.sudoku-game{max-width:540px;margin:auto}.sudoku-setup{display:flex;justify-content:space-between;align-items:center;margin:0 0 17px;gap:12px;font-size:12px;color:#5c7564}.sudoku-setup label{display:flex;align-items:center;gap:8px}.sudoku-setup select,.sudoku-setup button{font:inherit;padding:9px 12px;border:1px solid #c9d8c3;border-radius:12px;background:#f8faef;color:#486555}.sudoku-grid{display:grid;grid-template-columns:repeat(var(--size),minmax(0,1fr));border:2px solid #60836d;border-radius:8px;overflow:hidden;box-shadow:0 6px #b4c7a5;background:#fffdf1}.sudoku-cell{position:relative;aspect-ratio:1;min-width:0;min-height:0;border:0;border-right:1px solid #d7dfcb;border-bottom:1px solid #d7dfcb;border-radius:0;background:#fcfcf2;padding:0;font-size:clamp(18px,4.5vw,27px);color:#2f8165;font-weight:500;display:grid;place-items:center;touch-action:manipulation}.sudoku-cell.is-given{color:#344c3d;font-weight:750}.sudoku-cell.box-right{border-right:2px solid #7c9981}.sudoku-cell.box-bottom{border-bottom:2px solid #7c9981}.sudoku-cell.is-peer{background:#edf2e5}.sudoku-cell.is-same{background:#d2e4c9}.sudoku-cell.is-selected{background:#c2ddbd!important;box-shadow:inset 0 0 0 2px #598b66;z-index:1}.sudoku-cell.is-conflict{color:#a94948;background:#f8e0d6}.sudoku-notes{position:absolute;inset:3px;display:grid;grid-template-columns:repeat(var(--notes-cols),1fr);pointer-events:none}.sudoku-notes i{font-size:clamp(7px,1.9vw,11px);font-style:normal;color:#6d8873;line-height:1;display:grid;place-items:center}.sudoku-feedback{font-size:12px;color:#657c65;text-align:center;min-height:18px;margin:18px 0 12px}.sudoku-tools{display:flex;justify-content:center;gap:9px}.sudoku-tools button{display:flex;align-items:center;gap:5px;border:1px solid #d5dfc8;border-radius:12px;padding:10px 12px;background:#f3f6e9;color:#59745c;font-size:12px}.sudoku-tools svg{height:19px;width:19px}.sudoku-tools button[aria-pressed=true]{background:#d6e8c7;border-color:#80a26a}.sudoku-keypad{display:grid;grid-template-columns:repeat(var(--keys),minmax(0,1fr));gap:5px;margin-top:18px}.sudoku-keypad button{position:relative;border:0;border-radius:9px;padding:9px 0 18px;font-size:24px;color:#426f52;background:#e1ebd6;box-shadow:0 3px #bdccae;min-width:0;touch-action:manipulation}.sudoku-keypad small{position:absolute;bottom:3px;left:0;right:0;font-size:8px;color:#6c8768}.sudoku-game button:disabled{opacity:.45}.sudoku-grid button:focus-visible{outline:2px solid #416f51;outline-offset:-3px}@media(max-width:360px){.sudoku-keypad{gap:3px}.sudoku-keypad button{font-size:20px}.sudoku-tools button{padding:9px}.sudoku-cell{font-size:20px}.sudoku-notes{inset:1px}}