:root{--app-bg: #14110d;--app-surface: #1e1912;--app-surface-2: #282115;--app-border: #3d331f;--app-text: #f2e9d8;--app-text-2: #ab9d84;--app-accent: #d1a054;--app-accent-ink: #241a08;--app-accent-2: #93a873;--app-accent-2-ink: #16210c;--app-danger: #c96a5c;--app-ok: #93a873;--bevel-raised: inset 0 1px 0 rgba(255, 255, 255, .05), inset 0 -2px 0 rgba(0, 0, 0, .35);--bevel-pressed: inset 0 2px 3px rgba(0, 0, 0, .45);--rivet: rgba(0, 0, 0, .4);--radius-panel: 10px;--radius-control: 5px;--rail-w: 96px;--content-w: 900px}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}body{background:var(--app-bg);color:var(--app-text);font-family:-apple-system,Segoe UI,SF Pro Text,system-ui,sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}button{font-family:inherit;color:inherit;cursor:pointer}button:disabled{cursor:not-allowed}a{color:inherit}input,select{font-family:inherit;color:var(--app-text)}.display{font-family:-apple-system,Segoe UI,SF Pro Display,system-ui,sans-serif;font-weight:800;letter-spacing:-.02em}.mono{font-family:ui-monospace,SF Mono,Cascadia Mono,Consolas,monospace;font-variant-numeric:tabular-nums}.led-readout{font-family:ui-monospace,SF Mono,Cascadia Mono,Consolas,monospace;font-variant-numeric:tabular-nums;font-weight:700;color:var(--app-accent);text-shadow:0 0 10px color-mix(in srgb,var(--app-accent) 55%,transparent)}.app-shell{display:grid;grid-template-columns:var(--rail-w) 1fr;height:100vh;background:var(--app-bg)}.app-main{overflow-y:auto;min-width:0}.sidebar{display:flex;flex-direction:column;padding:14px 10px;gap:14px;border-right:1px solid var(--app-border);background:linear-gradient(180deg,var(--app-surface),color-mix(in srgb,var(--app-surface) 92%,black));overflow-y:auto}.sidebar-brand{display:flex;flex-direction:column;align-items:center;gap:6px;padding:4px 0 10px}.sidebar-mark{width:34px;height:34px;flex:none;border-radius:var(--radius-control);background:var(--app-accent);color:var(--app-accent-ink);display:flex;align-items:center;justify-content:center;font-weight:800;box-shadow:var(--bevel-raised)}.sidebar-brand .display{font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--app-text-2)}.sidebar-nav{display:flex;flex-direction:column;gap:14px}.sidebar-section .section-label{justify-content:center;margin-bottom:6px;opacity:.7}.sidebar-section .section-label:before{display:none}.sidebar-section{padding-bottom:10px;border-bottom:1px solid var(--app-border)}.sidebar-section:last-child{border-bottom:none;padding-bottom:0}.sidebar-link{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:9px 4px;margin-bottom:4px;border-radius:var(--radius-control);background:var(--app-surface-2);box-shadow:var(--bevel-raised);color:var(--app-text-2);text-decoration:none;min-height:56px}.sidebar-link:hover{color:var(--app-text)}.sidebar-link.is-active{background:color-mix(in srgb,var(--app-accent) 16%,var(--app-surface-2));color:var(--app-accent);box-shadow:var(--bevel-pressed)}.sidebar-link.is-active:before{content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:2px;background:var(--app-accent);box-shadow:0 0 8px var(--app-accent)}.sidebar-link .glyph{font-size:17px;line-height:1}.sidebar-link-label{font-size:8.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;text-align:center;line-height:1.2}.sidebar-count{position:absolute;top:4px;right:4px;font-size:9px;font-weight:700;min-width:15px;padding:1px 4px;border-radius:999px;background:var(--app-surface);color:var(--app-text-2)}.sidebar-link.is-active .sidebar-count{background:var(--app-accent);color:var(--app-accent-ink)}.