ossRequest('GET', query, null, '');
                                        const listXml = new DOMParser().parseFromString(listRes.responseText, "text/xml");

                                        const partNodes = listXml.querySelectorAll('Part') || listXml.getElementsByTagName('Part');
                                        Array.from(partNodes).forEach(node => {
                                            const pNum = parseInt(node.querySelector('PartNumber')?.textContent || node.getElementsByTagName('PartNumber')[0]?.textContent);
                                            const etag = node.querySelector('ETag')?.textContent || node.getElementsByTagName('ETag')[0]?.textContent;
                                            if (pNum && etag && !uploadedPartNumbers.has(pNum)) {
                                                parts[pNum - 1] = { partNumber: pNum, etag: etag };
                                                uploadedPartNumbers.add(pNum);
                                                const pSize = (pNum === partCount) ? (totalSize - (partCount - 1) * PART_SIZE) : PART_SIZE;
                                                completedBytes += pSize;
                                            }
                                        });

                                        const truncNode = listXml.querySelector('IsTruncated') || listXml.getElementsByTagName('IsTruncated')[0];
                                        isTruncated = truncNode ? (truncNode.textContent === 'true') : false;
                                        if (isTruncated) {
                                            const markerNode = listXml.querySelector('NextPartNumberMarker') || listXml.getElementsByTagName('NextPartNumberMarker')[0];
                                            nextMarker = markerNode ? markerNode.textContent : '';
                                        }
                                    }

                                    task._totalUploadedBytes = completedBytes;
                                    task.progress = (completedBytes / totalSize) * 100;
                                    console.log(`[Upload] Resume Check: Found ${uploadedPartNumbers.size}/${partCount} parts. Total: ${fmtSize(completedBytes)}`);
                                } catch (e) {
                                    console.warn(`[Upload] Failed to fetch existing parts. Overwriting.`, e);
                                }
                            }

                            const updateProgress = () => {
                                let activeTotal = 0;
                                for (const bytes of activeParts.values()) activeTotal += bytes;
                                const currentTotal = Math.min(totalSize, completedBytes + activeTotal);

                                task._totalUploadedBytes = currentTotal;
                                task.progress = (currentTotal / totalSize) * 100;
                            };

                            const pool = Array.from({length: partCount}, (_, k) => k + 1).filter(num => !uploadedPartNumbers.has(num));

                            const worker = async () => {
                                while (pool.length > 0) {
                                    if (task.status === 'PAUSED' || !document.body.contains(el)) {
                                        activeParts.clear();
                                        throw new Error("Aborted");
                                    }

                                    const i = pool.shift();

                                    const startByte = (i - 1) * PART_SIZE;
                                    const endByte = Math.min(i * PART_SIZE, totalSize);
                                    const chunk = task.file.slice(startByte, endByte);

                                    activeParts.set(i, 0);

                                    const query = `partNumber=${i}&uploadId=${uploadId}`;

                                    try {
                                        const partRes = await ossRequest('PUT', query, chunk, 'application/octet-stream', (pe) => {
                                            activeParts.set(i, pe.loaded);
                                            updateProgress();
                                        });

                                        const finalizedSize = chunk.size;
                                        completedBytes += finalizedSize;
                                        activeParts.delete(i);

                                        updateProgress();

                                        const etagHeader = partRes.responseHeaders.match(/etag:\s*"?([^"\r\n]+)"?/i);
                                        const etag = etagHeader ? etagHeader[1] : null;
                                        if (!etag) throw new Error(`Part ${i} missing ETag`);

                                        parts[i - 1] = { partNumber: i, etag: etag };
                                        if (!task._parts) task._parts = [];
                                        task._parts[i - 1] = parts[i - 1];
                                        S.upMng.saveTask(task);
                                    } catch (err) {
                                        activeParts.delete(i);
                                        pool.unshift(i);
                                        throw err;
                                    }
                                }
                            };

                            task.message = L.msg_task_uploading_2;
                            if (S.uploadMode) updateRowUI(task);

                            if (pool.length > 0) {
                                const workers = Array(Math.min(pool.length, CONCURRENCY)).fill(0).map(worker);
                                await Promise.all(workers);
                            }

                            if (task._deleted) throw new Error("Aborted");

                            const xmlBody = `<CompleteMultipartUpload>${parts.map(p => `<Part><PartNumber>${p.partNumber}</PartNumber><ETag>${p.etag}</ETag></Part>`).join('')}</CompleteMultipartUpload>`;
                            await ossRequest('POST', `uploadId=${uploadId}`, xmlBody, 'application/xml');

                            if (task._deleted && task.file_id && task._deleteFileIntent) {
                                fetch('https://api-drive.mypikpak.com/drive/v1/files:batchTrash', {
                                    method: 'POST', headers: getHeaders(), body: JSON.stringify({ ids: [task.file_id] })
                                }).catch(()=>{});
                                throw new Error("Aborted");
                            }

                            task.progress = 100;
                            task._totalUploadedBytes = totalSize;

                            setTimeout(() => updateQuotaUI(), 1500);

                            const tryFetchMeta = async (isRetry = false) => {
                                if (task._deleted) return true;
                                try {
                                    const meta = await apiGet(task.file_id);
                                    if (meta) {
                                        if (meta.icon_link) task.icon_link = meta.icon_link;
                                        if (meta.mime_type) task.mime_type = meta.mime_type;
                                        if (meta.medias) task.medias = meta.medias;

                                        const isValidThumb = meta.thumbnail_link && meta.thumbnail_link !== meta.icon_link;

                                        if (isValidThumb) {
                                            const testUrl = meta.thumbnail_link + (meta.thumbnail_link.includes('?') ? '&' : '?') + '_t=' + Date.now();

                                            const isImageReady = await new Promise(resolve => {
                                                const img = new Image();
                                                img.onload = () => resolve(true);
                                                img.onerror = () => resolve(false);
                                                img.src = testUrl;
                                            });

                                            if (isImageReady) {
                                                task.thumbnail_link = testUrl;

                                                if (typeof globalCache !== 'undefined') {
                                                    const pid = task.parentId === 'root' ? '' : (task.parentId || '');
                                                    if (globalCache.has(pid)) {
                                                        const list = globalCache.get(pid);
                                                        const target = Array.isArray(list) ? list.find(f => f.id === task.file_id) :
                                                        (list.items ? list.items.find(f => f.id === task.file_id) : null);
                                                        if (target) target.thumbnail_link = testUrl;
                                                    }
                                                }

                                                if (isRetry && S.uploadMode) {
                                                    if (!S._upRenderScheduled) {
                                                        S._upRenderScheduled = true;
                                                        requestAnimationFrame(() => { S._upRenderScheduled = false; if (typeof renderVisible === 'function' && !document.hidden) renderVisible(); });
                                                    }
                                                    console.log(`[Upload] Cover synced globally: ${task.name}`);
                                                }
                                                return true;
                                            } else {
                                                console.log(`[Upload] Cover CDN not ready (404). Retrying later...`);
                                                return false;
                                            }
                                        }
                                    }
                                } catch(e) { console.warn("[Upload] Meta fetch warning", e); }
                                return false;
                            };

                            (async () => {
                                if (await tryFetchMeta(false)) return;

                                for (let i = 0; i < 8; i++) {
                                    await sleep(3500);
                                    if (await tryFetchMeta(true)) return;
                                }

                                for (let i = 0; i < 20; i++) {
                                    await sleep(15000);
                                    if (await tryFetchMeta(true)) return;
                                }

                                console.log(`[Upload] Entering infinite polling mode for: ${task.name}`);

                                while (true) {
                                    await sleep(60000);
                                    if (await tryFetchMeta(true)) return;
                                }
                            })();
                        }

                        task.status = 'DONE'; task.progress = 100; task.speed = 0; task.message = L.msg_task_upload_done;
                        if (typeof window.pkRemoveGhostFile === 'function' && task.file_id) window.pkRemoveGhostFile(task.file_id);
                        S.upMng.removeTask(task.id);
                        if (S.uploadMode) {
                            updateRowUI(task);
                            if (!S._upRenderScheduled) {
                                S._upRenderScheduled = true;
                                requestAnimationFrame(() => { S._upRenderScheduled = false; if (typeof renderVisible === 'function' && !document.hidden) renderVisible(); });
                            }
                        }

                        if (typeof globalCache !== 'undefined') {
                            const targetPid = (task.parentId === 'root' || task.parentId === 'upload_root') ? '' : (task.parentId || '');
                            if (globalCache.has(targetPid)) {
                                const cacheEntry = globalCache.get(targetPid);
                                const list = Array.isArray(cacheEntry) ? cacheEntry : (cacheEntry.items || []);
                                const newFileStub = {
                                    id: task.file_id, kind: 'drive#file', name: task.name, size: task.size,
                                    parent_id: targetPid, mime_type: task.mime_type || '',
                                    thumbnail_link: task.thumbnail_link || task.icon_link, icon_link: task.icon_link,
                                    modified_time: new Date().toISOString(), hash: hash
                                };
                                if (!list.some(f => f.id === newFileStub.id)) list.push(newFileStub);
                            }
                        }

                        if (typeof globalDirtyFolders !== 'undefined') {
                            const targetPid = task.parentId === 'root' ? '' : (task.parentId || '');
                            globalDirtyFolders.add(targetPid);
                            if (typeof runBackgroundCrawler === 'function') runBackgroundCrawler();
                        }
                        if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;
                    }
                } catch (e) {
                    const isManualAbort = e.message === 'Aborted';
                    task.status = isManualAbort ? 'PAUSED' : 'ERROR';
                    task.message = isManualAbort ? L.msg_task_paused : (e.message || L.err_unknown);

                    if (e.status === 403 && task.file_id) {
                        task.message = L.msg_token_expired_retry;
                        task._initData = null;
                        task._uploadId = null;
                        task.progress = 0;
                        task._totalUploadedBytes = 0;
                        fetch('https://api-drive.mypikpak.com/drive/v1/files:batchDelete', {
                            method: 'POST', headers: getHeaders(), body: JSON.stringify({ ids: [task.file_id] })
                        }).catch(()=>{});
                        if (typeof window.pkRemoveGhostFile === 'function') window.pkRemoveGhostFile(task.file_id);
                        task.file_id = null;
                    }

                    if (S.uploadMode) updateRowUI(task);
                    S.upMng.saveTask(task);
                } finally {
                    clearInterval(speedTimer);
                    task._xhr = null; S.upMng.running--;

                    if (S.uploadMode) { refresh(); }

                    S.upMng.scheduler();
                }
            },

            pause: (task, skipRender = false) => {
                if (task.status === 'UPLOADING') {
                    task.status = 'PAUSED';
                    task.message = L.msg_task_paused;

                    if (task._xhrs && task._xhrs.size > 0) {
                        task._xhrs.forEach(req => req.abort());
                        task._xhrs.clear();
                    }
                    if (task._xhr) {
                        task._xhr.abort();
                        task._xhr = null;
                    }
                    S.upMng.saveTask(task);
                    if (S.uploadMode && !skipRender) { refresh(); }
                } else if (task.status === 'WAITING') {
                    task.status = 'PAUSED';
                    task.message = L.msg_task_paused;
                    S.upMng.saveTask(task);
                    if (S.uploadMode && !skipRender) { refresh(); }
                }
            },

            resume: (task, skipRender = false) => {
                if (task.status === 'PAUSED' || task.status === 'ERROR') {
                    task.status = 'WAITING';
                    task.message = L.msg_task_waiting;
                    S.upMng.saveTask(task);
                    S.upMng.scheduler();
                    if (S.uploadMode && !skipRender) { refresh(); }
                }
            }
        };

        S.upMng.initStore();

        const handleUploadInput = async (files) => {
            if (!files || files.length === 0) return;

            if (S.upMng && S.upMng._syncLocks) S.upMng._syncLocks.clear();

            const curPath = S.path[S.path.length - 1];
            const isVirtual = curPath.id.startsWith('virtual_') || curPath.id.includes('_root') || curPath.id === 'upload_root';
            const safeParentId = (curPath.id && !isVirtual) ? curPath.id : '';

            let fileList = Array.from(files);

            let existingFiles = [];
            if (typeof globalCache !== 'undefined' && globalCache.has(safeParentId)) {
                const raw = globalCache.get(safeParentId);
                existingFiles = Array.isArray(raw) ? raw : (raw.items || []);
            } else if (!isVirtual && S.items && S.items.length > 0) {
                existingFiles = S.items;
            }

            if (existingFiles.length > 0) {
                const existingMap = new Set();
                existingFiles.forEach(f => {
                    if (f.kind !== 'drive#folder') {
                        existingMap.add(`${f.name}_${f.size}`);
                    }
                });

                let dupCount = 0;
                const duplicateIndices = new Set();
                fileList.forEach((file, index) => {
                    if (file.name.startsWith('.')) return;
                    let relativeFolder = "";
                    if (file.webkitRelativePath) {
                        const parts = file.webkitRelativePath.split('/');
                        if (parts.length > 1) {
                            parts.pop();
                            relativeFolder = parts.join('/');
                        }
                    }
                    if (!relativeFolder) {
                        const key = `${file.name}_${file.size}`;
                        if (existingMap.has(key)) {
                            dupCount++;
                            duplicateIndices.add(index);
                        }
                    }
                });

                if (dupCount > 0) {
                    const skipDups = await showConfirm(L.msg_upload_dup_confirm.replace('{n}', dupCount));
                    if (skipDups) {
                        fileList = fileList.filter((_, idx) => !duplicateIndices.has(idx));
                    }
                }
            }

            if (fileList.length === 0) {
                UI.inpFile.value = '';
                UI.inpFolder.value = '';
                return;
            }

            let addedCount = 0;
            const BATCH_SIZE = 50;

            if (fileList.length > BATCH_SIZE) {
                showToast(L.msg_parsing_files, 'info', 2000);
            }

            for (let i = 0; i < fileList.length; i += BATCH_SIZE) {
                const batch = fileList.slice(i, i + BATCH_SIZE);

                await new Promise(resolve => setTimeout(resolve, 0));

                for (const file of batch) {
                    if (file.name.startsWith('.')) continue;

                    let relativeFolder = "";
                    if (file.webkitRelativePath) {
                        const parts = file.webkitRelativePath.split('/');
                        if (parts.length > 1) {
                            parts.pop();
                            relativeFolder = parts.join('/');
                        }
                    }

                    if (S.upMng) {
                        const task = S.upMng.createTask(file, safeParentId);
                        task.relativeFolder = relativeFolder;
                        S.uploadTasks.unshift(task);
                        addedCount++;
                    }
                }
            }

            showToast(L.msg_task_added.replace('{n}', addedCount));

            if (!S.uploadMode) {
                switchTab('upload');
            } else {
                renderVisible();
                updateStat();
            }

            if (S.upMng) S.upMng.scheduler();

            UI.inpFile.value = '';
            UI.inpFolder.value = '';
        };

        UI.inpFile.onchange = (e) => handleUploadInput(e.target.files);
        UI.inpFolder.onchange = (e) => handleUploadInput(e.target.files);

        const dragMask = document.createElement('div');
        dragMask.className = 'pk-drag-mask';
        UI.win.appendChild(dragMask);

        const parseEntries = async (entries, relPath = "") => {
            const BATCH_SIZE = 10;
            for (let i = 0; i < entries.length; i += BATCH_SIZE) {
                const batch = entries.slice(i, i + BATCH_SIZE);
                await Promise.all(batch.map(async (entry) => {
                    if (entry.isFile) {
                        return new Promise((res) => {
                            entry.file(file => {
                                if (!file.name.startsWith('.')) {
                                    const curPath = S.path[S.path.length - 1];
                                    const safeParentId = (curPath.id && !curPath.id.includes('_root')) ? curPath.id : '';
                                    const task = S.upMng.createTask(file, safeParentId);
                                    task.relativeFolder = relPath;
                                    S.uploadTasks.unshift(task);
                                }
                                res();
                            }, () => res());
                        });
                    } else if (entry.isDirectory) {
                        return new Promise((res) => {
                            const reader = entry.createReader();
                            const readAllEntries = async () => {
                                let allSubEntries = [];
                                let readBatch = async () => {
                                    return new Promise((r) => {
                                        reader.readEntries((sub) => {
                                            if (sub.length > 0) {
                                                allSubEntries = allSubEntries.concat(sub);
                                                readBatch().then(r);
                                            } else {
                                                r();
                                            }
                                        }, () => r());
                                    });
                                };
                                await readBatch();
                                await parseEntries(allSubEntries, (relPath ? relPath + "/" : "") + entry.name);
                                res();
                            };
                            readAllEntries();
                        });
                    }
                }));
            }
        };

        const canDragUpload = () => {
            return !S.trashMode && !S.shareMode && !S.offlineMode && !S.starredMode &&
                   !S.recentMode && !S.historyMode && !S.isFlattened &&
                   !S.dupMode && !S.analyzeMode && !S.uploadMode;
        };

        let dragCounter = 0;

        const handleDragGuard = (e) => {
            e.preventDefault();
            e.stopPropagation();
            if (canDragUpload()) {
                e.dataTransfer.dropEffect = 'copy';
            } else {
                e.dataTransfer.dropEffect = 'none';
            }
        };

        el.addEventListener('dragenter', (e) => {
            handleDragGuard(e);

            if (!canDragUpload()) return;

            dragCounter++;
            const curPath = S.path[S.path.length - 1];
            const isRoot = S.path.length === 1 && (curPath.id === '' || curPath.id === 'root');

            let destHtml = "";
            if (isRoot) {
                const homeIcon = CONF.icons.home.replace('width="24"', 'width="16"').replace('height="24"', 'height="16"').replace('<svg', '<svg style="vertical-align:-3px;margin-right:4px;"');
                destHtml = `${homeIcon}${L.btn_nav_home}`;
            } else {
                destHtml = esc(curPath.name);
            }

            dragMask.innerHTML = `
                <div class="pk-drag-icon"><svg width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg></div>
                <div class="pk-drag-hint">${L.msg_drag_drop_hint}</div>
                <div class="pk-drag-path">${L.lbl_upload_to}<span style="color:var(--pk-pri);font-weight:600;display:inline-flex;align-items:center;">${destHtml}</span></div>
            `;
            dragMask.style.display = 'flex';
        });

        el.addEventListener('dragover', handleDragGuard);

        el.addEventListener('dragleave', (e) => {
            e.preventDefault();
            e.stopPropagation();
            if (!canDragUpload()) return;

            dragCounter--;
            if (dragCounter <= 0) { dragMask.style.display = 'none'; dragCounter = 0; }
        });

        el.addEventListener('drop', async (e) => {
            handleDragGuard(e);

            if (!canDragUpload()) return;

            dragMask.style.display = 'none';
            dragCounter = 0;

            const items = e.dataTransfer.items;
            if (!items) return;

            if (S.upMng && S.upMng._syncLocks) S.upMng._syncLocks.clear();

            const entries =[];
            for (let i = 0; i < items.length; i++) {
                const entry = items[i].webkitGetAsEntry();
                if (entry) entries.push(entry);
            }

            if (entries.length > 0) {
                const curPath = S.path[S.path.length - 1];
                const isVirtual = curPath.id.startsWith('virtual_') || curPath.id.includes('_root') || curPath.id === 'upload_root';
                const safeParentId = (curPath.id && !isVirtual) ? curPath.id : '';

                let existingFiles = [];
                if (typeof globalCache !== 'undefined' && globalCache.has(safeParentId)) {
                    const raw = globalCache.get(safeParentId);
                    existingFiles = Array.isArray(raw) ? raw : (raw.items || []);
                } else if (!isVirtual && S.items && S.items.length > 0) {
                    existingFiles = S.items;
                }

                if (existingFiles.length > 0) {
                    const existingMap = new Set();
                    existingFiles.forEach(f => {
                        if (f.kind !== 'drive#folder') {
                            existingMap.add(`${f.name}_${f.size}`);
                        }
                    });

                    let dupCount = 0;
                    const duplicateIndices = new Set();

                    const topLevelFiles = [];
                    for (let i = 0; i < entries.length; i++) {
                        const entry = entries[i];
                        if (entry.isFile) {
                            const file = await new Promise((res) => entry.file(res, () => res(null)));
                            if (file && !file.name.startsWith('.')) {
                                topLevelFiles.push({ file, index: i });
                            }
                        }
                    }

                    topLevelFiles.forEach(tf => {
                        const key = `${tf.file.name}_${tf.file.size}`;
                        if (existingMap.has(key)) {
                            dupCount++;
                            duplicateIndices.add(tf.index);
                        }
                    });

                    if (dupCount > 0) {
                        const skipDups = await showConfirm(L.msg_upload_dup_confirm.replace('{n}', dupCount));
                        if (skipDups) {
                            for (let i = entries.length - 1; i >= 0; i--) {
                                if (duplicateIndices.has(i)) {
                                    entries.splice(i, 1);
                                }
                            }
                        }
                    }
                }

                if (entries.length === 0) return;

                await parseEntries(entries);
                if (!S.uploadMode) switchTab('upload');
                else { refresh(); updateStat(); }
                if (S.upMng) S.upMng.scheduler();
            }
        });

        document.addEventListener('click', (e) => {
            if (UI.uploadWrap && !UI.uploadWrap.contains(e.target)) {
                UI.uploadWrap.querySelector('.pk-dropdown-menu').style.display = 'none';
                UI.uploadWrap.classList.remove('active');
            }
        });
    }

    const switchTab = (mode) => {
        if (S.historyMode && mode !== 'history' && typeof globalCache !== 'undefined') {
            const historySession = globalCache.get('history_session');
            if (historySession) {
                const hasPending = !historySession.completed && (historySession.cursor || 0) < (((historySession.targetIds || []).length) || 0);
                const historySnapshot = { items: Array.isArray(S.items) ? [...S.items] : [], nextToken: hasPending ? `history:${historySession.cursor || 0}` : null };
                S.cache.set('history_root', historySnapshot);
                globalCache.set('history_root', historySnapshot);
            }
        }

        if (S.abortController) S.abortController.abort();

        activeLoadId++;
        S.sortId++;

        if (S.loading) {
            S.loading = false;
        }

        const isForcedListTab = mode === 'offline' || mode === 'upload' || mode === 'history' || mode === 'trash' || mode === 'share' || mode === 'starred' || mode === 'recent';
        const needListTabSync = isForcedListTab && (isGridView() || (UI.win && UI.win.classList.contains('pk-grid-view')) || CONF.rowHeight !== getListRowHeight() || (UI.vp && UI.vp.scrollTop > 0));
        if (needListTabSync) {
            beginFolderViewSync();
            if (UI.win) {
                UI.win.classList.add('pk-view-switching');
                UI.win.classList.remove('pk-grid-view', 'pk-grid-resizing', 'pk-grid-scrolling');
            }
            S.viewMode = 'list';
            CONF.rowHeight = getListRowHeight();
            S._gridLayoutKey = '';
            S.dupGridMeta = null;
            S.dupGridMetaKey = '';
            if (UI.in) {
                UI.in.style.height = '0px';
                UI.in.style.transform = 'none';
            }
            if (UI.vp) {
                UI.vp.scrollTop = 0;
                UI.vp.scrollLeft = 0;
            }
        }

        S.items = [];
        S.display = [];
        S.recentResultItems = null;
        S.itemMap.clear();
        S.sel.clear();
        if (UI.in) {
            UI.in.innerHTML = '';
            UI.in.style.height = '0px';
            UI.in.style.transform = 'none';
        }
        if (UI.vp) {
            UI.vp.scrollTop = 0;
            UI.vp.scrollLeft = 0;
        }

        if (mode === 'history') {
            S.sort = 'play_time';
            S.dir = 1;
        } else if (mode === 'offline') {
            S.sort = 'created_time';
            S.dir = 1;
        } else if (mode === 'recent') {
            S.sort = 'modified_time';
            S.dir = 1;
        } else if (mode === 'home') {
            S._sortAppliedForId = null;
        } else {
            S.sort = 'modified_time';
        }

        S.folderFirst = false;
        if (S.renderFolderFirst) S.renderFolderFirst();

        if (UI.chkGlobal && !S.trashMode && !S.shareMode && !S.starredMode && !S.offlineMode && !S.historyMode && !S.recentMode && !S.uploadMode) {
            S.wasGlobalChecked = UI.chkGlobal.checked;
        }

        S.trashMode = (mode === 'trash');
        S.shareMode = (mode === 'share');
        S.starredMode = (mode === 'starred');
        S.recentMode = (mode === 'recent');
        S.historyMode = (mode === 'history');
        S.offlineMode = (mode === 'offline');
        S.uploadMode = (mode === 'upload');
        S.scanFilter = null;
        if (UI.chkSearchPath) UI.chkSearchPath.checked = false;

        let rootName = L.btn_nav_home;
        if (S.trashMode) rootName = L.btn_nav_trash;
        if (S.shareMode) rootName = L.btn_nav_share;
        if (S.starredMode) rootName = L.btn_nav_starred;
        if (S.recentMode) rootName = L.btn_nav_recent;
        if (S.historyMode) rootName = L.btn_nav_history;
        if (S.offlineMode) rootName = L.title_offline;
        if (S.uploadMode) rootName = L.btn_nav_upload;

        if (S.offlineMode) {
             S.path = [{ id: 'offline_root', name: rootName }];
        } else if (S.uploadMode) {
             S.path = [{ id: 'upload_root', name: rootName }];
        } else if (S.recentMode) {
             S.path = [{ id: 'recent_root', name: rootName }];
        } else if (S.historyMode) {
             S.path = [{ id: 'history_root', name: rootName }];
        } else {
             S.path = [{ id: '', name: rootName }];
        }

        UI.btnNavHome.classList.toggle('act', mode === 'home');
        UI.btnNavTrash.classList.toggle('act', mode === 'trash');
        if (UI.btnNavShare) UI.btnNavShare.classList.toggle('act', mode === 'share');
        if (UI.btnNavStarred) UI.btnNavStarred.classList.toggle('act', mode === 'starred');
        if (UI.btnNavRecent) UI.btnNavRecent.classList.toggle('act', mode === 'recent');
        if (UI.btnNavHistory) UI.btnNavHistory.classList.toggle('act', mode === 'history');
        if (UI.btnNavOffline) UI.btnNavOffline.classList.toggle('act', mode === 'offline');
        if (UI.btnNavUpload) UI.btnNavUpload.classList.toggle('act', mode === 'upload');

        if(UI.topBar) UI.topBar.style.display = 'flex';
        if(UI.actionBar) UI.actionBar.style.display = 'flex';
        if(UI.trashBar) UI.trashBar.style.display = 'none';
        if(UI.bottomGrp) UI.bottomGrp.style.display = 'flex';
        if(UI.crumb) { UI.crumb.style.opacity = '1'; UI.crumb.style.display = 'flex'; }
        if(UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'flex';

        const stdBtns = [UI.btnNewFolder, UI.btnDel, UI.btnCopy, UI.btnCut, UI.btnPaste, UI.btnRename, UI.btnBulkRename, UI.btnPrune, UI.btnUnzip, UI.btnMigrate, UI.btnBlacklistManager];
        const shareBtns = [document.getElementById('pk-cancel-share')];
        const upBtns = [UI.btnUpPause, UI.btnUpStart, UI.btnUpDel, UI.btnUpClearAll];
        const upSep = document.getElementById('pk-up-sep');

        upBtns.forEach(b => { if(b) b.style.display = 'none'; });
        if(upSep) upSep.style.display = 'none';

        if (UI.btnRefresh) UI.btnRefresh.style.display = 'inline-flex';

        if (S.historyMode) {
            UI.win.classList.remove('pk-mode-trash');

            stdBtns.forEach(b => { if(b && b !== UI.btnBlacklistManager && b !== UI.btnMigrate) b.style.display = 'none'; });
            if (UI.btnBlacklistManager) UI.btnBlacklistManager.style.display = 'inline-flex';
            if (UI.btnMigrate) UI.btnMigrate.style.display = 'inline-flex';
            if (UI.btnRefresh) UI.btnRefresh.style.display = 'inline-flex';

            [UI.btnUpPause, UI.btnUpStart, UI.btnUpDel, UI.btnUpClearAll, UI.btnUpClearDone, UI.btnUpClearIng].forEach(b => { if(b) b.style.display = 'none'; });
            const upSep = document.getElementById('pk-up-sep');
            if(upSep) upSep.style.display = 'none';
            if(UI.uploadWrap) UI.uploadWrap.style.display = 'none';

            [UI.btnAria2, UI.btnDown, UI.btnExt, UI.btnImgSearch].forEach(b => { if(b) b.style.display = 'inline-flex'; });
            shareBtns.forEach(b => { if(b) b.style.display = 'none'; });

            if (UI.lblGlobal) UI.lblGlobal.style.display = 'none';
            if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'none';
            if (UI.scan) UI.scan.style.display = 'none';
            if (UI.chkGlobal) UI.chkGlobal.checked = false;

            if (UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'none';

            if (UI.searchInput && UI.searchInput.parentNode) {
                UI.searchInput.parentNode.style.display = 'flex';
            }
            if (UI.bottomGrp) UI.bottomGrp.style.display = 'flex';
        }
        else if (S.starredMode || S.recentMode) {
            UI.win.classList.remove('pk-mode-trash');
            [UI.btnAria2, UI.btnDown, UI.btnExt, UI.btnImgSearch].forEach(b => { if(b) b.style.display = 'inline-flex'; });
            stdBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
            [UI.btnUpPause, UI.btnUpStart, UI.btnUpDel, UI.btnUpClearAll, UI.btnUpClearDone, UI.btnUpClearIng].forEach(b => { if(b) b.style.display = 'none'; });
            const upSep = document.getElementById('pk-up-sep');
            if(upSep) upSep.style.display = 'none';
            if(UI.uploadWrap) UI.uploadWrap.style.display = 'inline-flex';

            shareBtns.forEach(b => { if(b) b.style.display = 'none'; });

            if(UI.lblGlobal) UI.lblGlobal.style.display = 'none';
            if(UI.btnAnalyze) UI.btnAnalyze.style.display = 'none';
            if(UI.scan) UI.scan.style.display = 'none';
            if(UI.chkGlobal) UI.chkGlobal.checked = false;

            if(UI.bottomGrp) UI.bottomGrp.style.display = 'flex';
        }
        else if (S.shareMode) {
            UI.win.classList.remove('pk-mode-trash');
            stdBtns.forEach(b => { if(b && b !== UI.btnBlacklistManager) b.style.display = 'none'; });
            if (UI.btnBlacklistManager) UI.btnBlacklistManager.style.display = 'inline-flex';
            if (UI.btnRefresh) UI.btnRefresh.style.display = 'inline-flex';
            shareBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
            if(UI.lblGlobal) UI.lblGlobal.style.display = 'none';
            if(UI.btnAnalyze) UI.btnAnalyze.style.display = 'none';
            if(UI.scan) UI.scan.style.display = 'none';
            if(UI.bottomGrp) UI.bottomGrp.style.display = 'none';
        }
        else if (S.offlineMode) {
            UI.win.classList.remove('pk-mode-trash');

            [UI.btnNewFolder, UI.btnCopy, UI.btnCut, UI.btnPaste, UI.btnRename, UI.btnBulkRename, UI.btnPrune, UI.btnUnzip, UI.btnMigrate].forEach(b => { if(b) b.style.display = 'none'; });

            [UI.btnDel, UI.btnRefresh, UI.btnBlacklistManager].forEach(b => { if(b) b.style.display = 'inline-flex'; });

            shareBtns.forEach(b => { if(b) b.style.display = 'none'; });

            if(UI.lblGlobal) UI.lblGlobal.style.display = 'none';
            if(UI.btnAnalyze) UI.btnAnalyze.style.display = 'none';
            if(UI.scan) UI.scan.style.display = 'none';
            if(UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'none';

            if(UI.bottomGrp) UI.bottomGrp.style.display = 'flex';
            [UI.btnAria2, UI.btnDown].forEach(b => { if(b) b.style.display = 'none'; });
            if(UI.btnExt) UI.btnExt.style.display = 'inline-flex';
            if(UI.btnImgSearch) UI.btnImgSearch.style.display = 'inline-flex';
        }
        else if (S.uploadMode) {
            UI.win.classList.remove('pk-mode-trash');

            stdBtns.forEach(b => { if(b) b.style.display = 'none'; });
            if (UI.btnRefresh) UI.btnRefresh.style.display = 'none';
            shareBtns.forEach(b => { if(b) b.style.display = 'none'; });

            upBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
            if(upSep) upSep.style.display = 'block';

            if(UI.lblGlobal) UI.lblGlobal.style.display = 'none';
            if(UI.btnAnalyze) UI.btnAnalyze.style.display = 'none';
            if(UI.scan) UI.scan.style.display = 'none';
            if(UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'none';
            if(UI.uploadWrap) UI.uploadWrap.style.display = 'none';

            if(UI.bottomGrp) UI.bottomGrp.style.display = 'flex';
            [UI.btnAria2, UI.btnDown].forEach(b => { if(b) b.style.display = 'none'; });
            if(UI.btnExt) UI.btnExt.style.display = 'inline-flex';
            if(UI.btnImgSearch) UI.btnImgSearch.style.display = 'inline-flex';
        }
        else if (S.trashMode) {
            UI.win.classList.add('pk-mode-trash');
            if(UI.topBar) UI.topBar.style.display = 'flex';
            if(UI.actionBar) UI.actionBar.style.display = 'none';
            if(UI.trashBar) UI.trashBar.style.display = 'flex';
            if(UI.bottomGrp) UI.bottomGrp.style.display = 'none';
        }
        else {
            UI.win.classList.remove('pk-mode-trash');

            [UI.btnAria2, UI.btnDown, UI.btnExt, UI.btnImgSearch].forEach(b => { if(b) b.style.display = 'inline-flex'; });
            stdBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
            shareBtns.forEach(b => { if(b) b.style.display = 'none'; });
            [UI.btnUpPause, UI.btnUpStart, UI.btnUpDel, UI.btnUpClearAll, UI.btnUpClearDone, UI.btnUpClearIng].forEach(b => { if(b) b.style.display = 'none'; });
            const upSep = document.getElementById('pk-up-sep');
            if(upSep) upSep.style.display = 'none';
            if(UI.uploadWrap) UI.uploadWrap.style.display = 'inline-flex';

            if(UI.lblGlobal) UI.lblGlobal.style.display = 'flex';
            if(UI.btnAnalyze) UI.btnAnalyze.style.display = 'flex';
            if(UI.scan) UI.scan.style.display = 'flex';
            if(UI.bottomGrp) UI.bottomGrp.style.display = 'flex';
            if (UI.chkGlobal && typeof S.wasGlobalChecked !== 'undefined') {
                UI.chkGlobal.checked = S.wasGlobalChecked;
            }
        }

        if (S.starredMode || S.offlineMode || S.uploadMode) {
            if (UI.lblGlobal) UI.lblGlobal.style.display = 'none';
            if (UI.chkGlobal) UI.chkGlobal.checked = false;
        }

        S.clearSelection();

        const isOffline = mode === 'offline';
        const isRecent = mode === 'recent';

        const realKey = S.getRealCacheKey(isOffline ? 'offline_root' : (isRecent ? 'recent_root' : ''));
        const hasCache = typeof globalCache !== 'undefined' && globalCache.has(realKey);

        const session = typeof globalCache !== 'undefined' ? globalCache.get('offline_session') : null;
        const isResumingOffline = isOffline && session && !session.completed;

        const recentCache = isRecent && hasCache ? globalCache.get(realKey) : null;
        const isResumingRecent = isRecent && recentCache && !Array.isArray(recentCache) && recentCache.nextToken;

        if (!((isOffline && (hasCache || isResumingOffline)) || (isRecent && (hasCache || isResumingRecent)))) {
            setLoad(true, true);
        }

        load(false, !(isOffline || isRecent));

        if (window.pkSmartRefreshTrigger) {
            setTimeout(() => window.pkSmartRefreshTrigger(isOffline || isRecent), 100);
        }
    };

    const btnCloud = el.querySelector('#pk-btn-cloud');

    const showFolderSelector = (initialId, onConfirm, initialPath = null, fileFilter = null, customTitle = null) => {
        let currentPath = initialPath ? JSON.parse(JSON.stringify(initialPath)) : [{ id: '', name: L.picker_all }];
        if (currentPath.length > 0) currentPath[0].name = L.picker_all;
        let currentList = [];
        let selectedFile = null;
        let sortMode = 'new';

        const titleStr = customTitle || (fileFilter ? L.title_select_file : L.picker_title);

        const picker = showModal(`
            <div style="display:flex; flex-direction:column; height:480px; width:500px; max-width:90vw;">
                <div style="padding:0 0 20px 0; display:flex; justify-content:space-between; align-items:center; flex-shrink:0;">
                    <h3 style="margin:0; font-size:18px; font-weight:700; color:var(--pk-fg); border:none;">${titleStr}</h3>
                    <div id="pk_picker_close_btn" style="cursor:pointer; color:var(--pk-icon-c); display:flex; align-items:center; justify-content:center; padding:4px; border-radius:4px; transition:background 0.2s;">
                        ${CONF.icons.close}
                    </div>
                </div>

                <div style="display:flex; align-items:center; gap:10px; margin-bottom:10px; height:32px;">
                    <div id="pk_picker_crumb" class="pk-no-scrollbar" style="flex:1; overflow-x:auto; overflow-y:hidden; white-space:nowrap; display:flex; align-items:center; font-size:14px; color:#666; height:100%; scroll-behavior: smooth;"></div>
                    <div style="position:relative; flex-shrink:0;">
                        <div id="pk_sort_trigger" style="cursor:pointer; font-size:13px; color:var(--pk-fg); font-weight:500; display:flex; align-items:center; gap:4px; user-select:none; padding:4px 8px; border-radius:6px; background:transparent; transition:background 0.2s;">
                            <span id="pk_sort_txt">${L.picker_sort_new}</span>
                            <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="opacity:0.6;"><polyline points="6 9 12 15 18 9"/></svg>
                        </div>
                        <div id="pk_sort_menu" style="display:none; position:absolute; top:100%; right:0; background:var(--pk-bg); border:1px solid var(--pk-bd); border-radius:6px; box-shadow:0 4px 15px rgba(0,0,0,0.2); z-index:20; min-width:125px; overflow:hidden; margin-top:4px;">
                            <div class="pk-sort-opt" data-val="az" style="padding:8px 12px; font-size:14px; cursor:pointer; color:var(--pk-fg); display:flex; align-items:center; gap:8px;">${CONF.crumbIcons.sortAZ}<span>A-Z</span></div>
                            <div class="pk-sort-opt" data-val="za" style="padding:8px 12px; font-size:14px; cursor:pointer; color:var(--pk-fg); display:flex; align-items:center; gap:8px;">${CONF.crumbIcons.sortZA}<span>Z-A</span></div>
                            <div class="pk-sort-opt" data-val="new" style="padding:8px 12px; font-size:14px; cursor:pointer; color:var(--pk-fg); display:flex; align-items:center; gap:8px;">${CONF.crumbIcons.sortNew}<span>${L.picker_sort_new}</span></div>
                            <div class="pk-sort-opt" data-val="old" style="padding:8px 12px; font-size:14px; cursor:pointer; color:var(--pk-fg); display:flex; align-items:center; gap:8px;">${CONF.crumbIcons.sortOld}<span>${L.picker_sort_old}</span></div>
                        </div>
                    </div>
                </div>

                <div id="pk_picker_list" class="pk-scroll" style="flex:1; overflow-y:auto; padding:0; border-top:1px solid var(--pk-bd);">
                    <div style="text-align:center; padding:20px; color:#999;">${L.loading}</div>
                </div>

                <div style="padding-top:15px; border-top:1px solid var(--pk-bd); display:flex; justify-content:space-between; align-items:center; flex-shrink:0;">
                    <div id="pk_picker_new" style="cursor:pointer; color:var(--pk-pri); display:${fileFilter ? 'none' : 'flex'}; align-items:center; gap:6px; font-size:14px; font-weight:500;">
                        ${CONF.icons.newfolder} <span>${L.picker_new}</span>
                    </div>
                    <div style="display:flex; gap:10px; margin-left:auto;">
                        <button class="pk-btn" id="pk_picker_cancel" style="border:none; background:transparent;">${L.btn_cancel}</button>
                        <button class="pk-btn pri" id="pk_picker_ok" style="padding:0 24px; border-radius:6px;">${L.btn_ok}</button>
                    </div>
                </div>
            </div>
        `);

        const mContent = picker.querySelector('.pk-modal');
        mContent.style.padding = '20px';
        mContent.style.width = 'fit-content';
        picker.querySelector('.pk-modal-close').style.display = 'none';

        const crumbEl = picker.querySelector('#pk_picker_crumb');
        const listEl = picker.querySelector('#pk_picker_list');

        listEl.onscroll = () => {
            const oldPop = document.querySelector('.pk-crumb-pop');
            if (oldPop && typeof oldPop._cleanup === 'function') oldPop._cleanup();
        };

        const sortTrigger = picker.querySelector('#pk_sort_trigger');
        const sortMenu = picker.querySelector('#pk_sort_menu');
        const sortTxt = picker.querySelector('#pk_sort_txt');
        const closeBtn = picker.querySelector('#pk_picker_close_btn');

        closeBtn.onmouseover = () => closeBtn.style.background = 'var(--pk-hl)';
        closeBtn.onmouseout = () => closeBtn.style.background = 'transparent';
        closeBtn.onclick = () => picker.remove();

        const applySort = () => {
            const collator = new Intl.Collator(undefined, { numeric: true, sensitivity: 'base' });
            const getCharWeight = (str) => {
                if (!str) return 0;
                const c = str.charAt(0);
                if (/[0-9]/.test(c)) return 20;
                if (/[\u4e00-\u9fa5]/.test(c)) return 30;
                if (/[a-zA-Z]/.test(c)) return 40;
                return 10;
            };
            const compareNames = (nameA, nameB) => {
                const rankA = getCharWeight(nameA);
                const rankB = getCharWeight(nameB);
                if (rankA !== rankB) return rankA - rankB;
                return collator.compare(nameA, nameB);
            };

            currentList.sort((a, b) => {
                if (a.kind !== b.kind) return a.kind === 'drive#folder' ? -1 : 1;

                const isSysA = a.name === CONF.SYSTEM_FOLDER_NAME && (!a.parent_id || a.parent_id === '' || a.parent_id === 'root');
                const isSysB = b.name === CONF.SYSTEM_FOLDER_NAME && (!b.parent_id || b.parent_id === '' || b.parent_id === 'root');
                if (isSysA !== isSysB) return isSysA ? -1 : 1;

                if (sortMode === 'az') return compareNames(a.name, b.name);
                if (sortMode === 'za') return compareNames(b.name, a.name);
                if (sortMode === 'new') return new Date(b.modified_time) - new Date(a.modified_time);
                if (sortMode === 'old') return new Date(a.modified_time) - new Date(b.modified_time);
                return 0;
            });
        };

        const renderList = () => {
            listEl.innerHTML = '';
            if (currentList.length === 0) {
                listEl.innerHTML = `<div class="pk-empty" style="padding-bottom:0;position:relative;height:100%;justify-content:center;">${CONF.emptySVG}<div class="pk-empty-txt" style="margin-top:10px;">${L.str_no_files}</div></div>`;
                return;
            }

            currentList.forEach(item => {
                const div = document.createElement('div');
                div.style.cssText = "display:flex; align-items:center; padding:10px 8px; cursor:pointer; border-radius:6px; transition:background 0.1s; border-bottom:1px dashed var(--pk-bd);";

                const isDir = item.kind === 'drive#folder';
                const isSelected = selectedFile && selectedFile.id === item.id;
                const isProtected = isDir && ((typeof isSystemItem === 'function') ? isSystemItem(item) : false);
                const tagHtml = isProtected ? `<span class="pk-tag-default" style="flex:0 0 auto; margin-left:6px; min-width:auto; height:16px; padding:0 6px; line-height:1; display:inline-flex; align-items:center; justify-content:center; white-space:nowrap; overflow:visible; text-overflow:clip;">${L.tag_default}</span>` : '';

                let checkHtml = "";
                if (!isDir && fileFilter) {
                    checkHtml = `<input type="checkbox" ${isSelected ? 'checked' : ''} style="margin-right:12px; width:16px; height:16px; accent-color:var(--pk-pri); cursor:pointer;">`;
                }

                const iconSrc = item.icon_link || '';
                let iconHtml = '';
                if (isDir) {
                    const fallbackSvg = CONF.typeIcons.folder.replace(/width="\d+"/, 'width="24"').replace(/height="\d+"/, 'height="24"');
                    iconHtml = iconSrc ? `<img src="${iconSrc}" style="width:24px;height:24px;object-fit:contain;flex-shrink:0;margin-right:10px;">` : `<div style="margin-right:10px; display:flex; color:#FFC107;">${fallbackSvg}</div>`;
                } else {
                    const fallbackSvg = getIcon(item).replace(/width="\d+"/, 'width="24"').replace(/height="\d+"/, 'height="24"');
                    iconHtml = iconSrc ? `<img src="${iconSrc}" style="width:24px;height:24px;object-fit:contain;flex-shrink:0;margin-right:10px;">` : `<div style="margin-right:10px; display:flex; color:#888;">${fallbackSvg}</div>`;
                }

                div.innerHTML = `
                    ${checkHtml}
                    ${iconHtml}
                    <div style="flex:1; min-width:0; display:flex; align-items:center; font-size:14px; color:var(--pk-fg); font-weight:${isSelected?'bold':'normal'};">
                        <span style="min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; flex:0 1 auto;">${esc(item.name)}</span>
                        ${tagHtml}
                    </div>
                    ${!isDir ? `<div style="font-size:12px;color:#999;margin-left:8px;">${fmtSize(item.size)}</div>` : ''}
                `;

                div.onmouseover = () => div.style.background = 'var(--pk-hl)';
                div.onmouseout = () => div.style.background = 'transparent';
                if (isSelected) div.style.background = 'var(--pk-sel-bg)';

                div.onclick = (e) => {
                    if (isDir) {
                        selectedFile = null;
                        loadFolder(item.id, item.name);
                    } else if (fileFilter) {
                        selectedFile = (selectedFile && selectedFile.id === item.id) ? null : item;
                        renderList();
                    }
                };
                listEl.appendChild(div);
            });
        };

        let _pickerCrumbIdx = 0;
        let _lastPickerScroll = 0;

        const showPickerDropdown = async (e, parentId, triggerEl) => {
            const old = document.querySelector('.pk-crumb-pop');
            if (old) {
                const wasSame = old._sourceEl === triggerEl;
                if (typeof old._cleanup === 'function') old._cleanup();
                if (wasSame) return;
            }

            triggerEl.style.background = 'transparent';
            triggerEl.innerHTML = CONF.crumbIcons.down;
            const svgD = triggerEl.querySelector('svg');
            if (svgD) { svgD.style.width = '14px'; svgD.style.height = '14px'; svgD.style.display = 'block'; }

            const pop = document.createElement('div');
            pop.className = 'pk-crumb-pop pk-scroll pk-show';
            if (document.querySelector('.pk-ov')?.classList.contains('pk-dark')) pop.classList.add('pk-dark');

            pop.style.zIndex = '2147483647';
            pop._sourceEl = triggerEl;
            document.body.appendChild(pop);

