:root{color-scheme:light;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#d8d5ce;color:#20201e;--line: #c5c0b6;--line-dark: #8b8578;--paper: #fffdfa;--panel: #eeece6;--panel-strong: #e5e1d8;--ink: #20201e;--muted: #6f695e;--accent: #325f73;--accent-soft: #e2edf1;--danger: #8a3b2f;--panel-subtle: #f7f5ef;--panel-light: #fbfaf6;--panel-overlay: #e7e3da;--border-main: #c9c3b8;--border-inner: #d0cabf;--border-subtle: #ddd7cb;--accent-hover: #244d5e;--surface-base: #f8f6f0;--topbar-bg: #ebe8df;--success-bg: #dcebd9;--success-ink: #285431;--modal-border: #a9a194;--preview-toolbar-bg: #d2cec5;--preview-toolbar-ink: #575147;--sheet-rule: #1f1f1c;--sheet-muted: #48443c;--sheet-box-border: #333;--sheet-light-border: #777;--diagram-ink: #272723;--section-rule: #d8d1c3;--control-border: #b8afa2;--chord-ink: #10100e;--print-break: #777;--editable-ink: #36322d;--accent-ink: #173f50;--field-ink: #3f3a33;--diagram-button-border: #c8c0b3;--success: 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var(--accent);background:var(--accent-soft)}.lyric-text{white-space:pre-wrap}.editable-text{min-width:1ch;outline:none;border-radius:2px}.editable-text:empty:before{content:attr(data-placeholder);color:var(--muted);pointer-events:none;font-style:italic}.editable-text:hover{background:oklch(from var(--accent-soft) l c h / .45)}.editable-text:focus{background:var(--paper);box-shadow:0 0 0 1px var(--accent)}.page-break-before{break-before:page;border-top:1px dashed var(--print-break);padding-top:8px}.page-break-after{break-after:page}.control-group{padding:12px;border-bottom:1px solid var(--border-inner)}.control-group>label,.selected-card>label{display:block;margin-bottom:8px;color:var(--editable-ink);font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.02em}.input-label{margin:10px 0 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.piano-diagram{background:transparent!important;border:none!important;box-shadow:none!important}.perf-chroma-visualizer{display:flex;align-items:flex-end;gap:3px;height:24px;background:#0f172a99;border-radius:6px;padding:3px 6px;border:1px solid rgba(255,255,255,.05)}:root[data-theme=light] .perf-chroma-visualizer{background:#f1f5f9cc;border:1px solid rgba(15,23,42,.08)}.chroma-bar-wrap{width:5px;height:100%;position:relative;background:#ffffff0d;border-radius:2px;overflow:hidden}:root[data-theme=light] .chroma-bar-wrap{background:#0f172a0d}.chroma-bar-fill{position:absolute;bottom:0;left:0;width:100%;height:0%;background:linear-gradient(to top,#38bdf8,#818cf8);border-radius:2px;transition:height .06s ease-out;box-shadow:0 0 6px #38bdf899}:root[data-theme=light] .chroma-bar-fill{background:linear-gradient(to top,#0284c7,#4f46e5);box-shadow:0 0 4px #0284c766}.lyric-segment:has(.active-listening){background:#38bdf808!important;border-left:3px solid 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var(--success);animation:midi-pulse-green 2s infinite alternate ease-in-out}.midi-dot.searching{background-color:var(--warning);box-shadow:0 0 8px var(--warning);animation:midi-pulse-amber 2s infinite alternate ease-in-out}.midi-dot.disconnected{background-color:var(--muted)}.midi-dot.unsupported{background-color:var(--danger)}@keyframes midi-pulse-green{0%{transform:scale(1);opacity:.8;box-shadow:0 0 4px var(--success)}to{transform:scale(1.3);opacity:1;box-shadow:0 0 12px var(--success)}}@keyframes midi-pulse-amber{0%{transform:scale(1);opacity:.8;box-shadow:0 0 4px var(--warning)}to{transform:scale(1.3);opacity:1;box-shadow:0 0 12px var(--warning)}}.midi-device-name{font-weight:600;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;background:var(--panel-strong);padding:2px 8px;border-radius:4px;color:var(--ink);border:1px solid var(--border-inner)}.midi-chord-console{background:var(--paper);border:1px solid 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button.accent-action{background-color:var(--accent)!important;border-color:var(--accent)!important;color:#fff!important}.midi-controls-row button.accent-action:hover{background-color:var(--accent-hover)!important;border-color:var(--accent-hover)!important}.midi-controls-row button.accent-action:disabled{background-color:var(--panel-strong)!important;border-color:var(--border-inner)!important;color:var(--muted)!important;cursor:not-allowed!important;transform:none!important;box-shadow:none!important}.midi-perform-overlay{position:fixed;bottom:24px;right:24px;z-index:1000;pointer-events:auto}.midi-perform-card{width:320px;background:var(--panel-bg);backdrop-filter:blur(12px) saturate(180%);-webkit-backdrop-filter:blur(12px) saturate(180%);border:1px solid var(--panel-border);border-radius:12px;padding:14px;box-shadow:0 10px 30px #00000026,0 1px 3px #0000000d,inset 0 1px #ffffff1a;display:flex;flex-direction:column;gap:10px;transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s 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