Fix CCS popup lifecycle and contrast

tests/ccs_player_test.gd

@@ -1,5 +1,7 @@
 extends SceneTree
 
+const Brand := preload("res://scripts/ui/medmind_style.gd")
+
 var failures := 0
 var ccs_service
 
@@ -57,6 +59,13 @@ func _run() -> void:
 	player.size = Vector2(800, 900)
 	player._update_responsive_layout()
 	_assert(player.action_grid.columns == 2, "narrow CCS screens should use a two-column action workspace")
+	_assert(player.intro_dialog.theme != null, "CCS dialogs should receive an explicit readable theme")
+	_assert(player.intro_dialog.theme.get_color("font_color", "Label") == Brand.text_color(player.theme_service.is_dark_mode()), "CCS dialog text should contrast with the active theme")
+	player.time_dialog.popup_centered(Vector2i(600, 350))
+	await process_frame
+	_assert(player.time_dialog.visible, "CCS dialog lifecycle test should begin with an open popup")
+	player.on_hide()
+	_assert(not player.time_dialog.visible, "hiding the CCS screen should dismiss popup windows")
 
 	ccs_service.attempt.state = "final_orders"
 	player._render()