            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            pop.style.zoom = scale;

            const rect = getLogicalRect(triggerEl);
            pop.style.top = (rect.bottom + 5) + 'px';
            pop.style.left = rect.left + 'px';

            const cleanup = () => {
                if (pop.parentNode) pop.remove();
                triggerEl.innerHTML = CONF.crumbIcons.right;
                const svgR = triggerEl.querySelector('svg');
                if (svgR) { svgR.style.width = '14px'; svgR.style.height = '14px'; svgR.style.display = 'block'; svgR.style.opacity = '0.6'; }
                document.removeEventListener('mousedown', closer);
                window.removeEventListener('resize', cleanup);
            };
            pop._cleanup = cleanup;
            const closer = (ev) => { if (!pop.contains(ev.target) && ev.target !== triggerEl) cleanup(); };
            document.addEventListener('mousedown', closer);
            window.addEventListener('resize', cleanup);

            const cacheKey = parentId || 'root';
            let folders = null;

            if (typeof globalCache !== 'undefined' && globalCache.has(cacheKey)) {
                const raw = globalCache.get(cacheKey);
                if (Array.isArray(raw) || (raw && raw.items && !raw.nextToken)) {
                     const items = Array.isArray(raw) ? raw : raw.items;
                     folders = items.filter(f => f.kind === 'drive#folder');
                }
            }

            const renderMenu = (list) => {
                const collator = new Intl.Collator(undefined, { numeric: true, sensitivity: 'base' });
                const getCharWeight = (str) => {
                    if (!str) return 0;
                    const c = str.charAt(0);
                    if (/[0-9]/.test(c)) return 20;
                    if (/[\u4e00-\u9fa5]/.test(c)) return 30;
                    if (/[a-zA-Z]/.test(c)) return 40;
                    return 10;
                };
                const compareNames = (nameA, nameB) => {
                    const rankA = getCharWeight(nameA);
                    const rankB = getCharWeight(nameB);
                    if (rankA !== rankB) return rankA - rankB;
                    return collator.compare(nameA, nameB);
                };

                list.sort((a, b) => {
                    const isSysA = a.name === CONF.SYSTEM_FOLDER_NAME && (!a.parent_id || a.parent_id === '' || a.parent_id === 'root');
                    const isSysB = b.name === CONF.SYSTEM_FOLDER_NAME && (!b.parent_id || b.parent_id === '' || b.parent_id === 'root');
                    if (isSysA !== isSysB) return isSysA ? -1 : 1;

                    if (sortMode === 'az') return compareNames(a.name, b.name);
                    if (sortMode === 'za') return compareNames(b.name, a.name);
                    if (sortMode === 'new') return new Date(b.modified_time || 0) - new Date(a.modified_time || 0);
                    if (sortMode === 'old') return new Date(a.modified_time || 0) - new Date(b.modified_time || 0);
                    return 0;
                });

                if (list.length === 0) { cleanup(); return; }
                pop.innerHTML = '';
                list.forEach(f => {
                    const itemDiv = document.createElement('div');
                    itemDiv.className = 'pk-crumb-item';
                    const iconSrc = f.icon_link || '';
                    const fallbackSvg = CONF.typeIcons.folder.replace(/width="\d+"/, 'width="18"').replace(/height="\d+"/, 'height="18"');
                    const iconHtml = iconSrc ? `<img src="${iconSrc}" style="width:18px;height:18px;object-fit:contain;flex-shrink:0;" onerror="this.style.display='none';this.nextElementSibling.style.display='inline-flex';"><span style="display:none;align-items:center;flex-shrink:0;">${fallbackSvg}</span>` : fallbackSvg;
                    const isInPath = S.path.some(pathNode => pathNode.id === f.id);
                    const textStyle = isInPath ? 'font-weight:bold; color:var(--pk-pri);' : '';
                    const isProtected = (typeof isSystemItem === 'function') ? isSystemItem(f) : false;
                    const tagHtml = isProtected ? `<span class="pk-tag-default" style="flex:0 0 auto; margin-left:6px; min-width:auto; height:16px; padding:0 6px; line-height:1; display:inline-flex; align-items:center; justify-content:center; white-space:nowrap; overflow:visible; text-overflow:clip;">${L.tag_default}</span>` : '';

                    itemDiv.innerHTML = `${iconHtml}<span style="display:inline-flex; align-items:center; justify-content:flex-start; min-width:0; max-width:calc(100% - 26px); overflow:hidden; flex:1 1 auto;"><span style="min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; flex:0 1 auto; ${textStyle}">${esc(f.name)}</span>${tagHtml}</span>`;

                    itemDiv.onclick = (ev) => {
                        ev.stopPropagation();
                        cleanup();
                        const idx = currentPath.findIndex(p => p.id === parentId);
                        if (idx !== -1) {
                            currentPath = currentPath.slice(0, idx + 1);
                            loadFolder(f.id, f.name);
                        }
                    };
                    pop.appendChild(itemDiv);
                });
            };

            if (folders !== null) {
                renderMenu(folders);
            } else {
                pop.innerHTML = `<div style="padding:10px; display:flex; justify-content:center;"><div class="pk-spin-lg" style="width:16px; height:16px; border-width:2px;"></div></div>`;
                try {
                    const listItems = await apiList(parentId || '', 1000);
                    if (typeof globalCache !== 'undefined') globalCache.set(cacheKey, listItems);
                    renderMenu(listItems.filter(f => f.kind === 'drive#folder'));
                } catch (err) { cleanup(); }
            }
        };

        const renderCrumb = () => {
            crumbEl.innerHTML = '';
            currentPath.forEach((p, i) => {
                const sp = document.createElement('span');
                const isLast = i === currentPath.length - 1;

                if (i === 0) {
                    const homeIcon = CONF.icons.home.replace('<svg', '<svg style="width:15px;height:15px;margin-right:4px;"');
                    sp.innerHTML = `${homeIcon}${L.btn_nav_home}`;
                } else {
                    sp.textContent = p.name;
                }

                sp.style.cssText = "display:flex; align-items:center; height:100%; padding:0 6px; border-radius:4px; flex-shrink:0; transition:background 0.2s; white-space:nowrap;";
                sp.style.cursor = 'pointer';
                sp.style.color = isLast ? 'var(--pk-fg)' : '#888';
                sp.style.fontWeight = isLast ? 'bold' : 'normal';

                sp.onclick = () => {
                    if (!isLast) {
                        currentPath = currentPath.slice(0, i + 1);
                    }
                    loadFolder(p.id, null, true);
                };
                sp.onmouseover = () => sp.style.background = 'var(--pk-hl)';
                sp.onmouseout = () => sp.style.background = 'transparent';

                crumbEl.appendChild(sp);

                let showArrow = !isLast;
                if (isLast) {
                    if (currentList && currentList.some(item => item.kind === 'drive#folder')) {
                        showArrow = true;
                    }
                }

                if (showArrow) {
                    const sep = document.createElement('span');
                    sep.className = 'pk-picker-arrow';
                    sep.innerHTML = CONF.crumbIcons.right;
                    const svg = sep.querySelector('svg');
                    if(svg) { svg.style.width = '14px'; svg.style.height = '14px'; svg.style.display = 'block'; svg.style.opacity = '0.6'; }
                    sep.style.cssText = "margin:0 2px; display:flex; align-items:center; cursor:pointer; padding:4px; border-radius:4px; transition:all 0.2s; flex-shrink:0; color:var(--pk-icon-c);";
                    sep.onmouseover = () => { sep.style.background = 'var(--pk-hl)'; sep.style.color = 'var(--pk-pri)'; if(svg) svg.style.opacity='1'; };
                    sep.onmouseout = () => { sep.style.background = 'transparent'; sep.style.color = 'var(--pk-icon-c)'; if(svg) svg.style.opacity='0.6'; };
                    sep.onclick = (e) => {
                        e.stopPropagation();
                        if (typeof showPickerDropdown === 'function') showPickerDropdown(e, p.id, sep);
                    };
                    crumbEl.appendChild(sep);
                }
            });
            _pickerCrumbIdx = currentPath.length - 1;
            requestAnimationFrame(() => { crumbEl.scrollLeft = crumbEl.scrollWidth; });
        };

        const handlePickerWheel = (e) => {
            e.preventDefault();
            document.querySelectorAll('.pk-crumb-pop').forEach(p => {
                if (typeof p._cleanup === 'function') p._cleanup();
            });
            const now = Date.now();
            if (now - _lastPickerScroll < 120) return;
            _lastPickerScroll = now;
            const nodes = Array.from(crumbEl.children).filter(c => !c.classList.contains('pk-picker-arrow'));
            if (!nodes.length) return;
            if (e.deltaY < 0) _pickerCrumbIdx = Math.max(0, _pickerCrumbIdx - 1);
            else _pickerCrumbIdx = Math.min(nodes.length - 1, _pickerCrumbIdx + 1);
            const target = nodes[_pickerCrumbIdx];
            if (target) {
                const centerOffset = target.offsetLeft + (target.offsetWidth / 2) - (crumbEl.clientWidth / 2);
                crumbEl.scrollTo({ left: centerOffset, behavior: 'smooth' });
            }
        };
        crumbEl.addEventListener('wheel', handlePickerWheel, { passive: false });

        const loadFolder = async (id, name, isBack = false) => {
            listEl.innerHTML = `<div style="display:flex;justify-content:center;padding:20px;"><div class="pk-spin-lg" style="width:24px;height:24px;border-width:2px;"></div></div>`;
            if (name && !isBack) currentPath.push({ id, name });
            renderCrumb();

            const cacheKey = id || 'root';
            let items = null;

            if (typeof globalCache !== 'undefined' && globalCache.has(cacheKey)) {
                const raw = globalCache.get(cacheKey);
                const isComplete = Array.isArray(raw) || (raw && raw.items && !raw.nextToken);

                if (isComplete) {
                    items = Array.isArray(raw) ? raw : raw.items;
                }
            }

            try {
                if (items === null) {
                    items = await apiList(id || '', 1000);

                    if (typeof globalCache !== 'undefined') globalCache.set(cacheKey, items);
                    indexParents(id, name || L.picker_all, items);
                }

                currentList = items.filter(i => {
                    if (i.kind === 'drive#folder') return true;
                    if (fileFilter && fileFilter(i)) return true;
                    return false;
                });

                applySort();
                renderList();
                renderCrumb();
            } catch (e) {
                listEl.innerHTML = `<div style="color:#d93025; text-align:center; padding:20px;">${L.str_error}: ${esc(e.message)}</div>`;
            }
        };

        picker.querySelector('#pk_picker_cancel').onclick = () => picker.remove();
        picker.querySelector('#pk_picker_ok').onclick = () => {
            const cur = currentPath[currentPath.length - 1];
            const returnPathChain = JSON.parse(JSON.stringify(currentPath));

            if (fileFilter && selectedFile) {
                onConfirm(selectedFile.id, selectedFile.name, selectedFile, returnPathChain);
            } else {
                onConfirm(cur.id, cur.name, null, returnPathChain);
            }
            picker.remove();
        };

        if (!fileFilter) {
            picker.querySelector('#pk_picker_new').onclick = async () => {
                const cur = currentPath[currentPath.length - 1];
                const name = await showPrompt(L.msg_newfolder_prompt, '', L.picker_new);
                if (name) {
                    try {
                        const res = await fetch('https://api-drive.mypikpak.com/drive/v1/files', {
                            method: 'POST', headers: getHeaders(),
                            body: JSON.stringify({ kind: 'drive#folder', parent_id: cur.id || '', name: name })
                        });
                        if (!res.ok) throw new Error("Create Failed");
                        const data = await res.json();
                        const newFolder = data.file || data;
                        const parentId = cur.id || 'root';
                        if (typeof globalCache !== 'undefined') globalCache.delete(parentId);
                        if (S.cache) S.cache.delete(parentId);
                        globalDirtyFolders.add(parentId);
                        gmSet('pk_fmod_' + parentId, new Date(getServerNow()).toISOString());
                        if (newFolder && newFolder.id) await loadFolder(newFolder.id, newFolder.name);
                        else await loadFolder(cur.id, null, true);
                    } catch(e) { showAlert(e.message); }
                }
            };
        }

        sortTrigger.onclick = (e) => {
            e.stopPropagation();
            const isOpening = sortMenu.style.display !== 'block';
            sortMenu.style.display = isOpening ? 'block' : 'none';
            sortTrigger.style.background = isOpening ? 'var(--pk-hl)' : 'transparent';
        };
        picker.querySelectorAll('.pk-sort-opt').forEach(el => {
            el.onclick = () => {
                sortMode = el.dataset.val;
                sortTxt.textContent = el.textContent;
                sortMenu.style.display = 'none';
                sortTrigger.style.background = 'transparent';
                applySort();
                renderList();
            };
            el.onmouseover = () => { el.style.background = 'var(--pk-hl)'; el.style.color = 'var(--pk-pri)'; };
            el.onmouseout = () => { el.style.background = 'transparent'; el.style.color = 'var(--pk-fg)'; };
        });

        const closeSortMenu = () => {
            if (sortMenu) sortMenu.style.display = 'none';
            if (sortTrigger) sortTrigger.style.background = 'transparent';
        };
        setTimeout(() => document.addEventListener('click', closeSortMenu), 0);

        const _orgRemove = picker.remove.bind(picker);
        picker.remove = () => {
            document.removeEventListener('click', closeSortMenu);
            _orgRemove();
        };

        loadFolder(initialId || '', null, true);
    };

    window.pkPendingCloudPresetLinks = '';
    window.pkOpenCloudTaskWithLinks = (links) => {
        const text = Array.isArray(links) ? links.map(x => String(x || '').trim()).filter(Boolean).join('\n') : String(links || '').trim();
        if (!text) return false;
        window.pkPendingCloudPresetLinks = text;
        if (btnCloud) {
            btnCloud.click();
            return true;
        }
        return false;
    };

    const initClipboardMagnetFocusWatcher = () => {
        if (window.__pkClipboardMagnetFocusWatcherBound) return;
        window.__pkClipboardMagnetFocusWatcherBound = true;

        const state = {
            lastCheckAt: 0,
            lastDeniedAt: 0,
            lastPromptAt: 0,
            lastSignature: '',
            prompting: false,
            processing: false,
            ignored: new Map(),
            queue: [],
            queued: new Set(),
            previewCache: new Map(),
            previewCircuitUntil: 0
        };

        const getClipText = () => getStrings();

        const normalizeHash = (link) => {
            const match = String(link || '').match(/urn:btih:([^&]+)/i);
            return match ? match[1].toUpperCase() : String(link || '').trim().toLowerCase();
        };

        const makeSignature = (links) => links.map(normalizeHash).filter(Boolean).sort().join('\n');

        const isIgnoredSignature = (signature) => {
            const until = state.ignored.get(signature) || 0;
            if (!until) return false;
            if (Date.now() < until) return true;
            state.ignored.delete(signature);
            return false;
        };

        const markIgnoredSignature = (signature) => {
            state.ignored.set(signature, Date.now() + CONF.clipboardMagnetIgnoreTTL);
        };

        const getDefaultMagnetSaveTarget = () => {
            const curFolder = S.path[S.path.length - 1] || { id: '', name: L.lbl_default_folder };
            const curId = curFolder.id || '';
            const isVirtual = curId.startsWith('virtual_') || curId.includes('_root') || curId === 'analyze_root';
            const isHomeSubDir = !S.trashMode && !S.shareMode && !S.offlineMode && !S.starredMode && !S.recentMode && !S.isFlattened && !S.dupMode && S.path.length > 1 && !isVirtual;
            return { id: isHomeSubDir ? curId : '', name: isHomeSubDir ? (curFolder.name || L.lbl_default_folder) : L.lbl_default_folder, path: isHomeSubDir ? S.path.filter(p => !p.id.startsWith('virtual_')) : null };
        };

        const createMagnetCloudTasks = async (links, targetId) => {
            const progressTask = FloatBarManager.create(L.msg_creating_cloud_task);
            let successCount = 0;
            let failCount = 0;

            for (let i = 0; i < links.length; i++) {
                progressTask.update(L.str_creating_task_n.replace('{n}', i + 1).replace('{t}', links.length));
                try {
                    let retry = 0;
                    let created = false;
                    while (retry < 3) {
                        try {
                            await apiAddOfflineTask(links[i], targetId || '', {});
                            successCount++;
                            created = true;
                            if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;
                            break;
                        } catch (reqErr) {
                            const isRateLimited = String((reqErr && (reqErr.message || reqErr.status || reqErr.code)) || '').includes('429');
                            if (isRateLimited) {
                                retry++;
                                if (retry >= 3) throw reqErr;
                                await sleep(2000 * retry);
                            } else {
                                throw reqErr;
                            }
                        }
                    }
                    if (!created) throw new Error('Magnet task create failed after retry');
                } catch (e) {
                    console.error(`Magnet Task Create Failed[${links[i]}]:`, e);
                    failCount++;
                }
                await sleep(300);
            }

            progressTask.destroy();

            if (failCount > 0) {
                showToast(L.msg_cloud_task_finish.replace('{s}', successCount).replace('{f}', failCount), 'warning');
            } else {
                showToast(L.msg_cloud_task_success.replace('{n}', successCount));
            }

            setTimeout(() => updateQuotaUI(), 1000);

            const curPathId = S.path[S.path.length - 1].id || '';
            if (S.offlineMode || (targetId && curPathId === targetId)) {
                load(false, true);
            } else if (!targetId && S.path.length === 1) {
                if (window.pkSmartRefreshTrigger) window.pkSmartRefreshTrigger(true);
            }
        };

        const extractMagnetLinks = (rawText) => {
            const text = String(rawText || '').trim();
            if (!text || text.length > CONF.clipboardMagnetMaxChars) return [];

            const unique = new Map();

            const addMagnet = (value) => {
                let link = String(value || '').trim();
                if (!link) return;

                const urnOnly = link.match(/^urn:btih:([a-fA-F0-9]{40}|[a-zA-Z2-7]{32})(?:[^\s"'<>`]*)?$/i);
                if (urnOnly) link = `magnet:?xt=urn:btih:${urnOnly[1].toUpperCase()}`;

                const pureHash = link.match(/^([a-fA-F0-9]{40}|[a-zA-Z2-7]{32})$/i);
                if (pureHash) link = `magnet:?xt=urn:btih:${pureHash[1].toUpperCase()}`;

                if (!/^magnet:\?/i.test(link)) return;
                const hashMatch = link.match(/[?&]xt=urn:btih:([a-fA-F0-9]{40}|[a-zA-Z2-7]{32})/i);
                if (!hashMatch) return;

                const signature = hashMatch[1].toUpperCase();
                if (!unique.has(signature)) unique.set(signature, link);
            };

            if (!/(magnet:\?|urn:btih:)/i.test(text)) {
                const lines = text.split(/\r?\n/).map(x => x.trim()).filter(Boolean);
                if (lines.length === 1) addMagnet(lines[0]);
                return Array.from(unique.values());
            }

            const magnetRegex = /magnet:\?[^\s"'<>`]+/gi;
            let match;
            while ((match = magnetRegex.exec(text))) addMagnet(match[0]);

            const urnRegex = /urn:btih:([a-fA-F0-9]{40}|[a-zA-Z2-7]{32})(?:[^\s"'<>`]*)?/gi;
            while ((match = urnRegex.exec(text))) addMagnet(match[0]);

            return Array.from(unique.values());
        };

        const requestMagnetPreview = (link) => {
            return new Promise((resolve) => {
                const hash = normalizeHash(link);
                const now = Date.now();
                const cached = state.previewCache.get(hash);
                if (cached && now - cached.at < cached.ttl) {
                    resolve(cached.data);
                    return;
                }

                const finish = (data) => {
                    const ttl = data && data.ok ? CONF.magnetPreviewCacheTTL : CONF.magnetPreviewErrorCacheTTL;
                    state.previewCache.set(hash, { at: Date.now(), ttl, data });
                    resolve(data);
                };

                if (state.previewCircuitUntil && now < state.previewCircuitUntil) {
                    finish({ ok: false, code: 'rate_limited' });
                    return;
                }

                const url = `${CONF.magnetPreviewApi}?url=${encodeURIComponent(link)}`;

                const handleStatus = (status) => {
                    if (status === 429) {
                        state.previewCircuitUntil = Date.now() + CONF.magnetPreviewCircuitTTL;
                        finish({ ok: false, code: 'rate_limited', status });
                        return true;
                    }
                    if (status >= 500) {
                        state.previewCircuitUntil = Date.now() + CONF.magnetPreviewCircuitTTL;
                        finish({ ok: false, code: 'network', status });
                        return true;
                    }
                    if (status && (status < 200 || status >= 300)) {
                        finish({ ok: false, code: 'network', status });
                        return true;
                    }
                    return false;
                };

                if (typeof GM_xmlhttpRequest !== 'function') {
                    fetch(url, { cache: 'no-store' }).then(r => {
                        if (handleStatus(r.status)) return null;
                        return r.json();
                    }).then(data => {
                        if (data) finish({ ok: true, code: 'ok', data });
                    }).catch(() => finish({ ok: false, code: 'network' }));
                    return;
                }

                GM_xmlhttpRequest({
                    method: 'GET',
                    url,
                    responseType: 'json',
                    timeout: CONF.magnetPreviewTimeout,
                    onload: (res) => {
                        if (handleStatus(res.status)) return;
                        try {
                            const data = res.response && typeof res.response === 'object' ? res.response : JSON.parse(res.responseText || '{}');
                            finish({ ok: true, code: 'ok', data });
                        } catch (e) {
                            finish({ ok: false, code: 'network' });
                        }
                    },
                    onerror: () => finish({ ok: false, code: 'network' }),
                    ontimeout: () => finish({ ok: false, code: 'timeout' })
                });
            });
        };

        const showMagnetPreviewModal = (links, preview) => {
            return new Promise((resolve) => {
                const TXT = getClipText();
                const data = preview && preview.ok && preview.data ? preview.data : {};
                let saveTarget = getDefaultMagnetSaveTarget();
                const toWhatslinkImageUrl = (value) => {
                    let url = String(value || '').trim();
                    if (!url) return '';
                    if (/^\/\//.test(url)) url = `https:${url}`;
                    else if (/^\//.test(url)) url = `https://whatslink.info${url}`;
                    else if (!/^https?:\/\//i.test(url) && /\.(webp|png|jpe?g|gif)(\?|#|$)/i.test(url)) url = `https://whatslink.info/${url.replace(/^\.?\//, '')}`;
                    return /^https?:\/\//i.test(url) ? url : '';
                };

                const pickShot = (item) => {
                    if (!item) return null;
                    if (typeof item === 'string') {
                        const src = toWhatslinkImageUrl(item);
                        return src ? { src, time: 0 } : null;
                    }
                    if (Array.isArray(item)) {
                        for (const sub of item) {
                            const shot = pickShot(sub);
                            if (shot) return shot;
                        }
                        return null;
                    }
                    if (typeof item === 'object') {
                        const officialSrc = toWhatslinkImageUrl(item.screenshot);
                        if (officialSrc) return { src: officialSrc, time: Number(item.time || 0) || 0 };
                        const keys = ['url', 'src', 'image', 'img', 'thumbnail', 'thumb', 'preview', 'poster', 'file', 'path'];
                        for (const key of keys) {
                            const shot = pickShot(item[key]);
                            if (shot) return { src: shot.src, time: Number(item.time || shot.time || 0) || 0 };
                        }
                        for (const val of Object.values(item)) {
                            const shot = pickShot(val);
                            if (shot) return { src: shot.src, time: Number(item.time || shot.time || 0) || 0 };
                        }
                    }
                    return null;
                };

                const collectShots = (source) => {
                    const list = [];
                    const seen = new Set();
                    const push = (value) => {
                        const shot = pickShot(value);
                        if (shot && shot.src && !seen.has(shot.src)) {
                            seen.add(shot.src);
                            list.push(shot);
                        }
                    };
                    if (Array.isArray(source.screenshots)) source.screenshots.forEach(push);
                    if (source.screenshot) push({ screenshot: source.screenshot, time: source.time });
                    if (Array.isArray(source.thumbnails)) source.thumbnails.forEach(push);
                    if (Array.isArray(source.images)) source.images.forEach(push);
                    if (Array.isArray(source.files)) source.files.forEach(file => {
                        if (file && (file.screenshots || file.screenshot || file.thumbnail || file.thumb || file.preview || file.poster || file.image || file.url || file.path)) push(file);
                    });
                    return list.slice(0, CONF.magnetPreviewMaxShots);
                };

                const fmtShotTime = (seconds) => {
                    const total = Math.floor(Number(seconds || 0));
                    if (!Number.isFinite(total) || total <= 0) return '';
                    const h = Math.floor(total / 3600);
                    const m = Math.floor((total % 3600) / 60);
                    const s = total % 60;
                    return h > 0 ? `${h}:${String(m).padStart(2, '0')}:${String(s).padStart(2, '0')}` : `${m}:${String(s).padStart(2, '0')}`;
                };

                const shots = collectShots(data);
                const name = data.name || TXT.str_magnet_unknown_name;
                const size = Number(data.size || 0) > 0 ? fmtSize(data.size) : TXT.str_magnet_unknown_name;
                const count = Number(data.count || 0) > 0 ? String(data.count) : String(links.length);
                const type = data.file_type || data.type || TXT.str_magnet_unknown_name;
                const hashText = normalizeHash(links[0]);
                const heroHtml = shots[0] ? `<img src="${esc(shots[0].src)}" alt="" draggable="false" referrerpolicy="no-referrer" onerror="this.replaceWith(Object.assign(document.createElement('div'),{className:'pk-magnet-empty',textContent:'${esc(TXT.str_no_preview).replace(/'/g, '&#39;')}'}));">` : `<div class="pk-magnet-empty">${esc(TXT.str_no_preview)}</div>`;
                const shotsHtml = shots.length > 1 ? `<div class="pk-magnet-shots">${shots.map((shot, idx) => `<div class="pk-magnet-thumb-wrap${idx === 0 ? ' active' : ''}" data-shot-index="${idx}" data-shot-src="${esc(shot.src)}"><img class="pk-magnet-thumb" src="${esc(shot.src)}" alt="" draggable="false" referrerpolicy="no-referrer" onerror="this.closest('.pk-magnet-thumb-wrap')?.remove();">${fmtShotTime(shot.time) ? `<span class="pk-magnet-shot-time">${esc(fmtShotTime(shot.time))}</span>` : ''}</div>`).join('')}</div>` : '';
                const getPreviewFailText = () => {
                    if (preview && preview.ok) return '';
                    if (preview && preview.code === 'rate_limited') return TXT.msg_magnet_preview_rate_limited;
                    if (preview && preview.code === 'timeout') return TXT.msg_magnet_preview_timeout;
                    if (preview && preview.code === 'network') return TXT.msg_magnet_preview_network;
                    return TXT.msg_magnet_preview_fail;
                };
                const failText = getPreviewFailText();
                const warnHtml = failText ? `<div class="pk-magnet-warn">${esc(failText)}</div>` : '';

                const m = showModal(`
                    <div class="pk-magnet-preview-wrap">
                        <div class="pk-magnet-hero">${heroHtml}</div>
                        <div class="pk-magnet-body">
                            <div>
                                <div class="pk-magnet-title">${esc(name)}</div>
                                <div class="pk-magnet-desc">${esc(TXT.msg_magnet_preview_desc)}</div>
                            </div>
                            ${warnHtml}
                            ${shotsHtml}
                            <div class="pk-magnet-meta">
                                <div class="pk-magnet-meta-item"><div class="pk-magnet-meta-label">${esc(TXT.lbl_magnet_count)}</div><div class="pk-magnet-meta-value">${esc(count)}</div></div>
                                <div class="pk-magnet-meta-item"><div class="pk-magnet-meta-label">${esc(TXT.lbl_magnet_size)}</div><div class="pk-magnet-meta-value">${esc(size)}</div></div>
                                <div class="pk-magnet-meta-item"><div class="pk-magnet-meta-label">${esc(TXT.lbl_magnet_type)}</div><div class="pk-magnet-meta-value">${esc(type)}</div></div>
                            </div>
                            <div class="pk-magnet-hash">${esc(TXT.lbl_magnet_hash)}：${esc(hashText)}</div>
                            <div class="pk-magnet-save-row">
                                <span class="pk-magnet-save-label">${esc(L.lbl_save_to)}</span>
                                <span class="pk-magnet-save-icon">${CONF.typeIcons.folder}</span>
                                <span class="pk-magnet-save-name" id="pk_magnet_save_name">${esc(saveTarget.name)}</span>
                                ${L.tip_cloud_save_path ? `<span class="pk-magnet-save-help" data-pk-tip="${esc(L.tip_cloud_save_path)}"><svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round" style="pointer-events:none;"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg></span>` : ''}
                                <span class="pk-magnet-save-change" id="pk_magnet_change_dir">${esc(L.btn_modify)}</span>
                            </div>
                            <div class="pk-magnet-source">${esc(TXT.lbl_magnet_preview_source)} <a href="https://whatslink.info/" target="_blank" rel="noopener noreferrer">whatslink.info</a></div>
                            <div class="pk-magnet-actions">
                                <button class="pk-btn" id="pk_magnet_cancel" style="height:38px; min-width:86px; border-radius:9px;">${esc(TXT.btn_cancel)}</button>
                                <button class="pk-btn pri" id="pk_magnet_continue" style="height:38px; min-width:128px; border-radius:9px; background:var(--pk-pri); border:none; color:#fff; font-weight:800;">${esc(TXT.btn_magnet_continue)}</button>
                            </div>
                        </div>
                    </div>
                `);

                const box = m.querySelector('.pk-modal');
                if (box) {
                    box.style.width = '420px';
                    box.style.padding = '0';
                    box.style.borderRadius = '16px';
                }

                const heroBox = m.querySelector('.pk-magnet-hero');
                const setHeroShot = (src, thumb) => {
                    if (!heroBox || !src) return;
                    let heroImg = heroBox.querySelector('img');
                    if (!heroImg) {
                        heroBox.innerHTML = `<img src="${esc(src)}" alt="" draggable="false" referrerpolicy="no-referrer">`;
                        heroImg = heroBox.querySelector('img');
                    }
                    heroImg.src = src;
                    heroImg.setAttribute('draggable', 'false');
                    heroImg.setAttribute('referrerpolicy', 'no-referrer');
                    m.querySelectorAll('.pk-magnet-thumb-wrap').forEach(x => x.classList.remove('active'));
                    if (thumb) thumb.classList.add('active');
                };

                m.querySelectorAll('.pk-magnet-thumb-wrap').forEach(thumb => {
                    thumb.addEventListener('dragstart', e => e.preventDefault());
                    thumb.addEventListener('click', () => setHeroShot(thumb.dataset.shotSrc || thumb.querySelector('img')?.getAttribute('src'), thumb));
                });

                const heroImg = m.querySelector('.pk-magnet-hero img');
                if (heroImg) heroImg.addEventListener('dragstart', e => e.preventDefault());

                const saveNameEl = m.querySelector('#pk_magnet_save_name');
                const changeDirEl = m.querySelector('#pk_magnet_change_dir');

                if (changeDirEl) {
                    changeDirEl.onclick = () => {
                        showFolderSelector(saveTarget.id, (id, name, fullItem, selectedPathChain) => {
                            saveTarget.id = id || '';
                            saveTarget.name = name || L.lbl_default_folder;
                            saveTarget.path = selectedPathChain || null;
                            if (saveNameEl) saveNameEl.textContent = saveTarget.name;
                        }, saveTarget.path);
                    };
                }

                const close = () => {
                    m.remove();
                    resolve({ confirm: false });
                };

                m.querySelector('.pk-modal-close').onclick = close;
                m.querySelector('#pk_magnet_cancel').onclick = close;
                m.querySelector('#pk_magnet_continue').onclick = () => {
                    m.remove();
                    resolve({ confirm: true, targetId: saveTarget.id, targetName: saveTarget.name });
                };
            });
        };

        const processMagnetQueue = async () => {
            if (state.processing) return;
            state.processing = true;

            try {
                while (state.queue.length > 0) {
                    const task = state.queue.shift();
                    if (!task || !task.link || !task.signature) continue;

                    if (isIgnoredSignature(task.signature)) {
                        state.queued.delete(task.signature);
                        continue;
                    }

                    if (state.lastSignature === task.signature && Date.now() - state.lastPromptAt < CONF.clipboardMagnetPromptGap) {
                        state.queued.delete(task.signature);
                        continue;
                    }

                    state.prompting = true;
                    state.lastSignature = task.signature;
                    state.lastPromptAt = Date.now();

                    let result = null;

                    try {
                        const preview = await requestMagnetPreview(task.link);
                        result = await showMagnetPreviewModal([task.link], preview);
                    } catch (e) {
                        console.error('Magnet preview queue failed:', e);
                        result = { confirm: false };
                    } finally {
                        state.prompting = false;
                    }

                    if (!result || !result.confirm) {
                        markIgnoredSignature(task.signature);
                        state.queued.delete(task.signature);
                        continue;
                    }

                    try {
                        await createMagnetCloudTasks([task.link], result.targetId || '');
                    } catch (e) {
                        console.error('Magnet cloud task failed:', e);
                        if (L.err_operation_failed) showToast(L.err_operation_failed, 'error');
                    }

                    state.queued.delete(task.signature);
                    await sleep(80);
                }
            } finally {
                state.processing = false;
                if (state.queue.length > 0) processMagnetQueue();
            }
        };

        const handleMagnetLinks = (links) => {
            if (!links || links.length === 0) return;

            let added = false;
            const now = Date.now();

            links.forEach(link => {
                const cleanLink = String(link || '').trim();
                if (!/^magnet:\?/i.test(cleanLink)) return;

                const signature = normalizeHash(cleanLink);
                if (!signature) return;
                if (isIgnoredSignature(signature)) return;
                if (state.queued.has(signature)) return;
                if (state.lastSignature === signature && now - state.lastPromptAt < CONF.clipboardMagnetPromptGap) return;

                state.queue.push({ link: cleanLink, signature });
                state.queued.add(signature);
                added = true;
            });

            if (added) processMagnetQueue();
        };

        const handleRawText = (rawText) => {
            const magnetLinks = extractMagnetLinks(rawText);
            if (magnetLinks.length === 0) return;
            handleMagnetLinks(magnetLinks);
        };

        const shouldSkipFocusCheck = () => {
            if (gmGet('pk_clipboard_magnet_focus', false) !== true) return true;
            if (document.hidden) return true;
            if (!navigator.clipboard || typeof navigator.clipboard.readText !== 'function') return true;
            if (document.querySelector('#pk_cloud_input')) return true;
            if (document.querySelector('.pk-modal-ov') && !state.processing && !state.prompting) return true;
            const now = Date.now();
            if (now - state.lastCheckAt < CONF.clipboardMagnetFocusCooldown) return true;
            if (now - state.lastDeniedAt < CONF.clipboardMagnetDenyCooldown) return true;
            return false;
        };

        const checkClipboardMagnet = async () => {
            if (shouldSkipFocusCheck()) return;

            state.lastCheckAt = Date.now();

            let rawText = '';
            try {
                rawText = await navigator.clipboard.readText();
            } catch (e) {
                state.lastDeniedAt = Date.now();
                return;
            }

            handleRawText(rawText);
        };

        const scheduleClipboardMagnetCheck = () => {
            if (window.__pkClipboardMagnetFocusTimer) clearTimeout(window.__pkClipboardMagnetFocusTimer);
            window.__pkClipboardMagnetFocusTimer = setTimeout(checkClipboardMagnet, 350);
        };

        document.addEventListener('paste', (e) => {
            if (gmGet('pk_clipboard_magnet_paste', CONF.clipboardMagnetPaste) === false) return;
            if (document.querySelector('#pk_cloud_input')) return;
            const active = document.activeElement;
            if (active && (active.isContentEditable || ['INPUT', 'TEXTAREA', 'SELECT'].includes(active.tagName))) return;
            const rawText = e.clipboardData ? e.clipboardData.getData('text/plain') : '';
            handleRawText(rawText);
        }, true);

        document.addEventListener('visibilitychange', () => {
            if (!document.hidden) scheduleClipboardMagnetCheck();
        });

        window.addEventListener('focus', scheduleClipboardMagnetCheck);
        window.addEventListener('pageshow', scheduleClipboardMagnetCheck);
    };

    initClipboardMagnetFocusWatcher();

    if (btnCloud) {
        btnCloud.onclick = () => {
            const curFolder = S.path[S.path.length - 1];
            const isVirtual = curFolder.id.startsWith('virtual_') || curFolder.id.includes('_root') || curFolder.id === 'analyze_root';
            const isHomeSubDir = !S.trashMode && !S.shareMode && !S.offlineMode && !S.starredMode && !S.recentMode && !S.isFlattened && !S.dupMode && S.path.length > 1 && !isVirtual;

            let saveToId = isHomeSubDir ? (curFolder.id || '') : '';
            let saveToName = isHomeSubDir ? (curFolder.name || L.lbl_default_folder) : L.lbl_default_folder;

            let currentSavePath = isHomeSubDir ? S.path.filter(p => !p.id.startsWith('virtual_')) : null;

            const m = showModal(`
                <div style="padding: 10px 5px 0 5px; display: flex; flex-direction: column; gap: 20px;">
                    <h3 style="border:none; margin:0; font-size:18px; font-weight:700; color:var(--pk-fg);">${L.title_cloud_task}</h3>

                    <textarea class="pk-cloud-area pk-scroll" id="pk_cloud_input" placeholder="${L.ph_cloud_links}"></textarea>

                    <div style="display:flex; justify-content:space-between; align-items:center; margin-top:-8px; margin-bottom:-4px;">
                        <label style="display:flex; align-items:center; cursor:pointer; font-size:12px; color:var(--pk-fg); user-select:none; opacity:0.8; transition:opacity 0.2s;" onmouseover="this.style.opacity=1" onmouseout="this.style.opacity=0.8">
                            <input type="checkbox" id="pk_cloud_smart_fix" checked style="accent-color:var(--pk-pri); margin-right:6px; width:14px; height:14px; cursor:pointer;">
                            ${L.lbl_smart_fix}
                        </label>
                        <div id="pk_cloud_error" style="display:none; color:#d93025; font-size:13px; font-weight:600;">${L.err_invalid_links}</div>
                    </div>

                    <div id="pk_cloud_dest_row" style="display:flex; align-items:flex-end; gap:8px; font-size:14px; color:var(--pk-fg); line-height:1;">
                        <span style="opacity:0.9; margin-bottom:1px;">${L.lbl_save_to}</span>
                        <div style="display:flex; align-items:flex-end; gap:5px;">
                            <div style="line-height:0; transform:translateY(2px);">
                                ${CONF.typeIcons.folder.replace('width="30"', 'width="20"').replace('height="30"', 'height="20"')}
                            </div>
                            <span id="pk_cloud_dir_name" style="font-weight:600; max-width:200px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; margin-bottom:1px;">${saveToName}</span>
                            <div style="display:flex; color:#aaa; transition:color 0.2s; margin-bottom:1px;" data-pk-tip="${L.tip_cloud_save_path}" onmouseover="this.style.color=document.querySelector('.pk-ov').classList.contains('pk-dark')?'#ddd':'#666'" onmouseout="this.style.color='#aaa'">
                                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" style="pointer-events:none;"><circle cx="12" cy="12" r="10"/><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"/><line x1="12" y1="17" x2="12.01" y2="17"/></svg>
                            </div>
                            <span id="pk_cloud_change_dir" style="color:var(--pk-pri); cursor:pointer; font-size:14px; margin-left:2px; margin-bottom:1px; display:inline-block;">${L.btn_modify}</span>
                        </div>
                    </div>

                    <div class="pk-modal-act" style="margin-top:10px; display:flex; align-items:center; justify-content:space-between; gap:20px;">
                        <div style="position:relative; flex-shrink:0;">
                            <span id="pk_cloud_torrent_trigger" style="color:var(--pk-pri); cursor:pointer; font-size:14px; font-weight:500; display:inline-block;">${L.btn_via_torrent}</span>
                            <input type="file" id="pk_cloud_torrent_file" accept=".torrent" multiple style="display:none;">
                        </div>
                        <div style="display:flex; gap:12px; align-items:center; flex-shrink:0;">
                            <button class="pk-btn" id="cloud_cancel" style="height:40px; width:110px; border-radius:8px; background:transparent; color:var(--pk-fg); font-weight:600; border:none; font-size:14px; flex-shrink:0; justify-content:center;">${L.btn_cancel}</button>
                            <button class="pk-btn pri" id="cloud_submit" disabled style="height:40px; width:110px; border-radius:8px; background:var(--pk-pri); border:none; color:#fff; font-weight:bold; font-size:14px; display:inline-flex; align-items:center; justify-content:center; gap:6px; transition:all 0.2s; white-space:nowrap; flex-shrink:0;">
                                <span style="display:block !important; line-height:1;">${L.btn_create_now}</span>
                            </button>
                        </div>
                    </div>
                </div>
            `);

            const modalBox = m.querySelector('.pk-modal');
            modalBox.style.width = "560px";
            modalBox.style.padding = "30px";

            const closeBtn = m.querySelector('.pk-modal-close');
            if (closeBtn) { closeBtn.style.top = "36px"; closeBtn.style.right = "30px"; }

            const input = m.querySelector('#pk_cloud_input');
            const submit = m.querySelector('#cloud_submit');
            const dirLabel = m.querySelector('#pk_cloud_dir_name');

            m.querySelector('#pk_cloud_change_dir').onclick = () => {
                showFolderSelector(saveToId, (id, name, fullItem, selectedPathChain) => {
                    saveToId = id;
                    saveToName = name;
                    dirLabel.textContent = name;
                    if (selectedPathChain) {
                        currentSavePath = selectedPathChain;
                    }
                }, currentSavePath);
            };

            const smartFixCheckbox = m.querySelector('#pk_cloud_smart_fix');
            if (smartFixCheckbox) smartFixCheckbox.onchange = () => input.dispatchEvent(new Event('input'));

            const parseAndCleanLinks = parseCloudLinks;

            input.oninput = () => {
                const rawVal = input.value.trim();
                const isSmartFix = smartFixCheckbox ? smartFixCheckbox.checked : false;

                const linesRaw = rawVal.split('\n').map(l => l.trim()).filter(l => l);
                const hasInput = linesRaw.length > 0;

                const finalLinks = parseAndCleanLinks(rawVal, isSmartFix);

                const allValid = hasInput && (finalLinks.length === linesRaw.length || finalLinks.length > 0);

                const isError = hasInput && !allValid;
                m.querySelector('#pk_cloud_error').style.display = isError ? 'block' : 'none';

                submit.disabled = !allValid;
            };

            const presetLinks = String(window.pkPendingCloudPresetLinks || '').trim();
            window.pkPendingCloudPresetLinks = '';
            if (presetLinks) {
                input.value = presetLinks;
                if (smartFixCheckbox) smartFixCheckbox.checked = true;
                input.dispatchEvent(new Event('input'));
                setTimeout(() => input.focus(), 0);
            }

            m.querySelector('#cloud_cancel').onclick = () => m.remove();

            const torrentTrigger = m.querySelector('#pk_cloud_torrent_trigger');
            const torrentFile = m.querySelector('#pk_cloud_torrent_file');

            torrentTrigger.onclick = () => torrentFile.click();

            const showSnapshotModal = (urlList, defaultId, defaultName) => {
                return new Promise((resolve) => {
                    let currentSaveId = defaultId;
                    let currentSaveName = defaultName;

                    const displayUrl = urlList[0];
                    const countSuffix = urlList.length > 1 ? L.str_snap_link_count_suffix.replace('{n}', urlList.length) : '';

                    const snapIcon = `<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="3" width="20" height="18" rx="4" fill="#647EFF"/><circle cx="12" cy="12" r="5" stroke="white" stroke-width="2"/><path d="M16 8L18 6" stroke="white" stroke-width="2" stroke-linecap="round"/><path d="M6 18L8 16" stroke="white" stroke-width="2" stroke-linecap="round"/></svg>`;

                    const sm = showModal(`
                        <div style="padding: 10px 5px 0 5px; width: 480px; max-width: 90vw;">
                            <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px;">
                                <h3 style="margin: 0; font-size: 18px; font-weight: 700; border: none; color: var(--pk-fg);">${L.title_save_method}</h3>
                            </div>
                            <div style="font-size: 13px; color: #888; margin-bottom: 20px; display: flex; align-items: center; gap: 4px;">
                                ${L.msg_save_snapshot_desc}
                                <div style="display:flex; cursor:help; color:#888;" data-pk-tip="${L.tip_snapshot_details}">
                                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="16" x2="12" y2="12"/><line x1="12" y1="8" x2="12.01" y2="8"/></svg>
                                </div>
                            </div>

                            <div style="border: 1px solid var(--pk-pri); background: rgba(0, 103, 192, 0.05); border-radius: 8px; padding: 15px; display: flex; align-items: center; gap: 12px; margin-bottom: 25px;">
                                <div style="width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: #fff; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1);">
                                    ${snapIcon}
                                </div>
                                <div style="flex: 1; overflow: hidden;">
                                    <div style="font-size: 14px; color: var(--pk-fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500;">
                                        ${esc(displayUrl)}${countSuffix}
                                    </div>
                                </div>
                            </div>

                            <div style="display:flex; align-items:baseline; gap:10px; font-size:14px; color:var(--pk-fg); margin-bottom: 30px;">
                                <span style="opacity:0.9;">${L.lbl_save_to}</span>
                                <div style="display:flex; align-items:baseline; gap:6px;">
                                    <span style="display:inline-flex; align-items:center; transform:translateY(5px);">
                                        ${CONF.typeIcons.folder.replace('width="30"', 'width="20"').replace('height="30"', 'height="20"')}
                                    </span>
                                    <span id="snap_dir_name" style="font-weight:600; max-width:200px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;">${esc(currentSaveName)}</span>
                                    <span id="snap_change_dir" style="color:var(--pk-pri); cursor:pointer; font-size:14px; margin-left:4px;">${L.btn_modify}</span>
                                </div>
                            </div>

                            <div class="pk-modal-act" style="display: flex; justify-content: flex-end; gap: 12px;">
                                <button class="pk-btn" id="snap_cancel" style="height:36px; padding:0 20px; border-radius:6px; background:transparent;">${L.btn_cancel}</button>
                                <button class="pk-btn pri" id="snap_save" style="height:36px; padding:0 20px; border-radius:6px; background:var(--pk-pri); color:#fff; font-weight:600; border:none;">${L.btn_save_snapshot}</button>
                            </div>
                        </div>
                    `);

                    const mBox = sm.querySelector('.pk-modal');
                    if (mBox) { mBox.style.padding = '24px'; mBox.style.width = 'auto'; }
                    const closeBtn = sm.querySelector('.pk-modal-close');
                    if (closeBtn) { closeBtn.style.top = '30px'; closeBtn.style.right = '24px'; }

                    let snapCurrentPath = currentSavePath;

                    sm.querySelector('#snap_change_dir').onclick = () => {
                        showFolderSelector(currentSaveId, (id, name, fullItem, selectedPathChain) => {
                            currentSaveId = id;
                            currentSaveName = name;
                            sm.querySelector('#snap_dir_name').textContent = name;
                            if (selectedPathChain) {
                                snapCurrentPath = selectedPathChain;
                                currentSavePath = selectedPathChain;
                                saveToId = id;
                                saveToName = name;
                                dirLabel.textContent = name;
                            }
                        }, snapCurrentPath);
                    };

                    const doClose = (result) => {
                        sm.remove();
                        resolve(result ? { confirm: true, targetId: currentSaveId } : { confirm: false });
                    };

                    sm.querySelector('#snap_cancel').onclick = () => doClose(false);
                    if (closeBtn) closeBtn.onclick = () => doClose(false);
                    sm.querySelector('#snap_save').onclick = () => doClose(true);

                    sm.tabIndex = 0;
                    setTimeout(() => sm.focus(), 10);
                    sm.addEventListener('keydown', (e) => {
                        if (e.key === 'Enter') {
                            e.preventDefault(); e.stopPropagation();
                            sm.querySelector('#snap_save').click();
                        }
                    });
                });
            };

            torrentFile.onchange = async (e) => {
                const files = e.target.files;
                if (!files || files.length === 0) return;
                m.remove();

                const fb = FloatBarManager.create(L.str_parsing_torrent);
                let successCount = 0;
                let failCount = 0;

                for (let i = 0; i < files.length; i++) {
                    const file = files[i];
                    fb.update(`${L.str_parsing_torrent} (${i + 1}/${files.length})`);

                    try {
                        const magnetLink = await new Promise((resolve, reject) => {
                            const reader = new FileReader();
                            reader.onload = async (evt) => {
                                try {
                                    const buf = new Uint8Array(evt.target.result);
                                    let pos = 0;
                                    const decodeSkip = () => {
                                        if (pos >= buf.length) return;
                                        const c = buf[pos];
                                        if (c === 100 || c === 108) {
                                            pos++;
                                            while (pos < buf.length && buf[pos] !== 101) decodeSkip();
                                            pos++;
                                        } else if (c === 105) {
                                            pos++;
                                            while (pos < buf.length && buf[pos] !== 101) pos++;
                                            pos++;
                                        } else if (c >= 48 && c <= 57) {
                                            let colon = pos;
                                            while (colon < buf.length && buf[colon] !== 58) colon++;
                                            const lenStr = new TextDecoder().decode(buf.slice(pos, colon));
                                            const len = parseInt(lenStr, 10);
                                            pos = colon + 1 + len;
                                        }
                                    };

                                    if (buf[0] !== 100) throw new Error(L.err_invalid_torrent);
                                    pos = 1;
                                    let infoHash = null;

