:root {
            /* Dark Mode Variables */
            --primary-color: #ffffff;
            --primary-dark: #cccccc;
            --secondary-color: #ff3d00;
            --dark-bg: #121212;
            --darker-bg: #0a0a0a;
            --card-bg: #1e1e1e;
            --text-primary: #ffffff;
            --text-secondary: #b3b3b3;
            --hover-effect: rgba(255, 255, 255, 0.1);
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
            --border-radius: 12px;
            --transition: all 0.3s ease;
            --nav-bg: #1a1a1a;
            --menu-item-hover: rgba(255, 61, 0, 0.1);
        }

        /* Light Mode Variables */
        [data-theme="light"] {
            --primary-color: #333333;
            --primary-dark: #555555;
            --secondary-color: #ff3d00;
            --dark-bg: #f5f5f5;
            --darker-bg: #e0e0e0;
            --card-bg: #ffffff;
            --text-primary: #333333;
            --text-secondary: #666666;
            --hover-effect: rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --nav-bg: #ffffff;
            --menu-item-hover: rgba(255, 61, 0, 0.05);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: 'Roboto', sans-serif;
            background-color: var(--dark-bg);
            color: var(--text-primary);
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: background-color 0.3s ease, color 0.3s ease;
            overflow-x: hidden;
            padding-bottom: 60px;
        }

        /* Header & Navigation */
        header {
            background: var(--nav-bg);
            padding: 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: background-color 0.3s ease;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1000px;
            margin: 0 auto;
            padding: 0.5rem 1.5rem;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 0.8rem;
            text-decoration: none;
            transition: color 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
        }

        .logo i {
            font-size: 2rem;
            color: var(--secondary-color);
        }

        .nav-container {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex: 1;
            justify-content: flex-end;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 1rem;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem;
            border-radius: var(--border-radius);
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-link:hover {
            background-color: var(--menu-item-hover);
            color: var(--secondary-color);
        }

        .nav-link i {
            font-size: 1.2rem;
        }

        .nav-text {
            display: inline;
        }

        .nav-link::before {
            content: attr(data-tooltip);
            position: absolute;
            top: -40px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--darker-bg);
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.2s;
            box-shadow: var(--shadow);
        }

        .nav-link:hover::before {
            opacity: 1;
        }

        .active {
            color: var(--secondary-color);
            font-weight: 600;
        }

        /* Theme Toggle */
        .theme-toggle {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 50%;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .theme-toggle:hover {
            background-color: var(--hover-effect);
            transform: rotate(30deg);
        }

        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }

        /* Mobile Search Icon */
        .mobile-search-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }

        /* Search Section */
        .search-section {
            padding: 0;
            background-color: transparent;
            border-bottom: none;
            position: static;
            transition: none;
            flex: 1;
            max-width: 600px;
            margin: 0 1rem;
        }

        [data-theme="light"] .search-section {
            border-bottom: none;
        }

        .search-container {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box {
            position: relative;
            width: 100%;
        }

        #search-input {
            width: 100%;
            padding: 0.8rem 1rem 0.8rem 3rem;
            border-radius: var(--border-radius);
            border: none;
            background-color: var(--card-bg);
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

        #search-input:focus {
            outline: none;
            box-shadow: 0 0 0 2px var(--secondary-color);
        }

        .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
        }

        .search-back-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 0.5rem;
            margin-left: 0.5rem;
        }

        .suggestions {
            position: absolute;
            width: 100%;
            background-color: var(--card-bg);
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            max-height: 300px;
            overflow-y: auto;
            z-index: 100;
            box-shadow: var(--shadow);
            display: none;
            border: 1px solid var(--hover-effect);
        }

        .suggestion-item {
            display: flex;
            align-items: center;
            padding: 0.8rem 1rem;
            cursor: pointer;
            border-bottom: 1px solid var(--hover-effect);
            transition: var(--transition);
        }

        .suggestion-item:hover {
            background-color: var(--hover-effect);
        }

        .suggestion-item img {
            width: 35px;
            height: 35px;
            object-fit: contain;
            margin-right: 1rem;
            border-radius: 6px;
        }

        .suggestion-item span {
            font-weight: 500;
            font-size: 0.95rem;
        }

