/* =============================================
   CATALOG — Página de inventario / catálogo
============================================= */

/* ── Header catálogo ── */
.catalog-hero {
  background: var(--bg-dark);
  padding: 100px 0 50px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}
.catalog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,196,180,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,196,180,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}
.catalog-hero::after {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(0,196,180,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.catalog-hero-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.catalog-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  margin: 8px 0 4px;
}
.catalog-hero p { color: var(--text-muted); font-size: 0.95rem; }
#catalog-count {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0,207,197,0.1);
  border: 1px solid rgba(0,207,197,0.2);
  border-radius: 999px;
  padding: 5px 14px;
}

/* ── Filtros ── */
.catalog-filters {
  background: var(--bg-dark);
  position: sticky;
  top: 68px;
  z-index: 90;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 14px 0;
}
.filters-inner {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.filters-inner::-webkit-scrollbar { display: none; }
.cat-filter-btn { white-space: nowrap; }
.cat-filter-btn {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.15);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.cat-filter-btn:hover  { border-color: var(--accent); color: var(--accent); }
.cat-filter-btn.active { background: var(--accent); border-color: var(--accent); color: #0a1628; }

/* ── Grid de productos ── */
.catalog-section { background: var(--bg-body); padding: 50px 0 80px; }
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 30px;
}

/* ── Card ── */
.prod-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.22s, border-color 0.22s, box-shadow 0.22s;
  position: relative;
}
.prod-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #009E96);
  opacity: 0;
  transition: opacity 0.22s;
  z-index: 2;
}
.prod-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0,196,180,0.35);
  box-shadow: 0 16px 44px rgba(0,196,180,0.12), 0 4px 16px rgba(0,0,0,0.3);
}
.prod-card:hover::before { opacity: 1; }
.prod-img-wrap {
  position: relative;
  background: #0d1a2e;
  height: 210px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.prod-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 16px;
  transition: transform 0.3s;
}
.prod-card:hover .prod-img-wrap img { transform: scale(1.04); }
.prod-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--accent);
  color: #0a1628;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  z-index: 1;
}
.prod-info  { padding: 16px; display: flex; flex-direction: column; gap: 6px; }
.prod-cat-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.prod-nombre {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.prod-specs {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.prod-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  gap: 10px;
}
.prod-precio { font-size: 1.1rem; font-weight: 900; color: var(--accent); }
.btn-wa-card {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #25d366;
  color: #fff;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s, transform 0.15s;
  flex-shrink: 0;
}
.btn-wa-card:hover { background: #1ebe5a; transform: scale(1.04); }

/* ── Precios con oferta ── */
.prod-badge-oferta { background: #EF4444 !important; color: #fff !important; }

/* Stock badges en tarjeta */
.prod-stock-badge {
  position: absolute;
  bottom: 10px; left: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
  letter-spacing: 0.03em;
}
.prod-stock-last { background: #EF4444; color: #fff; }
.prod-stock-low  { background: #F59E0B; color: #000; }

/* Stock en modal */
.modal-stock {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}
.modal-stock-last { background: rgba(239,68,68,0.12); color: #EF4444; border: 1px solid rgba(239,68,68,0.25); }
.modal-stock-low  { background: rgba(245,158,11,0.12); color: #F59E0B; border: 1px solid rgba(245,158,11,0.25); }
.modal-stock-ok   { background: rgba(34,197,94,0.10);  color: #22C55E; border: 1px solid rgba(34,197,94,0.2); }

.prod-precio-wrap { display: flex; flex-direction: column; gap: 1px; }
.prod-precio-old  {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 500;
  line-height: 1.2;
}

.modal-precio-wrap { display: flex; flex-direction: column; gap: 6px; }
.modal-precio-old  {
  font-size: 1.1rem;
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 500;
}
.modal-oferta-tag {
  display: inline-block;
  background: #EF4444;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 100px;
  letter-spacing: 0.06em;
  vertical-align: middle;
  margin-left: 8px;
}

