.minesweeper-board {
    border-collapse: separate;
    border-spacing: 2px;
    margin: 0 auto;
    touch-action: manipulation;
}

.minesweeper-board td {
    padding: 0;
}

.minesweeper-cell {
    display: block;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 2px outset #cbd5e1;
    border-radius: 2px;
    background: #dce3eb;
    color: #172033;
    font-weight: 700;
    line-height: 28px;
    text-align: center;
    user-select: none;
}

.minesweeper-cell.revealed {
    border: 1px solid #94a3b8;
    background: #f1f5f9;
}

.minesweeper-cell.checking {
    animation: minesweeper-check 550ms ease-out;
}

@keyframes minesweeper-check {
    0%, 100% {
        box-shadow: inset 0 0 0 0 transparent;
        filter: brightness(1);
        transform: scale(1);
    }
    35% {
        box-shadow: inset 0 0 0 4px #f59e0b;
        filter: brightness(1.3);
        transform: scale(0.88);
    }
}

[data-bs-theme="dark"] .minesweeper-cell {
    border-color: #475569;
    background: #334155;
    color: #f1f5f9;
}

[data-bs-theme="dark"] .minesweeper-cell.revealed {
    border-color: #475569;
    background: #172033;
}

[data-bs-theme="dark"] .minesweeper-cell.mine-hit {
    background: #7f1d1d;
}

[data-bs-theme="dark"] .number-1 { color: #60a5fa; }
[data-bs-theme="dark"] .number-2 { color: #4ade80; }
[data-bs-theme="dark"] .number-3 { color: #f87171; }
[data-bs-theme="dark"] .number-4 { color: #c4b5fd; }
[data-bs-theme="dark"] .number-5 { color: #fbbf24; }
[data-bs-theme="dark"] .number-6 { color: #67e8f9; }
[data-bs-theme="dark"] .number-7 { color: #f1f5f9; }
[data-bs-theme="dark"] .number-8 { color: #cbd5e1; }

.minesweeper-cell.mine-hit {
    background: #fca5a5;
}

.minesweeper-cell.flagged {
    color: #b91c1c;
}

.minesweeper-cell:disabled {
    opacity: 1;
}

.number-1 { color: #2563eb; }
.number-2 { color: #15803d; }
.number-3 { color: #dc2626; }
.number-4 { color: #6d28d9; }
.number-5 { color: #92400e; }
.number-6 { color: #0e7490; }
.number-7 { color: #111827; }
.number-8 { color: #64748b; }

.board-scroll {
    overflow: auto;
    max-width: 100%;
}

.guest-name {
    width: min(18rem, 100%);
}

@media (max-width: 576px) {
    .minesweeper-cell {
        width: 28px;
        height: 28px;
        line-height: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .minesweeper-cell.checking {
        animation-duration: 1ms;
    }
}