From 43b1f166d7974556cf89c69919afb21870030b82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?LAINEY=20Gr=C3=A9gory?= <glainey@plannet-online.fr>
Date: Fri, 25 Sep 2026 11:02:14 +0200
Subject: [PATCH] =?UTF-8?q?D=C3=A9but=20du=20projet?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .dockerignore             |    6 +
 .gitignore                |   11 +
 .vscode/settings.json     |   47 ++
 Dockerfile                |   14 +
 README.md                 |   95 +++
 cahierDesCharges.md       |  191 +++++
 data/animaux.json         |   13 +
 data/periodesCouvage.json |    9 +
 data/periodesPonte.json   |    9 +
 data/utilisateurs.json    |   14 +
 docker-compose.yml        |   11 +
 lib/donnees.js            |   50 ++
 package-lock.json         | 1668 +++++++++++++++++++++++++++++++++++++
 package.json              |   16 +
 public/animal.html        |  119 +++
 public/archives.html      |   32 +
 public/comptes.html       |   68 ++
 public/connexion.html     |   30 +
 public/css/style.css      |  476 +++++++++++
 public/index.html         |   87 ++
 public/js/accueil.js      |  114 +++
 public/js/archives.js     |   41 +
 public/js/commun.js       |  133 +++
 public/js/comptes.js      |   86 ++
 public/js/connexion.js    |   42 +
 public/js/fiche.js        |  319 +++++++
 server.js                 |  583 +++++++++++++
 uploads/.gitkeep          |    0
 28 files changed, 4284 insertions(+)
 create mode 100644 .dockerignore
 create mode 100644 .gitignore
 create mode 100644 .vscode/settings.json
 create mode 100644 Dockerfile
 create mode 100644 README.md
 create mode 100644 cahierDesCharges.md
 create mode 100644 data/animaux.json
 create mode 100644 data/periodesCouvage.json
 create mode 100644 data/periodesPonte.json
 create mode 100644 data/utilisateurs.json
 create mode 100644 docker-compose.yml
 create mode 100644 lib/donnees.js
 create mode 100644 package-lock.json
 create mode 100644 package.json
 create mode 100644 public/animal.html
 create mode 100644 public/archives.html
 create mode 100644 public/comptes.html
 create mode 100644 public/connexion.html
 create mode 100644 public/css/style.css
 create mode 100644 public/index.html
 create mode 100644 public/js/accueil.js
 create mode 100644 public/js/archives.js
 create mode 100644 public/js/commun.js
 create mode 100644 public/js/comptes.js
 create mode 100644 public/js/connexion.js
 create mode 100644 public/js/fiche.js
 create mode 100644 server.js
 create mode 100644 uploads/.gitkeep

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..f509615
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,6 @@
+node_modules
+npm-debug.log
+.git
+.vscode
+*.md
+!README.md
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..49edce1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+# Dépendances
+node_modules/
+
+# Photos uploadées (conservées via volume Docker)
+uploads/*
+!uploads/.gitkeep
+
+# Fichiers système
+.DS_Store
+Thumbs.db
+*.log
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..6970a79
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,47 @@
+{
+	"projectColors.mainColor": "#2db81e",
+	"window.title": "d:\\Users\\glainey\\developpement\\perso\\poupoule",
+	"workbench.colorCustomizations": {
+		"editor.background": "#F0F0F0",
+		"minimap.background": "#21212180",
+		"statusBar.background": "#2db81e",
+		"tab.unfocusedActiveBorder": "#fff0",
+		"statusBarItem.warningBackground": "#2db81e",
+		"statusBarItem.warningForeground": "#ffffff",
+		"statusBarItem.warningHoverBackground": "#2db81e",
+		"statusBarItem.warningHoverForeground": "#ffffff90",
+		"statusBarItem.remoteBackground": "#3ac52b",
+		"statusBarItem.remoteForeground": "#ffffff",
+		"statusBarItem.remoteHoverBackground": "#47d238",
+		"statusBarItem.remoteHoverForeground": "#ffffff90",
+		"statusBar.foreground": "#ffffff",
+		"statusBar.border": "#2db81e",
+		"statusBar.debuggingBackground": "#2db81e",
+		"statusBar.debuggingForeground": "#ffffff",
+		"statusBar.debuggingBorder": "#2db81e",
+		"statusBar.noFolderBackground": "#2db81e",
+		"statusBar.noFolderForeground": "#ffffff",
+		"statusBar.noFolderBorder": "#2db81e",
+		"statusBar.prominentBackground": "#2db81e",
+		"statusBar.prominentForeground": "#ffffff",
+		"statusBar.prominentHoverBackground": "#2db81e",
+		"statusBar.prominentHoverForeground": "#ffffff90",
+		"focusBorder": "#2db81e99",
+		"progressBar.background": "#2db81e",
+		"textLink.foreground": "#6df85e",
+		"textLink.activeForeground": "#7aff6b",
+		"selection.background": "#20ab11",
+		"list.highlightForeground": "#2db81e",
+		"list.focusAndSelectionOutline": "#2db81e99",
+		"button.background": "#2db81e",
+		"button.foreground": "#ffffff",
+		"button.hoverBackground": "#3ac52b",
+		"tab.activeBorderTop": "#3ac52b",
+		"pickerGroup.foreground": "#3ac52b",
+		"list.activeSelectionBackground": "#2db81e4d",
+		"panelTitle.activeBorder": "#3ac52b",
+		"activityBar.activeBorder": "#2db81e",
+		"activityBarBadge.foreground": "#ffffff",
+		"activityBarBadge.background": "#2db81e"
+	}
+}
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..0120c5d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,14 @@
+FROM node:20-alpine
+
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+RUN npm install --omit=dev
+
+COPY . .
+
+RUN mkdir -p uploads data
+
+EXPOSE 3000
+
+CMD ["node", "server.js"]
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..062fb31
--- /dev/null
+++ b/README.md
@@ -0,0 +1,95 @@
+# Mon Poulailler
+
+Application web simple pour gérer un poulailler : animaux, ponte, couvage, archives.
+
+Conçue pour être **lisible par un débutant** : peu de fichiers, JavaScript classique, données en JSON.
+
+## Prérequis
+
+- [Node.js](https://nodejs.org/) (version 18 ou plus), **ou**
+- [Docker](https://www.docker.com/) + Docker Compose
+
+## Démarrage rapide (sans Docker)
+
+```bash
+npm install
+npm start
+```
+
+Ouvre ensuite : [http://localhost:3000](http://localhost:3000)
+
+## Démarrage avec Docker
+
+```bash
+docker compose up --build
+```
+
+Puis : [http://localhost:3000](http://localhost:3000)
+
+Pour arrêter :
+
+```bash
+docker compose down
+```
+
+## Compte par défaut
+
+| Login | Mot de passe | Profil |
+| --- | --- | --- |
+| `admin` | `admin123` | administrateur |
+
+Change ce mot de passe en créant un nouveau compte admin, puis en n'utilisant plus celui-ci (ou en modifiant le fichier JSON).
+
+## Utilisation
+
+1. Se connecter avec le compte admin
+2. Créer des comptes utilisateurs (menu **Comptes**, réservé à l'admin)
+3. Ajouter des poules / coqs depuis la page d'accueil
+4. Ouvrir une fiche animal pour modifier, enregistrer ponte / couvage, ou archiver
+5. Consulter les **Archives** pour les animaux décédés
+
+## Structure du projet
+
+```
+poupoule/
+├── server.js              # Serveur Node.js (routes API)
+├── lib/donnees.js         # Lecture / écriture des fichiers JSON
+├── data/                  # Données persistantes (JSON)
+│   ├── utilisateurs.json
+│   ├── animaux.json
+│   ├── periodesPonte.json
+│   └── periodesCouvage.json
+├── uploads/               # Photos des animaux
+├── public/                # Interface (HTML, CSS, JS)
+│   ├── index.html         # Liste + statistiques
+│   ├── animal.html        # Fiche détaillée
+│   ├── archives.html
+│   ├── comptes.html
+│   ├── connexion.html
+│   ├── css/style.css
+│   └── js/                # Scripts par page
+├── Dockerfile
+├── docker-compose.yml
+└── cahierDesCharges.md
+```
+
+## Sauvegarde des données
+
+Les informations sont stockées dans le dossier `data/` (fichiers JSON) et les photos dans `uploads/`.
+
+Pour sauvegarder : **copie ces deux dossiers**.
+
+Avec Docker, ils sont montés en volumes : ils restent sur ta machine même si le conteneur est reconstruit.
+
+## Technologies
+
+| Couche | Choix |
+| --- | --- |
+| Front | HTML, CSS, JavaScript (sans framework) |
+| Back | Node.js + Express |
+| Données | Fichiers JSON |
+| Auth | Sessions + mots de passe hachés (bcrypt) |
+
+## Documentation métier
+
+Voir [cahierDesCharges.md](cahierDesCharges.md).
diff --git a/cahierDesCharges.md b/cahierDesCharges.md
new file mode 100644
index 0000000..c59e2e3
--- /dev/null
+++ b/cahierDesCharges.md
@@ -0,0 +1,191 @@
+# Cahier des charges — Mon Poulailler
+
+## 1. Contexte
+
+Le projet **Mon Poulailler** vise à créer une application web de gestion d’un poulailler.
+
+Dans la gestion quotidienne d’un poulailler, il est important de connaître :
+
+* le nombre de poules et de coqs ;
+* l’identité et les caractéristiques de chaque animal ;
+* l’état de santé ;
+* les périodes de ponte (début, durée, fin) ;
+* les périodes de couvage ;
+* l’historique des animaux décédés.
+
+L’application doit permettre de suivre ces informations de façon centralisée et à jour.
+
+## 2. Objectif
+
+Disposer d’une vue claire et à jour de l’état du poulailler : effectifs, animaux actifs, périodes de ponte et de couvage, et archives.
+
+## 3. Périmètre
+
+### 3.1 Inclus
+
+* Authentification (création de comptes, connexion) ;
+* gestion des poules et des coqs ;
+* suivi des périodes de ponte et de couvage ;
+* statistiques d’effectifs en temps réel ;
+* archivage des animaux décédés ;
+* déploiement local via Docker.
