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- Add Tailwind CSS v4, @tailwindcss/postcss, and PostCSS dependencies - Create postcss.config.js for Tailwind integration - Create assets/css/main.css with all design tokens in @theme directive - Convert all existing CSS (variables, reset, typography, components) to Tailwind v4's CSS-first configuration - Update head.html to use Hugo's PostCSS pipe for processing - Preserve all existing design tokens: - Major Third typography scale (11px-44px) - 6px-based vertical rhythm spacing - Light/dark mode color schemes - Notice/callout colors - Chroma syntax highlighting (GitHub light/dark) The old CSS files in assets/css/base/ and assets/css/components/ are no longer used but preserved for reference during migration. https://claude.ai/code/session_01KeUkP9MG5Lu7ZvSFecL9rf
- Scope color-scheme dark mode to only apply when no explicit theme is set (prevents conflict with manual theme toggle) - Fix prefers-reduced-motion media query to use proper 'reduce' value
Addresses Copilot review feedback: document that postcss-cli@11 requires Node.js >=18.
- Add --text-subtle dark mode override for proper theming - Replace focus outline removal with focus-visible styles - Add accessible focus indicators for TOC summary - Add explicit margin: 0 on body to avoid preflight dependency
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Pull request overview
Upgrades the site’s styling pipeline to Tailwind CSS v4 via Hugo Pipes + PostCSS, consolidating CSS into a single entrypoint and adding the required Node/PostCSS tooling.
Changes:
- Add PostCSS configuration for Tailwind v4 (
@tailwindcss/postcss). - Update Node tooling dependencies (Tailwind v4, PostCSS + CLI) and set Node engine requirement.
- Switch Hugo head partial to build a single
assets/css/main.cssstylesheet through PostCSS (with production minify + optional fingerprinting).
Reviewed changes
Copilot reviewed 4 out of 5 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| postcss.config.js | Adds PostCSS plugin config to run Tailwind v4 via @tailwindcss/postcss. |
| package.json | Introduces Tailwind/PostCSS toolchain in devDependencies and sets Node >=18. |
| package-lock.json | Locks the newly added Tailwind/PostCSS dependency graph. |
| layouts/partials/head.html | Replaces manual CSS concatenation with Hugo Pipes postCSS processing of css/main.css. |
| assets/css/main.css | New consolidated Tailwind v4 entry CSS including theme tokens and layered styles. |
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- Document npm install requirement in README.md and CLAUDE.md - Add MIT license attribution for PaperMod-derived styles in main.css - Remove unused CSS files from assets/css/base/ and assets/css/components/ (consolidated into main.css during Tailwind v4 migration)
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Pull request overview
Copilot reviewed 17 out of 18 changed files in this pull request and generated no new comments.
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