diff --git a/src/modules/geoportal/components/geoportal-module.tsx b/src/modules/geoportal/components/geoportal-module.tsx
index 92ca46d..93bd1f7 100644
--- a/src/modules/geoportal/components/geoportal-module.tsx
+++ b/src/modules/geoportal/components/geoportal-module.tsx
@@ -93,7 +93,7 @@ export function GeoportalModule() {
   }, []);
 
   return (
-    <div className="relative h-full w-full">
+    <div className="absolute inset-0">
       {/* Full-bleed map */}
       <MapViewer
         ref={mapHandleRef}
diff --git a/src/shared/components/layout/app-shell.tsx b/src/shared/components/layout/app-shell.tsx
index fbb68f8..305d2eb 100644
--- a/src/shared/components/layout/app-shell.tsx
+++ b/src/shared/components/layout/app-shell.tsx
@@ -61,7 +61,7 @@ export function AppShell({ children }: AppShellProps) {
         <main
           className={cn(
             'flex-1 overflow-y-auto',
-            isFullscreen ? 'overflow-hidden p-0' : 'p-6',
+            isFullscreen ? 'relative overflow-hidden p-0' : 'p-6',
           )}
         >
           {children}