+
+### 3.2 Hors périmètre (version initiale)
+
+* Application mobile native ;
+* notifications push / alertes automatiques ;
+* suivi vétérinaire détaillé (ordonnances, traitements) ;
+* gestion multi-poulaillers ;
+* synchronisation cloud / multi-appareils hors réseau local ;
+* inventaire des œufs au quotidien (sauf si lié explicitement à une période de ponte).
+
+## 4. Utilisateurs
+
+| Profil | Description | Droits principaux |
+| --- | --- | --- |
+| Administrateur | Responsable du poulailler / de l’application | Créer des comptes, gérer tous les animaux |
+| Utilisateur | Personne qui s’occupe des poules | Gérer les poules et les coqs (sans création de comptes) |
+
+## 5. Fonctionnalités
+
+### 5.1 Authentification et comptes
+
+* Création de comptes (réservée à l’administrateur) ;
+* connexion par identifiant et mot de passe ;
+* déconnexion ;
+* deux profils : **Admin** et **Utilisateur**.
+
+| Action | Admin | Utilisateur |
+| --- | --- | --- |
+| Se connecter / se déconnecter | Oui | Oui |
+| Créer un compte | Oui | Non |
+| Gérer poules et coqs | Oui | Oui |
+| Consulter les statistiques | Oui | Oui |
+| Consulter les archives | Oui | Oui |
+
+### 5.2 Gestion des animaux (poules et coqs)
+
+Pour chaque animal, l’application permet de renseigner et consulter :
+
+| Donnée | Description |
+| --- | --- |
+| Identifiant unique | Identifiant technique unique dans l’application |
+| Photo | Image de l’animal |
+| Couleur de bague | Couleur de la bague d’identification |
+| Numéro de bague | Numéro associé à la bague |
+| Date de naissance | Date de naissance (ou date d’arrivée si inconnue) |
+| Type | Poule ou coq |
+| État de santé | Indication simple de l’état de santé |
+| Date de fin de vie | Renseignée lorsque l’animal décède |
+
+Actions attendues :
+
+* créer un animal ;
+* modifier ses informations ;
+* consulter sa fiche détaillée ;
+* marquer un animal comme décédé (passe en archive) ;
+* lister les animaux actifs ;
+* lister les animaux archivés (décédés).
+
+### 5.3 Périodes de ponte (poules uniquement)
+
+* Enregistrer une ou plusieurs périodes de ponte ;
+* pour chaque période : date de début, date de fin (optionnelle si en cours), éventuellement une remarque ;
+* indiquer si la poule pond actuellement.
+
+### 5.4 Périodes de couvage (poules uniquement)
+
+* Enregistrer une ou plusieurs périodes de couvage ;
+* pour chaque période : date de début, date de fin (optionnelle si en cours), éventuellement une remarque ;
+* indiquer si la poule est actuellement en couvage.
+
+### 5.5 Statistiques
+
+Affichage en temps réel (après chaque action ou au chargement) :
+
+* nombre de poules actives ;
+* nombre de coqs actifs ;
+* nombre total d’animaux actifs ;
+* nombre de poules actuellement en couvage ;
+* nombre de poules actuellement en ponte (souhaitable).
+
+### 5.6 Archives
+
+* Vue dédiée aux animaux décédés ;
+* conservation des informations (identité, bagues, dates, historique de ponte / couvage) ;
+* pas de suppression définitive obligatoire en v1 (possibilité de la prévoir plus tard).
+
+## 6. Exigences non fonctionnelles
+
+| Exigence | Attendu |
+| --- | --- |
+| Accessibilité | Interface utilisable sur ordinateur et tablette (responsive de base) |
+| Performance | Réponses rapides sur un usage local (peu d’utilisateurs simultanés) |
+| Sécurité | Mots de passe stockés de façon sécurisée (hachage) ; accès réservé aux utilisateurs authentifiés |
+| Disponibilité | Application disponible en local via Docker |
+| Ergonomie | Navigation simple : liste, fiche animal, statistiques, archives |
+| Données | Persistance via fichiers JSON ; sauvegarde manuelle possible en copiant les fichiers |
+
+## 7. Spécifications techniques
+
+| Élément | Choix |
+| --- | --- |
+| Type d’application | Application web |
+| Hébergement | Local, via Docker |
+| Front-end | HTML, CSS, JavaScript |
+| Back-end | JavaScript (Node.js recommandé) |
+| Base de données | Fichiers JSON (stockage documentaire) |
+
+### 7.1 Architecture cible (indicatif)
+
+* Interface web servie par le back-end ;
+* API métier pour authentification et CRUD animaux / périodes ;
+* persistance dans un ou plusieurs fichiers JSON montés en volume Docker.
+
+### 7.2 Contraintes techniques
+
+* Fonctionnement hors cloud, en environnement local ;
+* pas de dépendance à une base relationnelle en v1 ;
+* les données doivent survivre à un redémarrage du conteneur (volume Docker).
+
+## 8. Modèle de données (indicatif)
+
+### Utilisateur
+
+* `id`, `login`, `motDePasseHash`, `profil` (`admin` | `utilisateur`)
+
+### Animal
+
+* `id`, `type` (`poule` | `coq`), `photo`, `couleurBague`, `numeroBague`, `dateNaissance`, `etatSante`, `dateFinDeVie` (nullable), `actif` (booléen)
+
+### PeriodePonte
+
+* `id`, `idAnimal`, `dateDebut`, `dateFin` (nullable), `remarque`
+
+### PeriodeCouvage
+
+* `id`, `idAnimal`, `dateDebut`, `dateFin` (nullable), `remarque`
+
+## 9. Critères d’acceptation (v1)
+
+* Un administrateur peut créer un compte utilisateur et se connecter.
+* Un utilisateur connecté peut ajouter une poule avec photo, bague, date de naissance.
+* Un utilisateur peut enregistrer une période de ponte et une période de couvage.
+* Les statistiques affichent correctement le nombre de poules, de coqs et de poules en couvage.
+* Marquer une poule comme décédée la retire de la liste active et l’ajoute aux archives.
+* L’application démarre via Docker et conserve les données après redémarrage.
+
+## 10. Livrables
+
+* Code source de l’application ;
+* `Dockerfile` / `docker-compose` pour le lancement local ;
+* documentation courte de démarrage (installation, comptes, sauvegarde des JSON) ;
+* le présent cahier des charges à jour.
+
+## 11. Evolutions possibles (hors v1)
+
+* Suivi quotidien des œufs collectés ;
+* alertes (fin de ponte, couvage prolongé) ;
+* export CSV / PDF ;
+* multi-poulaillers ;
+* application mobile.
diff --git a/data/animaux.json b/data/animaux.json
new file mode 100644
index 0000000..fb3fe28
--- /dev/null
+++ b/data/animaux.json
@@ -0,0 +1,13 @@
+[
+  {
+    "id": "mugpv73kclf5lu",
+    "type": "poule",
+    "photo": "/uploads/mugpvgsib4adaw.jpg",
+    "couleurBague": "Rouge",
+    "numeroBague": "38",
+    "dateNaissance": "2026-04-05",
+    "etatSante": "bon",
+    "dateFinDeVie": null,
+    "actif": true
+  }
+]
\ No newline at end of file
diff --git a/data/periodesCouvage.json b/data/periodesCouvage.json
new file mode 100644
index 0000000..f2236b9
--- /dev/null
+++ b/data/periodesCouvage.json
@@ -0,0 +1,9 @@
+[
+  {
+    "id": "mugpvzh6249gwn",
+    "idAnimal": "mugpv73kclf5lu",
+    "dateDebut": "2026-03-03",
+    "dateFin": null,
+    "remarque": ""
+  }
+]
\ No newline at end of file
diff --git a/data/periodesPonte.json b/data/periodesPonte.json
new file mode 100644
index 0000000..1aa3431
--- /dev/null
+++ b/data/periodesPonte.json
@@ -0,0 +1,9 @@
+[
+  {
+    "id": "mugpvr65eki768",
+    "idAnimal": "mugpv73kclf5lu",
+    "dateDebut": "2026-02-02",
+    "dateFin": null,
+    "remarque": ""
+  }
+]
\ No newline at end of file
diff --git a/data/utilisateurs.json b/data/utilisateurs.json
new file mode 100644
index 0000000..cf2d959
--- /dev/null
+++ b/data/utilisateurs.json
@@ -0,0 +1,14 @@
+[
+  {
+    "id": "admin001",
+    "login": "admin",
+    "motDePasseHash": "$2a$10$PFIJmZ9LxGO5pAqR3d8Ld.zaMQdg0F..BLzPPWz8a.P0JsJkcGp4q",
+    "profil": "admin"
+  },
+  {
+    "id": "mugpwhdhkoe7ar",
+    "login": "Greg",
+    "motDePasseHash": "$2a$10$5H5xgUTeJvptVTNH5szKG.7.kfXDb8llbT2JNzaCiblAVivQE8HZq",
+    "profil": "utilisateur"
+  }
+]
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..3d465e1
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,11 @@
+services:
+  poulailler:
+    build: .
+    ports:
+      - "3000:3000"
+    volumes:
+      # Les données JSON survivent au redémarrage du conteneur
+      - ./data:/app/data
+      # Les photos uploadées aussi
+      - ./uploads:/app/uploads
+    restart: unless-stopped
diff --git a/lib/donnees.js b/lib/donnees.js
new file mode 100644
index 0000000..bc70f00
--- /dev/null
+++ b/lib/donnees.js
@@ -0,0 +1,50 @@
+const fs = require("fs");
+const path = require("path");
+
+const dossierData = path.join(__dirname, "..", "data");
+
+/**
+ * Lit un fichier JSON et retourne son contenu.
+ * Si le fichier n'existe pas, retourne la valeur par défaut.
+ */
+function lireJson(nomFichier, valeurParDefaut)
+{
+    const chemin = path.join(dossierData, nomFichier);
+
+    if (!fs.existsSync(chemin))
+    {
+        return valeurParDefaut;
+    }
+
+    const contenu = fs.readFileSync(chemin, "utf8");
+    return JSON.parse(contenu);
+}
+
+/**
+ * Écrit un objet JavaScript dans un fichier JSON.
