:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #21262d;--bg-elevated: #30363d;--bg-overlay: rgba(0, 0, 0, .7);--text-primary: #f0f6fc;--text-secondary: #8b949e;--text-tertiary: #6e7681;--text-link: #58a6ff;--border-primary: #30363d;--border-secondary: #21262d;--border-active: #58a6ff;--accent-blue: #58a6ff;--accent-blue-hover: #79b8ff;--accent-green: #3fb950;--accent-green-hover: #56d364;--accent-purple: #a371f7;--accent-purple-hover: #bc8cff;--accent-orange: #d29922;--accent-orange-hover: #e3b341;--accent-red: #f85149;--accent-red-hover: #ff7b72;--accent-cyan: #39c5cf;--accent-pink: #db61a2;--server-color: #58a6ff;--network-color: #3fb950;--virtualization-color: #a371f7;--storage-color: #d29922;--service-color: #39c5cf;--annotation-color: #8b949e;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 8px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-glow-blue: 0 0 20px rgba(88, 166, 255, .4);--shadow-glow-green: 0 0 20px rgba(63, 185, 80, .4);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease;--header-height: 56px;--palette-width: 260px;--properties-width: 300px;--status-height: 28px}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f6f8fa;--bg-tertiary: #eaeef2;--bg-elevated: #ffffff;--bg-overlay: rgba(255, 255, 255, .9);--text-primary: #1f2328;--text-secondary: #656d76;--text-tertiary: #8c959f;--text-link: #0969da;--border-primary: #d0d7de;--border-secondary: #e6e8eb;--border-active: #0969da;--accent-blue: #0969da;--accent-blue-hover: #0550ae;--accent-green: #1a7f37;--accent-purple: #8250df;--accent-orange: #bf8700;--accent-red: #cf222e;--accent-cyan: #0d8282;--accent-pink: #bf3989;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .1);--shadow-md: 0 4px 8px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .15);--shadow-glow-blue: 0 0 20px rgba(9, 105, 218, .2)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.5;overflow:hidden}#app{display:flex;flex-direction:column;height:100vh;width:100vw}::selection{background:var(--accent-blue);color:#fff}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-primary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.app-header{height:var(--header-height);background:var(--bg-secondary);border-bottom:1px solid var(--border-primary);display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-md);z-index:100;flex-shrink:0}.logo{display:flex;align-items:center;gap:var(--spacing-sm)}.logo-icon{width:28px;height:28px;color:var(--accent-blue)}.logo-text{font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-text-container{display:flex;align-items:center}.logo-text-input{font-family:inherit;font-size:1.25rem;font-weight:700;color:var(--text-primary);background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);padding:0 4px;outline:none;min-width:150px;transition:all var(--transition-fast)}.logo-text-input:hover{border-color:var(--border-primary);background:var(--bg-tertiary)}.logo-text-input:focus{border-color:var(--accent-blue);background:var(--bg-tertiary);box-shadow:0 0 0 2px #58a6ff33}.toolbar{display:flex;align-items:center;gap:var(--spacing-xs)}.toolbar-btn{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);font-size:.875rem;font-family:inherit}.toolbar-btn svg{width:18px;height:18px}.toolbar-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.toolbar-btn:active{transform:scale(.96)}.toolbar-btn:disabled{opacity:.4;pointer-events:none}.toolbar-divider{width:1px;height:24px;background:var(--border-primary);margin:0 var(--spacing-sm)}.tool-selector{position:absolute;top:var(--spacing-md);left:50%;transform:translate(-50%);display:flex;background:#161b22d9;border:1px solid var(--border-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:1000;padding:4px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.selector-items{display:flex;align-items:center;gap:4px}.selector-divider{width:1px;height:24px;background:var(--border-primary);margin:0 4px}.tool-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 12px;background:transparent;border:1px solid transparent;border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);min-width:75px}.tool-btn svg{width:20px;height:20px}.tool-btn span{font-size:.75rem;font-weight:500}.tool-btn:hover{background:#ffffff0d;color:var(--text-primary)}.tool-btn.active{background:var(--bg-tertiary);color:var(--accent-blue);box-shadow:0 0 12px #58a6ff1a;border-color:#58a6ff33}.tool-btn.active[data-type=wireless]{color:var(--accent-purple);border-color:#a371f733}.tool-btn.active[data-type=fiber]{color:var(--accent-orange);border-color:#d2992233}.tool-btn.active[data-type=usb]{color:var(--accent-cyan);border-color:#39c5cf33}.tool-btn[data-type=ethernet] svg{color:var(--accent-blue)}.tool-btn[data-type=wireless] svg{color:var(--accent-purple)}.tool-btn[data-type=fiber] svg{color:var(--accent-orange)}.tool-btn[data-type=usb] svg{color:var(--accent-cyan)}.zoom-level{font-family:var(--font-mono);font-size:.75rem;color:var(--text-tertiary);min-width:48px;text-anchor:middle;text-align:center}.header-actions{display:flex;align-items:center;gap:var(--spacing-sm)}.btn-theme{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border-primary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast)}.btn-theme svg{width:18px;height:18px;color:var(--text-secondary);transition:all var(--transition-fast)}.btn-theme:hover{background:var(--bg-tertiary);border-color:var(--border-active)}.btn-theme:hover svg{color:var(--accent-orange)}.btn-theme .moon-icon,[data-theme=light] .btn-theme .sun-icon{display:none}[data-theme=light] .btn-theme .moon-icon{display:block}.app-main{flex:1;display:flex;overflow:hidden}.palette{width:var(--palette-width);background:var(--bg-secondary);border-right:1px solid var(--border-primary);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.palette-header{padding:var(--spacing-md);border-bottom:1px solid var(--border-primary);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--spacing-sm)}.palette-toggle{display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.palette-toggle:hover{background:var(--bg-tertiary);color:var(--text-primary)}.palette-toggle svg{width:16px;height:16px}.palette.collapsed{width:42px}.palette.collapsed .palette-header{padding:var(--spacing-sm);justify-content:center}.palette.collapsed .palette-header h2,.palette.collapsed .palette-search,.palette.collapsed .palette-content{display:none}.palette.collapsed .palette-toggle svg{transform:rotate(180deg)}.palette-header h2{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);margin-bottom:var(--spacing-sm)}.palette-search{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:.875rem;outline:none;transition:all var(--transition-fast)}.palette-search::placeholder{color:var(--text-tertiary)}.palette-search:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #58a6ff33}.palette-content{flex:1;overflow-y:auto;padding:var(--spacing-sm)}.palette-section{margin-bottom:var(--spacing-sm);border-radius:var(--radius-md);overflow:hidden}.palette-section-header{width:100%;display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:none;color:var(--text-secondary);font-family:inherit;font-size:.8125rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);text-align:left}.palette-section-header svg{width:16px;height:16px;transition:transform var(--transition-fast)}.palette-section-header:hover{color:var(--text-primary);background:var(--bg-tertiary)}.palette-section.collapsed .palette-section-header svg{transform:rotate(-90deg)}.palette-section.collapsed .palette-items{display:none}.palette-section[data-section=hardware] .palette-section-header{color:var(--accent-blue)}.palette-section[data-section=hardware] .palette-section-header:hover{background:#58a6ff1a}.palette-section[data-section=hardware] .palette-item{border-left:2px solid var(--accent-blue)}.palette-section[data-section=v-os] .palette-section-header{color:var(--accent-purple)}.palette-section[data-section=v-os] .palette-section-header:hover{background:#a371f71a}.palette-section[data-section=v-os] .palette-item{border-left:2px solid var(--accent-purple)}.palette-section[data-section=network] .palette-section-header{color:var(--accent-green)}.palette-section[data-section=network] .palette-section-header:hover{background:#3fb9501a}.palette-section[data-section=network] .palette-item{border-left:2px solid var(--accent-green)}.palette-section[data-section=operating-system] .palette-section-header{color:var(--accent-orange)}.palette-section[data-section=operating-system] .palette-section-header:hover{background:#d299221a}.palette-section[data-section=operating-system] .palette-item{border-left:2px solid var(--accent-orange)}.palette-section[data-section=applications] .palette-section-header{color:var(--accent-cyan)}.palette-section[data-section=applications] .palette-section-header:hover{background:#39c5cf1a}.palette-section[data-section=applications] .palette-item{border-left:2px solid var(--accent-cyan)}.palette-section[data-section=user-devices] .palette-section-header{color:#ec4899}.palette-section[data-section=user-devices] .palette-section-header:hover{background:#ec48991a}.palette-section[data-section=user-devices] .palette-item{border-left:2px