#loadingOverlay {
    position: fixed;
    inset: 0; /* shorthand per top/left/right/bottom = 0 */
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

/* spinner */
.spinnerOverlay {
    border: 6px solid #f3f3f3;
    border-top: 6px solid #3498db;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

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

    100% {
        transform: rotate(360deg);
    }
}

#loadingMessage {
    color: #fff;
    font-size: 1.2rem;
    text-align: center;
}

/* Bottone refresh overlay */
.overlay-button {
    display: none; /* nascosto di default */
    margin-top: 15px;
    padding: 8px 16px;
    background-color: #915c2d;
    color: rgb(0, 0, 0)!important;
    border-radius: 4px;
    text-decoration: none;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

    .overlay-button:hover {
        background-color: #9c5d25;
    }