Simple With Dismiss Button

'use client'

import { useState } from 'react'
import { Dialog, DialogBackdrop, DialogPanel, DialogTitle } from '@headlessui/react'
import { ExclamationTriangleIcon, XMarkIcon } from '@heroicons/react/24/outline'

export default function Example() {
  const [open, setOpen] = useState(true)

  return (
    <div>
      <button
        onClick={() => setOpen(true)}
        className="rounded-md bg-gray-950/5 px-2.5 py-1.5 text-sm font-semibold text-gray-900 hover:bg-gray-950/10 dark:bg-white/10 dark:text-white dark:inset-ring dark:inset-ring-white/5 dark:hover:bg-white/20"
      >
        Open dialog
      </button>
      <Dialog open={open} onClose={setOpen} className="relative z-10">
        <DialogBackdrop
          transition
          className="fixed inset-0 bg-gray-500/75 transition-opacity data-closed:opacity-0 data-enter:duration-300 data-enter:ease-out data-leave:duration-200 data-leave:ease-in dark:bg-gray-900/50"
        />

        <div className="fixed inset-0 z-10 w-screen overflow-y-auto">
          <div className="flex min-h-full items-end justify-center p-4 text-center sm:items-center sm:p-0">
            <DialogPanel
              transition
              className="relative transform overflow-hidden rounded-lg bg-white px-4 pt-5 pb-4 text-left shadow-xl transition-all data-closed:translate-y-4 data-closed:opacity-0 data-enter:duration-300 data-enter:ease-out data-leave:duration-200 data-leave:ease-in sm:my-8 sm:w-full sm:max-w-lg sm:p-6 data-closed:sm:translate-y-0 data-closed:sm:scale-95 dark:bg-gray-800 dark:outline dark:-outline-offset-1 dark:outline-white/10"
            >
              <div className="absolute top-0 right-0 hidden pt-4 pr-4 sm:block">
                <button
                  type="button"
                  onClick={() => setOpen(false)}
                  className="rounded-md bg-white text-gray-400 hover:text-gray-500 focus:outline-2 focus:outline-offset-2 focus:outline-indigo-600 dark:bg-gray-800 dark:hover:text-gray-300 dark:focus:outline-white"
                >
                  <span className="sr-only">Close</span>
                  <XMarkIcon aria-hidden="true" className="size-6" />
                </button>
              </div>
              <div className="sm:flex sm:items-start">
                <div className="mx-auto flex size-12 shrink-0 items-center justify-center rounded-full bg-red-100 sm:mx-0 sm:size-10 dark:bg-red-500/10">
                  <ExclamationTriangleIcon aria-hidden="true" className="size-6 text-red-600 dark:text-red-400" />
                </div>
                <div className="mt-3 text-center sm:mt-0 sm:ml-4 sm:text-left">
                  <DialogTitle as="h3" className="text-base font-semibold text-gray-900 dark:text-white">
                    Deactivate account
                  </DialogTitle>
                  <div className="mt-2">
                    <p className="text-sm text-gray-500 dark:text-gray-400">
                      Are you sure you want to deactivate your account? All of your data will be permanently removed
                      from our servers forever. This action cannot be undone.
                    </p>
                  </div>
                </div>
              </div>
              <div className="mt-5 sm:mt-4 sm:flex sm:flex-row-reverse">
                <button
                  type="button"
                  onClick={() => setOpen(false)}
                  className="inline-flex w-full justify-center rounded-md bg-red-600 px-3 py-2 text-sm font-semibold text-white shadow-xs hover:bg-red-500 sm:ml-3 sm:w-auto dark:bg-red-500 dark:shadow-none dark:hover:bg-red-400"
                >
                  Deactivate
                </button>
                <button
                  type="button"
                  onClick={() => setOpen(false)}
                  className="mt-3 inline-flex w-full justify-center rounded-md bg-white px-3 py-2 text-sm font-semibold text-gray-900 shadow-xs inset-ring-1 inset-ring-gray-300 hover:bg-gray-50 sm:mt-0 sm:w-auto dark:bg-white/10 dark:text-white dark:shadow-none dark:inset-ring-white/5 dark:hover:bg-white/20"
                >
                  Cancel
                </button>
              </div>
            </DialogPanel>
          </div>
        </div>
      </Dialog>
    </div>
  )
}