:root{--accent:#2563eb;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--bg:#ffffff;--bg2:#f7f8fa;--ok:#15803d;--warn:#b45309;--err:#b91c1c;--radius:12px;--wrap:1180px}
*{box-sizing:border-box}html,body{margin:0}
body{font-family:"Segoe UI",Roboto,-apple-system,Arial,sans-serif;color:var(--ink);background:var(--bg2);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:28px;margin:18px 0 12px}h2{font-size:22px;margin:28px 0 12px}h3{font-size:17px;margin:18px 0 8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}.small{font-size:13px}.ok{color:var(--ok)}.warn{color:var(--warn)}.err{color:var(--err)}.r{text-align:right}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
/* header */
.hdr{background:var(--bg);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.hdr-in{display:flex;align-items:center;gap:18px;min-height:64px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.logo{font-weight:700;font-size:19px;color:var(--ink);display:flex;align-items:center;gap:8px;white-space:nowrap}.logo:hover{text-decoration:none}
.logo-mark{color:var(--accent);font-size:22px}
.search{flex:1;min-width:220px;position:relative;display:flex}
.search input{flex:1;padding:9px 12px;border:1px solid var(--line);border-radius:10px 0 0 10px;font-size:15px;background:var(--bg2)}
.search button{border:1px solid var(--line);border-left:0;border-radius:0 10px 10px 0;background:var(--bg);padding:0 14px;cursor:pointer;font-size:18px}
.suggest{position:absolute;top:100%;left:0;right:0;background:var(--bg);border:1px solid var(--line);border-radius:10px;margin-top:4px;box-shadow:0 8px 24px rgba(0,0,0,.08);z-index:30;max-height:340px;overflow:auto}
.suggest a{display:flex;justify-content:space-between;gap:10px;padding:8px 12px;color:var(--ink);border-bottom:1px solid var(--line)}.suggest a:hover{background:var(--bg2);text-decoration:none}
.nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.nav a{color:var(--ink);font-size:14px}
.cart-link b{background:var(--accent);color:#fff;border-radius:999px;padding:1px 8px;font-size:12px;margin-left:4px}
.langs a{padding:2px 6px;border:1px solid var(--line);border-radius:6px;font-size:12px;margin-left:4px;color:var(--muted)}.langs a.on{border-color:var(--accent);color:var(--accent)}
/* buttons */
.btn{display:inline-block;padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-weight:600;font-size:14px;cursor:pointer;text-decoration:none;line-height:1.3}
.btn:hover{border-color:var(--accent);text-decoration:none}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent}.btn-sm{padding:6px 11px;font-size:13px}.btn.wide{display:block;width:100%;text-align:center;margin:10px 0}
button.link{background:none;border:0;color:var(--accent);cursor:pointer;font:inherit;padding:0}
/* hero */
.hero{padding:44px 0 26px}.hero h1{font-size:38px;margin:0 0 8px}.lead{font-size:18px;color:var(--muted);max-width:60ch;margin:0 0 18px}
/* grids */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.cat-tile{display:flex;flex-direction:column;padding:14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);color:var(--ink)}.cat-tile:hover{border-color:var(--accent);text-decoration:none}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .15s}.card:hover{box-shadow:0 8px 24px rgba(0,0,0,.07)}
.card-img{position:relative;aspect-ratio:1/1;background:#fff;display:block}.card-img img{width:100%;height:100%;object-fit:contain;padding:12px}
.badge{position:absolute;top:8px;left:8px;background:var(--accent);color:#fff;font-size:12px;padding:2px 8px;border-radius:999px}.badge.out{background:#9ca3af}
.card-body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-title{color:var(--ink);font-weight:600;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{font-size:12px;color:var(--muted)}.card-row{display:flex;align-items:center;justify-content:space-between;margin-top:auto;gap:8px}
.price{font-weight:700;font-size:17px}
/* layout */
.layout{display:grid;grid-template-columns:250px 1fr;gap:24px;margin-top:14px}
.side{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:14px;align-self:start;position:sticky;top:80px}
.cats{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}.cats .cat{display:flex;justify-content:space-between;padding:6px 8px;border-radius:8px;color:var(--ink)}.cats .cat:hover,.cats .cat.on{background:var(--bg2);text-decoration:none}.cats .cat.on{color:var(--accent);font-weight:600}.cats .sub{padding-left:14px;display:flex;flex-direction:column;gap:2px}
.filters label{display:block;font-size:13px;color:var(--muted);margin:8px 0}.filters input,.filters select{width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:8px;margin-top:3px;font-size:14px}
.filters .range{display:flex;align-items:center;gap:6px}.filters .check{display:flex;align-items:center;gap:6px;color:var(--ink)}.filters .check input{width:auto}
.toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}.toolbar h1{margin:0}.sortf select{padding:7px 9px;border:1px solid var(--line);border-radius:8px}
