:root { --blue:#0964ee; --ink:#202328; --muted:#70757d; --line:#e5e7eb; font-family:Arial,Helvetica,sans-serif; color:var(--ink); background:#fff; }
* { box-sizing:border-box; }
body { margin:0; }
a { color:inherit; text-decoration:none; }
button,input,select { font:inherit; }
button { cursor:pointer; }
button:disabled { cursor:default; opacity:.5; }
[hidden] { display:none !important; }
:focus-visible { outline:2px solid var(--blue); outline-offset:4px; }
.container { width:min(1200px,calc(100% - 64px)); margin-inline:auto; }
.utility { background:#f4f5f6; border-bottom:1px solid var(--line); font-size:12px; color:#666; }
.utility .container { min-height:34px; display:flex; justify-content:space-between; align-items:center; gap:16px; }
.utility a:hover,.footer-links a:hover { color:var(--blue); }
.header-inner { min-height:106px; display:grid; grid-template-columns:240px minmax(180px,520px) 1fr; align-items:center; gap:30px; }
.wordmark { display:inline-flex; align-items:baseline; font-size:32px; font-weight:800; color:var(--blue); white-space:nowrap; letter-spacing:0; }
.wordmark span { color:var(--ink); font-size:22px; font-weight:400; margin-left:4px; }
.wordmark b { color:var(--blue); }
.search { display:flex; align-items:center; border:1px solid #d8dce1; border-radius:4px; height:44px; background:#fafafa; }
.search:focus-within { border-color:var(--blue); }
.search input { width:100%; min-width:0; border:0; background:transparent; padding:12px 14px; outline:0; font-size:14px; }
.icon-button { width:42px; height:42px; flex-shrink:0; border:0; background:transparent; display:inline-grid; place-items:center; color:var(--ink); border-radius:4px; }
.icon-button:hover { background:#f0f2f5; }
svg { width:20px; height:20px; stroke-width:1.7; flex-shrink:0; }
.cart-toggle { justify-self:end; display:flex; align-items:center; gap:9px; border:0; background:transparent; padding:10px 0 10px 10px; font-size:14px; }
.cart-toggle b { display:grid; place-items:center; min-width:22px; height:22px; background:var(--blue); color:white; border-radius:50%; font-size:11px; }
.category-nav { border-block:1px solid var(--line); }
.category-nav .container { display:flex; gap:30px; overflow-x:auto; }
.category-nav button { border:0; border-bottom:2px solid transparent; background:none; padding:17px 0 15px; white-space:nowrap; color:#555b62; font-size:14px; }
.category-nav button.active { border-color:var(--blue); color:var(--blue); font-weight:bold; }
.category-nav button:hover { color:var(--blue); }
.breadcrumb { display:flex; gap:10px; color:#83878d; font-size:12px; padding:25px 0 30px; }
.breadcrumb span:last-child { color:#535960; }
.catalog { min-height:65vh; padding-bottom:64px; }
.catalog-layout { display:grid; grid-template-columns:185px minmax(0,1fr); gap:40px; }
.sidebar h2 { margin:4px 0 20px; font-size:15px; }
.sidebar button { width:100%; display:flex; align-items:center; justify-content:space-between; gap:8px; text-align:left; border:0; border-radius:3px; background:transparent; padding:12px 10px; font-size:13px; color:#575d65; }
.sidebar button.active { color:var(--blue); background:#edf4ff; font-weight:bold; }
.sidebar button:hover { background:#f3f5f7; }
.sidebar button small { font-size:11px; font-weight:normal; color:var(--muted); }
.availability { border-top:1px solid var(--line); padding-top:23px; margin-top:24px; font-size:13px; }
.availability label,.mobile-stock { display:flex; align-items:center; gap:7px; }
input[type=checkbox] { accent-color:var(--blue); width:15px; height:15px; margin:0; }
.listing { min-width:0; }
.listing-heading { display:flex; justify-content:space-between; align-items:center; gap:20px; margin-bottom:23px; padding-bottom:22px; border-bottom:1px solid var(--line); }
h1 { margin:0 0 9px; font-size:25px; font-weight:600; }
.listing-heading p { margin:0; font-size:12px; color:var(--muted); }
.sort { display:flex; gap:10px; align-items:center; font-size:12px; color:var(--muted); }
.sort select { width:190px; max-width:100%; padding:10px 8px; color:#454b52; background:white; border:1px solid var(--line); border-radius:3px; font-size:12px; }
.mobile-stock { display:none; }
.product-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; }
.product-card { min-width:0; border:1px solid var(--line); border-radius:4px; background:white; overflow:hidden; transition:border-color .15s; }
