* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
            background-color: #000000;
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        .header {
            color: #c0c0c0;
            margin-bottom: 30px;
        }

        .header h1 {
            font-size: 2rem;
            color: #c0c0c0;
            margin-bottom: 20px;
        }

        .upload-btn {
            background-color: #790404;
            color: white;
            padding: 12px 20px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .upload-btn:hover {
            background-color: #b00505;
        }

        .main-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        @media (max-width: 768px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }

        .section-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: #c0c0c0;
        }

        .albums-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
            max-height: 70vh;
            overflow-y: auto;
            padding-right: 15px;
        }

        .album-card {
            background: #242424;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .album-title {
            color: #cdcccc;
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .album-artist {
            color: #cdcccc;
            margin-bottom: 15px;
        }

        .album-year {
            color: #cdcccc;
            font-size: 0.85rem;
            margin-bottom: 15px;
        }

        .songs-list {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .song-item {
            color: #999999;
            padding: 8px 12px;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .song-item:hover {
            background-color: #790404;
        }

        .song-item.active {
            background-color: #b00505;
        }

        .song-title {
            font-size: 0.9rem;
            font-weight: 500;
        }

        .player-card {
            background: #242424;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            position: sticky;
            top: 20px;
        }

        .now-playing {
            margin-bottom: 20px;
        }

        .current-song {
            color: #cdcccc;
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .current-artist {
            color: #cdcccc;
            margin-bottom: 3px;
        }

        .current-album {
            color: #cdcccc;
            font-size: 0.9rem;
        }

        .progress-section {
            margin-bottom: 20px;
        }

        .time-display {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: #666;
            margin-bottom: 5px;
        }

        .progress-bar {
            width: 100%;
            height: 8px;
            background-color: #9c9c9c;
            border-radius: 4px;
            overflow: hidden;
            cursor: pointer;
        }

        .progress-fill {
            height: 100%;
            background-color: #b00505;
            width: 0%;
            transition: width 0.1s;
        }

        .controls {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .control-btn {
            color: #790404;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 200%;
            transition: background-color 0.2s;
        }

        .control-btn:hover {
            color: #b00505;
        }

        .play-pause-btn {
            background-color: #d4060642;
            color: #790404;
            padding: 12px;
        }

        .play-pause-btn:hover {
            background-color: #b0050569;
        }

        .volume-section {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .volume-slider {
            flex: 1;
            height: 4px;
            border-radius: 2px;
            background: #9c9c9c;
            outline: none;
        }

        .volume-slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #9c9c9c;
            cursor: pointer;
        }

        .volume-slider::-moz-range-thumb {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #9c9c9c;
            cursor: pointer;
            border: none;
        }

        .no-song {
            text-align: center;
            color: #666666;
            padding: 40px 20px;
        }

        .hidden {
            display: none;
        }

        .icon {
            width: 20px;
            height: 20px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
        }

        .icon-small {
            width: 16px;
            height: 16px;
        }
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.85);
            display: none;
            z-index: 9999;
        }

        .black-mode {
            filter: brightness(0%);
        }

        .full-page {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 100vw;
            height: 100vh;
            z-index: 1000;
            background: #242424;
            box-shadow: 0 0 20px rgba(0,0,0,0.3);
        }

        body.full-page-mode {
            overflow: hidden;
        }

        .full-page .controls,
        .full-page .progress-section {
            margin: 20px auto;
            max-width: 800px;
        }