/*********************************************************
 * Boutons "Ajouter" (thématique & sous-thématique)
 *********************************************************/
.btn-add-thematique,
.btn-add-subtheme {
  background-color:var(--violet);          
  color: #ffffff;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  padding: 0.6rem 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  text-decoration: none;               
}

.btn-add-thematique:hover,
.btn-add-subtheme:hover {
  background-color:var(--violet);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  color:#ffffff;
}

.btn-add-thematique:active,
.btn-add-subtheme:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Icône SVG dans les boutons */
.btn-add-thematique .icon-img,
.btn-add-subtheme .icon-img {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);      
  transition: transform 0.2s ease;
}

.btn-add-thematique:hover .icon-img,
.btn-add-subtheme:hover .icon-img {
  transform: scale(1.1);
}