Setup Tailwind CSS (Vite, Next.js)

Scope

• Only handle Vite and Next.js.
• Assume the project already exists (no project initialization steps).
• Follow the official Tailwind CSS v4 install flow for each platform.

Decision

• If the project is Vite, follow the Vite steps.
• If the project is Next.js, follow the Next.js steps.
• If the project is neither, ask the user to confirm the framework.

Vite (official plugin)

1. Ensure you are in the project root.

2. Install Tailwind CSS (latest) and the Vite plugin: