add print.css as a separate, lazy-loaded stylesheet#6
Merged
Arty2 merged 2 commits intoclaude/polish-passfrom Apr 29, 2026
Merged
add print.css as a separate, lazy-loaded stylesheet#6Arty2 merged 2 commits intoclaude/polish-passfrom
Arty2 merged 2 commits intoclaude/polish-passfrom
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A dedicated `assets/styles/print.css` linked with `media="print"`.
Browsers natively defer non-matching media, so the file is fetched
lazily — only when the user actually prints (or print-previews).
Screen readers and the average page load pay nothing.
A separate sheet (rather than an inline `@media print` block in
`screen.css`) keeps the default stylesheet focused, makes overrides
trivial via a custom `static/styles/custom-print.css`, and lets the
browser drop the rules from memory when not in use.
Rules:
* Flat, ink-saving palette — overrides every theme's HSL channels at
`:root` and forces `body` to black-on-white.
* Single-column layout — `max-width: none` on `body > header`,
`main`, `body > footer`.
* Hides chrome with no value on paper: `.gadgets`, `.languages`,
`nav`, `.taxonomy-filter`, `#search__form`, `.menu-social`,
`.share`. Generic escape hatch: `[data-print="hide"]`.
* Expands `http(s)` and protocol-relative hyperlinks to footnote-style
URLs via `a::after { content: " (" attr(href) ")" }` so they survive
the page. Same-page anchors and `mailto:`/`tel:` stay clean.
* Page-break hints: `break-after: avoid` on h1–h6, `break-inside:
avoid` on `figure`, `pre`, `blockquote`, `.alert`.
* Drops decorative effects (`mix-blend-mode`, `filter`, hover
outlines) that print poorly.
Wired through Hugo's existing asset pipeline (`resources.Get | minify
| fingerprint`) with SRI integrity, mirroring how `screen.css` and
`syntax.css` are already loaded.
https://claude.ai/code/session_01LAYiVF9Z1tk1PW3UAZz1Wb
6 tasks
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Why
Stacked on #5. A dedicated print stylesheet — long enough that an inline
@media printblock insidescreen.csswould bloat the screen-default sheet, but small enough that a separate file is cheap. Browsers natively defermedia-mismatched stylesheets, soprint.cssis fetched lazily only when the user actually prints (or print-previews). The on-screen page load pays nothing.A separate sheet also makes overrides trivial: a site author can drop
static/styles/custom-print.cssnext tocustom.csswithout parsingscreen.css.(F1–F4 from the original audit — reading time, OG image dimensions, dark-mode favicon, apple-touch-icon — were dropped per maintainer call.)
What
New file
assets/styles/print.css::rootoverride every theme;bodyforced black-on-whitemax-width: none+ zero margin onbody > header,main,body > footerfor a single column.gadgets,.languages,nav,.taxonomy-filter,#search__form,.menu-social,.share; plus a generic[data-print="hide"]escape hatcha[href^="http"]::after { content: " (" attr(href) ")" }expands URLs to footnote-style. Same-page anchors andmailto:/tel:stay cleanbreak-after: avoidon h1–h6;break-inside: avoidonfigure,pre,blockquote,.alertmix-blend-mode,filter, hover outlineslayouts/partials/head.html: new<link rel="stylesheet" media="print">emitted alongside the existingscreen.css/syntax.css. Goes through the sameresources.Get | minify | fingerprintpipeline; emits the integrity attribute exactly like the other sheets.Test plan
cd exampleSite && hugo --gc --minify— cleanpublic/styles/print.min.<hash>.cssproduced<link rel=stylesheet href=/styles/print.min….css integrity="sha256-…" crossorigin=anonymous media=print>(verified inpublic/index.html)npx html-validate@^9 --config .github/html-validate.json public/**/*.html— exit 0print.cssshows aslowestpriority and (in some browsers) listed but not blocking; Browser Print Preview shows the print rules applied[data-print="hide"]element disappears in print preview; on-page hyperlinks expand toAnchor text (https://…); figures/pre blocks don't split across pagesStacking
Base is
claude/polish-pass(#5). Once #5 lands, GitHub will automatically retarget this PR tomaster.Generated by Claude Code