update BG, tile

scenes/main.gd

@@ -61,6 +61,9 @@ func _ready():
 	# Setup global multiplayer spawners (Stands, etc.)
 	_setup_multiplayer_spawners()
 	
+	# Apply Arena Background
+	_apply_arena_background()
+	
 	# HUD Settings connection is now handled internally by TouchControlsManager
 	# which calls _toggle_pause_menu() on this scene.
 		
@@ -86,6 +89,31 @@ func _setup_multiplayer_spawners():
 		stand_spawner.add_spawnable_scene("res://scenes/static_tekton_stand.tscn")
 		add_child(stand_spawner)
 
+func _apply_arena_background():
+	var arena_bg = get_node_or_null("ArenaBG")
+	if not arena_bg:
+		return
+		
+	var selected_area = LobbyManager.get_selected_area()
+	var texture_path = ""
+	
+	match selected_area:
+		"Colloseum":
+			texture_path = "res://assets/graphics/level_bg/level_bg_colloseum.jpg"
+		"Stop N Go Arena":
+			texture_path = "res://assets/graphics/level_bg/placeholder_stop_n_go.jpg"
+		"Tekton Doors Arena":
+			texture_path = "res://assets/graphics/level_bg/placeholder_tekton_doors.jpg"
+		"Classic", _:
+			texture_path = "res://assets/graphics/level_bg/placeholder_classic.jpg"
+			
+	if ResourceLoader.exists(texture_path):
+		var tex = load(texture_path)
+		if tex:
+			arena_bg.texture = tex
+	else:
+		print("Arena bg texture not found: ", texture_path)
+
 @rpc("any_peer", "call_local", "reliable")
 func sync_portal_configs(configs: Array):
 	if portal_mode_manager:
@@ -2082,9 +2110,10 @@ func _on_back_to_menu_pressed():
 	"""Return to lobby/main menu and clean up game state."""
 	print("[Main] Returning to lobby...")
 	
-	# Clean up game state
+	# Proper ordered cleanup to avoid ghost players
 	GameStateManager.end_game()
 	LobbyManager.reset()
+	
 	# Properly disconnect from Nakama match
 	_cleanup_multiplayer()