/* ================================
   网络拓扑可视化样式
   ================================ */

/* 主要CSS变量 */
:root {
    --topology-bg: #fafafa;
    --topology-panel-bg: #ffffff;
    --topology-border: #e5e7eb;
    --topology-text: #374151;
    --topology-text-light: #6b7280;
    --topology-text-dark: #1f2937;
    --topology-card-bg: #f9fafb;
    --topology-card-hover: rgba(255, 255, 255, 0.95);
    --topology-shadow: rgba(0, 0, 0, 0.1);
    --node-cisco: #6b7280;
    --node-huawei: #dc2626;
    --node-h3c: #059669;
    --node-juniper: #7c3aed;
    --node-default: #6b7280;
    --node-selected: #4b5563;
    --link-default: #9ca3af;
    --link-selected: #4b5563;
    --link-cdp: #ef4444;
    --link-lldp: #10b981;
}

/* 暗色主题 */
[data-theme="dark"] {
    --topology-bg: #1e293b;
    --topology-panel-bg: #334155;
    --topology-border: #475569;
    --topology-text: #f1f5f9;
    --topology-text-light: #94a3b8;
    --topology-text-dark: #f8fafc;
    --topology-card-bg: #475569;
    --topology-card-hover: rgba(71, 85, 105, 0.95);
    --topology-shadow: rgba(0, 0, 0, 0.3);
    --node-cisco: #e2e8f0;
    --node-huawei: #f87171;
    --node-h3c: #34d399;
    --node-juniper: #a78bfa;
    --node-default: #e2e8f0;
    --node-selected: #f1f5f9;
    --link-default: #94a3b8;
    --link-selected: #e2e8f0;
    --link-cdp: #f87171;
    --link-lldp: #34d399;
}

/* 暗色主题下拓扑页面特殊样式 */
[data-theme="dark"] .stat-value {
    color: #e2e8f0;
}

[data-theme="dark"] .loading-spinner {
    color: #e2e8f0;
}

[data-theme="dark"] .progress-spinner {
    color: #e2e8f0;
}

[data-theme="dark"] .progress-fill {
    background: #e2e8f0;
}

/* 暗色主题下拓扑页面按钮的特殊处理 */
[data-theme="dark"] .topology-toolbar .btn {
    background-color: #e2e8f0 !important;
    color: #0f172a !important;
}

[data-theme="dark"] .topology-toolbar .btn:hover {
    background-color: #f1f5f9 !important;
    color: #0f172a !important;
}

[data-theme="dark"] .topology-toolbar .btn-outline {
    background-color: transparent !important;
    color: #e2e8f0 !important;
    border-color: #e2e8f0 !important;
}

[data-theme="dark"] .topology-toolbar .btn-outline:hover {
    background-color: #e2e8f0 !important;
    color: #0f172a !important;
}

[data-theme="dark"] .topology-toolbar .btn-primary {
    background-color: #e2e8f0 !important;
    color: #0f172a !important;
}

[data-theme="dark"] .action-buttons .btn {
    background-color: #e2e8f0 !important;
    color: #0f172a !important;
}

[data-theme="dark"] .action-buttons .btn:hover {
    background-color: #f1f5f9 !important;
    color: #0f172a !important;
}

/* 暗色主题下所有拓扑相关按钮的统一处理 */
[data-theme="dark"] .btn-primary:hover {
    background-color: #f1f5f9 !important;
    color: #0f172a !important;
}

/* 暗色主题下拓扑空状态按钮的特殊处理 */
[data-theme="dark"] #goto-devices-btn {
    background-color: #e2e8f0 !important;
    color: #0f172a !important;
}

[data-theme="dark"] #goto-devices-btn:hover {
    background-color: #f1f5f9 !important;
    color: #0f172a !important;
}

/* 拓扑工具栏 */
.topology-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem;
    background: var(--topology-panel-bg);
    border: 1px solid var(--topology-border);
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px 0 var(--topology-shadow);
    justify-content: space-between;
    align-items: flex-start;
}

