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 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>LiftTrack - Firebase Edition v4</title>
     <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/confetti.browser.min.js"></script>
-    <!-- SDK Firebase (v8) -->
     <script src="https://www.gstatic.com/firebasejs/8.10.1/firebase-app.js"></script>
     <script src="https://www.gstatic.com/firebasejs/8.10.1/firebase-auth.js"></script>
     <script src="https://www.gstatic.com/firebasejs/8.10.1/firebase-firestore.js"></script>
     <style>
-        /* CSS Identique */
-        :root { /* ... */ --bg-dark: #121212; --bg-card: #1e1e1e; --text-light: #e0e0e0; --accent: #4CAF50; --accent-dark: #3a8a3d; --danger: #f44336; --info: #2196F3; } * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; } body { background-color: var(--bg-dark); color: var(--text-light); min-height: 100vh; padding-bottom: 80px; } .container { width: 100%; max-width: 800px; margin: 0 auto; padding: 1rem; } header { padding: 1rem 0; text-align: center; border-bottom: 1px solid #333; margin-bottom: 1rem; } h1, h2, h3 { color: var(--accent); } .btn { background-color: var(--accent); color: white; border: none; padding: 0.6rem 1.2rem; border-radius: 4px; cursor: pointer; font-weight: bold; transition: background-color 0.2s; } .btn:hover { background-color: var(--accent-dark); } .btn:disabled { background-color: #555; cursor: not-allowed; } .btn-outline { background-color: transparent; color: var(--accent); border: 1px solid var(--accent); } .btn-outline:disabled { color: #555; border-color: #555; } .btn-danger { background-color: var(--danger); } .btn-info { background-color: var(--info); } input, select, textarea { width: 100%; padding: 0.6rem; margin-bottom: 1rem; background-color: #2a2a2a; border: 1px solid #444; border-radius: 4px; color: var(--text-light); } input[type="checkbox"] { width: auto; margin-right: 0.5rem; vertical-align: middle; } .card { background-color: var(--bg-card); border-radius: 8px; padding: 1rem; margin-bottom: 1rem; box-shadow: 0 2px 5px rgba(0,0,0,0.2); } .form-group { margin-bottom: 1rem; } .form-row { display: flex; gap: 0.5rem; margin-bottom: 0.5rem; flex-wrap: wrap; } .form-row > * { flex: 1; margin-bottom: 0; min-width: 100px; } label { display: block; margin-bottom: 0.3rem; color: #bbb; font-size: 0.9rem; } .exercise { border-left: 3px solid var(--accent); padding-left: 1rem; margin-bottom: 1.5rem; display: none; } .exercise.active-exercise { display: block; animation: fadeIn 0.3s ease-in-out; } .exercise-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; gap: 0.5rem;} .exercise-header input {margin-bottom: 0;} .series-container { margin-left: 0.5rem; margin-top: 0.5rem; } .series { background-color: #252525; padding: 0.7rem; border-radius: 4px; margin-bottom: 0.5rem; } .nav-bottom { position: fixed; bottom: 0; left: 0; width: 100%; background-color: #1a1a1a; display: flex; justify-content: space-around; padding: 0.7rem 0; box-shadow: 0 -2px 10px rgba(0,0,0,0.3); z-index: 10; } .nav-item { text-align: center; color: #888; text-decoration: none; font-size: 0.85rem; transition: color 0.2s; padding: 0 0.5rem;} .nav-item.active { color: var(--accent); } .nav-icon { font-size: 1.4rem; margin-bottom: 0.2rem; } .workout-card { border-left: 3px solid var(--accent); cursor: pointer; transition: transform 0.2s; } .workout-card:hover { transform: translateX(5px); } .workout-header { display: flex; justify-content: space-between; align-items: flex-start; } .stat-card { text-align: center; padding: 1rem; } .stat-value { font-size: 1.8rem; color: var(--accent); font-weight: bold; } .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 1rem; } .hidden { display: none; } #login-page { display: block; } #main-app-content { display: none; } #app-container > div:not(.active) { display: none !important; } .flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem;} .badge { background-color: var(--accent); color: white; padding: 0.2rem 0.5rem; border-radius: 10px; font-size: 0.8rem; white-space: nowrap; margin-left: 5px; } .badge.type-badge { background-color: var(--info); } .spinner { border: 4px solid rgba(0, 0, 0, 0.1); width: 36px; height: 36px; border-radius: 50%; border-left-color: var(--accent); animation: spin 1s linear infinite; margin: 2rem auto; display: none; } @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } } .exercise-summary { margin: 0.3rem 0; padding: 0.3rem 0; border-bottom: 1px solid #333; font-size: 0.9rem;} .exercise-summary:last-child { border-bottom: none; } .satisfaction { display: flex; align-items: center; justify-content: center; flex-direction: column; margin-top: 1rem; } .satisfaction-value { font-size: 2rem; color: var(--accent); margin-top: 0.5rem; } .exercise-navigation { display: flex; justify-content: space-between; margin-top: 1rem; margin-bottom: 1rem; } #login-page .card { max-width: 400px; margin: 2rem auto; } #login-page h2 { text-align: center; margin-bottom: 1.5rem; } #login-error { color: var(--danger); text-align: center; margin-top: 0.5rem; font-size: 0.9rem; display: none; min-height: 1.2em; } #login-form button { margin-top: 0.5rem;} .auth-switch { text-align: center; margin-top: 1.5rem; font-size: 0.9rem; } .auth-switch a { color: var(--accent); cursor: pointer; text-decoration: underline; } .user-info { text-align: right; margin-bottom: 1rem; font-size: 0.9rem; color: #bbb;} .user-info strong { color: var(--text-light); } .user-info button { margin-left: 0.5rem; padding: 0.2rem 0.5rem; font-size: 0.8rem; } #workout-types-list li { background-color: #2a2a2a; padding: 0.5rem 0.8rem; margin-bottom: 0.5rem; border-radius: 4px; border-left: 3px solid var(--info);} #add-type-form { display: flex; gap: 0.5rem; align-items: flex-end;} #add-type-form input { margin-bottom: 0; flex-grow: 1;} #add-type-form button { flex-shrink: 0; } #select-workout-type-page .card { text-align: center; } #select-workout-type-page .btn { margin-top: 1rem; } #select-workout-type { margin-bottom: 1rem;} @media (max-width: 600px) { .form-row { flex-direction: column; gap: 0; } .container { padding: 0.5rem; } h1 { font-size: 1.5rem; } .flex-between { flex-direction: column; align-items: stretch; } .flex-between > div { width: 100%; display: flex; justify-content: flex-end; margin-top: 0.5rem;} .user-info { text-align: center; margin-bottom: 0.5rem;} .user-info button { display: block; margin: 0.5rem auto 0;} .exercise-navigation button { padding: 0.5rem; font-size: 0.9rem;} #add-type-form { flex-direction: column; align-items: stretch;} } @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
     </style>
 </head>
 <body>
-    <!-- HTML Body Identique -->
-    <div class="container"> <header> <h1>LiftTrack</h1> <p>Suivi et Analyse de Séances</p> </header> <div id="login-page"> <div class="card"> <h2 id="auth-title">Connexion</h2> <form id="login-form"> <div class="form-group"> <label for="auth-email">Email</label> <input type="email" id="auth-email" placeholder="[email protected]" required> </div> <div class="form-group"> <label for="auth-password">Mot de passe</label> <input type="password" id="auth-password" placeholder="********" required> </div> <p id="login-error"></p> <button type="submit" id="auth-action-btn" class="btn" style="width: 100%;">Se Connecter</button> </form> <div class="auth-switch"> <span id="auth-switch-text">Pas encore de compte ?</span> <a id="auth-switch-link">Inscrivez-vous ici</a> </div> </div> </div> <div id="main-app-content"> <div class="user-info"> Connecté: <strong id="current-user-display"></strong> <button id="logout-btn" class="btn btn-outline">Déconnexion</button> </div> <div id="app-container"> <div id="home-page" class="active"> <div class="flex-between"> <h2>Mes séances</h2> <div> <button id="manage-types-btn" class="btn btn-outline" style="margin-right: 0.5rem;">Gérer Types</button> <button id="new-workout-btn" class="btn">Nouvelle séance</button> </div> </div> <div id="workouts-list" class="workout-list" style="margin-top: 1rem;"> <div class="spinner hidden"></div> <p id="empty-workout-message" class="hidden" style="text-align: center; margin-top: 2rem;"> Aucune séance enregistrée. </p> </div> </div> <div id="manage-types-page"> <div class="flex-between"> <h2>Gérer les Types de Séances</h2> <button class="btn btn-outline back-to-home-btn">Retour Accueil</button> </div> <div class="card"> <h3>Types Existants</h3> <ul id="workout-types-list" style="list-style: none; padding: 0; margin-top: 1rem;"> <li class="hidden" id="empty-types-message">Aucun type défini.</li> </ul> <div class="spinner hidden" id="types-spinner"></div> </div> <div class="card"> <h3>Ajouter un Nouveau Type</h3> <form id="add-type-form"> <input type="text" id="new-type-name" placeholder="Nom du type (ex: Dos, Jambes)" required> <button type="submit" class="btn">Ajouter</button> </form> <p id="add-type-error" style="color: var(--danger); font-size: 0.9rem; margin-top: 0.5rem;"></p> </div> </div> <div id="select-workout-type-page"> <div class="flex-between"> <h2>Démarrer une Nouvelle Séance</h2> <button class="btn btn-outline back-to-home-btn">Annuler</button> </div> <div class="card"> <h3>Choisir un Type Prédéfini</h3> <select id="select-workout-type"> <option value="">-- Sélectionner un type --</option> </select> <button id="start-structured-workout-btn" class="btn" disabled>Démarrer Séance Structurée</button> </div> <div class="card"> <h3>Ou démarrer une séance libre</h3> <button id="start-free-workout-btn" class="btn btn-info">Démarrer Séance Libre</button> </div> </div> <div id="new-workout-page"> <div class="flex-between"> <h2>Nouvelle séance <span id="workout-type-indicator" class="badge type-badge hidden"></span> <span id="current-exercise-indicator" style="font-size: 0.9rem; color: #ccc;"></span></h2> <div> <button id="cancel-new-workout-btn" class="btn btn-outline" style="margin-right: 0.5rem;">Annuler</button> <button id="save-workout-btn" class="btn">Enregistrer Séance</button> </div> </div> <div class="card"> <div class="form-group"> <label for="workout-name">Nom de la séance (optionnel si type défini)</label> <input type="text" id="workout-name" placeholder="Ex: Push Intense, Séance du Lundi..."