 body {
    font-family: Arial, sans-serif;
    background: #f2f2f2;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }

  .chatbot-box {
    width: 320px;
    height: 450px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
  }

  .chatbot-header {
    background: #00b894;
    color: #fff;
    padding: 15px;
    text-align: center;
    font-weight: bold;
    font-size: 16px;
  }

  .chatbot-messages {
    flex: 1;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
  }

  .msg-bot, .msg-user {
    padding: 10px;
    border-radius: 10px;
    max-width: 80%;
    animation: fadeIn 0.5s ease;
  }

  .msg-bot {
    background: #dfe6e9;
  }

  .msg-user {
    background: #00b894;
    color: white;
    align-self: flex-end;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .chatbot-input {
    padding: 10px;
    border-top: 1px solid #ddd;
    display: flex;
    gap: 5px;
  }

  .chatbot-input input {
    flex: 1;
    padding: 8px;
    border-radius: 10px;
    border: 1px solid #ccc;
    outline: none;
  }

  .chatbot-input button {
    padding: 8px 12px;
    border: none;
    border-radius: 10px;
    background: #00b894;
    color: white;
    cursor: pointer;
  }