.md-preview{overflow:auto;height:100%;padding:24px 32px;background:var(--bg-app);color:var(--text-default);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;position:relative}.md-preview-content{position:relative;min-height:100%}.md-preview h1,.md-preview h2,.md-preview h3{color:var(--text-primary);border-bottom:1px solid var(--border-default);padding-bottom:4px}.md-preview pre{background:var(--bg-code);padding:12px;border-radius:4px;overflow:auto}.md-preview code{background:var(--bg-elevated);padding:2px 4px;border-radius:3px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:.9em}.md-preview pre code{background:transparent;padding:0}.md-preview table{border-collapse:collapse}.md-preview th,.md-preview td{border:1px solid var(--border-default);padding:4px 8px}.md-preview a{color:#4ea1ff}.md-mermaid{margin:12px 0;display:flex;justify-content:center}.md-mermaid svg{max-width:100%;height:auto}.md-mermaid-error{background:#3a1a1a;color:#f88;padding:8px 12px;border-radius:4px;white-space:pre-wrap}.md-preview--with-margin{position:relative}.vd-comment-anchor{background:#ffdc642e;color:inherit;border-bottom:1px dotted rgba(255,220,100,.6);cursor:pointer}.vd-comment-anchor--resolved{background:#b4b4b41f;border-bottom-color:#b4b4b480}.vd-block-comment{display:none}.vd-comment-margin{position:absolute;top:24px;right:16px;width:240px;pointer-events:none}.vd-comment-bubble{position:absolute;right:0;width:100%;background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:6px;color:var(--text-default);font-size:12px;pointer-events:auto;box-shadow:0 2px 6px var(--shadow-soft)}.vd-comment-bubble--resolved{opacity:.6}.vd-comment-bubble--collapsed{display:inline-flex;align-items:center;gap:6px;width:auto;padding:4px 8px;cursor:pointer}.vd-comment-bubble-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#ffcd55}.vd-comment-bubble--expanded{padding:8px}.vd-comment-bubble-header{display:flex;justify-content:space-between;font-size:11px;color:var(--text-faint);margin-bottom:4px}.vd-comment-bubble-close{background:transparent;color:var(--text-subdued);border:none;cursor:pointer}.vd-comment-bubble-messages{list-style:none;margin:0;padding:0;max-height:200px;overflow-y:auto}.vd-comment-message{padding:4px 0;border-bottom:1px solid var(--border-default)}.vd-comment-message:last-child{border-bottom:none}.vd-comment-message-author{font-weight:600;color:#ffcd55;margin-right:6px}.vd-comment-message-ts{font-size:10px;color:var(--text-fainter)}.vd-comment-message-text{margin:2px 0 0;white-space:pre-wrap}.vd-comment-bubble-input{width:100%;background:var(--bg-app);color:var(--text-default);border:1px solid var(--border-medium);border-radius:3px;padding:4px;font-size:12px;box-sizing:border-box}.vd-comment-bubble-actions{display:flex;gap:6px;margin-top:4px}.vd-new-comment-trigger,.vd-new-comment-popover{position:absolute;z-index:10}.vd-new-comment-trigger{background:var(--bg-elevated);color:var(--text-default);border:1px solid var(--border-strong);border-radius:4px;padding:2px 8px;font-size:11px;cursor:pointer}.vd-block-trigger-wrapper{position:relative}.vd-block-trigger{position:absolute;top:6px;right:6px;z-index:5;background:var(--bg-elevated);color:var(--text-default);border:1px solid var(--border-strong);border-radius:4px;padding:2px 8px;font-size:11px;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .1s ease-in-out}.vd-block-trigger-wrapper:hover .vd-block-trigger{opacity:1;pointer-events:auto}.vd-block-trigger-popover{position:absolute;top:6px;right:6px;z-index:6;background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:6px;padding:6px;width:240px}.vd-block-trigger-input{width:100%;background:var(--bg-app);color:var(--text-default);border:1px solid