initial commit

scenes/ui/deck_manager/deck_editor.gd

@@ -0,0 +1,106 @@
+extends Panel
+
+signal deck_saved(deck: Deck)
+signal editor_closed()
+
+var current_deck: Deck
+
+@onready var deck_name_edit = $MarginContainer/VBoxContainer/DeckInfoSection/DeckNameEdit
+@onready var deck_desc_edit = $MarginContainer/VBoxContainer/DeckInfoSection/DeckDescEdit
+@onready var color_picker = $MarginContainer/VBoxContainer/DeckInfoSection/ColorPicker
+@onready var cards_list = $MarginContainer/VBoxContainer/CardsSection/ScrollContainer/CardsList
+@onready var save_btn = $MarginContainer/VBoxContainer/ButtonsSection/SaveButton
+@onready var cancel_btn = $MarginContainer/VBoxContainer/ButtonsSection/CancelButton
+@onready var add_card_btn = $MarginContainer/VBoxContainer/CardsSection/AddCardButton
+
+func _ready() -> void:
+	save_btn.pressed.connect(_on_save_pressed)
+	cancel_btn.pressed.connect(_on_cancel_pressed)
+	add_card_btn.pressed.connect(_on_add_card_pressed)
+	hide()
+
+func edit_deck(deck: Deck) -> void:
+	current_deck = deck
+	
+	deck_name_edit.text = deck.name
+	deck_desc_edit.text = deck.description
+	color_picker.color = deck.color_theme
+
+	_refresh_cards_list()
+
+	show()
+
+func _refresh_cards_list() -> void:
+	for child in cards_list.get_children():
+		child.queue_free()
+
+	for i in range(current_deck.cards.size()):
+		var card = current_deck.cards[i]
+		_add_card_ui_entry(card, i)
+
+func _add_card_ui_entry(card: Flashcard, index: int) -> void:
+	var card_panel = PanelContainer.new()
+	var margin = MarginContainer.new()
+	margin.add_theme_constant_override("margin_left", 10)
+	margin.add_theme_constant_override("margin_top", 10)
+	margin.add_theme_constant_override("margin_right", 10)
+	margin.add_theme_constant_override("margin_bottom", 10)
+	card_panel.add_child(margin)
+
+	var vbox = VBoxContainer.new()
+	margin.add_child(vbox)
+
+	var q_hbox = HBoxContainer.new()
+	vbox.add_child(q_hbox)
+	var q_label = Label.new()
+	q_label.text = "Q: "
+	q_hbox.add_child(q_label)
+	var q_edit = LineEdit.new()
+	q_edit.text = card.question_text
+	q_edit.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	q_edit.text_changed.connect(func(new_text): card.question_text = new_text)
+	q_hbox.add_child(q_edit)
+
+	var a_hbox = HBoxContainer.new()
+	vbox.add_child(a_hbox)
+	var a_label = Label.new()
+	a_label.text = "A: "
+	a_hbox.add_child(a_label)
+	var a_edit = LineEdit.new()
+	a_edit.text = card.answer_text
+	a_edit.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	a_edit.text_changed.connect(func(new_text): card.answer_text = new_text)
+	a_hbox.add_child(a_edit)
+
+	var delete_btn = Button.new()
+	delete_btn.text = "Delete"
+	delete_btn.pressed.connect(func(): _on_delete_card_pressed(index))
+	vbox.add_child(delete_btn)
+
+	cards_list.add_child(card_panel)
+
+func _on_add_card_pressed() -> void:
+	var new_card = Flashcard.new()
+	new_card.question_text = "New Question"
+	new_card.answer_text = "New Answer"
+	current_deck.add_card(new_card)
+	_refresh_cards_list()
+
+func _on_delete_card_pressed(index: int) -> void:
+	if index >= 0 and index < current_deck.cards.size():
+		current_deck.cards.remove_at(index)
+		_refresh_cards_list()
+
+func _on_save_pressed() -> void:
+	current_deck.name = deck_name_edit.text
+	current_deck.description = deck_desc_edit.text
+	current_deck.color_theme = color_picker.color
+
+	DataManager.save_deck(current_deck)
+
+	deck_saved.emit(current_deck)
+	hide()
+
+func _on_cancel_pressed() -> void:
+	editor_closed.emit()
+	hide()

