Abmelde-Icon neben Hell/Dunkel im App-Kopf

src/app/globals.css

@@ -1060,15 +1060,28 @@ li {
   border-color: #fff;
 }
 
-.settings-bar {
+.header-actions {
   display: flex;
   align-items: center;
-  justify-content: space-between;
   gap: 0.5rem;
 }
 
-.settings-bar .app-tabs {
-  flex: 1 1 auto;
+.header-icon {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 2.5rem;
+  height: 2.5rem;
+  border-radius: 999px;
+  border: 1px solid rgba(255, 255, 255, 0.55);
+  background: transparent;
+  color: #fff;
+  cursor: pointer;
+  flex: 0 0 auto;
+}
+
+.header-icon:hover {
+  border-color: #fff;
 }
 
 .icon-button {