diff --git a/src/app/globals.css b/src/app/globals.css
index 0bc4b5c..21869c4 100644
--- a/src/app/globals.css
+++ b/src/app/globals.css
@@ -17,6 +17,7 @@
 
 html {
   scroll-behavior: smooth;
+  scrollbar-gutter: stable;
 }
 
 body {
diff --git a/src/components/ui/NewsModal.tsx b/src/components/ui/NewsModal.tsx
index 87e23b2..792948a 100644
--- a/src/components/ui/NewsModal.tsx
+++ b/src/components/ui/NewsModal.tsx
@@ -40,15 +40,9 @@ export function NewsModal({ item, onClose }: NewsModalProps) {
   }, [item, onClose]);
 
   useEffect(() => {
-    if (item) {
-      const scrollbarWidth = window.innerWidth - document.documentElement.clientWidth;
-      document.body.style.overflow = "hidden";
-      document.body.style.paddingRight = `${scrollbarWidth}px`;
-    } else {
-      document.body.style.overflow = "";
-      document.body.style.paddingRight = "";
-    }
-    return () => { document.body.style.overflow = ""; document.body.style.paddingRight = ""; };
+    if (item) document.body.style.overflow = "hidden";
+    else document.body.style.overflow = "";
+    return () => { document.body.style.overflow = ""; };
   }, [item]);
 
   if (!item) return null;
diff --git a/src/components/ui/SignupModal.tsx b/src/components/ui/SignupModal.tsx
index 68e1df3..3957496 100644
--- a/src/components/ui/SignupModal.tsx
+++ b/src/components/ui/SignupModal.tsx
@@ -74,15 +74,9 @@ export function SignupModal({
   }, [open, onClose]);
 
   useEffect(() => {
-    if (open) {
-      const scrollbarWidth = window.innerWidth - document.documentElement.clientWidth;
-      document.body.style.overflow = "hidden";
-      document.body.style.paddingRight = `${scrollbarWidth}px`;
-    } else {
-      document.body.style.overflow = "";
-      document.body.style.paddingRight = "";
-    }
-    return () => { document.body.style.overflow = ""; document.body.style.paddingRight = ""; };
+    if (open) document.body.style.overflow = "hidden";
+    else document.body.style.overflow = "";
+    return () => { document.body.style.overflow = ""; };
   }, [open]);
 
   const handleSubmit = useCallback(async (e: React.FormEvent) => {