.toolbar-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-width: 200px;
}

.toolbar-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--topology-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toolbar-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.toolbar-actions .btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.toolbar-actions .form-control-sm {
    min-width: 120px;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* 拓扑主界面布局 */
.topology-main {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1rem;
    height: calc(100vh - 240px);
    min-height: 600px;
}

/* 拓扑可视化区域 */
.topology-visualization {
    position: relative;
    background: var(--topology-panel-bg);
    border: 1px solid var(--topology-border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px 0 var(--topology-shadow);
}

.topology-canvas {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--topology-bg);
    cursor: grab;
}

.topology-canvas:active {
    cursor: grabbing;
}

/* 拓扑SVG容器 */
#topology-svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* 拓扑加载状态 */
.topology-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
}

.loading-spinner {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.loading-text {
    color: var(--topology-text-light);
    font-size: 1rem;
}

/* 拓扑空状态 */
.topology-empty {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
    max-width: 400px;
}

.empty-icon {
    font-size: 4rem;
    color: var(--topology-text-light);
    margin-bottom: 1rem;
}

.empty-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--topology-text);
    margin-bottom: 0.5rem;
}

.empty-description {
    color: var(--topology-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* 拓扑操作提示 */
.topology-hints {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background: var(--topology-panel-bg);
    color: var(--topology-text);
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    z-index: 20;
    max-width: 200px;
    border: 1px solid var(--topology-border);
    box-shadow: 0 1px 3px 0 var(--topology-shadow);
}

.hint-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.hint-item:last-child {
    margin-bottom: 0;
}

.hint-item i {
    width: 16px;
    text-align: center;
    color: var(--topology-text-light);
}

/* 拓扑信息面板 */
.topology-info-panel {
    background: var(--topology-panel-bg);
    border: 1px solid var(--topology-border);
    border-radius: 8px;
    padding: 1rem;
    overflow-y: auto;
    box-shadow: 0 1px 3px 0 var(--topology-shadow);
}

.info-section {
    margin-bottom: 1.5rem;
}

.info-section:last-child {
    margin-bottom: 0;
}

.info-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--topology-text);
    margin: 0 0 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--topology-border);
}

/* 统计网格 */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.stat-item {
    text-align: center;
    padding: 0.75rem;
    background: var(--topology-card-bg);
    border-radius: 6px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--topology-text-light);
    font-weight: 500;
}

/* 节点和链路详情 */
.node-details, .link-details {
    min-height: 120px;
}

.no-selection {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--topology-text-light);
    height: 100px;
    gap: 0.5rem;
}

.no-selection i {
    font-size: 1.5rem;
}

.device-info {
    padding: 1rem;
    background: var(--topology-card-bg);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 2px 8px var(--topology-shadow);
    border: 1px solid var(--topology-border);
}

.device-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--topology-text-dark);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.device-name::before {
    content: "📱";
    font-size: 1.2em;
}

.device-details {
    font-size: 0.875rem;
    color: var(--topology-text-light);
    line-height: 1.6;
}

.device-details .detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: var(--topology-panel-bg);
    border-radius: 8px;
    border: 1px solid var(--topology-border);
    transition: all 0.2s ease;
}

.device-details .detail-item:hover {
    background: var(--topology-card-hover);
    transform: translateX(2px);
    box-shadow: 0 2px 4px var(--topology-shadow);
}

.device-details .detail-item:last-child {
    margin-bottom: 0;
}

.device-details .detail-label {
    font-weight: 600;
    color: var(--topology-text);
    min-width: 60px;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.device-details .detail-label::before {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.75rem;
    color: var(--topology-text-light);
}

.device-details .detail-item:nth-child(1) .detail-label::before {
    content: "\f0ac"; /* IP地址图标 */
}

.device-details .detail-item:nth-child(2) .detail-label::before {
    content: "\f1ad"; /* 厂商图标 */
}

.device-details .detail-item:nth-child(3) .detail-label::before {
    content: "\f108"; /* 类型图标 */
}

.device-details .detail-item:nth-child(4) .detail-label::before {
    content: "\f111"; /* 状态图标 */
}

