/** @type {import('tailwindcss').Config} */

// Every value here resolves to a CSS variable declared in src/index.css, so the
// tokens have exactly one source of truth. Components should reach for these
// utilities rather than hard-coded hex values or arbitrary shadows.
module.exports = {
  darkMode: ['class'],
  content: ['./index.html', './src/**/*.{ts,tsx,js,jsx}'],
  theme: {
    container: {
      center: true,
      padding: 'var(--page-gutter)',
      screens: { '2xl': 'var(--container-max)' },
    },
    extend: {
      borderRadius: {
        lg: 'var(--radius)',
        md: 'calc(var(--radius) - 2px)',
        sm: 'calc(var(--radius) - 4px)',
        xl: 'calc(var(--radius) + 4px)',
        '2xl': 'calc(var(--radius) + 8px)',
        '3xl': 'calc(var(--radius) + 16px)',
      },
      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))',
          muted: 'hsl(var(--destructive-muted))',
        },
        border: 'hsl(var(--border))',
        input: 'hsl(var(--input))',
        ring: 'hsl(var(--ring))',

        /* KROW brand — named so intent is readable in markup */
        krow: {
          blue: '#0A39DF',
          'blue-dark': '#082EB4',
          'blue-tint': '#EFF6FF',
          yellow: '#F9E547',
          'yellow-pale': '#F8E08E',
          navy: '#333F48',
          mint: '#D1E0D7',
        },

        /* Semantic status */
        success: {
          DEFAULT: 'hsl(var(--success))',
          foreground: 'hsl(var(--success-foreground))',
          muted: 'hsl(var(--success-muted))',
        },
        warning: {
          DEFAULT: 'hsl(var(--warning))',
          foreground: 'hsl(var(--warning-foreground))',
          muted: 'hsl(var(--warning-muted))',
        },
        info: {
          DEFAULT: 'hsl(var(--info))',
          foreground: 'hsl(var(--info-foreground))',
          muted: 'hsl(var(--info-muted))',
        },
        neutral: {
          DEFAULT: 'hsl(var(--neutral))',
          foreground: 'hsl(var(--neutral-foreground))',
          muted: 'hsl(var(--neutral-muted))',
        },

        /* Text hierarchy */
        ink: {
          1: 'hsl(var(--ink-1))',
          2: 'hsl(var(--ink-2))',
          3: 'hsl(var(--ink-3))',
          4: 'hsl(var(--ink-4))',
        },

        /* Surfaces */
        surface: {
          DEFAULT: 'hsl(var(--surface))',
          subtle: 'hsl(var(--surface-subtle))',
          sunken: 'hsl(var(--surface-sunken))',
        },

        /* Owliver assistant panel */
        panel: {
          DEFAULT: 'hsl(var(--panel))',
          raised: 'hsl(var(--panel-raised))',
          border: 'hsl(var(--panel-border))',
          foreground: 'hsl(var(--panel-foreground))',
          muted: 'hsl(var(--panel-muted))',
        },

