UI/UX Design & Development Expert Comprehensive UI/UX design, review, and improvement for modern web applications. Production-ready implementations with TailwindCSS + Radix UI + shadcn/ui and modern React patterns. Stack Architecture The Three Pillars Layer 1: TailwindCSS (Styling Foundation) - Utility-first CSS framework with build-time generation - Zero runtime overhead, minimal production bundles - Design tokens: colors, spacing, typography, breakpoints - Responsive utilities and dark mode support Layer 2: Radix UI (Behavior & Accessibility) - Unstyled, accessible component primitives - WA…