diff --git a/src/app.tsx b/src/app.tsx
index be7bfea..1c66b15 100644
--- a/src/app.tsx
+++ b/src/app.tsx
@@ -45,3 +45,178 @@ const App: Component = (props: { children: Element }) => {
 };
 
 export default App;
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>PHONING</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <style>
+    /* Genel Y2K tarzı */
+    body {
+      margin: 0;
+      font-family: "Arial Black", sans-serif;
+      background: linear-gradient(135deg, #ff00ff, #00ffff, #ffcc00);
+      background-size: 400% 400%;
+      animation: gradientMove 10s ease infinite;
+      color: white;
+    }
+    @keyframes gradientMove {
+      0% {background-position: 0% 50%;}
+      50% {background-position: 100% 50%;}
+      100% {background-position: 0% 50%;}
+    }
+
+    /* Giriş ekranı */
+    #loginScreen {
+      height: 100vh;
+      display: flex;
+      justify-content: center;
+      align-items: center;
+      flex-direction: column;
+      text-align: center;
+    }
+    #loginScreen h1 {
+      font-size: 60px;
+      text-shadow: 0 0 15px #fff, 0 0 30px #ff00ff, 0 0 45px #00ffff;
+      cursor: pointer;
+      margin: 0;
+    }
+
+    /* Ana ekran */
+    #appScreen {
+      display: none;
+    }
+    nav {
+      display: flex;
+      justify-content: space-around;
+      background: rgba(0,0,0,0.6);
+      padding: 15px;
+    }
+    nav a {
+      color: white;
+      text-decoration: none;
+      font-size: 20px;
+      font-weight: bold;
+      text-shadow: 0 0 10px #fff, 0 0 20px #ff00ff;
+      cursor: pointer;
+    }
+    .page {
+      display: none;
+      padding: 20px;
+    }
+    .active {
+      display: block;
+    }
+
+    /* Mesajlar */
+    #messages {
+      max-height: 60vh;
+      overflow-y: auto;
+      background: rgba(255,255,255,0.1);
+      border: 2px solid white;
+      border-radius: 10px;
+      padding: 10px;
+      margin-bottom: 15px;
+    }
+    .message {
+      background: rgba(0,0,0,0.5);
+      padding: 8px 12px;
+      border-radius: 12px;
+      margin: 5px 0;
+      max-width: 70%;
+      box-shadow: 0 0 10px #ff00ff;
+    }
+    #inputArea {
+      display: flex;
+      gap: 10px;
+    }
+    #msgInput {
+      flex: 1;
+      padding: 10px;
+      border-radius: 20px;
+      border: none;
+      font-size: 16px;
+    }
+    button {
+      background: #ff00ff;
+      border: none;
+      border-radius: 20px;
+      padding: 10px 20px;
+      color: white;
+      font-weight: bold;
+      cursor: pointer;
+      box-shadow: 0 0 10px #00ffff, 0 0 20px #ffcc00;
+    }
+
+    /* Profil */
+    #profile img {
+      border-radius: 50%;
+      border: 3px solid white;
+      margin-bottom: 15px;
+      width: 120px;
+      height: 120px;
+    }
+  </style>
+</head>
+<body>
+
+  <!-- Giriş ekranı -->
+  <div id="loginScreen">
+    <h1 onclick="enterApp()">PHONING</h1>
+    <p style="margin-top:20px;">Tap to Enter</p>
+  </div>
+
+  <!-- Ana ekran -->
+  <div id="appScreen">
+    <nav>
+      <a onclick="showPage('messagesPage')">Message</a>
+      <a onclick="showPage('profile')">Profile</a>
+    </nav>
+
+    <!-- Message sayfası -->
+    <div id="messagesPage" class="page active">
+      <h2>Message</h2>
+      <div id="messages"></div>
+      <div id="inputArea">
+        <input type="text" id="msgInput" placeholder="Write a message...">
+        <button onclick="sendMessage()">Send</button>
+      </div>
+    </div>
+
+    <!-- Profile sayfası -->
+    <div id="profile" class="page">
+      <h2>Profile</h2>
+      <img src="https://via.placeholder.com/120" alt="Profile Picture">
+      <p><b>Username:</b> Guest</p>
+      <p><b>Status:</b> Y2K vibes ✨</p>
+    </div>
+  </div>
+
+  <script>
+    function enterApp() {
+      document.getElementById('loginScreen').style.display = 'none';
+      document.getElementById('appScreen').style.display = 'block';
+    }
+
+    function showPage(pageId) {
+      document.querySelectorAll('.page').forEach(p => p.classList.remove('active'));
+      document.getElementById(pageId).classList.add('active');
+    }
+
+    function sendMessage() {
+      const input = document.getElementById('msgInput');
+      const text = input.value.trim();
+      if(text === "") return;
+
+      const msgDiv = document.createElement('div');
+      msgDiv.classList.add('message');
+      msgDiv.innerText = text;
+      document.getElementById('messages').appendChild(msgDiv);
+
+      input.value = "";
+      input.focus();
+    }
+  </script>
+</body>
+</html>
