:root{
  --cb-primary: linear-gradient(135deg,#00ffff,#0080ff,#8000ff,#ff0080,#ff0000);
  --cb-bg: linear-gradient(135deg,#0a0a1a,#1a1a2e,#16213e,#0f3460);
  --cb-surface: rgba(255,255,255,.05);
  --cb-text: #ffffff;
  --cb-muted: rgba(255,255,255,.7);
  --cb-accent: #00ffff;
  --cb-success: #00ff88;
  --cb-danger: #ff4757;
  --cb-warning: #ffa726;
  --cb-info: #43b7ff;
  --cb-border: rgba(0,255,255,.3);
  --cb-border-soft: rgba(255,255,255,.18);
  --cb-glow: 0 0 20px rgba(0,255,255,.6);
  --cb-shadow: 0 14px 40px rgba(0,255,255,.18);
}