website/src/components/Button.tsx

import type { ButtonHTMLAttributes, ReactNode } from 'react'

interface ButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
  variant?: 'primary' | 'secondary' | 'ghost'
  size?: 'md' | 'sm'
  children: ReactNode
}

export default function Button({
  variant = 'primary',
  size = 'md',
  className,
  children,
  ...rest
}: ButtonProps) {
  const cls = [
    'btn',
    `btn-${variant}`,
    size === 'sm' ? 'btn-sm' : '',
    className ?? '',
  ]
    .filter(Boolean)
    .join(' ')
  return (
    <button className={cls} {...rest}>
      {children}
    </button>
  )
}