:root {
  /* Corner radius per surface type */
  --dialog-corner-radius: 16px;
  --pane-corner-radius: 12px;
  --popup-corner-radius: 10px;
  --toast-corner-radius: 99px;
  --button-corner-radius: 10px;

  /* Drop-shadow blur per surface type (even around the surface, including top) */
  --pane-shadow-radius: 12px;
  --popup-shadow-radius: 12px;
}