:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172033;background:#f6f7f9}
*{box-sizing:border-box}body{margin:0}.top{height:72px;background:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;gap:28px;padding:0 5vw;position:sticky;top:0;z-index:10}.brand{font-weight:800;font-size:22px;color:#172033;text-decoration:none}.search{flex:1;background:#f2f4f7;border:1px solid #e1e5ea;border-radius:10px;padding:11px 14px;color:#7a8494}.top nav{display:flex;gap:14px;align-items:center}.top nav a,.linkbtn{color:#26344d;text-decoration:none;background:none;border:0;font:inherit;cursor:pointer}.inline{display:inline}.container{width:min(1180px,90vw);margin:34px auto}.hero{background:#fff;border-radius:18px;padding:46px;box-shadow:0 8px 30px rgba(20,30,50,.06);margin-bottom:34px}.hero h1{font-size:40px;max-width:820px;margin:8px 0 12px}.eyebrow{font-weight:700;color:#2459d3}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin:16px 0 34px}.card,.panel{background:#fff;border:1px solid #e7e9ee;border-radius:14px;padding:20px}.card{display:flex;flex-direction:column;gap:8px}.muted{color:#778194}.supplier-cta{background:#172033;color:#fff;border-radius:18px;padding:32px;margin:34px 0}.btn{display:inline-block;background:#285dd8;color:#fff;border:0;border-radius:10px;padding:12px 18px;text-decoration:none;font-weight:700;cursor:pointer}.panel{max-width:560px;margin:20px auto}.panel.wide{max-width:800px}.panel form{display:grid;gap:14px}.panel label{display:grid;gap:6px;font-weight:600}.panel input,.panel textarea,.panel select,.table select{width:100%;padding:11px;border:1px solid #cfd5df;border-radius:8px;background:#fff}.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}.notice{background:#eef8f0;border:1px solid #bedfc5;padding:12px;border-radius:10px}.error{background:#fff0f0;border:1px solid #efc2c2;padding:12px;border-radius:10px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.table{background:#fff;border-radius:12px;overflow:hidden}.row{display:grid;grid-template-columns:2fr 1fr 2fr;gap:12px;padding:14px;border-bottom:1px solid #e8ebef;align-items:center}.footer{padding:30px 5vw;color:#7b8390;text-align:center}@media(max-width:760px){.top{height:auto;min-height:64px;flex-wrap:wrap;padding:12px 5vw}.search{order:3;flex-basis:100%}.hero{padding:28px}.hero h1{font-size:30px}.two,.stats,.row{grid-template-columns:1fr}}
.catalog-link{font-weight:700;color:#26344d;text-decoration:none}.search-form{flex:1}.search-form input{width:100%;background:#f2f4f7;border:1px solid #e1e5ea;border-radius:10px;padding:11px 14px}.search-form.compact{max-width:520px;margin-bottom:18px}.card-link{text-decoration:none;color:inherit;transition:.15s}.card-link:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(20,30,50,.08)}.catalog-layout{display:grid;grid-template-columns:230px 1fr;gap:24px}.side{background:#fff;border:1px solid #e7e9ee;border-radius:14px;padding:18px;height:max-content}.side a{display:block;padding:7px 0;color:#26344d;text-decoration:none}.side input{width:100%;margin:4px 0 9px;padding:9px;border:1px solid #d7dce4;border-radius:8px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:14px 0}.product-detail{display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:24px}.product-main,.offers-box{max-width:none;margin:0}.offer-row{display:grid;grid-template-columns:1fr auto;gap:16px;padding:14px 0;border-bottom:1px solid #e8ebef}.match{padding:9px 0;border-bottom:1px solid #e8ebef}.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;gap:7px!important}.check input{width:auto!important}.offer-admin-row{grid-template-columns:2fr 1fr 1fr!important}.specs>div{display:grid;grid-template-columns:1fr 1fr;padding:8px 0;border-bottom:1px solid #edf0f3}@media(max-width:760px){.catalog-layout,.product-detail{grid-template-columns:1fr}.side{display:none}.offer-admin-row{grid-template-columns:1fr!important}}
.cart-total{display:flex;justify-content:flex-end;align-items:center;gap:20px;margin:24px 0}.checkout-layout{display:grid;grid-template-columns:1fr 440px;gap:24px}.order-line{display:flex;justify-content:space-between;gap:18px;padding:10px 0;border-bottom:1px solid #edf0f3}@media(max-width:760px){.checkout-layout{grid-template-columns:1fr}.cart-total{align-items:flex-end;flex-direction:column}}
.footer{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.footer a{color:#677184;text-decoration:none}.product-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-bottom:18px}.product-gallery img{width:100%;aspect-ratio:1/1;object-fit:contain;background:#fff;border:1px solid #edf0f3;border-radius:10px}.breadcrumbs{font-size:14px;color:#7b8390}.legal-page{max-width:900px;margin:auto;background:#fff;border-radius:14px;padding:30px}.legal-content{line-height:1.65}.admin-nav{display:flex;flex-wrap:wrap;gap:8px}@media(max-width:920px){.top{gap:12px}.top nav{width:100%;justify-content:flex-end}.product-detail{grid-template-columns:1fr}.offers-box{order:2}}@media(max-width:560px){.container{width:94vw}.hero{padding:22px}.hero h1{font-size:27px}.top nav{overflow-x:auto;justify-content:flex-start}.row{grid-template-columns:1fr}.product-gallery{grid-template-columns:repeat(2,1fr)}}

/* STEP022 verified TЗ catalog/product gap closure */
.cart-badge{display:inline-flex;min-width:20px;height:20px;padding:0 6px;border-radius:999px;align-items:center;justify-content:center;font-size:12px;font-weight:700;background:#111827;color:#fff}
.product-card-image{width:100%;aspect-ratio:4/3;object-fit:contain;border-radius:10px;background:#fff;border:1px solid #edf0f3;margin-bottom:10px}
.out-stock{color:#9a3412;font-weight:600}.seller-select{width:100%;margin:8px 0 14px}.commercial-box{display:grid;gap:10px;padding:14px;border:1px solid #e5e7eb;border-radius:12px;background:#fafafa}.commercial-box strong,.commercial-box span{display:block}.commercial-price{font-size:26px;font-weight:800}.delivery-note{margin-top:16px;padding:14px;border-radius:12px;background:#f5f7fa}.delivery-note p{margin:6px 0 0}.product-document{margin-top:18px}.btn.secondary{background:#eef2f7;color:#202938}.advantages .card,.service-info .card{display:flex;flex-direction:column;gap:8px}.category-characteristics[hidden]{display:none!important}

/* STEP026 supplier/admin/buyer management closure */
.filters-row{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:12px;align-items:end;margin-bottom:18px}.filters-row label{margin:0}.warning{border-left:4px solid #b45309}.error-text{color:#b42318}.panel code{white-space:pre-wrap;overflow-wrap:anywhere}.admin-nav{display:flex;gap:8px;flex-wrap:wrap}.stats .card span{font-size:13px;color:#667085}.panel form+form{margin-top:12px;padding-top:12px;border-top:1px solid #eceff3}@media(max-width:760px){.filters-row{grid-template-columns:1fr}.admin-nav .btn{width:100%;text-align:center}}