.product-card:hover { border-color:#aab8cd; }
.product-image { display:block; width:100%; aspect-ratio:1/1; padding:20px; background:#fff; border:0; border-bottom:1px solid #f0f1f3; }
.product-image img { width:100%; height:100%; object-fit:contain; }
.image-fallback { height:100%; display:flex; align-items:center; justify-content:center; flex-direction:column; color:#a0a5ac; gap:10px; font-size:12px; }
.image-fallback svg { width:40px; height:40px; }
.product-body { padding:17px; }
.product-category { font-size:11px; color:var(--muted); display:block; margin-bottom:8px; }
.product-name { display:block; border:0; padding:0; text-align:left; background:none; font-size:14px; line-height:1.55; font-weight:600; min-height:44px; width:100%; color:var(--ink); overflow-wrap:anywhere; }
.product-name:hover { color:var(--blue); }
.stock-label { display:block; color:#36835d; font-size:11px; margin:14px 0 9px; }
.stock-label.out { color:#8b8f96; }
.price { font-size:21px; font-weight:700; display:block; }
.tax-note { color:var(--muted); font-size:10px; display:block; margin:5px 0 16px; }
.add-button { display:flex; justify-content:center; align-items:center; gap:8px; width:100%; min-height:39px; border:1px solid #cbdcf7; border-radius:3px; color:var(--blue); background:#f3f7ff; font-size:12px; font-weight:600; }
.add-button:hover:not(:disabled) { background:var(--blue); color:white; border-color:var(--blue); }
.add-button svg { width:16px; height:16px; }
.empty-state { text-align:center; padding:70px 12px; color:var(--muted); font-size:14px; }
.empty-state>svg { width:30px; height:30px; }
.empty-state h2 { color:var(--ink); font-size:18px; }
.text-button { border:0; background:none; padding:8px 0; color:var(--blue); font-size:13px; text-decoration:underline; }
footer { border-top:1px solid var(--line); background:#fafafa; }
.footer-inner { display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:28px; padding-block:34px; }
footer .wordmark { font-size:24px; }
footer .wordmark span { font-size:18px; }
footer p,footer small { font-size:12px; color:var(--muted); }
.footer-links { display:flex; gap:24px; font-size:12px; }
dialog { border:1px solid var(--line); border-radius:6px; padding:28px; color:var(--ink); max-height:90dvh; overflow:auto; }
dialog::backdrop { background:rgba(0,0,0,.38); }
.dialog-close { position:absolute; right:10px; top:10px; z-index:1; }
.product-dialog { width:min(760px,calc(100% - 32px)); }
.detail-layout { display:grid; grid-template-columns:1fr 1fr; gap:32px; align-items:center; }
.detail-image { width:100%; aspect-ratio:1; object-fit:contain; }
.detail-layout h2 { font-size:22px; line-height:1.4; margin:12px 0; overflow-wrap:anywhere; }
.detail-layout p { font-size:14px; color:var(--muted); line-height:1.7; }
.detail-layout .add-button { margin-top:20px; }
.cart-dialog { width:min(480px,100%); height:100dvh; max-height:100dvh; margin:0 0 0 auto; border-radius:0; border:0; }
.dialog-heading { display:flex; justify-content:space-between; align-items:center; padding-bottom:16px; border-bottom:1px solid var(--line); }
.dialog-heading h2 { font-size:20px; margin:0; }
.cart-item { display:grid; grid-template-columns:64px 1fr auto; gap:12px; padding:20px 0; border-bottom:1px solid var(--line); }
.cart-item img { width:64px; height:64px; object-fit:contain; }
.cart-item h3 { font-size:13px; margin:0 0 8px; line-height:1.5; overflow-wrap:anywhere; }
.cart-item strong { font-size:14px; }
.quantity { display:flex; align-items:center; gap:12px; margin-top:10px; font-size:13px; }
.quantity .icon-button { width:28px; height:28px; border:1px solid var(--line); }
.quantity svg { width:14px; height:14px; }
.cart-total { display:flex; justify-content:space-between; margin-top:24px; font-size:18px; }
.cart-note { font-size:12px; line-height:1.7; color:var(--muted); margin-top:20px; }
.toast { position:fixed; bottom:24px; left:50%; transform:translateX(-50%); background:#23272c; color:#fff; font-size:13px; padding:14px 22px; border-radius:4px; z-index:20; width:max-content; max-width:calc(100% - 32px); text-align:center; }
@media(min-width:1400px) { .product-grid { grid-template-columns:repeat(4,minmax(0,1fr)); gap:18px; } }
@media(max-width:1000px) { .header-inner { grid-template-columns:205px 1fr auto; gap:20px; } .catalog-layout { grid-template-columns:155px minmax(0,1fr); gap:24px; } .product-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } .category-nav .container { gap:24px; } }
