/* 后台管理系统样式 */

/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

/* 管理后台容器 */
.admin-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* 侧边栏样式 */
.sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: #ecf0f1;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    overflow-y: auto;
}

.sidebar.collapsed {
    width: 60px;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #34495e;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo h2 {
    font-size: 18px;
    margin: 0;
}

.sidebar.collapsed .logo h2 {
    display: none;
}

/* 侧边栏菜单 */
.sidebar-menu {
    flex: 1;
    padding: 20px 0;
}

.menu-item {
    position: relative;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #ecf0f1;
    text-decoration: none;
    transition: all 0.3s ease;
}

.menu-link:hover {
    background-color: #34495e;
    color: #3498db;
}

.menu-link i {
    font-size: 16px;
    width: 20px;
    text-align: center;
    margin-right: 10px;
}

.menu-dropdown .menu-link {
    justify-content: space-between;
}

.dropdown-icon {
    transition: transform 0.3s ease;
}

.menu-dropdown.open .dropdown-icon {
    transform: rotate(180deg);
}

.submenu {
    background-color: #34495e;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.menu-dropdown.open .submenu {
    max-height: 500px;
}

.submenu-link {
    display: block;
    padding: 10px 20px 10px 50px;
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
}

.submenu-link:hover {
    background-color: #1abc9c;
    color: #fff;
}

.menu-item.active .menu-link {
    background-color: #3498db;
    color: #fff;
}

.menu-item.active .submenu-link.active {
    background-color: #2980b9;
    color: #fff;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* 顶部导航栏 */
.top-navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    z-index: 1000;
}

.navbar-left .sidebar-toggle {
    background: none;
    border: none;
    font-size: 20px;
    color: #333;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.navbar-left .sidebar-toggle:hover {
    background-color: #f8f9fa;
}

.navbar-center .breadcrumb {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #3498db;
    text-decoration: none;
}

.breadcrumb .separator {
    margin: 0 10px;
    color: #999;
}

.navbar-right {
    display: flex;
    align-items: center;
}

.search-box {
    position: relative;
    margin-right: 20px;
}

.search-input {
    width: 200px;
    padding: 6px 12px 6px 36px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.search-btn {
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
}

.notification {
    position: relative;
    margin-right: 20px;
}

.notification-btn {
    background: none;
    border: none;
    font-size: 20px;
    color: #333;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.notification-btn:hover {
    background-color: #f8f9fa;
}

.notification-btn .badge {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 10px;
    padding: 2px 6px;
}

.user-profile {
    display: flex;
    align-items: center;
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 10px;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-info {
    text-align: right;
}

.user-name {
    display: block;
    font-weight: 600;
    color: #333;
}

.user-role {
    display: block;
    font-size: 12px;
    color: #999;
}

.user-dropdown .dropdown-btn {
    background: none;
    border: none;
    font-size: 16px;
    color: #999;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    margin-left: 10px;
    transition: all 0.3s ease;
}

.user-dropdown .dropdown-btn:hover {
    background-color: #f8f9fa;
    color: #333;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 180px;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    overflow: hidden;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.user-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: #3498db;
}

.dropdown-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.dropdown-divider {
    border-top: 1px solid #eee;
    margin: 0;
}

/* 页面内容 */
.page-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background-color: #f8f9fa;
}

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

.page-header h1 {
    font-size: 24px;
    margin-bottom: 8px;
    color: #2c3e50;
}

.page-description {
    color: #666;
    margin: 0;
}

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

.stat-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    margin-right: 20px;
}

.stat-content {
    flex: 1;
}

.stat-title {
    font-size: 14px;
    color: #999;
    margin: 0 0 8px 0;
    font-weight: normal;
}

.stat-number {
    font-size: 28px;
    font-weight: 600;
    color: #2c3e50;
    margin: 0 0 8px 0;
}

.stat-trend {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
}

.stat-trend.positive {
    background-color: rgba(52, 152, 219, 0.1);
    color: #3498db;
}

.stat-trend.negative {
    background-color: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
}