        /* Player Section */
        .player-section {
            padding: 1.5rem 0;
            background-color: var(--darker-bg);
            margin-bottom: 1.5rem;
            scroll-margin-top: 100px;
            transition: background-color 0.3s ease;
        }

        .player-container {
            max-width: none;
            margin: 0;
            padding: 0;
            position: relative;
        }

        #buffer-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: rgba(0, 0, 0, 0.65);
            border-radius: var(--border-radius);
            z-index: 9999;
            gap: 0.75rem;
            pointer-events: none;
        }
        #buffer-overlay .retry-btn {
            pointer-events: auto;
        }

        .buf-logo-ring {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 90px;
            height: 90px;
        }
        .buffer-channel-logo {
            width: 90px;
            height: 90px;
            object-fit: contain;
            border-radius: 14px;
            background: rgba(255,255,255,0.08);
            padding: 10px;
            position: relative;
            z-index: 1;
        }
        .buf-ring {
            position: absolute;
            border-radius: 50%;
            border: 1.5px solid rgba(255,61,0,0.55);
            animation: bufRingPulse 2.4s ease-out infinite;
            pointer-events: none;
            top: 50%; left: 50%;
            transform: translate(-50%,-50%) scale(0.7);
        }
        .buf-ring:nth-child(2) { width: 114px; height: 114px; animation-delay: 0s; }
        .buf-ring:nth-child(3) { width: 150px; height: 150px; animation-delay: 0.7s; border-color: rgba(255,61,0,0.32); }
        .buf-ring:nth-child(4) { width: 186px; height: 186px; animation-delay: 1.4s; border-color: rgba(255,61,0,0.15); }
        @keyframes bufRingPulse {
            0%  { opacity: 0; transform: translate(-50%,-50%) scale(0.65); }
            12% { opacity: 1; }
            80% { opacity: 0; }
            100%{ opacity: 0; transform: translate(-50%,-50%) scale(1); }
        }
        .buf-bars {
            display: flex;
            align-items: flex-end;
            gap: 5px;
            height: 22px;
        }
        .buf-bar {
            width: 4px;
            border-radius: 2px;
            background: var(--secondary-color);
            animation: bufWave 1s ease-in-out infinite;
            transform-origin: bottom;
        }
        .buf-bar:nth-child(1) { height: 8px;  animation-delay: 0s; }
        .buf-bar:nth-child(2) { height: 15px; animation-delay: 0.12s; }
        .buf-bar:nth-child(3) { height: 22px; animation-delay: 0.24s; }
        .buf-bar:nth-child(4) { height: 15px; animation-delay: 0.36s; }
        .buf-bar:nth-child(5) { height: 8px;  animation-delay: 0.48s; }
        @keyframes bufWave {
            0%, 100% { opacity: 0.25; transform: scaleY(0.35); }
            50%       { opacity: 1;    transform: scaleY(1); }
        }

        #buffer-overlay p {
            color: rgba(255,255,255,0.75);
            font-size: 0.85rem;
            margin: 0;
            letter-spacing: 0.04em;
        }

        /* ==================== STREAM TOAST ==================== */
        .stream-toast {
            position: fixed;
            top: 20px; right: 20px;
            padding: 10px 18px;
            border-radius: 8px;
            font-size: 0.85rem;
            color: #fff;
            z-index: 99999;
            pointer-events: none;
            opacity: 0;
            transform: translateY(-12px);
            transition: opacity 0.3s, transform 0.3s;
            max-width: 360px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.4);
        }
        .stream-toast.show { opacity: 1; transform: translateY(0); }
        .stream-toast.warn { background: rgba(255,152,0,0.92); }
        .stream-toast.error { background: rgba(244,67,54,0.92); }
        .stream-toast.ok { background: rgba(76,175,80,0.92); }
        .stream-toast i { margin-right: 6px; }

        #video-player {
            width: 100%;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
            background: #000;
            display: block;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        #video-player::-webkit-media-controls {
            display: none !important;
        }
        #video-player::-webkit-media-controls-start-playback-button {
            display: none !important;
        }

        body.catchup-mode #video-player::-webkit-media-controls,
        body.catchup-mode #video-player::-webkit-media-controls-start-playback-button {
            display: none !important;
        }