var(--border-medium);border-radius:3px;padding:4px;box-sizing:border-box}.vd-block-trigger-actions{display:flex;gap:6px;margin-top:4px}.vd-new-comment-popover{background:var(--bg-elevated);border:1px solid var(--border-strong);border-radius:6px;padding:6px;width:240px}.vd-new-comment-input{width:100%;background:var(--bg-app);color:var(--text-default);border:1px solid var(--border-medium);border-radius:3px;padding:4px;box-sizing:border-box}.vd-new-comment-actions{display:flex;gap:6px;margin-top:4px}.draw-overlay{position:absolute;inset:0;width:100%;height:100%;z-index:4;pointer-events:none}.draw-overlay.draw-overlay-pen{pointer-events:auto;cursor:crosshair;touch-action:none}.draw-overlay-stroke{fill:none;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}.draw-overlay-stroke-erasable{pointer-events:stroke;cursor:pointer}.draw-overlay-cursor,.draw-overlay-cursor-dot{pointer-events:none}.draw-overlay-cursor-label{font-size:12px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;fill:#fff;paint-order:stroke;stroke:var(--shadow-strong);stroke-width:3px;stroke-linecap:round;stroke-linejoin:round;pointer-events:none;user-select:none}.app-container{display:flex;flex-direction:column;height:100vh;width:100%;max-width:none;margin:0;padding:0;text-align:left}.workspace-container{display:flex;flex-direction:column;width:100vw;height:100vh;margin:0;padding:0;overflow:hidden}.split-container{display:flex;flex:1;min-height:0;overflow:hidden}.files-pane{width:200px;flex-shrink:0;transition:width .15s ease}.files-pane.collapsed{width:28px}.editor-pane-col,.right-pane{flex:1 1 0;min-width:0;transition:flex .15s ease}.editor-pane-col.collapsed,.right-pane.collapsed{flex:0 0 28px}.collapsible-pane-content{display:contents}.files-pane.collapsed>.collapsible-pane-content,.editor-pane-col.collapsed>.collapsible-pane-content,.right-pane.collapsed>.collapsible-pane-content{display:none}.split-spacer{flex:0 0 0;min-width:0;transition:flex .15s ease}.split-container:has(.editor-pane-col.collapsed):has(.right-pane.collapsed) .split-spacer{flex:1 1 0}.files-pane,.editor-pane-col,.right-pane{overflow:hidden;position:relative;display:flex;flex-direction:column;min-width:0}.files-pane{background:var(--bg-app);border-right:1px solid var(--border-default)}.files-pane:not(.collapsed){overflow-y:auto}.editor-pane-col{border-right:1px solid var(--border-default)}.right-pane.collapsed{border-left:1px solid var(--border-default);background:var(--bg-app)}.file-tree-header,.editor-tab-bar,.right-pane .drawing-toolbar{height:32px!important;min-height:32px!important;box-sizing:border-box!important;align-items:center!important}.right-pane:not(.collapsed) .drawing-toolbar{padding-right:32px}.editor-pane-col:not(.collapsed) .editor-tab-bar{padding-right:28px}.pane-edge-toggle{position:absolute;top:6px;z-index:4;display:flex;align-items:center;justify-content:center;width:18px;height:22px;padding:0;border:1px solid var(--border-medium);border-radius:3px;background:var(--bg-elevated-2);color:var(--text-secondary);font-size:10px;cursor:pointer;line-height:1;box-shadow:0 1px 3px var(--shadow-soft)}.pane-edge-toggle:hover{background:var(--border-strong);color:var(--text-primary);border-color:var(--border-muted)}.pane-edge-toggle-right{right:4px}.pane-edge-toggle-left{left:4px}.files-pane.collapsed .pane-edge-toggle,.editor-pane-col.collapsed .pane-edge-toggle,.right-pane.collapsed .pane-edge-toggle{left:50%;right:auto;transform:translate(-50%)}.editor-pane{width:100%;flex:1;min-height:0}.preview-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:2rem}.preview-placeholder p{color:var(--text-faint)}.preview-error{flex:1;padding:1rem;overflow-y:auto;color:#f99}.app-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:var(--bg-app);border-bottom:1px solid var(--border-default);color:#fff}.app-header