/* ── Toolbar: marcas + sort ── */
.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 28px 0 0;
  flex-wrap: wrap;
}
.marca-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}
.marca-filter-btn {
  padding: 6px 15px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  white-space: nowrap;
}
.marca-filter-btn:hover  { border-color: var(--accent); color: var(--accent); }
.marca-filter-btn.active {
  background: rgba(0,207,197,0.1);
  border-color: var(--accent);
  color: var(--accent);
}
.sort-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  padding: 8px 38px 8px 18px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s, color 0.2s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 4.5L11 1' stroke='%2300CFC5' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  min-width: 185px;
  flex-shrink: 0;
}
.sort-select:hover,
.sort-select:focus { border-color: var(--accent); color: #fff; }
.sort-select option { background: #0d1a2e; color: #fff; }

/* ── Estados ── */
.catalog-loading,
.catalog-error,
.catalog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
  font-size: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.catalog-loading i { font-size: 2rem; color: var(--accent); }
.catalog-empty  i  { font-size: 3rem; color: rgba(255,255,255,0.15); }

/* ── MODAL ── */
#prod-modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 12, 28, 0.88);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
#prod-modal.open { display: flex; }

.modal-box {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalIn 0.25s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

#modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: rgba(255,255,255,0.08);
  border: none;
  color: #fff;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  transition: background 0.2s;
}
#modal-close:hover { background: rgba(255,255,255,0.16); }

.modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

/* Galería */
.modal-gallery {
  background: #0d1a2e;
  border-radius: 20px 0 0 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-main-img-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  padding: 24px;
}
.modal-main-img-wrap img {
  max-width: 100%;
  max-height: 380px;
  object-fit: contain;
  transition: opacity 0.2s;
}
.modal-thumbs {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.25);
  overflow-x: auto;
  flex-shrink: 0;
}
.modal-thumbs .thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.modal-thumbs .thumb:hover,
.modal-thumbs .thumb.active { opacity: 1; border-color: var(--accent); }

/* Detalles */
.modal-details {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
  background: linear-gradient(160deg, var(--navy-mid) 0%, var(--navy) 100%);
  border-radius: 0 20px 20px 0;
}
.modal-nombre { font-size: 1.5rem; font-weight: 900; color: #fff; line-height: 1.25; margin: 0; }
.modal-precio {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  text-shadow: 0 0 20px rgba(0,207,197,0.3);
}
.modal-desc {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.6;
  background: rgba(255,255,255,0.04);
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
}

.modal-specs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 16px;
}
.spec-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.spec-item:last-child { border-bottom: none; padding-bottom: 0; }
.spec-item i {
  color: var(--accent);
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}
.spec-item span { display: flex; flex-direction: column; gap: 1px; }
.spec-item b {
  color: rgba(255,255,255,0.5);
  font-weight: 600;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.spec-item span > *:not(b) { color: #fff; font-size: 0.9rem; font-weight: 500; }

.modal-wa-btn {
  margin-top: auto;
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 16px;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .modal-body         { grid-template-columns: 1fr; }
  .modal-gallery      { border-radius: 20px 20px 0 0; }
  .modal-main-img-wrap { min-height: 240px; }
  .modal-details      { padding: 24px 20px; border-radius: 0 0 20px 20px; }
  .modal-nombre       { font-size: 1.25rem; }
  .modal-precio       { font-size: 1.65rem; white-space: nowrap; }
  .catalog-grid       { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
}
@media (max-width: 480px) {
  .catalog-grid  { grid-template-columns: 1fr 1fr; gap: 12px; }
  .prod-img-wrap { height: 160px; }
  .prod-info     { padding: 12px; gap: 4px; }
  .prod-nombre   { font-size: 0.85rem; }
  .prod-footer   { flex-direction: column; align-items: stretch; gap: 8px; margin-top: 8px; }
  .prod-precio   { font-size: 1rem; font-weight: 900; }
  .btn-wa-card   { width: 100%; justify-content: center; padding: 9px 12px; font-size: 0.78rem; }
}