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

.chart-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.chart-header h3 {
    font-size: 18px;
    margin: 0;
    color: #2c3e50;
}

.chart-filter {
    display: flex;
    gap: 8px;
}

.filter-btn {
    padding: 6px 12px;
    border: 1px solid #ddd;
    background-color: #fff;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: #f8f9fa;
}

.filter-btn.active {
    background-color: #3498db;
    color: #fff;
    border-color: #3498db;
}

.chart-body {
    position: relative;
    height: 300px;
}

/* 最近活动表格 */
.recent-activity {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.activity-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.activity-header h3 {
    font-size: 18px;
    margin: 0;
    color: #2c3e50;
}

.view-all {
    color: #3498db;
    text-decoration: none;
    font-size: 14px;
}

.view-all:hover {
    text-decoration: underline;
}

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

.activity-body th,
.activity-body td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.activity-body th {
    font-weight: 600;
    color: #666;
    background-color: #f8f9fa;
}

.activity-body tr:hover {
    background-color: #f8f9fa;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.form-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background-color: #fff;
    transition: all 0.3s ease;
}

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

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-primary {
    color: #fff;
    background-color: #3498db;
    border-color: #3498db;
}

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

.btn-success {
    color: #fff;
    background-color: #2ecc71;
    border-color: #2ecc71;
}

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

.btn-danger {
    color: #fff;
    background-color: #e74c3c;
    border-color: #e74c3c;
}

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

.btn-warning {
    color: #fff;
    background-color: #f39c12;
    border-color: #f39c12;
}

.btn-warning:hover {
    background-color: #e67e22;
    border-color: #e67e22;
}

.btn-info {
    color: #fff;
    background-color: #1abc9c;
    border-color: #1abc9c;
}

.btn-info:hover {
    background-color: #16a085;
    border-color: #16a085;
}

.btn-outline-primary {
    color: #3498db;
    background-color: transparent;
    border-color: #3498db;
}

.btn-outline-primary:hover {
    color: #fff;
    background-color: #3498db;
    border-color: #3498db;
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
}

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

.table th {
    font-weight: 600;
    color: #666;
    background-color: #f8f9fa;
}

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

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

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

.pagination li {
    margin: 0 5px;
}

.pagination a {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid #ddd;
    background-color: #fff;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.pagination a:hover {
    background-color: #f8f9fa;
    border-color: #3498db;
    color: #3498db;
}

.pagination .active a {
    background-color: #3498db;
    border-color: #3498db;
    color: #fff;
}

/* 徽章样式 */
.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    text-align: center;
}

.badge-primary {
    background-color: #3498db;
    color: #fff;
}

.badge-success {
    background-color: #2ecc71;
    color: #fff;
}

.badge-danger {
    background-color: #e74c3c;
    color: #fff;
}

.badge-warning {
    background-color: #f39c12;
    color: #fff;
}

.badge-info {
    background-color: #1abc9c;
    color: #fff;
}

/* 提示框样式 */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    position: relative;
}

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

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

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.alert-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: inherit;
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-dialog {
    background-color: #fff;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    transform: translateY(-50px);
    transition: transform 0.3s ease;
}

.modal.show .modal-dialog {
    transform: translateY(0);
}

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

.modal-title {
    font-size: 18px;
    margin: 0;
    color: #2c3e50;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background-color: #f8f9fa;
    color: #333;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -250px;
        top: 0;
        height: 100vh;
        z-index: 2000;
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .charts-section {
        grid-template-columns: 1fr;
    }
    
    .navbar-right {
        position: relative;
    }
    
    .search-box {
        position: absolute;
        right: 0;
        top: 100%;
        margin-top: 10px;
        background-color: #fff;
        padding: 10px;
        border-radius: 4px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        z-index: 1000;
        display: none;
    }
    
    .search-box.active {
        display: block;
    }
    
    .search-input {
        width: 250px;
    }
    
    .user-info {
        display: none;
    }
}

/* 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); }
}

/* 工具提示 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 4px;
    padding: 5px;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 12px;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #999;
}