* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-primary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* 头部样式 */
.header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 总览卡片 */
.overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
}

.card-icon {
    font-size: 3rem;
    margin-right: 16px;
}

.card-content h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.card-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.card-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 图表区域 */
.charts-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-container {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.chart-container h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

/* 排行榜 */
.ranking-section {
    margin-bottom: 30px;
}

.ranking-container {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.ranking-container h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.ranking-item {
    display: flex;
    align-items: center;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    transition: transform 0.2s ease;
}

.ranking-item:hover {
    transform: translateX(5px);
}

.ranking-rank {
    font-size: 1.5rem;
    font-weight: bold;
    width: 50px;
    text-align: center;
}

.ranking-rank.gold { color: #fbbf24; }
.ranking-rank.silver { color: #94a3b8; }
.ranking-rank.bronze { color: #b45309; }

.ranking-name {
    flex: 1;
    font-weight: 500;
}

.ranking-count {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* 表格区域 */
.tables-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.table-container {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.table-container h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
}

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

.data-table th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
}

.data-table tr:hover {
    background-color: #f1f5f9;
}

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

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-active {
    background-color: #dcfce7;
    color: #166534;
}

.status-inactive {
    background-color: #fee2e2;
    color: #991b1b;
}

.mode-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    background-color: #e0e7ff;
    color: #3730a3;
}

/* 仓库区域 */
.repo-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
}

.repo-section h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.repo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.repo-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 8px;
    padding: 16px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.repo-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.repo-name {
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.repo-category {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    background-color: var(--primary-color);
    color: white;
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.repo-meta {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8rem;
    }

    .overview-cards {
        grid-template-columns: 1fr;
    }

    .charts-section {
        grid-template-columns: 1fr;
    }

    .tables-section {
        grid-template-columns: 1fr;
    }
}