:root{--bg-deep:#09090b;--bg-canvas:#0c0e14;--bg-surface:#111318;--bg-elevated:#18191f;--bg-input:#0d0e12;--bg-hover:#1c1d24;--glass-bg:rgba(17,19,24,0.82);--glass-border:rgba(255,255,255,0.06);--glass-highlight:rgba(255,255,255,0.03);--border:#1e2028;--border-subtle:#16171c;--border-focus:#38bdf8;--text:#e8eaed;--text-dim:#94a3b8;--text-muted:#4b5563;--accent:#38bdf8;--accent-hover:#22d3ee;--accent-glow:rgba(56,189,248,0.15);--accent-soft:rgba(56,189,248,0.08);--success:#22c55e;--error:#ef4444;--warning:#f59e0b;--purple:#a855f7;--amber:#f59e0b;--cyan:#22d3ee;--green:#22c55e;--slate:#64748b;--font-ui:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--font-mono:"JetBrains Mono","Fira Code",monospace;--radius:8px;--radius-lg:12px;--radius-xl:16px;--node-width:320px;--node-width-sm:220px;--shadow-sm:0 1px 2px rgba(0,0,0,0.3);--shadow-md:0 4px 16px rgba(0,0,0,0.35);--shadow-lg:0 8px 32px rgba(0,0,0,0.45);--shadow-glow:0 0 24px rgba(56,189,248,0.08);--ease-out:cubic-bezier(0.16,1,0.3,1);--ease-spring:cubic-bezier(0.34,1.56,0.64,1);--duration-fast:0.15s;--duration-normal:0.25s;--duration-slow:0.4s}