diff --git a/client/src/components/CatModal.tsx b/client/src/components/CatModal.tsx
index a5b170c..59cf368 100644
--- a/client/src/components/CatModal.tsx
+++ b/client/src/components/CatModal.tsx
@@ -34,18 +34,8 @@ export default function CatModal({ catId, onClose }: CatModalProps) {
   useEffect(() => { if (likeData) setLiked(likeData.liked); }, [likeData]);
   useEffect(() => { if (data?.cat) setLikeCount(data.cat.likes_count); }, [data]);
   useEffect(() => {
-    const scrollY = window.scrollY;
-    document.documentElement.style.overflow = 'hidden';
-    document.documentElement.style.height = '100%';
     document.body.style.overflow = 'hidden';
-    document.body.style.height = '100%';
-    return () => {
-      document.documentElement.style.overflow = '';
-      document.documentElement.style.height = '';
-      document.body.style.overflow = '';
-      document.body.style.height = '';
-      window.scrollTo(0, scrollY);
-    };
+    return () => { document.body.style.overflow = ''; };
   }, []);
   useEffect(() => {
     const h = (e: KeyboardEvent) => { if (e.key === 'Escape') onClose(); };
@@ -108,9 +98,9 @@ export default function CatModal({ catId, onClose }: CatModalProps) {
   });
 
   return (
-    <div className="fixed inset-0 z-[60] bg-black/30 overflow-y-auto animate-fade-in" onClick={onClose}>
+    <div className="fixed inset-0 z-[60] bg-black/30 flex items-center justify-center p-4 animate-fade-in" onClick={onClose}>
       <div
-        className="w-full max-w-lg bg-white rounded-2xl max-h-[90vh] flex flex-col overflow-hidden shadow-xl animate-scale-in mx-auto mt-[50vh] -translate-y-1/2"
+        className="w-full max-w-lg bg-white rounded-2xl max-h-[85vh] flex flex-col overflow-hidden shadow-xl animate-scale-in"
         onClick={e => e.stopPropagation()}
       >
         <div className="flex items-center justify-between px-5 py-4 shrink-0">