/* Кастомные стили поверх Bootstrap: тема, поле 3×3, поле морского боя. */

.theme-icon { display: block; }

[data-bs-theme="dark"] .theme-icon.icon-moon { display: none; }

[data-bs-theme="light"] .theme-icon.icon-sun { display: none; }

/* Крестики-нолики */

.board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: .5rem;
    width: 100%;
    max-width: clamp(8rem, calc(100vh - 30rem), 20rem);
    aspect-ratio: 1 / 1;
}

.cell {
    display: grid;
    place-items: center;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    background: var(--bs-secondary-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: .75rem;
    color: var(--bs-body-color);
    font-size: clamp(1.25rem, 6vh, 3rem);
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: border-color .15s ease, background-color .15s ease, transform .05s ease;
    -webkit-tap-highlight-color: transparent;
}

.cell:hover:not(:disabled) { border-color: var(--bs-primary); }

.cell:active:not(:disabled) { transform: scale(.98); }

.cell:focus-visible { outline: 2px solid var(--bs-primary); outline-offset: 2px; }

.cell:disabled { cursor: default; }

.cell.x { color: var(--bs-primary); }

.cell.o { color: var(--bs-danger); }

.cell.win {
    background: rgba(var(--bs-primary-rgb), .18);
    border-color: var(--bs-primary);
}

/* Морской бой */

#battleship {
    --bs-sea-top: #1a6f9b;
    --bs-sea-bottom: #0a3450;
    --bs-sea-ink: rgba(255, 255, 255, .85);
    --bs-sea-line: rgba(255, 255, 255, .22);
    --bs-sea-cell: rgba(255, 255, 255, .07);
    --bs-sea-swatch: #12557a;
}

[data-bs-theme="light"] #battleship {
    --bs-sea-top: #83cbe8;
    --bs-sea-bottom: #3a86ad;
    --bs-sea-ink: #08344a;
    --bs-sea-line: rgba(255, 255, 255, .5);
    --bs-sea-cell: rgba(255, 255, 255, .3);
    --bs-sea-swatch: #5aa6c9;
}

.bs-boards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    gap: 1.25rem;
}

.bs-panel { min-width: 0; }

.bs-board {
    display: grid;
    grid-template-columns: repeat(11, 1fr);
    grid-template-rows: repeat(11, 1fr);
    gap: 2px;
    width: clamp(15rem, 40vw, 24rem);
    aspect-ratio: 1 / 1;
    padding: .4rem;
    border: 1px solid var(--bs-sea-line);
    border-radius: .6rem;
    background:
        radial-gradient(90% 70% at 25% 10%, rgba(255, 255, 255, .16), transparent 65%),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, .05) 0 8px, rgba(255, 255, 255, 0) 8px 16px),
        linear-gradient(160deg, var(--bs-sea-top), var(--bs-sea-bottom));
    box-shadow: inset 0 0 1.5rem rgba(0, 0, 0, .3);
    user-select: none;
}

.bs-coord {
    display: grid;
    place-items: center;
    font-size: clamp(.55rem, 1.4vw, .75rem);
    line-height: 1;
    color: var(--bs-sea-ink);
    opacity: .75;
}

.bs-cell {
    display: grid;
    place-items: center;
    min-width: 0;
    min-height: 0;
    padding: 0;
    background: var(--bs-sea-cell);
    border: 1px solid var(--bs-sea-line);
    border-radius: .2rem;
    color: var(--bs-sea-ink);
    font-size: clamp(.6rem, 1.8vw, .9rem);
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: border-color .15s ease, background-color .15s ease;
    -webkit-tap-highlight-color: transparent;
}

.bs-cell:not(:disabled):hover {
    background: rgba(255, 255, 255, .3);
    border-color: var(--bs-sea-ink);
}

.bs-cell:focus-visible { outline: 2px solid var(--bs-sea-ink); outline-offset: 1px; }

.bs-cell:disabled { cursor: default; opacity: 1; }

.bs-cell.bs-ship {
    background: rgba(255, 255, 255, .5);
    border-color: rgba(255, 255, 255, .85);
}

.bs-cell.bs-miss::after {
    content: '·';
    font-size: 1.6em;
    line-height: 1;
    color: var(--bs-sea-ink);
    opacity: .7;
}

.bs-cell.bs-miss.bs-auto::after {
    content: '–';
    font-size: 1em;
    font-weight: 400;
    color: var(--bs-sea-ink);
    opacity: .7;
}

.bs-cell.bs-hit {
    background: rgba(var(--bs-danger-rgb), .55);
    border-color: var(--bs-danger);
}

.bs-cell.bs-hit::after {
    content: '×';
    line-height: 1;
    color: var(--bs-danger);
}

.bs-cell.bs-sunk {
    background: #a0212b;
    border-color: #78151d;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .25);
}

.bs-cell.bs-sunk::after {
    content: '×';
    line-height: 1;
    font-weight: 700;
    color: #fff;
}

.bs-legend {
    display: inline-block;
    width: .85rem;
    height: .85rem;
    margin-right: .15rem;
    vertical-align: -.1rem;
    background: var(--bs-sea-swatch);
    border: 1px solid var(--bs-sea-line);
    border-radius: .2rem;
}

.bs-legend-ship {
    background: rgba(255, 255, 255, .5);
    border-color: rgba(255, 255, 255, .85);
}

.bs-legend-miss { position: relative; }

.bs-legend-miss::after {
    content: '·';
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    line-height: 1;
    color: var(--bs-sea-ink);
    opacity: .7;
}

.bs-legend-auto::after {
    content: '–';
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    line-height: 1;
    color: var(--bs-sea-ink);
    opacity: .7;
}

.bs-legend-auto { position: relative; }

.bs-legend-hit { background: rgba(var(--bs-danger-rgb), .55); border-color: var(--bs-danger); }

.bs-legend-sunk { background: #a0212b; border-color: #78151d; }

@media (max-width: 767.98px) {
    .bs-boards { gap: .75rem; }

    .bs-panel { width: 100%; max-width: 22rem; }

    .bs-board { width: 100%; }
}