.preservation-audio{--audio-ink:#14232b;--audio-muted:#4d626a;--audio-line:#b9c7c9;--audio-paper:#fbfaf4;--audio-accent:#116871;color:var(--audio-ink);margin:2.5rem 0 4rem}.preservation-audio *{box-sizing:border-box}.preservation-audio [hidden]{display:none!important}.preservation-audio button,.preservation-audio input,.preservation-audio select{font:inherit}.audio-intro{max-width:70ch;margin-bottom:1.5rem;line-height:1.65}.audio-intro a,.audio-download{color:var(--audio-accent);text-underline-offset:.2em}.audio-grid{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);align-items:start;gap:2rem}.audio-deck{position:sticky;top:1rem;background:var(--audio-paper);border:1px solid var(--audio-line);padding:clamp(1.2rem,3vw,2rem)}.audio-deck h2{font-size:clamp(1.5rem,3.2vw,2.1rem);line-height:1.15;overflow-wrap:anywhere;margin:.5rem 0 1rem}.preservation-audio .eyebrow{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.13em;color:var(--audio-muted)}#track-note,.audio-source{font-size:.9rem;color:var(--audio-muted);line-height:1.6}.preservation-audio audio{max-width:100%;width:100%}.preservation-audio input[type=range]{width:100%;accent-color:var(--audio-accent);margin:.65rem 0;min-height:26px}.audio-times{display:flex;justify-content:space-between;font-variant-numeric:tabular-nums;font-size:.85rem;color:var(--audio-muted)}.audio-transport{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:.5rem;margin:1.2rem 0 .65rem}.preservation-audio button{cursor:pointer;border:1px solid var(--audio-line);background:transparent;color:var(--audio-ink);border-radius:3px;padding:.75rem .5rem;min-height:44px}.preservation-audio button:hover{background:#e6efed}.preservation-audio button:focus-visible,.preservation-audio a:focus-visible,.preservation-audio input:focus-visible,.preservation-audio select:focus-visible{outline:3px solid #d08a1d;outline-offset:3px}.preservation-audio button.audio-play{background:var(--audio-accent);border-color:var(--audio-accent);color:white;font-weight:700}.audio-options{display:flex;gap:.5rem}.audio-options button{flex:1}.audio-deck #repeat-help,.loop-note{font-size:.85rem;line-height:1.5;color:var(--audio-muted)}.loop-note{border-left:3px solid var(--audio-accent);padding-left:.75rem}.audio-volume{display:grid;grid-template-columns:auto auto minmax(50px,1fr) 3ch;gap:.6rem;align-items:center;font-size:.85rem}.audio-volume button{padding:.5rem}.audio-status{font-size:.9rem;line-height:1.5;min-height:2.7em}.audio-status.error{color:#9c2d26}.audio-download{display:block;border-top:1px solid var(--audio-line);padding-top:1rem;font-weight:700;overflow-wrap:anywhere}.audio-keyboard{font-size:.85rem;line-height:1.6;color:var(--audio-muted)}.audio-keyboard summary{cursor:pointer}.audio-library-heading{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.audio-library-heading h2{font-size:1.4rem;margin:0 0 1rem}.audio-library-heading span{color:var(--audio-muted);font-size:.8rem;white-space:nowrap}.audio-filters{display:grid;grid-template-columns:minmax(0,1fr) 155px;gap:.75rem}.audio-filters label{font-size:.8rem;font-weight:700}.audio-filters input,.audio-filters select{display:block;width:100%;margin-top:.4rem;padding:.7rem;border:1px solid var(--audio-line);border-radius:3px;background:var(--audio-paper);color:var(--audio-ink);min-height:44px}.audio-list-count{font-size:.8rem;color:var(--audio-muted)}.audio-tracks{list-style:none;padding:0;margin:0;border-top:1px solid var(--audio-line);max-height:880px;overflow:auto;overscroll-behavior:contain}.audio-tracks li{border-bottom:1px solid var(--audio-line)}.audio-tracks button{width:100%;border:0;border-radius:0;text-align:left;display:grid;grid-template-columns:2.2rem minmax(0,1fr) auto;gap:.6rem;padding:1rem .7rem;align-items:center;line-height:1.4}.audio-tracks button.is-current{background:#dfedeb;box-shadow:inset 3px 0 var(--audio-accent)}.audio-tracks strong{display:block;font-size:.95rem;overflow-wrap:anywhere}.audio-tracks small{display:block;color:var(--audio-muted);font-size:.75rem;margin-top:.25rem}.track-number,.track-time{font-size:.78rem;color:var(--audio-muted);font-variant-numeric:tabular-nums}.empty-tracks{padding:1.5rem;color:var(--audio-muted)}@media(max-width:760px){.audio-grid{grid-template-columns:minmax(0,1fr);gap:2rem}.audio-deck{position:static}.audio-tracks{max-height:620px}.audio-library-heading h2{font-size:1.2rem}}@media(max-width:380px){.audio-filters{grid-template-columns:1fr}.audio-volume{grid-template-columns:auto minmax(0,1fr) 3ch}.audio-volume label{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0)}.audio-transport{gap:.3rem}.audio-tracks button{padding:.8rem .35rem;grid-template-columns:1.6rem minmax(0,1fr) auto;gap:.35rem}}