resolve issues with new features

frontend/src/pages/Veranstaltungen.tsx

@@ -51,6 +51,7 @@ import {
   Delete as DeleteIcon,
 } from '@mui/icons-material';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
+import { useLayout } from '../contexts/LayoutContext';
 import { toGermanDate, toGermanDateTime, fromGermanDate, fromGermanDateTime } from '../utils/dateInput';
 import { useAuth } from '../contexts/AuthContext';
 import { useNotification } from '../contexts/NotificationContext';
@@ -1004,6 +1005,7 @@ function EventListView({ events, canWrite, onEdit, onCancel, onDelete }: ListVie
 
 export default function Veranstaltungen() {
   const { user } = useAuth();
+  const { chatPanelOpen } = useLayout();
   const notification = useNotification();
   const theme = useTheme();
   const isMobile = useMediaQuery(theme.breakpoints.down('sm'));
@@ -1317,7 +1319,7 @@ export default function Veranstaltungen() {
           <Fab
             color="primary"
             aria-label="Veranstaltung erstellen"
-            sx={{ position: 'fixed', bottom: 32, right: 32 }}
+            sx={{ position: 'fixed', bottom: 32, right: chatPanelOpen ? 376 : 80, transition: 'right 225ms cubic-bezier(0.4, 0, 0.6, 1)' }}
             onClick={() => { setEditingEvent(null); setFormOpen(true); }}
           >
             <Add />