Update app.py

app.py

@@ -377,6 +377,9 @@ HTML_CONTENT = """
             border-radius: 10px;
             color: #e0e0e0;
             animation: modalFadeIn 0.3s;
+            position: relative;
+            max-height: 80vh;
+            overflow-y: auto;
         }
 
         .history-item {
@@ -462,6 +465,12 @@ HTML_CONTENT = """
             .link-buttons .small-btn {
                 margin: 0.25rem 0;
             }
+
+            .close {
+                top: 5px;
+                right: 10px;
+                font-size: 24px;
+            }
         }
     </style>
 </head>