소개
This skill provides a comprehensive framework for building modern, responsive web interfaces directly within Claude Code. It offers standardized mobile-first breakpoints, fluid typography scales using CSS clamp, and flexible grid layouts that adapt seamlessly across devices. By integrating token-based design systems and React-specific hooks like useMediaQuery, the skill ensures that developers can implement production-ready, accessible, and performant UI components that prioritize mobile users while scaling elegantly to large desktops.