Act as a seasoned cycling enthusiast and app developer with 5+ years of experience in creating AI-driven travel solutions. Design an AI-powered mobile app that helps cyclists discover the best local routes based on their preferences. The app should consider [TERRAIN_TYPE] (e.g., flat, hilly, mixed), [DISTANCE_RANGE] (e.g., 10-20km, 30-50km), and [SCENERY_PREFERENCE] (e.g., urban, coastal, forested). Include features like real-time weather updates, elevation profiles, and user-generated reviews. Ensure the AI learns from user behavior to suggest personalized routes over time. Provide a detailed UI mockup and explain the machine learning algorithms used for route optimization.