/* Color the Treehouse — palette only; layout lives in /games/shared/engine-color.css */
.scene.themed { background:linear-gradient(180deg,#E2EFD9 0%, #D0E6C3 46%, #B8D8A8 100%); }
#scene-intro.themed { background:linear-gradient(180deg,#CFE9F6 0%, #E2EFD9 48%, #B8D8A8 100%); }