ui fix ios

ka-note/client/src/routes/+layout.svelte

@@ -71,6 +71,18 @@
 	function closeSidebar() {
 		sidebarOpen = false;
 	}
+
+	$effect(() => {
+		if (sidebarOpen) {
+			document.body.style.overflow = 'hidden';
+			document.body.style.position = 'fixed';
+			document.body.style.width = '100%';
+		} else {
+			document.body.style.overflow = '';
+			document.body.style.position = '';
+			document.body.style.width = '';
+		}
+	});
 </script>
 
 {#if !authReady}
@@ -97,6 +109,7 @@
 			<button
 				class="fixed inset-0 z-30 bg-black/50 md:hidden"
 				onclick={closeSidebar}
+				ontouchstart={(e) => e.stopPropagation()}
 				aria-label="Close sidebar"
 			></button>
 		{/if}