UI Reasoning: Chat & Messaging App. Recommended Pattern: Feature-Rich Showcase + Demo. Style Priority: Minimalism + Micro-interactions. Color Mood: Brand primary + bubble contrast (sender/receiver) + typing grey. Typography Mood: Professional + Clean hierarchy. Key Effects: Subtle hover 200ms + Smooth transitions + Clean. Decision Rules: {"if_ux_focused": "prioritize-clarity", "if_mobile": "optimize-touch-targets"}. Anti-Patterns: Excessive decoration. Severity: HIGH.