.canvas-container{position:relative;flex:1;height:100%;overflow:hidden;background-color:var(--color-canvas-bg)}.canvas{display:block;width:100%;height:100%;touch-action:none}.text-editor-inline{position:fixed;transform:translate(-50%,-50%);z-index:1000;pointer-events:none}.text-editor-inline-input{pointer-events:auto;padding:var(--spacing-sm) var(--spacing-md);font-size:16px;font-family:var(--font-family-hand-drawn);color:var(--color-text-primary);background-color:#fffffff2;border:2px solid var(--color-accent);border-radius:var(--radius-md);outline:none;text-align:center;min-width:120px;box-shadow:0 4px 12px #00000026;transition:all var(--transition-fast)}.text-editor-inline-input:focus{border-color:var(--color-accent);box-shadow:0 4px 16px #2196f34d;background-color:#fff}.zoom-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;z-index:999;animation:zoomIndicatorFadeIn var(--transition-fast)}.zoom-indicator-content{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-lg);background-color:#000000bf;border-radius:var(--radius-lg);color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 8px 24px #0000004d}.zoom-indicator-text{font-size:24px;font-weight:600;font-family:var(--font-family-base);line-height:1}.zoom-indicator svg{color:#fff;opacity:.9}@keyframes slideUp{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes zoomIndicatorFadeIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.9)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.context-menu{background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);padding:var(--spacing-xs);min-width:160px;animation:fadeIn .15s ease}.context-menu-item{display:flex;align-items:center;gap:var(--spacing-sm);width:100%;padding:var(--spacing-sm) var(--spacing-md);background:none;border:none;color:var(--color-text-primary);font-size:14px;font-weight:500;text-align:left;cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.context-menu-item:hover{background-color:var(--color-accent-light);color:var(--color-accent)}@media(prefers-color-scheme:dark){.context-menu{background-color:#2a2b2e;border-color:#404040}}.logo-container{display:inline-flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;flex-shrink:0}.logo-svg{display:block}.logo-container:hover .logo-svg circle{transition:all var(--transition-fast);opacity:1}.logo-container:hover .logo-svg path{transition:all var(--transition-fast);stroke-width:2.5}.toolbar{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm);gap:var(--spacing-md);flex-wrap:wrap}.toolbar-section{display:flex;align-items:center;gap:var(--spacing-sm)}.toolbar-branding{gap:var(--spacing-sm);margin-left:var(--spacing-lg)}.toolbar-brand-text{display:flex;flex-direction:column;justify-content:center;gap:2px}.toolbar-brand-title{font-size:20px;font-weight:700;color:#000;line-height:1.2}.toolbar-brand-tagline{font-size:12px;font-weight:400;color:#000;line-height:1.2}.toolbar-tagline{font-size:15px;font-weight:500;color:var(--color-text-secondary);letter-spacing:.5px;white-space:nowrap;display:flex;align-items:center}.toolbar-title{font-size:18px;font-weight:600;color:var(--color-text-primary);margin-right:var(--spacing-md);white-space:nowrap}.toolbar-tools{flex:1;justify-content:center}.toolbar-actions{margin-left:auto}.toolbar-button{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);font-size:14px;font-weight:500;color:var(--color-text-secondary);background-color:transparent;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.toolbar-button:hover{background-color:var(--color-bg-tertiary);color:var(--color-text-primary)}.toolbar-button.active{background-color:var(--color-accent-light);color:var(--color-accent);border-color:var(--color-accent)}.toolbar-button-icon{font-size:18px;line-height:1}.toolbar-button-label{font-size:13px}.toolbar-button-primary{background-color:var(--color-accent);color:#fff;border-color:var(--color-accent)}.toolbar-button-primary:hover{background-color:var(--color-accent-hover);color:#fff}.toolbar-button-secondary{border-color:var(--color-border)}.toolbar-button-secondary:hover{border-color:var(--color-text-tertiary)}.toolbar-button-link{text-decoration:none;background-color:#e7f5ff;border-color:#228be6;color:#228be6}.toolbar-button-link:hover{background-color:#d0ebff;color:#1971c2;border-color:#1971c2}@media(prefers-color-scheme:dark){.toolbar-button-link{background-color:#1e3a52;border-color:#339af0;color:#74c0fc}.toolbar-button-link:hover{background-color:#2b4d6a;color:#a5d8ff;border-color:#4dabf7}}@media(max-width:768px){.toolbar{flex-direction:column;align-items:stretch}.toolbar-section{justify-content:center}.toolbar-tagline{display:none}.toolbar-tools{order:1}.toolbar-actions{order:2;margin-left:0;justify-content:center}.toolbar-button-label{display:none}.toolbar-button{padding:var(--spacing-sm)}}.properties-panel{width:280px;height:100%;background-color:var(--color-bg-secondary);border-left:1px