diff --git a/webapp/settings.php b/webapp/settings.php
index f0f2c7c..59033a8 100644
--- a/webapp/settings.php
+++ b/webapp/settings.php
@@ -575,35 +575,33 @@ require_once __DIR__ . '/includes/header.php';
 
 <?php
 // Set additional scripts to be loaded AFTER app.js
-$additionalScripts = <<<SCRIPT
-<script>
+$additionalScripts = '<script>
 // Initialize settings page
-document.addEventListener('DOMContentLoaded', function() {
-    const currentTab = '{$currentTab}';
-SCRIPT;
+document.addEventListener("DOMContentLoaded", function() {
+    const currentTab = "' . $currentTab . '";
 
     // Load data for the current tab
     switch(currentTab) {
-        case 'integrations':
+        case "integrations":
             loadAwsSettings();
             loadIpRegistrySettings();
             loadWebhookSettings();
             loadWebhookQueueStatus();
             break;
-        case 'users':
+        case "users":
             loadUsers();
             break;
-        case 'audit':
+        case "audit":
             loadAuditLog();
             break;
-        case 'advanced':
+        case "advanced":
             loadShortnames();
             loadLogosGrid();
             break;
-        case 'whitelabel':
+        case "whitelabel":
             loadWhitelabelSettings();
             break;
-        case 'developer':
+        case "developer":
             loadSystemInfo();
             loadErrorLogs();
             break;
@@ -613,45 +611,45 @@ SCRIPT;
 // User Management Functions
 async function loadUsers() {
     try {
-        const response = await fetch('api.php?action=admin_users_list', {
-            headers: { 'X-CSRF-Token': CSRF_TOKEN }
+        const response = await fetch("api.php?action=admin_users_list", {
+            headers: { "X-CSRF-Token": CSRF_TOKEN }
         });
         const data = await response.json();
 
         if (!data.success) {
-            throw new Error(data.error || 'Failed to load users');
+            throw new Error(data.error || "Failed to load users");
         }
 
-        const tbody = document.getElementById('usersTableBody');
+        const tbody = document.getElementById("usersTableBody");
         if (data.users.length === 0) {
-            tbody.innerHTML = '<tr><td colspan="6" style="text-align: center; padding: 40px; color: var(--text-tertiary);">No users found. Add a user above.</td></tr>';
+            tbody.innerHTML = \'<tr><td colspan="6" style="text-align: center; padding: 40px; color: var(--text-tertiary);">No users found. Add a user above.</td></tr>\';
             return;
         }
 
         tbody.innerHTML = data.users.map(user => `
             <tr data-user-id="${user.id}">
                 <td>${escapeHtml(user.email)}</td>
-                <td>${user.display_name ? escapeHtml(user.display_name) : '<span style="color: var(--text-tertiary);">-</span>'}</td>
+                <td>${user.display_name ? escapeHtml(user.display_name) : \'<span style="color: var(--text-tertiary);">-</span>\'}</td>
                 <td>
-                    <span class="badge ${user.role === 'admin' ? 'badge-purple' : 'badge-blue'}">
-                        ${user.role === 'admin' ? 'Admin' : 'Staff'}
+                    <span class="badge ${user.role === \'admin\' ? \'badge-purple\' : \'badge-blue\'}">
+                        ${user.role === \'admin\' ? \'Admin\' : \'Staff\'}
                     </span>
                 </td>
                 <td>
-                    <span class="badge ${user.active == 1 ? 'badge-success' : 'badge-warning'}">
-                        ${user.active == 1 ? 'Active' : 'Inactive'}
+                    <span class="badge ${user.active == 1 ? \'badge-success\' : \'badge-warning\'}">
+                        ${user.active == 1 ? \'Active\' : \'Inactive\'}
                     </span>
                 </td>
                 <td>${formatDate(user.created_at)}</td>
                 <td>
                     <div style="display: flex; gap: 8px;">
-                        <button class="btn btn-secondary btn-sm" onclick="toggleUser(${user.id})" title="${user.active == 1 ? 'Deactivate' : 'Activate'}">
+                        <button class="btn btn-secondary btn-sm" onclick="toggleUser(${user.id})" title="${user.active == 1 ? \'Deactivate\' : \'Activate\'}">
                             ${user.active == 1 ?
-                                '<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19m-6.72-1.07a3 3 0 1 1-4.24-4.24"/><line x1="1" y1="1" x2="23" y2="23"/></svg>' :
-                                '<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/><circle cx="12" cy="12" r="3"/></svg>'
+                                \'<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M17.94 17.94A10.07 10.07 0 0 1 12 20c-7 0-11-8-11-8a18.45 18.45 0 0 1 5.06-5.94M9.9 4.24A9.12 9.12 0 0 1 12 4c7 0 11 8 11 8a18.5 18.5 0 0 1-2.16 3.19m-6.72-1.07a3 3 0 1 1-4.24-4.24"/><line x1="1" y1="1" x2="23" y2="23"/></svg>\' :
+                                \'<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/><circle cx="12" cy="12" r="3"/></svg>\'
                             }
                         </button>
-                        <button class="btn btn-danger btn-sm" onclick="deleteUser(${user.id}, '${escapeHtml(user.email)}')" title="Delete">
+                        <button class="btn btn-danger btn-sm" onclick="deleteUser(${user.id}, \'${escapeHtml(user.email)}\')" title="Delete">
                             <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                 <polyline points="3 6 5 6 21 6"/>
                                 <path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/>
@@ -660,29 +658,29 @@ async function loadUsers() {
                     </div>
                 </td>
             </tr>
-        `).join('');
+        `).join(\'\');
     } catch (error) {
-        console.error('Error loading users:', error);
-        showNotification('Failed to load users: ' + error.message, 'error');
+        console.error("Error loading users:", error);
+        showNotification("Failed to load users: " + error.message, "error");
     }
 }
 
