/* Shared player skin; the same component is available to every exercise renderer. */
.audio-visual{margin:22px 0 26px;--audio-progress:0%;--audio-press-time:110ms;--audio-return-time:240ms}
.audio-listen{display:flex;align-items:center;gap:18px;width:100%;min-height:108px;padding:18px 22px;border:2px solid var(--line);border-bottom-width:5px;border-radius:22px;background:var(--white);color:var(--green);text-align:left;transition:transform var(--audio-return-time) cubic-bezier(.2,1.4,.4,1),background .18s;touch-action:manipulation}
.audio-listen:hover{background:var(--soft)}.audio-listen:active{transform:translateY(2px) scale(.99);transition-duration:var(--audio-press-time)}
.audio-speaker{display:grid;place-items:center;width:52px;height:58px;flex-shrink:0}.audio-wave{position:relative;display:block;flex:1;min-width:0;height:64px;--audio-progress:0%}
.audio-wave svg{display:block;position:absolute;inset:0;width:100%;height:100%;fill:currentColor}.audio-wave-base{opacity:.19}.audio-wave-played{clip-path:inset(0 calc(100% - var(--audio-progress)) 0 0)}
.audio-placeholder{display:grid;place-items:center;height:100%;font-size:32px;color:var(--muted)}.audio-wave-track{position:absolute;left:0;right:0;bottom:4px;height:4px;border-radius:4px;background:var(--soft);overflow:hidden}.audio-wave-track i{display:block;width:var(--audio-progress);height:100%;background:var(--green)}
.audio-caption{display:flex;justify-content:space-between;gap:8px;margin:9px 4px 0;color:var(--muted);font-size:12px}.audio-label{color:var(--green)}
.audio-arc{opacity:.45;transform-origin:16px 16px}.audio-visual[data-phase=playing] .arc-near{animation:audio-arc 950ms ease-in-out infinite}.audio-visual[data-phase=playing] .arc-far{animation:audio-arc 950ms 140ms ease-in-out infinite}
@keyframes audio-arc{0%,100%{opacity:.35}50%{opacity:1;transform:scale(1.055)}}
@media(max-width:500px){.audio-listen{gap:9px;padding:13px 12px;min-height:100px}.audio-caption{font-size:11px}}
@media(prefers-reduced-motion:reduce){.audio-listen{transition:none}.audio-listen:active{transform:none}.audio-visual .audio-arc{animation:none!important;transform:none}}