admin berreich, user anmeldung

app/templates/index.html

@@ -52,6 +52,27 @@
             background: #2ea043;
         }
 
+        .header-actions {
+            display: flex;
+            gap: 10px;
+            align-items: center;
+        }
+
+        .admin-button {
+            display: inline-block;
+            padding: 12px 18px;
+            border: 1px solid #30363d;
+            border-radius: 10px;
+            color: #b8c1cc;
+            text-decoration: none;
+            white-space: nowrap;
+        }
+
+        .admin-button:hover {
+            color: #ffffff;
+            border-color: #58a6ff;
+        }
+
         .concert-list {
             display: grid;
             gap: 15px;
@@ -144,12 +165,24 @@
         </div>
 
 
-        <a
-            href="/concerts/new"
-            class="new-concert-button"
-        >
-            + Konzert hinzufügen
-        </a>
+        <div class="header-actions">
+
+            {% if user.is_admin %}
+
+                <a href="/admin" class="admin-button">
+                    ⚙️ Verwaltung
+                </a>
+
+            {% endif %}
+
+            <a
+                href="/concerts/new"
+                class="new-concert-button"
+            >
+                + Konzert hinzufügen
+            </a>
+
+        </div>
 
     </header>