:root{
  --black:#1c1b18; 
  --white:#fff;
  
  --graph-edge:#c3cad9; 
  --graph-node:#aeb6c9;
  --graph-node-dim:#cdd3e0;
  --graph-accent:#6366f1;

  --text-secondary:#4b5563;
  --hairline:rgba(0,0,0,.1);
  --card-radius:12px;
  --card-shadow:0 14px 34px rgba(0,0,0,.14);

  --ease: 180ms ease;
}