feat: fix gatcha, and login flow connection

scenes/lobby.gd

@@ -29,6 +29,7 @@ extends Control
 @onready var leaderboard_btn = %LeaderboardBtn
 @onready var shop_btn = %CartBtn
 @onready var top_right_profile_btn = %ProfileBtn
+@onready var banner1_btn = %Banner1
 
 # UI References - Room List
 @onready var room_list_panel = $RoomListPanel
@@ -161,6 +162,12 @@ func _ready():
 	# Shop Button
 	if shop_btn:
 		shop_btn.pressed.connect(_on_shop_pressed)
+	
+	# Banner1 → Gacha
+	if banner1_btn:
+		banner1_btn.disabled = false
+		banner1_btn.text = "✨ Gacha"
+		banner1_btn.pressed.connect(_on_banner1_pressed)
 		
 	if leaderboard_btn:
 		leaderboard_btn.pressed.connect(_on_leaderboard_pressed)
@@ -788,6 +795,31 @@ func _on_shop_pressed() -> void:
 		shop.closed.connect(func(): if main_menu_panel: main_menu_panel.show())
 		shop.show_panel()
 
+func _on_banner1_pressed() -> void:
+	var gacha_scene = load("res://scenes/ui/gacha_panel.tscn")
+	if not gacha_scene:
+		connection_status.text = "Gacha panel not found"
+		return
+	var gacha = gacha_scene.instantiate()
+	gacha.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
+	add_child(gacha)
+	if main_menu_panel: main_menu_panel.hide()
+	# GachaPanel emits "closed" from its BackBtn handler
+	if gacha.has_signal("closed"):
+		gacha.closed.connect(func():
+			gacha.queue_free()
+			if main_menu_panel: main_menu_panel.show()
+		)
+	else:
+		# Fallback: listen for BackBtn directly
+		var back = gacha.get_node_or_null("%BackBtn")
+		if back:
+			back.pressed.connect(func():
+				gacha.queue_free()
+				if main_menu_panel: main_menu_panel.show()
+			)
+
+
 func _on_leaderboard_pressed() -> void:
 	if not leaderboard_panel_instance:
 		var leaderboard_panel_scene := load("res://scenes/ui/leaderboard_panel.tscn")

scenes/ui/gacha_panel.tscn

@@ -125,7 +125,7 @@ alignment = 1
 
 [node name="BalanceLbl" type="Label" parent="MainMargin/MainVBox/ContentHBox/LeftPanel/LeftMargin/LeftVBox/BalanceRow"]
 layout_mode = 2
-theme_override_colors/font_color = Color(0.7, 0.7, 0.7)
+theme_override_colors/font_color = Color(0.7, 0.7, 0.7, 1)
 theme_override_font_sizes/font_size = 13
 text = "Balance:"
 
@@ -214,6 +214,7 @@ unique_name_in_owner = true
 layout_mode = 2
 size_flags_horizontal = 3
 size_flags_vertical = 3
+theme_override_colors/default_color = Color(0.35, 0.2, 0.1, 1)
 theme_override_font_sizes/font_size = 13
 text = ""
 fit_content = true