diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index def4308..ca3f73d 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -1,11 +1,11 @@
 <script setup lang="ts">
-import { RouterLink, RouterView } from 'vue-router'
+import { ref } from 'vue'
 import HeaderNav from './components/HeaderNav.vue'
 import SideBar from './components/SideBar.vue'
 import { BoltIcon } from 'lucide-vue-next'
 
-const isTeacher = true
-const isLoggedIn = true
+const isTeacher = ref(true)
+const isLoggedIn = ref(true)
 </script>
 
 <template>
@@ -19,7 +19,7 @@ const isLoggedIn = true
       </HeaderNav>
     </header>
   </div>
-  <SideBar />
+  <SideBar :isLoggedIn="isLoggedIn" :isTeacher="isTeacher" />
   <div>
     <RouterView />
   </div>
diff --git a/frontend/src/components/HeaderNav.vue b/frontend/src/components/HeaderNav.vue
index 1c85d0d..3e4496d 100644
--- a/frontend/src/components/HeaderNav.vue
+++ b/frontend/src/components/HeaderNav.vue
@@ -1,26 +1,31 @@
+<script setup lang="ts">
+import { LogInIcon, LogOutIcon, BoltIcon } from 'lucide-vue-next'
+
+defineProps<{
+  isLoggedIn: boolean
+  isTeacher: boolean
+}>()
+</script>
+
 <template>
   <nav class="header-container">
     <div class="left-icon">
+      <!-- Platzhalter für ein Icon -->
       <slot name="left-icon"></slot>
     </div>
     <div class="nav-items">
-      <button
-        v-if="!isLoggedIn"
-        class="nav-button"
-      >
+      <button v-if="!isLoggedIn" class="nav-button">
         <component :is="LogInIcon" class="icon" />
         Login
       </button>
-      <template v-if="isLoggedIn">
+
+      <template v-else>
         <button class="nav-button">
           <component :is="LogOutIcon" class="icon" />
           Logout
         </button>
 
-        <button
-          v-if="isTeacher"
-          class="nav-button"
-        >
+        <button v-if="isTeacher" class="nav-button">
           <component :is="BoltIcon" class="icon" />
           Lehrerverwaltung
         </button>
@@ -29,35 +34,17 @@
   </nav>
 </template>
 
-<script setup lang="ts">
-import { LogInIcon, LogOutIcon, BoltIcon } from 'lucide-vue-next';
-
-defineProps<{
-  isLoggedIn: boolean;
-  isTeacher: boolean;
-}>();
-</script>
-
 <style scoped>
 .header-container {
   display: flex;
   justify-content: space-between;
   align-items: center;
   padding: 1rem;
-  width: 100%; 
-  box-sizing: border-box; 
-}
-
-.left-icon {
-  display: flex;
-  align-items: center;
 }
 
 .nav-items {
   display: flex;
   gap: 1rem;
-  align-items: center;
-  margin-left: auto; 
 }
 
 .nav-button {
@@ -68,7 +55,6 @@ defineProps<{
   border: none;
   cursor: pointer;
   font-weight: bold;
-  color: white;
 }
 
 .icon {
diff --git a/frontend/src/components/SideBar.vue b/frontend/src/components/SideBar.vue
index 5bab416..5c3731f 100644
--- a/frontend/src/components/SideBar.vue
+++ b/frontend/src/components/SideBar.vue
@@ -2,6 +2,11 @@
 import Drawer from 'primevue/drawer'
 import { ref } from 'vue'
 
+defineProps<{
+  isLoggedIn: boolean
+  isTeacher: boolean
+}>()
+
 var elements = [
   { name: 'Max', id: 25 },
   { name: 'Anna', id: 30 },
@@ -9,9 +14,9 @@ var elements = [
 ]
 var visible = ref(true)
 var closeIcon = ref(false)
-var counter = ref(0)
+var counter = ref(null)
 
-function doShit(input: Number) {}
+function setClass(input: Number) {}
 </script>
 
 <template>
@@ -22,12 +27,22 @@ function doShit(input: Number) {}
     :dismissable="false"
     v-on:hide="visible = true"
     header="Sidebar"
+    v-if="isLoggedIn"
   >
-    <div>
-      <p>{{ counter }}</p>
+    <div v-if="isTeacher">
       <ul>
         <li v-for="item in elements">
-          <a href="/about" @click="doShit(item.id)">{{ item.name }}</a>
+          <a href="/about" @click="setClass(item.id)">{{ item.name }}</a>
+        </li>
+      </ul>
+    </div>
+    <div v-else>
+      <ul>
+        <li>
+          <a href="/about">Offene/Abgegebene Evaluaionsbögen</a>
+        </li>
+        <li>
+          <a href="/about">Notenübersicht</a>
         </li>
       </ul>
     </div>