                                    while (pos < buf.length && buf[pos] !== 101) {
                                        const keyStart = pos;
                                        decodeSkip();

                                        let colon = keyStart;
                                        while (colon < buf.length && buf[colon] !== 58) colon++;
                                        const kLen = parseInt(new TextDecoder().decode(buf.slice(keyStart, colon)));
                                        const keyStr = new TextDecoder().decode(buf.slice(colon + 1, colon + 1 + kLen));

                                        if (keyStr === "info") {
                                            const infoStart = pos;
                                            decodeSkip();
                                            const infoEnd = pos;
                                            const infoBuf = buf.slice(infoStart, infoEnd);

                                            const hashBuf = await crypto.subtle.digest("SHA-1", infoBuf);
                                            infoHash = Array.from(new Uint8Array(hashBuf)).map(b => b.toString(16).padStart(2, '0')).join('');
                                            break;
                                        } else {
                                            decodeSkip();
                                        }
                                    }

                                    if (infoHash) resolve(`magnet:?xt=urn:btih:${infoHash}&dn=${encodeURIComponent(file.name)}`);
                                    else reject(new Error(L.err_torrent_no_info));
                                } catch (err) { reject(err); }
                            };
                            reader.onerror = () => reject(new Error(L.err_file_read));
                            reader.readAsArrayBuffer(file);
                        });

                        fb.update(`${L.msg_creating_cloud_task} (${i + 1}/${files.length})`);

                        let retry = 0;
                        while (retry < 3) {
                            try {
                                await apiAddOfflineTask(magnetLink, saveToId);
                                successCount++;
                                break;
                            } catch (reqErr) {
                                if (reqErr.message && reqErr.message.includes('429')) {
                                    retry++;
                                    await sleep(2000 * retry);
                                } else {
                                    throw reqErr;
                                }
                            }
                        }
                    } catch (e) {
                        console.error(`Torrent parse/upload failed for ${file.name}:`, e);
                        failCount++;
                    }
                }

                fb.destroy();

                if (failCount > 0) {
                    showToast(L.msg_cloud_task_finish.replace('{s}', successCount).replace('{f}', failCount), 'warning');
                } else if (successCount > 0) {
                    showToast(L.msg_cloud_task_success.replace('{n}', successCount));
                }

                if (successCount > 0) {
                    if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;
                    setTimeout(() => updateQuotaUI(), 1000);
                    const curPathId = S.path[S.path.length - 1].id || '';
                    if (S.offlineMode || (saveToId && curPathId === saveToId)) {
                        load(false, true);
                    } else if (!saveToId && S.path.length === 1 && window.pkSmartRefreshTrigger) {
                         window.pkSmartRefreshTrigger(true);
                    }
                }
            };

            submit.onclick = async () => {
                if (submit.disabled) return;

                const rawVal = input.value.trim();
                if (!rawVal) return;

                const isSmartFix = smartFixCheckbox ? smartFixCheckbox.checked : false;

                m.style.display = 'none';

                const finalLinks = parseAndCleanLinks(rawVal, isSmartFix);

                const videoPlatformRegex = /(?:youtube\.com|youtu\.be|twitter\.com|x\.com|tiktok\.com|douyin\.com|facebook\.com|fb\.watch|instagram\.com|t\.me|bilibili\.com)/i;
                const snapshotLinks = finalLinks.filter(l => /^https?:\/\//i.test(l) && !videoPlatformRegex.test(l));
                const directLinks = finalLinks.filter(l => !/^https?:\/\//i.test(l) || videoPlatformRegex.test(l));

                let snapshotParams = null;
                const isSingleSnapshotTask = (finalLinks.length === 1 && snapshotLinks.length === 1);

                if (isSingleSnapshotTask) {
                    const result = await showSnapshotModal(snapshotLinks, saveToId, saveToName);
                    if (!result.confirm) {
                        m.style.display = 'flex';
                        return;
                    }
                    snapshotParams = {
                        save_as: 'snapshot',
                        targetId: result.targetId
                    };
                }

                m.remove();
                const progressTask = FloatBarManager.create(L.msg_creating_cloud_task);

                let successCount = 0;
                let failCount = 0;

                const processQueue =[
                    ...directLinks.map(u => ({ url: u, isSnap: false })),
                    ...snapshotLinks.map(u => ({ url: u, isSnap: true }))
                ];

                for (let i = 0; i < processQueue.length; i++) {
                    const item = processQueue[i];
                    progressTask.update(L.str_creating_task_n.replace('{n}', i + 1).replace('{t}', processQueue.length));

                    try {
                        const pid = (item.isSnap && snapshotParams) ? snapshotParams.targetId : saveToId;
                        const extras = item.isSnap ? { save_as: 'snapshot' } : {};

                        let retry = 0;
                        while (retry < 3) {
                            try {
                                await apiAddOfflineTask(item.url, pid, extras);
                                successCount++;
                                if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;
                                break;
                            } catch (reqErr) {
                                if (reqErr.message && reqErr.message.includes('429')) {
                                    retry++;
                                    await sleep(2000 * retry);
                                } else {
                                    throw reqErr;
                                }
                            }
                        }
                    } catch(e) {
                        console.error(`Task Create Failed[${item.url}]:`, e);
                        failCount++;
                    }
                    await sleep(300);
                }

                progressTask.destroy();

                if (failCount > 0) {
                    showToast(L.msg_cloud_task_finish.replace('{s}', successCount).replace('{f}', failCount), 'warning');
                } else {
                    showToast(L.msg_cloud_task_success.replace('{n}', successCount));
                }

                setTimeout(() => updateQuotaUI(), 1000);

                const curPathId = S.path[S.path.length - 1].id || '';
                if (S.offlineMode || (saveToId && curPathId === saveToId)) {
                    load(false, true);
                } else if (!saveToId && S.path.length === 1) {
                    if(window.pkSmartRefreshTrigger) window.pkSmartRefreshTrigger(true);
                }
            };
        };
    }

    UI.btnNavHome.onclick = () => switchTab('home');
    if(UI.btnNavStarred) UI.btnNavStarred.onclick = () => switchTab('starred');
    if(UI.btnNavRecent) UI.btnNavRecent.onclick = () => switchTab('recent');
    if(UI.btnNavHistory) UI.btnNavHistory.onclick = () => switchTab('history');
    if(UI.btnNavUpload) UI.btnNavUpload.onclick = () => switchTab('upload');
    if(UI.btnNavShare) UI.btnNavShare.onclick = () => switchTab('share');
    if (UI.btnNavOffline) {
        UI.btnNavOffline.onclick = () => {
            switchTab('offline');
        };
    }
    UI.btnNavTrash.onclick = () => switchTab('trash');

    if (UI.btnTrashRefresh) {
        UI.btnTrashRefresh.onclick = () => { updateQuotaUI(); load(false, true); };
    }

    UI.btnRestore.onclick = async () => {
        const ids = S.getSelectedIds();
        if (ids.length === 0) return;

        ensureItemMap();

        const progressTask = FloatBarManager.create(L.msg_prepare_restore);
        const updateFloat = progressTask.update;

        isGUISensitive = true;

        S.clearSelection();

        try {
            const BATCH_SIZE = 500;
            const total = ids.length;
            const taskIds =[];
            const affectedParentIds = new Set();
            const restoredFolders = [];

            ids.forEach(id => {
                const item = S.itemMap.get(id);
                if (item) {
                    if (item.kind === 'drive#folder') restoredFolders.push(item);
                    if (item.parent_id) affectedParentIds.add(item.parent_id);
                    else affectedParentIds.add('root');
                }
            });

            updateFloat(L.msg_submit_request.replace('{c}', 0).replace('{t}', total));

            for (let i = 0; i < total; i += BATCH_SIZE) {
                const chunk = ids.slice(i, i + BATCH_SIZE);

                const res = await fetch(`https://api-drive.mypikpak.com/drive/v1/files:batchUntrash`, {
                    method: 'POST',
                    headers: getHeaders(),
                    body: JSON.stringify({ ids: chunk })
                });

                if (!res.ok) throw new Error(`Batch Untrash Error ${res.status}`);

                const data = await res.json();

                if (data.task_id) {
                    taskIds.push(data.task_id);
                }

                updateFloat(L.msg_submit_request.replace('{c}', Math.min(i + BATCH_SIZE, total)).replace('{t}', total));
                await sleep(50);
            }

            if (taskIds.length > 0) {
                updateFloat(L.msg_wait_server.replace('{c}', 0).replace('{t}', taskIds.length));

                const pendingTasks = new Set(taskIds);
                let pollRetries = 0;
                const maxPollRetries = 120;

                while (pendingTasks.size > 0 && pollRetries < maxPollRetries) {
                    await sleep(1000);
                    pollRetries++;

                    const currentIdsToCheck = Array.from(pendingTasks).join(',');
                    const filters = {
                        phase: { eq: "PHASE_TYPE_COMPLETE" },
                        id: { in: currentIdsToCheck }
                    };
                    const filterStr = encodeURIComponent(JSON.stringify(filters));

                    const pollUrl = `https://api-drive.mypikpak.com/drive/v1/tasks?with=reference_resource&type=&thumbnail_size=SIZE_SMALL&limit=100&filters=${filterStr}`;

                    try {
                        const tRes = await fetch(pollUrl, { headers: getHeaders() });
                        if (tRes.ok) {
                            const tData = await tRes.json();
                            const completedTasks = tData.tasks || [];

                            completedTasks.forEach(t => {
                                if (pendingTasks.has(t.id)) {
                                    pendingTasks.delete(t.id);
                                }
                            });

                            const doneCount = taskIds.length - pendingTasks.size;
                            updateFloat(L.msg_server_processing.replace('{c}', doneCount).replace('{t}', taskIds.length));
                        }
                    } catch (err) {
                        console.warn("[Restore] Poll failed, retrying...", err);
                    }
                }

                if (pendingTasks.size > 0) {
                    console.warn(`[Restore] Timeout waiting for tasks: ${Array.from(pendingTasks)}`);
                }
            }

            const allIdSet = new Set(ids);
            ids.forEach(id => S.itemMap.delete(id));
            S.items = S.items.filter(x => !allIdSet.has(x.id));

            ids.forEach(id => {
                const reviveFromTombstone = (fid) => {
                    if (globalTombstoneCache.has(fid)) {
                        const savedData = globalTombstoneCache.get(fid);
                        globalCache.set(fid, savedData);
                        globalTombstoneCache.delete(fid);

                        const list = Array.isArray(savedData) ? savedData : (savedData.items ||[]);
                        list.forEach(child => {
                            if (child.kind === 'drive#folder') {
                                reviveFromTombstone(child.id);
                            }
                        });
                    }
                };

                const wipeCrawlerMemory = (fid) => {
                    scannedFolderIds.delete(fid);
                    const children = [];
                    for (const [childId, parentInfo] of globalParentIndex.entries()) {
                        if (parentInfo.id === fid) {
                            children.push(childId);
                        }
                    }
                    children.forEach(childId => wipeCrawlerMemory(childId));
                };

                reviveFromTombstone(id);
                wipeCrawlerMemory(id);
            });


            if (typeof globalCache !== 'undefined') {
                const cleanListChunk = (raw) => {
                    if (Array.isArray(raw)) return raw.filter(f => !allIdSet.has(f.id));
                    if (raw && Array.isArray(raw.items)) {
                        raw.items = raw.items.filter(f => !allIdSet.has(f.id));
                        return raw;
                    }
                    return raw;
                };
                for (const key of globalCache.keys()) {
                    if (key && (key.endsWith('_root') || key === 'root_trashed')) {
                        globalCache.set(key, cleanListChunk(globalCache.get(key)));
                    }
                }
                for (const key of S.cache.keys()) {
                    if (key && (key.endsWith('_root') || key === 'root_trashed')) {
                        S.cache.set(key, cleanListChunk(S.cache.get(key)));
                    }
                }
            }

            refresh();

            affectedParentIds.forEach(pid => {
                if (pid && pid !== 'root') gmSet('pk_fmod_' + pid, new Date(getServerNow()).toISOString());
            });

            affectedParentIds.forEach(pid => {
                const keys = (pid === 'root' || pid === '') ? ['root', ''] : [pid];

                keys.forEach(k => {
                    if (typeof globalCache !== 'undefined') globalCache.delete(k);
                    if (S.cache) S.cache.delete(k);
                    if (typeof scannedFolderIds !== 'undefined') scannedFolderIds.delete(k);
                    if (typeof globalDirtyFolders !== 'undefined') globalDirtyFolders.add(k);
                });

                const queueId = (pid === 'root') ? '' : pid;
                backgroundQueue.unshift({ id: queueId, name: "Refill_Restore", retryCount: 0 });
            });

            restoredFolders.forEach(folder => {
                scannedFolderIds.delete(folder.id);
                backgroundQueue.unshift({ id: folder.id, name: folder.name, retryCount: 0 });
            });

            runBackgroundCrawler();
            if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;
            showToast(L.msg_restore_done.replace('{n}', total));

        } catch(e) {
            showAlert(`${L.str_error}: ${e.message}`);
            load(false, true);
        } finally {
            if (progressTask) progressTask.destroy();
            isGUISensitive = false;
        }
    };

    UI.btnDelForever.onclick = async () => {
        const ids = S.getSelectedIds();
        const count = ids.length;
        if (count === 0) return;

        ensureItemMap();

        if (!await showConfirm(L.msg_del_forever_confirm.replace('{n}', count))) return;

        await executeBatchDelete(ids, {
            hardDelete: true,
            silent: false
        });
    };

    UI.btnEmptyTrash.onclick = async () => {
        if (!await showConfirm(L.msg_empty_trash_confirm)) return;
        if (S.items.length === 0) return;

        S._isEmptyingTrash = true;
        setLoad(true);
        updateLoadTxt(L.str_deleting);

        try {
            const res = await fetch('https://api-drive.mypikpak.com/drive/v1/files/trash:empty', {
                method: 'PATCH',
                headers: getHeaders()
            });

            if (!res.ok) throw new Error(`API Error ${res.status}`);

            S.items = [];
            S.display = [];
            S.itemMap.clear();
            S.clearSelection();

            if (typeof globalCache !== 'undefined') globalCache.delete('root_trashed');
            if (S.cache) S.cache.delete('root_trashed');

            refresh();
            updateStat();
            showToast(L.msg_trash_emptied);

        } catch (e) {
            showAlert(`${L.str_error}: ${e.message}`);
        } finally {
            setLoad(false);
            S._isEmptyingTrash = false;
        }
    };

    const openSettingsModal = () => {
        const inputStyle = `width:100%; height:44px; padding:0 15px; border:2px solid var(--pk-bd); border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:14px; font-weight:600; outline:none; transition:border-color 0.2s; box-sizing:border-box;`;
        const areaStyle = `width:100%; min-height:60px; max-height:120px; padding:12px 15px; border:2px solid var(--pk-bd); border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:13px; font-weight:600; outline:none; transition:border-color 0.2s; box-sizing:border-box; resize:vertical; line-height:1.5; font-family:inherit; cursor:auto;`;        const labelStyle = `position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; line-height:1; font-size:11px; color:var(--pk-pri); font-weight:bold; pointer-events:none; z-index:1;`;
        const curLang = gmGet('pk_lang', lang);
        const curEngine = gmGet('pk_search_engine', 'google');
        const curAriaUrl = gmGet('pk_aria2_url', '');
        const curAriaToken = gmGet('pk_aria2_token', '');
        const curBlur = gmGet('pk_blur_thumb', false);
        const curBlurScope = gmGet('pk_blur_scope', curBlur ? 'list' : 'off');

        let selectedLang = curLang;
        let selectedEngine = curEngine;

        let totalStorageBytes = 0;
        const keys = typeof GM_listValues !== 'undefined' ? GM_listValues() : Object.keys(localStorage);
        keys.forEach(k => {
            if (k.startsWith('pk_')) {
                const val = typeof GM_getValue !== 'undefined' ? GM_getValue(k) : localStorage.getItem(k);
                totalStorageBytes += (k.length + JSON.stringify(val || '').length);
            }
        });

        if (typeof globalCache !== 'undefined') {
            for (const [k, v] of globalCache.entries()) {
                try { totalStorageBytes += k.toString().length + JSON.stringify(v).length; } catch(e){}
            }
        }

        const storageDisplay = fmtSize(totalStorageBytes);

        const m = showModal(`
            <div style="display:flex; flex-direction:column; height:580px; max-height:75vh; width:420px; max-width:95vw; overflow:hidden; overscroll-behavior:none; position:relative;">
                <div style="padding: 30px 30px 15px 30px; flex-shrink:0; transform:translateZ(0);">
                    <h3 style="margin: 0; font-size: 18px; font-weight: 700; border: none; line-height: 1.2; color: var(--pk-fg);">${L.modal_settings_title}</h3>
                </div>

                <div class="pk-scroll pk-no-scrollbar" style="flex:1; overflow-y:auto; padding: 10px 30px 20px 30px; overscroll-behavior:contain; transform:translateZ(0);">
                    <div style="display:flex; flex-direction:column; gap:25px; padding-top:10px;">

                        <div class="pk-custom-select" id="cs_set_lang" style="position:relative; z-index:30;">
                            <div class="pk-select-label">${L.label_lang}</div>
                            <div class="pk-select-trigger"><span id="txt_set_lang"></span>${CONF.crumbIcons.down}</div>
                            <div class="pk-select-menu pk-scroll" style="height:auto; max-height:none; overflow-y:hidden; overscroll-behavior:contain;">
                                <div class="pk-select-item" data-val="zh">简体中文</div>
                                <div class="pk-select-item" data-val="tc">繁體中文</div>
                                <div class="pk-select-item" data-val="en">English</div>
                                <div class="pk-select-item" data-val="ko">한국어</div>
                                <div class="pk-select-item" data-val="ja">日本語</div>
                                <div class="pk-select-item" data-val="id">Indonesia</div>
                                <div class="pk-select-item" data-val="ms">Bahasa Melayu</div>
                            </div>
                        </div>

                        <div style="position:relative;">
                            <label for="set_turbo"
                                onmouseover="this.style.borderColor='var(--pk-pri)'"
                                onmouseout="this.style.borderColor='var(--pk-bd)'"
                                style="display:flex; align-items:center; justify-content:space-between; height:44px; border:2px solid var(--pk-bd); border-radius:8px; padding:0 12px; cursor:pointer; background:var(--pk-bg); transition:border-color 0.2s; box-sizing:border-box; transform: translateZ(0);">
                                <span style="font-size:14px; color:var(--pk-fg);user-select:none;">${L.desc_turbo_mode}</span>
                                <input type="checkbox" id="set_turbo" ${gmGet('pk_turbo_mode', false)?'checked':''} style="width:18px; height:18px; accent-color:var(--pk-pri); cursor:pointer;">
                            </label>
                            <div class="pk-select-label">${L.label_turbo_mode}</div>
                        </div>

                        <div class="pk-custom-select" id="cs_thumb_scope" style="position:relative;">
                            <div class="pk-select-label">${L.label_privacy_mode}</div>
                            <input type="hidden" id="set_thumb_scope" value="${curBlurScope}">
                            <div class="pk-select-trigger" style="padding:0 12px; font-weight:400; transition:border-color 0.2s, background-color 0.2s;">
                                <span style="display:flex; align-items:center; justify-content:space-between; width:100%; gap:12px; min-width:0;">
                                    <span style="min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-size:14px; font-weight:400; color:var(--pk-fg); user-select:none;">${L.label_blur_cover}</span>
                                    <span id="txt_thumb_scope" style="flex-shrink:0; color:var(--pk-fg); opacity:0.92; font-size:14px; font-weight:500;">
                                        ${curBlurScope === 'off' ? L.opt_privacy_off : curBlurScope === 'list' ? L.opt_privacy_list : curBlurScope === 'grid' ? L.opt_privacy_grid : L.opt_privacy_both}
                                    </span>
                                </span>
                                <div style="display:flex; color:#999; margin-left:8px;">${CONF.crumbIcons.down}</div>
                            </div>
                            <div class="pk-select-menu">
                                <div class="pk-select-item ${curBlurScope === 'off' ? 'act' : ''}" data-val="off">${L.opt_privacy_off}</div>
                                <div class="pk-select-item ${curBlurScope === 'list' ? 'act' : ''}" data-val="list">${L.opt_privacy_list}</div>
                                <div class="pk-select-item ${curBlurScope === 'grid' ? 'act' : ''}" data-val="grid">${L.opt_privacy_grid}</div>
                                <div class="pk-select-item ${curBlurScope === 'both' ? 'act' : ''}" data-val="both">${L.opt_privacy_both}</div>
                            </div>
                        </div>

                        <div style="position:relative;">
                            <label for="set_skip_bl"
                                   onmouseover="this.style.borderColor='var(--pk-pri)'"
                                   onmouseout="this.style.borderColor='var(--pk-bd)'"
                                   style="display:flex; align-items:center; justify-content:space-between; height:44px; border:2px solid var(--pk-bd); border-radius:8px; padding:0 12px; cursor:pointer; background:var(--pk-bg); transition:border-color 0.2s; box-sizing:border-box;">
                                <span style="font-size:14px; color:var(--pk-fg);user-select:none;">${L.lbl_skip_bl_on_del}</span>
                                <input type="checkbox" id="set_skip_bl" ${gmGet('pk_skip_bl_on_del', true)?'checked':''} style="width:18px; height:18px; accent-color:var(--pk-pri); cursor:pointer;">
                            </label>
                            <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; pointer-events:none; line-height:1;">${L.title_blacklist}</div>
                        </div>

                        <div style="position:relative;">
                            <label for="set_clipboard_magnet_focus"
                                   onmouseover="this.style.borderColor='var(--pk-pri)'"
                                   onmouseout="this.style.borderColor='var(--pk-bd)'"
                                   style="display:flex; align-items:center; justify-content:space-between; height:44px; border:2px solid var(--pk-bd); border-radius:8px; padding:0 12px; cursor:pointer; background:var(--pk-bg); transition:border-color 0.2s; box-sizing:border-box;">
                                <span style="font-size:14px; color:var(--pk-fg);user-select:none;">${L.desc_clipboard_magnet_focus}</span>
                                <input type="checkbox" id="set_clipboard_magnet_focus" ${gmGet('pk_clipboard_magnet_focus', false)?'checked':''} style="width:18px; height:18px; accent-color:var(--pk-pri); cursor:pointer;">
                            </label>
                            <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; pointer-events:none; line-height:1;">${L.label_clipboard_magnet_focus}</div>
                        </div>

                        <div style="position:relative;">
                            <label for="set_keep_pos"
                                   onmouseover="this.style.borderColor='var(--pk-pri)'"
                                   onmouseout="this.style.borderColor='var(--pk-bd)'"
                                   style="display:flex; align-items:center; justify-content:space-between; height:44px; border:2px solid var(--pk-bd); border-radius:8px; padding:0 12px; cursor:pointer; background:var(--pk-bg); transition:border-color 0.2s; box-sizing:border-box;">
                                <span style="font-size:14px; color:var(--pk-fg);user-select:none;">${L.label_keep_pos}</span>
                                <input type="checkbox" id="set_keep_pos" ${gmGet('pk_keep_pos', true)?'checked':''} style="width:18px; height:18px; accent-color:var(--pk-pri); cursor:pointer;">
                            </label>
                            <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; pointer-events:none; line-height:1;">${L.lbl_browse_exp}</div>
                        </div>

                            <div onmouseover="this.style.borderColor='var(--pk-pri)'"
                                onmouseout="this.style.borderColor='var(--pk-bd)'"
                                style="position:relative; padding:15px; border:2px solid var(--pk-bd); border-radius:8px; transition:border-color 0.2s; cursor:default; transform: translateZ(0);">
                                <div class="pk-select-label">${L.label_sort_pref}</div>

                                <div style="display:flex; flex-direction:column; gap:15px;">
                                    <label style="display:flex; align-items:flex-start; gap:10px; cursor:pointer;">
                                        <input type="radio" name="set_sort_pref" value="indep" ${gmGet('pk_sort_independent', false)?'checked':''} style="margin-top:4px; accent-color:var(--pk-pri);">
                                        <div>
                                            <div style="font-size:14px; color:var(--pk-fg); font-weight:500; line-height:1.4;">${L.opt_sort_indep}</div>
                                            <div style="font-size:12px; color:#888; margin-top:2px;">${L.desc_sort_indep}</div>
                                        </div>
                                    </label>
                                    <label style="display:flex; align-items:flex-start; gap:10px; cursor:pointer;">
                                        <input type="radio" name="set_sort_pref" value="global" ${!gmGet('pk_sort_independent', false)?'checked':''} style="margin-top:4px; accent-color:var(--pk-pri);">
                                        <div>
                                            <div style="font-size:14px; color:var(--pk-fg); font-weight:500; line-height:1.4;">${L.opt_sort_global}</div>
                                            <div style="font-size:12px; color:#888; margin-top:2px;">${L.desc_sort_global}</div>
                                        </div>
                                    </label>
                                </div>
                            </div>

                            <div onmouseover="this.style.borderColor='var(--pk-pri)'"
                                onmouseout="this.style.borderColor='var(--pk-bd)'"
                                style="position:relative; padding:15px; border:2px solid var(--pk-bd); border-radius:8px; transition:border-color 0.2s; cursor:default; transform: translateZ(0);">
                                <div class="pk-select-label">${L.label_view_pref}</div>

                                <div style="display:flex; flex-direction:column; gap:15px;">
                                    <label style="display:flex; align-items:flex-start; gap:10px; cursor:pointer;">
                                        <input type="radio" name="set_view_pref" value="indep" ${gmGet('pk_view_independent', false)?'checked':''} style="margin-top:4px; accent-color:var(--pk-pri);">
                                        <div>
                                            <div style="font-size:14px; color:var(--pk-fg); font-weight:500; line-height:1.4;">${L.opt_view_indep}</div>
                                            <div style="font-size:12px; color:#888; margin-top:2px;">${L.desc_view_indep}</div>
                                        </div>
                                    </label>
                                    <label style="display:flex; align-items:flex-start; gap:10px; cursor:pointer;">
                                        <input type="radio" name="set_view_pref" value="global" ${!gmGet('pk_view_independent', false)?'checked':''} style="margin-top:4px; accent-color:var(--pk-pri);">
                                        <div>
                                            <div style="font-size:14px; color:var(--pk-fg); font-weight:500; line-height:1.4;">${L.opt_view_global}</div>
                                            <div style="font-size:12px; color:#888; margin-top:2px;">${L.desc_view_global}</div>
                                        </div>
                                    </label>
                                </div>
                            </div>

                            <div style="position:relative;">
                                <label for="set_comic_mode"
                                   onmouseover="this.style.borderColor='var(--pk-pri)'"
                                   onmouseout="this.style.borderColor='var(--pk-bd)'"
                                   style="display:flex; align-items:center; justify-content:space-between; height:44px; border:2px solid var(--pk-bd); border-radius:8px; padding:0 12px; cursor:pointer; background:var(--pk-bg); transition:border-color 0.2s; box-sizing:border-box;">
                                <span style="font-size:14px; color:var(--pk-fg); user-select:none;">${L.desc_comic_mode}</span>
                                <input type="checkbox" id="set_comic_mode" ${gmGet('pk_comic_mode', true)?'checked':''} style="width:18px; height:18px; accent-color:var(--pk-pri); cursor:pointer;">
                            </label>
                            <div style="position:absolute; top:0; transform:translateY(-50%); left:10px; background:var(--pk-bg); padding:0 5px; font-size:11px; color:var(--pk-pri); font-weight:bold; pointer-events:none; line-height:1;">${L.label_comic_mode}</div>
                        </div>

                        <div class="pk-custom-select" id="cs_set_engine">
                            <div class="pk-select-label">${L.label_search_engine}</div>
                            <div class="pk-select-trigger"><span id="txt_set_engine"></span>${CONF.crumbIcons.down}</div>
                            <div class="pk-select-menu pk-scroll">
                                <div class="pk-select-item" data-val="google">${L.opt_engine_google}</div>
                                <div class="pk-select-item" data-val="yandex">${L.opt_engine_yandex}</div>
                                <div class="pk-select-item" data-val="saucenao">${L.opt_engine_saucenao}</div>
                                <div class="pk-select-item" data-val="tracemoe">${L.opt_engine_tracemoe}</div>
                            </div>
                        </div>

                        <div id="pk_dl_group" style="position:relative; padding:25px 15px 15px 15px; border:2px solid var(--pk-bd); border-radius:8px; transition:border-color 0.2s;">
                            <div class="pk-select-label">${L.lbl_dl_filter}</div>
                            <div style="display:flex; flex-direction:column; gap:15px;">
                                <div style="display:flex; align-items:center; gap:10px; width:100%;">
                                    <div style="flex:1; position:relative;">
                                        <style>#set_dl_filter_size_min::-webkit-inner-spin-button, #set_dl_filter_size_min::-webkit-outer-spin-button, #set_dl_filter_size_max::-webkit-inner-spin-button, #set_dl_filter_size_max::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }</style>
                                        <input type="number" id="set_dl_filter_size_min" value="${gmGet('pk_dl_filter_size_min', '')}" placeholder="0" min="0" step="1"
                                               style="width:100%; height:42px; padding:0 30px 0 12px; border:2px solid var(--pk-bd); border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:16px; font-weight:700; outline:none; transition:border-color 0.2s; box-sizing:border-box; font-family:monospace; -moz-appearance:textfield;">
                                        <div style="${labelStyle}">${L.lbl_ana_min}</div>
                                        <div class="pk-num-ctrl">
                                            <div class="pk-num-btn" id="dl_size_inc_min">${CONF.crumbIcons.down.replace('points="6 9 12 15 18 9"', 'points="18 15 12 9 6 15"')}</div>
                                            <div class="pk-num-btn" id="dl_size_dec_min">${CONF.crumbIcons.down}</div>
                                        </div>
                                    </div>
                                    <div style="color:#888; font-weight:bold; flex-shrink:0;">-</div>
                                    <div style="flex:1; position:relative;">
                                        <input type="number" id="set_dl_filter_size_max" value="${gmGet('pk_dl_filter_size_max', '')}" min="0" step="1" placeholder="∞"
                                               style="width:100%; height:42px; padding:0 30px 0 12px; border:2px solid var(--pk-bd); border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:16px; font-weight:700; outline:none; transition:border-color 0.2s; box-sizing:border-box; font-family:monospace; -moz-appearance:textfield;">
                                        <div style="${labelStyle}">${L.lbl_ana_max}</div>
                                        <div class="pk-num-ctrl">
                                            <div class="pk-num-btn" id="dl_size_inc_max">${CONF.crumbIcons.down.replace('points="6 9 12 15 18 9"', 'points="18 15 12 9 6 15"')}</div>
                                            <div class="pk-num-btn" id="dl_size_dec_max">${CONF.crumbIcons.down}</div>
                                        </div>
                                    </div>
                                    <div class="pk-custom-select" id="cs_set_dl_size_unit" style="margin-top:0; width:80px; flex-shrink:0;">
                                        <div class="pk-select-trigger" style="height:42px;"><span id="txt_set_dl_size_unit"></span>${CONF.crumbIcons.down}</div>
                                        <div class="pk-select-menu pk-scroll">
                                            <div class="pk-select-item" data-val="MB">MB</div>
                                            <div class="pk-select-item" data-val="GB">GB</div>
                                            <div class="pk-select-item" data-val="TB">TB</div>
                                        </div>
                                    </div>
                                </div>
                                <div style="position:relative;">
                                    <textarea id="set_dl_filter_ext" placeholder=".txt, .nfo" style="${areaStyle}">${esc(gmGet('pk_dl_filter_ext', ''))}</textarea>
                                    <div style="${labelStyle}">${L.label_dl_filter_ext}</div>
                                </div>
                                <div style="position:relative;">
                                    <textarea id="set_dl_filter_name" placeholder="ReadMe1, ReadMe2" style="${areaStyle}">${esc(gmGet('pk_dl_filter_name', ''))}</textarea>
                                    <div style="${labelStyle}">${L.label_dl_filter_name}</div>
                                </div>
                                <div style="font-size:11px; color:#888;">${L.desc_dl_filter}</div>
                            </div>
                        </div>

                        <div style="position:relative; transform: translateZ(0);">
                            <div style="position:relative;">
                                <input type="text" id="set_aria_url" value="${esc(curAriaUrl)}" placeholder="http://localhost:6800/jsonrpc"
                                       autocomplete="off" spellcheck="false" readonly onfocus="this.removeAttribute('readonly');"
                                       oninput="this.style.borderColor = this.value.trim() ? 'var(--pk-pri)' : 'var(--pk-bd)'"
                                       style="width:100%; height:44px; padding:0 70px 0 12px; border:2px solid ${curAriaUrl ? 'var(--pk-pri)' : 'var(--pk-bd)'}; border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:14px; font-weight:600; outline:none; transition:border-color 0.2s; box-sizing:border-box; transform: translateZ(0);">
                                <div class="pk-select-label">${L.label_aria2_url}</div>
                                <div id="btn_aria_default" style="position:absolute; right:10px; top:50%; transform:translateY(-50%); font-size:11px; color:var(--pk-pri); cursor:pointer; font-weight:bold; padding:4px 8px; border-radius:4px; background:rgba(0,103,192,0.1); border:1px solid rgba(0,103,192,0.2);" onmouseover="this.style.background='rgba(0,103,192,0.2)'" onmouseout="this.style.background='rgba(0,103,192,0.1)'">${L.btn_default}</div>
                            </div>
                            <div class="pk-aria-status-box" id="aria_test_res" style="margin-top: 8px;">
                                <div class="pk-aria-dot" id="aria_test_dot"></div>
                                <span id="aria_test_txt" style="color:#888; font-size: 11px;">${L.lbl_aria2_status}</span>
                            </div>
                        </div>

                        <div style="position:relative; transform: translateZ(0); -webkit-transform: translateZ(0);">
                            <input type="text" id="set_aria_token" value="${esc(curAriaToken)}" placeholder="${L.ph_aria2_secret}"
                                   autocomplete="off" spellcheck="false" data-lpignore="true" readonly onfocus="this.removeAttribute('readonly');"
                                   oninput="this.style.borderColor = this.value.trim() ? 'var(--pk-pri)' : 'var(--pk-bd)'"
                                   style="width:100%; height:44px; padding:0 48px 0 12px; border:2px solid ${curAriaToken ? 'var(--pk-pri)' : 'var(--pk-bd)'}; border-radius:8px; background:var(--pk-bg); color:var(--pk-fg); font-size:14px; font-weight:600; outline:none; transition:border-color 0.2s; box-sizing:border-box; -webkit-text-security: disc; transform: translateZ(0);">
                            <button type="button" id="btn_aria_token_eye" class="pk-token-eye">${CONF.icons.eye}</button>
                            <div class="pk-select-label">${L.label_aria2_token}</div>
                        </div>

                        <div style="position:relative; padding:20px 15px 15px 15px; border:2px solid var(--pk-bd); border-radius:8px; transition:border-color 0.2s; transform:translateZ(0); backface-visibility:hidden;" onmouseover="this.style.borderColor='var(--pk-pri)'" onmouseout="this.style.borderColor='var(--pk-bd)'">
                            <div class="pk-select-label" style="transform:translateY(-50.5%);">${L.lbl_pwd_manage}</div>
                            <div id="btn_open_vault" style="display:flex; align-items:center; justify-content:center; gap:10px; height:44px; background:var(--pk-hl); border-radius:8px; cursor:pointer; transition:all 0.2s; color:var(--pk-fg); transform:translateZ(0);" onmouseover="this.style.background='var(--pk-sel-bg)'; this.style.color='var(--pk-pri)'" onmouseout="this.style.background='var(--pk-hl)'; this.style.color='var(--pk-fg)'">
                                <span style="width:20px;height:20px;display:flex;align-items:center;justify-content:center;color:var(--pk-pri);">${CONF.icons.vault.replace('width="16"','width="20"').replace('height="16"','width="20"')}</span>
                                <span style="font-size:14px; font-weight:700;">${L.title_pwd_vault}</span>
                            </div>
                        </div>

                        <div style="position:relative; padding:20px 15px 15px 15px; border:2px solid var(--pk-bd); border-radius:8px; display:flex; flex-direction:column; gap:12px; transition:border-color 0.2s; transform:translateZ(0);" onmouseover="this.style.borderColor='var(--pk-pri)'" onmouseout="this.style.borderColor='var(--pk-bd)'">
                            <div class="pk-select-label" style="transform:translateY(-50.5%);">${L.lbl_config_manage}</div>

                            <button class="pk-btn" id="btn_cfg_clean" style="background:transparent; border:1px solid #d93025; color:#d93025; height:36px; border-radius:6px; font-weight:600; width:100%; display:flex; align-items:center; justify-content:center;">
                                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" style="margin-right:6px; flex-shrink:0;"><path d="M3 6h18"/><path d="M19 6v14c0 1-1 2-2 2H7c-1 0-2-1-2-2V6"/><path d="M8 6V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/><line x1="10" y1="11" x2="10" y2="17"/><line x1="14" y1="11" x2="14" y2="17"/></svg>
                                <div style="display:flex; align-items:baseline;">
                                    <span style="display:inline !important; font-size:13px; font-weight:600;">${L.btn_clean_data}</span>
                                    <span style="display:inline !important; font-size:13px; font-weight:600; margin-left:6px; opacity:0.8;">( ${storageDisplay} )</span>
                                </div>
                            </button>

                            <div style="display:grid; grid-template-columns: 1fr 1fr; gap:12px;">
                                <button class="pk-btn" id="btn_cfg_export" style="background:var(--pk-hl); border:1px solid var(--pk-bd); height:36px; border-radius:6px; font-weight:600;">
                                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" style="margin-right:4px;"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
                                    ${L.btn_export_data}
                                </button>
                                <button class="pk-btn" id="btn_cfg_import" style="background:var(--pk-hl); border:1px solid var(--pk-bd); height:36px; border-radius:6px; font-weight:600;">
                                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" style="margin-right:4px;"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="17 8 12 3 7 8"/><line x1="12" y1="3" x2="12" y2="15"/></svg>
                                    ${L.btn_import_data}
                                </button>
                            </div>
                            <input type="file" id="cfg_import_input" accept=".json" style="display:none;">
                        </div>

                        </div>
                </div>

                <div style="padding: 20px 30px 30px 30px; flex-shrink:0; background:var(--pk-bg); border-top:1px solid var(--pk-bd);">
                    <div class="pk-modal-act" style="display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 0;">
                        <button class="pk-btn" id="set_cancel" style="height:44px; border-radius:10px; justify-content:center; background:transparent; font-weight:600; font-size:15px;">${L.btn_cancel}</button>
                        <button class="pk-btn pri" id="set_save" style="height:44px; border-radius:10px; background:var(--pk-pri); color:#fff; font-weight:bold; justify-content:center; border:none; font-size:15px;">${L.btn_save}</button>
                    </div>
                </div>
            </div>
        `);

        const modalBox = m.querySelector('.pk-modal');
        if (modalBox) {
            Object.assign(modalBox.style, { width: 'auto', padding: '0', overflow: 'hidden', height: 'auto', minHeight: 'auto' });
            const closeBtn = m.querySelector('.pk-modal-close');
            if (closeBtn) Object.assign(closeBtn.style, { top: '26px', right: '26px' });
        }

        const bindSelect = (id, currentVal, onSelect) => {
            const container = m.querySelector(`#${id}`);
            const trigger = container.querySelector('.pk-select-trigger');
            const menu = container.querySelector('.pk-select-menu');
            const txt = container.querySelector('span');
            const items = container.querySelectorAll('.pk-select-item');

            items.forEach(item => {
                if (item.dataset.val === currentVal) {
                    item.classList.add('act');
                    txt.textContent = item.textContent;
                }
                item.onclick = (e) => {
                    e.stopPropagation();
                    items.forEach(i => i.classList.remove('act'));
                    item.classList.add('act');
                    txt.textContent = item.textContent;
                    menu.style.display = 'none';
                    onSelect(item.dataset.val);
                };
            });

            trigger.onclick = (e) => {
                e.stopPropagation();
                m.querySelectorAll('.pk-select-menu').forEach(om => { if(om !== menu) om.style.display = 'none'; });
                menu.style.display = menu.style.display === 'block' ? 'none' : 'block';
            };
        };

        bindSelect('cs_set_lang', curLang, (val) => { selectedLang = val; });
        bindSelect('cs_set_engine', curEngine, (val) => { selectedEngine = val; });

        const ariaInp = m.querySelector('#set_aria_url');
        const ariaTok = m.querySelector('#set_aria_token');
        const ariaEye = m.querySelector('#btn_aria_token_eye');
        const ariaDot = m.querySelector('#aria_test_dot');
        const ariaTxt = m.querySelector('#aria_test_txt');
        const ariaBox = m.querySelector('#aria_test_res');
        let ariaTimer = null;
        let ariaTokenVisible = false;

        const runAriaTest = async () => {
            const url = ariaInp.value.trim();
            const token = ariaTok.value.trim();
            const showTip = () => showAlert(L.tip_mixed_content, L.lbl_aria2_status);

            if (!url) {
                ariaDot.className = 'pk-aria-dot';
                ariaTxt.textContent = L.lbl_aria2_status;
                ariaBox.onclick = showTip;
                ariaBox.style.cursor = 'pointer';
                return;
            }

            ariaDot.className = 'pk-aria-dot wait';
            ariaTxt.textContent = L.str_connecting;
            ariaBox.onclick = showTip;
            ariaBox.style.cursor = 'pointer';

            const testUrl = normalizeAriaRpcUrl(url);
            const payload = { jsonrpc: '2.0', method: 'aria2.getVersion', id: 'pk_live_test', params: buildAriaRpcParams(token) };

            try {
                await aria2RpcRequest(testUrl, payload, 3000);
                ariaDot.className = 'pk-aria-dot ok';
                ariaTxt.textContent = L.str_connected;
                ariaBox.onclick = null;
                ariaBox.style.cursor = 'default';
            } catch (e) {
                ariaDot.className = 'pk-aria-dot err';
                ariaTxt.textContent = L.str_conn_fail;
                ariaBox.onclick = showTip;
                ariaBox.style.cursor = 'pointer';
            }
        };

        const debouncedTest = () => {
            clearTimeout(ariaTimer);
            ariaTimer = setTimeout(runAriaTest, 600);
        };

        ariaInp.oninput = (e) => {
            if (e.target.oninput) e.target.style.borderColor = e.target.value.trim() ? 'var(--pk-pri)' : 'var(--pk-bd)';
            debouncedTest();
        };
        ariaTok.oninput = (e) => {
            if (e.target.oninput) e.target.style.borderColor = e.target.value.trim() ? 'var(--pk-pri)' : 'var(--pk-bd)';
            debouncedTest();
        };
        if (ariaEye) {
            ariaEye.onclick = (e) => {
                e.preventDefault();
                e.stopPropagation();
                ariaTokenVisible = !ariaTokenVisible;
                ariaTok.style.webkitTextSecurity = ariaTokenVisible ? 'none' : 'disc';
                ariaEye.innerHTML = ariaTokenVisible ? CONF.icons.eyeOff : CONF.icons.eye;
            };
        }
        m.querySelector('#btn_aria_default').onclick = () => {
            ariaInp.value = 'http://localhost:6800/jsonrpc';
            ariaInp.style.borderColor = 'var(--pk-pri)';
            debouncedTest();
        };

        setTimeout(runAriaTest, 200);

        const clickAway = () => m.querySelectorAll('.pk-select-menu').forEach(menu => menu.style.display = 'none');
        setTimeout(() => document.addEventListener('click', clickAway), 0);

        const _orgRemove = m.remove.bind(m);
        m.remove = () => {
            document.removeEventListener('click', clickAway);
            _orgRemove();
        };

        const extInp = m.querySelector('#set_dl_filter_ext');
        const nameInp = m.querySelector('#set_dl_filter_name');
        const sizeMinInp = m.querySelector('#set_dl_filter_size_min');
        const sizeMaxInp = m.querySelector('#set_dl_filter_size_max');
        const groupEl = m.querySelector('#pk_dl_group');
        const updateDlBorders = () => {
            const hasE = extInp.value.trim() !== '';
            const hasN = nameInp.value.trim() !== '';
            const hasSMin = sizeMinInp.value.trim() !== '';
            const hasSMax = sizeMaxInp.value.trim() !== '';
            extInp.classList.toggle('pk-active-border', hasE);
            nameInp.classList.toggle('pk-active-border', hasN);
            sizeMinInp.classList.toggle('pk-active-border', hasSMin);
            sizeMaxInp.classList.toggle('pk-active-border', hasSMax);
            groupEl.classList.toggle('pk-typing-active', hasE || hasN || hasSMin || hasSMax);
        };
        extInp.oninput = nameInp.oninput = sizeMinInp.oninput = sizeMaxInp.oninput = updateDlBorders;
        updateDlBorders();

        const curDlSizeUnit = gmGet('pk_dl_filter_size_unit', 'MB');
        bindSelect('cs_set_dl_size_unit', curDlSizeUnit, (val) => {});

        m.querySelector('#dl_size_dec_min').onclick = (ev) => {
            ev.preventDefault(); ev.stopPropagation();
            let v = Math.floor(Number(sizeMinInp.value)) || 0;
            if (v > 0) sizeMinInp.value = v - 1;
            ensureDlSizeRange();
            updateDlBorders();
        };
        m.querySelector('#dl_size_inc_min').onclick = (ev) => {
            ev.preventDefault(); ev.stopPropagation();
            let v = Math.floor(Number(sizeMinInp.value)) || 0;
            sizeMinInp.value = v + 1;
            ensureDlSizeRange();
            updateDlBorders();
        };
        m.querySelector('#dl_size_dec_max').onclick = (ev) => {
            ev.preventDefault(); ev.stopPropagation();
            let v = Math.floor(Number(sizeMaxInp.value)) || 0;
            if (v > 0) sizeMaxInp.value = v - 1;
            ensureDlSizeRange();
            updateDlBorders();
        };
        m.querySelector('#dl_size_inc_max').onclick = (ev) => {
            ev.preventDefault(); ev.stopPropagation();
            let v = Math.floor(Number(sizeMaxInp.value)) || 0;
            sizeMaxInp.value = v + 1;
            ensureDlSizeRange();
            updateDlBorders();
        };

        const ensureDlSizeRange = () => {
            let minVal = sizeMinInp.value.trim() === '' ? -1 : Math.floor(Number(sizeMinInp.value));
            let maxVal = sizeMaxInp.value.trim() === '' ? -1 : Math.floor(Number(sizeMaxInp.value));

            if (minVal >= 0 && maxVal >= 0 && minVal > maxVal) {
                if (document.activeElement === sizeMinInp) {
                    sizeMaxInp.value = minVal;
                } else if (document.activeElement === sizeMaxInp) {
                    sizeMinInp.value = maxVal;
                } else {
                    sizeMaxInp.value = minVal;
                }
            }
        };
        sizeMinInp.addEventListener('blur', ensureDlSizeRange);
        sizeMaxInp.addEventListener('blur', ensureDlSizeRange);
        sizeMinInp.addEventListener('change', ensureDlSizeRange);
        sizeMaxInp.addEventListener('change', ensureDlSizeRange);

        m.querySelector('#btn_open_vault').onclick = (e) => {
            e.stopPropagation();
            const subM = document.createElement('div');
            subM.className = 'pk-modal-ov';
            subM.style.zIndex = (++modalZIndexCounter).toString();
            if (document.querySelector('.pk-ov').classList.contains('pk-dark')) subM.classList.add('pk-dark');

            const savedCount = gmGet('pk_pwd_try_count', 10);
            const savedPwds = (() => { try { return JSON.parse(gmGet('pk_pwd_vault', '[]')).map(x => typeof x === 'object' ? x.p : x).join('\n'); } catch { return ''; } })();

            subM.innerHTML = `
                <style>#vault_cnt_val::-webkit-outer-spin-button, #vault_cnt_val::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; } .pk-dark .pk-sub-ctrl-btn:hover { background: #444 !important; }</style>
                <div class="pk-modal" style="width:380px; padding:24px; border-radius:12px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); background:var(--pk-bg); border:1px solid var(--pk-bd);">
                    <div class="pk-modal-close" style="top:26px; right:24px; color:var(--pk-icon-c); opacity:0.7;">${CONF.icons.close}</div>
                    <h3 style="border:none; margin:0 0 10px 0; font-size:17px; font-weight:700; color:var(--pk-fg); display:flex; align-items:center; gap:10px;">
                        <span style="width:20px;height:20px;display:flex;align-items:center;justify-content:center;color:var(--pk-pri);">${CONF.icons.vault.replace('width="16"','width="22"').replace('height="16"','width="22"')}</span>
                        ${L.title_pwd_vault}
                    </h3>

