Universal Video Shortcuts

Control any HTML5 video with YouTube-style keyboard shortcuts - popup centered on video

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您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

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您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Universal Video Shortcuts 
// @namespace    http://tampermonkey.net/
// @version      5.7
// @description  Control any HTML5 video with YouTube-style keyboard shortcuts - popup centered on video
// @author       qassim
// @match        *://*/*
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_registerMenuCommand
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    console.log('🎬 Universal Video Shortcuts - Script started (ENHANCED)');

    // Modern CSS with glassmorphism design - UPDATED WITH NEW STYLES
    GM_addStyle(`
        .settings-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 99999;
            backdrop-filter: blur(10px);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .video-shortcuts-settings {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(15, 15, 20, 0.95);
            color: white;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 100000;
            font-family: 'Segoe UI', system-ui, sans-serif;
            width: 90%;
            max-width: 800px;
            max-height: 85vh;
            box-shadow: 0 25px 50px rgba(0,0,0,0.5);
            backdrop-filter: blur(20px);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .settings-header {
            padding: 25px 30px 10px 30px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .settings-header h3 {
            margin: 0 0 5px 0;
            color: #fff;
            font-size: 24px;
            font-weight: 600;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .settings-subtitle {
            margin: 0;
            color: #8ab4f8;
            font-size: 14px;
        }

        .settings-body {
            display: flex;
            flex: 1;
            overflow: hidden;
        }

        .settings-sidebar {
            width: 200px;
            background: rgba(255,255,255,0.05);
            border-right: 1px solid rgba(255,255,255,0.1);
            padding: 20px 0;
        }

        .nav-item {
            padding: 15px 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            border-left: 3px solid transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-item:hover {
            background: rgba(255,255,255,0.1);
        }

        .nav-item.active {
            background: rgba(66, 133, 244, 0.2);
            border-left-color: #4285f4;
            color: #8ab4f8;
        }

        .settings-content {
            flex: 1;
            padding: 20px;
            overflow-y: auto;
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        .settings-group {
            margin-bottom: 25px;
            padding: 20px;
            background: rgba(255,255,255,0.05);
            border-radius: 12px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .group-header {
            margin-bottom: 20px;
        }

        .group-title {
            font-size: 16px;
            font-weight: 600;
            color: #fbbc05;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 5px;
        }

        .group-subtitle {
            color: #8ab4f8;
            font-size: 13px;
        }

        .settings-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 15px;
            padding: 12px;
            border-radius: 8px;
            transition: all 0.3s ease;
            background: rgba(255,255,255,0.02);
        }

        .settings-row:hover {
            background: rgba(255,255,255,0.05);
        }

        .row-label {
            flex: 1;
        }

        .label-main {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            color: white;
        }

        .label-desc {
            display: block;
            font-size: 12px;
            color: #8ab4f8;
        }

        .toggle-switch {
            width: 50px;
            height: 24px;
            background: rgba(255,255,255,0.2);
            border-radius: 12px;
            position: relative;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .toggle-switch.checked {
            background: #34a853;
        }

        .toggle-switch::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background: white;
            border-radius: 50%;
            top: 2px;
            left: 2px;
            transition: all 0.3s ease;
        }

        .toggle-switch.checked::after {
            left: 28px;
        }

        .settings-select, .settings-input {
            width: 200px;
            padding: 10px;
            border: 1px solid rgba(66, 133, 244, 0.3);
            border-radius: 8px;
            background: rgba(255,255,255,0.08);
            color: white;
            font-size: 14px;
        }

        .settings-range {
            width: 200px;
            margin: 0 10px;
            background: rgba(255,255,255,0.1);
            border-radius: 10px;
            height: 6px;
            accent-color: #4285f4;
        }

        .range-value {
            color: #fbbc05;
            font-weight: bold;
            min-width: 60px;
            font-size: 14px;
        }

        .shortcut-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }

        .shortcut-card {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 12px;
            padding: 20px;
            transition: all 0.3s ease;
        }

        .shortcut-card:hover {
            background: rgba(255,255,255,0.05);
            transform: translateY(-2px);
        }

        .shortcut-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .shortcut-icon {
            font-size: 20px;
        }

        .shortcut-keys {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
            margin-bottom: 10px;
        }

        .key {
            background: linear-gradient(135deg, #4285f4, #34a853);
            color: white;
            padding: 4px 8px;
            border-radius: 4px;
            font-family: 'Courier New', monospace;
            font-size: 11px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .key:hover {
            transform: scale(1.05);
        }

        .theme-chooser {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 15px;
        }

        .theme-option {
            padding: 20px;
            border: 2px solid rgba(255,255,255,0.1);
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            background: rgba(255,255,255,0.05);
        }

        .theme-option:hover {
            border-color: #4285f4;
            transform: translateY(-2px);
        }

        .theme-option.selected {
            border-color: #fbbc05;
            background: rgba(251, 188, 5, 0.1);
        }

        .theme-preview {
            font-size: 24px;
            margin-bottom: 10px;
        }

        .theme-name {
            font-weight: 600;
            margin-bottom: 5px;
        }

        .theme-desc {
            font-size: 12px;
            color: #8ab4f8;
        }

        .settings-footer {
            padding: 20px 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .version-info {
            color: #8ab4f8;
            font-size: 12px;
        }

        .footer-buttons {
            display: flex;
            gap: 10px;
        }

        .settings-button {
            padding: 10px 20px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .button-save {
            background: linear-gradient(135deg, #34a853, #2e8b47);
            color: white;
        }

        .button-save:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(52, 168, 83, 0.4);
        }

        .button-cancel {
            background: rgba(234, 67, 53, 0.9);
            color: white;
        }

        .button-cancel:hover {
            background: #d33426;
            transform: translateY(-2px);
        }

        .button-reset {
            background: linear-gradient(135deg, #fbbc05, #e6a800);
            color: black;
        }

        .button-reset:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(251, 188, 5, 0.4);
        }

        /* Keep existing notification styles */
        .universal-video-notification {
            position: fixed;
            z-index: 10000;
            pointer-events: none;
            opacity: 1;
            transition: opacity 0.4s ease;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .key-listening-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.8);
            z-index: 100001;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            color: white;
            font-size: 18px;
            backdrop-filter: blur(10px);
        }

        .key-listening-message {
            background: rgba(15, 15, 20, 0.95);
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            border: 2px solid #fbbc05;
            max-width: 400px;
        }

        .key-listening-message h4 {
            margin: 0 0 15px 0;
            color: #fbbc05;
        }

        .key-preview {
            font-size: 24px;
            font-weight: bold;
            margin: 15px 0;
            padding: 10px;
            background: rgba(255,255,255,0.1);
            border-radius: 8px;
            font-family: 'Courier New', monospace;
        }

        /* Add any missing styles from original */
        .settings-checkbox {
            margin-right: 12px;
            transform: scale(1.2);
            accent-color: #4285f4;
        }

        .shortcut-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px;
            margin: 6px 0;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            transition: all 0.3s ease;
        }

        .shortcut-item:hover {
            background: rgba(255,255,255,0.08);
        }

        .shortcut-key {
            background: linear-gradient(135deg, #4285f4, #34a853);
            color: white;
            padding: 6px 12px;
            border-radius: 6px;
            font-family: 'Courier New', monospace;
            font-weight: bold;
            min-width: 60px;
            text-align: center;
            font-size: 12px;
        }

