:root {
  --radius: 14px;
  --blur: 18px;
  --gap: 24px;
  --transition: .25s ease;
}
:root[data-theme='light'] {
  --bg: #f4f5f7;
  --surface: rgba(255,255,255,.7);
  --text: #1c1c1e;
}
:root[data-theme='dark'] {
  --bg: #0f1115;
  --surface: rgba(24,24,28,.65);
  --text: #f5f5f7;
}