.tool-card h2 {
  margin-top: 0;
}

.json-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.json-grid textarea {
  width: 100%;
  min-height: 220px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.muted {
  color: #b91c1c;
  min-height: 18px;
}