scenes/ui/deck_manager/deck_editor.gd.uid

@@ -0,0 +1 @@
+uid://caqx35wgjp2v0

scenes/ui/deck_manager/deck_editor.tscn

@@ -0,0 +1,100 @@
+[gd_scene load_steps=2 format=3 uid="uid://c4p1nfvj0oy7k"]
+
+[ext_resource type="Script" path="res://scenes/ui/deck_manager/deck_editor.gd" id="1_b0nwp"]
+
+[node name="DeckEditor" type="Panel"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_b0nwp")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/margin_left = 60
+theme_override_constants/margin_top = 60
+theme_override_constants/margin_right = 60
+theme_override_constants/margin_bottom = 60
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+theme_override_constants/separation = 20
+
+[node name="Title" type="Label" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 32
+text = "Edit Deck"
+horizontal_alignment = 1
+
+[node name="DeckInfoSection" type="VBoxContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_constants/separation = 10
+
+[node name="NameLabel" type="Label" parent="MarginContainer/VBoxContainer/DeckInfoSection"]
+layout_mode = 2
+text = "Deck Name:"
+
+[node name="DeckNameEdit" type="LineEdit" parent="MarginContainer/VBoxContainer/DeckInfoSection"]
+layout_mode = 2
+placeholder_text = "Enter deck name"
+
+[node name="DescLabel" type="Label" parent="MarginContainer/VBoxContainer/DeckInfoSection"]
+layout_mode = 2
+text = "Description:"
+
+[node name="DeckDescEdit" type="TextEdit" parent="MarginContainer/VBoxContainer/DeckInfoSection"]
+custom_minimum_size = Vector2(0, 60)
+layout_mode = 2
+placeholder_text = "Enter deck description"
+
+[node name="ColorLabel" type="Label" parent="MarginContainer/VBoxContainer/DeckInfoSection"]
+layout_mode = 2
+text = "Deck Color:"
+
+[node name="ColorPicker" type="ColorPickerButton" parent="MarginContainer/VBoxContainer/DeckInfoSection"]
+layout_mode = 2
+
+[node name="CardsSection" type="VBoxContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+theme_override_constants/separation = 10
+
+[node name="CardsLabel" type="Label" parent="MarginContainer/VBoxContainer/CardsSection"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 20
+text = "Cards:"
+
+[node name="ScrollContainer" type="ScrollContainer" parent="MarginContainer/VBoxContainer/CardsSection"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="CardsList" type="VBoxContainer" parent="MarginContainer/VBoxContainer/CardsSection/ScrollContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_constants/separation = 10
+
+[node name="AddCardButton" type="Button" parent="MarginContainer/VBoxContainer/CardsSection"]
+custom_minimum_size = Vector2(0, 40)
+layout_mode = 2
+text = "+ Add Card"
+
+[node name="ButtonsSection" type="HBoxContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_constants/separation = 20
+alignment = 1
+
+[node name="CancelButton" type="Button" parent="MarginContainer/VBoxContainer/ButtonsSection"]
+custom_minimum_size = Vector2(150, 50)
+layout_mode = 2
+text = "Cancel"
+
+[node name="SaveButton" type="Button" parent="MarginContainer/VBoxContainer/ButtonsSection"]
+custom_minimum_size = Vector2(150, 50)
+layout_mode = 2
+text = "Save Deck"

scenes/ui/deck_manager/deck_list_item.gd

@@ -0,0 +1,45 @@
+extends PanelContainer
+
+signal study_requested(deck: Deck)
+signal edit_requested(deck: Deck)
+signal delete_requested(deck: Deck)
+
+var deck: Deck
+
+@onready var deck_name_label = $MarginContainer/HBoxContainer/VBoxContainer/DeckName
+@onready var deck_info_label = $MarginContainer/HBoxContainer/VBoxContainer/DeckInfo
+@onready var color_indicator = $MarginContainer/HBoxContainer/ColorIndicator
+@onready var study_btn = $MarginContainer/HBoxContainer/Actions/StudyButton
+@onready var edit_btn = $MarginContainer/HBoxContainer/Actions/EditButton
+@onready var delete_btn = $MarginContainer/HBoxContainer/Actions/DeleteButton
+
+func _ready() -> void:
+	study_btn.pressed.connect(_on_study_pressed)
+	edit_btn.pressed.connect(_on_edit_pressed)
+	delete_btn.pressed.connect(_on_delete_pressed)
+
+func set_deck(p_deck: Deck) -> void:
+	deck = p_deck
+
+	if deck:
+		deck_name_label.text = deck.name
+		deck_info_label.text = "%d cards" % deck.get_card_count()
+		color_indicator.color = deck.color_theme
+
+		var progress = DataManager.get_progress(deck.id)
+		if progress:
+			deck_info_label.text += " • %.1f%% accuracy" % progress.get_accuracy()
+
+func _on_study_pressed() -> void:
+	if deck and deck.get_card_count() > 0:
+		study_requested.emit(deck)
+	else:
+		push_warning("Cannot study empty deck")
+
+func _on_edit_pressed() -> void:
+	if deck:
+		edit_requested.emit(deck)
+
+func _on_delete_pressed() -> void:
+	if deck:
+		delete_requested.emit(deck)

