:root{--bg:#fbfaf7;--fg:#1c1c21;--muted:#6b6b75;--line:#e4e2dc;--tile:#fff;--accent:#5b4bdb;--rail-w:68px;--rail-w-open:248px;--serif:Georgia, "Times New Roman", serif;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#141418;--fg:#ececf1;--muted:#9a9aa6;--line:#2c2c34;--tile:#1d1d23;--accent:#9d92ff;color-scheme:dark}}:root[data-theme=dark]{--bg:#141418;--fg:#ececf1;--muted:#9a9aa6;--line:#2c2c34;--tile:#1d1d23;--accent:#9d92ff;color-scheme:dark}*,:before,:after{box-sizing:border-box}html{background:var(--bg)}body{background:var(--bg);min-height:100vh;color:var(--fg);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}a{color:var(--accent)}.page{min-height:100vh;padding:48px 32px 0 calc(var(--rail-w) + 32px);flex-direction:column;display:flex}.page>main{flex:1}.site-footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;margin-top:48px;padding:18px 0;font-size:.85rem}.page h1{margin:0 0 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var(--line);background:var(--tile);border-radius:12px;margin:0 0 24px;padding:0;list-style:none;overflow:hidden}.track{border-top:1px solid var(--line);grid-template-columns:2.2rem minmax(0,1fr) 23rem;align-items:baseline;gap:4px 12px;padding:10px 16px;display:grid}.track:first-child{border-top:0}.track-n{color:var(--muted);font-variant-numeric:tabular-nums}.track-title{overflow-wrap:anywhere;font-weight:600}.track-role{color:var(--muted);font-size:.9rem}.game-nav{justify-content:space-between;gap:16px;display:flex}@media (width<=760px){.track{grid-template-columns:2rem minmax(0,1fr)}.track-role{grid-column:2}.game-nav{flex-direction:column}.game-nav .btn{justify-content:center}}.table-scroll{margin-bottom:8px;overflow-x:auto}.wtc{border-collapse:collapse;border:1px solid var(--line);background:var(--tile);font-variant-numeric:tabular-nums;width:100%}.wtc th,.wtc td{border-top:1px solid var(--line);text-align:left;white-space:nowrap;padding:8px 14px}.wtc thead th{color:var(--muted);border-top:0;font-size:.85rem}.wtc tbody th{font-weight:600}.wtc tbody tr:hover{background:color-mix(in srgb, var(--accent) 8%, var(--tile))}.seg-group{flex-wrap:wrap;gap:6px;display:flex}.seg-btn{border:1px solid var(--line);background:var(--tile);min-width:42px;min-height:42px;color:var(--fg);font:inherit;cursor:pointer;border-radius:10px;padding:6px 12px}.seg-btn:hover{border-color:var(--accent)}.seg-btn[aria-pressed=true]{border-color:var(--accent);background:var(--accent);color:var(--bg);font-weight:600}.seg-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.chord-form{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.chord-head{flex-wrap:wrap;align-items:baseline;gap:6px 20px;margin-bottom:16px;display:flex}.chord-symbol{font-family:var(--serif);font-size:clamp(2rem,6vw,3rem);line-height:1.1}.muted-line{color:var(--muted);font-size:.9rem}.keyboard-wrap{margin:20px 0}.keyboard{width:100%;max-width:680px;height:auto;display:block}.keyboard .key.white{fill:#fdfdfb;stroke:#9a9aa6;stroke-width:1px}.keyboard .key.black{fill:#1c1c21;stroke:#000;stroke-width:1px}.keyboard .key.white.on{fill:color-mix(in srgb, var(--accent) 45%, #fff)}.keyboard .key.black.on{fill:var(--accent)}.keyboard .key-label{text-anchor:middle;fill:#1c1c21;pointer-events:none;font-size:11px;font-weight:700}.keyboard .black-label{fill:#fff;font-size:9px}:root[data-theme=dark] .keyboard .key.black.on .black-label,:root[data-theme=dark] .keyboard .black-label{fill:#fff}.btn-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px;display:flex}button.btn{cursor:pointer;font:inherit;font-size:.9rem}.dna{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px 24px;margin:8px 0;display:grid}.dna dt{color:var(--muted);font-size:.85rem;font-weight:600}.dna dd{overflow-wrap:anywhere;margin:2px 0 0}.overview-tools{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-bottom:8px;display:grid}.overview-tools .gloss-search{margin:0}.pat-group{margin-top:8px}.group-blurb{color:var(--muted);margin:0 0 12px;font-size:.95rem}.pat-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin:0 0 20px;padding:0;list-style:none;display:grid}.pat-tile a{border:1px solid var(--line);background:var(--tile);height:100%;color:var(--fg);border-radius:12px;flex-direction:column;gap:4px;padding:14px 16px;text-decoration:none;display:flex}.pat-tile a:hover,.pat-tile a:focus-visible{border-color:var(--accent)}.pat-name{font-weight:600}.pat-aka{color:var(--muted);font-size:.85rem}.pat-bass{letter-spacing:.02em;font-size:1.05rem}.pat-chips{flex-wrap:wrap;gap:6px;margin-top:4px;display:flex}.pat-chips.big{margin:0 