.model-option {
  border: 1px solid #ddd;
  padding: 10px;
  margin: 10px 0;
  border-radius: 5px;
  background-color: #fff;
}

.chat-window {
  display: flex;
  flex-direction: column;
  height: 400px;
  overflow-y: auto;
  border: 1px solid #ccc;
  padding: 10px;
  background-color: #fff;
  border-radius: 5px;
  margin: 10px 0;
}

.user {
  align-self: flex-end;
  background-color: #DCF8C6;
  padding: 10px;
  margin: 5px;
  border-radius: 10px;
  max-width: 70%;
}

.assistant, .system {
  align-self: flex-start;
  background-color: #FFFFFF;
  padding: 10px;
  margin: 5px;
  border-radius: 10px;
  max-width: 70%;
}