:root{
  --bg:#ffffff;
  --panel:#ffffff;
  --panel-2:#fafafa;
  --line:#ececec;
  --line-2:#dcdcdc;
  --text:#111111;
  --muted:#6d6d6d;
  --muted-2:#9a9a9a;
  --accent:#111111;
  --ok:#16824a;
  --shadow:0 10px 30px rgba(17,17,17,.05);
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:14px;
  --container:min(1380px, calc(100vw - 48px));
  --space-section:clamp(18px,2.8vw,36px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.35;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button{border:0;background:none;color:inherit;cursor:pointer}
.site-shell{min-height:100dvh;display:flex;flex-direction:column}
.container{width:var(--container);margin:0 auto}
.hidden{display:none !important}

.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid rgba(17,17,17,.06)}
.topbar-inner{width:var(--container);margin:0 auto;min-height:82px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px}
.nav-left,.nav-right{display:flex;align-items:center;gap:8px}
.nav-right{justify-self:end}
.brand{justify-self:center;font-size:20px;font-weight:800;letter-spacing:.34em;text-transform:uppercase;white-space:nowrap}
.nav-link{height:42px;padding:0 16px;display:inline-flex;align-items:center;border-radius:999px;color:var(--muted);transition:.2s ease}
.nav-link:hover,.nav-link.active{background:#f4f4f4;color:var(--text)}
.icon-btn{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;background:#fff;position:relative;transition:.2s ease}
.icon-btn:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.icon-btn svg,.card-fab svg,.dock-link svg{display:block;overflow:visible}
.count-badge{position:absolute;top:-4px;right:-2px;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:#111;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:700}
.mobile-dock{display:none}

.page-main{padding:var(--space-section) 0 clamp(40px,5vw,72px)}
.page-title{margin:0;font-size:clamp(34px,4vw,46px);letter-spacing:-.06em;line-height:1.02}
.page-sub{margin:14px 0 0;color:var(--muted);max-width:62ch;line-height:1.55}
.section{padding:clamp(12px,2vw,24px) 0 var(--space-section)}
.section-title{margin:0 0 6px;font-size:28px;letter-spacing:-.05em}
.section-sub{color:var(--muted);font-size:14px}

.hero-section{padding:6px 0 clamp(22px,3vw,38px)}
.hero-banner{position:relative;min-height:clamp(300px,50vh,560px);border-radius:32px;overflow:hidden;border:1px solid rgba(17,17,17,.08);background:radial-gradient(circle at 30% 20%,#3b3b3b 0%,#111 48%,#000 100%);display:grid;place-items:center}
.hero-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.12),transparent 38%,rgba(255,255,255,.06) 70%,transparent)}
.hero-overlay{position:relative;z-index:1;text-align:center;padding:20px}
.hero-kicker{margin:0 0 8px;color:rgba(255,255,255,.78);font-size:12px;letter-spacing:.28em;text-transform:uppercase}
.hero-title{margin:0;font-size:clamp(78px,17vw,240px);line-height:.82;letter-spacing:.08em;color:#fff;font-weight:800}

