@layer quartz-base{.music-player{border-radius:var(--radius-s);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);padding:1rem}.music-player__header{align-items:center;gap:.4rem;margin-bottom:.7rem;display:flex}.music-player__icon{font-size:.9rem}.music-player__label{color:var(--gray);letter-spacing:.05em;font-size:.72rem}.music-player__track{align-items:center;gap:.7rem;margin-bottom:.7rem;display:flex}.music-player__cover{background:linear-gradient(135deg, var(--secondary), var(--tertiary));width:44px;height:44px;transition:transform .3s var(--ease);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.music-player__cover.playing{animation:6s linear infinite musicSpin}@keyframes musicSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.music-player__cover-icon{color:#fff;font-size:1.1rem;font-weight:700}.music-player__info{flex:1;min-width:0}.music-player__title{color:var(--dark);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:.85rem;overflow:hidden}.music-player__artist{color:var(--gray);margin:.15rem 0 0;font-size:.72rem}.music-player__controls{align-items:center;gap:.5rem;display:flex}.music-player__btn{cursor:pointer;color:var(--secondary);transition:transform .15s var(--ease);background:0 0;border:none;justify-content:center;align-items:center;padding:.2rem;font-size:1rem;display:flex}.music-player__btn:hover{transform:scale(1.15)}.music-player__play-icon{font-size:.85rem}.music-player__progress{flex:1;align-items:center;gap:.35rem;display:flex}.music-player__time{color:var(--gray);font-variant-numeric:tabular-nums;text-align:center;min-width:2rem;font-size:.65rem}.music-player__seek{cursor:pointer;flex:1;height:4px}.music-player__volume-bar{margin-top:.5rem;display:none}.music-player__volume-bar.visible{display:block}.music-player__volume{cursor:pointer;width:100%;height:4px}}