/**
 * 游戏通用样式
 */

/* 游戏容器通用样式 */
.game-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1a1a2e;
    z-index: 1000;
    overflow: hidden;
}

/* 游戏中心样式 */
.game-center-page {
    padding: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.game-center-header {
    text-align: center;
    margin-bottom: 32px;
}

.game-center-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.game-center-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 知识点选择 */
.knowledge-selector {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 24px;
}

.knowledge-selector h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.knowledge-tree {
    max-height: 300px;
    overflow-y: auto;
}

.knowledge-item {
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.knowledge-item:hover {
    background: var(--accent-secondary-soft);
}

.knowledge-item.selected {
    background: rgba(3, 218, 198, 0.15);
    border: 1px solid rgba(3, 218, 198, 0.3);
}

.knowledge-item .icon {
    font-size: 16px;
}

.knowledge-item .name {
    font-size: 14px;
    color: var(--text-primary);
}

/* 游戏卡片网格 */
.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.game-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.game-card:hover {
    transform: translateY(-4px);
    border-color: rgba(3, 218, 198, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.game-card:hover::before {
    opacity: 1;
}

.game-card .game-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.game-card .game-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.game-card .game-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
}

.game-card .game-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.game-card .game-tag {
    font-size: 11px;
    padding: 4px 10px;
    background: var(--bg-elevated);
    border-radius: 999px;
    color: var(--text-muted);
}

/* 游戏记录样式 */
.game-record-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.game-record-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.game-record-item .record-icon {
    font-size: 32px;
}

.game-record-item .record-info {
    flex: 1;
}

.game-record-item .record-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.game-record-item .record-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.game-record-item .record-score {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-secondary);
}

/* 家长管控样式 */
.game-control-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}

.game-control-panel h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.control-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
}

.control-row:last-child {
    border-bottom: none;
}

.control-label {
    font-size: 14px;
    color: var(--text-primary);
}

.control-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* 游戏类型多选 */
.game-type-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
}

.game-type-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.game-type-checkbox:hover {
    border-color: var(--accent-secondary);
}

.game-type-checkbox.checked {
    background: rgba(3, 218, 198, 0.15);
    border-color: var(--accent-secondary);
}

.game-type-checkbox input {
    display: none;
}

.game-type-checkbox .checkbox-icon {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-medium);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.game-type-checkbox.checked .checkbox-icon {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.game-type-checkbox.checked .checkbox-icon::after {
    content: '✓';
    color: #000;
    font-size: 12px;
    font-weight: 700;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .game-center-page {
        padding: 16px;
    }

    .game-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .game-card {
        padding: 20px;
    }

    .game-card .game-icon {
        font-size: 40px;
    }

    .game-card .game-name {
        font-size: 18px;
    }

    .game-record-item {
        flex-wrap: wrap;
    }

    .game-record-item .record-score {
        width: 100%;
        text-align: right;
    }
}