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:6px}.sidebar-status{display:flex;flex-direction:column;align-items:center;gap:5px;padding:8px 4px;border:none;border-radius:var(--radius-control);background:var(--app-surface-2);box-shadow:var(--bevel-raised);color:var(--app-text-2);font-size:8px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;text-align:center;line-height:1.25}.sidebar-status:hover{color:var(--app-text)}.status-dot{width:8px;height:8px;flex:none;border-radius:50%;box-shadow:0 0 6px currentColor}.sidebar-warning{font-size:8.5px;line-height:1.4;color:var(--app-text-2);padding:6px;border-radius:var(--radius-control);background:var(--app-surface-2);text-align:center}.app-screen{display:flex;flex-direction:column;min-height:100%;max-width:var(--content-w);padding:34px 40px 44px;color:var(--app-text);font-size:14px}.app-screen.is-wide{max-width:1500px}.screen-header{display:flex;align-items:flex-end;gap:16px;margin-bottom:22px;padding-bottom:16px;border-bottom:1px solid var(--app-border)}.screen-header-text{flex:1;min-width:0}.screen-header-title-row{display:flex;align-items:center;gap:10px}.screen-header h1{font-size:23px;font-weight:800}.screen-header-sub{margin-top:5px;font-size:12.5px;color:var(--app-text-2);line-height:1.5;max-width:78ch}.screen-header-actions{display:flex;align-items:center;gap:8px;flex:none}.badge{font-size:9px;font-weight:700;padding:3px 7px;border-radius:3px;background:var(--app-surface-2);color:var(--app-text-2);letter-spacing:.06em;text-transform:uppercase;flex:none}.badge.live{background:var(--app-accent-2);color:var(--app-accent-2-ink)}.badge.beta{background:var(--app-accent);color:var(--app-accent-ink)}.home-avatar{width:34px;height:34px;border-radius:50%;background:var(--app-surface-2);display:flex;align-items:center;justify-content:center;flex:none}.section-label{font-size:10px;font-weight:700;letter-spacing:.13em;color:var(--app-text-2);text-transform:uppercase;margin-bottom:9px;display:flex;align-items:center;gap:6px}.section-label:before{content:"";width:8px;height:1.5px;background:var(--app-border);flex:none}.chip-row{display:flex;gap:6px;flex-wrap:wrap}.chip{-webkit-appearance:none;-moz-appearance:none;appearance:none;position:relative;border:none;background:var(--app-surface);box-shadow:var(--bevel-raised);color:var(--app-text-2);font-size:11.5px;font-weight:700;letter-spacing:.01em;padding:9px 13px 9px 22px;border-radius:var(--radius-control)}.chip:before{content:"";position:absolute;left:9px;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:var(--app-border)}.chip.is-active{background:color-mix(in srgb,var(--app-accent) 15%,var(--app-surface));box-shadow:var(--bevel-pressed);color:var(--app-text)}.chip.is-active:before{background:var(--app-accent);box-shadow:0 0 6px var(--app-accent)}.chip:hover:not(.is-active){color:var(--app-text)}.chip:active{transform:scale(.97)}.cta{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;width:100%;background:var(--app-accent);box-shadow:var(--bevel-raised);color:var(--app-accent-ink);font-size:13.5px;font-weight:800;letter-spacing:.03em;text-transform:uppercase;padding:15px;border-radius:var(--radius-control);display:flex;align-items:center;justify-content:center;gap:8px}.cta:hover:not(:disabled){filter:brightness(1.08)}.cta:active{box-shadow:var(--bevel-pressed);transform:scale(.99)}.cta:disabled{opacity:.55}.cta.is-loading{opacity:.7;pointer-events:none}.cta.is-live-playing{background:var(--app-accent-2);color:var(--app-accent-2-ink)}.live-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:36px;flex:1;padding-bottom:84px}.live-col-controls-inner{position:sticky;top:0;max-height:100vh;overflow-y:auto;padding-right:4px}.live-col-perform{min-width:0}@media (max-width: 1099px){.live-layout{grid-template-columns:1fr;padding-bottom:96px}.live-col-controls-inner{position:static;max-height:none;overflow-y:visible;padding-right:0}}.live-pad-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(72px,1fr));gap:8px;margin-bottom:10px}.live-pad{-webkit-appearance:none;-moz-appearance:none;appearance:none;position:relative;border:none;background:var(--app-surface);box-shadow:var(--bevel-raised);border-radius:var(--radius-control);padding:18px 8px 22px;display:flex;flex-direction:column;align-items:center;gap:3px}.live-pad:hover{filter:brightness(1.1)}.live-pad-key{position:absolute;bottom:6px;left:50%;transform:translate(-50%);font-family:ui-monospace,SF