        /* ===== Custom Catchup Player Controls ===== */
        .catchup-controls {
            position: absolute;
            bottom: 0; left: 0; right: 0;
            z-index: 30;
            display: flex;
            flex-direction: column;
            background: linear-gradient(0deg, rgba(0,0,0,0.92) 0%, rgba(0,0,0,0.6) 60%, transparent 100%);
            padding: 40px 12px 10px;
            opacity: 1;
            transition: opacity 0.3s;
            user-select: none;
            box-sizing: border-box;
            overflow: hidden;
        }
        .catchup-controls.cc-hidden { opacity: 0; pointer-events: none; }

        .cc-seek-row {
            display: flex; align-items: center; gap: 8px; width: 100%; margin-bottom: 6px;
        }
        .cc-seek-bar {
            flex: 1; height: 4px; -webkit-appearance: none; appearance: none;
            background: rgba(255,255,255,0.2); border-radius: 2px; cursor: pointer; outline: none;
            transition: height 0.15s;
            min-width: 0; box-sizing: border-box;
        }
        .cc-seek-row:hover .cc-seek-bar,
        .cc-seek-bar:active { height: 6px; }
        .cc-seek-bar::-webkit-slider-thumb {
            -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%;
            background: #ff5722; border: 2px solid #fff; cursor: pointer;
            box-shadow: 0 0 6px rgba(255,87,34,0.5);
        }
        .cc-seek-bar::-moz-range-thumb {
            width: 14px; height: 14px; border-radius: 50%;
            background: #ff5722; border: 2px solid #fff; cursor: pointer;
        }
        .cc-seek-bar::-webkit-slider-runnable-track { border-radius: 2px; }
        .cc-seek-bar::-moz-range-track { background: rgba(255,255,255,0.2); border-radius: 2px; height: 4px; }

        .cc-bottom-row {
            display: flex; align-items: center; gap: 8px; width: 100%; min-width: 0;
        }
        .cc-btn {
            background: none; border: none; color: #fff; cursor: pointer;
            width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
            border-radius: 50%; font-size: 16px; padding: 0;
            transition: background 0.15s, transform 0.1s; flex-shrink: 0;
        }
        .cc-btn:hover { background: rgba(255,255,255,0.12); }
        .cc-btn:active { transform: scale(0.9); }
        .cc-btn-play { font-size: 18px; }
        .cc-time {
            color: rgba(255,255,255,0.85); font-size: 0.75rem; font-family: 'Roboto', monospace;
            white-space: nowrap; min-width: 80px; flex-shrink: 0;
        }
        .cc-spacer { flex: 1; min-width: 0; }
        .cc-speed {
            color: rgba(255,255,255,0.85); font-size: 0.72rem; font-weight: 600;
            background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
            border-radius: 4px; padding: 3px 8px; cursor: pointer; flex-shrink: 0;
            transition: background 0.15s;
        }
        .cc-speed:hover { background: rgba(255,255,255,0.2); }
        .cc-vol-wrap { display: flex; align-items: center; gap: 0; }
        .cc-vol-bar {
            width: 0; overflow: hidden; transition: width 0.2s; height: 4px;
            -webkit-appearance: none; appearance: none; background: rgba(255,255,255,0.2);
            border-radius: 2px; cursor: pointer; outline: none; vertical-align: middle;
        }
        .cc-vol-wrap:hover .cc-vol-bar { width: 60px; margin-left: 4px; }
        .cc-vol-bar::-webkit-slider-thumb {
            -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%;
            background: #fff; cursor: pointer;
        }
        .cc-vol-bar::-moz-range-thumb {
            width: 12px; height: 12px; border-radius: 50%; background: #fff; cursor: pointer; border: none;
        }
        .cc-live-btn {
            color: #ff8a65; font-size: 0.73rem; font-weight: 700; background: rgba(255,87,34,0.12);
            border: 1px solid rgba(255,87,34,0.25); border-radius: 16px; padding: 4px 10px;
            cursor: pointer; transition: background 0.15s; flex-shrink: 0; white-space: nowrap;
        }
        .cc-live-btn:hover { background: rgba(255,87,34,0.25); }
        .cc-title {
            color: rgba(255,255,255,0.7); font-size: 0.72rem; overflow: hidden;
            text-overflow: ellipsis; white-space: nowrap; max-width: 180px; min-width: 0; flex: 1 1 120px;
        }
        @media (max-width: 600px) {
            .catchup-controls { padding: 20px 8px 6px; }
            .cc-bottom-row { gap: 4px; }
            .cc-btn { width: 34px; height: 34px; font-size: 14px; }
            .cc-btn-play { font-size: 16px; }
            .cc-time { font-size: 0.68rem; min-width: 70px; }
            .cc-title { display: none; }
            .cc-speed { font-size: 0.66rem; padding: 2px 6px; }
            .cc-live-btn { font-size: 0.66rem; padding: 3px 8px; }
        }

