body {
  font-family: system-ui, sans-serif;
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 1rem;
  line-height: 1.5;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

fieldset {
  border: 1px solid #ccc;
  border-radius: 6px;
}

textarea {
  font-family: monospace;
}

#status {
  font-weight: bold;
}

video {
  max-width: 100%;
  margin-top: 1rem;
  display: block;
}

#results > div {
  margin-top: 1rem;
}

#results a[download] {
  display: inline-block;
  margin-top: 0.25rem;
}

#log {
  white-space: pre-wrap;
  background: #f5f5f5;
  padding: 0.5rem;
  border-radius: 6px;
}