☰

Video Detector & Player (Universal)

Detects videos on any site with universal network interception, HLS support, pagination, resizable UI, and optimized players.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

Tendrás que instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Tendrás que instalar una extensión como Tampermonkey antes de poder instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         Video Detector & Player (Universal)
// @namespace    http://tampermonkey.net/
// @version      1.4.0
// @description  Detects videos on any site with universal network interception, HLS support, pagination, resizable UI, and optimized players.
// @author       Manus
// @match        *://*/*
// @grant        GM_download
// @grant        GM_addStyle
// @grant        GM_registerMenuCommand
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_xmlhttpRequest
// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/hls.js/1.4.12/hls.min.js
// @connect      *
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';

    // --- Configuration ---
    const CONFIG = {
        autoSaveDir: GM_getValue('autoSaveDir', 'Video_Downloads'),
        maxConcurrentDownloads: 3,
        videoExtensions: new Set(['.mp4', '.webm', '.mkv', '.mov', '.m4v', '.m3u8', '.mpd', '.ts', '.avi', '.flv', '.wmv']),
        videoKeywords: new Set(['video', 'media', 'stream', 'play', 'movie', 'film', 'clip', 'content']),
        batchSize: 10,
        scanDebounce: 500,
        itemsPerPage: GM_getValue('itemsPerPage', 6),
        currentPage: 1,
        panelSize: {
            width: GM_getValue('panelWidth', 380),
            height: GM_getValue('panelHeight', 600)
        }
    };

    // --- Styles (optimized with CSS containment and custom player controls) ---
    GM_addStyle(`
        #vd-root-container {
            all: initial;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            box-sizing: border-box;
            contain: content;
        }
        #vd-root-container * {
            box-sizing: border-box !important;
            margin: 0;
            padding: 0;
        }

        /* Main Panel */
        .vd-panel {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: #1a1a1a;
            color: #ffffff;
            border: 1px solid #333;
            border-radius: 12px;
            padding: 16px;
            z-index: 2147483640;
            width: ${CONFIG.panelSize.width}px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.5);
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: transform 0.2s ease, opacity 0.2s ease;
            will-change: transform, opacity;
            contain: layout style;
            resize: both;
            overflow: auto;
            min-width: 280px;
            min-height: 200px;
            max-width: 90vw;
            max-height: 90vh;
        }
        .vd-panel.vd-hidden {
            transform: translateY(150%);
            opacity: 0;
            pointer-events: none;
        }

        /* Panel Resize Controls */
        .vd-resize-controls {
            display: flex;
            gap: 8px;
            align-items: center;
            justify-content: flex-end;
            padding: 4px 0;
        }
        .vd-resize-btn {
            background: #333;
            border: 1px solid #555;
            color: #fff;
            padding: 4px 8px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 12px;
            transition: background 0.2s;
        }
        .vd-resize-btn:hover {
            background: #444;
        }

        .vd-panel .header { display: flex; justify-content: space-between; align-items: center; }
        .vd-panel .title { font-weight: bold; font-size: 16px; color: #4CAF50; }
        .vd-panel .close-btn { cursor: pointer; font-size: 18px; color: #888; padding: 4px; }
        .vd-panel .close-btn:hover { color: #fff; }
        .vd-panel .stats { font-size: 13px; color: #aaa; }
        .vd-panel .action-btn {
            background: #4CAF50;
            color: white;
            border: none;
            padding: 10px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            font-size: 14px;
            text-align: center;
            transition: background 0.2s;
        }
        .vd-panel .action-btn:hover { background: #45a049; }
        .vd-panel .secondary-btn { background: #333; margin-top: -4px; }
        .vd-panel .secondary-btn:hover { background: #444; }

        /* Overlay/Modal */
        .vd-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0,0,0,0.85);
            z-index: 2147483647;
            display: none;
            justify-content: center;
            align-items: center;
            backdrop-filter: blur(4px);
            contain: strict;
        }
        .vd-modal {
            background: #111;
            width: 95%;
            height: 95%;
            max-width: 1600px;
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            border: 1px solid #333;
            box-shadow: 0 20px 60px rgba(0,0,0,0.8);
            contain: content;
        }
        .vd-modal-header {
            padding: 16px 24px;
            background: #1a1a1a;
            border-bottom: 1px solid #333;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-shrink: 0;
        }
        .vd-modal-title { font-size: 18px; font-weight: bold; color: #fff; }
        .vd-modal-close { cursor: pointer; font-size: 24px; color: #888; }

        /* Grid Layout */
        .vd-grid {
            flex: 1;
            padding: 24px;
            overflow-y: auto;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 20px;
            background: #0a0a0a;
            align-content: start;
            contain: content;
            will-change: scroll-position;
        }

        /* Video Card */
        .vd-card {
            background: #1a1a1a;
            border: 1px solid #333;
            border-radius: 8px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: fit-content;
            contain: layout style;
            transition: border-color 0.2s;
        }
        .vd-card:hover {
            border-color: #555;
        }