+ */
+function ecrireJson(nomFichier, donnees)
+{
+    if (!fs.existsSync(dossierData))
+    {
+        fs.mkdirSync(dossierData, { recursive: true });
+    }
+
+    const chemin = path.join(dossierData, nomFichier);
+    fs.writeFileSync(chemin, JSON.stringify(donnees, null, 2), "utf8");
+}
+
+/**
+ * Génère un identifiant simple à partir de la date et d'un nombre aléatoire.
+ */
+function genererId()
+{
+    return Date.now().toString(36) + Math.random().toString(36).slice(2, 8);
+}
+
+module.exports = {
+    lireJson,
+    ecrireJson,
+    genererId,
+    dossierData
+};
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..aa34bf8
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1668 @@
+{
+  "name": "mon-poulailler",
+  "version": "1.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "mon-poulailler",
+      "version": "1.0.0",
+      "dependencies": {
+        "bcryptjs": "^2.4.3",
+        "express": "^4.21.2",
+        "express-session": "^1.18.1",
+        "multer": "^1.4.5-lts.1"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/append-field": {
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+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..7d5efdc
--- /dev/null
+++ b/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "mon-poulailler",
+  "version": "1.0.0",
+  "description": "Application web simple de gestion d'un poulailler",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "dev": "node server.js"
+  },
+  "dependencies": {
+    "bcryptjs": "^2.4.3",
+    "express": "^4.21.2",
+    "express-session": "^1.18.1",
+    "multer": "^1.4.5-lts.1"
+  }
+}
diff --git a/public/animal.html b/public/animal.html
new file mode 100644
index 0000000..895f80c
--- /dev/null
+++ b/public/animal.html
@@ -0,0 +1,119 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Fiche animal — Mon Poulailler</title>
+    <link rel="stylesheet" href="/css/style.css">
+</head>
+<body>
+    <header class="entete">
+        <h1><a href="/">Mon Poulailler</a></h1>
+        <nav>
+            <a href="/">Animaux</a>
+            <a href="/archives.html">Archives</a>
+            <a href="/comptes.html" id="lienComptes" hidden>Comptes</a>
+            <button type="button" id="boutonDeconnexion">Déconnexion</button>
+        </nav>
+        <p class="info-session">Connecté : <span id="nomUtilisateur"></span></p>
+    </header>
+
+    <main>
+        <p><a href="/" class="lien-retour">← Retour à la liste</a></p>
+
+        <section id="ficheAnimal" class="fiche">
+            <p>Chargement…</p>
+        </section>
+
+        <section id="sectionPeriodes" hidden>
+            <h2>Périodes de ponte</h2>
+            <div id="listePonte"></div>
+            <button type="button" id="boutonAjouterPonte">Ajouter une période de ponte</button>
+
+            <h2>Périodes de couvage</h2>
+            <div id="listeCouvage"></div>
+            <button type="button" id="boutonAjouterCouvage">Ajouter une période de couvage</button>
+        </section>
+    </main>
+
+    <dialog id="dialoguePeriode">
+        <form id="formPeriode" method="dialog">
+            <h3 id="titrePeriode">Nouvelle période</h3>
+            <input type="hidden" id="typePeriode">
+
+            <label for="dateDebut">Date de début</label>
+            <input type="date" id="dateDebut" required>
+
+            <label for="dateFin">Date de fin (vide si en cours)</label>
+            <input type="date" id="dateFin">
+
+            <label for="remarque">Remarque</label>
+            <textarea id="remarque" rows="3"></textarea>
+
+            <p id="erreurPeriode" class="erreur" hidden></p>
+
+            <div class="actions-dialogue">
+                <button type="button" id="annulerPeriode" class="secondaire">Annuler</button>
+                <button type="submit">Enregistrer</button>
+            </div>
+        </form>
+    </dialog>
+
+    <dialog id="dialogueDeces">
+        <form id="formDeces" method="dialog">
+            <h3>Marquer comme décédé</h3>
+            <p>L'animal passera dans les archives. Les périodes en cours seront clôturées.</p>
+
+            <label for="dateFinDeVie">Date de fin de vie</label>
+            <input type="date" id="dateFinDeVie" required>
+
+            <div class="actions-dialogue">
+                <button type="button" id="annulerDeces" class="secondaire">Annuler</button>
+                <button type="submit" class="danger">Confirmer</button>
+            </div>
+        </form>
+    </dialog>
+
+    <dialog id="dialogueAnimal">
+        <form id="formAnimal" method="dialog">
+            <h3>Modifier l'animal</h3>
+            <input type="hidden" id="animalId">
+
+            <label for="type">Type</label>
+            <select id="type" required>
+                <option value="poule">Poule</option>
+                <option value="coq">Coq</option>
+            </select>
+
+            <label for="couleurBague">Couleur de bague</label>
+            <input type="text" id="couleurBague">
+
+            <label for="numeroBague">Numéro de bague</label>
+            <input type="text" id="numeroBague">
+
+            <label for="dateNaissance">Date de naissance / arrivée</label>
+            <input type="date" id="dateNaissance">
+
+            <label for="etatSante">État de santé</label>
+            <select id="etatSante">
+                <option value="bon">Bon</option>
+                <option value="moyen">Moyen</option>
+                <option value="mauvais">Mauvais</option>
+            </select>
+
+            <label for="photo">Nouvelle photo (optionnel)</label>
+            <input type="file" id="photo" accept="image/*">
+
+            <p id="erreurAnimal" class="erreur" hidden></p>
+
+            <div class="actions-dialogue">
+                <button type="button" id="annulerAnimal" class="secondaire">Annuler</button>
+                <button type="submit">Enregistrer</button>
+            </div>
+        </form>
+    </dialog>
+
+    <script src="/js/commun.js"></script>
+    <script src="/js/fiche.js"></script>
+</body>
+</html>
diff --git a/public/archives.html b/public/archives.html
new file mode 100644
index 0000000..0c7c07d
--- /dev/null
+++ b/public/archives.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Archives — Mon Poulailler</title>
+    <link rel="stylesheet" href="/css/style.css">
+</head>
+<body>
+    <header class="entete">
+        <h1><a href="/">Mon Poulailler</a></h1>
+        <nav>
+            <a href="/">Animaux</a>
+            <a href="/archives.html" class="actif">Archives</a>
+            <a href="/comptes.html" id="lienComptes" hidden>Comptes</a>
+            <button type="button" id="boutonDeconnexion">Déconnexion</button>
+        </nav>
+        <p class="info-session">Connecté : <span id="nomUtilisateur"></span></p>
+    </header>
+
+    <main>
+        <section>
+            <h2>Animaux décédés</h2>
+            <div id="listeArchives" class="grille-animaux"></div>
+            <p id="messageVide" class="message-vide" hidden>Aucun animal archivé.</p>
+        </section>
+    </main>
+
+    <script src="/js/commun.js"></script>
+    <script src="/js/archives.js"></script>
+</body>
+</html>
diff --git a/public/comptes.html b/public/comptes.html
new file mode 100644
index 0000000..770bb96
--- /dev/null
+++ b/public/comptes.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Comptes — Mon Poulailler</title>
+    <link rel="stylesheet" href="/css/style.css">
+</head>
+<body>
+    <header class="entete">
+        <h1><a href="/">Mon Poulailler</a></h1>
+        <nav>
+            <a href="/">Animaux</a>
+            <a href="/archives.html">Archives</a>
+            <a href="/comptes.html" class="actif" id="lienComptes">Comptes</a>
+            <button type="button" id="boutonDeconnexion">Déconnexion</button>
+        </nav>
+        <p class="info-session">Connecté : <span id="nomUtilisateur"></span></p>
+    </header>
+
+    <main>
+        <section>
+            <div class="titre-avec-action">
+                <h2>Comptes utilisateurs</h2>
+                <button type="button" id="boutonNouveauCompte">Créer un compte</button>
+            </div>
+
+            <table class="tableau">
+                <thead>
+                    <tr>
+                        <th>Login</th>
+                        <th>Profil</th>
+                    </tr>
+                </thead>
+                <tbody id="listeComptes"></tbody>
+            </table>
+        </section>
+    </main>
+
+    <dialog id="dialogueCompte">
+        <form id="formCompte" method="dialog">
+            <h3>Créer un compte</h3>
+
+            <label for="login">Identifiant</label>
+            <input type="text" id="login" required>
+
+            <label for="motDePasse">Mot de passe</label>
+            <input type="password" id="motDePasse" required minlength="4">
+
+            <label for="profil">Profil</label>
+            <select id="profil">
+                <option value="utilisateur">Utilisateur</option>
+                <option value="admin">Admin</option>
+            </select>
+
+            <p id="erreurCompte" class="erreur" hidden></p>
+
+            <div class="actions-dialogue">
+                <button type="button" id="annulerCompte" class="secondaire">Annuler</button>
+                <button type="submit">Créer</button>
+            </div>
+        </form>
+    </dialog>
+
+    <script src="/js/commun.js"></script>
+    <script src="/js/comptes.js"></script>
+</body>
+</html>
diff --git a/public/connexion.html b/public/connexion.html
new file mode 100644
index 0000000..5f62811
--- /dev/null
+++ b/public/connexion.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Connexion — Mon Poulailler</title>
+    <link rel="stylesheet" href="/css/style.css">
+</head>
+<body class="page-connexion">
+    <main class="boite-connexion">
+        <h1>Mon Poulailler</h1>
+        <p class="sous-titre">Connexion</p>
+
+        <form id="formConnexion">
+            <label for="login">Identifiant</label>
+            <input type="text" id="login" name="login" required autocomplete="username">
+
+            <label for="motDePasse">Mot de passe</label>
+            <input type="password" id="motDePasse" name="motDePasse" required autocomplete="current-password">
+
+            <p id="messageErreur" class="erreur" hidden></p>
+
+            <button type="submit">Se connecter</button>
+        </form>
+    </main>
+
+    <script src="/js/commun.js"></script>