scenes/ui/deck_manager/deck_list_item.gd.uid

@@ -0,0 +1 @@
+uid://uu8j34y86hs3

scenes/ui/deck_manager/deck_list_item.tscn

@@ -0,0 +1,56 @@
+[gd_scene load_steps=2 format=3 uid="uid://clrpqfuax7qhv"]
+
+[ext_resource type="Script" path="res://scenes/ui/deck_manager/deck_list_item.gd" id="1_qp4wn"]
+
+[node name="DeckListItem" type="PanelContainer"]
+custom_minimum_size = Vector2(0, 80)
+script = ExtResource("1_qp4wn")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 2
+theme_override_constants/margin_left = 10
+theme_override_constants/margin_top = 10
+theme_override_constants/margin_right = 10
+theme_override_constants/margin_bottom = 10
+
+[node name="HBoxContainer" type="HBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+
+[node name="ColorIndicator" type="ColorRect" parent="MarginContainer/HBoxContainer"]
+custom_minimum_size = Vector2(8, 0)
+layout_mode = 2
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_constants/separation = 5
+
+[node name="DeckName" type="Label" parent="MarginContainer/HBoxContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 20
+text = "Deck Name"
+
+[node name="DeckInfo" type="Label" parent="MarginContainer/HBoxContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_colors/font_color = Color(0.7, 0.7, 0.7, 1)
+theme_override_font_sizes/font_size = 14
+text = "0 cards"
+
+[node name="Actions" type="HBoxContainer" parent="MarginContainer/HBoxContainer"]
+layout_mode = 2
+theme_override_constants/separation = 10
+
+[node name="StudyButton" type="Button" parent="MarginContainer/HBoxContainer/Actions"]
+custom_minimum_size = Vector2(100, 0)
+layout_mode = 2
+text = "Study"
+
+[node name="EditButton" type="Button" parent="MarginContainer/HBoxContainer/Actions"]
+custom_minimum_size = Vector2(100, 0)
+layout_mode = 2
+text = "Edit"
+
+[node name="DeleteButton" type="Button" parent="MarginContainer/HBoxContainer/Actions"]
+custom_minimum_size = Vector2(100, 0)
+layout_mode = 2
+text = "Delete"

scenes/ui/deck_manager/deck_manager.gd

@@ -0,0 +1,89 @@
+extends Control
+
+const DeckListItemScene = preload("res://scenes/ui/deck_manager/deck_list_item.tscn")
+
+@onready var back_btn = $MarginContainer/VBoxContainer/Header/BackButton
+@onready var browse_online_btn = $MarginContainer/VBoxContainer/Header/BrowseOnlineButton
+@onready var create_deck_btn = $MarginContainer/VBoxContainer/Header/CreateDeckButton
+@onready var deck_list_container = $MarginContainer/VBoxContainer/ScrollContainer/DeckListContainer
+@onready var modal_overlay = $ModalOverlay
+@onready var deck_editor = $DeckEditor
+@onready var online_browser = $OnlineDeckBrowser
+
+func _ready() -> void:
+	back_btn.pressed.connect(_on_back_pressed)
+	browse_online_btn.pressed.connect(_on_browse_online_pressed)
+	create_deck_btn.pressed.connect(_on_create_deck_pressed)
+
+	DataManager.decks_loaded.connect(_refresh_deck_list)
+	DataManager.deck_saved.connect(_on_deck_saved)
+	DataManager.deck_deleted.connect(_on_deck_deleted)
+
+	deck_editor.deck_saved.connect(_on_editor_deck_saved)
+	deck_editor.editor_closed.connect(_on_editor_closed)
+
+	online_browser.browser_closed.connect(_on_browser_closed)
+
+	_refresh_deck_list()
+
+func _refresh_deck_list() -> void:
+	for child in deck_list_container.get_children():
+		child.queue_free()
+
+	for deck in DataManager.decks:
+		var item = DeckListItemScene.instantiate()
+		deck_list_container.add_child(item)
+		item.set_deck(deck)
+
+		item.study_requested.connect(_on_study_deck)
+		item.edit_requested.connect(_on_edit_deck)
+		item.delete_requested.connect(_on_delete_deck)
+
+	print("Refreshed deck list with %d deck(s)" % DataManager.decks.size())
+
+func _on_back_pressed() -> void:
+	GameManager.return_to_main_menu()
+
+func _on_create_deck_pressed() -> void:
+	var new_deck = Deck.new()
+	new_deck.name = "New Deck"
+	new_deck.description = "A new flashcard deck"
+
+	var sample_card = Flashcard.new()
+	sample_card.question_text = "Sample Question"
+	sample_card.answer_text = "Sample Answer"
+	new_deck.add_card(sample_card)
+	
+	DataManager.save_deck(new_deck)
+
+func _on_study_deck(deck: Deck) -> void:
+	GameManager.start_quiz(deck)
+
+func _on_edit_deck(deck: Deck) -> void:
+	modal_overlay.show()
+	deck_editor.edit_deck(deck)
+
+func _on_delete_deck(deck: Deck) -> void:
+	print("Deleting deck: " + deck.name)
+	DataManager.delete_deck(deck.id)
+
+func _on_deck_saved(deck: Deck) -> void:
+	_refresh_deck_list()
+
+func _on_deck_deleted(deck_id: String) -> void:
+	_refresh_deck_list()
+
+func _on_editor_deck_saved(deck: Deck) -> void:
+	_refresh_deck_list()
+
+func _on_editor_closed() -> void:
+	modal_overlay.hide()
+
+func _on_browse_online_pressed() -> void:
+	modal_overlay.show()
+	online_browser.open_browser()
+
+func _on_browser_closed() -> void:
+	modal_overlay.hide()
+	# Refresh the deck list in case new decks were downloaded
+	_refresh_deck_list()

