cleaned

Tetris

.env

@@ -1,9 +0,0 @@
-POSTGRES_PASSWORD=coucou
-JWT_SECRET=superlongsecretkeyatleast32characterspleasenevercommitthis
-POSTGRES_DB=database
-POSTGRES_HOST=database
-POSTGRES_USER=user
-
-GITHUB_CLIENT_ID=Ov23liYIX8bJcdamjQJm
-GITHUB_CLIENT_SECRET=9db75e695a8c028a80bb2e9b5604b2e44f76fb26
-GITHUB_CALLBACK_URL=http://localhost:8080/api/auth/github/callback

.gitignore

@@ -0,0 +1,37 @@
+# macOS
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Environment / secrets
+.env
+.env.*
+.env.local
+.env.production
+
+# Node
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Logs
+*.log
+logs/
+
+# Build output
+dist/
+build/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Docker volumes / data
+postgres-data/
+data/
+
+# OS
+Thumbs.db

Transcendence/.gitignore

@@ -1,3 +1,35 @@
+# macOS
+.DS_Store
 srcs/.DS_Store
 *.DS_Store
-srcs/backend/avatar/*
+
+# Environment / secrets
+.env
+.env.*
+
+# Node
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+
+# Logs
+*.log
+logs/
+
+# Build output
+dist/
+build/
+
+# Uploads utilisateurs (garder uniquement default.png)
+srcs/backend/avatar/*
+!srcs/backend/avatar/default.png
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Docker volumes / data
+postgres-data/
+data/

Transcendence/README.md

@@ -1,54 +0,0 @@
-# Transcendence
-
-Exemple d'../.env fonctionnel:
-
-POSTGRES_PASSWORD=coucou
-JWT_SECRET=superlongsecretkeyatleast32characterspleasenevercommitthis
-POSTGRES_DB=database
-POSTGRES_HOST=database
-POSTGRES_USER=user
-
-GITHUB_CLIENT_ID=Iv1.xxxxxxxxxxxxxxxxxxxxxxxxxxx
-GITHUB_CLIENT_SECRET=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
-GITHUB_CALLBACK_URL=http://localhost:8080/api/auth/github/callback
-
-Les Variables d'env GITHUB_* sont a generer sur ce lien 'https://github.com/settings/applications/new'
-
-
-Gestion de friendship dans POSTGRESQL:
-'pending' → demande envoyée
-'accepted' → amis
-'blocked' → bloqué
-'rejected' → refusé
-
-Ressource:
-    https://www.postgresql.org/docs/
-    https://docs.github.com/en/apps/oauth-apps/building-oauth-apps/authorizing-oauth-apps
-    https://docs.github.com/fr/apps/oauth-apps/building-oauth-apps/creating-an-oauth-app
-
-/////////////////////////////////////////////////////////////////////////////////////////
-
-BACKEND
-
-17/01   - Ajout du service/route pour le systeme de game_room
-        permet aux joueurs de creer et rejoindre des rooms
-        une room vide est automatiquement detruite.
-        - Presence d'une fonction affichant toutes les rooms joignables
-        ainsi qu'une autre fonction pour afficher tous les joueurs de la room avec
-        leur scores et leur etat actuel.
-        - Aucun moyen de changer l'etat de la room de waiting a en cours ou finished
-        ca attendra le systeme du jeu
-
-21/01   - Ajout du service/route pour le systeme d'avatar
-        permet aux utilisateurs de changer ou supprimer leur avatar actuel
-        - Ajout egalement d'une simple fonction pour recuperer l'avatar d'un utilisateur (pour le frontend)
-
-DATABASE
-
-17/01   Ajout des tables game_rooms, game_players, game_rounds, words
-        - nom, status et parametres de la game
-        - joueurs dans la game, leur scores et leur role actuel (dessinateur, devineur)
-        - historique de la game, qui a dessine quoi precedemment ainsi que les timers des rounds, sera aussi utile si on veut faire les stats de compte a l'avenir.
-        - contient la liste des mots utilisable par les joueurs
-
-21/01   Ajout de avatar_url dans la table users

Transcendence/docker-compose.yml

@@ -24,8 +24,6 @@ services:
     build: ./srcs/backend
     expose:
       - "3001"
-    # ports:
-    #   - "3001:3001"
     depends_on:
       - database
     volumes:

Transcendence/srcs/backend/db.js

@@ -45,8 +45,28 @@ async function runMigrations()
 				IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name='users' AND column_name='games_won') THEN
 					ALTER TABLE users ADD COLUMN games_won INT DEFAULT 0;
 				END IF;
+				IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name='users' AND column_name='tetris_best_score') THEN
+					ALTER TABLE users ADD COLUMN tetris_best_score INT DEFAULT 0;
+				END IF;
+				IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name='users' AND column_name='tetris_wins') THEN
+					ALTER TABLE users ADD COLUMN tetris_wins INT DEFAULT 0;
+				END IF;
+				IF NOT EXISTS (SELECT 1 FROM information_schema.columns WHERE table_name='users' AND column_name='tetris_games_played') THEN
+					ALTER TABLE users ADD COLUMN tetris_games_played INT DEFAULT 0;
+				END IF;
 			END $$;
 		`);
+		// Create tetris_game_history table if not exists
+		await pool.query(`
+			CREATE TABLE IF NOT EXISTS tetris_game_history (
+				id SERIAL PRIMARY KEY,
+				user_id INT REFERENCES users(id) ON DELETE CASCADE,
+				score INT NOT NULL DEFAULT 0,
+				game_type VARCHAR(10) NOT NULL DEFAULT 'solo',
+				result VARCHAR(10) DEFAULT NULL,
+				played_at TIMESTAMP DEFAULT NOW()
+			);
+		`);
 		console.log('Migrations completed!');
 	}
 	catch (err)
@@ -138,6 +158,15 @@ async function createTables()
 				started_at TIMESTAMP DEFAULT NOW(),
 				ended_at TIMESTAMP
 			);
+
+			CREATE TABLE IF NOT EXISTS tetris_game_history (
+				id SERIAL PRIMARY KEY,
+				user_id INT REFERENCES users(id) ON DELETE CASCADE,
+				score INT NOT NULL DEFAULT 0,
+				game_type VARCHAR(10) NOT NULL DEFAULT 'solo',
+				result VARCHAR(10) DEFAULT NULL,
+				played_at TIMESTAMP DEFAULT NOW()
+			);
 		`);
 		console.log('Tables created!');
 	}

Transcendence/srcs/backend/routes/game_room.js

@@ -18,6 +18,21 @@ router.get('/', authenticateToken, async(req, res) =>
 	}
 });
 
+// Get list of rooms currently being played (for spectators)
+router.get('/playing', authenticateToken, async(req, res) =>
+{
+	try
+	{
+		const rooms = await gameRoomService.listPlayingRooms();
+		res.json(rooms);
+	}
+	catch (err)
+	{
+		console.error(err);
+		res.status(500).json({error: 'Server error'});
+	}
+});
+
 // IMPORTANT: This route must be before /:roomId to avoid "current" being interpreted as a roomId
 router.get('/current', authenticateToken, async(req, res) =>
 {
@@ -134,4 +149,37 @@ router.post('/:roomId/leave', authenticateToken, async(req, res) =>
 	}
 });
 
+// Join a room as spectator
+router.post('/:roomId/spectate', authenticateToken, async(req, res) =>
+{
+	try
+	{
+		const room = await gameRoomService.spectateRoom(req.params.roomId, req.user.userId);
+		res.json(room);
+	}
+	catch(err)
+	{
+		console.error(err);
+		if (err.message.includes('not found') || err.message.includes('not in playing') || err.message.includes('already in'))
+			res.status(400).json({error: err.message});
+		else
+			res.status(500).json({error: err.message});
+	}
+});
+
+// Leave spectator mode
+router.post('/:roomId/leave-spectate', authenticateToken, async(req, res) =>
+{
+	try
+	{
+		await gameRoomService.leaveSpectateRoom(req.params.roomId, req.user.userId);
+		res.json({message: 'Left spectator mode successfully'});
+	}
+	catch(err)
+	{
+		console.error(err);
+		res.status(500).json({error: 'Server error'});
+	}
+});
+
 export default router;

Transcendence/srcs/backend/routes/player_stats.js

@@ -31,7 +31,7 @@ router.get('/user/:username', authenticateToken, async (req, res) => {
 	}
 });
 
-// Get leaderboard
+// Get general leaderboard
 router.get('/leaderboard', authenticateToken, async (req, res) => {
 	try {
 		const limit = Math.min(parseInt(req.query.limit) || 10, 50);
@@ -43,4 +43,78 @@ router.get('/leaderboard', authenticateToken, async (req, res) => {
 	}
 });
 
+// Save tetris score (solo) — updates best score if higher + saves to history
+router.post('/tetris/score', authenticateToken, async (req, res) => {
+	try {
+		const { score } = req.body;
+		if (typeof score !== 'number' || score < 0) {
+			return res.status(400).json({ error: 'Invalid score' });
+		}
+		const bestScore = await playerStatsService.updateTetrisBestScore(req.user.userId, score);
+		await playerStatsService.incrementTetrisGamesPlayed(req.user.userId);
+		await playerStatsService.addTetrisGameHistory(req.user.userId, score, 'solo', null);
+		res.json({ bestScore });
+	} catch (err) {
+		console.error('Error saving tetris score:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
+// Tetris best score leaderboard
+router.get('/tetris/leaderboard/score', authenticateToken, async (req, res) => {
+	try {
+		const limit = Math.min(parseInt(req.query.limit) || 10, 50);
+		const leaderboard = await playerStatsService.getTetrisBestScoreLeaderboard(limit);
+		res.json(leaderboard);
+	} catch (err) {
+		console.error('Error getting tetris score leaderboard:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
+// Tetris duel wins leaderboard
+router.get('/tetris/leaderboard/wins', authenticateToken, async (req, res) => {
+	try {
+		const limit = Math.min(parseInt(req.query.limit) || 10, 50);
+		const leaderboard = await playerStatsService.getTetrisDuelWinsLeaderboard(limit);
+		res.json(leaderboard);
+	} catch (err) {
+		console.error('Error getting tetris wins leaderboard:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
+// Current user's rank by tetris best score
+router.get('/tetris/rank/score', authenticateToken, async (req, res) => {
+	try {
+		const rank = await playerStatsService.getTetrisScoreRank(req.user.userId);
+		res.json({ rank });
+	} catch (err) {
+		console.error('Error getting tetris score rank:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
+// Get current user's tetris game history (last 15)
+router.get('/tetris/history', authenticateToken, async (req, res) => {
+	try {
+		const history = await playerStatsService.getTetrisGameHistory(req.user.userId);
+		res.json(history);
+	} catch (err) {
+		console.error('Error getting tetris history:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
+// Current user's rank by tetris duel wins
+router.get('/tetris/rank/wins', authenticateToken, async (req, res) => {
+	try {
+		const rank = await playerStatsService.getTetrisDuelWinsRank(req.user.userId);
+		res.json({ rank });
+	} catch (err) {
+		console.error('Error getting tetris wins rank:', err);
+		res.status(500).json({ error: 'Server error' });
+	}
+});
+
 export default router;

Transcendence/srcs/backend/services/game_room.js

@@ -44,6 +44,70 @@ async function listActiveRooms()
 	return (result.rows);
 }
 
+async function listPlayingRooms()
+{
+	const result = await query
+	(
+		`SELECT r.*, COUNT(p.id) as player_count
+		FROM game_rooms r
+		LEFT JOIN game_players p ON r.id = p.room_id
+		WHERE r.status = 'playing'
+		GROUP BY r.id
+		ORDER BY player_count DESC, r.created_at DESC`
+	);
+	return (result.rows);
+}
+
+async function spectateRoom(roomId, userId)
+{
+	const room = await getRoomById(roomId);
+	if (!room)
+		throw new Error('Room not found');
+
+	if (room.status !== 'playing')
+		throw new Error('Room is not in playing status');
+
+	// Check if user is already a player in any active game
+	const playerInGame = await query
+	(
+		`SELECT r.id, r.name, r.status 
+		FROM game_rooms r
+		JOIN game_players gp ON r.id = gp.room_id
+		WHERE gp.user_id = $1 AND r.status IN ('waiting', 'playing')
+		LIMIT 1`,
+		[userId]
+	);
+
+	if (playerInGame.rows.length > 0)
+	{
+		const gameRoom = playerInGame.rows[0];
+		if (gameRoom.id === parseInt(roomId))
+			throw new Error('You cannot spectate a game you are playing in');
+		else
+			throw new Error('You are already in an active game');
+	}
+
+	return (room);
+}
+
+async function leaveSpectateRoom(roomId, userId)
+{
+	const playerCount = await query
+	(
+		'SELECT COUNT(*) FROM game_players WHERE room_id = $1',
+		[roomId]
+	);
+
+	if (parseInt(playerCount.rows[0].count) === 0)
+	{
+		await query
+		(
+			'DELETE FROM game_rooms WHERE id = $1',
+			[roomId]
+		);
+	}
+}
+
 async function joinRoom(roomId, userId)
 {
 	const room = await getRoomById(roomId);
@@ -116,20 +180,75 @@ async function getCurrentRoom(userId)
 		`SELECT r.*
 		FROM game_rooms r
 		JOIN game_players gp ON r.id = gp.room_id
-		WHERE gp.user_id = $1 AND r.status = 'waiting'
+		WHERE gp.user_id = $1 AND r.status IN ('waiting', 'playing')
 		LIMIT 1`,
 		[userId]
 	);
 	return (result.rows[0] || null);
 }
 
+// Update room status (waiting, playing, ended)
+async function updateRoomStatus(roomId, status)
+{
+	const validStatuses = ['waiting', 'playing', 'ended'];
+	if (!validStatuses.includes(status))
+		throw new Error('Invalid status');
+
+	let updateQuery = 'UPDATE game_rooms SET status = $1';
+	const params = [status, roomId];
+
+	if (status === 'playing')
+	{
+		updateQuery += ', started_at = NOW()';
+	}
+	else if (status === 'ended')
+	{
+		updateQuery += ', ended_at = NOW()';
+	}
+
+	updateQuery += ' WHERE id = $2 RETURNING *';
+
+	const result = await query(updateQuery, params);
+	return (result.rows[0]);
+}
+
+async function resetRoomScores(roomId)
+{
+	await query
+	(
+		'UPDATE game_players SET score = 0 WHERE room_id = $1',
+		[roomId]
+	);
+}
+
+async function cleanupEndedRooms()
+{
+	await query
+	(
+		'DELETE FROM game_players WHERE room_id IN (SELECT id FROM game_rooms WHERE status = $1)',
+		['ended']
+	);
+
+	await query
+	(
+		'DELETE FROM game_rooms WHERE status = $1',
+		['ended']
+	);
+}
+
 export default
 {
 	createRoom,
 	getRoomById,
 	listActiveRooms,
+	listPlayingRooms,
+	spectateRoom,
+	leaveSpectateRoom,
 	joinRoom,
 	leaveRoom,
 	getRoomPlayers,
-	getCurrentRoom
+	getCurrentRoom,
+	updateRoomStatus,
+	resetRoomScores,
+	cleanupEndedRooms
 };

Transcendence/srcs/backend/services/player_stats.js

@@ -3,7 +3,8 @@ import { query } from '../db.js';
 // Get player stats by user ID
 async function getStatsByUserId(userId) {
 	const result = await query(
-		`SELECT id, username, avatar_url, total_points, games_played, games_won, created_at
+		`SELECT id, username, avatar_url, total_points, games_played, games_won,
+		        tetris_best_score, tetris_wins, tetris_games_played, created_at
 		FROM users WHERE id = $1`,
 		[userId]
 	);
@@ -13,7 +14,8 @@ async function getStatsByUserId(userId) {
 // Get player stats by username
 async function getStatsByUsername(username) {
 	const result = await query(
-		`SELECT id, username, avatar_url, total_points, games_played, games_won, created_at
+		`SELECT id, username, avatar_url, total_points, games_played, games_won,
+		        tetris_best_score, tetris_wins, tetris_games_played, created_at
 		FROM users WHERE username = $1`,
 		[username]
 	);
@@ -76,6 +78,111 @@ async function getUserIdByUsername(username) {
 	return result.rows[0]?.id || null;
 }
 
+// Update tetris best score (only if new score is higher)
+async function updateTetrisBestScore(userId, score) {
+	const result = await query(
+		`UPDATE users SET tetris_best_score = GREATEST(COALESCE(tetris_best_score, 0), $1) WHERE id = $2 RETURNING tetris_best_score`,
+		[score, userId]
+	);
+	return result.rows[0]?.tetris_best_score || 0;
+}
+
+// Increment tetris duel wins
+async function incrementTetrisWins(userId) {
+	await query(
+		`UPDATE users SET tetris_wins = COALESCE(tetris_wins, 0) + 1 WHERE id = $1`,
+		[userId]
+	);
+}
+
+// Increment tetris games played
+async function incrementTetrisGamesPlayed(userId) {
+	await query(
+		`UPDATE users SET tetris_games_played = COALESCE(tetris_games_played, 0) + 1 WHERE id = $1`,
+		[userId]
+	);
+}
+
+// Leaderboard: best tetris scores
+async function getTetrisBestScoreLeaderboard(limit = 10) {
+	const result = await query(
+		`SELECT id, username, avatar_url, tetris_best_score, tetris_wins, tetris_games_played
+		FROM users
+		WHERE tetris_best_score > 0
+		ORDER BY tetris_best_score DESC
+		LIMIT $1`,
+		[limit]
+	);
+	return result.rows;
+}
+
+// Leaderboard: most tetris duel wins
+async function getTetrisDuelWinsLeaderboard(limit = 10) {
+	const result = await query(
+		`SELECT id, username, avatar_url, tetris_wins, tetris_games_played, tetris_best_score
+		FROM users
+		WHERE tetris_wins > 0
+		ORDER BY tetris_wins DESC
+		LIMIT $1`,
+		[limit]
+	);
+	return result.rows;
+}
+
+// Add a game to tetris history (keep max 15 per user)
+async function addTetrisGameHistory(userId, score, gameType = 'solo', result = null) {
+	await query(
+		`INSERT INTO tetris_game_history (user_id, score, game_type, result) VALUES ($1, $2, $3, $4)`,
+		[userId, score, gameType, result]
+	);
+	// Keep only the 15 most recent entries
+	await query(
+		`DELETE FROM tetris_game_history
+		WHERE id IN (
+			SELECT id FROM tetris_game_history
+			WHERE user_id = $1
+			ORDER BY played_at DESC
+			OFFSET 15
+		)`,
+		[userId]
+	);
+}
+
+// Get the last 15 games for a user
+async function getTetrisGameHistory(userId) {
+	const result = await query(
+		`SELECT id, score, game_type, result, played_at
+		FROM tetris_game_history
+		WHERE user_id = $1
+		ORDER BY played_at DESC
+		LIMIT 15`,
+		[userId]
+	);
+	return result.rows;
+}
+
+// Rank of a user by tetris best score (1 = best)
+async function getTetrisScoreRank(userId) {
+	const result = await query(
+		`SELECT COUNT(*) + 1 AS rank
+		FROM users
+		WHERE tetris_best_score > COALESCE((SELECT tetris_best_score FROM users WHERE id = $1), 0)`,
+		[userId]
+	);
+	return parseInt(result.rows[0]?.rank || 1);
+}
+
+// Rank of a user by tetris duel wins (1 = best)
+async function getTetrisDuelWinsRank(userId) {
+	const result = await query(
+		`SELECT COUNT(*) + 1 AS rank
+		FROM users
+		WHERE tetris_wins > COALESCE((SELECT tetris_wins FROM users WHERE id = $1), 0)`,
+		[userId]
+	);
+	return parseInt(result.rows[0]?.rank || 1);
+}
+
 export default {
 	getStatsByUserId,
 	getStatsByUsername,
@@ -84,5 +191,14 @@ export default {
 	incrementGamesPlayed,
 	incrementGamesWon,
 	getLeaderboard,
-	getUserIdByUsername
+	getUserIdByUsername,
+	updateTetrisBestScore,
+	incrementTetrisWins,
+	incrementTetrisGamesPlayed,
+	getTetrisBestScoreLeaderboard,
+	getTetrisDuelWinsLeaderboard,
+	getTetrisScoreRank,
+	getTetrisDuelWinsRank,
+	addTetrisGameHistory,
+	getTetrisGameHistory
 };

Transcendence/srcs/backend/services/socket.js

@@ -7,6 +7,12 @@ import playerStatsService from './player_stats.js';
 // Store game state per room
 const gameRooms = new Map();
 
+// Store tetris duel rooms  { roomCode → Map<socketId, socket> }
+const tetrisRooms = new Map();
+
+// Matchmaking queue for tetris
+const tetrisMatchmakingQueue = [];
+
 // Store io instance globally for use in routes
 let ioInstance = null;
 
