Another thing when it comes to text, make sure to pick a font available on your computer. The first list shown in the Text Properties dialog are fonts defined in your map, and may include a font you don't have (Click 'More fonts' to access the list of fonts on your computer). If you pick a font you don't have, CC3+ will render a replacement font, usually Arial, which could result in no visible change if the font was already rendering using Arial.

Also, you said you used edit properties to check sheet/layer. Be aware that the values listed here are NOT the current properties of the entity picked, but rather the currently set properties (as seen on the status bar) used when creating new entities. Change Properties/Edit Properties is not a way of checking an entity, you need to use List as Jim said to do that.

Note that lights ends at the FAR SIDE of objects blocking them, this means that the wall around the lighted area will always be lighted. Generally, this makes for much better visuals otherwise you wouldn't be able to see the walls at all which looks weird, but it results in an undesirable effects when your wall si the entire area outside the path, like typically in caves. The way to fix this is to use a set of thin walls on a dedicated light blocker sheet. I usually draw these slightly inside the cave walls, allowing for the light to illuminate the edge of the cave wall. Note that the lighting is also computed on a raster rendering of the map, which means it needs to deal with pixles. This makes very thin lines unsuitable, as light can shine through gaps, so make sure such blocker lines have a certain amount of thickness.

For the map border, just erase and redraw it. The technical map border is just four lines outlining the map on the MAP BORDER layer.

Lovely map. Really like how this turned out. Looking forward to the style.

You're in for a lot of discovery yet :)

You'll find a FAQ entry with a font list on this page. It's missing some of the recent annuals, but it contains most of it.