Hi,
After reading your response I went ahead and deleted the entire CSS of my site, just to make sure – And apparently a certain line there was actually the source of the problem:
body > div:nth-child(2) {
display: none !important;
}
I don’t know too much about CSS myself, but I’m guessing the order of the “divisions” changed after updating the theme, which caused the admin bar to be selected and its display state to be changed to ‘none’?
Either way, I’m not the one who originally wrote that line (and I’m not sure if it was added by the person who managed the site before me, or if it was part of the older theme that was explicitly added to the child-theme), so I’m currently looking into that, but at least I know the source of the issue..
Thank you for the support