.audio-visualizer {
            display: flex;
            justify-content: center;
            align-items: flex-end;
            height: 100px;
            gap: 2px;
        }
        
        .visualizer-bar {
            width: 8px;
            background: linear-gradient(to top, #3b82f6, #93c5fd);
            border-radius: 4px 4px 0 0;
            transition: height 0.1s ease;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .pulse {
            animation: pulse 2s infinite;
        }
        
        .gradient-bg {
            background: linear-gradient(-45deg, #3b82f6, #8b5cf6, #ec4899, #f59e0b);
            background-size: 400% 400%;
            animation: gradient 15s ease infinite;
        }
        
        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .album-art {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .album-art:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        
        .progress-container {
            height: 6px;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 3px;
            cursor: pointer;
        }
        
        .progress-bar {
            height: 100%;
            background-color: white;
            border-radius: 3px;
            width: 0%;
            transition: width 0.1s linear;
        }