/* 蜘蛛池后台管理系统样式 */

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

body {
    font-family: 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* 顶部导航栏 */
.top-nav {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info a {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 4px;
    transition: background 0.3s;
}

.user-info a:hover {
    background: rgba(255,255,255,0.2);
}

/* 主容器 */
.container {
    display: flex;
    min-height: calc(100vh - 60px);
}

/* 侧边栏 */
.sidebar {
    width: 250px;
    background: #2c3e50;
    padding: 20px 0;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

.nav-menu {
    list-style: none;
}

.nav-menu li {
    margin-bottom: 5px;
}

.nav-menu a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: #34495e;
    color: #3498db;
    border-right: 3px solid #3498db;
}

.nav-menu .icon {
    margin-right: 10px;
    width: 16px;
}

/* 主内容区 */
.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

/* 页面标题 */
.page-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e9ecef;
}

.page-title {
    font-size: 28px;
    color: #2c3e50;
    margin-bottom: 5px;
}

.page-subtitle {
    color: #6c757d;
    font-size: 14px;
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    background: #f8f9fa;
    padding: 15px 20px;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
}

.card-body {
    padding: 20px;
}

/* 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: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2ecc71);
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 5px;
}

.stat-label {
    color: #6c757d;
    font-size: 14px;
}

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

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 8px 16px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.btn:hover {
    background: #2980b9;
    transform: translateY(-1px);
}

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

.btn-success:hover {
    background: #219a52;
}

.btn-danger {
    background: #e74c3c;
}

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

.btn-warning {
    background: #f39c12;
}

.btn-warning:hover {
    background: #d68910;
}

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

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

.form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #2c3e50;
}

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

/* 状态徽章 */
.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 12px;
    color: white;
    font-weight: 500;
}

.badge-success {
    background: #27ae60;
}

.badge-danger {
    background: #e74c3c;
}

.badge-warning {
    background: #f39c12;
}

.badge-info {
    background: #3498db;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
}

.page-link {
    padding: 8px 12px;
    border: 1px solid #ddd;
    color: #3498db;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s;
}

.page-link:hover {
    background: #3498db;
    color: white;
}

.page-link.active {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        order: 2;
    }
    
    .main-content {
        order: 1;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .table-responsive {
        font-size: 12px;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 消息提示 */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    border: 1px solid transparent;
}

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

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

/* 工具栏 */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.toolbar-left,
.toolbar-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* 搜索框 */
.search-box {
    position: relative;
    display: inline-block;
}

.search-box input {
    padding-left: 35px;
}

.search-box::before {
    content: '🔍';
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
}