h1{margin:0;font-size:1.5rem;font-weight:600}.toolbar{display:flex;align-items:center;gap:1rem}.language-indicator{padding:.5rem 1rem;background-color:var(--bg-elevated-2);color:var(--accent-primary);font-size:.9rem;border-radius:4px;border:1px solid var(--accent-primary);font-weight:500}.create-btn{padding:.5rem 1rem;background-color:var(--accent-primary);color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .2s}.create-btn:hover{background-color:var(--accent-primary-hover)}.document-info,.account-info{font-size:.9rem;color:var(--text-secondary);font-style:italic}.account-info{color:orange}.loading-container,.error-container,.create-diagram-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;text-align:center;padding:2rem}.loading-spinner h2,.error-container h2{color:var(--text-primary);margin-bottom:1rem}.loading-spinner p,.error-container p{color:var(--text-secondary);margin-bottom:2rem}.loading-container h2{color:var(--text-primary);margin-bottom:1rem}.loading-container p{color:var(--text-secondary);margin-bottom:1.5rem;max-width:30rem}.loading-rescue-actions{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center}.loading-rescue-primary,.loading-rescue-secondary{padding:.55rem 1.1rem;border-radius:6px;font-size:.9rem;cursor:pointer}.loading-rescue-primary{background:var(--accent-action);color:var(--text-primary);border:none}.loading-rescue-primary:hover{background:var(--accent-action-hover)}.loading-rescue-secondary{background:transparent;color:var(--text-subdued);border:1px solid var(--border-input)}.loading-rescue-secondary:hover{background:var(--bg-elevated);color:var(--text-secondary)}.title-input{padding:.5rem;border:1px solid var(--border-input);border-radius:4px;background-color:var(--bg-elevated-2);color:#fff;font-size:.9rem;margin-right:1rem;min-width:200px}.title-input:focus{outline:none;border-color:var(--accent-primary)}.editor-main{flex:1;overflow:hidden}.editor-container{height:100%;border:none;border-radius:0}.app-footer{padding:.5rem 2rem;background-color:var(--bg-app-footer);border-top:1px solid var(--border-default);color:var(--text-faint);font-size:.8rem;text-align:center}.app-footer p{margin:0}@media (max-width: 768px){.app-header{flex-direction:column;gap:1rem;padding:1rem}.toolbar{width:100%;justify-content:space-between}.app-header h1{font-size:1.2rem}}.loading{opacity:.7;pointer-events:none}.sim-controls{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:4px 8px;background:var(--bg-sim-controls);border-bottom:1px solid var(--border-default);flex-shrink:0}.sim-controls-buttons{display:flex;align-items:center;gap:4px}.sim-btn{padding:3px 10px;font-size:12px;font-weight:500;border:1px solid var(--border-input);border-radius:3px;background:var(--bg-control);color:var(--text-secondary);cursor:pointer;line-height:1.4}.sim-btn:hover:not(:disabled){background:var(--bg-control-hover);color:var(--text-primary)}.sim-btn:disabled{opacity:.4;cursor:default}.sim-btn-primary{background:var(--accent-link);border-color:var(--accent-link);color:var(--text-primary)}.sim-btn-primary:hover:not(:disabled){background:var(--accent-link-hover)}.sim-btn-toggle-on{background:var(--accent-link);border-color:var(--accent-link);color:var(--text-primary)}.sim-btn-toggle-on:hover:not(:disabled){background:var(--accent-link-hover)}.sim-btn-back{margin-right:4px}.sim-btn-danger{border-color:#c62828;color:#ef9a9a}.sim-btn-danger:hover:not(:disabled){background:#c62828;color:var(--text-primary)}.sim-dropdown-group{display:flex;align-items:center;gap:8px;margin-left:8px;border-left:1px solid var(--border-medium);padding-left:8px}.sim-dropdown-label{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text-muted)}.sim-select{padding:2px 4px;font-size:11px;background:var(--bg-control);color:var(--text-secondary);border:1px