> </div> <div class="form-row"> <div class="form-group"> <label for="workout-date">Date</label> <input type="date" id="workout-date"> </div> <div class="form-group"> <label for="workout-duration">Durée (min)</label> <input type="number" id="workout-duration" min="1" placeholder="60"> </div> </div> </div> <h3 style="margin: 1rem 0;">Exercices</h3> <div class="exercise-navigation card"> <button id="prev-exercise-btn" class="btn btn-outline">< Précédent</button> <span style="align-self: center; color: #ccc;">Exercice Actif</span> <button id="next-exercise-btn" class="btn btn-outline">Suivant ></button> </div> <div id="exercises-container"> </div> <button id="add-exercise-btn" class="btn btn-outline" style="width: 100%; margin-top: 1rem;">+ Ajouter un Nouvel Exercice</button> <div class="card" style="margin-top: 2rem;"> <div class="form-group"> <label for="satisfaction">Niveau de satisfaction (1-100%)</label> <input type="range" id="satisfaction" min="1" max="100" value="75"> <div class="satisfaction"> <span>Satisfaction</span> <div class="satisfaction-value">75%</div> </div> </div> </div> </div> <div id="workout-details-page"> <div class="flex-between"> <h2>Détail Séance <span id="detail-workout-type" class="badge type-badge hidden"></span></h2> <button class="btn btn-outline back-to-home-btn">Retour</button> </div> <div class="card"> <div class="workout-details-info"> <p><strong>Nom:</strong> <span id="detail-workout-name"></span></p> <div class="form-row"> <p><strong>Date:</strong> <span id="detail-date"></span></p> <p><strong>Durée:</strong> <span id="detail-duration"></span> min</p> </div> </div> </div> <div class="stats-grid" style="margin-top: 1rem;"> <div class="card stat-card"> <div class="stat-value" id="detail-tonnage">0</div> <div>Tonnage Total (kg)</div> </div> <div class="card stat-card"> <div class="stat-value" id="detail-satisfaction">0%</div> <div>Satisfaction</div> </div> <div class="card stat-card"> <div class="stat-value" id="detail-exercises-count">0</div> <div>Exercices</div> </div> </div> <h3 style="margin: 1.5rem 0 1rem;">Exercices Réalisés</h3> <div id="detail-exercises-container"> </div> <button id="delete-workout-btn" class="btn btn-danger" style="width: 100%; margin-top: 2rem;">Supprimer cette séance</button> </div> <div id="stats-page"> <h2>Statistiques</h2> <div class="stats-grid"> <div class="card stat-card"> <div class="stat-value" id="stats-workout-count">0</div> <div>Séances Totales</div> </div> <div class="card stat-card"> <div class="stat-value" id="stats-avg-tonnage">0</div> <div>Tonnage Moyen</div> </div> <div class="card stat-card"> <div class="stat-value" id="stats-avg-satisfaction">0%</div> <div>Satisfaction Moyenne</div> </div> </div> <h3 style="margin: 1.5rem 0 1rem;">Tendances et Comparaisons par Type</h3> <div class="card"> <p style="text-align: center; margin: 1rem 0; color: #888;"> (Fonctionnalité de comparaison par type non implémentée.) </p> </div> </div> </div> <nav class="nav-bottom"> <a href="#" class="nav-item active" data-page="home-page"> <div class="nav-icon">📋</div> <div>Séances</div> </a> <a href="#" class="nav-item" data-page="stats-page"> <div class="nav-icon">📊</div> <div>Stats</div> </a> </nav> </div>
-    <script> // Début du script principal
-        console.log("Script démarré.");
-        // =============== AJOUT FIREBASE ===============
         const firebaseConfig = { apiKey: "AIzaSyAkWvrRyXgrC7zbTtoh_GppsHMrz2rF7WM", authDomain: "lifttrackapp.firebaseapp.com", projectId: "lifttrackapp", storageBucket: "lifttrackapp.appspot.com", messagingSenderId: "594426771796", appId: "1:594426771796:web:789bef037ca0016c54b0c1", measurementId: "G-MXLFK0H160" };
-        let app, auth, db; // Déclarer ici
-        try {
-            app = firebase.initializeApp(firebaseConfig);
-            auth = firebase.auth();
-            db = firebase.firestore();
-            console.log("Firebase Initialisé !");
-        } catch (e) {
-            console.error("Erreur Initialisation Firebase:", e);
-            alert("Impossible d'initialiser la connexion à la base de données. Vérifiez la console.");
-        }
-        // =============== FIN AJOUT FIREBASE ===============
         // --- Variables d'État ---
         let workouts = []; let currentWorkoutId = null; let currentExerciseIndex = 0; let workoutExercisesForm = []; let currentFirebaseUser = null; let userWorkoutTypes = []; let selectedWorkoutTypeName = null;
-        // --- Éléments DOM (Déclarer d'abord les constantes) ---
-        const loginPage = document.getElementById('login-page'); const mainAppContent = document.getElementById('main-app-content'); const authEmailInput = document.getElementById('auth-email'); const authPasswordInput = document.getElementById('auth-password'); const loginForm = document.getElementById('login-form'); const authActionButton = document.getElementById('auth-action-btn'); const authSwitchLink = document.getElementById('auth-switch-link'); const authTitle = document.getElementById('auth-title'); const authSwitchText = document.getElementById('auth-switch-text'); const loginError = document.getElementById('login-error'); const currentUserDisplay = document.getElementById('current-user-display'); const logoutBtn = document.getElementById('logout-btn'); const spinner = document.querySelector('#workouts-list .spinner'); const appContainer = document.getElementById('app-container'); const navItems = document.querySelectorAll('.nav-item'); const newWorkoutBtn = document.getElementById('new-workout-btn'); const saveWorkoutBtn = document.getElementById('save-workout-btn'); const cancelNewWorkoutBtn = document.getElementById('cancel-new-workout-btn'); const addExerciseBtn = document.getElementById('add-exercise-btn'); const exercisesContainer = document.getElementById('exercises-container'); const workoutsList = document.getElementById('workouts-list'); const backToHomeBtns = document.querySelectorAll('.back-to-home-btn'); const deleteWorkoutBtn = document.getElementById('delete-workout-btn'); const satisfactionRange = document.getElementById('satisfaction'); const satisfactionValue = document.querySelector('.satisfaction-value'); const emptyWorkoutMessage = document.getElementById('empty-workout-message'); const workoutDateInput = document.getElementById('workout-date'); const prevExerciseBtn = document.getElementById('prev-exercise-btn'); const nextExerciseBtn = document.getElementById('next-exercise-btn'); const currentExerciseIndicator = document.getElementById('current-exercise-indicator'); const workoutTypeIndicator = document.getElementById('workout-type-indicator'); const detailWorkoutType = document.getElementById('detail-workout-type'); const manageTypesBtn = document.getElementById('manage-types-btn'); const manageTypesPage = document.getElementById('manage-types-page'); const workoutTypesList = document.getElementById('workout-types-list'); const emptyTypesMessage = document.getElementById('empty-types-message'); const typesSpinner = document.getElementById('types-spinner'); const addTypeForm = document.getElementById('add-type-form'); const newTypeNameInput = document.getElementById('new-type-name'); const addTypeError = document.getElementById('add-type-error'); const selectWorkoutTypePage = document.getElementById('select-workout-type-page'); const selectWorkoutTypeDropdown = document.getElementById('select-workout-type'); const startStructuredWorkoutBtn = document.getElementById('start-structured-workout-btn'); const startFreeWorkoutBtn = document.getElementById('start-free-workout-btn');
         let isLoginMode = true;
         // ===========================================
-        // --- DÉFINITION DE TOUTES LES FONCTIONS ---
         // ===========================================
-        function initAuthListener() { if (!auth) return; auth.onAuthStateChanged(user => { console.log("Auth state changed:", user ? user.uid : 'null'); if (user) { currentFirebaseUser = user; showApp(); } else { currentFirebaseUser = null; workouts = []; userWorkoutTypes = []; renderWorkoutsList(); renderWorkoutTypesList(); showLoginPage(); } }); }
-        function showLoginPage() { if(loginPage) loginPage.style.display = 'block'; if(mainAppContent) mainAppContent.style.display = 'none'; }
-        function showApp() { if (!currentFirebaseUser || !mainAppContent) return; console.log("Affichage App"); if(loginPage) loginPage.style.display = 'none'; mainAppContent.style.display = 'block'; if(currentUserDisplay) currentUserDisplay.textContent = currentFirebaseUser.email; setTodayDate(); loadWorkouts(); loadWorkoutTypes(); showPage('home-page'); }
-        function handleAuthAction(event) { if(!auth) return; event.preventDefault(); const email = authEmailInput.value; const password = authPasswordInput.value; loginError.textContent = ''; if (!email || !password) { loginError.textContent = 'Email/Pass requis.'; return; } authActionButton.disabled = true; authActionButton.textContent = 'Chargement...'; if (isLoginMode) { auth.signInWithEmailAndPassword(email, password).catch(handleAuthError).finally(() => { authActionButton.disabled = false; authActionButton.textContent = 'Se Connecter'; }); } else { auth.createUserWithEmailAndPassword(email, password).catch(handleAuthError).finally(() => { authActionButton.disabled = false; authSwitchMode(); authActionButton.textContent = 'S\'inscrire'; }); } }
-        function handleLogout() { if(!auth) return; console.log("Déconnexion..."); auth.signOut().catch(handleAuthError); }
-        function authSwitchMode() { isLoginMode = !isLoginMode; loginError.textContent = ''; authTitle.textContent=isLoginMode?'Connexion':'Inscription'; authActionButton.textContent=isLoginMode?'Se Connecter':'S\'inscrire'; authSwitchText.textContent=isLoginMode?'Pas de compte ?':'Déjà un compte ?'; authSwitchLink.textContent=isLoginMode?'Inscrivez-vous':'Connectez-vous'; }
-        function handleAuthError(error) { console.error("Erreur Auth:", error); loginError.textContent = getAuthErrorMessage(error); }
-        function getAuthErrorMessage(error) { switch (error.code) { case 'auth/invalid-email': return 'Email invalide.'; case 'auth/user-disabled': return 'Compte désactivé.'; case 'auth/user-not-found': return 'Utilisateur inconnu.'; case 'auth/wrong-password': return 'Mot de passe incorrect.'; case 'auth/email-already-in-use': return 'Email déjà utilisé.'; case 'auth/weak-password': return 'Mot de passe trop faible.'; default: return 'Erreur authentification.'; } }
-        function loadWorkoutTypes() { if (!currentFirebaseUser || !db) return; const userId = currentFirebaseUser.uid; console.log("Chargement types..."); userWorkoutTypes = []; if (typesSpinner) typesSpinner.classList.remove('hidden'); db.collection('workoutTypes').where('userId', '==', userId).orderBy('name').get().then(snapshot => { snapshot.forEach(doc => userWorkoutTypes.push({ id: doc.id, ...doc.data() })); console.log("Types chargés:", userWorkoutTypes); renderWorkoutTypesList(); populateWorkoutTypeSelector(); }).catch(handleFirestoreError).finally(() => { if (typesSpinner) typesSpinner.classList.add('hidden'); }); }
-        function renderWorkoutTypesList() { if (!workoutTypesList) return; workoutTypesList.innerHTML = ''; if (userWorkoutTypes.length === 0) { if(emptyTypesMessage) emptyTypesMessage.classList.remove('hidden'); } else { if(emptyTypesMessage) emptyTypesMessage.classList.add('hidden'); userWorkoutTypes.forEach(type => { const li = document.createElement('li'); li.textContent = type.name; workoutTypesList.appendChild(li); }); } }
-        function handleAddWorkoutType(event) { event.preventDefault(); if (!currentFirebaseUser || !newTypeNameInput || !db) return; const typeName = newTypeNameInput.value.trim(); addTypeError.textContent = ''; if (!typeName) { addTypeError.textContent = "Nom vide."; return; } if (userWorkoutTypes.some(t => t.name.toLowerCase() === typeName.toLowerCase())) { addTypeError.textContent = "Type existe déjà."; return; } console.log("Ajout type:", typeName); const typeData = { userId: currentFirebaseUser.uid, name: typeName }; db.collection('workoutTypes').add(typeData).then(() => { console.log("Type ajouté"); newTypeNameInput.value = ''; loadWorkoutTypes(); }).catch(handleFirestoreError); }
-        function populateWorkoutTypeSelector() { if (!selectWorkoutTypeDropdown) return; selectWorkoutTypeDropdown.innerHTML = '<option value="">-- Sélectionner un type --</option>'; userWorkoutTypes.forEach(type => { const option = document.createElement('option'); option.value = type.name; option.textContent = type.name; selectWorkoutTypeDropdown.appendChild(option); }); updateStartStructuredBtnState(); }
