/* NoPUA后台管理系统样式 */

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

:root {
    --primary-color: #3498db;
    --secondary-color: #95a5a6;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --dark-color: #2c3e50;
    --sidebar-bg: #34495e;
    --sidebar-hover: #2c3e50;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', sans-serif;
    background: #ecf0f1;
    color: #333;
}

/* 登录页面 */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: #fff;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.login-header h1 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.login-header p {
    color: #666;
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.login-form input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
}

.login-footer p {
    font-size: 12px;
    color: #666;
}

/* 后台布局 */
.admin-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-header {
    background: #fff;
    box-shadow: var(--shadow);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--dark-color);
    padding: 8px;
}

.admin-header h1 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    color: var(--dark-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
}

/* 侧边栏 */
.admin-sidebar {
    width: 250px;
    background: var(--sidebar-bg);
    min-height: calc(100vh - 70px);
    position: fixed;
    left: 0;
    top: 70px;
    overflow-y: auto;
    transition: transform 0.3s;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    position: relative;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 25px;
    color: #ecf0f1;
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-nav a:hover,
.sidebar-nav li.active a {
    background: var(--sidebar-hover);
    color: #fff;
}

.sidebar-nav i {
    width: 20px;
    text-align: center;
}

.sidebar-nav .badge {
    margin-left: auto;
    background: var(--danger-color);
    color: #fff;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

/* 主内容区 */
.admin-content {
    margin-left: 250px;
    padding: 30px;
    flex: 1;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.content-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 28px;
    color: var(--dark-color);
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-secondary {
    background: var(--secondary-color);
    color: #fff;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-success {
    background: var(--success-color);
    color: #fff;
}

.btn-success:hover {
    background: #27ae60;
}

.btn-danger {
    background: var(--danger-color);
    color: #fff;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-info {
    background: var(--info-color);
    color: #fff;
}

.btn-info:hover {
    background: #2980b9;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* 卡片 */
.card {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 20px;
    color: var(--dark-color);
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
}

.stat-info h3 {
    font-size: 32px;
    margin: 0 0 5px 0;
    color: var(--dark-color);
}

.stat-info p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

/* 仪表板网格 */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 20px;
}

.dashboard-section {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.dashboard-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 18px;
}

/* 表格 */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table thead {
    background: var(--dark-color);
    color: #fff;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.data-table tbody tr:hover {
    background: #f8f9fa;
}

.data-table code {
    background: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

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

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

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

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

/* 提示框 */
.alert {
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 筛选栏 */
.filter-bar {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

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

.filter-form .form-group {
    margin: 0;
}

.filter-form select,
.filter-form input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

/* 批量操作 */
.bulk-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.bulk-actions select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

/* 按钮组 */
.btn-group {
    display: flex;
    gap: 10px;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: #fff;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 5px 30px rgba(0,0,0,0.3);
}

.modal-large {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid #ddd;
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 20px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #999;
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal form {
    padding: 25px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px 25px;
    border-top: 1px solid #ddd;
}

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

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

/* 审核卡片 */
.review-card {
    margin-bottom: 30px;
}

.review-header {
    margin-bottom: 20px;
}

.review-header h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.review-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 14px;
    color: #666;
}

.review-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.review-content {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 5px;
    margin-bottom: 20px;
    line-height: 1.8;
}

.review-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* 设置标签页 */
.settings-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 5px 5px 0 0;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

/* 响应式 */
@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .filter-bar {
        flex-direction: column;
    }
    
    .filter-form {
        flex-direction: column;
        width: 100%;
    }
    
    .filter-form .form-group {
        width: 100%;
    }
}