diff --git a/auth.php b/auth.php
index 30fe7b0..9ff70e7 100644
--- a/auth.php
+++ b/auth.php
@@ -11,6 +11,7 @@
 require_once __DIR__ . '/vendor/autoload.php';
 require_once __DIR__ . '/JWTValidator.php';
 require_once __DIR__ . '/UserRoleManager.php';
+require_once __DIR__ . '/ApplicationLogger.php';
 
 $config = require __DIR__ . '/config.php';
 $action = $_GET['action'] ?? '';
@@ -41,12 +42,18 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && $action === 'login') {
         exit;
     }
 
-    // Register user role on first login
+    // Register user role on first login (auto-promotes admin_emails)
     $email = strtolower($result['claims']['preferred_username'] ?? $result['claims']['upn'] ?? '');
-    if ($email) {
-        $roleManager = new UserRoleManager();
-        $roleManager->getRole($email); // triggers auto-promotion for admin_emails
-    }
+    $name  = $result['claims']['name'] ?? $email;
+    $roleManager = new UserRoleManager();
+    $role = $email ? $roleManager->getRole($email) : 'user';
+
+    // Log every login to Activity Logs
+    $logger = new ApplicationLogger();
+    $logger->log('user_login', ['email' => $email, 'name' => $name], [
+        'role' => $role,
+        'ip'   => $_SERVER['REMOTE_ADDR'] ?? 'unknown'
+    ]);
 
     // Store the raw idToken in a secure HttpOnly cookie (24h)
     $cookieOptions = [
diff --git a/logs-viewer.php b/logs-viewer.php
index f3beea7..a421437 100644
--- a/logs-viewer.php
+++ b/logs-viewer.php
@@ -98,6 +98,7 @@ require_once __DIR__ . '/header.php';
                 <label for="actionFilter">Action Type:</label>
                 <select name="action" id="actionFilter" class="filter-select">
                     <option value="all" <?php echo $action === 'all' ? 'selected' : ''; ?>>All Actions</option>
+                    <option value="user_login" <?php echo $action === 'user_login' ? 'selected' : ''; ?>>User Login</option>
                     <option value="master_asset_submission" <?php echo $action === 'master_asset_submission' ? 'selected' : ''; ?>>Master Asset Submission</option>
                     <option value="global_to_local_transform" <?php echo $action === 'global_to_local_transform' ? 'selected' : ''; ?>>Global to Local Transform</option>
                     <option value="box_upload" <?php echo $action === 'box_upload' ? 'selected' : ''; ?>>Box Upload</option>