tailwind.config.ts

import type { Config } from "tailwindcss";
const {
	default: flattenColorPalette,
} = require("tailwindcss/lib/util/flattenColorPalette");

const config: Config = {
    darkMode: ["class"],
    content: [
    "./pages/**/*.{js,ts,jsx,tsx,mdx}",
    "./components/**/*.{js,ts,jsx,tsx,mdx}",
    "./app/**/*.{js,ts,jsx,tsx,mdx}",
  ],
  theme: {
  	extend: {
  		colors: {
  			background: 'var(--background)',
  			foreground: 'var(--foreground)'
  		},
  		borderRadius: {
  			lg: 'var(--radius)',
  			md: 'calc(var(--radius) - 2px)',
  			sm: 'calc(var(--radius) - 4px)'
  		}
  	}
  },
  plugins: [require("tailwindcss-animate"), addVariablesForColors],
};

function addVariablesForColors({ addBase, theme }: any) {
	let allColors = flattenColorPalette(theme("colors"));
	let newVars = Object.fromEntries(
		Object.entries(allColors).map(([key, val]) => [`--${key}`, val])
	);

	addBase({
		":root": newVars,
	});
}

export default config;