.pager{display:flex;justify-content:center;gap:16px;margin:24px 0;align-items:center}
.empty{text-align:center;padding:48px 0;color:var(--muted)}
.crumbs{font-size:13px;color:var(--muted);margin:14px 0}
/* product */
.product{display:grid;grid-template-columns:minmax(260px,460px) 1fr;gap:32px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.gallery img{width:100%;aspect-ratio:1/1;object-fit:contain;background:#fff;border-radius:10px}
.thumbs{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}.thumbs img{width:64px;height:64px;object-fit:contain;border:1px solid var(--line);border-radius:8px;cursor:pointer;padding:4px}.thumbs img.on{border-color:var(--accent)}
.info h1{margin-top:0}.meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:14px}
.price-big{font-size:30px;font-weight:700;margin:14px 0 8px}
.stock .no{color:var(--err);font-weight:600}.wh-list{margin:6px 0 0;padding-left:18px;font-size:14px}
.buy{display:flex;align-items:center;gap:12px;margin:16px 0;flex-wrap:wrap}
.qty-box{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.qty-box button{border:0;background:var(--bg2);width:36px;font-size:18px;cursor:pointer}.qty-box input{width:64px;border:0;text-align:center;font-size:15px}
.desc p{white-space:normal}
/* tables */
.tbl{width:100%;border-collapse:collapse;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tbl th,.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.tbl th{font-size:12px;text-transform:uppercase;color:var(--muted);background:var(--bg2)}
.tbl tr:last-child td{border-bottom:0}.tbl.small td,.tbl.small th{padding:6px 8px;font-size:13px}.tbl .thumb img{width:48px;height:48px;object-fit:contain}
.tbl tr.dim{opacity:.55}.tbl tr.bad td{background:#fef2f2}
.qty-in{width:70px;padding:6px;border:1px solid var(--line);border-radius:8px;text-align:right}
.cart-foot{display:flex;justify-content:space-between;gap:24px;margin-top:18px;flex-wrap:wrap;align-items:flex-start}
.promo input{padding:8px 10px;border:1px solid var(--line);border-radius:8px;margin:0 6px}
.totals{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;min-width:300px}
.totals div{display:flex;justify-content:space-between;padding:4px 0}.totals .big{font-size:20px;border-top:1px solid var(--line);margin-top:6px;padding-top:10px}
/* checkout */
.co-cols{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
fieldset{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);padding:14px 18px 18px;margin:0 0 16px}legend{font-weight:600;padding:0 6px}
.checkout label{display:block;margin:8px 0;font-size:14px}.checkout input:not([type=radio]):not([type=checkbox]),.checkout select,.checkout textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:15px;margin-top:4px;font-family:inherit}
.checkout label.bad input{border-color:var(--err)}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.radio{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:8px}.radio input{margin:0}
.sub-opt{padding:4px 10px 8px 28px}.co-side{position:sticky;top:80px}.mini{list-style:none;padding:0;margin:0 0 8px}.mini li{display:flex;justify-content:space-between;gap:10px;padding:5px 0;border-bottom:1px dashed var(--line);font-size:14px}
.alert{padding:12px 16px;border-radius:10px;margin:12px 0;background:#eff6ff;border:1px solid #bfdbfe}.alert.ok{background:#f0fdf4;border-color:#bbf7d0}.alert.err{background:#fef2f2;border-color:#fecaca;color:var(--err)}.alert.warn{background:#fffbeb;border-color:#fde68a;color:var(--warn)}
/* order */
.order-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.order-cols{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}
.order-side{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.status{display:inline-block;padding:3px 10px;border-radius:999px;font-size:13px;font-weight:600;background:#e5e7eb}
.st-new,.st-confirmed{background:#dbeafe;color:#1e40af}.st-awaiting_payment{background:#fef3c7;color:#92400e}.st-paid,.st-completed{background:#dcfce7;color:#166534}.st-processing,.st-shipped,.st-ready{background:#ede9fe;color:#5b21b6}.st-cancelled{background:#fee2e2;color:#991b1b}
.timeline{list-style:none;padding:0}.timeline li{padding:6px 0;border-bottom:1px solid var(--line);font-size:14px}
.lookup{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}.lookup label{display:flex;flex-direction:column;font-size:13px;gap:4px}.lookup input{padding:8px 10px;border:1px solid var(--line);border-radius:8px;min-width:220px}
.page .body{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:20px;max-width:800px}
/* footer */
.ftr{margin-top:48px;border-top:1px solid var(--line);background:var(--bg);padding:22px 0;font-size:14px}.ftr-in{display:flex;flex-direction:column;gap:6px}
@media (max-width:860px){.layout,.co-cols,.order-cols,.product{grid-template-columns:1fr}.side{position:static}.co-side{position:static}.hdr-in{gap:10px}.two{grid-template-columns:1fr}.hero h1{font-size:28px}}