-        function updateStartStructuredBtnState() { if (!selectWorkoutTypeDropdown || !startStructuredWorkoutBtn) return; startStructuredWorkoutBtn.disabled = !selectWorkoutTypeDropdown.value; }
-        function loadWorkouts() { if (!currentFirebaseUser || !db) { console.log("Chargement séances annulé."); workouts = []; renderWorkoutsList(); showPage('home-page'); return; } const userId = currentFirebaseUser.uid; console.log(`Chargement séances ${userId}...`); if (spinner) spinner.classList.remove('hidden'); if(emptyWorkoutMessage) emptyWorkoutMessage.classList.add('hidden'); if(workoutsList) workoutsList.innerHTML = ''; workouts = []; db.collection('workouts').where('userId', '==', userId).orderBy('date', 'desc').get().then((querySnapshot) => { console.log(`${querySnapshot.size} séances trouvées.`); querySnapshot.forEach((doc) => { const workoutData = doc.data(); workoutData.firestoreId = doc.id; workouts.push(workoutData); }); renderWorkoutsList(); showPage('home-page'); }).catch(handleFirestoreError).finally(() => { if (spinner) spinner.classList.add('hidden'); }); }
-        function saveWorkout() { if (!currentFirebaseUser || !db) { alert("Non connecté."); return; } const userId = currentFirebaseUser.uid; workoutExercisesForm = Array.from(exercisesContainer.querySelectorAll('.exercise')); const workoutNameInput = document.getElementById('workout-name'); const workoutName = workoutNameInput ? workoutNameInput.value.trim() : ''; const workoutDate = workoutDateInput.value; const workoutDuration = parseInt(document.getElementById('workout-duration').value) || 0; const satisfaction = parseInt(satisfactionRange.value); if (!selectedWorkoutTypeName) { alert("Erreur: Type de séance non défini."); return; } if (!workoutDate || workoutDuration <= 0) { alert("Données invalides."); return; } const exerciseElements = workoutExercisesForm; const exercises = []; if (exerciseElements.length === 0) { alert("Ajoutez exercices."); return; } let validationError = null; exerciseElements.forEach((exerciseEl, index) => { if (validationError) return; const nameInput = exerciseEl.querySelector('.exercise-name'); const exerciseName = nameInput ? nameInput.value.trim() : ''; const isUnilateral = exerciseEl.querySelector('.unilateral-checkbox').checked; if (!exerciseName) { validationError = `Nommez exo #${index + 1}.`; if(nameInput) nameInput.focus(); return; } const series = []; const seriesElements = exerciseEl.querySelectorAll('.series'); if (seriesElements.length === 0) { validationError = `"${exerciseName}" sans série.`; return; } seriesElements.forEach(seriesEl => { if (validationError) return; const repsInput = seriesEl.querySelector('.reps'); const weightInput = seriesEl.querySelector('.weight'); const reps = parseInt(repsInput.value) || 0; const weight = parseFloat(weightInput.value) || 0; const isDegressive = seriesEl.querySelector('.degressive-checkbox').checked; if (reps <= 0) { validationError = `Reps invalides: "${exerciseName}".`; if(repsInput) repsInput.focus(); return; } if (weight < 0) { validationError = `Charge invalide: "${exerciseName}".`; if(weightInput) weightInput.focus(); return; } series.push({ reps, weight, isDegressive }); }); if (!validationError) { exercises.push({ name: exerciseName, isUnilateral, series }); } }); if (validationError) { alert(validationError); return; } let totalTonnage = 0; exercises.forEach(ex => ex.series.forEach(s => totalTonnage += s.reps * s.weight * (ex.isUnilateral ? 2 : 1))); const finalWorkoutName = workoutName || selectedWorkoutTypeName; const workout = { id: currentWorkoutId || `workout-${Date.now()}`, userId: userId, workoutTypeName: selectedWorkoutTypeName, name: finalWorkoutName, date: workoutDate, duration: workoutDuration, exercises: exercises, totalTonnage: totalTonnage, satisfaction: satisfaction }; console.log("Sauvegarde:", workout); saveWorkoutBtn.disabled = true; saveWorkoutBtn.textContent = 'Sauvegarde...'; db.collection('workouts').doc(workout.id).set(workout).then(() => { console.log("Sauvegardé:", workout.id); const existingIndex = workouts.findIndex(w => w.id === workout.id); if (existingIndex > -1) workouts[existingIndex] = workout; else workouts.push(workout); confetti({ particleCount: 150, spread: 90, origin: { y: 0.6 } }); showPage('home-page'); renderWorkoutsList(); }).catch(handleFirestoreError).finally(() => { saveWorkoutBtn.disabled = false; saveWorkoutBtn.textContent = 'Enregistrer Séance'; }); }
-        function deleteWorkout() { if (!currentFirebaseUser || !currentWorkoutId || !db) return; const workoutToDelete = workouts.find(w => w.id === currentWorkoutId); if (!workoutToDelete) return; const confirmDelete = confirm(`Supprimer "${workoutToDelete.name}"?`); if (!confirmDelete) return; console.log("Suppression:", currentWorkoutId); deleteWorkoutBtn.disabled = true; deleteWorkoutBtn.textContent = 'Suppression...'; db.collection('workouts').doc(currentWorkoutId).delete().then(() => { console.log("Supprimé:", currentWorkoutId); workouts = workouts.filter(w => w.id !== currentWorkoutId); currentWorkoutId = null; showPage('home-page'); renderWorkoutsList(); }).catch(handleFirestoreError).finally(() => { deleteWorkoutBtn.disabled = false; deleteWorkoutBtn.textContent = 'Supprimer'; }); }
-        function setTodayDate() { if(workoutDateInput) try { workoutDateInput.value = new Date().toISOString().split('T')[0]; } catch(e){ console.error("Erreur date:", e); }}
-        function showPage(pageId) { console.log(`Affichage page: ${pageId}`); if (!currentFirebaseUser && pageId !== 'login-page') { showLoginPage(); return; } document.querySelectorAll('#app-container > div').forEach(page => page.classList.remove('active')); const pageToShow = document.getElementById(pageId); if (pageToShow) { pageToShow.classList.add('active'); if (pageId === 'new-workout-page') { triggerFlameAnimation(); renderActiveExerciseForm(); updateWorkoutTypeIndicator(); } if (pageId === 'manage-types-page') { loadWorkoutTypes(); } if (pageId === 'select-workout-type-page') { populateWorkoutTypeSelector(); } } else { console.error(`Page ID "${pageId}" non trouvée.`); document.getElementById('home-page').classList.add('active'); pageId = 'home-page'; } navItems.forEach(item => { item.classList.remove('active'); }); const activeNavItem = document.querySelector(`.nav-item[data-page="${pageId === 'stats-page' ? 'stats-page' : 'home-page'}"]`); if(activeNavItem) activeNavItem.classList.add('active'); }
-        function triggerFlameAnimation() { const duration = 1 * 1000; const animationEnd = Date.now() + duration; const defaults = { startVelocity: 30, spread: 360, ticks: 60, zIndex: 0 }; function randomInRange(min, max) { return Math.random() * (max - min) + min; } const interval = setInterval(function() { const timeLeft = animationEnd - Date.now(); if (timeLeft <= 0) return clearInterval(interval); const particleCount = 50 * (timeLeft / duration); confetti(Object.assign({}, defaults, { particleCount, origin: { x: randomInRange(0.3, 0.7), y: Math.random() - 0.2 }, angle: randomInRange(240, 300), spread: randomInRange(50, 90), gravity: 0.5, drift: randomInRange(-1, 1), colors: ['#ff6f00', '#ff8f00', '#ffa000', '#ffcc00'] })); }, 250); }
-        function handleAddNewExercise() { addExercise(true); }
-        function addExercise(navigateToNew = false) { if (!currentFirebaseUser) return; const exerciseId = `exercise-${Date.now()}`; const exerciseDiv = document.createElement('div'); exerciseDiv.className = 'card exercise'; exerciseDiv.setAttribute('data-exercise-id', exerciseId); exerciseDiv.innerHTML = `<div class="exercise-header"> <input type="text" placeholder="Nom Exercice" class="exercise-name"> <button class="btn btn-danger remove-exercise" style="padding: 0.3rem 0.6rem; flex-shrink: 0;">×</button> </div> <div class="form-group" style="margin-top: 0.5rem; margin-bottom: 0.5rem;"> <label style="display: inline-flex; align-items: center; color: #bbb; font-size: 0.9rem;"> <input type="checkbox" class="unilateral-checkbox"> Unilatéral </label> </div> <div class="series-container"></div> <button class="btn btn-outline add-series" style="width: 100%; margin-top: 0.5rem; padding: 0.4rem;">+ Ajouter Série</button>`; exercisesContainer.appendChild(exerciseDiv); workoutExercisesForm = Array.from(exercisesContainer.querySelectorAll('.exercise')); const removeBtn = exerciseDiv.querySelector('.remove-exercise'); removeBtn.addEventListener('click', () => { const indexToRemove = workoutExercisesForm.indexOf(exerciseDiv); if (indexToRemove > -1) { exerciseDiv.remove(); workoutExercisesForm = Array.from(exercisesContainer.querySelectorAll('.exercise')); if (currentExerciseIndex >= indexToRemove) currentExerciseIndex = Math.max(0, currentExerciseIndex - 1); if (currentExerciseIndex >= workoutExercisesForm.length) currentExerciseIndex = Math.max(0, workoutExercisesForm.length - 1); renderActiveExerciseForm(); } }); const addSeriesBtn = exerciseDiv.querySelector('.add-series'); const seriesContainer = exerciseDiv.querySelector('.series-container'); addSeriesBtn.addEventListener('click', () => addSeries(seriesContainer)); addSeries(seriesContainer); if (navigateToNew) { currentExerciseIndex = workoutExercisesForm.length - 1; renderActiveExerciseForm(); } else updateExerciseNavButtons(); }
-        function addSeries(container) { if (!currentFirebaseUser || !container) return; const seriesId = `series-${Date.now()}`; const seriesDiv = document.createElement('div'); seriesDiv.className = 'series'; seriesDiv.setAttribute('data-series-id', seriesId); seriesDiv.innerHTML = `<div class="form-row" style="align-items: flex-end; gap: 0.8rem;"> <div class="form-group" style="flex: 1.2;"> <label>Reps</label> <input type="number" class="reps" min="1" placeholder="10" style="padding: 0.4rem;"> </div> <div class="form-group" style="flex: 1.2;"> <label>Charge (kg)</label> <input type="number" class="weight" min="0" step="0.1" placeholder="20" style="padding: 0.4rem;"> </div> <div class="form-group" style="flex: 1; display: flex; align-items: center; padding-bottom: 0.6rem; min-width: 100px;"> <label style="display: inline-flex; align-items: center; color: #bbb; font-size: 0.8rem; margin-bottom: 0; white-space: nowrap;"> <input type="checkbox" class="degressive-checkbox" style="margin-right: 0.3rem;"> Dégressive </label> </div> <button class="btn btn-danger remove-series" style="padding: 0.3rem 0.6rem; margin-bottom: 0.6rem; flex-basis: 30px; flex-grow: 0; align-self: center;">×</button> </div>`; container.appendChild(seriesDiv); const removeBtn = seriesDiv.querySelector('.remove-series'); removeBtn.addEventListener('click', () => seriesDiv.remove()); }
-        function navigateExerciseForm(direction) { workoutExercisesForm = Array.from(exercisesContainer.querySelectorAll('.exercise')); const newIndex = currentExerciseIndex + direction; if (newIndex >= 0 && newIndex < workoutExercisesForm.length) { currentExerciseIndex = newIndex; renderActiveExerciseForm(); } }
-        function renderActiveExerciseForm() { workoutExercisesForm = Array.from(exercisesContainer.querySelectorAll('.exercise')); workoutExercisesForm.forEach(ex => ex.classList.remove('active-exercise')); if (currentExerciseIndex >= 0 && currentExerciseIndex < workoutExercisesForm.length) workoutExercisesForm[currentExerciseIndex].classList.add('active-exercise'); updateExerciseNavButtons(); }
