Add list styles: Podium, Spotlight, Grid, List

- Each list picks a style in List settings (new lists default to Podium);
  existing lists keep Grid or List
- Podium: top 3 on medal-colored steps (#1 center and raised), the rest
  behind a native <details> "Show N more"; stacks #1 over #2/#3 on phones
- Spotlight: #1 as a feature card (art, why-note or description, play
  button), the rest as a numbered list
- Visitors can switch styles on a list page (?style=), preserved across
  pages; later pages fall back to a plain list since they don't start at #1
- Entries' detail data now lives on a wrapper per list, so featured and
  collapsed entries all open the detail view

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

web/templates/pages/home.html

@@ -30,7 +30,7 @@
     </div>
     <a class="see-all" href="/l/{{.List.Slug}}">{{if .More}}All {{num .List.ItemCount}}{{else}}Open{{end}}{{icon "arrow-right"}}</a>
   </header>
-  {{if .Items}}{{template "items" (dict "Items" .Items "Category" .Category "Layout" .List.Layout "Title" .List.Title)}}{{end}}
+  {{if .Items}}{{template "ranked" (dict "Items" .Items "Category" .Category "Style" .List.Layout "Title" .List.Title "AllLink" (and (gt .More 0) (print "/l/" .List.Slug)) "Total" .List.ItemCount)}}{{end}}
 </section>
 {{end}}
 {{else}}