/** @type {import('tailwindcss').Config} */
export default {
  darkMode: 'class',
  content: [
    "./index.html",
    "./src/**/*.{js,jsx,ts,tsx}",
  ],
  theme: {
    extend: {
      colors: {
        primary: {
          50: '#eef2ff',
          100: '#e0e7ff',
          200: '#c7d2fe',
          300: '#a5b4fc',
          400: '#818cf8',
          500: '#6366f1',
          600: '#4f46e5',
          700: '#4338ca',
          800: '#3730a3',
          900: '#312e81',
          950: '#1e1b4b',
        },
        planner: {
          day: '#f8fafc',
          dayBorder: '#e2e8f0',
          dayHeader: '#1e293b',
          sidebar: '#ffffff',
          sidebarBorder: '#f1f5f9',
          overlay: 'rgba(15, 23, 42, 0.4)',
          dragActive: '#eef2ff',
          dragOver: '#c7d2fe',
        },
        // Semantic theme tokens — resolve to the CSS variables in src/index.css
        // (:root light / .dark dark). Use these utilities (bg-surface, text-content,
        // border-edge, bg-accent) instead of inline `style={{ ... 'var(--...)' }}`.
        surface: {
          DEFAULT: 'var(--bg-primary)',
          secondary: 'var(--bg-secondary)',
          tertiary: 'var(--bg-tertiary)',
          elevated: 'var(--bg-elevated)',
          card: 'var(--bg-card)',
          input: 'var(--bg-input)',
          hover: 'var(--bg-hover)',
          selected: 'var(--bg-selected)',
        },
        content: {
          DEFAULT: 'var(--text-primary)',
          secondary: 'var(--text-secondary)',
          muted: 'var(--text-muted)',
          faint: 'var(--text-faint)',
        },
        edge: {
          DEFAULT: 'var(--border-primary)',
          secondary: 'var(--border-secondary)',
          faint: 'var(--border-faint)',
        },
        accent: {
          DEFAULT: 'var(--accent)',
          text: 'var(--accent-text)',
        },
      },
      boxShadow: {
        'day-column': '0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06)',
        'place-card': '0 1px 2px 0 rgba(0, 0, 0, 0.05)',
        'drag-overlay': '0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04)',
      },
    },
  },
  plugins: [],
}