a.nsi-category-active {
  border-color: #cc0000 !important;
  background: #fff7f7 !important;
  box-shadow: 0 0 0 2px rgba(204, 0, 0, .12), 0 8px 22px rgba(15, 23, 42, .08) !important;
  transform: translateY(-2px);
}
a.nsi-category-active .text-sm, a.nsi-category-active .text-xs { color: #9f0000 !important; }
.nsi-category-section > div:first-child { display: none !important; }
.nsi-category-products-host {
  display: block !important;
  overflow: visible !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}
.nsi-category-products-host > :not(.nsi-category-products) { display: none !important; }
.nsi-category-products {
  display: grid !important; grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: 18px !important; overflow: visible !important; border: 0 !important;
  border-radius: 0 !important; background: transparent !important; box-shadow: none !important;
}
.nsi-category-product-card {
  display: flex; min-width: 0; min-height: 440px; flex-direction: column; overflow: hidden;
  border: 1px solid #e5e7eb; border-radius: 14px; background: #fff;
  box-shadow: 0 5px 18px rgba(15, 23, 42, .06);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.nsi-category-product-card:hover { border-color: #cc0000; box-shadow: 0 12px 28px rgba(15, 23, 42, .1); transform: translateY(-2px); }
.nsi-category-product-image { display: flex; height: 210px; align-items: center; justify-content: center; padding: 16px; background: #fff; }
.nsi-category-product-image img { width: 100%; height: 100%; object-fit: contain; }
.nsi-category-product-body { display: flex; flex: 1; flex-direction: column; padding: 16px; border-top: 1px solid #f1f5f9; }
.nsi-category-product-brand { margin-bottom: 5px; color: #cc0000; font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.nsi-category-product-title {
  display: -webkit-box; overflow: hidden; color: #111827; font-size: 15px; font-weight: 800;
  line-height: 1.35; text-decoration: none; -webkit-box-orient: vertical; -webkit-line-clamp: 2;
}
.nsi-category-product-title:hover { color: #cc0000; }
.nsi-category-product-specs {
  display: -webkit-box; overflow: hidden; margin-top: 8px; color: #64748b; font-size: 12px;
  line-height: 1.45; -webkit-box-orient: vertical; -webkit-line-clamp: 2;
}
.nsi-category-product-stock { margin-top: 10px; color: #15803d; font-size: 11px; font-weight: 700; }
.nsi-category-product-footer { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 14px; }
.nsi-category-product-price { color: #111827; font-size: 20px; font-weight: 900; white-space: nowrap; }
.nsi-category-product-monthly { margin-top: 2px; color: #64748b; font-size: 10px; }
.nsi-category-product-button {
  display: inline-flex; flex: 0 0 auto; align-items: center; justify-content: center; min-height: 38px;
  padding: 9px 14px; border-radius: 8px; background: #cc0000; color: #fff !important;
  font-size: 12px; font-weight: 800; text-decoration: none;
}
.nsi-category-product-button:hover { background: #a80000; }
.nsi-category-all-card {
  display: flex; min-height: 440px; align-items: center; justify-content: center; flex-direction: column;
  gap: 10px; padding: 30px; border-radius: 14px; background: linear-gradient(145deg, #d60000 0%, #9f0000 100%);
  box-shadow: 0 12px 30px rgba(170, 0, 0, .22); color: #fff !important; text-align: center;
  text-decoration: none; transition: box-shadow .18s ease, transform .18s ease;
}
.nsi-category-all-card:hover { box-shadow: 0 18px 38px rgba(170, 0, 0, .3); transform: translateY(-2px); }
.nsi-category-all-card strong { max-width: 190px; font-size: 24px; font-weight: 900; line-height: 1.15; }
.nsi-category-all-card > span:last-child { color: rgba(255, 255, 255, .8); font-size: 13px; }
.nsi-category-all-icon {
  display: flex; width: 52px; height: 52px; align-items: center; justify-content: center;
  border: 1px solid rgba(255, 255, 255, .4); border-radius: 999px; background: rgba(255, 255, 255, .12); font-size: 30px;
}
.nsi-category-loading, .nsi-category-empty {
  display: flex; min-height: 220px; align-items: center; justify-content: center; grid-column: span 3;
  border: 1px dashed #cbd5e1; border-radius: 14px; background: #fff; color: #64748b; font-weight: 700; text-align: center;
}
.nsi-category-loading span {
  width: 22px; height: 22px; margin-right: 10px; border: 3px solid #fecaca;
  border-top-color: #cc0000; border-radius: 999px; animation: nsi-spin .7s linear infinite;
}
@keyframes nsi-spin { to { transform: rotate(360deg); } }
@media (max-width: 1050px) {
  .nsi-category-products { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .nsi-category-loading, .nsi-category-empty { grid-column: span 1; }
}
@media (max-width: 680px) {
  .nsi-category-products { grid-template-columns: 1fr !important; gap: 14px !important; }
  .nsi-category-product-card, .nsi-category-all-card { min-height: 0; }
  .nsi-category-product-image { height: 190px; }
  .nsi-category-all-card { min-height: 240px; }
}