tailwind-v4-shadcn

Setting up Tailwind CSS v4 with shadcn/ui requires following an automated setup guide that configures a CSS-first approach using CSS variables. This process ensures proper Vite project integration by removing tailwind.config.ts for theme definitions.

Dark mode fails when the mandatory four-step pattern for CSS variables is not implemented correctly. This setup prevents dark mode conflicts by ensuring proper CSS variable mapping and using the correct architectural changes introduced in Tailwind v4.

No, you do not need tailwind.config.ts for theme definitions in Tailwind CSS v4. The architecture shifts to a CSS-first approach using the @theme inline directive and CSS variables to define themes instead of a JavaScript configuration file.

Common configuration errors include incorrect setup, missing CSS variable mappings, and dark mode conflicts. This setup addresses eight specific errors to ensure adherence to Tailwind v4 architectural changes and prevent issues with @apply directives.

Yes, you can use the @apply directive, but issues often arise from missing CSS variable mappings. Proper configuration using the @theme inline directive ensures that @apply works seamlessly with your CSS variable architecture.

The @theme inline directive is a core architectural feature in Tailwind CSS v4 used for defining themes. It replaces the traditional JavaScript configuration file, allowing developers to map CSS variables directly within the CSS file.