+    <script src="/js/connexion.js"></script>
+</body>
+</html>
diff --git a/public/css/style.css b/public/css/style.css
new file mode 100644
index 0000000..650bffc
--- /dev/null
+++ b/public/css/style.css
@@ -0,0 +1,476 @@
+:root
+{
+    --vert: #3d6b4f;
+    --vert-fonce: #2a4a37;
+    --beige: #f7f3eb;
+    --creme: #fffdf8;
+    --texte: #2c2c2c;
+    --bordure: #d4cbb8;
+    --erreur: #a33;
+    --danger: #8b3a3a;
+}
+
+*
+{
+    box-sizing: border-box;
+}
+
+body
+{
+    margin: 0;
+    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
+    background: var(--beige);
+    color: var(--texte);
+    line-height: 1.5;
+}
+
+a
+{
+    color: var(--vert);
+}
+
+/* ----- Connexion ----- */
+
+.page-connexion
+{
+    min-height: 100vh;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background:
+        linear-gradient(160deg, #e8f0e4 0%, var(--beige) 50%, #efe6d4 100%);
+}
+
+.boite-connexion
+{
+    background: var(--creme);
+    padding: 2rem;
+    border: 1px solid var(--bordure);
+    width: 100%;
+    max-width: 360px;
+}
+
+.boite-connexion h1
+{
+    margin: 0 0 0.25rem;
+    color: var(--vert-fonce);
+    text-align: center;
+}
+
+.sous-titre
+{
+    text-align: center;
+    margin-top: 0;
+    color: #666;
+}
+
+/* ----- En-tête ----- */
+
+.entete
+{
+    background: var(--vert);
+    color: white;
+    padding: 1rem 1.5rem;
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    gap: 1rem;
+}
+
+.entete h1
+{
+    margin: 0;
+    font-size: 1.4rem;
+}
+
+.entete h1 a
+{
+    color: white;
+    text-decoration: none;
+}
+
+.entete nav
+{
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.75rem;
+    align-items: center;
+    flex: 1;
+}
+
+.entete nav a
+{
+    color: #e8f0e4;
+    text-decoration: none;
+    padding: 0.25rem 0.5rem;
+}
+
+.entete nav a.actif,
+.entete nav a:hover
+{
+    text-decoration: underline;
+}
+
+.info-session
+{
+    margin: 0;
+    font-size: 0.9rem;
+    opacity: 0.9;
+}
+
+main
+{
+    max-width: 960px;
+    margin: 0 auto;
+    padding: 1.5rem;
+}
+
+/* ----- Formulaires ----- */
+
+label
+{
+    display: block;
+    margin-top: 0.75rem;
+    margin-bottom: 0.25rem;
+    font-weight: 600;
+}
+
+input,
+select,
+textarea,
+button
+{
+    font: inherit;
+}
+
+input[type="text"],
+input[type="password"],
+input[type="date"],
+input[type="file"],
+select,
+textarea
+{
+    width: 100%;
+    padding: 0.5rem;
+    border: 1px solid var(--bordure);
+    background: white;
+}
+
+button
+{
+    margin-top: 1rem;
+    padding: 0.55rem 1rem;
+    background: var(--vert);
+    color: white;
+    border: none;
+    cursor: pointer;
+}
+
+button:hover
+{
+    background: var(--vert-fonce);
+}
+
+button.secondaire
+{
+    background: #888;
+}
+
+button.secondaire:hover
+{
+    background: #666;
+}
+
+button.danger
+{
+    background: var(--danger);
+}
+
+.erreur
+{
+    color: var(--erreur);
+    margin-top: 0.75rem;
+}
+
+/* ----- Stats ----- */
+
+.statistiques
+{
+    background: var(--creme);
+    border: 1px solid var(--bordure);
+    padding: 1rem 1.25rem;
+    margin-bottom: 1.5rem;
+}
+
+.statistiques h2
+{
+    margin-top: 0;
+    font-size: 1.1rem;
+}
+
+.liste-stats
+{
+    list-style: none;
+    padding: 0;
+    margin: 0;
+    display: flex;
+    flex-wrap: wrap;
+    gap: 1rem;
+}
+
+.liste-stats li
+{
+    background: #eef5ee;
+    padding: 0.5rem 0.85rem;
+}
+
+.liste-stats span
+{
+    font-weight: 700;
+    color: var(--vert-fonce);
+}
+
+/* ----- Liste animaux ----- */
+
+.titre-avec-action
+{
+    display: flex;
+    flex-wrap: wrap;
+    align-items: center;
+    justify-content: space-between;
+    gap: 0.75rem;
+}
+
+.titre-avec-action h2
+{
+    margin: 0;
+}
+
+.titre-avec-action button
+{
+    margin-top: 0;
+}
+
+.grille-animaux
+{
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+    gap: 1rem;
+    margin-top: 1rem;
+}
+
+.carte-animal
+{
+    background: var(--creme);
+    border: 1px solid var(--bordure);
+    padding: 0.75rem;
+    text-decoration: none;
+    color: inherit;
+    display: block;
+}
+
+.carte-animal:hover
+{
+    border-color: var(--vert);
+}
+
+.carte-animal img
+{
+    width: 100%;
+    height: 140px;
+    object-fit: cover;
+    background: #ddd;
+    display: block;
+}
+
+.carte-animal .sans-photo
+{
+    width: 100%;
+    height: 140px;
+    background: #ddd;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: #666;
+    font-size: 0.9rem;
+}
+
+.carte-animal h3
+{
+    margin: 0.5rem 0 0.25rem;
+    font-size: 1rem;
+    text-transform: capitalize;
+}
+
+.carte-animal p
+{
+    margin: 0.15rem 0;
+    font-size: 0.9rem;
+}
+
+.badge
+{
+    display: inline-block;
+    font-size: 0.75rem;
+    padding: 0.1rem 0.4rem;
+    background: #eef5ee;
+    margin-right: 0.25rem;
+}
+
+.message-vide
+{
+    color: #666;
+    font-style: italic;
+}
+
+/* ----- Fiche ----- */
+
+.fiche
+{
+    background: var(--creme);
+    border: 1px solid var(--bordure);
+    padding: 1.25rem;
+    display: grid;
+    grid-template-columns: 200px 1fr;
+    gap: 1.25rem;
+}
+
+.fiche img,
+.fiche .sans-photo
+{
+    width: 200px;
+    height: 200px;
+    object-fit: cover;
+    background: #ddd;
+}
+
+.fiche .sans-photo
+{
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: #666;
+}
+
+.fiche dl
+{
+    margin: 0;
+}
+
+.fiche dt
+{
+    font-weight: 600;
+    margin-top: 0.5rem;
+}
+
+.fiche dd
+{
+    margin: 0.15rem 0 0;
+}
+
+.actions-fiche
+{
+    margin-top: 1rem;
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.5rem;
+}
+
+.actions-fiche button
+{
+    margin-top: 0;
+}
+
+.lien-retour
+{
+    text-decoration: none;
+}
+
+#sectionPeriodes h2
+{
+    margin-top: 2rem;
+}
+
+.tableau-periodes
+{
+    width: 100%;
+    border-collapse: collapse;
+    margin: 0.75rem 0;
+    background: var(--creme);
+}
+
+.tableau-periodes th,
+.tableau-periodes td
+{
+    border: 1px solid var(--bordure);
+    padding: 0.5rem;
+    text-align: left;
+}
+
+.tableau
+{
+    width: 100%;
+    border-collapse: collapse;
+    margin-top: 1rem;
+    background: var(--creme);
+}
+
+.tableau th,
+.tableau td
+{
+    border: 1px solid var(--bordure);
+    padding: 0.6rem;
+    text-align: left;
+}
+
+/* ----- Dialogues ----- */
+
+dialog
+{
+    border: 1px solid var(--bordure);
+    padding: 1.25rem;
+    max-width: 420px;
+    width: 90%;
+    background: var(--creme);
+}
+
+dialog::backdrop
+{
+    background: rgba(0, 0, 0, 0.4);
+}
+
+.actions-dialogue
+{
+    display: flex;
+    justify-content: flex-end;
+    gap: 0.5rem;
+    margin-top: 0.5rem;
+}
+
+.actions-dialogue button
+{
+    margin-top: 0.5rem;
+}
+
+/* ----- Responsive ----- */
+
+@media (max-width: 640px)
+{
+    .fiche
+    {
+        grid-template-columns: 1fr;
+    }
+
+    .fiche img,
+    .fiche .sans-photo
+    {
+        width: 100%;
+        height: 200px;
+    }
+
+    .entete
+    {
+        flex-direction: column;
+        align-items: flex-start;
+    }
+}
diff --git a/public/index.html b/public/index.html
new file mode 100644
index 0000000..8a90ec2
--- /dev/null
+++ b/public/index.html
@@ -0,0 +1,87 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Mon Poulailler</title>
+    <link rel="stylesheet" href="/css/style.css">
+</head>
+<body>
+    <header class="entete">
+        <h1><a href="/">Mon Poulailler</a></h1>
+        <nav>
+            <a href="/" class="actif">Animaux</a>
+            <a href="/archives.html">Archives</a>
+            <a href="/comptes.html" id="lienComptes" hidden>Comptes</a>
+            <button type="button" id="boutonDeconnexion">Déconnexion</button>
+        </nav>
+        <p class="info-session">Connecté : <span id="nomUtilisateur"></span></p>
+    </header>
+
+    <main>
+        <section class="statistiques" id="blocStatistiques">
+            <h2>Statistiques</h2>
+            <ul class="liste-stats">
+                <li><span id="statPoules">0</span> poules</li>
+                <li><span id="statCoqs">0</span> coqs</li>
+                <li><span id="statTotal">0</span> actifs</li>
+                <li><span id="statPonte">0</span> en ponte</li>
+                <li><span id="statCouvage">0</span> en couvage</li>
+            </ul>
+        </section>
+
+        <section>
+            <div class="titre-avec-action">
+                <h2>Animaux actifs</h2>
+                <button type="button" id="boutonNouvelAnimal">Ajouter un animal</button>
+            </div>
+
+            <div id="listeAnimaux" class="grille-animaux"></div>
+            <p id="messageVide" class="message-vide" hidden>Aucun animal actif pour le moment.</p>
+        </section>
+    </main>
+
+    <!-- Formulaire d'ajout / modification -->
+    <dialog id="dialogueAnimal">
+        <form id="formAnimal" method="dialog">
+            <h3 id="titreDialogueAnimal">Ajouter un animal</h3>
+            <input type="hidden" id="animalId">
+
+            <label for="type">Type</label>
+            <select id="type" required>
+                <option value="poule">Poule</option>
+                <option value="coq">Coq</option>
+            </select>
+
+            <label for="couleurBague">Couleur de bague</label>
+            <input type="text" id="couleurBague" placeholder="ex. rouge">
+
+            <label for="numeroBague">Numéro de bague</label>
+            <input type="text" id="numeroBague" placeholder="ex. 12">
+
+            <label for="dateNaissance">Date de naissance / arrivée</label>
+            <input type="date" id="dateNaissance">
+
+            <label for="etatSante">État de santé</label>
+            <select id="etatSante">
+                <option value="bon">Bon</option>
+                <option value="moyen">Moyen</option>
+                <option value="mauvais">Mauvais</option>
+            </select>
+
+            <label for="photo">Photo</label>
+            <input type="file" id="photo" accept="image/*">
+
+            <p id="erreurAnimal" class="erreur" hidden></p>
+
+            <div class="actions-dialogue">
+                <button type="button" id="annulerAnimal" class="secondaire">Annuler</button>
+                <button type="submit">Enregistrer</button>
+            </div>
+        </form>
+    </dialog>
+
+    <script src="/js/commun.js"></script>
+    <script src="/js/accueil.js"></script>
+</body>
+</html>
diff --git a/public/js/accueil.js b/public/js/accueil.js
new file mode 100644
index 0000000..898eaf3
--- /dev/null
+++ b/public/js/accueil.js
@@ -0,0 +1,114 @@
+/**
+ * Page d'accueil : statistiques + liste des animaux actifs.
