polish hydration errors

[huozhi]

What

Polish hydration errors

• Fix the hydration diff line styles
• Fix the hydration error notes font styles
• Separate the diff view and code frame section and apply proper styles

After	Before

Closes NDX-764
Closes NDX-762

[huozhi]

• polish hydration errors #75632 👈 (View in Graphite)
• canary

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[ijjk]

Stats from current PR

Default Build

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js huozhi/02-04-polish_hydration_error_styles	Change
buildDuration	21.2s	18.2s	N/A
buildDurationCached	17.1s	14.5s	N/A
nodeModulesSize	391 MB	391 MB	⚠️ +5.11 kB
nextStartRea..uration (ms)	461ms	462ms	N/A

Client Bundles (main, webpack)

	vercel/next.js canary	vercel/next.js huozhi/02-04-polish_hydration_error_styles	Change
5306-HASH.js gzip	54 kB	54 kB	N/A
8276.HASH.js gzip	169 B	168 B	N/A
8377-HASH.js gzip	5.46 kB	5.46 kB	N/A
bccd1874-HASH.js gzip	52.9 kB	52.9 kB	N/A
framework-HASH.js gzip	57.5 kB	57.5 kB	N/A
main-app-HASH.js gzip	239 B	242 B	N/A
main-HASH.js gzip	34.5 kB	34.4 kB	N/A
webpack-HASH.js gzip	1.71 kB	1.71 kB	N/A
Overall change	0 B	0 B	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js huozhi/02-04-polish_hydration_error_styles	Change
polyfills-HASH.js gzip	39.4 kB	39.4 kB	✓
Overall change	39.4 kB	39.4 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js huozhi/02-04-polish_hydration_error_styles	Change
_app-HASH.js gzip	193 B	193 B	✓
_error-HASH.js gzip	193 B	193 B	✓
amp-HASH.js gzip	512 B	510 B	N/A
css-HASH.js gzip	343 B	342 B	N/A
dynamic-HASH.js gzip	1.84 kB	1.84 kB	✓
edge-ssr-HASH.js gzip	265 B	265 B	✓
head-HASH.js gzip	363 B	362 B	N/A
hooks-HASH.js gzip	393 B	392 B	N/A
image-HASH.js gzip	4.59 kB	4.58 kB	N/A
index-HASH.js gzip	268 B	268 B	✓
link-HASH.js gzip	2.35 kB	2.35 kB	N/A
routerDirect..HASH.js gzip	328 B	328 B	✓
script-HASH.js gzip	397 B	397 B	✓
withRouter-HASH.js gzip	323 B	326 B	N/A
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Overall change	3.59 kB	3.59 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js huozhi/02-04-polish_hydration_error_styles	Change
_buildManifest.js gzip	748 B	747 B	N/A
Overall change	0 B	0 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js huozhi/02-04-polish_hydration_error_styles	Change
index.html gzip	524 B	524 B	✓
link.html gzip	539 B	538 B	N/A
withRouter.html gzip	520 B	520 B	✓
Overall change	1.04 kB	1.04 kB	✓

Edge SSR bundle Size

	vercel/next.js canary	vercel/next.js huozhi/02-04-polish_hydration_error_styles	Change
edge-ssr.js gzip	129 kB	129 kB	N/A
page.js gzip	210 kB	210 kB	N/A
Overall change	0 B	0 B	✓

Middleware size

	vercel/next.js canary	vercel/next.js huozhi/02-04-polish_hydration_error_styles	Change
middleware-b..fest.js gzip	670 B	665 B	N/A
middleware-r..fest.js gzip	155 B	156 B	N/A
middleware.js gzip	31.3 kB	31.3 kB	N/A
edge-runtime..pack.js gzip	844 B	844 B	✓
Overall change	844 B	844 B	✓

Next Runtimes

	vercel/next.js canary	vercel/next.js huozhi/02-04-polish_hydration_error_styles	Change
app-page-exp...dev.js gzip	385 kB	385 kB	N/A
app-page-exp..prod.js gzip	132 kB	132 kB	✓
app-page-tur..prod.js gzip	145 kB	145 kB	✓
app-page-tur..prod.js gzip	141 kB	141 kB	✓
app-page.run...dev.js gzip	372 kB	372 kB	N/A
app-page.run..prod.js gzip	128 kB	128 kB	✓
app-route-ex...dev.js gzip	39.3 kB	39.3 kB	✓
app-route-ex..prod.js gzip	25.6 kB	25.6 kB	✓
app-route-tu..prod.js gzip	25.6 kB	25.6 kB	✓
app-route-tu..prod.js gzip	25.4 kB	25.4 kB	✓
app-route.ru...dev.js gzip	40.8 kB	40.8 kB	✓
app-route.ru..prod.js gzip	25.4 kB	25.4 kB	✓
dist_client_...dev.js gzip	356 B	356 B	✓
dist_client_...dev.js gzip	349 B	349 B	✓
pages-api-tu..prod.js gzip	9.69 kB	9.69 kB	✓
pages-api.ru...dev.js gzip	11.8 kB	11.8 kB	✓
pages-api.ru..prod.js gzip	9.68 kB	9.68 kB	✓
pages-turbo...prod.js gzip	21.9 kB	21.9 kB	✓
pages.runtim...dev.js gzip	31.5 kB	31.5 kB	✓
pages.runtim..prod.js gzip	21.9 kB	21.9 kB	✓
server.runti..prod.js gzip	60.2 kB	60.2 kB	✓
Overall change	895 kB	895 kB	✓

build cache

	vercel/next.js canary	vercel/next.js huozhi/02-04-polish_hydration_error_styles	Change
0.pack gzip	2.1 MB	2.1 MB	N/A
index.pack gzip	74.9 kB	74.6 kB	N/A
Overall change	0 B	0 B	✓

Diff details

Diff for main-HASH.js

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Diff for app-page-exp..ntime.dev.js

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Diff for app-page.runtime.dev.js

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Commit: e008927

[eps1lon]

Do we have design for highlighting codelines? The invalid dom nesting error (e.g. p > p) should just highlight the rows indicated by the > marker. Right now it displays them the same as if we'd have a diff with just - in front of the lines i.e. uses a red background.