/* Chinese Checkers board and game UI */

.main-area {
    background: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 24px;
}

.online-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.opponent-name {
    color: var(--text-muted);
    font-weight: 600;
}

.chinese-checkers-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 22px;
    align-items: start;
}

.board-panel,
.controls {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.board-panel {
    padding: 18px;
    overflow: hidden;
}

.board-title-row {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 10px;
}

.board-title-row h2 {
    color: var(--secondary-color);
    margin: 0 0 4px;
}

.board-title-row p {
    color: var(--text-muted);
    margin: 0;
}

.move-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.legend-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 5px;
    vertical-align: -1px;
}

.legend-dot.step {
    background: #fef3c7;
    border: 2px solid #d97706;
}

.legend-dot.hop {
    background: #dcfce7;
    border: 2px solid #16a34a;
}

.board-container {
    display: flex;
    justify-content: center;
    overflow-x: auto;
    padding: 10px 4px 4px;
}

.checker-board {
    position: relative;
    width: min(92vw, 760px);
    min-width: 320px;
    max-width: 100%;
    aspect-ratio: 1 / 1.08;
    border-radius: 28px;
    background:
        radial-gradient(circle at 50% 45%, rgba(255,255,255,0.92), rgba(255,255,255,0.74) 42%, rgba(224,231,255,0.72) 100%),
        linear-gradient(135deg, #edf2ff, #f8fafc);
    border: 1px solid #dbe4ff;
    box-shadow: inset 0 1px 12px rgba(15,23,42,0.08);
}

.checker-hole {
    --hole-size: clamp(15px, 3.25vw, 30px);
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: var(--hole-size);
    height: var(--hole-size);
    min-width: 0;
    padding: 0;
    border: 2px solid rgba(71,85,105,0.36);
    border-radius: 50%;
    background: #fff;
    box-shadow: inset 0 1px 3px rgba(15,23,42,0.18), 0 1px 2px rgba(15,23,42,0.08);
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease;
    cursor: pointer;
}

.checker-hole:hover:not(:disabled) {
    transform: translate(-50%, -50%) scale(1.14);
    border-color: var(--primary-color);
    z-index: 4;
}

.checker-hole:focus-visible {
    outline: 3px solid #111827;
    outline-offset: 3px;
    z-index: 5;
}

.checker-hole.camp-top,
.checker-hole.camp-bottom {
    background: #eff6ff;
}

.checker-hole.camp-upperLeft,
.checker-hole.camp-lowerRight {
    background: #fff7ed;
}

.checker-hole.camp-upperRight,
.checker-hole.camp-lowerLeft {
    background: #f5f3ff;
}

.checker-hole.current-home {
    box-shadow: inset 0 0 0 2px rgba(59,130,246,0.16), 0 1px 2px rgba(15,23,42,0.08);
}

.checker-hole.current-goal {
    box-shadow: inset 0 0 0 2px rgba(22,163,74,0.2), 0 1px 2px rgba(15,23,42,0.08);
}

.checker-hole.occupied {
    background: #f8fafc;
}

.peg {
    display: block;
    width: 72%;
    height: 72%;
    margin: 14%;
    border-radius: 50%;
    background: var(--peg-color);
    border: 2px solid rgba(255,255,255,0.88);
    box-shadow: inset -3px -4px 5px rgba(0,0,0,0.22), inset 2px 2px 4px rgba(255,255,255,0.35), 0 2px 5px rgba(15,23,42,0.28);
}

.checker-hole.player-0,
.player-color-marker.player-0,
.current-player-indicator.player-0,
.player-card.player-0 {
    --peg-color: #1f77b4;
}

.checker-hole.player-1,
.player-color-marker.player-1,
.current-player-indicator.player-1,
.player-card.player-1 {
    --peg-color: #d95f02;
}

.checker-hole.player-2,
.player-color-marker.player-2,
.current-player-indicator.player-2,
.player-card.player-2 {
    --peg-color: #6a3d9a;
}

.checker-hole.player-3,
.player-color-marker.player-3,
.current-player-indicator.player-3,
.player-card.player-3 {
    --peg-color: #00897b;
}

.checker-hole.selected {
    border-color: #111827;
    box-shadow: 0 0 0 4px rgba(17,24,39,0.18), inset 0 1px 3px rgba(15,23,42,0.18);
    z-index: 6;
}

.checker-hole.legal-move {
    background: #fef3c7;
    border-color: #d97706;
    box-shadow: 0 0 0 4px rgba(217,119,6,0.18), inset 0 1px 3px rgba(15,23,42,0.16);
    z-index: 3;
}

.checker-hole.legal-hop {
    background: #dcfce7;
    border-color: #16a34a;
    box-shadow: 0 0 0 4px rgba(22,163,74,0.2), inset 0 1px 3px rgba(15,23,42,0.16);
}

.checker-hole.last-from {
    border-color: #64748b;
}

.checker-hole.last-to {
    border-color: #0f172a;
    box-shadow: 0 0 0 4px rgba(15,23,42,0.14), inset 0 1px 3px rgba(15,23,42,0.18);
}

.controls {
    padding: 18px;
}

.dashboard {
    margin-bottom: 18px;
}

.action-panel {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px;
}

.current-player-display {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 8px;
}

.current-player-indicator,
.player-color-marker {
    display: inline-block;
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--peg-color, #64748b);
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px rgba(15,23,42,0.25);
}

.goal-summary {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.players-grid {
    display: grid;
    gap: 10px;
    margin-bottom: 18px;
}

.player-card {
    --card-accent: var(--peg-color, #64748b);
    border: 1px solid var(--border-color);
    border-left: 6px solid var(--card-accent);
    border-radius: 12px;
    padding: 12px;
    background: #fff;
}

.player-card.active {
    background: #f8fafc;
    box-shadow: 0 0 0 3px rgba(15,23,42,0.08);
}

.player-card.winner {
    border-color: #16a34a;
    background: #f0fdf4;
}

.player-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-weight: 700;
}

.player-card small {
    color: var(--text-muted);
}

.progress-bar {
    width: 100%;
    height: 8px;
    border-radius: 99px;
    background: #e2e8f0;
    overflow: hidden;
    margin-top: 8px;
}

.progress-bar span {
    display: block;
    height: 100%;
    width: var(--progress, 0%);
    background: var(--card-accent);
}

.rules-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #f8fafc;
    padding: 14px 16px;
    margin-bottom: 18px;
}

.rules-card h3 {
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.rules-card ul {
    margin-left: 18px;
    color: var(--text-muted);
}

.rules-card li + li {
    margin-top: 6px;
}

.game-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.game-buttons button {
    flex: 1 1 150px;
}

.players-list .player-color-marker {
    margin-right: 8px;
}

@media (max-width: 980px) {
    .chinese-checkers-layout {
        grid-template-columns: 1fr;
    }

    .controls {
        order: 2;
    }
}

@media (max-width: 640px) {
    .game-container {
        padding: 10px;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .main-area,
    .board-panel,
    .controls {
        padding: 14px;
    }

    .board-title-row {
        flex-direction: column;
    }

    .move-legend {
        justify-content: flex-start;
    }

    .checker-board {
        min-width: 290px;
        width: 100%;
    }

    .checker-hole {
        --hole-size: clamp(13px, 4.2vw, 23px);
        border-width: 1px;
    }

    .peg {
        border-width: 1px;
    }
}