@@ -24,6 +30,42 @@ async function broadcastRoomsList(io) {
 	}
 }
 
+// Check if a playing game has only 1 player left and auto-stop it
+async function checkAndStopSinglePlayerGame(io, roomId, dbRoomId) {
+	if (!dbRoomId) return;
+	
+	try {
+		// Check if room is in 'playing' status
+		const room = await gameRoomService.getRoomById(dbRoomId);
+		if (!room || room.status !== 'playing') return;
+		
+		// Count remaining players
+		const players = await gameRoomService.getRoomPlayers(dbRoomId);
+		if (players.length <= 1) {
+			console.log(`Room ${dbRoomId} has only ${players.length} player(s) left, ending game`);
+			
+			// Update room status to 'ended'
+			await gameRoomService.updateRoomStatus(dbRoomId, 'waiting');
+            await gameRoomService.resetRoomScores(dbRoomId);
+			
+			// Remove from game state
+			gameRooms.delete(roomId);
+			
+			// Notify remaining player(s)
+			io.to(roomId).emit('game-ended');
+			io.to(roomId).emit('game-message', {
+				message: 'La partie s\'est terminée car il ne reste qu\'un seul joueur',
+				type: 'info'
+			});
+			
+			// Broadcast updated rooms list
+			broadcastRoomsList(io);
+		}
+	} catch (err) {
+		console.error('Error checking single player game:', err);
+	}
+}
+
 // Save round points to database (only the difference from round start)
 async function saveRoundPoints(currentScores, roundStartScores) {
 	for (const [username, currentPoints] of Object.entries(currentScores)) {
@@ -182,16 +224,94 @@ function setupSocketIO(io)
 				socket.gameRoomId = null;
 				socket.gameRoomDbId = null;
 
+				// Check if game should auto-stop due to single player
+				await checkAndStopSinglePlayerGame(io, roomId, dbRoomId);
 				// Broadcast updated rooms list
 				broadcastRoomsList(io);
 			}
 		});
 
+		// Join a game room as spectator
+		socket.on('game-spectate-room', async (data) => {
+			console.log('Received game-spectate-room from', socket.user.username, 'data:', data);
+			const roomId = `game-room-${data.roomId}`;
+			
+			// Verify room exists and is in playing status, and user is not already in a game
+			try {
+				const room = await gameRoomService.spectateRoom(data.roomId, socket.user.userId);
+				
+				socket.join(roomId);
+				socket.gameRoomId = roomId;
+				socket.gameRoomDbId = data.roomId;
+				socket.isSpectator = true;
+				console.log(`${socket.user.username} joined ${roomId} as spectator`);
+
+				// Send confirmation
+				socket.emit('game-spectate-joined', {
+					roomId: data.roomId,
+					success: true
+				});
+
+				// Notify others that a spectator joined
+				socket.to(roomId).emit('game-spectator-joined', {
+					username: socket.user.username
+				});
+
+				// Send current game state
+				const gameState = gameRooms.get(roomId);
+				if (gameState && gameState.isPlaying) {
+					socket.emit('game-state-sync', {
+						isPlaying: gameState.isPlaying,
+						drawer: gameState.drawer,
+						wordLength: gameState.currentWord ? gameState.currentWord.length : 0,
+						revealedLetters: gameState.revealedLetters,
+						revealedWord: gameState.revealedWord || [],
+						guessedLetters: gameState.guessedLetters,
+						players: gameState.players,
+						scores: gameState.scores || {}
+					});
+				}
+			} catch (err) {
+				console.error('Error joining as spectator:', err);
+				socket.emit('game-spectate-error', {
+					error: err.message || 'Cannot spectate this room'
+				});
+			}
+		});
+
+		// Leave spectator mode
+		socket.on('game-leave-spectate', () => {
+			if (socket.gameRoomId && socket.isSpectator) {
+				const roomId = socket.gameRoomId;
+				
+				socket.to(roomId).emit('game-spectator-left', {
+					username: socket.user.username
+				});
+				
+				socket.leave(roomId);
+				console.log(`${socket.user.username} left spectator mode in ${roomId}`);
+				
+				socket.gameRoomId = null;
+				socket.gameRoomDbId = null;
+				socket.isSpectator = false;
+			}
+		});
+
+
 		// Start the game
-		socket.on('game-start', (data) => {
+		socket.on('game-start', async (data) => {
 			console.log('Received game-start event from', socket.user.username);
 			console.log('socket.gameRoomId:', socket.gameRoomId);
 
+			// Security check: need at least 2 players
+			if (!data.players || data.players.length < 2) {
+				console.log('Game start rejected: not enough players');
+				socket.emit('game-start-error', {
+					error: 'Il faut au moins 2 joueurs pour commencer'
+				});
+				return;
+			}
+
 			const gameStartedData = {
 				drawer: data.drawer,
 				players: data.players
@@ -206,6 +326,33 @@ function setupSocketIO(io)
 				return;
 			}
 
+			// Verify player count from database
+			const dbRoomId = socket.gameRoomDbId;
+			if (dbRoomId) {
+				try {
+					const players = await gameRoomService.getRoomPlayers(dbRoomId);
+					if (players.length < 2) {
+						console.log(`Game start rejected: only ${players.length} player(s) in room`);
+						socket.emit('game-start-error', {
+							error: 'Il faut au moins 2 joueurs pour commencer'
+						});
+						return;
+					}
+				} catch (err) {
+					console.error('Error checking player count:', err);
+				}
+			}
+
+			// Update room status to 'playing' in database
+			if (dbRoomId) {
+				try {
+					await gameRoomService.updateRoomStatus(dbRoomId, 'playing');
+					console.log(`Room ${dbRoomId} status updated to 'playing'`);
+				} catch (err) {
+					console.error('Error updating room status to playing:', err);
+				}
+			}
+
 			// Initialize scores for all players
 			const scores = {};
 			data.players.forEach(p => scores[p] = 0);
@@ -230,6 +377,9 @@ function setupSocketIO(io)
 			socket.emit('game-started', gameStartedData);
 
 			console.log(`Game started in ${roomId} by ${socket.user.username}`);
+
+			// Broadcast updated rooms list (this room should no longer appear)
+			broadcastRoomsList(io);
 		});
 
 		// Drawer sets the word
@@ -266,6 +416,12 @@ function setupSocketIO(io)
 			const roomId = socket.gameRoomId;
 			if (!roomId) return;
 
+			// Spectators cannot draw
+			if (socket.isSpectator) {
+				console.log(`Spectator ${socket.user.username} tried to draw - blocked`);
+				return;
+			}
+
 			// Broadcast drawing to all other players in the room
 			socket.to(roomId).emit('game-draw', {
 				x1: data.x1,
@@ -282,6 +438,9 @@ function setupSocketIO(io)
 			const roomId = socket.gameRoomId;
 			if (!roomId) return;
 
+			// Spectators cannot clear canvas
+			if (socket.isSpectator) return;
+
 			socket.to(roomId).emit('game-clear-canvas');
 		});
 
@@ -290,6 +449,13 @@ function setupSocketIO(io)
 			const roomId = socket.gameRoomId;
 			if (!roomId) return;
 
+			// Spectators cannot make guesses
+			if (socket.isSpectator) {
+				console.log(`Spectator ${socket.user.username} tried to guess - blocked`);
+				return;
+			}
+
+
 			const gameState = gameRooms.get(roomId);
 			if (!gameState || !gameState.currentWord) return;
 
@@ -413,45 +579,349 @@ function setupSocketIO(io)
 			});
 		});
 
+		socket.on('leave-room-during-game', async () => {
+			const roomId = socket.gameRoomId;
+			const dbRoomId = socket.gameRoomDbId;
+			const userId = socket.user.userId;
+			const username = socket.user.username;
+
+			if (!roomId || !dbRoomId || !userId) return;
+
+			console.log(`Player ${username} leaving room ${roomId} during game`);
+
+			try
+			{
+				socket.leave(roomId);
+
+				await gameRoomService.leaveRoom(dbRoomId, userId);
+
+				io.to(roomId).emit('game-player-left', {
+					username: username,
+					message: `${username} a quitté la partie`
+				});
+
+				const gameState = gameRooms.get(roomId);
+				if (gameState)
+				{
+					const wasDrawer = gameState.drawer === username;
+					
+					gameState.players = gameState.players.filter(p => p !== username);
+					delete gameState.scores[username];
+
+					io.to(roomId).emit('scores-updated', gameState.scores);
+
+					// If the drawer left and there are still enough players, choose a new drawer
+					if (wasDrawer && gameState.players.length >= 1)
+					{
+						// Pick the next player as the new drawer
+						gameState.currentPlayerIndex = gameState.currentPlayerIndex % gameState.players.length;
+						const newDrawer = gameState.players[gameState.currentPlayerIndex];
+						gameState.drawer = newDrawer;
+						
+						// Reset the word state for the new round
+						gameState.currentWord = '';
+						gameState.revealedLetters = [];
+						gameState.revealedWord = [];
+						gameState.guessedLetters = [];
+						gameState.wrongGuesses = 0;
+
+						console.log(`Drawer ${username} left, new drawer is ${newDrawer}`);
+
+						io.to(roomId).emit('game-drawer-changed', {
+							newDrawer: newDrawer,
+							reason: 'drawer_left',
+							message: `${username} (dessinateur) a quitté, ${newDrawer} devient le nouveau dessinateur`
+						});
+					}
+				}
+
+				await checkAndStopSinglePlayerGame(io, roomId, dbRoomId);
+
+				socket.gameRoomId = null;
+				socket.gameRoomDbId = null;
+
+				broadcastRoomsList(io);
+			}
+			catch (err)
+			{
+				console.error('Error leaving room during game:', err);
+			}
+		});
+
 		// End game
-		socket.on('game-end', () => {
+		socket.on('game-end', async () => {
 			const roomId = socket.gameRoomId;
 			if (!roomId) return;
 
+			// Update room status to 'waiting' in database
+			const dbRoomId = socket.gameRoomDbId;
+			if (dbRoomId) {
+				try {
+					await gameRoomService.updateRoomStatus(dbRoomId, 'waiting');
+					await gameRoomService.resetRoomScores(dbRoomId);
+					console.log(`Room ${dbRoomId} status updated to 'waiting'`);
+				} catch (err) {
+					console.error('Error updating room status to waiting:', err);
+				}
+			}
+
 			gameRooms.delete(roomId);
 			io.to(roomId).emit('game-ended');
+
+			// Broadcast updated rooms list
+			broadcastRoomsList(io);
+		});
+
+		// ============================================
+		// TETRIS DUEL EVENTS
+		// ============================================
+
+		socket.on('tetris:join', ({ roomCode }) => {
+			const code = String(roomCode).toUpperCase().slice(0, 8);
+
+			// Quitter l'ancienne room tetris si besoin
+			if (socket.tetrisRoomCode) {
+				_tetrisLeave(socket);
+			}
+
+			if (!tetrisRooms.has(code)) {
+				tetrisRooms.set(code, new Map());
+			}
+			const room = tetrisRooms.get(code);
+
+			if (room.size >= 2) {
+				socket.emit('tetris:room-status', { status: 'full', players: [] });
+				return;
+			}
+
+			room.set(socket.id, socket);
+			socket.tetrisRoomCode = code;
+
+			const players = [...room.values()].map(s => s.user.username);
+
+			if (room.size === 1) {
+				socket.emit('tetris:room-status', { status: 'waiting', players });
+			} else {
+				// Notifier les deux joueurs
+				for (const s of room.values()) {
+					s.emit('tetris:room-status', { status: 'ready', players });
+				}
+				// Notifier l'adversaire qu'un nouveau joueur a rejoint
+				for (const [id, s] of room) {
+					if (id !== socket.id) {
+						s.emit('tetris:opponent-joined', { username: socket.user.username });
+					}
+				}
+			}
+		});
+
+		socket.on('tetris:leave', () => {
+			_tetrisLeave(socket);
+		});
+
+		// Relay pur : grid-update → adversaire uniquement
+		socket.on('tetris:grid-update', (data) => {
+			if (data.score !== undefined) socket.tetrisLastScore = data.score;
+			_tetrisRelayToOpponent(socket, 'tetris:grid-update', data);
+		});
+
+		// Relay pur : lines-cleared → adversaire uniquement
+		socket.on('tetris:lines-cleared', (data) => {
+			_tetrisRelayToOpponent(socket, 'tetris:lines-cleared', data);
+		});
+
+		// Relay pur : shield-activated → adversaire uniquement
+		socket.on('tetris:shield-activated', () => {
+			_tetrisRelayToOpponent(socket, 'tetris:shield-activated', {});
+		});
+
+		// Relay pur : shield-deactivated → adversaire uniquement
+		socket.on('tetris:shield-deactivated', () => {
+			_tetrisRelayToOpponent(socket, 'tetris:shield-deactivated', {});
+		});
+
+		// start-duel → relayé aux DEUX joueurs de la room (inclut l'émetteur)
+		socket.on('tetris:start-duel', () => {
+			const code = socket.tetrisRoomCode;
+			if (!code) return;
+			const room = tetrisRooms.get(code);
+			if (!room || room.size < 2) return;
+			for (const s of room.values()) {
+				s.emit('tetris:start-duel');
+			}
+		});
+
+		// pause → relayé aux DEUX joueurs de la room
+		socket.on('tetris:pause', () => {
+			const code = socket.tetrisRoomCode;
+			if (!code) return;
+			const room = tetrisRooms.get(code);
+			if (!room) return;
+			for (const s of room.values()) {
+				s.emit('tetris:pause');
+			}
+		});
+
+		// stop → relayé aux DEUX joueurs de la room
+		socket.on('tetris:stop', () => {
+			const code = socket.tetrisRoomCode;
+			if (!code) return;
+			const room = tetrisRooms.get(code);
+			if (!room) return;
+			for (const s of room.values()) {
+				s.emit('tetris:stop');
+			}
+		});
+
+		// settings → relayé aux DEUX joueurs de la room
+		socket.on('tetris:settings', (data) => {
+			const code = socket.tetrisRoomCode;
+			if (!code) return;
+			const room = tetrisRooms.get(code);
+			if (!room) return;
+			for (const s of room.values()) {
+				s.emit('tetris:settings', data);
+			}
+		});
+
+		// game-over → save stats + relay opponent-game-over
+		socket.on('tetris:game-over', async (data) => {
+			const loserId = socket.user.userId;
+			try {
+				await playerStatsService.updateTetrisBestScore(loserId, data.score || 0);
+				await playerStatsService.incrementTetrisGamesPlayed(loserId);
+				await playerStatsService.addTetrisGameHistory(loserId, data.score || 0, 'duel', 'loss');
+			} catch (err) {
+				console.error('Error saving tetris loser stats:', err);
+			}
+
+			const code = socket.tetrisRoomCode;
+			if (code) {
+				const room = tetrisRooms.get(code);
+				if (room) {
+					for (const [id, s] of room) {
+						if (id !== socket.id) {
+							s.emit('tetris:opponent-game-over', data);
+							try {
+								await playerStatsService.incrementTetrisWins(s.user.userId);
+								await playerStatsService.incrementTetrisGamesPlayed(s.user.userId);
+								const winnerScore = s.tetrisLastScore || 0;
+								await playerStatsService.addTetrisGameHistory(s.user.userId, winnerScore, 'duel', 'win');
+							} catch (err) {
+								console.error('Error saving tetris winner stats:', err);
+							}
+						}
+					}
+				}
+			}
+		});
+
+		// Matchmaking
+		socket.on('tetris:matchmaking-join', () => {
+			// Remove from queue if already there
+			const idx = tetrisMatchmakingQueue.findIndex(s => s.id === socket.id);
+			if (idx !== -1) tetrisMatchmakingQueue.splice(idx, 1);
+
+			tetrisMatchmakingQueue.push(socket);
+			socket.emit('tetris:matchmaking-status', { status: 'searching', position: tetrisMatchmakingQueue.length });
+
+			if (tetrisMatchmakingQueue.length >= 2) {
+				const player1 = tetrisMatchmakingQueue.shift();
+				const player2 = tetrisMatchmakingQueue.shift();
+				const roomCode = Math.random().toString(36).substring(2, 8).toUpperCase();
+				player1.emit('tetris:matched', { roomCode, opponent: player2.user.username });
+				player2.emit('tetris:matched', { roomCode, opponent: player1.user.username });
+			}
+		});
+
+		socket.on('tetris:matchmaking-leave', () => {
+			const idx = tetrisMatchmakingQueue.findIndex(s => s.id === socket.id);
+			if (idx !== -1) tetrisMatchmakingQueue.splice(idx, 1);
+			socket.emit('tetris:matchmaking-status', { status: 'idle' });
 		});
 
 		socket.on('disconnect', async () =>
 		{
+			// Nettoyage matchmaking tetris
+			const mqIdx = tetrisMatchmakingQueue.findIndex(s => s.id === socket.id);
+			if (mqIdx !== -1) tetrisMatchmakingQueue.splice(mqIdx, 1);
+
+			// Nettoyage room tetris
+			if (socket.tetrisRoomCode) {
+				_tetrisLeave(socket);
+			}
+
 			console.log(`User disconnected: ${socket.user.username}`);
 
-			// Notify game room if player was in one
+			// Notify game room if player/spectator was in one
 			if (socket.gameRoomId) {
 				const roomId = socket.gameRoomId;
 				const dbRoomId = socket.gameRoomDbId;
 
-				socket.to(roomId).emit('game-player-left', {
+				// If spectator, just notify and leave
-					username: socket.user.username,
+				if (socket.isSpectator) {
-					userId: socket.user.userId
+					socket.to(roomId).emit('game-spectator-left', {
-				});
+						username: socket.user.username
-
+					});
-				// Get updated player list and broadcast
+					console.log(`Spectator ${socket.user.username} disconnected from ${roomId}`);
-				if (dbRoomId) {
-					try {
-						const players = await gameRoomService.getRoomPlayers(dbRoomId);
-						io.to(roomId).emit('game-players-updated', { players });
-					} catch (err) {
-						console.log('Room may have been deleted on disconnect:', err.message);
-					}
 				}
+				else
+				{
+					// Regular player disconnect
+					socket.to(roomId).emit('game-player-left', {
+						username: socket.user.username,
+						userId: socket.user.userId
+					});
 
-				// Broadcast updated rooms list
+					// Get updated player list and broadcast
-				broadcastRoomsList(io);
+					if (dbRoomId) {
+						try {
+							const players = await gameRoomService.getRoomPlayers(dbRoomId);
+							io.to(roomId).emit('game-players-updated', { players });
+						} catch (err) {
+							console.log('Room may have been deleted on disconnect:', err.message);
+						}
+					}
+
+					// Check if game should auto-stop due to single player
+					await checkAndStopSinglePlayerGame(io, roomId, dbRoomId);
+
+					// Broadcast updated rooms list
+					broadcastRoomsList(io);
+				}
 			}
 		});
 	});
 }
 
+// ── Helpers tetris duel ──────────────────────────────────────────────────
+
+function _tetrisLeave(socket)
+{
+	const code = socket.tetrisRoomCode;
+	if (!code) return;
+	const room = tetrisRooms.get(code);
+	if (room) {
+		room.delete(socket.id);
+		// Notifier l'adversaire restant
+		for (const s of room.values()) {
+			s.emit('tetris:opponent-left');
+			s.emit('tetris:room-status', { status: 'waiting', players: [s.user.username] });
+		}
+		if (room.size === 0) tetrisRooms.delete(code);
+	}
+	socket.tetrisRoomCode = null;
+}
+
+function _tetrisRelayToOpponent(socket, event, data) {
+	const code = socket.tetrisRoomCode;
+	if (!code) return;
+	const room = tetrisRooms.get(code);
+	if (!room) return;
+	for (const [id, s] of room) {
+		if (id !== socket.id) s.emit(event, data);
+	}
+}
+
 export { broadcastRoomsList };
 export default setupSocketIO;

Transcendence/srcs/frontend/src/app.js

@@ -2,12 +2,13 @@
  * Application entry point
  * Initializes windows and handles menu interactions
  */
-import { windowRegistry } from './windows.js';
+import { windowRegistry } from './core/windows.js';
-import { LoginWindow } from './login.js';
+import { LoginWindow } from './windows/login.js';
-import { GlobalChat } from './global_chat.js';
+import { GlobalChat } from './windows/global_chat.js';
-import { AvatarWindow } from './avatar.js';
+import { AvatarWindow } from './windows/avatar.js';
-import { FriendsWindow } from './friends.js';
+import { FriendsWindow } from './windows/friends.js';
-import { GameRoomWindow } from './game_room.js';
+import { GameRoomWindow } from './windows/game_room.js';
+import { StatsWindow } from './windows/stats.js';
 
