tailwind-css

Tailwind CSS v4 uses a CSS-first configuration model where you define design tokens directly in your stylesheet using the @theme directive. This approach replaces the legacy JavaScript config file, allowing you to manage color palettes, typography scales, and spacing variables natively in CSS for consistent theming across components.

The best way to migrate to Tailwind v4 involves transitioning to its CSS-first configuration and updating your utility patterns. You must move your token definitions into the @theme block and review the guide's migration steps to ensure your gradients, dark mode, and typography setups align with v4 standards.

Apply responsive design and dark mode patterns in Tailwind v4 by utilizing its modern utility classes and CSS-first token configurations. The framework provides updated utility patterns that integrate seamlessly with your @theme tokens to handle responsive layouts and theme switching across your frontend components.

Yes, Tailwind v4 supports token-based theming for large component libraries through its CSS-first configuration. By centralizing your design tokens in the @theme directive, you can enforce consistent gradient utilities, typography, and responsive rules across all components and team members.

A limitation of CSS-first configuration in Tailwind v4 is the requirement to adapt your workflow from JavaScript-based configs to CSS-based @theme definitions. Teams must follow specific migration patterns and best practices to avoid pitfalls when upgrading existing projects to this new token-driven architecture.