+ */
+
+let utilisateurCourant = null;
+
+async function chargerStatistiques()
+{
+    const stats = await appelerApi("/api/statistiques");
+
+    if (!stats)
+    {
+        return;
+    }
+
+    document.getElementById("statPoules").textContent = stats.nombrePoulesActives;
+    document.getElementById("statCoqs").textContent = stats.nombreCoqsActifs;
+    document.getElementById("statTotal").textContent = stats.nombreTotalActifs;
+    document.getElementById("statPonte").textContent = stats.nombreEnPonte;
+    document.getElementById("statCouvage").textContent = stats.nombreEnCouvage;
+}
+
+async function chargerAnimaux()
+{
+    const animaux = await appelerApi("/api/animaux?actifs=oui");
+
+    if (!animaux)
+    {
+        return;
+    }
+
+    const liste = document.getElementById("listeAnimaux");
+    const messageVide = document.getElementById("messageVide");
+
+    if (animaux.length === 0)
+    {
+        liste.innerHTML = "";
+        messageVide.hidden = false;
+        return;
+    }
+
+    messageVide.hidden = true;
+    liste.innerHTML = animaux.map(htmlCarteAnimal).join("");
+}
+
+function ouvrirDialogueAjout()
+{
+    document.getElementById("titreDialogueAnimal").textContent = "Ajouter un animal";
+    document.getElementById("animalId").value = "";
+    document.getElementById("formAnimal").reset();
+    document.getElementById("erreurAnimal").hidden = true;
+    document.getElementById("dialogueAnimal").showModal();
+}
+
+document.getElementById("boutonNouvelAnimal").addEventListener("click", ouvrirDialogueAjout);
+
+document.getElementById("annulerAnimal").addEventListener("click", function ()
+{
+    document.getElementById("dialogueAnimal").close();
+});
+
+document.getElementById("formAnimal").addEventListener("submit", async function (event)
+{
+    event.preventDefault();
+
+    const erreurAnimal = document.getElementById("erreurAnimal");
+    erreurAnimal.hidden = true;
+
+    const formData = new FormData();
+    formData.append("type", document.getElementById("type").value);
+    formData.append("couleurBague", document.getElementById("couleurBague").value);
+    formData.append("numeroBague", document.getElementById("numeroBague").value);
+    formData.append("dateNaissance", document.getElementById("dateNaissance").value);
+    formData.append("etatSante", document.getElementById("etatSante").value);
+
+    const photo = document.getElementById("photo").files[0];
+    if (photo)
+    {
+        formData.append("photo", photo);
+    }
+
+    try
+    {
+        await appelerApi("/api/animaux", {
+            method: "POST",
+            body: formData
+        });
+
+        document.getElementById("dialogueAnimal").close();
+        await chargerAnimaux();
+        await chargerStatistiques();
+    }
+    catch (erreur)
+    {
+        erreurAnimal.textContent = erreur.message;
+        erreurAnimal.hidden = false;
+    }
+});
+
+async function demarrer()
+{
+    utilisateurCourant = await verifierSession();
+
+    if (!utilisateurCourant)
+    {
+        return;
+    }
+
+    brancherDeconnexion();
+    await chargerStatistiques();
+    await chargerAnimaux();
+}
+
+demarrer();
diff --git a/public/js/archives.js b/public/js/archives.js
new file mode 100644
index 0000000..bd450cd
--- /dev/null
+++ b/public/js/archives.js
@@ -0,0 +1,41 @@
+/**
+ * Page archives : animaux décédés.
+ */
+
+async function chargerArchives()
+{
+    const animaux = await appelerApi("/api/animaux?archives=oui");
+
+    if (!animaux)
+    {
+        return;
+    }
+
+    const liste = document.getElementById("listeArchives");
+    const messageVide = document.getElementById("messageVide");
+
+    if (animaux.length === 0)
+    {
+        liste.innerHTML = "";
+        messageVide.hidden = false;
+        return;
+    }
+
+    messageVide.hidden = true;
+    liste.innerHTML = animaux.map(htmlCarteAnimal).join("");
+}
+
+async function demarrer()
+{
+    const utilisateur = await verifierSession();
+
+    if (!utilisateur)
+    {
+        return;
+    }
+
+    brancherDeconnexion();
+    await chargerArchives();
+}
+
+demarrer();
diff --git a/public/js/commun.js b/public/js/commun.js
new file mode 100644
index 0000000..206865b
--- /dev/null
+++ b/public/js/commun.js
@@ -0,0 +1,133 @@
+/**
+ * Fonctions partagées entre les pages.
+ */
+
+/**
+ * Appelle l'API et retourne la réponse JSON.
+ * Redirige vers la page de connexion si non authentifié (401).
+ */
+async function appelerApi(url, options)
+{
+    const reponse = await fetch(url, options);
+    const donnees = await reponse.json().catch(function ()
+    {
+        return {};
+    });
+
+    if (reponse.status === 401 && !url.includes("/api/connexion"))
+    {
+        window.location.href = "/connexion.html";
+        return null;
+    }
+
+    if (!reponse.ok)
+    {
+        throw new Error(donnees.erreur || "Erreur serveur");
+    }
+
+    return donnees;
+}
+
+/**
+ * Vérifie la session. Redirige vers connexion si besoin.
+ * Affiche le nom et le lien Comptes pour l'admin.
+ */
+async function verifierSession()
+{
+    const session = await appelerApi("/api/session");
+
+    if (!session || !session.connecte)
+    {
+        window.location.href = "/connexion.html";
+        return null;
+    }
+
+    const nomUtilisateur = document.getElementById("nomUtilisateur");
+    if (nomUtilisateur)
+    {
+        nomUtilisateur.textContent = session.utilisateur.login + " (" + session.utilisateur.profil + ")";
+    }
+
+    const lienComptes = document.getElementById("lienComptes");
+    if (lienComptes && session.utilisateur.profil === "admin")
+    {
+        lienComptes.hidden = false;
+    }
+
+    return session.utilisateur;
+}
+
+/**
+ * Branche le bouton de déconnexion s'il est présent sur la page.
+ */
+function brancherDeconnexion()
+{
+    const bouton = document.getElementById("boutonDeconnexion");
+
+    if (!bouton)
+    {
+        return;
+    }
+
+    bouton.addEventListener("click", async function ()
+    {
+        await appelerApi("/api/deconnexion", { method: "POST" });
+        window.location.href = "/connexion.html";
+    });
+}
+
+/**
+ * Affiche une étiquette lisible pour le type d'animal.
+ */
+function libelleType(type)
+{
+    return type === "coq" ? "Coq" : "Poule";
+}
+
+/**
+ * Affiche une étiquette pour l'état de santé.
+ */
+function libelleSante(etat)
+{
+    if (etat === "moyen")
+    {
+        return "Moyen";
+    }
+
+    if (etat === "mauvais")
+    {
+        return "Mauvais";
+    }
+
+    return "Bon";
+}
+
+/**
+ * Construit le HTML d'une carte animal (liste).
+ */
+function htmlCarteAnimal(animal)
+{
+    let photoHtml = "<div class=\"sans-photo\">Pas de photo</div>";
+
+    if (animal.photo)
+    {
+        photoHtml = "<img src=\"" + animal.photo + "\" alt=\"Photo de l'animal\">";
+    }
+
+    let badges = "";
+
+    if (animal.actif === false && animal.dateFinDeVie)
+    {
+        badges += "<span class=\"badge\">Décédé le " + animal.dateFinDeVie + "</span>";
+    }
+
+    return (
+        "<a class=\"carte-animal\" href=\"/animal.html?id=" + animal.id + "\">" +
+            photoHtml +
+            "<h3>" + libelleType(animal.type) + "</h3>" +
+            "<p>Bague : " + (animal.couleurBague || "—") + " " + (animal.numeroBague || "") + "</p>" +
+            "<p>Santé : " + libelleSante(animal.etatSante) + "</p>" +
+            badges +
+        "</a>"
+    );
+}
diff --git a/public/js/comptes.js b/public/js/comptes.js
new file mode 100644
index 0000000..6137915
--- /dev/null
+++ b/public/js/comptes.js
@@ -0,0 +1,86 @@
+/**
+ * Page comptes (admin uniquement) : liste et création.
