src/components/Providers.tsx

"use client"

import { useState, useEffect } from 'react'
import { ThemeProvider } from '@mui/material/styles'
import CssBaseline from '@mui/material/CssBaseline'
import { CacheProvider } from '@emotion/react'
import createEmotionCache from '@/lib/createEmotionCache'
import { theme } from '@/theme'

const clientSideEmotionCache = createEmotionCache()

export default function Providers({ children }: { children: React.ReactNode }) {
  const [mounted, setMounted] = useState(false)

  useEffect(() => {
    setMounted(true)
  }, [])

  if (!mounted) {
    return null
  }

  return (
    <CacheProvider value={clientSideEmotionCache}>
      <ThemeProvider theme={theme}>
        <CssBaseline />
        {children}
      </ThemeProvider>
    </CacheProvider>
  )
}