scenes/ui/deck_manager/deck_manager.gd.uid

@@ -0,0 +1 @@
+uid://becqmtpte7ysr

scenes/ui/deck_manager/deck_manager.tscn

@@ -0,0 +1,84 @@
+[gd_scene load_steps=4 format=3 uid="uid://bpd7dt0cpoh1m"]
+
+[ext_resource type="Script" uid="uid://becqmtpte7ysr" path="res://scenes/ui/deck_manager/deck_manager.gd" id="1_jh7lm"]
+[ext_resource type="PackedScene" path="res://scenes/ui/deck_manager/deck_editor.tscn" id="2_deck_editor"]
+[ext_resource type="PackedScene" uid="uid://chj1kxack8ean" path="res://scenes/ui/deck_manager/online_deck_browser.tscn" id="3_online_browser"]
+
+[node name="DeckManager" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_jh7lm")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/margin_left = 40
+theme_override_constants/margin_top = 40
+theme_override_constants/margin_right = 40
+theme_override_constants/margin_bottom = 40
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+theme_override_constants/separation = 20
+
+[node name="Header" type="HBoxContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="BackButton" type="Button" parent="MarginContainer/VBoxContainer/Header"]
+custom_minimum_size = Vector2(100, 50)
+layout_mode = 2
+text = "← Back"
+
+[node name="Title" type="Label" parent="MarginContainer/VBoxContainer/Header"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_font_sizes/font_size = 32
+text = "Deck Manager"
+horizontal_alignment = 1
+vertical_alignment = 1
+
+[node name="BrowseOnlineButton" type="Button" parent="MarginContainer/VBoxContainer/Header"]
+custom_minimum_size = Vector2(150, 50)
+layout_mode = 2
+text = "🌐 Browse Online"
+
+[node name="CreateDeckButton" type="Button" parent="MarginContainer/VBoxContainer/Header"]
+custom_minimum_size = Vector2(150, 50)
+layout_mode = 2
+text = "+ New Deck"
+
+[node name="ScrollContainer" type="ScrollContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="DeckListContainer" type="VBoxContainer" parent="MarginContainer/VBoxContainer/ScrollContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+size_flags_vertical = 3
+theme_override_constants/separation = 10
+
+[node name="ModalOverlay" type="ColorRect" parent="."]
+visible = false
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+color = Color(0, 0, 0, 0.9411765)
+
+[node name="DeckEditor" parent="." instance=ExtResource("2_deck_editor")]
+visible = false
+layout_mode = 1
+
+[node name="OnlineDeckBrowser" parent="." instance=ExtResource("3_online_browser")]
+visible = false
+layout_mode = 1

scenes/ui/deck_manager/online_deck_browser.gd

@@ -0,0 +1,133 @@
+extends Panel
+
+signal browser_closed()
+
+const API_BASE_URL = "http://localhost:8080"
+
+@onready var close_btn = $MarginContainer/VBoxContainer/Header/CloseButton
+@onready var refresh_btn = $MarginContainer/VBoxContainer/Header/RefreshButton
+@onready var status_label = $MarginContainer/VBoxContainer/StatusLabel
+@onready var decks_container = $MarginContainer/VBoxContainer/ScrollContainer/DecksContainer
+
+var http_request: HTTPRequest
+
+func _ready() -> void:
+	close_btn.pressed.connect(_on_close_pressed)
+	refresh_btn.pressed.connect(_on_refresh_pressed)
+	hide()
+
+func open_browser() -> void:
+	show()
+	_load_online_decks()
+
+func _load_online_decks() -> void:
+	status_label.text = "Loading decks from API..."
+	_clear_deck_list()
+
+	if http_request:
+		http_request.queue_free()
+
+	http_request = HTTPRequest.new()
+	add_child(http_request)
+	http_request.request_completed.connect(_on_decks_loaded)
+
+	var error = http_request.request(API_BASE_URL + "/decks")
+	if error != OK:
+		status_label.text = "Error: Failed to connect to API server"
+		print("HTTP request error: ", error)
+
+func _on_decks_loaded(result: int, response_code: int, headers: PackedStringArray, body: PackedByteArray) -> void:
+	if result != HTTPRequest.RESULT_SUCCESS:
+		status_label.text = "Error: Failed to load decks"
+		return
+
+	if response_code != 200:
+		status_label.text = "Error: API returned code " + str(response_code)
+		return
+
+	var json_string = body.get_string_from_utf8()
+	var json = JSON.new()
+	var parse_error = json.parse(json_string)
+
+	if parse_error != OK:
+		status_label.text = "Error: Failed to parse response"
+		return
+
+	var decks_list = json.data
+	if decks_list.is_empty():
+		status_label.text = "No decks available on server"
+		return
+
+	status_label.text = "Found %d deck(s) online" % decks_list.size()
+	_display_decks(decks_list)
+
+func _display_decks(decks_list: Array) -> void:
+	_clear_deck_list()
+
+	for deck_data in decks_list:
+		var deck_info = deck_data.get("deck", {})
+		var metadata = deck_info.get("metadata", {})
+		var author_info = deck_info.get("author", {})
+
+		var deck_item = PanelContainer.new()
+		var margin = MarginContainer.new()
+		margin.add_theme_constant_override("margin_left", 15)
+		margin.add_theme_constant_override("margin_top", 15)
+		margin.add_theme_constant_override("margin_right", 15)
+		margin.add_theme_constant_override("margin_bottom", 15)
+		deck_item.add_child(margin)
+
+		var vbox = VBoxContainer.new()
+		margin.add_child(vbox)
+
+		var name_label = Label.new()
+		name_label.text = deck_info.get("name", "Unknown Deck")
+		name_label.add_theme_font_size_override("font_size", 20)
+		vbox.add_child(name_label)
+
+		var desc_label = Label.new()
+		desc_label.text = deck_info.get("description", "")
+		desc_label.add_theme_color_override("font_color", Color(0.7, 0.7, 0.7))
+		vbox.add_child(desc_label)
+
+		var cards_count = deck_info.get("cards", []).size()
+		var rating = metadata.get("rating", 0.0)
+		var downloads = metadata.get("download_count", 0)
+		var author_name = author_info.get("name", "N/A")
+		
+		var meta_label = Label.new()
+		meta_label.text = "%d cards • ⭐ %.1f • %d downloads 🧑 %s" % [cards_count, rating, downloads, author_name]
+		meta_label.add_theme_color_override("font_color", Color(0.6, 0.6, 0.6))
+		meta_label.add_theme_font_size_override("font_size", 14)
+		vbox.add_child(meta_label)
+
+		var download_btn = Button.new()
+		download_btn.text = "Download Deck"
+		download_btn.custom_minimum_size = Vector2(150, 40)
+		download_btn.pressed.connect(_on_download_deck.bind(deck_info.get("id", "")))
+		vbox.add_child(download_btn)
+
+		decks_container.add_child(deck_item)
+
+func _on_download_deck(deck_id: String) -> void:
+	if deck_id == "":
+		return
+
+	status_label.text = "Downloading deck..."
+	print("Downloading deck: " + deck_id)
+
+	DataManager.download_deck_from_api(API_BASE_URL + "/decks/" + deck_id)
+
+	await get_tree().create_timer(1.0).timeout
+	status_label.text = "Deck downloaded! Check your deck list."
+
+func _clear_deck_list() -> void:
+	for child in decks_container.get_children():
+		child.queue_free()
+
+func _on_refresh_pressed() -> void:
+	_load_online_decks()
+
+func _on_close_pressed() -> void:
+	browser_closed.emit()
+	hide()