+ */
+
+async function chargerComptes()
+{
+    const comptes = await appelerApi("/api/utilisateurs");
+
+    if (!comptes)
+    {
+        return;
+    }
+
+    const tbody = document.getElementById("listeComptes");
+    tbody.innerHTML = comptes.map(function (compte)
+    {
+        return (
+            "<tr>" +
+                "<td>" + compte.login + "</td>" +
+                "<td>" + compte.profil + "</td>" +
+            "</tr>"
+        );
+    }).join("");
+}
+
+document.getElementById("boutonNouveauCompte").addEventListener("click", function ()
+{
+    document.getElementById("formCompte").reset();
+    document.getElementById("erreurCompte").hidden = true;
+    document.getElementById("dialogueCompte").showModal();
+});
+
+document.getElementById("annulerCompte").addEventListener("click", function ()
+{
+    document.getElementById("dialogueCompte").close();
+});
+
+document.getElementById("formCompte").addEventListener("submit", async function (event)
+{
+    event.preventDefault();
+
+    const erreurCompte = document.getElementById("erreurCompte");
+    erreurCompte.hidden = true;
+
+    try
+    {
+        await appelerApi("/api/utilisateurs", {
+            method: "POST",
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify({
+                login: document.getElementById("login").value.trim(),
+                motDePasse: document.getElementById("motDePasse").value,
+                profil: document.getElementById("profil").value
+            })
+        });
+
+        document.getElementById("dialogueCompte").close();
+        await chargerComptes();
+    }
+    catch (erreur)
+    {
+        erreurCompte.textContent = erreur.message;
+        erreurCompte.hidden = false;
+    }
+});
+
+async function demarrer()
+{
+    const utilisateur = await verifierSession();
+
+    if (!utilisateur)
+    {
+        return;
+    }
+
+    if (utilisateur.profil !== "admin")
+    {
+        window.location.href = "/";
+        return;
+    }
+
+    brancherDeconnexion();
+    await chargerComptes();
+}
+
+demarrer();
diff --git a/public/js/connexion.js b/public/js/connexion.js
new file mode 100644
index 0000000..add8c3c
--- /dev/null
+++ b/public/js/connexion.js
@@ -0,0 +1,42 @@
+/**
+ * Page de connexion.
+ */
+
+document.getElementById("formConnexion").addEventListener("submit", async function (event)
+{
+    event.preventDefault();
+
+    const messageErreur = document.getElementById("messageErreur");
+    messageErreur.hidden = true;
+
+    const login = document.getElementById("login").value.trim();
+    const motDePasse = document.getElementById("motDePasse").value;
+
+    try
+    {
+        await appelerApi("/api/connexion", {
+            method: "POST",
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify({
+                login: login,
+                motDePasse: motDePasse
+            })
+        });
+
+        window.location.href = "/";
+    }
+    catch (erreur)
+    {
+        messageErreur.textContent = erreur.message;
+        messageErreur.hidden = false;
+    }
+});
+
+/* Si déjà connecté, aller directement à l'accueil */
+appelerApi("/api/session").then(function (session)
+{
+    if (session && session.connecte)
+    {
+        window.location.href = "/";
+    }
+});
diff --git a/public/js/fiche.js b/public/js/fiche.js
new file mode 100644
index 0000000..e802067
--- /dev/null
+++ b/public/js/fiche.js
@@ -0,0 +1,319 @@
+/**
+ * Page fiche animal : détail, modification, périodes, décès.
+ */
+
+let animalCourant = null;
+let periodesPonte = [];
+let periodesCouvage = [];
+
+function recupererIdDepuisUrl()
+{
+    const parametres = new URLSearchParams(window.location.search);
+    return parametres.get("id");
+}
+
+function afficherFiche()
+{
+    const animal = animalCourant;
+    let photoHtml = "<div class=\"sans-photo\">Pas de photo</div>";
+
+    if (animal.photo)
+    {
+        photoHtml = "<img src=\"" + animal.photo + "\" alt=\"Photo\">";
+    }
+
+    let actions = "";
+
+    if (animal.actif)
+    {
+        actions =
+            "<div class=\"actions-fiche\">" +
+                "<button type=\"button\" id=\"boutonModifier\">Modifier</button>" +
+                "<button type=\"button\" id=\"boutonDeces\" class=\"danger\">Marquer comme décédé</button>" +
+            "</div>";
+    }
+
+    const dateFin = animal.dateFinDeVie
+        ? "<dt>Date de fin de vie</dt><dd>" + animal.dateFinDeVie + "</dd>"
+        : "";
+
+    document.getElementById("ficheAnimal").innerHTML =
+        photoHtml +
+        "<div>" +
+            "<h2>" + libelleType(animal.type) + "</h2>" +
+            "<dl>" +
+                "<dt>Couleur de bague</dt><dd>" + (animal.couleurBague || "—") + "</dd>" +
+                "<dt>Numéro de bague</dt><dd>" + (animal.numeroBague || "—") + "</dd>" +
+                "<dt>Date de naissance</dt><dd>" + (animal.dateNaissance || "—") + "</dd>" +
+                "<dt>État de santé</dt><dd>" + libelleSante(animal.etatSante) + "</dd>" +
+                "<dt>Statut</dt><dd>" + (animal.actif ? "Actif" : "Archivé") + "</dd>" +
+                dateFin +
+            "</dl>" +
+            actions +
+        "</div>";
+
+    if (animal.actif)
+    {
+        document.getElementById("boutonModifier").addEventListener("click", ouvrirModification);
+        document.getElementById("boutonDeces").addEventListener("click", ouvrirDeces);
+    }
+
+    /* Ponte et couvage : poules uniquement */
+    const sectionPeriodes = document.getElementById("sectionPeriodes");
+
+    if (animal.type === "poule")
+    {
+        sectionPeriodes.hidden = false;
+        afficherPeriodes();
+    }
+    else
+    {
+        sectionPeriodes.hidden = true;
+    }
+}
+
+function htmlTableauPeriodes(periodes, typePeriode)
+{
+    if (periodes.length === 0)
+    {
+        return "<p class=\"message-vide\">Aucune période enregistrée.</p>";
+    }
+
+    let lignes = periodes.map(function (periode)
+    {
+        const enCours = !periode.dateFin;
+        const statut = enCours ? "<span class=\"badge\">En cours</span>" : "";
+        let boutonCloture = "";
+
+        if (enCours && animalCourant.actif)
+        {
+            boutonCloture =
+                "<button type=\"button\" class=\"secondaire\" data-cloturer=\"" +
+                typePeriode + "\" data-id=\"" + periode.id + "\">Clôturer</button>";
+        }
+
+        return (
+            "<tr>" +
+                "<td>" + periode.dateDebut + "</td>" +
+                "<td>" + (periode.dateFin || "—") + " " + statut + "</td>" +
+                "<td>" + (periode.remarque || "—") + "</td>" +
+                "<td>" + boutonCloture + "</td>" +
+            "</tr>"
+        );
+    }).join("");
+
+    return (
+        "<table class=\"tableau-periodes\">" +
+            "<thead><tr><th>Début</th><th>Fin</th><th>Remarque</th><th></th></tr></thead>" +
+            "<tbody>" + lignes + "</tbody>" +
+        "</table>"
+    );
+}
+
+function afficherPeriodes()
+{
+    document.getElementById("listePonte").innerHTML = htmlTableauPeriodes(periodesPonte, "ponte");
+    document.getElementById("listeCouvage").innerHTML = htmlTableauPeriodes(periodesCouvage, "couvage");
+
+    document.querySelectorAll("[data-cloturer]").forEach(function (bouton)
+    {
+        bouton.addEventListener("click", async function ()
+        {
+            const type = bouton.getAttribute("data-cloturer");
+            const id = bouton.getAttribute("data-id");
+            const aujourdHui = new Date().toISOString().slice(0, 10);
+            const url = type === "ponte"
+                ? "/api/periodes-ponte/" + id
+                : "/api/periodes-couvage/" + id;
+
+            await appelerApi(url, {
+                method: "PUT",
+                headers: { "Content-Type": "application/json" },
+                body: JSON.stringify({ dateFin: aujourdHui })
+            });
+
+            await chargerFiche();
+        });
+    });
+}
+
+function ouvrirModification()
+{
+    document.getElementById("animalId").value = animalCourant.id;
+    document.getElementById("type").value = animalCourant.type;
+    document.getElementById("couleurBague").value = animalCourant.couleurBague || "";
+    document.getElementById("numeroBague").value = animalCourant.numeroBague || "";
+    document.getElementById("dateNaissance").value = animalCourant.dateNaissance || "";
+    document.getElementById("etatSante").value = animalCourant.etatSante || "bon";
+    document.getElementById("photo").value = "";
+    document.getElementById("erreurAnimal").hidden = true;
+    document.getElementById("dialogueAnimal").showModal();
+}
+
+function ouvrirDeces()
+{
+    document.getElementById("dateFinDeVie").value = new Date().toISOString().slice(0, 10);
+    document.getElementById("dialogueDeces").showModal();
+}
+
+function ouvrirPeriode(type)
+{
+    document.getElementById("typePeriode").value = type;
+    document.getElementById("titrePeriode").textContent =
+        type === "ponte" ? "Nouvelle période de ponte" : "Nouvelle période de couvage";
+    document.getElementById("formPeriode").reset();
+    document.getElementById("typePeriode").value = type;
+    document.getElementById("dateDebut").value = new Date().toISOString().slice(0, 10);
+    document.getElementById("erreurPeriode").hidden = true;
+    document.getElementById("dialoguePeriode").showModal();
+}
+
+async function chargerFiche()
+{
+    const id = recupererIdDepuisUrl();
+
+    if (!id)
+    {
+        window.location.href = "/";
+        return;
+    }
+
+    const donnees = await appelerApi("/api/animaux/" + id);
+
+    if (!donnees)
+    {
