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var(--space-xs);font-variant-numeric:tabular-nums;color:var(--color-text);background:var(--color-bg);border:1px solid var(--color-line-strong);border-radius:var(--radius);-webkit-tap-highlight-color:transparent;transition:transform var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);font-size:1.25rem;font-weight:600}.answer:hover:not([disabled]){border-color:var(--color-accent);color:var(--color-accent)}.answer:active:not([disabled]){transform:scale(.97)}.answer--text{letter-spacing:-.01em;font-size:.9375rem;line-height:1.25}.answer[data-state=correct]{color:#fff;background:var(--color-success);border-color:var(--color-success)}.answer[data-state=wrong]{color:var(--color-error);background:color-mix(in srgb, var(--color-error) 10%, 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var(--duration) var(--ease-out);padding:.6875rem 1.125rem;font-size:.875rem;font-weight:500;position:fixed;transform:translate(-50%,12px)}.toast.is-visible{opacity:1;transform:translate(-50%)}.toolbar{justify-content:space-between;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-md);flex-wrap:wrap;display:flex}.chips{gap:var(--space-2xs);display:flex}.chip{min-height:var(--tap-target);padding:0 var(--space-sm);color:var(--color-muted);border:1px solid var(--color-line);border-radius:var(--radius-pill);transition:color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);background:0 0;font-size:.8125rem;font-weight:600}.chip:hover{color:var(--color-text);border-color:var(--color-line-strong)}.chip[aria-pressed=true]{color:var(--color-bg);background:var(--color-text);border-color:var(--color-text)}.play-tools{gap:var(--space-xs);margin-top:var(--space-md);flex-wrap:wrap;justify-content:center;display:flex}.sudoku{aspect-ratio:1;background:var(--color-surface);border:2px solid var(--color-text);border-radius:8px;grid-template-columns:repeat(9,1fr);width:min(100%,432px);margin:0 auto;display:grid;overflow:hidden}.sudoku[data-loading=true]{opacity:.4;pointer-events:none}.sudoku__cell{font-variant-numeric:tabular-nums;min-width:0;color:var(--color-accent);background:var(--color-surface);border-right:1px solid var(--color-line);border-bottom:1px solid var(--color-line);-webkit-tap-highlight-color:transparent;transition:background-color .12s var(--ease-out), color .12s var(--ease-out);justify-content:center;align-items:center;padding:0;font-size:clamp(.9375rem,4.2vw,1.375rem);font-weight:500;line-height:1;display:flex}.sudoku__cell:nth-child(9n){border-right:0}.sudoku__cell:nth-child(n+73){border-bottom:0}.sudoku__cell.is-block-right{border-right:2px solid var(--color-text)}.sudoku__cell.is-block-bottom{border-bottom:2px solid var(--color-text)}.sudoku__cell.is-given{color:var(--color-text);font-weight:700}.sudoku__cell.is-peer{background:color-mix(in srgb, var(--color-text) 4%, var(--color-surface))}.sudoku__cell.is-same{background:var(--color-wash);color:var(--color-accent)}.sudoku__cell.is-selected{background:color-mix(in srgb, var(--color-accent) 14%, var(--color-surface));box-shadow:inset 0 0 0 2px var(--color-accent)}.sudoku__cell.is-error{color:var(--color-error);background:color-mix(in srgb, var(--color-error) 10%, var(--color-surface))}.sudoku__cell.is-error.is-selected{box-shadow:inset 0 0 0 2px var(--color-error)}.keypad{gap:var(--space-2xs);width:min(100%,432px);margin:var(--space-md) auto 0;grid-template-columns:repeat(5,1fr);display:grid}.keypad__key{font-variant-numeric:tabular-nums;min-height:52px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-sm);-webkit-tap-highlight-color:transparent;transition:background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);font-size:1.25rem;font-weight:600}.keypad__key:hover{border-color:var(--color-accent);color:var(--color-accent)}.keypad__key:active{transform:scale(.96)}.keypad__key--erase{letter-spacing:0;font-size:.8125rem;font-weight:500}