:root {
  /* Core Colors */
  --bg-primary: #0A0F0A;
  --green-primary: #00FF41;
  --green-dim: #00AA2C;
  --green-dark: #003311;
  --amber: #FFB800;
  --red-alert: #FF2222;
  --white-em: #E8FFE8;
  --locked: #1A2A1A;

  /* Derived */
  --bg-card: #0D140D;
  --bg-card-hover: #101810;
  --border-default: #003311;
  --border-active: #00FF41;
  --border-locked: #1A2A1A;
  --text-primary: #00FF41;
  --text-secondary: #00AA2C;
  --text-muted: #005522;
  --text-white: #E8FFE8;

  /* Glow */
  --glow-sm: 0 0 4px #00FF41;
  --glow-md: 0 0 8px #00FF41;
  --glow-lg: 0 0 16px #00FF41, 0 0 32px rgba(0,255,65,0.3);
  --glow-amber: 0 0 8px #FFB800;
  --glow-red: 0 0 8px #FF2222;

  /* Typography */
  --font-display: 'VT323', 'Share Tech Mono', monospace;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;

  /* Layout */
  --header-height: 56px;
  --max-width: 1280px;
  --border-radius: 0;

  /* Transitions */
  --transition-fast: 80ms linear;
  --transition-base: 150ms linear;
}