diff --git a/frontend/src/components/layout/AppTopbar.vue b/frontend/src/components/layout/AppTopbar.vue
index ef271f4..db3c3eb 100644
--- a/frontend/src/components/layout/AppTopbar.vue
+++ b/frontend/src/components/layout/AppTopbar.vue
@@ -244,9 +244,9 @@ onBeforeUnmount(() => {
 .avatar-icon { color: var(--color-text-secondary); }
 .avatar-name { font-size: 13px; font-weight: 600; color: var(--color-text); }
 .profile-dropdown {
-  position: absolute;
-  top: calc(100% + 10px);
-  right: 0;
+  position: fixed;
+  top: calc(var(--topbar-height) + 10px);
+  right: 20px;
   min-width: 220px;
   padding: 8px;
   border: 1px solid var(--color-border-glass);