/* ============================================================
   shop.css — Shop, Product Cards, Filters, Search
   Guangzhou Shimu Electronics Co., Ltd
   ============================================================ */

/* ── Shop layout ──────────────────────────────────────────── */
.shop-wrap {
  max-width: 1400px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  padding-block: 2.5rem;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 900px) {
  .shop-wrap { grid-template-columns: 1fr; }
}

/* ── Filters sidebar ──────────────────────────────────────── */
.filters-sidebar {
  position: sticky;
  top: 80px;
}
.filter-block {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1rem;
}
.filter-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--border);
  background: var(--gray-50);
}
.filter-block-title {
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray-700);
}
.filter-block-toggle { font-size: .75rem; color: var(--gray-300); transition: transform .2s; }
.filter-block.open .filter-block-toggle { transform: rotate(180deg); }
.filter-block-body { padding: 1rem 1.25rem; }

.filter-option {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .35rem 0;
  cursor: pointer;
  font-size: .875rem;
  color: var(--gray-500);
  transition: color var(--transition);
}
.filter-option:hover { color: var(--red); }
.filter-option input[type="checkbox"] { accent-color: var(--red); cursor: pointer; }
.filter-option-count {
  margin-left: auto;
  font-size: .72rem;
  color: var(--gray-300);
  background: var(--gray-100);
  padding: 1px 6px;
  border-radius: 99px;
}

/* Price range */
.price-range { display: flex; align-items: center; gap: .5rem; margin-top: .5rem; }
.price-range input { flex: 1; min-width: 0; }
.price-range span { font-size: .8rem; color: var(--gray-300); }

/* Active filters */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  margin-bottom: 1.25rem;
}
.filter-tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .25rem .75rem;
  background: var(--red-light);
  border: 1px solid var(--red-border);
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 700;
  color: var(--red);
  cursor: pointer;
  transition: background var(--transition);
}
.filter-tag:hover { background: var(--red-border); }
.filter-tag-x { font-size: .65rem; }

/* ── Shop main ────────────────────────────────────────────── */
.shop-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.shop-count {
  font-size: .825rem;
  color: var(--gray-500);
}
.shop-count strong { color: var(--gray-900); }

.shop-sort {
  display: flex;
  align-items: center;
  gap: .625rem;
  font-size: .825rem;
  color: var(--gray-500);
}
.shop-sort select {
  padding: .4rem .75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .825rem;
  background: var(--white);
  cursor: pointer;
}

.shop-view-btns { display: flex; gap: .25rem; }
.view-btn {
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  color: var(--gray-300);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.view-btn.active, .view-btn:hover {
  border-color: var(--red);
  color: var(--red);
  background: var(--red-light);
}

/* ── Product grid layouts ─────────────────────────────────── */
.prod-grid { display: grid; gap: 1.125rem; }
.prod-grid.grid-4 { grid-template-columns: repeat(4, 1fr); }
.prod-grid.grid-3 { grid-template-columns: repeat(3, 1fr); }
.prod-grid.grid-2 { grid-template-columns: repeat(2, 1fr); }
.prod-grid.grid-1 { grid-template-columns: 1fr; }

/* List view */
.prod-grid.list-view .prod-card {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  align-items: center;
}
.prod-grid.list-view .prod-img { aspect-ratio: auto; height: 160px; border-bottom: none; border-right: 1px solid #f0f0f0; }
.prod-grid.list-view .prod-body { padding: 1.25rem 1.5rem; }
.prod-grid.list-view .prod-atc-col { padding: 1.25rem; border-left: 1px solid #f0f0f0; display: flex; flex-direction: column; gap: .75rem; align-items: center; }

@media (max-width: 1100px) {
  .prod-grid.grid-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .prod-grid.grid-4,
  .prod-grid.grid-3 { grid-template-columns: repeat(2, 1fr); }
  .prod-grid.list-view .prod-card { grid-template-columns: 140px 1fr; }
  .prod-grid.list-view .prod-atc-col { display: none; }
}
@media (max-width: 480px) {
  .prod-grid { gap: .75rem; }
  .prod-grid.grid-4,
  .prod-grid.grid-3,
  .prod-grid.grid-2 { grid-template-columns: repeat(2, 1fr); }
}

/* ── Product detail page ──────────────────────────────────── */
.product-wrap {
  max-width: 1400px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  padding-block: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 860px) {
  .product-wrap { grid-template-columns: 1fr; gap: 2rem; }
}

.product-gallery { position: sticky; top: 80px; }
.product-main-img {
  background: #f7f7f7;
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
  border: 1.5px solid var(--border);
  overflow: hidden;
  margin-bottom: .875rem;
  cursor: zoom-in;
}
.product-main-img img { width: 80%; height: 80%; object-fit: contain; }
.product-thumbs {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}
.product-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border);
  background: #f7f7f7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: border-color var(--transition);
  overflow: hidden;
}
.product-thumb:hover,
.product-thumb.active { border-color: var(--red); }
.product-thumb img { width: 100%; height: 100%; object-fit: contain; }

/* Product info panel */
.product-info .prod-cat { font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--red); margin-bottom: .625rem; }
.product-info h1 {
  font-family: var(--font-cond);
  font-size: clamp(1.75rem, 3.5vw, 2.8rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -.02em;
  color: var(--gray-900);
  line-height: 1;
  margin-bottom: .875rem;
}
.product-price {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  margin-bottom: 1.25rem;
}
.product-price-main {
  font-family: var(--font-cond);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--gray-900);
}
.product-price-orig {
  font-size: 1rem;
  color: var(--gray-300);
  text-decoration: line-through;
}
.product-price-save {
  font-size: .8rem;
  font-weight: 800;
  color: #16a34a;
  background: #f0fdf4;
  padding: .2rem .65rem;
  border-radius: 99px;
}

.product-specs-table {
  width: 100%;
  margin-bottom: 1.5rem;
  font-size: .875rem;
}
.product-specs-table tr td:first-child {
  font-weight: 700;
  color: var(--gray-500);
  padding: .5rem .875rem .5rem 0;
  width: 40%;
  white-space: nowrap;
}
.product-specs-table tr td:last-child {
  color: var(--gray-700);
  padding: .5rem 0;
  font-family: var(--font-mono);
  font-size: .82rem;
}
.product-specs-table tr { border-bottom: 1px solid var(--border); }
.product-specs-table tr:last-child { border-bottom: none; }

.product-qty {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.qty-control {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: .25rem .35rem;
}
.qty-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), color var(--transition);
}
.qty-btn:hover { background: var(--red); color: var(--white); }
.qty-val {
  min-width: 32px;
  text-align: center;
  font-weight: 800;
  font-size: .95rem;
}
.stock-note {
  font-size: .78rem;
  color: var(--gray-300);
}
.stock-note.low { color: #f97316; font-weight: 700; }
.stock-note.out { color: var(--red); font-weight: 700; }

.product-actions { display: flex; gap: .75rem; flex-wrap: wrap; }

/* ── Search results ───────────────────────────────────────── */
.search-wrap {
  max-width: 1400px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  padding-block: 2.5rem;
}
.search-bar-row {
  display: flex;
  gap: .75rem;
  margin-bottom: 2rem;
}
.search-bar-row input {
  flex: 1;
  padding: .875rem 1.25rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition);
}
.search-bar-row input:focus { border-color: var(--red); }
.search-bar-row button {
  padding: .875rem 1.75rem;
  background: var(--gray-900);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition);
}
.search-bar-row button:hover { background: var(--red); }