.toolbar{display:grid;grid-template-columns:minmax(260px,1.15fr) minmax(180px,.85fr) minmax(180px,.9fr) minmax(180px,.85fr);gap:14px;align-items:center;margin:24px 0 14px}
.field,.select,.search-btn{min-height:52px;border-radius:18px;border:1px solid var(--line);background:#fff;color:var(--text);outline:none}
.field,.select{padding:0 16px}
.field:focus,.select:focus,.chat-textarea:focus{border-color:var(--line-2)}
.search-btn{padding:0 18px;display:inline-flex;align-items:center;gap:10px;font-weight:600}
.mobile-filters-bar{display:none}
.catalog-filters-panel{position:relative}
.filters-panel-head{display:none}
.quickbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:18px 0 24px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);transition:.2s ease;white-space:nowrap}
.chip:hover,.chip.active{background:#111;color:#fff;border-color:#111}
.catalog-meta{color:var(--muted);font-size:13px}
.catalog-shell{background:#fff;border:1px solid var(--line);border-radius:28px;padding:clamp(16px,2vw,28px)}
.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(14px,1.4vw,22px)}
.product-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;display:flex;flex-direction:column;min-width:0;transition:.2s ease}
.product-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card-link{display:block}
.card-media{position:relative;aspect-ratio:4/5;background:#f4f4f4;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.product-card:hover .card-media img{transform:scale(1.025)}
.card-actions{position:absolute;top:12px;right:12px;display:flex;gap:8px;flex-direction:column}
.card-fab{width:38px;height:38px;border-radius:999px;background:rgba(255,255,255,.95);border:1px solid rgba(17,17,17,.08);display:grid;place-items:center;box-shadow:0 8px 20px rgba(17,17,17,.06)}
.card-fab.active{background:#111;color:#fff;border-color:#111}
.card-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:12px}
.card-topline{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.card-name{margin:0;font-size:17px;letter-spacing:-.04em;line-height:1.08}
.card-meta{font-size:12px;color:var(--muted)}
.price-row{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.price{font-size:20px;font-weight:700;letter-spacing:-.04em}
.old-price{font-size:13px;color:var(--muted-2);text-decoration:line-through}
.card-bottom{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}
.badges{display:flex;gap:6px;flex-wrap:wrap;min-width:0}
.pill{padding:7px 10px;border-radius:999px;background:#f5f5f5;color:var(--muted);font-size:12px;white-space:nowrap}
.add-btn{min-height:42px;padding:0 14px;border-radius:999px;background:#111;color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;white-space:nowrap}
.add-btn.added{background:var(--ok)}
.add-btn.secondary{background:#fff;color:#111;border:1px solid var(--line)}
.empty-state{padding:42px;border:1px dashed var(--line-2);border-radius:24px;color:var(--muted);text-align:center;background:#fff}

.footer{padding:24px 0 52px;margin-top:auto}
.contact-wrap{border-top:1px solid var(--line);padding-top:32px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:start}
.contact-title{margin:0 0 8px;font-size:26px;letter-spacing:-.05em}
.footer-copy{margin:0;color:var(--muted);max-width:50ch}
.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(180px,1fr));gap:12px}
.contact-item{padding:16px 0;border-bottom:1px solid var(--line)}
.contact-label{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:6px}
.contact-value{font-size:16px;letter-spacing:-.02em}

.product-layout{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);gap:clamp(18px,2.1vw,32px)}
.gallery-card,.detail-card,.profile-card,.summary-box,.chat-shell,.chat-sidebar,.chat-main{background:#fff;border:1px solid var(--line);border-radius:28px}
.gallery-card{padding:18px}
.product-main-media{aspect-ratio:4/4.8;border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#f4f4f4}
.product-main-media img{width:100%;height:100%;object-fit:cover}
.product-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}
.thumb{border-radius:16px;overflow:hidden;border:1px solid var(--line);aspect-ratio:1/1.1;background:#f8f8f8}
.thumb img{width:100%;height:100%;object-fit:cover}
.detail-card{padding:clamp(22px,2.4vw,34px)}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px;margin-bottom:16px}
.product-title{margin:0;font-size:38px;letter-spacing:-.06em;line-height:.98}
.rating-row{margin-top:12px;color:var(--muted);font-size:14px}
.product-price{margin-top:18px;font-size:34px;font-weight:800;letter-spacing:-.06em}
.product-copy{margin:18px 0 0;color:var(--muted);max-width:58ch}
.option-block{margin-top:20px}
.option-label{font-size:13px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted-2);margin-bottom:10px}
.size-row{display:flex;gap:8px;flex-wrap:wrap}
.size-btn{min-width:46px;height:42px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff}
.size-btn.active{background:#111;color:#fff;border-color:#111}
.detail-list{margin:0;padding-left:18px;color:var(--muted)}
.action-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.primary-btn,.ghost-btn{min-height:50px;padding:0 18px;border-radius:999px;display:inline-flex;align-items:center;gap:10px;font-weight:600}
.primary-btn{background:#111;color:#fff}
.ghost-btn{background:#fff;border:1px solid var(--line)}
.ghost-btn.active-ish{background:#f4f4f4}

