[data-theme="dark"]{
  --bg: #0b1220;
  --surface: rgba(255,255,255,.06);
  --surface2: rgba(255,255,255,.08);
  --text: #e6eefc;
  --muted: rgba(230,238,252,.7);
  --border: rgba(230,238,252,.14);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}