.now-playing .panel-heading { position: relative; z-index: 2; }

@media (max-width: 570px) {
  #auth-control { font-size: .72rem; padding: .6rem .45rem; }
}

.secondary-controls { margin-top: .6rem; }
.secondary-controls .secondary-button { flex: 1; }
@media (max-width: 900px) {
  .sidebar { min-width: 0; max-width: 100vw; }
  .sidebar nav { min-width: 0; }
  .topbar { flex-wrap: wrap; }
  .top-actions { flex-wrap: wrap; min-width: 0; }
}