Scrollbar gutter reserved space on splash pages, leaving a gap next to the topbar. Now only applied on pages with a scrollbar.
Mermaid toolbar buttons use Northwestern purple focus rings instead of the browser default.
Mermaid fullscreen close button dropped the red danger style and matches the other overlay buttons.
Changed
Mermaid overlay buttons sized and styled to match the header theme toggle.
Added
Fullscreen Mermaid viewer supports touch: one-finger pan, pinch-to-zoom, two-finger pan.
Mermaid toolbar stays visible on touch devices (hover: none) since hover is unavailable.
SVG downloads use descriptive filenames derived from the site title, page slug, and diagram type (e.g., northwestern-starlight-theme_examples-mermaid-flowchart.svg).