:root{
  --node-navy:#283756;
  --node-navy-deep:#1B2740;
  --node-red:#FF2800;        /* rojo oficial VCR */
  --node-red-deep:#9B0000;
  --node-ink:#3A4252;
  --node-muted:#7A8398;
  --node-line:#E3E6EC;
  --node-surface:#F5F6F9;
  --node-white:#FFFFFF;

  --node-font-display:'Raleway','Helvetica Neue',Arial,sans-serif;
  --node-font-mono:'IBM Plex Mono',ui-monospace,monospace;

  --node-bar-h:42px;
  --node-space-1:4px; --node-space-2:8px; --node-space-3:12px;
  --node-space-4:16px; --node-space-5:24px; --node-space-6:32px;
}