        .shortcut-description {
            flex-grow: 1;
            margin-left: 15px;
            font-size: 14px;
        }

        .shortcut-toggle {
            margin-left: 10px;
        }
    `);

    // Default settings
    const defaultSettings = {
        // Original settings
        theme: 'dark',
        backgroundShape: 'rounded',
        showLabels: true,
        backgroundOpacity: 0.9,
        notificationDuration: 1200,
        enableSounds: false,
        iconSize: 42,
        showNotification: true,
        notificationPosition: 'auto',
        notificationSize: 'medium',
        textBorder: 'none',
        iconBorder: 'none',
        enableSpaceHold: true,
        holdSpeed: 2.0,

        // New shortcut management
        shortcutsEnabled: true,
        enablePlayPause: true,
        enableSkip: true,
        enableVolume: true,
        enableMute: true,
        enableFullscreen: true,
        enableSpeed: true,
        enableJump: true,

        // Custom key bindings
        keyPlayPause: 'k',
        keyPlayPauseAlt: ' ',
        keyRewind10: 'j',
        keyRewind5: 'arrowleft',
        keyForward10: 'l',
        keyForward5: 'arrowright',
        keyVolumeUp: 'arrowup',
        keyVolumeDown: 'arrowdown',
        keyMute: 'm',
        keyFullscreen: 'f',
        keySpeedDown: 'a',
        keySpeedNormal: 's',
        keySpeedUp: 'd',
        keyHoldSpeed: ' '
    };

    // Load settings from storage
    let settings = {};
    Object.keys(defaultSettings).forEach(key => {
        settings[key] = GM_getValue(key, defaultSettings[key]);
    });

    // Variables for space hold functionality
    let spaceHoldTimeout = null;
    let originalSpeed = 1.0;
    let isSpaceHeld = false;

    // Variables for key listening
    let currentListeningInput = null;
    let keyListener = null;

    // Register menu command - UPDATED TO USE NEW SETTINGS WINDOW
    GM_registerMenuCommand('🎬 Video Shortcuts Settings', showModernSettings);

    // SVG Icons Library (Original preserved)
    const svgIcons = {
        play: `<svg viewBox="0 0 24 24"><path fill="#4285f4" d="M8 5v14l11-7z"/></svg>`,
        pause: `<svg viewBox="0 0 24 24"><path fill="#4285f4" d="M6 19h4V5H6zm8-14v14h4V5z"/></svg>`,
        mute: `<svg viewBox="0 0 24 24"><path fill="#34a853" d="M3 10v4h4l5 5V5L7 10H3z"/></svg>`,
        volume: `<svg viewBox="0 0 24 24"><path fill="#ea4335" d="M7 10H3v4h4l5 5V5z"/><path fill="#ea4335" d="M16.5 12c0-1.77-.77-3.29-2-4.31v8.62c1.23-1.02 2-2.54 2-4.31z"/></svg>`,
        fullscreen: `<svg viewBox="0 0 24 24"><path fill="#fbbc05" d="M7 14H5v5h5v-2H7v-3zm12 3h-3v2h5v-5h-2v3zM7 7h3V5H5v5h2V7zm12 3V5h-5v2h3v3h2z"/></svg>`,
        captions: `<svg viewBox="0 0 24 24"><path fill="#8ab4f8" d="M19 4H5c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm-8 10H7V8h4v2H9v2h2v2zm6 0h-4V8h4v2h-2v2h2v2z"/></svg>`,
        forward: `<svg viewBox="0 0 24 24"><path fill="#4285f4" d="M4 18l8.5-6L4 6v12zm9-12v12l8.5-6L13 6z"/></svg>`,
        rewind: `<svg viewBox="0 0 24 24"><path fill="#4285f4" d="M11 18V6l-8.5 6 8.5 6zm.5-6l8.5 6V6l-8.5 6z"/></svg>`,
        speed: `<svg viewBox="0 0 24 24"><path fill="#fbbc05" d="M20.38 8.57l-1.23 1.85a8 8 0 0 1-.22 7.58H5.07A8 8 0 0 1 15.58 6.85l1.85-1.23A10 10 0 0 0 3.35 19a2 2 0 0 0 1.72 1h13.85a2 2 0 0 0 1.74-1 10 10 0 0 0-.27-10.44z"/><path fill="#fbbc05" d="M10.59 15.41a2 2 0 0 0 2.83 0l5.66-8.49-8.49 5.66a2 2 0 0 0 0 2.83z"/></svg>`,
        normal_speed: `<svg viewBox="0 0 24 24"><path fill="#34a853" d="M13 3a9 9 0 0 0-9 9H1l3.89 3.89.07.14L9 12H6a7 7 0 0 1 7-7 7 7 0 0 1 7 7 7 7 0 0 1-7 7c-1.93 0-3.68-.79-4.94-2.06l-1.42 1.42A8.896 8.896 0 0 0 13 21a9 9 0 0 0 0-18z"/><path fill="#34a853" d="M12 8v5l4.25 2.52.77-1.28-3.52-2.09V8z"/></svg>`,
        skip_forward: `<svg viewBox="0 0 24 24"><path fill="#4285f4" d="M4 18l8.5-6L4 6v12zm9-12v12l8.5-6L13 6z"/></svg>`,
        skip_backward: `<svg viewBox="0 0 24 24"><path fill="#4285f4" d="M11 18V6l-8.5 6 8.5 6zm.5-6l8.5 6V6l-8.5 6z"/></svg>`,
        jump: `<svg viewBox="0 0 24 24"><path fill="#8ab4f8" d="M12 5V1L7 6l5 5V7c3.31 0 6 2.69 6 6s-2.69 6-6 6-6-2.69-6-6H4c0 4.42 3.58 8 8 8s8-3.58 8-8-3.58-8-8-8z"/></svg>`,

