:root{--bg: #fbfbfa;--fg: #191917;--muted: #63635e;--rule: #e3e2de;--cell-line: #acaba8;--cell-line-dim: #bfbebb;--key-line: #bfbebb;--ring: #494844;--panel: #ffffff;--exact: #004cad;--accent: #004cad;--present: #f7a23d;--on-exact: #ffffff;--on-present: #2b1401;--absent: #63635e;--key: #f0f0ef;--focus: #004cad;--mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;--sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #141519;--fg: #eceff4;--muted: #a2a8b4;--rule: #2f333d;--cell-line: #45484c;--cell-line-dim: #36383c;--key-line: #4b4d52;--ring: #ced1d8;--panel: #1b1d24;--exact: #2b5fc6;--accent: #5e93e1;--present: #fea845;--on-exact: #ffffff;--on-present: #2b1401;--absent: #a2a8b4;--key: #27292d;--focus: 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var(--rule);border-radius:10px;background:var(--panel);color:var(--fg);padding:16px;width:min(560px,94vw);max-height:88dvh;overflow-y:auto}.sheet::backdrop{background:#00000080}.sheet-body:focus{outline:none}.sheet-body h2{margin:0 0 4px;font-size:1.15rem}.sheet-body h3{margin:18px 0 4px;font-size:.95rem}.sheet-body p{margin:6px 0;font-size:.9rem}.sheet-body ul{margin:6px 0;padding-left:18px;font-size:.9rem}.legend{list-style:none;padding:0}.legend li{margin:8px 0;display:flex;gap:10px;align-items:flex-start}.legend .demo{flex:none}#view-result{max-width:880px;justify-content:flex-start;padding-bottom:32px}#view-result:focus,.reveal-grid:focus{outline:none}.result-nav{display:flex;justify-content:space-between;gap:8px}[data-fact=grid]{justify-self:center;margin:4px auto 10px}.share-main{width:auto;padding:9px 18px}.share-targets{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.share-targets-label{color:var(--muted);font-size:.8rem}.share-targets .ghost{text-decoration:none;padding:5px 12px;font-size:.85rem}#share-note{margin:0}#share-note:empty{display:none}.result-nav .ghost{text-decoration:none;text-align:center}.reveal-grid{display:grid;gap:0}.headline{padding-bottom:6px;text-align:center}.headline-lead{margin:4px 0;font-size:clamp(1rem,4.4vw,1.2rem);font-weight:700;line-height:1.3;text-wrap:pretty}@media(min-width:760px){.reveal-grid[data-layout=two]{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);column-gap:30px;align-items:start}.reveal-grid[data-layout=two]>[data-fact=headline],.reveal-grid[data-layout=two]>[data-fact=grid]{grid-column:1 / -1}.reveal-grid[data-layout=two]>[data-fact=family]{grid-column:2;grid-row:3 / span 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