scenes/ui/deck_manager/online_deck_browser.gd.uid

@@ -0,0 +1 @@
+uid://b1tcvxtd8urjl

scenes/ui/deck_manager/online_deck_browser.tscn

@@ -0,0 +1,62 @@
+[gd_scene load_steps=2 format=3 uid="uid://chj1kxack8ean"]
+
+[ext_resource type="Script" uid="uid://b1tcvxtd8urjl" path="res://scenes/ui/deck_manager/online_deck_browser.gd" id="1_online"]
+
+[node name="OnlineDeckBrowser" type="Panel"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_online")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/margin_left = 60
+theme_override_constants/margin_top = 60
+theme_override_constants/margin_right = 60
+theme_override_constants/margin_bottom = 60
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+theme_override_constants/separation = 20
+
+[node name="Header" type="HBoxContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="Title" type="Label" parent="MarginContainer/VBoxContainer/Header"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_font_sizes/font_size = 32
+text = "Browse Online Decks"
+horizontal_alignment = 1
+
+[node name="RefreshButton" type="Button" parent="MarginContainer/VBoxContainer/Header"]
+custom_minimum_size = Vector2(120, 50)
+layout_mode = 2
+text = "🔄 Refresh"
+
+[node name="CloseButton" type="Button" parent="MarginContainer/VBoxContainer/Header"]
+custom_minimum_size = Vector2(100, 50)
+layout_mode = 2
+text = "Close"
+
+[node name="StatusLabel" type="Label" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 16
+text = "Loading..."
+horizontal_alignment = 1
+
+[node name="ScrollContainer" type="ScrollContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="DecksContainer" type="VBoxContainer" parent="MarginContainer/VBoxContainer/ScrollContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_constants/separation = 15

scenes/ui/main_menu/main_menu.gd

@@ -0,0 +1,19 @@
+extends Control
+
+@onready var manage_decks_btn = $MarginContainer/VBoxContainer/MenuButtons/ManageDecksButton
+@onready var view_progress_btn = $MarginContainer/VBoxContainer/MenuButtons/ViewProgressButton
+@onready var quit_btn = $MarginContainer/VBoxContainer/MenuButtons/QuitButton
+
+func _ready() -> void:
+	manage_decks_btn.pressed.connect(_on_manage_decks_pressed)
+	view_progress_btn.pressed.connect(_on_view_progress_pressed)
+	quit_btn.pressed.connect(_on_quit_pressed)
+
+func _on_manage_decks_pressed() -> void:
+	GameManager.open_deck_manager()
+
+func _on_view_progress_pressed() -> void:
+	print("View progress - not implemented yet")
+
+func _on_quit_pressed() -> void:
+	get_tree().quit()

scenes/ui/main_menu/main_menu.gd.uid

@@ -0,0 +1 @@
+uid://u6qhaped7c3i

scenes/ui/main_menu/main_menu.tscn

@@ -0,0 +1,60 @@
+[gd_scene load_steps=2 format=3 uid="uid://c0ka24qxbge17"]
+
+[ext_resource type="Script" uid="uid://u6qhaped7c3i" path="res://scenes/ui/main_menu/main_menu.gd" id="1_pxqwl"]
+
+[node name="MainMenu" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_pxqwl")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/margin_left = 40
+theme_override_constants/margin_top = 40
+theme_override_constants/margin_right = 40
+theme_override_constants/margin_bottom = 40
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+
+[node name="Title" type="Label" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 48
+text = "Flashcard Thing"
+horizontal_alignment = 1
+
+[node name="Spacer" type="Control" parent="MarginContainer/VBoxContainer"]
+custom_minimum_size = Vector2(0, 60)
+layout_mode = 2
+
+[node name="MenuButtons" type="VBoxContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 4
+theme_override_constants/separation = 15
+
+[node name="ManageDecksButton" type="Button" parent="MarginContainer/VBoxContainer/MenuButtons"]
+custom_minimum_size = Vector2(300, 60)
+layout_mode = 2
+theme_override_font_sizes/font_size = 24
+text = "Manage Decks"
+
+[node name="ViewProgressButton" type="Button" parent="MarginContainer/VBoxContainer/MenuButtons"]
+custom_minimum_size = Vector2(300, 60)
+layout_mode = 2
+theme_override_font_sizes/font_size = 24
+text = "View Progress"
+
+[node name="QuitButton" type="Button" parent="MarginContainer/VBoxContainer/MenuButtons"]
+custom_minimum_size = Vector2(300, 60)
+layout_mode = 2
+theme_override_font_sizes/font_size = 24
+text = "Quit"