solid var(--border-input);border-radius:3px;cursor:pointer}.sim-select:disabled{opacity:.4;cursor:default}.simulation-toolbar{position:absolute;top:44px;right:12px;z-index:5;display:flex;flex-direction:column;align-items:stretch;gap:4px;padding:6px 8px;background:var(--bg-overlay-88);border:1px solid var(--border-default);border-radius:8px;box-shadow:0 4px 12px var(--shadow-soft);backdrop-filter:blur(4px);pointer-events:auto;max-width:calc(100% - 24px)}.simulation-toolbar-buttons{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.simulation-toolbar-status{display:flex;align-items:center;gap:8px;font-size:11px;padding-top:2px;border-top:1px solid var(--border-default)}.simulation-toolbar .sim-dropdown-group{margin-left:4px;padding-left:6px}.sim-status{padding:1px 6px;border-radius:3px;font-weight:500;text-transform:uppercase;font-size:10px;letter-spacing:.5px}.sim-status-idle{color:var(--text-status-idle)}.sim-status-running{color:#4caf50}.sim-status-paused{color:#ff9800}.sim-status-done{color:var(--accent-link)}.sim-status-error{color:#f44336}.sim-time{color:var(--text-status-idle);font-variant-numeric:tabular-nums}.sim-error{color:#f44336;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sim-title-input{padding:2px 6px;font-size:12px;font-weight:500;background:transparent;color:var(--text-strong);border:1px solid transparent;border-radius:3px;min-width:120px;max-width:240px}.sim-title-input:hover{border-color:var(--border-input)}.sim-title-input:focus{outline:none;border-color:var(--accent-link);background:var(--bg-elevated-2)}.project-list-page{max-width:960px;margin:0 auto;padding:2rem;color:var(--text-strong)}.project-list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.project-list-header h1{font-size:1.5rem;margin:0}.github-link{color:#a0a0a0;text-decoration:none;font-size:.85rem}.github-link:hover{color:var(--accent-primary)}.report-issue-link{color:#a0a0a0;text-decoration:none;font-size:.85rem;white-space:nowrap}.report-issue-link:hover{color:var(--accent-primary)}.error-boundary-message{max-width:60ch;margin:0 0 1.5rem;padding:.75rem 1rem;border-radius:6px;background:var(--bg-secondary);color:var(--text-primary);font-size:.85rem;text-align:left;white-space:pre-wrap;overflow-wrap:anywhere}.error-boundary-actions{display:flex;align-items:center;gap:1rem}.error-boundary-report{padding:.5rem 1rem;border-radius:6px;background:var(--accent-action);color:#fff;font-size:.9rem}.error-boundary-report:hover{background:var(--accent-action-hover);color:#fff}.new-project-btn{background:var(--accent-action);color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.9rem}.new-project-btn:hover{background:var(--accent-action-hover)}.project-section{margin-bottom:2.5rem}.project-section h2{font-size:1.1rem;margin-bottom:1rem;color:var(--text-soft)}.empty-state{color:var(--text-faint);font-style:italic}.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.project-card{background:var(--bg-card);border:1px solid var(--border-default);border-radius:8px;padding:1rem;cursor:pointer;transition:border-color .2s}.project-card:hover{border-color:var(--accent-action)}.project-card-header{display:flex;justify-content:space-between;align-items:flex-start}.project-card-header h3{margin:0 0 .5rem;font-size:1rem}.delete-btn{background:none;border:none;color:var(--text-disabled);cursor:pointer;font-size:.9rem;padding:0 .25rem}.delete-btn:hover{color:#e74c3c}.example-badge{background:#2ecc71;color:#000;font-size:.7rem;padding:.15rem .5rem;border-radius:4px;font-weight:700}.project-description{color:var(--text-muted);font-size:.85rem;margin:.25rem 0}.project-meta{color:var(--text-disabled);font-size:.75rem;margin:.5rem 0 0}.example-card{border-color:#2a3a2a}.example-card:hover{border-color:#2ecc71}.project-card-actions{display:flex;align-items:center;gap:.5rem}.role-badge{font-size:.65rem;padding:.1rem .4rem;border-radius:3px;font-weight:600;text-transform:uppercase}.role-admin{background:var(--accent-action);color:var(--text-primary)}.role-writer{background:#9b59b6;color:var(--text-primary)}.role-reader{background:var(--bg-control-active);color:var(--text-secondary)}.sim-btn-public{background:#2ecc71!important;color:#000!important}.api-key-setup-backdrop{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg-modal)}.api-key-setup-card{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:2.5rem;background:var(--bg-card);border:1px solid var(--border-default);border-radius:12px;max-width:420px;width:100%}.api-key-setup-title{margin:0;font-size:1.5rem;color:var(--text-strong)}.api-key-setup-subtitle{margin:0;color:var(--text-muted);font-size:.95rem}.api-key-setup-link{color:var(--accent-action);font-size:.85rem}.api-key-setup-link:hover{color:var(--accent-link-soft)}.api-key-setup-input{width:100%;padding:.6rem .8rem;border:1px solid var(--border-input);border-radius:6px;background:var(--bg-elevated-2);color:var(--text-strong);font-size:.9rem;box-sizing:border-box}.api-key-setup-input:focus{outline:none;border-color:var(--accent-action)}.api-key-setup-button{width:100%;padding:.6rem;background:var(--accent-action);color:var(--text-primary);border:none;border-radius:6px;font-size:.95rem;cursor:pointer}.api-key-setup-button:hover:not(:disabled){background:var(--accent-action-hover)}.api-key-setup-button:disabled{opacity:.4;cursor:default}.api-key-setup-divider{text-align:center;color:var(--text-faint);font-size:.85rem;margin:.25rem 0}.api-key-setup-local-button{width:100%;padding:.6rem;background:transparent;color:var(--text-subdued);border:1px solid var(--border-input);border-radius:6px;font-size:.9rem;cursor:pointer}.api-key-setup-local-button:hover{background:var(--bg-elevated);color:var(--text-secondary)}.api-key-setup-hint{margin:0;color:var(--text-faint);font-size:.8rem;text-align:center}.project-list-header-actions{display:flex;align-items:center;gap:.75rem}.api-key-settings-toggle{background:transparent;border:1px solid var(--border-input);color:var(--text-muted);padding:.4rem .75rem;border-radius:6px;cursor:pointer;font-size:.8rem}.api-key-settings-toggle:hover{color:var(--text-strong);border-color:var(--border-emphasis)}.api-key-settings-panel{display:flex;flex-direction:column;gap:.5rem;background:var(--bg-card);border:1px solid var(--border-medium);border-radius:8px;padding:1rem;min-width:260px}.api-key-settings-local-notice{margin:0 0 .5rem;padding:.4rem .6rem;background:var(--bg-elevated);border-radius:4px;font-size:.8rem;color:#f0ad4e}.api-key-settings-label{display:flex;flex-direction:column;gap:.3rem;font-size:.8rem;color:var(--text-soft)}.api-key-settings-input{padding:.4rem .6rem;border:1px solid var(--border-input);border-radius:4px;background:var(--bg-elevated-2);color:var(--text-strong);font-size:.85rem}.api-key-settings-input:focus{outline:none;border-color:var(--accent-action)}.api-key-settings-link{color:var(--accent-action);font-size:.75rem}.api-key-settings-actions{display:flex;gap:.5rem;margin-top:.25rem}.api-key-settings-save{flex:1;padding:.35rem .5rem;background:var(--accent-action);color:var(--text-primary);border:none;border-radius:4px;cursor:pointer;font-size:.8rem}.api-key-settings-save:hover:not(:disabled){background:var(--accent-action-hover)}.api-key-settings-save:disabled{opacity:.4;cursor:default}.api-key-settings-cancel{padding:.35rem .5rem;background:transparent;color:var(--text-muted);border:1px solid var(--border-input);border-radius:4px;cursor:pointer;font-size:.8rem}.api-key-settings-cancel:hover{color:var(--text-strong);border-color:var(--border-emphasis)}.authorized-accounts-panel{display:flex;flex-direction:column;gap:.5rem;background:var(--bg-card);border:1px