.storefront-shell {
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  gap:30px;
  align-items:start;
  margin-block:28px 48px;
}
.shop-sidebar,.shop-content {min-width:0}
.shop-sidebar {display:grid;gap:20px}
.sidebar-filters>summary,.catalog-filter-panel>summary {display:none}
.shop-content .wrap {width:100%;max-width:none;margin-inline:0}
.shop-content .hero {margin-top:0;min-height:470px}
.shop-content .hero-copy {min-width:0;padding:36px 30px}
.shop-content .hero-copy h1 {font-size:clamp(2.5rem,3.7vw,3.65rem);overflow-wrap:anywhere}
.shop-content .hero-actions {flex-wrap:wrap;gap:16px}
.shop-content .product-grid {grid-template-columns:repeat(3,minmax(0,1fr))}
.shop-content .catalog-layout {grid-template-columns:minmax(0,1fr)}
.shop-content .section-head {flex-wrap:wrap}
.shop-content .detail {grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
.shop-content .detail h1 {font-size:clamp(1.8rem,3vw,2.8rem)}
.shop-content .cart-layout {grid-template-columns:minmax(0,1fr) 290px;gap:24px}
.category-panel {border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);overflow:hidden}
.category-panel>summary {display:flex;align-items:center;gap:12px;list-style:none;font-size:.85rem;font-weight:700;padding:18px;background:var(--accent);color:var(--on-accent);cursor:pointer}
.category-panel>summary::-webkit-details-marker {display:none}
.panel-chevron {margin-left:auto;transition:transform .15s}
.category-panel[open] .panel-chevron {transform:rotate(180deg)}
.category-panel nav {padding:8px}
.category-panel nav a {display:flex;align-items:center;gap:12px;padding:14px 10px;min-height:48px;border-radius:calc(var(--radius)/2);font-size:.78rem}
.category-panel nav a+a {border-top:1px solid var(--line)}
.category-panel nav a .icon {flex:0 0 19px;color:var(--accent);width:19px;height:19px}
.category-panel nav a span {overflow-wrap:anywhere}
.category-panel nav a small {margin-left:auto;color:var(--muted);font-size:.65rem}
.category-panel nav a:hover,.category-panel nav a[aria-current=page] {background:var(--surface);font-weight:700}
.sidebar-note {border:1px solid var(--line);padding:18px;border-radius:var(--radius);font-size:.76rem;color:var(--muted);line-height:1.7}
.sidebar-note a {display:inline-block;margin-top:12px;color:var(--ink)}
.filter-box {padding:20px;border:1px solid var(--line);background:var(--bg);border-radius:var(--radius);min-width:0}
.filter-title {padding-bottom:18px;border-bottom:1px solid var(--line)}
.filter-title h2 {font-size:1.1rem}
.filter-title span {font-size:.68rem;color:var(--muted);display:block;margin-top:6px}
.filter-box fieldset {padding:18px 0;margin:0;border:0;border-bottom:1px solid var(--line);min-width:0}
.filter-box legend {padding-top:20px;font-size:.78rem;font-weight:700}
.filter-box .filter-check {display:flex;align-items:center;gap:8px;font-size:.78rem;margin:0}
.filter-box input[type=checkbox],.filter-box input[type=radio] {accent-color:var(--accent);width:17px;height:17px;flex:0 0 17px}
.filter-box .filter-options {margin:0}
.filter-box .filter-options label {line-height:1.5;align-items:start}
.price-range {display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}
.price-range label,.field-filters label {display:grid;gap:7px;font-size:.65rem;color:var(--muted);min-width:0}
.filter-box input[type=number],.filter-box select {width:100%;min-width:0;padding:10px 8px;min-height:42px;background:var(--surface);border:1px solid var(--line);border-radius:calc(var(--radius)/2);color:var(--ink);font:inherit;font-size:.78rem}