 /**
  * Main application class
@@ -30,6 +31,7 @@ class App {
         new AvatarWindow();
         new FriendsWindow();
         new GameRoomWindow();
+        new StatsWindow();
     }
 
     /**
@@ -69,7 +71,6 @@ class App {
     initPage() {
         const page = document.querySelector('.page');
         if (!page) {
-            console.warn('Page not found');
             return;
         }
 

Transcendence/srcs/frontend/src/core/config.js

@@ -23,17 +23,23 @@ export const API = {
     },
     ROOMS: {
         LIST: '/api/rooms',
+        PLAYING: '/api/rooms/playing',
         CREATE: '/api/rooms',
         GET: (id) => `/api/rooms/${id}`,
         PLAYERS: (id) => `/api/rooms/${id}/players`,
         JOIN: (id) => `/api/rooms/${id}/join`,
         LEAVE: (id) => `/api/rooms/${id}/leave`,
+        SPECTATE: (id) => `/api/rooms/${id}/spectate`,
+        LEAVE_SPECTATE: (id) => `/api/rooms/${id}/leave-spectate`,
         CURRENT: '/api/rooms/current'
     },
     STATS: {
         ME: '/api/stats/me',
         USER: (username) => `/api/stats/user/${username}`,
-        LEADERBOARD: '/api/stats/leaderboard'
+        LEADERBOARD: '/api/stats/leaderboard',
+        TETRIS_SCORE: '/api/stats/tetris/score',
+        TETRIS_LEADERBOARD_SCORE: '/api/stats/tetris/leaderboard/score',
+        TETRIS_LEADERBOARD_WINS: '/api/stats/tetris/leaderboard/wins'
     }
 };
 

Transcendence/srcs/frontend/src/core/events.js

@@ -53,11 +53,13 @@ class EventBus {
      */
     emit(event, data) {
         if (this.listeners.has(event)) {
+            const listeners = this.listeners.get(event);
             this.listeners.get(event).forEach(callback => {
                 try {
                     callback(data);
-                } catch (error) {
+                }
-                    console.error(`Error in listener for "${event}":`, error);
+                catch (err) {
+                    // Show that some events are not fully handled, but don't break the app
                 }
             });
         }

Transcendence/srcs/frontend/src/game/game.html

@@ -21,7 +21,7 @@
 
 		<nav class="game" aria-label="Game">
 			<button class="game__item" data-action="Home page" aria-label="Home Page"
-			onclick="window.location.href='index.html'">Home Page</button>
+			onclick="window.location.href='../index.html'">Home Page</button>
 		</nav>
 
     <div class="page" aria-label="Page">
@@ -29,6 +29,6 @@
     </div>
 
 
-		<script type="module" src="app.js"></script>
+		<script type="module" src="../app.js"></script>
 	</body>
 </html>

Transcendence/srcs/frontend/src/index.css

@@ -531,6 +531,76 @@ body {
     display: none;
 }
 
+/* ============================================
+   STATS WINDOW
+   ============================================ */
+.stats-window {
+    width: 320px;
+}
+
+.stats__avatar {
+    width: 72px;
+    height: 72px;
+    object-fit: cover;
+    border-radius: var(--radius-full);
+    border: 2px solid var(--color-text);
+    align-self: center;
+    display: block;
+    margin: 0 auto var(--spacing-xs);
+}
+
+.stats__username {
+    font-size: var(--font-size-lg);
+    font-weight: 600;
+    text-align: center;
+    color: #000;
+    margin-bottom: var(--spacing-md);
+}
+
+.stats__section {
+    margin-bottom: var(--spacing-md);
+}
+
+.stats__section-title {
+    font-size: var(--font-size-sm);
+    font-weight: 700;
+    text-transform: uppercase;
+    letter-spacing: 0.08em;
+    color: var(--color-primary);
+    border-bottom: 1px solid var(--color-surface-light);
+    padding-bottom: var(--spacing-xs);
+    margin-bottom: var(--spacing-xs);
+}
+
+.stats__section-body {
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+}
+
+.stats__row {
+    display: flex;
+    justify-content: space-between;
+    font-size: var(--font-size-sm);
+    padding: 3px 0;
+}
+
+.stats__label {
+    color: #333;
+}
+
+.stats__value {
+    font-weight: 600;
+    color: #000;
+}
+
+.stats__loading {
+    font-size: var(--font-size-sm);
+    color: #333;
+    text-align: center;
+    padding: var(--spacing-sm) 0;
+}
+
 /* ============================================
    EASTER EGG BUTTON
    ============================================ */

Transcendence/srcs/frontend/src/index.html

@@ -21,7 +21,9 @@
 
 		<nav class="game" aria-label="Game">
 			<button class="game__item" data-action="new_game" aria-label="Start new game"
-			onclick="window.location.href='game.html'">Start new game</button>
+			onclick="window.location.href='game/game.html'">Start new game</button>
+			<button class="game__item" data-action="tetris" aria-label="Tetris"
+			onclick="window.location.href='tetris/tetris.html'">Tetris</button>
 		</nav>
 		
 		<script type="module" src="app.js"></script>

Transcendence/srcs/frontend/src/tetris/duel.js

@@ -0,0 +1,215 @@
+// ─────────────────────────────────────────────
+// DUEL
+// ─────────────────────────────────────────────
+
+class Duel {
+    // ui : { showOverlay, hideOverlay, render, renderOpponent, updateButtons }
+    constructor(socket, tetrisGame, onStatusChange, onStart, ui) {
+        this.socket         = socket;
+        this.tetrisGame     = tetrisGame;
+        this.onStatusChange = onStatusChange;
+        this.onStart        = onStart;
+        this.ui             = ui;
+
+        this.action_queue         = [];
+        this.opponentGrid         = this._emptyGrid();
+        this.opponentScore        = 0;
+        this.opponentShieldActive = false;
+        this.roomCode             = null;
+        this.isReady              = false;
+
+        this._bindSocketEvents();
+    }
+
+    // ─── Connexion ────────────────────────────
+
+    join(roomCode) {
+        this.roomCode = roomCode;
+        this.socket.emit('tetris:join', { roomCode });
+    }
+
+    startDuel() {
+        if (!this.isReady) return;
+        this.socket.emit('tetris:start-duel');
+    }
+
+    leave() {
+        if (!this.roomCode) return;
+        this.socket.emit('tetris:leave');
+        this.roomCode             = null;
+        this.isReady              = false;
+        this.opponentGrid         = this._emptyGrid();
+        this.opponentScore        = 0;
+        this.opponentShieldActive = false;
+    }
+
+    // ─── Hooks appelés par tetris.js ──────────
+
+    onLocalBlockPlaced(grid, score) {
+        if (!this.isReady) return;
+        this.socket.emit('tetris:grid-update', { grid, score });
+    }
+
+    onLocalLinesCleared(count, holeCol) {
+        if (!this.isReady) return;
+        const garbageLines = Array.from({ length: count }, () => this._buildGarbageLine(holeCol));
+        this.socket.emit('tetris:lines-cleared', { count, holeCol, garbageLines });
+    }
+
+    onLocalGameOver(score, validBlock) {
+        if (!this.isReady) return;
+        this.socket.emit('tetris:game-over', { score, validBlock });
+        this.endDuel();
+    }
+
+    onLocalShieldChanged(event) {
+        if (!this.isReady) return;
+        if (event === 'activated')   this.socket.emit('tetris:shield-activated');
+        else if (event === 'deactivated') this.socket.emit('tetris:shield-deactivated');
+    }
+
+    endDuel() {
+        this.isReady      = false;
+        this.action_queue = [];
+        if (this.tetrisGame.isRunning) this.tetrisGame.stop();
+    }
+
+    // ─── Traitement de la queue ───────────────
+
+    synchronize_game() {
+        while (this.action_queue.length > 0) {
+            this._processAction(this.action_queue.shift());
+        }
+    }
+
+    _processAction(action) {
+        switch (action.type) {
+            case 'GRID_UPDATE':
+                this.opponentGrid  = action.grid;
+                this.opponentScore = action.score;
+                document.getElementById('opponent-score').textContent = action.score;
+                this.ui.renderOpponent(this.opponentGrid, this.opponentShieldActive);
+                break;
+
+            case 'LINES_CLEARED':
+                this.tetrisGame.addGarbageLines(action.garbageLines);
+                break;
+
+            case 'OPPONENT_GAME_OVER':
+                this.ui.showOverlay('YOU WIN', action.score);
+                this.endDuel();
+                break;
+
+            case 'OPPONENT_SHIELD_ACTIVATED':
+                this.opponentShieldActive = true;
+                break;
+
+            case 'OPPONENT_SHIELD_DEACTIVATED':
+                this.opponentShieldActive = false;
+                break;
+        }
+    }
+
+    // ─── Liaison socket ───────────────────────
+
+    _bindSocketEvents() {
+        this.socket.on('tetris:room-status', (data) => {
+            this.isReady = data.status === 'ready';
+            const opponentName = data.players.find(p => p !== this.socket.username) || 'Adversaire';
+            document.getElementById('opponent-name').textContent = opponentName;
+            this.onStatusChange(data.status, opponentName);
+        });
+
+        this.socket.on('tetris:opponent-joined', (data) => {
+            document.getElementById('opponent-name').textContent = data.username;
+        });
+
+        this.socket.on('tetris:opponent-left', () => {
+            this.isReady = false;
+            this.onStatusChange('waiting', null);
+            this._showOpponentOverlay('DÉCONNECTÉ');
+        });
+
+        this.socket.on('tetris:grid-update', (data) => {
+            this.action_queue.push({ type: 'GRID_UPDATE', grid: data.grid, score: data.score });
+        });
+
+        this.socket.on('tetris:lines-cleared', (data) => {
+            this.action_queue.push({ type: 'LINES_CLEARED', garbageLines: data.garbageLines });
+        });
+
+        this.socket.on('tetris:opponent-game-over', (data) => {
+            this.action_queue.push({ type: 'OPPONENT_GAME_OVER', score: data.score, validBlock: data.validBlock });
+        });
+
+        this.socket.on('tetris:shield-activated', () => {
+            this.action_queue.push({ type: 'OPPONENT_SHIELD_ACTIVATED' });
+        });
+
+        this.socket.on('tetris:shield-deactivated', () => {
+            this.action_queue.push({ type: 'OPPONENT_SHIELD_DEACTIVATED' });
+        });
+
+        this.socket.on('tetris:start-duel', () => {
+            if (this.onStart) this.onStart();
+        });
+
+        this.socket.on('tetris:pause', () => {
+            this.tetrisGame.pause();
+            this.ui.updateButtons();
+            if (this.tetrisGame.isPaused) this.ui.showOverlay('PAUSE');
+            else this.ui.hideOverlay();
+        });
+
+        this.socket.on('tetris:stop', () => {
+            this.tetrisGame.stop();
+            this.ui.updateButtons();
+            this.ui.render();
+            this.ui.showOverlay('STOPPED');
+        });
+
+        this.socket.on('tetris:settings', (data) => {
+            document.getElementById('input-ttd').value       = data.timeToDown;
+            document.getElementById('input-hardening').value = data.hardening;
+            document.getElementById('input-decrement').value = data.decrementTTD;
+            this.tetrisGame.configure(data);
+        });
+    }
+
+    togglePause() {
+        if (!this.isReady) return;
+        this.socket.emit('tetris:pause');
+    }
+
+    stop() {
+        if (!this.isReady) return;
+        this.socket.emit('tetris:stop');
+    }
+
+    syncSettings(settings) {
+        if (!this.isReady) return;
+        this.socket.emit('tetris:settings', settings);
+    }
+
+    // ─── Utilitaires ─────────────────────────
+
+    _buildGarbageLine(holeCol) {
+        return Array.from({ length: 10 }, (_, i) => i === holeCol ? 0 : 8);
+    }
+
+    _emptyGrid() {
+        return Array.from({ length: 20 }, () => Array(10).fill(0));
+    }
+
+    _showOpponentOverlay(title, score) {
+        const overlayEl = document.getElementById('overlay-opponent');
+        document.getElementById('overlay-opponent-title').textContent = title;
+        const scoreEl = document.getElementById('overlay-opponent-score');
+        if (scoreEl) scoreEl.textContent = score !== undefined ? `Score : ${score}` : '';
+        overlayEl.classList.add('visible');
+    }
+
+    hideOpponentOverlay() {
+        document.getElementById('overlay-opponent').classList.remove('visible');
+    }
+}

Transcendence/srcs/frontend/src/tetris/effects.js

@@ -0,0 +1,49 @@
+// ─────────────────────────────────────────────
+// EFFETS VISUELS : SCALING RESPONSIVE + MATRIX RAIN
+// ─────────────────────────────────────────────
+
+// ── Responsive scaling ──
+(function() {
+    const container = document.getElementById('scale-container');
+    const NAT_W = 640;
+    const NAT_H = 1020;
+
+    function resize() {
+        const s = Math.min(window.innerWidth / NAT_W, window.innerHeight / NAT_H);
+        container.style.transform       = 'scale(' + s + ')';
+        container.style.transformOrigin = 'top center';
+        container.style.marginBottom    = ((s - 1) * NAT_H) + 'px';
+    }
+
+    resize();
+    window.addEventListener('resize', resize);
+})();
+
+// ── Matrix rain ──
+(function() {
+    const canvas = document.getElementById('matrix-bg');
+    const ctx    = canvas.getContext('2d');
+    const chars  = 'アイウエオカキクケコサシスセソタチツテトナニヌネノハヒフヘホマミムメモヤユヨラリルレロワヲン0123456789ABCDEF>_{}[]|\\/#@$%^&*01';
+    const fs     = 14;
+    let drops    = [];
+
+    function resize() { canvas.width = window.innerWidth; canvas.height = window.innerHeight; }
+    function initDrops() { drops = Array(Math.floor(canvas.width / fs)).fill(1); }
+
+    resize();
+    initDrops();
+    window.addEventListener('resize', () => { resize(); initDrops(); });
+
+    setInterval(function() {
+        ctx.fillStyle = 'rgba(0,5,0,0.05)';
+        ctx.fillRect(0, 0, canvas.width, canvas.height);
+        ctx.font = fs + 'px monospace';
+        for (let i = 0; i < drops.length; i++) {
+            const ch = chars[Math.floor(Math.random() * chars.length)];
+            ctx.fillStyle = drops[i] * fs < 50 ? '#aaffaa' : '#00ff41';
+            ctx.fillText(ch, i * fs, drops[i] * fs);
+            if (drops[i] * fs > canvas.height && Math.random() > 0.975) drops[i] = 0;
+            drops[i]++;
+        }
+    }, 40);
+})();

Transcendence/srcs/frontend/src/tetris/leaderboard.js

@@ -0,0 +1,124 @@
+// ─────────────────────────────────────────────
+// LEADERBOARDS & HISTORIQUE
+// ─────────────────────────────────────────────
+
+function escapeHtml(str) {
+    return String(str).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
+}
+
+// ── Historique ───────────────────────────────
+
+async function loadGameHistory() {
+    const token = localStorage.getItem('auth_token');
+    if (!token) return;
+    try {
+        const res = await fetch('/api/stats/tetris/history', {
+            headers: { 'Authorization': `Bearer ${token}` }
+        });
+        if (!res.ok) return;
+        renderGameHistory(await res.json());
+    } catch (err) {
+        console.error('Erreur chargement historique:', err);
+    }
+}
+
+function renderGameHistory(history) {
+    const tbody = document.getElementById('lb-history-body');
+    if (!tbody) return;
+    if (!history.length) {
+        tbody.innerHTML = '<tr><td colspan="5">Aucune partie jouée</td></tr>';
+        return;
+    }
+    tbody.innerHTML = history.map((entry, i) => {
+        const date = new Date(entry.played_at).toLocaleDateString('fr-FR', {
+            day: '2-digit', month: '2-digit', year: '2-digit',
+            hour: '2-digit', minute: '2-digit'
+        });
+        const type = entry.game_type === 'duel' ? 'Duel' : 'Solo';
+        let resultHtml = '—';
+        if (entry.result === 'win')  resultHtml = '<span class="hist-win">Victoire</span>';
+        if (entry.result === 'loss') resultHtml = '<span class="hist-loss">Défaite</span>';
+        return `<tr>
+            <td>${i + 1}</td>
+            <td>${date}</td>
+            <td>${type}</td>
+            <td>${entry.score}</td>
+            <td>${resultHtml}</td>
+        </tr>`;
+    }).join('');
+}
+
+// ── Classements ──────────────────────────────
+
+async function loadLeaderboards() {
+    const token = localStorage.getItem('auth_token');
+    if (!token) return;
+    const headers = { 'Authorization': `Bearer ${token}` };
+    try {
+        const [scoresRes, winsRes, meRes, rankScoreRes, rankWinsRes] = await Promise.all([
+            fetch('/api/stats/tetris/leaderboard/score', { headers }),
+            fetch('/api/stats/tetris/leaderboard/wins',  { headers }),
+            fetch('/api/stats/me',                       { headers }),
+            fetch('/api/stats/tetris/rank/score',        { headers }),
+            fetch('/api/stats/tetris/rank/wins',         { headers })
+        ]);
+
+        const me        = meRes.ok        ? await meRes.json()               : null;
+        const rankScore = rankScoreRes.ok ? (await rankScoreRes.json()).rank  : null;
+        const rankWins  = rankWinsRes.ok  ? (await rankWinsRes.json()).rank   : null;
+
+        if (scoresRes.ok) renderLeaderboard('lb-scores-body', await scoresRes.json(), ['tetris_best_score', 'tetris_games_played'], me, rankScore);
+        if (winsRes.ok)   renderLeaderboard('lb-wins-body',   await winsRes.json(),   ['tetris_wins',       'tetris_games_played'], me, rankWins);
+    } catch (err) {
+        console.error('Erreur chargement leaderboards:', err);
+    }
+}
+
+function renderLeaderboard(tbodyId, rows, [col1, col2], me, myRank) {
+    const tbody = document.getElementById(tbodyId);
+    if (!tbody) return;
+    if (!rows.length && !me) {
+        tbody.innerHTML = '<tr><td colspan="4">Aucun résultat</td></tr>';
+        return;
+    }
+
+    const myUsername = me?.username;
+    const inTop = rows.some(r => r.username === myUsername);
+
+    let html = rows.map((r, i) => {
+        const isMe = r.username === myUsername;
+        return `<tr class="${isMe ? 'lb-me' : ''}">
+            <td>${i + 1}</td>
+            <td>${escapeHtml(r.username)}${isMe ? ' <span class="lb-you">(vous)</span>' : ''}</td>
+            <td>${r[col1] ?? 0}</td>
+            <td>${r[col2] ?? 0}</td>
+        </tr>`;
+    }).join('');
+
+    if (!inTop && me && myRank !== null) {
+        html += `<tr class="lb-separator"><td colspan="4">· · ·</td></tr>`;
+        html += `<tr class="lb-me">
+            <td>${myRank}</td>
+            <td>${escapeHtml(myUsername)} <span class="lb-you">(vous)</span></td>
+            <td>${me[col1] ?? 0}</td>
+            <td>${me[col2] ?? 0}</td>
+        </tr>`;
+    }
+
+    tbody.innerHTML = html || '<tr><td colspan="4">Aucun résultat</td></tr>';
+}
+
+// ── Tabs ─────────────────────────────────────
+
+document.querySelectorAll('.lb-tab').forEach(tab => {
+    tab.addEventListener('click', () => {
+        document.querySelectorAll('.lb-tab').forEach(t => t.classList.remove('lb-tab--active'));
+        document.querySelectorAll('.lb-content').forEach(c => c.classList.remove('lb-content--active'));
+        tab.classList.add('lb-tab--active');
+        document.getElementById(`lb-${tab.dataset.tab}`).classList.add('lb-content--active');
+        if (tab.dataset.tab === 'history') loadGameHistory();
+    });
+});
+
+loadLeaderboards();
+loadGameHistory();

