/* Style natif pour le spinner Material Design */
.btn-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 1s ease-in-out infinite;
    vertical-align: middle;
    margin-right: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* État désactivé du bouton */
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    box-shadow: none;
}

 .btn{
		 
		 text-align: center  !important;justify-content: center  !important;height: 45px !important;
     }