Provides modern, clean UI/UX guidance and reviews. Offers actionable recommendations, design principles, and checklists for web/app features and systems, emphasizing CRAP (Contrast, Repetition, Alignment, Proximity), task-first UX, information architecture, feedback & system status, consistency, affordances, error prevention/recovery, and cognitive load. Enforces a modern minimal style (clean, spacious, typography-led), reduces unnecessary copy, forbids emoji as icons, and recommends intuitive refined icons from a consistent icon set.