Transcendence/srcs/frontend/src/tetris/pieces.js

@@ -0,0 +1,99 @@
+// ─────────────────────────────────────────────
+// PIÈCES
+// ─────────────────────────────────────────────
+
+class Piece {
+    constructor(startX, startY) {
+        this.position = { x: startX, y: startY };
+        this.currentRotation = 0;
+        this.rotations = this.defineRotations();
+        this.shape = this.rotations[0];
+        this.color = this.getColor();
+    }
+    defineRotations() { return [[[1]]]; }
+    getColor()        { return 1; }
+    getPosition()     { return { ...this.position }; }
+    getShape()        { return this.shape; }
+    moveDown()        { this.position.y++; }
+    moveLeft()        { this.position.x--; }
+    moveRight()       { this.position.x++; }
+    rotateLeft() {
+        this.currentRotation = (this.currentRotation - 1 + this.rotations.length) % this.rotations.length;
+        this.shape = this.rotations[this.currentRotation];
+    }
+    rotateRight() {
+        this.currentRotation = (this.currentRotation + 1) % this.rotations.length;
+        this.shape = this.rotations[this.currentRotation];
+    }
+}
+
+class PieceT extends Piece {
+    defineRotations() {
+        return [
+            [[0,1,0],[1,1,1],[0,0,0]],
+            [[0,1,0],[0,1,1],[0,1,0]],
+            [[0,0,0],[1,1,1],[0,1,0]],
+            [[0,1,0],[1,1,0],[0,1,0]]
+        ];
+    }
+    getColor() { return 1; }
+}
+
+class PieceL extends Piece {
+    defineRotations() {
+        return [
+            [[0,0,1],[1,1,1],[0,0,0]],
+            [[0,1,0],[0,1,0],[0,1,1]],
+            [[0,0,0],[1,1,1],[1,0,0]],
+            [[1,1,0],[0,1,0],[0,1,0]]
+        ];
+    }
+    getColor() { return 2; }
+}
+
+class PieceReverseL extends Piece {
+    defineRotations() {
+        return [
+            [[1,0,0],[1,1,1],[0,0,0]],
+            [[0,1,1],[0,1,0],[0,1,0]],
+            [[0,0,0],[1,1,1],[0,0,1]],
+            [[0,1,0],[0,1,0],[1,1,0]]
+        ];
+    }
+    getColor() { return 3; }
+}
+
+class PieceI extends Piece {
+    defineRotations() {
+        return [
+            [[0,0,0,0],[1,1,1,1],[0,0,0,0],[0,0,0,0]],
+            [[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0]]
+        ];
+    }
+    getColor() { return 4; }
+}
+
+class PieceZ extends Piece {
+    defineRotations() {
+        return [
+            [[1,1,0],[0,1,1],[0,0,0]],
+            [[0,0,1],[0,1,1],[0,1,0]]
+        ];
+    }
+    getColor() { return 5; }
+}
+
+class PieceReverseZ extends Piece {
+    defineRotations() {
+        return [
+            [[0,1,1],[1,1,0],[0,0,0]],
+            [[0,1,0],[0,1,1],[0,0,1]]
+        ];
+    }
+    getColor() { return 6; }
+}
+
+class PieceO extends Piece {
+    defineRotations() { return [[[1,1],[1,1]]]; }
+    getColor() { return 7; }
+}

Transcendence/srcs/frontend/src/tetris/renderer.js

@@ -0,0 +1,228 @@
+// ─────────────────────────────────────────────
+// RENDU
+// ─────────────────────────────────────────────
+
+const CELL = 30;
+
+const THEMES = {
+    green: {
+        bg: '#000500', panel: '#000d00', border: '#004400',
+        accent: '#00ff41', accent2: '#39ff14', dim: '#1a5c1a', text: '#00cc26',
+        grid: 'rgba(0,255,65,0.06)', ghost: 'rgba(0,255,65,0.25)', highlight: 'rgba(200,255,200,0.2)',
+        colors: ['#000500','#00ff41','#39ff14','#00e676','#76ff03','#b2ff59','#00ffaa','#ccff00','#2d5a2d']
+    },
+    red: {
+        bg: '#050000', panel: '#0d0000', border: '#440000',
+        accent: '#ff1744', accent2: '#ff4569', dim: '#5c1a1a', text: '#cc2626',
+        grid: 'rgba(255,23,68,0.06)', ghost: 'rgba(255,23,68,0.25)', highlight: 'rgba(255,200,200,0.2)',
+        colors: ['#050000','#ff1744','#ff4569','#e53935','#ff6d00','#ff8a65','#ff5252','#ff6e40','#5a2d2d']
+    },
+    yellow: {
+        bg: '#050500', panel: '#0d0d00', border: '#444400',
+        accent: '#ffd600', accent2: '#ffea00', dim: '#5c5c1a', text: '#ccaa00',
+        grid: 'rgba(255,214,0,0.06)', ghost: 'rgba(255,214,0,0.25)', highlight: 'rgba(255,255,200,0.2)',
+        colors: ['#050500','#ffd600','#ffea00','#ffab00','#fff176','#ffe57f','#ffff00','#ffc400','#5a5a2d']
+    },
+    blue: {
+        bg: '#000005', panel: '#00000d', border: '#000044',
+        accent: '#00b0ff', accent2: '#40c4ff', dim: '#1a1a5c', text: '#2626cc',
+        grid: 'rgba(0,176,255,0.06)', ghost: 'rgba(0,176,255,0.25)', highlight: 'rgba(200,200,255,0.2)',
+        colors: ['#000005','#00b0ff','#40c4ff','#0091ea','#448aff','#82b1ff','#00e5ff','#2979ff','#2d2d5a']
+    }
+};
+
+let currentTheme = THEMES.green;
+let COLORS = [...currentTheme.colors];
+
+function setColorTheme(themeName) {
+    currentTheme = THEMES[themeName] || THEMES.green;
+    COLORS = [...currentTheme.colors];
+    const root = document.documentElement;
+    root.style.setProperty('--bg',      currentTheme.bg);
+    root.style.setProperty('--panel',   currentTheme.panel);
+    root.style.setProperty('--border',  currentTheme.border);
+    root.style.setProperty('--accent',  currentTheme.accent);
+    root.style.setProperty('--accent2', currentTheme.accent2);
+    root.style.setProperty('--dim',     currentTheme.dim);
+    root.style.setProperty('--text',    currentTheme.text);
+    localStorage.setItem('tetris-theme', themeName);
+    document.querySelectorAll('.theme-btn').forEach(btn => {
+        btn.classList.toggle('active', btn.dataset.theme === themeName);
+    });
+}
+
+const ctxMain     = document.getElementById('canvas-main').getContext('2d');
+const ctxNext     = document.getElementById('canvas-next').getContext('2d');
+const ctxHold     = document.getElementById('canvas-hold').getContext('2d');
+const ctxOpponent = document.getElementById('canvas-opponent').getContext('2d');
+
+function drawCell(ctx, x, y, colorIndex, size) {
+    const p = 1;
+    const color = COLORS[colorIndex];
+    ctx.fillStyle = color;
+    ctx.fillRect(x * size + p, y * size + p, size - p * 2, size - p * 2);
+    ctx.shadowColor = color;
+    ctx.shadowBlur  = 6;
+    ctx.fillStyle = color;
+    ctx.fillRect(x * size + p + 2, y * size + p + 2, size - p * 2 - 4, size - p * 2 - 4);
+    ctx.shadowBlur = 0;
+    ctx.fillStyle = currentTheme.highlight;
+    ctx.fillRect(x * size + p, y * size + p, size - p * 2, 2);
+    ctx.fillRect(x * size + p, y * size + p, 2, size - p * 2);
+    ctx.fillStyle = 'rgba(0,0,0,0.5)';
+    ctx.fillRect(x * size + p, (y + 1) * size - p - 2, size - p * 2, 2);
+    ctx.fillRect((x + 1) * size - p - 2, y * size + p, 2, size - p * 2);
+}
+
+function clearCanvas(ctx, w, h) {
+    ctx.fillStyle = currentTheme.bg;
+    ctx.fillRect(0, 0, w, h);
+}
+
+function drawGridLines(ctx, cols, rows, size) {
+    ctx.strokeStyle = currentTheme.grid;
+    ctx.lineWidth   = 1;
+    for (let x = 0; x <= cols; x++) {
+        ctx.beginPath(); ctx.moveTo(x * size, 0); ctx.lineTo(x * size, rows * size); ctx.stroke();
+    }
+    for (let y = 0; y <= rows; y++) {
+        ctx.beginPath(); ctx.moveTo(0, y * size); ctx.lineTo(cols * size, y * size); ctx.stroke();
+    }
+}
+
+function drawGhost(ctx, piece, grid) {
+    if (!piece) return;
+    const ghost = { x: piece.getPosition().x, y: piece.getPosition().y };
+    const shape = piece.getShape();
+
+    while (true) {
+        ghost.y++;
+        let valid = true;
+        for (let row = 0; row < shape.length && valid; row++)
+            for (let col = 0; col < shape[row].length && valid; col++)
+                if (shape[row][col] !== 0) {
+                    const ny = ghost.y + row;
+                    const nx = ghost.x + col;
+                    if (ny < 0 || ny >= grid.length || nx < 0 || nx >= grid[ny].length || grid[ny][nx] !== 0) valid = false;
+                }
+        if (!valid) { ghost.y--; break; }
+    }
+
+    if (ghost.y === piece.getPosition().y) return;
+
+    ctx.strokeStyle = currentTheme.ghost;
+    ctx.lineWidth   = 1;
+    for (let row = 0; row < shape.length; row++)
+        for (let col = 0; col < shape[row].length; col++)
+            if (shape[row][col] !== 0)
+                ctx.strokeRect(
+                    (ghost.x + col) * CELL + 2,
+                    (ghost.y + row) * CELL + 2,
+                    CELL - 4, CELL - 4
+                );
+}
+
+function drawMiniPiece(ctx, piece, canvasW, canvasH) {
+    clearCanvas(ctx, canvasW, canvasH);
+    if (!piece) return;
+    const shape   = piece.getShape();
+    const color   = piece.getColor();
+    const s       = 20;
+    const offsetX = Math.floor((canvasW / s - shape[0].length) / 2);
+    const offsetY = Math.floor((canvasH / s - shape.length) / 2);
+    for (let row = 0; row < shape.length; row++)
+        for (let col = 0; col < shape[row].length; col++)
+            if (shape[row][col] !== 0)
+                drawCell(ctx, offsetX + col, offsetY + row, color, s);
+}
+
+function _drawShieldOverlay(ctx, w, h, alpha) {
+    ctx.save();
+    ctx.strokeStyle = `rgba(0,212,255,${alpha})`;
+    ctx.lineWidth   = 4;
+    ctx.shadowColor = '#00d4ff';
+    ctx.shadowBlur  = 16;
+    ctx.strokeRect(2, 2, w - 4, h - 4);
+    ctx.shadowBlur  = 0;
+    ctx.restore();
+}
+
+// ── Rendu joueur local ────────────────────────────────────────────────────────
+// Prend l'objet game explicitement — aucun accès à des globaux externes.
+
+function render(game) {
+    clearCanvas(ctxMain, 300, 600);
+    drawGridLines(ctxMain, 10, 20, CELL);
+
+    for (let y = 0; y < game.grid.length; y++)
+        for (let x = 0; x < game.grid[y].length; x++)
+            if (game.grid[y][x] !== 0)
+                drawCell(ctxMain, x, y, game.grid[y][x], CELL);
+
+    if (game.currentPiece) {
+        drawGhost(ctxMain, game.currentPiece, game.grid);
+        const { x, y } = game.currentPiece.getPosition();
+        const shape     = game.currentPiece.getShape();
+        const color     = game.currentPiece.getColor();
+        for (let row = 0; row < shape.length; row++)
+            for (let col = 0; col < shape[row].length; col++)
+                if (shape[row][col] !== 0)
+                    drawCell(ctxMain, x + col, y + row, color, CELL);
+    }
+
+    if (game.shieldActive) {
+        const pulse = 0.6 + 0.4 * Math.sin(Date.now() / 150);
+        _drawShieldOverlay(ctxMain, 300, 600, pulse);
+    }
+
+    drawMiniPiece(ctxNext, game.nextPiece,   100, 80);
+    drawMiniPiece(ctxHold, game.storedPiece, 100, 80);
+
+    document.getElementById('score-display').textContent = game.score;
+
+    const shieldEl  = document.getElementById('shield-status-display');
+    const shieldBar = document.getElementById('shield-bar');
+    if (shieldEl) {
+        if (game.shieldActive) {
+            const secs = Math.ceil(game.shieldActiveMs / 1000);
+            shieldEl.textContent = `ACTIF ${secs}s`;
+            shieldEl.className   = 'score-value shield-active';
+            if (shieldBar) shieldBar.style.width = (game.shieldActiveMs / 3000 * 100) + '%';
+        } else if (game.shieldReady) {
+            shieldEl.textContent = 'PRÊT';
+            shieldEl.className   = 'score-value shield-ready';
+            if (shieldBar) shieldBar.style.width = '100%';
+        } else {
+            const secs = Math.ceil(game.shieldCooldownMs / 1000);
+            shieldEl.textContent = `${secs}s`;
+            shieldEl.className   = 'score-value shield-cooldown';
+            if (shieldBar) shieldBar.style.width = ((1 - game.shieldCooldownMs / 60000) * 100) + '%';
+        }
+    }
+}
+
+// ── Rendu adversaire ─────────────────────────────────────────────────────────
+// Prend grid et shieldActive explicitement — aucun accès à l'objet duel global.
+
+function renderOpponent(grid, shieldActive) {
+    clearCanvas(ctxOpponent, 300, 600);
+    drawGridLines(ctxOpponent, 10, 20, CELL);
+    for (let y = 0; y < grid.length; y++)
+        for (let x = 0; x < grid[y].length; x++)
+            if (grid[y][x] !== 0)
+                drawCell(ctxOpponent, x, y, grid[y][x], CELL);
+
+    if (shieldActive) {
+        const pulse = 0.6 + 0.4 * Math.sin(Date.now() / 150);
+        _drawShieldOverlay(ctxOpponent, 300, 600, pulse);
+    }
+
+    const oppShieldEl = document.getElementById('opponent-shield-indicator');
+    if (oppShieldEl) oppShieldEl.style.display = shieldActive ? 'block' : 'none';
+}
+
+// Restaure le thème sauvegardé
+(function() {
+    const saved = localStorage.getItem('tetris-theme');
+    if (saved && THEMES[saved]) setColorTheme(saved);
+})();

