:root {
            --primary: #4a6fa5;
            --secondary: #166088;
            --light: #f8f9fa;
            --dark: #343a40;
        }
        .player {
            background: white 0.7;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            width: 1000px;
            padding: 24px;
            text-align: center;
            transition: all 0.3s ease;
			margin-bottom: 30px;
        }
        .cover {
            width: 180px;
            height: 180px;
            border-radius: 12px;
            object-fit: cover;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .info {
            margin-bottom: 20px;
        }
        .title-m {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--dark);
        }
        .artist {
            font-size: 14px;
            color: #666;
        }
        .controls {
            display: flex;
            justify-content: left;
            align-items: center;
            margin-bottom: 16px;
        }
        .btn {
            background: none;
            border: none;
            font-size: 18px;
            color: var(--dark);
            cursor: pointer;
            margin: 0 12px;
            transition: all 0.2s;
        }
        .btn:hover {
            color: var(--primary);
        }
        .btn-play {
            width: 50px;
            height: 50px;
            background: var(--primary);
            border-radius: 50%;
            color: white;
            font-size: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            box-shadow: 0 4px 12px rgba(74, 111, 165, 0.3);
        }
        .btn-play:hover {
            transform: scale(1.05);
            background: var(--secondary);
        }
        .progress-container {
            background: #eee;
            border-radius: 4px;
            height: 4px;
			margin-top: 30px;
            margin-bottom: 16px;
            cursor: pointer;
        }
        .progress-m {
            background: var(--primary);
            border-radius: 4px;
            height: 100%;
            width: 0%;
            transition: width 0.1s linear;
        }
        .time {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: #888;
            margin-bottom: 20px;
        }
        .volume-container {
            display: flex;
            align-items: center;
            justify-content: left;
            margin-top: 15px;
			margin-bottom: 35px;
        }
        .volume-slider {
            width: 100px;
            margin-left: 8px;
            -webkit-appearance: none;
            height: 4px;
            background: #ddd;
            border-radius: 2px;
            outline: none;
        }
        .volume-slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            cursor: pointer;
        }
        .file-input {
            display: none;
        }
        .file-btn {
            background: var(--light);
            border: 1px solid #ddd;
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 14px;
            color: var(--dark);
            cursor: pointer;
            transition: all 0.2s;
        }
        .file-btn:hover {
            background: #e9ecef;
        }