.device-details .detail-item:nth-child(5) .detail-label::before {
    content: "\f0c1"; /* 接口图标 */
}

/* 拓扑页面的设备状态指示器统一样式 - 仅在拓扑页面节点详情中使用 */
.device-details .device-status {
    display: inline-block !important;
    width: 6px !important;
    height: 6px !important;
    border-radius: 50% !important;
    margin-right: 8px !important;
    vertical-align: middle !important;
}

.device-details .device-status.online {
    background-color: #4CAF50 !important;
}

.device-details .device-status.offline {
    background-color: #F44336 !important;
}

.device-details .device-status.unreachable {
    background-color: #FFC107 !important;
}

.device-details .device-status.maintenance {
    background-color: #2196F3 !important;
}

.device-details .device-status.unknown {
    background-color: #9E9E9E !important;
}

/* 设备状态指示器样式 - 只显示圆形指示灯，不显示文字 */
.device-status-indicator {
    display: inline-block !important;
    width: 12px !important;
    height: 12px !important;
    border-radius: 50% !important;
    border: 2px solid #fff !important;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1) !important;
    vertical-align: middle !important;
    margin: 0 !important;
    padding: 0 !important;
    font-size: 0 !important; /* 隐藏任何文字内容 */
    text-indent: -9999px !important; /* 确保文字不显示 */
    overflow: hidden !important;
}

.device-status-indicator.online {
    background-color: #10b981 !important; /* 绿色 - 在线 */
}

.device-status-indicator.offline {
    background-color: #ef4444 !important; /* 红色 - 离线 */
}

.device-status-indicator.unreachable {
    background-color: #f59e0b !important; /* 橙色 - 不可达 */
}

.device-status-indicator.maintenance {
    background-color: #6b7280 !important; /* 灰色 - 维护中 */
}

.device-status-indicator.unknown {
    background-color: #d1d5db !important; /* 浅灰色 - 未知 */
}

/* 链路信息 */
.link-info {
    padding: 1rem;
    background: var(--topology-card-bg);
    border-radius: 12px;
    border-left: 4px solid #10b981;
    box-shadow: 0 2px 8px var(--topology-shadow);
    border: 1px solid var(--topology-border);
}

.link-endpoints {
    font-size: 1rem;
    font-weight: 700;
    color: var(--topology-text-dark);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.link-endpoints::before {
    content: "🔗";
    font-size: 1.2em;
}

.link-details-info {
    font-size: 0.875rem;
    color: var(--topology-text-light);
    line-height: 1.6;
}

.link-details-info .detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: var(--topology-panel-bg);
    border-radius: 8px;
    border: 1px solid var(--topology-border);
    transition: all 0.2s ease;
}

.link-details-info .detail-item:hover {
    background: var(--topology-card-hover);
    transform: translateX(2px);
    box-shadow: 0 2px 4px var(--topology-shadow);
}

.link-details-info .detail-item:last-child {
    margin-bottom: 0;
}

.link-details-info .detail-label {
    font-weight: 600;
    color: var(--topology-text);
    min-width: 60px;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.link-details-info .detail-label::before {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.75rem;
    color: var(--topology-text-light);
}

.link-details-info .detail-item:nth-child(1) .detail-label::before {
    content: "\f1e6"; /* 协议图标 */
}

.link-details-info .detail-item:nth-child(2) .detail-label::before {
    content: "\f362"; /* 源接口图标 */
}

.link-details-info .detail-item:nth-child(3) .detail-label::before {
    content: "\f362"; /* 目标接口图标 */
}

.protocol-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.protocol-badge::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.protocol-badge:hover::before {
    transform: translateX(100%);
}

.protocol-badge.cdp {
    background: linear-gradient(135deg, #fef2f2, #fecaca);
    color: #dc2626;
    border: 1px solid #fca5a5;
}

.protocol-badge.lldp {
    background: linear-gradient(135deg, #ecfdf5, #bbf7d0);
    color: #059669;
    border: 1px solid #86efac;
}

