Update app.py

app.py

@@ -135,6 +135,7 @@ h1 {
     display: flex;
     align-items: center;
     position: relative;
+    transition: all 0.3s ease;
 }
 
 #message-input {
@@ -152,6 +153,12 @@ h1 {
     cursor: pointer;
     font-size: 24px;
     color: #4CAF50;
+    animation: bounce 0.6s infinite alternate;
+}
+
+#upload-icon:hover {
+    color: #45a049;
+    transform: scale(1.1);
 }
 
 #loading-spinner {
@@ -164,6 +171,11 @@ h1 {
     height: 50px;
 }
 
+@keyframes bounce {
+    0% { transform: translateY(0); }
+    100% { transform: translateY(-10px); }
+}
+
 @keyframes fadeIn {
     0% { opacity: 0; }
     100% { opacity: 1; }