What problem does it solve? Building consistent, accessible, and responsive user interfaces from scratch requires deep knowledge of component libraries, CSS frameworks, and design systems. This Skill provides structured guidance for creating production-quality UIs using shadcn/ui components (built on Radix UI primitives) and Tailwind CSS, eliminating guesswork around accessibility, theming, and responsive layouts. ## Core Features & Use Cases - Accessible Component Library: Install and compose shadcn/ui components (dialogs, forms, tables, navigation) with built-in Radix UI accessibility, keyboard navigation, and screen reader support. - Utility-First Styling: Apply Tailwind CSS for mobile-first responsive layouts, design tokens, dark mode, and theme customization via CSS variables. - Visual Design System: Generate canvas-based visual designs, posters, and brand materials with a philosophy-driven composition approach. - Use Case: A developer building a Next.js dashboard can scaffold shadcn/ui, add Card and Data Table components, apply responsive grid layouts with dark mode variants, and wire up validated forms with react-hook-form and zod. ## Quick Start Ask the assistant to build a responsive dashboard page using shadcn/ui Card and Button components with Tailwind CSS grid layout and dark mode support.