        // White icons for light theme
        play_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M8 5v14l11-7z"/></svg>`,
        pause_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M6 19h4V5H6zm8-14v14h4V5z"/></svg>`,
        mute_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M3 10v4h4l5 5V5L7 10H3z"/></svg>`,
        volume_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M7 10H3v4h4l5 5V5z"/><path fill="white" d="M16.5 12c0-1.77-.77-3.29-2-4.31v8.62c1.23-1.02 2-2.54 2-4.31z"/></svg>`,
        fullscreen_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M7 14H5v5h5v-2H7v-3zm12 3h-3v2h5v-5h-2v3zM7 7h3V5H5v5h2V7zm12 3V5h-5v2h3v3h2z"/></svg>`,
        captions_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M19 4H5c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm-8 10H7V8h4v2H9v2h2v2zm6 0h-4V8h4v2h-2v2h2v2z"/></svg>`,
        forward_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M4 18l8.5-6L4 6v12zm9-12v12l8.5-6L13 6z"/></svg>`,
        rewind_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M11 18V6l-8.5 6 8.5 6zm.5-6l8.5 6V6l-8.5 6z"/></svg>`,
        speed_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M20.38 8.57l-1.23 1.85a8 8 0 0 1-.22 7.58H5.07A8 8 0 0 1 15.58 6.85l1.85-1.23A10 10 0 0 0 3.35 19a2 2 0 0 0 1.72 1h13.85a2 2 0 0 0 1.74-1 10 10 0 0 0-.27-10.44z"/><path fill="white" d="M10.59 15.41a2 2 0 0 0 2.83 0l5.66-8.49-8.49 5.66a2 2 0 0 0 0 2.83z"/></svg>`,
        normal_speed_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M13 3a9 9 0 0 0-9 9H1l3.89 3.89.07.14L9 12H6a7 7 0 0 1 7-7 7 7 0 0 1 7 7 7 7 0 0 1-7 7c-1.93 0-3.68-.79-4.94-2.06l-1.42 1.42A8.896 8.896 0 0 0 13 21a9 9 0 0 0 0-18z"/><path fill="white" d="M12 8v5l4.25 2.52.77-1.28-3.52-2.09V8z"/></svg>`,
        skip_forward_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M4 18l8.5-6L4 6v12zm9-12v12l8.5-6L13 6z"/></svg>`,
        skip_backward_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M11 18V6l-8.5 6 8.5 6zm.5-6l8.5 6V6l-8.5 6z"/></svg>`,
        jump_mono: `<svg viewBox="0 0 24 24"><path fill="white" d="M12 5V1L7 6l5 5V7c3.31 0 6 2.69 6 6s-2.69 6-6 6-6-2.69-6-6H4c0 4.42 3.58 8 8 8s8-3.58 8-8-3.58-8-8-8z"/></svg>`
    };

    // Space hold functionality (Original preserved)
    function startSpaceHold() {
        if (!settings.enableSpaceHold || isSpaceHeld || !settings.shortcutsEnabled) return;

        const video = getVideo();
        if (!video) return;

        console.log('⏱️ Space hold started');
        isSpaceHeld = true;

        // Store original speed
        originalSpeed = video.playbackRate;

        // Set to hold speed
        video.playbackRate = settings.holdSpeed;

        if (settings.showNotification) {
            showNotification(`Speed: ${settings.holdSpeed.toFixed(1)}x (Hold)`, getIcon('speed'));
        }
    }

    function endSpaceHold() {
        if (!settings.enableSpaceHold || !isSpaceHeld) return;

        const video = getVideo();
        if (!video) return;

        console.log('⏱️ Space hold ended');
        isSpaceHeld = false;

        // Restore original speed
        video.playbackRate = originalSpeed;

        if (settings.showNotification) {
            showNotification(`Speed: ${originalSpeed.toFixed(1)}x`, getIcon('normal_speed'));
        }

        // Clear any existing timeout
        if (spaceHoldTimeout) {
            clearTimeout(spaceHoldTimeout);
            spaceHoldTimeout = null;
        }
    }

    // Get border styles (Original preserved)
    function getBorderStyles(type, element = 'text') {
        const isText = element === 'text';
        const borderSetting = isText ? settings.textBorder : settings.iconBorder;

        switch (borderSetting) {
            case 'shadow':
                return isText ?
                    'text-shadow: 0 2px 4px rgba(0,0,0,0.8), 0 0 8px rgba(0,0,0,0.6);' :
                    'filter: drop-shadow(0 2px 4px rgba(0,0,0,0.8)) drop-shadow(0 0 8px rgba(0,0,0,0.6));';

            case 'solid':
                const borderColor = type === 'dark' ? 'rgba(255,255,255,0.8)' : 'rgba(0,0,0,0.8)';
                return isText ?
                    `background: rgba(0,0,0,0.7); padding: 4px 12px; border-radius: 6px; border: 2px solid ${borderColor};` :
                    `background: rgba(0,0,0,0.7); padding: 6px; border-radius: 8px; border: 2px solid ${borderColor};`;

            case 'glow':
                const glowColor = type === 'dark' ? 'rgba(255,255,255,0.8)' : 'rgba(66,133,244,0.8)';
                return isText ?
                    `text-shadow: 0 0 10px ${glowColor}, 0 0 20px ${glowColor}, 0 0 30px ${glowColor};` :
                    `filter: drop-shadow(0 0 10px ${glowColor}) drop-shadow(0 0 20px ${glowColor});`;

            case 'none':
            default:
                return isText ?
                    'text-shadow: 0 2px 4px rgba(0,0,0,0.5);' :
                    '';
        }
    }

    // Key listening functionality
    function startKeyListening(keyElement, settingKey) {
        if (currentListeningInput) {
            stopKeyListening();
        }

        currentListeningInput = keyElement;
        const overlay = document.createElement('div');
        overlay.className = 'key-listening-overlay';
        overlay.innerHTML = `
            <div class="key-listening-message">
                <h4>Press any key</h4>
                <p>Press the key you want to use for this shortcut</p>
                <div class="key-preview">...</div>
                <p><small>Press ESC to cancel</small></p>
            </div>
        `;

        const keyPreview = overlay.querySelector('.key-preview');

        keyListener = function(e) {
            e.preventDefault();
            e.stopPropagation();

            // Don't capture ESC key for cancellation
            if (e.key === 'Escape') {
                stopKeyListening();
                return;
            }

            // Don't capture modifier keys alone
            if (['Control', 'Shift', 'Alt', 'Meta', 'OS'].includes(e.key)) {
                return;
            }

            let keyValue = e.key.toLowerCase();

            // Handle special keys
            if (e.key === ' ') {
                keyValue = ' ';
            } else if (e.key.startsWith('Arrow')) {
                keyValue = e.key.toLowerCase();
            }

            keyPreview.textContent = keyValue === ' ' ? 'Space' : keyValue;

            // Wait a moment to show the key, then apply it
            setTimeout(() => {
                keyElement.textContent = keyValue === ' ' ? 'Space' : keyValue;
                stopKeyListening();

                // Update the setting immediately for preview
                settings[settingKey] = keyValue;
                GM_setValue(settingKey, keyValue);
            }, 500);
        };

        document.addEventListener('keydown', keyListener, true);
        document.body.appendChild(overlay);
    }

    function stopKeyListening() {
        if (keyListener) {
            document.removeEventListener('keydown', keyListener, true);
            keyListener = null;
        }
        currentListeningInput = null;
        const overlay = document.querySelector('.key-listening-overlay');
        if (overlay) {
            overlay.remove();
        }
    }

    // Enhanced settings window with modern design - NEW FUNCTION
    function showModernSettings() {
        // Create overlay
        const overlay = document.createElement('div');
        overlay.className = 'settings-overlay';

        // Create modern settings window
        const settingsWindow = document.createElement('div');
        settingsWindow.className = 'video-shortcuts-settings';
        settingsWindow.innerHTML = `
            <div class="settings-header">
                <h3>🎬 Video Shortcuts</h3>
                <p class="settings-subtitle">Customize your video playback experience</p>
            </div>

            <div class="settings-body">
                <div class="settings-sidebar">
                    <div class="nav-item active" data-tab="general">
                        <i>⚙️</i> General
                    </div>
                    <div class="nav-item" data-tab="shortcuts">
                        <i>⌨️</i> Shortcuts
                    </div>
                    <div class="nav-item" data-tab="appearance">
                        <i>🎨</i> Appearance
                    </div>
                </div>