.profile-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:clamp(18px,2.1vw,30px)}
.profile-card{padding:22px;align-self:start;position:sticky;top:96px}
.profile-name{margin:0;font-size:34px;letter-spacing:-.06em}
.profile-sub{margin:10px 0 18px;color:var(--muted)}
.menu-list{display:grid;gap:8px}
.menu-btn{min-height:48px;border:1px solid var(--line);border-radius:18px;padding:0 14px;text-align:left;background:#fff}
.menu-btn.active{background:#111;color:#fff;border-color:#111}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.stat{border:1px solid var(--line);border-radius:18px;padding:14px;background:#fff}
.stat-num{font-size:22px;font-weight:800;letter-spacing:-.05em}
.stat-label{margin-top:6px;font-size:12px;color:var(--muted)}
.list-grid{display:grid;gap:12px}
.profile-product{display:grid;grid-template-columns:116px minmax(0,1fr) auto;gap:14px;align-items:start;padding:16px;border:1px solid var(--line);border-radius:24px;background:#fff}
.thumb-small{display:block;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#f4f4f4}
.thumb-small img{width:100%;aspect-ratio:4/5;object-fit:cover}
.profile-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.summary-box{padding:22px}
.muted{color:var(--muted)}
.divider{height:1px;background:var(--line);margin:14px 0}

.chat-page{padding:20px 0 30px;min-height:calc(100dvh - 82px);background:#f7f7f8}
.chat-shell{display:grid;grid-template-columns:296px minmax(0,1fr);gap:0;min-height:calc(100dvh - 122px);border:1px solid #e7e7e7;border-radius:20px;overflow:hidden;background:#fff}
.chat-sidebar{padding:14px;background:#fcfcfc;border-right:1px solid #ececec}
.sidebar-title{margin:0 0 10px;font-size:20px;letter-spacing:-.02em}
.new-chat{width:100%;min-height:42px;border-radius:12px;background:#111;color:#fff;font-weight:600;border:1px solid #111}
.chat-history{display:grid;gap:8px;margin-top:12px}
.chat-history button{padding:11px 12px;border-radius:10px;border:1px solid #ececec;background:#fff;text-align:left;color:#444;transition:.16s ease}
.chat-history button:hover{background:#f4f4f4}
.chat-main{display:flex;flex-direction:column;min-width:0;position:relative;background:#fff}
.chat-topbar{height:56px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid #ececec;padding:0 16px;position:relative;background:#fff}
.chat-model{font-size:14px;font-weight:600}
.chat-menu-btn{display:none;position:absolute;left:12px;top:50%;transform:translateY(-50%);width:34px;height:34px;border:1px solid #e3e3e3;border-radius:10px;padding:7px;gap:4px;flex-direction:column;justify-content:center;background:#fff}
.chat-menu-btn span{display:block;height:2px;border-radius:999px;background:#111}
.chat-messages{flex:1;padding:22px clamp(18px,4.2vw,54px) 112px;display:grid;align-content:start;gap:20px;overflow:auto;background:#fff}
.msg{max-width:860px;width:100%;margin:0 auto}
.msg.user{display:flex;justify-content:flex-end}
.bubble{padding:12px 14px;border-radius:14px;background:#efefef;max-width:min(76ch,84%);white-space:pre-wrap;word-break:break-word;line-height:1.5;color:#111}
.plain-text{max-width:76ch;white-space:pre-wrap;word-break:break-word;line-height:1.62;color:#151515}
.chat-composer{position:absolute;left:0;right:0;bottom:0;padding:12px clamp(18px,4.2vw,54px) 18px;background:linear-gradient(to top,#fff 78%,rgba(255,255,255,0))}
.chat-box{display:flex;align-items:end;gap:10px;border:1px solid #d8d8d8;border-radius:24px;padding:8px 8px 8px 14px;background:#fff;max-width:860px;margin:0 auto;box-shadow:0 8px 28px rgba(17,17,17,.06)}
.chat-textarea{flex:1;min-height:46px;max-height:170px;border:0;resize:none;outline:none;background:transparent;padding:10px 0;color:#111;line-height:1.45}
.chat-textarea::placeholder{color:#8f8f8f}
.chat-send{width:38px;height:38px;border-radius:999px;background:#111;color:#fff;font-weight:800;display:grid;place-items:center}

.toast-wrap{position:fixed;right:16px;bottom:16px;z-index:80;display:flex;flex-direction:column;gap:10px;pointer-events:none}
.toast{background:#111;color:#fff;padding:14px 16px;border-radius:16px;min-width:240px;box-shadow:0 16px 40px rgba(0,0,0,.22);animation:toastIn .25s ease forwards}
@keyframes toastIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}