:root {
  --bg: #0b0f14;
  --card: rgba(255,255,255,0.06);
  --glass: rgba(255,255,255,0.08);
  --text: #e6edf3;
  --muted: #9aa4af;
  --accent: #4f9cff;
  --lab: #22c55e;
  --break: rgba(255,255,255,0.04);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: radial-gradient(circle at top, #111827, #000);
  color: var(--text);
}