Transcendence/srcs/frontend/src/tetris/tetris.css

@@ -0,0 +1,686 @@
+:root {
+    --bg:     #000500;
+    --panel:  #000d00;
+    --border: #004400;
+    --accent: #00ff41;
+    --accent2:#39ff14;
+    --dim:    #1a5c1a;
+    --text:   #00cc26;
+}
+
+@keyframes flicker {
+    0%, 89%, 91%, 93%, 95%, 100% { opacity: 1; }
+    90%, 92%, 94% { opacity: 0.82; }
+}
+
+@keyframes glitch-before {
+    0%, 100% { clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); transform: translate(0); }
+    5%  { clip-path: polygon(0 15%, 100% 15%, 100% 25%, 0 25%); transform: translate(-4px, 0); color: #ff003c; }
+    10% { clip-path: polygon(0 60%, 100% 60%, 100% 70%, 0 70%); transform: translate(4px, 0); color: #ff003c; }
+    15%, 85% { clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); transform: translate(0); }
+    90% { clip-path: polygon(0 40%, 100% 40%, 100% 55%, 0 55%); transform: translate(-3px, 0); color: #ff003c; }
+}
+
+@keyframes glitch-after {
+    0%, 100% { clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); transform: translate(0); }
+    5%  { clip-path: polygon(0 70%, 100% 70%, 100% 80%, 0 80%); transform: translate(4px, 0); color: #00ffff; }
+    10% { clip-path: polygon(0 30%, 100% 30%, 100% 45%, 0 45%); transform: translate(-4px, 0); color: #00ffff; }
+    15%, 85% { clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); transform: translate(0); }
+    90% { clip-path: polygon(0 10%, 100% 10%, 100% 25%, 0 25%); transform: translate(3px, 0); color: #00ffff; }
+}
+
+@keyframes cursor-blink {
+    0%, 100% { opacity: 1; }
+    50% { opacity: 0; }
+}
+
+@keyframes scan {
+    0%   { background-position: 0 0; }
+    100% { background-position: 0 100%; }
+}
+
+* { margin: 0; padding: 0; box-sizing: border-box; }
+
+body {
+    background: var(--bg);
+    font-family: 'Share Tech Mono', monospace;
+    color: var(--text);
+    min-height: 100vh;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: flex-start;
+    overflow: hidden;
+    animation: flicker 8s infinite;
+}
+
+#scale-container {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    width: max-content;
+    position: relative;
+    z-index: 1;
+    /* transform et margin-bottom gérés par JS */
+}
+
+/* Grid lines */
+body::before {
+    content: '';
+    position: fixed;
+    inset: 0;
+    background-image:
+        linear-gradient(rgba(0,255,65,0.04) 1px, transparent 1px),
+        linear-gradient(90deg, rgba(0,255,65,0.04) 1px, transparent 1px);
+    background-size: 40px 40px;
+    pointer-events: none;
+    z-index: 0;
+}
+
+/* Scanlines CRT */
+body::after {
+    content: '';
+    position: fixed;
+    inset: 0;
+    background: repeating-linear-gradient(
+        0deg,
+        transparent,
+        transparent 2px,
+        rgba(0, 0, 0, 0.12) 2px,
+        rgba(0, 0, 0, 0.12) 4px
+    );
+    pointer-events: none;
+    z-index: 9998;
+}
+
+h1 {
+    font-family: 'Share Tech Mono', monospace;
+    font-weight: 900;
+    font-size: 2.2rem;
+    letter-spacing: 0.4em;
+    color: var(--accent);
+    text-shadow: 0 0 10px var(--accent), 0 0 30px var(--accent), 0 0 60px rgba(0,255,65,0.4);
+    margin-bottom: 20px;
+    position: relative;
+    z-index: 1;
+}
+
+h1::before {
+    content: attr(data-text);
+    position: absolute;
+    top: 0; left: 0; width: 100%;
+    color: var(--accent);
+    animation: glitch-before 6s infinite;
+}
+
+h1::after {
+    content: attr(data-text);
+    position: absolute;
+    top: 0; left: 0; width: 100%;
+    color: var(--accent);
+    animation: glitch-after 6s infinite;
+}
+
+.cursor {
+    animation: cursor-blink 1s step-end infinite;
+    color: var(--accent);
+}
+
+/* ── Zone de jeu globale ── */
+#game-area {
+    display: flex;
+    gap: 32px;
+    align-items: flex-start;
+    position: relative;
+    z-index: 1;
+}
+
+/* ── Section locale ── */
+#local-section {
+    display: flex;
+    flex-direction: column;
+    align-items: flex-start;
+}
+
+#app {
+    display: flex;
+    gap: 16px;
+    align-items: flex-start;
+}
+
+/* ── Section adversaire ── */
+#opponent-section {
+    display: none;   /* masqué jusqu'à connexion duel */
+    gap: 16px;
+    align-items: flex-start;
+}
+#opponent-section.visible {
+    display: flex;
+}
+
+.opponent-info-panel {
+    width: 130px;
+}
+
+/* ── Panneaux ── */
+.panel {
+    background: var(--panel);
+    border: 1px solid var(--border);
+    border-radius: 0;
+    padding: 14px;
+    width: 130px;
+    box-shadow: 0 0 20px rgba(0,255,65,0.07), inset 0 0 20px rgba(0,0,0,0.5);
+}
+
+.panel-title {
+    font-family: 'Orbitron', monospace;
+    font-size: 0.6rem;
+    letter-spacing: 0.2em;
+    color: var(--accent);
+    text-transform: uppercase;
+    margin-bottom: 10px;
+    text-align: center;
+}
+
+canvas { display: block; border-radius: 0; }
+
+#canvas-main {
+    border: 1px solid var(--accent);
+    box-shadow: 0 0 20px rgba(0,255,65,0.15), 0 0 40px rgba(0,255,65,0.06), inset 0 0 30px rgba(0,0,0,0.7);
+}
+
+#canvas-next, #canvas-hold {
+    border: 1px solid var(--border);
+    margin: 0 auto;
+}
+
+/* ── Canvas adversaire ── */
+#canvas-opponent {
+    border: 1px solid var(--accent2);
+    box-shadow: 0 0 20px rgba(57,255,20,0.12), inset 0 0 30px rgba(0,0,0,0.5);
+}
+
+/* ── Score ── */
+.score-block {
+    margin-top: 14px;
+    text-align: center;
+}
+
+.score-label {
+    font-size: 0.55rem;
+    letter-spacing: 0.2em;
+    color: var(--dim);
+    text-transform: uppercase;
+    margin-bottom: 4px;
+}
+
+.score-value {
+    font-family: 'Orbitron', monospace;
+    font-size: 1.4rem;
+    font-weight: 700;
+    color: var(--accent);
+    text-shadow: 0 0 10px var(--accent);
+}
+
+/* ── Boutons ── */
+.btn-group {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+    margin-top: 14px;
+}
+
+#btn-home {
+    color: var(--text);
+}
+
+button {
+    font-family: 'Share Tech Mono', monospace;
+    font-size: 0.6rem;
+    letter-spacing: 0.12em;
+    font-weight: 700;
+    text-transform: uppercase;
+    padding: 10px 8px;
+    border: 1px solid;
+    border-radius: 0;
+    cursor: pointer;
+    transition: all 0.15s;
+    background: transparent;
+    width: 100%;
+}
+
+#btn-start  { 
+    color: var(--accent);  
+    border-color: var(--accent); 
+}
+
+#btn-start:hover:not(:disabled)  
+{
+    background: var(--accent);  
+    color: var(--bg); 
+    box-shadow: 0 0 15px var(--accent); 
+}
+
+#btn-restart {
+    color: var(--accent2);  
+    border-color: var(--accent2);
+}
+
+#btn-restart:hover:not(:disabled){
+    background: var(--accent2);  
+    color: var(--bg); 
+    box-shadow: 0 0 15px var(--accent2); 
+}
+
+#btn-pause  {
+     color: var(--accent2); 
+     border-color: var(--accent2); 
+}
+#btn-pause:hover:not(:disabled)  {
+    background: var(--accent2);
+    color: var(--bg); box-shadow: 0 0 15px var(--accent2);
+}
+
+#btn-stop   { color: #ef4444;        border-color: #ef4444; }
+#btn-stop:hover:not(:disabled)   { background: #ef4444;        color: var(--bg); box-shadow: 0 0 15px #ef4444; }
+
+button:disabled { opacity: 0.3; cursor: not-allowed; }
+
+/* ── Contrôles ── */
+.controls-list {
+    margin-top: 14px;
+    font-size: 0.6rem;
+    line-height: 2;
+    color: var(--dim);
+}
+.controls-list span { color: var(--text); }
+
+/* ── Overlays ── */
+#main-wrapper,
+#opponent-wrapper { position: relative; }
+
+#overlay,
+#overlay-opponent {
+    display: none;
+    position: absolute;
+    top: 0; left: 0;
+    width: 300px;
+    height: 600px;
+    background: rgba(0,5,0,0.9);
+    border-radius: 0;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    gap: 12px;
+    z-index: 10;
+    pointer-events: none;
+}
+#overlay.visible,
+#overlay-opponent.visible { display: flex; }
+
+#overlay-title {
+    font-family: 'Share Tech Mono', monospace;
+    font-size: 1.4rem;
+    font-weight: 900;
+    letter-spacing: 0.2em;
+    color: #ff003c;
+    text-shadow: 0 0 20px #ff003c, 0 0 40px #ff003c;
+}
+
+#overlay-score {
+    font-family: 'Share Tech Mono', monospace;
+    font-size: 0.9rem;
+    color: var(--accent);
+    text-shadow: 0 0 10px var(--accent);
+}
+
+#overlay-opponent-title {
+    font-family: 'Share Tech Mono', monospace;
+    font-size: 1.4rem;
+    font-weight: 900;
+    letter-spacing: 0.2em;
+    color: var(--accent);
+    text-shadow: 0 0 20px var(--accent);
+}
+
+#overlay-opponent-score {
+    font-family: 'Share Tech Mono', monospace;
+    font-size: 0.9rem;
+    color: var(--accent2);
+}
+
+/* ── Panneau duel ── */
+#duel-panel {
+    background: var(--panel);
+    border: 1px solid var(--border);
+    border-radius: 0;
+    padding: 12px 20px;
+    margin-bottom: 14px;
+    position: relative;
+    z-index: 1;
+    display: flex;
+    align-items: center;
+    gap: 14px;
+    box-shadow: 0 0 20px rgba(0,255,65,0.04);
+}
+
+.duel-row {
+    display: flex;
+    gap: 8px;
+    align-items: center;
+}
+
+#input-room-code {
+    background: var(--bg);
+    border: 1px solid var(--border);
+    border-radius: 4px;
+    color: var(--accent2);
+    font-family: 'Orbitron', monospace;
+    font-size: 0.7rem;
+    letter-spacing: 0.15em;
+    padding: 6px 10px;
+    width: 120px;
+    text-transform: uppercase;
+    outline: none;
+    transition: border-color 0.2s;
+}
+#input-room-code:focus {
+    border-color: var(--accent2);
+    box-shadow: 0 0 8px rgba(255,0,170,0.2);
+}
+
+#btn-join-duel  { color: var(--accent2); border-color: var(--accent2); width: auto; padding: 6px 14px; }
+#btn-join-duel:hover:not(:disabled) { background: var(--accent2); color: var(--bg); box-shadow: 0 0 12px var(--accent2); }
+
+#btn-leave-duel { color: #ef4444; border-color: #ef4444; width: auto; padding: 6px 14px; }
+#btn-leave-duel:hover:not(:disabled) { background: #ef4444; color: var(--bg); box-shadow: 0 0 12px #ef4444; }
+
+#duel-status {
+    font-size: 0.6rem;
+    letter-spacing: 0.1em;
+    color: var(--dim);
+    min-width: 120px;
+}
+#duel-status.waiting { color: #f97316; }
+#duel-status.ready   { color: var(--accent); }
+
+/* ── Colonne gauche (panel + settings empilés) ── */
+#left-column {
+    display: flex;
+    flex-direction: column;
+    gap: 16px;
+    width: 130px;
+    flex-shrink: 0;
+}
+
+/* ── Settings Panel ── */
+#settings-panel {
+    background: var(--panel);
+    border: 1px solid var(--border);
+    border-radius: 0;
+    padding: 14px;
+    box-shadow: 0 0 20px rgba(0,255,65,0.05);
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+    width: 130px;
+}
+
+.settings-title {
+    font-family: 'Orbitron', monospace;
+    font-size: 0.6rem;
+    letter-spacing: 0.2em;
+    color: var(--accent);
+    text-transform: uppercase;
+    text-align: center;
+    margin-bottom: 4px;
+}
+
+.settings-row {
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+    font-size: 0.55rem;
+    color: var(--dim);
+    letter-spacing: 0.05em;
+}
+
+/* ── Theme color picker ── */
+.theme-btns {
+    display: flex;
+    gap: 6px;
+    margin-top: 2px;
+}
+
+.theme-btn {
+    width: 22px;
+    height: 22px;
+    min-width: 22px;
+    padding: 0;
+    border-radius: 50%;
+    border: 2px solid transparent;
+    cursor: pointer;
+    transition: transform 0.15s, box-shadow 0.15s;
+}
+
+.theme-btn[data-theme="green"]  { background: #00ff41; }
+.theme-btn[data-theme="red"]    { background: #ff1744; }
+.theme-btn[data-theme="yellow"] { background: #ffd600; }
+.theme-btn[data-theme="blue"]   { background: #00b0ff; }
+
+.theme-btn:hover { transform: scale(1.2); }
+
+.theme-btn.active {
+    border-color: #ffffff;
+    box-shadow: 0 0 8px currentColor;
+    transform: scale(1.15);
+}
+
+#settings-panel input[type="number"] {
+    background: var(--bg);
+    border: 1px solid var(--border);
+    border-radius: 4px;
+    color: var(--accent);
+    font-family: 'Orbitron', monospace;
+    font-size: 0.65rem;
+    padding: 4px 8px;
+    width: 100%;
+    text-align: right;
+    outline: none;
+    transition: border-color 0.2s;
+}
+
+#settings-panel input[type="number"]:focus {
+    border-color: var(--accent);
+    box-shadow: 0 0 8px rgba(0,255,231,0.2);
+}
+
+#settings-panel input[type="number"]:disabled {
+    opacity: 0.3;
+    cursor: not-allowed;
+}
+
+/* ── Matchmaking ── */
+#btn-matchmaking, #btn-matchmaking-cancel {
+    background: transparent;
+    border: 1px solid var(--accent2);
+    border-radius: 4px;
+    color: var(--accent2);
+    font-family: 'Share Tech Mono', monospace;
+    font-size: 0.65rem;
+    padding: 5px 10px;
+    cursor: pointer;
+    transition: background 0.2s, box-shadow 0.2s;
+    flex: 1;
+}
+
+#btn-matchmaking:hover:not(:disabled) {
+    background: rgba(255,0,170,0.15);
+    box-shadow: 0 0 8px rgba(255,0,170,0.3);
+}
+
+#btn-matchmaking-cancel {
+    border-color: var(--dim);
+    color: var(--dim);
+}
+
+#btn-matchmaking-cancel:not(:disabled) {
+    border-color: var(--accent2);
+    color: var(--accent2);
+}
+
+#btn-matchmaking:disabled, #btn-matchmaking-cancel:disabled {
+    opacity: 0.3;
+    cursor: not-allowed;
+}
+
+#matchmaking-status {
+    font-size: 0.6rem;
+    min-height: 1rem;
+    text-align: center;
+    letter-spacing: 0.05em;
+}
+
+#matchmaking-status.waiting { color: #ffcc00; }
+#matchmaking-status.ready   { color: var(--accent); }
+
+/* ── Leaderboards ── */
+#leaderboard-section {
+    position: relative;
+    z-index: 1;
+    width: 100%;
+    max-width: 620px;
+    margin: 20px auto 30px;
+    background: var(--panel);
+    border: 1px solid var(--border);
+    border-radius: 0;
+    overflow: hidden;
+    box-shadow: 0 0 20px rgba(0,255,65,0.05);
+}
+
+.leaderboard-tabs {
+    display: flex;
+    border-bottom: 1px solid var(--border);
+}
+
+.lb-tab {
+    flex: 1;
+    background: transparent;
+    border: none;
+    color: var(--dim);
+    font-family: 'Orbitron', monospace;
+    font-size: 0.6rem;
+    letter-spacing: 0.1em;
+    text-transform: uppercase;
+    padding: 10px;
+    cursor: pointer;
+    transition: color 0.2s, background 0.2s;
+}
+
+.lb-tab:hover { color: var(--text); }
+
+.lb-tab--active {
+    color: var(--accent);
+    background: rgba(0,255,65,0.05);
+    border-bottom: 2px solid var(--accent);
+}
+
+.lb-content { display: none; }
+.lb-content--active { display: block; }
+
+.lb-table {
+    width: 100%;
+    border-collapse: collapse;
+    font-size: 0.7rem;
+}
+
+.lb-table th {
+    text-align: left;
+    padding: 8px 12px;
+    color: var(--accent);
+    font-family: 'Orbitron', monospace;
+    font-size: 0.55rem;
+    letter-spacing: 0.1em;
+    text-transform: uppercase;
+    border-bottom: 1px solid var(--border);
+}
+
+.lb-table td {
+    padding: 7px 12px;
+    border-bottom: 1px solid rgba(26,26,62,0.5);
+    color: var(--text);
+}
+
+.lb-table tr:last-child td { border-bottom: none; }
+
+.lb-table tr:hover td {
+    background: rgba(0,255,231,0.03);
+}
+
+.lb-table tr.lb-me td {
+    background: rgba(0,255,231,0.07);
+    color: var(--accent);
+}
+
+.lb-you {
+    color: var(--dim);
+    font-size: 0.6rem;
+}
+
+.lb-table tr.lb-separator td {
+    text-align: center;
+    color: var(--dim);
+    padding: 4px;
+    font-size: 0.6rem;
+    border-bottom: none;
+}
+
+.lb-table td:first-child {
+    color: var(--dim);
+    font-size: 0.6rem;
+    width: 30px;
+}
+
+.hist-win {
+    color: var(--accent);
+    font-weight: bold;
+}
+
+.hist-loss {
+    color: var(--accent2);
+}
+
+body { overflow: hidden; }
+
+
+/* ── Shield ───────────────────────────────── */
+.shield-bar-bg {
+    width: 100%;
+    height: 4px;
+    background: rgba(0,212,255,0.15);
+    border-radius: 2px;
+    margin-top: 4px;
+    overflow: hidden;
+}
+
+.shield-bar {
+    height: 100%;
+    background: #00d4ff;
+    border-radius: 2px;
+    transition: width 0.1s linear;
+    box-shadow: 0 0 6px #00d4ff;
+}
+
+.shield-ready   { color: #00d4ff !important; }
+.shield-active  { color: #00ffff !important; text-shadow: 0 0 8px #00ffff; }
+.shield-cooldown { color: var(--dim) !important; }
+
+kbd {
+    display: inline-block;
+    padding: 0 3px;
+    border: 1px solid var(--border);
+    border-radius: 2px;
+    font-size: 0.6rem;
+    font-family: inherit;
+    color: var(--dim);
+}

Transcendence/srcs/frontend/src/tetris/tetris.html

@@ -0,0 +1,185 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>TETRIS</title>
+    <link href="https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&display=swap" rel="stylesheet">
+    <link rel="stylesheet" href="tetris.css">
+</head>
+<body>
+
+<canvas id="matrix-bg" style="position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;opacity:0.13;"></canvas>
+
+<div id="scale-container">
+
+<h1 data-text="TETRIS">TETRIS<span class="cursor">_</span></h1>
+
+<a id="btn-home" href="/">Home</a>
+
+<!-- Panneau duel -->
+<div id="duel-panel">
+    <span class="settings-title">Duel</span>
+    <div class="duel-row">
+        <input id="input-room-code" placeholder="Code de salle" maxlength="8" spellcheck="false">
+        <button id="btn-join-duel">Rejoindre</button>
+        <button id="btn-leave-duel" disabled>Quitter</button>
+    </div>
+    <div class="duel-row">
+        <button id="btn-matchmaking">Trouver un adversaire</button>
+        <button id="btn-matchmaking-cancel" disabled>Annuler</button>
+    </div>
+    <div id="matchmaking-status"></div>
+    <div id="duel-status">—</div>
+</div>
+
+<div id="game-area">
+
+    <!-- ── JOUEUR LOCAL ── -->
+    <div id="local-section">
+        <div id="app">
+
+            <!-- Colonne gauche : Hold + Score + Boutons + Paramètres -->
+            <div id="left-column">
+                <div class="panel">
+                    <div class="panel-title">Hold</div>
+                    <canvas id="canvas-hold" width="100" height="80"></canvas>
+
+                    <div class="score-block">
+                        <div class="score-label">Score</div>
+                        <div class="score-value" id="score-display">0</div>
+                    </div>
+
+                    <div class="score-block">
+                        <div class="score-label">Shield <kbd>E</kbd></div>
+                        <div class="score-value shield-ready" id="shield-status-display">PRÊT</div>
+                        <div class="shield-bar-bg"><div class="shield-bar" id="shield-bar"></div></div>
+                    </div>
+
+                    <div class="btn-group">
+                        <button id="btn-start">Start</button>
+                        <button id="btn-pause" disabled>Pause</button>
+                        <button id="btn-stop"  disabled>Stop</button>
+                    </div>
+                </div>
+
+                <!-- Paramètres -->
+                <div id="settings-panel">
+                    <div class="settings-title">Paramètres</div>
+                    <div class="settings-row">
+                        <label>Couleur</label>
+                        <div class="theme-btns">
+                            <button class="theme-btn active" data-theme="green"  title="Vert"></button>
+                            <button class="theme-btn"        data-theme="red"    title="Rouge"></button>
+                            <button class="theme-btn"        data-theme="yellow" title="Jaune"></button>
+                            <button class="theme-btn"        data-theme="blue"   title="Bleu"></button>
+                        </div>
+                    </div>
+                    <div class="settings-row">
+                        <label for="input-ttd">Vitesse initiale (ms)</label>
+                        <input type="number" id="input-ttd" min="100" max="3000" step="50" value="1000">
+                    </div>
+                    <div class="settings-row">
+                        <label for="input-hardening">Points avant accélération</label>
+                        <input type="number" id="input-hardening" min="100" max="5000" step="100" value="1000">
+                    </div>
+                    <div class="settings-row">
+                        <label for="input-decrement">Réduction vitesse (ms)</label>
+                        <input type="number" id="input-decrement" min="10" max="500" step="10" value="100">
+                    </div>
+                </div>
+            </div>
+
+            <!-- Grille principale -->
+            <div id="main-wrapper">
+                <canvas id="canvas-main" width="300" height="600"></canvas>
+                <div id="overlay">
+                    <div id="overlay-title">GAME OVER</div>
+                    <div id="overlay-score"></div>
+                </div>
+            </div>
+
+            <!-- Panneau droit : Next + Contrôles -->
+            <div class="panel">
+                <div class="panel-title">Next</div>
+                <canvas id="canvas-next" width="100" height="80"></canvas>
+
+                <div class="controls-list">
+                    <div><span>← →</span> Déplacer</div>
+                    <div><span>↓</span> Descendre</div>
+                    <div><span>Q</span> Rot. gauche</div>
+                    <div><span>W</span> Rot. droite</div>
+                    <div><span>Espace</span> Drop</div>
+                    <div><span>C</span> Hold</div>
+                    <div><span>E</span> Shield</div>
+                </div>
+            </div>
+
+        </div>
+    </div>
+
+    <!-- ── JOUEUR ADVERSAIRE ── -->
+    <div id="opponent-section">
+        <div class="panel opponent-info-panel">
+            <div class="panel-title" id="opponent-name">Adversaire</div>
+            <div class="score-block">
+                <div class="score-label">Score</div>
+                <div class="score-value" id="opponent-score">—</div>
+            </div>
+            <div id="opponent-shield-indicator" style="display:none;color:#00d4ff;font-size:0.75rem;text-align:center;letter-spacing:1px;margin-top:4px;">&#x1F6E1; SHIELD ACTIF</div>
+        </div>
+
+        <div id="opponent-wrapper">
+            <canvas id="canvas-opponent" width="300" height="600"></canvas>
+            <div id="overlay-opponent">
+                <div id="overlay-opponent-title"></div>
+                <div id="overlay-opponent-score"></div>
+            </div>
+        </div>
+    </div>
+
+</div>
+
+<!-- ── LEADERBOARDS ── -->
+<div id="leaderboard-section">
+    <div class="leaderboard-tabs">
+        <button class="lb-tab lb-tab--active" data-tab="scores">Meilleurs scores</button>
+        <button class="lb-tab" data-tab="wins">Duels gagnés</button>
+        <button class="lb-tab" data-tab="history">Mes parties</button>
+    </div>
+
+    <div id="lb-scores" class="lb-content lb-content--active">
+        <table class="lb-table">
+            <thead><tr><th>#</th><th>Joueur</th><th>Meilleur score</th><th>Parties</th></tr></thead>
+            <tbody id="lb-scores-body"><tr><td colspan="4">Chargement…</td></tr></tbody>
+        </table>
+    </div>
+
+    <div id="lb-wins" class="lb-content">
+        <table class="lb-table">
+            <thead><tr><th>#</th><th>Joueur</th><th>Victoires</th><th>Parties</th></tr></thead>
+            <tbody id="lb-wins-body"><tr><td colspan="4">Chargement…</td></tr></tbody>
+        </table>
+    </div>
+
+    <div id="lb-history" class="lb-content">
+        <table class="lb-table">
+            <thead><tr><th>#</th><th>Date</th><th>Type</th><th>Score</th><th>Résultat</th></tr></thead>
+            <tbody id="lb-history-body"><tr><td colspan="5">Chargement…</td></tr></tbody>
+        </table>
+    </div>
+</div>
+
+</div><!-- #scale-container -->
+
+<script src="/socket.io/socket.io.js"></script>
+<script src="pieces.js"></script>
+<script src="tetris.js"></script>
+<script src="renderer.js"></script>
+<script src="duel.js"></script>
+<script src="leaderboard.js"></script>
+<script src="ui.js"></script>
+<script src="effects.js"></script>
+
+</body>
+</html>