                <div class="settings-content">
                    <!-- General Tab -->
                    <div class="tab-content active" id="general-tab">
                        <div class="settings-group">
                            <div class="group-header">
                                <div class="group-title"><i>🔧</i> Core Settings</div>
                                <div class="group-subtitle">Enable or disable the main functionality</div>
                            </div>
                            <div class="group-content">
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Enable All Shortcuts</span>
                                        <span class="label-desc">Master switch for all keyboard shortcuts</span>
                                    </div>
                                    <div class="toggle-switch ${settings.shortcutsEnabled ? 'checked' : ''}" id="shortcutsEnabled"></div>
                                </div>
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Show Notifications</span>
                                        <span class="label-desc">Display visual feedback for actions</span>
                                    </div>
                                    <div class="toggle-switch ${settings.showNotification ? 'checked' : ''}" id="showNotification"></div>
                                </div>
                            </div>
                        </div>

                        <div class="settings-group">
                            <div class="group-header">
                                <div class="group-title"><i>⏩</i> Speed Control</div>
                                <div class="group-subtitle">Configure fast-forward and speed settings</div>
                            </div>
                            <div class="group-content">
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Hold Speed Feature</span>
                                        <span class="label-desc">Hold spacebar for temporary speed boost</span>
                                    </div>
                                    <div class="toggle-switch ${settings.enableSpaceHold ? 'checked' : ''}" id="enableSpaceHold"></div>
                                </div>
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Hold Speed Multiplier</span>
                                        <span class="label-desc">Playback speed when hold key is pressed</span>
                                    </div>
                                    <select class="settings-select" id="holdSpeedSelect">
                                        <option value="1.5" ${settings.holdSpeed === 1.5 ? 'selected' : ''}>1.5x Speed</option>
                                        <option value="2.0" ${settings.holdSpeed === 2.0 ? 'selected' : ''}>2.0x Speed</option>
                                        <option value="2.5" ${settings.holdSpeed === 2.5 ? 'selected' : ''}>2.5x Speed</option>
                                        <option value="3.0" ${settings.holdSpeed === 3.0 ? 'selected' : ''}>3.0x Speed</option>
                                    </select>
                                </div>
                            </div>
                        </div>

                        <div class="settings-group">
                            <div class="group-header">
                                <div class="group-title"><i>⏱️</i> Notification Timing</div>
                                <div class="group-subtitle">Configure how long notifications appear</div>
                            </div>
                            <div class="group-content">
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Notification Duration</span>
                                        <span class="label-desc">How long notifications stay visible</span>
                                    </div>
                                    <input type="range" class="settings-range" id="durationRange" min="500" max="3000" step="100" value="${settings.notificationDuration}">
                                    <span class="range-value">${settings.notificationDuration}ms</span>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- Shortcuts Tab -->
                    <div class="tab-content" id="shortcuts-tab">
                        <div class="settings-group">
                            <div class="group-header">
                                <div class="group-title"><i>⌨️</i> Keyboard Shortcuts</div>
                                <div class="group-subtitle">Customize your keyboard controls</div>
                            </div>
                            <div class="group-content">
                                <div class="shortcut-grid">
                                    <div class="shortcut-card">
                                        <div class="shortcut-header">
                                            <div class="shortcut-icon">⏯️</div>
                                            <div class="toggle-switch ${settings.enablePlayPause ? 'checked' : ''}" id="enablePlayPause"></div>
                                        </div>
                                        <div class="shortcut-keys">
                                            <span class="key" data-input="keyPlayPause">${settings.keyPlayPause}</span>
                                            <span class="key" data-input="keyPlayPauseAlt">${settings.keyPlayPauseAlt === ' ' ? 'Space' : settings.keyPlayPauseAlt}</span>
                                        </div>
                                        <div class="label-main">Play/Pause</div>
                                        <div class="label-desc">Toggle video playback</div>
                                    </div>

                                    <div class="shortcut-card">
                                        <div class="shortcut-header">
                                            <div class="shortcut-icon">⏪⏩</div>
                                            <div class="toggle-switch ${settings.enableSkip ? 'checked' : ''}" id="enableSkip"></div>
                                        </div>
                                        <div class="shortcut-keys">
                                            <span class="key" data-input="keyRewind10">${settings.keyRewind10}</span>
                                            <span class="key" data-input="keyForward10">${settings.keyForward10}</span>
                                            <span class="key" data-input="keyRewind5">${settings.keyRewind5}</span>
                                            <span class="key" data-input="keyForward5">${settings.keyForward5}</span>
                                        </div>
                                        <div class="label-main">Skip Controls</div>
                                        <div class="label-desc">Rewind and forward</div>
                                    </div>

                                    <div class="shortcut-card">
                                        <div class="shortcut-header">
                                            <div class="shortcut-icon">🔊</div>
                                            <div class="toggle-switch ${settings.enableVolume ? 'checked' : ''}" id="enableVolume"></div>
                                        </div>
                                        <div class="shortcut-keys">
                                            <span class="key" data-input="keyVolumeUp">${settings.keyVolumeUp}</span>
                                            <span class="key" data-input="keyVolumeDown">${settings.keyVolumeDown}</span>
                                        </div>
                                        <div class="label-main">Volume Control</div>
                                        <div class="label-desc">Adjust volume level</div>
                                    </div>

                                    <div class="shortcut-card">
                                        <div class="shortcut-header">
                                            <div class="shortcut-icon">🔇</div>
                                            <div class="toggle-switch ${settings.enableMute ? 'checked' : ''}" id="enableMute"></div>
                                        </div>
                                        <div class="shortcut-keys">
                                            <span class="key" data-input="keyMute">${settings.keyMute}</span>
                                        </div>
                                        <div class="label-main">Mute Toggle</div>
                                        <div class="label-desc">Toggle sound on/off</div>
                                    </div>

                                    <div class="shortcut-card">
                                        <div class="shortcut-header">
                                            <div class="shortcut-icon">⚡</div>
                                            <div class="toggle-switch ${settings.enableSpeed ? 'checked' : ''}" id="enableSpeed"></div>
                                        </div>
                                        <div class="shortcut-keys">
                                            <span class="key" data-input="keySpeedDown">${settings.keySpeedDown}</span>
                                            <span class="key" data-input="keySpeedNormal">${settings.keySpeedNormal}</span>
                                            <span class="key" data-input="keySpeedUp">${settings.keySpeedUp}</span>
                                        </div>
                                        <div class="label-main">Speed Control</div>
                                        <div class="label-desc">Adjust playback speed</div>
                                    </div>

                                    <div class="shortcut-card">
                                        <div class="shortcut-header">
                                            <div class="shortcut-icon">🖥️</div>
                                            <div class="toggle-switch ${settings.enableFullscreen ? 'checked' : ''}" id="enableFullscreen"></div>
                                        </div>
                                        <div class="shortcut-keys">
                                            <span class="key" data-input="keyFullscreen">${settings.keyFullscreen}</span>
                                        </div>
                                        <div class="label-main">Fullscreen</div>
                                        <div class="label-desc">Toggle fullscreen mode</div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- Appearance Tab -->
                    <div class="tab-content" id="appearance-tab">
                        <div class="settings-group">
                            <div class="group-header">
                                <div class="group-title"><i>🎨</i> Theme & Style</div>
                                <div class="group-subtitle">Customize the visual appearance</div>
                            </div>
                            <div class="group-content">
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Interface Theme</span>
                                        <span class="label-desc">Choose your preferred color scheme</span>
                                    </div>
                                </div>
                                <div class="theme-chooser">
                                    <div class="theme-option theme-dark ${settings.theme === 'dark' ? 'selected' : ''}" data-theme="dark">
                                        <div class="theme-preview">🌙</div>
                                        <div class="theme-name">Dark Theme</div>
                                        <div class="theme-desc">Colored icons on dark</div>
                                    </div>
                                    <div class="theme-option theme-light ${settings.theme === 'light' ? 'selected' : ''}" data-theme="light">
                                        <div class="theme-preview">☀️</div>
                                        <div class="theme-name">Light Theme</div>
                                        <div class="theme-desc">White icons on light</div>
                                    </div>
                                </div>
                            </div>
                        </div>