        /* Custom Video Player */
        .vd-video-container {
            width: 100%;
            aspect-ratio: 16/9;
            background: #000;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            contain: strict;
            cursor: pointer;
        }
        .vd-video-container video {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: contain;
            max-height: 100%;
        }

        /* Custom Controls */
        .vd-player-controls {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            padding: 20px 10px 5px;
            opacity: 0;
            transition: opacity 0.3s;
            pointer-events: none;
        }
        .vd-video-container:hover .vd-player-controls,
        .vd-video-container.vd-controls-visible .vd-player-controls {
            opacity: 1;
            pointer-events: auto;
        }

        .vd-progress-bar {
            width: 100%;
            height: 4px;
            background: rgba(255,255,255,0.2);
            cursor: pointer;
            margin-bottom: 8px;
            position: relative;
        }
        .vd-progress-filled {
            height: 100%;
            background: #4CAF50;
            width: 0%;
            transition: width 0.1s;
        }
        .vd-controls-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .vd-control-btn {
            background: rgba(255,255,255,0.1);
            border: none;
            color: white;
            padding: 4px 8px;
            border-radius: 3px;
            cursor: pointer;
            font-size: 12px;
            transition: background 0.2s;
            white-space: nowrap;
        }
        .vd-control-btn:hover {
            background: rgba(255,255,255,0.2);
        }
        .vd-time-display {
            color: white;
            font-size: 11px;
            margin-left: auto;
        }
        .vd-speed-menu {
            position: absolute;
            bottom: 40px;
            right: 10px;
            background: #333;
            border: 1px solid #555;
            border-radius: 4px;
            padding: 4px 0;
            display: none;
            z-index: 10;
        }
        .vd-speed-menu.active {
            display: block;
        }
        .vd-speed-option {
            padding: 6px 16px;
            cursor: pointer;
            font-size: 12px;
            color: #fff;
        }
        .vd-speed-option:hover {
            background: #444;
        }

        .vd-placeholder {
            position: absolute;
            color: #555;
            font-size: 14px;
            text-align: center;
            z-index: 1;
            pointer-events: none;
        }

        .vd-card-info { padding: 12px; display: flex; flex-direction: column; gap: 8px; }
        .vd-card-name { font-size: 13px; color: #eee; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 500; }
        .vd-card-url { font-size: 11px; color: #666; word-break: break-all; max-height: 32px; overflow: hidden; line-height: 1.4; }
        .vd-url-copy-btn {
            background: #2a2a2a;
            border: 1px solid #444;
            color: #ccc;
            padding: 4px 8px;
            border-radius: 3px;
            cursor: pointer;
            font-size: 11px;
            margin-top: 4px;
        }
        .vd-url-copy-btn:hover {
            background: #3a3a3a;
        }
        .vd-card-actions { display: flex; gap: 8px; margin-top: 4px; }
        .vd-card-btn {
            flex: 1;
            padding: 8px 4px;
            font-size: 12px;
            border-radius: 4px;
            border: 1px solid #444;
            background: #2a2a2a;
            color: #ccc;
            cursor: pointer;
            text-align: center;
            font-weight: 500;
            transition: all 0.15s;
        }
        .vd-card-btn:hover { background: #3a3a3a; color: #fff; border-color: #666; }
        .vd-card-btn.primary { background: #4CAF50; border-color: #4CAF50; color: #fff; }
        .vd-card-btn.primary:hover { background: #45a049; }

        /* Pagination */
        .vd-pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px;
            background: #1a1a1a;
            border-top: 1px solid #333;
            flex-shrink: 0;
        }
        .vd-page-btn {
            background: #333;
            border: 1px solid #555;
            color: #fff;
            padding: 6px 12px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 13px;
            transition: background 0.2s;
            min-width: 35px;
        }
        .vd-page-btn:hover:not(:disabled) {
            background: #444;
        }
        .vd-page-btn.active {
            background: #4CAF50;
            border-color: #4CAF50;
        }
        .vd-page-btn:disabled {
            opacity: 0.3;
            cursor: not-allowed;
        }
        .vd-page-info {
            color: #aaa;
            font-size: 13px;
            margin: 0 8px;
        }

        .vd-modal-footer {
            padding: 16px 24px;
            background: #1a1a1a;
            border-top: 1px solid #333;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-shrink: 0;
        }
        .vd-stats-footer { font-size: 14px; color: #aaa; }

        /* Mobile adjustments */
        @media (max-width: 600px) {
            .vd-grid { grid-template-columns: 1fr; padding: 12px; }
            .vd-modal { width: 100%; height: 100%; border-radius: 0; }
            .vd-panel { width: calc(100% - 40px); left: 20px; right: 20px; bottom: 10px; }
            .vd-player-controls { padding: 15px 5px 3px; }
            .vd-control-btn { padding: 3px 6px; font-size: 10px; }
        }
    `);

