body {
  font-family: system-ui, sans-serif;
  margin: 0 auto;
  max-width: 64rem;
  padding: 1rem;
  color: #1a1a1a;
  background: #fafafa;
}
h1 {
  font-size: 1.25rem;
}
h2 {
  font-size: 1rem;
}
#status {
  font-weight: 600;
}
#frame-slot iframe {
  width: 100%;
  height: 70vh;
  border: 1px solid #888;
  background: #fff;
}
#log {
  font-family: ui-monospace, monospace;
  font-size: 0.875rem;
  padding-left: 1.5rem;
}