solid #ec4899}.palette-items{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-xs);padding:var(--spacing-xs)}.palette-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-md) var(--spacing-sm);background:var(--bg-tertiary);border:1px solid transparent;border-radius:var(--radius-md);cursor:grab;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none}.palette-item:hover{background:var(--bg-elevated);border-color:var(--border-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.palette-item:active{cursor:grabbing;transform:scale(.95)}.palette-item span{font-size:.6875rem;color:var(--text-secondary);text-align:center;line-height:1.3}.canvas-container{flex:1;position:relative;overflow:hidden;touch-action:none;background:var(--bg-primary);background-image:linear-gradient(var(--border-secondary) 1px,transparent 1px),linear-gradient(90deg,var(--border-secondary) 1px,transparent 1px),linear-gradient(var(--border-primary) 1px,transparent 1px),linear-gradient(90deg,var(--border-primary) 1px,transparent 1px);background-size:20px 20px,20px 20px,100px 100px,100px 100px;background-position:-1px -1px,-1px -1px,-1px -1px,-1px -1px}.canvas-wrapper{position:absolute;width:100%;height:100%;left:0;top:0;cursor:grab;transform-origin:0 0;transition:cursor var(--transition-fast)}.canvas-wrapper.mode-connect{cursor:crosshair!important}.canvas-wrapper.mode-select{cursor:grab!important}.canvas-wrapper.mode-select:active{cursor:grabbing!important}.canvas-wrapper.panning{cursor:grabbing}.canvas-wrapper.connecting{cursor:crosshair}.canvas-grid{display:none}.connections-layer{position:absolute;top:-20000px;left:-20000px;width:40000px;height:40000px;pointer-events:none;z-index:2}.groups-layer{position:absolute;top:-20000px;left:-20000px;width:40000px;height:40000px;transform:translate(20000px,20000px);pointer-events:none;z-index:1}.nodes-layer{position:absolute;top:-20000px;left:-20000px;width:40000px;height:40000px;transform:translate(20000px,20000px);z-index:3;pointer-events:none}.canvas-overlay{position:absolute;inset:0;pointer-events:none;z-index:100}.grid-pattern{stroke:var(--border-secondary);stroke-width:.5}.grid-pattern.major{stroke:var(--border-primary);stroke-width:1}.properties-panel{width:var(--properties-width);background:var(--bg-secondary);border-left:1px solid var(--border-primary);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.properties-panel.collapsed{width:0;border-left:none}.panel-header{padding:var(--spacing-md);border-bottom:1px solid var(--border-primary);display:flex;align-items:center;justify-content:space-between}.panel-header h2{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary)}.panel-close{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-tertiary);cursor:pointer;transition:all var(--transition-fast)}.panel-close svg{width:14px;height:14px}.panel-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}.panel-content{flex:1;overflow-y:auto;padding:var(--spacing-md)}.empty-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;color:var(--text-tertiary);padding:var(--spacing-xl)}.empty-panel svg{width:48px;height:48px;margin-bottom:var(--spacing-md);opacity:.5}.empty-panel p{font-size:.875rem;line-height:1.6}.property-group{margin-bottom:var(--spacing-lg)}.property-group-title{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);margin-bottom:var(--spacing-sm);padding-bottom:var(--spacing-xs);border-bottom:1px solid var(--border-secondary)}.property-row{margin-bottom:var(--spacing-sm)}.property-label{display:block;font-size:.75rem;color:var(--text-secondary);margin-bottom:var(--spacing-xs)}.property-input{width:100%;padding:var(--spacing-sm);background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:.8125rem;outline:none;transition:all var(--transition-fast)}.property-input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #58a6ff26}.property-input::placeholder{color:var(--text-tertiary)}textarea.property-input{resize:vertical;min-height:60px}.property-select{width:100%;padding:var(--spacing-sm);background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:.8125rem;outline:none;cursor:pointer}.property-select:focus{border-color:var(--accent-blue)}.group-members-list{display:flex;flex-direction:column;gap:var(--spacing-xs);max-height:300px;overflow-y:auto;margin-bottom:var(--spacing-sm)}.group-member-item{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-xs) var(--spacing-sm);background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);transition:all