/**
 * board.css — Board rendering, points, checkers
 */

/* ── Board Container ────────────────────────────────────────────────────────── */
.board-container {
    position: relative;
    width: 600px;
    max-width: 100%;
    margin: 0 auto;
    background: var(--bg-board-bg);
    border: 3px solid var(--bg-point-light);
    border-radius: 8px;
    box-shadow: 
        0 0 20px var(--bg-checker-player-glow),
        inset 0 0 30px rgba(0,0,0,0.5);
    overflow: visible;
}

/* ── Board Layout ───────────────────────────────────────────────────────────── */
.board {
    display: grid;
    grid-template-columns: repeat(6, 1fr) var(--bar-width, 50px) repeat(6, 1fr);
    grid-template-rows: 1fr 1fr;
    min-height: 420px;
    padding: 10px;
    gap: 1px;
    background: linear-gradient(180deg, rgba(0,245,255,0.03) 0%, transparent 50%, rgba(255,45,120,0.03) 100%);
}

/* Top row points */
.point.top {
    grid-row: 1;
}

/* Bottom row points */
.point.bottom {
    grid-row: 2;
}

/* Bar spans both rows — column 7 in 13-column grid */
.bar {
    grid-row: 1 / 3;
    grid-column: 7;
}

/* ── Points (Triangles) ─────────────────────────────────────────────────────── */
.point {
    position: relative;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: background 0.15s;
    border: 1px solid rgba(255,255,255,0.03);
}

.point::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
}

/* Top points (AI's home) */
.point.top {
    flex-direction: column;
    padding-top: 8px;
}

.point.top::before {
    top: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 140px solid var(--point-color);
}

/* Bottom points (Player's home) */
.point.bottom {
    flex-direction: column-reverse;
    padding-bottom: 8px;
}

.point.bottom::before {
    bottom: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-bottom: 140px solid var(--point-color);
}

/* Point hover effect */
.point:hover {
    background: rgba(255,255,255,0.05);
}

/* Point colors */
.point.light {
    --point-color: var(--bg-point-light-dim);
}

.point.dark {
    --point-color: var(--bg-point-dark-dim);
}

.point.highlighted {
    --point-color: var(--bg-highlight);
    box-shadow: 0 0 15px var(--bg-highlight-glow);
}

/* ── Checkers ───────────────────────────────────────────────────────────────── */
.checkers {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 3px 0;
}

.checker {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.4);
    transition: transform 0.15s, box-shadow 0.15s;
    cursor: pointer;
    flex-shrink: 0;
}

.checker.player {
    background: radial-gradient(circle at 30% 30%, #00f5ff, #0088aa);
    box-shadow: 0 0 8px var(--bg-checker-player-glow);
}

.checker.ai {
    background: radial-gradient(circle at 30% 30%, #ff2d78, #aa1155);
    box-shadow: 0 0 8px var(--bg-checker-ai-glow);
}

.checker.selected {
    transform: scale(1.2);
    box-shadow: 0 0 20px var(--bg-highlight);
    border-color: var(--bg-highlight);
}

.checker.highlighted {
    animation: checkerPulse 0.8s ease-in-out infinite;
}

@keyframes checkerPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ── Bar ────────────────────────────────────────────────────────────────────── */
.bar {
    background: var(--bg-bar-bg);
    border-left: 2px solid var(--bg-point-light);
    border-right: 2px solid var(--bg-point-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 10px;
}

.bar-label {
    font-size: 7px;
    color: var(--bg-text-dim);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.1em;
}

.bar-checkers {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.bar-checker {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
}

.bar-checker.player {
    background: radial-gradient(circle at 30% 30%, #00f5ff, #0088aa);
    box-shadow: 0 0 8px var(--bg-checker-player-glow);
}

.bar-checker.ai {
    background: radial-gradient(circle at 30% 30%, #ff2d78, #aa1155);
    box-shadow: 0 0 8px var(--bg-checker-ai-glow);
}

/* ── Off Area (Borne Off) ───────────────────────────────────────────────────── */
.off-area {
    background: var(--bg-off-bg);
    border: 2px solid var(--bg-text-dim);
    border-radius: 4px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    transition: border-color 0.2s;
}

.off-label {
    font-size: 7px;
    font-weight: bold;
    letter-spacing: 0.05em;
}

.off-count {
    font-size: 16px;
    color: var(--bg-dice);
    text-shadow: 0 0 8px var(--bg-dice-glow);
}

.off-checkers {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    justify-content: center;
}

.off-checker {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
}

.off-checker.player {
    background: var(--bg-checker-player);
}

.off-checker.ai {
    background: var(--bg-checker-ai);
}

/* ── Off Areas Container ────────────────────────────────────────────────────── */
.off-areas {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    gap: 10px;
}

.off-areas .off-area {
    flex: 1;
}

/* ── Home Labels ────────────────────────────────────────────────────────────── */
.home-labels {
    position: absolute;
    top: 0;
    right: -130px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    pointer-events: none;
    z-index: 10;
}

.home-label {
    font-family: 'Press Start 2P', monospace;
    font-size: 7px;
    letter-spacing: 0.1em;
    padding: 8px 12px;
    border-radius: 4px;
    text-align: center;
    line-height: 1.6;
}

.home-label.player-home {
    color: var(--bg-checker-player);
    background: rgba(0, 245, 255, 0.15);
    border: 2px solid rgba(0, 245, 255, 0.4);
}

.home-label.ai-home {
    color: var(--bg-checker-ai);
    background: rgba(255, 45, 120, 0.15);
    border: 2px solid rgba(255, 45, 120, 0.4);
}

/* ── Home Quadrant Highlights ────────────────────────────────────────────────── */
.point.in-player-home {
    background: rgba(0, 245, 255, 0.05);
    border-color: rgba(0, 245, 255, 0.15);
}

.point.in-ai-home {
    background: rgba(255, 45, 120, 0.05);
    border-color: rgba(255, 45, 120, 0.15);
}

/* ── Point Numbers ──────────────────────────────────────────────────────────── */
.point-number {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 8px;
    color: var(--bg-text-dim);
    opacity: 0.6;
}

.point.top .point-number {
    top: -18px;
}

.point.bottom .point-number {
    bottom: -18px;
}

/* ── Move Highlights ────────────────────────────────────────────────────────── */
.move-highlight {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--bg-highlight);
    opacity: 0.2;
    border-radius: 4px;
    pointer-events: none;
    animation: highlightPulse 1s ease-in-out infinite;
}

@keyframes highlightPulse {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.4; }
}