diff --git a/.manus/db/db-query-1774010427110.json b/.manus/db/db-query-1774010427110.json
new file mode 100644
index 0000000..7a66d35
--- /dev/null
+++ b/.manus/db/db-query-1774010427110.json
@@ -0,0 +1,9 @@
+{
+  "query": "INSERT INTO local_users (email, passwordHash, name, role, isActive, createdAt, updatedAt)\nVALUES (\n  'adminItinova',\n  '$2b$12$BFswq4nzwOXHx1CHW2QIq.qSlfYgJD1iPC07Wx6Bi8V8pKJyK6BBq',\n  'Admin Itinova',\n  'admin',\n  1,\n  NOW(),\n  NOW()\n);",
+  "command": "mysql --batch --raw --column-names --default-character-set=utf8mb4 --host gateway02.us-east-1.prod.aws.tidbcloud.com --port 4000 --user 4CrrYuB5tme73Qo.63b125a8f9ca --database VepzDyqR8YkJNcqpZ729Bw --execute INSERT INTO local_users (email, passwordHash, name, role, isActive, createdAt, updatedAt)\nVALUES (\n  'adminItinova',\n  '$2b$12$BFswq4nzwOXHx1CHW2QIq.qSlfYgJD1iPC07Wx6Bi8V8pKJyK6BBq',\n  'Admin Itinova',\n  'admin',\n  1,\n  NOW(),\n  NOW()\n);",
+  "rows": [],
+  "messages": [],
+  "stdout": "",
+  "stderr": "",
+  "execution_time_ms": 529
+}
\ No newline at end of file
diff --git a/.manus/db/db-query-1774010431849.json b/.manus/db/db-query-1774010431849.json
new file mode 100644
index 0000000..ee0f3ea
--- /dev/null
+++ b/.manus/db/db-query-1774010431849.json
@@ -0,0 +1,17 @@
+{
+  "query": "SELECT id, email, name, role, isActive FROM local_users WHERE email = 'adminItinova';",
+  "command": "mysql --batch --raw --column-names --default-character-set=utf8mb4 --host gateway02.us-east-1.prod.aws.tidbcloud.com --port 4000 --user 4CrrYuB5tme73Qo.63b125a8f9ca --database VepzDyqR8YkJNcqpZ729Bw --execute SELECT id, email, name, role, isActive FROM local_users WHERE email = 'adminItinova';",
+  "rows": [
+    {
+      "id": "60001",
+      "email": "adminItinova",
+      "name": "Admin Itinova",
+      "role": "admin",
+      "isActive": "1"
+    }
+  ],
+  "messages": [],
+  "stdout": "id\temail\tname\trole\tisActive\n60001\tadminItinova\tAdmin Itinova\tadmin\t1\n",
+  "stderr": "",
+  "execution_time_ms": 53
+}
\ No newline at end of file
diff --git a/client/src/pages/Login.tsx b/client/src/pages/Login.tsx
index 85c1f89..550897f 100644
--- a/client/src/pages/Login.tsx
+++ b/client/src/pages/Login.tsx
@@ -62,11 +62,11 @@ export default function Login() {
           <CardContent>
             <form onSubmit={handleSubmit} className="space-y-4">
               <div className="space-y-2">
-                <Label htmlFor="email">Adresse e-mail</Label>
+                <Label htmlFor="email">Identifiant ou e-mail</Label>
                 <Input
                   id="email"
-                  type="email"
-                  placeholder="votre@email.fr"
+                  type="text"
+                  placeholder="Identifiant ou e-mail"
                   value={email}
                   onChange={(e) => setEmail(e.target.value)}
                   autoComplete="email"
diff --git a/server/localAuth.ts b/server/localAuth.ts
index 3badf70..d348db7 100644
--- a/server/localAuth.ts
+++ b/server/localAuth.ts
@@ -1,7 +1,7 @@
 import bcrypt from "bcryptjs";
 import { getDb } from "./db";
 import { localUsers } from "../drizzle/schema";
-import { eq } from "drizzle-orm";
+import { eq, or } from "drizzle-orm";
 import { SignJWT, jwtVerify } from "jose";
 import { ENV } from "./_core/env";
 
@@ -41,10 +41,17 @@ export async function loginLocalUser(email: string, password: string) {
   const db = await getDb();
   if (!db) throw new Error("Base de données indisponible");
 
+  // Recherche par e-mail (insensible à la casse) OU par identifiant exact
+  const identifier = email.trim();
   const users = await db
     .select()
     .from(localUsers)
-    .where(eq(localUsers.email, email.toLowerCase().trim()))
+    .where(
+      or(
+        eq(localUsers.email, identifier.toLowerCase()),
+        eq(localUsers.email, identifier)
+      )
+    )
     .limit(1);
 
   const user = users[0];
diff --git a/todo.md b/todo.md
index d5d3e04..e93647e 100644
--- a/todo.md
+++ b/todo.md
@@ -44,3 +44,4 @@
 - [x] Vignettes AAP : coloriser les étiquettes Région (violet) et Date (orange)
 - [x] Vignettes Veille : coloriser les étiquettes Niveau (violet), Territoire (teal) et Date (orange)
 - [x] Page Login : supprimer l'encart affichant les identifiants du compte par défaut
+- [x] Login : accepter un identifiant (e-mail ou nom d'utilisateur) au lieu d'un e-mail obligatoire