/* 价格分析页面样式 */
.analysis-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* 统计卡片样式 */
.stats-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stats-card h3 {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
    color: var(--text-color);
}

.stats-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1890ff;
}

.stats-card:nth-child(1) .stats-value {
    color: #ff4d4f; /* 最高价 - 红色 */
}

.stats-card:nth-child(2) .stats-value {
    color: #52c41a; /* 最低价 - 绿色 */
}

.stats-card:nth-child(3) .stats-value {
    color: #1890ff; /* 平均价 - 蓝色 */
}

.stats-card:nth-child(4) .stats-value {
    color: #faad14; /* 波动率 - 黄色 */
}

.stats-detail {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.4;
}

/* 图表区域样式 */
.chart-section {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--card-shadow);
}

.chart-section h2 {
    margin: 0 0 1.5rem 0;
    font-size: 1.3rem;
    color: var(--text-color);
}

.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
}

/* 控制面板样式 */
.control-panel {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--card-shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    font-size: 0.9rem;
}

.form-group select[multiple] {
    height: 120px;
}

.control-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.update-btn,
.download-btn,
.demo-data-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.update-btn {
    background-color: #1890ff;
    color: white;
}

.update-btn:hover {
    background-color: #40a9ff;
}

.download-btn {
    background-color: #52c41a;
    color: white;
}

.download-btn:hover {
    background-color: #73d13d;
}

.demo-data-btn {
    background-color: #4CAF50;
    color: white;
}

.demo-data-btn:hover {
    background-color: #45a049;
}

.demo-data-btn i {
    font-size: 1rem;
}

/* 对比表格样式优化 */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.comparison-table th,
.comparison-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    font-weight: 600;
    background: #f5f7fa;
    color: var(--text-color);
}

.comparison-table td {
    color: #666;
}

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

.group-header {
    background: #f0f5ff;
    color: #1890ff;
    font-weight: 600;
    font-size: 1rem;
}

/* 通知容器 */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
}

.notification {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    width: 300px;
    position: relative;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification h4 {
    margin: 0 0 0.5rem 0;
    color: #1890ff;
    font-size: 1rem;
}

.notification p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .analysis-container {
        grid-template-columns: 1fr;
    }

    .control-buttons {
        flex-direction: column;
    }

    .control-buttons button {
        width: 100%;
    }

    .chart-container {
        height: 300px;
    }

    .notification {
        width: calc(100% - 40px);
        max-width: 400px;
    }
}

@media (min-width: 1200px) {
    .chart-container {
        height: 500px;
    }

    #analysisChart {
        max-height: 500px;
    }
}

/* 确保图表容器不会闪烁和溢出 */
#analysisChart {
    width: 100% !important;
    height: 100% !important;
    max-height: 400px;
}

/* 空数据状态样式 */
.empty-state-cell {
    text-align: center;
    padding: 2rem !important;
    color: #999;
    font-style: italic;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .analysis-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .analysis-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .control-buttons {
        flex-direction: column;
    }
    
    .comparison-table {
        display: block;
        overflow-x: auto;
    }
}