fix: adjust safe zone elevation and transparency sorting priority to prevent it covering tiles or clipping with terrain

scenes/main.gd

@@ -199,8 +199,16 @@ func _setup_effect_elevation():
 			var lift_transform = Transform3D().translated(Vector3(0, 0.08, 0))
 			for id in ml.get_item_list():
 				if id == 4: continue # Skip hidden non-walkable blocks
+				
+				var apply_transform = lift_transform
+				# TILE_SAFE (2) is painted on Layer 2 (Y=0.10). 
+				# We want it below all grid tiles (Layer 0 is at 0.08) but above the terrain (0.06).
+				# We set it to 0.07 by applying a -0.03 offset (0.10 - 0.03 = 0.07).
+				if id == 2:
+					apply_transform = Transform3D().translated(Vector3(0, -0.03, 0))
+					
 				var current_transform = ml.get_item_mesh_transform(id)
-				ml.set_item_mesh_transform(id, lift_transform * current_transform)
+				ml.set_item_mesh_transform(id, apply_transform * current_transform)
 		
 		em.mesh_library = ml