-        function updateExerciseNavButtons() { const totalExercises = workoutExercisesForm.length; if (totalExercises === 0) { currentExerciseIndicator.textContent = "(Aucun exercice)"; prevExerciseBtn.disabled = true; nextExerciseBtn.disabled = true; } else { currentExerciseIndicator.textContent = `(${currentExerciseIndex + 1}/${totalExercises})`; prevExerciseBtn.disabled = currentExerciseIndex === 0; nextExerciseBtn.disabled = currentExerciseIndex === totalExercises - 1; } }
-        function clearNewWorkoutForm(typeName = "Libre") { console.log("Nettoyage form pour type:", typeName); if (!currentFirebaseUser) return; selectedWorkoutTypeName = typeName; const workoutNameInput = document.getElementById('workout-name'); if(workoutNameInput) workoutNameInput.value = (typeName === "Libre" ? "" : typeName); if(workoutDateInput) setTodayDate(); if(document.getElementById('workout-duration')) document.getElementById('workout-duration').value = ''; if(exercisesContainer) exercisesContainer.innerHTML = ''; workoutExercisesForm = []; if(satisfactionRange) satisfactionRange.value = 75; if(satisfactionValue) satisfactionValue.textContent = '75%'; currentWorkoutId = null; currentExerciseIndex = 0; addExercise(false); updateWorkoutTypeIndicator(); renderActiveExerciseForm(); }
-        function updateWorkoutTypeIndicator() { if (!workoutTypeIndicator) return; if (selectedWorkoutTypeName && selectedWorkoutTypeName !== "Libre") { workoutTypeIndicator.textContent = selectedWorkoutTypeName; workoutTypeIndicator.classList.remove('hidden'); } else { workoutTypeIndicator.classList.add('hidden'); } }
-        function renderWorkoutsList() { if (!currentFirebaseUser) { workoutsList.innerHTML = ''; emptyWorkoutMessage.classList.remove('hidden'); updateStats(); return; } workoutsList.innerHTML = ''; if (workouts.length === 0) { emptyWorkoutMessage.classList.remove('hidden'); } else { emptyWorkoutMessage.classList.add('hidden'); const sortedWorkouts = [...workouts].sort((a, b) => new Date(b.date) - new Date(a.date)); sortedWorkouts.forEach(workout => { const workoutDate = new Date(workout.date).toLocaleDateString('fr-FR', { year: 'numeric', month: 'short', day: 'numeric' }); const workoutDiv = document.createElement('div'); workoutDiv.className = 'card workout-card'; workoutDiv.setAttribute('data-workout-id', workout.id); const typeBadge = workout.workoutTypeName && workout.workoutTypeName !== "Libre" ? `<span class="badge type-badge">${workout.workoutTypeName}</span>` : ''; workoutDiv.innerHTML = `<div class="workout-header"><h3 style="margin-bottom: 0.5rem;">${workout.name} ${typeBadge}</h3><div class="badge">${workoutDate}</div></div><div class="workout-details" style="font-size: 0.9rem; color: #ccc; margin-top: 0.5rem;"><span>${workout.duration} min</span> | <span>${workout.exercises.length} exo${workout.exercises.length > 1 ? 's' : ''}</span> | <span>${workout.totalTonnage.toFixed(1)} kg</span> | <span>${workout.satisfaction}%</span></div>`; workoutDiv.addEventListener('click', () => displayWorkoutDetails(workout.id)); workoutsList.appendChild(workoutDiv); }); } updateStats(); }
-        function displayWorkoutDetails(workoutId) { if (!currentFirebaseUser) return; const workout = workouts.find(w => w.id === workoutId); if (!workout) { showPage('home-page'); return; } if(detailWorkoutType) { if (workout.workoutTypeName && workout.workoutTypeName !== "Libre") { detailWorkoutType.textContent = workout.workoutTypeName; detailWorkoutType.classList.remove('hidden'); } else detailWorkoutType.classList.add('hidden'); } if(document.getElementById('detail-workout-name')) document.getElementById('detail-workout-name').textContent = workout.name; if(document.getElementById('detail-date')) document.getElementById('detail-date').textContent = new Date(workout.date).toLocaleDateString('fr-FR'); if(document.getElementById('detail-duration')) document.getElementById('detail-duration').textContent = workout.duration; if(document.getElementById('detail-tonnage')) document.getElementById('detail-tonnage').textContent = workout.totalTonnage.toFixed(1); if(document.getElementById('detail-satisfaction')) document.getElementById('detail-satisfaction').textContent = `${workout.satisfaction}%`; if(document.getElementById('detail-exercises-count')) document.getElementById('detail-exercises-count').textContent = workout.exercises.length; const detailExercisesContainer = document.getElementById('detail-exercises-container'); if(detailExercisesContainer) { detailExercisesContainer.innerHTML = ''; workout.exercises.forEach((exercise) => { const exerciseDiv = document.createElement('div'); exerciseDiv.className = 'card detail-exercise-card'; let seriesHtml = ''; exercise.series.forEach((serie, sIndex) => { const degressiveLabel = serie.isDegressive ? ' <span class="badge" style="font-size: 0.7rem; background-color: var(--accent-dark);">Dégr.</span>' : ''; const weightFactor = exercise.isUnilateral ? 2 : 1; const seriesTonnage = serie.reps * serie.weight * weightFactor; seriesHtml += `<div class="exercise-summary"><div class="flex-between"><span>Série ${sIndex + 1}: ${serie.reps} reps × ${serie.weight} kg${degressiveLabel}</span><span style="color: #aaa;">(${seriesTonnage.toFixed(1)} kg)</span></div></div>`; }); const unilateralLabel = exercise.isUnilateral ? ' <span class="badge" style="font-size: 0.7rem;">Unilat.</span>' : ''; exerciseDiv.innerHTML = `<h3 style="font-size: 1.1rem; margin-bottom: 0.5rem;">${exercise.name}${unilateralLabel}</h3> <div class="series-summary-container"> ${seriesHtml} </div>`; detailExercisesContainer.appendChild(exerciseDiv); }); } currentWorkoutId = workoutId; showPage('workout-details-page'); }
-        function updateStats() { if (!currentFirebaseUser) return; const workoutCount = workouts.length; const statsWorkoutCountEl = document.getElementById('stats-workout-count'); const statsAvgTonnageEl = document.getElementById('stats-avg-tonnage'); const statsAvgSatisfactionEl = document.getElementById('stats-avg-satisfaction'); if (!statsWorkoutCountEl || !statsAvgTonnageEl || !statsAvgSatisfactionEl) return; statsWorkoutCountEl.textContent = workoutCount; if (workoutCount === 0) { statsAvgTonnageEl.textContent = '0'; statsAvgSatisfactionEl.textContent = '0%'; return; } const totalTonnageAll = workouts.reduce((sum, workout) => sum + (workout.totalTonnage || 0), 0); const avgTonnage = totalTonnageAll / workoutCount; statsAvgTonnageEl.textContent = avgTonnage.toFixed(1); const totalSatisfaction = workouts.reduce((sum, workout) => sum + (workout.satisfaction || 0), 0); const avgSatisfaction = totalSatisfaction / workoutCount; statsAvgSatisfactionEl.textContent = `${Math.round(avgSatisfaction)}%`; }
-        function handleFirestoreError(error) { console.error("Erreur Firestore:", error); alert("Une erreur est survenue avec la base de données."); }
         // --- ÉCOUTEURS D'ÉVÉNEMENTS (Attachés ici) ---
         function initEventListeners() {
@@ -86,7 +204,7 @@
              if (loginForm) loginForm.addEventListener('submit', handleAuthAction); else console.error("!loginForm");
              if (authSwitchLink) authSwitchLink.addEventListener('click', authSwitchMode); else console.error("!authSwitchLink");
              if (logoutBtn) logoutBtn.addEventListener('click', handleLogout); else console.error("!logoutBtn");
-             navItems.forEach((item, index) => { if(item) item.addEventListener('click', (e) => { e.preventDefault(); if (!currentFirebaseUser) return; const targetPageId = item.getAttribute('data-page'); showPage(targetPageId); /* ... MAJ nav active ... */ }); else console.error(`!navItem #${index}`); });
              if (newWorkoutBtn) newWorkoutBtn.addEventListener('click', () => { if (!currentFirebaseUser) return; showPage('select-workout-type-page'); }); else console.error("!newWorkoutBtn");
              if (manageTypesBtn) manageTypesBtn.addEventListener('click', () => showPage('manage-types-page')); else console.error("!manageTypesBtn");
              if (addTypeForm) addTypeForm.addEventListener('submit', handleAddWorkoutType); else console.error("!addTypeForm");
@@ -109,14 +227,9 @@
         // ==================================================
         // --- INITIALISATION ---
-        if (auth) {
-            initAuthListener();
-        } else {
-            console.error("Firebase Auth non prêt!");
-        }
-        initEventListeners(); // Appeler après que toutes les fonctions sont définies
     </script>
 </body>
-</html>

 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>LiftTrack - Stats par Type</title>
     <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/confetti.browser.min.js"></script>
     <script src="https://www.gstatic.com/firebasejs/8.10.1/firebase-app.js"></script>
     <script src="https://www.gstatic.com/firebasejs/8.10.1/firebase-auth.js"></script>
     <script src="https://www.gstatic.com/firebasejs/8.10.1/firebase-firestore.js"></script>
     <style>
+        /* CSS Identique, sauf peut-être quelques ajustements mineurs pour la nouvelle section stats */
+        :root { /* ... */ --bg-dark: #121212; --bg-card: #1e1e1e; --text-light: #e0e0e0; --accent: #4CAF50; --accent-dark: #3a8a3d; --danger: #f44336; --info: #2196F3; } * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; } body { background-color: var(--bg-dark); color: var(--text-light); min-height: 100vh; padding-bottom: 80px; } .container { width: 100%; max-width: 800px; margin: 0 auto; padding: 1rem; } header { padding: 1rem 0; text-align: center; border-bottom: 1px solid #333; margin-bottom: 1rem; } h1, h2, h3 { color: var(--accent); } .btn { background-color: var(--accent); color: white; border: none; padding: 0.6rem 1.2rem; border-radius: 4px; cursor: pointer; font-weight: bold; transition: background-color 0.2s; } .btn:hover { background-color: var(--accent-dark); } .btn:disabled { background-color: #555; cursor: not-allowed; } .btn-outline { background-color: transparent; color: var(--accent); border: 1px solid var(--accent); } .btn-outline:disabled { color: #555; border-color: #555; } .btn-danger { background-color: var(--danger); } .btn-info { background-color: var(--info); } input, select, textarea { width: 100%; padding: 0.6rem; margin-bottom: 1rem; background-color: #2a2a2a; border: 1px solid #444; border-radius: 4px; color: var(--text-light); } input[type="checkbox"] { width: auto; margin-right: 0.5rem; vertical-align: middle; } .card { background-color: var(--bg-card); border-radius: 8px; padding: 1rem; margin-bottom: 1rem; box-shadow: 0 2px 5px rgba(0,0,0,0.2); } .form-group { margin-bottom: 1rem; } .form-row { display: flex; gap: 0.5rem; margin-bottom: 0.5rem; flex-wrap: wrap; } .form-row > * { flex: 1; margin-bottom: 0; min-width: 100px; } label { display: block; margin-bottom: 0.3rem; color: #bbb; font-size: 0.9rem; } .exercise { border-left: 3px solid var(--accent); padding-left: 1rem; margin-bottom: 1.5rem; display: none; } .exercise.active-exercise { display: block; animation: fadeIn 0.3s ease-in-out; } .exercise-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; gap: 0.5rem;} .exercise-header input {margin-bottom: 0;} .series-container { margin-left: 0.5rem; margin-top: 0.5rem; } .series { background-color: #252525; padding: 0.7rem; border-radius: 4px; margin-bottom: 0.5rem; } .nav-bottom { position: fixed; bottom: 0; left: 0; width: 100%; background-color: #1a1a1a; display: flex; justify-content: space-around; padding: 0.7rem 0; box-shadow: 0 -2px 10px rgba(0,0,0,0.3); z-index: 10; } .nav-item { text-align: center; color: #888; text-decoration: none; font-size: 0.85rem; transition: color 0.2s; padding: 0 0.5rem;} .nav-item.active { color: var(--accent); } .nav-icon { font-size: 1.4rem; margin-bottom: 0.2rem; } .workout-card { border-left: 3px solid var(--accent); cursor: pointer; transition: transform 0.2s; } .workout-card:hover { transform: translateX(5px); } .workout-header { display: flex; justify-content: space-between; align-items: flex-start; } .stat-card { text-align: center; padding: 1rem; } .stat-value { font-size: 1.8rem; color: var(--accent); font-weight: bold; } .