/* 19-reference.css — programming-language reference native view.
   Page-scoped (loaded via {% block extra_head %} in know/reference.html), so it
   ships without a Tailwind rebuild. Only the EN/中文 version-toggle pill lives
   here; everything else reuses the .learn-* classes from 06-landing.css. */

.langref-toggle-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.85rem;
  border-radius: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #94a3b8;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.langref-toggle-btn:hover {
  color: #e2e8f0;
}
.langref-toggle-btn.is-active {
  background: rgba(34, 211, 238, 0.16);
  color: #67e8f9;
  box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.3);
}
.langref-toggle-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.6);
}