improve ui and bug fix

core/game_menu/game_menu.gd

@@ -2,7 +2,7 @@ extends Control
 
 @onready var tabs: Array[GameMenuTab] = [$%Tab1, $%Tab2, $%Tab3]
 @onready var pages: Array[GameMenuPage] = [$%Page1, $%Page2, $%Page3]
-
+var current_index = 0
 
 func _ready() -> void:
 	for tab: GameMenuTab in tabs:
@@ -27,3 +27,7 @@ func on_tab_pressed(index: int, disable_animation: bool = false) -> void:
 				tab.deselect()
 		
 	pages[index].show_page()
+	current_index = index
+
+func open() -> void:
+	pages[current_index].show_page()