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 1rem; } .hidden { display: none; } #login-page { display: block; } #main-app-content { display: none; } #app-container > div:not(.active) { display: none !important; } .flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem;} .badge { background-color: var(--accent); color: white; padding: 0.2rem 0.5rem; border-radius: 10px; font-size: 0.8rem; white-space: nowrap; margin-left: 5px; } .badge.type-badge { background-color: var(--info); } .spinner { border: 4px solid rgba(0, 0, 0, 0.1); width: 36px; height: 36px; border-radius: 50%; border-left-color: var(--accent); animation: spin 1s linear infinite; margin: 2rem auto; display: none; } @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } } .exercise-summary { margin: 0.3rem 0; padding: 0.3rem 0; border-bottom: 1px solid #333; font-size: 0.9rem;} .exercise-summary:last-child { border-bottom: none; } .satisfaction { display: flex; align-items: center; justify-content: center; flex-direction: column; margin-top: 1rem; } .satisfaction-value { font-size: 2rem; color: var(--accent); margin-top: 0.5rem; } .exercise-navigation { display: flex; justify-content: space-between; margin-top: 1rem; margin-bottom: 1rem; } #login-page .card { max-width: 400px; margin: 2rem auto; } #login-page h2 { text-align: center; margin-bottom: 1.5rem; } #login-error { color: var(--danger); text-align: center; margin-top: 0.5rem; font-size: 0.9rem; display: none; min-height: 1.2em; } #login-form button { margin-top: 0.5rem;} .auth-switch { text-align: center; margin-top: 1.5rem; font-size: 0.9rem; } .auth-switch a { color: var(--accent); cursor: pointer; text-decoration: underline; } .user-info { text-align: right; margin-bottom: 1rem; font-size: 0.9rem; color: #bbb;} .user-info strong { color: var(--text-light); } .user-info button { margin-left: 0.5rem; padding: 0.2rem 0.5rem; font-size: 0.8rem; } #workout-types-list li { display: flex; justify-content: space-between; align-items: center; background-color: #2a2a2a; padding: 0.5rem 0.8rem; margin-bottom: 0.5rem; border-radius: 4px; border-left: 3px solid var(--info);} #add-type-form { display: flex; gap: 0.5rem; align-items: flex-end;} #add-type-form input { margin-bottom: 0; flex-grow: 1;} #add-type-form button { flex-shrink: 0; } #select-workout-type-page .card { text-align: center; } #select-workout-type-page .btn { margin-top: 1rem; } #select-workout-type { margin-bottom: 1rem;}
+        .type-trend-card h4 { color: var(--info); border-bottom: 1px solid #444; padding-bottom: 0.5rem; margin-bottom: 0.8rem;}
+        .type-trend-card ul { list-style: none; padding: 0; font-size: 0.9rem; }
+        .type-trend-card li { margin-bottom: 0.4rem; color: #ccc; display: flex; justify-content: space-between; }
+        .type-trend-card li span:first-child { color: #aaa; font-size: 0.8rem;}
+         @media (max-width: 600px) { .form-row { flex-direction: column; gap: 0; } .container { padding: 0.5rem; } h1 { font-size: 1.5rem; } .flex-between { flex-direction: column; align-items: stretch; } .flex-between > div { width: 100%; display: flex; justify-content: flex-end; margin-top: 0.5rem;} .user-info { text-align: center; margin-bottom: 0.5rem;} .user-info button { display: block; margin: 0.5rem auto 0;} .exercise-navigation button { padding: 0.5rem; font-size: 0.9rem;} #add-type-form { flex-direction: column; align-items: stretch;} } @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
     </style>
 </head>
 <body>
+    <!-- HTML Body (structure externe identique) -->
+    <div class="container">
+        <header> <h1>LiftTrack</h1> <p>Suivi et Analyse de Séances</p> </header>
+        <div id="login-page"> <!-- ... Login Form ... --> <div class="card"> <h2 id="auth-title">Connexion</h2> <form id="login-form"> <div class="form-group"> <label for="auth-email">Email</label> <input type="email" id="auth-email" placeholder="[email protected]" required> </div> <div class="form-group"> <label for="auth-password">Mot de passe</label> <input type="password" id="auth-password" placeholder="********" required> </div> <p id="login-error"></p> <button type="submit" id="auth-action-btn" class="btn" style="width: 100%;">Se Connecter</button> </form> <div class="auth-switch"> <span id="auth-switch-text">Pas encore de compte ?</span> <a id="auth-switch-link">Inscrivez-vous ici</a> </div> </div> </div>
+        <div id="main-app-content">
+            <div class="user-info"> Connecté: <strong id="current-user-display"></strong> <button id="logout-btn" class="btn btn-outline">Déconnexion</button> </div>
+            <div id="app-container">
+                <!-- Page Accueil -->
+                <div id="home-page" class="active"> <div class="flex-between"> <h2>Mes séances</h2> <div> <button id="manage-types-btn" class="btn btn-outline" style="margin-right: 0.5rem;">Gérer Types</button> <button id="new-workout-btn" class="btn">Nouvelle séance</button> </div> </div> <div id="workouts-list" class="workout-list" style="margin-top: 1rem;"> <div class="spinner hidden"></div> <p id="empty-workout-message" class="hidden" style="text-align: center; margin-top: 2rem;"> Aucune séance enregistrée. </p> </div> </div>
+                <!-- Page Gérer Types -->
+                <div id="manage-types-page"> <div class="flex-between"> <h2>Gérer les Types</h2> <button class="btn btn-outline back-to-home-btn">Retour</button> </div> <div class="card"> <h3>Types Existants</h3> <ul id="workout-types-list" style="list-style: none; padding: 0; margin-top: 1rem;"> <li class="hidden" id="empty-types-message">Aucun type défini.</li> </ul> <div class="spinner hidden" id="types-spinner"></div> </div> <div class="card"> <h3>Ajouter un Type</h3> <form id="add-type-form"> <input type="text" id="new-type-name" placeholder="Nom (ex: Dos, Jambes)" required> <button type="submit" class="btn">Ajouter</button> </form> <p id="add-type-error" style="color: var(--danger); font-size: 0.9rem; margin-top: 0.5rem;"></p> </div> </div>
+                <!-- Page Sélection Type -->
+                <div id="select-workout-type-page"> <div class="flex-between"> <h2>Démarrer Séance</h2> <button class="btn btn-outline back-to-home-btn">Annuler</button> </div> <div class="card"> <h3>Type Prédéfini</h3> <select id="select-workout-type"> <option value="">-- Sélectionner --</option> </select> <button id="start-structured-workout-btn" class="btn" disabled>Démarrer Structurée</button> </div> <div class="card"> <h3>Séance Libre</h3> <button id="start-free-workout-btn" class="btn btn-info">Démarrer Libre</button> </div> </div>
+                 <!-- Page Nouvelle Séance -->
+                <div id="new-workout-page"> <div class="flex-between"> <h2>Nouvelle séance <span id="workout-type-indicator" class="badge type-badge hidden"></span> <span id="current-exercise-indicator" style="font-size: 0.9rem; color: #ccc;"></span></h2> <div> <button id="cancel-new-workout-btn" class="btn btn-outline" style="margin-right: 0.5rem;">Annuler</button> <button id="save-workout-btn" class="btn">Enregistrer</button> </div> </div> <div class="card"> <div class="form-group"> <label for="workout-name">Nom Séance (optionnel)</label> <input type="text" id="workout-name" placeholder="Ex: Push Intense..."> </div> <div class="form-row"> <div class="form-group"> <label for="workout-date">Date</label> <input type="date" id="workout-date"> </div> <div class="form-group"> <label for="workout-duration">Durée (min)</label> <input type="number" id="workout-duration" min="1" placeholder="60"> </div> </div> </div> <h3 style="margin: 1rem 0;">Exercices</h3> <div class="exercise-navigation card"> <button id="prev-exercise-btn" class="btn btn-outline">< Précédent</button> <span style="align-self: center; color: #ccc;">Exercice Actif</span> <button id="next-exercise-btn" class="btn btn-outline">Suivant ></button> </div> <div id="exercises-container"> </div> <button id="add-exercise-btn" class="btn btn-outline" style="width: 100%; margin-top: 1rem;">+ Ajouter Exercice</button> <div class="card" style="margin-top: 2rem;"> <div class="form-group"> <label for="satisfaction">Satisfaction (1-100%)</label> <input type="range" id="satisfaction" min="1" max="100" value="75"> <div class="satisfaction"> <span></span> <div class="satisfaction-value">75%</div> </div> </div> </div> </div>
+                <!-- Page Détail Séance -->
+                <div id="workout-details-page"> <div class="flex-between"> <h2>Détail Séance <span id="detail-workout-type" class="badge type-badge hidden"></span></h2> <button class="btn btn-outline back-to-home-btn">Retour</button> </div> <div class="card"> <div class="workout-details-info"> <p><strong>Nom:</strong> <span id="detail-workout-name"></span></p> <div class="form-row"> <p><strong>Date:</strong> <span id="detail-date"></span></p> <p><strong>Durée:</strong> <span id="detail-duration"></span> min</p> </div> </div> </div> <div class="stats-grid" style="margin-top: 1rem;"> <div class="card stat-card"> <div class="stat-value" id="detail-tonnage">0</div> <div>Tonnage (kg)</div> </div> <div class="card stat-card"> <div class="stat-value" id="detail-satisfaction">0%</div> <div>Satisfaction</div> </div> <div class="card stat-card"> <div class="stat-value" id="detail-exercises-count">0</div> <div>Exercices</div> </div> </div> <h3 style="margin: 1.5rem 0 1rem;">Exercices Réalisés</h3> <div id="detail-exercises-container"> </div> <button id="delete-workout-btn" class="btn btn-danger" style="width: 100%; margin-top: 2rem;">Supprimer</button> </div>
+                <!-- Page Statistiques (Modifiée) -->
+                <div id="stats-page">
+                     <h2>Statistiques</h2>
+                     <div class="stats-grid"> <div class="card stat-card"> <div class="stat-value" id="stats-workout-count">0</div> <div>Séances Totales</div> </div> <div class="card stat-card"> <div class="stat-value" id="stats-avg-tonnage">0</div> <div>Tonnage Moyen</div> </div> <div class="card stat-card"> <div class="stat-value" id="stats-avg-satisfaction">0%</div> <div>Satisfaction Moy.</div> </div> </div>
+                     <h3 style="margin: 1.5rem 0 1rem;">Tendances par Type de Séance</h3>
+                     <!-- Conteneur pour afficher les tendances -->
+                     <div id="type-trends-container">
+                         <p id="no-trends-message" style="text-align: center; color: #888;" class="hidden">
+                             Pas assez de données pour afficher les tendances par type. Enregistrez plus de séances structurées.
