.site-music-player {
    position: fixed;
    right: max(20px, env(safe-area-inset-right));
    bottom: calc(max(16px, env(safe-area-inset-bottom)) + 54px);
    z-index: 20;
    display: flex;
    align-items: center;
    max-width: calc(100vw - 40px);
    min-height: 44px;
    border: 1px solid var(--line);
    background: var(--paper);
    color: var(--ink);
    box-shadow: 3px 3px 0 #17345216;
    font: 700 11px/1 var(--label-font);
    letter-spacing: .06em;
}
.site-music-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-width: 44px;
    min-height: 44px;
    padding: 10px 14px;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    letter-spacing: inherit;
    cursor: pointer;
    white-space: nowrap;
}
.site-music-toggle:hover, .site-music-toggle[aria-pressed="true"] { background: var(--yellow); }
.site-music-toggle:focus-visible, .site-music-volume input:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.site-music-icon { position: relative; width: 15px; height: 15px; flex-shrink: 0; border: 1px solid currentColor; border-radius: 50%; box-shadow: inset 0 0 0 3px var(--paper), inset 0 0 0 4px currentColor; }
.site-music-icon::after { content: ""; position: absolute; left: 6px; top: 6px; width: 1px; height: 1px; background: currentColor; }
.site-music-volume { display: flex; align-items: center; gap: 8px; padding: 0 12px; min-height: 44px; border-left: 1px solid var(--line); }
.site-music-volume[hidden] { display: none; }
.site-music-volume > span { font-size: 9px; }
.site-music-volume input { width: 65px; height: 28px; margin: 0; accent-color: var(--ink); cursor: pointer; }
.site-music-status { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.spark-home-intro .site-music-player { visibility: hidden; }
.spark-home-header-reveal .site-music-player { animation: spark-sound-reveal 360ms ease-out both; }
@media (prefers-reduced-motion: reduce) {
    .spark-home-intro .site-music-player { visibility: visible; }
    .spark-home-header-reveal .site-music-player { animation: none; }
}
@media print {
    .site-music-player { display: none; }
}