body {
      font-family: 'Segoe UI', sans-serif;
      background-color: #121212;
      color: #f1c40f;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      height: 100vh;
    }
    .back-home-sticky {
      position: sticky;
      top: 0;
      background-color: #1c1c1c;
      padding: 12px 20px;
      z-index: 1000;
      text-align: left;
    }

    .back-home-sticky a {
      color: #FFD700;
      text-decoration: none;
      font-weight: bold;
      font-size: 16px;
      transition: color 0.3s ease;
    }

    .back-home-sticky a:hover {
      color: #e6c200;
      text-decoration: underline;
    }

    h2 {
      margin: 0;
      padding: 20px;
      background-color: #1c1c1c;
      color: #f1c40f;
      text-align: center;
      border-bottom: 1px solid #f1c40f;
    }

    #chat-container {
      flex: 1;
      padding: 20px;
      overflow-y: auto;
      background-color: #1e1e1e;
    }

    .message {
      margin: 10px 0;
      padding: 10px;
      border-radius: 6px;
      max-width: 70%;
    }

    .user {
      background-color: #2e2e2e;
      align-self: flex-end;
      margin-left: auto;
      color: #f1c40f;
    }

    .bot {
      background-color: #333;
      color: #ffffff;
      align-self: flex-start;
      margin-right: auto;
    }

    #input-container {
      display: flex;
      padding: 10px;
      background-color: #121212;
      border-top: 1px solid #f1c40f;
    }

    #user-input {
      flex: 1;
      padding: 10px;
      font-size: 16px;
      background-color: #2e2e2e;
      color: #f1c40f;
      border: 1px solid #f1c40f;
      border-radius: 4px;
    }

    #send-btn {
      background-color: #f1c40f;
      color: #121212;
      border: none;
      padding: 10px 20px;
      margin-left: 10px;
      font-size: 16px;
      border-radius: 4px;
      cursor: pointer;
    }

    #send-btn:hover {
      background-color: #d4ac0d;
    }
    
/* Responsive adjustments */
@media (max-width: 600px) {
  h2 {
    font-size: 1.25rem;
    padding: 12px;
  }

  #chat-container {
    padding: 12px;
  }

  .message {
    font-size: 0.95rem;
    max-width: 100%;
  }

  #user-input {
    font-size: 0.95rem;
  }

  #send-btn {
    font-size: 0.95rem;
    padding: 10px;
  }
}