UI Reasoning: Meme & Sticker Maker. Recommended Pattern: Feature-Rich Showcase + Social Proof. Style Priority: Vibrant & Block-based + Flat Design. Color Mood: Bold primary + comedic yellow + viral red + high saturation accent. Typography Mood: Bold + Clean + Sans-serif. Key Effects: Color shift hover + Fast 150ms transitions + No shadows. Decision Rules: {"if_trust_needed": "add-testimonials"}. Anti-Patterns: Complex shadows + 3D effects + Muted colors + Low energy. Severity: HIGH.