/** @type {import('tailwindcss').Config} */
export default {
  darkMode: 'class',
  content: [
    "./index.html",
    "./src/**/*.{js,ts,jsx,tsx}",
  ],
  theme: {
    extend: {
      colors: {
        // 8-token CI palette aliases — these read CSS variables that are set
        // either by ThemeContext.applyTheme (gallery + branding) or by the
        // :root.dark { } block in index.css (admin dark mode). Use these in
        // place of bg-white / text-neutral-900 / border-neutral-200 so that
        // every component flips with dark/light mode automatically.
        background: 'var(--color-background)',
        surface: 'var(--color-surface)',
        elevated: 'var(--color-elevated)',
        'border-token': 'var(--color-surface-border)',
        'text-primary': 'var(--color-text)',
        'text-secondary': 'var(--color-muted-text)',
        accent: 'var(--color-accent)',
        'accent-dark': 'var(--color-accent-dark)',
        primary: {
          50: '#f0fdf4',
          100: '#dcfce7',
          200: '#bbf7d0',
          300: '#86efac',
          400: '#4ade80',
          500: '#22c55e',
          600: '#5C8762', // Main brand color from scrappbook.de
          700: '#4a6f4f',
          800: '#3f5d42',
          900: '#365238',
        },
        sand: {
          50: '#fdfcfb',
          100: '#f7f5f2',
          200: '#f0ebe5',
          300: '#e6ddd4',
          400: '#d4c2b0',
          500: '#c2a68c',
          600: '#b18b68',
        },
        neutral: {
          50: '#fafafa',
          100: '#f5f5f5',
          200: '#e5e5e5',
          300: '#d4d4d4',
          400: '#a3a3a3',
          500: '#737373',
          600: '#525252',
          700: '#404040',
          800: '#262626',
          900: '#171717',
        }
      },
      fontFamily: {
        sans: ['Inter', 'Noto Sans', 'system-ui', '-apple-system', 'sans-serif'],
      },
      animation: {
        'fade-in': 'fadeIn 0.5s ease-in-out',
        'slide-up': 'slideUp 0.3s ease-out',
        'scale-in': 'scaleIn 0.2s ease-out',
        'shimmer': 'shimmer 2s cubic-bezier(0.4, 0, 0.6, 1) infinite',
      },
      keyframes: {
        fadeIn: {
          '0%': { opacity: '0' },
          '100%': { opacity: '1' },
        },
        slideUp: {
          '0%': { transform: 'translateY(10px)', opacity: '0' },
          '100%': { transform: 'translateY(0)', opacity: '1' },
        },
        scaleIn: {
          '0%': { transform: 'scale(0.95)', opacity: '0' },
          '100%': { transform: 'scale(1)', opacity: '1' },
        },
        shimmer: {
          '0%': { backgroundPosition: '-200% 0' },
          '100%': { backgroundPosition: '200% 0' },
        },
      },
      spacing: {
        '18': '4.5rem',
        '88': '22rem',
      },
      borderRadius: {
        'xl': '1rem',
        '2xl': '1.25rem',
      },
      boxShadow: {
        'soft': '0 2px 8px rgba(0, 0, 0, 0.04)',
        'medium': '0 4px 16px rgba(0, 0, 0, 0.08)',
        'large': '0 8px 32px rgba(0, 0, 0, 0.12)',
      },
    },
  },
  safelist: [
    // Dynamic grid-cols classes used by thumbnail scale offsets
    ...Array.from({ length: 12 }, (_, i) => `grid-cols-${i + 1}`),
    ...Array.from({ length: 12 }, (_, i) => `sm:grid-cols-${i + 1}`),
    ...Array.from({ length: 12 }, (_, i) => `lg:grid-cols-${i + 1}`),
    ...Array.from({ length: 12 }, (_, i) => `xl:grid-cols-${i + 1}`),
  ],
  plugins: [
    // Tailwind's Preflight resets h1-h6 to inherit their size and weight, and
    // strips list-style and padding from ul/ol. Ten places in this app render
    // rich text inside a `prose` container and rely on this plugin to put that
    // typography back — the CMS editor and its preview, the public CMS page,
    // release notes, and the gallery welcome message among them.
    //
    // Without it every `prose*` class is a no-op, so applying a heading or a
    // list in the CMS editor changed the document and changed NOTHING on
    // screen: the toolbar button lit up (the editor state was correct) while
    // the text stayed visually a paragraph. That is issue #1288.
    require('@tailwindcss/typography'),
  ],
}