/* 全局变量 */
:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.1);
    --secondary: #64748b;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    
    --header-height: 64px;
    --sidebar-width: 260px;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* 登录页面 */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo .logo-icon {
    width: 64px;
    height: 64px;
    color: var(--primary);
    margin-bottom: 16px;
}

.login-logo h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.password-input {
    position: relative;
}

.password-input input {
    width: 100%;
    padding-right: 44px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
}

.toggle-password:hover {
    color: var(--text-primary);
}

.eye-icon {
    width: 20px;
    height: 20px;
}

.login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.login-btn:hover {
    background: var(--primary-hover);
}

.login-btn:active {
    transform: scale(0.98);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.login-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 12px;
    border-radius: var(--border-radius);
    font-size: 14px;
    text-align: center;
}

/* 主应用 */
.main-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 顶部导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    padding: 8px;
}

.menu-toggle svg {
    width: 24px;
    height: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo .logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.notification-btn {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 8px;
}

.notification-btn:hover {
    color: var(--text-primary);
}

.notification-btn svg {
    width: 24px;
    height: 24px;
}

.notification-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.user-avatar svg {
    width: 20px;
    height: 20px;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
}

.logout-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 8px;
}

.logout-btn:hover {
    color: var(--danger);
}

.logout-btn svg {
    width: 20px;
    height: 20px;
}

/* 侧边栏 */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    z-index: 90;
    transition: transform 0.3s;
}

.sidebar-nav {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.2s;
}

.nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-item svg {
    width: 20px;
    height: 20px;
}

.nav-item span {
    font-size: 14px;
    font-weight: 500;
}

/* 主内容区 */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: 24px;
    min-height: calc(100vh - var(--header-height));
}

/* 页面 */
.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 700;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn svg {
    width: 18px;
    height: 18px;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border-color);
}

/* 统计卡片 */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--border-color);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-icon.blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.stat-icon.green {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.stat-icon.orange {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 图表卡片 */
.dashboard-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.chart-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border-color);
}

.chart-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.chart-container {
    height: 200px;
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.chart-bar {
    flex: 1;
    background: var(--primary);
    border-radius: 4px 4px 0 0;
    transition: height 0.5s ease;
}

/* 服务器监控 */
.server-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.server-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.server-card h3 {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.progress-ring {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto;
}

.progress-ring svg {
    transform: rotate(-90deg);
}

.progress-bg {
    fill: none;
    stroke: var(--bg-tertiary);
    stroke-width: 8;
}

.progress-bar {
    fill: none;
    stroke: var(--primary);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 0.5s ease;
}

.progress-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: 700;
}

.network-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 16px;
}

.network-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.network-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.network-value {
    font-weight: 600;
    font-size: 16px;
}

/* 系统信息 */
.server-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.info-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border-color);
}

.info-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.info-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.info-value {
    font-weight: 500;
}

.process-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.process-item {
    display: flex;
    justify-content: space-between;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    font-size: 14px;
}

/* 搜索栏 */
.search-bar {
    position: relative;
    margin-bottom: 20px;
}

.search-bar svg {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

.search-bar input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
}

/* 筛选栏 */
.filter-bar {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.area-filter {
    display: flex;
    align-items: center;
    gap: 8px;
}

.area-filter label {
    color: var(--text-secondary);
    font-size: 14px;
    white-space: nowrap;
}

.area-filter select {
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
    min-width: 200px;
    cursor: pointer;
}

.area-filter select:focus {
    outline: none;
    border-color: var(--primary);
}

.filter-bar .search-bar {
    flex: 1;
    margin-bottom: 0;
    min-width: 200px;
}

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

/* 数据表格 */
.table-container {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

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

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.data-table td {
    font-size: 14px;
}

.data-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.loading-cell {
    text-align: center !important;
    padding: 40px !important;
}

.loading-cell .loading-spinner {
    margin: 0 auto 12px;
}

/* 状态徽章 */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

/* 操作按钮 */
.action-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.action-btn:hover {
    color: var(--primary);
}

