style.css

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  padding: 10px;
}

#chat-container {
  width: 100%;
  max-width: 600px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  height: 100%;
}

#chatbox {
  flex: 1;
  padding: 20px;
  background-color: #fff;
  overflow-y: auto;
}

.message-container {
  display: flex;
  flex-direction: row;
  margin-bottom: 10px;
}

.message {
  padding: 10px 20px;
  border-radius: 20px;
  display: inline-block;
  word-wrap: break-word;
  max-width: 70%;
}

.message.user {
  align-self: flex-end;
  background-color: #007bff;
  color: #fff;
  margin-left: auto;
}

.message.model {
  align-self: flex-start;
  background-color: #e9ecef;
  color: #000;
  margin-right: auto;
}

.loading-indicator {
  display: flex;
  align-items: center;
  margin-right: 10px;
}

.dot {
  width: 8px;
  height: 8px;
  background-color: #007bff;
  border-radius: 50%;
  margin: 0 3px;
  animation: dot-pulse 1s infinite;
}

@keyframes dot-pulse {
  0%, 80%, 100% {
    transform: scale(0);
  }
  40% {
    transform: scale(1);
  }
}

#input-container {
  display: flex;
  border-top: 1px solid #ccc;
  background-color: #fff;
  padding: 10px;
  align-items: center;
}

#input {
  flex: 1;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 20px;
  margin-right: 10px;
}

#sendButton {
  padding: 10px 20px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 20px;
  cursor: pointer;
}

#sendButton:hover {
  background-color: #0056b3;
}

@media (max-width: 600px) {
  #chat-container {
    max-width: 100%;
  }
}