:root {
  /* Department A (default) */
  --bg: #030705;
  --panel: #07110B;
  --border: #2F6440;
  --signal: #8FD19E;
  --bright: #D6FFE0;

  --font-mono: "Courier New", "Liberation Mono", ui-monospace, monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 40px;

  --radius: 2px;
  --transition-fast: 120ms ease;
  --transition-slow: 600ms ease;
}

body.department-b {
  --bg: #120405;
  --panel: #2A090B;
  --border: #743C3C;
  --signal: #C65B5B;
  --bright: #FFD6D6;
}

@media (prefers-reduced-motion: reduce) {
  :root { --transition-fast: 0ms; --transition-slow: 0ms; }
}