body {
    font-family: Arial, sans-serif;
    background-color: #f7f9fc;
    margin: 0;
    padding: 20px;
  }
  
  .container {
    max-width: 1100px;
    margin: auto;
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  }
  
  h1 {
    margin-bottom: 20px;
  }
  
  .controls {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
  }
  
  .btn {
    padding: 10px 18px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
  }
  
  .start {
    background-color: #2563eb;
    color: white;
  }
  
  .stop {
    background-color: #e5e7eb;
    color: #6b7280;
  }
  
  .main {
    display: flex;
    gap: 20px;
  }
  
  .video-container, .transcript-container {
    flex: 1;
    background-color: #f9fafb;
    padding: 20px;
    border-radius: 10px;
    min-height: 400px;
  }
  
  video {
    width: 100%;
    height: auto;
    background-color: black;
    border-radius: 10px;
  }
  
  .transcript-text {
    margin-top: 10px;
    color: #374151;
    white-space: pre-wrap;
  }
  
  .transcript-text p {
    margin: 8px 0;
  }