solid var(--color-border);display:flex;flex-direction:column;overflow-y:auto}.properties-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);border-bottom:1px solid var(--color-border);position:sticky;top:0;background-color:var(--color-bg-secondary);z-index:10}.properties-header h3{font-size:16px;font-weight:600;color:var(--color-text-primary);margin:0}.properties-count{font-size:12px;color:var(--color-text-tertiary);background-color:var(--color-bg-tertiary);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm)}.properties-content{flex:1;padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-lg)}.properties-empty{display:flex;align-items:center;justify-content:center;height:100%;text-align:center;color:var(--color-text-tertiary);padding:var(--spacing-xl);font-size:14px}.properties-section{display:flex;flex-direction:column;gap:var(--spacing-sm)}.properties-label{font-size:13px;font-weight:500;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px}.properties-color-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:var(--spacing-xs)}.color-swatch{width:100%;aspect-ratio:1;border:2px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);padding:0}.color-swatch:hover{transform:scale(1.1);box-shadow:var(--shadow-md);border-color:var(--color-text-secondary)}.color-swatch:active{transform:scale(.95)}.properties-button-group{display:flex;gap:var(--spacing-xs);flex-wrap:wrap}.properties-button{flex:1;min-width:60px;padding:var(--spacing-sm);font-size:12px;font-weight:500;color:var(--color-text-secondary);background-color:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.properties-button:hover{background-color:var(--color-bg-tertiary);color:var(--color-text-primary);border-color:var(--color-text-tertiary)}.properties-button:active{transform:scale(.98)}.properties-button.active{background-color:var(--color-accent);color:#fff;border-color:var(--color-accent);font-weight:600}.color-swatch.active{border-color:var(--color-accent);border-width:3px;box-shadow:0 0 0 2px #228be633}.properties-divider{height:1px;background-color:var(--color-border);margin:var(--spacing-sm) 0}@media(max-width:1024px){.properties-panel{position:absolute;right:0;top:0;bottom:0;z-index:100;box-shadow:var(--shadow-lg)}}@media(max-width:768px){.properties-panel{width:100%;height:auto;max-height:50%;top:auto;border-left:none;border-top:1px solid var(--color-border)}.properties-color-grid{grid-template-columns:repeat(5,1fr)}}.confirm-dialog-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn var(--transition-fast)}.confirm-dialog{background-color:var(--color-bg-primary);border-radius:var(--radius-lg);box-shadow:0 20px 60px #0000004d;max-width:400px;width:90%;animation:slideUp var(--transition-base)}.confirm-dialog-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.confirm-dialog-title{margin:0;font-size:20px;font-weight:600;color:var(--color-text-primary)}.confirm-dialog-body{padding:var(--spacing-lg)}.confirm-dialog-message{margin:0;color:var(--color-text-secondary);line-height:1.5}.confirm-dialog-footer{padding:var(--spacing-lg);border-top:1px solid var(--color-border);display:flex;gap:var(--spacing-md);justify-content:flex-end}.confirm-dialog-button{padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.confirm-dialog-button-cancel{background-color:var(--color-bg-secondary);color:var(--color-text-primary)}.confirm-dialog-button-cancel:hover{background-color:var(--color-border)}.confirm-dialog-button-confirm{background-color:var(--color-accent);color:#fff}.confirm-dialog-button-confirm:hover{background-color:#1971c2}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.share-modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.share-modal{background-color:var(--color-bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);width:90%;max-width:500px;max-height:90vh;overflow:hidden;animation:slideUp .3s