Transcendence/srcs/frontend/src/tetris/tetris.js

@@ -0,0 +1,452 @@
+// ─────────────────────────────────────────────
+// LOGIQUE TETRIS
+// ───────────────────────────────────────────
+
+class Tetris {
+    constructor(onRender, onGameOver, onBlockPlaced = null, onLinesCleared = null, onShieldChanged = null) {
+        this.onRender       = onRender;
+        this.onGameOver     = onGameOver;
+        this.onBlockPlaced  = onBlockPlaced;
+        this.onLinesCleared = onLinesCleared;
+        this.onShieldChanged = onShieldChanged;
+
+        this.grid         = this._createGrid(10, 20);
+        this.bufferGrid   = this._createGrid(10, 5);
+        this.currentPiece = null;
+        this.storedPiece  = null;
+        this.nextPiece    = null;
+
+        this.score            = 0;
+        this.initialTimeToDown = 1000;
+        this.timeToDown       = 1000;
+        this.hardening        = 1000;
+        this.count            = 0;
+        this.decrementTTD     = 100;
+
+        this.lastLandingCol = 4;
+
+        this.isRunning = false;
+        this.isPaused  = false;
+        this.canStore  = true;
+
+        // Shield
+        this.shieldActive     = false;
+        this.shieldActiveMs   = 0;
+        this.shieldCooldownMs = 0;
+        this.shieldReady      = true;   // prêt dès le début
+
+        this.animationFrameId = null;
+        this.lastTime         = 0;
+        this.accumulator      = 0;
+
+        this._keyHandler = this._handleKey.bind(this);
+    }
+
+    configure({ timeToDown, hardening, decrementTTD }) {
+        if (timeToDown   !== undefined) this.initialTimeToDown = this.timeToDown = timeToDown;
+        if (hardening    !== undefined) this.hardening    = hardening;
+        if (decrementTTD !== undefined) this.decrementTTD = decrementTTD;
+    }
+
+    _createGrid(w, h) {
+        return Array.from({ length: h }, () => Array(w).fill(0));
+    }
+
+    start() {
+        if (this.isRunning) return;
+        this.isRunning  = true;
+        this.isPaused   = false;
+        this.grid       = this._createGrid(10, 20);
+        this.score      = 0;
+        this.count      = 0;
+        this.timeToDown = this.initialTimeToDown;
+        this.storedPiece = null;
+        this.canStore    = true;
+        this.shieldActive     = false;
+        this.shieldActiveMs   = 0;
+        this.shieldCooldownMs = 0;
+        this.shieldReady      = true;
+        this._spawnNewPiece();
+        document.addEventListener('keydown', this._keyHandler);
+        this._startGameLoop();
+    }
+
+    stop() {
+        this.isRunning = false;
+        this.isPaused  = false;
+        if (this.animationFrameId !== null) {
+            cancelAnimationFrame(this.animationFrameId);
+            this.animationFrameId = null;
+        }
+        this.accumulator = 0;
+        this.lastTime    = 0;
+        document.removeEventListener('keydown', this._keyHandler);
+    }
+
+    restart() {
+        this.stop();
+        this.start();
+    }
+
+    pause() {
+        if (!this.isRunning) return;
+        this.isPaused = !this.isPaused;
+        if (!this.isPaused) {
+            this.lastTime = 0;
+            this._startGameLoop();
+        }
+    }
+
+    _startGameLoop() {
+        this.lastTime    = 0;
+        this.accumulator = 0;
+
+        const gameLoop = (currentTime) => {
+            if (!this.isRunning) return;
+
+            if (this.isPaused) {
+                this.animationFrameId = requestAnimationFrame(gameLoop);
+                return;
+            }
+
+            if (this.lastTime === 0) {
+                this.lastTime = currentTime;
+                this.animationFrameId = requestAnimationFrame(gameLoop);
+                return;
+            }
+
+            const deltaTime = currentTime - this.lastTime;
+            this.lastTime = currentTime;
+            this.accumulator += deltaTime;
+
+            this._updateShield(deltaTime);
+
+            while (this.isRunning && this.accumulator >= this.timeToDown) {
+                this._tick();
+                this.accumulator -= this.timeToDown;
+                if (this.accumulator > this.timeToDown * 3) {
+                    this.accumulator = 0;
+                    break;
+                }
+            }
+
+            this.onRender();
+            this.animationFrameId = requestAnimationFrame(gameLoop);
+        };
+
+        this.animationFrameId = requestAnimationFrame(gameLoop);
+    }
+
+    _tick() {
+        if (!this.currentPiece) return;
+        if (this._canMoveDown()) {
+            this.currentPiece.moveDown();
+        } else {
+            this._lockPiece();
+            this.verifierLignes();
+            this._makeHarder();
+            this._spawnNewPiece();
+            this.canStore = true;
+            if (!this._canSpawn()) this._gameOver(true);
+        }
+    }
+
+    _handleKey(e) {
+        if (!this.isRunning || !this.currentPiece) return;
+
+        switch (e.key) {
+            case 'ArrowLeft':
+                e.preventDefault();
+                if (!this.isPaused && this._canMoveLeft())  this.currentPiece.moveLeft();
+                break;
+            case 'ArrowRight':
+                e.preventDefault();
+                if (!this.isPaused && this._canMoveRight()) this.currentPiece.moveRight();
+                break;
+            case 'ArrowDown':
+                e.preventDefault();
+                if (!this.isPaused && this._canMoveDown()) {
+                    this.currentPiece.moveDown();
+                    this.score += 1;
+                    this.accumulator = 0;
+                }
+                break;
+            case ' ':
+                e.preventDefault();
+                if (!this.isPaused) this._hardDrop();
+                break;
+            case 'q': case 'Q':
+                e.preventDefault();
+                if (!this.isPaused) this._rotatePiece(-1);
+                break;
+            case 'w': case 'W':
+                e.preventDefault();
+                if (!this.isPaused) this._rotatePiece(1);
+                break;
+            case 'c': case 'C':
+                e.preventDefault();
+                if (!this.isPaused) this._storePiece();
+                break;
+            case 'e': case 'E':
+                e.preventDefault();
+                if (!this.isPaused) this._activateShield();
+                break;
+        }
+
+        this.onRender();
+    }
+
+    _activateShield() {
+        if (!this.shieldReady || this.shieldActive) return;
+        this.shieldActive   = true;
+        this.shieldActiveMs = 3000;
+        this.shieldReady    = false;
+        if (this.onShieldChanged) this.onShieldChanged('activated');
+    }
+
+    _updateShield(deltaTime) {
+        if (this.shieldActive) {
+            this.shieldActiveMs -= deltaTime;
+            if (this.shieldActiveMs <= 0) {
+                this.shieldActive     = false;
+                this.shieldActiveMs   = 0;
+                this.shieldCooldownMs = 60000;
+                if (this.onShieldChanged) this.onShieldChanged('deactivated');
+            }
+        } else if (!this.shieldReady) {
+            this.shieldCooldownMs -= deltaTime;
+            if (this.shieldCooldownMs <= 0) {
+                this.shieldCooldownMs = 0;
+                this.shieldReady      = true;
+                if (this.onShieldChanged) this.onShieldChanged('ready');
+            }
+        }
+    }
+
+    _hardDrop() {
+        if (!this.currentPiece) return;
+        let dist = 0;
+        while (this._canMoveDown()) { this.currentPiece.moveDown(); dist++; }
+        this.score += dist * 2;
+        this._lockPiece();
+        this.verifierLignes();
+        this._makeHarder();
+        this._spawnNewPiece();
+        this.canStore    = true;
+        this.accumulator = 0;
+        if (!this._canSpawn()) this._gameOver(true);
+    }
+
+    _rotatePiece(direction) {
+        if (!this.currentPiece) return;
+        const originalPos = { ...this.currentPiece.getPosition() };
+
+        if (direction === -1) this.currentPiece.rotateLeft();
+        else                  this.currentPiece.rotateRight();
+
+        if (!this._isValidPosition()) {
+            this.currentPiece.moveRight();
+            if (this._isValidPosition()) return;
+
+            this.currentPiece.moveLeft();
+            this.currentPiece.moveLeft();
+            if (this._isValidPosition()) return;
+
+            this.currentPiece.moveLeft();
+            if (this._isValidPosition()) return;
+
+            this.currentPiece.moveRight();
+            this.currentPiece.moveRight();
+            this.currentPiece.position.y--;
+            if (this._isValidPosition()) return;
+
+            this.currentPiece.position.y = originalPos.y;
+            this.currentPiece.position.x = originalPos.x;
+            if (direction === -1) this.currentPiece.rotateRight();
+            else                  this.currentPiece.rotateLeft();
+        }
+    }
+
+    _storePiece() {
+        if (!this.canStore || !this.currentPiece) return;
+
+        if (this.storedPiece === null) {
+            this.storedPiece = this.currentPiece;
+            this._spawnNewPiece();
+        } else {
+            const temp        = this.storedPiece;
+            this.storedPiece  = this.currentPiece;
+            this.currentPiece = temp;
+            this.currentPiece.position.x = 3;
+            this.currentPiece.position.y = 0;
+        }
+        this.canStore    = false;
+        this.accumulator = 0;
+    }
+
+    _spawnNewPiece() {
+        this.currentPiece = this.nextPiece || this._createRandomPiece();
+        this.nextPiece    = this._createRandomPiece();
+        this._updateBufferGrid();
+    }
+
+    _createRandomPiece() {
+        const types = [PieceT, PieceL, PieceReverseL, PieceI, PieceZ, PieceReverseZ, PieceO];
+        return new types[Math.floor(Math.random() * types.length)](3, 0);
+    }
+
+    _updateBufferGrid() {
+        this.bufferGrid = this._createGrid(10, 5);
+        if (!this.nextPiece) return;
+        const shape   = this.nextPiece.getShape();
+        const offsetX = Math.floor((10 - shape[0].length) / 2);
+        for (let y = 0; y < shape.length; y++)
+            for (let x = 0; x < shape[y].length; x++)
+                if (shape[y][x] !== 0)
+                    this.bufferGrid[y + 1][x + offsetX] = this.nextPiece.getColor();
+    }
+
+    verifierLignes() {
+        let cleared = 0;
+        for (let y = this.grid.length - 1; y >= 0; y--) {
+            if (this.grid[y].every(c => c !== 0)) {
+                this.grid.splice(y, 1);
+                this.grid.unshift(Array(10).fill(0));
+                cleared++;
+                y++;
+            }
+        }
+        const points = [0, 100, 300, 500, 800];
+        this.score += points[cleared];
+        this.count += points[cleared];
+        if (cleared > 0) {
+            // Chaque ligne remplie réduit le cooldown du shield de 10s
+            if (!this.shieldActive && !this.shieldReady) {
+                this.shieldCooldownMs = Math.max(0, this.shieldCooldownMs - cleared * 10000);
+                if (this.shieldCooldownMs === 0) {
+                    this.shieldReady = true;
+                    if (this.onShieldChanged) this.onShieldChanged('ready');
+                }
+            }
+            if (this.onLinesCleared) this.onLinesCleared(cleared, this.lastLandingCol);
+        }
+    }
+
+    _makeHarder() {
+        if (this.count >= this.hardening) {
+            this.count = 0;
+            this.timeToDown = Math.max(100, this.timeToDown - this.decrementTTD);
+        }
+    }
+
+    _canMoveDown() {
+        if (!this.currentPiece) return false;
+        const { x, y } = this.currentPiece.getPosition();
+        const shape    = this.currentPiece.getShape();
+        for (let row = 0; row < shape.length; row++)
+            for (let col = 0; col < shape[row].length; col++)
+                if (shape[row][col] !== 0) {
+                    const ny = y + row + 1;
+                    const nx = x + col;
+                    if (ny < 0) continue; // encore au-dessus de la grille
+                    if (ny >= this.grid.length || this.grid[ny][nx] !== 0) return false;
+                }
+        return true;
+    }
+
+    _canMoveLeft() {
+        if (!this.currentPiece) return false;
+        const { x, y } = this.currentPiece.getPosition();
+        const shape    = this.currentPiece.getShape();
+        for (let row = 0; row < shape.length; row++)
+            for (let col = 0; col < shape[row].length; col++)
+                if (shape[row][col] !== 0) {
+                    if (y + row < 0) continue; // au-dessus de la grille
+                    const nx = x + col - 1;
+                    if (nx < 0 || this.grid[y + row][nx] !== 0) return false;
+                }
+        return true;
+    }
+
+    _canMoveRight() {
+        if (!this.currentPiece) return false;
+        const { x, y } = this.currentPiece.getPosition();
+        const shape    = this.currentPiece.getShape();
+        for (let row = 0; row < shape.length; row++)
+            for (let col = 0; col < shape[row].length; col++)
+                if (shape[row][col] !== 0) {
+                    if (y + row < 0) continue; // au-dessus de la grille
+                    const nx = x + col + 1;
+                    if (nx >= this.grid[0].length || this.grid[y + row][nx] !== 0) return false;
+                }
+        return true;
+    }
+
+    _isValidPosition() {
+        if (!this.currentPiece) return false;
+        const { x, y } = this.currentPiece.getPosition();
+        const shape    = this.currentPiece.getShape();
+        for (let row = 0; row < shape.length; row++)
+            for (let col = 0; col < shape[row].length; col++)
+                if (shape[row][col] !== 0) {
+                    const gx = x + col;
+                    const gy = y + row;
+                    if (gx < 0 || gx >= this.grid[0].length ||
+                        gy < 0 || gy >= this.grid.length ||
+                        this.grid[gy][gx] !== 0) return false;
+                }
+        return true;
+    }
+
+    _canSpawn()  { return this._isValidPosition(); }
+
+    _lockPiece() {
+        if (!this.currentPiece) return;
+        const { x, y } = this.currentPiece.getPosition();
+        const shape    = this.currentPiece.getShape();
+        const color    = this.currentPiece.getColor();
+        for (let row = 0; row < shape.length; row++)
+            for (let col = 0; col < shape[row].length; col++)
+                if (shape[row][col] !== 0 && y + row >= 0)
+                    this.grid[y + row][x + col] = color;
+        this.lastLandingCol = x + Math.floor(shape[0].length / 2);
+        if (this.onBlockPlaced) this.onBlockPlaced(this.grid.map(r => [...r]));
+    }
+
+    addGarbageLines(lines) {
+        if (this.shieldActive) return;  // shield bloque les lignes garbage
+        if (!this.isRunning || !lines.length) return;
+        this.grid.splice(0, lines.length);
+        for (const line of lines) this.grid.push([...line]); // ...line pour faire une copie independante
+        // La grille a remonté de lines.length lignes — on remonte la pièce du même décalage
+        // pour qu'elle reste dans la même position relative aux blocs verrouillés.
+        if (this.currentPiece) {
+            this.currentPiece.position.y -= lines.length;
+        }
+        if (this.grid[0].some(c => c !== 0)) { this._gameOver(false); return; }
+        if (!this._isValidPositionAllowTop()) this._gameOver(false);
+    }
+
+    // Comme _isValidPosition mais tolère gy < 0 (zone tampon au-dessus de la grille après garbage)
+    _isValidPositionAllowTop() {
+        if (!this.currentPiece) return true;
+        const { x, y } = this.currentPiece.getPosition();
+        const shape    = this.currentPiece.getShape();
+        for (let row = 0; row < shape.length; row++)
+            for (let col = 0; col < shape[row].length; col++)
+                if (shape[row][col] !== 0) {
+                    const gy = y + row;
+                    const gx = x + col;
+                    if (gy < 0) continue; // au-dessus de la grille : OK
+                    if (gx < 0 || gx >= this.grid[0].length ||
+                        gy >= this.grid.length ||
+                        this.grid[gy][gx] !== 0) return false;
+                }
+        return true;
+    }
+
+    _gameOver(validBlock = false) {
+        this.stop();
+        this.onGameOver(this.score, validBlock);
+    }
+}

Transcendence/srcs/frontend/src/tetris/ui.js

@@ -0,0 +1,265 @@
+// ─────────────────────────────────────────────
+// UI — Contrôles, socket, duel, matchmaking
+// ─────────────────────────────────────────────
+
+// ── Références DOM ───────────────────────────
+
+const btnStart       = document.getElementById('btn-start');
+const btnPause       = document.getElementById('btn-pause');
+const btnStop        = document.getElementById('btn-stop');
+const btnRestart     = document.getElementById('btn-restart');
+const overlay        = document.getElementById('overlay');
+const inputTTD       = document.getElementById('input-ttd');
+const inputHardening = document.getElementById('input-hardening');
+const inputDecrement = document.getElementById('input-decrement');
+
+const btnJoinDuel     = document.getElementById('btn-join-duel');
+const btnLeaveDuel    = document.getElementById('btn-leave-duel');
+const inputRoomCode   = document.getElementById('input-room-code');
+const duelStatusEl    = document.getElementById('duel-status');
+const opponentSection = document.getElementById('opponent-section');
+
+const btnMatchmaking       = document.getElementById('btn-matchmaking');
+const btnMatchmakingCancel = document.getElementById('btn-matchmaking-cancel');
+const matchmakingStatusEl  = document.getElementById('matchmaking-status');
+
+// ── Overlay ──────────────────────────────────
+
+function showOverlay(title, score) {
+    document.getElementById('overlay-title').textContent = title;
+    document.getElementById('overlay-score').textContent = score !== undefined ? `Score : ${score}` : '';
+    overlay.classList.add('visible');
+}
+
+function hideOverlay() {
+    overlay.classList.remove('visible');
+}
+
+// ── Boutons ──────────────────────────────────
+
+function updateButtons() {
+    btnStart.disabled       = game.isRunning;
+    btnPause.disabled       = !game.isRunning;
+    btnStop.disabled        = !game.isRunning;
+    btnPause.textContent    = game.isPaused ? 'Resume' : 'Pause';
+    inputTTD.disabled       = game.isRunning;
+    inputHardening.disabled = game.isRunning;
+    inputDecrement.disabled = game.isRunning;
+}
+
+// ── Socket ───────────────────────────────────
+
+const socket = io({
+    auth: { token: localStorage.getItem('auth_token') },
+    reconnection: true,
+    reconnectionAttempts: 5,
+    reconnectionDelay: 1000,
+    transports: ['websocket', 'polling']
+});
+
+// ── Duel ─────────────────────────────────────
+
+let duel = null;
+
+// Callbacks passés au Duel pour qu'il pilote l'UI sans accéder à des globaux.
+function _makeDuelUI() {
+    return {
+        showOverlay,
+        hideOverlay,
+        updateButtons,
+        render:         () => render(game),
+        renderOpponent: (grid, shieldActive) => renderOpponent(grid, shieldActive),
+    };
+}
+
+function updateDuelStatus(status, opponentName) {
+    duelStatusEl.className = '';
+    if (status === 'waiting') {
+        duelStatusEl.textContent = "En attente d'un adversaire…";
+        duelStatusEl.classList.add('waiting');
+        opponentSection.classList.remove('visible');
+    } else if (status === 'ready') {
+        duelStatusEl.textContent = `Prêt — ${opponentName}`;
+        duelStatusEl.classList.add('ready');
+        opponentSection.classList.add('visible');
+        if (duel) duel.hideOpponentOverlay();
+        const grid        = duel ? duel.opponentGrid         : Array.from({ length: 20 }, () => Array(10).fill(0));
+        const shieldActive = duel ? duel.opponentShieldActive : false;
+        renderOpponent(grid, shieldActive);
+    } else {
+        duelStatusEl.textContent = '—';
+        opponentSection.classList.remove('visible');
+    }
+}
+
+function startLocalGame() {
+    hideOverlay();
+    game.start();
+    updateButtons();
+    render(game);
+}
+
+// Crée un Duel et rejoint la salle — mutualisé entre le bouton et le matchmaking.
+function _joinDuelRoom(code) {
+    if (duel) duel.leave();
+    if (game.isRunning) { game.stop(); hideOverlay(); render(game); updateButtons(); }
+    duel = new Duel(socket, game, updateDuelStatus, startLocalGame, _makeDuelUI());
+    duel.join(code);
+    btnJoinDuel.disabled   = true;
+    btnLeaveDuel.disabled  = false;
+    inputRoomCode.disabled = true;
+    updateDuelStatus('waiting', null);
+}
+
+btnJoinDuel.addEventListener('click', () => {
+    const code = inputRoomCode.value.trim().toUpperCase();
+    if (!code) return;
+    _joinDuelRoom(code);
+});
+
+btnLeaveDuel.addEventListener('click', () => {
+    if (duel) { duel.leave(); duel = null; }
+    btnJoinDuel.disabled   = false;
+    btnLeaveDuel.disabled  = true;
+    inputRoomCode.disabled = false;
+    updateDuelStatus(null, null);
+});
+
+// ── Matchmaking ──────────────────────────────
+
+btnMatchmaking.addEventListener('click', () => {
+    socket.emit('tetris:matchmaking-join');
+    btnMatchmaking.disabled         = true;
+    btnMatchmakingCancel.disabled   = false;
+    btnJoinDuel.disabled            = true;
+    matchmakingStatusEl.textContent = 'Recherche en cours…';
+    matchmakingStatusEl.className   = 'waiting';
+});
+
+btnMatchmakingCancel.addEventListener('click', () => {
+    socket.emit('tetris:matchmaking-leave');
+    btnMatchmaking.disabled         = false;
+    btnMatchmakingCancel.disabled   = true;
+    btnJoinDuel.disabled            = false;
+    matchmakingStatusEl.textContent = '';
+});
+
+socket.on('tetris:matchmaking-status', (data) => {
+    if (data.status === 'searching') {
+        matchmakingStatusEl.textContent = `Recherche… (${data.position} joueur(s) en attente)`;
+    } else if (data.status === 'idle') {
+        matchmakingStatusEl.textContent = '';
+        btnMatchmaking.disabled       = false;
+        btnMatchmakingCancel.disabled = true;
+        btnJoinDuel.disabled          = false;
+    }
+});
+
+socket.on('tetris:matched', (data) => {
+    matchmakingStatusEl.textContent = `Adversaire trouvé : ${data.opponent} !`;
+    matchmakingStatusEl.className   = 'ready';
+    btnMatchmaking.disabled       = false;
+    btnMatchmakingCancel.disabled = true;
+    inputRoomCode.value           = data.roomCode;
+    _joinDuelRoom(data.roomCode);
+});
+
+// ── Jeu ──────────────────────────────────────
+
+function saveTetrisScore(score) {
+    const token = localStorage.getItem('auth_token');
+    if (!token) return;
+    fetch('/api/stats/tetris/score', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json', 'Authorization': `Bearer ${token}` },
+        body: JSON.stringify({ score })
+    })
+    .then(r => r.json())
+    .then(data => { if (data.bestScore !== undefined) console.log('Meilleur score tetris:', data.bestScore); })
+    .catch(err => console.error('Erreur sauvegarde score tetris:', err));
+}
+
+const game = new Tetris(
+    // onRender
+    () => {
+        if (duel) duel.synchronize_game();
+        render(game);
+        updateButtons();
+    },
+    // onGameOver
+    (score, validBlock) => {
+        if (duel && duel.isReady) duel.onLocalGameOver(score, validBlock);
+        else saveTetrisScore(score);
+        render(game);
+        updateButtons();
+        showOverlay('GAME OVER', score);
+        loadLeaderboards();
+        loadGameHistory();
+    },
+    // onBlockPlaced
+    (grid) => { if (duel) duel.onLocalBlockPlaced(grid, game.score); },
+    // onLinesCleared
+    (count, holeCol) => { if (duel) duel.onLocalLinesCleared(count, holeCol); },
+    // onShieldChanged
+    (event) => { if (duel) duel.onLocalShieldChanged(event); }
+);
+
+// ── Boutons de contrôle ──────────────────────
+
+btnStart.addEventListener('click', () => {
+    if (duel && duel.isReady) duel.startDuel();
+    else startLocalGame();
+});
+
+btnPause.addEventListener('click', () => {
+    if (duel && duel.isReady) {
+        duel.togglePause();
+    } else {
+        game.pause();
+        updateButtons();
+        if (game.isPaused) showOverlay('PAUSE');
+        else hideOverlay();
+    }
+});
+
+btnStop.addEventListener('click', () => {
+    if (duel && duel.isReady) {
+        duel.stop();
+    } else {
+        game.stop();
+        updateButtons();
+        render(game);
+        showOverlay('STOPPED');
+    }
+});
+
+if (btnRestart) {
+    btnRestart.addEventListener('click', () => {
+        if (duel && duel.isReady) return;
+        game.restart();
+        updateButtons();
+        render(game);
+    });
+}
+
+// ── Paramètres ───────────────────────────────
+
+function applySettings() {
+    const settings = {
+        timeToDown:   parseInt(inputTTD.value,       10),
+        hardening:    parseInt(inputHardening.value, 10),
+        decrementTTD: parseInt(inputDecrement.value, 10),
+    };
+    game.configure(settings);
+    if (duel && duel.isReady) duel.syncSettings(settings);
+}
+
+inputTTD.addEventListener('change',       applySettings);
+inputHardening.addEventListener('change', applySettings);
+inputDecrement.addEventListener('change', applySettings);
+
+// ── Thème ────────────────────────────────────
+
+document.querySelectorAll('.theme-btn').forEach(btn => {
+    btn.addEventListener('click', () => setColorTheme(btn.dataset.theme));
+});

