doctype
html
  head
    title Chat
    style
      |  body { margin: 0; padding-bottom: 3rem; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }

      |  #form { background: rgba(0, 0, 0, 0.15); padding: 0.25rem; position: fixed; bottom: 0; left: 0; right: 0; display: flex; height: 3rem; box-sizing: border-box; backdrop-filter: blur(10px); }
      |  #input { border: none; padding: 0 1rem; flex-grow: 1; border-radius: 2rem; margin: 0.25rem; }
      |  #input:focus { outline: none; }
      |  #form > button { background: #333; border: none; padding: 0 1rem; margin: 0.25rem; border-radius: 3px; outline: none; color: #fff; }

      |  #messages { list-style-type: none; margin: 0; padding: 0; }
      |  #messages > li { padding: 0.5rem 1rem; }
      |  #messages > li:nth-child(odd) { background: #efefef; }
    script(src="/socket.io/socket.io.js")
    script
      | var socket = io()
  body
    ul#messages
    form#form(action="")
      input#input(autocomplete="off")
      button Send

    script(src="./chat.js")