@media (max-width: 500px) {
            body {
                background-attachment: scroll;
            }
            .player-container {
                width: 95vw;
                max-width: 400px;
                padding: 24px 10px;
            }
            .album-art {
                width: 60vw;
                max-width: 180px;
                height: 60vw;
                max-height: 180px;
                margin-bottom: 16px;
            }
            .track-info {
                margin-bottom: 15px;
                font-size: 1.05em;
            }
            .progress-bar {
                margin-bottom: 16px;
            }
            .btn {
                width: 40px;
                height: 40px;
                font-size: 20px;
            }
            .controls {
                gap: 18px;
            }
            .time-info {
                font-size: 0.90em;
            }
        }