+                         </p>
+                         <div class="spinner hidden" id="trends-spinner"></div>
+                         <!-- Les cartes de tendance seront ajoutées ici par JS -->
+                     </div>
+                </div>
+            </div>
+            <!-- Menu Navigation Bas -->
+            <nav class="nav-bottom"> <a href="#" class="nav-item active" data-page="home-page"> <div class="nav-icon">📋</div> <div>Séances</div> </a> <a href="#" class="nav-item" data-page="stats-page"> <div class="nav-icon">📊</div> <div>Stats</div> </a> </nav>
+        </div>
+    <script>
+        // Firebase Init (Identique)
         const firebaseConfig = { apiKey: "AIzaSyAkWvrRyXgrC7zbTtoh_GppsHMrz2rF7WM", authDomain: "lifttrackapp.firebaseapp.com", projectId: "lifttrackapp", storageBucket: "lifttrackapp.appspot.com", messagingSenderId: "594426771796", appId: "1:594426771796:web:789bef037ca0016c54b0c1", measurementId: "G-MXLFK0H160" };
+        let app, auth, db; try { app = firebase.initializeApp(firebaseConfig); auth = firebase.auth(); db = firebase.firestore(); console.log("Firebase Initialisé !"); } catch (e) { console.error("Erreur Init Firebase:", e); alert("Erreur connexion DB."); }
         // --- Variables d'État ---
         let workouts = []; let currentWorkoutId = null; let currentExerciseIndex = 0; let workoutExercisesForm = []; let currentFirebaseUser = null; let userWorkoutTypes = []; let selectedWorkoutTypeName = null;
+        // --- Éléments DOM ---
+        // (Déclarations identiques)
+        const loginPage=document.getElementById('login-page'), mainAppContent=document.getElementById('main-app-content'), authEmailInput=document.getElementById('auth-email'), authPasswordInput=document.getElementById('auth-password'), loginForm=document.getElementById('login-form'), authActionButton=document.getElementById('auth-action-btn'), authSwitchLink=document.getElementById('auth-switch-link'), authTitle=document.getElementById('auth-title'), authSwitchText=document.getElementById('auth-switch-text'), loginError=document.getElementById('login-error'), currentUserDisplay=document.getElementById('current-user-display'), logoutBtn=document.getElementById('logout-btn'), spinner=document.querySelector('#workouts-list .spinner'), appContainer=document.getElementById('app-container'), navItems=document.querySelectorAll('.nav-item'), newWorkoutBtn=document.getElementById('new-workout-btn'), saveWorkoutBtn=document.getElementById('save-workout-btn'), cancelNewWorkoutBtn=document.getElementById('cancel-new-workout-btn'), addExerciseBtn=document.getElementById('add-exercise-btn'), exercisesContainer=document.getElementById('exercises-container'), workoutsList=document.getElementById('workouts-list'), backToHomeBtns=document.querySelectorAll('.back-to-home-btn'), deleteWorkoutBtn=document.getElementById('delete-workout-btn'), satisfactionRange=document.getElementById('satisfaction'), satisfactionValue=document.querySelector('.satisfaction-value'), emptyWorkoutMessage=document.getElementById('empty-workout-message'), workoutDateInput=document.getElementById('workout-date'), prevExerciseBtn=document.getElementById('prev-exercise-btn'), nextExerciseBtn=document.getElementById('next-exercise-btn'), currentExerciseIndicator=document.getElementById('current-exercise-indicator'), workoutTypeIndicator=document.getElementById('workout-type-indicator'), detailWorkoutType=document.getElementById('detail-workout-type'), manageTypesBtn=document.getElementById('manage-types-btn'), manageTypesPage=document.getElementById('manage-types-page'), workoutTypesList=document.getElementById('workout-types-list'), emptyTypesMessage=document.getElementById('empty-types-message'), typesSpinner=document.getElementById('types-spinner'), addTypeForm=document.getElementById('add-type-form'), newTypeNameInput=document.getElementById('new-type-name'), addTypeError=document.getElementById('add-type-error'), selectWorkoutTypePage=document.getElementById('select-workout-type-page'), selectWorkoutTypeDropdown=document.getElementById('select-workout-type'), startStructuredWorkoutBtn=document.getElementById('start-structured-workout-btn'), startFreeWorkoutBtn=document.getElementById('start-free-workout-btn');
+        const typeTrendsContainer = document.getElementById('type-trends-container'); // Pour Stats
+        const noTrendsMessage = document.getElementById('no-trends-message');
+        const trendsSpinner = document.getElementById('trends-spinner');
         let isLoginMode = true;
         // ===========================================
+        // --- Définition Fonctions ---
         // ===========================================
+        function initAuthListener() { /* ... */ if (!auth) return; auth.onAuthStateChanged(user => { console.log("Auth state:", user ? user.uid : 'null'); if (user) { currentFirebaseUser = user; showApp(); } else { currentFirebaseUser = null; workouts = []; userWorkoutTypes = []; renderWorkoutsList(); renderWorkoutTypesList(); showLoginPage(); } }); }
+        function showLoginPage() { /* ... */ if(loginPage) loginPage.style.display = 'block'; if(mainAppContent) mainAppContent.style.display = 'none'; }
+        function showApp() { /* ... */ if (!currentFirebaseUser || !mainAppContent) return; console.log("Affichage App"); if(loginPage) loginPage.style.display = 'none'; mainAppContent.style.display = 'block'; if(currentUserDisplay) currentUserDisplay.textContent = currentFirebaseUser.email; setTodayDate(); loadWorkouts(); loadWorkoutTypes(); showPage('home-page'); }
+        function handleAuthAction(event) { /* ... */ if(!auth) return; event.preventDefault(); const email = authEmailInput.value; const password = authPasswordInput.value; loginError.textContent = ''; if (!email || !password) { loginError.textContent = 'Email/Pass requis.'; return; } authActionButton.disabled = true; authActionButton.textContent = 'Chargement...'; if (isLoginMode) { auth.signInWithEmailAndPassword(email, password).catch(handleAuthError).finally(() => { authActionButton.disabled = false; authActionButton.textContent = 'Se Connecter'; }); } else { auth.createUserWithEmailAndPassword(email, password).catch(handleAuthError).finally(() => { authActionButton.disabled = false; authSwitchMode(); authActionButton.textContent = 'S\'inscrire'; }); } }
+        function handleLogout() { /* ... */ if(!auth) return; console.log("Déconnexion..."); auth.signOut().catch(handleAuthError); }
+        function authSwitchMode() { /* ... */ isLoginMode = !isLoginMode; loginError.textContent = ''; authTitle.textContent=isLoginMode?'Connexion':'Inscription'; authActionButton.textContent=isLoginMode?'Se Connecter':'S\'inscrire'; authSwitchText.textContent=isLoginMode?'Pas de compte ?':'Déjà un compte ?'; authSwitchLink.textContent=isLoginMode?'Inscrivez-vous':'Connectez-vous'; }
+        function handleAuthError(error) { /* ... */ console.error("Erreur Auth:", error); loginError.textContent = getAuthErrorMessage(error); }
+        function getAuthErrorMessage(error) { /* ... */ switch (error.code) { case 'auth/invalid-email': return 'Email invalide.'; case 'auth/user-disabled': return 'Compte désactivé.'; case 'auth/user-not-found': return 'Utilisateur inconnu.'; case 'auth/wrong-password': return 'Mot de passe incorrect.'; case 'auth/email-already-in-use': return 'Email déjà utilisé.'; case 'auth/weak-password': return 'Mot de passe trop faible.'; default: return 'Erreur authentification.'; } }
+        function loadWorkoutTypes() { /* ... */ if (!currentFirebaseUser || !db) return; const userId = currentFirebaseUser.uid; console.log("Chargement types..."); userWorkoutTypes = []; if (typesSpinner) typesSpinner.classList.remove('hidden'); db.collection('workoutTypes').where('userId', '==', userId).orderBy('name').get().then(snapshot => { snapshot.forEach(doc => userWorkoutTypes.push({ id: doc.id, ...doc.data() })); console.log("Types chargés:", userWorkoutTypes); renderWorkoutTypesList(); populateWorkoutTypeSelector(); }).catch(handleFirestoreError).finally(() => { if (typesSpinner) typesSpinner.classList.add('hidden'); }); }
+        function renderWorkoutTypesList() { /* ... */ if (!workoutTypesList) return; workoutTypesList.innerHTML = ''; if (userWorkoutTypes.length === 0) { if(emptyTypesMessage) emptyTypesMessage.classList.remove('hidden'); } else { if(emptyTypesMessage) emptyTypesMessage.classList.add('hidden'); userWorkoutTypes.forEach(type => { const li = document.createElement('li'); li.textContent = type.name; workoutTypesList.appendChild(li); }); } }
+        function handleAddWorkoutType(event) { /* ... */ event.preventDefault(); if (!currentFirebaseUser || !newTypeNameInput || !db) return; const typeName = newTypeNameInput.value.trim(); addTypeError.textContent = ''; if (!typeName) { addTypeError.textContent = "Nom vide."; return; } if (userWorkoutTypes.some(t => t.name.toLowerCase() === typeName.toLowerCase())) { addTypeError.textContent = "Type existe déjà."; return; } console.log("Ajout type:", typeName); const typeData = { userId: currentFirebaseUser.uid, name: typeName }; db.collection('workoutTypes').add(typeData).then(() => { console.log("Type ajouté"); newTypeNameInput.value = ''; loadWorkoutTypes(); }).catch(handleFirestoreError); }
+        function populateWorkoutTypeSelector() { /* ... */ if (!selectWorkoutTypeDropdown) return; selectWorkoutTypeDropdown.innerHTML = '<option value="">-- Sélectionner --</option>'; userWorkoutTypes.forEach(type => { const option = document.createElement('option'); option.value = type.name; option.textContent = type.name; selectWorkoutTypeDropdown.appendChild(option); }); updateStartStructuredBtnState(); }
+        function updateStartStructuredBtnState() { /* ... */ if (!selectWorkoutTypeDropdown || !startStructuredWorkoutBtn) return; startStructuredWorkoutBtn.disabled = !selectWorkoutTypeDropdown.value; }
+        function loadWorkouts() { /* ... */ if (!currentFirebaseUser || !db) { console.log("Chargement séances annulé."); workouts = []; renderWorkoutsList(); showPage('home-page'); return; } const userId = currentFirebaseUser.uid; console.log(`Chargement séances ${userId}...`); if (spinner) spinner.classList.remove('hidden'); if(emptyWorkoutMessage) emptyWorkoutMessage.classList.add('hidden'); if(workoutsList) workoutsList.innerHTML = ''; workouts = []; db.collection('workouts').where('userId', '==', userId).orderBy('date', 'desc').get().then((querySnapshot) => { console.log(`${querySnapshot.size} séances trouvées.`); querySnapshot.forEach((doc) => { const workoutData = doc.data(); workoutData.firestoreId = doc.id; workouts.push(workoutData); }); renderWorkoutsList(); /* showPage est appelé depuis renderWorkoutsList ou updateStats maintenant */ updateStats(); // Mettre à jour les stats après chargement }).catch(handleFirestoreError).finally(() => { if (spinner) spinner.classList.add('hidden'); }); }
