/* Learning explanation cards have a light surface in the Tianan theme,
   including when the exercise itself uses dark mode. Keep text and indices
   on the same explicit palette rather than inheriting --game-font-color. */
.popupExplain .explainCard {
  --game-font-color: #243941;
  color: #243941;
  background: #fff;
  border-color: #dae8eb;
}
.popupExplain .explainTitle,
.popupExplain .explainRight,
.popupExplain .pointText { color: #243941; }
.popupExplain .pointText { opacity: 1; }
html.dark .popupExplain .pointIndex,
.popupExplain .pointIndex { background: #e5f2f6; color: #243941; }