var(--transition-fast)}.group-member-item:hover{background:var(--bg-primary);border-color:var(--border-secondary)}.member-name{font-size:.8125rem;color:var(--text-primary);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-remove-member{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border-secondary);border-radius:var(--radius-sm);color:var(--text-tertiary);cursor:pointer;transition:all var(--transition-fast);flex-shrink:0;margin-left:var(--spacing-sm)}.btn-remove-member:hover{background:var(--accent-red);border-color:var(--accent-red);color:#fff}.btn-remove-member svg{width:14px;height:14px}.property-color{width:100%;height:36px;padding:2px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);cursor:pointer}.status-bar{height:var(--status-height);background:var(--bg-tertiary);border-top:1px solid var(--border-primary);display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-md);font-size:.6875rem;color:var(--text-tertiary);flex-shrink:0}.status-left,.status-right{display:flex;align-items:center;gap:var(--spacing-md)}.status-center{flex:1;text-align:center}.status-item{font-family:var(--font-mono)}.context-menu{position:fixed;min-width:180px;background:var(--bg-elevated);border:1px solid var(--border-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:var(--spacing-xs);z-index:1000;display:none}.context-menu.visible{display:block;animation:contextMenuIn .15s ease}@keyframes contextMenuIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.context-item{width:100%;display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:.8125rem;text-align:left;cursor:pointer;transition:all var(--transition-fast)}.context-item svg{width:16px;height:16px;color:var(--text-tertiary)}.context-item:hover{background:var(--accent-blue);color:#fff}.context-item:hover svg{color:#fff}.context-item kbd{margin-left:auto;font-family:var(--font-mono);font-size:.6875rem;color:var(--text-tertiary);background:var(--bg-tertiary);padding:2px 6px;border-radius:var(--radius-sm)}.context-item:hover kbd{background:#fff3;color:#fffc}.context-divider{height:1px;background:var(--border-primary);margin:var(--spacing-xs) 0}.context-submenu{position:relative}.submenu-arrow{width:12px!important;height:12px!important;margin-left:auto;opacity:.5}.context-submenu:hover .submenu-arrow{opacity:1}.context-submenu-panel{position:fixed;min-width:160px;background:var(--bg-elevated);border:1px solid var(--border-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:var(--spacing-xs);z-index:1001;display:none;max-height:300px;overflow-y:auto}.context-submenu-panel.visible{display:block;animation:contextMenuIn .15s ease}.context-submenu-panel .context-item{font-size:.75rem}.modal-overlay{position:fixed;inset:0;background:var(--bg-overlay);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;visibility:hidden;transition:all var(--transition-normal);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-overlay.visible{opacity:1;visibility:visible}.modal{width:90%;max-width:480px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);transform:scale(.95) translateY(20px);transition:transform var(--transition-normal)}.modal-overlay.visible .modal{transform:scale(1) translateY(0)}.modal-header{padding:var(--spacing-lg);border-bottom:1px solid var(--border-primary);display:flex;align-items:center;justify-content:space-between}.modal-header h3{font-size:1.125rem;font-weight:600}.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-tertiary);cursor:pointer;transition:all var(--transition-fast)}.modal-close svg{width:18px;height:18px}.modal-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}.modal-content{padding:var(--spacing-lg);max-height:60vh;overflow-y:auto}.modal-footer{padding:var(--spacing-lg);border-top:1px solid var(--border-primary);display:flex;justify-content:flex-end;gap:var(--spacing-sm)}.btn{padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-md);font-family:inherit;font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.btn-primary{background:var(--accent-blue);color:#fff}.btn-primary:hover{background:var(--accent-blue-hover)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-primary)}.btn-secondary:hover{background:var(--bg-elevated);border-color:var(--text-tertiary)}.btn-danger{background:var(--accent-red);color:#fff}.btn-danger:hover{background:var(--accent-red-hover)}.toast-container{position:fixed;bottom:calc(var(--status-height) + 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