/* ========== 数据分析模块样式 ========== */

/* 三级导航容器 */
.data-analysis-layout {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 56px);
}

/* 三级导航 */
.data-third-nav {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.data-third-nav-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all .15s;
    font-size: 14px;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.data-third-nav-item:hover {
    color: var(--text);
    background: var(--bg-hover);
}

.data-third-nav-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 500;
}

.data-third-nav-item .nav-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* 分析内容区域 */
.data-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

/* 筛选工具栏 */
.data-filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.data-filter-bar .filter-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.data-filter-bar select,
.data-filter-bar input[type="date"],
.data-filter-bar input[type="text"] {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--card-bg);
    color: var(--text);
    outline: none;
    transition: border-color .2s;
}

.data-filter-bar select:focus,
.data-filter-bar input:focus {
    border-color: var(--primary);
    background: #fff;
}

.data-filter-bar .date-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.data-filter-bar .date-range span {
    color: var(--text-secondary);
}

/* 统计卡片行 */
.data-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.data-stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.data-stat-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
}

.data-stat-card:nth-child(2)::before { background: var(--success); }
.data-stat-card:nth-child(3)::before { background: var(--warning); }
.data-stat-card:nth-child(4)::before { background: #9333ea; }
.data-stat-card:nth-child(5)::before { background: #06b6d4; }
.data-stat-card:nth-child(6)::before { background: #f43f5e; }
.data-stat-card:nth-child(7)::before { background: #84cc16; }
.data-stat-card:nth-child(8)::before { background: #f97316; }
.data-stat-card:nth-child(9)::before { background: #8b5cf6; }

.data-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.data-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

.data-stat-value.positive {
    color: var(--success);
}

.data-stat-value.negative {
    color: var(--error);
}

.data-stat-change {
    font-size: 12px;
    margin-top: 4px;
}

.data-stat-change.up {
    color: var(--success);
}

.data-stat-change.down {
    color: var(--error);
}

/* 数据表格 */
.data-table-wrap {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 20px;
}

.data-table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-light);
}

.data-table-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.data-table-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.data-table th {
    background: #F8FAFB;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table .num {
    font-family: 'SF Mono', Monaco, monospace;
    text-align: right;
}

.data-table .positive {
    color: var(--success);
}

.data-table .negative {
    color: var(--error);
}

/* 图表容器 */
.data-chart-container {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.data-chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.data-chart-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.data-chart {
    height: 300px;
    min-height: 300px;
}

/* 分页 */
.data-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 16px;
}

.data-pagination button {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
}

.data-pagination button:hover {
    background: var(--primary-light);
}

.data-pagination button.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.data-pagination button:disabled {
    opacity: .4;
    cursor: not-allowed;
}

/* 快速日期选择按钮组 */
.data-quick-dates {
    display: flex;
    gap: 4px;
}

.data-quick-date-btn {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all .15s;
}

.data-quick-date-btn:hover {
    background: var(--bg-hover);
    color: var(--text);
}

.data-quick-date-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* 空状态 */
.data-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.data-empty-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    opacity: 0.5;
}

.data-empty-text {
    font-size: 15px;
    margin-bottom: 8px;
}

.data-empty-hint {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* 加载状态 */
.data-loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.data-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin .6s linear infinite;
    margin: 0 auto 12px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 响应式 */
@media (max-width: 768px) {
    .data-stats-row {
        grid-template-columns: 1fr 1fr;
    }

    .data-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .data-filter-bar select,
    .data-filter-bar input {
        width: 100%;
    }

    .data-third-nav {
        padding: 0 12px;
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .data-third-nav-item {
        padding: 10px 12px;
        font-size: 13px;
    }
}