.comm-prefs h2 { font-size: 1.25rem; margin-bottom: 1rem; }
.prefs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 1rem;
}
.category { border-bottom: 1px solid #eaeaea; padding-bottom: 1rem; }
.category h3 { font-size: 1rem; margin-bottom: .5rem; }
.category label {
  display: flex;
  align-items: center;
  font-size: .9rem;
  margin-bottom: 0.7rem;
}
.category input { margin-right: .7rem; }

.save-btn {
  margin-top: 1.5rem;
  padding: .75rem 1.5rem;
  font-size: .95rem;
}