main{outline:none;max-width:34rem;margin:0 auto;padding:2rem 1rem 4rem}header h1{letter-spacing:-.02em;margin:0 0 .25rem;font-size:1.75rem}header p{color:var(--muted);margin:0 0 1.5rem;line-height:1.5}.grid{background:var(--line-strong);border:2px solid var(--line-strong);border-radius:4px;grid-template-columns:repeat(9,1fr);gap:1px;display:grid;overflow:hidden}.cell{aspect-ratio:1;background:var(--surface);color:inherit;font:inherit;cursor:pointer;border:none;place-items:center;padding:0;display:grid}.cell:nth-child(9n+4),.cell:nth-child(9n+7){box-shadow:inset 2px 0 0 var(--line-strong)}.cell:nth-child(n+28):nth-child(-n+36),.cell:nth-child(n+55):nth-child(-n+63){box-shadow:inset 0 2px 0 var(--line-strong)}.cell:nth-child(28),.cell:nth-child(31),.cell:nth-child(34),.cell:nth-child(55),.cell:nth-child(58),.cell:nth-child(61){box-shadow:inset 2px 0 0 var(--line-strong), inset 0 2px 0 var(--line-strong)}.cell:hover{background:var(--surface-hover)}.cell.selected{background:var(--accent-soft)}.cell.clash .value{color:var(--danger)}.value{font-variant-numeric:tabular-nums;font-size:clamp(1rem,4.5vw,1.5rem)}.cell.given .value{font-weight:650}.cell:not(.given) .value{color:var(--accent)}.candidates{width:100%;height:100%;color:var(--muted);grid-template-columns:repeat(3,1fr);place-items:center;font-size:clamp(.4rem,1.6vw,.55rem);font-style:normal;line-height:1;display:grid}.candidates i{font-style:normal}.controls{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:1.25rem;display:flex}.controls button{border:1px solid var(--line);background:var(--surface);color:inherit;font:inherit;cursor:pointer;border-radius:6px;padding:.5rem .9rem}.controls button:hover:not(:disabled){background:var(--surface-hover)}.controls button:disabled{opacity:.55;cursor:default}.count{color:var(--muted);font-variant-numeric:tabular-nums;margin-left:auto;font-size:.875rem}.message{color:var(--muted);margin-top:1rem;line-height:1.5}.message.error{color:var(--danger)}:root{--bg:#fbfbfa;--surface:#fff;--surface-hover:#f2f2f0;--text:#1a1a18;--muted:#75756e;--line:#dededa;--line-strong:#b8b8b2;--accent:#2f6f4f;--accent-soft:#e3efe8;--danger:#b03636;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#16161a;--surface:#1e1e24;--surface-hover:#26262e;--text:#ececeb;--muted:#96968f;--line:#33333c;--line-strong:#4a4a55;--accent:#6fbf95;--accent-soft:#24382f;--danger:#e07070}}*{box-sizing:border-box}body{background:var(--bg);margin:0}