                    <div style="display:flex; align-items:center; justify-content:space-between; margin-bottom:4px;">
                        <span style="font-size:14px; color:var(--pk-fg); font-weight:600; opacity:0.9;">${L.lbl_pwd_try_count}</span>
                        <div class="pk-sub-ctrl" style="width:110px; height:34px; display:flex; align-items:center; border:1.5px solid var(--pk-bd); border-radius:6px; overflow:hidden; background:var(--pk-hl);">
                            <div class="pk-sub-ctrl-btn" id="vault_cnt_dec" style="width:32px; height:100%; display:flex; align-items:center; justify-content:center; cursor:pointer; color:var(--pk-fg); font-weight:bold; border-right:1px solid var(--pk-bd); transition:background 0.2s;">－</div>
                            <input type="number" id="vault_cnt_val" value="${savedCount}" min="10" max="50" style="flex:1; width:30px; height:100%; text-align:center; border:none; background:transparent; color:var(--pk-fg); outline:none; font-size:15px; font-weight:700; font-family:inherit; -moz-appearance:textfield;">

                            <div class="pk-sub-ctrl-btn" id="vault_cnt_inc" style="width:32px; height:100%; display:flex; align-items:center; justify-content:center; cursor:pointer; color:var(--pk-fg); font-weight:bold; border-left:1px solid var(--pk-bd); transition:background 0.2s;">＋</div>
                        </div>
                    </div>
                    <div style="font-size:12px; color:#888; margin-bottom:8px; padding-left:2px;">${L.tip_pwd_manual}</div>

                    <div style="display:flex; flex-direction:column; gap:8px; position:relative;">
                        <textarea id="vault_pwd_area" placeholder="" spellcheck="false" wrap="off"
                                style="width:100%; height:242px; padding:0 15px; border:2px solid var(--pk-bd); border-radius:8px; background-color:var(--pk-hl); background-image:linear-gradient(to right, var(--pk-hl) 4px, transparent 4px), linear-gradient(to bottom, transparent 31px, var(--pk-v-line) 31px); background-size:8px 32px, 100% 32px; background-attachment:local; color:var(--pk-fg); font-size:13px; font-family:inherit; line-height:32px; resize:none; outline:none; box-sizing:border-box; white-space:pre; transition:border-color 0.2s, box-shadow 0.2s; overflow-y:auto; cursor:auto;"></textarea>
                    </div>

                    <div class="pk-modal-act" style="display:flex; justify-content:flex-end; align-items:center; margin-top:28px; gap:20px; border-top:1px solid var(--pk-bd); padding-top:20px;">
                        <span id="vault_cancel" style="cursor:pointer; color:var(--pk-icon-c); font-size:14px; font-weight:600; transition:color 0.2s;" onmouseover="this.style.color='var(--pk-fg)'" onmouseout="this.style.color='var(--pk-icon-c)'">${L.btn_cancel}</span>
                        <button class="pk-btn pri" id="vault_save"
                                style="height:40px; padding:0 30px; border-radius:8px; background:var(--pk-pri); border:none; color:#fff; font-weight:bold; font-size:14px; box-shadow:0 4px 12px rgba(0,0,0,0.2); transition:transform 0.1s, filter 0.2s;">${L.btn_save}</button>
                    </div>
                </div>
            `;
            document.body.appendChild(subM);

            const cntInp = subM.querySelector('#vault_cnt_val');
            subM.querySelector('#vault_cnt_dec').onclick = (ev) => {
                ev.preventDefault(); ev.stopPropagation();
                let v = Math.floor(Number(cntInp.value)) || 10;
                cntInp.value = Math.max(10, v - 1);
            };
            subM.querySelector('#vault_cnt_inc').onclick = (ev) => {
                ev.preventDefault(); ev.stopPropagation();
                let v = Math.floor(Number(cntInp.value)) || 0;
                cntInp.value = Math.min(50, v + 1);
            };

            cntInp.oninput = () => {
                let raw = cntInp.value;
                if (raw === "") return;
                let v = parseInt(raw);
                if (isNaN(v)) { cntInp.value = 10; return; }
                if (v > 50) cntInp.value = 50;
            };
            cntInp.onblur = () => {
                let v = parseInt(cntInp.value);
                if (isNaN(v) || v < 10) cntInp.value = 10;
            };
            const area = subM.querySelector('#vault_pwd_area');
            area.onfocus = () => area.style.borderColor = 'var(--pk-pri)';
            area.onblur = () => area.style.borderColor = 'var(--pk-bd)';
            area.value = savedPwds;
            area.oninput = () => {
                let lines = area.value.split('\n');
                let changed = false;
                let msg = "";
                if (lines.length > 50) {
                    lines = lines.slice(0, 50);
                    changed = true;
                    msg = L.err_vault_max;
                }
                for (let i = 0; i < lines.length; i++) {
                    if (lines[i].length > 127) {
                        lines[i] = lines[i].substring(0, 127);
                        changed = true;
                        msg = L.err_pwd_len;
                    }
                }
                if (changed) {
                    const cursor = area.selectionStart;
                    area.value = lines.join('\n');
                    area.setSelectionRange(cursor, cursor);
                    showToast(msg, 'error');
                    area.style.borderColor = '#d93025';
                    setTimeout(() => { if(area) area.style.borderColor = 'var(--pk-pri)'; }, 1000);
                }
            };

            const doSave = () => {
                let cnt = Math.floor(Number(cntInp.value));
                if (isNaN(cnt) || cnt < 10) cnt = 10;
                if (cnt > 50) cnt = 50;

                const inputPwds = area.value.split('\n').map(s => s.trim()).filter(s => s);
                if (inputPwds.length > 50) {
                    showToast(L.err_vault_max, 'error');
                    area.style.borderColor = '#d93025';
                    return;
                }

                try {
                    const oldList = JSON.parse(gmGet('pk_pwd_vault', '[]')).map(x => typeof x === 'object' ? x : {p: x, h: 0});
                    const hitMap = new Map(oldList.map(x => [x.p, x.h]));
                    const newList = [...new Set(inputPwds)].map(p => ({ p: p, h: hitMap.get(p) || 0 }));
                    newList.sort((a, b) => b.h - a.h);

                    gmSet('pk_pwd_try_count', cnt);
                    gmSet('pk_pwd_vault', JSON.stringify(newList));
                } catch(e) {
                    gmSet('pk_pwd_vault', JSON.stringify([...new Set(inputPwds)]));
                }

                subM.remove();
                showToast(L.msg_settings_saved);
            };

            subM.querySelector('#vault_save').onclick = doSave;
            subM.querySelector('#vault_cancel').onclick = () => subM.remove();
            subM.querySelector('.pk-modal-close').onclick = () => subM.remove();
        };

        m.querySelector('#btn_cfg_clean').onclick = async () => {
            const keys = typeof GM_listValues !== 'undefined' ? GM_listValues() : Object.keys(localStorage);

            const sizes = { index: 0, pref: 0, rules: 0, vault: 0, history: 0, cache: 0 };

            if (typeof globalCache !== 'undefined') {
                for (const [k, v] of globalCache.entries()) {
                    try { sizes.index += k.toString().length + JSON.stringify(v).length; } catch(e){}
                }
            }

            const getCat = (k) => {
                if (!k.startsWith('pk_')) return null;
                if (k.startsWith('pk_archive_pwd_') || k === 'pk_pwd_vault') return 'vault';
                if (k.startsWith('pk_progress_') || k.startsWith('pk_duration_')) return 'history';
                if (k.startsWith('pk_fmod_') || k === 'pk_captured_captcha') return 'cache';

                const ruleKeys =['pk_blacklist', 'pk_blacklist_folders', 'pk_aria2_url', 'pk_aria2_token', 'pk_dl_filter_ext', 'pk_dl_filter_name', 'pk_dl_filter_size_min', 'pk_dl_filter_size_max', 'pk_dl_filter_size_unit', 'pk_search_engine', 'pk_search_history', 'pk_expired_shares', 'pk_share_limits', 'pk_bn_find_hist', 'pk_bn_rep_hist'];
                if (ruleKeys.includes(k) || k.startsWith('pk_scan_last_') || k.startsWith('pk_analyze_last_') || k === 'pk_dup_strictness') return 'rules';

                return 'pref';
            };

            keys.forEach(k => {
                const cat = getCat(k);
                if (cat) {
                    const val = typeof GM_getValue !== 'undefined' ? GM_getValue(k) : localStorage.getItem(k);
                    sizes[cat] += (k.length + (val ? JSON.stringify(val).length : 0));
                }
            });

            const renderLbl = (cat, txt, isChecked = false, isMandatory = false) => {
                const sz = sizes[cat];
                if (sz === 0 && cat !== 'index') return '';
                const szStr = fmtSize(sz);
                const checkAttr = (isChecked || isMandatory) ? 'checked' : '';
                const disAttr = isMandatory ? 'disabled' : '';
                const cursor = isMandatory ? 'not-allowed' : 'pointer';
                const opacity = isMandatory ? '0.7' : '1';
                return `<label style="display:flex; align-items:flex-start; gap:12px; cursor:${cursor}; color:var(--pk-fg); font-size:14px; opacity:${opacity};">
                            <input type="checkbox" class="clean-opt" value="${cat}" ${checkAttr} ${disAttr} style="width:18px; height:18px; accent-color:#d93025; cursor:inherit; margin-top:2px;">
                            <div style="display:flex; flex-direction:column;">
                                <span>${txt}</span>
                                <span style="font-size:12px; color:#888; font-family:monospace; margin-top:2px;">${szStr}</span>
                            </div>
                        </label>`;
            };

            const htmlOptions =[
                renderLbl('index', L.opt_cfg_index, true, true),
                renderLbl('pref', L.opt_cfg_pref),
                renderLbl('rules', L.opt_cfg_rules),
                renderLbl('vault', L.opt_cfg_vault),
                renderLbl('history', L.opt_cfg_history),
                renderLbl('cache', L.opt_cfg_cache)
            ].filter(Boolean).join('');

            if (!htmlOptions) return;

            const cleanM = showModal(`
                <h3 style="border:none; margin-bottom:20px; font-size:18px; font-weight:700; color:var(--pk-fg);">${L.title_clean_data}</h3>
                <div style="display:flex; flex-direction:column; gap:16px; margin-bottom:25px;">
                    ${htmlOptions}
                </div>
                <div class="pk-modal-act">
                    <button class="pk-btn" id="clean_cancel">${L.btn_cancel}</button>
                    <button class="pk-btn pri pk-btn-danger" id="clean_confirm">${L.btn_del}</button>
                </div>
            `);
            cleanM.querySelector('#clean_cancel').onclick = () => cleanM.remove();
            cleanM.querySelector('#clean_confirm').onclick = async () => {
                const selected = Array.from(cleanM.querySelectorAll('.clean-opt:checked')).map(el => el.value);
                if (selected.length === 0) { cleanM.remove(); return; }
                if (!await showConfirm(L.msg_clean_confirm)) return;

                if (selected.includes('index')) {
                    if (typeof globalCache !== 'undefined') globalCache.clear();
                    if (typeof S !== 'undefined' && S.cache) S.cache.clear();
                    if (typeof globalLineageMap !== 'undefined') globalLineageMap.clear();
                    if (typeof globalParentIndex !== 'undefined') globalParentIndex.clear();
                    if (typeof scannedFolderIds !== 'undefined') scannedFolderIds.clear();
                }

                keys.forEach(k => {
                    const cat = getCat(k);
                    if (cat && selected.includes(cat)) {
                        try {
                            if (typeof GM_deleteValue !== 'undefined') {
                                GM_deleteValue(k);
                            } else if (typeof GM_setValue !== 'undefined') {
                                GM_setValue(k, '');
                            }
                            localStorage.removeItem(k);
                        } catch (e) {
                            console.warn("Delete config error:", e);
                        }
                    }
                });

                showToast(L.msg_clean_success);
                setTimeout(() => location.reload(), 1500);
            };
        };

        m.querySelector('#btn_cfg_export').onclick = () => {
            const gmKeys = typeof GM_listValues !== 'undefined' ? GM_listValues() : [];
            const lsKeys = Object.keys(localStorage).filter(k => typeof k === 'string' && k.startsWith('pk_'));
            const keys = Array.from(new Set([...(Array.isArray(gmKeys) ? gmKeys : []), ...lsKeys]));

            const config = {
                "_pk_metadata": {
                    "signature": "PIKPAK_ENHANCEMENT_MASTER",
                    "version": version,
                    "export_at": new Date().toISOString(),
                    "author": "digbug82",
                    "scope": "whitelist"
                }
            };

            const exportExactKeys = new Set([
                'pk_lang',
                'pk_theme',
                'pk_turbo_mode',
                'pk_file_view_mode',
                'pk_view_independent',
                'pk_folder_view_prefs',
                'pk_keep_pos',
                'pk_pos_left',
                'pk_pos_top',
                'pk_blur_thumb',
                'pk_blur_scope',
                'pk_comic_mode',
                'pk_clipboard_magnet_focus',
                'pk_sort_independent',
                'pk_folder_first',
                'pk_folder_sort_prefs',
                'pk_global_sort_pref',
                'pk_ext_player',
                'pk_play_mode',
                'pk_skip_intro',
                'pk_skip_outro',
                'pk_vol_muted',
                'pk_vol_level',
                'pk_suppress_global_warn',
                'pk_blacklist',
                'pk_blacklist_folders',
                'pk_aria2_url',
                'pk_aria2_token',
                'pk_dl_filter_ext',
                'pk_dl_filter_name',
                'pk_dl_filter_size_min',
                'pk_dl_filter_size_max',
                'pk_dl_filter_size_unit',
                'pk_search_engine',
                'pk_search_history',
                'pk_expired_shares',
                'pk_share_limits',
                'pk_bn_find_hist',
                'pk_bn_rep_hist',
                'pk_dup_strictness',
                'pk_skip_bl_on_del',
                'pk_pwd_vault',
                'pk_pwd_try_count'
            ]);

            const exportPrefixKeys = [
                'pk_scan_last_',
                'pk_analyze_last_',
                'pk_archive_pwd_',
                'pk_progress_',
                'pk_duration_'
            ];

            const isWhitelistedExportKey = (k) => exportExactKeys.has(k) || exportPrefixKeys.some(prefix => k.startsWith(prefix));

            const readStoredValue = (k) => {
                let v = typeof GM_getValue !== 'undefined' ? GM_getValue(k, null) : null;
                if ((v === null || v === undefined || v === '') && localStorage.getItem(k) !== null) v = localStorage.getItem(k);
                return v;
            };

            const pkKeys = keys.filter(k => isWhitelistedExportKey(k));

            const getCatWeight = (k) => {
                if (k.startsWith('pk_archive_pwd_') || k === 'pk_pwd_vault' || k === 'pk_pwd_try_count' || k === 'pk_share_limits') return 3;
                if (k.startsWith('pk_progress_') || k.startsWith('pk_duration_')) return 4;

                const ruleKeys = ['pk_blacklist', 'pk_blacklist_folders', 'pk_aria2_url', 'pk_aria2_token', 'pk_dl_filter_ext', 'pk_dl_filter_name', 'pk_dl_filter_size_min', 'pk_dl_filter_size_max', 'pk_dl_filter_size_unit', 'pk_search_engine', 'pk_search_history', 'pk_expired_shares', 'pk_share_limits', 'pk_bn_find_hist', 'pk_bn_rep_hist', 'pk_dup_strictness', 'pk_skip_bl_on_del', 'pk_clipboard_magnet_focus'];
                if (ruleKeys.includes(k) || k.startsWith('pk_scan_last_') || k.startsWith('pk_analyze_last_')) return 2;

                return 1;
            };

            pkKeys.sort((a, b) => {
                const wA = getCatWeight(a);
                const wB = getCatWeight(b);
                if (wA !== wB) return wA - wB;
                return a.localeCompare(b);
            });

            pkKeys.forEach(k => {
                const v = readStoredValue(k);
                if (v !== null && v !== undefined && v !== '') config[k] = v;
            });

            config._pk_metadata.exported_keys = pkKeys.length;

            const blob = new Blob([JSON.stringify(config, null, 2)], { type: 'application/json' });
            const url = URL.createObjectURL(blob);

            const domEl = document.querySelector('.name.ellipsis');
            let rawUserName = domEl ? (domEl.title || domEl.innerText) : 'Default';
            const userName = rawUserName.trim().replace(/[\\/:*?"<>|]/g, '_');

            const now = new Date();
            const dateStr = now.toISOString().slice(0, 10).replace(/-/g, '');
            const timeStr = now.getHours().toString().padStart(2, '0') + now.getMinutes().toString().padStart(2, '0');

            const fileName = `PKM_Backup_${userName}_${dateStr}_${timeStr}.json`;

            const a = document.createElement('a');
            a.href = url;
            a.download = fileName;
            a.click();
            URL.revokeObjectURL(url);
        };

        const fileInput = m.querySelector('#cfg_import_input');
        m.querySelector('#btn_cfg_import').onclick = () => fileInput.click();
        fileInput.onchange = async (e) => {
            const file = e.target.files[0];
            if (!file) return;
            if (!await showConfirm(L.msg_import_confirm)) { fileInput.value = ''; return; }

            const reader = new FileReader();
            reader.onload = (ev) => {
                try {
                    const config = JSON.parse(ev.target.result);

                    if (!config._pk_metadata || config._pk_metadata.signature !== "PIKPAK_ENHANCEMENT_MASTER") {
                        throw new Error("INVALID_SIGNATURE");
                    }

                    const importExactKeys = new Set([
                        'pk_lang',
                        'pk_theme',
                        'pk_turbo_mode',
                        'pk_file_view_mode',
                        'pk_view_independent',
                        'pk_folder_view_prefs',
                        'pk_keep_pos',
                        'pk_pos_left',
                        'pk_pos_top',
                        'pk_blur_thumb',
                        'pk_blur_scope',
                        'pk_comic_mode',
                        'pk_clipboard_magnet_focus',
                        'pk_sort_independent',
                        'pk_folder_first',
                        'pk_folder_sort_prefs',
                        'pk_global_sort_pref',
                        'pk_ext_player',
                        'pk_play_mode',
                        'pk_skip_intro',
                        'pk_skip_outro',
                        'pk_vol_muted',
                        'pk_vol_level',
                        'pk_suppress_global_warn',
                        'pk_blacklist',
                        'pk_blacklist_folders',
                        'pk_aria2_url',
                        'pk_aria2_token',
                        'pk_dl_filter_ext',
                        'pk_dl_filter_name',
                        'pk_dl_filter_size_min',
                        'pk_dl_filter_size_max',
                        'pk_dl_filter_size_unit',
                        'pk_search_engine',
                        'pk_search_history',
                        'pk_expired_shares',
                        'pk_share_limits',
                        'pk_bn_find_hist',
                        'pk_bn_rep_hist',
                        'pk_dup_strictness',
                        'pk_skip_bl_on_del',
                        'pk_pwd_vault',
                        'pk_pwd_try_count'
                    ]);

                    const importPrefixKeys = [
                        'pk_scan_last_',
                        'pk_analyze_last_',
                        'pk_archive_pwd_',
                        'pk_progress_',
                        'pk_duration_'
                    ];

                    const isWhitelistedImportKey = (k) => importExactKeys.has(k) || importPrefixKeys.some(prefix => k.startsWith(prefix));

                    const readStoredValue = (k) => {
                        let v = typeof GM_getValue !== 'undefined' ? GM_getValue(k, null) : null;
                        if ((v === null || v === undefined || v === '') && localStorage.getItem(k) !== null) v = localStorage.getItem(k);
                        return v;
                    };

                    const writeStoredValue = (k, v) => {
                        if (typeof GM_setValue !== 'undefined') GM_setValue(k, v);
                        else localStorage.setItem(k, typeof v === 'string' ? v : JSON.stringify(v));
                        if (k === 'pk_turbo_mode') localStorage.setItem(k, String(v));
                    };

                    const parseMaybeJson = (v) => {
                        if (typeof v === 'string') {
                            const s = v.trim();
                            if ((s.startsWith('[') && s.endsWith(']')) || (s.startsWith('{') && s.endsWith('}'))) {
                                try { return JSON.parse(s); } catch {}
                            }
                        }
                        return v;
                    };

                    const isPlainObject = (v) => !!v && typeof v === 'object' && !Array.isArray(v);

                    const mergeArrayUnique = (localArr, importedArr, limit = 100) => {
                        const seen = new Set();
                        const merged = [];
                        [...localArr, ...importedArr].forEach(item => {
                            const key = (item && typeof item === 'object') ? JSON.stringify(item) : `v:${String(item)}`;
                            if (seen.has(key)) return;
                            seen.add(key);
                            merged.push(item);
                        });
                        return merged.slice(0, limit);
                    };

                    const importKeys = Object.keys(config).filter(k => isWhitelistedImportKey(k));

                    importKeys.forEach(k => {
                        const importedVal = config[k];
                        const localVal = readStoredValue(k);

                        if (localVal === null || localVal === undefined || localVal === '') {
                            writeStoredValue(k, importedVal);
                            return;
                        }

                        try {
                            if (k === 'pk_blacklist' || k === 'pk_blacklist_folders') {
                                const localSet = new Set(String(localVal || '').split('\n').map(s => s.trim()).filter(s => s));
                                const importedSet = new Set(String(importedVal || '').split('\n').map(s => s.trim()).filter(s => s));
                                importedSet.forEach(v => localSet.add(v));
                                writeStoredValue(k, Array.from(localSet).join('\n'));
                                return;
                            }

                            if (k === 'pk_dl_filter_ext' || k === 'pk_dl_filter_name') {
                                const localSet = new Set(String(localVal || '').split(/[,，\n]/).map(s => s.trim()).filter(s => s));
                                const importedSet = new Set(String(importedVal || '').split(/[,，\n]/).map(s => s.trim()).filter(s => s));
                                importedSet.forEach(v => localSet.add(v));
                                writeStoredValue(k, Array.from(localSet).join(', '));
                                return;
                            }

                            const localObj = parseMaybeJson(localVal);
                            const importedObj = parseMaybeJson(importedVal);

                            if (k === 'pk_pwd_vault') {
                                const localArr = Array.isArray(localObj) ? localObj : [];
                                const importedArr = Array.isArray(importedObj) ? importedObj : [];
                                const map = new Map();

                                localArr.forEach(x => {
                                    const p = typeof x === 'object' ? x.p : x;
                                    const h = typeof x === 'object' ? (Number(x.h) || 0) : 0;
                                    if (p) map.set(p, { p, h });
                                });

                                importedArr.forEach(x => {
                                    const p = typeof x === 'object' ? x.p : x;
                                    const h = typeof x === 'object' ? (Number(x.h) || 0) : 0;
                                    if (!p) return;
                                    if (map.has(p)) map.get(p).h += h;
                                    else map.set(p, { p, h });
                                });

                                writeStoredValue(k, JSON.stringify(Array.from(map.values()).sort((a, b) => b.h - a.h).slice(0, 50)));
                                return;
                            }

                            if (k === 'pk_expired_shares') {
                                const localArr = Array.isArray(localObj) ? localObj : [];
                                const importedArr = Array.isArray(importedObj) ? importedObj : [];
                                const map = new Map();

                                localArr.forEach(x => { if (x && x.id) map.set(x.id, x); });
                                importedArr.forEach(x => { if (x && x.id) map.set(x.id, x); });

                                writeStoredValue(k, JSON.stringify(Array.from(map.values())));
                                return;
                            }

                            if (Array.isArray(localObj) && Array.isArray(importedObj)) {
                                writeStoredValue(k, JSON.stringify(mergeArrayUnique(localObj, importedObj, 100)));
                                return;
                            }

                            if (isPlainObject(localObj) && isPlainObject(importedObj)) {
                                writeStoredValue(k, JSON.stringify(Object.assign({}, localObj, importedObj)));
                                return;
                            }

                            writeStoredValue(k, importedVal);
                        } catch (e2) {
                            writeStoredValue(k, importedVal);
                        }
                    });

                    showToast(L.msg_import_success);
                    fileInput.value = '';
                    setTimeout(() => location.reload(), 1500);
                } catch (err) {
                    let errorTip = "";
                    if (err.message === "INVALID_SIGNATURE") {
                        errorTip = L.err_invalid_config;
                    } else {
                        errorTip = L.err_json_format;
                        console.error("[Config Import]", err);
                    }

                    showAlert(errorTip, L.str_error);
                    fileInput.value = '';
                }
            };
            reader.readAsText(file);
        };

        const thumbScopeWrap = m.querySelector('#cs_thumb_scope');
        const thumbScopeInput = m.querySelector('#set_thumb_scope');
        const thumbScopeTrigger = m.querySelector('#cs_thumb_scope .pk-select-trigger');
        const thumbScopeMenu = m.querySelector('#cs_thumb_scope .pk-select-menu');
        const thumbScopeTxt = m.querySelector('#txt_thumb_scope');

        if (thumbScopeWrap && thumbScopeInput && thumbScopeTrigger && thumbScopeMenu && thumbScopeTxt) {
            thumbScopeTrigger.onclick = (e) => {
                e.stopPropagation();
                thumbScopeMenu.style.display = thumbScopeMenu.style.display === 'block' ? 'none' : 'block';
            };

            m.querySelectorAll('#cs_thumb_scope .pk-select-item').forEach(item => {
                item.onclick = (e) => {
                    e.stopPropagation();
                    m.querySelectorAll('#cs_thumb_scope .pk-select-item').forEach(i => i.classList.remove('act'));
                    item.classList.add('act');
                    thumbScopeInput.value = item.dataset.val;
                    thumbScopeTxt.textContent = item.textContent;
                    thumbScopeMenu.style.display = 'none';
                };
            });

            m.addEventListener('click', () => {
                thumbScopeMenu.style.display = 'none';
            });
        }

        m.querySelector('#set_cancel').onclick = () => m.remove();
        m.tabIndex = 0;
        setTimeout(() => m.focus(), 10);
        m.addEventListener('keydown', (e) => {
            if (e.key === 'Enter') {
                e.preventDefault(); e.stopPropagation();
                m.querySelector('#set_save').click();
            }
        });

        m.querySelector('#set_save').onclick = async () => {
            const newTurbo = m.querySelector('#set_turbo').checked;
            const oldTurbo = gmGet('pk_turbo_mode', false);
            const newUrl = m.querySelector('#set_aria_url').value.trim();
            const newToken = m.querySelector('#set_aria_token').value.trim();
            const newBlurScope = m.querySelector('#set_thumb_scope').value;
            const newKeepPos = m.querySelector('#set_keep_pos').checked;
            const newSkipBl = m.querySelector('#set_skip_bl').checked;
            const newClipboardMagnetFocus = m.querySelector('#set_clipboard_magnet_focus').checked;
            const newComicMode = m.querySelector('#set_comic_mode').checked;
            const sortPref = m.querySelector('input[name="set_sort_pref"]:checked').value;
            const viewPref = m.querySelector('input[name="set_view_pref"]:checked').value;
            const saveBtn = m.querySelector('#set_save');

            const applyChangesAndClose = async () => {
                gmSet('pk_blur_scope', newBlurScope);
                gmSet('pk_blur_thumb', newBlurScope !== 'off');
                gmSet('pk_keep_pos', newKeepPos);
                gmSet('pk_comic_mode', newComicMode);
                gmSet('pk_clipboard_magnet_focus', newClipboardMagnetFocus);
                gmSet('pk_skip_bl_on_del', newSkipBl);

                const wasIndep = gmGet('pk_sort_independent', false);
                const isIndep = (sortPref === 'indep');
                gmSet('pk_sort_independent', isIndep);

                if (wasIndep && !isIndep) {
                    const keepFolderFirst = gmGet('pk_folder_first', false);
                    gmSet('pk_folder_sort_prefs', '{}');
                    gmSet('pk_global_sort_pref', JSON.stringify({ sort: 'modified_time', dir: 1, folderFirst: keepFolderFirst }));
                    S.sort = 'modified_time';
                    S.dir = 1;
                    S.folderFirst = keepFolderFirst;
                }

                const isViewIndep = (viewPref === 'indep');
                gmSet('pk_view_independent', isViewIndep);
                persistViewPreference();

                gmSet('pk_lang', selectedLang);
                gmSet('pk_search_engine', selectedEngine);
                gmSet('pk_turbo_mode', newTurbo);
                gmSet('pk_dl_filter_ext', m.querySelector('#set_dl_filter_ext').value.trim());
                gmSet('pk_dl_filter_size_min', m.querySelector('#set_dl_filter_size_min').value.trim());
                gmSet('pk_dl_filter_size_max', m.querySelector('#set_dl_filter_size_max').value.trim());
                gmSet('pk_dl_filter_size_unit', m.querySelector('#cs_set_dl_size_unit .pk-select-item.act') ? m.querySelector('#cs_set_dl_size_unit .pk-select-item.act').dataset.val : 'MB');
                gmSet('pk_dl_filter_name', m.querySelector('#set_dl_filter_name').value.trim());
                gmSet('pk_aria2_url', newUrl);
                gmSet('pk_aria2_token', newToken);

                if (curLang !== selectedLang) {
                    await ensureI18nReady(true, selectedLang);
                }

                m.remove();

                const savedPack = (pkRemoteI18n && pkRemoteI18n.lang === selectedLang) ? pkRemoteI18n.data : T_LOCAL.zh;
                showToast((savedPack && savedPack.msg_settings_saved) || T_LOCAL.zh.msg_settings_saved);

                if (newTurbo !== oldTurbo) {
                    setTimeout(() => location.reload(), 300);
                    return;
                }

                if (curLang !== selectedLang) {
                    let safePath = [...S.path];
                    if (safePath.some(n => n.id === 'virtual_search_root' || n.id === 'analyze_root')) {
                        safePath = S.preSearchPath || [{ id: '', name: (savedPack && savedPack.btn_nav_home) || L.btn_nav_home }];
                    }

                    globalSavedState = {
                        path: safePath,
                        trashMode: S.trashMode,
                        shareMode: S.shareMode,
                        starredMode: S.starredMode,
                        recentMode: S.recentMode,
                        historyMode: S.historyMode,
                        offlineMode: S.offlineMode,
                        uploadMode: S.uploadMode,
                        isMaximized: UI.win.classList.contains('pk-maximized'),
                        scrollTop: UI.vp ? UI.vp.scrollTop : 0,
                        uploadTasks: S.uploadTasks
                    };

                    document.removeEventListener('keydown', keyHandler);
                    document.removeEventListener('mouseup', mouseHandler);

                    if (typeof destroyTooltip === 'function') destroyTooltip();

                    if (visibilityListener && visibilityListener.abort) visibilityListener.abort();
                    el.remove();

                    await ensureI18nReadyBeforeOpen(selectedLang);
                    await openManager(S.cache, S.preLoadPromise);
                } else {
                    renderVisible();
                }
            };

            if (!newUrl && !newToken) {
                await applyChangesAndClose();
                return;
            }

            saveBtn.disabled = true;
            saveBtn.textContent = L.str_saving_dots;

            try {
                const fetchUrl = normalizeAriaRpcUrl(newUrl || 'http://localhost:6800/jsonrpc');
                const payload = { jsonrpc: '2.0', method: 'aria2.getVersion', id: 'pk_test', params: buildAriaRpcParams(newToken) };
                await aria2RpcRequest(fetchUrl, payload, 5000);
                await applyChangesAndClose();
            } catch (e) {
                if (await showConfirm(L.msg_aria2_test_fail, L.title_aria2_fail)) {
                    await applyChangesAndClose();
                } else {
                    saveBtn.disabled = false;
                    saveBtn.textContent = L.btn_save;
                }
            }
        };
    };

    UI.btnSettings.onclick = (e) => {
        if (e) e.stopPropagation();
        const existing = document.getElementById('pk-settings-pop');
        if (existing) { existing.remove(); return; }

        const isMax = UI.win.classList.contains('pk-maximized');
        const pop = document.createElement('div');
        pop.id = 'pk-settings-pop';
        if (isMax) pop.className = 'pk-pop-max';
        pop.style.cssText = `
            position: absolute; background: var(--pk-bg); border: 1px solid var(--pk-bd);
            border-radius: 8px; padding: 4px 0; box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            z-index: 2147483647; min-width: 140px; display: flex; flex-direction: column;
            zoom: var(--pk-zoom, 1);
        `;
        if (document.querySelector('.pk-ov')?.classList.contains('pk-dark')) pop.classList.add('pk-dark');

        pop.innerHTML = `
            <div class="pk-dropdown-item" id="pk-set-menu-settings" style="padding:10px 16px;">${CONF.icons.settings} <span>${L.btn_settings}</span></div>
            <div style="height:1px; background:var(--pk-bd); margin:4px 0;"></div>
            <div class="pk-dropdown-item" id="pk-set-menu-logout" style="padding:10px 16px; color:#d93025;">${CONF.icons.logout} <span>${L.btn_logout}</span></div>
        `;
        document.body.appendChild(pop);

        const updatePosition = () => {
            if (!pop.isConnected) return;
            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            const rect = getLogicalRect(UI.btnSettings);
            const winEl = document.querySelector('.pk-win');
            const isMax = winEl && winEl.classList.contains('pk-maximized');

            let popLeft, popBottom;
            if (isMax) {
                popLeft = rect.left;
                popBottom = (window.innerHeight / scale) - rect.top + 8;
            } else {
                popLeft = rect.right + 10;
                popBottom = (window.innerHeight / scale) - rect.bottom;
            }

            pop.style.bottom = popBottom + 'px';
            pop.style.left = popLeft + 'px';
        };
        updatePosition();
        window.addEventListener('resize', updatePosition);

        const cleanup = () => {
            window.removeEventListener('resize', updatePosition);
            document.removeEventListener('mousedown', closer);
            pop.remove();
        };

        const closer = (ev) => {
            if (!pop.contains(ev.target) && !UI.btnSettings.contains(ev.target)) cleanup();
        };
        setTimeout(() => document.addEventListener('mousedown', closer), 10);

        pop.querySelector('#pk-set-menu-settings').onclick = (ev) => {
            ev.stopPropagation();
            cleanup();
            openSettingsModal();
        };

        pop.querySelector('#pk-set-menu-logout').onclick = async (ev) => {
            ev.stopPropagation();
            cleanup();
            if (await showConfirm(L.msg_logout_confirm)) {
                const keysToRemove = [];
                for (let i = 0; i < localStorage.length; i++) {
                    const k = localStorage.key(i);
                    if (k && (k.startsWith('credentials') || k.startsWith('captcha') || k === 'pk_captured_captcha')) {
                        keysToRemove.push(k);
                    }
                }
                keysToRemove.forEach(k => localStorage.removeItem(k));
                if (typeof purgeAllCachesOnLogout === 'function') purgeAllCachesOnLogout();
                if (!location.href.includes('/login')) window.location.href = 'https://mypikpak.com/drive/login';
            }
        };
    };

    const ctx = el.querySelector('#pk-ctx');

    if (!window.pkPropCache) window.pkPropCache = new Map();

    ctx.querySelector('#ctx-property').onclick = async () => {
        ctx.style.display = 'none';
        const id = S.getSelectedIds()[0];
        if (!id) return;

        let item = S.itemMap.get(id);
        if (!item) return;

        setLoad(true);
        updateLoadTxt(L.loading_detail);

        const isFolder = item.kind === 'drive#folder';

        try {
            const freshData = await apiGet(id);
            item = { ...item, ...freshData };
        } catch(e) {
            console.warn("Fetch detail failed, using cached info");
        }

        if (isFolder) {
            const localFMod = gmGet('pk_fmod_' + item.id);
            if (localFMod) item.modified_time = localFMod;
        }

        setLoad(false);

        let cachedProp = window.pkPropCache.get(item.id);
        if (!cachedProp) {
            cachedProp = { size: BigInt(0), fileCount: 0, folderCount: 0, isDone: false, scanned: new Set(), isRunning: false };
            window.pkPropCache.set(item.id, cachedProp);
        }

        let realSize = isFolder ? cachedProp.size : BigInt(item.size || 0);
        let fileCount = isFolder ? cachedProp.fileCount : 0;
        let folderCount = isFolder ? cachedProp.folderCount : 0;

        if (isFolder && item.usage && item.usage.size && item.usage.size !== "0") {
            realSize = BigInt(item.usage.size);
            fileCount = item.usage.file_count;
            folderCount = item.usage.folder_count;

            cachedProp.size = realSize;
            cachedProp.fileCount = fileCount;
            cachedProp.folderCount = folderCount;
            cachedProp.isDone = true;
        }

        const countStr = isFolder ? L.fmt_prop_count.replace('{f}', fileCount).replace('{d}', folderCount) : "-";

        const formatTime = (iso) => fmtDate ? fmtDate(iso) : iso;

        let sourceStr = L.str_prop_unknown;
        let magnetLink = item.params?.url || item.audit?.source_url || "";

        if (magnetLink) {
            sourceStr = L.str_prop_cloud;
        } else {
            sourceStr = L.str_prop_user;
        }

        const btnStyle = "margin-left:10px; padding:2px 8px; font-size:12px; background:var(--pk-pri); color:#fff; border:none; border-radius:4px; cursor:pointer; height:24px; white-space:nowrap;";
        const rowStyle = "display:flex; align-items:center; margin-bottom:12px; font-size:13px; line-height:1.5;";
        const labelStyle = "width:80px; color:#888; flex-shrink:0;";
        const valStyle = "color:var(--pk-fg); flex:1; word-break:break-all;";

        const mkRow = (lbl, val, copyVal = null, isHtml = false, valId = null) => {
            if (!val && val !== 0 && val !== "-") return "";
            let btnHtml = copyVal ? `<button class="pk-btn-copy-prop" data-val="${esc(copyVal)}" style="${btnStyle}">${L.btn_copy_text}</button>` : "";
            return `<div style="${rowStyle}"><div style="${labelStyle}">${lbl}:</div><div style="${valStyle}" ${valId ? `id="${valId}"` : ''}>${isHtml ? val : esc(val)}</div>${btnHtml}</div>`;
        };

        let pathRowHtml = "";
        const isSpecialView = S.shareMode || S.offlineMode || S.recentMode || S.historyMode || S.trashMode || S.starredMode;
        const curPathNode = S.path[S.path.length - 1];
        const shouldHidePath = isSpecialView || (S.analyzeMode && curPathNode && curPathNode.id !== 'analyze_root');

        if (!shouldHidePath) {
            const homeText = L.btn_nav_home;
            let parts = (item._lineage && Array.isArray(item._lineage))
            ? item._lineage.filter(p => p.id !== item.id).map(p => p.name)
            : S.path.map(p => p.name);

            parts = parts.filter(n => n && n !== 'Root' && n !== L.str_root_dir_cn);
            if (parts[0] !== homeText) parts.unshift(homeText);

            const pathStr = parts.join('/');
            let pathDisplayHtml = esc(pathStr);

            if (pathStr.startsWith(homeText)) {
                const homeSvg = CONF.icons.home.replace('width="24"','width="15"').replace('height="24"','height="15"').replace('viewBox="0 0 24 24"','viewBox="0 0 24 24" style="margin-right:4px;flex-shrink:0;vertical-align:-2.5px;"');
                const restPath = pathStr.substring(homeText.length);
                const homeGroup = `<span style="display:inline-flex;align-items:center;vertical-align:bottom;margin-right:2px;">${homeSvg}${esc(homeText)}</span>`;
                pathDisplayHtml = `<div style="line-height:1.6;word-break:break-all;">${homeGroup}${esc(restPath)}</div>`;
            }
            pathRowHtml = mkRow(L.lbl_prop_path, pathDisplayHtml, pathStr, true);
        }

        const html = `
    <div style="padding:10px 0;">
        ${mkRow(L.lbl_prop_name, item.name)}
        ${mkRow(L.lbl_prop_size, fmtSize(realSize.toString()) || "0 B", null, false, 'pk_prop_size_val')}
        ${isFolder ? mkRow(L.lbl_prop_count, countStr, null, false, 'pk_prop_count_val') : ''}
        ${mkRow(L.lbl_prop_ctime, formatTime(item.created_time))}
        ${mkRow(L.lbl_prop_mtime, formatTime(item.modified_time))}
        ${mkRow(L.lbl_prop_source, sourceStr)}
        ${magnetLink ? mkRow(L.lbl_prop_link, magnetLink, magnetLink) : ''}
        ${pathRowHtml}
    </div>
`;

        const m = showModal(`
            <h3 style="border-bottom:1px solid var(--pk-bd); padding-bottom:10px; margin-bottom:15px;">${L.title_property}</h3>
            ${html}
        `);

        m.querySelectorAll('.pk-btn-copy-prop').forEach(btn => {
            btn.onclick = (e) => {
                const txt = e.target.getAttribute('data-val');
                GM_setClipboard(txt);
                const oldTxt = e.target.textContent;
                e.target.textContent = "OK";
                e.target.style.background = "#4CAF50";
                setTimeout(() => {
                    e.target.textContent = oldTxt;
                    e.target.style.background = "var(--pk-pri)";
                }, 1500);
            };
        });

        if (isFolder && !cachedProp.isDone) {
            const sizeEl = m.querySelector('#pk_prop_size_val');
            const countEl = m.querySelector('#pk_prop_count_val');

            let lastUiUpdateTime = performance.now();
            const updateUI = () => {
                const now = performance.now();
                if (now - lastUiUpdateTime > 80) {
                    if (sizeEl && sizeEl.isConnected) sizeEl.textContent = fmtSize(cachedProp.size.toString()) || "0 B";
                    if (countEl && countEl.isConnected) countEl.textContent = L.fmt_prop_count.replace('{f}', cachedProp.fileCount).replace('{d}', cachedProp.folderCount);
                    lastUiUpdateTime = now;
                }
            };

            if (!cachedProp.isRunning) {
                cachedProp.isRunning = true;

                const localAbortCtrl = new AbortController();
                const rootNodes =[{ id: item.id, name: item.name, lineage: [], retryCount: 0 }];

                coreRecursiveEngine(rootNodes, {
                    signal: localAbortCtrl.signal,
                    onFolder: (f) => {
                        if (f.id !== item.id && !cachedProp.scanned.has(f.id)) {
                            cachedProp.folderCount++;
                            cachedProp.scanned.add(f.id);
                        }
                        updateUI();
                    },
                    onFile: (f) => {
                        if (!cachedProp.scanned.has(f.id)) {
                            cachedProp.fileCount++;
                            cachedProp.size += BigInt(f.size || 0);
                            cachedProp.scanned.add(f.id);
                        }
                        updateUI();
                    },
                    onProgress: () => {}
                }).then(() => {
                    cachedProp.isDone = true;
                    cachedProp.isRunning = false;
                    if (sizeEl && sizeEl.isConnected) sizeEl.textContent = fmtSize(cachedProp.size.toString()) || "0 B";
                    if (countEl && countEl.isConnected) countEl.textContent = L.fmt_prop_count.replace('{f}', cachedProp.fileCount).replace('{d}', cachedProp.folderCount);
                }).catch(e => {
                    cachedProp.isRunning = false;
                });
            } else {
                const timer = setInterval(() => {
                    if (!document.contains(m)) {
                        clearInterval(timer);
                        return;
                    }
                    if (sizeEl) sizeEl.textContent = fmtSize(cachedProp.size.toString()) || "0 B";
                    if (countEl) countEl.textContent = L.fmt_prop_count.replace('{f}', cachedProp.fileCount).replace('{d}', cachedProp.folderCount);
                    if (cachedProp.isDone) clearInterval(timer);
                }, 200);
            }
        }
    };

    const btnLocate = ctx.querySelector('#ctx-locate');
    if (btnLocate) {
        btnLocate.onclick = async () => {
            ctx.style.display = 'none';
            const id = S.getSelectedIds()[0];
            if (!id) return;

            let item = S.itemMap.get(id);
            if (!item) return;

            setLoad(true);
            updateLoadTxt(L.str_loc_tracing);

            try {
                if (item.kind === 'drive#task' || S.recentMode || S.uploadMode) {
                    const lookupId = (item.kind === 'drive#task' || S.uploadMode) ? item.file_id : item.id;

                    if (!lookupId) {
                        showToast(L.err_folder_not_ready, 'error');
                        setLoad(false); return;
                    }

                    try {
                        item = await apiGet(lookupId);
                    } catch (e) {
                        const errText = e.message || "";
                        if (errText.includes('404') || errText.includes('400')) {
                            showToast(L.err_item_deleted, 'error');
                        } else {
                            showToast(`${L.str_error}: ${e.message}`, 'error');
                        }
                        setLoad(false); return;
                    }
                }

                let pathChain = [];
                if (item._lineage && Array.isArray(item._lineage)) {
                    pathChain = item._lineage.filter(p =>
                        p.id !== item.id &&
                        p.id !== 'virtual_search_root' &&
                        p.id !== 'analyze_root' &&
                        p.id !== 'recent_root'
                    );
                } else if (item.parent_id && typeof globalLineageMap !== 'undefined' && globalLineageMap.has(item.parent_id)) {
                    pathChain = [...globalLineageMap.get(item.parent_id)];
                } else {
                    let currParentId = item.parent_id;
                    for (let i = 0; i < 15; i++) {
                        if (!currParentId || currParentId === 'root' || currParentId === '') break;

                        if (typeof globalLineageMap !== 'undefined' && globalLineageMap.has(currParentId)) {
                            const cachedLineage = globalLineageMap.get(currParentId);
                            pathChain.unshift(...cachedLineage);
                            break;
                        }

                        try {
                            const res = await apiGet(currParentId);
                            pathChain.unshift({ id: res.id, name: res.name });
                            currParentId = res.parent_id;
                        } catch (e) {
                            console.warn("Trace broken:", e);
                            break;
                        }
                    }
                }

                if (pathChain.length > 0 && (pathChain[0].id === '' || pathChain[0].id === 'root')) {
                    pathChain[0].id = '';
                    pathChain[0].name = L.btn_nav_home;
                } else {
                    pathChain.unshift({ id: '', name: L.btn_nav_home });
                }

                const targetContextId = (item.parent_id === 'root' || !item.parent_id) ? '' : item.parent_id;

                const needsRestoreGlobalCheck = S.starredMode || S.recentMode || S.historyMode || S.offlineMode || S.uploadMode || S.shareMode || S.isFlattened || S.dupMode || S.analyzeMode;

                S.starredMode = false; S.trashMode = false; S.shareMode = false; S.offlineMode = false;
                S.recentMode = false;
                S.historyMode = false;
                S.uploadMode = false;
                S.dupMode = false; S.isFlattened = false; S.analyzeMode = false;
                if (UI.chkSearchPath) UI.chkSearchPath.checked = false;

                if (UI.btnNavStarred) UI.btnNavStarred.classList.remove('act');
                if (UI.btnNavRecent) UI.btnNavRecent.classList.remove('act');
                if (UI.btnNavHistory) UI.btnNavHistory.classList.remove('act');
                if (UI.btnNavShare) UI.btnNavShare.classList.remove('act');
                if (UI.btnNavOffline) UI.btnNavOffline.classList.remove('act');
                if (UI.btnNavUpload) UI.btnNavUpload.classList.remove('act');
                if (UI.btnNavHome) UI.btnNavHome.classList.add('act');

                [UI.btnAria2, UI.btnDown, UI.btnExt, UI.btnImgSearch].forEach(b => { if(b) b.style.display = 'inline-flex'; });

                [UI.btnUpPause, UI.btnUpStart, UI.btnUpDel, UI.btnUpClearAll].forEach(b => { if(b) b.style.display = 'none'; });
                const upSep = document.getElementById('pk-up-sep');
                if(upSep) upSep.style.display = 'none';

                [UI.btnNewFolder, UI.btnDel, UI.btnCopy, UI.btnCut, UI.btnPaste, UI.btnRename, UI.btnBulkRename, UI.btnPrune, UI.btnUnzip, UI.btnMigrate, UI.btnRefresh, UI.btnBlacklistManager].forEach(b => { if(b) b.style.display = 'inline-flex'; });
                if(UI.uploadWrap) UI.uploadWrap.style.display = 'inline-flex';