    // --- State Management ---
    const state = {
        videos: new Map(),
        isModalOpen: false,
        observer: null,
        intersectionObserver: null,
        hlsPlayers: new Set(),
        scanTimer: null,
        lastScanTime: 0,
        currentPage: CONFIG.currentPage,
        itemsPerPage: CONFIG.itemsPerPage,
        totalPages: 1,
        activePlayers: new Set(),
        playerTimers: new Map()
    };

    // --- Helper Functions ---
    const getFileName = (url, index) => {
        try {
            const urlObj = new URL(url);
            let name = urlObj.pathname.split('/').pop() || '';
            name = name.split('?')[0];

            if (!name || !name.includes('.') || name.length < 3) {
                const ext = url.includes('.m3u8') ? '.m3u8' : (url.includes('.mpd') ? '.mpd' : '.mp4');
                name = `video_${index}${ext}`;
            }
            return decodeURIComponent(name).replace(/[^a-zA-Z0-9._-]/g, '_');
        } catch {
            return `video_${index}.mp4`;
        }
    };

    const copyToClipboard = async (text) => {
        try {
            if (navigator.clipboard && window.isSecureContext) {
                await navigator.clipboard.writeText(text);
                return true;
            }
        } catch {}

        const el = document.createElement('textarea');
        el.value = text;
        el.style.position = 'fixed';
        el.style.opacity = '0';
        document.body.appendChild(el);
        el.select();
        document.execCommand('copy');
        document.body.removeChild(el);
        return true;
    };

    // --- Network Interception (optimized) ---
    function initNetworkSniffer() {
        const videoCheckBuffer = [];
        let bufferTimer = null;

        const processVideoBuffer = () => {
            if (videoCheckBuffer.length === 0) return;
            const urlsToCheck = videoCheckBuffer.splice(0);
            urlsToCheck.forEach(url => checkAndAddVideo(url));
        };

        const queueVideoCheck = (url) => {
            if (!url || typeof url !== 'string') return;
            const lowerUrl = url.toLowerCase();
            if (!isPotentialVideoUrl(lowerUrl)) return;

            videoCheckBuffer.push(url);
            if (videoCheckBuffer.length > 100) {
                processVideoBuffer();
                return;
            }

            if (!bufferTimer) {
                bufferTimer = setTimeout(() => {
                    bufferTimer = null;
                    processVideoBuffer();
                }, 100);
            }
        };

        const originalFetch = window.fetch;
        window.fetch = function(...args) {
            try {
                const url = typeof args[0] === 'string' ? args[0] :
                           (args[0] instanceof URL ? args[0].href :
                           (args[0]?.url || ''));
                queueVideoCheck(url);
            } catch {}
            return originalFetch.apply(this, args);
        };

        const originalOpen = XMLHttpRequest.prototype.open;
        XMLHttpRequest.prototype.open = function(method, url) {
            try {
                queueVideoCheck(url);
            } catch {}
            return originalOpen.apply(this, arguments);
        };
    }

    const isPotentialVideoUrl = (lowerUrl) => {
        if (CONFIG.videoExtensions.has(lowerUrl.slice(-4)) ||
            CONFIG.videoExtensions.has(lowerUrl.slice(-5))) {
            return true;
        }

        return lowerUrl.includes('.m3u8') ||
               lowerUrl.includes('.mpd') ||
               lowerUrl.includes('googlevideo.com') ||
               lowerUrl.includes('/video/') ||
               lowerUrl.includes('videoplayback') ||
               lowerUrl.includes('video_url');
    };

    function checkAndAddVideo(url) {
        if (!url || typeof url !== 'string' || state.videos.has(url)) return;

        const lowerUrl = url.toLowerCase();

        if (lowerUrl.includes('analytics') ||
            lowerUrl.includes('log') ||
            lowerUrl.includes('tracking') ||
            lowerUrl.length < 10) return;

        if (!isPotentialVideoUrl(lowerUrl)) return;

        if (CONFIG.videoExtensions.has(lowerUrl.slice(-4))) {
            if (lowerUrl.endsWith('.m4a') || lowerUrl.endsWith('.mp3')) return;
        }

        state.videos.set(url, {
            url,
            addedAt: Date.now(),
            selected: true,
            playerInstance: null
        });

        updateUI();
    }

    // --- Core Logic ---
    function scanForVideos() {
        const now = Date.now();
        if (now - state.lastScanTime < CONFIG.scanDebounce) return;
        state.lastScanTime = now;

        if (window.requestIdleCallback) {
            requestIdleCallback(() => performScan());
        } else {
            setTimeout(performScan, 0);
        }
    }

    function performScan() {
        const videoUrls = new Set();

        document.querySelectorAll('video[src], video source[src]').forEach(el => {
            const src = el.tagName === 'SOURCE' ? el.src : el.currentSrc || el.src;
            if (src && !src.startsWith('blob:')) {
                videoUrls.add(src);
            }
        });

