body { 
    font-family: 'Inter', sans-serif; 
}

#messageModal, #addUserModal { 
    transition: opacity 0.3s ease-in-out; 
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin { 
    0% { transform: rotate(0deg); } 
    100% { transform: rotate(360deg); } 
}

/* Style pour les onglets admin actifs */
.admin-tab.active {
    border-bottom-color: #3b82f6;
    color: #3b82f6;
}