.filter-box input[type=number] {appearance:textfield;-moz-appearance:textfield}
.filter-box input::-webkit-inner-spin-button,.filter-box input::-webkit-outer-spin-button {appearance:none;margin:0}
.filter-box input::placeholder {color:var(--muted)}
.field-filters {border-bottom:1px solid var(--line)}
.field-filters>summary {font-size:.78rem;font-weight:700;cursor:pointer;min-height:50px;display:flex;align-items:center;gap:10px;list-style:none}
.field-filters>summary::-webkit-details-marker {display:none}
.field-filters>summary:before {content:'+';font-weight:400;font-size:1.2rem}
.field-filters[open]>summary:before {content:'−'}
.field-filters>summary span {color:var(--muted);margin-left:auto;font-weight:400}
.field-filters>div {display:grid;gap:14px;padding-bottom:18px}
.filter-box .filter-apply {width:100%;min-height:44px;margin-top:20px;padding:12px 8px;font-size:.72rem;white-space:normal}
.filter-reset {width:100%;min-height:44px;background:none;color:var(--muted);font:inherit;font-size:.73rem;border:0;cursor:pointer;margin-top:4px}
.filter-reset:hover {color:var(--ink)}
.filter-error {font-size:.7rem;margin-top:10px;line-height:1.5;color:var(--ink)}
.stock-note {display:flex;align-items:center;gap:6px;font-size:.68rem;color:var(--muted);margin-top:10px}
.stock-note:before {content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 6px}
.stock-note[data-stock=empty]:before {background:var(--muted)}
.catalog-layout .filters {padding:0;border:0;background:none}
@media(max-width:1200px) {
  .storefront-shell {grid-template-columns:220px minmax(0,1fr);gap:22px}
  .shop-content .hero-copy {padding:28px 22px}
  .shop-content .hero-copy h1 {font-size:2.6rem}
  .shop-content .product-grid {grid-template-columns:repeat(2,minmax(0,1fr))}
  .shop-content .cart-layout {grid-template-columns:minmax(0,1fr)}
  .shop-content .benefits {gap:20px}
  .shop-content .benefit {gap:10px}
  .shop-content .categories {grid-template-columns:repeat(2,minmax(0,1fr))}
  .shop-content .hero {min-height:0;grid-template-columns:1fr}
  .shop-content .hero-art {min-height:340px;margin:0;border-radius:var(--radius)}
  .shop-content .hero-art img {object-position:75% center}
  .shop-content .hero-art {order:0}
  .shop-content .detail {grid-template-columns:minmax(0,1fr)}
}
@media(max-width:900px) {
  .storefront-shell {display:block;margin-top:20px}
  .shop-sidebar {margin-bottom:24px;gap:12px}
  .sidebar-filters>summary,.catalog-filter-panel>summary {display:flex;justify-content:space-between;align-items:center;padding:15px 18px;border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;background:var(--surface);font-size:.85rem;font-weight:700;list-style:none}
  .sidebar-filters>summary::-webkit-details-marker,.catalog-filter-panel>summary::-webkit-details-marker {display:none}
  .sidebar-filters[open]>summary,.catalog-filter-panel[open]>summary {margin-bottom:12px}
  .shop-sidebar .category-panel {width:100%}
  .category-panel nav {display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .shop-sidebar .sidebar-note {display:none}
  .shop-content .hero-copy h1 {font-size:clamp(2.65rem,7vw,3.8rem)}
}
@media(max-width:760px) {
  .catalog-layout .filters {width:100%}
  .catalog-layout {gap:24px}
  .shop-content .hero-art {min-height:285px}
  .shop-content .hero-copy {padding:30px 24px 32px}
  .category-panel nav {grid-template-columns:minmax(0,1fr)}
  .shop-content .product-grid {grid-template-columns:repeat(2,minmax(0,1fr))}
  .shop-content .detail {grid-template-columns:minmax(0,1fr)}
}