.catalog {
  padding: 1.5rem 1rem;
}

.catalog-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.25rem;
}
@media (max-width: 991.98px) {
  .catalog-grid { grid-template-columns: 1fr; }
}

.catalog-filters-toggle {
  width: 100%;
  margin-bottom: 0.75rem;
  font-weight: 600;
}
.catalog-filters-toggle::after {
  content: "▾";
  margin-left: 0.4rem;
  display: inline-block;
  transition: transform 0.18s ease;
}
.catalog-filters-toggle[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.catalog-sidebar {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 1.1rem 1rem;
  position: sticky;
  top: 1rem;
  height: fit-content;
}
@media (max-width: 991.98px) {
  .catalog-sidebar {
    position: static;
    margin-bottom: 0.75rem;
  }
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.sidebar-title { font-weight: 600; }
.sidebar-clear { color: #dc3545; font-size: 0.8rem; text-decoration: none; }

.filter-group {
  padding: 0.65rem 0;
  border-bottom: 1px solid #f0f0f0;
}
.filter-group:last-of-type { border-bottom: none; }

.filter-group-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6b7280;
  margin-bottom: 0.4rem;
}

.filter-radio, .filter-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.18rem 0;
  font-size: 0.875rem;
  color: #374151;
  user-select: none;
}
.filter-radio input, .filter-check input {
  cursor: pointer;
  accent-color: var(--pxf-primary);
}

.filter-scroll {
  max-height: 180px;
  overflow-y: auto;
  scrollbar-width: thin;
}
.filter-scroll::-webkit-scrollbar { width: 4px; }
.filter-scroll::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 2px; }

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.results-title { margin: 0; font-weight: 700; }
.results-count { color: #6c757d; font-size: 0.85rem; }

.vehicle-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1fr;
}
@media (min-width: 576px) {
  .vehicle-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .vehicle-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 992px) {
  .vehicle-grid { grid-template-columns: repeat(4, 1fr); }
}

.vehicle-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: block;
  overflow: hidden;
}
.vehicle-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}
.vehicle-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.vehicle-card-img-default {
  background: #f1f3f5;
  object-fit: cover;
  filter: grayscale(0.15);
}
.vehicle-card-head {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}
.vehicle-card-title { margin: 0; font-weight: 600; font-size: 0.95rem; }
.vehicle-card-meta { color: #6c757d; font-size: 0.8rem; margin-bottom: 0.4rem; }
.vehicle-card-price { font-weight: 700; color: #212529; }

.results-empty {
  text-align: center;
  padding: 3rem 0;
  color: #6c757d;
}