diff --git a/frontend/src/lib/components/ContextSheet.svelte b/frontend/src/lib/components/ContextSheet.svelte
index 97e7acf..07562ae 100644
--- a/frontend/src/lib/components/ContextSheet.svelte
+++ b/frontend/src/lib/components/ContextSheet.svelte
@@ -103,8 +103,10 @@
 	class:translate-y-full={!open}
 	class:translate-y-0={open}
 	style="padding-bottom: env(safe-area-inset-bottom)"
-	role="dialog"
-	aria-modal="true"
+	role={open ? 'dialog' : undefined}
+	aria-modal={open ? 'true' : undefined}
+	aria-hidden={!open}
+	inert={!open}
 	tabindex="-1"
 >
 	<div class="flex justify-center pt-3 pb-1">
diff --git a/frontend/src/lib/components/UploadSheet.svelte b/frontend/src/lib/components/UploadSheet.svelte
index bfd9a8c..9a216be 100644
--- a/frontend/src/lib/components/UploadSheet.svelte
+++ b/frontend/src/lib/components/UploadSheet.svelte
@@ -136,9 +136,11 @@
 	class:translate-y-full={!open}
 	class:translate-y-0={open}
 	style="padding-bottom: env(safe-area-inset-bottom)"
-	role="dialog"
-	aria-modal="true"
+	role={open ? 'dialog' : undefined}
+	aria-modal={open ? 'true' : undefined}
 	aria-label="Hochladen"
+	aria-hidden={!open}
+	inert={!open}
 	tabindex="-1"
 >
 	<!-- Drag handle -->