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monospace;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px -1px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .01);--shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, .06);--shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, .15);--border-light: rgba(255, 255, 255, .2);--border-subtle: rgba(148, 163, 184, .2);--border-focus: var(--color-primary-500);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1);--menu-bg-light: rgba(255, 255, 255, .65);--menu-bg-dark: rgba(15, 23, 42, .65);--menu-border-light: rgba(255, 255, 255, .4);--menu-border-dark: rgba(255, 255, 255, .05);--menu-accent-blue: #3b82f6;--menu-glass-bg: rgba(255, 255, 255, .6);--menu-glass-bg-dark: rgba(15, 23, 42, .6);--menu-item-radius: var(--radius-lg);--menu-item-active-border: var(--color-primary-500);--menu-item-active-bg: linear-gradient(90deg, rgba(99, 102, 241, .08) 0%, rgba(99, 102, 241, .02) 100%);--menu-item-active-shadow: var(--shadow-sm)}[data-performance=high] .react-flow__node{box-shadow:none!important;backdrop-filter:none!important;transition:none!important;will-change:transform}[data-performance=high] .react-flow__edge{transition:none!important}[data-performance=high] .glass,[data-performance=high] .glass-strong,[data-performance=high] .glass-effect{backdrop-filter:none!important;box-shadow:var(--shadow-sm)!important}[data-performance=normal] .glass-strong{backdrop-filter:blur(12px)!important}[data-performance=high] .premium-node:before,[data-performance=high] [class*=pulse],[data-performance=high] [class*=glow]{animation:none!important}*{box-sizing:border-box;margin:0;padding:0}.app-main{padding:0!important}html,body{height:100vh;margin:0;padding:0;overflow:hidden}body{margin:0;padding:0;font-family:var(--font-sans);background-color:var(--bg-app);background-image:var(--bg-pattern);background-size:20px 20px;color:var(--color-slate-800);width:100vw;height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100vh;width:100%;overflow:hidden;display:flex;flex-direction:column}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent;border-radius:4px}::-webkit-scrollbar-thumb{background:#94a3b833;border-radius:4px;border:2px solid transparent;background-clip:padding-box;-webkit-transition:background .3s ease;transition:background .3s ease}::-webkit-scrollbar-thumb:hover{background:#94a3b866;background-clip:padding-box}.btn-modern{background:var(--primary-gradient);border:none;border-radius:var(--radius-lg);padding:12px 24px;color:#fff;font-weight:600;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-md);position:relative;overflow:hidden}.btn-modern:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-modern:active{transform:translateY(0)}.btn-modern:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.btn-modern:hover:before{left:100%}.glass{background:#ffffff1a;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-xl)}.glass-strong{background:#fff3;backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.3);border-radius:var(--radius-xl)}.glass-effect{background:var(--menu-bg-light)!important;backdrop-filter:blur(16px) saturate(180%)!important;border:1px solid var(--menu-border-light)!important;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008!important}[data-theme=dark] .glass-effect{background:var(--menu-bg-dark)!important;border:1px solid var(--menu-border-dark)!important;box-shadow:0 4px 6px -1px #0003,0 2px 4px -1px #0000001a!important}.diagram-folder-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;margin:14px 0 6px;border-radius:var(--menu-item-radius);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;background:var(--menu-glass-bg);border:1px solid rgba(148,163,184,.12);transition:all var(--transition-normal);position:relative}.diagram-folder-header:hover{background:#fff;border-color:var(--menu-accent-blue);box-shadow:0 4px 20px #0000000a;transform:translateY(-1px)}.diagram-folder-header.expanded{background:#fff;border-color:#3b82f626;box-shadow:0 2px 8px #3b82f608}[data-theme=dark] .diagram-folder-header{background:linear-gradient(180deg,#94a3b81a,#94a3b80f);border:1px solid rgba(148,163,184,.18)}[data-theme=dark] .diagram-folder-header:hover{background:linear-gradient(180deg,#94a3b821,#94a3b814);border-color:#94a3b84d;box-shadow:0 6px 16px #0000002e}.diagram-folder-pill{display:inline-flex;align-items:center;gap:10px}[data-theme=dark] .diagram-folder-pill{color:#94a3b8}.diagram-folder-title{font-size:.675rem;font-weight:800;color:#334155;letter-spacing:.06em;text-transform:uppercase}[data-theme=dark] .diagram-folder-title{color:#e2e8f0eb}.diagram-folder-meta{display:inline-flex;align-items:center;gap:8px}.app-layout{height:100%;width:100%;display:flex;flex-direction:column;background:linear-gradient(135deg,#667eea,#764ba2);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow:visible}.app-header{background:#fffffff2;backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.2);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 