0 16px}.chip{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:2px 10px;font-size:.8rem}.chip-accent{border-color:var(--accent);color:var(--accent)}.degrees{border:1px solid var(--line);background:var(--tile);border-radius:12px;flex-direction:column;gap:8px;margin:0 0 16px;padding:14px 16px;display:flex}.degree-row{flex-wrap:wrap;align-items:baseline;gap:14px;display:flex}.degree-label{width:4.5rem;color:var(--muted);font-size:.85rem;font-weight:600}.degree-line{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.degree{font-size:1.3rem;line-height:1}.degree-text{color:var(--muted);font-size:.95rem}.summary-text{margin:0 0 20px;font-size:1.05rem}.rule-list ul{flex-direction:column;gap:10px;margin:0 0 8px;padding:0;list-style:none;display:flex}.rule-list li{border:1px solid var(--line);background:var(--tile);border-radius:10px;padding:10px 14px}.badge{letter-spacing:.03em;text-transform:uppercase;color:#fff;vertical-align:1px;border-radius:6px;margin-right:6px;padding:1px 8px;font-size:.72rem;font-weight:700;display:inline-block}.badge-rule{background:#c0392b}.badge-guide{background:#b9770e}.badge-need{background:#5d6d7e}.figures-box{border:1px solid var(--line);background:var(--tile);white-space:pre-wrap;border-radius:10px;margin:0 0 12px;padding:12px 14px;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:.9rem;overflow-x:auto}.example{margin:0 0 24px}.example h3{margin:0 0 8px;font-size:1rem}.caption{color:var(--muted);margin:8px 0 0;font-size:.9rem}.variant{border:1px solid var(--line);background:var(--tile);border-radius:10px;margin:0 0 10px;padding:10px 14px}.variant summary{cursor:pointer;font-weight:600}.source-list{color:var(--muted);overflow-wrap:anywhere;margin:0;padding-left:1.2em;font-size:.92rem}.owner-box,.owner-note{background:color-mix(in srgb, #b9770e 10%, var(--tile));border:1px dashed #b9770e;border-radius:10px;margin-top:24px;padding:12px 14px;font-size:.9rem}.owner-note{margin-top:8px}.pattern-page .btn-row{margin-bottom:16px}.circle .shape{pointer-events:none}.circle .shape-poly{fill:color-mix(in srgb, var(--fg) 14%, transparent);stroke:var(--fg);stroke-width:3px;stroke-linejoin:round}.circle .shape-dot{fill:var(--fg);stroke:var(--bg);stroke-width:2px}.shape-panel{margin-top:28px}.shape-caption{margin:12px 0 0}.hint{margin:8px 0 12px}button.note-chip{font:inherit;color:var(--fg);cursor:pointer}button.note-chip:hover,button.note-chip:focus-visible{border-color:var(--accent)}button.note-chip[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.page-block .about-list{margin:0 0 14px;padding-left:1.2em}.about-list li{margin-bottom:8px}.staff{border:1px solid var(--line);background:var(--tile);min-height:200px;color:var(--fg);border-radius:12px;margin-bottom:12px;padding:4px 8px;overflow-x:auto}.staff svg{max-width:none;display:block}.staff-controls{flex-wrap:wrap;gap:12px 24px;margin-bottom:16px;display:flex}.audio-settings{gap:16px;margin:8px 0 32px;display:grid}.volume-range{width:100%;accent-color:var(--accent)}.field-label output{color:var(--fg);font-variant-numeric:tabular-nums;margin-left:6px}.player{border:1px solid var(--line);background:var(--tile);border-radius:12px;min-height:120px;padding:12px}.player:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.score-box{color:var(--fg);overflow-x:auto}.score-box svg{max-width:none;display:block}.score .fig{text-anchor:middle;fill:currentColor;stroke:none;font-family:Georgia,Times New Roman,serif;font-size:13px}.score .deg{text-anchor:middle;fill:var(--accent);stroke:none;font-family:system-ui,Segoe UI Symbol,sans-serif;font-size:15px}.score .hl{fill:var(--accent);opacity:0;transition:opacity 80ms linear}.score .hl.on{opacity:.2}.pl-row{flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:12px;display:flex}.pl-label{min-width:4.5rem;color:var(--muted);font-size:.85rem;font-weight:600}.pl-inline{color:var(--muted);align-items:center;gap:6px;font-size:.9rem;display:inline-flex}.pl-range{width:150px;accent-color:var(--accent)}.pl-select{border:1px solid var(--line);background:var(--bg);min-height:38px;color:var(--fg);font:inherit;border-radius:10px;padding:4px 10px}.pl-voices{flex-wrap:wrap;gap:8px 22px;margin-top:12px;display:flex}.pl-voice{align-items:center;gap:6px;display:flex}.pl-voice .seg-btn{min-width:0;min-height:34px;padding:2px 10px;font-size:.85rem}.pl-play{justify-content:center;min-width:96px}.pl-status,.pl-note{margin:8px 0 0}