What problem does it solve? Styling responsive layouts and UI components with Tailwind CSS requires knowing the correct utility classes, and Tailwind v4 introduced breaking changes (CSS-first config, removed utilities) that make older patterns fail silently. ## Core Features & Use Cases - Tailwind v4 Guidance: Enforces CSS-first configuration with the @theme directive and @import "tailwindcss" instead of deprecated @tailwind directives and tailwind.config.js. - Deprecated Utility Replacement: Maps removed v3 utilities (bg-opacity-, flex-shrink-, overflow-ellipsis) to their v4 equivalents. - Layout & Component Patterns: Provides flexbox and grid layout snippets, gap-based spacing, and dark mode variants for cards, navbars, tables, and forms in Blade, JSX, or Vue templates. - Use Case: When building a responsive product card grid in a Laravel Blade template, the Skill generates grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6 markup with matching dark mode variants. ## Quick Start Ask the AI to style a responsive three-column card grid with dark mode support using Tailwind CSS v4 in your Blade or JSX template.