        chart: {
          1: 'hsl(var(--chart-1))',
          2: 'hsl(var(--chart-2))',
          3: 'hsl(var(--chart-3))',
          4: 'hsl(var(--chart-4))',
          5: 'hsl(var(--chart-5))',
        },
        sidebar: {
          DEFAULT: 'hsl(var(--sidebar-background))',
          foreground: 'hsl(var(--sidebar-foreground))',
          primary: 'hsl(var(--sidebar-primary))',
          'primary-foreground': 'hsl(var(--sidebar-primary-foreground))',
          accent: 'hsl(var(--sidebar-accent))',
          'accent-foreground': 'hsl(var(--sidebar-accent-foreground))',
          border: 'hsl(var(--sidebar-border))',
          ring: 'hsl(var(--sidebar-ring))',
        },
      },
      fontFamily: {
        heading: ['var(--font-heading)'],
        body: ['var(--font-body)'],
        display: ['var(--font-display)'],
        mono: ['var(--font-mono)'],
      },
      /* Type scale — the sizes the app actually uses, named so pages stop
         reaching for arbitrary `text-[13px]` values. */
      fontSize: {
        'display-lg': ['2rem', { lineHeight: '2.375rem', letterSpacing: '-0.02em', fontWeight: '700' }],
        display: ['1.75rem', { lineHeight: '2.125rem', letterSpacing: '-0.02em', fontWeight: '700' }],
        'title-lg': ['1.375rem', { lineHeight: '1.75rem', letterSpacing: '-0.01em', fontWeight: '700' }],
        title: ['1rem', { lineHeight: '1.375rem', letterSpacing: '-0.01em', fontWeight: '600' }],
        'body-lg': ['0.9375rem', { lineHeight: '1.5rem' }],
        body: ['0.875rem', { lineHeight: '1.375rem' }],
        'body-sm': ['0.8125rem', { lineHeight: '1.25rem' }],
        caption: ['0.75rem', { lineHeight: '1.125rem' }],
        overline: ['0.6875rem', { lineHeight: '1rem', letterSpacing: '0.06em', fontWeight: '600' }],
      },
      boxShadow: {
        xs: 'var(--shadow-xs)',
        sm: 'var(--shadow-sm)',
        md: 'var(--shadow-md)',
        lg: 'var(--shadow-lg)',
        xl: 'var(--shadow-xl)',
        brand: 'var(--shadow-brand)',
        panel: 'var(--shadow-panel)',
        none: 'none',
      },
      transitionTimingFunction: {
        out: 'var(--ease-out)',
        'in-out': 'var(--ease-in-out)',
        spring: 'var(--ease-spring)',
      },
      transitionDuration: {
        fast: 'var(--duration-fast)',
        base: 'var(--duration-base)',
        slow: 'var(--duration-slow)',
      },
      maxWidth: {
        container: 'var(--container-max)',
        /* The shell width. Wide enough that the dashboard keeps roughly its
           original measure once the 380px assistant column is beside it. */
        'container-wide': 'var(--container-wide)',
        admin: 'var(--container-admin)',
      },
      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' },
        },
        shimmer: {
          '0%': { backgroundPosition: '200% 0' },
          '100%': { backgroundPosition: '-200% 0' },
        },
        'fade-in': {
          from: { opacity: '0' },
          to: { opacity: '1' },
        },
        'slide-up': {
          from: { opacity: '0', transform: 'translateY(8px)' },
          to: { opacity: '1', transform: 'translateY(0)' },
        },
        'slide-down': {
          from: { opacity: '0', transform: 'translateY(-8px)' },
          to: { opacity: '1', transform: 'translateY(0)' },
        },
        'scale-in': {
          from: { opacity: '0', transform: 'scale(0.96)' },
          to: { opacity: '1', transform: 'scale(1)' },
        },
        /* Owliver typing indicator */
        typing: {
          '0%, 60%, 100%': { opacity: '0.3', transform: 'translateY(0)' },
          '30%': { opacity: '1', transform: 'translateY(-2px)' },
        },
        /* Live/streaming pulse on the assistant status dot */
        'pulse-ring': {
          '0%': { boxShadow: '0 0 0 0 rgb(34 197 94 / 0.5)' },
          '70%': { boxShadow: '0 0 0 6px rgb(34 197 94 / 0)' },
          '100%': { boxShadow: '0 0 0 0 rgb(34 197 94 / 0)' },
        },
        caret: {
          '0%, 49%': { opacity: '1' },
          '50%, 100%': { opacity: '0' },
        },
      },
      animation: {
        'accordion-down': 'accordion-down 0.2s ease-out',
        'accordion-up': 'accordion-up 0.2s ease-out',
        shimmer: 'shimmer 1.6s var(--ease-in-out) infinite',
        'fade-in': 'fade-in var(--duration-base) var(--ease-out)',
        'slide-up': 'slide-up var(--duration-slow) var(--ease-out)',
        'slide-down': 'slide-down var(--duration-slow) var(--ease-out)',
        'scale-in': 'scale-in var(--duration-base) var(--ease-out)',
        typing: 'typing 1.2s var(--ease-in-out) infinite',
        'pulse-ring': 'pulse-ring 2s var(--ease-out) infinite',
        caret: 'caret 1s steps(1) infinite',
      },
    },
  },
  plugins: [require('tailwindcss-animate')],
};