Use the theme's cards, buttons, inputs and filter buttons everywhere

Every hand-written card, button, input, the profiler's filter buttons, the
upload area, the chat bubbles, the nav links and the shortcut key now use
Weircon-wind components. The theme is imported into Tailwind's components
layer so utilities on the same element still apply.

Claude-Session: https://claude.ai/code/session_012LCTmU2ewo8tnM1dByYAoG

src/pages/status.astro

@@ -10,7 +10,7 @@ const STATUS_URL = 'https://status.weircon.dk/status/weircon';
     Når man drifter ~50 containere selv, er det rart at vide hvornår man har smadret noget.
   </p>
 
-  <div class="mt-8 overflow-hidden rounded-2xl border border-border bg-surface/60">
+  <div class="mt-8 wt-card wt-card--flush">
     <iframe src={STATUS_URL} title="Uptime Kuma statusside" loading="lazy"
             class="h-[70vh] w-full" style="border:0"></iframe>
   </div>