        #player-container {
            background: #000;
        }

        body.catchup-mode #player-container {
            position: relative;
            display: grid;
            background: #000;
            border-radius: 16px;
            box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
        }

        body.catchup-mode #player-container::before {
            content: '';
            position: absolute;
            inset: 0;
            background: #000;
            border-radius: inherit;
            z-index: 1;
            pointer-events: none;
        }

        body.catchup-mode #video-player {
            display: none !important;
            opacity: 0 !important;
            visibility: hidden !important;
            pointer-events: none !important;
            border-radius: 16px;
            box-shadow: none;
        }

        body.catchup-mode #catchup-player {
            position: relative;
            z-index: 2;
            display: block !important;
            width: 100% !important;
            height: 100% !important;
            max-width: 100%;
            max-height: 100%;
            background: #000;
            border-radius: inherit;
            aspect-ratio: 16/9;
            object-fit: contain;
        }

        .player-loading {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 300px;
            background-color: var(--darker-bg);
            border-radius: var(--border-radius);
        }

        .player-loading .spinner {
            width: 50px;
            height: 50px;
            border: 5px solid rgba(255, 255, 255, 0.2);
            border-top: 5px solid var(--secondary-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-bottom: 1rem;
        }

        [data-theme="light"] .player-loading .spinner {
            border: 5px solid rgba(0, 0, 0, 0.1);
            border-top: 5px solid var(--secondary-color);
        }

        .player-loading p {
            color: var(--text-primary);
            font-size: 1rem;
        }

        .refresh-message {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: rgba(0, 0, 0, 0.7);
            color: var(--text-primary);
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            z-index: 10;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: opacity 0.3s ease;
        }

        .refresh-message p {
            margin: 0;
        }

        /* Pull-to-refresh indicator */
        #pull-refresh-indicator {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            height: 0;
            overflow: hidden;
            transition: height 0.2s ease;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        #pull-refresh-indicator.pulling {
            height: 48px;
        }
        #pull-refresh-indicator .ptr-icon {
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }
        #pull-refresh-indicator.ready .ptr-icon {
            transform: rotate(180deg);
        }
        #pull-refresh-indicator.loading .ptr-icon {
            animation: ptr-spin 0.8s linear infinite;
        }
        @keyframes ptr-spin {
            to { transform: rotate(360deg); }
        }

        /* Channels Section */
        .section {
            margin-bottom: 2rem;
            padding: 0 1.5rem;
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid var(--hover-effect);
        }

        .section-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .section-title i {
            font-size: 1.2rem;
            color: var(--secondary-color);
        }

        .channel-count {
            font-size: 0.9rem;
            color: var(--text-secondary);
            background-color: var(--hover-effect);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
        }


        .channel-list {
            display: block;
        }

        .channel-tab-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-bottom: 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--hover-effect);
        }

        .channel-tab-btn {
            background: var(--card-bg);
            border: 1px solid var(--hover-effect);
            color: var(--text-secondary);
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .channel-tab-btn:hover {
            border-color: var(--secondary-color);
            color: var(--secondary-color);
        }

        .channel-tab-btn.active {
            background: var(--secondary-color);
            border-color: var(--secondary-color);
            color: #fff;
            font-weight: 600;
        }

        .channel-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 1rem;
        }

        .channel-item {
            background-color: var(--card-bg);
            border-radius: var(--border-radius);
            overflow: hidden;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            box-shadow: var(--shadow);
            border: 1px solid var(--hover-effect);
        }

        .channel-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        .channel-image {
            position: relative;
            padding-top: 100%;
            overflow: hidden;
        }

        .ch-catchup-badge {
            position: absolute;
            bottom: 5px;
            right: 5px;
            font-size: 1rem;
            color: #ff9800;
            line-height: 1;
            pointer-events: none;
            text-shadow: 0 1px 3px rgba(0,0,0,0.7);
            z-index: 2;
        }