ease}.share-modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.share-modal-title{font-size:20px;font-weight:600;color:var(--color-text-primary);margin:0}.share-modal-close{background:none;border:none;font-size:24px;color:var(--color-text-secondary);cursor:pointer;padding:4px;line-height:1;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.share-modal-close:hover{background-color:var(--color-bg-secondary);color:var(--color-text-primary)}.share-modal-body{padding:var(--spacing-lg)}.share-modal-message{font-size:14px;color:var(--color-text-secondary);margin:0 0 var(--spacing-md) 0;line-height:1.5}.share-url-container{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.share-url-input{flex:1;padding:var(--spacing-sm) var(--spacing-md);border:2px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;font-family:monospace;color:var(--color-text-primary);background-color:var(--color-bg-secondary);transition:border-color var(--transition-fast)}.share-url-input:focus{outline:none;border-color:var(--color-accent)}.share-copy-button{padding:var(--spacing-sm) var(--spacing-lg);background-color:var(--color-accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.share-copy-button:hover{background-color:var(--color-accent-hover);transform:translateY(-1px)}.share-copy-button.copied{background-color:var(--color-success, #40c057)}.share-modal-note{font-size:12px;color:var(--color-text-tertiary);margin:0;line-height:1.5}.share-modal-footer{padding:var(--spacing-md) var(--spacing-lg);border-top:1px solid var(--color-border);display:flex;justify-content:flex-end}.share-modal-button{padding:var(--spacing-sm) var(--spacing-xl);background-color:var(--color-bg-secondary);color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.share-modal-button:hover{background-color:var(--color-bg-tertiary);border-color:var(--color-text-tertiary)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(prefers-color-scheme:dark){.share-modal{box-shadow:0 20px 25px -5px #0000004d}}.zoom-controls{position:fixed;bottom:var(--spacing-lg);left:var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-xs);background-color:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-xs);box-shadow:var(--shadow-md);z-index:100}.zoom-button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;background-color:transparent;border:none;border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast)}.zoom-button:hover{background-color:var(--color-bg-secondary);color:var(--color-text-primary)}.zoom-button:active{background-color:var(--color-bg-tertiary);transform:scale(.95)}.zoom-reset{min-width:60px;height:32px;padding:0 var(--spacing-sm);font-size:13px;font-weight:500;background-color:transparent;border:none;border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast);font-family:var(--font-family-base)}.zoom-reset:hover{background-color:var(--color-bg-secondary);color:var(--color-text-primary)}.zoom-reset:active{background-color:var(--color-bg-tertiary);transform:scale(.95)}@media(max-width:768px){.zoom-controls{bottom:var(--spacing-md);left:var(--spacing-md)}}.app{width:100%;height:100vh;display:flex;flex-direction:column;overflow:hidden}.app-content{flex:1;display:flex;overflow:hidden;position:relative}@media(max-width:768px){.app-content{flex-direction:column}}.dashboard{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow-x:hidden}.dashboard-hero{position:relative;padding:var(--spacing-xl) var(--spacing-lg);color:#fff;text-align:center;overflow:hidden}.hero-content{position:relative;z-index:2;max-width:800px;margin:0 auto;padding:var(--spacing-xl) 0}.back-link{display:inline-block;color:#ffffffe6;text-decoration:none;font-size:.875rem;font-weight:500;margin-bottom:var(--spacing-lg);padding:var(--spacing-xs) var(--spacing-md);border-radius:var(--radius-md);background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);transition:all var(--transition-base)}.back-link:hover{background:#fff3;transform:translate(-4px)}.hero-title{font-size:3.5rem;font-weight:800;margin:0 0 var(--spacing-md);color:#fff;text-shadow:0 2px 20px rgba(0,0,0,.2);letter-spacing:-.02em;line-height:1.1}.hero-subtitle{font-size:1.25rem;font-weight:400;margin:0;color:#ffffffe6;line-height:1.6}.hero-decoration{position:absolute;inset:0;z-index:1;overflow:hidden}.decoration-circle{position:absolute;border-radius:50%;background:#ffffff1a;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.circle-1{width:300px;height:300px;top:-150px;right:-150px;animation:float 8s