.music-player { position: fixed; right: max(24px, env(safe-area-inset-right)); bottom: max(24px, env(safe-area-inset-bottom)); z-index: 30; display: flex; align-items: center; justify-content: flex-end; width: 40px; min-height: 40px; border-radius: 36px; transition: width .28s ease, background .28s, box-shadow .28s; }
.music-player[hidden], .music-panel[hidden] { display: none; }
.music-player.is-expanded { width: min(360px, calc(100vw - 48px)); padding: 7px; gap: 10px; border: 1px solid var(--line); background: var(--header-bg); backdrop-filter: blur(18px); box-shadow: 0 12px 40px #19232d14; }
.music-panel { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; padding-left: 8px; }
.music-track { flex: 1; min-width: 0; }
.music-kicker { display: flex; align-items: center; gap: 6px; margin-bottom: 5px; color: var(--muted); font-size: 7px; font-weight: 600; letter-spacing: 1.1px; }
.music-kicker::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--muted); flex-shrink: 0; }
.music-player.is-playing .music-kicker::before { background: var(--blue); box-shadow: 0 0 8px var(--blue); }
.music-title { overflow: hidden; color: var(--ink); font-size: 11px; line-height: 1.5; }
.music-title span { display: block; width: max-content; white-space: nowrap; }
.music-title.is-scrolling span { animation: music-marquee 9s ease-in-out infinite alternate; }
.music-controls { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.music-control { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; padding: 7px; border: 1px solid transparent; border-radius: 50%; background: transparent; color: var(--ink); cursor: pointer; transition: border-color .2s, color .2s; }
.music-control svg { width: 16px; height: 16px; pointer-events: none; }
.music-control:hover { border-color: var(--line); color: var(--blue); }
.music-control:disabled { opacity: .3; cursor: default; }
.music-control--play { border-color: var(--line); background: var(--paper); }
.music-toggle { position: relative; }
.music-prompt { position: absolute; right: calc(100% + 10px); padding: 8px 12px; border: 1px solid var(--line); border-radius: 20px; background: var(--header-bg); color: var(--ink); font-size: 11px; line-height: 1.2; letter-spacing: .2px; white-space: nowrap; box-shadow: 0 6px 20px #19232d10; opacity: 0; transform: translateX(6px); pointer-events: none; transition: opacity .2s, transform .2s; }
.music-player.has-prompt:not(.is-expanded) .music-prompt { opacity: 1; transform: translateX(0); }
.music-player.is-playing .music-toggle { color: var(--blue); border-color: var(--blue); }
.music-player.has-error .music-kicker::before { background: #c77b7b; }
@keyframes music-marquee { 0%, 18% { transform: translateX(0); } 82%, 100% { transform: translateX(var(--music-travel)); } }
@media (max-width: 640px) { .music-player { right: max(20px, env(safe-area-inset-right)); bottom: max(20px, env(safe-area-inset-bottom)); width: 44px; min-height: 44px; } .music-player.is-expanded { width: min(360px, calc(100vw - 40px)); gap: 8px; } .music-panel { gap: 8px; padding-left: 4px; } .music-control { width: 36px; height: 36px; } }
@media (prefers-reduced-motion: reduce) { .music-player, .music-control, .music-prompt { transition: none; } .music-title.is-scrolling span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; animation: none; } }