                S.path = pathChain;

                if (UI.lblGlobal) UI.lblGlobal.style.display = 'flex';

                if (UI.chkGlobal && needsRestoreGlobalCheck && typeof S.wasGlobalChecked !== 'undefined') {
                    UI.chkGlobal.checked = S.wasGlobalChecked;
                }

                if (UI.scan) UI.scan.style.display = 'flex';
                if (UI.btnAnalyze) UI.btnAnalyze.style.display = 'flex';
                if (UI.bottomGrp) UI.bottomGrp.style.display = 'flex';
                if (UI.cntFolderFirst) UI.cntFolderFirst.style.display = 'flex';
                if (UI.btnNewFolder) UI.btnNewFolder.style.display = 'inline-flex';
                if (UI.btnPaste) UI.btnPaste.style.display = S.clipItems && S.clipItems.length > 0 ? 'inline-flex' : 'inline-flex';

                S.sort = 'modified_time'; S.dir = 1;

                const locateTargetViewMode = (typeof resolvePreferredViewMode === 'function')
                ? resolvePreferredViewMode(targetContextId || 'root')
                : (gmGet('pk_file_view_mode', 'grid') === 'list' ? 'list' : 'grid');
                const shouldHoldLocateGridSync = locateTargetViewMode === 'grid';
                if (shouldHoldLocateGridSync) {
                    S._folderViewSyncHold = true;
                    beginFolderViewSync();
                }

                await load();

                let trackCount = 0;
                const maxTracks = 10;
                let trackerInterval = null;

                const releaseLocateViewSync = () => {
                    if (!S._folderViewSyncHold) return;
                    S._folderViewSyncHold = false;
                    endFolderViewSync(true);
                };

                const stopTracking = (releaseViewSync = true) => {
                    if (trackerInterval) { clearInterval(trackerInterval); trackerInterval = null; }
                    if (releaseViewSync) releaseLocateViewSync();
                };

                let hasTriedRecovery = false;

                const performLocate = () => {
                    const currentPathNode = S.path[S.path.length - 1];
                    const currentContextId = currentPathNode ? (currentPathNode.id || '') : '';

                    if (currentContextId !== targetContextId) {
                        stopTracking(); return;
                    }

                    if (!S.loading && !S.itemMap.has(item.id) && !hasTriedRecovery) {
                        hasTriedRecovery = true;
                        console.warn(`[Locate] Target item ${item.id} not found in cache. Forcing network sync...`);

                        const cacheKey = S.getRealCacheKey(currentContextId);
                        S.cache.delete(cacheKey);
                        if (typeof globalCache !== 'undefined') globalCache.delete(cacheKey);

                        globalDirtyFolders.add(currentContextId || 'root');

                        updateLoadTxt(L.str_loc_stale);
                        load(false, true);
                        return;
                    }

                    if (S.loading || !S.itemMap.has(item.id)) return;

                    S.sel.clear();
                    S.sel.add(item.id);
                    S.activeId = item.id;

                    const targetIdx = S.display.findIndex(x => x.id === item.id);

                    if (targetIdx !== -1) {
                        const vpHeight = UI.vp.clientHeight;
                        let rowTop = targetIdx * CONF.rowHeight;

                        if (isGridView()) {
                            syncLayoutMetrics();
                            const gridLayout = getGridLayout();
                            const cols = Math.max(1, gridLayout.cols || 1);
                            rowTop = Math.floor(targetIdx / cols) * CONF.rowHeight;
                        }

                        const centerScroll = Math.max(0, rowTop - (vpHeight / 2) + (CONF.rowHeight / 2));

                        if (Math.abs(UI.vp.scrollTop - centerScroll) > (CONF.rowHeight / 2)) {
                            UI.vp.scrollTop = centerScroll;
                        }

                        renderVisible();

                        const row = UI.in.querySelector(`.pk-row[data-id="${item.id}"]`);
                        if (row) {
                            if (isGridView()) {
                                delete row.dataset.flashing;
                                row.style.transition = '';
                                row.style.backgroundColor = '';
                                row.style.border = '';
                                row.style.borderRadius = '';
                                row.style.boxShadow = '';
                                row.style.outline = '';
                                row.className = getRowClassName(true, true, S.movingIds.has(item.id));
                                const chk = row.querySelector('input[type="checkbox"]');
                                if (chk && !chk.checked) chk.checked = true;
                            } else if (!row.dataset.flashing) {
                                row.dataset.flashing = "true";
                                row.style.transition = "none";
                                row.style.backgroundColor = "rgba(255, 193, 7, 0.5)";
                                void row.offsetWidth;
                                requestAnimationFrame(() => {
                                    row.style.transition = "background-color 1.5s ease-out";
                                    row.style.backgroundColor = "";
                                    setTimeout(() => { if(row) delete row.dataset.flashing; }, 1500);
                                });
                            }
                        }
                    }

                    requestAnimationFrame(() => {
                        releaseLocateViewSync();
                    });
                };

                performLocate();

                trackerInterval = setInterval(() => {
                    trackCount++;
                    const limit = hasTriedRecovery ? 25 : 10;
                    if (S.loading || trackCount <= limit) performLocate();
                    else stopTracking();
                }, 200);

            } catch (e) {
                console.error(e);
                showAlert(`${L.str_error}: ${e.message}`);
                if (UI.vp) UI.vp.style.opacity = '1';
            } finally {
                setLoad(false);
                setTimeout(() => { if (UI.vp) UI.vp.style.opacity = '1'; }, 100);
            }
        };
    }

    ctx.querySelector('#ctx-ext-play').onclick = () => {
        ctx.style.display = 'none';
        UI.btnExt.click();
    };

    ctx.querySelector('#ctx-open').onclick = () => {
        ctx.style.display = 'none';

        const id = S.getSelectedIds()[0];
        if (!id) return;
        const item = S.items.find(x => x.id === id);
        if (!item) return;

        if (S.offlineMode && item.phase !== 'PHASE_TYPE_COMPLETE') {
            const locateBtn = document.getElementById('ctx-locate');
            if (locateBtn) locateBtn.click();
            return;
        }
        if (S.uploadMode && item.status !== 'DONE') {
            if (item.file_id) {
                const locateBtn = document.getElementById('ctx-locate');
                if (locateBtn) locateBtn.click();
            }
            return;
        }

        if (item.kind === 'drive#folder') {
            if (S.loading) return;
            S.path.push({ id: item.id, name: item.name });
            load();
        } else {
            const mime = (item.mime_type || "").toLowerCase();
            const name = (item.name || "").toLowerCase();

            if (name.endsWith('.torrent')) {
                handleTorrentFile(item);
            }
            else if (mime.includes('zip') || mime.includes('rar') || mime.includes('7z') ||
                mime.includes('compressed') || mime.includes('archive') ||
                name.endsWith('.zip') || name.endsWith('.rar') || name.endsWith('.7z') || name.endsWith('.tar') || name.endsWith('.gz')) {
                handleOpenArchive(item);
            }
            else if (mime.startsWith('video')) {
                playVideo(item);
            }
            else if (mime.startsWith('image')) {
                showImage(item);
            }
            else {
                UI.btnExt.click();
            }
        }
    };

    const starBtnCtx = ctx.querySelector('#ctx-star');
    if (starBtnCtx) {
        starBtnCtx.onclick = async (e) => {
            ctx.style.display = 'none';

            const action = e.target.getAttribute('data-action');
            const isStar = (action === 'star');

            const rawIds = S.getSelectedIds();
            const ids = rawIds.filter(id => {
                const it = S.itemMap.get(id);
                if (!it) return false;

                if (!S.trashMode && isSystemItem(it)) return false;

                const isCurrentlyStarred = !!(it.starred || (it.tags && it.tags.some(t => t.name === 'STAR')));
                if (isStar && isCurrentlyStarred) return false;
                if (!isStar && !isCurrentlyStarred) return false;

                return true;
            });

            if (ids.length === 0) {
                showToast(isStar ? L.msg_star_added : L.msg_unstar_done);
                return;
            }

            const starTask = FloatBarManager.create(isStar ? L.msg_starring : L.msg_unstarring);
            const total = ids.length;
            let successCount = 0;

            try {
                const url = `https://api-drive.mypikpak.com/drive/v1/files:${action}`;
                const headers = getHeaders();

                const BATCH_SIZE = 100;

                for (let i = 0; i < total; i += BATCH_SIZE) {
                    const chunk = ids.slice(i, i + BATCH_SIZE);
                    const chunkSet = new Set(chunk);

                    starTask.update(`${isStar ? L.msg_starring : L.msg_unstarring} ${Math.min(i + BATCH_SIZE, total)} / ${total}`);

                    const res = await fetch(url, {
                        method: 'POST', headers: headers,
                        body: JSON.stringify({ "ids": chunk })
                    });

                    if (!res.ok) {
                        const errText = await res.text();
                        if (res.status === 400 && errText.includes('captcha')) throw new Error(L.err_captcha_simple);
                        throw new Error(`API ${res.status}`);
                    }

                    chunk.forEach(id => {
                        if (isStar) S.starredSet.add(id); else S.starredSet.delete(id);

                        const syncObject = (o) => {
                            if (!o) return;
                            o.starred = isStar;
                            if (!o.tags) o.tags = [];
                            if (isStar) {
                                if (!o.tags.some(t => t.name === 'STAR')) o.tags.push({name: 'STAR', type: 0});
                            } else {
                                o.tags = o.tags.filter(t => t.name !== 'STAR');
                            }
                        };

                        syncObject(S.itemMap.get(id));

                        const deepSync = (cacheMap) => {
                            if (!cacheMap) return;
                            cacheMap.forEach((data) => {
                                const list = Array.isArray(data) ? data : (data?.items || []);
                                const target = list.find(f => f.id === id);
                                if (target) syncObject(target);
                            });
                        };

                        deepSync(globalCache);
                        deepSync(S.cache);
                    });

                    if (!isStar && S.starredMode && S.path.length === 1) {
                        S.items = S.items.filter(it => !chunkSet.has(it.id));
                        S.display = S.display.filter(d => !d.isHeader && !chunkSet.has(d.id));
                        renderVisible();
                        updateStat();
                    } else {
                        renderVisible();
                    }

                    successCount += chunk.length;
                    if (total > BATCH_SIZE) await sleep(50);
                }

                starTask.destroy();
                showToast(isStar ? L.msg_star_added : L.msg_unstar_done);

            } catch (err) {
                console.error(err);
                if (starTask) starTask.destroy();

                ids.forEach(id => {
                    const revertStatus = !isStar;
                    if (revertStatus) S.starredSet.add(id); else S.starredSet.delete(id);
                    const item = S.itemMap.get(id);
                    if (item) {
                        item.starred = revertStatus;
                        if (!item.tags) item.tags = [];
                        if (revertStatus) {
                            if (!item.tags.some(t => t.name === 'STAR')) item.tags.push({name: 'STAR', type: 0});
                        } else {
                            item.tags = item.tags.filter(t => t.name !== 'STAR');
                        }
                    }
                });
                renderVisible();
                showAlert(err.message);
            }
        };
    }

    const observeUnzipTask = (taskId, folderId, fileId, skipUiRefresh = false) => {
        const checkStatus = async () => {
            try {
                const res = await fetch(`https://api-drive.mypikpak.com/decompress/v1/progress?task_id=${taskId}`, { headers: getHeaders() });
                if (!res.ok) return;
                const data = await res.json();

                if (data.phase === 'PHASE_TYPE_COMPLETE') {
                    console.log(`[Unzip] Task finished: ${taskId}`);

                    if (S) S.clearSelection();

                    let physicalParentId = folderId || 'root';
                    if (fileId && S.itemMap.has(fileId)) {
                        const it = S.itemMap.get(fileId);
                        if (!it.params) it.params = {};
                        it.params.global_file_kind = '1';
                        if (it.parent_id) physicalParentId = it.parent_id;
                        else if (it.parent_id === '') physicalParentId = 'root';
                    }

                    S.items.forEach(it => {
                        if ((it.kind === 'drive#task' || S.offlineMode || S.uploadMode) && it.file_id === fileId) {
                            if (!it.params) it.params = {};
                            it.params.global_file_kind = '1';
                        }
                    });

                    if (skipUiRefresh) return;

                    if (S && S.getSelectedCount() > 0) S.clearSelection();

                    refresh();
                    updateStat();

                    const dirtyTargets = new Set();
                    if (folderId) dirtyTargets.add(folderId); else dirtyTargets.add('root');
                    dirtyTargets.add(physicalParentId);

                    dirtyTargets.forEach(target => {
                        globalDirtyFolders.add(target);
                        if (target === 'root') globalDirtyFolders.add('');

                        if (typeof globalCache !== 'undefined') globalCache.delete(target);
                        if (typeof pkState !== 'undefined' && pkState && pkState.cache) pkState.cache.delete(target);
                        if (typeof scannedFolderIds !== 'undefined') scannedFolderIds.delete(target === 'root' ? '' : target);

                        backgroundQueue.unshift({ id: target === 'root' ? '' : target, name: 'Unzipped_Update', retryCount: 0 });
                    });

                    runBackgroundCrawler();

                    const curPathNode = S.path[S.path.length - 1];
                    const curId = curPathNode.id || 'root';

                    if (dirtyTargets.has(curId) || curId === 'virtual_search_root' || S.isFlattened || S.dupMode) {
                        if (window.pkSmartRefreshTrigger) {
                            console.log(`[Unzip] Triggering force sync for ${curId}`);
                            setTimeout(() => window.pkSmartRefreshTrigger(true), 1200);
                        }
                    } else {
                        dirtyTargets.forEach(target => {
                            apiList(target === 'root' ? '' : target, 500, null, null, false, true).then(newFiles => {
                                if (typeof globalCache !== 'undefined') globalCache.set(target, newFiles);
                            }).catch(()=>{});
                        });
                    }
                    return;
                }

                if (data.phase === 'PHASE_TYPE_RUNNING' || data.phase === 'PHASE_TYPE_PENDING') {
                    setTimeout(checkStatus, 4000);
                }
            } catch (e) {
                setTimeout(checkStatus, 8000);
            }
        };
        checkStatus();
    };

    const askForPassword = (fileName, errorMsg, isBatch = false) => {
        return new Promise((resolve) => {
            const txtCancel = isBatch ? L.btn_skip : L.btn_cancel;
            const txtConfirm = isBatch ? L.btn_ok : L.btn_view_file;

            const m = showModal(`
                <div style="display:flex; flex-direction:column; height:100%; overflow:hidden;">
                    <div style="padding: 24px 50px 0 24px; flex-shrink:0;">
                         <div style="font-size:16px; font-weight:bold; color:var(--pk-fg); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; line-height:1.4;" title="${esc(fileName)}">
                            ${esc(fileName)}
                        </div>
                    </div>

                    <div style="flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; padding: 0 40px;">
                        <div style="margin-bottom:16px; color:#FFC107;">
                            ${CONF.typeIcons.archive.replace(/width="\d+"/, 'width="64"').replace(/height="\d+"/, 'height="64"')}
                        </div>

                        <div style="font-size:14px; color:var(--pk-fg); margin-bottom:8px; font-weight:500;">
                            ${L.title_input_pwd}
                        </div>

                        <div style="font-size:12px; color:#ff4d4f; height:20px; margin-bottom:10px; opacity:${errorMsg?1:0}; font-weight:bold;">
                            ${esc(errorMsg) || L.err_pwd_simple}
                        </div>

                        <div style="position:relative; width:100%;">
                            <input type="text" id="retry_pwd" placeholder="${L.lbl_pwd_prompt}"
                                   style="width:100%; height:44px; background:var(--pk-hl); border:none; border-radius:6px; padding:0 36px 0 12px; font-size:14px; color:var(--pk-fg); outline:none; box-sizing:border-box; transition:background 0.2s;"
                                   autocomplete="off" name="pk_pwd_no_fill_${Date.now()}">

                            <div id="pwd_clear_btn" style="position:absolute; right:0; top:0; bottom:0; width:36px; display:none; align-items:center; justify-content:center; cursor:pointer; color:#999; transition:color 0.2s;">
                                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>
                            </div>
                        </div>
                    </div>

                    <div style="background:var(--pk-hl); padding:16px 24px; display:flex; justify-content:flex-end; gap:12px; flex-shrink:0;">
                        <button class="pk-btn" id="ask_skip" style="height:36px; padding:0 16px; font-size:14px; color:#666; background:transparent; border:none; font-weight:500;">
                            ${txtCancel}
                        </button>
                        <button class="pk-btn pri" id="ask_retry" style="height:36px; padding:0 24px; border-radius:6px; background:var(--pk-pri); color:#fff; font-weight:600; font-size:14px; border:none; box-shadow:0 2px 5px rgba(0,0,0,0.1);">
                            ${txtConfirm}
                        </button>
                    </div>
                </div>
            `);

            const modalBox = m.querySelector('.pk-modal');
            if (modalBox) {
                modalBox.style.padding = '0';
                modalBox.style.width = "420px";
                modalBox.style.height = "420px";
                modalBox.style.display = "flex";
                modalBox.style.flexDirection = "column";
                modalBox.style.overflow = "hidden";
            }

            const closeBtn = m.querySelector('.pk-modal-close');
            if(closeBtn) {
                closeBtn.style.top = "21px";
                closeBtn.style.right = "24px";
                closeBtn.style.color = "#999";
            }

            const inp = m.querySelector('#retry_pwd');
            const clearBtn = m.querySelector('#pwd_clear_btn');

            setTimeout(() => inp.focus(), 50);

            inp.addEventListener('input', () => {
                clearBtn.style.display = inp.value ? 'flex' : 'none';
            });
            clearBtn.onclick = () => {
                inp.value = '';
                clearBtn.style.display = 'none';
                inp.focus();
            };
            clearBtn.onmouseover = () => clearBtn.style.color = '#666';
            clearBtn.onmouseout = () => clearBtn.style.color = '#999';

            const doResolve = (val) => { m.remove(); resolve(val); };

            m.querySelector('#ask_skip').onclick = () => doResolve(null);
            m.querySelector('.pk-modal-close').onclick = () => doResolve(null);
            m.querySelector('#ask_retry').onclick = () => doResolve(inp.value);
            inp.onkeydown = (e) => { if(e.key === 'Enter') doResolve(inp.value); };
        });
    };

    const handleOpenArchive = async (file) => {
        if (S.trashMode) return;

        setLoad(true);
        updateLoadTxt(L.loading);

        const Vault = {
            get: () => {
                try {
                    const raw = JSON.parse(gmGet('pk_pwd_vault', '[]'));
                    return raw.map(x => typeof x === 'object' ? x.p : x);
                } catch { return []; }
            },
            save: (p) => {
                if (!p) return;
                try {
                    let list = JSON.parse(gmGet('pk_pwd_vault', '[]')).map(x => typeof x === 'object' ? x : {p: x, h: 0});
                    let item = list.find(x => x.p === p);
                    if (item) item.h = (item.h || 0) + 1; else list.push({p: p, h: 1});
                    list.sort((a, b) => b.h - a.h);
                    if (list.length > 50) list = list.slice(0, 50);
                    gmSet('pk_pwd_vault', JSON.stringify(list));
                } catch(e) {}
            }
        };

        try {
            let detail = file;
            if (!detail.gcid && !detail.hash) detail = await apiGet(file.id);
            const gcid = detail.gcid || detail.hash || detail.md5_checksum || "";

            let currentPwd = "";
            let isVerified = false;
            let hasTriedAuto = false;
            let serverBusyRetry = 0;

            while (!isVerified) {
                const payload = { gcid, file_id: file.id, password: currentPwd, path: "" };
                const res = await fetch(`https://api-drive.mypikpak.com/decompress/v1/list`, {
                    method: 'POST', headers: getHeaders(), body: JSON.stringify(payload)
                });

                const data = await res.json().catch(() => ({}));
                const errStr = (data.status_text || data.error_description || "").toLowerCase();

                const isPwdRequired = data.error_code === 10023 || data.status === 'PASS_WORD_ERROR' || errStr.includes('password') || errStr.includes('密码');

                if (data.status === 'OK' && res.ok) {
                    isVerified = true;
                    if (currentPwd) Vault.save(currentPwd);
                }
                else if (isPwdRequired) {

                    if (!currentPwd && !hasTriedAuto) {
                        hasTriedAuto = true;
                        const tryLimit = gmGet('pk_pwd_try_count', 10);
                        const candidates = Vault.get().slice(0, tryLimit);

                        if (candidates.length > 0) {
                            console.log(`[Archive] Parallel-Bruteforce starting: ${candidates.length} candidates`);
                            setLoad(false);
                            const matchingTask = FloatBarManager.create(L.msg_smart_matching_n.replace('{n}', candidates.length));

                            const checkTask = async (pwd, idx) => {
                                const tieredDelay = Math.floor(idx / 5) * 1200;
                                await sleep((idx * 150) + tieredDelay);
                                if (isVerified) return Promise.reject("Aborted");
                                try {
                                    const autoRes = await fetch(`https://api-drive.mypikpak.com/decompress/v1/list`, {
                                        method: 'POST', headers: getHeaders(), body: JSON.stringify({ gcid, file_id: file.id, password: pwd, path: "" })
                                    });
                                    const autoData = await autoRes.json();
                                    if (autoData.status === 'OK') return pwd;
                                } catch(e) {}
                                throw new Error("Wrong Pwd");
                            };

                            try {
                                const correctPwd = await Promise.any(candidates.map((p, i) => checkTask(p, i)));
                                if (correctPwd) {
                                    currentPwd = correctPwd;
                                    isVerified = true;
                                    Vault.save(correctPwd);
                                }
                            } catch (e) {
                                console.log("[Archive] All cached passwords failed.");
                            } finally {
                                matchingTask.destroy();
                                if (!isVerified) setLoad(true);
                            }

                            if (isVerified) break;
                        }
                    }

                    setLoad(false);
                    const promptMsg = currentPwd ? L.err_pwd_simple : "";

                    const userPwd = await askForPassword(file.name, promptMsg);
                    if (userPwd === null) { setLoad(false); return; }

                    currentPwd = userPwd;
                    setLoad(true);
                    updateLoadTxt(L.str_verifying);
                }
                else {
                    if (res.status === 500 || res.status === 502) {
                        if (serverBusyRetry < 5) {
                            serverBusyRetry++;
                            console.warn(`[Archive] Server 500 Error. Retry ${serverBusyRetry}/5...`);
                            updateLoadTxt(L.str_server_indexing.replace('{n}', serverBusyRetry));
                            await sleep(1500);
                            continue;
                        }
                    }

                    throw new Error(errStr || `API Error ${res.status}`);
                }
            }

            setLoad(false);

            const result = await showArchivePreview(file, currentPwd);
            if (result && result.confirm) {
                if (result.password) Vault.save(result.password);
                handleUnzip([file], result.password, true, result.taskId);
            }

        } catch (e) {
            setLoad(false);
            showAlert(`${L.str_error}: ${e.message}`);
        }
    };

    const handleTorrentFile = async (file) => {
        if (parseInt(file.size) > 10 * 1024 * 1024) {
            showAlert(`${L.str_error_crit}: ${L.err_invalid_links}`);
            return;
        }

        const fb = FloatBarManager.create(L.str_processing);
        try {
            const physicalId = (file.file_id || (file.params && file.params.file_id)) || file.id;

            let detail = file;
            if (!detail.web_content_link) detail = await apiGet(physicalId);

            const res = await fetch(detail.web_content_link);
            const buffer = await res.arrayBuffer();
            const buf = new Uint8Array(buffer);

            if (buf[0] !== 100) throw new Error(L.err_invalid_torrent);

            let pos = 0;
            let safetyCounter = 0;
            const MAX_ITERATIONS = 100000;

            const decodeSkip = () => {
                if (++safetyCounter > MAX_ITERATIONS) throw new Error(L.err_torrent_complex);
                if (pos >= buf.length) return;
                const c = buf[pos];
                if (c === 100 || c === 108) {
                    pos++;
                    while (pos < buf.length && buf[pos] !== 101) {
                        decodeSkip();
                        if (pos > buf.length) break;
                    }
                    pos++;
                } else if (c === 105) {
                    pos++;
                    while (pos < buf.length && buf[pos] !== 101) pos++;
                    pos++;
                } else if (c >= 48 && c <= 57) {
                    let colon = pos;
                    while (colon < buf.length && buf[colon] !== 58) colon++;
                    if (colon >= buf.length) throw new Error(L.err_torrent_format);
                    const len = parseInt(new TextDecoder().decode(buf.slice(pos, colon)));
                    if (isNaN(len)) throw new Error(L.err_torrent_len);
                    pos = colon + 1 + len;
                } else {
                    throw new Error(L.err_torrent_char);
                }
            };

            let infoHash = null;
            pos = 1;
            while (pos < buf.length && buf[pos] !== 101) {
                if (++safetyCounter > MAX_ITERATIONS) break;
                const keyStart = pos;
                decodeSkip();
                let colon = keyStart;
                while (buf[colon] !== 58 && colon < buf.length) colon++;
                const kLen = parseInt(new TextDecoder().decode(buf.slice(keyStart, colon)));
                const keyStr = new TextDecoder().decode(buf.slice(colon + 1, colon + 1 + kLen));

                if (keyStr === "info") {
                    const infoStart = pos;
                    decodeSkip();
                    const infoEnd = pos;
                    const infoBuf = buf.slice(infoStart, infoEnd);
                    const hashBuf = await crypto.subtle.digest("SHA-1", infoBuf);
                    infoHash = Array.from(new Uint8Array(hashBuf)).map(b => b.toString(16).padStart(2, '0')).join('');
                    break;
                }
            }

            if (!infoHash) throw new Error("Invalid Torrent File");

            const magnet = `magnet:?xt=urn:btih:${infoHash}&dn=${encodeURIComponent(file.name)}`;
            fb.update(L.msg_creating_cloud_task);

            await apiAddOfflineTask(magnet, file.parent_id || "");

            showToast(L.msg_cloud_task_success.replace('{n}', 1));
            if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;

            if (S.offlineMode) load(false, true);

        } catch (e) {
            showAlert(`${L.str_error}: ${e.message}`);
        } finally {
            fb.destroy();
        }
    };

    const sendUnzipRequest = async (file, password) => {
        let detail = file;
        if (!detail.gcid && !detail.hash) {
            try { detail = await apiGet(file.id); } catch(e) {}
        }
        const gcid = detail.gcid || detail.hash || detail.md5_checksum || "";
        const payload = { file_id: file.id, files: [], password: password || "", default_parent: true, gcid: gcid };

        const res = await fetch(`https://api-drive.mypikpak.com/decompress/v1/decompress`, {
            method: 'POST', headers: getHeaders(), body: JSON.stringify(payload)
        });

        const data = await res.json().catch(() => ({}));
        const rawMsg = data.msg || data.error || data.error_description || data.status_text || "";
        const errStr = rawMsg.toLowerCase();

        const isPwdError = data.error_code === 10023 ||
                           data.status === 'PASS_WORD_ERROR' ||
                           errStr.includes('password') ||
                           errStr.includes('密码');

        if (isPwdError) {
            throw { isError: true, isPwd: true, code: 10023, msg: L.err_pwd_simple };
        }

        if (!res.ok) {
            throw { isError: true, code: res.status, msg: rawMsg || `HTTP ${res.status}` };
        }

        if (data.status && data.status !== 'OK' && data.code !== 0) {
            throw { isError: true, code: data.code || -1, msg: rawMsg || data.status };
        }

        return data;
    };

    const showArchivePreview = async (file, initialPassword = "") => {
        let currentPath = "";
        let pathNodes = [{ name: L.picker_all, path: '' }];
        let currentPwd = initialPassword;

        let preCheckData = null;
        setLoad(true);
        updateLoadTxt(L.loading);

        try {
            let detail = file;
            if (!detail.gcid && !detail.hash) {
                try { detail = await apiGet(file.id); } catch(e) {}
            }
            const gcid = detail.gcid || detail.hash || detail.md5_checksum || "";

            let isVerified = false;
            let isFirstTry = true;

            while(!isVerified) {
                const payload = { gcid, file_id: file.id, password: currentPwd, path: "" };
                const res = await fetch(`https://api-drive.mypikpak.com/decompress/v1/list`, {
                    method: 'POST', headers: getHeaders(), body: JSON.stringify(payload)
                });

                const data = await res.json().catch(() => ({}));
                const errStr = (data.status_text || data.error_description || "").toLowerCase();
                const isPwdErr = data.error_code === 10023 || data.status === 'PASS_WORD_ERROR' || errStr.includes('password') || errStr.includes('密码');

                if (isPwdErr) {
                    setLoad(false);
                    const newPwd = await askForPassword(file.name, isFirstTry ? "" : L.err_pwd_simple);
                    if (newPwd !== null) {
                        currentPwd = newPwd;
                        isFirstTry = false;
                        setLoad(true);
                    } else {
                        return { confirm: false };
                    }
                } else if (!res.ok || (data.status && data.status !== 'OK')) {
                    throw new Error(data.status_text || `API Error ${res.status}`);
                } else {
                    if (currentPwd) {
                        if (gcid) gmSet('pk_archive_pwd_' + gcid, currentPwd);
                        if (typeof updateGlobalPool === 'function') updateGlobalPool(currentPwd);
                    }
                    preCheckData = data;
                    isVerified = true;
                }
            }
        } catch (e) {
            setLoad(false);
            showAlert(`${L.str_error}: ${e.message}`);
            return { confirm: false };
        } finally {
            setLoad(false);
        }

        return new Promise(async (resolve) => {
            const m = showModal(`
                <div style="display:flex; flex-direction:column; height:100%; overflow:hidden;">
                    <div style="padding: 20px 24px 0 24px; flex-shrink:0;">
                         <div style="font-size:16px; font-weight:700; color:var(--pk-fg); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; padding-right:20px; line-height:1.4;" data-pk-tip="${esc(file.name)}">
                            ${esc(file.name)}
                        </div>
                    </div>

                    <div id="arc_crumb" class="pk-no-scrollbar" style="display:flex; align-items:center; padding: 10px 24px; overflow-x:auto; white-space:nowrap; flex-shrink:0; font-size:14px; color:var(--pk-fg);">
                    </div>

                    <div id="arc_list_container" class="pk-scroll" style="flex:1; overflow-y:auto; overflow-x:hidden; position:relative;">
                        <div id="arc_loading" style="position:absolute; inset:0; background:var(--pk-tip-bg); backdrop-filter:blur(4px); display:none; align-items:center; justify-content:center; z-index:3;">
                            <div class="pk-spin-lg" style="width:30px; height:30px; border-width:3px;"></div>
                        </div>
                    </div>

                    <div style="background:var(--pk-hl); padding:16px 24px; display:flex; align-items:center; justify-content:space-between; flex-shrink:0;">
                        <span id="unzip_progress_text" style="font-size:13px; font-weight:bold; color:var(--pk-pri); opacity:0; transition:opacity 0.2s;"></span>

                        <div style="display:flex; gap:12px; margin-left:auto;">
                            <button class="pk-btn" id="unzip_cancel" style="height:36px; padding:0 16px; font-size:14px; color:#666; background:transparent; border:none; font-weight:500;">

                            </button>
                            <button class="pk-btn pri" id="unzip_confirm" style="height:36px; padding:0 24px; border-radius:6px; background:var(--pk-pri); color:#fff; font-weight:600; font-size:14px; border:none; box-shadow:0 2px 5px rgba(0,0,0,0.1);">
                                ${L.btn_unzip_all}
                            </button>
                        </div>
                    </div>
                </div>
            `);

            const modalBox = m.querySelector('.pk-modal');
            modalBox.style.padding = '0';
            modalBox.style.width = "600px";
            modalBox.style.height = "500px";
            modalBox.style.maxHeight = "85vh";
            modalBox.style.display = "flex";
            modalBox.style.flexDirection = "column";
            modalBox.style.overflow = "hidden";

            const closeBtn = m.querySelector('.pk-modal-close');
            if (closeBtn) {
                closeBtn.style.top = "17px";
                closeBtn.style.right = "20px";
                closeBtn.style.color = "#999";
                closeBtn.style.zIndex = "10";
            }

            const listContainer = m.querySelector('#arc_list_container');
            const crumbContainer = m.querySelector('#arc_crumb');
            const loading = m.querySelector('#arc_loading');

            let arcCrumbIdx = 0;
            let lastArcScroll = 0;

            crumbContainer.onwheel = (e) => {
                e.preventDefault();
                const now = Date.now();
                if (now - lastArcScroll < 120) return;
                lastArcScroll = now;

                const nodes = [...crumbContainer.children].filter(c => c.textContent.trim() !== "");
                if (!nodes.length) return;

                if (e.deltaY < 0) arcCrumbIdx = Math.max(0, arcCrumbIdx - 1);
                else arcCrumbIdx = Math.min(nodes.length - 1, arcCrumbIdx + 1);

                const target = nodes[arcCrumbIdx];
                const containerWidth = crumbContainer.offsetWidth;
                const centerOffset = target.offsetLeft + (target.offsetWidth / 2) - (containerWidth / 2);

                crumbContainer.scrollTo({ left: centerOffset, behavior: 'smooth' });
            };

            const renderData = (data, path) => {
                crumbContainer.innerHTML = '';
                pathNodes.forEach((node, idx) => {
                    const isLast = idx === pathNodes.length - 1;
                    const span = document.createElement('span');
                    span.textContent = node.name;
                    span.style.cssText = isLast
                        ? "font-weight:bold; color:var(--pk-fg); cursor:default;"
                        : "color:#888; cursor:pointer; transition:color 0.2s;";

                    if (!isLast) {
                        span.onmouseover = () => span.style.color = 'var(--pk-pri)';
                        span.onmouseout = () => span.style.color = '#888';
                        span.onclick = () => {
                            pathNodes = pathNodes.slice(0, idx + 1);
                            updateView(node.path);
                        };
                    }
                    crumbContainer.appendChild(span);

                    if (!isLast) {
                        const sep = document.createElement('span');
                        sep.innerHTML = `<svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="display:block; opacity:0.5;"><polyline points="9 18 15 12 9 6"></polyline></svg>`;
                        sep.style.margin = "0 6px";
                        crumbContainer.appendChild(sep);
                    }
                });

                arcCrumbIdx = pathNodes.length - 1;
                requestAnimationFrame(() => {
                    crumbContainer.scrollTo({ left: crumbContainer.scrollWidth, behavior: 'smooth' });
                });

                listContainer.innerHTML = '';
                listContainer.appendChild(loading);

                const items = data.files || data.list || [];
                if (items.length === 0) {
                    const emptyMsg = document.createElement('div');
                    emptyMsg.style.cssText = "padding:50px; text-align:center; color:#999; font-size:13px;";
                    emptyMsg.textContent = L.str_empty_dir;
                    listContainer.appendChild(emptyMsg);
                } else {
                    items.forEach(f => {
                        const itemName = f.filename || f.file_name || f.name || L.str_unknown_name;
                        const itemSize = f.filesize || f.size || 0;
                        const isDir = f.kind === 'drive#folder' || (itemSize == 0 && !f.mime_type);

                        const fullPath = (path || "") + itemName + (isDir ? "/" : "");

                        const row = document.createElement('div');
                        row.style.cssText = "display:flex; align-items:center; height:48px; padding:0 24px; cursor:default; transition:background 0.1s; border-bottom:1px solid rgba(0,0,0,0.03);";

                        if (isDir) {
                            row.style.cursor = "pointer";
                            row.onmouseover = () => row.style.background = 'var(--pk-hl)';
                            row.onmouseout = () => row.style.background = 'transparent';
                            row.onclick = (e) => {
                                e.stopPropagation();
                                pathNodes.push({ name: itemName, path: fullPath });
                                updateView(fullPath);
                            };
                        } else {
                            row.onmouseover = () => row.style.background = 'var(--pk-hl)';
                            row.onmouseout = () => row.style.background = 'transparent';
                        }

                        const iconSrc = f.icon_link || '';
                        const fallbackSvg = (isDir ? CONF.typeIcons.folder : getIcon({ name: itemName, mime_type: f.mime_type }))
                            .replace(/width="\d+"/, 'width="28"').replace(/height="\d+"/, 'height="28"');

                        const iconHtml = iconSrc
                            ? `<img src="${iconSrc}" style="width:28px;height:28px;object-fit:contain;flex-shrink:0;" onerror="this.style.display='none';if(this.nextElementSibling)this.nextElementSibling.style.display='inline-flex';"><span style="display:none;align-items:center;flex-shrink:0;">${fallbackSvg}</span>`
                            : fallbackSvg;

                        row.innerHTML = `
                            <div style="margin-right:12px; display:flex; align-items:center; justify-content:center; width:28px;">${iconHtml}</div>
                            <div style="flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-size:14px; color:var(--pk-fg); line-height:1.5;">${esc(itemName)}</div>
                            <div style="color:var(--pk-fg); font-size:14px; line-height:1.5; margin-left:15px; font-weight:normal;">${isDir ? '-' : fmtSize(itemSize)}</div>
                        `;
                        listContainer.appendChild(row);
                    });
                }
            };

            const updateView = async (path) => {
                loading.style.display = 'flex';
                try {
                    let detail = file;
                    if (!detail.gcid && !detail.hash) detail = await apiGet(file.id);
                    const gcid = detail.gcid || detail.hash || detail.md5_checksum || "";
                    const payload = { gcid, file_id: file.id, password: currentPwd, path: path };

                    const res = await fetch(`https://api-drive.mypikpak.com/decompress/v1/list`, {
                        method: 'POST', headers: getHeaders(), body: JSON.stringify(payload)
                    });
                    const data = await res.json().catch(() => ({}));
                    if (res.ok && data.status === 'OK') renderData(data, path);
                    else throw new Error(data.status_text || L.str_load_failed_simple);
                } catch (e) {
                    const errDiv = document.createElement('div');
                    errDiv.style.cssText = "padding:50px; text-align:center; color:#d93025; font-size:13px;";
                    errDiv.textContent = esc(e.message);
                    listContainer.innerHTML = '';
                    listContainer.appendChild(loading);
                    listContainer.appendChild(errDiv);
                } finally {
                    loading.style.display = 'none';
                }
            };

            m.querySelector('.pk-modal-close').onclick = () => { m.remove(); resolve({ confirm: false }); };
            m.querySelector('#unzip_cancel').onclick = () => { m.remove(); resolve({ confirm: false }); };

            m.tabIndex = 0;
            setTimeout(() => m.focus(), 10);
            m.addEventListener('keydown', (e) => {
                if (e.key === 'Enter') {
                    e.preventDefault(); e.stopPropagation();
                    m.querySelector('#unzip_confirm').click();
                }
            });

            m.querySelector('#unzip_confirm').onclick = async () => {
                const cur = S.path[S.path.length - 1];
                const isStarredRoot = S.starredMode && S.path.length === 1;
                const isRecentRoot = S.recentMode && S.path.length === 1;
                const isVirtual = S.isFlattened || S.dupMode || isStarredRoot || isRecentRoot || cur.id === 'analyze_root' || cur.id === 'virtual_search_root';

                if (isVirtual) {
                    const userConfirmed = await new Promise(res => {
                        const vm = showModal(`
                            <h3>${L.title_confirm}</h3>
                            <div style="margin:20px 0;line-height:1.5;">${L.msg_unzip_virtual_view_warn}</div>
                            <div class="pk-modal-act">
                                <button class="pk-btn" id="vc_cancel">${L.btn_cancel}</button>
                                <button class="pk-btn pri" id="vc_ok">${L.btn_understand_unzip}</button>
                            </div>
                        `);
                        vm.querySelector('#vc_cancel').onclick = () => { vm.remove(); res(false); };
                        vm.querySelector('.pk-modal-close').onclick = () => { vm.remove(); res(false); };
                        vm.querySelector('#vc_ok').onclick = () => { vm.remove(); res(true); };

                        vm.tabIndex = 0;
                        setTimeout(() => vm.focus(), 10);
                        vm.addEventListener('keydown', (e) => {
                            if (e.key === 'Enter') {
                                e.preventDefault(); e.stopPropagation();
                                vm.querySelector('#vc_ok').click();
                            }
                        });
                    });
                    if (!userConfirmed) return;
                }

                const btn = m.querySelector('#unzip_confirm');
                const progTxt = m.querySelector('#unzip_progress_text');

                btn.disabled = true;
                btn.style.opacity = '0.6';
                btn.style.cursor = 'not-allowed';
                btn.textContent = L.str_unzipping_state;

                progTxt.textContent = L.str_unzipping_prog_0;
                progTxt.style.opacity = '1';

                try {
                    const resp = await sendUnzipRequest(file, currentPwd);

                    if (resp && resp.task_id) {
                        const taskId = resp.task_id;
                        let isPolling = true;
                        let progressTask = null;

                        const currentFolderId = S.path[S.path.length - 1].id || '';
                        observeUnzipTask(taskId, currentFolderId, file.id);

                        const pollProgress = async () => {
                            if (!isPolling) return;

                            if (!document.contains(m) && !progressTask) {
                                progressTask = FloatBarManager.create(L.str_unzipping.replace('{n}', file.name));
                            }

                            try {
                                const tRes = await fetch(`https://api-drive.mypikpak.com/decompress/v1/progress?task_id=${taskId}`, { headers: getHeaders() });
                                if (!tRes.ok) { finishUnzip(); return; }
                                const tData = await tRes.json();

                                if (tData.phase === 'PHASE_TYPE_COMPLETE') {
                                    finishUnzip();
                                    return;
                                }

                                if (tData.progress !== undefined) {
                                    const text = L.str_unzipping_prog_fmt.replace('{n}', tData.progress);
                                    if (progressTask) progressTask.update(`${L.str_unzipping_state} ${tData.progress}%`);
                                    else progTxt.textContent = text;

                                    if (tData.progress >= 100) { finishUnzip(); return; }
                                }
                            } catch(e) {
                                if (progressTask) progressTask.destroy();
                                isPolling = false;
                                resolve({ confirm: true, password: currentPwd, taskId: taskId, alreadyStarted: true });
                                return;
                            }

                            if (isPolling) setTimeout(pollProgress, 800);
                        };

                        const finishUnzip = async () => {
                            isPolling = false;
                            if (progressTask) progressTask.destroy();
                            if (document.contains(m)) {
                                progTxt.textContent = L.str_unzipping_prog_100;
                                await sleep(500);
                                m.remove();
                            }
                        };

                        resolve({ confirm: true, password: currentPwd, taskId: taskId, alreadyStarted: true, alreadyObserved: true });
                        pollProgress();

                    } else {
                        m.remove();
                        resolve({ confirm: true, password: currentPwd });
                    }
                } catch (e) {
                    btn.disabled = false;
                    btn.style.opacity = '1';
                    btn.style.cursor = 'pointer';
                    btn.textContent = L.btn_unzip_all;
                    progTxt.style.color = '#d93025';
                    progTxt.textContent = e.msg || e.message || L.str_action_failed;
                    console.error(e);
                }
            };

            renderData(preCheckData, "");
        });
    };

    const handleUnzip = async (items, verifiedPwd = "", skipPreview = false, externalTaskId = null) => {
        if (!items || items.length === 0) return;
        const currentFolderId = S.path[S.path.length - 1].id || '';

        const Vault = {
            get: () => {
                try {
                    const raw = JSON.parse(gmGet('pk_pwd_vault', '[]'));
                    return raw.map(x => typeof x === 'object' ? x.p : x);
                } catch { return []; }
            },
            save: (p) => {
                if (!p) return;
                try {
                    let list = JSON.parse(gmGet('pk_pwd_vault', '[]')).map(x => typeof x === 'object' ? x : {p: x, h: 0});
                    let item = list.find(x => x.p === p);
                    if (item) item.h = (item.h || 0) + 1; else list.push({p: p, h: 1});
                    list.sort((a, b) => b.h - a.h);
                    if (list.length > 50) list = list.slice(0, 50);
                    gmSet('pk_pwd_vault', JSON.stringify(list));
                } catch(e) {}
            }
        };

        const curPathNode = S.path[S.path.length - 1];
        const isStarredRoot = S.starredMode && S.path.length === 1;
        const isRecentRoot = S.recentMode && S.path.length === 1;
        const isVirtual = S.isFlattened || S.dupMode || isStarredRoot || isRecentRoot || curPathNode.id === 'analyze_root' || curPathNode.id === 'virtual_search_root';

        let startFromPreviewTaskId = externalTaskId;
        let previewResult = null;

        if (!skipPreview && !verifiedPwd) {
            if (items.length === 1) {
                previewResult = await showArchivePreview(items[0], "");
                if (!previewResult || !previewResult.confirm) return;

                verifiedPwd = previewResult.password;
                if (previewResult.alreadyStarted && previewResult.taskId) {
                    startFromPreviewTaskId = previewResult.taskId;
                }
            } else {
                if (isVirtual) {
                    const userConfirmed = await new Promise(res => {
                        const vm = showModal(`
                            <h3>${L.title_confirm}</h3>
                            <div style="margin:20px 0;line-height:1.5;">${L.msg_unzip_virtual_view_warn}</div>
                            <div class="pk-modal-act">
                                <button class="pk-btn" id="vc_cancel">${L.btn_cancel}</button>
                                <button class="pk-btn pri" id="vc_ok">${L.btn_understand_unzip}</button>
                            </div>
                        `);
                        vm.querySelector('#vc_cancel').onclick = () => { vm.remove(); res(false); };
                        vm.querySelector('.pk-modal-close').onclick = () => { vm.remove(); res(false); };
                        vm.querySelector('#vc_ok').onclick = () => { vm.remove(); res(true); };
                    });
                    if (!userConfirmed) return;
                } else {
                    if (!await showConfirm(L.msg_unzip_confirm_n.replace('{n}', items.length))) return;
                }
            }
        }

        if (S.sel.size > 0) {
            S.clearSelection();
            refresh();
        }

        const isSilentMode = (items.length === 1 && !!startFromPreviewTaskId);
        let progressTask = null;

        if (!isSilentMode) {
            progressTask = FloatBarManager.create(L.str_preparing);
        }

        let successCount = 0;
        let failCount = 0;
        let lastBatchPwd = "";

        const MAX_CONCURRENCY = 3;
        const activePromises = [];
        let promptMutex = Promise.resolve();

        const waitForTaskDone = async (taskId) => {
            for (let i = 0; i < 300; i++) {
                try {
                    const res = await fetch(`https://api-drive.mypikpak.com/decompress/v1/progress?task_id=${taskId}`, { headers: getHeaders() });
                    if (res.ok) {
                        const d = await res.json();
                        if (d.phase === 'PHASE_TYPE_COMPLETE' || d.phase === 'PHASE_TYPE_ERROR') return;
                    } else if (res.status === 404) {
                        return;
                    }
                } catch(e) {}
                await sleep(2000);
            }
        };

        const processSingleItem = async (file, index) => {
            try {
                let detail = file;
                if (!detail.gcid && !detail.hash) {
                    for(let w = 0; w < 5; w++) {
                         try {
                             detail = await Promise.race([
                                 apiGet(file.id),
                                 new Promise((_, r) => setTimeout(() => r(new Error("Timeout")), 2000))
                             ]);
                         } catch(e) {}
                         if (detail.gcid || detail.hash || detail.md5_checksum) break;
                         await sleep(1000);
                    }
                }
                const gcid = detail.gcid || detail.hash || detail.md5_checksum || "";

                let isDone = false;
                let triedVerified = false;
                let triedBatch = false;
                let triedEmpty = false;
                let hasTriedVault = false;
                let isFirstManualInput = true;
                let systemRetry = 0;

                while (!isDone) {
                    let pwdToTry = "";
                    let currentSource = "";

                    if (verifiedPwd && !triedVerified) {
                        pwdToTry = verifiedPwd; currentSource = "VERIFIED";
                    } else if (lastBatchPwd && !triedBatch) {
                        pwdToTry = lastBatchPwd; currentSource = "BATCH";
                    } else if (!triedEmpty) {
                        pwdToTry = ""; currentSource = "EMPTY";
                    } else if (!hasTriedVault) {
                        hasTriedVault = true;
                        const tryLimit = gmGet('pk_pwd_try_count', 10);
                        const candidates = Vault.get().slice(0, tryLimit);

                        if (candidates.length > 0) {
                            if (progressTask) progressTask.update(L.msg_smart_matching_file.replace('{n}', file.name));

                            const checkTask = async (pwd, idx) => {
                                const tieredDelay = Math.floor(idx / 5) * 1200;
                                await sleep((idx * 150) + tieredDelay);
                                try {
                                    const autoRes = await fetch(`https://api-drive.mypikpak.com/decompress/v1/list`, {
                                        method: 'POST',
                                        headers: getHeaders(),
                                        body: JSON.stringify({ gcid, file_id: file.id, password: pwd, path: "" }),
                                        signal: AbortSignal.timeout(5000)
                                    });
                                    const autoData = await autoRes.json();
                                    if (autoData.status === 'OK') return pwd;
                                } catch(e) {}
                                throw new Error("Wrong");
                            };

