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Tailwind CSS

Tailwind CSS from utility-first philosophy and responsive design to JIT, dark mode, theme customization, v4 CSS-first config, plugin authoring, and production optimization.

Tailwind CSS

Utility-first philosophy

Responsive design and mobile-first breakpoints

Dark mode: class vs media strategies

JIT (Just-in-Time) engine

Arbitrary values

@apply directive

Tailwind v4 CSS-first configuration

Theme customization and design tokens

CSS @layer integration

Component extraction patterns

clsx and tailwind-merge

Purging and tree-shaking unused styles

Typography plugin (@tailwindcss/typography)

Forms plugin (@tailwindcss/forms)

Animation utilities

Integrating Tailwind with component libraries

Plugin authoring

Tailwind v4 @variant directive

Performance and build optimisation

Container queries with Tailwind

Tailwind v4 architecture deep dive