.action-btn.danger:hover {
    color: var(--danger);
}

.action-btn svg {
    width: 18px;
    height: 18px;
}

/* 设备网格 */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.device-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.device-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.device-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.device-name {
    font-weight: 600;
    font-size: 16px;
}

.device-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.device-status.online {
    background: var(--success);
}

.device-status.offline {
    background: var(--danger);
}

.device-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.device-info-item {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.device-info-label {
    color: var(--text-secondary);
}

.device-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.device-actions .btn {
    flex: 1;
    justify-content: center;
}

/* WAF 页面 */
.waf-status {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.switch {
    position: relative;
    width: 48px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    border-radius: 24px;
    transition: 0.3s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}

input:checked + .slider {
    background: var(--success);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

.waf-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.waf-stat-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--border-color);
}

.waf-stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.waf-stat-icon svg {
    width: 20px;
    height: 20px;
}

.waf-stat-icon.red {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.waf-stat-icon.yellow {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.waf-stat-icon.blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.waf-stat-icon.green {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.waf-stat-info {
    display: flex;
    flex-direction: column;
}

.waf-stat-value {
    font-size: 24px;
    font-weight: 700;
}

.waf-stat-label {
    color: var(--text-secondary);
    font-size: 12px;
}

.waf-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.waf-tab {
    background: none;
    border: none;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all 0.2s;
}

.waf-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.waf-tab.active {
    background: var(--primary-light);
    color: var(--primary);
}

.waf-content {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.waf-panel {
    display: none;
    padding: 20px;
}

.waf-panel.active {
    display: block;
}

.ip-list-header {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.ip-list-header input {
    flex: 1;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
}

.ip-list-header input:focus {
    outline: none;
    border-color: var(--primary);
}

.ip-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ip-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.ip-address {
    font-family: monospace;
    font-size: 14px;
}

.ip-actions {
    display: flex;
    gap: 8px;
}

/* 规则列表 */
.rules-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rule-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.rule-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.rule-name {
    font-weight: 500;
}

.rule-desc {
    color: var(--text-secondary);
    font-size: 13px;
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
}

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

.modal-close svg {
    width: 24px;
    height: 24px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

/* 表单 */
.form-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.form-row label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-row input,
.form-row select,
.form-row textarea {
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
}

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

.form-row select {
    cursor: pointer;
}

/* 区域树形选择 */
.area-tree {
    max-height: 250px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 8px;
}

.area-group {
    margin-bottom: 4px;
}

.area-parent {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.area-parent:hover {
    background: var(--bg-tertiary);
}

.area-toggle {
    font-size: 10px;
    color: var(--text-secondary);
    margin-right: 8px;
    width: 12px;
    display: inline-block;
    transition: transform 0.2s;
}

.area-toggle-placeholder {
    width: 20px;
    display: inline-block;
}

.area-children {
    margin-left: 24px;
    padding: 4px 0;
    border-left: 1px solid var(--border-color);
    padding-left: 12px;
}

.area-checkbox {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
    margin: 2px 0;
}

.area-checkbox:hover {
    background: var(--bg-tertiary);
}

.area-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-right: 10px;
    accent-color: var(--primary);
    cursor: pointer;
}

.area-checkbox span {
    font-size: 14px;
    color: var(--text-primary);
}

.area-child {
    font-size: 13px;
}

.area-child span {
    color: var(--text-secondary);
}

/* Toast 通知 */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast.info {
    border-left: 4px solid var(--info);
}

/* 加载动画 */
.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px;
    color: var(--text-secondary);
    gap: 16px;
}

/* 隐藏类 */
.hidden {
    display: none !important;
}

/* 状态徽章 */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-low {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.status-medium {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.status-high {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.status-critical {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .dashboard-charts {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0 16px;
    }
    
    .main-content {
        padding: 16px;
    }
    
    .user-name {
        display: none;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .server-stats {
        grid-template-columns: 1fr;
    }
    
    .waf-tabs {
        flex-wrap: wrap;
    }
}

/* 强制修改密码按钮样式 */
.action-btn.warning {
    color: #ff9800;
}

.action-btn.warning:hover {
    color: #f57c00;
}