.preview-notice {
  padding: 16px 24px;
  background: var(--ink);
  color: var(--surface);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.preview-notice span {
  font-size: 0.9rem;
}
.preview-note {
  margin-bottom: 24px;
}
.preview-footer {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 28px;
}
.preview-result {
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
  background: var(--paper);
}
.preview-error {
  color: var(--danger);
  min-height: 1.5em;
}
.preview-form {
  max-width: 560px;
}
.preview-form label {
  display: block;
  margin: 16px 0 6px;
  font-weight: 600;
}
.preview-form input {
  display: block;
}
@media (max-width: 650px) {
  .preview-notice {
    padding: 14px 20px;
  }
  .sidebar nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .sidebar nav button {
    min-width: 0;
  }
  main {
    padding-top: 24px;
  }
}