/* 1. Hide the Google container itself if no ad is returned */
ins.adsbygoogle[data-ad-status="unfilled"] {
    display: none !important;
    height: 0 !important;
}

/* 2. Target the block by its ID specifically to collapse the white space */
#block-sidebaradsensedesktoponly ins[data-ad-status="unfilled"] {
    display: none !important;
}

/* 3. A fallback to ensure no height is reserved if the ad fails */
#block-sidebaradsensedesktoponly {
    min-height: 0; 
}