ease-in-out infinite}.circle-2{width:200px;height:200px;bottom:-100px;left:-100px;animation:float 10s ease-in-out infinite reverse}.circle-3{width:150px;height:150px;top:50%;left:10%;animation:float 6s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.dashboard-content{max-width:1200px;margin:0 auto;padding:var(--spacing-xl);position:relative;z-index:2}.loading-state{text-align:center;padding:var(--spacing-xl) 0;color:#fff}.loading-spinner{width:60px;height:60px;margin:0 auto var(--spacing-lg);border:4px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}.loading-state p{font-size:1.125rem;font-weight:500;color:#ffffffe6}.error-state{text-align:center;padding:var(--spacing-xl);background:#fffffff2;border-radius:var(--radius-lg);box-shadow:0 10px 40px #0000001a}.error-icon{font-size:4rem;margin-bottom:var(--spacing-md)}.error-state h3{font-size:1.5rem;font-weight:700;margin:0 0 var(--spacing-sm);color:var(--color-text-primary)}.error-state p{font-size:1rem;color:var(--color-text-secondary);margin:0 0 var(--spacing-lg)}.retry-button{padding:var(--spacing-md) var(--spacing-xl);font-size:1rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);box-shadow:0 4px 12px #667eea4d}.retry-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.stat-card{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:0 10px 40px #0000001a;transition:all var(--transition-base);border:1px solid rgba(255,255,255,.5);display:flex;align-items:center;gap:var(--spacing-lg)}.stat-card:hover{transform:translateY(-4px);box-shadow:0 15px 50px #00000026}.stat-icon-wrapper{width:80px;height:80px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative}.stat-card-primary .stat-icon-wrapper{background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 8px 20px #667eea4d}.stat-card-secondary .stat-icon-wrapper{background:linear-gradient(135deg,#11998e,#38ef7d);box-shadow:0 8px 20px #11998e4d}.stat-card-accent .stat-icon-wrapper{background:linear-gradient(135deg,#f093fb,#f5576c);box-shadow:0 8px 20px #f093fb4d}.stat-icon{font-size:2.5rem;line-height:1}.stat-details{flex:1}.stat-label{font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-secondary);margin:0 0 var(--spacing-xs)}.stat-value{font-size:3rem;font-weight:800;color:var(--color-text-primary);line-height:1;margin:0 0 var(--spacing-xs);letter-spacing:-.02em}.stat-description{font-size:.875rem;color:var(--color-text-secondary);margin:0;line-height:1.4}.insights-section{margin-bottom:var(--spacing-xl)}.insights-title{font-size:2rem;font-weight:700;color:#fff;margin:0 0 var(--spacing-lg);text-align:center;text-shadow:0 2px 10px rgba(0,0,0,.1)}.insights-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md)}.insight-card{background:#ffffff26;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-lg);padding:var(--spacing-xl);text-align:center;border:1px solid rgba(255,255,255,.2);transition:all var(--transition-base)}.insight-card:hover{background:#fff3;transform:translateY(-2px)}.insight-number{font-size:2.5rem;font-weight:800;color:#fff;margin:0 0 var(--spacing-sm);text-shadow:0 2px 10px rgba(0,0,0,.1)}.insight-label{font-size:.875rem;color:#ffffffe6;font-weight:500;line-height:1.4}.privacy-section{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-lg);padding:var(--spacing-xl);text-align:center;box-shadow:0 10px 40px #0000001a;border:1px solid rgba(255,255,255,.5);margin-bottom:var(--spacing-xl)}.privacy-icon{font-size:3rem;margin-bottom:var(--spacing-md)}.privacy-title{font-size:1.5rem;font-weight:700;color:var(--color-text-primary);margin:0 0 var(--spacing-md)}.privacy-description{font-size:1rem;color:var(--color-text-secondary);line-height:1.6;max-width:600px;margin:0 auto}.actions-section{text-align:center;padding:var(--spacing-lg) 0}.refresh-button{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);font-size:1rem;font-weight:600;color:#fff;background:#fff3;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.3);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base)}.refresh-button:hover{background:#ffffff4d;transform:translateY(-2px);box-shadow:0 8px 20px #00000026}.button-icon{font-size:1.25rem;line-height:1}.button-text{line-height:1}@media(max-width:768px){.dashboard-content{padding:var(--spacing-md)}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1rem}.stats-grid{grid-template-columns:1fr}.stat-card{flex-direction:column;text-align:center}.stat-icon-wrapper{width:70px;height:70px}.stat-icon{font-size:2rem}.stat-value{font-size:2.5rem}.insights-grid{grid-template-columns:1fr}}@media(max-width:480px){.hero-title,.stat-value,.insight-number{font-size:2rem}}@media(prefers-color-scheme:dark){.dashboard{background:linear-gradient(135deg,#1a1b2e,#2d1b3d)}.stat-card,.privacy-section{background:#ffffff0d;border-color:#ffffff1a}.error-state{background:#ffffff14}.stat-label,.stat-description,.privacy-description{color:#ffffffb3}.stat-value,.privacy-title,.error-state h3{color:#fffffff2}.error-state p{color:#ffffffb3}}.view-diagram-container{display:flex;flex-direction:column;height:100vh;width:100vw;background-color:var(--color-bg-primary)}.view-diagram-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--color-border);background-color:var(--color-bg-secondary)}.view-diagram-logo{display:flex;align-items:center;gap:var(--spacing-sm)}.view-diagram-logo-text{font-size:18px;font-weight:600;color:var(--color-text-primary)}.view-diagram-logo-badge{padding:4px 8px;background-color:var(--color-accent-light, #e7f5ff);color:var(--color-accent);border-radius:var(--radius-sm);font-size:12px;font-weight:600}.view-diagram-button-primary{padding:var(--spacing-sm) var(--spacing-lg);background-color:var(--color-accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.view-diagram-button-primary:hover{background-color:var(--color-accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.view-diagram-canvas-container{flex:1;position:relative;overflow:hidden}.view-diagram-footer{padding:var(--spacing-md);text-align:center;border-top:1px solid var(--color-border);background-color:var(--color-bg-secondary)}.view-diagram-footer p{margin:0;font-size:14px;color:var(--color-text-secondary)}.view-diagram-link{color:var(--color-accent);text-decoration:none;font-weight:600;transition:color var(--transition-fast)}.view-diagram-link:hover{color:var(--color-accent-hover);text-decoration:underline}.view-diagram-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:var(--spacing-lg)}.view-diagram-spinner{width:50px;height:50px;border:4px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.view-diagram-loading p{font-size:16px;color:var(--color-text-secondary)}.view-diagram-error{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:var(--spacing-md);padding:var(--spacing-xl);text-align:center}.view-diagram-error-icon{font-size:64px}.view-diagram-error h2{font-size:24px;font-weight:600;color:var(--color-text-primary);margin:0}.view-diagram-error p{font-size:16px;color:var(--color-text-secondary);margin:0;max-width:500px}.view-diagram-button{margin-top:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-xl);background-color:var(--color-accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:16px;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.view-diagram-button:hover{background-color:var(--color-accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f8f9fa;--color-bg-tertiary: #e9ecef;--color-canvas-bg: #f5f5f5;--color-border: #dee2e6;--color-text-primary: #212529;--color-text-secondary: #495057;--color-text-tertiary: #868e96;--color-accent: #228be6;--color-accent-hover: #1971c2;--color-accent-light: #e7f5ff;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--font-family-hand-drawn: "Virgil", "Segoe UI Emoji", cursive;--font-family-mono: "Cascadia", Consolas, Monaco, "Courier New", monospace;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s ease}@media(prefers-color-scheme:dark){:root{--color-bg-primary: #1a1b1e;--color-bg-secondary: #25262b;--color-bg-tertiary: #2c2e33;--color-canvas-bg: #25262b;--color-border: #373a40;--color-text-primary: #c1c2c5;--color-text-secondary: #909296;--color-text-tertiary: #5c5f66;--color-accent: #339af0;--color-accent-hover: #4dabf7;--color-accent-light: #1c2d41}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:var(--font-family-base);background-color:var(--color-bg-primary);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{overflow:hidden}#root{height:100%;width:100%}::selection{background-color:var(--color-accent-light);color:var(--color-text-primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-text-tertiary);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}@font-face{font-family:Virgil;src:url(https://excalidraw.com/Virgil.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Cascadia;src:url(https://excalidraw.com/Cascadia.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}