diff --git a/src/components/AppShell.tsx b/src/components/AppShell.tsx
index f772ec4..6b22b51 100644
--- a/src/components/AppShell.tsx
+++ b/src/components/AppShell.tsx
@@ -42,13 +42,15 @@ export function AppShell({ username }: { username: string }) {
     return data.plans;
   }, []);
 
-  const loadDetail = useCallback(async (planId: string) => {
-    setLoading(true);
+  // silent = Hintergrund-Refresh ohne Loading-Umschaltung: die PlanView bleibt montiert,
+  // damit die Scrollposition (z. B. nach dem Schliessen eines Popups) erhalten bleibt.
+  const loadDetail = useCallback(async (planId: string, silent = false) => {
+    if (!silent) setLoading(true);
     try {
       const data = await api.get<{ plan: PlanInput; computed: PlanComputed }>(`/api/plans/${planId}`);
       setDetail(data);
     } finally {
-      setLoading(false);
+      if (!silent) setLoading(false);
     }
   }, []);
 
@@ -67,7 +69,7 @@ export function AppShell({ username }: { username: string }) {
   }, [selectedPlanId, loadDetail]);
 
   function refreshCurrent() {
-    if (selectedPlanId) loadDetail(selectedPlanId);
+    if (selectedPlanId) loadDetail(selectedPlanId, true);
   }
 
   async function handleDeletePlan(id: string) {