Style lobby UI and add favicon to home and login pages.

public/home.html

@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <title>Home</title>
     <link rel="stylesheet" href="styles_home.css">
+    <link rel="icon" href="gambling.png" type="image/x-icon">
 </head>
 <body>
 <canvas id="matrix-canvas"></canvas>
@@ -30,8 +31,10 @@
 </div>
 <div id="join-error" class="error-message hidden"></div>
 <div id="lobby-room" class="lobby-room hidden">
+    <div class="lobby-header">
+        <button id="leave-button" class="leave-button">Leave Lobby</button>
+    </div>
     <h2>Lobby ID: <span id="lobby-id">N/A</span></h2>
-    <button id="leave-button">Leave Lobby</button>
     <div id="player-list">
         <p>Waiting for players...</p>
     </div>

public/login.html

@@ -3,14 +3,15 @@
 <head>
     <meta charset="UTF-8">
     <title>Login</title>
-  <link rel="stylesheet" href="styles_login.css">
+    <link rel="stylesheet" href="styles_login.css">
+    <link rel="icon" href="gambling.png" type="image/x-icon">
 </head>
 <body>
 <h1>Login / Register</h1>
 <form method="post" action="/login">
-  <input type="text" name="username" placeholder="Username">
-  <input type="password" name="password" placeholder="Password">
-  <button type="submit">Login</button>
+    <input type="text" name="username" placeholder="Username">
+    <input type="password" name="password" placeholder="Password">
+    <button type="submit">Login</button>
 </form>
 <div id="loading-screen" class="hidden">
     <div class="loading-text" id="loading-text">Loading...</div>

public/styles_home.css

@@ -185,3 +185,38 @@ button.logout {
     text-align: center;
     text-shadow: 0 0 3px #0f0;
 }
+
+.lobby-room {
+    position: relative;
+    background: rgba(0, 0, 0, 0.7);
+    border: 2px solid #0f0;
+    border-radius: 12px;
+    padding: 30px;
+    margin-top: 40px;
+    width: 400px;
+    text-align: center;
+    box-shadow: 0 0 10px #0f0;
+}
+
+.lobby-header {
+    position: absolute;
+    top: 10px;
+    right: 10px;
+}
+
+.leave-button {
+    background-color: #f00;
+    color: #fff;
+    font-size: 12px;
+    padding: 8px 12px;
+    border: none;
+    border-radius: 8px;
+    box-shadow: 0 0 5px red;
+    cursor: pointer;
+    transition: background 0.2s, transform 0.2s;
+}
+
+.leave-button:hover {
+    background-color: #c00;
+    transform: scale(1.05);
+}