.component-list-panel{display:flex;flex-direction:column;gap:12px}.component-list{display:flex;flex-direction:column;gap:4px;max-height:300px;overflow-y:auto}.component-item{background-color:#f5f5f5;border:1px solid #e0e0e0;border-radius:4px;padding:8px;cursor:pointer;transition:all .2s}.component-item:hover{background-color:#eee;border-color:#d0d0d0}.component-item.selected{background-color:#e3f2fd;border-color:#2196f3}.component-item-content{display:flex;justify-content:space-between;align-items:center;gap:8px}.component-item-label{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}.component-label{font-size:13px;font-weight:500;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.component-type{font-size:11px;color:#999;text-transform:uppercase}.connection-endpoints{font-size:11px;color:#888;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.component-item-actions{display:flex;gap:4px;flex-shrink:0}.btn-icon{background-color:transparent;border:1px solid #d0d0d0;border-radius:3px;padding:4px 6px;cursor:pointer;font-size:12px;transition:all .2s;color:#666}.btn-icon:hover{background-color:#fff;border-color:#999;color:#333}.btn-icon.btn-delete{border-color:#ff5252;color:#ff5252}.btn-icon.btn-delete:hover{background-color:#ffebee;border-color:#ff1744;color:#ff1744}.annotation-item{cursor:pointer}.annotation-item.active{background-color:#e8f5e9;border-color:#4caf50}.annotation-item-title{display:flex;align-items:center;gap:6px;min-width:0}.annotation-item-title .component-label{flex:1;min-width:0}.annotation-swatch-dot{flex-shrink:0;width:12px;height:12px;border-radius:50%;border:1px solid rgba(0,0,0,.15)}.component-form-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.component-form{background-color:#fff;border-radius:8px;padding:24px;max-width:600px;width:90%;max-height:80vh;overflow-y:auto;box-shadow:0 4px 20px #00000026}.component-form-header{display:flex;align-items:center;gap:10px;margin-bottom:20px}.component-form-close{border:none;background-color:#f0f0f0;border-radius:4px;width:28px;height:28px;font-size:14px;line-height:1;cursor:pointer;color:#555;display:flex;align-items:center;justify-content:center;flex-shrink:0}.component-form-close:hover{background-color:#e0e0e0;color:#333}.component-form h2{font-size:20px;font-weight:600;margin-bottom:0;color:#333}.component-form h3{font-size:14px;font-weight:600;margin:16px 0 12px;color:#555;text-transform:uppercase;border-bottom:1px solid #e0e0e0;padding-bottom:8px}.form-section{margin-bottom:20px}.form-group{margin-bottom:12px}.icon-picker{position:relative}.icon-picker-trigger{display:flex;align-items:center;gap:8px;width:100%;padding:6px 10px;border:1px solid #d0d0d0;border-radius:4px;background-color:#fff;cursor:pointer;font-family:inherit;font-size:13px;color:#333;text-align:left}.icon-picker-trigger:hover{border-color:#aaa;background-color:#fafafa}.icon-picker-thumb{width:26px;height:26px;object-fit:contain;flex-shrink:0}.icon-picker-none{border:1px dashed #cccccc;border-radius:3px;background-color:#fafafa}.icon-picker-brand{color:#888;font-size:12px}.icon-picker-placeholder{color:#999}.icon-picker-caret{margin-left:auto;color:#888;font-size:11px}.icon-picker-menu{position:fixed;z-index:1100;padding:4px;background-color:#fff;border:1px solid #d0d0d0;border-radius:6px;box-shadow:0 4px 16px #00000026;max-height:45vh;overflow-y:auto}.icon-picker-option{display:flex;align-items:center;gap:8px;width:100%;padding:5px 8px;border:none;background-color:transparent;border-radius:4px;cursor:pointer;font-family:inherit;font-size:13px;color:#333;text-align:left}.icon-picker-option:hover{background-color:#f0f0f0}.icon-picker-option.selected{background-color:#e3f2fd}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:#333}.form-group input,.form-group select,.form-group textarea{width:100%;padding:8px 12px;border:1px solid #d0d0d0;border-radius:4px;font-size:13px;font-family:inherit}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#2196f3;box-shadow:0 0 0 2px #2196f31a}.form-group