diff --git a/api/assign_ticket.php b/api/assign_ticket.php
index f68d2fe..febc5f1 100644
--- a/api/assign_ticket.php
+++ b/api/assign_ticket.php
@@ -1,6 +1,6 @@
 <?php
 session_start();
-require_once dirname(__DIR__) . '/config/db.php';
+require_once dirname(__DIR__) . '/config/config.php';
 require_once dirname(__DIR__) . '/models/TicketModel.php';
 require_once dirname(__DIR__) . '/models/AuditLogModel.php';
 
diff --git a/api/bulk_operation.php b/api/bulk_operation.php
index fb1c34f..29857c8 100644
--- a/api/bulk_operation.php
+++ b/api/bulk_operation.php
@@ -1,6 +1,6 @@
 <?php
 session_start();
-require_once dirname(__DIR__) . '/config/db.php';
+require_once dirname(__DIR__) . '/config/config.php';
 require_once dirname(__DIR__) . '/models/BulkOperationsModel.php';
 require_once dirname(__DIR__) . '/models/TicketModel.php';
 require_once dirname(__DIR__) . '/models/AuditLogModel.php';
diff --git a/api/get_template.php b/api/get_template.php
index cd0da47..1457cb5 100644
--- a/api/get_template.php
+++ b/api/get_template.php
@@ -1,6 +1,6 @@
 <?php
 session_start();
-require_once dirname(__DIR__) . '/config/db.php';
+require_once dirname(__DIR__) . '/config/config.php';
 require_once dirname(__DIR__) . '/models/TemplateModel.php';
 
 header('Content-Type: application/json');
diff --git a/api/get_users.php b/api/get_users.php
index 302f45f..a5a12f6 100644
--- a/api/get_users.php
+++ b/api/get_users.php
@@ -1,6 +1,6 @@
 <?php
 session_start();
-require_once dirname(__DIR__) . '/config/db.php';
+require_once dirname(__DIR__) . '/config/config.php';
 require_once dirname(__DIR__) . '/models/UserModel.php';
 
 header('Content-Type: application/json');
diff --git a/assets/css/ticket.css b/assets/css/ticket.css
index 5018e05..bdb197b 100644
--- a/assets/css/ticket.css
+++ b/assets/css/ticket.css
@@ -571,3 +571,17 @@ body.dark-mode .status-select option {
     background-color: #2d3748;
     color: #f7fafc;
 }
+
+/* Dark mode for Activity tab and general improvements */
+body.dark-mode .tab-content {
+    color: var(--text-primary, #f7fafc);
+}
+
+body.dark-mode #activity-tab {
+    background: var(--bg-secondary, #1a202c);
+    color: var(--text-primary, #f7fafc);
+}
+
+body.dark-mode #activity-tab p {
+    color: var(--text-primary, #f7fafc);
+}