+        return;
+    }
+
+    animalCourant = donnees.animal;
+    periodesPonte = donnees.periodesPonte;
+    periodesCouvage = donnees.periodesCouvage;
+    afficherFiche();
+}
+
+document.getElementById("annulerAnimal").addEventListener("click", function ()
+{
+    document.getElementById("dialogueAnimal").close();
+});
+
+document.getElementById("annulerDeces").addEventListener("click", function ()
+{
+    document.getElementById("dialogueDeces").close();
+});
+
+document.getElementById("annulerPeriode").addEventListener("click", function ()
+{
+    document.getElementById("dialoguePeriode").close();
+});
+
+document.getElementById("boutonAjouterPonte").addEventListener("click", function ()
+{
+    ouvrirPeriode("ponte");
+});
+
+document.getElementById("boutonAjouterCouvage").addEventListener("click", function ()
+{
+    ouvrirPeriode("couvage");
+});
+
+document.getElementById("formAnimal").addEventListener("submit", async function (event)
+{
+    event.preventDefault();
+
+    const erreurAnimal = document.getElementById("erreurAnimal");
+    erreurAnimal.hidden = true;
+
+    const formData = new FormData();
+    formData.append("type", document.getElementById("type").value);
+    formData.append("couleurBague", document.getElementById("couleurBague").value);
+    formData.append("numeroBague", document.getElementById("numeroBague").value);
+    formData.append("dateNaissance", document.getElementById("dateNaissance").value);
+    formData.append("etatSante", document.getElementById("etatSante").value);
+
+    const photo = document.getElementById("photo").files[0];
+    if (photo)
+    {
+        formData.append("photo", photo);
+    }
+
+    try
+    {
+        await appelerApi("/api/animaux/" + animalCourant.id, {
+            method: "PUT",
+            body: formData
+        });
+
+        document.getElementById("dialogueAnimal").close();
+        await chargerFiche();
+    }
+    catch (erreur)
+    {
+        erreurAnimal.textContent = erreur.message;
+        erreurAnimal.hidden = false;
+    }
+});
+
+document.getElementById("formDeces").addEventListener("submit", async function (event)
+{
+    event.preventDefault();
+
+    await appelerApi("/api/animaux/" + animalCourant.id + "/deces", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({
+            dateFinDeVie: document.getElementById("dateFinDeVie").value
+        })
+    });
+
+    document.getElementById("dialogueDeces").close();
+    window.location.href = "/archives.html";
+});
+
+document.getElementById("formPeriode").addEventListener("submit", async function (event)
+{
+    event.preventDefault();
+
+    const erreurPeriode = document.getElementById("erreurPeriode");
+    erreurPeriode.hidden = true;
+
+    const type = document.getElementById("typePeriode").value;
+    const url = type === "ponte" ? "/api/periodes-ponte" : "/api/periodes-couvage";
+    const dateFin = document.getElementById("dateFin").value || null;
+
+    try
+    {
+        await appelerApi(url, {
+            method: "POST",
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify({
+                idAnimal: animalCourant.id,
+                dateDebut: document.getElementById("dateDebut").value,
+                dateFin: dateFin,
+                remarque: document.getElementById("remarque").value
+            })
+        });
+
+        document.getElementById("dialoguePeriode").close();
+        await chargerFiche();
+    }
+    catch (erreur)
+    {
+        erreurPeriode.textContent = erreur.message;
+        erreurPeriode.hidden = false;
+    }
+});
+
+async function demarrer()
+{
+    const utilisateur = await verifierSession();
+
+    if (!utilisateur)
+    {
+        return;
+    }
+
+    brancherDeconnexion();
+    await chargerFiche();
+}
+
+demarrer();
diff --git a/server.js b/server.js
new file mode 100644
index 0000000..67c4b31
--- /dev/null
+++ b/server.js
@@ -0,0 +1,583 @@
+const path = require("path");
+const express = require("express");
+const session = require("express-session");
+const bcrypt = require("bcryptjs");
+const multer = require("multer");
+const { lireJson, ecrireJson, genererId } = require("./lib/donnees");
+
+const app = express();
+const port = process.env.PORT || 3000;
+
+/* ---------- Configuration ---------- */
+
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+app.use(express.static(path.join(__dirname, "public")));
+app.use("/uploads", express.static(path.join(__dirname, "uploads")));
+
+app.use(session({
+    secret: "mon-poulailler-secret-local",
+    resave: false,
+    saveUninitialized: false,
+    cookie: { maxAge: 24 * 60 * 60 * 1000 }
+}));
+
+/* Stockage des photos uploadées */
+const stockage = multer.diskStorage({
+    destination: function (req, file, callback)
+    {
+        callback(null, path.join(__dirname, "uploads"));
+    },
+    filename: function (req, file, callback)
+    {
+        const extension = path.extname(file.originalname);
+        callback(null, genererId() + extension);
+    }
+});
+
+const upload = multer({
+    storage: stockage,
+    limits: { fileSize: 5 * 1024 * 1024 },
+    fileFilter: function (req, file, callback)
+    {
+        if (file.mimetype.startsWith("image/"))
+        {
+            callback(null, true);
+        }
+        else
+        {
+            callback(new Error("Seules les images sont acceptées"));
+        }
+    }
+});
+
+/* ---------- Middlewares d'accès ---------- */
+
+function exigerConnexion(req, res, next)
+{
+    if (!req.session.utilisateur)
+    {
+        return res.status(401).json({ erreur: "Vous devez être connecté" });
+    }
+
+    next();
+}
+
+function exigerAdmin(req, res, next)
+{
+    if (!req.session.utilisateur || req.session.utilisateur.profil !== "admin")
+    {
+        return res.status(403).json({ erreur: "Réservé à l'administrateur" });
+    }
+
+    next();
+}
+
+/* ---------- Authentification ---------- */
+
+app.get("/api/session", function (req, res)
+{
+    if (req.session.utilisateur)
+    {
+        return res.json({ connecte: true, utilisateur: req.session.utilisateur });
+    }
+
+    res.json({ connecte: false });
+});
+
+app.post("/api/connexion", function (req, res)
+{
+    const login = req.body.login;
+    const motDePasse = req.body.motDePasse;
+    const utilisateurs = lireJson("utilisateurs.json", []);
+
+    const utilisateur = utilisateurs.find(function (u)
+    {
+        return u.login === login;
+    });
+
+    if (!utilisateur)
+    {
+        return res.status(401).json({ erreur: "Identifiant ou mot de passe incorrect" });
+    }
+
+    const motDePasseOk = bcrypt.compareSync(motDePasse, utilisateur.motDePasseHash);
+
+    if (!motDePasseOk)
+    {
+        return res.status(401).json({ erreur: "Identifiant ou mot de passe incorrect" });
+    }
+
+    req.session.utilisateur = {
+        id: utilisateur.id,
+        login: utilisateur.login,
+        profil: utilisateur.profil
+    };
+
+    res.json({ message: "Connexion réussie", utilisateur: req.session.utilisateur });
+});
+
+app.post("/api/deconnexion", function (req, res)
+{
+    req.session.destroy(function ()
+    {
+        res.json({ message: "Déconnexion réussie" });
+    });
+});
+
+app.post("/api/utilisateurs", exigerConnexion, exigerAdmin, function (req, res)
+{
+    const login = req.body.login;
+    const motDePasse = req.body.motDePasse;
+    const profil = req.body.profil || "utilisateur";
+
+    if (!login || !motDePasse)
+    {
+        return res.status(400).json({ erreur: "Login et mot de passe obligatoires" });
+    }
+
+    if (profil !== "admin" && profil !== "utilisateur")
+    {
+        return res.status(400).json({ erreur: "Profil invalide" });
+    }
+
+    const utilisateurs = lireJson("utilisateurs.json", []);
+    const existeDeja = utilisateurs.some(function (u)
+    {
+        return u.login === login;
+    });
+
+    if (existeDeja)
+    {
+        return res.status(400).json({ erreur: "Ce login existe déjà" });
+    }
+
+    const nouvelUtilisateur = {
+        id: genererId(),
+        login: login,
+        motDePasseHash: bcrypt.hashSync(motDePasse, 10),
+        profil: profil
+    };
+
+    utilisateurs.push(nouvelUtilisateur);
+    ecrireJson("utilisateurs.json", utilisateurs);
+
+    res.status(201).json({
+        message: "Compte créé",
+        utilisateur: {
+            id: nouvelUtilisateur.id,
+            login: nouvelUtilisateur.login,
+            profil: nouvelUtilisateur.profil
+        }
+    });
+});
+
+app.get("/api/utilisateurs", exigerConnexion, exigerAdmin, function (req, res)
+{
+    const utilisateurs = lireJson("utilisateurs.json", []);
+    const liste = utilisateurs.map(function (u)
+    {
+        return { id: u.id, login: u.login, profil: u.profil };
+    });
+
+    res.json(liste);
+});
+
+/* ---------- Animaux ---------- */
+
+app.get("/api/animaux", exigerConnexion, function (req, res)
+{
+    const actifsSeulement = req.query.actifs === "oui";
+    const archivesSeulement = req.query.archives === "oui";
+    let animaux = lireJson("animaux.json", []);
+
+    if (actifsSeulement)
+    {
+        animaux = animaux.filter(function (a)
+        {
+            return a.actif === true;
+        });
+    }
+
+    if (archivesSeulement)
+    {
+        animaux = animaux.filter(function (a)
+        {
+            return a.actif === false;
+        });
+    }
+
+    res.json(animaux);
+});
+
+app.get("/api/animaux/:id", exigerConnexion, function (req, res)
+{
+    const animaux = lireJson("animaux.json", []);
+    const animal = animaux.find(function (a)
+    {
+        return a.id === req.params.id;
+    });
+
+    if (!animal)
+    {
