diff --git a/client/src/index.css b/client/src/index.css
index 3cb9785..29f3f5b 100644
--- a/client/src/index.css
+++ b/client/src/index.css
@@ -3,7 +3,14 @@
 @tailwind utilities;
 
 html { height: 100%; overflow: hidden; background-color: var(--bg-primary); }
-body { height: 100%; overflow: auto; overscroll-behavior: none; -webkit-overflow-scrolling: touch; }
+body {
+  position: fixed;
+  inset: 0;
+  margin: 0;
+  overflow: auto;
+  overscroll-behavior: none;
+  -webkit-overflow-scrolling: touch;
+}
 
 .atlas-tooltip {
   background: rgba(10, 10, 20, 0.6) !important;