tailwind.config.js

const colors = require('tailwindcss/colors');
const {
    default: flattenColorPalette,
} = require('tailwindcss/lib/util/flattenColorPalette');

/** @type {import('tailwindcss').Config} */
module.exports = {
    darkMode: 'class',
    content: [
        './app/**/*.{js,ts,jsx,tsx,mdx}',
        './pages/**/*.{js,ts,jsx,tsx,mdx}',
        './components/**/*.{js,ts,jsx,tsx,mdx}',

        // Or if using `src` directory:
        './src/**/*.{js,ts,jsx,tsx,mdx}',
    ],
    theme: {
        container: {
            center: true,
            padding: '2rem',
            screens: {
                '2xl': '1400px',
            },
        },
        extend: {
            colors: {
                // shadcn
                border: 'hsl(var(--border))',
                input: 'hsl(var(--input))',
                ring: 'hsl(var(--ring))',
                background: 'hsl(var(--background))',
                foreground: 'hsl(var(--foreground))',
                primary: {
                    DEFAULT: 'hsl(var(--primary))',
                    foreground: 'hsl(var(--primary-foreground))',
                },
                secondary: {
                    DEFAULT: 'hsl(var(--secondary))',
                    foreground: 'hsl(var(--secondary-foreground))',
                },
                tertiary: {
                    DEFAULT: 'hsl(var(--tertiary))',
                    foreground: 'hsl(var(--tertiary-foreground))',
                },
                destructive: {
                    DEFAULT: 'hsl(var(--destructive))',
                    foreground: 'hsl(var(--destructive-foreground))',
                },
                muted: {
                    DEFAULT: 'hsl(var(--muted))',
                    foreground: 'hsl(var(--muted-foreground))',
                },
                accent: {
                    DEFAULT: 'hsl(var(--accent))',
                    foreground: 'hsl(var(--accent-foreground))',
                },
                popover: {
                    DEFAULT: 'hsl(var(--popover))',
                    foreground: 'hsl(var(--popover-foreground))',
                },
                card: {
                    DEFAULT: 'hsl(var(--card))',
                    foreground: 'hsl(var(--card-foreground))',
                },
            },
            screens: {
                xs: '475px',
            },
            borderRadius: {
                lg: `var(--radius)`,
                md: `calc(var(--radius) - 2px)`,
                sm: 'calc(var(--radius) - 4px)',
            },
            fontFamily: {
                singleDay: ['var(--font-single-day)'],
            },
            keyframes: {
                'accordion-down': {
                    from: { height: '0' },
                    to: { height: 'var(--radix-accordion-content-height)' },
                },
                'accordion-up': {
                    from: { height: 'var(--radix-accordion-content-height)' },
                    to: { height: '0' },
                },
            },
            animation: {
                'accordion-down': 'accordion-down 0.2s ease-out',
                'accordion-up': 'accordion-up 0.2s ease-out',
            },
        },
    },
    plugins: [require('tailwindcss-animate'), addVariablesForColors],
};

// This plugin adds each Tailwind color as a global CSS variable, e.g. var(--gray-200).
function addVariablesForColors({ addBase, theme }) {
    let allColors = flattenColorPalette(theme('colors'));
    let newVars = Object.fromEntries(
        Object.entries(allColors).map(([key, val]) => [`--${key}`, val]),
    );

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