/* Каталог: заголовок, фильтры, сетка (module: catalog).
   SW: фильтры = штатный фильтр витрины по характеристикам ($filters), js/catalog.js только улучшает UX */
.cat-head {
  padding: 22px 0 8px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
}
.cat-head h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.05;
}
.cat-head p {
  color: var(--muted);
  margin-top: 10px;
  font-size: 16px;
}
.filters {
  background: var(--card);
  border-radius: 20px;
  padding: 20px 22px;
  margin: 22px 0 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
.filters .row {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.filters .lbl {
  flex: 0 0 110px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.chip {
  border: 1.5px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 8px 15px;
  font: 600 14px/1 "Onest";
  cursor: pointer;
  color: var(--ink);
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.chip:hover {
  border-color: var(--ink);
}
.chip.on {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.chip.dis {
  opacity: 0.35;
}
.filters select {
  font: 600 14px "Onest";
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 9px 16px;
  background: #fff;
  color: var(--ink);
}
.filters .found {
  margin-left: auto;
  color: var(--muted);
  font-size: 14px;
}
.filters .found b {
  color: var(--ink);
}
.grid-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-bottom: 20px;
}
.grid-cards .card[hidden] {
  display: none;
}
.stock-toggle {
  margin: -6px 0 18px;
  color: var(--muted);
  font-size: 14px;
}
.stock-toggle a {
  color: var(--red);
  font-weight: 600;
}
.empty {
  display: none;
  text-align: center;
  padding: 60px 0;
  color: var(--muted);
}
.empty.on {
  display: block;
}
.empty a {
  color: var(--red);
  font-weight: 600;
}
@media (max-width: 1100px) {
  .grid-cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .cat-head h1 { font-size: 28px; }
  .filters { padding: 16px; border-radius: 16px; margin: 16px 0 18px; }
  .filters .lbl { flex-basis: 100%; }
  .filters .row { gap: 8px; }
  .chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    flex: 0 0 100%;
    min-width: 0;
    width: 100%;
    padding-bottom: 2px;
    scrollbar-width: none;
  }
  .chip { white-space: nowrap; }
  .filters .found { margin-left: 0; }
  .grid-cards {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .grid-cards .card {
    flex: none;
    padding: 8px 8px 14px;
    border-radius: 16px;
  }
  .grid-cards .card .body { padding: 12px 4px 0; }
  .grid-cards .card h4 { font-size: 14px; }
  .grid-cards .card .spec { font-size: 12px; gap: 4px; }
  .grid-cards .card .spec span + span::before { margin-right: 4px; }
  .grid-cards .card .buy { flex-direction: column; align-items: stretch; gap: 10px; }
  .grid-cards .card .buy .price { font-size: 16px; }
  .grid-cards .card .buy .btn { width: 100%; height: 42px; padding: 0; }
  .grid-cards .card .colors { margin-top: 8px; }
}