body{font:16px system-ui,sans-serif;margin:1rem;max-width:42rem}
label{display:block;margin:.4rem 0}
input#token{width:100%;box-sizing:border-box}
.row{display:flex;gap:.5rem;align-items:center}
button{font-size:1rem;padding:.5rem 1rem;margin-right:.5rem}
video{width:48%;background:#222;margin:.25rem}
pre{background:#f4f4f4;padding:.5rem;white-space:pre-wrap}
.note{color:#555}