 async function addUser() {
-    const email = document.getElementById('newUserEmail').value.trim();
-    const displayName = document.getElementById('newUserDisplayName').value.trim();
-    const role = document.getElementById('newUserRole').value;
+    const email = document.getElementById("newUserEmail").value.trim();
+    const displayName = document.getElementById("newUserDisplayName").value.trim();
+    const role = document.getElementById("newUserRole").value;
 
     if (!email) {
-        showNotification('Please enter an email address', 'error');
+        showNotification("Please enter an email address", "error");
         return;
     }
 
     try {
-        const response = await fetch('api.php?action=admin_user_save', {
-            method: 'POST',
+        const response = await fetch("api.php?action=admin_user_save", {
+            method: "POST",
             headers: {
-                'Content-Type': 'application/json',
-                'X-CSRF-Token': CSRF_TOKEN
+                "Content-Type": "application/json",
+                "X-CSRF-Token": CSRF_TOKEN
             },
             body: JSON.stringify({
                 email: email,
@@ -694,27 +692,27 @@ async function addUser() {
         const data = await response.json();
 
         if (!data.success) {
-            throw new Error(data.error || 'Failed to add user');
+            throw new Error(data.error || "Failed to add user");
         }
 
-        showNotification('User added successfully', 'success');
-        document.getElementById('newUserEmail').value = '';
-        document.getElementById('newUserDisplayName').value = '';
-        document.getElementById('newUserRole').value = 'staff';
+        showNotification("User added successfully", "success");
+        document.getElementById("newUserEmail").value = "";
+        document.getElementById("newUserDisplayName").value = "";
+        document.getElementById("newUserRole").value = "staff";
         loadUsers();
     } catch (error) {
-        console.error('Error adding user:', error);
-        showNotification('Failed to add user: ' + error.message, 'error');
+        console.error("Error adding user:", error);
+        showNotification("Failed to add user: " + error.message, "error");
     }
 }
 
 async function toggleUser(userId) {
     try {
-        const response = await fetch('api.php?action=admin_user_toggle', {
-            method: 'POST',
+        const response = await fetch("api.php?action=admin_user_toggle", {
+            method: "POST",
             headers: {
-                'Content-Type': 'application/json',
-                'X-CSRF-Token': CSRF_TOKEN
+                "Content-Type": "application/json",
+                "X-CSRF-Token": CSRF_TOKEN
             },
             body: JSON.stringify({ id: userId })
         });
@@ -722,28 +720,28 @@ async function toggleUser(userId) {
         const data = await response.json();
 
         if (!data.success) {
-            throw new Error(data.error || 'Failed to toggle user status');
+            throw new Error(data.error || "Failed to toggle user status");
         }
 
-        showNotification('User status updated', 'success');
+        showNotification("User status updated", "success");
         loadUsers();
     } catch (error) {
-        console.error('Error toggling user:', error);
-        showNotification('Failed to toggle user: ' + error.message, 'error');
+        console.error("Error toggling user:", error);
+        showNotification("Failed to toggle user: " + error.message, "error");
     }
 }
 
 async function deleteUser(userId, email) {
-    if (!confirm(`Are you sure you want to delete the user "${email}"? This action cannot be undone.`)) {
+    if (!confirm("Are you sure you want to delete the user \"" + email + "\"? This action cannot be undone.")) {
         return;
     }
 
     try {
-        const response = await fetch('api.php?action=admin_user_delete', {
-            method: 'POST',
+        const response = await fetch("api.php?action=admin_user_delete", {
+            method: "POST",
             headers: {
-                'Content-Type': 'application/json',
-                'X-CSRF-Token': CSRF_TOKEN
+                "Content-Type": "application/json",
+                "X-CSRF-Token": CSRF_TOKEN
             },
             body: JSON.stringify({ id: userId })
         });
@@ -751,38 +749,37 @@ async function deleteUser(userId, email) {
         const data = await response.json();
 
         if (!data.success) {
-            throw new Error(data.error || 'Failed to delete user');
+            throw new Error(data.error || "Failed to delete user");
         }
 
-        showNotification('User deleted successfully', 'success');
+        showNotification("User deleted successfully", "success");
         loadUsers();
     } catch (error) {
-        console.error('Error deleting user:', error);
-        showNotification('Failed to delete user: ' + error.message, 'error');
+        console.error("Error deleting user:", error);
+        showNotification("Failed to delete user: " + error.message, "error");
     }
 }
 
 function escapeHtml(text) {
-    if (!text) return '';
-    const div = document.createElement('div');
+    if (!text) return "";
+    const div = document.createElement("div");
     div.textContent = text;
     return div.innerHTML;
 }
 
 function formatDate(dateStr) {
-    if (!dateStr) return '-';
+    if (!dateStr) return "-";
     const date = new Date(dateStr);
-    return date.toLocaleDateString('en-GB', {
-        day: '2-digit',
-        month: 'short',
-        year: 'numeric',
-        hour: '2-digit',
-        minute: '2-digit'
+    return date.toLocaleDateString("en-GB", {
+        day: "2-digit",
+        month: "short",
+        year: "numeric",
+        hour: "2-digit",
+        minute: "2-digit"
     });
 }
-</script>
+</script>';
 
-<?php
 // Include footer
 require_once __DIR__ . '/includes/footer.php';
 ?>