TODO

Standardise all links (including header) to be heavy (font-weight: 600) and add violet accent color on hover
Remove border-radius from aria-current nav links, drop a:focus-visible ring in header, consolidate border-bottom/padding in shared header.css
Admin nav-logo: use grid layout with SVG + text horizontally aligned and vertically centered
repertoire.css: .rep-entry → step-1, years col → step-3, col h2 → step-1