/**
 * 学生成绩分析系统 - 布局样式
 */

/* 主要内容布局 */
.main-content {
    flex: 1;
    padding: 30px;
    max-width: 100vw;
}

/* 头部布局 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.title-container {
    display: flex;
    flex-direction: column;
    min-width: 200px;
}

.subtitle-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

/* 工具栏 */
.toolbar {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}

/* 统一控制卡片 */
.unified-control-card {
    background: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.control-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    gap: 20px;
    flex-wrap: wrap;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 1px solid #eee;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0; /* 允许内容收缩 */
}

.control-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    min-width: 50px;
    line-height: 1.4;
}

/* 模式组样式 */
.mode-group .mode-switcher {
    display: flex;
    gap: 0;
    background: white;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.mode-group .mode-btn {
    padding: 6px 14px;
    border: none;
    background: white;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border-right: 1px solid #eee;
    line-height: 1.4;
}

.mode-group .mode-btn:last-child {
    border-right: none;
}

.mode-group .mode-btn:hover {
    background: #f5f5f5;
    color: var(--text-primary);
}

.mode-group .mode-btn.active {
    background: var(--primary-color);
    color: white;
}

/* 班级组样式 */
.class-group .compact-select {
    min-width: 120px;
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: white;
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.4;
    height: 32px;
}

/* 学科组样式 */
.subject-group {
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.subject-group .subject-tabs-container {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.subject-group .subject-quick-switch-inline {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

/* 操作组样式 */
.action-group .compact-btn {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 6px;
    white-space: nowrap;
    line-height: 1.4;
    height: 32px;
    display: flex;
    align-items: center;
}



/* 响应式设计 */
@media (max-width: 768px) {
    .control-row {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    
    .control-group {
        justify-content: space-between;
        width: 100%;
    }
    
    .control-label {
        min-width: 80px;
    }
    
    .subject-group {
        min-width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .subject-group .subject-tabs-container,
    .subject-group .subject-quick-switch-inline {
        width: 100%;
        justify-content: flex-start;
    }
}

/* 统计卡片网格 */
.statistics-grid {
    display: grid;
    gap: 16px;
    margin-bottom: 24px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    align-items: stretch;
}

.statistics-grid.dashboard-stats {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* 内容网格 */
.content-grid {
    display: block;
    margin-bottom: 24px;
}

.dashboard-main {
    display: grid;
    grid-template-columns: 35% 65%; /* 与上层统计卡片对齐 */
    gap: 20px;
    align-items: stretch;
    margin-bottom: 20px;
}

.dashboard-left,
.dashboard-right {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 多科目对比容器 */
.compare-container {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 图表区域 */
.chart-section {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    min-height: 600px;
    margin-bottom: 20px;
}

.chart-container {
    padding: 20px;
    min-height: 400px;
}

/* 对比控制区 */
.compare-controls {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 20px;
    background: white;
    position: relative;
    margin-top: auto;
}

/* 排序控制 */
.sort-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 底部导航 */
.footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-secondary);
    font-size: 12px;
    border-top: 1px solid var(--border-color);
    margin-top: 30px;
}

/* 多学科分析指标卡片容器 */
.metrics-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

/* 多学科概览 */
.multi-subject-overview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

/* 学科快速切换 */
.subject-quick-switch {
    display: flex;
    margin-left: 16px;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

/* 设置标签页 */
.settings-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding: 0 20px;
}

/* 模式切换器 */
.mode-switcher {
    display: flex;
    margin-bottom: 20px;
    align-items: center;
    flex-wrap: wrap;
}