Endpoint/Controllers/V1/AuthController.cs

@@ -43,7 +43,7 @@ public class AuthController(IOptionsSnapshot<Admin> user, AuthService auth, Pass
 
         if (!userEntity.Username.Equals(request.Username, StringComparison.OrdinalIgnoreCase) &&
             !userEntity.Email.Equals(request.Username, StringComparison.OrdinalIgnoreCase))
-            return BadRequest("Invalid username/email or password");
+            return Unauthorized("Authentication failed. Please check your credentials.");
 
         var tokenResult = await auth.LoginAsync(
             GetCookieParams(),