import '@/styles/globals.css'; import { useEffect } from 'react'; export default function App({ Component, pageProps }) { useEffect(() => { // Check for saved theme preference or default to dark if (localStorage.theme === 'dark' || (!('theme' in localStorage) && window.matchMedia('(prefers-color-scheme: dark)').matches)) { document.documentElement.classList.add('dark'); } else { document.documentElement.classList.remove('dark'); } }, []); return ; }