        const links = document.querySelectorAll('a[href]');
        for (let i = 0; i < links.length; i++) {
            const href = links[i].href;
            if (href && isPotentialVideoUrl(href.toLowerCase())) {
                videoUrls.add(href);
            }
        }

        const pageText = document.documentElement.innerHTML;
        const videoRegex = /https?:\/\/[^\s"'<>]+?\.(mp4|m3u8|webm|mkv|mov|mpd|avi|flv)(?:\?[^\s"'<>]*)?/gi;
        let match;
        while ((match = videoRegex.exec(pageText)) !== null) {
            videoUrls.add(match[0]);
        }

        const urlsArray = Array.from(videoUrls);
        for (let i = 0; i < urlsArray.length; i += CONFIG.batchSize) {
            const batch = urlsArray.slice(i, i + CONFIG.batchSize);
            setTimeout(() => {
                batch.forEach(url => checkAndAddVideo(url));
            }, 0);
        }
    }

    function initObservers() {
        state.observer = new MutationObserver((mutations) => {
            let shouldScan = false;
            for (let i = 0; i < mutations.length; i++) {
                const mutation = mutations[i];
                if (mutation.addedNodes.length > 0) {
                    for (let j = 0; j < mutation.addedNodes.length; j++) {
                        const node = mutation.addedNodes[j];
                        if (node.nodeType === 1) {
                            const tagName = node.tagName?.toLowerCase();
                            if (tagName === 'video' || tagName === 'source' ||
                                tagName === 'a' || tagName === 'div' ||
                                tagName === 'iframe' || tagName === 'script') {
                                shouldScan = true;
                                break;
                            }
                        }
                    }
                    if (shouldScan) break;
                }
            }

            if (shouldScan) {
                clearTimeout(state.scanTimer);
                state.scanTimer = setTimeout(scanForVideos, CONFIG.scanDebounce);
            }
        });

        if (document.body) {
            state.observer.observe(document.body, {
                childList: true,
                subtree: true
            });
        }

        state.intersectionObserver = new IntersectionObserver((entries) => {
            entries.forEach(entry => {
                const video = entry.target;
                if (entry.isIntersecting && video.dataset.src && !video.dataset.loaded) {
                    loadVideoSource(video, video.dataset.src);
                    state.intersectionObserver.unobserve(video);
                } else if (!entry.isIntersecting && !video.paused) {
                    // Pause video when out of view to save resources
                    video.pause();
                }
            });
        }, {
            threshold: 0.1,
            rootMargin: '100px'
        });
    }

    function loadVideoSource(videoEl, url) {
        videoEl.dataset.loaded = "true";
        if (url.includes('.m3u8') && typeof Hls !== 'undefined' && Hls.isSupported()) {
            const hls = new Hls({
                enableWorker: true,
                lowLatencyMode: true,
                maxBufferLength: 30,
                maxMaxBufferLength: 60
            });
            hls.loadSource(url);
            hls.attachMedia(videoEl);
            state.hlsPlayers.add(hls);
        } else {
            videoEl.src = url;
            videoEl.load();
        }
    }

    // --- UI Components ---
    let panelEl, overlayEl, gridEl;

    function createUI() {
        if (document.getElementById('vd-root-container')) return;

        const root = document.createElement('div');
        root.id = 'vd-root-container';
        document.body.appendChild(root);

        // Panel with resize controls
        panelEl = document.createElement('div');
        panelEl.className = 'vd-panel vd-hidden';
        root.appendChild(panelEl);

        // Overlay/Modal
        overlayEl = document.createElement('div');
        overlayEl.className = 'vd-overlay';
        overlayEl.innerHTML = `
            <div class="vd-modal">
                <div class="vd-modal-header">
                    <div class="vd-modal-title">Detected Videos</div>
                    <div class="vd-modal-close">✕</div>
                </div>
                <div class="vd-grid"></div>
                <div class="vd-pagination"></div>
                <div class="vd-modal-footer">
                    <div class="vd-stats-footer">0 videos selected</div>
                    <div style="display: flex; gap: 12px;">
                        <button class="vd-card-btn" id="vd-btn-select-all">Select All</button>
                        <button class="vd-card-btn primary" id="vd-btn-download-zip">Download Selected (ZIP)</button>
                    </div>
                </div>
            </div>
        `;
        root.appendChild(overlayEl);
        gridEl = overlayEl.querySelector('.vd-grid');