                            try {
                                const correctPwd = await Promise.any(candidates.map((p, i) => checkTask(p, i)));
                                if (correctPwd) {
                                    lastBatchPwd = correctPwd;
                                    Vault.save(correctPwd);
                                    triedBatch = false;
                                    continue;
                                }
                            } catch (e) {}
                        }
                        continue;
                    } else {
                        currentSource = "MANUAL";
                    }

                    if (currentSource === "MANUAL") {
                        const pwdBeforeWait = lastBatchPwd;
                        const previousMutex = promptMutex;
                        let releaseMutex;
                        promptMutex = new Promise(r => releaseMutex = r);
                        await previousMutex;

                        try {
                            if (lastBatchPwd !== pwdBeforeWait && lastBatchPwd !== "") {
                                continue;
                            }

                            setLoad(false);
                            const errorMsg = isFirstManualInput ? "" : L.err_pwd_simple;
                            const userPwd = await askForPassword(file.name, errorMsg, true);
                            isFirstManualInput = false;
                            setLoad(true);

                            if (userPwd !== null) {
                                lastBatchPwd = userPwd;
                                Vault.save(userPwd);
                                verifiedPwd = userPwd;
                                triedVerified = false;
                                continue;
                            } else {
                                failCount++; isDone = true; continue;
                            }
                        } finally {
                            releaseMutex();
                        }
                    }

                    try {
                        if (progressTask) {
                            const doneCount = successCount + failCount;
                            progressTask.update(`${L.str_unzipping.replace('{n}', file.name)} (${doneCount + 1} / ${items.length})`);
                        }

                        let taskId = null;
                        let needsObserve = true;

                        if (index === 0 && startFromPreviewTaskId) {
                            taskId = startFromPreviewTaskId;
                            startFromPreviewTaskId = null;
                            if (items.length === 1 && previewResult && previewResult.alreadyObserved) {
                                needsObserve = false;
                            }
                        } else {
                            const preRes = await fetch(`https://api-drive.mypikpak.com/decompress/v1/list`, {
                                method: 'POST',
                                headers: getHeaders(),
                                body: JSON.stringify({ gcid, file_id: file.id, password: pwdToTry, path: "" }),
                                signal: AbortSignal.timeout(8000)
                            });
                            const preData = await preRes.json().catch(() => ({}));
                            const preErrStr = (preData.status_text || preData.error_description || "").toLowerCase();

                            if (preData.error_code === 10023 || preData.status === 'PASS_WORD_ERROR' || preErrStr.includes('password') || preErrStr.includes('密码')) {
                                throw { isPwd: true, code: 10023, msg: L.err_pwd_simple };
                            }

                            const resp = await sendUnzipRequest(file, pwdToTry);
                            taskId = resp?.task_id;
                        }

                        if (taskId) {
                            if (needsObserve) observeUnzipTask(taskId, currentFolderId, file.id, true);
                            await waitForTaskDone(taskId);
                        }

                        if (pwdToTry) {
                            lastBatchPwd = pwdToTry;
                            Vault.save(pwdToTry);
                        }
                        successCount++;
                        isDone = true;

                        if (!isSilentMode) {
                            const doneCount = successCount + failCount;
                            updateLoadTxt(`${L.str_unzipping.replace('{n}', file.name)}\n(${doneCount} / ${items.length})`);
                        }

                    } catch (err) {
                        const errText = (err.msg || "").toLowerCase();

                        const isDefinitePwdErr = err.isPwd || err.code === 10023 || err.status === 'PASS_WORD_ERROR' || errText.includes('password') || errText.includes('密码');
                        const isAlreadyRunning = errText.includes('正在解压') || errText.includes('decompressing');
                        const isSystemErr = !isDefinitePwdErr && !isAlreadyRunning && (err.name === 'TimeoutError' || err.code === 400 || err.code === 429 || err.code >= 500 || errText.includes('limit') || errText.includes('busy') || errText.includes('task creation failed'));

                        if (isAlreadyRunning) {
                            console.warn(`[Unzip] Server Lock detected for: ${file.name}. Task is running in background or zombie.`);
                            if (!isSilentMode) {
                                showToast(L.msg_unzip_running_bg.replace('{n}', esc(file.name)), 'warning', 6000);
                            }
                            successCount++;
                            isDone = true;
                        }
                        else if (isSystemErr) {
                            systemRetry++;
                            if (systemRetry < 6) {
                                const delay = 1500 * systemRetry + (Math.random() * 500);
                                updateLoadTxt(L.msg_system_busy_retry.replace('{n}', systemRetry));
                                await sleep(delay);
                                continue;
                            }
                            failCount++; isDone = true;
                            if (progressTask) progressTask.update(`${L.str_unzipping.replace('{n}', file.name)} (${successCount + failCount} / ${items.length})`);
                        }
                        else if (isDefinitePwdErr) {
                            if (currentSource === "VERIFIED") { triedVerified = true; verifiedPwd = ""; }
                            else if (currentSource === "BATCH") { triedBatch = true; }
                            else if (currentSource === "EMPTY") { triedEmpty = true; }
                        } else {
                            console.error(err);
                            failCount++; isDone = true;
                            if (progressTask) progressTask.update(`${L.str_unzipping.replace('{n}', file.name)} (${successCount + failCount} / ${items.length})`);
                        }
                    }
                }
            } catch (fatal) {
                console.error("Fatal Worker Error:", fatal);
                failCount++;
            }
        };

        for (let i = 0; i < items.length; i++) {
            while (activePromises.length >= MAX_CONCURRENCY) {
                await Promise.race(activePromises);
            }
            const p = processSingleItem(items[i], i);
            const wrappedP = p.then(() => {
                const idx = activePromises.indexOf(wrappedP);
                if (idx > -1) activePromises.splice(idx, 1);
            });
            activePromises.push(wrappedP);
        }

        await Promise.all(activePromises);

        if (successCount > 0 && !isSilentMode) {
            S.clearSelection();
            refresh();
            updateStat();
            if (window.pkSmartRefreshTrigger) window.pkSmartRefreshTrigger(true);
        }

        if (progressTask) progressTask.destroy();

        if (!isSilentMode) {
            setLoad(false);
            if (successCount > 0) {
                let msg = L.msg_unzip_batch_submitted.replace('{n}', successCount);
                if (failCount > 0) msg += " " + L.msg_unzip_batch_skipped.replace('{n}', failCount);
                if (isVirtual) msg += L.msg_unzip_check_source;
                showToast(msg);
            }
            else if (failCount > 0) {
                showToast(L.msg_unzip_fail, 'error');
            }
        }
    };

    const renderCalendar = (anchorEl, onSelect) => {
        const old = document.querySelector('.pk-cal-pop');
        if (old) old.remove();

        const pop = document.createElement('div');
        pop.className = 'pk-cal-pop';

        if (document.querySelector('.pk-ov')?.classList.contains('pk-dark')) {
            pop.classList.add('pk-dark');
        }

        pop.style.cssText = "opacity: 0; animation: none; visibility: hidden; transition: opacity 0.15s ease; z-index: 2147483647 !important; zoom: var(--pk-zoom, 1);";

        const now = new Date(getServerNow());
        const todayStart = new Date(now.getFullYear(), now.getMonth(), now.getDate()).getTime();

        let viewYear = now.getFullYear();
        let viewMonth = now.getMonth();

        const sideOpts = [
            { lbl: L.share_perm, val: -1 },
            { lbl: `7 ${L.share_days}`, val: 7 },
            { lbl: `14 ${L.share_days}`, val: 14 },
            { lbl: `30 ${L.share_days}`, val: 30 }
        ];

        const buildHTML = () => {
            const navLeft = `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="15 18 9 12 15 6"></polyline></svg>`;
            const navRight = `<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="9 18 15 12 9 6"></polyline></svg>`;

            let sideHtml = sideOpts.map(o =>
                                        `<div class="pk-cal-side-item" data-val="${o.val}">${o.lbl}</div>`
                                       ).join('');

            const monthStr = (L.cal_months || [])[viewMonth] || (viewMonth + 1 + L.unit_month);
            const headerHtml = `
                    <div class="pk-cal-nav-btn" id="cal_prev_y" title="-1Y">${navLeft}</div>
                    <div class="pk-cal-nav-btn" id="cal_prev_m" title="-1M" style="margin-right:auto;">${navLeft}</div>
                    <div style="font-weight:bold; font-size:14px;">${viewYear} ${monthStr}</div>
                    <div class="pk-cal-nav-btn" id="cal_next_m" title="+1M" style="margin-left:auto;">${navRight}</div>
                    <div class="pk-cal-nav-btn" id="cal_next_y" title="+1Y">${navRight}</div>
                `;

            const weeksHtml = (L.cal_week_days || ["S","M","T","W","T","F","S"]).map(w =>
                                                                                     `<div class="pk-cal-th">${w}</div>`
                                                                                    ).join('');

            const firstDay = new Date(viewYear, viewMonth, 1).getDay();
            const daysInMonth = new Date(viewYear, viewMonth + 1, 0).getDate();

            let daysHtml = '';
            for(let i=0; i<firstDay; i++) daysHtml += `<div></div>`;
            for(let d=1; d<=daysInMonth; d++) {
                const currentTs = new Date(viewYear, viewMonth, d).getTime();
                const isToday = currentTs === todayStart;
                const isPast = currentTs < todayStart;
                const isDisabled = isPast;

                let cls = 'pk-cal-td';
                if (isDisabled) cls += ' disabled';
                if (isToday) cls += ' today';

                daysHtml += `<div class="${cls}" data-ts="${currentTs}">${d}</div>`;
            }

            return `
                    <div class="pk-cal-side">${sideHtml}</div>
                    <div class="pk-cal-main">
                        <div style="font-weight:bold; margin-bottom:10px; font-size:14px;">${L.cal_custom_title}</div>
                        <div class="pk-cal-hd">${headerHtml}</div>
                        <div class="pk-cal-grid">
                            ${weeksHtml}
                            ${daysHtml}
                        </div>
                    </div>
                `;
        };

        const refresh = () => {
            pop.innerHTML = buildHTML();

            pop.querySelectorAll('.pk-cal-side-item').forEach(el => {
                el.onclick = (e) => {
                    e.stopPropagation();
                    const days = parseInt(el.dataset.val);
                    onSelect({ days: days, ts: null });
                    pop.remove();
                    document.removeEventListener('mousedown', onClickOutside);
                };
            });

            pop.querySelectorAll('.pk-cal-td:not(.disabled)').forEach(el => {
                el.onclick = (e) => {
                    e.stopPropagation();
                    const ts = parseInt(el.dataset.ts);
                    const diff = (ts - todayStart) / (1000 * 3600 * 24);
                    const days = Math.max(1, Math.ceil(diff));

                    onSelect({ days: days, ts: ts });
                    pop.remove();
                    document.removeEventListener('mousedown', onClickOutside);
                };
            });

            pop.querySelector('#cal_prev_y').onclick = (e) => { e.stopPropagation(); viewYear--; refresh(); };
            pop.querySelector('#cal_next_y').onclick = (e) => { e.stopPropagation(); viewYear++; refresh(); };
            pop.querySelector('#cal_prev_m').onclick = (e) => { e.stopPropagation(); viewMonth--; if(viewMonth<0){viewMonth=11;viewYear--;} refresh(); };
            pop.querySelector('#cal_next_m').onclick = (e) => { e.stopPropagation(); viewMonth++; if(viewMonth>11){viewMonth=0;viewYear++;} refresh(); };
        };

        refresh();
        document.body.appendChild(pop);

        const updatePosition = () => {
            if (!pop.isConnected) return;

            if (anchorEl.offsetParent === null) {
                cleanup();
                return;
            }

            const scale = parseFloat(document.documentElement.style.getPropertyValue('--pk-zoom')) || 1;
            const rect = getLogicalRect(anchorEl);
            let top = rect.bottom + 5;
            let left = rect.left;

            if (top + 320 > window.innerHeight / scale) top = rect.top - 320 - 5;
            if (left + 400 > window.innerWidth / scale) left = (window.innerWidth / scale) - 400 - 10;
            if (left < 10) left = 10;

            pop.style.top = top + 'px';
            pop.style.left = left + 'px';
        };

        updatePosition();

        requestAnimationFrame(() => {
            pop.style.visibility = 'visible';
            void pop.offsetHeight;
            pop.style.opacity = '1';
        });

        window.addEventListener('resize', updatePosition);
        window.addEventListener('scroll', updatePosition, true);

        const onClickOutside = (e) => {
            if (!pop || !anchorEl || !pop.parentNode) return;
            if (!pop.contains(e.target) && !anchorEl.contains(e.target)) {
                cleanup();
            }
        };

        const cleanup = () => {
            window.removeEventListener('resize', updatePosition);
            window.removeEventListener('scroll', updatePosition, true);
            document.removeEventListener('mousedown', onClickOutside);
            pop.remove();
        };

        setTimeout(() => document.addEventListener('mousedown', onClickOutside), 10);
    };

    const showShareDetail = (item) => {
        const checkIcon = `<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#52c41a" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" style="animation: pkPlayPop 0.3s ease-out;"><polyline points="20 6 9 17 4 12"></polyline></svg>`;
        const copyIcon = `<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="cursor:pointer;color:#888;"><rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path></svg>`;

        let statusColor = '#52c41a';
        let statusText = L.share_perm;

        if (item.share_status === 'EXPIRED') {
            statusColor = '#faad14'; statusText = L.str_share_expired;
        } else if (item.share_status === 'DELETED') {
            statusColor = '#ff4d4f'; statusText = L.str_share_deleted;
        } else if (item.expiration_at && item.expiration_at !== "-1") {
            statusColor = 'inherit';
            const d = new Date(item.expiration_at);
            const pad = n => String(n).padStart(2, '0');
            statusText = `${d.getFullYear()}-${pad(d.getMonth()+1)}-${pad(d.getDate())}`;
        } else if (item.share_status_text) {
            statusText = item.share_status_text;
        }

        const labelStyle = "font-size:14px; font-weight:bold; color:var(--pk-fg); margin-bottom:8px;";
        const inputWrapStyle = "display:flex; align-items:center; border:1px solid var(--pk-bd); border-radius:4px; padding:0 12px; background:var(--pk-bg); height:40px; transition:border-color 0.2s;";
        const inputStyle = "flex:1; border:none; background:transparent; outline:none; font-size:14px; color:var(--pk-fg);";
        const copyBtnStyle = "margin-left:10px; display:flex; align-items:center; justify-content:center; transition:color 0.2s;";

        const m = showModal(`
            <div class="pk-share-modal-root" style="width:420px; max-width:90vw; display:flex; flex-direction:column; overflow:hidden;">
                <div style="display: flex; align-items: center; padding: 16px 50px 16px 24px; flex-shrink:0; border-bottom: 1px solid transparent;">
                    <h3 style="margin: 0; font-size: 18px; font-weight: 700; border: none; padding: 0; line-height: 1.2; color: var(--pk-fg);">${L.title_share_detail}</h3>
                </div>

                <div class="pk-scroll" style="flex:1; overflow-y:auto; overflow-x:hidden; padding: 0 24px;">
                    <div style="margin-bottom:16px; text-align:center; padding: 0 10px;">
                        <div style="font-size:15px; font-weight:700; color:var(--pk-fg); word-break:break-all; line-height:1.4; opacity:0.9;">${esc(item.name || item.title)}</div>
                    </div>

                    <div class="pk-share-stat-box">
                        <div class="pk-share-stat-item">
                            <div class="pk-share-stat-val">${item.view_count || 0}</div>
                            <div class="pk-share-stat-lbl">${L.lbl_share_view}</div>
                        </div>
                        <div class="pk-share-stat-item">
                            <div class="pk-share-stat-val">${item.save_count || 0}</div>
                            <div class="pk-share-stat-lbl">${L.lbl_share_save}</div>
                        </div>
                    </div>

                <div style="margin-bottom:20px;">
                    <div style="${labelStyle}">${L.lbl_share_link_title}</div>
                    <div class="pk-share-input-wrap" style="${inputWrapStyle}">
                        <a href="${item.share_url}" target="_blank" style="flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; text-decoration:underline; color:var(--pk-fg); font-size:14px;">${item.share_url}</a>
                        <div class="pk-copy-btn" data-val="${item.share_url}" style="${copyBtnStyle}" data-pk-tip="${L.btn_copy}">${copyIcon}</div>
                    </div>
                </div>

                <div style="margin-bottom:20px;">
                    <div style="${labelStyle}">${L.lbl_share_pwd_title}</div>
                    <div class="pk-share-input-wrap" style="${inputWrapStyle}">
                        <input type="text" id="pk_share_pwd_edit" value="${item.pass_code || ''}" style="${inputStyle}" placeholder="${L.str_no_pwd}">
                        <div class="pk-copy-btn" id="pk_copy_pwd" data-val="${item.pass_code || ''}"
                             style="${copyBtnStyle}; display: ${item.pass_code ? 'flex' : 'none'};"
                             data-pk-tip="${L.btn_copy}">${copyIcon}</div>
                    </div>
                </div>

                <div style="margin-bottom:20px;">
                    <div style="${labelStyle}">${L.share_count_ed}</div>
                    <div class="pk-share-input-wrap" id="pk_share_limit_edit" style="${inputWrapStyle}; cursor:pointer;">
                        <input type="text" id="pk_share_limit_val" readonly
                               style="${inputStyle}; cursor:pointer; color:var(--pk-fg);"
                               value="${item.limit_count > 0 ? (item.limit_count + ' ' + L.share_times) : L.share_unlimit}">
                        <div style="${copyBtnStyle}">${CONF.crumbIcons.right}</div>
                    </div>
                </div>

                <div style="margin-bottom:20px;">
                    <div style="${labelStyle}">${L.lbl_share_expire_title}</div>
                    <div class="pk-share-input-wrap" id="pk_share_exp_edit" style="${inputWrapStyle}; cursor:pointer;">
                        <input type="text" id="pk_share_exp_val" readonly
                               style="${inputStyle}; cursor:pointer; color:var(--pk-fg);"
                               value="${statusText}">
                        <div style="${copyBtnStyle}">${CONF.crumbIcons.right}</div>
                    </div>
                </div>

                <div style="margin-bottom:30px;">
                    <div style="${labelStyle}">${L.lbl_share_code_title}</div>
                    <div id="pk_phrase_list_container" style="border:1px solid var(--pk-bd); border-radius:6px; background:var(--pk-bg); overflow:hidden;">
                        <div id="pk_phrase_rows"></div>
                        <div id="pk_btn_add_phrase" style="display:flex; align-items:center; gap:8px; color:var(--pk-pri); font-size:14px; height:44px; padding:0 12px; cursor:pointer; background:var(--pk-bg); transition:background 0.2s;" onmouseover="this.style.background='var(--pk-hl)'" onmouseout="this.style.background='var(--pk-bg)'">
                            <svg width="18" height="18" viewBox="0 0 24 24" fill="currentColor"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm5 11h-4v4h-2v-4H7v-2h4V7h2v4h4v2z"/></svg>
                            <span>${L.btn_add_share_code}</span>
                        </div>
                    </div>
                </div>

                <div class="pk-share-footer" style="flex-shrink:0; margin-top:0; padding: 20px 24px 24px 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px;">
                    <button id="pk_detail_cancel" class="pk-btn-quiet-red" style="width: 100%; height: 40px; display: flex; align-items: center; justify-content: center; margin: 0; border: none; background: rgba(217, 48, 37, 0.08); font-size: 14px; font-weight: 600; border-radius: 8px; cursor: pointer; transition: background 0.2s;">
                        ${L.btn_cancel_share}
                    </button>
                    <button id="pk_detail_copy_all" class="pk-btn-primary-action" style="width: 100%; height: 40px; display: flex; align-items: center; justify-content: center; margin: 0; border-radius: 8px;">
                        ${item.pass_code ? L.btn_copy_link_pwd : L.btn_copy_link}
                    </button>
                </div>
            </div>
        `);

        const modalContainer = m.querySelector('.pk-modal');
        if (modalContainer) {
            modalContainer.style.padding = '0';
            modalContainer.style.width = 'fit-content';
            modalContainer.style.display = 'flex';
            modalContainer.style.flexDirection = 'column';
            modalContainer.style.overflow = 'hidden';
            modalContainer.style.maxHeight = '600px';
        }

        m.querySelectorAll('.pk-copy-btn').forEach(btn => {
            btn.onclick = (e) => {
                const val = btn.getAttribute('data-val');
                if(!val) return;
                GM_setClipboard(val);
                const originalSvg = btn.innerHTML;
                btn.innerHTML = `<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#52c41a" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>`;
                setTimeout(() => btn.innerHTML = originalSvg, 1500);
            };
        });

        const pwdField = m.querySelector('#pk_share_pwd_edit');
        const pwdCopyBtn = m.querySelector('#pk_copy_pwd');

        pwdField.readOnly = true;
        pwdField.style.cursor = 'pointer';

        pwdField.onclick = () => {
            const subM = document.createElement('div');
            subM.className = 'pk-modal-ov';
            subM.style.zIndex = (++modalZIndexCounter).toString();
            if (document.querySelector('.pk-ov').classList.contains('pk-dark')) subM.classList.add('pk-dark');
            subM.innerHTML = `
                <div class="pk-modal" style="width:340px; padding:24px; border-radius:12px; box-shadow: 0 8px 30px rgba(0,0,0,0.3);">
                    <div class="pk-modal-close">${CONF.icons.close}</div>
                    <h3 style="border:none; margin:0 0 16px 0; font-size:16px; font-weight:700; color:var(--pk-fg);">${L.title_edit_pwd}</h3>
                    <div class="pk-field">
                        <input type="text" id="pk_new_pwd_input" placeholder="${L.ph_edit_pwd}"
                               style="height:44px; font-size:14px; border:1px solid var(--pk-pri); border-radius:6px; background:var(--pk-bg); color:var(--pk-fg); padding:0 12px; outline:none;"
                               value="${item.pass_code || ''}" autocomplete="off">
                    </div>
                    <div id="pk_close_pwd_row" style="display:${item.pass_code ? 'flex' : 'none'}; align-items:center; gap:8px; margin-top:12px; cursor:pointer; color:var(--pk-pri); font-size:14px; width:fit-content; transition:opacity 0.2s;" onmouseover="this.style.opacity=0.8" onmouseout="this.style.opacity=1">
                        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><line x1="4.93" y1="4.93" x2="19.07" y2="19.07"/></svg>
                        <span>${L.btn_close_pwd}</span>
                    </div>
                    <div style="display:flex; justify-content:flex-end; align-items:center; margin-top:24px; gap:20px;">
                        <span id="pk_edit_pwd_cancel" style="cursor:pointer; color:#888; font-size:14px; font-weight:500;">${L.btn_cancel}</span>
                        <button class="pk-btn pri" id="pk_edit_pwd_save" disabled
                                style="height:36px; padding:0 24px; border-radius:6px; background:var(--pk-pri); border:none; color:#fff; font-weight:600; transition:all 0.2s; opacity: 0.4; cursor: not-allowed;">${L.btn_save}</button>
                    </div>
                </div>
            `;
            document.body.appendChild(subM);

            const input = subM.querySelector('#pk_new_pwd_input');
            const saveBtn = subM.querySelector('#pk_edit_pwd_save');
            input.focus();

            const validate = () => {
                const val = input.value.trim();
                const isValid = /^[a-zA-Z0-9]{4,10}$/.test(val);
                saveBtn.disabled = !isValid;
                saveBtn.style.opacity = isValid ? '1' : '0.4';
                saveBtn.style.cursor = isValid ? 'pointer' : 'not-allowed';
                return isValid;
            };

            input.oninput = validate;
            validate();

            const closeBtn = subM.querySelector('#pk_close_pwd_row');
            closeBtn.onclick = async (e) => {
                e.stopPropagation();
                closeBtn.style.pointerEvents = 'none';
                closeBtn.style.opacity = '0.5';
                try {
                    await apiUpdateShare(item.id, {
                        pass_code_option: 'NOT_REQUIRED'
                    });

                    item.pass_code = "";

                    pwdField.value = L.str_no_pwd;
                    pwdCopyBtn.setAttribute('data-val', "");

                    pwdCopyBtn.style.display = 'none';
                    const mainCopyBtn = m.querySelector('#pk_detail_copy_all');
                    if (mainCopyBtn) mainCopyBtn.textContent = L.btn_copy_link;

                    renderVisible();

                    subM.remove();

                    const toast = document.createElement('div');
                    toast.style.cssText = "position:absolute; top:180px; left:50%; transform:translateX(-50%); width:max-content; background:var(--pk-toast-bg); color:var(--pk-toast-fg); padding:10px 24px; border-radius:8px; font-size:14px; font-weight:600; z-index:10007; pointer-events:none; box-shadow:0 8px 24px var(--pk-tip-sd); border:1px solid var(--pk-toast-bd);";
                    toast.textContent = L.msg_pwd_updated;
                    m.querySelector('.pk-modal').appendChild(toast);
                    setTimeout(() => toast.remove(), 1200);
                } catch (err) {
                    showAlert(err.message);
                    closeBtn.style.pointerEvents = 'auto';
                    closeBtn.style.opacity = '1';
                }
            };

            const doSave = async () => {
                const newPwd = input.value.trim();
                const oldPwd = item.pass_code || '';
                if (!validate() || newPwd === oldPwd) { if(newPwd === oldPwd) subM.remove(); return; }

                saveBtn.disabled = true;
                saveBtn.style.opacity = '0.7';
                saveBtn.textContent = "...";

                try {
                    await apiUpdateShare(item.id, {
                        pass_code_option: 'REQUIRED',
                        custom_pass_code: newPwd
                    });

                    item.pass_code = newPwd;

                    pwdField.value = newPwd;
                    pwdCopyBtn.setAttribute('data-val', newPwd);

                    pwdCopyBtn.style.setProperty('display', 'flex', 'important');
                    const mainCopyBtn = m.querySelector('#pk_detail_copy_all');
                    if (mainCopyBtn) mainCopyBtn.textContent = L.btn_copy_link_pwd;

                    renderVisible();

                    subM.remove();

                    const toast = document.createElement('div');
                    toast.style.cssText = "position:absolute; top:180px; left:50%; transform:translateX(-50%); width:max-content; background:var(--pk-toast-bg); color:var(--pk-toast-fg); padding:10px 24px; border-radius:8px; font-size:14px; font-weight:600; z-index:10007; pointer-events:none; box-shadow:0 8px 24px var(--pk-tip-sd); border:1px solid var(--pk-toast-bd);";
                    toast.textContent = L.msg_pwd_updated;
                    m.querySelector('.pk-modal').appendChild(toast);
                    setTimeout(() => toast.remove(), 1200);
                } catch (e) {
                    showAlert(`${L.str_error}: ${e.message}`);
                    saveBtn.disabled = false;
                    saveBtn.style.opacity = '1';
                    saveBtn.textContent = L.btn_save;
                }
            };

            saveBtn.onclick = doSave;
            subM.querySelector('#pk_edit_pwd_cancel').onclick = () => subM.remove();
            subM.querySelector('.pk-modal-close').onclick = () => subM.remove();
            input.onkeydown = (e) => { if(e.key === 'Enter') doSave(); if(e.key === 'Escape') { e.stopPropagation(); subM.remove(); } };
        };

        const phraseRowsContainer = m.querySelector('#pk_phrase_rows');
        const btnAddPhrase = m.querySelector('#pk_btn_add_phrase');
        let localPhrases = [];

        const renderPhraseRows = () => {
            if (!phraseRowsContainer) return;
            phraseRowsContainer.innerHTML = localPhrases.map(p => `
                <div class="pk-phrase-row" data-val="${esc(p)}" style="display:flex; align-items:center; width:100%; height:44px; padding:0 12px; border-bottom:1px solid var(--pk-bd); cursor:pointer; transition:background 0.1s; background:var(--pk-bg);">
                    <div style="flex:1; border:none; background:transparent; outline:none; font-size:14px; color:var(--pk-fg); font-weight:bold; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;">${esc(p)}</div>
                    <div class="pk-copy-btn" data-val="${esc(p)}" style="margin-left:10px; display:flex; align-items:center; justify-content:center; cursor:pointer; color:#888;" data-pk-tip="${L.btn_copy}">
                        <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path></svg>
                    </div>
                </div>
            `).join('');

            phraseRowsContainer.querySelectorAll('.pk-phrase-row').forEach(row => {
                row.onclick = (e) => {
                    const copyBtn = e.target.closest('.pk-copy-btn');
                    if (copyBtn) {
                        const val = copyBtn.dataset.val;
                        GM_setClipboard(val);

                        const originalHtml = copyBtn.innerHTML;
                        copyBtn.innerHTML = `<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#52c41a" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>`;

                        setTimeout(() => {
                            if (copyBtn.isConnected) {
                                copyBtn.innerHTML = originalHtml;
                            }
                        }, 1500);
                        return;
                    }
                    openPhraseEditModal(row.dataset.val);
                };

                row.onmouseenter = () => row.style.background = 'var(--pk-hl)';
                row.onmouseleave = () => row.style.background = 'var(--pk-bg)';
            });
        };

        const openPhraseEditModal = (oldVal = "") => {
            const subM = document.createElement('div');
            subM.className = 'pk-modal-ov';
            subM.style.zIndex = (++modalZIndexCounter).toString();
            if (document.querySelector('.pk-ov').classList.contains('pk-dark')) subM.classList.add('pk-dark');
            subM.innerHTML = `
                <div class="pk-modal" style="width:340px; padding:24px; border-radius:12px; box-shadow: 0 8px 30px rgba(0,0,0,0.3);">
                    <div class="pk-modal-close">${CONF.icons.close}</div>
                    <h3 style="border:none; margin:0 0 16px 0; font-size:16px; font-weight:700; color:var(--pk-fg);">${oldVal ? L.title_edit_share_code : L.btn_add_share_code}</h3>
                    <div class="pk-field">
                        <input type="text" id="pk_new_phrase_input" placeholder="${L.ph_edit_share_code}"
                               style="height:44px; font-size:14px; border:1px solid var(--pk-pri); border-radius:6px; background:var(--pk-bg); color:var(--pk-fg); padding:0 12px; outline:none;"
                               value="${oldVal || ''}" autocomplete="off">
                    </div>
                    <div id="pk_del_phrase_row" style="display:${oldVal ? 'flex' : 'none'}; align-items:center; gap:8px; margin-top:12px; cursor:pointer; color:var(--pk-pri); font-size:14px; width:fit-content; transition:opacity 0.2s;" onmouseover="this.style.opacity=0.8" onmouseout="this.style.opacity=1">
                        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><line x1="4.93" y1="4.93" x2="19.07" y2="19.07"/></svg>
                        <span>${L.btn_del_share_code}</span>
                    </div>
                    <div style="display:flex; justify-content:flex-end; align-items:center; margin-top:24px; gap:20px;">
                        <span id="pk_edit_phrase_cancel" style="cursor:pointer; color:#888; font-size:14px; font-weight:500;">${L.btn_cancel}</span>
                        <button class="pk-btn pri" id="pk_edit_phrase_save" disabled
                                style="height:36px; padding:0 24px; border-radius:6px; background:var(--pk-pri); border:none; color:#fff; font-weight:600; transition:all 0.2s; opacity: 0.4; cursor: not-allowed;">${L.btn_save}</button>
                    </div>
                </div>
            `;
            document.body.appendChild(subM);

            const input = subM.querySelector('#pk_new_phrase_input');
            const saveBtn = subM.querySelector('#pk_edit_phrase_save');
            input.focus();

            const validate = () => {
                const val = input.value.trim();
                const isValid = val.length >= 5 && val.length <= 18;
                saveBtn.disabled = !isValid;
                saveBtn.style.opacity = isValid ? '1' : '0.4';
                saveBtn.style.cursor = isValid ? 'pointer' : 'not-allowed';
                return isValid;
            };

            input.oninput = validate;
            validate();

            const doRequest = async (newVal) => {
                saveBtn.disabled = true;
                saveBtn.style.opacity = '0.7';
                saveBtn.textContent = "...";

                try {
                    await apiUpdateSharePhrase(item.id, newVal, oldVal);

                    if (!newVal) {
                        localPhrases = localPhrases.filter(x => x !== oldVal);
                    } else if (!oldVal) {
                        localPhrases.push(newVal);
                    } else {
                        localPhrases = localPhrases.map(x => x === oldVal ? newVal : x);
                    }

                    subM.remove();
                    renderPhraseRows();
                    renderVisible();

                    const toast = document.createElement('div');
                    toast.style.cssText = "position:absolute; top:180px; left:50%; transform:translateX(-50%); width:max-content; background:var(--pk-toast-bg); color:var(--pk-toast-fg); padding:10px 24px; border-radius:8px; font-size:14px; font-weight:600; z-index:10007; pointer-events:none; box-shadow:0 8px 24px var(--pk-tip-sd); border:1px solid var(--pk-toast-bd);";
                    toast.textContent = L.msg_share_code_updated;
                    m.querySelector('.pk-modal').appendChild(toast);
                    setTimeout(() => toast.remove(), 1200);

                } catch (err) {
                    showAlert(err.message);
                    saveBtn.disabled = false;
                    saveBtn.style.opacity = '1';
                    saveBtn.textContent = L.btn_save;
                }
            };

            saveBtn.onclick = () => { if(validate()) doRequest(input.value.trim()); };
            const delBtn = subM.querySelector('#pk_del_phrase_row');
            if (delBtn) delBtn.onclick = () => doRequest("");
            subM.querySelector('#pk_edit_phrase_cancel').onclick = () => subM.remove();
            subM.querySelector('.pk-modal-close').onclick = () => subM.remove();
            input.onkeydown = (ev) => {
                if(ev.key === 'Enter') { if(validate()) saveBtn.onclick(); }
                if(ev.key === 'Escape') { ev.stopPropagation(); subM.remove(); }
            };
        };

        if (btnAddPhrase) btnAddPhrase.onclick = () => openPhraseEditModal("");

        apiGetSharePhrases(item.id).then(list => {
            localPhrases = list;
            renderPhraseRows();
        });



        const limitField = m.querySelector('#pk_share_limit_edit');
        const limitInput = m.querySelector('#pk_share_limit_val');

        limitField.onclick = () => {
            const currentSave = parseInt(item.save_count || 0);
            const currentLimit = parseInt(item.limit_count || 0);
            const subM = document.createElement('div');
            subM.className = 'pk-modal-ov';
            subM.style.zIndex = (++modalZIndexCounter).toString();
            if (document.querySelector('.pk-ov').classList.contains('pk-dark')) subM.classList.add('pk-dark');
            subM.innerHTML = `
                <div class="pk-modal" style="width:340px; padding:24px; border-radius:12px; box-shadow: 0 8px 30px rgba(0,0,0,0.3);">
                    <div class="pk-modal-close">${CONF.icons.close}</div>
                    <h3 style="border:none; margin:0 0 24px 0; font-size:16px; font-weight:700; color:var(--pk-fg);">${L.share_count_ed}</h3>

                    <div class="pk-s-opts" style="flex-direction:column; align-items:flex-start; gap:16px;">
                        <div style="display:flex; gap:15px; width:100%;">
                            <label class="pk-s-opt"><input type="radio" name="sh_mod_cnt" value="-1" ${currentLimit===0?'checked':''}> ${L.share_unlimit}</label>
                            <label class="pk-s-opt"><input type="radio" name="sh_mod_cnt" value="100" ${currentLimit===100?'checked':''}> 100${L.share_times}</label>
                        </div>
                        <div style="display:flex; align-items:center; gap:10px; width:100%;">
                            <label class="pk-s-opt" style="flex-shrink:0;"><input type="radio" name="sh_mod_cnt" value="custom" ${![0,100].includes(currentLimit)?'checked':''}> ${L.share_custom}</label>
                            <div style="position:relative; flex:1;">
                                <input type="number" id="sh_mod_cnt_val" class="pk-s-input"
                                       value="${currentLimit > 0 ? currentLimit : ''}"
                                       placeholder="> ${currentSave}"
                                       style="width:100%; height:36px; padding-right:32px;" ${![0,100].includes(currentLimit)?'':'disabled'}>
                                <div class="pk-num-ctrl">
                                    <div class="pk-num-btn" id="sh_cnt_inc">${CONF.crumbIcons.down.replace('points="6 9 12 15 18 9"', 'points="18 15 12 9 6 15"')}</div>
                                    <div class="pk-num-btn" id="sh_cnt_dec">${CONF.crumbIcons.down}</div>
                                </div>
                            </div>
                        </div>
                    </div>

                    <div style="display:flex; justify-content:flex-end; align-items:center; margin-top:24px; gap:20px;">
                        <span id="pk_mod_cnt_cancel" style="cursor:pointer; color:#888; font-size:14px; font-weight:500;">${L.btn_cancel}</span>
                        <button class="pk-btn pri" id="pk_mod_cnt_save"
                                style="height:36px; padding:0 24px; border-radius:6px; background:var(--pk-pri); border:none; color:#fff; font-weight:600; transition:all 0.2s;">${L.btn_save}</button>
                    </div>
                </div>
            `;
            document.body.appendChild(subM);

            const radios = subM.querySelectorAll('input[name="sh_mod_cnt"]');
            const input = subM.querySelector('#sh_mod_cnt_val');
            const saveBtn = subM.querySelector('#pk_mod_cnt_save');

            const ctrl = subM.querySelector('.pk-num-ctrl');
            const updateCtrlState = () => {
                ctrl.style.opacity = input.disabled ? '0.3' : '1';
                ctrl.style.pointerEvents = input.disabled ? 'none' : 'auto';
                ctrl.style.cursor = input.disabled ? 'not-allowed' : 'default';
            };

            radios.forEach(r => r.onchange = () => {
                input.disabled = r.value !== 'custom';
                if (!input.disabled) input.focus();
                updateCtrlState();
            });

            updateCtrlState();

            subM.querySelector('#sh_cnt_inc').onclick = (e) => {
                if (input.disabled) return;
                e.stopPropagation();
                input.value = (parseInt(input.value) || currentSave) + 1;
                validate();
            };
            subM.querySelector('#sh_cnt_dec').onclick = (e) => {
                if (input.disabled) return;
                e.stopPropagation();
                input.value = Math.max(currentSave + 1, (parseInt(input.value) || (currentSave + 2)) - 1);
                validate();
            };

            const doSave = async () => {
                const rVal = subM.querySelector('input[name="sh_mod_cnt"]:checked').value;
                let newLimit = 0;
                if (rVal === 'custom') {
                    const val = parseInt(input.value);
                    if (isNaN(val) || val <= 0) {
                        input.style.borderColor = '#d93025'; return;
                    }
                    newLimit = val;
                } else {
                    newLimit = parseInt(rVal);
                    if (newLimit === -1) newLimit = 0;
                }

                if (newLimit > 0 && newLimit <= currentSave) {
                    showToast(L.err_limit_too_low.replace('{n}', newLimit).replace('{s}', currentSave), 'error');
                    if(input.disabled) input.value = currentSave + 1;
                    return;
                }

                saveBtn.textContent = "...";
                saveBtn.disabled = true;

                item.limit_count = newLimit;

                const store = JSON.parse(gmGet('pk_share_limits', '{}'));
                if (newLimit > 0) {
                    store[item.id] = newLimit;
                } else {
                    delete store[item.id];
                }
                gmSet('pk_share_limits', JSON.stringify(store));

                if (newLimit === 0) {
                    limitInput.value = L.share_unlimit;
                } else {
                    limitInput.value = `${newLimit} ${L.share_times}`;
                }
                limitInput.style.color = 'var(--pk-fg)';

                renderVisible();

                if (window.pkSmartRefreshTrigger) {
                    window.pkSmartRefreshTrigger(true);
                }

                setTimeout(() => {
                    subM.remove();
                    showToast(L.msg_limit_updated);
                }, 200);
            };

            subM.querySelector('#pk_mod_cnt_cancel').onclick = () => subM.remove();
            subM.querySelector('.pk-modal-close').onclick = () => subM.remove();
            saveBtn.onclick = doSave;
            input.onkeydown = (e) => { if(e.key === 'Enter') doSave(); };
        };

        const expField = m.querySelector('#pk_share_exp_edit');
        const expInput = m.querySelector('#pk_share_exp_val');

        expField.onclick = (e) => {
            e.stopPropagation();
            const existing = document.querySelector('.pk-cal-pop');
            if (existing) { existing.remove(); return; }

            renderCalendar(expField, async (res) => {
                const selectedDays = res.days;
                if (selectedDays === null) return;

                const originalText = expInput.value;
                expInput.value = "...";

                try {
                    const payload = {};
                    let newText = "";
                    let newStatusLeft = "";

                    if (selectedDays === -1) {
                        payload.expiration_at = "-1";
                        newText = L.share_perm;
                        newStatusLeft = "-1";
                    } else {
                        const d = res.ts ? new Date(res.ts) : new Date(getServerNow() + selectedDays * 24 * 3600 * 1000);
                        const pad = n => String(n).padStart(2, '0');
                        const ds = `${d.getFullYear()}-${pad(d.getMonth()+1)}-${pad(d.getDate())}`;
                        payload.expiration_at = `${ds}T23:59:59.000+08:00`;
                        newText = res.ts ? ds : (selectedDays + L.share_days);

                        if (res.ts) {
                            const diff = Math.max(1, Math.ceil((res.ts - new Date(getServerNow()).setHours(0,0,0,0)) / (1000 * 3600 * 24)));
                            newStatusLeft = diff + L.unit_days.trim();
                        } else {
                            newStatusLeft = selectedDays + L.share_days;
                        }
                    }

                    await apiUpdateShare(item.id, payload);

                    item.expiration_days = selectedDays;
                    item.expiration_at = payload.expiration_at;
                    item.expiration_left = newStatusLeft;

                    expInput.value = newText;
                    expInput.style.color = 'var(--pk-fg)';

                    renderVisible();

                    const toast = document.createElement('div');
                    toast.style.cssText = "position:absolute; top:180px; left:50%; transform:translateX(-50%); width:max-content; background:var(--pk-toast-bg); color:var(--pk-toast-fg); padding:10px 24px; border-radius:8px; font-size:14px; font-weight:600; z-index:10007; pointer-events:none; box-shadow:0 8px 24px var(--pk-tip-sd); border:1px solid var(--pk-toast-bd);";
                    toast.textContent = L.msg_exp_updated;
                    m.querySelector('.pk-modal').appendChild(toast);
                    setTimeout(() => toast.remove(), 1200);
                } catch (err) {
                    showAlert(`${L.str_error}: ${err.message}`);
                    expInput.value = originalText;
                }
            });
        };

        m.querySelector('#pk_detail_cancel').onclick = async () => {
            if (await showConfirm(L.msg_cancel_share_confirm.replace('{n}', 1))) {
                setLoad(true);
                try {
                    await apiCancelShare([item.id]);
                    m.remove();
                    showAlert(L.msg_cancel_share_done.replace('{n}', 1));
                    load(false, true);
                } catch (e) {
                    setLoad(false);
                    showAlert(`${L.str_error}: ${e.message}`);
                }
            }
        };

        m.querySelector('#pk_detail_copy_all').onclick = () => {
            const url = item.share_url;
            const pwd = item.pass_code || '';
            const title = item.name || item.title;

            let text = url + '\n';
            if (pwd) text += `${L.share_copy_pwd}: ${pwd}\n`;
            text += `${title}\n${L.share_copy_suffix}`;

            GM_setClipboard(text);

            const btn = m.querySelector('#pk_detail_copy_all');
            const orgTxt = btn.textContent;
            btn.textContent = L.msg_copy_success;
            const originalColor = btn.style.backgroundColor;
            const originalBorder = btn.style.borderColor;
            btn.style.backgroundColor = "#52c41a";
            btn.style.borderColor = "#52c41a";

            setTimeout(() => {
                btn.textContent = orgTxt;
                btn.style.backgroundColor = originalColor;
                btn.style.borderColor = originalBorder;
            }, 1500);
        };
    };

    UI.btnCancelShare.onclick = async () => {
        const selectedIds = S.getSelectedIds();
        const n = selectedIds.length;
        if (n === 0) return;

        if (!await showConfirm(L.msg_cancel_share_confirm.replace('{n}', n))) return;

        setLoad(true);
        updateLoadTxt(L.msg_cancel_share_ing);

        try {
            const selectedItems = selectedIds.map(id => S.itemMap.get(id)).filter(Boolean);
            const serverIds = selectedItems.filter(it => !it._is_local_phantom).map(it => it.id);
            const phantomIds = selectedItems.filter(it => it._is_local_phantom).map(it => it.id);

            if (serverIds.length > 0) {
                await apiCancelShare(serverIds);
            }

            if (phantomIds.length > 0) {
                const graveyard = JSON.parse(gmGet('pk_expired_shares', '[]'));
                const newGraveyard = graveyard.filter(x => !phantomIds.includes(x.id));
                gmSet('pk_expired_shares', JSON.stringify(newGraveyard));
            }

            S.clearSelection();

            await load(false, true);

            showToast(L.msg_cancel_share_done.replace('{n}', n));
        } catch (e) {
            showAlert(`${L.str_error}: ${e.message}`);
        } finally {
            setLoad(false);
        }
    };

    if (UI.btnCopyLinkOffline) {
        UI.btnCopyLinkOffline.onclick = () => {
            const ids = S.getSelectedIds();
            if (ids.length === 0) return;
            const tasks = ids.map(id => S.itemMap.get(id)).filter(t => t && (t.source_url || (t.params && t.params.url)));
            if (tasks.length === 0) return;
            const urls = tasks.map(t => t.source_url || t.params.url).join('\n');
            GM_setClipboard(urls);
            showToast(L.msg_copy_success);
        };
    }

    if (UI.btnRetryTask) {
        UI.btnRetryTask.onclick = async () => {
            const ids = S.getSelectedIds();
            if (ids.length === 0) return;

            const targets = ids.map(id => S.itemMap.get(id))
                               .filter(t => t && t.phase === 'PHASE_TYPE_ERROR' && (t.source_url || (t.params && t.params.url)));

            if (targets.length === 0) {
                showToast(L.err_no_failed_task, "error");
                return;
            }

            setLoad(true);
            updateLoadTxt(L.str_processing);

            let successCount = 0;

            try {
                for (const task of targets) {
                    const url = task.source_url || task.params.url;
                    try {
                        await apiAddOfflineTask(url);
                        await apiCancelTask([task.id]);
                        successCount++;
                        if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;
                    } catch (e) {
                        console.error(`[Retry] Failed for ${task.name}:`, e);
                        if (e.message && e.message.includes(L.err_task_exists)) {
                            await apiCancelTask([task.id]).catch(()=>{});
                            successCount++;
                        }
                    }
                    await sleep(150);
                }

                await load(false, true);

                showToast(L.msg_retry_submitted.replace('{n}', successCount));

            } catch (e) {
                showAlert(`${L.str_error}: ${e.message}`);
            } finally {
                setLoad(false);
                S.clearSelection();
                updateStat();
            }
        };
    }