Transcendence/srcs/frontend/src/windows/avatar.js

@@ -1,6 +1,6 @@
-import { Window } from './windows.js';
+import { Window, windowRegistry } from '../core/windows.js';
-import { API, STORAGE_KEYS, CSS } from './config.js';
+import { API, STORAGE_KEYS, CSS } from '../core/config.js';
-import { eventBus, Events } from './events.js';
+import { eventBus, Events } from '../core/events.js';
 
 /**
  * Avatar management window
@@ -16,7 +16,9 @@ export class AvatarWindow extends Window {
 
         this.buildUI();
         this.bindEvents();
-        this.loadAvatar();
+        if (localStorage.getItem(STORAGE_KEYS.AUTH_TOKEN)) {
+            this.loadAvatar();
+        }
 
         // Listen for login events
         eventBus.on(Events.USER_LOGGED_IN, () => this.loadAvatar());
@@ -50,6 +52,10 @@ export class AvatarWindow extends Window {
         // Controls
         this.controls = this.createElement('div', CSS.AVATAR_CONTROLS);
 
+        this.statsBtn = this.createElement('button', [CSS.BTN, CSS.BTN_PRIMARY], {
+            text: 'Mes statistiques'
+        });
+
         this.chooseBtn = this.createElement('button', [CSS.BTN, CSS.BTN_SECONDARY], {
             text: 'Choose image'
         });
@@ -62,7 +68,7 @@ export class AvatarWindow extends Window {
             text: 'Refresh'
         });
 
-        this.controls.append(this.chooseBtn, this.saveBtn, this.refreshBtn);
+        this.controls.append(this.statsBtn, this.chooseBtn, this.saveBtn, this.refreshBtn);
 
         // Feedback message
         this.message = this.createElement('div', CSS.MESSAGE);
@@ -83,6 +89,7 @@ export class AvatarWindow extends Window {
      */
     bindEvents() {
         this.fileInput.addEventListener('change', (e) => this.handleFileSelect(e));
+        this.statsBtn.addEventListener('click', () => windowRegistry.get('stats')?.showMe());
         this.chooseBtn.addEventListener('click', () => this.fileInput.click());
         this.saveBtn.addEventListener('click', () => this.uploadAvatar());
         this.refreshBtn.addEventListener('click', () => this.loadAvatar());

Transcendence/srcs/frontend/src/windows/friends.js

@@ -1,6 +1,6 @@
-import { Window } from './windows.js';
+import { Window, windowRegistry } from '../core/windows.js';
-import { API, STORAGE_KEYS, CSS } from './config.js';
+import { API, STORAGE_KEYS, CSS } from '../core/config.js';
-import { eventBus, Events } from './events.js';
+import { eventBus, Events } from '../core/events.js';
 
 /**
  * Friends management window
@@ -309,11 +309,16 @@ export class FriendsWindow extends Window {
         const actions = this.createElement('div', CSS.FRIENDS_ACTIONS);
 
         if (type === 'friend') {
+            const statsBtn = this.createElement('button', [CSS.BTN, CSS.BTN_SECONDARY], {
+                text: 'Stats'
+            });
+            statsBtn.addEventListener('click', () => windowRegistry.get('stats')?.showUser(user.username));
+
             const removeBtn = this.createElement('button', [CSS.BTN, CSS.BTN_DANGER], {
                 text: 'Retirer'
             });
             removeBtn.addEventListener('click', () => this.removeFriend(user.id));
-            actions.appendChild(removeBtn);
+            actions.append(statsBtn, removeBtn);
         } else if (type === 'request') {
             const acceptBtn = this.createElement('button', [CSS.BTN, CSS.BTN_SUCCESS], {
                 text: 'Accepter'
@@ -327,11 +332,16 @@ export class FriendsWindow extends Window {
 
             actions.append(acceptBtn, declineBtn);
         } else if (type === 'search') {
+            const statsBtn = this.createElement('button', [CSS.BTN, CSS.BTN_SECONDARY], {
+                text: 'Stats'
+            });
+            statsBtn.addEventListener('click', () => windowRegistry.get('stats')?.showUser(user.username));
+
             const addBtn = this.createElement('button', [CSS.BTN, CSS.BTN_PRIMARY], {
                 text: 'Ajouter'
             });
             addBtn.addEventListener('click', () => this.sendRequest(user.id, addBtn));
-            actions.appendChild(addBtn);
+            actions.append(statsBtn, addBtn);
         }
 
         item.append(avatar, infoContainer, actions);

Transcendence/srcs/frontend/src/windows/game_room.js

@@ -1,6 +1,6 @@
-import { Window } from './windows.js';
+import { Window } from '../core/windows.js';
-import { API, STORAGE_KEYS, CSS } from './config.js';
+import { API, STORAGE_KEYS, CSS } from '../core/config.js';
-import { eventBus, Events } from './events.js';
+import { eventBus, Events } from '../core/events.js';
 
 export class GameRoomWindow extends Window {
 	constructor() {
@@ -14,9 +14,17 @@ export class GameRoomWindow extends Window {
 		this.currentRoom = null;
 		this.roomsList = [];
 		this.socket = null;
+		this.isSpectating = false;
+		this.messageTimeout = null;
 		this.buildUI();
 		this.bindEvents();
 
+		// Handle page close/refresh to disconnect socket
+		window.addEventListener('beforeunload', () => {
+			if (this.socket?.connected) {
+				this.socket.disconnect();
+			}
+		});
 		eventBus.on(Events.USER_LOGGED_IN, () => {
 			this.updateTabsAccess();
 			this.checkCurrentRoom();
@@ -28,9 +36,9 @@ export class GameRoomWindow extends Window {
 		this.updateTabsAccess();
 
 		// Verifier si l'utilisateur est deja dans un salon au chargement
-		if (this.isLoggedIn()) {
+		const token = localStorage.getItem(STORAGE_KEYS.AUTH_TOKEN);
+		if (token)
 			this.checkCurrentRoom();
-		}
 	}
 
 	buildUI() {
@@ -41,6 +49,11 @@ export class GameRoomWindow extends Window {
 		});
 		this.browseTab.dataset.tab = 'browse';
 
+		this.spectatorTab = this.createElement('button', CSS.GAMEROOM_TAB, {
+			text: 'Spectateur'
+		});
+		this.spectatorTab.dataset.tab = 'spectator';
+
 		this.createTab = this.createElement('button', CSS.GAMEROOM_TAB, {
 			text: 'Creer'
 		});
@@ -52,7 +65,7 @@ export class GameRoomWindow extends Window {
 		this.lobbyTab.dataset.tab = 'lobby';
 		this.lobbyTab.style.display = 'none';
 
-		this.tabs.append(this.browseTab, this.createTab, this.lobbyTab);
+		this.tabs.append(this.browseTab, this.spectatorTab, this.createTab, this.lobbyTab);
 
 		this.content = this.createElement('div', CSS.GAMEROOM_CONTENT);
 
@@ -91,9 +104,12 @@ export class GameRoomWindow extends Window {
 
 		this.list = this.createElement('div', CSS.GAMEROOM_LIST);
 
+		this.spectatorList = this.createElement('div', CSS.GAMEROOM_LIST);
+		this.spectatorList.style.display = 'none';
+
 		this.message = this.createElement('div', CSS.MESSAGE);
 
-		this.content.append(this.createContainer, this.lobbyContainer, this.list, this.message);
+		this.content.append(this.createContainer, this.lobbyContainer, this.list, this.spectatorList, this.message);
 
 		this.body.append(this.tabs, this.content);
 	}
@@ -152,7 +168,7 @@ export class GameRoomWindow extends Window {
 
 		// Boutons du jeu
 		this.gameButtons = this.createElement('div', 'gameroom__game-buttons');
-		this.backToLobbyBtn = this.createElement('button', [CSS.BTN, CSS.BTN_SECONDARY], { text: 'Retour au lobby' });
+		this.backToLobbyBtn = this.createElement('button', [CSS.BTN, CSS.BTN_SECONDARY], { text: 'Quitter la partie' });
 		this.endRoundBtn = this.createElement('button', [CSS.BTN, CSS.BTN_DANGER], { text: 'Terminer le jeu' });
 		this.gameButtons.append(this.backToLobbyBtn, this.endRoundBtn);
 
@@ -178,7 +194,8 @@ export class GameRoomWindow extends Window {
 			players: [],
 			currentPlayerIndex: 0,
 			guessedLetters: [],
-			scores: {}
+			scores: {},
+			counter: 0
 		};
 
 		this.initDrawing();
@@ -190,7 +207,7 @@ export class GameRoomWindow extends Window {
 		this.lastY = 0;
 
 		this.canvas.addEventListener('mousedown', (e) => {
-			if (!this.gameState.isPlaying || !this.isCurrentUserDrawer()) return;
+			if (!this.gameState.isPlaying || !this.isCurrentUserDrawer() || this.isSpectating) return;
 			this.isDrawing = true;
 			[this.lastX, this.lastY] = [e.offsetX, e.offsetY];
 		});
@@ -357,7 +374,25 @@ export class GameRoomWindow extends Window {
 		});
 
 		this.socket.on('game-player-left', (data) => {
-			console.log(`${data.username} left the room`);
+			this.showMessage(`${data.username} a quitté le salon`, 'info');
+
+			if (this.gameState.isPlaying)
+			{
+				if (this.gameState.players)
+					this.gameState.players = this.gameState.players.filter(p => p !== data.username);
+			}
+
+			if (this.gameState.scores)
+			{
+				delete this.gameState.scores[data.username];
+				this.updateScoresDisplay(this.gameState.scores);
+			}
+
+			// Note: If the drawer left, the server will emit 'game-drawer-changed' 
+			// with the new drawer, so we don't need to handle it here
+
+			if (this.currentRoom && !this.gameState.isPlaying)
+				this.loadLobby();
 		});
 
 		// Game started
@@ -376,6 +411,12 @@ export class GameRoomWindow extends Window {
 			this.setupRound();
 		});
 
+		// Game start error
+		this.socket.on('game-start-error', (data) => {
+			console.error('Game start error:', data.error);
+			this.showMessage(data.error || 'Impossible de démarrer la partie', 'error');
+		});
+
 		// Word was set by drawer
 		this.socket.on('game-word-set', (data) => {
 			console.log(`Word set by ${data.drawer}, length: ${data.wordLength}`);
@@ -388,6 +429,13 @@ export class GameRoomWindow extends Window {
 			}
 
 			this.updateWordDisplay();
+			
+			// Don't change UI for spectators
+			if (this.isSpectating) {
+				this.currentDrawerInfo.textContent = '👁️ MODE SPECTATEUR - Vous regardez la partie';
+				return;
+			}
+			
 			this.currentDrawerInfo.textContent = `${data.drawer} dessine (${data.wordLength} lettres)`;
 
 			// Enable guess input for non-drawers
@@ -443,7 +491,22 @@ export class GameRoomWindow extends Window {
 
 		// Game ended
 		this.socket.on('game-ended', () => {
-			this.resetGameUI();
+			// If spectating, return to spectator list
+			if (this.isSpectating) {
+				this.resetGameUI();
+				this.currentRoom = null;
+				this.isSpectating = false;
+				this.switchTab('spectator');
+				this.showMessage('La partie est terminée', 'info');
+			} else {
+				this.resetGameUI();
+				this.loadLobby();
+			}
+		});
+
+		// Game message from server
+		this.socket.on('game-message', (data) => {
+			this.showMessage(data.message, data.type || 'info');
 		});
 
 		// Sync state for late joiners
@@ -455,12 +518,25 @@ export class GameRoomWindow extends Window {
 				this.gameState.revealedLetters = data.revealedLetters || [];
 				this.gameState.revealedWord = data.revealedWord || new Array(data.wordLength).fill('_');
 				this.gameState.players = data.players;
+				this.gameState.scores = data.scores || {};
 
 				this.showGameUI();
 				this.updateWordDisplay();
+
+				// Update scores display
+				if (data.scores) {
+					this.updateScoresDisplay(data.scores);
+				}
+
 				this.currentDrawerInfo.textContent = `${data.drawer} dessine (${data.wordLength} lettres)`;
 
-				if (!this.isCurrentUserDrawer()) {
+				// Don't enable input for spectators
+				if (this.isSpectating) {
+					this.guessContainer.style.display = 'none';
+					this.wordInputContainer.style.display = 'none';
+					this.drawTools.style.display = 'none';
+					this.currentDrawerInfo.textContent = '👁️ MODE SPECTATEUR - Vous regardez la partie';
+				} else if (!this.isCurrentUserDrawer()) {
 					this.guessContainer.style.display = 'flex';
 					if (data.wordLength > 0) {
 						this.letterInput.disabled = false;
@@ -474,11 +550,73 @@ export class GameRoomWindow extends Window {
 				}
 			}
 		});
+
+		// Spectator events
+		this.socket.on('game-spectate-joined', (data) => {
+			console.log('Successfully joined as spectator:', data.roomId);
+			this.isSpectating = true;
+			
+			// Prepare UI for spectating
+			this.spectatorList.style.display = 'none';
+			this.list.style.display = 'none';
+			this.createContainer.style.display = 'none';
+			this.lobbyContainer.style.display = 'flex';
+			
+			// Hide lobby elements, keep game container for when state syncs
+			this.playerList.style.display = 'none';
+			this.lobbyButtons.style.display = 'none';
+			this.lobbyTitle.textContent = 'Mode Spectateur';
+			
+			this.showMessage('Vous regardez la partie...', 'success');
+			// The game state will be synced via game-state-sync event
+		});
+
+		this.socket.on('game-spectate-error', (data) => {
+			console.error('Spectate error:', data.error);
+			this.showMessage(data.error || 'Impossible de regarder cette partie', 'error');
+		});
+
+		this.socket.on('game-spectator-joined', (data) => {
+			console.log(`Spectator ${data.username} joined`);
+		});
+
+		this.socket.on('game-spectator-left', (data) => {
+			console.log(`Spectator ${data.username} left`);
+		});
+
+		// Drawer changed (when drawer leaves during game)
+		this.socket.on('game-drawer-changed', (data) => {
+			console.log('Drawer changed:', data);
+			this.showMessage(data.message, 'info');
+
+			// Update game state with new drawer
+			this.gameState.drawer = data.newDrawer;
+			this.gameState.currentPlayerIndex = this.gameState.players.indexOf(data.newDrawer);
+
+			// Reset round state
+			this.gameState.currentWord = '';
+			this.gameState.wordLength = 0;
+			this.gameState.revealedLetters = [];
+			this.gameState.revealedWord = [];
+			this.gameState.guessedLetters = [];
+
+			// Clear canvas and history
+			this.clearCanvas();
+			this.guessHistory.innerHTML = '';
+			this.wordDisplay.textContent = '';
+
+			// Setup UI for new round with new drawer
+			this.setupRound();
+		});
 	}
 
 	disconnectGameSocket() {
 		if (this.socket) {
-			this.socket.emit('game-leave-room');
+			if (this.isSpectating) {
+				this.socket.emit('game-leave-spectate');
+			} else {
+				this.socket.emit('game-leave-room');
+			}
 		}
 	}
 
@@ -525,13 +663,14 @@ export class GameRoomWindow extends Window {
 
 		this.currentTab = tabName;
 
-		[this.browseTab, this.createTab, this.lobbyTab].forEach(tab => {
+		[this.browseTab, this.spectatorTab, this.createTab, this.lobbyTab].forEach(tab => {
 			tab.classList.toggle(CSS.GAMEROOM_TAB_ACTIVE, tab.dataset.tab === tabName);
 		});
 
 		this.createContainer.style.display = tabName === 'create' ? 'flex' : 'none';
 		this.lobbyContainer.style.display = tabName === 'lobby' ? 'flex' : 'none';
 		this.list.style.display = tabName === 'browse' ? 'flex' : 'none';
+		this.spectatorList.style.display = tabName === 'spectator' ? 'flex' : 'none';
 
 		this.loadCurrentTab();
 	}
@@ -543,6 +682,10 @@ export class GameRoomWindow extends Window {
 				// Connect to socket to receive real-time room updates
 				this.ensureSocketConnected();
 				break;
+			case 'spectator':
+				this.loadPlayingRooms();
+				this.ensureSocketConnected();
+				break;
 			case 'create':
 				this.message.textContent = '';
 				this.ensureSocketConnected();
@@ -768,6 +911,123 @@ export class GameRoomWindow extends Window {
 		}
 	}
 