.protocol-badge.unknown {
    background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
    color: #6b7280;
    border: 1px solid #d1d5db;
}

/* 操作按钮 */
.action-buttons {
    display: grid;
    gap: 0.5rem;
}

.action-buttons .btn {
    justify-content: flex-start;
    text-align: left;
    font-size: 0.875rem;
}

.action-buttons .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* SVG节点样式 */
.topology-node-group {
    cursor: pointer;
    transition: all 0.2s ease;
}

.topology-node-group:hover {
    filter: brightness(1.1);
}

.topology-node-group.dragging {
    cursor: grabbing;
    filter: brightness(1.3) drop-shadow(0 4px 8px rgba(0,0,0,0.3));
    transform-origin: center;
    z-index: 1000;
}

.topology-node-group.dragging .node-main-circle {
    stroke-width: 0;
    stroke: transparent;
    fill: transparent !important;
}

.topology-node-group.dragging .node-status-indicator {
    stroke-width: 3px;
    stroke: var(--node-selected);
}

.topology-node-group.dragging .node-vendor-badge {
    stroke-width: 3px;
    stroke: var(--node-selected);
}

.topology-node-group.selected .node-main-circle {
    stroke: var(--node-selected);
    stroke-width: 3;
    fill: transparent;
}

.topology-node-group.selected .node-status-indicator {
    stroke: var(--node-selected);
    stroke-width: 2;
}

.topology-node-group.selected .node-vendor-badge {
    stroke: var(--node-selected);
    stroke-width: 3px;
}

.node-main-circle {
    transition: all 0.2s ease;
}

.node-icon {
    pointer-events: none;
    user-select: none;
}

.node-icon-group {
    pointer-events: none;
    user-select: none;
}

.node-icon-group svg {
    pointer-events: none;
    user-select: none;
    transition: all 0.2s ease;
}

.topology-node-group:hover .node-icon-group svg {
    filter: brightness(1.2);
}

.topology-node-group.selected .node-icon-group svg {
    filter: brightness(1.3) drop-shadow(0 0 3px rgba(255,255,255,0.8));
}

.node-status-indicator {
    transition: all 0.2s ease;
}

.node-vendor-badge {
    transition: all 0.2s ease;
}

.node-vendor-text {
    pointer-events: none;
    user-select: none;
}

/* 保留原有的老式节点样式作为后备 */
.topology-node {
    cursor: pointer;
    transition: all 0.2s ease;
}

.topology-node:hover {
    filter: brightness(1.1);
}

.topology-node.selected {
    stroke: var(--node-selected);
    stroke-width: 3px;
}

.topology-node.cisco {
    fill: var(--node-cisco);
}

.topology-node.huawei {
    fill: var(--node-huawei);
}

.topology-node.h3c {
    fill: var(--node-h3c);
}

.topology-node.juniper {
    fill: var(--node-juniper);
}

.topology-node.default {
    fill: var(--node-default);
}

/* SVG链路样式 */
.topology-link {
    cursor: pointer;
    transition: all 0.2s ease;
}

.topology-link:hover {
    stroke-width: 3px;
}

.topology-link.selected {
    stroke: var(--link-selected);
    stroke-width: 3px;
}

.topology-link.cdp {
    stroke: var(--link-cdp);
    stroke-dasharray: 5,5;
}

.topology-link.lldp {
    stroke: var(--link-lldp);
}

.topology-link.default {
    stroke: var(--link-default);
}

/* 节点标签 */
.node-label {
    font-size: 12px;
    font-weight: 600;
    fill: var(--topology-text-dark);
    text-anchor: middle;
    pointer-events: none;
    user-select: none;
}

.node-label.selected {
    fill: var(--node-selected);
}

/* 拓扑发现对话框样式 */
.device-selection {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--topology-border);
    border-radius: 6px;
    padding: 0.75rem;
    background: var(--topology-card-bg);
}

.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-bottom: 0 !important; /* 覆盖全局label的margin-bottom */
}

.checkbox-label:hover {
    background: var(--topology-card-hover);
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    width: 16px;
    height: 16px;
    flex-shrink: 0; /* 防止复选框被压缩 */
}

