:root,:root[data-theme=light]{--bg: #f8fafc;--surface: #ffffff;--surface-glass: rgba(255, 255, 255, .72);--surface-2: #f1f5f9;--border: #e2e8f0;--border-strong: #cbd5e1;--text: #0f172a;--dim: #64748b;--faint: #94a3b8;--accent: #2563eb;--accent-2: #7c5cf0;--accent-soft: #dbeafe;--canvas: #fbfcfe;--grid: #dbe3ec;--node-fill: #ffffff;--node-stroke: #475569;--handle: #ffffff;--danger: #ef4444;--success: #10b981;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 4px 12px rgba(15, 23, 42, .06);--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .1);--shadow-lg: 0 24px 60px rgba(15, 23, 42, .18)}:root[data-theme=dark]{--bg: #0b0f1a;--surface: #111827;--surface-glass: rgba(17, 24, 39, .72);--surface-2: #1a2338;--border: #243352;--border-strong: #31415f;--text: #eef2f8;--dim: #8ea0bd;--faint: #5c6f8f;--accent: #5ea0ff;--accent-2: #a78bfa;--accent-soft: #1c2f52;--canvas: #0c1220;--grid: #182742;--node-fill: #141d33;--node-stroke: #7f95b8;--handle: #eef2f8;--danger: #f87171;--success: #34d399;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 12px rgba(0, 0, 0, .35);--shadow: 0 1px 2px rgba(0, 0, 0, .45), 0 10px 30px rgba(0, 0, 0, .45);--shadow-lg: 0 28px 70px rgba(0, 0, 0, .6)}.glass{background:var(--surface-glass);-webkit-backdrop-filter:blur(16px) saturate(1.4);backdrop-filter:blur(16px) saturate(1.4)}.gradient-accent{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff}body{margin:0}