import type { Config } from 'tailwindcss'

// Presets intentionally omit `content` — each consuming app supplies its own.
// tailwindcss exposes PresetsConfig = Partial<Config> for this purpose.
const preset: Partial<Config> = {
  darkMode: 'class',
  theme: {
    extend: {
      colors: {
        background: 'hsl(var(--background))',
        foreground: 'hsl(var(--foreground))',
        card: {
          DEFAULT: 'hsl(var(--card))',
          foreground: 'hsl(var(--card-foreground))',
        },
        popover: {
          DEFAULT: 'hsl(var(--popover))',
          foreground: 'hsl(var(--popover-foreground))',
        },
        primary: {
          DEFAULT: 'hsl(var(--primary))',
          foreground: 'hsl(var(--primary-foreground))',
        },
        secondary: {
          DEFAULT: 'hsl(var(--secondary))',
          foreground: 'hsl(var(--secondary-foreground))',
        },
        muted: {
          DEFAULT: 'hsl(var(--muted))',
          foreground: 'hsl(var(--muted-foreground))',
        },
        accent: {
          DEFAULT: 'hsl(var(--accent))',
          foreground: 'hsl(var(--accent-foreground))',
        },
        destructive: {
          DEFAULT: 'hsl(var(--destructive))',
          foreground: 'hsl(var(--destructive-foreground))',
        },
        border: 'hsl(var(--border))',
        input: 'hsl(var(--input))',
        ring: 'hsl(var(--ring))',
      },
      borderRadius: {
        // All derived from per-step vars so changing --radius reshapes everything
        sm: 'var(--radius-sm)',
        md: 'var(--radius-md)',
        lg: 'var(--radius-lg)',
        xl: 'var(--radius-xl)',
        full: 'var(--radius-full)',
        DEFAULT: 'var(--radius)',
      },
      boxShadow: {
        sm: 'var(--shadow-sm)',
        DEFAULT: 'var(--shadow-md)',
        md: 'var(--shadow-md)',
        lg: 'var(--shadow-lg)',
        xl: 'var(--shadow-xl)',
        none: 'none',
      },
      fontFamily: {
        sans: ['var(--font-sans)', 'ui-sans-serif', 'system-ui', 'sans-serif'],
        mono: ['var(--font-mono)', 'ui-monospace', 'monospace'],
        heading: ['var(--font-heading, var(--font-sans))', 'ui-sans-serif', 'sans-serif'],
      },
      transitionDuration: {
        fast: 'var(--duration-fast)',
        DEFAULT: 'var(--duration-normal)',
        slow: 'var(--duration-slow)',
      },
      borderWidth: {
        DEFAULT: 'var(--border-width)',
      },
      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: [],
}

export default preset