Fix emoji encoding and improve universal decoder

index.html

@@ -5,6 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Parseltongue 2.0 - LLM Payload Crafter</title>
     <link rel="stylesheet" href="css/style.css">
+    <link rel="stylesheet" href="css/notification.css">
     <!-- Vue.js -->
     <script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
     <!-- Font Awesome for icons -->