Update style improvements and minor fixes

src/App.tsx

@@ -64,7 +64,7 @@ const MedPlanAssistant = () => {
     removeDeviation,
     handleDeviationChange,
     applySuggestion
-  } = useSimulation(appState);
+  } = useSimulation(appState, t);
 
   return (
     <div className="min-h-screen bg-background p-4 sm:p-6 lg:p-8">