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var(--focus-ring)}.tile{background:var(--surface);border:1px solid var(--line);border-radius:10%;place-items:center;display:grid;position:absolute;inset:2px;overflow:hidden}.cell.given .tile{background:var(--given-bg)}.tile:after{content:"";pointer-events:none;border-radius:inherit;position:absolute;inset:0}.cell.peer .tile:after{background:var(--peer)}.cell.same .tile:after{background:var(--same)}.cell.colour.peer .tile:after{background:0 0}.cell.colour.same .tile:after{box-shadow:inset 0 0 0 4px var(--accent);background:0 0}.cell.focus .tile:after{background:var(--hint-tint)}.cell.because .tile{box-shadow:0 0 0 2px var(--hint-ring) inset;border-style:dashed;border-color:var(--hint-ring)}.cell.target .tile{box-shadow:0 0 0 3px var(--hint-ring)}.cell.error .tile:after{background:var(--error-tint)}.cell.error .tile{border-color:var(--error);border-style:dotted;border-width:2px}.cell.sel .tile{box-shadow:0 0 0 3px var(--accent), 0 0 0 5px 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i.on{background:var(--accent)}.setting{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;min-height:48px;padding-top:6px;display:flex}.setting:first-of-type{border-top:0}.setting small{color:var(--ink-soft);font-size:.8rem;display:block}.seg{border:1px solid var(--line-strong);border-radius:10px;display:inline-flex;overflow:hidden}.seg button{background:var(--surface);border:0;min-width:44px;min-height:40px;padding:0 10px;font-size:.85rem}.seg button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink)}.switch{border:1px solid var(--line-strong);background:var(--surface-2);border-radius:99px;flex:none;width:52px;height:32px;padding:0;position:relative}.switch:after{content:"";background:var(--ink-soft);border-radius:50%;width:24px;height:24px;transition:transform 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