        // Event listeners
        overlayEl.addEventListener('click', handleOverlayClick);
        overlayEl.querySelector('#vd-btn-select-all').addEventListener('click', handleSelectAll);
        overlayEl.querySelector('#vd-btn-download-zip').addEventListener('click', downloadZip);

        initNetworkSniffer();
        scanForVideos();
    }

    function updateUI() {
        if (!panelEl) return;
        const count = state.videos.size;
        if (count > 0) {
            panelEl.classList.remove('vd-hidden');
            panelEl.innerHTML = `
                <div class="header">
                    <div class="title">Video Detector</div>
                    <div class="close-btn">✕</div>
                </div>
                <div class="stats">${count} video(s) detected</div>
                <div class="vd-resize-controls">
                    <button class="vd-resize-btn" data-action="width-minus">W-</button>
                    <button class="vd-resize-btn" data-action="width-plus">W+</button>
                    <button class="vd-resize-btn" data-action="height-minus">H-</button>
                    <button class="vd-resize-btn" data-action="height-plus">H+</button>
                </div>
                <button class="action-btn">Review Videos</button>
                <button class="action-btn secondary-btn">Download All</button>
            `;

            panelEl.querySelector('.close-btn').addEventListener('click', (e) => {
                e.stopPropagation();
                panelEl.classList.add('vd-hidden');
            });

            panelEl.querySelector('.action-btn').addEventListener('click', () => toggleModal(true));
            panelEl.querySelector('.secondary-btn').addEventListener('click', downloadZip);

            // Resize controls
            panelEl.querySelectorAll('.vd-resize-btn').forEach(btn => {
                btn.addEventListener('click', (e) => {
                    e.stopPropagation();
                    handleResize(e.target.dataset.action);
                });
            });
        }
    }

    function handleResize(action) {
        const currentWidth = panelEl.offsetWidth;
        const currentHeight = panelEl.offsetHeight;
        const step = 50;

        switch(action) {
            case 'width-plus':
                CONFIG.panelSize.width = Math.min(currentWidth + step, window.innerWidth * 0.9);
                GM_setValue('panelWidth', CONFIG.panelSize.width);
                break;
            case 'width-minus':
                CONFIG.panelSize.width = Math.max(currentWidth - step, 280);
                GM_setValue('panelWidth', CONFIG.panelSize.width);
                break;
            case 'height-plus':
                CONFIG.panelSize.height = Math.min(currentHeight + step, window.innerHeight * 0.9);
                GM_setValue('panelHeight', CONFIG.panelSize.height);
                break;
            case 'height-minus':
                CONFIG.panelSize.height = Math.max(currentHeight - step, 200);
                GM_setValue('panelHeight', CONFIG.panelSize.height);
                break;
        }

        panelEl.style.width = CONFIG.panelSize.width + 'px';
        panelEl.style.height = CONFIG.panelSize.height + 'px';
    }

    function handleOverlayClick(e) {
        const target = e.target;

        if (target.classList.contains('vd-modal-close') || target === overlayEl) {
            toggleModal(false);
            return;
        }

        // Player controls
        if (target.classList.contains('vd-control-btn')) {
            handlePlayerControl(target);
            return;
        }

        if (target.classList.contains('vd-progress-bar') || target.classList.contains('vd-progress-filled')) {
            handleProgressBarClick(target, e);
            return;
        }

        if (target.classList.contains('vd-speed-option')) {
            handleSpeedSelection(target);
            return;
        }

        if (target.classList.contains('vd-url-copy-btn')) {
            handleUrlCopy(target);
            return;
        }

        const card = target.closest('.vd-card');
        if (!card) return;

        const videoUrl = card.dataset.url;
        const video = state.videos.get(videoUrl);
        if (!video) return;

        if (target.classList.contains('vd-copy')) {
            copyToClipboard(videoUrl);
            const oldText = target.textContent;
            target.textContent = 'Copied!';
            setTimeout(() => target.textContent = oldText, 2000);
        } else if (target.classList.contains('vd-open')) {
            window.open(videoUrl, '_blank');
        } else if (target.classList.contains('vd-dl')) {
            GM_download({
                url: videoUrl,
                name: getFileName(videoUrl, Array.from(state.videos.keys()).indexOf(videoUrl)),
                saveAs: true
            });
        } else if (target.classList.contains('vd-checkbox')) {
            video.selected = target.checked;
            updateStats();
        }
    }

    function handlePlayerControl(btn) {
        const videoContainer = btn.closest('.vd-video-container');
        const video = videoContainer?.querySelector('video');
        if (!video) return;

        const action = btn.dataset.action;
        const card = btn.closest('.vd-card');
        const videoUrl = card?.dataset.url;

        switch(action) {
            case 'play-pause':
                if (video.paused) {
                    video.play();
                    btn.textContent = '⏸';
                } else {
                    video.pause();
                    btn.textContent = '▶';
                }
                break;
            case 'fullscreen':
                if (videoContainer.requestFullscreen) {
                    videoContainer.requestFullscreen();
                } else if (video.webkitRequestFullscreen) {
                    video.webkitRequestFullscreen();
                }
                break;
            case 'speed':
                toggleSpeedMenu(btn);
                break;
            case 'zoom-in':
                video.style.transform = `scale(${Math.min(getVideoScale(video) + 0.1, 2)})`;
                break;
            case 'zoom-out':
                video.style.transform = `scale(${Math.max(getVideoScale(video) - 0.1, 0.5)})`;
                break;
            case 'color':
                cycleColorFilter(video);
                break;
        }
    }