+        function saveWorkout() { /* ... */ if (!currentFirebaseUser || !db) { alert("Non connecté."); return; } const userId = currentFirebaseUser.uid; workoutExercisesForm = Array.from(exercisesContainer.querySelectorAll('.exercise')); const workoutNameInput = document.getElementById('workout-name'); const workoutName = workoutNameInput ? workoutNameInput.value.trim() : ''; const workoutDate = workoutDateInput.value; const workoutDuration = parseInt(document.getElementById('workout-duration').value) || 0; const satisfaction = parseInt(satisfactionRange.value); if (!selectedWorkoutTypeName) { alert("Type séance non défini."); return; } if (!workoutDate || workoutDuration <= 0) { alert("Données invalides."); return; } const exerciseElements = workoutExercisesForm; const exercises = []; if (exerciseElements.length === 0) { alert("Ajoutez exercices."); return; } let validationError = null; /* ... Validation ... */ exerciseElements.forEach((exerciseEl, index) => { if (validationError) return; const nameInput = exerciseEl.querySelector('.exercise-name'); const exerciseName = nameInput ? nameInput.value.trim() : ''; const isUnilateral = exerciseEl.querySelector('.unilateral-checkbox').checked; if (!exerciseName) { validationError = `Nommez exo #${index + 1}.`; if(nameInput) nameInput.focus(); return; } const series = []; const seriesElements = exerciseEl.querySelectorAll('.series'); if (seriesElements.length === 0) { validationError = `"${exerciseName}" sans série.`; return; } seriesElements.forEach(seriesEl => { if (validationError) return; const repsInput = seriesEl.querySelector('.reps'); const weightInput = seriesEl.querySelector('.weight'); const reps = parseInt(repsInput.value) || 0; const weight = parseFloat(weightInput.value) || 0; const isDegressive = seriesEl.querySelector('.degressive-checkbox').checked; if (reps <= 0) { validationError = `Reps invalides: "${exerciseName}".`; if(repsInput) repsInput.focus(); return; } if (weight < 0) { validationError = `Charge invalide: "${exerciseName}".`; if(weightInput) weightInput.focus(); return; } series.push({ reps, weight, isDegressive }); }); if (!validationError) { exercises.push({ name: exerciseName, isUnilateral, series }); } }); if (validationError) { alert(validationError); return; } let totalTonnage = 0; exercises.forEach(ex => ex.series.forEach(s => totalTonnage += s.reps * s.weight * (ex.isUnilateral ? 2 : 1))); const finalWorkoutName = workoutName || selectedWorkoutTypeName; const workout = { id: currentWorkoutId || `workout-${Date.now()}`, userId: userId, workoutTypeName: selectedWorkoutTypeName, name: finalWorkoutName, date: workoutDate, duration: workoutDuration, exercises: exercises, totalTonnage: totalTonnage, satisfaction: satisfaction }; console.log("Sauvegarde:", workout); saveWorkoutBtn.disabled = true; saveWorkoutBtn.textContent = 'Sauvegarde...'; db.collection('workouts').doc(workout.id).set(workout).then(() => { console.log("Sauvegardé:", workout.id); const existingIndex = workouts.findIndex(w => w.id === workout.id); if (existingIndex > -1) workouts[existingIndex] = workout; else workouts.push(workout); confetti({ particleCount: 150, spread: 90, origin: { y: 0.6 } }); showPage('home-page'); renderWorkoutsList(); }).catch(handleFirestoreError).finally(() => { saveWorkoutBtn.disabled = false; saveWorkoutBtn.textContent = 'Enregistrer Séance'; }); }
+        function deleteWorkout() { /* ... */ if (!currentFirebaseUser || !currentWorkoutId || !db) return; const workoutToDelete = workouts.find(w => w.id === currentWorkoutId); if (!workoutToDelete) return; const confirmDelete = confirm(`Supprimer "${workoutToDelete.name}"?`); if (!confirmDelete) return; console.log("Suppression:", currentWorkoutId); deleteWorkoutBtn.disabled = true; deleteWorkoutBtn.textContent = 'Suppression...'; db.collection('workouts').doc(currentWorkoutId).delete().then(() => { console.log("Supprimé:", currentWorkoutId); workouts = workouts.filter(w => w.id !== currentWorkoutId); currentWorkoutId = null; showPage('home-page'); renderWorkoutsList(); }).catch(handleFirestoreError).finally(() => { deleteWorkoutBtn.disabled = false; deleteWorkoutBtn.textContent = 'Supprimer'; }); }
+        function setTodayDate() { /* ... */ if(workoutDateInput) try { workoutDateInput.value = new Date().toISOString().split('T')[0]; } catch(e){ console.error("Erreur date:", e); }}
+        function showPage(pageId) { /* ... */ console.log(`Affichage page: ${pageId}`); if (!currentFirebaseUser && pageId !== 'login-page') { showLoginPage(); return; } document.querySelectorAll('#app-container > div').forEach(page => page.classList.remove('active')); const pageToShow = document.getElementById(pageId); if (pageToShow) { pageToShow.classList.add('active'); if (pageId === 'new-workout-page') { triggerFlameAnimation(); renderActiveExerciseForm(); updateWorkoutTypeIndicator(); } if (pageId === 'manage-types-page') { loadWorkoutTypes(); } if (pageId === 'select-workout-type-page') { populateWorkoutTypeSelector(); } if (pageId === 'stats-page') { updateStats(); /* Recalculer les stats quand on affiche la page */ } } else { console.error(`Page ID "${pageId}" non trouvée.`); document.getElementById('home-page').classList.add('active'); pageId = 'home-page'; } navItems.forEach(item => { item.classList.remove('active'); }); const activeNavItem = document.querySelector(`.nav-item[data-page="${pageId === 'stats-page' ? 'stats-page' : 'home-page'}"]`); if(activeNavItem) activeNavItem.classList.add('active'); }
+        function triggerFlameAnimation() { /* ... */ const duration = 1 * 1000; const animationEnd = Date.now() + duration; const defaults = { startVelocity: 30, spread: 360, ticks: 60, zIndex: 0 }; function randomInRange(min, max) { return Math.random() * (max - min) + min; } const interval = setInterval(function() { const timeLeft = animationEnd - Date.now(); if (timeLeft <= 0) return clearInterval(interval); const particleCount = 50 * (timeLeft / duration); confetti(Object.assign({}, defaults, { particleCount, origin: { x: randomInRange(0.3, 0.7), y: Math.random() - 0.2 }, angle: randomInRange(240, 300), spread: randomInRange(50, 90), gravity: 0.5, drift: randomInRange(-1, 1), colors: ['#ff6f00', '#ff8f00', '#ffa000', '#ffcc00'] })); }, 250); }
+        function handleAddNewExercise() { /* ... */ addExercise(true); }
+        function addExercise(navigateToNew = false) { /* ... */ if (!currentFirebaseUser) return; const exerciseId = `exercise-${Date.now()}`; const exerciseDiv = document.createElement('div'); exerciseDiv.className = 'card exercise'; exerciseDiv.setAttribute('data-exercise-id', exerciseId); exerciseDiv.innerHTML = `<div class="exercise-header"> <input type="text" placeholder="Nom Exercice" class="exercise-name"> <button class="btn btn-danger remove-exercise" style="padding: 0.3rem 0.6rem; flex-shrink: 0;">×</button> </div> <div class="form-group" style="margin-top: 0.5rem; margin-bottom: 0.5rem;"> <label style="display: inline-flex; align-items: center; color: #bbb; font-size: 0.9rem;"> <input type="checkbox" class="unilateral-checkbox"> Unilatéral </label> </div> <div class="series-container"></div> <button class="btn btn-outline add-series" style="width: 100%; margin-top: 0.5rem; padding: 0.4rem;">+ Ajouter Série</button>`; exercisesContainer.appendChild(exerciseDiv); workoutExercisesForm = Array.from(exercisesContainer.querySelectorAll('.exercise')); const removeBtn = exerciseDiv.querySelector('.remove-exercise'); removeBtn.addEventListener('click', () => { const indexToRemove = workoutExercisesForm.indexOf(exerciseDiv); if (indexToRemove > -1) { exerciseDiv.remove(); workoutExercisesForm = Array.from(exercisesContainer.querySelectorAll('.exercise')); if (currentExerciseIndex >= indexToRemove) currentExerciseIndex = Math.max(0, currentExerciseIndex - 1); if (currentExerciseIndex >= workoutExercisesForm.length) currentExerciseIndex = Math.max(0, workoutExercisesForm.length - 1); renderActiveExerciseForm(); } }); const addSeriesBtn = exerciseDiv.querySelector('.add-series'); const seriesContainer = exerciseDiv.querySelector('.series-container'); addSeriesBtn.addEventListener('click', () => addSeries(seriesContainer)); addSeries(seriesContainer); if (navigateToNew) { currentExerciseIndex = workoutExercisesForm.length - 1; renderActiveExerciseForm(); } else updateExerciseNavButtons(); }
+        function addSeries(container) { /* ... */ if (!currentFirebaseUser || !container) return; const seriesId = `series-${Date.now()}`; const seriesDiv = document.createElement('div'); seriesDiv.className = 'series'; seriesDiv.setAttribute('data-series-id', seriesId); seriesDiv.innerHTML = `<div class="form-row" style="align-items: flex-end; gap: 0.8rem;"> <div class="form-group" style="flex: 1.2;"> <label>Reps</label> <input type="number" class="reps" min="1" placeholder="10" style="padding: 0.4rem;"> </div> <div class="form-group" style="flex: 1.2;"> <label>Charge (kg)</label> <input type="number" class="weight" min="0" step="0.1" placeholder="20" style="padding: 0.4rem;"> </div> <div class="form-group" style="flex: 1; display: flex; align-items: center; padding-bottom: 0.6rem; min-width: 100px;"> <label style="display: inline-flex; align-items: center; color: #bbb; font-size: 0.8rem; margin-bottom: 0; white-space: nowrap;"> <input type="checkbox" class="degressive-checkbox" style="margin-right: 0.3rem;"> Dégressive </label> </div> <button class="btn btn-danger remove-series" style="padding: 0.3rem 0.6rem; margin-bottom: 0.6rem; flex-basis: 30px; flex-grow: 0; align-self: center;">×</button> </div>`; container.appendChild(seriesDiv); const removeBtn = seriesDiv.querySelector('.remove-series'); removeBtn.addEventListener('click', () => seriesDiv.remove()); }
+        function navigateExerciseForm(direction) { /* ... */ workoutExercisesForm = Array.from(exercisesContainer.querySelectorAll('.exercise')); const newIndex = currentExerciseIndex + direction; if (newIndex >= 0 && newIndex < workoutExercisesForm.length) { currentExerciseIndex = newIndex; renderActiveExerciseForm(); } }
+        function renderActiveExerciseForm() { /* ... */ workoutExercisesForm = Array.from(exercisesContainer.querySelectorAll('.exercise')); workoutExercisesForm.forEach(ex => ex.classList.remove('active-exercise')); if (currentExerciseIndex >= 0 && currentExerciseIndex < workoutExercisesForm.length) workoutExercisesForm[currentExerciseIndex].classList.add('active-exercise'); updateExerciseNavButtons(); }
+        function updateExerciseNavButtons() { /* ... */ const totalExercises = workoutExercisesForm.length; if (totalExercises === 0) { currentExerciseIndicator.textContent = "(Aucun exercice)"; prevExerciseBtn.disabled = true; nextExerciseBtn.disabled = true; } else { currentExerciseIndicator.textContent = `(${currentExerciseIndex + 1}/${totalExercises})`; prevExerciseBtn.disabled = currentExerciseIndex === 0; nextExerciseBtn.disabled = currentExerciseIndex === totalExercises - 1; } }
+        function clearNewWorkoutForm(typeName = "Libre") { /* ... */ console.log("Nettoyage form pour type:", typeName); if (!currentFirebaseUser) return; selectedWorkoutTypeName = typeName; const workoutNameInput = document.getElementById('workout-name'); if(workoutNameInput) workoutNameInput.value = (typeName === "Libre" ? "" : typeName); if(workoutDateInput) setTodayDate(); if(document.getElementById('workout-duration')) document.getElementById('workout-duration').value = ''; if(exercisesContainer) exercisesContainer.innerHTML = ''; workoutExercisesForm = []; if(satisfactionRange) satisfactionRange.value = 75; if(satisfactionValue) satisfactionValue.textContent = '75%'; currentWorkoutId = null; currentExerciseIndex = 0; addExercise(false); updateWorkoutTypeIndicator(); renderActiveExerciseForm(); }
