UI Reasoning: Trivia & Quiz Game. Recommended Pattern: Feature-Rich Showcase + Social Proof. Style Priority: Vibrant & Block-based + Micro-interactions. Color Mood: Energetic blue + correct green + incorrect red + leaderboard gold. Typography Mood: Energetic + Bold + Large. Key Effects: Haptic feedback + Small 50-100ms animations. Decision Rules: {"if_trust_needed": "add-testimonials"}. Anti-Patterns: Muted colors + Low energy. Severity: HIGH.