/** @type {import('tailwindcss').Config} */
module.exports = {
  darkMode: 'class',
  content: ['./src/**/*.{js,ts,jsx,tsx,mdx}'],
  theme: {
    container: {
      center: true,
      padding: '1rem',
      screens: { sm: '640px', md: '768px', lg: '1024px', xl: '1280px', '2xl': '1400px' },
    },
    extend: {
      colors: {
        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))',
        },
        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))',
        },
        card: {
          DEFAULT: 'hsl(var(--card))',
          foreground: 'hsl(var(--card-foreground))',
        },
        popover: {
          DEFAULT: 'hsl(var(--popover))',
          foreground: 'hsl(var(--popover-foreground))',
        },
        brand: {
          50: '#f0f7ff',
          100: '#e0effe',
          200: '#bae0fd',
          300: '#7cc8fb',
          400: '#36aaf5',
          500: '#0c8ee7',
          600: '#0070c4',
          700: '#015a9f',
          800: '#064c83',
          900: '#0b406d',
          950: '#072849',
        },
      },
      borderRadius: {
        lg: 'var(--radius)',
        md: 'calc(var(--radius) - 2px)',
        sm: 'calc(var(--radius) - 4px)',
      },
      fontFamily: {
        sans: ['"Noto Sans SC"', '"PingFang SC"', '"Microsoft YaHei"', 'sans-serif'],
      },
      keyframes: {
        'fade-in': {
          from: { opacity: '0', transform: 'translateY(8px)' },
          to: { opacity: '1', transform: 'translateY(0)' },
        },
        'fade-in-up': {
          from: { opacity: '0', transform: 'translateY(16px)' },
          to: { opacity: '1', transform: 'translateY(0)' },
        },
        'shimmer': {
          '0%': { backgroundPosition: '-200% 0' },
          '100%': { backgroundPosition: '200% 0' },
        },
      },
      animation: {
        'fade-in': 'fade-in 0.5s ease-out',
        'fade-in-up': 'fade-in-up 0.6s ease-out',
        'shimmer': 'shimmer 2s infinite linear',
      },
    },
  },
  plugins: [],
}