scenes/ui/quiz_mode/flashcard_display.gd

@@ -0,0 +1,48 @@
+extends PanelContainer
+
+signal answer_submitted(is_correct: bool)
+
+@onready var question_label = $MarginContainer/VBoxContainer/QuestionPanel/MarginContainer/QuestionLabel
+@onready var answer_panel = $MarginContainer/VBoxContainer/AnswerPanel
+@onready var answer_label = $MarginContainer/VBoxContainer/AnswerPanel/MarginContainer/AnswerLabel
+@onready var show_answer_btn = $MarginContainer/VBoxContainer/Controls/ShowAnswerButton
+@onready var rating_buttons = $MarginContainer/VBoxContainer/Controls/RatingButtons
+@onready var incorrect_btn = $MarginContainer/VBoxContainer/Controls/RatingButtons/IncorrectButton
+@onready var correct_btn = $MarginContainer/VBoxContainer/Controls/RatingButtons/CorrectButton
+
+var current_card: Flashcard
+var answer_revealed: bool = false
+
+func _ready() -> void:
+	show_answer_btn.pressed.connect(_on_show_answer_pressed)
+	incorrect_btn.pressed.connect(_on_incorrect_pressed)
+	correct_btn.pressed.connect(_on_correct_pressed)
+
+	answer_panel.hide()
+	rating_buttons.hide()
+
+func set_card(card: Flashcard) -> void:
+	current_card = card
+	answer_revealed = false
+
+	question_label.text = card.question_text
+	question_label.modulate = card.question_color
+
+	answer_label.text = card.answer_text
+	answer_label.modulate = card.answer_color
+
+	answer_panel.hide()
+	rating_buttons.hide()
+	show_answer_btn.show()
+
+func _on_show_answer_pressed() -> void:
+	answer_revealed = true
+	answer_panel.show()
+	show_answer_btn.hide()
+	rating_buttons.show()
+
+func _on_incorrect_pressed() -> void:
+	answer_submitted.emit(false)
+
+func _on_correct_pressed() -> void:
+	answer_submitted.emit(true)

scenes/ui/quiz_mode/flashcard_display.gd.uid

@@ -0,0 +1 @@
+uid://lobty8kshx4c

scenes/ui/quiz_mode/flashcard_display.tscn

@@ -0,0 +1,83 @@
+[gd_scene load_steps=2 format=3 uid="uid://b4nnkfplcdxkp"]
+
+[ext_resource type="Script" path="res://scenes/ui/quiz_mode/flashcard_display.gd" id="1_8xp2n"]
+
+[node name="FlashcardDisplay" type="PanelContainer"]
+custom_minimum_size = Vector2(600, 400)
+script = ExtResource("1_8xp2n")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 2
+theme_override_constants/margin_left = 30
+theme_override_constants/margin_top = 30
+theme_override_constants/margin_right = 30
+theme_override_constants/margin_bottom = 30
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+theme_override_constants/separation = 20
+
+[node name="QuestionPanel" type="PanelContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="MarginContainer" type="MarginContainer" parent="MarginContainer/VBoxContainer/QuestionPanel"]
+layout_mode = 2
+theme_override_constants/margin_left = 20
+theme_override_constants/margin_top = 20
+theme_override_constants/margin_right = 20
+theme_override_constants/margin_bottom = 20
+
+[node name="QuestionLabel" type="Label" parent="MarginContainer/VBoxContainer/QuestionPanel/MarginContainer"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 24
+text = "Question goes here"
+horizontal_alignment = 1
+vertical_alignment = 1
+autowrap_mode = 3
+
+[node name="AnswerPanel" type="PanelContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="MarginContainer" type="MarginContainer" parent="MarginContainer/VBoxContainer/AnswerPanel"]
+layout_mode = 2
+theme_override_constants/margin_left = 20
+theme_override_constants/margin_top = 20
+theme_override_constants/margin_right = 20
+theme_override_constants/margin_bottom = 20
+
+[node name="AnswerLabel" type="Label" parent="MarginContainer/VBoxContainer/AnswerPanel/MarginContainer"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 24
+text = "Answer goes here"
+horizontal_alignment = 1
+vertical_alignment = 1
+autowrap_mode = 3
+
+[node name="Controls" type="VBoxContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_constants/separation = 10
+
+[node name="ShowAnswerButton" type="Button" parent="MarginContainer/VBoxContainer/Controls"]
+custom_minimum_size = Vector2(0, 50)
+layout_mode = 2
+theme_override_font_sizes/font_size = 20
+text = "Show Answer"
+
+[node name="RatingButtons" type="HBoxContainer" parent="MarginContainer/VBoxContainer/Controls"]
+layout_mode = 2
+theme_override_constants/separation = 20
+alignment = 1
+
+[node name="IncorrectButton" type="Button" parent="MarginContainer/VBoxContainer/Controls/RatingButtons"]
+custom_minimum_size = Vector2(200, 50)
+layout_mode = 2
+theme_override_font_sizes/font_size = 18
+text = "❌ Incorrect"
+
+[node name="CorrectButton" type="Button" parent="MarginContainer/VBoxContainer/Controls/RatingButtons"]
+custom_minimum_size = Vector2(200, 50)
+layout_mode = 2
+theme_override_font_sizes/font_size = 18
+text = "✓ Correct"

