send-gift: cuadrícula de objetos 4/fila centrada + paginación

Aplana el catálogo y lo pagina (8 por página = 2 filas de 4) con controles
Atrás / 1 2 3 / Siguiente centrados. Nuevas clases .gift-grid (grid 4 cols,
responsive a 2 en móvil) y .gift-pagination en novawow-style.css.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

web-next/components/SendGiftForm.tsx

@@ -65,6 +65,17 @@ export function SendGiftForm({
     [cart],
   )
 
+  // Catálogo aplanado y paginado: 4 objetos por fila, 2 filas (8) por página.
+  const PAGE_SIZE = 8
+  const allItems = useMemo(
+    () => catalog.flatMap((c) => c.items.map((it) => ({ ...it, category: c.name }))),
+    [catalog],
+  )
+  const [page, setPage] = useState(1)
+  const totalPages = Math.max(1, Math.ceil(allItems.length / PAGE_SIZE))
+  const currentPage = Math.min(page, totalPages)
+  const pageItems = allItems.slice((currentPage - 1) * PAGE_SIZE, currentPage * PAGE_SIZE)
+
   function addItem(item: GiftItem) {
     setCart((prev) => {
       const next = new Map(prev)
@@ -158,34 +169,45 @@ export function SendGiftForm({
         <SecretInput value={token} onChange={setToken} placeholder="Token de seguridad" />
         <hr />
 
-        {/* Catálogo de objetos */}
-        <div className="justified">
-          {catalog.map((cat) => (
-            <div key={cat.id}>
-              <h3 className="first-brown">{cat.name}</h3>
-              <div>
-                {cat.items.map((it) => (
-                  <div className="item-box" key={it.id}>
-                    <a
-                      href={`https://www.wowhead.com/wotlk/item=${it.itemId}`}
-                      target="_blank"
-                      rel="noreferrer noopener"
-                    >
-                      <img className="item-img-box" src={it.imageUrl} alt={it.name} />
-                    </a>
-                    <div className="item-name second-brown">{it.name}</div>
-                    <div className="yellow-info">
-                      {it.price} {currency}
-                    </div>
-                    <button type="button" className="store-add-button" onClick={() => addItem(it)}>
-                      Añadir
-                    </button>
-                  </div>
-                ))}
+        {/* Catálogo de objetos: cuadrícula centrada de 4 por fila + paginación */}
+        <h3 className="first-brown centered">Objetos disponibles</h3>
+        <div className="gift-grid">
+          {pageItems.map((it) => (
+            <div className="item-box" key={it.id}>
+              <a href={`https://www.wowhead.com/wotlk/item=${it.itemId}`} target="_blank" rel="noreferrer noopener">
+                <img className="item-img-box" src={it.imageUrl} alt={it.name} />
+              </a>
+              <div className="third-brown" style={{ fontSize: '12px' }}>{it.category}</div>
+              <div className="item-name second-brown">{it.name}</div>
+              <div className="yellow-info">
+                {it.price} {currency}
               </div>
+              <button type="button" className="store-add-button" onClick={() => addItem(it)}>
+                Añadir
+              </button>
             </div>
           ))}
         </div>
+        {totalPages > 1 && (
+          <div className="gift-pagination">
+            <button type="button" onClick={() => setPage((p) => Math.max(1, Math.min(totalPages, p) - 1))} disabled={currentPage === 1}>
+              Atrás
+            </button>
+            {Array.from({ length: totalPages }, (_, i) => i + 1).map((n) => (
+              <button
+                type="button"
+                key={n}
+                className={n === currentPage ? 'active-page' : ''}
+                onClick={() => setPage(n)}
+              >
+                {n}
+              </button>
+            ))}
+            <button type="button" onClick={() => setPage((p) => Math.min(totalPages, Math.min(totalPages, p) + 1))} disabled={currentPage === totalPages}>
+              Siguiente
+            </button>
+          </div>
+        )}
         <hr />
 
         {/* Carrito */}