:root[data-theme="cyberpunk"] {
  --color-bg:              #020617;
  --color-surface:         #0f172a;
  --color-surface-alt:     #1e293b;
  --color-border:          #083344;
  --color-primary:         #06b6d4;
  --color-primary-hover:   #22d3ee;
  --color-primary-glow:    rgba(34, 211, 238, 0.3);
  --color-text:            #ffffff;
  --color-text-muted:      #94a3b8;
  --color-text-on-primary: #020617;
  --color-accent:          #d946ef;
  --font-heading:          'Courier New', Courier, monospace;
  --font-body:             'Inter', system-ui, sans-serif;
  --radius-sm:             0px;
  --radius-md:             0px;
  --radius-lg:             0px;
  --radius-full:           9999px;
  --transition:            all 0.3s ease;
  --shadow-sm:             0 0 8px rgba(34, 211, 238, 0.2);
  --shadow-md:             0 0 20px rgba(34, 211, 238, 0.3);
  --shadow-lg:             0 0 40px rgba(34, 211, 238, 0.4);
  --shadow-neu-out:        none;
  --shadow-neu-in:         none;
}