Mono,Consolas,monospace;font-size:9px;color:var(--app-text-2);opacity:.7}.live-pad.is-active .live-pad-key{color:var(--app-accent-ink);opacity:.75}kbd{font-family:ui-monospace,SF Mono,Consolas,monospace;font-size:.9em;background:var(--app-surface-2);border:1px solid var(--app-border);border-radius:5px;padding:1px 5px;color:var(--app-text)}.transport{position:sticky;bottom:0;margin:0 -40px -44px;padding:14px 40px;display:flex;align-items:center;gap:20px;background:color-mix(in srgb,var(--app-surface) 96%,transparent);border-top:1px solid var(--app-border);box-shadow:inset 0 1px #ffffff0a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.transport-play{width:48px;height:48px;flex:none;border:none;border-radius:var(--radius-control);background:var(--app-accent);box-shadow:var(--bevel-raised);color:var(--app-accent-ink);font-size:15px;display:flex;align-items:center;justify-content:center}.transport-play:active{box-shadow:var(--bevel-pressed)}.transport-play.is-on{background:var(--app-accent-2);color:var(--app-accent-2-ink)}.transport-readout{display:flex;align-items:baseline;gap:12px;color:var(--app-text-2);font-size:11.5px}.transport-chord{font-size:22px;min-width:3ch}.transport-hint{margin-left:auto;font-size:11.5px;color:var(--app-text-2)}.live-pad-chord{font-size:16px;font-weight:800;color:var(--app-text)}.live-pad-roman{font-size:10px;color:var(--app-text-2);letter-spacing:.03em}.live-pad.is-active{background:var(--app-accent);box-shadow:var(--bevel-pressed)}.live-pad.is-active .live-pad-chord,.live-pad.is-active .live-pad-roman{color:var(--app-accent-ink)}.live-pad:active{box-shadow:var(--bevel-pressed)}.beat-dots{display:flex;justify-content:center;gap:8px;margin-bottom:4px}.beat-dot{width:18px;height:5px;border-radius:2px;background:var(--app-surface-2);box-shadow:var(--bevel-pressed);transition:background .08s ease,box-shadow .08s ease}.beat-dot.is-on{background:var(--app-accent-2);box-shadow:0 0 6px var(--app-accent-2)}.cta-secondary{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--app-border);width:100%;background:transparent;color:var(--app-text);font-size:12.5px;font-weight:700;letter-spacing:.02em;padding:11px;border-radius:var(--radius-control)}.cta-secondary:hover:not(:disabled){border-color:var(--app-accent)}.cta-secondary:disabled{color:var(--app-text-2);opacity:.55;cursor:not-allowed}.cta-secondary.is-live-playing{border-color:var(--app-accent-2);color:var(--app-accent-2)}.spacer{flex:1}.error-banner{background:color-mix(in srgb,var(--app-danger) 16%,transparent);border:1px solid var(--app-danger);color:var(--app-text);border-radius:var(--radius-control);padding:10px 12px;font-size:12.5px;margin-bottom:16px;line-height:1.5}.preset-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:4px}.preset-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px;background:var(--app-surface);box-shadow:var(--bevel-raised),inset 3px 0 0 var(--app-accent);border-radius:var(--radius-panel);padding:14px;text-align:left}.preset-card:hover{filter:brightness(1.08)}.preset-card:active{box-shadow:var(--bevel-pressed),inset 3px 0 0 var(--app-accent)}.preset-card h3{font-size:14px;font-weight:750}.preset-card p{font-size:11.5px;color:var(--app-text-2);line-height:1.4;margin:0}.mode-card{display:flex;gap:13px;align-items:center;background:var(--app-surface);box-shadow:var(--bevel-raised);border-radius:var(--radius-panel);padding:14px;text-align:left;width:100%}.mode-card.is-live{background:color-mix(in srgb,var(--app-accent) 10%,var(--app-surface-2))}.mode-card:hover{filter:brightness(1.08)}.mode-card:active{box-shadow:var(--bevel-pressed)}.mode-icon{width:44px;height:44px;border-radius:var(--radius-control);flex:none;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;box-shadow:var(--bevel-raised)}.mode-body{min-width:0;flex:1}.mode-body .row{display:flex;align-items:center;gap:8px;justify-content:space-between;margin-bottom:3px}.mode-body h3{font-size:14.5px;font-weight:700;color:var(--app-text)}.mode-body p{font-size:12px;color:var(--app-text-2);line-height:1.4;margin:0}.library-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:18px}.search-input{flex:1;min-width:220px;background:var(--app-surface);box-shadow:var(--bevel-pressed);border:none;border-radius:var(--radius-control);padding:9px 12px;font-size:13px}.search-input:focus-visible{outline:none;box-shadow:var(--bevel-pressed),0 0 0 2px var(--app-accent)}.select-input{background:var(--app-surface);box-shadow:var(--bevel-raised);border:none;border-radius:var(--radius-control);padding:9px 10px;font-size:12.5px;font-weight:650}.