:root{--bg: #f1f5f9;--surface: #ffffff;--surface-2: #f8fafc;--line: #e2e8f0;--line-strong: #cbd5e1;--text: #0f172a;--text-dim: #64748b;--accent: #4f46e5;--accent-soft: #eef2ff;--danger: #dc2626;--canvas: #fbfcfe;--grid-dot: #cbd5e1;--edge-sync: #475569;--edge-async: #db2777;--edge-data: #ca8a04;--edge-repl: #0891b2;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 6px 20px rgba(15, 23, 42, .07);--radius: 10px;color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #0b1120;--surface: #111827;--surface-2: #0f172a;--line: #1f2937;--line-strong: #334155;--text: #e2e8f0;--text-dim: #94a3b8;--accent: #818cf8;--accent-soft: #1e1b4b;--canvas: #0d1424;--grid-dot: #24314a;--edge-sync: #94a3b8;--edge-async: #f472b6;--edge-data: #facc15;--edge-repl: #22d3ee;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);color-scheme:dark}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font:13px/1.45 ui-sans-serif,-apple-system,Segoe 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