/* Sudoku solution summary: same container treatment as .diet-solution-summary
   (pages/diet.css), plus a 9x9 grid built from CSS (no image), with distinct colors for
   given vs. solver-filled cells since Furo has no variable pair for that
   given/solved contrast. */
[role="main"] .sudoku-solution-summary {
    padding: 1.2em 1.3em;
    border-radius: 0.6em;
    background: #eef1f5;
    border: 1px solid var(--color-sidebar-background-border);
    --sudoku-given-bg: #d8dee8;
    --sudoku-given-fg: var(--color-foreground-primary);
    --sudoku-solved-bg: var(--color-brand-content);
    --sudoku-solved-fg: #ffffff;
}

body[data-theme="dark"] [role="main"] .sudoku-solution-summary {
    background: #15171a;
    --sudoku-given-bg: #2a2d33;
}

@media (prefers-color-scheme: dark) {
    body:not([data-theme="light"]) [role="main"] .sudoku-solution-summary {
        background: #15171a;
        --sudoku-given-bg: #2a2d33;
    }
}

.sudoku-grid {
    display: flex;
    flex-direction: column;
    width: min(100%, 342px);
    margin: 0 auto;
    border: 2px solid var(--color-foreground-secondary);
}

.sudoku-row {
    display: flex;
}

.sudoku-row:nth-child(3n) {
    border-bottom: 2px solid var(--color-foreground-secondary);
}

.sudoku-cell {
    flex: 1 1 0;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--color-background-border);
}

.sudoku-cell.box-right {
    border-right: 2px solid var(--color-foreground-secondary);
}

.sudoku-cell.box-bottom {
    border-bottom: 2px solid var(--color-foreground-secondary);
}

.sudoku-cell.sudoku-given {
    background: var(--sudoku-given-bg);
    color: var(--sudoku-given-fg);
}

.sudoku-cell.sudoku-solved {
    background: var(--sudoku-solved-bg);
    color: var(--sudoku-solved-fg);
}

.sudoku-legend-swatch {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.sudoku-legend-swatch.sudoku-legend-given {
    background: var(--sudoku-given-bg);
}

.sudoku-legend-swatch.sudoku-legend-solved {
    background: var(--sudoku-solved-bg);
}