diff --git a/.env.development b/.env.development
index 96cb084..16ef063 100644
--- a/.env.development
+++ b/.env.development
@@ -6,6 +6,6 @@ NEXT_PUBLIC_USE_MOCK_BACKEND_LOOP_START=false
 NEXT_PUBLIC_EXPORT_STATIC=false
 NEXT_PUBLIC_USE_CGI=false
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.670
+NEXT_PUBLIC_APP_VERSION=1.6.671
 NEXT_PUBLIC_CPL_MODE=json   # json (Entwicklungsumgebung) oder jsSimulatedProd (CPL ->CGI-Interface-Simulator) oder production (CPL-> CGI-Interface Platzhalter)
 
diff --git a/.env.production b/.env.production
index c21f9c4..ad12b76 100644
--- a/.env.production
+++ b/.env.production
@@ -5,5 +5,5 @@ NEXT_PUBLIC_CPL_API_PATH=/CPL
 NEXT_PUBLIC_EXPORT_STATIC=true
 NEXT_PUBLIC_USE_CGI=true
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.670
+NEXT_PUBLIC_APP_VERSION=1.6.671
 NEXT_PUBLIC_CPL_MODE=production
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a705277..b3c4e79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## [1.6.671] – 2025-07-31
+
+- feat: hide logout button when admin is not logged in
+
+- Add conditional rendering for "Abmelden" button based on isAdminLoggedIn state
+- Button only appears when localStorage contains "isAdminLoggedIn": "true"
+- Improves UI cleanliness by hiding unnecessary logout option for regular users
+- Maintains existing admin warning banner and logout functionality when needed
+
+---
 ## [1.6.670] – 2025-07-31
 
 - feat: implement modal chart system with conditional UI and message filtering
diff --git a/components/main/settingsPageComponents/NTPSettings.tsx b/components/main/settingsPageComponents/NTPSettings.tsx
index cad67a6..f9a494c 100644
--- a/components/main/settingsPageComponents/NTPSettings.tsx
+++ b/components/main/settingsPageComponents/NTPSettings.tsx
@@ -72,11 +72,12 @@ const NTPSettings: React.FC = () => {
         </div>
 
         <div className="col-span-2 flex items-center gap-2 mt-2">
-          <label className="text-xs font-medium">NTP aktiv:</label>
+          <label className="text-xs font-medium ">NTP aktiv:</label>
           <input
             type="checkbox"
             checked={active}
             onChange={(e) => setActive(e.target.checked)}
+            className="accent-littwin-blue w-4 h-4"
           />
         </div>
 
diff --git a/package-lock.json b/package-lock.json
index 603e532..2ccd8ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.670",
+  "version": "1.6.671",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cpl-v4",
-      "version": "1.6.670",
+      "version": "1.6.671",
       "dependencies": {
         "@fontsource/roboto": "^5.1.0",
         "@headlessui/react": "^2.2.4",
diff --git a/package.json b/package.json
index 1cd2a40..a4ffd9d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.670",
+  "version": "1.6.671",
   "private": true,
   "scripts": {
     "dev": "next dev",