body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-color: #f5f5f5;
}

.chat-container {
  width: 400px;
  max-width: 100%;
  background: white;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.chat-box {
  height: 300px;
  overflow-y: auto;
  padding: 10px;
  border-bottom: 1px solid #ddd;
}

.message {
  margin: 5px 0;
}

.message.user {
  text-align: right;
}

.message.bot {
  text-align: left;
}

#message-input {
  width: calc(100% - 90px);
  padding: 10px;
  border: none;
  border-top: 1px solid #ddd;
}

#send-button {
  width: 80px;
  padding: 10px;
  border: none;
  background-color: #007bff;
  color: white;
  cursor: pointer;
}