/* 昆明骑行者画像 - 样式 */
:root {
    --primary: #2563EB;
    --primary-light: #DBEAFE;
    --accent: #F59E0B;
    --bg: #F8FAFC;
    --card: #FFFFFF;
    --text: #1E293B;
    --text-light: #64748B;
    --border: #E2E8F0;
    --radius: 12px;
}

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

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

/* 导航 */
.navbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand a {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links a {
    margin-left: 1.5rem;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* 统计卡片网格 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.3rem;
}

/* 图表 */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.chart-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.chart-card h3 {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-light);
}

/* 排行榜 */
.ranking-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 1.5rem 0;
}

.tab {
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--card);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}
.tab:hover { border-color: var(--primary); color: var(--primary); }
.tab.active { background: var(--primary); color: white; border-color: var(--primary); }

.ranking-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}
.ranking-table th, .ranking-table td {
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.ranking-table th {
    background: var(--bg);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-light);
}
.ranking-table td a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.ranking-table td a:hover { text-decoration: underline; }
.ranking-table td.value { font-weight: 600; }

/* 用户详情 */
.profile-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}
.profile-header h1 { font-size: 1.5rem; }

.badge {
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}
.badge.level { background: var(--primary-light); color: var(--primary); }

.profile-info p {
    margin: 0.4rem 0;
    color: var(--text-light);
}

/* 搜索 */
.search-box {
    display: flex;
    gap: 0.5rem;
    margin: 1.5rem 0;
    max-width: 500px;
}
.search-box input {
    flex: 1;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}
.search-box input:focus { border-color: var(--primary); }
.search-box button {
    padding: 0.8rem 1.5rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
}

.results-list { margin-top: 1rem; }
.result-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.result-type { font-size: 0.8rem; opacity: 0.7; }
.result-item a { color: var(--primary); text-decoration: none; font-weight: 600; }
.result-meta { font-size: 0.8rem; color: var(--text-light); }

/* 通用 */
h1 { margin-bottom: 0.5rem; }
.subtitle { color: var(--text-light); margin-bottom: 1rem; }
.hint { color: var(--text-light); font-size: 0.9rem; }
.loading { color: var(--text-light); padding: 2rem; text-align: center; }
.error { color: #DC2626; padding: 2rem; text-align: center; }
.empty { color: var(--text-light); padding: 2rem; text-align: center; }

.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

/* 响应式 */
@media (max-width: 768px) {
    .navbar { padding: 0.8rem 1rem; }
    .nav-links a { margin-left: 1rem; font-size: 0.9rem; }
    .container { padding: 1rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .charts-grid { grid-template-columns: 1fr; }
}