Screenrove / Design references
Duolingo / Unit guidebook
"Unit 1 Guidebook" with "Explore grammar tips and key phrases for this unit", then a KEY PHRASES list of speech-bubble cards: a blue speaker icon, the Spanish phrase with dotted underlines on hint words, and the English translation in grey. The sidebar and right rail stay in place.

Connected screens
Captured 2026-09-24. Desktop reference; responsive layouts are not captured.