refactor: replace hand-rolled utility CSS with Tailwind classes (host build now scans theme templates)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

blocks/discography.ninjatpl

@@ -3,7 +3,7 @@
   <div class="mx-auto max-w-6xl px-4">
     {% if heading %}<h2 class="y2k-display glitch text-2xl font-semibold tracking-tight md:text-3xl" data-text="{{ heading }}">{{ heading }}</h2>{% endif %}
     {% if releases %}
-    <div class="mt-8 y2k-grid-records">
+    <div class="mt-8 grid grid-cols-1 gap-6 sm:grid-cols-2 lg:grid-cols-4">
       {% for release in releases %}
       <article class="y2k-bevel y2k-card y2k-glow group overflow-hidden bg-card text-card-foreground">
         {% if release.cover %}
@@ -11,7 +11,7 @@
           {% if release.link %}<a href="{{ release.link }}" class="block h-full w-full">{% img release.cover alt=release.title class="h-full w-full object-cover transition-transform duration-300 group-hover:scale-105" %}</a>{% else %}{% img release.cover alt=release.title class="h-full w-full object-cover" %}{% endif %}
         </div>
         {% else %}
-        <div class="y2k-media-empty y2k-chrome-bg text-muted-foreground">
+        <div class="flex h-44 items-center justify-center y2k-chrome-bg text-muted-foreground">
           {% if release.link %}<a href="{{ release.link }}" class="flex h-full w-full items-center justify-center" aria-label="{{ release.title }}"><svg class="h-12 w-12" aria-hidden="true"><use href="/icons/lucide.svg#disc"></use></svg></a>{% else %}<svg class="h-12 w-12" aria-hidden="true"><use href="/icons/lucide.svg#disc"></use></svg>{% endif %}
         </div>
         {% endif %}

manifest.yaml

@@ -358,32 +358,6 @@ css:
         0 4px 14px hsl(var(--bevel-dark) / 0.22);
     }
 
-    /* --- Responsive persona grids ----------------------------- */
-    /* Explicit media queries so column counts do NOT depend on the host
-       Tailwind build having scanned these theme templates (persona blocks
-       use responsive class combos no builtin emits, so the JIT drops them
-       and the grid collapses to its base count). 1 col on phones. */
-    .y2k-grid-records {
-      display: grid;
-      gap: 1.5rem;
-      grid-template-columns: minmax(0, 1fr);
-    }
-    @media (min-width: 640px) {
-      .y2k-grid-records { grid-template-columns: repeat(2, minmax(0, 1fr)); }
-    }
-    @media (min-width: 1024px) {
-      .y2k-grid-records { grid-template-columns: repeat(4, minmax(0, 1fr)); }
-    }
-
-    /* Compact chrome tile for absent album/track art — a fixed, modest
-       height so an empty media field never balloons into a blank box. */
-    .y2k-media-empty {
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      height: 11rem;
-    }
-
     /* --- Marquee ---------------------------------------------- */
     .y2k-marquee {
       overflow: hidden;