    function getVideoScale(video) {
        const transform = video.style.transform;
        const match = transform.match(/scale\(([\d.]+)\)/);
        return match ? parseFloat(match[1]) : 1;
    }

    function toggleSpeedMenu(btn) {
        const container = btn.closest('.vd-video-container');
        const speedMenu = container.querySelector('.vd-speed-menu');
        if (speedMenu) {
            speedMenu.classList.toggle('active');
        }
    }

    function handleSpeedSelection(btn) {
        const speed = parseFloat(btn.dataset.speed);
        const container = btn.closest('.vd-video-container');
        const video = container.querySelector('video');
        const speedMenu = container.querySelector('.vd-speed-menu');

        if (video) {
            video.playbackRate = speed;
        }
        if (speedMenu) {
            speedMenu.classList.remove('active');
        }

        const speedBtn = container.querySelector('[data-action="speed"]');
        if (speedBtn) {
            speedBtn.textContent = `${speed}x`;
        }
    }

    function cycleColorFilter(video) {
        const filters = [
            'none',
            'brightness(1.2) contrast(1.1)',
            'saturate(1.5)',
            'sepia(0.5)',
            'hue-rotate(90deg)',
            'grayscale(1)'
        ];

        const currentFilter = video.style.filter || 'none';
        const currentIndex = filters.indexOf(currentFilter);
        const nextIndex = (currentIndex + 1) % filters.length;
        video.style.filter = filters[nextIndex];
    }

    function handleProgressBarClick(target, e) {
        const progressBar = target.classList.contains('vd-progress-bar') ? target : target.parentElement;
        const container = progressBar.closest('.vd-video-container');
        const video = container.querySelector('video');
        if (!video) return;

        const rect = progressBar.getBoundingClientRect();
        const clickX = e.clientX - rect.left;
        const percentage = clickX / rect.width;
        video.currentTime = percentage * video.duration;
    }

    function handleUrlCopy(btn) {
        const card = btn.closest('.vd-card');
        const videoUrl = card?.dataset.url;
        if (videoUrl) {
            copyToClipboard(videoUrl);
            const oldText = btn.textContent;
            btn.textContent = 'Copied!';
            setTimeout(() => btn.textContent = oldText, 2000);
        }
    }

    function handleSelectAll() {
        const allSelected = Array.from(state.videos.values()).every(v => v.selected);
        state.videos.forEach(v => v.selected = !allSelected);
        renderGrid();
    }

    function toggleModal(show) {
        state.isModalOpen = show;
        overlayEl.style.display = show ? 'flex' : 'none';
        if (show) {
            renderGrid();
            document.body.style.overflow = 'hidden';
        } else {
            document.body.style.overflow = '';
            // Cleanup all players
            cleanupPlayers();
        }
    }

    function cleanupPlayers() {
        state.hlsPlayers.forEach(p => p.destroy());
        state.hlsPlayers.clear();

        state.activePlayers.forEach(video => {
            if (!video.paused) {
                video.pause();
            }
            video.removeAttribute('src');
            video.load();
        });
        state.activePlayers.clear();

        state.playerTimers.forEach(timer => clearInterval(timer));
        state.playerTimers.clear();
    }

    function updateStats() {
        const selectedCount = Array.from(state.videos.values()).filter(v => v.selected).length;
        overlayEl.querySelector('.vd-stats-footer').textContent = `${selectedCount} videos selected`;
    }

    function updatePagination() {
        const paginationEl = overlayEl.querySelector('.vd-pagination');
        if (!paginationEl) return;

        const totalVideos = state.videos.size;
        state.totalPages = Math.ceil(totalVideos / state.itemsPerPage) || 1;

        if (state.currentPage > state.totalPages) {
            state.currentPage = state.totalPages;
        }

        let paginationHTML = `
            <button class="vd-page-btn" data-page="prev" ${state.currentPage === 1 ? 'disabled' : ''}>←</button>
        `;

        // Show page numbers with ellipsis for many pages
        const maxVisiblePages = 7;
        let startPage = Math.max(1, state.currentPage - Math.floor(maxVisiblePages / 2));
        let endPage = Math.min(state.totalPages, startPage + maxVisiblePages - 1);

        if (endPage - startPage < maxVisiblePages - 1) {
            startPage = Math.max(1, endPage - maxVisiblePages + 1);
        }

        if (startPage > 1) {
            paginationHTML += `<button class="vd-page-btn" data-page="1">1</button>`;
            if (startPage > 2) {
                paginationHTML += `<span class="vd-page-info">...</span>`;
            }
        }

        for (let i = startPage; i <= endPage; i++) {
            paginationHTML += `<button class="vd-page-btn ${i === state.currentPage ? 'active' : ''}" data-page="${i}">${i}</button>`;
        }

        if (endPage < state.totalPages) {
            if (endPage < state.totalPages - 1) {
                paginationHTML += `<span class="vd-page-info">...</span>`;
            }
            paginationHTML += `<button class="vd-page-btn" data-page="${state.totalPages}">${state.totalPages}</button>`;
        }

        paginationHTML += `
            <button class="vd-page-btn" data-page="next" ${state.currentPage === state.totalPages ? 'disabled' : ''}>→</button>
            <span class="vd-page-info">Page ${state.currentPage} of ${state.totalPages}</span>
        `;

        paginationEl.innerHTML = paginationHTML;