4px 20px #0000001a}.app-title{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0}.app-nav{display:flex;gap:1rem;align-items:center}.nav-button{background:#ffffffe6;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:.5rem 1rem;color:#4a5568;text-decoration:none;font-weight:500;transition:all .3s ease;display:flex;align-items:center;gap:.5rem}.nav-button:hover{background:#fff;transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.app-main{flex:1;display:flex;flex-direction:column;min-height:0;padding:0;margin:0;box-sizing:border-box}.diagram-viewer{display:flex;flex-direction:column;height:100%;width:100%;overflow:hidden;background-color:#f0f2f5}.app-footer{background:#fffffff2;backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.2);padding:1rem 2rem;text-align:center;color:#4a5568;font-size:.875rem}@media(max-width:768px){body{font-size:.9rem}.btn-modern{padding:10px 20px;font-size:.7875rem}}.diagram-container{flex:1;position:relative;background:#fffffff2;border-radius:16px;transition:all .3s ease;display:flex;flex-direction:column;width:100%;height:100%;box-sizing:border-box;overflow:visible}.diagram-header{background:#fffffff2;backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,.05);padding:16px 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(max-width:1023px){html{font-size:15px}}@media(min-width:1536px){html{font-size:18px}}@media(min-width:2560px){html{font-size:24px}}@media(max-width:768px){.btn-modern{padding:10px 20px;font-size:.7875rem}}@media(prefers-color-scheme:dark){body{background:linear-gradient(135deg,#1a202c,#2d3748);color:#e2e8f0}.glass{background:#0000004d;border:1px solid rgba(255,255,255,.1)}.glass-strong{background:#0006;border:1px solid rgba(255,255,255,.2)}}.panel-transition{transition:all .3s cubic-bezier(.4,0,.2,1)}.menu-toggle-floating{position:fixed;top:120px;left:24px;z-index:1001;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:50%;width:56px;height:56px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.125rem;cursor:pointer;box-shadow:0 8px 24px #667eea4d;transition:all .3s cubic-bezier(.4,0,.2,1);backdrop-filter:blur(10px)}.menu-toggle-floating:hover{transform:scale(1.1) translateY(-2px);box-shadow:0 12px 32px #667eea66}.menu-toggle-floating.hidden{opacity:0;pointer-events:none;transform:translate(-60px)}.menu-toggle-floating.visible{opacity:1;pointer-events:auto;transform:translate(0)}.diagram-container{flex:1;position:relative;background:#fffffff2;border-radius:16px;transition:all .3s ease;display:flex;flex-direction:column;width:100%;box-sizing:border-box;overflow:visible}.diagram-header{background:#fffffff2;backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,.05);padding:16px 24px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:1000;flex-shrink:0;width:100%;box-sizing:border-box;overflow:visible}.diagram-container.fullscreen .diagram-header{background:#fff;backdrop-filter:none}.diagram-container.fullscreen .diagram-content{background:#fff}.diagram-title{font-size:1.25rem;font-weight:700;color:#2d3748;margin:0}.diagram-content{flex:1;position:relative;overflow:hidden;padding:0;width:100%;height:100%;box-sizing:border-box;margin:0}@media(max-width:768px){.menu-toggle-floating{top:100px;left:16px;width:48px;height:48px}}@keyframes edgeDash{0%{stroke-dashoffset:0}to{stroke-dashoffset:-200}}.edge-animated{stroke-dasharray:6 3;animation:edgeDash 10s linear infinite}.diagram-preview-root{display:flex;height:100%;width:100%;overflow:hidden;background-color:#f8f9fa;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji"}.diagram-sidebar{height:100%;overflow-y:auto;background-color:#fff;border-right:1px solid #e9ecef;box-shadow:2px 0 8px #00000014;transition:transform .3s ease}.diagram-sidebar-header{padding:20px;border-bottom:1px solid 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#00000014;border:1px solid #e9ecef;position:relative;display:flex;align-items:flex-start;justify-content:center;padding-top:24px}@media(max-width:1024px){.diagram-preview-root{height:100%}.diagram-pane{padding:12px}}@media(max-width:640px){.diagram-sidebar-header{padding:12px}.diagram-preview-container{padding-top:16px}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:fadeIn var(--transition-normal) forwards}.animate-fade-in-up{animation:fadeInUp var(--transition-normal) forwards}.animate-scale-in{animation:scaleIn var(--transition-fast) forwards}.delay-1{animation-delay:50ms}.delay-2{animation-delay:.1s}.delay-3{animation-delay:.15s}.delay-4{animation-delay:.2s}.delay-5{animation-delay:.25s}.clickable-scale{transition:transform var(--transition-fast)}.clickable-scale:active{transform:scale(.96)}.hover-lift{transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.hover-lift:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.focus-ring:focus-visible{outline:none;box-shadow:0 0 0 2px var(--color-primary-100),0 0 0 4px var(--color-primary-500)}