body {
  font-family: Arial, sans-serif;
  padding: 20px;
}

#chat {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid #ccc;
  padding: 10px;
  margin-bottom: 10px;
  background: #fff;
  border-radius: 10px;
}

.mensagem {
  padding: 8px 12px;
  border-radius: 15px;
  margin: 6px 0;
  max-width: 80%;
  display: inline-block;
}

.usuario {
  background-color: #d0f0ff;
  text-align: right;
  float: right;
  clear: both;
}

.chatbot {
  background-color: #f1f1f1;
  float: left;
  clear: both;
}

.input-area {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

input[type="text"] {
  flex: 1;
  padding: 10px;
  font-size: 16px;
}

button {
  padding: 10px;
  font-size: 16px;
  cursor: pointer;
}

@media (max-width: 600px) {
  .input-area {
    flex-direction: column;
  }
}