feat: align figma browse and category sections

src/pages/Home/index.tsx

@@ -26,6 +26,8 @@ export function Home() {
   const [latest, setLatest] = useState<PostBackedResource[]>([]);
   const [err, setErr] = useState<string | null>(null);
   const recRowRef = useRef<HTMLDivElement>(null);
+  const categoryRowRef = useRef<HTMLDivElement>(null);
+  const [activeCategoryPage, setActiveCategoryPage] = useState(0);
   const [canScrollRec, setCanScrollRec] = useState(false);
   const [recScroll, setRecScroll] = useState({ ratio: 1, progress: 0 });
 
@@ -58,6 +60,31 @@ export function Home() {
   const iconKeyForResource = (r: PostBackedResource) =>
     cats.find((c) => c.id === r.categoryId)?.iconKey ?? "folder";
 
+  const categoryPages: Category[][] = [];
+  for (let index = 0; index < cats.length; index += 9) {
+    categoryPages.push(cats.slice(index, index + 9));
+  }
+
+  useEffect(() => {
+    const row = categoryRowRef.current;
+    if (!row) return;
+
+    const update = () => {
+      const width = row.clientWidth || 1;
+      const next = Math.round(row.scrollLeft / width);
+      setActiveCategoryPage((prev) => (prev === next ? prev : next));
+    };
+
+    update();
+    row.addEventListener("scroll", update, { passive: true });
+    return () => row.removeEventListener("scroll", update);
+  }, [cats.length]);
+
+  useEffect(() => {
+    setActiveCategoryPage(0);
+    categoryRowRef.current?.scrollTo({ left: 0 });
+  }, [lang]);
+
   useEffect(() => {
     const row = recRowRef.current;
     if (!row) {
@@ -113,7 +140,70 @@ export function Home() {
           viewAllTo="/browse"
           viewAllLabel={t("viewAll")}
         />
-        <div className="mt-7 grid grid-cols-3 gap-3 min-[440px]:gap-3.5 md:grid-cols-5 md:gap-3 lg:grid-cols-6 xl:grid-cols-7 xl:gap-4">
+
+        <div className="md:hidden">
+          <div
+            ref={categoryRowRef}
+            className="flex snap-x snap-mandatory overflow-x-auto overflow-y-hidden scroll-smooth [-ms-overflow-style:none] [scrollbar-width:none] [&::-webkit-scrollbar]:hidden"
+            aria-label={t("categorySection")}
+          >
+            {categoryPages.map((page, pageIndex) => (
+              <div
+                key={`category-page-${pageIndex}`}
+                className="grid w-full shrink-0 snap-start grid-cols-3 gap-2"
+              >
+                {page.map((c) => (
+                  <Link
+                    key={c.id}
+                    to={`/category/${c.slug}`}
+                    className="group flex h-[88px] min-w-0 flex-col items-center justify-center gap-2 rounded-xl bg-[#1D1E23] px-4 py-3 text-center transition hover:bg-[#252630] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ark-gold/80 focus-visible:ring-offset-2 focus-visible:ring-offset-ark-bg"
+                  >
+                    <CategoryIcon
+                      iconKey={c.iconKey}
+                      categorySlug={c.slug}
+                      className="h-9 w-9 shrink-0 text-ark-gold"
+                    />
+                    <div className="w-full truncate text-[13px] font-medium leading-[19.5px] text-white">
+                      {c.name}
+                    </div>
+                  </Link>
+                ))}
+              </div>
+            ))}
+          </div>
+
+          {categoryPages.length > 1 ? (
+            <div
+              className="flex h-[30px] items-center justify-center gap-1.5"
+              aria-label="Category pagination"
+            >
+              {categoryPages.map((_, index) => (
+                <button
+                  key={`category-dot-${index}`}
+                  type="button"
+                  aria-label={`Go to category page ${index + 1}`}
+                  aria-current={activeCategoryPage === index}
+                  onClick={() => {
+                    const row = categoryRowRef.current;
+                    if (!row) return;
+                    row.scrollTo({
+                      left: row.clientWidth * index,
+                      behavior: "smooth",
+                    });
+                    setActiveCategoryPage(index);
+                  }}
+                  className={`h-1.5 rounded-full transition-all ${
+                    activeCategoryPage === index
+                      ? "w-6 bg-ark-gold"
+                      : "w-1.5 bg-[#7C7C7C]"
+                  }`}
+                />
+              ))}
+            </div>
+          ) : null}
+        </div>
+
+        <div className="mt-7 hidden grid-cols-3 gap-3 min-[440px]:gap-3.5 md:grid md:grid-cols-5 md:gap-3 lg:grid-cols-6 xl:grid-cols-7 xl:gap-4">
           {cats.map((c) => {
             const { line1, line2 } = categoryCardLines(c.name);
             return (