/* ==============================================================================
   catalog.css — Layout del catálogo: breadcrumbs, sidebar, toolbar y modal
   (las tarjetas .prod-card ya vienen de home.css / style.css)
   ============================================================================== */

.breadcrumbs { padding-top: calc(var(--nav-h) + 1.2rem); font-size: .88rem; color: var(--gray-light); }
.breadcrumbs a:hover { color: var(--accent-dark); }
.breadcrumbs span[aria-current] { color: var(--text); font-weight: 600; }

.catalog-head { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-top: .6rem; }
.catalog-head__count { color: var(--gray-light); font-size: .95rem; }

/* ---------- Layout sidebar + resultados ---------- */
.catalog-layout {
  display: grid; grid-template-columns: 260px 1fr; gap: 2.2rem;
  align-items: start; padding-top: 1.4rem; padding-bottom: 4rem;
}
.catalog-main { min-width: 0; }

/* ---------- Sidebar ---------- */
.filters {
  background: #fff; border: 1px solid var(--bg-alt); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.4rem; position: sticky; top: calc(var(--nav-h) + 1rem);
}
.filters__group { padding-bottom: 1.2rem; margin-bottom: 1.2rem; border-bottom: 1px solid var(--bg-alt); }
.filters__group:last-of-type { border-bottom: 0; }
.filters__group h4, .filters__group > label:first-child { font-size: .95rem; margin-bottom: .7rem; display: block; }
.filters__group input[type="search"], .filters__group input[type="number"] {
  width: 100%; padding: .55rem .8rem; border: 1px solid var(--gray-light);
  border-radius: 8px; font-family: inherit; font-size: .92rem;
}
.filters__group input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.filters__list li { margin-bottom: .45rem; }
.filters__list label { display: flex; align-items: center; gap: .55rem; font-size: .92rem; cursor: pointer; }
.filters__list input[type="checkbox"], .filters__list input[type="radio"] { accent-color: var(--accent); width: 16px; height: 16px; }
.filters__list em { margin-left: auto; font-style: normal; font-size: .78rem; color: var(--gray-light); background: var(--bg-alt); border-radius: 999px; padding: .05rem .5rem; }
.filters__list .is-root > label { font-weight: 700; }
.filters__list .is-child { padding-left: 1.2rem; }
.filters__range { display: flex; align-items: center; gap: .5rem; }
.filters__range span { color: var(--gray-light); }
.filters__actions { display: grid; gap: .6rem; }
.filters-toggle { display: none; }

/* ---------- Toolbar ---------- */
.catalog-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.4rem; }
.sort { display: flex; align-items: center; gap: .6rem; font-size: .9rem; color: var(--gray); }
.sort select {
  padding: .5rem .8rem; border: 1px solid var(--gray-light); border-radius: 8px;
  font-family: inherit; font-size: .9rem; background: #fff;
}

/* ---------- Paginación ---------- */
.pagination { margin-top: 2.4rem; }
.pagination ul { display: flex; gap: .45rem; justify-content: center; flex-wrap: wrap; }
.pagination a {
  display: grid; place-items: center; min-width: 40px; height: 40px; padding: 0 .6rem;
  border: 1px solid var(--gray-light); border-radius: 8px; font-weight: 600; font-size: .92rem;
  transition: var(--transition);
}
.pagination a:hover { border-color: var(--accent); color: var(--accent-dark); }
.pagination li.active a { background: var(--accent); border-color: var(--accent); color: #111; }

/* ---------- Estado vacío ---------- */
.catalog-empty { text-align: center; padding: 4rem 1rem; background: var(--bg-alt); border-radius: var(--radius); }
.catalog-empty h3 { margin-bottom: .5rem; }
.catalog-empty p { color: var(--gray); margin-bottom: 1.4rem; }

/* ---------- Modal vista rápida ---------- */
.qv-modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; visibility: hidden; }
.qv-modal.open { visibility: visible; }
.qv-modal__backdrop { position: absolute; inset: 0; background: rgba(10,12,18,.72); opacity: 0; transition: opacity .25s; }
.qv-modal.open .qv-modal__backdrop { opacity: 1; }
.qv-modal__box {
  position: relative; background: #fff; border-radius: var(--radius); max-width: 480px; width: 92%;
  padding: 1.8rem; box-shadow: var(--shadow-lg); text-align: center;
  transform: translateY(18px) scale(.97); opacity: 0; transition: .25s ease;
}
.qv-modal.open .qv-modal__box { transform: none; opacity: 1; }
.qv-modal__close {
  position: absolute; top: .6rem; right: .8rem; background: none; border: 0;
  font-size: 1.6rem; line-height: 1; color: var(--gray);
}
.qv-modal__img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 8px; margin-bottom: 1.1rem; }
.qv-modal__name { font-size: 1.15rem; margin-bottom: .3rem; }
.qv-modal__specs { font-size: .85rem; color: var(--accent-dark); font-weight: 700; margin-bottom: .6rem; }
.qv-modal__desc { font-size: .92rem; color: var(--gray); margin-bottom: 1.3rem; }

/* ---------- Skeleton loading (AJAX) ---------- */
.catalog-grid.is-loading { opacity: .45; pointer-events: none; transition: opacity .2s; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .filters {
    position: fixed; inset: var(--nav-h) auto 0 0; width: min(320px, 88vw); z-index: 150;
    border-radius: 0; overflow-y: auto; transform: translateX(-105%); transition: transform .3s ease;
  }
  .filters.open { transform: none; }
  .filters-toggle { display: inline-flex; }
  .catalog-toolbar { justify-content: flex-start; }
}