+        function updateWorkoutTypeIndicator() { /* ... */ if (!workoutTypeIndicator) return; if (selectedWorkoutTypeName && selectedWorkoutTypeName !== "Libre") { workoutTypeIndicator.textContent = selectedWorkoutTypeName; workoutTypeIndicator.classList.remove('hidden'); } else { workoutTypeIndicator.classList.add('hidden'); } }
+        function renderWorkoutsList() { /* ... */ if (!currentFirebaseUser) { workoutsList.innerHTML = ''; emptyWorkoutMessage.classList.remove('hidden'); updateStats(); return; } workoutsList.innerHTML = ''; if (workouts.length === 0) { emptyWorkoutMessage.classList.remove('hidden'); } else { emptyWorkoutMessage.classList.add('hidden'); const sortedWorkouts = [...workouts].sort((a, b) => new Date(b.date) - new Date(a.date)); sortedWorkouts.forEach(workout => { const workoutDate = new Date(workout.date).toLocaleDateString('fr-FR', { year: 'numeric', month: 'short', day: 'numeric' }); const workoutDiv = document.createElement('div'); workoutDiv.className = 'card workout-card'; workoutDiv.setAttribute('data-workout-id', workout.id); const typeBadge = workout.workoutTypeName && workout.workoutTypeName !== "Libre" ? `<span class="badge type-badge">${workout.workoutTypeName}</span>` : ''; workoutDiv.innerHTML = `<div class="workout-header"><h3 style="margin-bottom: 0.5rem;">${workout.name} ${typeBadge}</h3><div class="badge">${workoutDate}</div></div><div class="workout-details" style="font-size: 0.9rem; color: #ccc; margin-top: 0.5rem;"><span>${workout.duration} min</span> | <span>${workout.exercises.length} exo${workout.exercises.length > 1 ? 's' : ''}</span> | <span>${workout.totalTonnage.toFixed(1)} kg</span> | <span>${workout.satisfaction}%</span></div>`; workoutDiv.addEventListener('click', () => displayWorkoutDetails(workout.id)); workoutsList.appendChild(workoutDiv); }); } updateStats(); }
+        function displayWorkoutDetails(workoutId) { /* ... */ if (!currentFirebaseUser) return; const workout = workouts.find(w => w.id === workoutId); if (!workout) { showPage('home-page'); return; } if(detailWorkoutType) { if (workout.workoutTypeName && workout.workoutTypeName !== "Libre") { detailWorkoutType.textContent = workout.workoutTypeName; detailWorkoutType.classList.remove('hidden'); } else detailWorkoutType.classList.add('hidden'); } if(document.getElementById('detail-workout-name')) document.getElementById('detail-workout-name').textContent = workout.name; if(document.getElementById('detail-date')) document.getElementById('detail-date').textContent = new Date(workout.date).toLocaleDateString('fr-FR'); if(document.getElementById('detail-duration')) document.getElementById('detail-duration').textContent = workout.duration; if(document.getElementById('detail-tonnage')) document.getElementById('detail-tonnage').textContent = workout.totalTonnage.toFixed(1); if(document.getElementById('detail-satisfaction')) document.getElementById('detail-satisfaction').textContent = `${workout.satisfaction}%`; if(document.getElementById('detail-exercises-count')) document.getElementById('detail-exercises-count').textContent = workout.exercises.length; const detailExercisesContainer = document.getElementById('detail-exercises-container'); if(detailExercisesContainer) { detailExercisesContainer.innerHTML = ''; workout.exercises.forEach((exercise) => { const exerciseDiv = document.createElement('div'); exerciseDiv.className = 'card detail-exercise-card'; let seriesHtml = ''; exercise.series.forEach((serie, sIndex) => { const degressiveLabel = serie.isDegressive ? ' <span class="badge" style="font-size: 0.7rem; background-color: var(--accent-dark);">Dégr.</span>' : ''; const weightFactor = exercise.isUnilateral ? 2 : 1; const seriesTonnage = serie.reps * serie.weight * weightFactor; seriesHtml += `<div class="exercise-summary"><div class="flex-between"><span>Série ${sIndex + 1}: ${serie.reps} reps × ${serie.weight} kg${degressiveLabel}</span><span style="color: #aaa;">(${seriesTonnage.toFixed(1)} kg)</span></div></div>`; }); const unilateralLabel = exercise.isUnilateral ? ' <span class="badge" style="font-size: 0.7rem;">Unilat.</span>' : ''; exerciseDiv.innerHTML = `<h3 style="font-size: 1.1rem; margin-bottom: 0.5rem;">${exercise.name}${unilateralLabel}</h3> <div class="series-summary-container"> ${seriesHtml} </div>`; detailExercisesContainer.appendChild(exerciseDiv); }); } currentWorkoutId = workoutId; showPage('workout-details-page'); }
+        // MODIFIÉ pour calculer et rendre les tendances par type
+        function updateStats() {
+            if (!currentFirebaseUser) return;
+            const workoutCount = workouts.length;
+            const statsWorkoutCountEl = document.getElementById('stats-workout-count');
+            const statsAvgTonnageEl = document.getElementById('stats-avg-tonnage');
+            const statsAvgSatisfactionEl = document.getElementById('stats-avg-satisfaction');
+            // Calcul stats globales (inchangé)
+            if (statsWorkoutCountEl) statsWorkoutCountEl.textContent = workoutCount;
+            if (workoutCount === 0) {
+                if(statsAvgTonnageEl) statsAvgTonnageEl.textContent = '0';
+                if(statsAvgSatisfactionEl) statsAvgSatisfactionEl.textContent = '0%';
+                renderTypeTrends({}); // Afficher message "pas de données" pour tendances
+                return;
+            }
+            const totalTonnageAll = workouts.reduce((sum, workout) => sum + (workout.totalTonnage || 0), 0);
+            const avgTonnage = totalTonnageAll / workoutCount;
+            if(statsAvgTonnageEl) statsAvgTonnageEl.textContent = avgTonnage.toFixed(1);
+            const totalSatisfaction = workouts.reduce((sum, workout) => sum + (workout.satisfaction || 0), 0);
+            const avgSatisfaction = totalSatisfaction / workoutCount;
+             if(statsAvgSatisfactionEl) statsAvgSatisfactionEl.textContent = `${Math.round(avgSatisfaction)}%`;
+            // --- Calcul Tendances par Type ---
+            console.log("Calcul des tendances par type...");
+            const trendsData = {};
+            // 1. Filtrer les séances structurées
+            const structuredWorkouts = workouts.filter(w => w.workoutTypeName && w.workoutTypeName !== "Libre");
+            // 2. Grouper par type
+            const groupedByType = structuredWorkouts.reduce((acc, workout) => {
+                const type = workout.workoutTypeName;
+                if (!acc[type]) {
+                    acc[type] = [];
+                }
+                acc[type].push(workout);
+                return acc;
+            }, {});
+            console.log("Séances groupées par type:", groupedByType);
+            // 3. Pour chaque type, extraire les 3 dernières séances (tonnage)
+            for (const typeName in groupedByType) {
+                // Trier les séances de ce type par date (plus récentes d'abord)
+                const sessionsOfType = groupedByType[typeName].sort((a, b) => new Date(b.date) - new Date(a.date));
+                // Prendre les 3 premières (ou moins si pas assez)
+                const lastSessions = sessionsOfType.slice(0, 3).map(s => ({
+                     date: s.date, // Garder la date
+                     tonnage: s.totalTonnage // Garder le tonnage
+                 }));
+                 // Inverser pour affichage chronologique (optionnel mais plus logique)
+                 trendsData[typeName] = lastSessions.reverse();
+            }
+            console.log("Données de tendance calculées:", trendsData);
+            // 4. Rendre les tendances
+            renderTypeTrends(trendsData);
+        }
+         // NOUVELLE fonction pour afficher les tendances
+         function renderTypeTrends(trends) {
+             if (!typeTrendsContainer || !noTrendsMessage) return;
+             typeTrendsContainer.innerHTML = ''; // Vider le conteneur
+             const trendTypes = Object.keys(trends);
+             if (trendTypes.length === 0) {
+                 noTrendsMessage.classList.remove('hidden');
+             } else {
+                 noTrendsMessage.classList.add('hidden');
+                 trendTypes.sort().forEach(typeName => { // Trier les types alphabétiquement
+                     const typeData = trends[typeName];
+                     if (typeData.length === 0) return; // Ne pas afficher si pas de données pour ce type
+                     const card = document.createElement('div');
+                     card.className = 'card type-trend-card';
+                     let listItems = '';
+                     typeData.forEach(session => {
+                         const formattedDate = new Date(session.date).toLocaleDateString('fr-FR', { day: '2-digit', month: 'short' });
+                         listItems += `<li><span>${formattedDate}</span> <strong>${session.tonnage.toFixed(1)} kg</strong></li>`;
+                     });
+                     card.innerHTML = `
+                         <h4>${typeName} (Dernières Séances)</h4>
+                         <ul>${listItems}</ul>
+                     `;
+                     typeTrendsContainer.appendChild(card);
+                 });
+             }
+         }
+        function handleFirestoreError(error) { console.error("Erreur Firestore:", error); alert("Erreur base de données."); }
         // --- ÉCOUTEURS D'ÉVÉNEMENTS (Attachés ici) ---
         function initEventListeners() {
              if (loginForm) loginForm.addEventListener('submit', handleAuthAction); else console.error("!loginForm");
              if (authSwitchLink) authSwitchLink.addEventListener('click', authSwitchMode); else console.error("!authSwitchLink");
              if (logoutBtn) logoutBtn.addEventListener('click', handleLogout); else console.error("!logoutBtn");
+             navItems.forEach((item, index) => { if(item) item.addEventListener('click', (e) => { e.preventDefault(); if (!currentFirebaseUser) return; const targetPageId = item.getAttribute('data-page'); showPage(targetPageId); }); else console.error(`!navItem #${index}`); });
              if (newWorkoutBtn) newWorkoutBtn.addEventListener('click', () => { if (!currentFirebaseUser) return; showPage('select-workout-type-page'); }); else console.error("!newWorkoutBtn");
              if (manageTypesBtn) manageTypesBtn.addEventListener('click', () => showPage('manage-types-page')); else console.error("!manageTypesBtn");
              if (addTypeForm) addTypeForm.addEventListener('submit', handleAddWorkoutType); else console.error("!addTypeForm");
         // ==================================================
         // --- INITIALISATION ---
+        if (auth) { initAuthListener(); } else { console.error("Firebase Auth non prêt!"); }
+        initEventListeners();
     </script>
 </body>
+</html>