.device-checkbox-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    margin-left: 0.5rem;
}

.device-checkbox-name {
    font-weight: 500;
    color: var(--topology-text-dark);
    margin-bottom: 0;
}

.device-checkbox-info {
    font-size: 0.875rem;
    color: var(--topology-text-light);
}

.discovery-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--topology-card-bg);
    border-radius: 6px;
}

/* 发现进度样式 */
.discovery-progress {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--topology-card-bg);
    border-radius: 6px;
}

.progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.progress-header h3 {
    margin: 0;
    color: var(--topology-text-dark);
}

.progress-spinner {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.progress-details {
    color: var(--topology-text-light);
}

#discovery-status {
    margin-bottom: 0.75rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--topology-border);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

/* 节点右键菜单 */
.context-menu {
    position: absolute;
    background: var(--topology-panel-bg);
    border: 1px solid var(--topology-border);
    border-radius: 6px;
    padding: 0.5rem 0;
    min-width: 160px;
    z-index: 1000;
    box-shadow: 0 4px 12px var(--topology-shadow);
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--topology-text);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.context-menu-item:hover {
    background: var(--topology-card-bg);
}

.context-menu-item.disabled {
    color: var(--topology-text-light);
    cursor: not-allowed;
}

.context-menu-item.disabled:hover {
    background: transparent;
}

.context-menu-divider {
    height: 1px;
    background: var(--topology-border);
    margin: 0.25rem 0;
}

/* 新的上下文菜单样式（双击触发） */
.topology-context-menu {
    position: absolute;
    background: var(--topology-panel-bg);
    border: 1px solid var(--topology-border);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 180px;
    z-index: 1000;
    box-shadow: 0 8px 24px var(--topology-shadow);
    backdrop-filter: blur(8px);
    font-size: 0.875rem;
}

.topology-context-menu .context-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--topology-text);
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 0;
}

.topology-context-menu .context-menu-item:hover {
    background: var(--topology-card-bg);
    transform: translateX(2px);
}

.topology-context-menu .context-menu-item i {
    font-size: 1rem;
    width: 16px;
    text-align: center;
    color: var(--topology-text-light);
}

.topology-context-menu .context-menu-item:hover i {
    color: var(--primary-color);
}

.topology-context-menu .context-menu-item.disabled {
    color: var(--topology-text-light);
    cursor: not-allowed;
}

.topology-context-menu .context-menu-item.disabled:hover {
    background: transparent;
    transform: none;
}

.topology-context-menu .context-menu-item.disabled i {
    color: var(--topology-text-light);
}

.topology-context-menu .context-menu-divider {
    height: 1px;
    background: var(--topology-border);
    margin: 0.5rem 0;
}

/* 通知样式 */
.topology-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem;
    border-radius: 8px;
    color: var(--topology-panel-bg);
    font-weight: 500;
    z-index: 2000;
    box-shadow: 0 4px 12px var(--topology-shadow);
}

.topology-notification.success {
    background: var(--success-color);
    color: #166534;
    border: 1px solid #bbf7d0;
}

.topology-notification.error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.topology-notification.info {
    background: #dbeafe;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
}

.topology-notification.warning {
    background: #fef3c7;
    color: #d97706;
    border: 1px solid #fed7aa;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .topology-main {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }
    
    .topology-info-panel {
        max-height: 300px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* 工具栏在中等屏幕上的调整 */
    .topology-toolbar {
        justify-content: flex-start;
        gap: 1rem;
    }
    
    .toolbar-section {
        min-width: 180px;
    }
}

@media (max-width: 768px) {
    .topology-toolbar {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch; /* 在小屏幕上拉伸对齐 */
    }
    
    .toolbar-section {
        width: 100%;
        min-width: unset;
    }
    
    .toolbar-actions {
        justify-content: flex-start;
    }
    
    .topology-main {
        height: auto;
        min-height: 500px;
    }
    
    .topology-info-panel {
        order: -1;
        max-height: 200px;
    }
} 