diff --git a/src/static/css/style.css b/src/static/css/style.css
index 03b3ecf..cb59058 100644
--- a/src/static/css/style.css
+++ b/src/static/css/style.css
@@ -4307,8 +4307,10 @@ select:focus-visible, textarea:focus-visible,
 }
 .map-container {
     flex: 1 1 0;
+    min-height: 0;
     position: relative;
     z-index: 1;
+    height: 100%;
 }
 /* Leaflet braucht eine absolute Hoehe - wir setzen sie per JS,
    aber als Fallback nutzen wir eine CSS-Regel */
diff --git a/src/static/js/components.js b/src/static/js/components.js
index f6b2efe..cdc7c55 100644
--- a/src/static/js/components.js
+++ b/src/static/js/components.js
@@ -698,17 +698,14 @@ const UI = {
         if (statsEl) statsEl.textContent = `${locations.length} Orte / ${totalArticles} Artikel`;
 
         // Container-Hoehe sicherstellen (Leaflet braucht px-Hoehe)
-        if (container.offsetHeight < 50) {
-            // Fallback: Hoehe aus gridstack-Item berechnen
-            const gsItem = container.closest('.grid-stack-item');
-            if (gsItem) {
-                const headerEl = container.closest('.map-card')?.querySelector('.card-header');
-                const headerH = headerEl ? headerEl.offsetHeight : 40;
-                const available = gsItem.offsetHeight - headerH - 4;
-                container.style.height = Math.max(available, 200) + 'px';
-            } else {
-                container.style.height = '300px';
-            }
+        const gsItem = container.closest('.grid-stack-item');
+        if (gsItem) {
+            const headerEl = container.closest('.map-card')?.querySelector('.card-header');
+            const headerH = headerEl ? headerEl.offsetHeight : 40;
+            const available = gsItem.offsetHeight - headerH - 4;
+            container.style.height = Math.max(available, 200) + 'px';
+        } else if (container.offsetHeight < 50) {
+            container.style.height = '300px';
         }
 
         // Karte initialisieren oder updaten