+        return res.status(404).json({ erreur: "Animal introuvable" });
+    }
+
+    const periodesPonte = lireJson("periodesPonte.json", []).filter(function (p)
+    {
+        return p.idAnimal === animal.id;
+    });
+
+    const periodesCouvage = lireJson("periodesCouvage.json", []).filter(function (p)
+    {
+        return p.idAnimal === animal.id;
+    });
+
+    res.json({
+        animal: animal,
+        periodesPonte: periodesPonte,
+        periodesCouvage: periodesCouvage
+    });
+});
+
+app.post("/api/animaux", exigerConnexion, upload.single("photo"), function (req, res)
+{
+    const type = req.body.type;
+    const couleurBague = req.body.couleurBague || "";
+    const numeroBague = req.body.numeroBague || "";
+    const dateNaissance = req.body.dateNaissance || "";
+    const etatSante = req.body.etatSante || "bon";
+
+    if (type !== "poule" && type !== "coq")
+    {
+        return res.status(400).json({ erreur: "Le type doit être poule ou coq" });
+    }
+
+    const animaux = lireJson("animaux.json", []);
+
+    const nouvelAnimal = {
+        id: genererId(),
+        type: type,
+        photo: req.file ? "/uploads/" + req.file.filename : "",
+        couleurBague: couleurBague,
+        numeroBague: numeroBague,
+        dateNaissance: dateNaissance,
+        etatSante: etatSante,
+        dateFinDeVie: null,
+        actif: true
+    };
+
+    animaux.push(nouvelAnimal);
+    ecrireJson("animaux.json", animaux);
+
+    res.status(201).json(nouvelAnimal);
+});
+
+app.put("/api/animaux/:id", exigerConnexion, upload.single("photo"), function (req, res)
+{
+    const animaux = lireJson("animaux.json", []);
+    const index = animaux.findIndex(function (a)
+    {
+        return a.id === req.params.id;
+    });
+
+    if (index === -1)
+    {
+        return res.status(404).json({ erreur: "Animal introuvable" });
+    }
+
+    const animal = animaux[index];
+
+    if (req.body.type === "poule" || req.body.type === "coq")
+    {
+        animal.type = req.body.type;
+    }
+
+    if (req.body.couleurBague !== undefined)
+    {
+        animal.couleurBague = req.body.couleurBague;
+    }
+
+    if (req.body.numeroBague !== undefined)
+    {
+        animal.numeroBague = req.body.numeroBague;
+    }
+
+    if (req.body.dateNaissance !== undefined)
+    {
+        animal.dateNaissance = req.body.dateNaissance;
+    }
+
+    if (req.body.etatSante !== undefined)
+    {
+        animal.etatSante = req.body.etatSante;
+    }
+
+    if (req.file)
+    {
+        animal.photo = "/uploads/" + req.file.filename;
+    }
+
+    animaux[index] = animal;
+    ecrireJson("animaux.json", animaux);
+
+    res.json(animal);
+});
+
+app.post("/api/animaux/:id/deces", exigerConnexion, function (req, res)
+{
+    const animaux = lireJson("animaux.json", []);
+    const index = animaux.findIndex(function (a)
+    {
+        return a.id === req.params.id;
+    });
+
+    if (index === -1)
+    {
+        return res.status(404).json({ erreur: "Animal introuvable" });
+    }
+
+    const animal = animaux[index];
+    animal.actif = false;
+    animal.dateFinDeVie = req.body.dateFinDeVie || new Date().toISOString().slice(0, 10);
+
+    /* Clôturer les périodes en cours */
+    const periodesPonte = lireJson("periodesPonte.json", []);
+    periodesPonte.forEach(function (periode)
+    {
+        if (periode.idAnimal === animal.id && !periode.dateFin)
+        {
+            periode.dateFin = animal.dateFinDeVie;
+        }
+    });
+    ecrireJson("periodesPonte.json", periodesPonte);
+
+    const periodesCouvage = lireJson("periodesCouvage.json", []);
+    periodesCouvage.forEach(function (periode)
+    {
+        if (periode.idAnimal === animal.id && !periode.dateFin)
+        {
+            periode.dateFin = animal.dateFinDeVie;
+        }
+    });
+    ecrireJson("periodesCouvage.json", periodesCouvage);
+
+    animaux[index] = animal;
+    ecrireJson("animaux.json", animaux);
+
+    res.json(animal);
+});
+
+/* ---------- Périodes de ponte ---------- */
+
+app.post("/api/periodes-ponte", exigerConnexion, function (req, res)
+{
+    const idAnimal = req.body.idAnimal;
+    const dateDebut = req.body.dateDebut;
+    const dateFin = req.body.dateFin || null;
+    const remarque = req.body.remarque || "";
+
+    if (!idAnimal || !dateDebut)
+    {
+        return res.status(400).json({ erreur: "idAnimal et dateDebut sont obligatoires" });
+    }
+
+    const animaux = lireJson("animaux.json", []);
+    const animal = animaux.find(function (a)
+    {
+        return a.id === idAnimal;
+    });
+
+    if (!animal)
+    {
+        return res.status(404).json({ erreur: "Animal introuvable" });
+    }
+
+    if (animal.type !== "poule")
+    {
+        return res.status(400).json({ erreur: "La ponte concerne uniquement les poules" });
+    }
+
+    const periodes = lireJson("periodesPonte.json", []);
+    const nouvellePeriode = {
+        id: genererId(),
+        idAnimal: idAnimal,
+        dateDebut: dateDebut,
+        dateFin: dateFin,
+        remarque: remarque
+    };
+
+    periodes.push(nouvellePeriode);
+    ecrireJson("periodesPonte.json", periodes);
+
+    res.status(201).json(nouvellePeriode);
+});
+
+app.put("/api/periodes-ponte/:id", exigerConnexion, function (req, res)
+{
+    const periodes = lireJson("periodesPonte.json", []);
+    const index = periodes.findIndex(function (p)
+    {
+        return p.id === req.params.id;
+    });
+
+    if (index === -1)
+    {
+        return res.status(404).json({ erreur: "Période introuvable" });
+    }
+
+    if (req.body.dateDebut !== undefined)
+    {
+        periodes[index].dateDebut = req.body.dateDebut;
+    }
+
+    if (req.body.dateFin !== undefined)
+    {
+        periodes[index].dateFin = req.body.dateFin || null;
+    }
+
+    if (req.body.remarque !== undefined)
+    {
+        periodes[index].remarque = req.body.remarque;
+    }
+
+    ecrireJson("periodesPonte.json", periodes);
+    res.json(periodes[index]);
+});
+
+/* ---------- Périodes de couvage ---------- */
+
+app.post("/api/periodes-couvage", exigerConnexion, function (req, res)
+{
+    const idAnimal = req.body.idAnimal;
+    const dateDebut = req.body.dateDebut;
+    const dateFin = req.body.dateFin || null;
+    const remarque = req.body.remarque || "";
+
+    if (!idAnimal || !dateDebut)
+    {
+        return res.status(400).json({ erreur: "idAnimal et dateDebut sont obligatoires" });
+    }
+
+    const animaux = lireJson("animaux.json", []);
+    const animal = animaux.find(function (a)
+    {
+        return a.id === idAnimal;
+    });
+
+    if (!animal)
+    {
+        return res.status(404).json({ erreur: "Animal introuvable" });
+    }
+
+    if (animal.type !== "poule")
+    {
+        return res.status(400).json({ erreur: "Le couvage concerne uniquement les poules" });
+    }
+
+    const periodes = lireJson("periodesCouvage.json", []);
+    const nouvellePeriode = {
+        id: genererId(),
+        idAnimal: idAnimal,
+        dateDebut: dateDebut,
+        dateFin: dateFin,
+        remarque: remarque
+    };
+
+    periodes.push(nouvellePeriode);
+    ecrireJson("periodesCouvage.json", periodes);
+
+    res.status(201).json(nouvellePeriode);
+});
+
+app.put("/api/periodes-couvage/:id", exigerConnexion, function (req, res)
+{
+    const periodes = lireJson("periodesCouvage.json", []);
+    const index = periodes.findIndex(function (p)
+    {
+        return p.id === req.params.id;
+    });
+
+    if (index === -1)
+    {
+        return res.status(404).json({ erreur: "Période introuvable" });
+    }
+
+    if (req.body.dateDebut !== undefined)
+    {
+        periodes[index].dateDebut = req.body.dateDebut;
+    }
+
+    if (req.body.dateFin !== undefined)
+    {
+        periodes[index].dateFin = req.body.dateFin || null;
+    }
+
+    if (req.body.remarque !== undefined)
+    {
+        periodes[index].remarque = req.body.remarque;
+    }
+
+    ecrireJson("periodesCouvage.json", periodes);
+    res.json(periodes[index]);
+});
+
+/* ---------- Statistiques ---------- */
+
+app.get("/api/statistiques", exigerConnexion, function (req, res)
+{
+    const animaux = lireJson("animaux.json", []);
+    const actifs = animaux.filter(function (a)
+    {
+        return a.actif === true;
+    });
+
+    const poulesActives = actifs.filter(function (a)
+    {
+        return a.type === "poule";
+    });
+
+    const coqsActifs = actifs.filter(function (a)
+    {
+        return a.type === "coq";
+    });
+
+    const periodesPonte = lireJson("periodesPonte.json", []);
+    const periodesCouvage = lireJson("periodesCouvage.json", []);
+
+    const idsPoules = poulesActives.map(function (p)
+    {
+        return p.id;
+    });
+
+    const enPonte = idsPoules.filter(function (id)
+    {
+        return periodesPonte.some(function (periode)
+        {
+            return periode.idAnimal === id && !periode.dateFin;
+        });
+    });
+
+    const enCouvage = idsPoules.filter(function (id)
+    {
+        return periodesCouvage.some(function (periode)
+        {
+            return periode.idAnimal === id && !periode.dateFin;
+        });
+    });
+
+    res.json({
+        nombrePoulesActives: poulesActives.length,
+        nombreCoqsActifs: coqsActifs.length,
+        nombreTotalActifs: actifs.length,
+        nombreEnCouvage: enCouvage.length,
+        nombreEnPonte: enPonte.length
+    });
+});
+
+/* ---------- Démarrage ---------- */
+
+app.listen(port, function ()
+{
+    console.log("Mon Poulailler écoute sur http://localhost:" + port);
+});
diff --git a/uploads/.gitkeep b/uploads/.gitkeep
new file mode 100644
index 0000000..e69de29