ode Preview Editor

HTML/CSS/JavaScript
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Preview</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            padding: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .container {
            text-align: center;
            background: rgba(255,255,255,0.1);
            padding: 40px;
            border-radius: 15px;
            backdrop-filter: blur(10px);
        }
        h1 {
            font-size: 2.5em;
            margin-bottom: 20px;
        }
        button {
            background: #ff6b6b;
            color: white;
            border: none;
            padding: 12px 24px;
            font-size: 16px;
            border-radius: 25px;
            cursor: pointer;
            transition: transform 0.2s;
        }
        button:hover {
            transform: scale(1.05);
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>Hello, World! 🚀</h1>
        <p>Start coding to see your changes here!</p>
        <button onclick="alert('Hello from your code!')">Click me!</button>
    </div>
    
    <script>
        console.log('Your code is running!');
    </script>
</body>
</html>