UI Reasoning: Analytics Dashboard. Recommended Pattern: Data-Dense + Drill-Down. Style Priority: Data-Dense + Heat Map. Color Mood: Cool→Hot gradients + Neutral grey. Typography Mood: Clear + Functional typography. Key Effects: Hover tooltips + Chart zoom + Filter animations. Decision Rules: {"must_have": "data-export", "if_large_dataset": "virtualize-lists"}. Anti-Patterns: Ornate design + No filtering. Severity: HIGH.