body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f3f3f3;
  color: #333;
}

#chat-container {
  max-width: 600px;
  margin: 20px auto;
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 10px;
  background-color: #fff;
}

.message {
  margin: 10px 0;
  padding: 10px;
  border-radius: 10px;
  font-size: 16px;
}

.user {
  background-color: #2196f3;
  color: #fff;
  text-align: right;
}

.bot {
  background-color: #e0e0e0;
  color: #333;
}

input[type="text"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 16px;
}

#user-input-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

#send-button {
  padding: 10px 20px;
  background-color: #2196f3;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
}

#loading-icon {
  width: 24px;
  height: 24px;
  border: 4px solid #ccc;
  border-top: 4px solid #2196f3;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: 10px;
  display: none;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}