scenes/ui/quiz_mode/multiple_choice_display.gd

@@ -0,0 +1,67 @@
+extends PanelContainer
+
+signal answer_submitted(is_correct: bool)
+
+@onready var question_label = $MarginContainer/VBoxContainer/QuestionPanel/MarginContainer/QuestionLabel
+@onready var choices_container = $MarginContainer/VBoxContainer/ChoicesContainer
+@onready var feedback_panel = $MarginContainer/VBoxContainer/FeedbackPanel
+@onready var feedback_label = $MarginContainer/VBoxContainer/FeedbackPanel/MarginContainer/FeedbackLabel
+
+var current_card: Flashcard
+var choice_buttons: Array[Button] = []
+var answered: bool = false
+
+func _ready() -> void:
+	feedback_panel.hide()
+
+func set_card(card: Flashcard) -> void:
+	current_card = card
+	answered = false
+
+	question_label.text = card.question_text
+	question_label.modulate = card.question_color
+
+	for button in choice_buttons:
+		button.queue_free()
+	choice_buttons.clear()
+
+	for i in range(card.choices.size()):
+		var choice = card.choices[i]
+		var button = Button.new()
+		button.text = choice.text
+		button.custom_minimum_size = Vector2(0, 50)
+		button.add_theme_font_size_override("font_size", 18)
+		button.pressed.connect(_on_choice_selected.bind(i))
+		choices_container.add_child(button)
+		choice_buttons.append(button)
+
+	feedback_panel.hide()
+
+func _on_choice_selected(choice_index: int) -> void:
+	if answered:
+		return
+
+	answered = true
+	var is_correct = current_card.choices[choice_index].is_correct
+
+	for button in choice_buttons:
+		button.disabled = true
+
+	if is_correct:
+		choice_buttons[choice_index].modulate = Color.GREEN
+		feedback_label.text = "✓ Correct! " + current_card.answer_text
+		feedback_panel.self_modulate = Color(0.2, 0.6, 0.2, 1.0)
+	else:
+		choice_buttons[choice_index].modulate = Color.RED
+
+		var correct_index = current_card.get_correct_choice_index()
+		if correct_index >= 0:
+			choice_buttons[correct_index].modulate = Color.GREEN
+
+		feedback_label.text = "❌ Incorrect. The answer is: " + current_card.answer_text
+		feedback_panel.self_modulate = Color(0.6, 0.2, 0.2, 1.0)
+
+	feedback_panel.show()
+
+	await get_tree().create_timer(2.0).timeout
+	answer_submitted.emit(is_correct)

scenes/ui/quiz_mode/multiple_choice_display.gd.uid

@@ -0,0 +1 @@
+uid://2cccr5qtjk2c

scenes/ui/quiz_mode/multiple_choice_display.tscn

@@ -0,0 +1,58 @@
+[gd_scene load_steps=2 format=3 uid="uid://b0qexkdgxksek"]
+
+[ext_resource type="Script" path="res://scenes/ui/quiz_mode/multiple_choice_display.gd" id="1_a2ghr"]
+
+[node name="MultipleChoiceDisplay" type="PanelContainer"]
+custom_minimum_size = Vector2(600, 400)
+script = ExtResource("1_a2ghr")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 2
+theme_override_constants/margin_left = 30
+theme_override_constants/margin_top = 30
+theme_override_constants/margin_right = 30
+theme_override_constants/margin_bottom = 30
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+theme_override_constants/separation = 20
+
+[node name="QuestionPanel" type="PanelContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="MarginContainer/VBoxContainer/QuestionPanel"]
+layout_mode = 2
+theme_override_constants/margin_left = 20
+theme_override_constants/margin_top = 20
+theme_override_constants/margin_right = 20
+theme_override_constants/margin_bottom = 20
+
+[node name="QuestionLabel" type="Label" parent="MarginContainer/VBoxContainer/QuestionPanel/MarginContainer"]
+custom_minimum_size = Vector2(0, 80)
+layout_mode = 2
+theme_override_font_sizes/font_size = 24
+text = "Question goes here"
+horizontal_alignment = 1
+vertical_alignment = 1
+autowrap_mode = 3
+
+[node name="ChoicesContainer" type="VBoxContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_constants/separation = 10
+
+[node name="FeedbackPanel" type="PanelContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="MarginContainer/VBoxContainer/FeedbackPanel"]
+layout_mode = 2
+theme_override_constants/margin_left = 20
+theme_override_constants/margin_top = 15
+theme_override_constants/margin_right = 20
+theme_override_constants/margin_bottom = 15
+
+[node name="FeedbackLabel" type="Label" parent="MarginContainer/VBoxContainer/FeedbackPanel/MarginContainer"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 18
+text = "Feedback"
+horizontal_alignment = 1
+autowrap_mode = 3

