styles.css

/* styles.css */
body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
  }
  
  .container {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }
  
  h1 {
    color: #333;
    margin-bottom: 20px;
  }
  
  .controls {
    margin-bottom: 20px;
  }
  
  .controls button {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 15px;
    margin: 5px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s ease;
  }
  
  .controls button:hover {
    background: #0056b3;
  }
  
  .controls input[type="file"] {
    margin-right: 10px;
  }
  
  .iframe-container {
    width: 100%;
    height: 300px;
    border: 2px solid #ccc;
    border-radius: 4px;
    overflow: hidden;
  }
  
  iframe {
    width: 100%;
    height: 100%;
    border: none;
  }