/* Forcer l’affichage des boutons FullCalendar */
.fc .fc-toolbar .fc-button { 
  display: inline-block !important;
  visibility: visible !important;
  opacity: 1 !important;
  line-height: 1.4 !important;
  padding: .4em .6em !important;
}
/* Évite qu’un reset “.button” de thème ne casse tout */
.fc .fc-toolbar .fc-button.button { 
  all: unset; 
  display: inline-block !important; 
  cursor: pointer; 
  padding: .4em .6em; 
}