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## Summary
`theme.js` unconditionally wrote the resolved preference to
`localStorage` on every page load, permanently locking in a concrete
`"light"` or `"dark"` value even for first-time visitors — making it
impossible to track OS preference changes after any site visit. Removed
the unconditional `localStorage.setItem` from `theme.js` so the early
script only reads (never writes); the Alpine.js toggle in `header.html`
now cycles through three states (light → dark → auto), with "auto"
removing the `theme-preference` key and resolving from
`prefers-color-scheme` with a live `matchMedia` change listener so the
theme updates immediately when the OS preference changes. A contrast
icon indicates auto mode; all three icon spans are driven by Alpine
`x-show` directives rather than pure CSS dark-mode classes.
**Verified:** logic matches the standard three-state pattern;
`prefers-color-scheme` media query and `matchMedia` change listener are
the canonical browser APIs for system-preference tracking.
**Checked:** no other files reference `theme-preference` or the theme
toggle; no CSS changes required.
Closes#23177
---------
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Harmonize buttons in the nav and automatically copy the search term to
the AI widget.
Uses "cmd k" to open the AI widget instead of search.
Touch up search results.
- Extract classes to utilities and components.
- Reduce number of colors used.
- Harmonize button colors.
- Restyle admonitions.
- Move **Page options** button to main article.
- Various color tweaks.
Adds an .external-link utility class, to be used together with the
existing .link utility, for adding the correct styles to the open_in_new
icon without having to duplicate the markup each time.
Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>
- Refactoring styles to prevent unwanted specificity issues by using
tailwind directives
- Improve color consistency for code blocks and other components by
replacing adhoc hex values with theme colors
Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>
