diff --git a/inventory/inventory_backpack/InventoryBackpack.gd b/inventory/inventory_backpack/InventoryBackpack.gd
index 8f091d9..6f22544 100644
--- a/inventory/inventory_backpack/InventoryBackpack.gd
+++ b/inventory/inventory_backpack/InventoryBackpack.gd
@@ -224,12 +224,13 @@ func _on_inventory_changed() -> void:
 	_update_floating_item()
 
 func _gui_input(event: InputEvent) -> void:
-	
+	print("[BACKPACK] _gui_input: %s, state=%s" % [event, State.keys()[_state]])
 	if event is InputEventMouseButton and event.pressed and event.button_index == 1:
-		print("OBTAINED")
 		if _state == State.IDLE:
+			print("[BACKPACK] transitioning to OPEN")
 			transition_to(State.OPEN)
 		elif _state == State.OPEN:
+			print("[BACKPACK] transitioning to IDLE")
 			transition_to(State.IDLE)
 
 func _notification(what: int) -> void:
diff --git a/inventory/inventory_overlay/InventoryOverlay.gd b/inventory/inventory_overlay/InventoryOverlay.gd
index 7199bb3..b2d92a5 100644
--- a/inventory/inventory_overlay/InventoryOverlay.gd
+++ b/inventory/inventory_overlay/InventoryOverlay.gd
@@ -33,6 +33,10 @@ func _ready() -> void:
 	InventoryManager.combination_attempted.connect(_on_combination_attempted)
 
 func show_overlay() -> void:
+	print("[OVERLAY] show_overlay called, inventory has %d items" % InventoryManager.inventory.size())
+
+func hide_overlay() -> void:
+	print("[OVERLAY] hide_overlay called")
 	_refresh_grid()
 	if _fade_tween:
 		_fade_tween.kill()
@@ -95,6 +99,7 @@ func _refresh_grid() -> void:
 	grid.columns = SLOTS_PER_ROW
 
 func _on_slot_clicked(item_id: String) -> void:
+	print("[OVERLAY] _on_slot_clicked: '%s', input_active=%s" % [item_id, input_active])
 	if not input_active:
 		return
 
@@ -179,6 +184,7 @@ func _update_hover_label() -> void:
 		hover_label.text = ""
 
 func _on_background_gui_input(event: InputEvent) -> void:
+	print("[OVERLAY] background clicked")
 	if event is InputEventMouseButton and event.button_index == 1 and event.pressed:
 		hide_overlay()
 		close_requested.emit()
diff --git a/inventory/inventory_overlay/InventorySlot.gd b/inventory/inventory_overlay/InventorySlot.gd
index a6c744f..d3330f9 100644
--- a/inventory/inventory_overlay/InventorySlot.gd
+++ b/inventory/inventory_overlay/InventorySlot.gd
@@ -35,8 +35,10 @@ func set_hover(hovered: bool) -> void:
 			item_box.color = Color(0.8, 0.8, 0.8, 1)
 
 func _gui_input(event: InputEvent) -> void:
+	print("[SLOT:%s] _gui_input: %s" % [item_id, event])
 	if event is InputEventMouseButton:
 		if event.button_index == 1 and event.pressed:
+			print("[SLOT:%s] emitting clicked" % item_id)
 			clicked.emit(item_id)
 		elif event.button_index == 2:
 			right_clicked.emit(item_id)