                        <div class="settings-group">
                            <div class="group-header">
                                <div class="group-title"><i>🔘</i> Notification Style</div>
                                <div class="group-subtitle">Customize how notifications appear</div>
                            </div>
                            <div class="group-content">
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Show Text Labels</span>
                                        <span class="label-desc">Display text with icons</span>
                                    </div>
                                    <div class="toggle-switch ${settings.showLabels ? 'checked' : ''}" id="showLabels"></div>
                                </div>
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Background Shape</span>
                                        <span class="label-desc">Shape of notification background</span>
                                    </div>
                                    <select class="settings-select" id="shapeSelect">
                                        <option value="rounded" ${settings.backgroundShape === 'rounded' ? 'selected' : ''}>Rounded</option>
                                        <option value="circle" ${settings.backgroundShape === 'circle' ? 'selected' : ''}>Circle</option>
                                        <option value="square" ${settings.backgroundShape === 'square' ? 'selected' : ''}>Square</option>
                                    </select>
                                </div>
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Background Opacity</span>
                                        <span class="label-desc">${Math.round(settings.backgroundOpacity * 100)}% - ${settings.backgroundOpacity == 0 ? 'Transparent' : settings.backgroundOpacity < 0.5 ? 'Light' : 'Dark'}</span>
                                    </div>
                                    <input type="range" class="settings-range" id="opacityRange" min="0" max="1" step="0.1" value="${settings.backgroundOpacity}">
                                    <span class="range-value">${Math.round(settings.backgroundOpacity * 100)}%</span>
                                </div>
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Icon Size</span>
                                        <span class="label-desc">Size of notification icons</span>
                                    </div>
                                    <select class="settings-select" id="iconSizeSelect">
                                        <option value="32" ${settings.iconSize === 32 ? 'selected' : ''}>Small (32px)</option>
                                        <option value="42" ${settings.iconSize === 42 ? 'selected' : ''}>Medium (42px)</option>
                                        <option value="52" ${settings.iconSize === 52 ? 'selected' : ''}>Large (52px)</option>
                                    </select>
                                </div>
                            </div>
                        </div>

                        <div class="settings-group">
                            <div class="group-header">
                                <div class="group-title"><i>🎭</i> Border Effects</div>
                                <div class="group-subtitle">Customize text and icon borders</div>
                            </div>
                            <div class="group-content">
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Text Border Style</span>
                                        <span class="label-desc">Border style for notification text</span>
                                    </div>
                                    <select class="settings-select" id="textBorder">
                                        <option value="none" ${settings.textBorder === 'none' ? 'selected' : ''}>None</option>
                                        <option value="shadow" ${settings.textBorder === 'shadow' ? 'selected' : ''}>Shadow</option>
                                        <option value="solid" ${settings.textBorder === 'solid' ? 'selected' : ''}>Solid Border</option>
                                        <option value="glow" ${settings.textBorder === 'glow' ? 'selected' : ''}>Glow Effect</option>
                                    </select>
                                </div>
                                <div class="settings-row">
                                    <div class="row-label">
                                        <span class="label-main">Icon Border Style</span>
                                        <span class="label-desc">Border style for notification icons</span>
                                    </div>
                                    <select class="settings-select" id="iconBorder">
                                        <option value="none" ${settings.iconBorder === 'none' ? 'selected' : ''}>None</option>
                                        <option value="shadow" ${settings.iconBorder === 'shadow' ? 'selected' : ''}>Shadow</option>
                                        <option value="solid" ${settings.iconBorder === 'solid' ? 'selected' : ''}>Solid Border</option>
                                        <option value="glow" ${settings.iconBorder === 'glow' ? 'selected' : ''}>Glow Effect</option>
                                    </select>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="settings-footer">
                <div class="version-info">Version 6.3 • Universal Video Shortcuts</div>
                <div class="footer-buttons">
                    <button class="settings-button button-reset" id="resetSettings">
                        <i>🔄</i> Reset
                    </button>
                    <button class="settings-button button-cancel" id="cancelSettings">
                        <i>✕</i> Cancel
                    </button>
                    <button class="settings-button button-save" id="saveSettings">
                        <i>💾</i> Save
                    </button>
                </div>
            </div>
        `;

        // Add event listeners
        settingsWindow.querySelector('#cancelSettings').addEventListener('click', () => {
            stopKeyListening();
            document.body.removeChild(overlay);
            document.body.removeChild(settingsWindow);
        });

        settingsWindow.querySelector('#saveSettings').addEventListener('click', () => {
            saveModernSettings(settingsWindow);
            stopKeyListening();
            document.body.removeChild(overlay);
            document.body.removeChild(settingsWindow);
        });

        settingsWindow.querySelector('#resetSettings').addEventListener('click', () => {
            if (confirm('Reset all settings to default values?')) {
                Object.keys(defaultSettings).forEach(key => {
                    GM_setValue(key, defaultSettings[key]);
                    settings[key] = defaultSettings[key];
                });
                if (settings.showNotification) {
                    showNotification('Settings Reset!', getIcon('normal_speed'));
                }
                // Close and reopen to show default values
                document.body.removeChild(overlay);
                document.body.removeChild(settingsWindow);
                showModernSettings();
            }
        });

        // Navigation
        settingsWindow.querySelectorAll('.nav-item').forEach(item => {
            item.addEventListener('click', function() {
                const tabName = this.getAttribute('data-tab');

                // Update active nav item
                settingsWindow.querySelectorAll('.nav-item').forEach(nav => {
                    nav.classList.remove('active');
                });
                this.classList.add('active');

                // Show active content
                settingsWindow.querySelectorAll('.tab-content').forEach(content => {
                    content.classList.remove('active');
                });
                settingsWindow.querySelector(`#${tabName}-tab`).classList.add('active');
            });
        });

        // Toggle switches
        settingsWindow.querySelectorAll('.toggle-switch').forEach(toggle => {
            toggle.addEventListener('click', function() {
                this.classList.toggle('checked');
            });
        });

        // Range inputs
        settingsWindow.querySelectorAll('input[type="range"]').forEach(range => {
            range.addEventListener('input', function() {
                const value = this.value;
                const display = this.nextElementSibling;
                if (this.id === 'opacityRange') {
                    display.textContent = Math.round(value * 100) + '%';
                    const desc = this.parentElement.querySelector('.label-desc');
                    desc.textContent = `${Math.round(value * 100)}% - ${value == 0 ? 'Transparent' : value < 0.5 ? 'Light' : 'Dark'}`;
                } else if (this.id === 'durationRange') {
                    display.textContent = value + 'ms';
                }
            });
        });

