:root {
  color: #172033;
  background: #f4f7fb;
  font-family: system-ui, sans-serif;
}

main {
  max-width: 680px;
  margin: 2rem auto;
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 14px #0001;
}

section {
  margin: 1rem 0;
  padding: 1rem;
  border-top: 1px solid #dde3ed;
}

input,
button {
  margin: 0.25rem;
  padding: 0.55rem;
  font: inherit;
}

button {
  cursor: pointer;
}

#captions {
  min-height: 4rem;
  white-space: pre-wrap;
}

.caption {
  margin: 0.25rem 0;
  padding: 0.4rem;
  background: #eef4ff;
  border-radius: 6px;
}

.final {
  background: #e5f8eb;
}

#error {
  color: #b00020;
}

audio {
  width: 100%;
}