fix: update to correct NeoBrutalismCSS CDN and class names

- Switch CDN to jsdelivr (matches design spec)
- Use nb-card, nb-card-title, nb-button default, nb-checkbox, nb-navbar-link
- Add Google Fonts import for Lexend Mega
- Style all route links as nb-button default buttons
- Fix navbar to use nb-navbar-brand and nb-navbar-nav
- Update style.css for new NB version compatibility

src/Sis/Page/Activity.hs

@@ -17,7 +17,7 @@ import Effectful
 
 import Sis.Database
 import Sis.Route
-import Sis.Style
+import Sis.Style (nbBoxClass, nbButtonDefaultClass, nbInputClass, nbLabelClass, nbBadgeClass, nbHeadingClass, nbContainerClass, nbListItemClass, colorRed, colorYellow, colorGreen)
 import Sis.Types
 import Sis.View.Layout
 import Web.Hyperbole
@@ -52,7 +52,7 @@ instance (DB :> es, IOE :> es) => HyperView ActivityPage es where
 activityView :: ActivityLogPage -> View ActivityPage ()
 activityView log = do
     el @ att "class" nbContainerClass @ att "style" "max-width:960px;margin:0 auto" $ do
-        el @ att "class" nbFontHeading1Class $ text "Activity Log"
+        el @ att "class" nbHeadingClass $ text "Activity Log"
         if null (alpEntries log)
             then el @ att "style" "opacity:0.5" $ text "No activity recorded yet."
             else el @ att "class" nbBoxClass $ mapM_ entryRow (alpEntries log)
@@ -60,12 +60,12 @@ activityView log = do
             then el @ att "style" "margin-top:1rem;display:flex;gap:0.5rem;justify-content:center" $ do
                 let totalPages = (alpTotal log + alpPerPage log - 1) `div` alpPerPage log
                 if alpPage log > 1
-                    then button (GoToPage (alpPage log - 1)) @ att "class" nbButtonClass $ text "Previous"
+                    then button (GoToPage (alpPage log - 1)) @ att "class" nbButtonDefaultClass $ text "Previous"
                     else none
                 el @ att "style" "align-self:center" $
                     text ("Page " <> T.pack (show (alpPage log)) <> " of " <> T.pack (show totalPages))
                 if alpPage log < totalPages
-                    then button (GoToPage (alpPage log + 1)) @ att "class" nbButtonClass $ text "Next"
+                    then button (GoToPage (alpPage log + 1)) @ att "class" nbButtonDefaultClass $ text "Next"
                     else none
             else none