(defcomp
  ()
  (div
    (~tw :tokens "space-y-3")
    (form
      :sx-post "/sx/(geography.(hypermedia.(reference.(api.upload-name))))"
      :sx-encoding "multipart/form-data"
      :sx-target "#ref-encoding-result"
      :sx-swap "innerHTML"
      (~tw :tokens "flex gap-2")
      (input
        :type "file"
        :name "file"
        (~tw :tokens "flex-1 text-sm text-stone-500 file:mr-2 file:px-3 file:py-1 file:rounded file:border-0 file:text-sm file:bg-violet-50 file:text-violet-700"))
      (button
        :type "submit"
        (~tw :tokens "px-4 py-2 bg-violet-600 text-white rounded text-sm hover:bg-violet-700")
        "Upload"))
    (div
      :id "ref-encoding-result"
      (~tw :tokens "p-3 rounded bg-stone-100 text-stone-400 text-sm")
      "Select a file and submit.")))