Installation 
Prerequisites 
Before installing the Reka UI preset, make sure you have UnoCSS set up in your project. If you haven't already, follow the UnoCSS installation guide.
Install the Package 
bash
pnpm add -D unocss-preset-reka-uibash
npm install -D unocss-preset-reka-uibash
yarn add -D unocss-preset-reka-uibash
bun add -D unocss-preset-reka-uiBasic Configuration 
Add the preset to your UnoCSS configuration file:
ts
// uno.config.ts
import { defineConfig } from 'unocss'
import { presetRekaUI } from 'unocss-preset-reka-ui'
export default defineConfig({
  presets: [
    // ...your other presets
    presetRekaUI(),
  ],
})This will enable the preset with default settings.
Configuration Options 
Complete Example 
Here's a complete example with all available configuration options:
ts
// uno.config.ts
import { defineConfig } from 'unocss'
import { presetRekaUI } from 'unocss-preset-reka-ui'
export default defineConfig({
  presets: [
    // ...your other presets
    presetRekaUI({
      // Radix Colors configuration
      radixColors: {
        darkSelector: '.dark, [data-theme="dark"]',
        lightSelector: ':root',
        prefix: '--colors-',
      },
      // Variants configuration
      variants: 'reka-', // Use 'false' to disable variants
      // Animations configuration
      animations: true, // Use 'false' to disable animations
    }),
  ],
})Radix Colors 
The Radix Colors feature adds a comprehensive color system with light and dark mode support.
ts
presetRekaUI({
  // Enable with default settings
  radixColors: true,
  // Or customize with options
  radixColors: {
    // CSS selector for dark mode
    darkSelector: '.dark, [data-theme="dark"]',
    // CSS selector for light mode
    lightSelector: ':root',
    // CSS variable prefix for Radix colors
    prefix: '--colors-',
  },
  // Or disable completely
  radixColors: false,
})Variants 
The variants feature adds state-based styling capabilities to target data attributes.
ts
presetRekaUI({
  // Enable with default prefix 'reka-'
  variants: 'reka-',
  // Use custom prefix
  variants: 'ui-',
  // Or disable variants
  variants: false,
})Animations 
The animations feature adds pre-configured keyframes and utilities for UI animations.
ts
presetRekaUI({
  // Enable animations
  animations: true,
  // Disable animations
  animations: false,
})Next Steps 
Now that you've installed and configured the Reka UI preset, check out these resources:
- Radix Colors Guide - Learn how to use the color system
- Variants System - Discover all available variants
- Animations - See how to use the animation utilities