:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--surface:#0f1418;--surface-raised:#ffffff0b;--line:#f7f0e31c;--line-strong:#f7f0e333;--ink:#f7f0e3;--ink-dim:#f7f0e3ad;--ink-faint:#f7f0e366;--accent:#e8b055;--accent-bright:#ffd692;--accent-soft:#e8b05529;--accent-line:#e8b05559;--warn:#e08a72;--white-key:#f6f2e9;--white-key-top:#fffdf7;--black-key:#1a2229;--black-key-top:#2e3d47;--gap:34px;--content-width:900px;color:var(--ink);background:var(--surface);font-family:Avenir Next,Avenir,Segoe UI,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}body{background:radial-gradient(120% 70% at 50% -10%, #e8b0551f, transparent 60%), var(--surface);min-width:320px;min-height:100vh;margin:0}button{font:inherit;color:inherit}h1,h2{font-weight:inherit}#root{min-height:100vh}.app{width:min(100%, var(--content-width));flex-direction:column;margin:0 auto;padding:40px 32px 72px;display:flex}.app-header{align-items:center;gap:16px;padding-bottom:20px;display:flex}.brand{letter-spacing:.02em;margin:0 auto 0 0;font-size:1.05rem;font-weight:600}.status-row{align-items:center;gap:16px;display:flex}.status-pill,.reference-pill,.supporting-copy,.eyebrow,.cents-readout{margin:0}.status-pill,.reference-pill{color:var(--ink-dim);white-space:nowrap;font-size:.85rem}.status-pill:before{content:"";background:var(--ink-faint);vertical-align:middle;border-radius:50%;width:7px;height:7px;margin-right:8px;display:inline-block}.status-pill-live:before{background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.status-pill-denied:before,.status-pill-unavailable:before,.status-pill-error:before{background:var(--warn)}.status-pill-denied,.status-pill-unavailable,.status-pill-error{color:var(--warn)}.section{padding:var(--gap) 0;border-top:1px solid var(--line)}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px;display:flex}.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:var(--ink-faint);font-size:.72rem;font-weight:600}.supporting-copy{color:var(--ink-dim);font-size:.88rem}.readout{padding:16px 0 var(--gap)}.note-readout{letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin:6px 0 22px;font-size:clamp(4.5rem,15vw,8.5rem);font-weight:500;line-height:.9}.note-readout-octave{color:var(--ink-faint);vertical-align:baseline;margin-left:.06em;font-size:.42em}.note-readout-empty{color:var(--ink-faint)}.cents-meter{opacity:.55;max-width:420px;transition:opacity .2s}.cents-meter[data-active=true]{opacity:1}.cents-meter-track{background:var(--line-strong);border-radius:999px;height:3px;margin-bottom:12px;position:relative}.cents-meter-center{background:var(--ink-faint);width:1px;height:13px;position:absolute;top:-5px;left:50%}.cents-meter-needle{background:var(--accent);border-radius:999px;width:3px;height:11px;margin-left:-1.5px;transition:left 90ms linear,background .2s;position:absolute;top:-4px}.cents-meter[data-in-tune=true] .cents-meter-needle{background:var(--accent-bright);box-shadow:0 0 12px var(--accent-line)}.cents-readout{color:var(--ink-dim);font-variant-numeric:tabular-nums;font-size:.95rem}.control-row{align-items:center;gap:12px;display:flex}.control-label{text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);font-size:.72rem;font-weight:600}.control-value{min-width:3.2ch;color:var(--ink-dim);font-variant-numeric:tabular-nums;font-size:.85rem}.control-slider{appearance:none;cursor:pointer;background:0 0;width:120px;height:20px;margin:0}.control-slider::-webkit-slider-runnable-track{background:var(--line-strong);border-radius:999px;height:2px}.control-slider::-moz-range-track{background:var(--line-strong);border-radius:999px;height:2px}.control-slider::-webkit-slider-thumb{appearance:none;background:var(--accent);border:0;border-radius:50%;width:13px;height:13px;margin-top:-5.5px}.control-slider::-moz-range-thumb{background:var(--accent);border:0;border-radius:50%;width:13px;height:13px}.control-slider:focus-visible{outline:2px solid var(--accent-line);outline-offset:4px}.mode-toggle{background:var(--surface-raised);border-radius:999px;gap:2px;padding:2px;display:flex}.mode-toggle-option{color:var(--ink-faint);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:6px 14px;font-size:.82rem;transition:color .15s,background .15s}.mode-toggle-option:hover{color:var(--ink-dim)}.mode-toggle-option[aria-pressed=true]{background:var(--accent-soft);color:var(--accent-bright)}.ghost-button{border:1px solid var(--line-strong);color:var(--ink-dim);cursor:pointer;background:0 0;border-radius:999px;padding:8px 15px;font-size:.85rem;transition:border-color .15s,color .15s}.ghost-button:hover{border-color:var(--accent-line);color:var(--accent-bright)}.keyboard{background:var(--black-key);border-radius:4px 4px 12px 12px;height:180px;position:relative;overflow:hidden}.keyboard[data-octave-count="3"]{height:156px}.keyboard[data-octave-count="4"]{height:136px}.keyboard-key{transition:background 90ms,box-shadow 90ms;position:absolute;top:0}.white-key{background:linear-gradient(180deg, var(--white-key-top) 0%, var(--white-key) 100%);color:#313a41;border-right:1px solid #0f141852;border-radius:0 0 6px 6px;justify-content:center;align-items:flex-end;padding-bottom:12px;font-size:.72rem;font-weight:600;display:flex;bottom:0}.white-key[data-active=true]{background:linear-gradient(180deg, #fff3d6 0%, var(--accent) 100%);box-shadow:inset 0 0 0 1px #784a0c40}.black-key{z-index:1;background:linear-gradient(180deg, var(--black-key-top) 0%, var(--black-key) 100%);border-radius:0 0 5px 5px;height:62%;box-shadow:0 6px 14px #00000073}.black-key[data-active=true]{background:linear-gradient(180deg, var(--accent-bright) 0%, #8a5a10 100%)}.keyboard-key-label{pointer-events:none}.trace-section{transition:opacity .18s}.trace-section[data-muted=true]{opacity:.6}.pitch-trace-graph{width:100%;height:auto;display:block}.pitch-trace-band{stroke:var(--line);stroke-width:1px}.pitch-trace-band-current{stroke:var(--accent-line)}.pitch-trace-label{fill:var(--ink-faint);text-anchor:end;font-size:11px}.pitch-trace-label-current{fill:var(--accent-bright)}.pitch-trace-line{fill:none;stroke:var(--accent);stroke-width:2.4px;stroke-linecap:round;stroke-linejoin:round}.pitch-trace-line-muted{stroke:#e8b05557}.trace-section .supporting-copy{margin-top:14px}.staff-notation-shell{justify-items:start;gap:14px;display:grid}.staff-notation{width:100%;max-width:340px;color:var(--ink)}.staff-clef path,.staff-clef circle{vector-effect:non-scaling-stroke}.staff-accidental{fill:currentColor;font-family:inherit;font-size:18px}.staff-notehead{fill:var(--accent)}.staff-placeholder{fill:var(--ink-faint);font-family:inherit;font-size:14px}.spectrum-section{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}.spectrum-section .eyebrow{margin-bottom:6px}.spectrum-note-list{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.spectrum-note-pill,.spectrum-empty{border-radius:999px;padding:6px 12px;font-size:.85rem}.spectrum-note-pill{background:var(--accent-soft);color:var(--accent-bright);font-weight:600}.spectrum-empty{color:var(--ink-faint)}.settings-shell{position:relative}.settings-popover{z-index:2;border:1px solid var(--line-strong);background:#131a20;border-radius:14px;gap:10px;width:230px;padding:16px;display:grid;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 22px 44px #00000073}.settings-field{gap:8px;display:grid}.settings-input{border:1px solid var(--line-strong);background:var(--surface-raised);width:100%;color:inherit;border-radius:9px;padding:9px 12px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=760px){:root{--gap:26px}.app{padding:24px 18px 56px}.app-header{flex-wrap:wrap}.brand{width:100%}.section-head,.spectrum-section{flex-direction:column;align-items:flex-start}.control-row{flex-wrap:wrap}.keyboard{height:140px}.keyboard[data-octave-count="3"],.keyboard[data-octave-count="4"]{height:116px}.white-key{padding-bottom:8px;font-size:.62rem}.pitch-trace-label{font-size:16px}.pitch-trace-line{stroke-width:3.6px}.spectrum-note-list{justify-content:flex-start}.settings-popover{left:0;right:auto}}