.reference-basic-shell {
  display: grid;
  gap: 1rem;
  max-width: 760px;
  margin: 0 auto;
}

.reference-basic-shell header,
.reference-basic-shell > label,
.reference-basic-shell > textarea,
.reference-basic-shell > pre {
  padding: 1rem;
  border: 1px solid var(--line, #d9d3c8);
  border-radius: 1rem;
  background: var(--surface, #fffdf8);
}

.reference-basic-shell label {
  display: grid;
  gap: .45rem;
  color: var(--muted, #625d55);
}

.reference-basic-shell input,
.reference-basic-shell textarea {
  width: 100%;
  box-sizing: border-box;
  min-height: 2.5rem;
  padding: .55rem .7rem;
  border: 1px solid var(--line, #d9d3c8);
  border-radius: .65rem;
  background: var(--surface, #fffdf8);
  color: inherit;
  font: inherit;
}

.reference-basic-shell textarea {
  min-height: 8rem;
  resize: vertical;
}

.reference-basic-shell pre {
  min-height: 3rem;
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.reference-basic-shell .tool-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  align-items: center;
}

@media (max-width: 600px) {
  .reference-basic-shell .tool-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .reference-basic-shell .tool-toolbar button {
    width: 100%;
  }
}