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:14px;align-items:start}.library-card{background:var(--app-surface);box-shadow:var(--bevel-raised);border-radius:var(--radius-panel);padding:15px;display:flex;flex-direction:column;gap:11px}.library-card.is-favorite{box-shadow:var(--bevel-raised),inset 3px 0 0 var(--app-accent)}.library-card-top{display:flex;align-items:flex-start;gap:8px}.library-card-title{flex:1;min-width:0;font-size:14.5px;font-weight:750;line-height:1.35;word-break:break-word}.title-input{flex:1;min-width:0;background:var(--app-surface-2);border:1px solid var(--app-accent);border-radius:var(--radius-control);padding:6px 9px;font-size:14px;font-weight:700}.star-btn{flex:none;width:30px;height:30px;border:none;border-radius:var(--radius-control);background:transparent;color:var(--app-text-2);font-size:15px;line-height:1}.star-btn:hover{background:var(--app-surface-2)}.star-btn.is-on{color:var(--app-accent)}.library-card-meta{font-size:10.5px;color:var(--app-text-2)}.library-actions{display:flex;gap:6px;flex-wrap:wrap}.mini-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--app-border);background:transparent;color:var(--app-text-2);font-size:11.5px;font-weight:650;padding:7px 10px;border-radius:var(--radius-control);text-decoration:none;display:inline-flex;align-items:center;gap:5px}.mini-btn:hover:not(:disabled){border-color:var(--app-accent);color:var(--app-text)}.mini-btn:disabled{opacity:.45;cursor:not-allowed}.mini-btn.is-primary{border-color:var(--app-accent);color:var(--app-accent)}.mini-btn.is-danger:hover{border-color:var(--app-danger);color:var(--app-danger)}.empty-state{border:1.5px dashed var(--app-border);border-radius:var(--radius-panel);padding:44px 28px;text-align:center;color:var(--app-text-2);font-size:13px;line-height:1.6;display:flex;flex-direction:column;align-items:center;gap:12px}.tabs-2{display:flex;gap:8px;margin-bottom:18px}.tab-2{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:var(--app-surface);color:var(--app-text-2);font-size:12.5px;font-weight:700;padding:10px;border-radius:12px}.tab-2.is-active{background:var(--app-accent);color:var(--app-accent-ink)}.chord-list{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}.chord-row{display:flex;align-items:center;gap:10px;background:var(--app-surface);border-radius:12px;padding:9px 11px}.chord-chip{width:38px;height:30px;border-radius:8px;flex:none;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12.5px}.chord-row .dur{font-size:12px;color:var(--app-text-2);flex:1}.chord-row .rm{background:none;border:none;color:var(--app-text-2);font-size:16px;font-weight:700;padding:4px 8px}.chord-row select{background:var(--app-surface-2);border:none;border-radius:8px;padding:6px 8px;font-size:12.5px}.add-chord-btn{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;color:var(--app-text-2);border:1.5px dashed var(--app-border);border-radius:12px;padding:10px;font-size:12.5px;font-weight:650;margin-bottom:18px}.field-block{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--app-border)}.field-block:last-child{border-bottom:none}.tempo-row{display:flex;align-items:center;justify-content:space-between;background:var(--app-surface);box-shadow:var(--bevel-raised);border-radius:var(--radius-control);padding:6px}.tempo-row .step{width:34px;height:34px;flex:none;border-radius:var(--radius-control);border:none;background:var(--app-surface-2);box-shadow:var(--bevel-raised);color:var(--app-text);font-weight:700;font-size:16px}.tempo-row .step:active{box-shadow:var(--bevel-pressed)}.tempo-row .bpm{font-size:15px}.player-card{background:var(--app-surface);box-shadow:var(--bevel-raised);border-radius:var(--radius-panel);padding:16px;margin-bottom:16px}.player-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}.play-btn{width:46px;height:46px;border-radius:50%;flex:none;border:none;background:var(--app-accent);color:var(--app-accent-ink);display:flex;align-items:center;justify-content:center;font-size:15px}.play-btn:disabled{opacity:.5}.waveform{flex:1;display:flex;align-items:center;gap:2px;height:44px;overflow:hidden}.waveform.is-seekable{cursor:pointer}.waveform.is-placeholder span{opacity:.45}.waveform span{display:block;flex:1;min-width:2px;max-width:5px;border-radius:2px;background:var(--app-border);transition:background .1s linear}.waveform span.played{background:var(--app-accent)}.time-row{display:flex;justify-content:space-between;font-size:10.5px;color:var(--app-text-2);margin-bottom:14px}.summary-row{display:flex;gap:6px;flex-wrap:wrap}.summary-chip{font-size:10.5px;font-weight:650;color:var(--app-text-2);background:var(--app-surface-2);padding:5px 9px;border-radius:3px}.chord-timeline{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:18px}.chord-timeline .t-chip{flex:none;width:46px;height:46px;border-radius:var(--radius-control);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;color:var(--app-text-2);background:var(--app-surface);border:1.5px solid transparent}.chord-timeline .t-chip.is-current{background:var(--app-accent);color:var(--app-accent-ink);border-color:var(--app-accent)}.drum-grid{display:flex;flex-direction:column;gap:8px;margin-top:10px}.drum-grid-row{display:flex;align-items:center;gap:8px}.drum-grid-label{width:44px;flex:none;font-size:10.5px;font-weight:700;color:var(--app-text-2);text-transform:uppercase;letter-spacing:.4px}.drum-grid-steps{display:flex;gap:5px;flex:1}.drum-step{flex:1;height:28px;border-radius:3px;border:none;background:var(--app-bg);box-shadow:var(--bevel-pressed);padding:0}.drum-step.is-beat{box-shadow:var(--bevel-pressed),inset 2px 0 0 var(--app-border)}.drum-step.is-on{background:var(--app-accent);box-shadow:0 0 8px color-mix(in srgb,var(--app-accent) 70%,transparent)}.song-list{display:flex;flex-direction:column;gap:10px}.song-card{background:var(--app-surface);box-shadow:var(--bevel-raised);border-radius:var(--radius-panel);padding:10px 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4px;transform:translate(-50%);z-index:2}.piano-black.is-root:after{content:"";position:absolute;bottom:7px;left:50%;transform:translate(-50%);width:6px;height:6px;border-radius:50%;background:var(--app-accent)}code{font-family:ui-monospace,SF Mono,Consolas,monospace;background:var(--app-surface-2);padding:1px 5px;border-radius:4px;color:var(--app-text);font-size:.92em}.record-stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center}.record-btn{width:84px;height:84px;border-radius:50%;border:none;background:var(--app-accent);color:var(--app-accent-ink);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;position:relative}.record-btn:before,.record-btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:1.5px solid var(--app-accent);opacity:0}.record-btn.is-listening:before{animation:ring 1.6s ease-out infinite}.record-btn.is-listening:after{animation:ring 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p{margin-top:7px;font-size:11.5px;line-height:1.55;color:var(--app-text-2);white-space:pre-line}.library-notice{font-size:12px;color:var(--app-accent-2);background:color-mix(in srgb,var(--app-accent-2) 12%,transparent);border:1px solid var(--app-accent-2);border-radius:10px;padding:9px 12px;margin-bottom:14px}.section-strip{display:flex;gap:2px;height:26px;border-radius:7px;overflow:hidden}.section-slice{display:flex;align-items:center;justify-content:center;min-width:0;padding:0 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