        // Theme selection
        settingsWindow.querySelectorAll('.theme-option').forEach(option => {
            option.addEventListener('click', function() {
                settingsWindow.querySelectorAll('.theme-option').forEach(opt => {
                    opt.classList.remove('selected');
                });
                this.classList.add('selected');
            });
        });

        // Key configuration - Click on keys in cards
        settingsWindow.querySelectorAll('.shortcut-keys .key').forEach(key => {
            key.addEventListener('click', function() {
                const inputId = this.getAttribute('data-input');
                startKeyListening(this, inputId);
            });
        });

        // Close on overlay click
        overlay.addEventListener('click', (e) => {
            if (e.target === overlay) {
                stopKeyListening();
                document.body.removeChild(overlay);
                document.body.removeChild(settingsWindow);
            }
        });

        // Add to page
        document.body.appendChild(overlay);
        document.body.appendChild(settingsWindow);
    }

    // Save settings from modern window
    function saveModernSettings(settingsWindow) {
        const newSettings = {
            // Core settings
            shortcutsEnabled: settingsWindow.querySelector('#shortcutsEnabled').classList.contains('checked'),
            showNotification: settingsWindow.querySelector('#showNotification').classList.contains('checked'),

            // Space hold settings
            enableSpaceHold: settingsWindow.querySelector('#enableSpaceHold').classList.contains('checked'),
            holdSpeed: parseFloat(settingsWindow.querySelector('#holdSpeedSelect').value),

            // Timing
            notificationDuration: parseInt(settingsWindow.querySelector('#durationRange').value),

            // Shortcut toggles
            enablePlayPause: settingsWindow.querySelector('#enablePlayPause').classList.contains('checked'),
            enableSkip: settingsWindow.querySelector('#enableSkip').classList.contains('checked'),
            enableVolume: settingsWindow.querySelector('#enableVolume').classList.contains('checked'),
            enableMute: settingsWindow.querySelector('#enableMute').classList.contains('checked'),
            enableSpeed: settingsWindow.querySelector('#enableSpeed').classList.contains('checked'),
            enableFullscreen: settingsWindow.querySelector('#enableFullscreen').classList.contains('checked'),

            // Appearance
            theme: settingsWindow.querySelector('.theme-option.selected').getAttribute('data-theme'),
            backgroundShape: settingsWindow.querySelector('#shapeSelect').value,
            showLabels: settingsWindow.querySelector('#showLabels').classList.contains('checked'),
            backgroundOpacity: parseFloat(settingsWindow.querySelector('#opacityRange').value),
            iconSize: parseInt(settingsWindow.querySelector('#iconSizeSelect').value),
            textBorder: settingsWindow.querySelector('#textBorder').value,
            iconBorder: settingsWindow.querySelector('#iconBorder').value
        };

        // Save all settings
        Object.keys(newSettings).forEach(key => {
            settings[key] = newSettings[key];
            GM_setValue(key, newSettings[key]);
        });

        console.log('Settings saved successfully!');
        if (settings.showNotification) {
            showNotification('Settings Saved!', getIcon('normal_speed'));
        }
    }

    // KEEP ALL ORIGINAL FUNCTIONALITY BELOW EXACTLY AS IT WAS
    // [All the original functions remain unchanged: getIcon, getVideo, isYouTube,
    // isShortcutEnabled, togglePlay, skip, changeVolume, toggleMute, toggleFullscreen,
    // jumpToPercent, changeSpeed, setNormalSpeed, showNotification, and event listeners]

    // Get the appropriate icon based on theme (Original preserved)
    function getIcon(iconName) {
        const iconSvg = settings.theme === 'dark' ? svgIcons[iconName] : svgIcons[iconName + '_mono'];
        const borderStyle = getBorderStyles(settings.theme, 'icon');
        return `<div style="${borderStyle}">${iconSvg.replace('<svg', `<svg width="${settings.iconSize}" height="${settings.iconSize}"`)}</div>`;
    }

    // Find the most relevant video element on the page (Original preserved)
    function getVideo() {
        const videos = Array.from(document.querySelectorAll('video'));
        console.log(`🔍 Found ${videos.length} video(s) on page`);

        if (videos.length === 0) {
            console.log('❌ No video elements found');
            return null;
        }
        if (videos.length === 1) {
            console.log('✅ Using the only video element found');
            return videos[0];
        }

        // Prioritize videos that are playing, visible, or larger
        const scoredVideos = videos.map((video, index) => {
            let score = 0;

            if (!video.paused) {
                score += 100;
                console.log(`▶️ Video ${index} is playing (+100)`);
            }

            const rect = video.getBoundingClientRect();
            const area = rect.width * rect.height;
            console.log(`📏 Video ${index}: ${rect.width}x${rect.height} (area: ${area})`);

            // Size matters - larger videos are more likely to be main content
            if (area > 100000) {
                score += 50;
                console.log(`🔍 Video ${index}: Very large (+50)`);
            } else if (area > 50000) {
                score += 30;
                console.log(`🔍 Video ${index}: Large (+30)`);
            } else if (area > 10000) {
                score += 10;
                console.log(`🔍 Video ${index}: Medium (+10)`);
            }

            // Visibility check
            if (rect.top >= 0 && rect.left >= 0 &&
                rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) &&
                rect.right <= (window.innerWidth || document.documentElement.clientWidth)) {
                score += 20;
                console.log(`👀 Video ${index}: Fully visible (+20)`);
            }

            // Check if video has controls
            if (video.controls) {
                score += 15;
                console.log(`🎛️ Video ${index}: Has controls (+15)`);
            }

            console.log(`📊 Video ${index} total score: ${score}`);
            return { video, score };
        });

        // Return the video with highest score
        scoredVideos.sort((a, b) => b.score - a.score);
        const selectedVideo = scoredVideos[0].video;
        console.log(`🎯 Selected video with score: ${scoredVideos[0].score}`);
        return selectedVideo;
    }

    // Check if we're on YouTube (Original preserved)
    function isYouTube() {
        return window.location.hostname.includes('youtube.com');
    }

    // Check if shortcut is enabled
    function isShortcutEnabled(category) {
        return settings.shortcutsEnabled && settings[`enable${category}`];
    }

