tailwind.config.ts

import type { Config } from 'tailwindcss';
import { formatRgb } from 'culori';
import plugin from 'tailwindcss/plugin';

function createTwConfigValues(start: number, end: number, step: number) {
  const remBase = 16;
  const obj = {};
  for (let i = start; i <= end; i = i + step) {
    obj[i] = `${i / remBase}rem`;
  }
  return obj;
}

const oklch = (l: number, c: number, h: number) => {
  const result = formatRgb(`oklch(${l} ${c} ${h} / 0)`);
  return result.replace(', 0)', ', <alpha-value>)');
};
const lighten = (l: number, amount: number) => Math.min(l + amount, 1);
const darken = (l: number, amount: number) => Math.max(l - amount, 0);

const lightDark = (l: number, c: number, h: number) => ({
  light: oklch(lighten(l, 0.2), c, h),
  DEFAULT: oklch(l, c, h),
  dark: oklch(darken(l, 0.5), c, h),
});

export default {
  content: ['./src/**/*.{js,jsx,ts,tsx}'],
  theme: {
    extend: {
      aria: {
        'current-page': 'current="page"',
      },
    },
    screens: {
      sm: '640px',
      md: '768px',
      lg: '1024px',
      xl: '1280px',
      '2xl': '1536px',
    },
    colors: ({ colors }) => {
      // Background color variables
      const hue = 0;
      const chroma = 0; // Recommended 0.01, 0.02
      return {
        background: {
          50: oklch(0.99, chroma, hue),
          100: oklch(0.97, chroma, hue),
          200: oklch(0.92, chroma, hue),
          300: oklch(0.87, chroma, hue),
          400: oklch(0.72, chroma, hue),
          500: oklch(0.56, chroma, hue),
          600: oklch(0.44, chroma, hue),
          700: oklch(0.37, chroma, hue),
          800: oklch(0.27, chroma, hue),
          900: oklch(0.2, chroma, hue),
        },
        white: colors.white,
        transparent: colors.transparent,
        primaryGradient: {
          first: lightDark(0.7985, 0.132, 159.5), // #67D79F
          middle: lightDark(0.7292, 0.127, 214.3), // #10BBD8
          last: lightDark(0.7617, 0.119, 184.67), // #3DCABB
        },
        primary: lightDark(0.7985, 0.132, 159.5), // #67D79F
        error: lightDark(0.65, 0.147, 15), // #D86371
        sell: lightDark(0.65, 0.147, 15), // #D86371
        buy: lightDark(0.68, 0.153, 160), // #00B578
        success: lightDark(0.68, 0.153, 160), // #00B578
        warning: lightDark(0.747, 0.18, 57.36), // #ff8a00
        black: oklch(0.13, chroma, hue),
      };
    },
    spacing: createTwConfigValues(0, 100, 1),
    animation: {
      none: 'none',
      spin: 'spin 1s linear infinite',
      ping: 'ping 1s cubic-bezier(0, 0, 0.2, 1) infinite',
      pulse: 'pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite',
      bounce: 'bounce 1s infinite',
      fade: 'fade var(--duration, 0) var(--delay, 0s)',
      slideUp:
        'fade var(--duration, 400ms) var(--delay, 0s) var(--easing, cubic-bezier(0.16, 1, 0.3, 1)) both, translateY var(--duration, 400ms) var(--delay, 0s) var(--easing, cubic-bezier(0.16, 1, 0.3, 1)) both',
      scaleUp:
        'fade var(--duration, 400ms) var(--delay, 0s) var(--easing, cubic-bezier(0.16, 1, 0.3, 1)) both, scale var(--duration, 400ms) var(--delay, 0s) var(--easing, cubic-bezier(0.16, 1, 0.3, 1)) both',
    },
    borderColor: ({ theme }) => ({
      ...theme('colors'),
      DEFAULT: theme('colors.gray.200', 'currentColor'),
    }),
    borderRadius: {
      ...createTwConfigValues(0, 50, 2),
      DEFAULT: '16px',
      full: '9999px',
    },
    fontFamily: {
      text: ['Carbon-Text', 'system-ui', 'sans-serif'],
      title: ['Carbon-Title', 'system-ui', 'sans-serif'],
    },
    fontSize: {
      10: ['0.625rem', { lineHeight: '0.875rem' }],
      12: ['0.75rem', { lineHeight: '1rem' }],
      14: ['0.875rem', { lineHeight: '1.25rem' }],
      16: ['1rem', { lineHeight: '1.5rem' }],
      18: ['1.125rem', { lineHeight: '1.75rem' }],
      20: ['1.25rem', { lineHeight: '1.75rem' }],
      24: ['1.5rem', { lineHeight: '2rem' }],
      30: ['1.875rem', { lineHeight: '2.25rem' }],
      36: ['2.25rem', { lineHeight: '2.5rem' }],
    },
    fontWeight: {
      'weight-100': '100',
      'weight-200': '200',
      'weight-300': '300',
      'weight-400': '400',
      'weight-500': '500',
      'weight-600': '600',
      'weight-700': '700',
      'weight-800': '800',
      'weight-900': '900',
    },
    keyframes: {
      spin: {
        to: {
          transform: 'rotate(360deg)',
        },
      },
      ping: {
        '75%, 100%': {
          transform: 'scale(2)',
          opacity: '0',
        },
      },
      pulse: {
        '50%': {
          opacity: '.5',
        },
      },
      bounce: {
        '0%, 100%': {
          transform: 'translateY(-25%)',
          animationTimingFunction: 'cubic-bezier(0.8,0,1,1)',
        },
        '50%': {
          transform: 'none',
          animationTimingFunction: 'cubic-bezier(0,0,0.2,1)',
        },
      },
      fade: {
        from: {
          opacity: '0',
        },
      },
      translateY: {
        from: {
          transform: 'translateY(20px)',
        },
      },
      scale: {
        from: {
          transform: 'scale(var(--from-scale, 0.8))',
        },
      },
    },
    maxWidth: ({ theme, breakpoints }) => ({
      none: 'none',
      0: '0rem',
      xs: '20rem',
      sm: '24rem',
      md: '28rem',
      lg: '32rem',
      xl: '36rem',
      '2xl': '42rem',
      '3xl': '48rem',
      '4xl': '56rem',
      '5xl': '64rem',
      '6xl': '72rem',
      '7xl': '80rem',
      full: '100%',
      min: 'min-content',
      max: 'max-content',
      fit: 'fit-content',
      prose: '65ch',
      ...breakpoints(theme('screens')),
    }),
  },
  plugins: [
    plugin(({ addUtilities }) => {
      addUtilities({
        '.transformBox-content': { 'transform-box': 'content-box' },
        '.transformBox-border': { 'transform-box': 'border-box' },
        '.transformBox-fill': { 'transform-box': 'fill-box' },
        '.transformBox-stroke': { 'transform-box': 'stroke-box' },
        '.transformBox-view': { 'transform-box': 'view-box' },
      });
    }),
  ],
} satisfies Config;