@media(max-width:700px) { .container { width:calc(100% - 32px); } .utility { font-size:11px; } .header-inner { min-height:130px; grid-template-columns:1fr auto; gap:12px; padding-block:18px; } .wordmark { font-size:29px; } .wordmark span { font-size:21px; } .search { grid-row:2; grid-column:1/-1; } .cart-toggle span { display:none; } .category-nav .container { gap:24px; } .category-nav button { font-size:12px; padding-block:14px; } .breadcrumb { padding:19px 0 23px; } .catalog-layout { display:block; } .sidebar { display:none; } .listing-heading { gap:10px; margin-bottom:16px; padding-bottom:17px; } h1 { font-size:21px; } .sort { display:block; font-size:10px; } .sort select { display:block; margin-top:5px; width:148px; font-size:11px; } .mobile-stock { display:flex; font-size:12px; margin-bottom:19px; } .product-grid { gap:12px; } .product-image { padding:12px; } .product-body { padding:12px; } .product-name { font-size:12px; min-height:56px; } .product-category { font-size:10px; } .price { font-size:18px; } .add-button { font-size:11px; gap:5px; } .footer-inner { align-items:flex-start; gap:20px; } .footer-links { flex-direction:column; gap:14px; } footer small { width:100%; } .detail-layout { grid-template-columns:1fr; gap:12px; } .detail-image { max-height:230px; } .product-dialog { padding:26px 20px; } .cart-dialog { padding:20px; } }
@media(prefers-reduced-motion:reduce) { * { transition:none !important; } }

.product-page { min-height:65vh; padding-bottom:48px; }
.product-page .breadcrumb { flex-wrap:wrap; line-height:1.6; }
.product-main { display:grid; grid-template-columns:minmax(0,1.1fr) minmax(0,1fr); gap:64px; align-items:start; padding:12px 0 40px; }
.product-photo { aspect-ratio:1/1; width:100%; min-width:0; padding:24px; border:1px solid var(--line); border-radius:4px; }
.product-photo img { width:100%; height:100%; object-fit:contain; }
.product-info { padding-top:20px; min-width:0; }
.product-info h1 { font-size:28px; line-height:1.4; overflow-wrap:anywhere; margin:14px 0 20px; }
.product-info .price { font-size:30px; margin-top:22px; }
.buy-form { display:flex; align-items:end; gap:14px; border-top:1px solid var(--line); padding-top:24px; margin:24px 0 16px; }
.buy-form label { font-size:12px; color:var(--muted); display:grid; gap:8px; }
.buy-form input { width:80px; height:46px; border:1px solid #cbd0d7; border-radius:3px; padding:10px; background:white; color:var(--ink); }
.buy-form .add-button { background:var(--blue); color:white; border-color:var(--blue); min-height:46px; font-size:14px; }
.share-button,.back-to-shop { display:inline-flex; align-items:center; gap:8px; font-size:12px; color:var(--muted); background:none; border:0; padding:10px 0; }
.share-button:hover,.back-to-shop:hover { color:var(--blue); }
.share-button svg,.back-to-shop svg { width:16px; height:16px; }
.share-url { width:100%; padding:10px; margin-top:8px; border:1px solid var(--line); }
.product-description { border-top:1px solid var(--line); padding:24px 0; margin:24px 0 0; }
.product-description h2,.product-specifications h2 { font-size:15px; font-weight:600; margin:0 0 14px; }
.product-description p { max-width:800px; font-size:14px; line-height:1.8; white-space:pre-wrap; overflow-wrap:anywhere; color:#60666e; margin:0; }
.product-specifications { border-top:1px solid var(--line); padding:24px 0 14px; }
.product-specifications dl { margin:0; font-size:13px; }
.product-specifications dl>div { display:grid; grid-template-columns:120px minmax(0,1fr); gap:16px; padding:11px 0; border-bottom:1px solid #f0f1f3; line-height:1.5; }
.product-specifications dt { color:var(--muted); }
.product-specifications dd { margin:0; overflow-wrap:anywhere; }
.product-specifications a { color:var(--blue); }
.product-pricing { margin-top:22px; }
.product-info .product-pricing .price { margin-top:0; }
.product-photo { position:sticky; top:24px; }
@media(max-width:700px) { .product-main { grid-template-columns:1fr; gap:16px; padding-top:0; padding-bottom:14px; } .product-photo { max-width:440px; justify-self:center; padding:16px; } .product-info { padding-top:8px; } .product-info h1 { font-size:23px; } .product-info .price { font-size:27px; } }
@media(max-width:700px) { .product-photo { position:static; } .product-specifications dl>div { grid-template-columns:100px minmax(0,1fr); gap:12px; } }