:root{--color-primary-50:#eef2ff;--color-primary-100:#e0e7ff;--color-primary-200:#c7d2fe;--color-primary-300:#a5b4fc;--color-primary-400:#818cf8;--color-primary-500:#6366f1;--color-primary-600:#4f46e5;--color-primary-700:#4338ca;--color-primary-800:#3730a3;--color-primary-900:#312e81;--color-success:#10b981;--color-success-light:#34d399;--color-success-dark:#059669;--color-warning:#f59e0b;--color-warning-light:#fbbf24;--color-warning-dark:#d97706;--color-error:#ef4444;--color-error-light:#f87171;--color-error-dark:#dc2626;--color-info:#3b82f6;--color-info-light:#60a5fa;--color-info-dark:#2563eb;--node-trigger:#8b5cf6;--node-action:#3b82f6;--node-condition:#f59e0b;--node-transform:#10b981;--node-response:#ec4899;--bg-base-light:#fff;--bg-surface-light:#fafafa;--bg-elevated-light:#f4f4f5;--bg-hover-light:#e4e4e7;--text-primary-light:#18181b;--text-secondary-light:#52525b;--text-tertiary-light:#a1a1aa;--border-subtle-light:#f4f4f5;--border-default-light:#e4e4e7;--border-strong-light:#d4d4d8;--bg-base-dark:#09090b;--bg-surface-dark:#18181b;--bg-elevated-dark:#27272a;--bg-hover-dark:#3f3f46;--text-primary-dark:#fafafa;--text-secondary-dark:#a1a1aa;--text-tertiary-dark:#71717a;--border-subtle-dark:#27272a;--border-default-dark:#3f3f46;--border-strong-dark:#52525b;--bg-base:var(--bg-base-dark);--bg-surface:var(--bg-surface-dark);--bg-elevated:var(--bg-elevated-dark);--bg-hover:var(--bg-hover-dark);--text-primary:var(--text-primary-dark);--text-secondary:var(--text-secondary-dark);--text-tertiary:var(--text-tertiary-dark);--border-subtle:var(--border-subtle-dark);--border-default:var(--border-default-dark);--border-strong:var(--border-strong-dark);--gradient-primary:linear-gradient(135deg,#6366f1,#8b5cf6);--gradient-surface:linear-gradient(180deg,rgba(99,102,241,.05),transparent);--gradient-success:linear-gradient(135deg,#10b981,#34d399);--gradient-error:linear-gradient(135deg,#ef4444,#f87171);--gradient-warning:linear-gradient(135deg,#f59e0b,#fbbf24);--font-sans:"Inter Variable","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"JetBrains Mono","Fira Code","SF Mono",Consolas,monospace;--text-4xl:2.25rem;--text-3xl:1.875rem;--text-2xl:1.5rem;--text-xl:1.25rem;--text-lg:1.125rem;--text-base:1rem;--text-sm:0.875rem;--text-xs:0.75rem;--leading-tight:1.25;--leading-normal:1.5;--leading-relaxed:1.75;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--space-0:0;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--sidebar-width:240px;--sidebar-collapsed:64px;--header-height:56px;--content-max-width:1440px;--canvas-grid-size:20px;--node-width:280px;--node-min-height:80px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--shadow-glow-primary:0 0 0 3px rgba(99,102,241,.3);--shadow-glow-error:0 0 0 3px rgba(239,68,68,.3);--shadow-glow-success:0 0 0 3px rgba(16,185,129,.3);--shadow-glow-warning:0 0 0 3px rgba(245,158,11,.3);--icon-xs:12px;--icon-sm:16px;--icon-md:20px;--icon-lg:24px;--icon-xl:32px;--icon-2xl:48px;--ease-out:cubic-bezier(0.33,1,0.68,1);--ease-in-out:cubic-bezier(0.65,0,0.35,1);--ease-spring:cubic-bezier(0.34,1.56,0.64,1);--duration-fast:100ms;--duration-normal:150ms;--duration-slow:300ms;--duration-slower:500ms;--z-base:0;--z-dropdown:1000;--z-sticky:1100;--z-fixed:1200;--z-modal-backdrop:1300;--z-modal:1400;--z-popover:1500;--z-tooltip:1600}.light{--bg-base:var(--bg-base-light);--bg-surface:var(--bg-surface-light);--bg-elevated:var(--bg-elevated-light);--bg-hover:var(--bg-hover-light);--text-primary:var(--text-primary-light);--text-secondary:var(--text-secondary-light);--text-tertiary:var(--text-tertiary-light);--border-subtle:var(--border-subtle-light);--border-default:var(--border-default-light);--border-strong:var(--border-strong-light);--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1)}@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}