feat: spinning-up widget for ?message=spinning_up URL param

style.css

@@ -969,4 +969,38 @@ img { max-width: 100%; height: auto; vertical-align: middle; }
 .blog-section-dark .blog-badge-guide { background: #a78bfa; }
 .blog-section-dark .blog-badge-howto { background: #00f5ff; }
 .blog-section-dark .blog-badge-news { background: #ffaa00; }
-.blog-section-dark .blog-badge-default { background: #a78bfa; }
+.blog-section-dark .blog-badge-default { background: #a78bfa; }
+
+/* ---- Spinning Up Widget ---- */
+.spinning-up {
+  background: #0d1b2e;
+  padding: 3rem 0;
+  text-align: center;
+}
+.spinning-card {
+  display: inline-block;
+  background: rgba(201,162,39,0.08);
+  border: 1px solid rgba(201,162,39,0.25);
+  border-radius: var(--radius-lg);
+  padding: 2rem;
+  max-width: 600px;
+}
+.spinning-card i {
+  color: var(--brass);
+  font-size: 3rem;
+  margin-bottom: 1.25rem;
+  display: block;
+}
+.spinning-card h3 {
+  color: #fff;
+  font-size: 1.6rem;
+  margin-bottom: 0.75rem;
+}
+.spinning-card p {
+  color: rgba(255,255,255,0.7);
+  margin: 0 0 0.75rem 0;
+}
+.spinning-note {
+  font-size: 0.9rem;
+  color: var(--brass);
+}