Refcat/Duolingo/LearnUI reference · WebLearnLearn · Learn · DuolingoAdded to Refcat Oct 11, 2026PatternsProgressComponentsprogress indicatorExplore real product flowsOnboardingCompleting a quizCanceling a planStarting a free trialLearnCompleting a lessonCreating a profileReporting a questionCopying an invitation linkEditing an avatarLogging inProfileExplore the full catalog