    UI.btnMigrate.onclick = async () => {
        const selectedIds = S.getSelectedIds();
        const selectedCount = selectedIds.length;
        if (selectedCount === 0) return;
        const L = getStrings();

        const hasConflict = selectedIds.some(id => {
            const item = S.itemMap.get(id);
            if (item && item.kind === 'drive#folder') return isPathBusy(item.id);
            return S.movingIds.has(id);
        });
        if (hasConflict) {
            showAlert(L.msg_op_blocked_moving);
            return;
        }

        if (selectedCount > 100) {
            showToast(L.err_migrate_limit, 'error');
            return;
        }

        const estimatedSize = JSON.stringify(selectedIds).length;
        if (estimatedSize > 3.8 * 1024 * 1024) {
            const mb = (estimatedSize / 1024 / 1024).toFixed(2);
            showAlert(L.err_migrate_too_many.replace('{s}', mb));
            return;
        }

        if (!await showConfirm(L.msg_migrate_confirm.replace('{n}', selectedCount))) return;

        setLoad(true);
        updateLoadTxt(L.msg_migrate_packing);

        try {
            let sourceUid = "";
            for (let i = 0; i < localStorage.length; i++) {
                const k = localStorage.key(i);
                if (k && k.startsWith('credentials')) {
                    try {
                        const v = JSON.parse(localStorage.getItem(k));
                        if (v && v.sub) { sourceUid = v.sub; break; }
                    } catch {}
                }
            }
            if (!sourceUid) sourceUid = "UNKNOWN_UID_" + Date.now();

            const randPass = Math.random().toString(36).slice(-5) + Math.random().toString(36).slice(-5).toUpperCase();

            const payload = {
                file_ids: selectedIds,
                share_to: 'encryptedlink',
                expiration_days: 1,
                pass_code_option: 'REQUIRED',
                custom_pass_code: randPass,
                limit_count: 1
            };

            const res = await fetch(`https://api-drive.mypikpak.com/drive/v1/share`, {
                method: 'POST',
                headers: getHeaders(),
                body: JSON.stringify(payload)
            });

            if (!res.ok) {
                const err = await res.json().catch(() => ({}));
                if (res.status === 403 || res.status === 400) {
                    throw new Error(L.err_migrate_ban);
                }
                throw new Error(err.error_description || `API Error ${res.status}`);
            }

            const data = await res.json();

            const stub = {
                source_uid: sourceUid,
                share_id: data.share_id,
                pass_code: randPass,
                file_count: selectedCount,
                file_ids: selectedIds,
                timestamp: Date.now()
            };

            gmSet('pk_migration_stub', JSON.stringify(stub));

            try {
                const store = JSON.parse(gmGet('pk_share_limits', '{}'));
                store[data.share_id] = 1;
                gmSet('pk_share_limits', JSON.stringify(store));
            } catch(e) {}

            setLoad(false);
            await showAlert(L.msg_migrate_ready, L.btn_migrate);

            const keysToRemove = [];
            for (let i = 0; i < localStorage.length; i++) {
                const k = localStorage.key(i);
                if (k && (k.startsWith('credentials') || k.startsWith('captcha') || k === 'pk_captured_captcha')) {
                    keysToRemove.push(k);
                }
            }
            keysToRemove.forEach(k => localStorage.removeItem(k));
            if (typeof purgeAllCachesOnLogout === 'function') purgeAllCachesOnLogout();
            if (!location.href.includes('/login')) window.location.href = 'https://mypikpak.com/drive/login';

        } catch (e) {
            setLoad(false);
            showAlert(`${L.str_error}: ${e.message}`);
        }
    };

    UI.btnUnzip.onclick = async () => {
        ensureItemMap();
        const isArchive = (it) => {
            if (!it || it.kind === 'drive#folder') return false;
            const n = (it.name || '').toLowerCase();
            const m = (it.mime_type || '').toLowerCase();
            return m.includes('zip') || m.includes('rar') || m.includes('7z') ||
                   m.includes('compressed') || m.includes('archive') ||
                   n.endsWith('.zip') || n.endsWith('.rar') || n.endsWith('.7z') || n.endsWith('.tar') || n.endsWith('.gz');
        };
        const rawTargets = S.getSelectedIds().map(id => S.itemMap.get(id)).filter(i => isArchive(i));

        const existingFolderNames = new Set(
            S.items.filter(i => i.kind === 'drive#folder').map(i => i.name)
        );

        const targets = rawTargets.filter(item => {
            if (rawTargets.length === 1) return true;

            const isMarkedUnzipped = item.params && (item.params.global_file_kind === '1' || item.params.global_file_root);
            if (!isMarkedUnzipped) return true;
            let targetFolderName = item.name;
            const lastDot = targetFolderName.lastIndexOf('.');
            if (lastDot > 0) targetFolderName = targetFolderName.substring(0, lastDot);
            return !existingFolderNames.has(targetFolderName);
        });

        const skippedItems = rawTargets.filter(item => !targets.includes(item));
        const skippedCount = skippedItems.length;

        if (skippedCount > 0) {
            const delRes = await showDeleteConfirm(L.msg_unzip_skip_del_confirm.replace('{n}', skippedCount));
            if (delRes.confirm) {
                const idsToDelete = skippedItems.map(i => i.id);
                await executeBatchDelete(idsToDelete, { silent: true, forceRefresh: false, hardDelete: delRes.hardDelete });
                showToast(L.msg_del_items_done.replace('{n}', skippedCount));
            } else {
                showToast(L.msg_skip_unzipped.replace('{n}', skippedCount));
            }
        }

        if (targets.length === 1) {
            handleOpenArchive(targets[0]);
        } else if (targets.length > 1) {
            handleUnzip(targets);
        }
    };

    ctx.querySelector('#ctx-share').onclick = async () => {
        ctx.style.display = 'none';
        const ids = S.getSelectedIds();
        if (ids.length === 0) return;

        if (ids.length > 100) {
            showToast(L.err_share_limit, 'error');
            return;
        }

        const item = S.itemMap.get(ids[0]);
        if (!item) return;

        const m = showModal(`
            <div class="pk-share-modal">
                <div style="display: flex; align-items: center; padding: 16px 50px 0 24px; min-height: 30px;">
                    <h3 style="margin: 0; font-size: 18px; font-weight: 600; border: none; padding: 0; line-height: 1.2;">${L.share_title}</h3>
                </div>

                <div class="pk-s-sec" style="margin-top: 20px;">
                    <div class="pk-s-lbl">${L.share_mode}</div>
                    <div class="pk-s-tabs" id="sh_mode_tabs">
                        <div class="pk-s-tab act" data-val="public">${L.share_public}</div>
                        <div class="pk-s-tab" data-val="encrypted">${L.share_encrypted}</div>
                    </div>
                </div>

                <div class="pk-s-sec">
                    <div class="pk-s-lbl">${L.share_expiry}</div>
                    <div class="pk-s-opts">
                        <label class="pk-s-opt"><input type="radio" name="sh_exp" value="7"> 7${L.share_days}</label>
                        <label class="pk-s-opt"><input type="radio" name="sh_exp" value="14"> 14${L.share_days}</label>
                        <label class="pk-s-opt"><input type="radio" name="sh_exp" value="30"> 30${L.share_days}</label>
                        <label class="pk-s-opt"><input type="radio" name="sh_exp" value="-1" checked> ${L.share_perm}</label>

                        <div class="pk-s-opt" id="sh_exp_custom_btn" style="position:relative; margin-left:auto; border:1px solid var(--pk-bd); border-radius:4px; padding:2px 8px; transition:border-color 0.2s;">
                            <input type="radio" name="sh_exp" value="custom" style="display:none;">
                            <span id="sh_custom_txt">${L.share_custom}</span>
                            <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="margin-left:4px; transform:translateY(1px);"><polyline points="6 9 12 15 18 9"></polyline></svg>
                        </div>
                    </div>
                </div>

                <div class="pk-s-sec" id="sh_pass_sec" style="opacity:0.3; pointer-events:none;">
                    <div class="pk-s-lbl">${L.share_pass}</div>
                    <div class="pk-s-opts">
                        <label class="pk-s-opt"><input type="radio" name="sh_pass_type" value="rand" checked> ${L.share_rand}</label>
                        <label class="pk-s-opt"><input type="radio" name="sh_pass_type" value="custom"> ${L.share_custom}</label>
                        <input type="text" id="sh_pass_val" class="pk-s-input" placeholder="${L.ph_pass_range}" minlength="4" maxlength="10" disabled>
                    </div>
                </div>

                <div class="pk-s-sec">
                    <div class="pk-s-lbl">${L.share_count}</div>
                    <div class="pk-s-opts">
                        <label class="pk-s-opt"><input type="radio" name="sh_cnt" value="1"> 1${L.share_times}</label>
                        <label class="pk-s-opt"><input type="radio" name="sh_cnt" value="5"> 5${L.share_times}</label>
                        <label class="pk-s-opt"><input type="radio" name="sh_cnt" value="20"> 20${L.share_times}</label>
                        <label class="pk-s-opt"><input type="radio" name="sh_cnt" value="-1" checked> ${L.share_unlimit}</label>
                        <label class="pk-s-opt"><input type="radio" name="sh_cnt" value="custom"> ${L.share_custom}</label>
                        <input type="text" id="sh_cnt_val" class="pk-s-input" placeholder="${L.share_unlimit}"
                               style="width:60px; height:28px; text-align:center;" disabled autocomplete="off">
                    </div>
                </div>

                <div class="pk-modal-act" style="margin-top:10px; padding: 0 24px 24px 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 15px;">
                    <button class="pk-btn" id="sh_cancel" style="justify-content: center; height: 40px; font-weight: 600; width: 100%; border-radius: 8px; font-size: 15px; background:transparent;">${L.btn_cancel}</button>
                    <button class="pk-btn pri" id="sh_go" style="justify-content: center; height: 40px; font-weight: 600; width: 100%; border-radius: 8px; font-size: 15px; transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); background:var(--pk-pri); color:#fff; border:none;">${L.btn_share_start}</button>
                </div>
            </div>
        `);

        const tabs = m.querySelectorAll('.pk-s-tab');
        const passSec = m.querySelector('#sh_pass_sec');
        const passVal = m.querySelector('#sh_pass_val');
        const passRadios = m.querySelectorAll('input[name="sh_pass_type"]');
        const btnGo = m.querySelector('#sh_go');

        const validate = () => {
            const mode = m.querySelector('.pk-s-tab.act').dataset.val;
            const passType = m.querySelector('input[name="sh_pass_type"]:checked').value;
            const pass = passVal.value.trim();

            let isValid = true;
            if (mode === 'encrypted' && passType === 'custom') {
                const reg = /^[a-zA-Z0-9]{4,10}$/;
                isValid = reg.test(pass);
            }

            btnGo.disabled = !isValid;
            btnGo.style.opacity = isValid ? '1' : '0.4';
            btnGo.style.cursor = isValid ? 'pointer' : 'not-allowed';
        };

        tabs.forEach(t => t.onclick = () => {
            tabs.forEach(x => x.classList.remove('act'));
            t.classList.add('act');
            const isEnc = t.dataset.val === 'encrypted';
            passSec.style.opacity = isEnc ? '1' : '0.3';
            passSec.style.pointerEvents = isEnc ? 'auto' : 'none';
            validate();
        });

        passRadios.forEach(r => r.onchange = () => {
            passVal.disabled = r.value !== 'custom';
            if (!passVal.disabled) passVal.focus();
            validate();
        });

        const cntRadios = m.querySelectorAll('input[name="sh_cnt"]');
        const cntVal = m.querySelector('#sh_cnt_val');

        cntRadios.forEach(r => r.onchange = () => {
            const isCustom = r.value === 'custom';
            cntVal.disabled = !isCustom;
            if (isCustom) {
                setTimeout(() => cntVal.focus(), 10);
            } else {
                cntVal.value = '';
            }
            validate();
        });

        cntVal.onfocus = () => { if(!cntVal.disabled) cntBox.style.borderColor = 'var(--pk-pri)'; };
        cntVal.onblur = () => { if(cntVal.value === '') cntBox.style.borderColor = 'var(--pk-bd)'; };
        cntVal.oninput = () => {
            cntVal.value = cntVal.value.replace(/[^\d]/g, '');
            validate();
        };

        const modalContainer = m.querySelector('.pk-modal');
        if (modalContainer) {
            modalContainer.style.padding = '0';
            modalContainer.style.width = 'fit-content';
        }

        const btnCustomExp = m.querySelector('#sh_exp_custom_btn');
        const txtCustom = m.querySelector('#sh_custom_txt');
        let customDays = null;

        m.querySelectorAll('input[name="sh_exp"]').forEach(r => {
            r.addEventListener('change', (e) => {
                if (e.target.value !== 'custom') {
                    btnCustomExp.style.borderColor = 'var(--pk-bd)';
                    btnCustomExp.style.color = 'var(--pk-fg)';
                    txtCustom.textContent = L.share_custom;
                    customDays = null;
                }
            });
        });

        btnCustomExp.onclick = (e) => {
            e.stopPropagation();
            e.preventDefault();
            const existing = document.querySelector('.pk-cal-pop');
            if (existing) { existing.remove(); return; }

            renderCalendar(btnCustomExp, (res) => {
                const presetRadio = m.querySelector(`input[name="sh_exp"][value="${res.days}"]`);

                if (presetRadio && res.ts === null) {
                    presetRadio.checked = true;
                    presetRadio.dispatchEvent(new Event('change'));
                } else {
                    customDays = res.days;
                    const radio = btnCustomExp.querySelector('input');
                    radio.checked = true;

                    btnCustomExp.style.borderColor = 'var(--pk-pri)';
                    btnCustomExp.style.color = 'var(--pk-pri)';

                    if (res.ts) {
                        const d = new Date(res.ts);
                        const dateStr = `${d.getFullYear()}-${String(d.getMonth()+1).padStart(2,'0')}-${String(d.getDate()).padStart(2,'0')}`;
                        txtCustom.textContent = dateStr;
                    } else if (res.days === -1) {
                        txtCustom.textContent = L.share_perm;
                    } else {
                        txtCustom.textContent = `${res.days} ${L.share_days}`;
                    }
                }
            });
        };

        passVal.oninput = validate;

        m.querySelector('#sh_cancel').onclick = () => m.remove();
        btnGo.onclick = async () => {
            if (btnGo.disabled) return;

            const mode = m.querySelector('.pk-s-tab.act').dataset.val;
            const cntRadio = m.querySelector('input[name="sh_cnt"]:checked');
            let cnt = parseInt(cntRadio.value);
            if (cntRadio.value === 'custom') {
                const customInput = m.querySelector('#sh_cnt_val').value.trim();
                cnt = (customInput === "") ? -1 : (parseInt(customInput) || 1);
            }

            let exp = -1;
            const expRadio = m.querySelector('input[name="sh_exp"]:checked');
            if (expRadio.value === 'custom') {
                if (customDays === null) {
                    exp = 7;
                } else {
                    exp = customDays;
                }
            } else {
                exp = parseInt(expRadio.value);
            }

            const isCustomPass = m.querySelector('input[name="sh_pass_type"]:checked').value === 'custom';
            const pass = isCustomPass ? passVal.value.trim() : "";

            if (mode === 'encrypted' && isCustomPass) {
                if (pass.length < 4 || pass.length > 10) {
                    showAlert(L.err_share_pass);
                    return;
                }
            }

            m.remove();
            setLoad(true);
            updateLoadTxt(L.msg_creating_share);

            try {
                const payload = {
                    file_ids: ids,
                    share_to: mode === 'encrypted' ? 'encryptedlink' : 'publiclink',
                    expiration_days: parseInt(exp),
                    pass_code_option: mode === 'encrypted' ? 'REQUIRED' : 'NOT_REQUIRED'
                };

                if (expRadio.value === 'custom' && customDays !== null) {
                    payload.expiration_days = customDays;
                }

                if (cnt > 0) payload.limit_count = cnt;

                const res = await fetch(`https://api-drive.mypikpak.com/drive/v1/share`, {
                    method: 'POST', headers: getHeaders(), body: JSON.stringify(payload)
                });
                if (!res.ok) throw new Error(`Create API Error ${res.status}`);

                let data = await res.json();
                let finalPassCode = data.pass_code;

                if (cnt > 0) {
                    const store = JSON.parse(gmGet('pk_share_limits', '{}'));
                    store[data.share_id] = cnt;
                    gmSet('pk_share_limits', JSON.stringify(store));
                }

                if (mode === 'encrypted' && isCustomPass && pass) {
                    updateLoadTxt(L.str_saving);
                    const patchPayload = {
                        share_id: data.share_id,
                        pass_code_option: 'REQUIRED',
                        custom_pass_code: pass
                    };

                    const patchRes = await fetch(`https://api-drive.mypikpak.com/drive/v1/share`, {
                        method: 'PATCH',
                        headers: getHeaders(),
                        body: JSON.stringify(patchPayload)
                    });

                    if (patchRes.ok) {
                        finalPassCode = pass;
                    } else {
                        console.warn("[Share] Custom password patch failed, using fallback.");
                    }
                }

                const fullText = data.share_url + (finalPassCode ? ` ${L.lbl_share_code}: ${finalPassCode}` : '');

                const resM = showModal(`
                    <div style="width: 400px; max-width: 90vw; display: flex; flex-direction: column; align-items: center; text-align: center; padding: 10px 5px 0 5px;">
                        <div style="width: 64px; height: 64px; border-radius: 50%; background: rgba(26, 94, 255, 0.1); color: var(--pk-pri); display: flex; align-items: center; justify-content: center; margin-bottom: 20px;">
                            <svg width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3.5" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6L9 17l-5-5"/></svg>
                        </div>

                        <div style="font-size: 18px; font-weight: 700; color: var(--pk-fg); margin-bottom: 24px;">${L.title_share_result}</div>

                        <div style="width: 100%; display: flex; flex-direction: column; gap: 14px; margin-bottom: 30px;">
                            <input type="text" class="pk-share-res-val" value="${data.share_url}" readonly
                                   style="width: 100%; height: 44px; padding: 0 16px; border: 1.5px solid var(--pk-bd); border-radius: 10px; background: var(--pk-hl); color: var(--pk-pri); font-size: 14px; font-weight: 600; text-align: center; box-sizing: border-box; outline: none; transition: border-color 0.2s;">

                            ${finalPassCode ? `
                            <div style="display: flex; align-items: center; justify-content: center; gap: 10px;">
                                <span style="font-size: 13px; color: #888;">${L.lbl_share_code}:</span>
                                <span style="font-size: 18px; font-weight: 800; font-family: 'JetBrains Mono', monospace; color: var(--pk-fg); letter-spacing: 1.5px;">${finalPassCode}</span>
                            </div>` : ''}
                        </div>

                        <button class="pk-btn pri" id="res_copy"
                                style="width: 100%; height: 46px; border-radius: 12px; background: var(--pk-pri); color: #fff; font-weight: 700; font-size: 15px; border: none; box-shadow: 0 4px 14px rgba(26, 94, 255, 0.3); justify-content: center;">
                            ${L.btn_copy_share}
                        </button>
                    </div>
                `);

                const modalBox = resM.querySelector('.pk-modal');
                if (modalBox) {
                    modalBox.style.width = 'auto';
                    modalBox.style.minWidth = '460px';
                    modalBox.style.overflow = 'visible';
                    modalBox.style.padding = '30px';
                }

                resM.querySelector('#res_copy').onclick = () => {
                    GM_setClipboard(fullText);
                    const b = resM.querySelector('#res_copy');
                    b.textContent = L.msg_copy_success;
                    setTimeout(() => resM.remove(), 1000);
                };
            } catch (e) {
                showAlert(e.message);
            } finally {
                setLoad(false);
            }
        };
    };

    ctx.querySelector('#ctx-copy-name').onclick = () => {
        ctx.style.display = 'none';
        const names = [];
        const ids = S.getSelectedIds();
        ids.forEach(id => {
            const item = S.itemMap.get(id);
            if (item && item.name) {
                const name = item.name;
                if (item.kind !== 'drive#folder' && name.includes('.') && name.lastIndexOf('.') > 0) {
                    names.push(name.substring(0, name.lastIndexOf('.')));
                } else {
                    names.push(name);
                }
            }
        });
        if (names.length > 0) {
            GM_setClipboard(names.join('\n'));
            showToast(L.msg_copy_success);
        }
    };

    ctx.querySelector('#ctx-down').onclick = () => {
        ctx.style.display = 'none';
        UI.win.querySelector('#pk-down').click();
    };

    ctx.querySelector('#ctx-add-bl').onclick = (e) => {
        ctx.style.display = 'none';

        const action = e.target.getAttribute('data-action');

        processBlacklistAction(action);
    };
    ctx.querySelector('#ctx-copy').onclick = () => { ctx.style.display = 'none'; UI.btnCopy.click(); };
    ctx.querySelector('#ctx-cut').onclick = () => { ctx.style.display = 'none'; UI.btnCut.click(); };
    ctx.querySelector('#ctx-prune').onclick = () => { ctx.style.display = 'none'; UI.btnPrune.click(); };
    ctx.querySelector('#ctx-rename').onclick = () => {
        ctx.style.display = 'none';
        if (S.getSelectedCount() > 1) {
            UI.btnBulkRename.click();
        } else {
            UI.btnRename.click();
        }
    };
    const ctxDel = ctx.querySelector('#ctx-del');
    ctxDel.onclick = () => { ctx.style.display = 'none'; UI.btnDel.click(); };
    if (S.historyMode) {
        const ctxDelTxt = ctxDel.childNodes[1];
        if (ctxDelTxt) ctxDelTxt.textContent = " " + L.btn_clear_history;
    }

    const ctxShCancel = ctx.querySelector('#ctx-sh-cancel');
    if (ctxShCancel) {
        ctxShCancel.onclick = () => {
            ctx.style.display = 'none';
            if (UI.btnCancelShare) UI.btnCancelShare.click();
        };
    }

    const ctxShDetail = ctx.querySelector('#ctx-sh-detail');
    if (ctxShDetail) {
        ctxShDetail.onclick = () => {
            ctx.style.display = 'none';
            const id = S.getSelectedIds()[0];
            const item = S.itemMap.get(id);
            if (item) showShareDetail(item);
        };
    }

    const ctxShCopy = ctx.querySelector('#ctx-sh-copy');
    if (ctxShCopy) {
        ctxShCopy.onclick = () => {
            ctx.style.display = 'none';
            const id = S.getSelectedIds()[0];
            const item = S.itemMap.get(id);
            if (!item) return;

            const url = item.share_url || "";
            const pwd = item.pass_code || "";
            const title = item.name || item.title || "";

            let text = url + '\n';
            if (pwd) text += `${L.share_copy_pwd}: ${pwd}\n`;
            text += `${title}\n${L.share_copy_suffix}`;

            GM_setClipboard(text);
            showToast(L.msg_copy_success);
        };
    }

    const ctxRestore = ctx.querySelector('#ctx-restore');
    if (ctxRestore) {
        ctxRestore.onclick = () => {
            ctx.style.display = 'none';
            UI.btnRestore.click();
        };
    }

    const ctxDelForever = ctx.querySelector('#ctx-del-forever');
    if (ctxDelForever) {
        ctxDelForever.onclick = () => {
            ctx.style.display = 'none';
            UI.btnDelForever.click();
        };
    }

    updateStat();

    const restoreUIState = () => {
        const navs =[UI.btnNavHome, UI.btnNavTrash, UI.btnNavShare, UI.btnNavStarred, UI.btnNavRecent, UI.btnNavHistory, UI.btnNavOffline, UI.btnNavUpload];
        navs.forEach(n => { if(n) n.classList.remove('act'); });

        const stdBtns =[UI.btnNewFolder, UI.btnDel, UI.btnCopy, UI.btnCut, UI.btnPaste, UI.btnRename, UI.btnBulkRename, UI.btnPrune, UI.btnUnzip, UI.btnMigrate, UI.btnBlacklistManager];
        const shareBtns =[UI.btnCancelShare];
        const upBtns =[UI.btnUpPause, UI.btnUpStart, UI.btnUpDel, UI.btnUpClearAll];
        const upSep = el.querySelector('#pk-up-sep');
        const downBtns = [UI.btnAria2, UI.btnDown, UI.btnExt, UI.btnImgSearch];

        upBtns.forEach(b => { if(b) b.style.display = 'none'; });
        if(upSep) upSep.style.display = 'none';
        if (UI.btnRefresh) UI.btnRefresh.style.display = 'inline-flex';

        if (S.trashMode) {
            UI.win.classList.add('pk-mode-trash');
            if(UI.btnNavTrash) UI.btnNavTrash.classList.add('act');
            if(UI.actionBar) UI.actionBar.style.display = 'none';
            if(UI.trashBar) UI.trashBar.style.display = 'flex';
            if(UI.bottomGrp) UI.bottomGrp.style.display = 'none';
            if (S.path[0]) S.path[0].name = L.trash_title;
        }
        else if (S.shareMode) {
            if(UI.btnNavShare) UI.btnNavShare.classList.add('act');
            if(UI.bottomGrp) UI.bottomGrp.style.display = 'none';
            if (S.path[0]) S.path[0].name = L.btn_nav_share;

            stdBtns.forEach(b => { if(b && b !== UI.btnBlacklistManager) b.style.display = 'none'; });
            if (UI.btnBlacklistManager) UI.btnBlacklistManager.style.display = 'inline-flex';
            shareBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
        }
        else if (S.offlineMode) {
            if(UI.btnNavOffline) UI.btnNavOffline.classList.add('act');
            if (S.path[0]) S.path[0].name = L.title_offline;
            if(UI.bottomGrp) UI.bottomGrp.style.display = 'flex';[UI.btnNewFolder, UI.btnCopy, UI.btnCut, UI.btnPaste, UI.btnRename, UI.btnBulkRename, UI.btnPrune, UI.btnUnzip, UI.btnMigrate].forEach(b => { if(b) b.style.display = 'none'; });
            [UI.btnDel, UI.btnRefresh, UI.btnBlacklistManager].forEach(b => { if(b) b.style.display = 'inline-flex'; });
            shareBtns.forEach(b => { if(b) b.style.display = 'none'; });
            [UI.btnAria2, UI.btnDown].forEach(b => { if(b) b.style.display = 'none'; });
            if(UI.btnExt) UI.btnExt.style.display = 'inline-flex';
            if(UI.btnImgSearch) UI.btnImgSearch.style.display = 'inline-flex';
        }
        else if (S.uploadMode) {
            if(UI.btnNavUpload) UI.btnNavUpload.classList.add('act');
            if(UI.bottomGrp) UI.bottomGrp.style.display = 'flex';
            if (S.path[0]) S.path[0].name = L.btn_nav_upload;
            [UI.btnAria2, UI.btnDown].forEach(b => { if(b) b.style.display = 'none'; });
            if(UI.btnExt) UI.btnExt.style.display = 'inline-flex';
            if(UI.btnImgSearch) UI.btnImgSearch.style.display = 'inline-flex';

            stdBtns.forEach(b => { if(b) b.style.display = 'none'; });
            if (UI.btnRefresh) UI.btnRefresh.style.display = 'none';
            shareBtns.forEach(b => { if(b) b.style.display = 'none'; });
            upBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
            if(upSep) upSep.style.display = 'block';
            if(UI.uploadWrap) UI.uploadWrap.style.display = 'none';
        }
        else if (S.historyMode) {
            if(UI.btnNavHistory) UI.btnNavHistory.classList.add('act');
            if (S.path[0]) S.path[0].name = L.btn_nav_history;
            if(UI.bottomGrp) UI.bottomGrp.style.display = 'flex';

            stdBtns.forEach(b => { if(b && b !== UI.btnBlacklistManager && b !== UI.btnMigrate) b.style.display = 'none'; });
            if (UI.btnBlacklistManager) UI.btnBlacklistManager.style.display = 'inline-flex';
            if (UI.btnMigrate) UI.btnMigrate.style.display = 'inline-flex';
            shareBtns.forEach(b => { if(b) b.style.display = 'none'; });
            if(UI.uploadWrap) UI.uploadWrap.style.display = 'none';
            downBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
        }
        else if (S.recentMode || S.starredMode) {
            if (S.recentMode && UI.btnNavRecent) UI.btnNavRecent.classList.add('act');
            if (S.starredMode && UI.btnNavStarred) UI.btnNavStarred.classList.add('act');
            if (S.recentMode && S.path[0]) S.path[0].name = L.btn_nav_recent;
            if (S.starredMode && S.path[0]) S.path[0].name = L.btn_nav_starred;
            if(UI.bottomGrp) UI.bottomGrp.style.display = 'flex';

            stdBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
            shareBtns.forEach(b => { if(b) b.style.display = 'none'; });
            if(UI.uploadWrap) UI.uploadWrap.style.display = 'inline-flex';
            downBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
        }
        else {
            if(UI.btnNavHome) UI.btnNavHome.classList.add('act');
            if (S.path.length > 0 && S.path[0].id === '') S.path[0].name = L.btn_nav_home;
            if(UI.bottomGrp) UI.bottomGrp.style.display = 'flex';

            stdBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
            shareBtns.forEach(b => { if(b) b.style.display = 'none'; });
            if(UI.uploadWrap) UI.uploadWrap.style.display = 'inline-flex';
            downBtns.forEach(b => { if(b) b.style.display = 'inline-flex'; });
        }

        if(UI.topBar) UI.topBar.style.display = 'flex';
        if(UI.crumb) { UI.crumb.style.opacity = '1'; UI.crumb.style.display = 'flex'; }

        refresh();
    };

    restoreUIState();

    load();

    window.pkForceManagerReloadAfterAuth = (() => {
        let timer = null;
        let reloadSeq = 0;
        let authReloading = false;
        let pendingRelayout = false;

        const flushDeferredRelayout = () => {
            if (!pendingRelayout) return;
            pendingRelayout = false;
            if (!el || el.style.display === 'none') return;

            requestAnimationFrame(() => {
                if (!el || el.style.display === 'none') return;
                if (typeof syncLayoutMetrics === 'function') syncLayoutMetrics();

                if (isGridView() && typeof scheduleGridRelayout === 'function') {
                    scheduleGridRelayout(true);
                } else if (typeof renderList === 'function') {
                    renderList();
                } else if (typeof renderVisible === 'function') {
                    if (UI.in) UI.in.style.height = `${S.display.length * CONF.rowHeight}px`;
                    renderVisible();
                }
            });
        };

        const finishAuthReload = (seq) => {
            if (seq !== reloadSeq) return;
            authReloading = false;
            requestAnimationFrame(flushDeferredRelayout);
        };

        window.pkIsAuthManagerReloading = () => authReloading;
        window.pkDeferAuthManagerRelayout = () => { pendingRelayout = true; };

        return (reason = 'auth-recovered') => {
            if (timer) clearTimeout(timer);
            timer = setTimeout(() => {
                timer = null;
                try {
                    const ov = document.querySelector('.pk-ov');
                    if (!ov || ov.style.display === 'none') return;
                    if (!S || !Array.isArray(S.path) || S.path.length === 0) return;

                    const curNode = S.path[S.path.length - 1] || { id: '' };
                    const folderId = curNode.id || 'root';
                    const cacheKey = S.getRealCacheKey ? S.getRealCacheKey(folderId) : folderId;

                    console.log(`[Auth Sync] Forcing manager reload after auth recovery: ${reason}, folder=${folderId}`);

                    if (typeof globalNeedsSync !== 'undefined') globalNeedsSync = true;

                    if (typeof globalCache !== 'undefined') {
                        globalCache.delete(cacheKey);
                        if (folderId === 'root') {
                            globalCache.delete('');
                            globalCache.delete('root');
                        }
                    }

                    if (S.cache) {
                        S.cache.delete(cacheKey);
                        if (folderId === 'root') {
                            S.cache.delete('');
                            S.cache.delete('root');
                        }
                    }

                    if (typeof globalDirtyFolders !== 'undefined') {
                        globalDirtyFolders.add(folderId === 'root' ? '' : folderId);
                        if (folderId === 'root') globalDirtyFolders.add('root');
                    }

                    if (typeof scannedFolderIds !== 'undefined') {
                        scannedFolderIds.delete(folderId === 'root' ? '' : folderId);
                    }

                    const seq = ++reloadSeq;
                    authReloading = true;
                    pendingRelayout = false;

                    let reloadTask = Promise.resolve();

                    if (typeof load === 'function') {
                        reloadTask = Promise.resolve(load(false, true)).catch(e => console.warn('[Auth Sync] Forced reload failed:', e));
                    }
                    else if (typeof window.pkSmartRefreshTrigger === 'function') {
                        window.pkSmartRefreshTrigger(true);
                    }
                    else if (typeof refresh === 'function') {
                        refresh();
                    }

                    if (typeof runBackgroundCrawler === 'function' && typeof isBackgroundRunning !== 'undefined' && !isBackgroundRunning) {
                        runBackgroundCrawler();
                    }

                    reloadTask.finally(() => finishAuthReload(seq));
                } catch (e) {
                    authReloading = false;
                    requestAnimationFrame(flushDeferredRelayout);
                    console.warn('[Auth Sync] Force reload error:', e);
                }
            }, 260);
        };
    })();

    const AUTO_REFRESH_INTERVAL = 30000;

    const startSmartRefresh = () => {
        if (UI.win.dataset.autoRefresh) return null;
        UI.win.dataset.autoRefresh = "true";

        let silentAbortController = null;
        let retryTimer = null;
        let lastUserInteractionTime = 0;

        const updateInteractionTime = () => { lastUserInteractionTime = Date.now(); };
        el.addEventListener('mousedown', updateInteractionTime, true);
        el.addEventListener('keydown', updateInteractionTime, true);

        const diffWorkerBlob = new Blob([`
            self.onmessage = function(e) {
                const { oldList, newList } = e.data;
                if (oldList.length !== newList.length) { self.postMessage(true); return; }
                for (let i = 0; i < newList.length; i++) {
                    const a = oldList[i];
                    const b = newList[i];
                    if (a.id !== b.id || a.modified_time !== b.modified_time || a.size !== b.size || a.hash !== b.hash || a.starred !== b.starred) {
                        self.postMessage(true); return;
                    }
                }
                self.postMessage(false);
            };
        `], { type: 'application/javascript' });
        const diffWorker = new Worker(URL.createObjectURL(diffWorkerBlob));

        const runWatchdogAudit = async () => {
            if (document.hidden) return;
            try {
                const list = await apiShareList();
                const toAutoCancel = list.filter(it => it.kind === 'pikpak#share' && it.limit_count > 0 && it.save_count >= it.limit_count && it.share_status === 'OK');
                if (toAutoCancel.length > 0) {
                    const cancelIds = toAutoCancel.map(x => x.id);
                    const expiredGraveyard = JSON.parse(gmGet('pk_expired_shares', '[]'));
                    toAutoCancel.forEach(it => {
                        it.share_status = 'EXPIRED'; it._is_local_phantom = true;
                        expiredGraveyard.push(it);
                    });
                    if (expiredGraveyard.length > 50) expiredGraveyard.splice(0, expiredGraveyard.length - 50);
                    gmSet('pk_expired_shares', JSON.stringify(expiredGraveyard));
                    await apiCancelShare(cancelIds).catch(() => {});
                    const store = JSON.parse(gmGet('pk_share_limits', '{}'));
                    cancelIds.forEach(id => delete store[id]);
                    gmSet('pk_share_limits', JSON.stringify(store));
                    console.log(`[Watchdog] Autonomous Audit: Auto-canceled ${cancelIds.length} shares.`);
                    if (S.shareMode && window.pkSmartRefreshTrigger) window.pkSmartRefreshTrigger(true);
                }
            } catch (e) { console.warn("[Watchdog] Audit failed", e); }
        };

        const checkAndRefresh = async (isRetry = false, bypassLock = false) => {
            if (document.hidden) return;

            const isTyping = ['INPUT', 'TEXTAREA'].includes(document.activeElement?.tagName);

            const hasUIState = S.getSelectedCount() > 0 || (UI.ctx && UI.ctx.style.display === 'block');
            const isInteracting = !bypassLock && (Date.now() - lastUserInteractionTime < 1500);

            const isBusy = S._isEmptyingTrash || S.loading || S.scanning || S.dupMode || S.isFlattened ||
                           hasUIState || isTyping || isInteracting;

            if (isBusy) {
                if (retryTimer) clearTimeout(retryTimer);
                retryTimer = setTimeout(() => checkAndRefresh(true, bypassLock), 2500);
                return;
            }

            if (S.historyMode || S.uploadMode) return;

            const cur = S.path[S.path.length - 1];
            const isStarredRoot = S.starredMode && S.path.length === 1;
            const isRecentRoot = S.recentMode && S.path.length === 1;

            const cacheKey = S.shareMode ? 'share_root' : (isStarredRoot ? 'starred_root' : (isRecentRoot ? 'recent_root' : (cur.id || 'root')));

            if (cur.id === 'virtual_search_root' || cur.id === 'analyze_root' || cur.id === 'upload_root') return;

            if (silentAbortController) silentAbortController.abort();
            silentAbortController = new AbortController();
            const signal = silentAbortController.signal;

            try {
                const runWatchdogAudit = async (targetList) => {
                    const toAutoCancel = targetList.filter(it => it.kind === 'pikpak#share' && it.limit_count > 0 && it.save_count >= it.limit_count && it.share_status === 'OK');
                    if (toAutoCancel.length > 0) {
                        const cancelIds = toAutoCancel.map(x => x.id);
                        const expiredGraveyard = JSON.parse(gmGet('pk_expired_shares', '[]'));
                        toAutoCancel.forEach(it => {
                            it.share_status = 'EXPIRED';
                            it._is_local_phantom = true;
                            expiredGraveyard.push(it);
                        });
                        if (expiredGraveyard.length > 50) expiredGraveyard.splice(0, expiredGraveyard.length - 50);
                        gmSet('pk_expired_shares', JSON.stringify(expiredGraveyard));
                        await apiCancelShare(cancelIds).catch(() => {});
                        const store = JSON.parse(gmGet('pk_share_limits', '{}'));
                        cancelIds.forEach(id => delete store[id]);
                        gmSet('pk_share_limits', JSON.stringify(store));
                        console.log(`[Watchdog] Background Audit: Auto-canceled ${cancelIds.length} shares.`);
                        return true;
                    }
                    return false;
                };

                let allFetchedItems = [];

                if (!S.shareMode) {
                    apiShareList().then(list => runWatchdogAudit(list));
                }

                if (S.shareMode) {
                    allFetchedItems = await apiShareList();
                    await runWatchdogAudit(allFetchedItems);
                }
                else if (S.offlineMode) {
                    const rawTasks =[];
                    await apiTaskList(1000, (batch) => {
                        if (batch && batch.length) rawTasks.push(...batch);
                    });

                    allFetchedItems = rawTasks.map(t => {
                        const ref = t.reference_resource || {};
                        return {
                            id: t.id,
                            kind: 'drive#task',
                            name: ref.name || t.name || t.file_name || 'Untitled Task',
                            size: t.file_size,
                            phase: t.phase,
                            progress: parseInt(t.progress || 0),
                            message: t.message,
                            icon_link: t.icon_link,
                            thumbnail_link: ref.thumbnail_link ? ref.thumbnail_link : t.icon_link,
                            created_time: t.created_time,
                            modified_time: t.updated_time || ref.modified_time || '',
                            file_id: t.file_id || '',
                            source_url: (t.params && t.params.url) ? t.params.url : '',
                            params: Object.assign({}, t.params || {}, ref.params || {}),
                            mime_type: ref.mime_type || '',
                            starred: !!(ref.starred || (ref.tags && ref.tags.some(tg => tg.name === 'STAR')))
                        };
                    });
                }
                else if (S.historyMode) {
                    let keys = [];
                    if (typeof GM_listValues !== 'undefined') {
                        keys = GM_listValues();
                    } else {
                        keys = Object.keys(localStorage);
                    }

                    const historyItems = [];
                    const historyMap = new Map();

                    keys.forEach(k => {
                        if (k.startsWith('pk_progress_')) {
                            const id = k.replace('pk_progress_', '');
                            const raw = gmGet(k);
                            let data = { t: 0, d: 0, ts: 0 };

                            if (typeof raw === 'number') {
                                data.t = raw;
                                data.ts = 0;
                            } else if (typeof raw === 'object' && raw !== null) {
                                data = raw;
                            }

                            if (data.t > 1 || data.ts > 0) {
                                historyItems.push({ id, ...data });
                                historyMap.set(id, data);
                            }
                        }
                    });

                    historyItems.sort((a, b) => b.ts - a.ts);

                    const targetIds = historyItems.slice(0, 1000).map(x => x.id);
                    const CONCURRENCY = 6;

                    const fetchDetail = async (id) => {
                        try {
                            const netPriority = bypassLock ? 'high' : 'low';
                            const res = await fetch(`https://api-drive.mypikpak.com/drive/v1/files/${id}?thumbnail_size=SIZE_MEDIUM`, { headers: getHeaders(), signal: signal, priority: netPriority });
                            if (!res.ok) return null;
                            const f = await res.json();
                            if (f && !f.trashed) return f;
                            return null;
                        } catch (e) {
                            return null;
                        }
                    };

                    for (let i = 0; i < targetIds.length; i += CONCURRENCY) {
                        if (document.hidden || signal.aborted || S.loading || S.scanning || S.dupMode || S.isFlattened || S.getSelectedCount() > 0) return;

                        const chunk = targetIds.slice(i, i + CONCURRENCY);
                        const results = await Promise.all(chunk.map(id => fetchDetail(id)));

                        results.forEach(rawF => {
                            if (!rawF) return;
                            const f = minifyFile(rawF);
                            const local = historyMap.get(f.id) || {};
                            f._history_progress = local.t || 0;
                            const cloudDur = f.params?.duration || 0;
                            f._history_duration = cloudDur || local.d || 0;
                            f._history_ts = local.ts || 0;
                            allFetchedItems.push(f);
                        });

                        if (allFetchedItems.length > 0 && i > 0 && i % 24 === 0) await sleep(10);
                    }

                    allFetchedItems.sort((a, b) => (b._history_ts || 0) - (a._history_ts || 0));
                }
                else if (S.recentMode) {
                    let nextToken = null;
                    const limit = 500;
                    do {
                        if (document.hidden || signal.aborted || S.loading || S.scanning || S.dupMode || S.isFlattened || S.getSelectedCount() > 0) return;
                        const filters = encodeURIComponent('{"phase":{"in":"PHASE_TYPE_COMPLETE"}}');
                        const url = `https://api-drive.mypikpak.com/drive/v1/tasks?limit=${limit}&filters=${filters}&thumbnail_size=SIZE_MEDIUM&with_reference_resource=true&_t=${Date.now()}${nextToken ? `&page_token=${nextToken}` : ''}`;

                        const netPriority = bypassLock ? 'high' : 'low';
                        const res = await fetch(url, { headers: getHeaders(), signal: signal, priority: netPriority });
                        if (!res.ok) {
                            if (res.status === 401 || res.status === 403) {
                                console.warn("[Recent] SWR fetch auth rejected.");
                                const didLogout = await confirmedLogout('recent-swr-fetch-auth', 5000, 5200);
                                if (didLogout) return;
                                return;
                            }
                            throw new Error("Recent SWR fetch error");
                        }

                        const json = await res.json();
                        const validTasks = (json.tasks ||[]).filter(t =>
                            t.phase === 'PHASE_TYPE_COMPLETE' &&
                            (t.type === 'offline' || t.type === 'upload') &&
                            t.file_id !== ""
                        );

                        const mapped = validTasks.map(t => {
                            const ref = t.reference_resource || {};
                            const mime = ref.mime_type || '';
                            const isFolder = (ref.kind === 'drive#folder') || (mime === 'application/x-directory') || (t.icon_link && t.icon_link.includes('folder'));
                            return {
                                id: t.file_id || t.id,
                                kind: isFolder ? 'drive#folder' : 'drive#file',
                                name: ref.name || t.file_name || t.name,
                                size: t.file_size,
                                thumbnail_link: ref.thumbnail_link || t.icon_link || '',
                                icon_link: t.icon_link || '',
                                web_content_link: t.file_id ? null : null,
                                created_time: t.created_time,
                                modified_time: t.updated_time || ref.modified_time || t.created_time,
                                mime_type: mime,
                                parent_id: '',
                                starred: !!(ref.starred || (ref.tags && ref.tags.some(tg => tg.name === 'STAR'))),
                                trashed: false,
                                params: Object.assign({}, t.params || {}, ref.params || {}),
                                _sourceTaskId: t.id
                            };
                        });

                        allFetchedItems.push(...mapped);
                        nextToken = json.next_page_token;
                        if (allFetchedItems.length >= 2000) break;
                    } while (nextToken);

                    const seen = new Set();
                    allFetchedItems = allFetchedItems.filter(f => {
                        if (seen.has(f.id)) return false;
                        seen.add(f.id);
                        return true;
                    });
                }
                else {
                    let nextToken = null;
                    const limit = 500;
                    const now = Date.now();

                    do {
                        if (document.hidden || signal.aborted || S.loading || S.scanning || S.dupMode || S.isFlattened || S.getSelectedCount() > 0) return;

                        const currentIsStarredRoot = S.starredMode && S.path.length === 1;
                        const targetParentId = (S.trashMode || currentIsStarredRoot) ? '*' : (cur.id || '');

                        const filterObj = { "trashed": { "eq": S.trashMode } };

                        if (currentIsStarredRoot) {
                            filterObj.trashed = { "eq": false };
                            filterObj.system_tag = { "in": "STAR" };
                        } else if (!S.trashMode) {
                            filterObj.phase = { "eq": "PHASE_TYPE_COMPLETE" };
                        }

                        const filters = `&filters=${encodeURIComponent(JSON.stringify(filterObj))}`;
                        const url = `https://api-drive.mypikpak.com/drive/v1/files?thumbnail_size=SIZE_MEDIUM&limit=${limit}${filters}&parent_id=${targetParentId}&_t=${now}${nextToken ? `&page_token=${nextToken}` : ''}`;

                        const netPriority = bypassLock ? 'high' : 'low';
                        const res = await fetch(url, { headers: getHeaders(), signal: signal, priority: netPriority });
                        if (!res.ok) {
                            if (res.status === 401 || res.status === 403) {
                                console.warn("[Recent] Silent fetch auth rejected.");
                                const didLogout = await confirmedLogout('recent-silent-fetch-auth', 5000, 5200);
                                if (didLogout) return;
                                return;
                            }
                            throw new Error("Silent fetch error");
                        }

                        const data = await res.json();
                        if (data.files) {
                            allFetchedItems.push(...data.files.map(f => minifyFile(f, true)));
                        }
                        nextToken = data.next_page_token;
                    } while (nextToken);
                }

                if (S.analyzeMode && S.analyzeMap) {
                    allFetchedItems.forEach(item => {
                        if (item.kind === 'drive#folder' && S.analyzeMap.has(item.id)) {
                            item.size = S.analyzeMap.get(item.id).size.toString();
                        }
                    });
                }

                if (document.hidden || signal.aborted || S.loading || S.scanning || S.dupMode || S.isFlattened || S.getSelectedCount() > 0) return;

                const nowCur = S.path[S.path.length - 1];
                const nowStarredRoot = S.starredMode && S.path.length === 1;
                let currentExpectedKey = 'root';
                if (S.shareMode) currentExpectedKey = 'share_root';
                else if (S.offlineMode) currentExpectedKey = 'offline_root';
                else if (nowStarredRoot) currentExpectedKey = 'starred_root';
                else currentExpectedKey = nowCur.id || 'root';

                if (currentExpectedKey === cacheKey) {
                    diffWorker.onmessage = (e) => {
                        const hasChanges = e.data;
                        if (!hasChanges) {
                            console.log("[SmartRefresh] Cache verified. No changes.");
                            return;
                        }

                        if ((!bypassLock && Date.now() - lastUserInteractionTime < 1500) || S.getSelectedCount() > 0) {
                            if (retryTimer) clearTimeout(retryTimer);
                            retryTimer = setTimeout(() => checkAndRefresh(true, bypassLock), 2000);
                            return;
                        }

                        if (allFetchedItems.length > 0) {
                            const sample = allFetchedItems[0];
                            if (S.shareMode) {
                            } else if (S.trashMode && !sample.trashed) {
                                console.warn("[SmartRefresh] Dirty data blocked: Home data trying to enter Trash view.");
                                return;
                            } else if (!S.trashMode && sample.trashed) {
                                console.warn("[SmartRefresh] Dirty data blocked: Trash data trying to enter Home view.");
                                return;
                            }
                        }

                        S.cache.set(cacheKey, allFetchedItems);
                        if (typeof globalCache !== 'undefined') globalCache.set(cacheKey, allFetchedItems);

                        const newItemMap = new Map();
                        const newStarredSet = new Set();
                        for (let i = 0; i < allFetchedItems.length; i++) {
                            const item = allFetchedItems[i];
                            newItemMap.set(item.id, item);
                            if (item.starred || (item.tags && item.tags.some(t => t.name === 'STAR'))) {
                                newStarredSet.add(item.id);
                            }
                        }

                        requestAnimationFrame(() => {
                            if (S.getSelectedCount() > 0 || S.loading || S.scanning) return;