solid var(--border-medium);border-radius:8px;padding:1rem;min-width:320px}.authorized-accounts-header{display:flex;justify-content:space-between;align-items:center}.authorized-accounts-title{font-size:.85rem;font-weight:600;color:var(--text-strong)}.authorized-accounts-hint{font-size:.75rem;color:var(--text-faint);margin:0;line-height:1.4}.authorized-accounts-list{display:flex;flex-direction:column;gap:.35rem}.authorized-account-row{display:flex;align-items:center;gap:.5rem;padding:.3rem .5rem;background:var(--bg-elevated-2);border-radius:4px;font-size:.8rem}.authorized-account-id{flex:1;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:monospace;font-size:.75rem}.authorized-accounts-add-row{display:flex;gap:.4rem;align-items:center}.authorized-accounts-add-row .api-key-settings-input{flex:1;min-width:0}.authorized-accounts-add-row .api-key-settings-save{flex:none;white-space:nowrap}.authorized-accounts-role-select{padding:.4rem;border:1px solid var(--border-input);border-radius:4px;background:var(--bg-elevated-2);color:var(--text-strong);font-size:.8rem;cursor:pointer}.readonly-banner{display:flex;align-items:center;justify-content:center;gap:12px;padding:6px 16px;background:#2a2a1e;border-bottom:1px solid var(--border-input);color:#e0c060;font-size:13px;flex-shrink:0}.version-mismatch-banner{background:#1e2a2e;color:#60b0e0;border:1px solid var(--border-input);border-radius:6px;padding:6px 16px;display:flex;align-items:center;gap:12px;margin:0 12px}.account-id-display{display:flex;align-items:center;gap:.5rem;font-size:.8rem}.account-id-label{color:var(--text-faint);white-space:nowrap}.account-id-value{color:var(--text-strong);background:var(--bg-elevated-2);padding:.2rem .5rem;border-radius:4px;font-size:.75rem;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-id-copy-btn{background:transparent;border:1px solid var(--border-input);color:var(--text-muted);padding:.2rem .5rem;border-radius:4px;cursor:pointer;font-size:.7rem;white-space:nowrap}.account-id-copy-btn:hover{color:var(--text-strong);border-color:var(--border-emphasis)}.drawing-toolbar{display:flex;gap:8px;align-items:center;padding:6px 10px;background:var(--bg-overlay-85);border-bottom:1px solid var(--border-default);flex-shrink:0}.drawing-toolbar-group{display:flex;align-items:center;gap:4px;padding-left:8px;border-left:1px solid var(--border-default)}.drawing-toolbar-toggle{padding:3px 10px;font-size:12px;font-weight:500;border:1px solid var(--border-input);border-radius:3px;background:var(--bg-control);color:var(--text-secondary);cursor:pointer;line-height:1.4}.drawing-toolbar-toggle:hover{background:var(--bg-control-hover);color:var(--text-primary)}.drawing-toolbar-toggle-on{background:var(--accent-link);border-color:var(--accent-link);color:var(--text-primary)}.drawing-toolbar-tool{padding:3px 8px;font-size:11px;border:1px solid var(--border-input);border-radius:3px;background:var(--bg-control);color:var(--text-secondary);cursor:pointer}.drawing-toolbar-tool:hover{background:var(--bg-control-hover);color:var(--text-primary)}.drawing-toolbar-tool-active{background:var(--bg-control-active);border-color:var(--border-active);color:var(--text-primary)}.drawing-toolbar-swatch{width:20px;height:20px;padding:0;border:2px solid var(--border-input);border-radius:50%;cursor:pointer}.drawing-toolbar-swatch-active{border-color:var(--border-white);border-width:3px}.drawing-toolbar-width{display:flex;align-items:center;justify-content:center;width:24px;height:24px;padding:0;border:1px solid var(--border-input);border-radius:3px;background:var(--bg-control);cursor:pointer}.drawing-toolbar-width:hover{background:var(--bg-control-hover)}.drawing-toolbar-width-active{border-color:var(--border-white);box-shadow:0 