        .channel-item img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: contain;
            padding: 1rem;
            background-color: var(--darker-bg);
        }

        .channel-info {
            padding: 0.8rem;
            text-align: center;
        }

        .channel-name {
            font-weight: 500;
            font-size: 0.9rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .fav-btn {
            position: absolute;
            top: 0.5rem;
            right: 0.5rem;
            background-color: var(--darker-bg);
            border: none;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 2;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

        .fav-btn:hover {
            background-color: var(--secondary-color);
            transform: scale(1.1);
        }

        .fav-btn:hover i {
            color: white;
        }

        .fav-btn::before {
            content: attr(data-tooltip);
            position: absolute;
            top: -40px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--darker-bg);
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.2s;
            box-shadow: var(--shadow);
        }

        .fav-btn:hover::before {
            opacity: 1;
        }

        .fav-btn i {
            color: var(--primary-color);
            font-size: 1rem;
            transition: var(--transition);
        }

        .fav-btn.favorited i {
            color: var(--secondary-color);
        }

        /* Animation khi click */
        @keyframes heartBeat {
            0% { transform: scale(1); }
            25% { transform: scale(1.2); }
            50% { transform: scale(1); }
            75% { transform: scale(1.2); }
            100% { transform: scale(1); }
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .heart-beat {
            animation: heartBeat 0.5s;
        }

        /* Loading State */
        .loading {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 2rem;
        }

        .spinner {
            width: 40px;
            height: 40px;
            border: 4px solid rgba(255, 255, 255, 0.2);
            border-top: 4px solid var(--secondary-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        [data-theme="light"] .spinner {
            border: 4px solid rgba(0, 0, 0, 0.1);
            border-top: 4px solid var(--secondary-color);
        }

        /* Footer */
        footer {
            background-color: var(--darker-bg);
            padding: 1.5rem 0;
            text-align: center;
            margin-top: auto;
            border-top: 1px solid var(--hover-effect);
            transition: background-color 0.3s ease;
        }

        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 1rem;
        }

        .footer-link {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-link:hover {
            color: var(--secondary-color);
        }

        footer p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* About Page */
        .about-container {
            max-width: 800px;
            margin: 2rem auto;
            padding: 0 1.5rem;
        }

        .about-section {
            background-color: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }

        .about-title {
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            color: var(--secondary-color);
        }

        .about-text {
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

        /* Responsive - chỉ desktop (loại trừ điện thoại landscape) */
        @media (min-width: 769px) {
          html:not(.is-mobile) .header-container {
                flex-wrap: nowrap;
            }

          html:not(.is-mobile) .nav-container {
                display: flex;
                align-items: center;
                justify-content: flex-end;
                gap: 1rem;
            }

          html:not(.is-mobile) .search-section {
                flex: 1;
                max-width: 400px;
                margin: 0 1rem;
            }

          html:not(.is-mobile) .nav-menu {
                display: flex;
                gap: 0.5rem;
            }

          html:not(.is-mobile) .nav-link {
                padding: 0.5rem;
            }

          html:not(.is-mobile) .nav-text {
                display: none;
            }

          html:not(.is-mobile) .mobile-menu-btn,
          html:not(.is-mobile) .mobile-search-btn {
                display: none;
            }
        }

        @media (min-width: 768px) and (max-width: 1024px) {
          html:not(.is-mobile) .header-container {
                padding: 0.5rem 1rem;
            }

          html:not(.is-mobile) .logo {
                font-size: 1.5rem;
                margin-right: 0.5rem;
            }

          html:not(.is-mobile) .nav-container {
                display: flex;
                align-items: center;
                justify-content: flex-end;
                gap: 0.5rem;
            }

          html:not(.is-mobile) .search-section {
                max-width: none;
                width: 100%;
                margin: 0 0.5rem 0 0;
            }

          html:not(.is-mobile) .search-container {
                width: 100%;
            }

          html:not(.is-mobile) #search-input {
                width: 100%;
            }

          html:not(.is-mobile) .nav-menu {
                gap: 0.3rem;
            }

          html:not(.is-mobile) .nav-link i {
                font-size: 1.1rem;
            }

          html:not(.is-mobile) .theme-toggle {
                font-size: 1.1rem;
            }
        }

