clash-verge-rev/src/components/base/base-fieldset.tsx

import { Box, styled } from '@mui/material'
import React from 'react'

type Props = {
  label: string
  fontSize?: string
  width?: string
  padding?: string
  children?: React.ReactNode
}

export const BaseFieldset: React.FC<Props> = ({
  label,
  fontSize,
  width,
  padding,
  children,
}: Props) => {
  const Fieldset = styled(Box)<{ component?: string }>(() => ({
    position: 'relative',
    border: '1px solid #bbb',
    borderRadius: '5px',
    width: width ?? 'auto',
    padding: padding ?? '15px',
  }))

  const Label = styled('legend')(({ theme }) => ({
    position: 'absolute',
    top: '-10px',
    left: padding ?? '15px',
    backgroundColor: theme.palette.background.paper,
    backgroundImage:
      'linear-gradient(rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.16))',
    color: theme.palette.text.primary,
    fontSize: fontSize ?? '1em',
  }))

  return (
    <Fieldset component="fieldset">
      <Label>{label}</Label>
      {children}
    </Fieldset>
  )
}