textarea{resize:vertical;min-height:80px}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.form-label{font-size:13px;font-weight:500;color:#333;margin-bottom:8px;display:block}.port-form{padding:12px;background-color:#f9f9f9;border-radius:4px}.port-list{margin:12px 0}.port-item{background-color:#fff;border:1px solid #e0e0e0;border-radius:4px;padding:12px;margin-bottom:8px}.port-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));gap:8px;align-items:flex-end}.port-field{display:flex;flex-direction:column;gap:4px}.port-field label{font-size:12px;font-weight:500;color:#555;margin-bottom:0}.port-field input,.port-field select{padding:6px 8px;border:1px solid #d0d0d0;border-radius:3px;font-size:12px}.port-field label input[type=checkbox]{margin-right:4px;margin-bottom:0;width:auto}.btn-delete{background-color:#ff5252;color:#fff;border:none;padding:6px 10px;border-radius:3px;cursor:pointer;font-size:12px;font-weight:500;transition:background-color .2s}.port-error,.form-error{color:#c62828;font-size:12px}.port-field .port-error{margin-top:2px}.port-field input.field-invalid{border-color:#c62828;background-color:#fdecea}.single-port{margin-bottom:12px}.connection-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.connection-row{display:flex;align-items:center;gap:8px;padding:8px 10px;background-color:#f9f9f9;border:1px solid #e0e0e0;border-radius:4px;font-size:13px}.connection-port{font-weight:500;color:#1976d2;white-space:nowrap;flex-shrink:0}.connection-arrow{color:#999;flex-shrink:0}.connection-other{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#333}.connection-other-port{color:#888}.connection-disconnect{flex-shrink:0}.btn-delete:hover{background-color:#ff1744}.btn-secondary{padding:8px 12px;background-color:#f0f0f0;color:#333;border:1px solid #d0d0d0;border-radius:4px;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s;margin-top:8px}.btn-secondary:hover{background-color:#e0e0e0}.form-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px;padding-top:16px;border-top:1px solid #e0e0e0}.form-actions .btn-primary,.form-actions .btn-secondary{margin:0}.delete-floor-choices{display:flex;flex-direction:column;gap:8px;margin-top:12px}.delete-floor-choices .choice{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid #d0d0d0;border-radius:4px;background-color:#fff;font-size:13px;cursor:pointer;transition:all .2s}.delete-floor-choices .choice:hover{background-color:#f0f0f0}.delete-floor-choices .choice input{margin:0}.btn-delete-floor{background-color:#c62828}.btn-delete-floor:hover{background-color:#a71d1d}.annotation-swatch-row{display:flex;flex-wrap:wrap;gap:6px}.annotation-swatch{width:22px;height:22px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;transition:transform .15s}.annotation-swatch:hover{transform:scale(1.15)}.annotation-swatch.selected{border-color:#1a1a1a}.annotation-mode-toggle{display:flex;gap:6px;margin-bottom:12px}.annotation-mode-btn{flex:1;padding:7px 10px;border:1px solid #d0d0d0;border-radius:4px;background-color:#fff;color:#333;font-size:13px;font-family:inherit;cursor:pointer;transition:all .2s}.annotation-mode-btn:hover{background-color:#f0f0f0}.annotation-mode-btn.active{background-color:#e3f2fd;border-color:#2196f3;color:#1565c0;font-weight:500}.annotation-component-list{max-height:240px;overflow-y:auto;border:1px solid #e0e0e0;border-radius:4px;padding:8px 12px;background-color:#fafafa}.annotation-floor-group{margin-bottom:8px}.annotation-floor-name{font-size:11px;font-weight:600;text-transform:uppercase;color:#888;margin-bottom:4px}.annotation-component-option{display:flex;align-items:center;gap:8px;padding:3px 4px;border-radius:3px;cursor:pointer;font-size:13px;color:#333}.annotation-component-option:hover{background-color:#f0f0f0}.annotation-component-option input{width:auto;margin:0}.shortcut-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1100;display:flex;align-items:center;justify-content:center;padding:24px;background-color:#00000073}.shortcut-dialog{width:100%;max-width:620px;max-height:calc(100vh - 48px);overflow:auto;background-color:#fff;border-radius:8px;box-shadow:0 10px 30px #00000040}.shortcut-dialog-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #e0e0e0}.shortcut-dialog-header h2{font-size:16px;font-weight:600}.shortcut-close{border:none;background:transparent;color:#666;cursor:pointer;font-size:14px;padding:4px 8px;border-radius:4px}.shortcut-close:hover{background-color:#f0f0f0;color:#333}.shortcut-groups{padding:16px 20px 20px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 32px}.shortcut-group h3{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:#888;margin-bottom:8px}.shortcut-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 0;font-size:13px}.shortcut-keys{display:flex;gap:4px;flex-shrink:0}.shortcut-keys kbd{display:inline-block;min-width:20px;padding:2px 6px;border:1px solid #d0d0d0;border-bottom-width:2px;border-radius:4px;background-color:#f7f7f7;font-family:inherit;font-size:11px;font-weight:600;color:#444;text-align:center}.shortcut-label{color:#555;text-align:right}@media (max-width: 560px){.shortcut-groups{grid-template-columns:1fr}}.zoom-toolbar{display:flex;align-items:center;gap:8px;padding:8px 12px;background-color:#fff;border-bottom:1px solid #e0e0e0;border-radius:4px 4px 0 0;flex-wrap:wrap}.zoom-btn{padding:6px 10px;background-color:#f5f5f5;border:1px solid #d0d0d0;border-radius:4px;cursor:pointer;font-size:13px;font-weight:500;color:#333;transition:all .2s;min-width:32px;text-align:center}.zoom-btn:hover:not(:disabled){background-color:#e8e8e8;border-color:#999}.zoom-btn:active:not(:disabled){background-color:#d8d8d8;transform:scale(.95)}.zoom-btn:disabled{opacity:.4;cursor:not-allowed}.zoom-display{min-width:50px;text-align:center;font-size:13px;font-weight:600;color:#333;padding:0 4px}.zoom-preset{min-width:auto;font-size:12px}.zoom-reset{background-color:#f0f0f0;border-color:#999;color:#555;font-size:12px}.zoom-reset:hover:not(:disabled){background-color:#e0e0e0}.zoom-separator{width:1px;height:20px;background-color:#d0d0d0}@media (max-width: 900px){.zoom-toolbar{gap:4px;padding:6px 8px}.zoom-btn,.zoom-preset{padding:4px 8px;font-size:12px}.zoom-display{min-width:40px;font-size:12px}}.floorplan-container{display:flex;flex-direction:column;flex:1;min-height:0;width:100%;height:100%;background-color:#fafafa}.floorplan-canvas-wrap{position:relative;flex:1;min-height:0;width:100%;background-color:#fff}.floorplan-canvas{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%;cursor:crosshair;background-color:#fff}.floorplan-canvas[data-mode=select]{cursor:grab}.floorplan-canvas[data-mode=select]:active{cursor:grabbing}.floorplan-mode-hint{position:absolute;bottom:10px;left:50%;transform:translate(-50%);padding:5px 12px;border-radius:4px;background-color:#2196f3e6;color:#fff;font-size:12px;pointer-events:none;box-shadow:0 1px 4px #0000004d}.floorplan-empty-hint{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);max-width:320px;padding:16px 20px;text-align:center;color:#8a8a8a;font-size:13px;line-height:1.5;pointer-events:none;-webkit-user-select:none;user-select:none}.floorplan-empty-title{font-size:15px;font-weight:600;color:#6b6b6b;margin-bottom:4px}.floorplan-empty-hint kbd{display:inline-block;min-width:18px;padding:1px 5px;border:1px solid #d0d0d0;border-bottom-width:2px;border-radius:4px;background-color:#f7f7f7;font-family:inherit;font-size:11px;font-weight:600;color:#555}.floorplan-toolbar{display:flex;gap:8px;padding:8px 12px;background-color:#fff;border-bottom:1px solid #e0e0e0;align-items:center}.floorplan-tool-button{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid #ccc;background-color:#fff;border-radius:4px;cursor:pointer;font-size:13px;transition:all .2s}.tool-key{font-family:inherit;font-size:10px;font-weight:600;color:#555;background-color:#f0f0f0;border:1px solid #c0c0c0;border-bottom-width:2px;border-radius:3px;padding:1px 5px;line-height:1.3}.floorplan-tool-button.active .tool-key{color:#fff;background-color:#ffffff38;border-color:#fff9}.floorplan-tool-button:hover{background-color:#f0f0f0}.floorplan-tool-button.active{background-color:#2196f3;color:#fff;border-color:#2196f3}.floorplan-info{margin-left:auto;font-size:12px;color:#666;padding:0 