        @media (min-width: 1025px) {
          html:not(.is-mobile) .header-container {
                padding: 0.5rem 1.5rem;
            }

          html:not(.is-mobile) .logo {
                margin-right: 1rem;
            }

          html:not(.is-mobile) .search-section {
                max-width: 500px;
                margin: 0 1rem;
            }
        }

        @media (max-width: 768px) {
            html {
                scroll-padding-top: 120px;
            }
            
            .player-section {
                scroll-margin-top: 120px;
            }
            
            .header-container {
                padding: 0.5rem;
                flex-direction: row;
                align-items: center;
                width: 100%;
            }

            .logo {
                margin-right: 0;
            }

            .nav-container {
                width: auto;
                justify-content: flex-end;
                padding-right: 0;
            }

            .search-section {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                padding: 0.5rem;
                margin: 0;
                background-color: var(--nav-bg);
                opacity: 0;
                visibility: hidden;
                transition: opacity 0.3s ease, visibility 0.3s ease;
                z-index: 100;
            }

            .search-section.active {
                opacity: 1;
                visibility: visible;
            }

            .search-back-btn {
                display: block;
            }

            .mobile-search-btn {
                display: block;
            }

            .nav-menu {
                display: none;
                position: fixed;
                top: 60px;
                left: 0;
                width: 100%;
                background-color: var(--nav-bg);
                flex-direction: column;
                padding: 1rem;
                box-shadow: var(--shadow);
                z-index: 90;
            }

            .nav-menu.active {
                display: flex;
            }

            .nav-menu.active-with-search {
                top: 120px;
            }

            .nav-item {
                margin-bottom: 0.5rem;
            }

            .nav-text {
                display: inline;
            }

            .nav-link::before {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .channel-grid {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            }

            .section {
                padding: 0 1rem;
            }

            #favorites {
                padding: 0 1rem;
            }

            .player-container {
                padding: 0;
            }

            .player-loading {
                height: 200px;
            }

            .logo.hidden {
                opacity: 0;
                visibility: hidden;
            }

            .player-section {
                padding: 0 !important;
                margin: 0 !important;
                width: 100% !important;
            }

            main.main-layout {
                margin-top: 1.25rem;
            }

            .player-container {
                padding: 0 !important;
                border-radius: 0 !important;
                max-width: 100% !important;
                width: 100% !important;
            }

            #video-player {
                border-radius: 0 !important;
                height: 56.25vw !important;
                min-height: 200px !important;
                width: 100% !important;
            }
        }

        /* Force mobile layout cho điện thoại ở MỌI orientation (kể cả landscape) */
        html.is-mobile {
            scroll-padding-top: 120px;
        }
        html.is-mobile .player-section {
            scroll-margin-top: 120px;
        }
        html.is-mobile .header-container {
            padding: 0.5rem;
            flex-direction: row;
            align-items: center;
            width: 100%;
        }
        html.is-mobile .logo {
            margin-right: 0;
        }
        html.is-mobile .nav-container {
            width: auto;
            justify-content: flex-end;
            padding-right: 0;
        }
        html.is-mobile .search-section {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            padding: 0.5rem;
            margin: 0;
            background-color: var(--nav-bg);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            z-index: 100;
        }
        html.is-mobile .search-section.active {
            opacity: 1;
            visibility: visible;
        }
        html.is-mobile .search-back-btn {
            display: block;
        }
        html.is-mobile .mobile-search-btn {
            display: block;
        }
        html.is-mobile .nav-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            width: 100%;
            background-color: var(--nav-bg);
            flex-direction: column;
            padding: 1rem;
            box-shadow: var(--shadow);
            z-index: 90;
        }
        html.is-mobile .nav-menu.active {
            display: flex;
        }
        html.is-mobile .nav-item {
            margin-bottom: 0.5rem;
        }
        html.is-mobile .nav-text {
            display: inline;
        }
        html.is-mobile .nav-link::before {
            display: none;
        }
        html.is-mobile .mobile-menu-btn {
            display: block;
        }
        html.is-mobile .channel-grid {
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
        }
        html.is-mobile .channel-item {
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.06);
        }
        html.is-mobile .channel-item:hover {
            transform: none;
        }
        html.is-mobile .channel-image {
            padding-top: 70%;
        }
        html.is-mobile .channel-item img {
            padding: 10px;
        }
        html.is-mobile .channel-info {
            padding: 4px 6px 6px;
        }
        html.is-mobile .channel-name {
            font-size: 0.72rem;
            font-weight: 500;
        }
        html.is-mobile .fav-btn {
            width: 24px;
            height: 24px;
            top: 4px;
            right: 4px;
            font-size: 0.65rem;
        }
        html.is-mobile .ch-num {
            font-size: 0.65rem;
        }
        html.is-mobile .ch-catchup-badge {
            font-size: 0.7rem;
            bottom: 3px;
            right: 3px;
        }
        html.is-mobile .section {
            padding: 0 1rem;
        }
        html.is-mobile #favorites {
            padding: 0 1rem;
        }
        html.is-mobile .player-container {
            padding: 0 !important;
            border-radius: 0 !important;
            max-width: 100% !important;
            width: 100% !important;
        }
        html.is-mobile .player-section {
            padding: 0 !important;
            margin: 0 !important;
            width: 100% !important;
            position: sticky;
            top: 44px;
            z-index: 50;
            background: #000;
        }
        html.is-mobile main.main-layout {
            margin-top: 1.25rem;
        }
        html.is-mobile #video-player {
            border-radius: 0 !important;
            height: 56.25vw !important;
            min-height: 200px !important;
            width: 100% !important;
        }
        html.is-mobile .logo.hidden {
            opacity: 0;
            visibility: hidden;
        }

