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i:nth-child(2){animation-delay:-480ms}.band-meter.is-active i:nth-child(3){animation-delay:-260ms}.band-meter.is-active i:nth-child(4){animation-delay:-590ms}}@keyframes band-meter{to{background:var(--accent);height:16px}}.band-mixer{gap:5px;display:flex}.band-mixer button{border:1px solid var(--line);background:var(--surface);min-height:40px;color:var(--muted);cursor:pointer;border-radius:9px;align-items:center;gap:6px;padding:0 10px;font-size:.67rem;font-weight:720;display:inline-flex}.band-mixer button svg{width:14px;height:14px}.band-mixer button.is-on{border-color:color-mix(in srgb, var(--accent) 64%, var(--line));color:var(--ink)}.band-error{border:1px solid color-mix(in srgb, var(--playing-note) 44%, var(--line));color:var(--playing-note);border-radius:10px;margin:0;padding:10px 12px;font-size:.78rem}.score-key{color:var(--muted);justify-content:space-between;align-items:center;gap:18px;padding:0 4px;font-size:.68rem;display:flex}.score-key span:first-child{align-items:center;gap:10px;display:flex}.score-key strong{color:var(--ink);font-size:.76rem}.score-viewport{border:1px solid var(--line);background:var(--surface-raised);min-width:0;box-shadow:var(--shadow);scrollbar-color:var(--line-strong) transparent;scrollbar-width:thin;overscroll-behavior-x:contain;border-radius:16px;overflow-x:auto}.score-canvas{isolation:isolate;position:relative;overflow:hidden}.score-playhead{z-index:5;pointer-events:none;background:color-mix(in srgb, var(--playing-note) 88%, transparent);opacity:0;will-change:transform;width:2px;position:absolute;top:0;bottom:0}.score-playhead:before{content:"";background:var(--playing-note);border-radius:0 0 5px 5px;width:10px;height:6px;position:absolute;top:0;left:-4px}.score-playhead.is-playing{opacity:1}.score-lane{z-index:1;border-bottom:1px solid var(--line);grid-template-columns:116px 1fr;display:grid;position:relative}.score-lane__label{z-index:3;border-right:1px solid var(--line);background:var(--surface-raised);min-width:0;color:var(--muted-strong);align-items:center;gap:8px;padding:12px;font-size:.65rem;font-weight:740;display:flex;position:sticky;left:0}.score-lane__label svg{width:18px;height:18px;color:var(--accent-text)}.score-lane__label--stacked{flex-direction:column;place-content:center;align-items:flex-start;gap:5px}.score-lane__label--stacked strong{color:var(--ink);font-size:.82rem}.bass-clef{color:var(--ink);font-family:Times New Roman,serif;font-size:2rem;line-height:.7}.score-lane--chords{min-height:112px}.chord-score{min-width:0;display:grid}.chord-measure{border:0;border-right:1px solid var(--line);min-width:0;color:var(--ink);text-align:left;cursor:pointer;background:0 0;grid-template-columns:minmax(0,1fr) 62px;align-items:center;gap:14px;padding:14px 16px 25px;transition:background-color .16s;display:grid;position:relative;overflow:hidden}.chord-measure:last-child{border-right:0}.chord-measure.is-current{background:color-mix(in 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.15s,border-color .15s;display:grid}.tab-note__mark{color:var(--accent-text);font-size:.62rem;font-weight:820;position:absolute;top:-2px;left:2px}.tab-note.is-current strong{border-color:var(--playing-note);background:var(--playing-note);color:var(--playing-note-ink);transform:scale(1.2)}.tab-note.is-selected:not(.is-current) strong{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 19%, transparent)}.score-lane--drums{border-bottom:0;min-height:118px}.drum-score{grid-template-rows:repeat(3,1fr);min-height:118px;padding:8px 0;display:grid}.drum-row{align-items:center;min-width:0;display:grid;position:relative}.drum-row>span{z-index:1;background:var(--surface-raised);color:var(--muted);border-radius:4px;padding:2px 4px;font-size:.54rem;font-weight:720;position:absolute;left:6px}.drum-row>div{grid-template-columns:repeat(16,1fr);align-items:center;height:100%;display:grid}.drum-row i{border:1px solid 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var(--line);background:var(--surface);min-height:40px;color:var(--ink);white-space:nowrap;cursor:pointer;border-radius:9px;align-items:center;gap:7px;padding:0 12px;font-size:.67rem;font-weight:720;display:inline-flex}.reset-line svg{width:15px;height:15px}.note-editor__options{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:14px;display:grid}.note-editor fieldset{border:0;gap:8px;min-width:0;margin:0;padding:0;display:grid}.option-scroll{scroll-snap-type:x proximity;scrollbar-width:none;gap:5px;display:flex;overflow-x:auto}.option-scroll::-webkit-scrollbar{display:none}.option-scroll button{border:1px solid var(--line);background:var(--surface);min-width:max-content;min-height:42px;color:var(--muted-strong);cursor:pointer;scroll-snap-align:start;border-radius:9px;align-items:center;gap:6px;padding:0 12px;font-size:.68rem;display:inline-flex}.option-scroll button>span{min-width:14px;color:var(--accent-text);font-weight:820}.option-scroll 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h2{color:var(--ink);letter-spacing:-.025em;margin:0;font-size:clamp(1.05rem,1.7vw,1.35rem);font-weight:820}.scale-dna__intro p{max-width:680px;color:var(--muted);margin:5px 0 0;font-size:.76rem;line-height:1.45}.scale-dna__legend{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px 14px;display:flex}.scale-dna__legend span{color:var(--muted-strong);white-space:nowrap;align-items:center;gap:6px;font-size:.68rem;font-weight:700;display:inline-flex}.scale-dna__swatch{background:var(--line-strong);border-radius:2px;width:8px;height:8px}.scale-dna__swatch--shared{background:var(--accent);box-shadow:0 0 12px color-mix(in srgb, var(--accent) 50%, transparent)}.scale-dna__swatch--primary{background:var(--ink-soft)}.scale-dna__swatch--comparison{background:var(--dna-comparison)}.scale-dna__viewport{border:1px solid var(--line);background:color-mix(in srgb, var(--surface-deep) 72%, var(--page));scrollbar-color:var(--line-strong) transparent;scrollbar-width:thin;scroll-snap-type:x 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