Portfolio/src/context/ThemeContext.js

import React, { createContext, useState, useContext } from 'react';

const ThemeContext = createContext();

export const ThemeProvider = ({ children }) => {
  const [isDarkMode, setIsDarkMode] = useState(true);

  const toggleTheme = () => {
    setIsDarkMode(!isDarkMode);
    document.documentElement.setAttribute('data-theme', !isDarkMode ? 'dark' : 'light');
  };

  return (
    <ThemeContext.Provider value={{ isDarkMode, toggleTheme }}>
      {children}
    </ThemeContext.Provider>
  );
};

export const useTheme = () => {
  const context = useContext(ThemeContext);
  if (context === undefined) {
    throw new Error('useTheme must be used within a ThemeProvider');
  }
  return context;
};