.audio-player-container {
            position: relative; top: -2em;
            background: transparent;
            border-radius: 20px;
            width: 100%;
            overflow: hidden;
        }

        .playlist-selector {
            background: transparent;
            padding: 20px;
            border-bottom: 1px solid #e9ecef;
        }

        .playlist-selector h2 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: #ddd;
        }

        .playlist-tabs {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .playlist-tab {
            padding: 10px 20px;
            background: #444;
            color: #ffffe6;
            border-radius: 25px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .playlist-tab:hover {
            background: #dee2e6;
            transform: translateY(-2px);
            color: #444;
        }

        .playlist-tab.active {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }

        .current-track-info {
            padding: 1em;
            background: linear-gradient(135deg, #c60 0%, #f93 100%);
            color: white;
            text-align: center;
        }

        .current-track-info h3 {
            font-size: 1.3rem;
            margin-bottom: 5px;
        }

        .current-track-info p {
            opacity: 0.9;
            font-size: 0.95rem;
        }

        .playlist {
            padding: 20px;
            max-height: 300px;
            overflow-y: auto;
        }

        .playlist::-webkit-scrollbar {
            width: 6px;
        }

        .playlist::-webkit-scrollbar-track {
            background: #f1f1f1;
        }

        .playlist::-webkit-scrollbar-thumb {
            background: #c1c1c1;
            border-radius: 3px;
        }

        .playlist::-webkit-scrollbar-thumb:hover {
            background: #a1a1a1;
        }

        .track-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.3em 0.5em 0;
            margin-bottom: 0.5em;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid #c60;
            background: #ffc;
        }

        .track-item:hover {
            background: #e9ecef;
            transform: translateX(5px);
        }

        .track-item.active {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-color: #667eea;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }

        .track-info {
            flex: 1;
        }

        .track-info h4 {
            margin: 0 0 2px 0;
            font-size: 1.1rem;
            font-weight: 600;
        }

        .track-info p {
            margin: 0;
            font-size: 0.9rem;
            opacity: 0.8;
        }

        .track-item.active .track-info p {
            opacity: 0.9;
        }

        .track-duration {
            font-size: 0.9rem;
            opacity: 0.7;
            margin-left: 15px;
        }

        .player-controls {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 25px;
            background: transparent;
            border-top: 1px solid #e9ecef;
            gap: 20px;
        }

        .control-btn {
            background: orange;
            color: white;
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }

        .control-btn:hover {
            background: #5a67d8;
            transform: scale(1.1);
        }

        .control-btn:active {
            transform: scale(0.95);
        }

        .play-pause-btn {
            width: 60px;
            height: 60px;
            font-size: 1.4rem;
            background: #c60;
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
        }

        .play-pause-btn:hover {
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
        }

        .progress-container {
            padding: 0 20px 20px;
        }

        .progress-bar {
            width: 100%;
            height: 8px;
            background: #e9ecef;
            border-radius: 4px;
            overflow: hidden;
            cursor: pointer;
            position: relative;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
            width: 0%;
            transition: width 0.1s ease;
            position: relative;
        }

        .progress-fill::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
            animation: shimmer 2s infinite;
        }

        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        .time-display {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            color: #6c757d;
            margin-top: 10px;
        }

        .volume-control {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 0 20px 20px;
        }

        .volume-slider {
            flex: 1;
            height: 4px;
            background: #e9ecef;
            border-radius: 2px;
            cursor: pointer;
            position: relative;
        }

        .volume-fill {
            height: 100%;
            background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
            width: 70%;
            border-radius: 2px;
            transition: width 0.1s ease;
        }

        .volume-icon {
            font-size: 1.2rem;
            color: #6c757d;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .volume-icon:hover {
            color: #667eea;
        }

        .playlist-hidden {
            display: none !important;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .audio-player-container {
                margin: 10px;
                border-radius: 15px;
            }
            
            .player-controls {
                padding: 20px;
                gap: 15px;
            }
            
            .control-btn {
                width: 45px;
                height: 45px;
                font-size: 1.1rem;
            }
            
            .play-pause-btn {
                width: 55px;
                height: 55px;
                font-size: 1.3rem;
            }
            
            .track-item {
                padding: 12px;
            }
            
            .track-info h4 {
                font-size: 1rem;
            }
            
            .track-info p {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 480px) {
            body {
                padding: 10px;
            }
            
            .audio-player-container {
                border-radius: 10px;
            }
            
            .playlist-selector {
                padding: 15px;
            }
            
            .player-controls {
                padding: 15px;
                gap: 10px;
            }
            
            .control-btn {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            
            .play-pause-btn {
                width: 45px;
                height: 45px;
                font-size: 1.2rem;
            }
            
            .track-item {
                padding: 10px;
                margin-bottom: 8px;
            }
            
            .track-duration {
                margin-left: 10px;
            }
        }