/* ============================================
   宗亲网 - 统一样式表
   创建时间：2026-05-14
   说明：所有页面共享的基础样式
   ============================================ */

/* --- 全局重置 --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* ============================================
   顶部导航栏
   ============================================ */
.main-header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 1.8em;
    font-weight: bold;
    color: #C41E3A;
}

.main-nav {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-item {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 5px;
    transition: all 0.3s;
    white-space: nowrap;
}

.nav-item:hover {
    color: #667eea;
    background: #f5f5f5;
}

.nav-item.active {
    color: #667eea;
    background: #eef0ff;
    font-weight: 600;
}

.nav-logout {
    color: #dc3545 !important;
}

.nav-logout:hover {
    background: #fff5f5 !important;
}

.btn-register {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white !important;
    padding: 8px 20px;
}

.btn-register:hover {
    background: linear-gradient(135deg, #5a6fd6 0%, #6a4190 100%);
    transform: translateY(-2px);
}

/* ============================================
   主内容区域
   ============================================ */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
    min-height: calc(100vh - 150px);
}

/* ============================================
   卡片组件
   ============================================ */
.card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    padding: 25px;
    margin-bottom: 25px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.card-title {
    font-size: 1.4em;
    font-weight: 600;
    color: #333;
}

.card-subtitle {
    color: #888;
    font-size: 0.9em;
}

/* ============================================
   统计卡片（仪表盘用）
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-3px);
}

.stat-value {
    font-size: 2.5em;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 5px;
}

.stat-label {
    color: #888;
    font-size: 0.95em;
}

/* ============================================
   表格样式
   ============================================ */
.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.data-table thead {
    background: #f8f9fa;
}

.data-table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: #555;
    border-bottom: 2px solid #e9ecef;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #eee;
}

.data-table tbody tr:hover {
    background: #f8f9ff;
}

/* ============================================
   按钮样式
   ============================================ */
.btn {
    display: inline-block;
    padding: 10px 22px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
    transition: all 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
}

.btn-secondary:hover {
    background: #5a6268;
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.9em;
}

/* ============================================
   表单样式
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1em;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
}

/* ============================================
   徽章/标签
   ============================================ */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 500;
}

.badge-primary {
    background: #eef0ff;
    color: #667eea;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-info {
    background: #d1ecf1;
    color: #0c5460;
}

/* ============================================
   网格布局
   ============================================ */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* ============================================
   快速入口卡片（首页用）
   ============================================ */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.quick-link-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    text-decoration: none;
    color: #333;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.quick-link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.quick-link-icon {
    font-size: 2.5em;
    margin-bottom: 12px;
}

.quick-link-title {
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 8px;
}

.quick-link-desc {
    color: #888;
    font-size: 0.9em;
}

/* ============================================
   活动列表
   ============================================ */
.activity-list {
    list-style: none;
}

.activity-item {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #eef0ff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2em;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    margin-bottom: 4px;
}

.activity-time {
    color: #888;
    font-size: 0.85em;
}

/* ============================================
   分页导航
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}

.pagination a,
.pagination span {
    padding: 8px 14px;
    border: 1px solid #ddd;
    border-radius: 6px;
    text-decoration: none;
    color: #666;
    transition: all 0.2s;
}

.pagination a:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.pagination .active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* ============================================
   页脚
   ============================================ */
.main-footer {
    background: rgba(0, 0, 0, 0.2);
    color: white;
    text-align: center;
    padding: 25px 20px;
    margin-top: 40px;
}

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

/* ============================================
   响应式布局
   ============================================ */
@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .main-nav {
        gap: 4px;
    }
    
    .nav-item {
        padding: 6px 10px;
        font-size: 0.9em;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        margin-top: 10px;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-links {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   工具类
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: #888; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }