/**
 * 棋盘样式
 */

.board-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 20px;
}

.board-wrapper {
    position: relative;
    display: inline-block;
}

#game-board {
    border: 2px solid var(--border-color, #333);
    border-radius: var(--border-radius, 8px);
    background-color: var(--board-bg, #deb887);
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

#game-board:hover {
    transform: scale(1.01);
}

.board-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius, 8px);
    backdrop-filter: blur(4px);
}

.overlay-content {
    text-align: center;
    color: white;
    padding: 40px;
}

.overlay-content h2 {
    margin-bottom: 16px;
    font-size: 24px;
}

.overlay-content p {
    margin-bottom: 24px;
    opacity: 0.9;
}

.board-controls {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.btn-control {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--surface-color, #fff);
    border: 2px solid var(--border-color, #ddd);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 20px;
}

.btn-control:hover {
    background-color: var(--primary-color, #2196f3);
    color: white;
    transform: scale(1.1);
}

.btn-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* 棋子预览 */
.stone-preview {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.stone-preview.black {
    background: radial-gradient(circle at 30% 30%, #555, #000);
}

.stone-preview.white {
    background: radial-gradient(circle at 30% 30%, #fff, #ddd);
    border: 1px solid #ccc;
}

/* 玩家信息卡片 */
.players-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    width: 100%;
    max-width: 600px;
}

.player-card {
    background-color: var(--surface-color, #fff);
    border-radius: var(--border-radius, 8px);
    padding: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.player-card.active {
    border-color: var(--primary-color, #2196f3);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.2);
}

.player-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.player-name {
    font-weight: 500;
    font-size: 16px;
}

.player-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
}

.stat {
    font-size: 14px;
    color: var(--text-secondary, #666);
}

.stat-value {
    font-weight: 500;
    color: var(--text-primary, #333);
}

.player-timer {
    background-color: var(--bg-secondary, #f5f5f5);
    border-radius: var(--border-radius, 4px);
    padding: 8px;
    text-align: center;
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

.timer-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 2px;
    background-color: var(--primary-color, #2196f3);
    transition: width 1s linear;
    width: 100%;
}

.timer-text {
    position: relative;
    z-index: 1;
}

/* 游戏状态栏 */
.game-status-bar {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 16px;
    background-color: var(--surface-color, #fff);
    border-radius: var(--border-radius, 8px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.status-item {
    display: flex;
    gap: 8px;
    align-items: center;
}

.status-label {
    font-weight: 500;
    color: var(--text-secondary, #666);
}

.status-value {
    font-weight: 700;
    color: var(--primary-color, #2196f3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .board-container {
        padding: 10px;
        gap: 15px;
    }
    
    #game-board {
        max-width: 100%;
        height: auto;
    }
    
    .board-controls {
        flex-wrap: wrap;
    }
    
    .players-info {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .game-status-bar {
        gap: 12px;
        padding: 12px;
    }
    
    .status-item {
        font-size: 14px;
    }
}