* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
  }
  
  body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(to right, #f0f4f8, #e3ecf5);
  }
  
  .header {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
  }  
  
  .header h1 {
    font-size: 2.5rem;
    color: #333;
  }
  
  .header p {
    font-size: 1.2rem;
    color: #666;
  }
  
  .content {
    width: 90%;
    max-width: 600px;
    margin-top: 2rem;
    text-align: center;
  }
  
  .chat-bar input[type="text"] {
    width: 100%;
    padding: 1rem;
    font-size: 1.2rem;
    border-radius: 30px;
    border: 2px solid #ccc;
    outline: none;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }
  
  .chat-bar input[type="text"]:hover {
    transform: scale(1.02);
  }
  
  .chat-bar input[type="text"]:focus {
    box-shadow: 0 0 10px #4CAF50;
    border-color: #4CAF50;
  }

  .typing-indicator {
    display: none;
    font-size: 0.9rem;
    color: #4CAF50;
    margin-top: 1rem;
  }
  
  .popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
  }

  .popup-overlay {
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  
  .popup-overlay.show {
    display: flex;
    opacity: 1;
  }
  
  
  .popup {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    width: 90%;
    max-width: 400px; 
   }
  
  .popup h2 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
  }
  
  .popup input[type="email"] {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: .25rem;
    margin-top: 1rem;
    font-size: 1rem;
    border-radius: 5px;
    border: 1px solid #ccc;
  }
  
  .popup button {
    padding: 0.5rem 1rem;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s ease;
  }
 
  #message {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: #ef5232;
  }

  .close-btn {
    margin-right: 1rem;
    margin-top: 0.5rem;
    background-color: #999 !important;
  }
  
  .popup button:hover {
    background-color: #45a049;
  }
  
  .popup button:active {
    transform: scale(0.95);
  }


  .card-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin: 1rem 0;
  }

  .card {
    border: 2px solid #286d84;
    padding: 1rem .5rem;
    border-radius: 10px;
    width: 150px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
  }

  .card:hover {
    transform: scale(1.05);
    background-color: #a8cedc;
  }