diff --git a/src/components/layout/Navbar.jsx b/src/components/layout/Navbar.jsx
index 4adaf18..68c6f75 100644
--- a/src/components/layout/Navbar.jsx
+++ b/src/components/layout/Navbar.jsx
@@ -22,6 +22,7 @@ export const Navbar = ({ toggleMobile, isMobileOpen }) => {
     return "Good evening";
   })();
   const notificationRef = useRef(null);
+  const notificationToggleRef = useRef(false);
   const navigate = useNavigate();
 
   const hasSearchQuery = searchQuery.trim().length > 0;
@@ -283,7 +284,12 @@ export const Navbar = ({ toggleMobile, isMobileOpen }) => {
           <motion.button
             whileHover={{ scale: 1.05 }}
             whileTap={{ scale: 0.95 }}
-            onClick={() => setShowNotifications(!showNotifications)}
+            onClick={() => {
+              if (notificationToggleRef.current) return;
+              notificationToggleRef.current = true;
+              setShowNotifications(prev => !prev);
+              setTimeout(() => { notificationToggleRef.current = false; }, 300);
+            }}
             className="p-2 rounded-xl border border-slate-200/50 dark:border-slate-800/50 bg-white/80 dark:bg-slate-900/80 backdrop-blur-md text-slate-700 dark:text-slate-300 w-10 h-10 flex items-center justify-center cursor-pointer hover:shadow-sm relative"
           >
             <Bell className="w-5 h-5" />
diff --git a/src/pages/GitRank.jsx b/src/pages/GitRank.jsx
index 8e332b8..1912a34 100644
--- a/src/pages/GitRank.jsx
+++ b/src/pages/GitRank.jsx
@@ -242,7 +242,7 @@ export const GitRank = () => {
 
       try {
         const eventsRes = await axios.get(
-          `https://api.github.com/users/${userData.githubUsername}/events`,
+          `https://api.github.com/users/${encodeURIComponent(userData.githubUsername)}/events`,
           { headers }
         );
         setEvents(eventsRes.data || []);
@@ -267,7 +267,7 @@ export const GitRank = () => {
 
       try {
         const reposRes = await axios.get(
-          `https://api.github.com/users/${userData.githubUsername}/repos?per_page=100&type=owner`,
+          `https://api.github.com/users/${encodeURIComponent(userData.githubUsername)}/repos?per_page=100&type=owner`,
           { headers }
         );
         setRepos(reposRes.data || []);