12px}.floorplan-delete-button{color:#c62828;border-color:#e0b4b4}.floorplan-delete-button:hover:not(:disabled){background-color:#fdecea}.floorplan-tool-button:disabled{opacity:.5;cursor:not-allowed}.floorplan-context-menu{position:absolute;z-index:20;display:flex;flex-direction:column;min-width:150px;padding:4px;background-color:#fff;border:1px solid #d0d0d0;border-radius:6px;box-shadow:0 4px 12px #00000026}.floorplan-context-menu button{display:flex;align-items:center;gap:8px;padding:7px 10px;border:none;background:transparent;border-radius:4px;font-size:13px;text-align:left;cursor:pointer;color:#333;font-family:inherit}.floorplan-context-menu button:hover{background-color:#f0f0f0}.floorplan-context-menu button.danger{color:#c62828}.floorplan-context-menu button.danger:hover{background-color:#fdecea}.editor-canvas.editor-topology.editor-topology-hidden{display:none}.topology-view{position:relative;width:100%;height:100%}.topology-svg{display:block;width:100%;height:100%;touch-action:none}.topology-toolbar{position:absolute;top:10px;right:10px;display:flex;gap:6px;z-index:10}.topology-mode-toggle{display:flex;gap:6px}.topology-zoom-toolbar{position:absolute;bottom:12px;right:12px;z-index:10;border-bottom:none;border-radius:6px;box-shadow:0 2px 8px #00000026}.topology-tool-button.active{background-color:#e3f2fd;border-color:#2196f3;color:#1565c0}.topology-connect-line{stroke:#2196f3;stroke-width:2;stroke-dasharray:6 4;pointer-events:none}.topology-node.pending rect.topology-node-hit{stroke:#2196f3;stroke-width:2.5;stroke-dasharray:6 4}.topology-tool-button{padding:5px 10px;border:1px solid #d0d0d0;border-radius:4px;background-color:#fff;color:#333;font-size:12px;font-family:inherit;cursor:pointer}.topology-tool-button:hover{background-color:#f0f0f0}.topology-node{cursor:grab}.topology-node:active{cursor:grabbing}.topology-node:hover rect.topology-node-hit{stroke:#2196f399;stroke-width:1.5;stroke-dasharray:4 3}.topology-node-emoji{pointer-events:none;-webkit-user-select:none;user-select:none}.topology-node-label{font-size:11px;font-family:inherit;fill:#333;stroke:#fff;stroke-width:4px;paint-order:stroke;pointer-events:none;-webkit-user-select:none;user-select:none}.topology-node-sub{font-size:9px;font-family:inherit;fill:#888;stroke:#fff;stroke-width:4px;paint-order:stroke;pointer-events:none;-webkit-user-select:none;user-select:none}.topology-floor-dot{pointer-events:none;-webkit-user-select:none;user-select:none}.topology-legend{position:absolute;bottom:12px;left:12px;z-index:10;display:flex;flex-direction:column;gap:4px;padding:8px 10px;background-color:#ffffffeb;border:1px solid #e0e0e0;border-radius:6px;box-shadow:0 2px 8px #0000001a;pointer-events:none}.topology-legend-row{display:flex;align-items:center;gap:6px}.topology-legend-swatch{width:10px;height:10px;border-radius:50%;border:1px solid rgba(0,0,0,.15)}.topology-legend-name{font-size:11px;color:#333;white-space:nowrap}.topology-edge{cursor:pointer}.topology-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:#999;font-size:14px;text-align:center;padding:0 24px}.topology-annotation-ring{pointer-events:none;-webkit-user-select:none;user-select:none}.topology-annotation-edge{stroke-dasharray:6 4;pointer-events:none;-webkit-user-select:none;user-select:none}.topology-annotation-label{font-size:10px;font-family:inherit;font-weight:600;stroke:#fff;stroke-width:4px;paint-order:stroke;pointer-events:none;-webkit-user-select:none;user-select:none}.topology-node-dimmed,.topology-edge-dimmed{opacity:.35}.topology-annotation-legend{pointer-events:auto;cursor:pointer}.topology-annotation-legend .topology-legend-title{font-size:10px;font-weight:600;text-transform:uppercase;color:#888;margin-bottom:2px;letter-spacing:.5px}.annotation-legend-row{border-radius:3px;padding:1px 3px}.annotation-legend-row:hover{background-color:#f0f0f0}.annotation-legend-row.active{background-color:#e8f5e9}.toast-host{position:fixed;top:64px;right:16px;z-index:1000;display:flex;flex-direction:column;gap:8px;max-width:min(360px,calc(100vw - 32px));pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:flex-start;gap:8px;padding:10px 