    // All original functions preserved exactly as they were
    function togglePlay() {
        if (!isShortcutEnabled('PlayPause')) return;

        console.log('🎮 Toggle Play/Pause triggered');
        const video = getVideo();
        if (!video) {
            console.log('❌ No video found for play/pause');
            return;
        }

        console.log(`⏯️ Video current state: ${video.paused ? 'Paused' : 'Playing'}`);

        if (video.paused) {
            video.play().then(() => {
                console.log('✅ Video started playing');
                if (settings.showNotification) showNotification('Playing', getIcon('play'));
            }).catch(err => {
                console.log('❌ Play failed:', err);
            });
        } else {
            video.pause();
            console.log('⏸️ Video paused');
            if (settings.showNotification) showNotification('Paused', getIcon('pause'));
        }
    }

    function skip(seconds) {
        if (!isShortcutEnabled('Skip')) return;

        console.log(`⏩ Skip triggered: ${seconds} seconds`);
        const video = getVideo();
        if (!video) {
            console.log('❌ No video found for skip');
            return;
        }

        const oldTime = video.currentTime;
        video.currentTime += seconds;
        console.log(`⏰ Time changed: ${oldTime.toFixed(1)}s → ${video.currentTime.toFixed(1)}s`);
        if (settings.showNotification) {
            showNotification(`${seconds > 0 ? '+' : ''}${seconds}s`, seconds > 0 ? getIcon('skip_forward') : getIcon('skip_backward'));
        }
    }

    function changeVolume(delta) {
        if (!isShortcutEnabled('Volume')) return;

        console.log(`🔊 Volume change: ${delta > 0 ? '+' : ''}${delta}`);
        const video = getVideo();
        if (!video) {
            console.log('❌ No video found for volume change');
            return;
        }

        const oldVolume = video.volume;
        const newVolume = Math.max(0, Math.min(1, video.volume + delta));
        video.volume = newVolume;

        console.log(`🔊 Volume changed: ${Math.round(oldVolume * 100)}% → ${Math.round(newVolume * 100)}%`);

        if (settings.showNotification) {
            const volumeIcon = newVolume === 0 ? getIcon('mute') : getIcon('volume');
            showNotification(`Volume: ${Math.round(newVolume * 100)}%`, volumeIcon);
        }
    }

    function toggleMute() {
        if (!isShortcutEnabled('Mute')) return;

        console.log('🔇 Toggle Mute triggered');
        const video = getVideo();
        if (!video) {
            console.log('❌ No video found for mute');
            return;
        }

        const wasMuted = video.muted;
        video.muted = !video.muted;
        console.log(`🔇 Mute changed: ${wasMuted ? 'Muted' : 'Unmuted'} → ${video.muted ? 'Muted' : 'Unmuted'}`);
        if (settings.showNotification) {
            showNotification(video.muted ? 'Muted' : 'Unmuted', video.muted ? getIcon('mute') : getIcon('volume'));
        }
    }

    function toggleFullscreen() {
        if (!isShortcutEnabled('Fullscreen')) return;

        console.log('🖥️ Toggle Fullscreen triggered');
        const video = getVideo();
        if (!video) {
            console.log('❌ No video found for fullscreen');
            return;
        }

        if (!document.fullscreenElement) {
            console.log('🖥️ Entering fullscreen');
            (video.parentElement || video).requestFullscreen?.().then(() => {
                console.log('✅ Fullscreen entered successfully');
                if (settings.showNotification) showNotification('Fullscreen', getIcon('fullscreen'));
            }).catch(err => {
                console.log('❌ Fullscreen error:', err);
            });
        } else {
            console.log('🖥️ Exiting fullscreen');
            document.exitFullscreen?.().then(() => {
                console.log('✅ Fullscreen exited successfully');
                if (settings.showNotification) showNotification('Normal Screen', getIcon('fullscreen'));
            }).catch(err => {
                console.log('❌ Exit fullscreen error:', err);
            });
        }
    }

    function jumpToPercent(percent) {
        if (!isShortcutEnabled('Jump')) return;

        console.log(`⏭️ Jump to ${percent}% triggered`);
        const video = getVideo();
        if (!video || !video.duration) {
            console.log('❌ No video or duration for jump');
            return;
        }

        const newTime = (percent / 100) * video.duration;
        console.log(`⏰ Jumping to ${newTime.toFixed(1)}s (${percent}% of ${video.duration.toFixed(1)}s)`);
        video.currentTime = newTime;
        if (settings.showNotification) showNotification(`${percent}%`, getIcon('jump'));
    }

    function changeSpeed(delta) {
        if (!isShortcutEnabled('Speed')) return;

        console.log(`⚡ Speed change: ${delta > 0 ? '+' : ''}${delta}`);
        const video = getVideo();
        if (video) {
            const oldSpeed = video.playbackRate;
            video.playbackRate = Math.max(0.1, Math.min(4, video.playbackRate + delta));
            console.log(`⚡ Speed changed: ${oldSpeed.toFixed(2)}x → ${video.playbackRate.toFixed(2)}x`);
            if (settings.showNotification) showNotification(`Speed: ${video.playbackRate.toFixed(2)}x`, getIcon('speed'));
        } else {
            console.log('❌ No video found for speed change');
        }
    }

    function setNormalSpeed() {
        if (!isShortcutEnabled('Speed')) return;

        console.log('⏱️ Set normal speed triggered');
        const video = getVideo();
        if (video) {
            const oldSpeed = video.playbackRate;
            video.playbackRate = 1;
            console.log(`⏱️ Speed reset: ${oldSpeed.toFixed(2)}x → 1.00x`);
            if (settings.showNotification) showNotification('Speed: 1.00x', getIcon('normal_speed'));
        } else {
            console.log('❌ No video found for speed reset');
        }
    }

    // ✨ ENHANCED: Show notification overlay centered on video (Original preserved)
    function showNotification(text, icon = '') {
        if (!settings.showNotification) return;

        console.log(`📢 Notification: ${text}`);

        const existing = document.querySelector('.universal-video-notification');
        if (existing) {
            console.log('🗑️ Removing existing notification');
            existing.remove();
        }

        // 🎯 ENHANCEMENT: Get the video element to center notification on it
        const video = getVideo();
        let topPosition = '50%';
        let leftPosition = '50%';

        if (video) {
            const rect = video.getBoundingClientRect();
            const videoCenterX = rect.left + (rect.width / 2);
            const videoCenterY = rect.top + (rect.height / 2);

            topPosition = `${videoCenterY}px`;
            leftPosition = `${videoCenterX}px`;

            console.log(`📍 Centering notification on video at (${videoCenterX.toFixed(0)}, ${videoCenterY.toFixed(0)})`);
        } else {
            console.log('⚠️ No video found, centering on viewport');
        }

        // Determine shape based on settings
        let borderRadius;
        let padding;

        switch(settings.backgroundShape) {
            case 'circle':
                borderRadius = '50%';
                padding = '30px 30px';
                break;
            case 'square':
                borderRadius = '0px';
                padding = '25px 35px';
                break;
            case 'rounded':
            default:
                borderRadius = '15px';
                padding = '25px 35px';
                break;
        }

        const displayText = settings.showLabels ? text : '';
        const textBorderStyle = getBorderStyles(settings.theme, 'text');

        const notification = document.createElement('div');
        notification.className = 'universal-video-notification';

        if (icon) {
            notification.innerHTML = `
                <div style="display: flex; justify-content: center; align-items: center; margin-bottom: ${settings.showLabels ? '10px' : '0'};">
                    ${icon}
                </div>
                ${settings.showLabels ? `<div style="color: white; font-size: 18px; font-weight: bold; ${textBorderStyle}">${displayText}</div>` : ''}
            `;
        } else if (settings.showLabels) {
            notification.innerHTML = `<div style="color: white; font-size: 18px; font-weight: bold; ${textBorderStyle}">${displayText}</div>`;
        }

        notification.style.cssText = `
            position: fixed;
            top: ${topPosition};
            left: ${leftPosition};
            transform: translate(-50%, -50%);
            background: rgba(0, 0, 0, ${settings.backgroundOpacity});
            color: white;
            padding: ${padding};
            border-radius: ${borderRadius};
            font-size: 18px;
            font-family: 'Arial', 'Segoe UI', sans-serif;
            font-weight: bold;
            z-index: 10000;
            pointer-events: none;
            opacity: 1;
            transition: opacity 0.4s ease;
            text-align: center;
            border: ${settings.backgroundOpacity > 0 ? '3px solid rgba(255, 255, 255, 0.3)' : 'none'};
            backdrop-filter: ${settings.backgroundOpacity > 0 ? 'blur(15px)' : 'none'};
            box-shadow: ${settings.backgroundOpacity > 0 ? '0 10px 30px rgba(0, 0, 0, 0.3)' : 'none'};
            min-width: ${settings.backgroundShape === 'circle' ? '100px' : '180px'};
            min-height: ${settings.backgroundShape === 'circle' ? '100px' : 'auto'};
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        `;

        document.body.appendChild(notification);
        console.log('✅ Notification created and displayed');

