UI Reasoning: Photo Editor & Filters. Recommended Pattern: Feature-Rich Showcase + Interactive Demo. Style Priority: Minimalism + Dark Mode (OLED). Color Mood: Dark editor background + vibrant filter preview strip + tool icon accent. Typography Mood: Professional + Clean hierarchy. Key Effects: Subtle glow + Neon accents + High contrast. Decision Rules: {"if_light_mode_needed": "provide-theme-toggle"}. Anti-Patterns: Excessive decoration + Pure white backgrounds. Severity: HIGH.