scenes/ui/quiz_mode/quiz_scene.gd

@@ -0,0 +1,95 @@
+extends Control
+
+@onready var exit_btn = $MarginContainer/VBoxContainer/Header/ExitButton
+@onready var progress_label = $MarginContainer/VBoxContainer/Header/ProgressLabel
+@onready var score_label = $MarginContainer/VBoxContainer/ScorePanel/ScoreLabel
+@onready var card_container = $MarginContainer/VBoxContainer/CardContainer
+
+var quiz_session: QuizSession
+var current_card_display: Node
+
+const FlashcardDisplayScene = preload("res://scenes/ui/quiz_mode/flashcard_display.tscn")
+const MultipleChoiceDisplayScene = preload("res://scenes/ui/quiz_mode/multiple_choice_display.tscn")
+
+func _ready() -> void:
+	exit_btn.pressed.connect(_on_exit_pressed)
+
+func start_quiz(deck: Deck) -> void:
+	if not deck or deck.cards.is_empty():
+		push_error("Cannot start quiz with empty or null deck")
+		return
+
+	quiz_session = QuizSession.new()
+	quiz_session.question_answered.connect(_on_question_answered)
+	quiz_session.session_completed.connect(_on_session_completed)
+	quiz_session.progress_updated.connect(_on_progress_updated)
+	quiz_session.start_session(deck, true)
+
+	var progress = DataManager.get_or_create_progress(deck.id)
+	progress.start_session()
+	DataManager.save_progress()
+
+	_show_next_card()
+	_update_ui()
+
+func _show_next_card() -> void:
+	var card = quiz_session.get_current_card()
+
+	if not card:
+		return
+
+	if current_card_display:
+		current_card_display.queue_free()
+		current_card_display = null
+
+	if card.card_type == Flashcard.QuestionType.BASIC:
+		current_card_display = FlashcardDisplayScene.instantiate()
+	else:
+		current_card_display = MultipleChoiceDisplayScene.instantiate()
+
+	card_container.add_child(current_card_display)
+	current_card_display.set_card(card)
+	current_card_display.answer_submitted.connect(_on_answer_submitted)
+
+func _on_answer_submitted(is_correct: bool) -> void:
+	var card = quiz_session.get_current_card()
+
+	if quiz_session.deck:
+		DataManager.record_quiz_result(quiz_session.deck.id, card.id, is_correct)
+
+	quiz_session.answer_question(is_correct)
+
+func _on_question_answered(is_correct: bool, card: Flashcard) -> void:
+	await get_tree().create_timer(0.5).timeout
+	_update_ui()
+	_show_next_card()
+
+func _on_progress_updated(current: int, total: int) -> void:
+	_update_ui()
+
+func _on_session_completed(results: Dictionary) -> void:
+	print("Quiz completed! Results:")
+	print("  Total: %d" % results.total_questions)
+	print("  Correct: %d" % results.correct)
+	print("  Incorrect: %d" % results.incorrect)
+	print("  Accuracy: %.1f%%" % results.accuracy)
+	print("  Duration: %.1f seconds" % results.duration_seconds)
+
+	await get_tree().create_timer(1.0).timeout
+	GameManager.return_to_main_menu()
+
+func _update_ui() -> void:
+	if quiz_session:
+		progress_label.text = "Card %d / %d" % [
+			quiz_session.current_index + 1,
+			quiz_session.shuffled_cards.size()
+		]
+
+		score_label.text = "Score: %d correct, %d incorrect (%.1f%%)" % [
+			quiz_session.session_correct,
+			quiz_session.session_incorrect,
+			quiz_session.get_session_accuracy()
+		]
+
+func _on_exit_pressed() -> void:
+	GameManager.return_to_main_menu()

scenes/ui/quiz_mode/quiz_scene.gd.uid

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

scenes/ui/quiz_mode/quiz_scene.tscn

@@ -0,0 +1,57 @@
+[gd_scene load_steps=2 format=3 uid="uid://bjldqy3e3m3yj"]
+
+[ext_resource type="Script" path="res://scenes/ui/quiz_mode/quiz_scene.gd" id="1_vu2ha"]
+
+[node name="QuizScene" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_vu2ha")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/margin_left = 40
+theme_override_constants/margin_top = 40
+theme_override_constants/margin_right = 40
+theme_override_constants/margin_bottom = 40
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+theme_override_constants/separation = 20
+
+[node name="Header" type="HBoxContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="ExitButton" type="Button" parent="MarginContainer/VBoxContainer/Header"]
+custom_minimum_size = Vector2(100, 50)
+layout_mode = 2
+text = "Exit Quiz"
+
+[node name="ProgressLabel" type="Label" parent="MarginContainer/VBoxContainer/Header"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_font_sizes/font_size = 24
+text = "Card 1 / 10"
+horizontal_alignment = 1
+vertical_alignment = 1
+
+[node name="ScorePanel" type="PanelContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="ScoreLabel" type="Label" parent="MarginContainer/VBoxContainer/ScorePanel"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 18
+text = "Score: 0 correct, 0 incorrect (0.0%)"
+horizontal_alignment = 1
+
+[node name="CardContainer" type="CenterContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3