UI Reasoning: Book & Reading Tracker. Recommended Pattern: Social Proof-Focused + Feature-Rich. Style Priority: Swiss Modernism 2.0 + Minimalism. Color Mood: Warm paper white + ink brown + reading progress green + book cover colors. Typography Mood: Professional + Clean hierarchy. Key Effects: Subtle hover 200ms + Smooth transitions + Clean. Decision Rules: {"if_trust_needed": "add-testimonials"}. Anti-Patterns: Excessive decoration. Severity: HIGH.