/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1976d2;
    --secondary-color: #2196f3;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    --text-color: #333;
    --bg-color: #f5f5f5;
    --white: #ffffff;
    --border-color: #ddd;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
                 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部 */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 30px 0;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

/* 主内容 */
main {
    padding: 30px 0;
}

/* 搜索和筛选 */
.filter-section {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-box input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.search-box button,
.reset-btn {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.search-box button:hover,
.reset-btn:hover {
    background-color: #1565c0;
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-group label {
    font-weight: 500;
    white-space: nowrap;
}

.filter-group select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.95rem;
    min-width: 120px;
}

.reset-btn {
    margin-left: auto;
    background-color: #666;
}

.reset-btn:hover {
    background-color: #555;
}

/* 统计信息 */
.stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.stat-item {
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* 表格 */
.table-section {
    background: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

thead {
    background-color: #f8f9fa;
}

th {
    padding: 15px 12px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

td {
    padding: 12px;
    border-bottom: 1px solid #f0f0f0;
}

tbody tr:hover {
    background-color: #f8f9fa;
}

.score-item {
    margin: 4px 0;
    font-size: 0.95rem;
}

.score-type {
    color: #666;
    font-size: 0.85rem;
}

.trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

.trend-up {
    background-color: #e8f5e9;
    color: var(--success-color);
}

.trend-down {
    background-color: #ffebee;
    color: var(--danger-color);
}

.trend-stable {
    background-color: #f5f5f5;
    color: #666;
}

.view-chart-btn {
    padding: 6px 16px;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.view-chart-btn:hover {
    background-color: #1976d2;
}

.no-results {
    text-align: center;
    padding: 40px;
    color: #666;
    font-size: 1.1rem;
}

/* 模态框 */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: #000;
}

.chart-container {
    margin-top: 20px;
    height: 400px;
}

/* 页脚 */
footer {
    background-color: var(--white);
    padding: 30px 0;
    margin-top: 40px;
    text-align: center;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.05);
}

footer p {
    margin: 8px 0;
    color: #666;
}

.disclaimer {
    font-size: 0.9rem;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
    }

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

    .filter-group label {
        margin-bottom: 4px;
    }

    .filter-group select {
        width: 100%;
    }

    .reset-btn {
        margin-left: 0;
        width: 100%;
    }

    .stats {
        flex-direction: column;
    }

    .table-container {
        border-radius: 8px;
    }

    table {
        font-size: 0.9rem;
    }

    th, td {
        padding: 10px 8px;
    }

    .modal-content {
        width: 95%;
        padding: 20px;
    }

    .chart-container {
        height: 300px;
    }
}

/* 打印样式 */
@media print {
    header,
    .filter-section,
    .stats,
    footer,
    .view-chart-btn {
        display: none;
    }

    body {
        background: white;
    }

    .table-section {
        box-shadow: none;
    }
}