        // Fade out and remove
        setTimeout(() => {
            notification.style.opacity = '0';
            setTimeout(() => {
                notification.remove();
                console.log('🗑️ Notification removed');
            }, 400);
        }, settings.notificationDuration);
    }

    // Handle keyup for hold key release
    document.addEventListener('keyup', function(e) {
        if (e.key.toLowerCase() === settings.keyHoldSpeed && settings.enableSpaceHold && settings.shortcutsEnabled) {
            console.log('🎮 Hold key released');

            // Clear the hold timeout if key was released quickly
            if (spaceHoldTimeout) {
                clearTimeout(spaceHoldTimeout);
                spaceHoldTimeout = null;
            }

            // End the hold if it was active
            endSpaceHold();
        }
    });

    // Handle keyboard events with custom key bindings
    document.addEventListener('keydown', function(e) {
        // Don't trigger if typing in an input field or if we're listening for a new key
        if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA' || e.target.isContentEditable || currentListeningInput) {
            console.log(`⌨️ Key ${e.key} ignored (input field or key listening)`);
            return;
        }

        const video = getVideo();
        if (!video) {
            console.log(`⌨️ Key ${e.key} ignored (no video)`);
            return;
        }

        console.log(`⌨️ Key pressed: ${e.key} (YouTube: ${isYouTube()})`);

        // Handle hold key with custom key binding
        if (e.key.toLowerCase() === settings.keyHoldSpeed && settings.enableSpaceHold && settings.shortcutsEnabled) {
            console.log(`🎮 Hold key pressed (${settings.keyHoldSpeed} for ${settings.holdSpeed}x speed)`);

            // Clear any existing timeout
            if (spaceHoldTimeout) {
                clearTimeout(spaceHoldTimeout);
            }

            // Start hold after a short delay to distinguish from normal key press
            spaceHoldTimeout = setTimeout(() => {
                startSpaceHold();
            }, 300);

            return;
        }

        // On YouTube, only handle speed controls to avoid conflicts
        if (isYouTube()) {
            const key = e.key.toLowerCase();
            if (key === settings.keySpeedDown && isShortcutEnabled('Speed')) {
                console.log('🎮 YouTube: Speed decrease');
                e.preventDefault();
                changeSpeed(-0.25);
            } else if (key === settings.keySpeedNormal && isShortcutEnabled('Speed')) {
                console.log('🎮 YouTube: Normal speed');
                e.preventDefault();
                setNormalSpeed();
            } else if (key === settings.keySpeedUp && isShortcutEnabled('Speed')) {
                console.log('🎮 YouTube: Speed increase');
                e.preventDefault();
                changeSpeed(0.25);
            }
            return;
        }

        // For non-YouTube sites, handle all shortcuts with custom key bindings
        const key = e.key.toLowerCase();

        if (!settings.shortcutsEnabled) {
            console.log(`🎮 Key ${e.key} ignored (shortcuts disabled)`);
            return;
        }

        // Play/Pause
        if ((key === settings.keyPlayPause || key === settings.keyPlayPauseAlt) && isShortcutEnabled('PlayPause')) {
            console.log('🎮 Play/Pause');
            e.preventDefault();
            togglePlay();
        }
        // Skip controls
        else if (key === settings.keyRewind10 && isShortcutEnabled('Skip')) {
            console.log('🎮 Rewind 10s');
            e.preventDefault();
            skip(-10);
        }
        else if (key === settings.keyRewind5 && isShortcutEnabled('Skip')) {
            console.log('🎮 Rewind 5s');
            e.preventDefault();
            skip(-5);
        }
        else if (key === settings.keyForward10 && isShortcutEnabled('Skip')) {
            console.log('🎮 Forward 10s');
            e.preventDefault();
            skip(10);
        }
        else if (key === settings.keyForward5 && isShortcutEnabled('Skip')) {
            console.log('🎮 Forward 5s');
            e.preventDefault();
            skip(5);
        }
        // Volume controls
        else if (key === settings.keyVolumeUp && isShortcutEnabled('Volume')) {
            console.log('🎮 Volume up');
            e.preventDefault();
            changeVolume(0.05);
        }
        else if (key === settings.keyVolumeDown && isShortcutEnabled('Volume')) {
            console.log('🎮 Volume down');
            e.preventDefault();
            changeVolume(-0.05);
        }
        else if (key === settings.keyMute && isShortcutEnabled('Mute')) {
            console.log('🎮 Toggle mute');
            e.preventDefault();
            toggleMute();
        }
        // Fullscreen
        else if (key === settings.keyFullscreen && isShortcutEnabled('Fullscreen')) {
            console.log('🎮 Toggle fullscreen');
            e.preventDefault();
            toggleFullscreen();
        }
        // Speed controls
        else if (key === settings.keySpeedDown && isShortcutEnabled('Speed')) {
            console.log('🎮 Speed down');
            e.preventDefault();
            changeSpeed(-0.25);
        }
        else if (key === settings.keySpeedNormal && isShortcutEnabled('Speed')) {
            console.log('🎮 Normal speed');
            e.preventDefault();
            setNormalSpeed();
        }
        else if (key === settings.keySpeedUp && isShortcutEnabled('Speed')) {
            console.log('🎮 Speed up');
            e.preventDefault();
            changeSpeed(0.25);
        }
        // Jump controls
        else if (key >= '0' && key <= '9' && isShortcutEnabled('Jump')) {
            console.log(`🎮 Jump to ${parseInt(key) * 10}%`);
            e.preventDefault();
            jumpToPercent(parseInt(key) * 10);
        }
        else if (key === 'home' && isShortcutEnabled('Jump')) {
            console.log('🎮 Jump to start');
            e.preventDefault();
            jumpToPercent(0);
        }
        else if (key === 'end' && isShortcutEnabled('Jump')) {
            console.log('🎮 Jump to end');
            e.preventDefault();
            jumpToPercent(100);
        }
    });

    console.log('✅ Universal Video Shortcuts loaded! ✨ MODERN with tap-to-change shortcuts!');
    console.log('📋 Available shortcuts: K/Space (play/pause), J/L (skip), ←/→ (small skip), ↑/↓ (volume), M (mute), F (fullscreen), A/S/D (speed), 0-9 (jump to %)');
    console.log('🎮 Customizable: Click any key in settings to change shortcuts');
    console.log('⚙️  Click Tampermonkey icon → "Video Shortcuts Settings" to customize');
})();