Fix remaining web study mode artifacts

scripts/ui/main.gd

@@ -193,6 +193,8 @@ func _build_ui() -> void:
 	theme_button.custom_minimum_size = Vector2(44, 44)
 	theme_button.size_flags_horizontal = Control.SIZE_SHRINK_CENTER
 	theme_button.size_flags_vertical = Control.SIZE_SHRINK_CENTER
+	theme_button.alignment = HORIZONTAL_ALIGNMENT_CENTER
+	theme_button.icon_alignment = HORIZONTAL_ALIGNMENT_CENTER
 	theme_button.focus_mode = Control.FOCUS_NONE
 	theme_button.pressed.connect(theme_service.toggle_theme)
 	_style_shell_theme_button(theme_button)
@@ -600,16 +602,19 @@ func _style_shell_theme_button(button: Button) -> void:
 	normal.bg_color = Color("111b30") if dark else Brand.LIGHT_SURFACE
 	normal.border_color = Color("33415d") if dark else Brand.LIGHT_BORDER
 	normal.set_border_width_all(1)
-	normal.set_corner_radius_all(24)
+	normal.set_corner_radius_all(22)
-	normal.content_margin_left = 10
+	normal.content_margin_left = 0
-	normal.content_margin_right = 10
+	normal.content_margin_right = 0
-	normal.content_margin_top = 10
+	normal.content_margin_top = 0
-	normal.content_margin_bottom = 10
+	normal.content_margin_bottom = 0
 	var hover := normal.duplicate() as StyleBoxFlat
 	hover.border_color = Brand.AMBER
+	var focus := StyleBoxEmpty.new()
 	button.add_theme_stylebox_override("normal", normal)
 	button.add_theme_stylebox_override("hover", hover)
 	button.add_theme_stylebox_override("pressed", hover)
+	button.add_theme_stylebox_override("focus", focus)
+	button.add_theme_constant_override("h_separation", 0)
 	button.add_theme_color_override("font_color", Brand.AMBER)
 	button.add_theme_color_override("font_hover_color", Brand.AMBER)
 

scripts/ui/study_selector.gd

@@ -185,7 +185,7 @@ func _build_mode_view() -> void:
 		"Coming Soon",
 		"Coming Soon",
 		"Endless practice with AI-generated questions\ntailored to your performance.",
-		"medmind",
+		"activity",
 		false,
 		Brand.PURPLE)
 
@@ -202,35 +202,6 @@ func _build_mode_view() -> void:
 	ccs_status_label = ccs_card.status
 	ccs_button.pressed.connect(_select_ccs)
 
-	var spacer := Control.new()
-	spacer.size_flags_vertical = Control.SIZE_EXPAND_FILL
-	mode_view.add_child(spacer)
-
-	var simulation_note := HBoxContainer.new()
-	simulation_note.add_theme_constant_override("separation", 8)
-	mode_view.add_child(simulation_note)
-	var info := Label.new()
-	info.text = "i"
-	info.add_theme_font_size_override("font_size", 17)
-	info.add_theme_color_override("font_color", Brand.SLATE)
-	simulation_note.add_child(info)
-	var note := RichTextLabel.new()
-	note.bbcode_enabled = true
-	note.fit_content = true
-	note.scroll_active = false
-	note.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
-	note.size_flags_horizontal = Control.SIZE_EXPAND_FILL
-	note.custom_minimum_size.x = 0
-	note.text = "Full-length, 12-block simulation is available in the [url=exams][color=#7c3aed]Exams[/color][/url] section."
-	note.add_theme_font_override("normal_font", Brand.font)
-	note.add_theme_font_size_override("normal_font_size", 15)
-	note.add_theme_color_override("default_color", Brand.SLATE)
-	note.set_meta("medmind_role", "muted_rich")
-	themed_controls.append(note)
-	note.meta_clicked.connect(func(_meta: Variant): main.show_screen("simulation_history"))
-	simulation_note.add_child(note)
-
-
 func _add_mode_card(
 	title_text: String,
 	subtitle_text: String,
@@ -277,6 +248,7 @@ func _add_mode_card(
 	themed_controls.append(icon_panel)
 	header.add_child(icon_panel)
 	var icon := TextureRect.new()
+	icon.name = "%sIcon" % title_text.replace(" ", "")
 	icon.mouse_filter = Control.MOUSE_FILTER_IGNORE
 	icon.texture = preload("res://assets/branding/medmind-icon.png") if icon_name == "medmind" else load("res://assets/icons/lucide/%s.svg" % icon_name)
 	icon.material = Brand.logo_cutout_material() if icon_name == "medmind" else null

tests/web_responsive_test.gd

@@ -27,6 +27,11 @@ func _run() -> void:
 		_assert(card.custom_minimum_size.x == 0.0, "phone-width cards should release their desktop minimum width")
 	for row in selector.responsive_card_rows:
 		_assert(row.vertical, "phone-width card content should stack instead of clipping")
+	_assert(selector.mode_view.find_children("*", "RichTextLabel", true, false).is_empty(), "study modes should not render the legacy rich-text simulation note")
+	var dynamic_icon := selector.mode_view.find_child("DynamicQuestionsIcon", true, false) as TextureRect
+	_assert(dynamic_icon != null, "dynamic questions should expose its mode icon")
+	if dynamic_icon != null:
+		_assert(dynamic_icon.texture.resource_path == "res://assets/icons/lucide/activity.svg", "dynamic questions should use a web-safe vector icon")
 
 	var main_screen = load("res://scripts/ui/main.gd").new()
 	main_screen.size = host.size
@@ -35,6 +40,7 @@ func _run() -> void:
 	main_screen._update_responsive_layout()
 	_assert(main_screen.theme_button.custom_minimum_size == Vector2(44, 44), "the theme toggle should keep a stable square footprint")
 	_assert(main_screen.theme_button.size.x >= 44.0 and main_screen.theme_button.size.y >= 44.0, "the theme toggle should not collapse into an oval")
+	_assert(main_screen.theme_button.icon_alignment == HORIZONTAL_ALIGNMENT_CENTER, "the theme toggle icon should remain centered")
 	_assert(not main_screen.user_label.visible and not main_screen.account_chevron_button.visible, "nonessential account controls should collapse on phone-width headers")
 
 	host.queue_free()