        // Add event listeners
        paginationEl.querySelectorAll('.vd-page-btn').forEach(btn => {
            btn.addEventListener('click', () => {
                const page = btn.dataset.page;
                if (page === 'prev' && state.currentPage > 1) {
                    state.currentPage--;
                } else if (page === 'next' && state.currentPage < state.totalPages) {
                    state.currentPage++;
                } else if (page !== 'prev' && page !== 'next') {
                    state.currentPage = parseInt(page);
                }
                renderGrid();
            });
        });
    }

    function createPlayerControls(videoUrl, fileName) {
        return `
            <div class="vd-player-controls">
                <div class="vd-progress-bar">
                    <div class="vd-progress-filled"></div>
                </div>
                <div class="vd-controls-row">
                    <button class="vd-control-btn" data-action="play-pause">▶</button>
                    <button class="vd-control-btn" data-action="fullscreen">⛶</button>
                    <button class="vd-control-btn" data-action="speed">1x</button>
                    <button class="vd-control-btn" data-action="zoom-in">🔍+</button>
                    <button class="vd-control-btn" data-action="zoom-out">🔍-</button>
                    <button class="vd-control-btn" data-action="color">🎨</button>
                    <span class="vd-time-display">0:00 / 0:00</span>
                </div>
                <div class="vd-speed-menu">
                    <div class="vd-speed-option" data-speed="0.25">0.25x</div>
                    <div class="vd-speed-option" data-speed="0.5">0.5x</div>
                    <div class="vd-speed-option" data-speed="0.75">0.75x</div>
                    <div class="vd-speed-option" data-speed="1">1x</div>
                    <div class="vd-speed-option" data-speed="1.25">1.25x</div>
                    <div class="vd-speed-option" data-speed="1.5">1.5x</div>
                    <div class="vd-speed-option" data-speed="2">2x</div>
                </div>
            </div>
        `;
    }

    function renderGrid() {
        const fragment = document.createDocumentFragment();
        const videoList = Array.from(state.videos.values()).sort((a, b) => b.addedAt - a.addedAt);

        const startIndex = (state.currentPage - 1) * state.itemsPerPage;
        const endIndex = Math.min(startIndex + state.itemsPerPage, videoList.length);
        const pageVideos = videoList.slice(startIndex, endIndex);

        updateStats();
        updatePagination();

        pageVideos.forEach((video, idx) => {
            const card = document.createElement('div');
            card.className = 'vd-card';
            card.dataset.url = video.url;

            const globalIdx = startIndex + idx;
            const fileName = getFileName(video.url, globalIdx);

            card.innerHTML = `
                <div class="vd-video-container">
                    <div class="vd-placeholder">Loading player...</div>
                    ${createPlayerControls(video.url, fileName)}
                </div>
                <div class="vd-card-info">
                    <div class="vd-card-name" title="${fileName}">${fileName}</div>
                    <div class="vd-card-url" title="${video.url}">${video.url}</div>
                    <button class="vd-url-copy-btn">Copy URL</button>
                    <div class="vd-card-actions">
                        <button class="vd-card-btn vd-open">Open</button>
                        <button class="vd-card-btn primary vd-dl">Download</button>
                    </div>
                    <label style="display: flex; align-items: center; gap: 8px; margin-top: 4px; cursor: pointer;">
                        <input type="checkbox" ${video.selected ? 'checked' : ''} class="vd-checkbox">
                        <span style="font-size: 12px; color: #aaa;">Select for ZIP</span>
                    </label>
                </div>
            `;

            const videoContainer = card.querySelector('.vd-video-container');
            const videoEl = document.createElement('video');
            videoEl.controls = false; // Hide native controls
            videoEl.muted = true;
            videoEl.preload = 'metadata';
            videoEl.dataset.src = video.url;
            videoEl.playsInline = true;

            state.intersectionObserver.observe(videoEl);
            state.activePlayers.add(videoEl);

            setupPlayerEvents(videoEl, videoContainer);

            videoContainer.querySelector('.vd-placeholder').after(videoEl);
            fragment.appendChild(card);
        });

        gridEl.innerHTML = '';
        gridEl.appendChild(fragment);
    }

    function setupPlayerEvents(videoEl, container) {
        videoEl.addEventListener('loadedmetadata', () => {
            const placeholder = container.querySelector('.vd-placeholder');
            if (placeholder) placeholder.style.display = 'none';

