/* Styles pour les messages de feedback */
.message-box {
    padding: 1rem;
    text-align: center;
    font-size: 1.5rem;
    border-radius: 1rem;
    color: white;
    margin-bottom: 1rem;
    opacity: 1;
    transition: opacity 1s ease-out;
}

.message-box.success {
    background-color: #28a745;
}

.message-box.error {
    background-color: #dc3545;
}