        @media (max-width: 480px) {
            .channel-grid {
                gap: 0.8rem;
            }

            .channel-tab-bar {
                gap: 0.3rem;
                padding-bottom: 0.6rem;
                margin-bottom: 0.8rem;
            }

            .channel-tab-btn {
                padding: 0.28rem 0.65rem;
                font-size: 0.76rem;
                flex-shrink: 0;
            }

            .section-title {
                font-size: 1.1rem;
            }

            .footer-links {
                flex-direction: column;
                gap: 0.8rem;
            }

            .search-section {
                padding: 0.5rem;
            }
        }

        /* JW Player Customizations */
        .jw-flag-small-player .jw-nextup-container,
        .jw-flag-small-player .jw-nextup-container .jw-nextup,
        .jw-icon-cc,
        .jw-icon.jw-icon-inline.jw-button-color.jw-reset.jw-icon-pip,
        .jw-icon.jw-icon-inline.jw-button-color.jw-reset.jw-icon.jw-icon-inline.jw-button-color.jw-reset.jw-icon-next,
        .jw-rightclick {
            display: none !important;
        }

        /* Ẩn spinner mặc định của JW Player, chỉ dùng custom overlay */
        .jw-icon-buffer,
        .jw-icon-buffer svg,
        .jw-svg-icon-buffer,
        .jw-state-buffering .jw-display-icon-container,
        .jw-state-loading .jw-display-icon-container {
            display: none !important;
            opacity: 0 !important;
        }

        #my-player {
            width: 100% !important;
            height: 100% !important;
        }
body {
    overflow: auto !important;
}

#player-container:-webkit-full-screen {
    overflow: auto !important;
}

#player-container:fullscreen {
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}
#player-container:fullscreen #video-player {
    border-radius: 0;
    max-height: 100vh;
    width: 100%;
}
#video-player::-webkit-media-controls-fullscreen-button {
    display: block;
}


#tv-mode-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}
#tv-mode-btn:hover { background: var(--hover-effect); color: var(--secondary-color); }
body.tv-mode #tv-mode-btn { color: var(--secondary-color); }

body.tv-mode { overflow: hidden; height: 100vh; }

body.tv-mode header { display: none !important; }

/* Hide non-essential UI in TV mode */
body.tv-mode .nav-menu,
body.tv-mode .search-section,
body.tv-mode .mobile-search-btn,
body.tv-mode .mobile-menu-btn,
body.tv-mode footer,
body.tv-mode #favorites { display: none !important; }

/* TV two-panel layout */
body.tv-mode .player-section {
    position: fixed;
    top: 0; left: 0;
    width: 66%;
    height: 100vh;
    padding: 0 !important;
    margin: 0 !important;
    background: #000;
    z-index: 10;
    display: block;
}
body.tv-mode .player-section .container,
body.tv-mode .player-container,
body.tv-mode #player-container {
    max-width: 100% !important;
    width: 100% !important;
    height: 100vh !important;
    padding: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    position: static !important;
}
body.tv-mode #video-player {
    width: 100% !important;
    height: 100vh !important;
    border-radius: 0 !important;
    max-width: 100% !important;
    display: block !important;
    object-fit: fill;
}