            const timeDisplay = container.querySelector('.vd-time-display');
            if (timeDisplay) {
                timeDisplay.textContent = `0:00 / ${formatTime(videoEl.duration)}`;
            }
        });

        videoEl.addEventListener('timeupdate', () => {
            const progressFilled = container.querySelector('.vd-progress-filled');
            const timeDisplay = container.querySelector('.vd-time-display');

            if (progressFilled && videoEl.duration) {
                const percentage = (videoEl.currentTime / videoEl.duration) * 100;
                progressFilled.style.width = percentage + '%';
            }

            if (timeDisplay) {
                timeDisplay.textContent = `${formatTime(videoEl.currentTime)} / ${formatTime(videoEl.duration)}`;
            }
        });

        videoEl.addEventListener('play', () => {
            const playBtn = container.querySelector('[data-action="play-pause"]');
            if (playBtn) playBtn.textContent = '⏸';

            // Auto-hide controls
            container.classList.add('vd-controls-visible');
            setTimeout(() => {
                if (!videoEl.paused) {
                    container.classList.remove('vd-controls-visible');
                }
            }, 3000);
        });

        videoEl.addEventListener('pause', () => {
            const playBtn = container.querySelector('[data-action="play-pause"]');
            if (playBtn) playBtn.textContent = '▶';
            container.classList.add('vd-controls-visible');
        });

        videoEl.addEventListener('error', () => {
            const placeholder = container.querySelector('.vd-placeholder');
            if (placeholder) placeholder.textContent = 'Error loading video';
        });

        videoEl.addEventListener('click', () => {
            if (videoEl.paused) {
                videoEl.play();
            } else {
                videoEl.pause();
            }
        });

        // Show controls on mouse move
        container.addEventListener('mousemove', () => {
            container.classList.add('vd-controls-visible');
            clearTimeout(container._controlsTimeout);
            container._controlsTimeout = setTimeout(() => {
                if (!videoEl.paused) {
                    container.classList.remove('vd-controls-visible');
                }
            }, 3000);
        });
    }

    function formatTime(seconds) {
        if (!seconds || isNaN(seconds)) return '0:00';
        const mins = Math.floor(seconds / 60);
        const secs = Math.floor(seconds % 60);
        return `${mins}:${secs.toString().padStart(2, '0')}`;
    }

    async function downloadZip() {
        const selectedVideos = Array.from(state.videos.values()).filter(v => v.selected);
        if (selectedVideos.length === 0) {
            alert('No videos selected!');
            return;
        }

        const btn = document.querySelector('#vd-btn-download-zip') || document.querySelector('.vd-panel .secondary-btn');
        const originalText = btn.textContent;
        btn.textContent = 'Preparing ZIP...';
        btn.disabled = true;

        try {
            const zip = new JSZip();
            const folder = zip.folder(CONFIG.autoSaveDir);

            const batchSize = CONFIG.maxConcurrentDownloads;
            for (let i = 0; i < selectedVideos.length; i += batchSize) {
                const batch = selectedVideos.slice(i, i + batchSize);
                const promises = batch.map(async (video, batchIdx) => {
                    try {
                        const response = await new Promise((resolve, reject) => {
                            GM_xmlhttpRequest({
                                method: 'GET',
                                url: video.url,
                                responseType: 'blob',
                                onload: resolve,
                                onerror: reject,
                                timeout: 30000
                            });
                        });
                        const fileName = getFileName(video.url, i + batchIdx);
                        folder.file(fileName, response.response);
                    } catch (e) {
                        console.error('Failed to download:', video.url, e);
                    }
                });

                await Promise.all(promises);
                btn.textContent = `Downloading... ${Math.min(i + batchSize, selectedVideos.length)}/${selectedVideos.length}`;
            }

            btn.textContent = 'Creating ZIP...';
            const content = await zip.generateAsync({
                type: 'blob',
                compression: 'DEFLATE',
                compressionOptions: { level: 6 }
            });

            const url = URL.createObjectURL(content);
            const a = document.createElement('a');
            a.href = url;
            a.download = `${CONFIG.autoSaveDir}_${new Date().getTime()}.zip`;
            a.click();
            URL.revokeObjectURL(url);

        } catch (e) {
            alert('Error creating ZIP: ' + e.message);
        } finally {
            btn.textContent = originalText;
            btn.disabled = false;
        }
    }

    function init() {
        createUI();
        initObservers();

        GM_registerMenuCommand('Open Video Detector', () => toggleModal(true));
        GM_registerMenuCommand('Reset UI', () => {
            const root = document.getElementById('vd-root-container');
            if (root) root.remove();
            createUI();
        });

        if (document.body) {
            scanForVideos();
        }
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', () => setTimeout(init, 100));
    } else {
        setTimeout(init, 100);
    }
})();