/** @type {import('tailwindcss').Config} */
export default {
  content: [
    "./index.html",
    "./src/**/*.{js,ts,jsx,tsx}",
  ],
  darkMode: 'class',
  theme: {
    extend: {
      colors: {
        // Semantic color tokens — driven by CSS custom properties set per theme
        surface: {
          base: 'var(--color-surface-base)',
          raised: 'var(--color-surface-raised)',
          overlay: 'var(--color-surface-overlay)',
          inset: 'var(--color-surface-inset)',
        },
        // Legacy dark-* aliases for backward compatibility
        dark: {
          900: 'var(--color-surface-base)',
          800: 'var(--color-surface-raised)',
          700: 'var(--color-surface-overlay)',
          600: 'var(--color-surface-inset)',
        },
        accent: {
          blue:   'var(--color-accent-blue)',
          green:  'var(--color-accent-green)',
          purple: 'var(--color-accent-purple)',
          orange: 'var(--color-accent-orange)',
          red:    'var(--color-accent-red)',
        },
        content: {
          primary:   'var(--color-content-primary)',
          secondary: 'var(--color-content-secondary)',
          tertiary:  'var(--color-content-tertiary)',
          inverse:   'var(--color-content-inverse)',
        },
        border: {
          DEFAULT: 'var(--color-border)',
          strong:  'var(--color-border-strong)',
        },
      },
      fontFamily: {
        sans: [
          'Inter',
          '-apple-system',
          'BlinkMacSystemFont',
          '"Segoe UI"',
          'Roboto',
          '"Helvetica Neue"',
          'Arial',
          '"Noto Sans SC"',
          '"PingFang SC"',
          '"Microsoft YaHei"',
          'sans-serif',
        ],
        mono: [
          'Menlo',
          'Monaco',
          'Consolas',
          '"Liberation Mono"',
          '"Courier New"',
          'monospace',
        ],
      },
      animation: {
        'fade-in': 'fadeIn 0.15s ease-out',
        'slide-up': 'slideUp 0.2s ease-out',
        'scale-in': 'scaleIn 0.15s ease-out',
      },
      keyframes: {
        fadeIn: {
          '0%': { opacity: '0' },
          '100%': { opacity: '1' },
        },
        slideUp: {
          '0%': { opacity: '0', transform: 'translateY(8px)' },
          '100%': { opacity: '1', transform: 'translateY(0)' },
        },
        scaleIn: {
          '0%': { opacity: '0', transform: 'scale(0.96)' },
          '100%': { opacity: '1', transform: 'scale(1)' },
        },
      },
    },
  },
  plugins: [],
}