.viewer-shell[data-audio-only="true"]{height:240px;min-height:240px}
.viewer-shell[data-audio-only="true"] #viewer-canvas{visibility:hidden}
.sample-buttons{display:grid;gap:8px;margin-top:12px}
.sample-buttons button{padding:9px 5px;font-size:12px}
.instrument-tabs button[data-instrument="bac-phu"]{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;line-height:1.2}
.instrument-tabs button[data-instrument="bac-phu"] small{display:block;font-size:8px;font-weight:400;line-height:1.2;opacity:.65}
.play-controls[hidden]{display:none}