.chat-messages {
  height: 400px;
  overflow-y: auto;
  border: 1px solid #dee2e6;
  border-radius: 0.25rem;
  padding: 1rem;
}

.message {
  padding: 0.5rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: 0.5rem;
  max-width: 70%;
}

.message-sent {
  background-color: #d1e7dd;
  margin-left: auto;
}

.message-received {
  background-color: #f8f9fa;
}