diff --git a/Mode1Svelte/frontend/index.html b/Mode1Svelte/frontend/index.html
index c55e615..6472774 100644
--- a/Mode1Svelte/frontend/index.html
+++ b/Mode1Svelte/frontend/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>Mode1 - Auth Module Test</title>
+  <title>Mode1Svelte - Auth Module Test</title>
   <style>
     * {
       margin: 0;
@@ -150,6 +150,41 @@
       text-align: right;
     }
 
+    .mode-indicator {
+      position: fixed;
+      bottom: 1rem;
+      left: 1rem;
+      background: #1e293b;
+      border: 1px solid #334155;
+      border-radius: 6px;
+      padding: 0.75rem 1rem;
+      font-size: 0.875rem;
+      color: #94a3b8;
+      display: flex;
+      align-items: center;
+      gap: 0.5rem;
+      z-index: 1000;
+    }
+
+    .mode-indicator .mode-name {
+      font-weight: 600;
+      color: #f1f5f9;
+    }
+
+    .mode-indicator .mode-dot {
+      width: 8px;
+      height: 8px;
+      border-radius: 50%;
+      background: #22c55e;
+      animation: pulse 2s infinite;
+    }
+
+    @keyframes pulse {
+      0%, 100% { opacity: 1; }
+      50% { opacity: 0.5; }
+    }
+    }
+
     @media (max-width: 768px) {
       .grid {
         grid-template-columns: 1fr;
@@ -163,7 +198,7 @@
 </head>
 <body>
   <div class="container">
-    <h1>🔐 Auth Module Test Suite (Mode1)</h1>
+    <h1>🔐 Auth Module Test Suite (Mode1Svelte)</h1>
 
     <div class="grid">
       <!-- Frontend Auth Section -->
@@ -541,5 +576,11 @@
       }
     }
   </script>
+
+  <!-- Mode Indicator -->
+  <div class="mode-indicator">
+    <div class="mode-dot"></div>
+    <span class="mode-name">Mode1Svelte</span>
+  </div>
 </body>
 </html>
