Sebastian Krüger ea06e2e9d3 refactor: migrate to Tailwind CSS 4 native configuration
Convert from Tailwind CSS 3 style to Tailwind CSS 4 native approach:
- Install @tailwindcss/postcss plugin
- Create postcss.config.mjs with Tailwind PostCSS plugin
- Migrate all custom theme colors to globals.css using @theme directive
- Remove tailwind.config.ts (no longer needed in Tailwind CSS 4)
- Update globals.css from @import style to native CSS with custom properties

Custom theme includes:
- 23 category-specific colors as CSS custom properties
- --color-category-* naming convention for all unit types
- Follows Tailwind CSS 4 best practices with @theme block

Benefits:
- Native CSS features, no JS config needed
- Better performance with PostCSS plugin
- Cleaner separation of concerns
- Follows Tailwind CSS 4 migration guide

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-08 09:26:11 +01:00

Unit Converter

A spectacular, innovative unit conversion application built with modern web technologies to provide the best user experience for converting between various measurement units.

Tech Stack

  • Next.js 16 - React framework with App Router and static export
  • TypeScript - Type-safe development
  • Tailwind CSS 4 - Modern utility-first CSS framework
  • convert-units - Comprehensive unit conversion library

Features

Supported Units

23 measurement categories with 187 individual units:

  • Angle, Apparent Power, Area, Current, Digital
  • Each, Energy, Frequency, Illuminance, Length
  • Mass, Pace, Parts Per, Power, Pressure
  • Reactive Energy, Reactive Power, Speed, Temperature
  • Time, Voltage, Volume, Volume Flow Rate

Innovative UX Features

  • Real-time bidirectional conversion
  • Smart context-aware interface with fuzzy search
  • Visual comparison with color-coded categories
  • Keyboard shortcuts for power users
  • Mobile-first responsive design
  • Conversion history with localStorage
  • Dark mode support

Getting Started

Prerequisites

  • Node.js 18+ or 20+
  • pnpm (recommended) or npm

Installation

# Install dependencies
pnpm install

# Run development server
pnpm dev

# Build for production
pnpm build

# Start production server
pnpm start

Open http://localhost:3000 to see the app.

Project Structure

units-ui/
├── app/                  # Next.js App Router
│   ├── layout.tsx       # Root layout
│   ├── page.tsx         # Home page
│   └── globals.css      # Global styles
├── components/          # React components (coming soon)
├── lib/                 # Utility functions (coming soon)
├── public/              # Static assets
└── IMPLEMENTATION_PLAN.md  # Detailed implementation plan

Development

See IMPLEMENTATION_PLAN.md for the complete development roadmap.

License

MIT


Built with Next.js 16, Tailwind CSS 4, and convert-units

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