12px;border-radius:6px;background-color:#fff;border:1px solid #e0e0e0;border-left-width:4px;box-shadow:0 4px 14px #00000029;font-size:13px;color:#333;animation:toast-in .18s ease-out}.toast-icon{flex-shrink:0;font-weight:700;line-height:1.4}.toast-message{flex:1;line-height:1.4;word-break:break-word}.toast-close{flex-shrink:0;border:none;background:transparent;color:#999;cursor:pointer;font-size:11px;line-height:1.4;padding:0 2px;border-radius:3px}.toast-close:hover{color:#333;background-color:#f0f0f0}.toast-info{border-left-color:#2196f3}.toast-info .toast-icon{color:#2196f3}.toast-success{border-left-color:#2e7d32}.toast-success .toast-icon{color:#2e7d32}.toast-warning{border-left-color:#f57c00}.toast-warning .toast-icon{color:#f57c00}.toast-error{border-left-color:#c62828}.toast-error .toast-icon{color:#c62828}@keyframes toast-in{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}@media (prefers-reduced-motion: reduce){.toast{animation:none}}.error-boundary{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px;background-color:#f5f5f5}.error-boundary-card{width:100%;max-width:520px;padding:28px;background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;box-shadow:0 6px 20px #0000001a}.error-boundary-card h1{font-size:20px;margin-bottom:12px;color:#b71c1c}.error-boundary-card p{font-size:14px;line-height:1.5;color:#555;margin-bottom:16px}.error-boundary-detail{margin-bottom:20px;padding:10px 12px;background-color:#f7f7f7;border:1px solid #eee;border-radius:4px;font-size:12px;color:#666;white-space:pre-wrap;word-break:break-word;max-height:160px;overflow:auto}.error-boundary-actions{display:flex;gap:10px}.error-boundary-actions .btn-primary{width:auto;margin-bottom:0}.error-boundary-secondary{padding:8px 12px;border:1px solid #d0d0d0;background-color:#f5f5f5;color:#444;border-radius:4px;cursor:pointer;font-size:13px;font-weight:500;transition:background-color .2s}.error-boundary-secondary:hover{background-color:#e0e0e0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5;color:#333}.app-container{display:flex;flex-direction:column;height:100vh}.main-toolbar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background-color:#fff;border-bottom:1px solid #e0e0e0;box-shadow:0 2px 4px #0000001a}.toolbar-left{display:flex;align-items:center;gap:16px}.app-title{font-size:20px;font-weight:600}.project-name{font-size:14px;color:#666;cursor:pointer}.project-name:hover{color:#2196f3}.project-name-input{font-size:14px;font-family:inherit;padding:2px 6px;border:1px solid #2196f3;border-radius:3px;outline:none}.toolbar-center{flex:1;display:flex;justify-content:center}.view-mode-selector{display:flex;gap:8px;background-color:#f0f0f0;padding:4px;border-radius:4px}.btn-view-mode{padding:6px 12px;border:none;background-color:transparent;cursor:pointer;border-radius:3px;font-size:13px;font-weight:500;transition:all .2s}.btn-view-mode:hover{background-color:#e0e0e0}.btn-view-mode.active{background-color:#2196f3;color:#fff}.toolbar-right{display:flex;align-items:center;gap:16px;font-size:12px}.save-indicator{font-weight:600;padding:4px 8px;border-radius:3px;background-color:#f0f0f0}.btn-debug-toggle,.btn-toolbar{padding:4px 8px;border:1px solid #d0d0d0;background-color:#f0f0f0;border-radius:3px;cursor:pointer;font-size:12px;font-weight:500;color:#555;transition:all .2s}.btn-toolbar:hover{background-color:#e0e0e0}.btn-toolbar.active{background-color:#e3f2fd;border-color:#2196f3;color:#1565c0}.export-menu-wrap{position:relative}.export-menu{position:absolute;right:0;top:calc(100% + 6px);z-index:40;min-width:200px;background-color:#fff;border:1px solid #e0e0e0;border-radius:6px;box-shadow:0 4px 12px #0000001f;padding:6px;display:flex;flex-direction:column;gap:2px}.export-menu-item{padding:7px 10px;border:none;background-color:transparent;text-align:left;font-size:12px;font-family:inherit;color:#333;border-radius:4px;cursor:pointer;white-space:nowrap}.export-menu-item:hover{background-color:#f0f0f0}.export-menu-item:disabled{opacity:.45;cursor:default}.export-menu-item:disabled:hover{background-color:transparent}.export-menu-separator{height:1px;background-color:#e0e0e0;margin:4px 6px}.export-menu-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:#888;padding:4px 10px 2px}.btn-debug-toggle:hover{background-color:#e0e0e0}.btn-debug-toggle.active{background-color:#1b5e20;border-color:#1b5e20;color:#fff}.last-saved{color:#999}.app-main{display:flex;flex:1;overflow:hidden}.sidebar{width:280px;background-color:#fff;border-right:1px solid #e0e0e0;overflow-y:auto;padding:16px}.sidebar-section{margin-bottom:24px}.sidebar-section h2{font-size:14px;font-weight:600;margin-bottom:12px;text-transform:uppercase;color:#666}.btn-primary{width:100%;padding:8px 12px;background-color:#2196f3;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:13px;font-weight:500;transition:background-color .2s;margin-bottom:12px}.btn-primary:hover{background-color:#1976d2}.floor-list,.floor-list-item{display:flex;flex-direction:column;gap:4px}.floor-item-dot{flex-shrink:0;width:12px;height:12px;border-radius:50%;border:1px solid rgba(0,0,0,.15);cursor:pointer;transition:transform .15s}.floor-item-dot:hover{transform:scale(1.25)}.floor-color-picker{display:flex;flex-wrap:wrap;gap:6px;padding:8px;background-color:#fff;border:1px solid #e0e0e0;border-radius:6px}.floor-color-swatch{width:18px;height:18px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;transition:transform .15s}.floor-color-swatch:hover{transform:scale(1.2)}.floor-color-swatch.selected{border-color:#1a1a1a}.floor-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;background-color:#f5f5f5;border-radius:4px;cursor:pointer;font-size:13px;transition:all .2s;border:1px solid transparent}.floor-item:hover{background-color:#eee}.floor-item.active{background-color:#e3f2fd;border-color:#2196f3;color:#1976d2;font-weight:500}.floor-item-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.floor-item-delete{flex-shrink:0;border:none;background:transparent;color:#999;cursor:pointer;font-size:13px;line-height:1;padding:2px 5px;border-radius:3px;opacity:0;transition:all .2s}.floor-item:hover .floor-item-delete,.floor-item-delete:focus-visible{opacity:1}.floor-item-delete:hover{color:#fff;background-color:#c62828}.floor-item-edit{flex-shrink:0;border:none;background:transparent;color:#666;cursor:pointer;font-size:13px;line-height:1;padding:2px 5px;border-radius:3px;transition:all .2s}.floor-item-edit:hover{color:#fff;background-color:#1976d2}.floor-item-move{flex-shrink:0;width:22px;height:22px;border:1px solid #d0d0d0;background-color:#fff;color:#333;border-radius:3px;cursor:pointer;font-size:13px;line-height:1;padding:0;transition:all .2s}.floor-item-move:hover:not(:disabled){background-color:#e3f2fd;border-color:#2196f3;color:#1565c0}.floor-item-move:disabled{opacity:.35;cursor:default}.floor-item-rename-input{flex:1;min-width:0;padding:2px 6px;border:1px solid #2196f3;border-radius:3px;font-size:13px;font-family:inherit;outline:none}.floor-settings{margin-top:12px;padding:12px;background-color:#f9f9f9;border-radius:6px}.floor-settings h3{font-size:12px;font-weight:600;text-transform:uppercase;color:#666;margin-bottom:6px}.floor-settings .form-group{margin-bottom:0}.text-muted{color:#999;font-size:12px}.editor-area{flex:1;display:flex;flex-direction:column;background-color:#fafafa;overflow:hidden}.editor-area-hybrid{flex-direction:row}.editor-area-hybrid .editor-half{flex:1;min-width:0}.editor-canvas{flex:1;display:flex;align-items:center;justify-content:center;background-color:#fff;border:1px solid #e0e0e0;margin:8px;border-radius:4px}.editor-canvas.editor-floorplan{display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;min-height:0;padding:0;overflow:hidden}.editor-canvas.editor-topology{display:flex;align-items:center;justify-content:center}.editor-placeholder{text-align:center;color:#999}.editor-placeholder p{margin:8px 0;font-size:14px}.editor-placeholder .btn-primary{width:auto;margin:8px auto 0;padding:8px 16px}.app-loading{display:flex;align-items:center;justify-content:center;height:100vh;font-size:18px;color:#666}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#999}