/* TV sidebar */
body.tv-mode main.main-layout {
    position: fixed;
    top: 0; right: 0;
    width: 34%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
    background: var(--darker-bg);
    border-left: 1px solid var(--hover-effect);
    z-index: 10;
}
body.tv-mode #channels {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: 0.7rem 0.7rem 0;
    margin: 0;
    min-height: 0;
}
body.tv-mode #channels .section-header { margin-bottom: 0.5rem; padding-bottom: 0.4rem; }

body.tv-mode .channel-tab-bar {
    flex-shrink: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: visible;
    padding-bottom: 0.5rem;
    margin-bottom: 0.4rem;
    scrollbar-width: none;
    display: flex;
    width: 100%;
}
body.tv-mode .channel-tab-bar::-webkit-scrollbar { display: none; }

body.tv-mode .channel-tab-btn {
    font-size: 0.88rem;
    padding: 0.35rem 0.9rem;
    flex-shrink: 0;
}
body.tv-mode .channel-tab-btn.tv-focused,
body.tv-mode .channel-tab-btn:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 0;
}

/* TV: channel list vertical */
body.tv-mode #channels { min-height: 0; }
body.tv-mode .channel-list { flex: 1; overflow: hidden; display: flex; flex-direction: column; min-height: 0; }

body.tv-mode .channel-grid {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    display: flex !important;
    flex-direction: column;
    gap: 3px;
    grid-template-columns: unset !important;
    padding-right: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-color) transparent;
}
body.tv-mode .channel-grid::-webkit-scrollbar { width: 4px; }
body.tv-mode .channel-grid::-webkit-scrollbar-thumb { background: var(--secondary-color); border-radius: 2px; }

/* TV: channel item as horizontal row */
body.tv-mode .channel-item {
    display: flex !important;
    align-items: center;
    padding: 0.45rem 0.6rem;
    border-radius: 8px;
    height: 52px;
    min-height: 52px;
    transform: none !important;
    transition: background 0.12s, border-color 0.12s;
    cursor: pointer;
}
body.tv-mode .channel-item:hover { transform: none !important; }

body.tv-mode .channel-image {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    padding-top: 0 !important;
    position: static !important;
    background: rgba(255,255,255,0.06);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
body.tv-mode .channel-image img {
    position: static !important;
    width: 40px !important;
    height: 40px !important;
    object-fit: contain;
    padding: 6px;
    background: transparent;
}
body.tv-mode .channel-number {
    width: 24px;
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-align: center;
    margin-right: 0.4rem;
    flex-shrink: 0;
}
body.tv-mode .channel-info {
    flex: 1;
    padding: 0 0.5rem;
    text-align: left;
    min-width: 0;
}
body.tv-mode .channel-name { font-size: 0.9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

body.tv-mode .fav-btn {
    position: static !important;
    width: 26px; height: 26px;
    flex-shrink: 0;
    font-size: 0.8rem;
}

/* TV focus state */
body.tv-mode .channel-item.tv-focused {
    outline: 2px solid var(--secondary-color);
    outline-offset: -1px;
    background: rgba(255, 61, 0, 0.14);
    border-color: var(--secondary-color);
}
body.tv-mode .channel-item.active {
    background: rgba(255, 61, 0, 0.18);
    border-color: var(--secondary-color);
}
body.tv-mode .channel-item.active.tv-focused {
    outline: 2px solid #fff;
    background: rgba(255, 61, 0, 0.28);
}

/* TV: sidebar hide/show toggle */
body.tv-mode.tv-sidebar-hidden main.main-layout { display: none !important; }
body.tv-mode.tv-sidebar-hidden .player-section { width: 100%; }
body.tv-mode .player-section { transition: width 0.25s ease; }
body.tv-mode main.main-layout { transition: width 0.25s ease; }

/* Ẩn các phần tử thừa trong TV mode */
body.tv-mode #device-debug-bar,
body.tv-mode #pull-refresh-indicator,
body.tv-mode #refresh-message { display: none !important; }