.mu-row{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:end;margin:10px 0}
.mu-field{display:flex;flex-direction:column;gap:3px;font-size:.88rem;color:var(--muted);min-width:0}
.mu-field>span{font-weight:600}
.mu-field select,.mu-field input[type=text],.mu-num{font:inherit;font-size:1rem;color:var(--ink);background:var(--surface);border:1px solid var(--line-2);border-radius:10px;padding:8px 10px;min-height:44px;max-width:100%}
.mu-row input.mu-num{width:5.5em;flex:none}
.mu-tempo{flex-wrap:nowrap}
.mu-tempo .mu-grow{flex:1 1 auto}
@media (max-width:420px){.mu-tempo{flex-wrap:wrap}}
.mu-wide{flex:1 1 100%}.mu-wide input{width:100%}
.mu-grow{flex:1 1 180px}
.mu-field input[type=range]{width:100%;min-height:32px;accent-color:var(--brand)}
.mu-vol{flex:0 1 150px}
.mu-check{display:inline-flex;gap:8px;align-items:center;min-height:44px;font-size:.95rem;cursor:pointer}
.mu-check input{width:20px;height:20px;accent-color:var(--brand);flex:none}
.mu-help,.mu-small,.mu-hint{font-size:.85rem;color:var(--muted);margin:2px 0}
.mu-msg{font-size:.92rem;color:var(--coral);margin:6px 0;min-height:1em}
.mu-msg:empty{display:none}
.mu-warn{color:var(--ink);background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:8px;padding:4px 8px}
.mu-play{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:12px 0}
.mu-go{min-width:120px;font-size:1.1rem;min-height:52px}
.playing .mu-go{background:var(--ink);border-color:var(--ink);color:var(--surface)}
.mu-dots{display:flex;gap:8px}
.mu-dots span{width:26px;height:26px;border-radius:50%;background:var(--surface-2);border:2px solid var(--line-2);transition:background .05s}
.mu-dots span.on{background:var(--brand);border-color:var(--brand)}
.mu-dots span.one{background:var(--accent);border-color:var(--accent)}
.mu-count{font-weight:700;font-size:1.2rem;min-height:1.5em;margin:4px 0}
.mu-jamtoggle{font-weight:650}
.mu-jam{border-top:1px solid var(--line);padding-top:6px;margin-top:6px}
.mu-chords{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;align-items:baseline;margin:12px 0}
.mu-cap{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.mu-chord-now{font:800 clamp(2.6rem,10vw,5rem)/1.05 var(--head);color:var(--brand)}
.mu-chord-next{font:700 clamp(1.4rem,5vw,2.2rem)/1.1 var(--head);color:var(--muted)}
.mu-strip{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:8px 0}
.mu-strip li{padding:4px 10px;border:1px solid var(--line-2);border-radius:8px;font-weight:650;min-width:2.6em;text-align:center}
.mu-strip li.on{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
[data-music=piano]{--mu-bg:#12211e;--mu-r:#2fbf9f;--mu-l:#f08a3c;--mu-line:#f4b63f;--mu-bar-text:#08201b;--mu-barline:rgba(255,255,255,.14)}
.sr-file{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}
.sr-file:focus-visible+label{outline:3px solid var(--brand);outline-offset:2px}
.mu-info{margin:8px 0}.mu-info p{margin:2px 0}
.mu-title{font-size:1.05rem}
.mu-tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin:10px 0 4px;flex-wrap:wrap}
.mu-tab{font:inherit;font-weight:650;background:none;border:0;border-bottom:3px solid transparent;padding:10px 12px;min-height:44px;color:var(--muted);cursor:pointer}
.mu-tab[aria-selected=true]{color:var(--brand);border-bottom-color:var(--brand)}
.mu-tr .mu-trbtns{display:flex;gap:6px;align-items:center}
.mu-tr output{min-width:2em;text-align:center;font-weight:700;color:var(--ink)}
.mu-wait-msg{font-weight:700;font-size:1.15rem;min-height:1.5em;margin:6px 0;color:var(--ink)}
.mu-stage{position:relative;width:100%}
.mu-canvas{display:block;width:100%;border-radius:12px;touch-action:none;user-select:none;-webkit-user-select:none}
.mu-read{max-height:62vh;overflow:auto;border:1px solid var(--line);border-radius:12px;padding:10px;background:var(--surface)}
.mu-bars{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.mu-bar{border-left:2px solid var(--line-2);padding:2px 6px 6px}
.mu-barno{font-size:.72rem;color:var(--muted)}
.mu-line{display:flex;gap:4px;margin:4px 0;min-height:2.2em}
.mu-line.mu-L .mu-n{border-color:var(--mu-l,#f08a3c)}
.mu-chip{display:flex;flex-direction:column;gap:2px;flex-basis:0;min-width:2.1em;border-radius:8px;transition:background .08s}
.mu-n{display:block;text-align:center;font-weight:700;font-size:1.05rem;padding:4px 2px;border:2px solid var(--line-2);border-radius:8px;background:var(--surface);color:var(--ink);letter-spacing:.02em}
.mu-gap{flex-basis:0}
.mu-restbar{font-size:.8rem;color:var(--muted);text-align:center;align-self:center}
.mu-colour .mu-n{color:#111;border-color:rgba(0,0,0,.25);text-shadow:0 0 2px rgba(255,255,255,.7)}
.mu-chip.now .mu-n{outline:3px solid var(--accent);outline-offset:1px}
.mu-chip.now{background:var(--accent-soft)}
.mu-rhythm .mu-chip{align-items:center;padding:4px 0;border:2px solid var(--line-2)}
.mu-rhythm .mu-rest{border-style:dashed;color:var(--muted)}
.mu-word{font-weight:800;font-size:1.05rem}
.mu-cnt{font-size:.8rem;color:var(--muted)}
.mu-large{font-size:1.35rem;letter-spacing:.05em;word-spacing:.16em;line-height:1.8}
.mu-large .mu-bars{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.mu-large .mu-n,.mu-large .mu-word{font-size:1.9rem;padding:8px 4px}
.mu-large .mu-chip{min-width:2.8em}
.mu-keyline{margin:0 0 6px}
.mu-more{margin:6px 0;border:1px solid var(--line);border-radius:10px;padding:2px 12px}
.mu-more summary{cursor:pointer;font-weight:650;min-height:44px;display:flex;align-items:center}
.mu-more[open]{padding-bottom:8px}
@media (max-width:520px){.mu-bars{grid-template-columns:1fr}.mu-go{flex:1 1 100%}.mu-vol{flex:1 1 100%}}
@media print{.mu-play,.mu-open,.mu-tabs,.mu-canvas{display:none}.mu-read{max-height:none;overflow:visible;border:0}}