Redesign study navigation and light theme

tests/shell_navigation_test.gd

@@ -0,0 +1,24 @@
+extends SceneTree
+
+const NavigationRoutes := preload("res://scripts/ui/navigation_routes.gd")
+
+var failures := 0
+
+
+func _initialize() -> void:
+	_assert(NavigationRoutes.key_for_screen("selection", "exam") == "home", "exam selection should activate Home")
+	_assert(NavigationRoutes.key_for_screen("selection", "step3") == "practice", "Step 3 modes should activate Practice")
+	_assert(NavigationRoutes.key_for_screen("setup") == "practice", "block setup should activate Practice")
+	_assert(NavigationRoutes.key_for_screen("simulation_results") == "exams", "simulation results should activate Exams")
+	_assert(NavigationRoutes.key_for_screen("ccs_review") == "ccs", "CCS review should activate CCS Cases")
+	_assert(NavigationRoutes.key_for_screen("profile") == "performance", "profile should activate Performance")
+	_assert(NavigationRoutes.key_for_screen("map") == "study_plan", "study map should activate Study Plan")
+	_assert(NavigationRoutes.key_for_screen("settings") == "settings", "settings should activate Settings")
+	quit(1 if failures > 0 else 0)
+
+
+func _assert(condition: bool, message: String) -> void:
+	if condition:
+		return
+	failures += 1
+	push_error(message)

tests/shell_navigation_test.gd.uid

@@ -0,0 +1 @@
+uid://d1shellnavigationtest

tests/simulation_history_test.gd

@@ -9,6 +9,10 @@ func _initialize() -> void:
 	_assert(history._action_for_state("block_active") == "resume", "active blocks should resume")
 	_assert(history._action_for_state("between_blocks") == "resume", "between-block simulations should resume")
 	_assert(history._action_for_state("abandoned") == "none", "abandoned simulations should be read-only")
+	_assert(history.has_active_simulation({"hasActiveSimulation": true}, {}), "readiness should identify an active simulation")
+	_assert(history.has_active_simulation({}, {"state": "block_active"}), "a loaded active block should be resumable")
+	_assert(history.has_active_simulation({}, {"state": "between_blocks"}), "a loaded between-block simulation should be resumable")
+	_assert(not history.has_active_simulation({}, {"state": "completed"}), "completed simulations should not appear active")
 	quit(1 if failures > 0 else 0)
 
 

tests/ui_theme_test.gd

@@ -1,6 +1,7 @@
 extends SceneTree
 
 const Style := preload("res://scripts/ui/ui_style.gd")
+const Brand := preload("res://scripts/ui/medmind_style.gd")
 
 var failures := 0
 
@@ -21,6 +22,12 @@ func _initialize() -> void:
 	_assert(root.theme.get_color("default_color", "RichTextLabel").is_equal_approx(Style.TEXT), "rich text should use the light text color")
 	var light_box := panel.get_theme_stylebox("panel") as StyleBoxFlat
 	_assert(light_box.bg_color.is_equal_approx(Color("fffffe")), "custom panel surface should switch to light mode")
+	_assert(Brand.background_color(false).is_equal_approx(Color("f1f5f9")), "MedMind light background should match the style guide")
+	var light_card := Brand.content_card_box(false, true, Brand.ROYAL_BLUE)
+	_assert(light_card.bg_color.is_equal_approx(Color.WHITE), "MedMind light cards should use white surfaces")
+	_assert(light_card.border_color.is_equal_approx(Brand.ROYAL_BLUE), "active light cards should use the primary blue border")
+	var light_field := Brand.field_box(false)
+	_assert(light_field.border_color.is_equal_approx(Brand.LIGHT_BORDER), "light fields should use the semantic cool-gray border")
 
 	Style.set_dark_mode(true)
 	Style.refresh_tree(root, false)