Fix long answer choice layout

scripts/ui/question_player.gd

@@ -562,7 +562,10 @@ func _ready() -> void:
 
 		var button := Button.new()
 		button.custom_minimum_size = Vector2(0, 68)
+		button.size_flags_horizontal = Control.SIZE_EXPAND_FILL
 		button.alignment = HORIZONTAL_ALIGNMENT_LEFT
+		button.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
+		button.text_overrun_behavior = TextServer.OVERRUN_NO_TRIMMING
 		Style.style_answer_button(button)
 		UISoundService.set_button_sound(button, "select")
 		_set_scaled_button_font(button, 17)
@@ -672,6 +675,7 @@ func _ready() -> void:
 
 	actions = HBoxContainer.new()
 	actions.add_theme_constant_override("separation", 16)
+	actions.size_flags_horizontal = Control.SIZE_EXPAND_FILL
 	card_content.add_child(actions)
 
 	skip_button = Button.new()
@@ -709,6 +713,7 @@ func _ready() -> void:
 	next_button.text = "Submit Block" if BlockSessionService.session_kind == "simulation" and BlockSessionService.current_index + 1 == BlockSessionService.active_questions.size() else "Next" if BlockSessionService.session_kind == "simulation" else "Submit"
 	next_button.tooltip_text = ""
 	next_button.custom_minimum_size = Vector2(140, 48)
+	next_button.size_flags_horizontal = Control.SIZE_SHRINK_END
 	Style.style_primary_button(next_button)
 	next_button.pressed.connect(_submit_or_next)
 	actions.add_child(next_button)

tests/post_answer_review_test.gd

@@ -385,6 +385,7 @@ func _test_timer_text_avoids_redundant_frame_updates() -> void:
 
 func _test_player_runtime_construction() -> void:
 	var host := Control.new()
+	host.size = Vector2(1280, 720)
 	root.add_child(host)
 	var player = load("res://scripts/ui/question_player.gd").new()
 	player.main = host
@@ -416,6 +417,14 @@ func _test_player_runtime_construction() -> void:
 	_assert(player.theme_button.icon in [Brand.SUN_ICON, Brand.MOON_ICON], "question theme toggle should use the shared sun or moon icon")
 	_assert(player.choice_badges.size() == 5, "question player should construct an answer badge for every visible choice slot")
 	_assert(player.choice_followup_panels[2].get_parent() == player.choice_rows[2], "distractor remediation should remain nested inside its answer choice")
+	var long_choice := "Transfer to a neurocritical-care center, use a titratable agent to avoid severe hypertension and blood-pressure variability without causing hypotension, start enteral nimodipine, and secure the aneurysm as early as feasible."
+	player.choice_buttons[0].text = long_choice
+	await process_frame
+	await process_frame
+	_assert(player.choice_buttons[0].autowrap_mode == TextServer.AUTOWRAP_WORD_SMART, "long answer choices should use word-smart wrapping")
+	_assert(player.choice_buttons[0].size.y > 68.0, "a wrapped answer choice should grow taller than the standard answer row")
+	_assert(player.choice_buttons[0].size.x <= player.question_panel.size.x, "long answer choices should not widen the question player")
+	_assert(player.next_button.get_global_rect().end.x <= player.get_global_rect().end.x + 0.5, "long answer choices should never push Submit beyond the viewport")
 	var prior_session_kind: String = root.get_node("BlockSessionService").session_kind
 	for session_kind in ["block", "core", "bookmark", "review", "simulation"]:
 		root.get_node("BlockSessionService").session_kind = session_kind