What problem does it solve? Choosing consistent colors, fonts, spacing, and interaction patterns for a new UI is slow and error-prone, and teams often ship interfaces with accessibility, contrast, or responsive-layout defects. This Skill provides a searchable design rule database and a structured workflow that produces a complete Design System before any code is written. ## Core Features & Use Cases - Design System Generation: Produces color palettes, typography scales, spacing grids, and effect tokens matched to product type (SaaS, e-commerce, fintech, healthcare) and industry. - Priority-Based UX Rule Database: 99 UX guidelines ranked across 8 categories, from CRITICAL accessibility and touch-target rules down to chart-type selection, plus 50+ styles, 97 palettes, and 57 font pairings. - Multi-Stack Guidance: Stack-specific rules for html-tailwind, React, Next.js, Vue, Svelte, shadcn, SwiftUI, React Native, Flutter, and Jetpack Compose, with a pre-delivery checklist covering visual quality, interaction, dark mode, layout, and accessibility. - Use Case: When building a SaaS dashboard in Next.js, use this Skill to generate a neutral-base palette with one accent, a typography scale, and then validate the result against the accessibility and responsive checklists before delivery. ## Quick Start Ask the AI to generate a design system for a dark-mode fintech landing page using the ui-ux-pro-max guidelines and review it against the pre-delivery checklist.