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App.tsx
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App.tsx
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import * as React from 'react';
import { styled, css, keyframes } from '@pigment-css/react';
const scale = keyframes({
to: { scale: 'var(--s2)' },
});
const Link = styled('a', { shouldForwardProp: (prop) => prop !== 'outlined' })<{
outlined?: boolean;
}>(({ theme }) => ({
fontSize: '1rem',
background: 'rgba(0 0 0 / 0.04)',
padding: '0.8rem 1rem',
letterSpacing: '1px',
borderRadius: '8px',
textAlign: 'center',
...theme.applyStyles('dark', {
background: 'rgba(255 255 255 / 0.1)',
}),
variants: [
{
props: { outlined: true },
style: {
background: 'transparent',
color: `hsl(${theme.vars.palette.primary})`,
border: `1px solid hsl(${theme.vars.palette.border})`,
},
},
],
}));
const Bubble = styled('span')({
height: 'var(--size, 100%)',
aspectRatio: '1',
background: 'radial-gradient(hsl(var(--h) 100% 70%) 25%, transparent 50%)',
position: 'absolute',
display: 'inline-block',
left: 'var(--x, 0)',
top: 'var(--y, 0)',
scale: '0',
translate: '-50% -50%',
mixBlendMode: 'multiply',
filter: 'blur(2px)',
animation: `${scale} var(--s, 2s) var(--d, 0s) infinite alternate`,
});
function randomBetween(min: number, max: number) {
return Math.floor(Math.random() * (max - min + 1) + min);
}
function generateBubbleVars() {
return `
--x: ${randomBetween(10, 90)}%;
--y: ${randomBetween(15, 85)}%;
--h: ${randomBetween(0, 360)};
--s2: ${randomBetween(2, 6)};
--d: -${randomBetween(250, 400) / 1000}s;
--s: ${randomBetween(3, 6)}s;
`;
}
export default function Home() {
return (
<main
className={css({
display: 'flex',
flexDirection: 'column',
alignItems: 'center',
justifyContent: 'center',
height: '100lvh',
padding: '20px',
color: 'hsl(var(--palette-foreground))',
backgroundColor: 'hsl(var(--palette-background))',
fontFamily:
"system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'",
})}
>
<h1
className={`
${css(({ theme }) => ({
fontFamily: 'system-ui, sans-serif',
fontSize: '4rem',
fontWeight: 500,
textAlign: 'center',
position: 'relative',
display: 'flex',
alignItems: 'center',
color: '#888',
marginBottom: '1rem',
...theme.applyStyles('dark', { color: '#fff' }),
}))}`}
>
Pigment CSS
<span
className={css(({ theme }) => ({
position: 'absolute',
inset: '0',
background: 'white',
mixBlendMode: 'color-burn',
overflow: 'hidden',
pointerEvents: 'none',
...theme.applyStyles('dark', {
mixBlendMode: 'darken',
filter: 'brightness(2)',
}),
}))}
>
<Bubble
className={css`
${generateBubbleVars()}
`}
/>
<Bubble
className={css`
${generateBubbleVars()}
`}
/>
<Bubble
className={css`
${generateBubbleVars()}
`}
/>
<Bubble
className={css`
${generateBubbleVars()}
`}
/>
<Bubble
className={css`
${generateBubbleVars()}
`}
/>
<Bubble
className={css`
${generateBubbleVars()}
`}
/>
<Bubble
className={css`
${generateBubbleVars()}
`}
/>
<Bubble
className={css`
${generateBubbleVars()}
`}
/>
<Bubble
className={css`
${generateBubbleVars()}
`}
/>
<Bubble
className={css`
${generateBubbleVars()}
`}
/>
</span>
</h1>
<div
className={css({
fontFamily: 'system-ui, sans-serif',
letterSpacing: '2px',
opacity: 0.6,
lineHeight: 2,
textAlign: 'center',
textWrap: 'balance',
})}
>
CSS-in-JS library with static extraction
</div>
<div
className={css({
display: 'flex',
flexWrap: 'wrap',
gap: '1rem',
marginTop: '2rem',
})}
>
<Link
href="https://github.com/mui/material-ui/blob/master/packages/pigment-react/README.md"
target="_blank"
rel="noopener noreferrer"
>
Documentation
</Link>
<Link
outlined
href="https://github.com/orgs/mui/projects/27/views/1"
target="_blank"
rel="noopener noreferrer"
>
Roadmap
</Link>
</div>
</main>
);
}