// 正确 - 使用令牌
<Box padding="$4" marginBottom="$2" />

// 错误 - 硬编码值
<Box padding={16} marginBottom={8} />

// 正确 - 语义令牌
<Text color="$textPrimary" />
<Box backgroundColor="$backgroundSecondary" />

// 错误 - 硬编码颜色
<Text color="#333333" />
<Box backgroundColor="rgb(245, 245, 245)" />

<Text fontSize="$lg" fontWeight="$semibold" />

<Box padding="$4" backgroundColor="$backgroundPrimary" borderRadius="$lg">
  {children}
</Box>

<HStack gap="$3" alignItems="center">
  <Icon name="user" />
  <Text>用户名</Text>
</HStack>

<VStack gap="$4" padding="$4">
  <Heading>标题</Heading>
  <Text>内容</Text>
</VStack>

<Text fontSize="$lg" fontWeight="$semibold" color="$textPrimary">
  Hello World
</Text>

<Button
  onPress={handlePress}
  variant="solid"
  size="md"
  isLoading={loading}
  isDisabled={disabled}
>
  点击我
</Button>

<Input
  value={value}
  onChangeText={setValue}
  placeholder="输入文本"
  error={touched ? errors.field : undefined}
  label="字段名"
/>

<Card padding="$4" gap="$3">
  <CardHeader>
    <Heading size="sm">卡片标题</Heading>
  </CardHeader>
  <CardBody>
    <Text>卡片内容</Text>
  </CardBody>
</Card>

const MyScreen = () => (
  <Screen>
    <ScreenHeader title="页面标题" />
    <ScreenContent padding="$4">{/* 内容 */}</ScreenContent>
  </Screen>
);

<VStack gap="$4" padding="$4">
  <Input label="名称" {...nameProps} />
  <Input label="电子邮件" {...emailProps} />
  <Button isLoading={loading}>提交</Button>
</VStack>

<HStack
  padding="$4"
  gap="$3"
  alignItems="center"
  borderBottomWidth={1}
  borderColor="$borderLight"
>
  <Avatar source={{ uri: imageUrl }} size="md" />
  <VStack flex={1}>
    <Text fontWeight="$semibold">{title}</Text>
    <Text color="$textSecondary" fontSize="$sm">
      {subtitle}
    </Text>
  </VStack>
  <Icon name="chevron-right" color="$textTertiary" />
</HStack>

// 错误 - 硬编码值
<View style={{ padding: 16, backgroundColor: '#fff' }}>

// 正确 - 设计令牌
<Box padding="$4" backgroundColor="$backgroundPrimary">


// 错误 - 原生平台组件
import { View, Text } from 'react-native';

// 正确 - 核心组件
import { Box, Text } from 'components/core';


// 错误 - 内联样式
<Text style={{ fontSize: 18, fontWeight: '600' }}>

// 正确 - 令牌属性
<Text fontSize="$lg" fontWeight="$semibold">

interface CardProps {
  padding?: "$2" | "$4" | "$6";
  variant?: "elevated" | "outlined" | "filled";
  children: React.ReactNode;
}

const Card = ({
  padding = "$4",
  variant = "elevated",
  children,
}: CardProps) => (
  <Box
    padding={padding}
    backgroundColor="$backgroundPrimary"
    borderRadius="$lg"
    {...variantStyles[variant]}
  >
    {children}
  </Box>
);