+	createSpectatorRoomItem(room) {
+		const item = this.createElement('div', CSS.GAMEROOM_ITEM);
+
+		const name = this.createElement('span', CSS.GAMEROOM_NAME, {
+			text: room.name
+		});
+
+		const players = this.createElement('span', CSS.GAMEROOM_PLAYERS, {
+			text: `${room.player_count || 0}/${room.max_players || 8}`
+		});
+
+		const status = this.createElement('span', 'gameroom__status', {
+			text: '🎮 En cours'
+		});
+		status.style.color = '#4CAF50';
+		status.style.fontWeight = 'bold';
+
+		const actions = this.createElement('div', CSS.GAMEROOM_ACTIONS);
+
+		const spectateBtn = this.createElement('button', [CSS.BTN, CSS.BTN_PRIMARY], {
+			text: 'Regarder'
+		});
+		spectateBtn.addEventListener('click', () => this.spectateRoom(room.id));
+		actions.appendChild(spectateBtn);
+
+		item.append(name, players, status, actions);
+		return item;
+	}
+
+	async loadPlayingRooms() {
+		const token = localStorage.getItem(STORAGE_KEYS.AUTH_TOKEN);
+		if (!token) {
+			this.showMessage('Connectez-vous pour voir les parties en cours', 'info');
+			return;
+		}
+
+		try {
+			const response = await fetch(API.ROOMS.PLAYING, {
+				headers: this.getHeaders()
+			});
+			const data = await response.json();
+
+			if (!response.ok) {
+				this.showMessage(data.error || 'Erreur', 'error');
+				return;
+			}
+
+			this.renderPlayingRoomsList(data || []);
+		} catch (error) {
+			console.error('Load playing rooms error:', error);
+			this.showMessage('Erreur de connexion', 'error');
+		}
+	}
+
+	renderPlayingRoomsList(rooms) {
+		this.spectatorList.innerHTML = '';
+		this.message.textContent = '';
+
+		if (rooms.length === 0) {
+			this.showMessage('Aucune partie en cours', 'info');
+			return;
+		}
+
+		rooms.forEach(room => {
+			const item = this.createSpectatorRoomItem(room);
+			this.spectatorList.appendChild(item);
+		});
+	}
+
+	async spectateRoom(roomId) {
+		const token = localStorage.getItem(STORAGE_KEYS.AUTH_TOKEN);
+		if (!token) {
+			this.showMessage('Connectez-vous pour regarder', 'info');
+			return;
+		}
+
+		// Check if user is already in a room as a player
+		if (this.currentRoom && !this.isSpectating) {
+			this.showMessage('Vous êtes déjà dans un salon. Quittez-le d\'abord.', 'error');
+			return;
+		}
+
+		// Check if already spectating another game
+		if (this.isSpectating && this.currentRoom && this.currentRoom.id !== roomId) {
+			this.showMessage('Vous regardez déjà une autre partie', 'error');
+			return;
+		}
+
+		try {
+			const response = await fetch(API.ROOMS.SPECTATE(roomId), {
+				method: 'POST',
+				headers: this.getHeaders()
+			});
+			const data = await response.json();
+
+			if (!response.ok) {
+				this.showMessage(data.error || 'Impossible de regarder cette partie', 'error');
+				return;
+			}
+
+			// Store room info and mark as spectating
+			this.currentRoom = data;
+			this.isSpectating = true;
+
+			// Join as spectator via socket
+			await this.ensureSocketConnected();
+			if (this.socket?.connected) {
+				this.socket.emit('game-spectate-room', { roomId: roomId });
+			}
+
+			this.showMessage('Connexion à la partie...', 'info');
+		} catch (error) {
+			console.error('Spectate room error:', error);
+			this.showMessage('Erreur de connexion', 'error');
+		}
+	}
+
 	async joinRoom(roomId) {
 		const token = localStorage.getItem(STORAGE_KEYS.AUTH_TOKEN);
 		if (!token) {
@@ -836,6 +1096,8 @@ export class GameRoomWindow extends Window {
 	async loadLobby() {
 		if (!this.currentRoom) return;
 
+		this.gameState.scores = {};
+
 		try {
 			const response = await fetch(API.ROOMS.PLAYERS(this.currentRoom.id), {
 				headers: this.getHeaders()
@@ -862,6 +1124,10 @@ export class GameRoomWindow extends Window {
 				text: 'Aucun joueur'
 			});
 			this.playerList.appendChild(empty);
+			// Disable start button if no players
+			this.startGameBtn.disabled = true;
+			this.startGameBtn.style.opacity = '0.5';
+			this.startGameBtn.title = 'Il faut au moins 2 joueurs';
 			return;
 		}
 
@@ -891,6 +1157,17 @@ export class GameRoomWindow extends Window {
 			item.append(avatar, name, statsContainer);
 			this.playerList.appendChild(item);
 		});
+
+		// Enable/disable start button based on player count
+		if (players.length < 2) {
+			this.startGameBtn.disabled = true;
+			this.startGameBtn.style.opacity = '0.5';
+			this.startGameBtn.title = 'Il faut au moins 2 joueurs';
+		} else {
+			this.startGameBtn.disabled = false;
+			this.startGameBtn.style.opacity = '1';
+			this.startGameBtn.title = '';
+		}
 	}
 
 	async leaveRoom() {
@@ -933,6 +1210,11 @@ export class GameRoomWindow extends Window {
 	}
 
 	showMessage(text, type = 'info') {
+		// Clear any existing timeout
+		if (this.messageTimeout) {
+			clearTimeout(this.messageTimeout);
+		}
+
 		this.message.textContent = text;
 		this.message.className = CSS.MESSAGE;
 
@@ -943,6 +1225,12 @@ export class GameRoomWindow extends Window {
 		} else {
 			this.message.classList.add(CSS.MESSAGE_INFO);
 		}
+
+		// Auto-clear message after 5 seconds
+		this.messageTimeout = setTimeout(() => {
+			this.message.textContent = '';
+			this.message.className = CSS.MESSAGE;
+		}, 5000);
 	}
 
 	// ============================================
@@ -970,6 +1258,23 @@ export class GameRoomWindow extends Window {
 		this.lobbyButtons.style.display = 'none';
 		this.clearCanvas();
 		this.guessHistory.innerHTML = '';
+
+		// If spectating, show indicator and disable interactions
+		if (this.isSpectating) {
+			this.currentDrawerInfo.textContent = '👁️ MODE SPECTATEUR - Vous regardez la partie';
+			this.currentDrawerInfo.style.backgroundColor = '#2196F3';
+			this.currentDrawerInfo.style.color = 'white';
+			this.currentDrawerInfo.style.padding = '8px';
+			this.currentDrawerInfo.style.borderRadius = '4px';
+			this.currentDrawerInfo.style.textAlign = 'center';
+			
+			// Change button text for spectators
+			this.backToLobbyBtn.textContent = 'Arrêter de regarder';
+			this.endRoundBtn.style.display = 'none'; // Hide end game button for spectators
+		} else {
+			this.backToLobbyBtn.textContent = 'Quitter la partie';
+			this.endRoundBtn.style.display = 'inline-block';
+		}
 	}
 
 	resetGameUI() {
@@ -979,6 +1284,21 @@ export class GameRoomWindow extends Window {
 		this.gameState.revealedLetters = [];
 		this.gameState.revealedWord = [];
 		this.gameState.drawer = null;
+		this.isSpectating = false;
+
+		this.gameState.scores = {};
+   		this.gameState.players = [];
+   		this.gameState.currentPlayerIndex = 0;
+    	this.gameState.guessedLetters = [];
+
+    	// Clear scores display
+    	if (this.scoresDisplay)
+        	this.scoresDisplay.textContent = '';
+
+		if (this.guessHistory)
+			this.guessHistory.innerHTML = '';
+
+		this.clearCanvas();
 
 		this.gameContainer.style.display = 'none';
 		this.playerList.style.display = 'flex';
@@ -988,6 +1308,12 @@ export class GameRoomWindow extends Window {
 		this.guessContainer.style.display = 'none';
 		this.drawTools.style.display = 'none';
 
+		// Reset spectator styling
+		this.currentDrawerInfo.style.backgroundColor = '';
+		this.currentDrawerInfo.style.color = '';
+		this.currentDrawerInfo.style.padding = '';
+		this.currentDrawerInfo.style.borderRadius = '';
+		this.currentDrawerInfo.style.textAlign = '';
 		this.currentDrawerInfo.classList.remove('gameroom__drawer-info--winner');
 	}
 
@@ -1002,8 +1328,8 @@ export class GameRoomWindow extends Window {
 
 		console.log('Players found:', players);
 
-		if (players.length < 1) {
+		if (players.length < 2) {
-			this.showMessage('Il faut au moins 1 joueur pour jouer', 'error');
+			this.showMessage('Il faut au moins 2 joueurs pour commencer', 'error');
 			return;
 		}
 
@@ -1040,6 +1366,15 @@ export class GameRoomWindow extends Window {
 		this.guessHistory.innerHTML = '';
 		this.clearCanvas();
 
+		// Spectators cannot interact
+		if (this.isSpectating) {
+			this.wordInputContainer.style.display = 'none';
+			this.guessContainer.style.display = 'none';
+			this.drawTools.style.display = 'none';
+			this.currentDrawerInfo.textContent = '👁️ MODE SPECTATEUR - Vous regardez la partie';
+			return;
+		}
+
 		if (this.isCurrentUserDrawer()) {
 			// Drawer chooses a word
 			this.wordInputContainer.style.display = 'flex';
@@ -1234,8 +1569,11 @@ export class GameRoomWindow extends Window {
 
 	nextRound() {
 		// Move to next player
-		this.gameState.currentPlayerIndex = (this.gameState.currentPlayerIndex + 1) % this.gameState.players.length;
+		this.gameState.counter++;
-		const nextDrawer = this.gameState.players[this.gameState.currentPlayerIndex];
+		if (this.gameState.counter >= this.gameState.players.length) {
+			this.gameState.counter = 0;
+		}
+		const nextDrawer = this.gameState.players[this.gameState.counter];
 
 		if (this.socket?.connected) {
 			this.socket.emit('game-next-round', { drawer: nextDrawer });
@@ -1246,9 +1584,14 @@ export class GameRoomWindow extends Window {
 	}
 
 	backToLobby() {
+		if (this.socket?.connected) {
+			this.socket.emit('leave-room-during-game');
+		}
+
 		// Return to lobby without ending game for others
 		this.resetGameUI();
-		this.loadLobby();
+		this.exitLobby();
+		this.showMessage('Vous avez quitté la partie', 'info');
 	}
 
 	endGame() {

Transcendence/srcs/frontend/src/windows/global_chat.js

@@ -1,6 +1,6 @@
-import { Window } from './windows.js';
+import { Window } from '../core/windows.js';
-import { STORAGE_KEYS, CSS } from './config.js';
+import { STORAGE_KEYS, CSS } from '../core/config.js';
-import { eventBus, Events } from './events.js';
+import { eventBus, Events } from '../core/events.js';
 
 /**
  * Global chat window
@@ -17,6 +17,8 @@ export class GlobalChat extends Window {
         this.socket = null;
         this.connected = false;
         this.friendIds = new Set();
+        this.currentUserId = null;
+        this.currentUsername = null;
 
         this.buildUI();
         this.bindEvents();
@@ -169,6 +171,19 @@ export class GlobalChat extends Window {
         await this.connect();
     }
 
+    decodeToken(token)
+    {
+        try
+        {
+            const payload = token.split('.')[1];
+            return (JSON.parse(atob(payload)));
+        }
+        catch
+        {
+            return (null);
+        }
+    }
+
     /**
      * Connects to the Socket.IO server
      */
@@ -180,6 +195,13 @@ export class GlobalChat extends Window {
             return;
         }
 
+        const tokenData = this.decodeToken(token);
+
+        if (tokenData) {
+            this.currentUserId = tokenData.id || tokenData.userId || tokenData.user_id || tokenData.sub || null;
+            this.currentUsername = tokenData.username || tokenData.name || null;
+        }
+
         if (this.socket?.connected) {
             this.addSystemMessage('Already connected to global chat');
             return;
@@ -239,6 +261,7 @@ export class GlobalChat extends Window {
         this.socket.on('connect', () => {
             console.log('Socket connected, ID:', this.socket.id);
             this.connected = true;
+            this.output.innerHTML = '';
             this.addSystemMessage('Connected to global chat', 'success');
             eventBus.emit(Events.CHAT_CONNECTED, { socketId: this.socket.id });
         });
@@ -262,15 +285,38 @@ export class GlobalChat extends Window {
 
             // Display recent messages
             data.messages.forEach(msg => {
-                const isFriend = this.friendIds.has(msg.sender_id);
+                const isOwn = this.isOwnMessage(msg);
-                this.addChatMessage(msg.username, msg.content, false, isFriend);
+                const isFriend = !isOwn && this.friendIds.has(msg.sender_id);
+                const displayUsername = isOwn ? 'Me' : msg.username;
+                this.addChatMessage(displayUsername, msg.content, isOwn, isFriend);
             });
         });
 
         this.socket.on('chat-message', (msg) => {
+            const isOwn = this.isOwnMessage(msg);
+            if (isOwn)
+                return;
+
             const isFriend = this.friendIds.has(msg.sender_id);
             this.addChatMessage(msg.username, msg.content, false, isFriend);
             eventBus.emit(Events.CHAT_MESSAGE_RECEIVED, msg);
         });
     }
+
+    isOwnMessage(msg)
+    {
+        if (this.currentUserId !== null && msg.sender_id !== undefined && msg.sender_id !== null)
+        {
+            if (String(this.currentUserId) === String(msg.sender_id))
+                return (true);
+        }
+
+        if (this.currentUsername && msg.username)
+        {
+            if (this.currentUsername.toLowerCase() === msg.username.toLowerCase())
+                return (true);
+        }
+
+        return (false);
+    }
 }

Transcendence/srcs/frontend/src/windows/login.js

@@ -1,6 +1,6 @@
-import { Window } from './windows.js';
+import { Window } from '../core/windows.js';
-import { API, STORAGE_KEYS, CSS } from './config.js';
+import { API, STORAGE_KEYS, CSS } from '../core/config.js';
-import { eventBus, Events } from './events.js';
+import { eventBus, Events } from '../core/events.js';
 
 /**
  * Login and registration window
@@ -17,6 +17,7 @@ export class LoginWindow extends Window {
         this.buildUI();
         this.bindEvents();
         this.checkIfAlreadyLoggedIn();
+		this.NotficationContainer();
     }
 
     /**
@@ -129,6 +130,7 @@ export class LoginWindow extends Window {
             if (response.ok && data.token) {
                 localStorage.setItem(STORAGE_KEYS.AUTH_TOKEN, data.token);
                 this.showMessage('Login successful! Welcome.', 'success');
+				this.showNotification('Login successful', 'green');
 
                 // Emit login event
                 eventBus.emit(Events.USER_LOGGED_IN, { username, token: data.token });
@@ -138,6 +140,7 @@ export class LoginWindow extends Window {
             } else {
                 const errorMsg = data?.message || 'Login failed';
                 this.showMessage(errorMsg, 'error');
+				this.showNotification(errorMsg, 'red');
             }
         } catch (error) {
             console.error('Login error:', error);
@@ -170,10 +173,12 @@ export class LoginWindow extends Window {
 
             if (response.ok) {
                 this.showMessage('Registration successful! You can now sign in.', 'success');
+				this.showNotification('Registration successful', 'green');
                 eventBus.emit(Events.USER_REGISTERED, { username });
             } else {
                 const errorMsg = data?.message || 'Registration failed';
                 this.showMessage(errorMsg, 'error');
+				this.showNotification(errorMsg, 'red');
             }
         } catch (error) {
             console.error('Registration error:', error);
@@ -200,6 +205,7 @@ export class LoginWindow extends Window {
             if (event.data?.token) {
                 localStorage.setItem(STORAGE_KEYS.AUTH_TOKEN, event.data.token);
                 this.showMessage('GitHub login successful! Welcome.', 'success');
+				this.showNotification('GitHub login successful', 'green');
 
                 // Emit login event
                 eventBus.emit(Events.USER_LOGGED_IN, {
@@ -215,6 +221,55 @@ export class LoginWindow extends Window {
         window.addEventListener('message', handleMessage, { once: true });
     }
 
+	NotficationContainer()
+	{
+		if (document.getElementById('notification-container')) return;
+
+		const container = this.createElement('div');
+		container.id = 'notification-container';
+		Object.assign(container.style, {
+			position: 'fixed',
+			top: '20px',
+			right: '20px',
+			zIndex: 1000,
+			display: 'flex',
+			flexDirection: 'column',
+			gap: '10px'
+		});
+		document.body.appendChild(container);
+	}
+
+	showNotification(message, color) {
+		const container = document.getElementById('notification-container');
+		if (!container) return;
+
+		const notification = document.createElement('div');
+		notification.textContent = message;
+		Object.assign(notification.style, {
+			backgroundColor: color,
+			color: 'white',
+			padding: '10px 20px',
+			borderRadius: '5px',
+			boxShadow: '0 2px 6px rgba(0,0,0,0.3)',
+			opacity: '0',
+			transform: 'translateY(-8px)',
+            transition: 'opacity 0.5s ease, transform 0.5s ease'
+		});
+
+		container.appendChild(notification);
+
+		requestAnimationFrame(() => {
+			notification.style.opacity = '1';
+			notification.style.transform = 'translateY(0)';
+		});
+
+		setTimeout(() => {
+			notification.style.opacity = '0';
+			notification.style.transform = 'translateY(-8px)';
+			setTimeout(() => notification.remove(), 500);
+		}, 2200);
+	}
+
     /**
      * Displays a feedback message
      * @param {string} text - Message text

Transcendence/srcs/frontend/src/windows/stats.js

@@ -0,0 +1,122 @@
+import { Window } from '../core/windows.js';
+import { API, STORAGE_KEYS } from '../core/config.js';
+
+/**
+ * Stats window — displays Scribble + Tetris stats for any user
+ * Usage: windowRegistry.get('stats').showUser(username)
+ */
+export class StatsWindow extends Window {
+    constructor() {
+        super({
+            name: 'stats',
+            title: 'Statistiques',
+            cssClasses: ['stats-window']
+        });
+
+        this.buildUI();
+    }
+
+    buildUI() {
+        this.avatarEl = this.createElement('img', 'stats__avatar', { alt: 'Avatar' });
+        this.avatarEl.src = '/avatar/default.png';
+
+        this.usernameEl = this.createElement('div', 'stats__username');
+
+        // Scribble section
+        const scribbleSection = this.createElement('div', 'stats__section');
+        const scribbleTitle = this.createElement('div', 'stats__section-title', { text: 'Scribble' });
+        this.scribbleBody = this.createElement('div', 'stats__section-body');
+        scribbleSection.append(scribbleTitle, this.scribbleBody);
+
+        // Tetris section
+        const tetrisSection = this.createElement('div', 'stats__section');
+        const tetrisTitle = this.createElement('div', 'stats__section-title', { text: 'Tetris' });
+        this.tetrisBody = this.createElement('div', 'stats__section-body');
+        tetrisSection.append(tetrisTitle, this.tetrisBody);
+
+        this.body.append(this.avatarEl, this.usernameEl, scribbleSection, tetrisSection);
+    }
+
+    async showUser(username) {
+        this.show();
+        this.setTitle('Statistiques');
+        this.usernameEl.textContent = username;
+        this.avatarEl.src = '/avatar/default.png';
+        this.scribbleBody.innerHTML = '<div class="stats__loading">Chargement…</div>';
+        this.tetrisBody.innerHTML = '';
+
+        const token = localStorage.getItem(STORAGE_KEYS.AUTH_TOKEN);
+        if (!token) return;
+
+        try {
+            const res = await fetch(API.STATS.USER(username), {
+                headers: { 'Authorization': `Bearer ${token}` }
+            });
+            if (!res.ok) {
+                this.scribbleBody.innerHTML = '<div class="stats__loading">Erreur</div>';
+                return;
+            }
+            const data = await res.json();
+            this.renderStats(data);
+        } catch (err) {
+            console.error('Stats load error:', err);
+        }
+    }
+
+    async showMe() {
+        this.show();
+        this.setTitle('Mes statistiques');
+        this.scribbleBody.innerHTML = '<div class="stats__loading">Chargement…</div>';
+        this.tetrisBody.innerHTML = '';
+
+        const token = localStorage.getItem(STORAGE_KEYS.AUTH_TOKEN);
+        if (!token) return;
+
+        try {
+            const res = await fetch(API.STATS.ME, {
+                headers: { 'Authorization': `Bearer ${token}` }
+            });
+            if (!res.ok) return;
+            const data = await res.json();
+            this.renderStats(data);
+        } catch (err) {
+            console.error('Stats load error:', err);
+        }
+    }
+
+    renderStats(data) {
+        this.setTitle(`Stats — ${data.username}`);
+        this.usernameEl.textContent = data.username;
+        this.avatarEl.src = data.avatar_url || '/avatar/default.png';
+
+        this.scribbleBody.innerHTML = `
+            <div class="stats__row">
+                <span class="stats__label">Points</span>
+                <span class="stats__value">${data.total_points || 0}</span>
+            </div>
+            <div class="stats__row">
+                <span class="stats__label">Parties</span>
+                <span class="stats__value">${data.games_played || 0}</span>
+            </div>
+            <div class="stats__row">
+                <span class="stats__label">Victoires</span>
+                <span class="stats__value">${data.games_won || 0}</span>
+            </div>
+        `;
+
+        this.tetrisBody.innerHTML = `
+            <div class="stats__row">
+                <span class="stats__label">Meilleur score</span>
+                <span class="stats__value">${data.tetris_best_score || 0}</span>
+            </div>
+            <div class="stats__row">
+                <span class="stats__label">Duels gagnés</span>
+                <span class="stats__value">${data.tetris_wins || 0}</span>
+            </div>
+            <div class="stats__row">
+                <span class="stats__label">Parties</span>
+                <span class="stats__value">${data.tetris_games_played || 0}</span>
+            </div>
+        `;
+    }
+}