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Audit and fix visual hierarchy, spacing, color, and depth in web UIs using systematic design principles. \n \n Seven core principles: visual hierarchy through size/weight/color, constrained spacing scales (4/8/16/24/32/48/64px), modular typography, systematic color palettes with 5-9 shades per color, shadow elevation scales, deliberate image/icon sizing, and intentional layout composition \n Design in grayscale first, add color last; rate designs 0-10 against framework guidelines with specific i

Utility-first CSS framework for rapidly building custom interfaces with composed utility classes. \n \n Covers layout (flexbox, grid, positioning, sizing, spacing), transforms, typography, visual effects, and interactivity through organized utility categories \n Supports responsive design with mobile-first breakpoints, container queries, and conditional variants for state, pseudo-classes, and media queries \n Tailwind v4 introduces CSS-first configuration using theme variables and directives ( @

Cross-platform mobile app development with Expo Router, NativeWind, and React Native. \n \n Provides navigation patterns using Expo Router for structured, file-based routing in mobile apps \n Includes styling guidance with NativeWind and Tailwind CSS for consistent, utility-first design across platforms \n Covers native UI components including tabs and animation patterns for polished mobile experiences \n Built on React and TypeScript for type-safe, maintainable code \n

Comprehensive Next.js development guidelines covering file structure, RSC patterns, data fetching, optimization, and error handling. \n \n Covers 15+ topic areas including file conventions, route segments, RSC boundaries, async patterns, metadata generation, and image/font optimization \n Provides runtime selection guidance, directive usage, and error handling strategies with specific file conventions like error.tsx and not-found.tsx \n Includes data fetching patterns, route handler best practic

Comprehensive decision guide for Ant Design 6.x, Pro 5, ProComponents, and Ant Design X v2 integration. \n \n Covers component selection, theming with tokens, SSR setup, accessibility, performance optimization, and routing/access patterns across all three libraries \n Includes mandatory rules for API usage, official documentation mapping, and provider configuration (ConfigProvider for CSR, StyleProvider for SSR) \n Provides regression checklist covering ConfigProvider setup, token-first theming,

Build distinctive, production-grade frontend interfaces that avoid generic AI aesthetics. \n \n Guides design thinking through purpose, tone, and differentiation before implementation, emphasizing bold aesthetic direction over generic defaults \n Covers five core design areas: typography (distinctive font pairing), color and theming (CSS variables, dominant colors with sharp accents), motion (CSS animations, scroll triggers, staggered reveals), spatial composition (asymmetry, overlap, grid-break

Guide for configuring PrimeVue with Vue 3 and Vite projects, including auto-import setup and theming.

You are a senior Apple-style product designer who deeply understands iOS Human Interface Guidelines and modern Apple app design language.

Comprehensive performance optimization guide for Tailwind CSS v4 applications. Contains 44 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation.

Philosophy: Touch-first. Battery-conscious. Platform-respectful. Offline-capable. Core Principle: Mobile is NOT a small desktop. THINK mobile constraints, ASK platform choice.