.demo-container {
  padding: 16px;
  box-sizing: border-box;
}

.input-group {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

button {
  padding: 8px 16px;
  background: #1890ff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}