                            S.items = allFetchedItems;
                            S.itemMap = newItemMap;
                            S.starredSet = newStarredSet;
                            const scrollTop = UI.vp.scrollTop;
                            refresh();
                            if (UI.vp) UI.vp.scrollTop = scrollTop;
                            console.log(`[SmartRefresh] SWR Sync Complete. Updated ${allFetchedItems.length} items.`);
                        });
                    };

                    const simplify = (list) => list.map(x => {
                        let diffHash = x.hash;
                        if (x.kind === 'drive#task') {
                            diffHash = `${x.phase}_${x.progress}_${x.params?.global_file_kind || ''}_${x.hash || ''}`;
                        } else if (x.params?.global_file_kind) {
                            diffHash = `${x.params.global_file_kind}_${x.hash || ''}`;
                        }
                        return {
                            id: x.id, modified_time: x.modified_time, size: x.size, hash: diffHash,
                            starred: !!(x.starred || (x.tags && x.tags.some(t => t.name === 'STAR')))
                        };
                    });

                    if (S.shareMode || cacheKey === 'share_root') {
                        const toAutoCancel = allFetchedItems.filter(it => it.kind === 'pikpak#share' && it.limit_count > 0 && it.save_count >= it.limit_count && it.share_status === 'OK');
                        if (toAutoCancel.length > 0) {
                            const cancelIds = toAutoCancel.map(x => x.id);
                            const expiredGraveyard = JSON.parse(gmGet('pk_expired_shares', '[]'));
                            toAutoCancel.forEach(it => {
                                it.share_status = 'EXPIRED';
                                it._is_local_phantom = true;
                                expiredGraveyard.push(it);
                            });
                            if (expiredGraveyard.length > 50) expiredGraveyard.splice(0, expiredGraveyard.length - 50);
                            gmSet('pk_expired_shares', JSON.stringify(expiredGraveyard));

                            await apiCancelShare(cancelIds).catch(() => {});
                            console.log(`[Watchdog] Auto-canceled and archived ${cancelIds.length} shares.`);

                            const store = JSON.parse(gmGet('pk_share_limits', '{}'));
                            cancelIds.forEach(id => delete store[id]);
                            gmSet('pk_share_limits', JSON.stringify(store));

                            allFetchedItems = allFetchedItems.filter(it => !cancelIds.includes(it.id));
                        }
                    }

                    diffWorker.postMessage({ oldList: simplify(S.items), newList: simplify(allFetchedItems) });
                }
            } catch (e) { }
        };

        window.pkSmartRefreshTrigger = (isForce = false) => {
            const session = globalCache.get('offline_session');
            if (S.offlineMode && (!session || !session.completed) && !isForce) {
                console.log(`[SmartRefresh] Pagination in progress (${S.items.length} items loaded). SWR standby...`);
                return;
            }
            if (S.recentMode) {
                const cached = globalCache.get('recent_root');
                if (cached && !Array.isArray(cached) && cached.nextToken && !isForce) {
                    console.log(`[SmartRefresh] Pagination in progress (${S.items.length} items loaded). SWR standby...`);
                    return;
                }
            }
            checkAndRefresh(false, isForce);
        };

        const onVisibilityChange = () => {
            if (retryTimer) clearTimeout(retryTimer);
            checkAndRefresh(false, false);
            runWatchdogAudit();
        };

        const uiSyncTimer = setInterval(() => checkAndRefresh(false, true), 60000);

        const watchdogTimer = setInterval(runWatchdogAudit, 60000);

        document.addEventListener('visibilitychange', onVisibilityChange);

        return {
            handler: onVisibilityChange,
            abort: () => {
                if(silentAbortController) silentAbortController.abort();
                if(retryTimer) clearTimeout(retryTimer);
                if(uiSyncTimer) clearInterval(uiSyncTimer);
                if(watchdogTimer) clearInterval(watchdogTimer);
                document.removeEventListener('visibilitychange', onVisibilityChange);
                el.removeEventListener('mousedown', updateInteractionTime, true);
                el.removeEventListener('keydown', updateInteractionTime, true);
                if (diffWorker) diffWorker.terminate();
                delete window.pkSmartRefreshTrigger;
            }
        };
    };

    const visibilityListener = startSmartRefresh();

    function handleClose() {
        let safePath = [...S.path];
        if (safePath.some(n => n.id === 'virtual_search_root' || n.id === 'analyze_root')) {
            safePath = S.preSearchPath || [{ id: '', name: L.btn_nav_home }];
        }
        globalSavedState = {
            path: safePath,
            trashMode: S.trashMode,
            isMaximized: UI.win.classList.contains('pk-maximized')
        };
        if (S.offlineMode && S.items.length > 0) {
            const cacheKey = 'offline_root';
            const cacheData = { items: [...S.items], nextToken: null };
            if (typeof globalCache !== 'undefined') globalCache.set(cacheKey, cacheData);
        }
        pkState = null;

        delete window.pkUpdateCrawlerUI;

        if (S && S.broadcast) S.broadcast.close();

        if (visibilityListener && visibilityListener.abort) {
            visibilityListener.abort();
        }

        if (typeof destroyTooltip === 'function') destroyTooltip();

        if (pkWinHideObserver) pkWinHideObserver.disconnect();
        el.remove();
        document.removeEventListener('keydown', keyHandler);
        document.removeEventListener('mouseup', mouseHandler);

        if (window._pkMouseSideNavHandler) {
            window.removeEventListener('mousedown', window._pkMouseSideNavHandler, true);
            window.removeEventListener('mouseup', window._pkMouseSideNavHandler, true);
            window.removeEventListener('auxclick', window._pkMouseSideNavHandler, true);
            window.removeEventListener('click', window._pkMouseSideNavHandler, true);
        }

        document.body.style.overflow = '';
        document.documentElement.style.overflow = '';
    }

    UI.btnClose.addEventListener('click', () => {
        document.body.classList.remove('pk-body-max');
        el.style.display = 'none';
    });

    updateCrawlerUI();

    S.updateBlCache();

    if (S.items && S.items.length > 0) {
        S.itemMap.clear();
        S.items.forEach(i => S.itemMap.set(i.id, i));
    }

    async function syncGlobalStarredStatus() {
        let nextToken = null;
        try {
            const latestStarredIds = new Set();

            do {
                const filter = encodeURIComponent('{"starred":{"eq":true},"trashed":{"eq":false}}');
                const url = `https://api-drive.mypikpak.com/drive/v1/files?filters=${filter}&limit=1000${nextToken ? `&page_token=${nextToken}` : ''}`;

                const res = await fetch(url, { headers: getHeaders() });
                if (!res.ok) break;

                const data = await res.json();
                if (data.files) {
                    data.files.forEach(f => latestStarredIds.add(f.id));
                }
                nextToken = data.next_page_token;
            } while (nextToken);

            S.pendingMap.forEach((targetStatus, id) => {
                if (targetStatus) {
                    latestStarredIds.add(id);
                } else {
                    latestStarredIds.delete(id);
                }
            });

            if (latestStarredIds.size > 0 || S.items.length > 0) {
                S.starredSet = latestStarredIds;
                let updatedCount = 0;
                if (typeof renderVisible === 'function') renderVisible();
            }
        } catch (e) {
            console.warn(L.err_star_sync_fail + ":", e);
        }
    }

    const refreshQuotaText = () => {
        const txt = el.querySelector('#pk-quota-txt');
        if (!txt || !S.quota) return;
        const isMaxNow = UI.win.classList.contains('pk-maximized');
        txt.textContent = isMaxNow ? `${S.quota.usedStr} / ${S.quota.limitStr}` : `${S.quota.pct}%`;
    };

    const updateQuotaUI = async () => {
        try {
            const res = await fetch(`https://api-drive.mypikpak.com/drive/v1/about?_t=${Date.now()}`, { headers: getHeaders() });
            if (!res.ok) {
                if (res.status === 401 || res.status === 403) {
                    console.warn("[Quota] Auth rejected.");
                    const didLogout = await confirmedLogout('quota-auth-rejected', 5000, 5200);
                    if (didLogout) return;
                }
                return;
            }
            const data = await res.json();
            const q = data.quota;
            if (!q) return;

            const used = parseInt(q.usage);
            const limit = parseInt(q.limit);
            const pct = Math.min(100, (used / limit) * 100).toFixed(1);

            const fQ = (v, d) => {
                let n = v, i = 0, units = ['B','KB','MB','GB','TB'];
                while(n >= 1024 && i < 4) { n /= 1024; i++; }
                return n.toFixed(d) + ' ' + units[i];
            };

            S.quota = {
                usedStr: fQ(used, 2),
                limitStr: fQ(limit, 0),
                pct: pct,
                usedRaw: used,
                limitRaw: limit
            };

            const bar = el.querySelector('#pk-quota-bar');
            const panel = el.querySelector('#pk-quota-panel');

            if (bar) bar.style.width = pct + '%';
            refreshQuotaText();

            if (panel) panel.setAttribute('data-pk-tip', `${L.lbl_storage}: ${pct}% (${S.quota.usedStr} / ${S.quota.limitStr})`);

            if (bar) {
                if (parseFloat(pct) > 90) bar.style.background = '#d93025';
                else if (parseFloat(pct) > 70) bar.style.background = '#faad14';
                else bar.style.background = 'var(--pk-pri)';
            }
        } catch (e) { console.warn("[Quota] Sync failed"); }
    };

    updateQuotaUI();
    const quotaTimer = setInterval(updateQuotaUI, 300000);

    const originalClose = UI.btnClose.onclick;
    UI.btnClose.onclick = (e) => {
        clearInterval(quotaTimer);
        if(originalClose) originalClose.call(UI.btnClose, e);
    };

    await load(false, true);

    if (globalSavedState && globalSavedState.scrollTop !== undefined) {
        setTimeout(() => {
            if (typeof UI !== 'undefined' && UI.vp) {
                UI.vp.scrollTop = globalSavedState.scrollTop;
                delete globalSavedState.scrollTop;
            }
        }, 50);
    }

    syncGlobalStarredStatus();

    if (gmGet('pk_turbo_mode', false)) {
        setTimeout(() => {
            if (location.href.includes('/login') || location.pathname.includes('login')) return;
            if (typeof showToast === 'function') {
                showToast(getStrings().msg_turbo_activated, 'success', 5000);
            }
        }, 800);
    }

    setTimeout(async () => {
        const stubStr = gmGet('pk_migration_stub', '');
        if (!stubStr) return;

        try {
            const stub = JSON.parse(stubStr);

            if (Date.now() - stub.timestamp > 86400000) {
                console.log("[Migration] Stub expired, clearing silently.");
                gmSet('pk_migration_stub', '');
                return;
            }

            const isAuthReady = await waitForAuth(5000);
            if (!isAuthReady) {
                console.warn("[Migration] Auth not ready, aborting detection.");
                return;
            }

            const aboutRes = await fetch(`https://api-drive.mypikpak.com/drive/v1/about?_t=${Date.now()}`, { headers: getHeaders() });
            if (!aboutRes.ok) throw new Error(`About API Error ${aboutRes.status}`);
            const aboutData = await aboutRes.json();
            const currentUid = aboutData.sub;

            if (currentUid === stub.source_uid) {
                gmSet('pk_migration_stub', '');
                showToast(L.msg_migrate_same_account, 'warning');
                return;
            }

            if (await showConfirm(L.msg_migrate_detect.replace('{n}', stub.file_count), L.btn_migrate)) {
                setLoad(true);
                updateLoadTxt(L.msg_migrate_saving);

                const infoRes = await fetch(`https://api-drive.mypikpak.com/drive/v1/share?share_id=${stub.share_id}&pass_code=${stub.pass_code}`, {
                    method: 'GET',
                    headers: getHeaders()
                });

                if (!infoRes.ok) throw new Error(`Share Info Fetch Error ${infoRes.status}`);
                const infoData = await infoRes.json();
                const passCodeToken = infoData.pass_code_token || "";

                const savePayload = {
                    share_id: stub.share_id,
                    pass_code_token: passCodeToken,
                    params: {
                        trace_file_ids: stub.file_ids.join(',')
                    }
                };

                const saveRes = await fetch(`https://api-drive.mypikpak.com/drive/v1/share/restore`, {
                    method: 'POST',
                    headers: getHeaders(),
                    body: JSON.stringify(savePayload)
                });

                if (!saveRes.ok) {
                    const errData = await saveRes.json().catch(() => ({}));
                    if (errData.error === 'file_restore_own' || errData.error_code === 9) {
                        gmSet('pk_migration_stub', '');
                        setLoad(false);
                        showToast(L.msg_migrate_same_account, 'warning');
                        return;
                    }
                    if (errData.error === 'file_space_not_enough' || errData.error_code === 8) {
                        setLoad(false);
                        const keep = await showConfirm(L.msg_migrate_quota_err.replace('{d}', errData.error_description), L.title_migrate_fail);
                        if (!keep) gmSet('pk_migration_stub', '');
                        return;
                    }
                    throw new Error(errData.error_description || `Save API Error ${saveRes.status}`);
                }
                const saveData = await saveRes.json();

                if (saveData.task_id) {
                    let isDone = false;
                    let pollCount = 0;
                    while(!isDone && pollCount < 300) {
                        await sleep(2000);
                        pollCount++;
                        const tRes = await fetch(`https://api-drive.mypikpak.com/drive/v1/tasks/${saveData.task_id}`, { headers: getHeaders() });
                        if (!tRes.ok) continue;
                        const tData = await tRes.json();
                        if (tData.phase === 'PHASE_TYPE_COMPLETE') isDone = true;
                        else if (tData.phase === 'PHASE_TYPE_ERROR') throw new Error("Transfer task failed on server.");
                    }
                    if (!isDone) console.warn("[Migration] Task polling timed out, but might still be running.");
                }

                gmSet('pk_migration_stub', '');
                setLoad(false);
                await showAlert(L.msg_migrate_success, "🎉 " + L.title_alert);
                UI.btnRefresh.click();

            } else {
                gmSet('pk_migration_stub', '');
            }
        } catch(e) {
            setLoad(false);
            const keep = await showConfirm(L.msg_migrate_err_keep.replace('{e}', e.message), L.title_alert);
            if (!keep) gmSet('pk_migration_stub', '');
        }
    }, 1500);
}

let backgroundQueue = [];
let isBackgroundRunning = false;
let scannedFolderIds = new Set();
let globalPreloadPromise = null;
let globalCache = new Map();
let globalLineageMap = new Map();
let globalParentIndex = new Map();
let globalTombstoneCache = new Map();
let globalDirtyFolders = new Set();
let globalNeedsSync = false;
let isGlobalIndexReady = false;
let hasShownGlobalWarnSession = false;
let serverClockOffset = 0;
let hasSyncedTime = false;
let globalSavedState = null;

const syncTime = (headers) => {
    if (!headers) return;
    const serverDate = headers.get('Date') || headers.get('date');
    if (serverDate) {
        const remoteTime = new Date(serverDate).getTime();
        const localTime = Date.now();
        serverClockOffset = remoteTime - localTime;
        hasSyncedTime = true;
    }
};

const getServerNow = () => Date.now() + serverClockOffset;
let isGUISensitive = false;
let pkState = null;

const indexParents = (parentId, parentName, files) => {
    if (!files || !Array.isArray(files)) return;
    const pId = parentId || 'root';
    const pName = parentName || 'Root';

    for (const f of files) {
        if (f.kind === 'drive#folder') {
            globalParentIndex.set(f.id, { id: pId, name: pName });
        }
    }
};

const DurationProber = (() => {
    let queue = [];
    let isRunning = false;
    let probeVideo = null;
    let loopTimer = null;
    let runToken = 0;

    const startNext = async () => {
        if (!isRunning || queue.length === 0) { isRunning = false; return; }

        const currentToken = runToken;

        if (document.hidden) {
            console.log(`[Prober] Running in background... Queue: ${queue.length}`);
        }

        const isUserWatching = !!document.getElementById('pk-player-ov');
        const isSystemScanning = typeof pkState !== 'undefined' && pkState && pkState.scanning;

        if (isUserWatching || isSystemScanning) {
            loopTimer = setTimeout(startNext, 2000);
            return;
        }

        const item = queue.shift();
        if (!probeVideo) {
            probeVideo = document.createElement('video');
            probeVideo.muted = true;
            probeVideo.style.display = 'none';
        }

        console.log(`[Prober] Probing duration for: ${item.name}`);

        let watchdog = null;
        const currentVideo = probeVideo;

        const cleanup = () => {
            if (watchdog) clearTimeout(watchdog);
            if (currentVideo) {
                currentVideo.removeEventListener('loadedmetadata', onLoaded);
                currentVideo.removeEventListener('error', onError);
                currentVideo.src = "";
                currentVideo.load();
            }
            if (isRunning && currentToken === runToken) {
                loopTimer = setTimeout(startNext, 1500);
            }
        };

        const saveAndNotify = (targetItem, dur) => {
            gmSet('pk_duration_' + targetItem.id, dur);
            if (typeof pkState !== 'undefined' && pkState) {
                [pkState.items, pkState.display].forEach(list => {
                    const found = list.find(i => i.id === targetItem.id);
                    if (found && found.params) found.params.duration = dur;
                });
                const row = document.querySelector(`.pk-row[data-id="${targetItem.id}"]`);
                if (row) {
                    const cols = row.children;
                    const durCol = cols.length > 1 ? cols[cols.length - 2] : null;

                    if (durCol) {
                        durCol.style.color = 'var(--pk-pri)';
                        durCol.textContent = fmtDur(dur);
                        setTimeout(() => { if(durCol) durCol.style.color = ''; }, 2000);
                    }
                }
            }
        };

        const onLoaded = () => {
            if (currentToken === runToken) {
                const dur = Math.round(currentVideo.duration);
                if (dur > 0) {
                    console.log(`[Prober] Success: ${item.name} -> ${dur}s`);
                    saveAndNotify(item, dur);
                }
            }
            cleanup();
        };

        const onError = () => { cleanup(); };

        currentVideo.addEventListener('loadedmetadata', onLoaded);
        currentVideo.addEventListener('error', onError);

        try {
            const res = await apiGet(item.id);

            if (currentToken !== runToken) { cleanup(); return; }
            if (!res || !res.web_content_link) { cleanup(); return; }

            const url = res.web_content_link;
            const nameLower = (item.name || '').toLowerCase();
            const urlLower = url.toLowerCase();

            const isM3u8 = nameLower.endsWith('.m3u8') || urlLower.includes('.m3u8');
            const isWmv = nameLower.endsWith('.wmv') || urlLower.includes('.wmv') || nameLower.endsWith('.asf') || urlLower.includes('.asf');
            const isAvi = nameLower.endsWith('.avi') || urlLower.includes('.avi') || nameLower.endsWith('.divx') || urlLower.includes('.divx');
            const isFlv = nameLower.endsWith('.flv') || urlLower.includes('.flv');
            const isMkv = nameLower.endsWith('.mkv') || urlLower.includes('.mkv');
            const isRmvb = nameLower.endsWith('.rmvb') || urlLower.includes('.rmvb') || nameLower.endsWith('.rm') || urlLower.includes('.rm');

            if (isM3u8) {
                const fetchOptions = window.AbortSignal ? { signal: AbortSignal.timeout(15000) } : {};
                const text = await fetch(url, fetchOptions).then(r => r.text());

                if (currentToken === runToken) {
                    const matches = text.matchAll(/#EXTINF:([\d.]+)/g);
                    let total = 0;
                    for (const m of matches) total += parseFloat(m[1]);
                    if (total > 0) saveAndNotify(item, Math.round(total));
                }
                cleanup();
            }
            else if (isWmv || isAvi || isFlv || isMkv || isRmvb) {
                const rangeEnd = isMkv ? 65535 : 8191;
                const fetchOptions = {
                    headers: { 'Range': `bytes=0-${rangeEnd}` },
                    ...(window.AbortSignal ? { signal: AbortSignal.timeout(15000) } : {})
                };

                try {
                    const response = await fetch(url, fetchOptions);
                    if (currentToken === runToken && (response.ok || response.status === 206)) {
                        const buffer = await response.arrayBuffer();
                        const view = new DataView(buffer);
                        const bytes = new Uint8Array(buffer);
                        let seconds = 0;
                        let formatName = '';

                        if (isWmv) {
                            formatName = nameLower.endsWith('.asf') ? 'ASF' : 'WMV';
                            const guid = [0xA1, 0xDC, 0xAB, 0x8C, 0x47, 0xA9, 0xCF, 0x11, 0x8E, 0xE4, 0x00, 0xC0, 0x0C, 0x20, 0x53, 0x65];
                            let foundIdx = -1;
                            for (let i = 0; i < bytes.length - 88; i++) {
                                let match = true;
                                for (let j = 0; j < 16; j++) { if (bytes[i + j] !== guid[j]) { match = false; break; } }
                                if (match) { foundIdx = i; break; }
                            }
                            if (foundIdx !== -1) {
                                const playDur = view.getBigUint64(foundIdx + 64, true);
                                const preroll = view.getBigUint64(foundIdx + 80, true);
                                seconds = Number(playDur - preroll) / 10000000;
                            }
                        } else if (isAvi) {
                            formatName = nameLower.endsWith('.divx') ? 'DIVX' : 'AVI';
                            const avih = [0x61, 0x76, 0x69, 0x68];
                            let foundIdx = -1;
                            for (let i = 0; i < bytes.length - 28; i++) {
                                if (bytes[i] === avih[0] && bytes[i+1] === avih[1] && bytes[i+2] === avih[2] && bytes[i+3] === avih[3]) { foundIdx = i; break; }
                            }
                            if (foundIdx !== -1) {
                                const microSecPerFrame = view.getUint32(foundIdx + 8, true);
                                const totalFrames = view.getUint32(foundIdx + 24, true);
                                seconds = (microSecPerFrame * totalFrames) / 1000000;
                            }
                        } else if (isFlv) {
                            formatName = 'FLV';
                            const durKey = [0x00, 0x08, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x00];
                            let foundIdx = -1;
                            for (let i = 0; i < bytes.length - 19; i++) {
                                let match = true;
                                for (let j = 0; j < 11; j++) { if (bytes[i + j] !== durKey[j]) { match = false; break; } }
                                if (match) { foundIdx = i; break; }
                            }
                            if (foundIdx !== -1) seconds = view.getFloat64(foundIdx + 11, false);
                        } else if (isRmvb) {
                            formatName = 'RM/RMVB';
                            const prop = [0x50, 0x52, 0x4F, 0x50];
                            let foundIdx = -1;
                            for (let i = 0; i < bytes.length - 36; i++) {
                                if (bytes[i] === prop[0] && bytes[i+1] === prop[1] && bytes[i+2] === prop[2] && bytes[i+3] === prop[3]) { foundIdx = i; break; }
                            }
                            if (foundIdx !== -1) {
                                const ms = view.getUint32(foundIdx + 32, false);
                                seconds = ms / 1000;
                            }
                        } else if (isMkv) {
                            formatName = 'MKV';
                            let timecodeScale = 1000000;
                            let durationVal = 0;

                            for (let i = 0; i < bytes.length - 10; i++) {
                                if (bytes[i] === 0x2A && bytes[i+1] === 0xD7 && bytes[i+2] === 0xB1) {
                                    let len = bytes[i+3] & 0x7F;
                                    if (len === 3) timecodeScale = (bytes[i+4]<<16) | (bytes[i+5]<<8) | bytes[i+6];
                                    if (len === 4) timecodeScale = (bytes[i+4]<<24) | (bytes[i+5]<<16) | (bytes[i+6]<<8) | bytes[i+7];
                                    break;
                                }
                            }
                            for (let i = 0; i < bytes.length - 10; i++) {
                                if (bytes[i] === 0x44 && bytes[i+1] === 0x89) {
                                    let lenByte = bytes[i+2];
                                    if (lenByte === 0x84) {
                                        durationVal = view.getFloat32(i+3, false);
                                        break;
                                    } else if (lenByte === 0x88) {
                                        durationVal = view.getFloat64(i+3, false);
                                        break;
                                    }
                                }
                            }
                            if (durationVal > 0) {
                                seconds = (durationVal * timecodeScale) / 1000000000;
                            }
                        }

                        if (seconds > 0) {
                            console.log(`[Prober] Success (${formatName} Binary Parsing): ${item.name} -> ${Math.round(seconds)}s`);
                            saveAndNotify(item, Math.round(seconds));
                        } else {
                            console.warn(`[Prober] Binary parsed but got 0 duration for ${item.name}`);
                        }
                    }
                } catch (e) {
                    console.warn(`[Prober] Failed to parse binary header for ${item.name}`);
                }
                cleanup();
            }
            else {
                if (document.hidden) {
                    console.log(`[Prober] Video tag throttled by browser, pausing prober: ${item.name}`);
                    queue.unshift(item);
                    isRunning = false;
                    cleanup();
                    return;
                }

                watchdog = setTimeout(() => {
                    console.warn(`[Prober] Watchdog timeout fetching metadata for: ${item.name}`);
                    cleanup();
                }, 15000);

                currentVideo.src = url;
                currentVideo.load();
            }
        } catch(e) {
            cleanup();
        }
    };

    return {
        add: (item, isBackground = false) => {
            if (queue.some(i => i.id === item.id)) return;
            if (isBackground) {
                queue.push(item);
            } else {
                queue.unshift(item);
            }
            if (!isRunning) { isRunning = true; startNext(); }
        },
        checkAndRun: () => {
            if (!isRunning && queue.length > 0) {
                isRunning = true;
                startNext();
            }
        },
        reset: () => {
            console.log(`[Prober] Resetting queue (Dropped ${queue.length} tasks).`);
            runToken++;
            queue = [];
            isRunning = false;
            if (loopTimer) clearTimeout(loopTimer);
            if (probeVideo) {
                probeVideo.removeAttribute('src');
                probeVideo.load();
                probeVideo = null;
            }
        }
    };
})();

const minifyFile = (f, isBackground = false) => {
    if (f._minified) return f;
    const { id, kind, name, parent_id, size, mime_type, thumbnail_link, icon_link, web_content_link, hash, gcid, md5_checksum } = f;
    const trashed = !!f.trashed;
    const tags = f.tags ? [...f.tags] : [];
    const lineage = f._lineage ? [...f._lineage] : undefined;
    const isStarred = !!(f.starred || f.star || f.is_star || (tags.some(t => t.name === 'STAR')));
    let duration = 0;
    const parse = (v) => { if (!v) return 0; const n = parseInt(v, 10); return isNaN(n) ? 0 : n; };
    if (f.video_media_metadata?.duration) duration = parse(f.video_media_metadata.duration);
    if (!duration && f.audio_media_metadata?.duration) duration = parse(f.audio_media_metadata.duration);
    if (!duration && f.medias && Array.isArray(f.medias)) {
        for (const m of f.medias) {
            const d = m.duration ? parse(m.duration) : (m.video?.duration ? parse(m.video.duration) : 0);
            if (d > 0) { duration = d; break; }
        }
    }
    if (!duration && f.params?.duration) duration = parse(f.params.duration);
    let final_modified_time = f.modified_time;
    if (!duration && id) duration = gmGet('pk_duration_' + id, 0);
    if (kind === 'drive#folder' && id) {
        const localFMod = gmGet('pk_fmod_' + id);
        if (localFMod) final_modified_time = localFMod;
    }
    if (!duration && kind === 'drive#file') {
        const ext = (name || '').split('.').pop().toLowerCase();
        const mime = (mime_type || '').toLowerCase();
        if (['mp4', 'mkv', 'avi', 'mov', 'wmv', 'flv', 'webm', 'ts'].includes(ext) || mime.startsWith('video/')) {
            const probeItem = { id, name, kind, mime_type, parent_id, size };
            setTimeout(() => DurationProber.add(probeItem, isBackground), 3000);
        }
    }
    return {
        id,
        kind,
        name,
        parent_id,
        size,
        file_count: (function() {
            if (f.file_count !== undefined) return f.file_count;
            if (f.usage && f.usage.file_count !== undefined) return f.usage.file_count;
            if (f.params && f.params.file_count !== undefined) return f.params.file_count;
            if (f.audit && f.audit.file_count !== undefined) return f.audit.file_count;
            return undefined;
        })(),
        modified_time: final_modified_time,
        thumbnail_link,
        icon_link,
        mime_type,
        trashed,
        web_content_link,
        tags,
        starred: isStarred,
        params: {
            duration,
            width: f.video_media_metadata?.width || f.params?.width,
            height: f.video_media_metadata?.height || f.params?.height,
            global_file_kind: f.params?.global_file_kind,
            global_file_root: f.params?.global_file_root
        },
        hash: hash || md5_checksum || gcid,
        _lineage: lineage,
        _minified: true
    };
};

async function runBackgroundCrawler() {
    if (isBackgroundRunning) return;
    isBackgroundRunning = true;

    if (window.pkUpdateCrawlerUI) window.pkUpdateCrawlerUI();
    const homeBtn = document.querySelector('#pk-nav-home');
    if (homeBtn) homeBtn.classList.add('pk-status-dot');

    const userSetLimit = parseInt(localStorage.getItem('pk_user_limit') || "50");
    const BACKGROUND_MAX_CONCURRENCY = Math.min(userSetLimit, 32);
    let currentConcurrencyLimit = 5;

    const MIN_CONCURRENCY = 2;
    let activeRequests = 0;
    let pendingRetries = 0;

    const fetchFolderContents = async (folder) => {
        activeRequests++;
        try {
            let files;
            if (globalCache.has(folder.id)) {
                files = globalCache.get(folder.id);
            } else {
                files = await apiList(folder.id, 1000, null, null, false, true);
                if (!isGUISensitive) {
                    globalCache.set(folder.id, files);
                }
            }

            if (files && Array.isArray(files)) {
                for (let i = 0; i < files.length; i++) {
                    const f = files[i];
                    if (f.kind === 'drive#folder') {
                        if (!scannedFolderIds.has(f.id)) {
                            backgroundQueue.push({ id: f.id, name: f.name, retryCount: 0 });
                            scannedFolderIds.add(f.id);
                        }
                    }
                }
            }

            if (currentConcurrencyLimit < BACKGROUND_MAX_CONCURRENCY) {
                currentConcurrencyLimit += 0.2;
            }

        } catch (err) {
            currentConcurrencyLimit = MIN_CONCURRENCY;
            folder.retryCount = (folder.retryCount || 0) + 1;
            const backoffTime = Math.min(folder.retryCount * 5000, 30000);
            pendingRetries++;
            try {
                await sleep(backoffTime);
                if (!isGUISensitive) backgroundQueue.unshift(folder);
            } finally {
                pendingRetries--;
            }
        } finally {
            activeRequests--;
        }
    };

    while (backgroundQueue.length > 0 || activeRequests > 0 || pendingRetries > 0 || (typeof globalDirtyFolders !== 'undefined' && globalDirtyFolders.size > 0)) {
        const isUserBusy = pkState && (pkState.scanning || pkState.loading || document.getElementById('pk-player-ov'));

        if (isUserBusy) {
            if (homeBtn) homeBtn.classList.remove('pk-status-dot');

            await sleep(2000);
            continue;
        }

        if (homeBtn) homeBtn.classList.add('pk-status-dot');

        if (backgroundQueue.length > 0 && activeRequests < Math.floor(currentConcurrencyLimit)) {
            const folder = backgroundQueue.pop();

            fetchFolderContents(folder);
            await sleep(50);
        }
        else if (activeRequests > 0 || pendingRetries > 0) {
            await sleep(500);
        }
        else if (typeof globalDirtyFolders !== 'undefined' && globalDirtyFolders.size > 0) {
            const dirtyId = Array.from(globalDirtyFolders)[0];
            globalDirtyFolders.delete(dirtyId);

            if (typeof globalCache !== 'undefined') {
                for (const k of globalCache.keys()) {
                    if (k && k.startsWith('__analyze_nodeMap_')) {
                        globalCache.delete(k);
                    }
                }
            }

            const normalizedId = dirtyId === 'root' ? '' : dirtyId;
            backgroundQueue.unshift({ id: normalizedId, name: "Dirty_Reval", retryCount: 0 });
            continue;
        }
        else {
            let discovered = 0;
            if (typeof globalCache !== 'undefined') {
                for (const [parentFid, files] of globalCache) {
                    if (!files) continue;
                    for (let i = 0; i < files.length; i++) {
                        const f = files[i];
                        if (f.kind === 'drive#folder' && !scannedFolderIds.has(f.id)) {
                            backgroundQueue.push({ id: f.id, name: f.name, retryCount: 0 });
                            scannedFolderIds.add(f.id);
                            discovered++;
                        }
                    }
                    if (discovered > 0) break;
                }
            }
            if (discovered === 0) break;
        }
    }
    isBackgroundRunning = false;
    if (window.pkUpdateCrawlerUI) window.pkUpdateCrawlerUI();
    if (homeBtn) homeBtn.classList.remove('pk-status-dot');
}

async function preLoadRootFiles(onProgress) {
    if (globalPreloadPromise) return globalPreloadPromise;

    console.log("Initiating background pre-load...");
    globalPreloadPromise = new Promise(async (resolve) => {
        try {

            const isAuthReady = await waitForAuth(2500);
            if (!isAuthReady) {
                console.warn("Background Crawler: Auth token wait timeout. Halting preload.");
                resolve(false);
                return;
            }

            if (typeof window.pkCleanupGhostFiles === 'function') window.pkCleanupGhostFiles();

            const rootFiles = await apiList('', 1000, onProgress);
            globalCache.set('root', rootFiles);
            console.log("Background pre-load (Root) successful.");

            const rootFolders = rootFiles.filter(f => f.kind === 'drive#folder');
            rootFolders.forEach(f => {
                if (!scannedFolderIds.has(f.id)) {
                    backgroundQueue.push({ id: f.id, name: f.name });
                    scannedFolderIds.add(f.id);
                }
            });

            runBackgroundCrawler();

        } catch (e) {
            console.error("Background pre-load failed:", e);
        } finally {
            resolve(globalCache.has('root'));
        }
    });

    return globalPreloadPromise;
}

async function tryInject() {
    if (location.href.includes('/login') || location.pathname.includes('login')) return;

    console.log("🚀 PikPak Script: Attempting inject.");
    if (document.getElementById('pk-launch')) {
        console.log("🚀 PikPak Script: Already injected.");
        return;
    }

    if (!document.body) {
        console.log("🚀 PikPak Script: Body not ready, retrying...");
        setTimeout(tryInject, 500);
        return;
    }

    inject();

    window.pkScheduleResumeTasks = (reason = 'visibility') => {
        if (window.__pkResumeTaskTimer) clearTimeout(window.__pkResumeTaskTimer);
        const waitMs = (typeof window.pkIsAuthRecoveryActive === 'function' && window.pkIsAuthRecoveryActive()) ? 900 : 120;
        window.__pkResumeTaskTimer = setTimeout(() => {
            if (typeof window.pkIsAuthRecoveryActive === 'function' && window.pkIsAuthRecoveryActive()) {
                console.log(`🚀 [Resume Sync] Auth recovery active, deferring resume tasks (${reason}).`);
                window.pkScheduleResumeTasks(`auth-wait:${reason}`);
                return;
            }
            if (location.href.includes('/login') || location.pathname.includes('login')) return;
            if (typeof DurationProber !== 'undefined') DurationProber.checkAndRun();
            if (typeof isBackgroundRunning !== 'undefined' && !isBackgroundRunning) runBackgroundCrawler();
            if (typeof pkState !== 'undefined' && pkState && pkState.uploadMode) {
                if (typeof refresh === 'function') refresh();
            }
        }, waitMs);
    };

    const isTurbo = typeof GM_getValue !== 'undefined' ? GM_getValue('pk_turbo_mode', false) : false;
    if (isTurbo) {
        console.log("🚀[Turbo Mode] Fast-track rendering.");
        const startTurbo = async () => {
            if (typeof window.pkIsAuthRecoveryActive === 'function' && window.pkIsAuthRecoveryActive()) {
                console.log("🚀[Turbo Mode] Auth recovery active, delaying fast-track render.");
                setTimeout(startTurbo, 900);
                return;
            }
            const preload = preLoadRootFiles();
            if (!document.querySelector('.pk-ov')) {
                await ensureI18nReadyBeforeOpen();
                await openManager(globalCache, preload);
            }
        };
        setTimeout(startTurbo, 100);
    } else {
        const startPreload = () => {
            if (typeof window.pkIsAuthRecoveryActive === 'function' && window.pkIsAuthRecoveryActive()) {
                console.log("🚀 Preload deferred during auth recovery.");
                setTimeout(startPreload, 900);
                return;
            }
            preLoadRootFiles();
        };
        setTimeout(startPreload, 1500);
    }

    if (!window.__pkResumeHooksBound) {
        window.__pkResumeHooksBound = true;

        document.addEventListener('visibilitychange', () => {
            if (!document.hidden && typeof window.pkScheduleResumeTasks === 'function') {
                window.pkScheduleResumeTasks('visibility');
            }
        });

        window.addEventListener('focus', () => {
            if (!document.hidden && typeof window.pkScheduleResumeTasks === 'function') {
                window.pkScheduleResumeTasks('focus');
            }
        });

        window.addEventListener('pageshow', () => {
            if (!document.hidden && typeof window.pkScheduleResumeTasks === 'function') {
                window.pkScheduleResumeTasks('pageshow');
            }
        });
    }

    console.log("🚀 PikPak Script: INJECT SUCCESS! Background pre-load started.");
}

function inject() {
    if (document.getElementById('pk-launch')) return;
    const b = document.createElement('button'); b.id = 'pk-launch';

    const isTurbo = typeof GM_getValue !== 'undefined' ? GM_getValue('pk_turbo_mode', false) : false;
    const displayStyle = isTurbo ? 'none!important' : 'flex!important';

    b.style.cssText = `position:fixed;bottom:20px;right:20px;width:50px;height:50px;border-radius:50%;background:#1a5eff;border:none;cursor:pointer;z-index:2147483647;box-shadow:0 4px 12px rgba(0,0,0,0.3);padding:0;overflow:hidden;transition:transform 0.1s;display:${displayStyle};align-items:center!important;justify-content:center!important;`;

    b.innerHTML = `<svg width="60%" height="60%" viewBox="0 0 238 200" version="1.1" xmlns="http://www.w3.org/2000/svg">
        <path d="M0 0 C1.82724609 0.01353516 1.82724609 0.01353516 3.69140625 0.02734375 C4.59761719 0.03894531 5.50382812 0.05054688 6.4375 0.0625 C5.95097979 7.11704304 4.33696858 12.90149479 1.6875 19.4375 C1.35234375 20.32566406 1.0171875 21.21382812 0.671875 22.12890625 C0.3315625 22.98097656 -0.00875 23.83304688 -0.359375 24.7109375 C-0.66198242 25.47583496 -0.96458984 26.24073242 -1.27636719 27.02880859 C-3.01571023 29.77913653 -4.60880008 30.70366989 -7.5625 32.0625 C-10.93383789 32.72265625 -10.93383789 32.72265625 -14.78515625 33.125 C-15.47874237 33.20142731 -16.17232849 33.27785461 -16.88693237 33.3565979 C-18.36660067 33.51855298 -19.84685768 33.67520381 -21.3276062 33.82696533 C-25.19232303 34.22318595 -29.05286739 34.65697538 -32.9140625 35.0859375 C-33.67180466 35.16903168 -34.42954681 35.25212585 -35.21025085 35.33773804 C-40.99791882 35.97875931 -46.74864414 36.77615252 -52.5 37.6875 C-61.81496788 39.10080547 -71.19269316 40.07620454 -80.5625 41.0625 C-19.8425 41.0625 40.8775 41.0625 103.4375 41.0625 C91.8875 39.7425 80.3375 38.4225 68.4375 37.0625 C63.8175 36.4025 59.1975 35.7425 54.4375 35.0625 C49.17221542 34.42736314 43.90722683 33.79696512 38.63671875 33.20703125 C37.62996094 33.08714844 36.62320313 32.96726563 35.5859375 32.84375 C34.69052246 32.74126953 33.79510742 32.63878906 32.87255859 32.53320312 C30.35601376 32.0467485 28.59527547 31.44037784 26.4375 30.0625 C23.38532266 24.97553776 21.3341425 19.45473677 19.1875 13.9375 C18.91695801 13.25671387 18.64641602 12.57592773 18.36767578 11.87451172 C16.82394482 7.78804812 16.13851057 4.42502757 16.4375 0.0625 C33.20320897 -0.76054389 50.04132 2.04640823 66.578125 4.53515625 C70.96365446 5.13439358 75.35589707 5.627565 79.75488281 6.11669922 C97.85972043 8.13836316 97.85972043 8.13836316 106.6875 9.4375 C107.39487305 9.52700928 108.10224609 9.61651855 108.83105469 9.70874023 C113.96714941 10.51808328 116.87598017 12.31623275 120.4375 16.0625 C121.69830294 18.53927732 122.67025259 20.7202309 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C-56.725388 200.56592749 -61.99052314 200.5660613 -67.25601387 200.55151749 C-69.1861191 200.54942757 -71.11624579 200.55414114 -73.04631424 200.5662384 C-75.68641426 200.58171127 -78.32533312 200.57236959 -80.96540833 200.55697632 C-81.72466655 200.56726344 -82.48392478 200.57755057 -83.26619083 200.58814943 C-90.327556 200.49750269 -96.39704041 197.82485418 -101.375 192.75 C-102.18904297 191.95142578 -102.18904297 191.95142578 -103.01953125 191.13671875 C-108.29053612 184.05088689 -108.01804154 177.09915158 -108.0300293 168.55004883 C-108.04229625 167.18245883 -108.05575106 165.81487905 -108.07029724 164.4473114 C-108.10523797 160.74401042 -108.12059214 157.04088761 -108.13013434 153.33744264 C-108.13673436 151.01403475 -108.14708893 148.69067299 -108.15863991 146.36728477 C-108.19836069 138.23287671 -108.22038571 130.09860956 -108.22827148 121.96411133 C-108.23610728 114.43116961 -108.28516577 106.89925647 -108.35333699 99.36664182 C-108.41007964 92.86514961 -108.43519788 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55.50390625 125.58984375 C58.83921214 124.68021487 60.4149221 122.75927054 62.4375 120.0625 C64.03299443 115.26404894 63.62174204 110.1852134 63.625 105.1875 C63.64336914 103.71603516 63.64336914 103.71603516 63.66210938 102.21484375 C63.77173933 93.57358621 63.77173933 93.57358621 59.75 86.1875 C54.01325068 83.39664894 49.78182352 84.71817648 45.4375 89.0625 Z M-18.5625 155.0625 C-20.89546251 157.88967213 -20.89546251 157.88967213 -20.3125 161.125 C-19.8031756 164.161959 -19.8031756 164.161959 -17.5625 166.0625 C-15.5023267 166.81656896 -13.41368556 167.49416461 -11.3125 168.125 C-10.19359375 168.46660156 -9.0746875 168.80820313 -7.921875 169.16015625 C-1.62436639 170.85169635 4.26860909 171.24487637 10.75 171.25 C11.9555957 171.26836914 11.9555957 171.26836914 13.18554688 171.28710938 C21.14907742 171.30632948 28.31945463 169.57146397 35.875 167.125 C36.88433594 166.80660156 37.89367187 166.48820313 38.93359375 166.16015625 C41.73511224 165.200361 41.73511224 165.200361 43.4375 162.0625 C43.1133631 158.74009676 42.82973697 157.45473697 40.4375 155.0625 C35.63637087 154.61062902 31.50016124 155.74460874 26.9375 157.0625 C14.69655136 160.31686985 0.092469 160.8899845 -11.5625 155.0625 C-15.0625 154.72916667 -15.0625 154.72916667 -18.5625 155.0625 Z " fill="#FDFDFD" transform="translate(107.5625,-0.0625)"/>
    </svg>`;

    const savedLeft = gmGet('pk_pos_left', null);
    const savedTop = gmGet('pk_pos_top', null);

    if (savedLeft !== null && savedTop !== null) {
        b.style.bottom = 'auto';
        b.style.right = 'auto';
        b.style.left = savedLeft;
        b.style.top = savedTop;
    } else {
        b.style.bottom = 'auto';
        b.style.right = 'auto';
        b.style.left = '10px';
        b.style.top = '430px';
    }

    let isDragging = false;
    let dragStartX, dragStartY;

    const constrainBall = () => {
        const rect = b.getBoundingClientRect();
        let newLeft = rect.left;
        let newTop = rect.top;
        const maxL = window.innerWidth - rect.width;
        const maxT = window.innerHeight - rect.height;

        if (newLeft > maxL) newLeft = maxL;
        if (newTop > maxT) newTop = maxT;
        if (newLeft < 0) newLeft = 0;
        if (newTop < 0) newTop = 0;

        b.style.left = newLeft + 'px';
        b.style.top = newTop + 'px';
    };

    window.addEventListener('resize', constrainBall);

    const blockNativeDrag = (e) => { e.preventDefault(); e.stopPropagation(); e.dataTransfer.dropEffect = 'copy'; };
    b.addEventListener('dragenter', blockNativeDrag);
    b.addEventListener('dragover', blockNativeDrag);
    b.addEventListener('drop', (e) => {
        blockNativeDrag(e);
        if (!document.querySelector('.pk-ov') || document.querySelector('.pk-ov').style.display === 'none') {
            const clickEvt = new MouseEvent('mousedown', { clientX: e.clientX, clientY: e.clientY });
            b.dispatchEvent(clickEvt);
            const upEvt = new MouseEvent('mouseup', { clientX: e.clientX, clientY: e.clientY });
            document.dispatchEvent(upEvt);
        }
    });

    b.onmousedown = (e) => {
        isDragging = false;
        dragStartX = e.clientX;
        dragStartY = e.clientY;
        const rect = b.getBoundingClientRect();
        b.style.bottom = 'auto'; b.style.right = 'auto';
        b.style.left = rect.left + 'px'; b.style.top = rect.top + 'px';
        b.style.transition = 'none';
        const offsetX = e.clientX - rect.left;
        const offsetY = e.clientY - rect.top;

        const onMove = (em) => {
            if (!isDragging && (Math.abs(em.clientX - dragStartX) > 3 || Math.abs(em.clientY - dragStartY) > 3)) {
                isDragging = true;
            }
            if (isDragging) {
                b.style.left = (em.clientX - offsetX) + 'px';
                b.style.top = (em.clientY - offsetY) + 'px';
            }
        };

        const onUp = async () => {
            document.removeEventListener('mousemove', onMove);
            document.removeEventListener('mouseup', onUp);
            b.style.transition = 'transform 0.1s';

            if (!isDragging) {
                if (window.innerWidth < 720 || window.innerHeight < 340) {
                    return;
                }

                let currentHeaders = getHeaders();
                if (!currentHeaders.Authorization || currentHeaders.Authorization.length < 10) {
                    console.warn("PikPak Master: No auth token on button click. Entering recovery recheck.");
                    if (typeof window.pkEnterAuthRecoveryWindow === 'function') window.pkEnterAuthRecoveryWindow('button-click-missing-token', 4000);
                    let isAuthReady = await waitForAuth(4500);
                    if (!isAuthReady) {
                        await sleep(800);
                        isAuthReady = await waitForAuth(4200);
                    }
                    if (!isAuthReady) {
                        console.warn("PikPak Master: Button click auth wait timeout.");
                        const didLogout = await confirmedLogout('button-click-missing-token-final', 4000, 4500);
                        if (didLogout) return;
                        return;
                    }
                    currentHeaders = getHeaders();
                }

                if (typeof window.pkMarkAuthRecovered === 'function') window.pkMarkAuthRecovered();

                const existingWin = document.querySelector('.pk-ov');
                if (existingWin) {
                    if (existingWin.style.display === 'none') {
                        const needGridReopenRelayout = !!existingWin.querySelector('.pk-win.pk-grid-view');

                        if (existingWin.querySelector('.pk-win.pk-maximized')) {
                            document.body.classList.add('pk-body-max');
                        }

                        existingWin.style.display = 'flex';
                        existingWin.focus();

                        if (needGridReopenRelayout) {
                            requestAnimationFrame(() => {
                                requestAnimationFrame(() => {
                                    window.dispatchEvent(new Event('resize'));
                                });
                            });
                        }
                    } else {
                        existingWin.style.display = 'none';
                    }
                } else {
                    await ensureI18nReadyBeforeOpen();
                    openManager(globalCache, globalPreloadPromise);
                }
            } else {
                constrainBall();
                gmSet('pk_pos_left', b.style.left);
                gmSet('pk_pos_top', b.style.top);
            }
        };
        document.addEventListener('mousemove', onMove);
        document.addEventListener('mouseup', onUp);
    };

    document.body.appendChild(b);

    setTimeout(constrainBall, 0);

    console.log("🚀 Button Created!");
}

const startObserver = () => {
    if (!document.body) return;
    const obs = new MutationObserver(() => {
        if (!document.getElementById('pk-launch')) {
            tryInject();
        }
    });
    obs.observe(document.body, { childList: true, subtree: true });
};

if (document.readyState === 'loading') {
    window.addEventListener('DOMContentLoaded', () => {
        tryInject();
        startObserver();
    });
} else {
    tryInject();
    startObserver();
}
})()
;