feat: add collapsible mobile ToC for in-page navigation#203
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Add an "On this page" details element that lists h2 headings, visible only at <=960px where the sidebar ToC is hidden. Placed after the h1 in every chapter page. Closes #110 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Replace standalone MobileToc component with an "On this page" section inside the hamburger nav panel. JS clones h2 links from the existing sidebar-toc at runtime. Tapping a section link closes the panel and scrolls to the heading. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
The inline script ran before the sidebar-toc element was in the DOM, so querySelector returned null and no links were added. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Remove ToC injection from hamburger menu. Add a dedicated sticky "On this page" bar below the header, visible only at <=960px. Expands to show h2 section links, closes on link tap or outside click. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Sticky positioning requires the element to be inside the scrolling container. Moved from between Header and site-main to inside main. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Teal FAB in bottom-right corner on mobile. Tap to open an overlay listing h2 section links. Closes on link tap or outside click. Zero layout impact — no sticky, no header changes. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
MobileToc.astrocomponent — collapsible "On this page" listing h2 headingsDocLayout.astro, visible only at <=960pxTest plan