0 0 1px var(--border-white)}.drawing-toolbar-width-dot{display:inline-block;background:var(--text-secondary);border-radius:50%}.drawing-toolbar-clear{margin-left:auto}.embed-dialog-backdrop{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:#00000073}.embed-dialog{display:flex;flex-direction:column;gap:.75rem;width:min(640px,calc(100vw - 2rem));max-height:calc(100vh - 4rem);overflow-y:auto;padding:1.25rem 1.5rem;background:var(--bg-card);border:1px solid var(--border-default);border-radius:12px;box-shadow:0 8px 32px #00000040}.embed-dialog-header{display:flex;align-items:center;justify-content:space-between}.embed-dialog-header h2{margin:0;font-size:1.1rem;color:var(--text-strong)}.embed-dialog-body{display:flex;flex-direction:column;gap:1rem}.embed-dialog-section{display:flex;flex-direction:column;gap:.35rem}.embed-dialog-section-header{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.embed-dialog-section-header h3{margin:0;font-size:.9rem;color:var(--text-strong)}.embed-dialog-hint{margin:0;font-size:.8rem;color:var(--text-muted)}.embed-dialog-code{margin:0;padding:.5rem .65rem;background:var(--bg-code);border:1px solid var(--border-default);border-radius:6px;font-size:.75rem;max-height:6.5rem;overflow:auto;white-space:pre-wrap;word-break:break-all;user-select:all}.embed-dialog-status{margin:0;color:var(--text-muted)}.embed-dialog-error{margin:0;color:#c62828}.embed-dialog-size{margin:0;font-size:.8rem;color:var(--text-muted)}.embed-dialog-size-warning{color:#ef6c00}:root{--bg-base: #ffffff;--bg-app: #fafafa;--bg-elevated: #f0f0f0;--bg-elevated-hover: #e6e6e6;--bg-elevated-2: #f5f5f5;--bg-control: #ececec;--bg-control-hover: #dedede;--bg-control-active: #c8c8c8;--bg-sim-controls: #f3f3f3;--bg-card: #f7f7f9;--bg-modal: #ffffff;--bg-code: #f6f8fa;--bg-app-footer: #f0f0f0;--bg-button-default: #f5f5f5;--bg-overlay-88: rgba(250, 250, 250, .92);--bg-overlay-85: rgba(250, 250, 250, .88);--text-primary: #1a1a1a;--text-strong: #1a1a1a;--text-default: #2a2a2a;--text-secondary: #3a3a3a;--text-soft: #4a4a4a;--text-muted: #5a5a5a;--text-faint: #7a7a7a;--text-fainter: #9a9a9a;--text-disabled: #b0b0b0;--text-subdued: #6a6a6a;--text-status-idle: #7a7a7a;--text-rgba-87: rgba(0, 0, 0, .87);--border-default: #e0e0e0;--border-strong: #d0d0d0;--border-medium: #d8d8d8;--border-input: #c8c8c8;--border-muted: #b0b0b0;--border-emphasis: #8a8a8a;--border-soft: #ccc;--border-white: #1a1a1a;--border-active: #555;--accent-primary: #646cff;--accent-primary-hover: #535bf2;--accent-action: #3498db;--accent-action-hover: #2980b9;--accent-link: #1a73e8;--accent-link-hover: #1565c0;--accent-link-soft: #5dade2;--node-bg: #ffffff;--node-border: #c8c8d0;--node-text: #2a2a2a;--metric-node-bg: #f5f5f7;--group-bg: rgba(245, 245, 247, .6);--group-border: #b8b8c8;--group-header-bg: rgba(230, 230, 240, .85);--group-header-text: #4a4a5a;--shadow-soft: rgba(0, 0, 0, .08);--shadow-strong: rgba(0, 0, 0, .18)}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:var(--text-rgba-87);background-color:var(--bg-base);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}a{font-weight:500;color:var(--accent-primary);text-decoration:inherit}a:hover{color:var(--accent-primary-hover)}body{margin:0;padding:0;min-width:320px;min-height:100vh;overflow:hidden}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--bg-button-default);color:var(--text-default);cursor:pointer;transition:border-color .25s}button:hover{border-color:var(--accent-primary)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}#root{margin:0;padding:0;width:100%;height:100%}.app-container{display:flex;flex-direction:column;height:100vh;width:100%}.editor-container{flex:1;border:1px solid var(--border-soft);border-radius:4px;overflow:hidden}