:root{
  --bg:#080808; --panel:#111111; --panel2:#171717; --text:#f4f1e8; --muted:#aaa69d;
  --gold:#d8ad4a; --gold2:#f5d67d; --line:rgba(216,173,74,.26); --ok:#71c58c; --danger:#ff7b7b;
  --safe-top:env(safe-area-inset-top,0px); --safe-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box} html,body{margin:0;background:#000;color:var(--text);font-family:Tahoma,"Segoe UI",Arial,sans-serif}
body{min-height:100vh;background:radial-gradient(circle at 75% 0%,rgba(216,173,74,.08),transparent 34%),#050505}
button,input,select{font:inherit}.app-shell{max-width:520px;margin:0 auto;min-height:100vh;background:linear-gradient(180deg,#090909,#060606);position:relative;padding-bottom:calc(76px + var(--safe-bottom));border-left:1px solid #171717;border-right:1px solid #171717}
.topbar{position:sticky;top:0;z-index:15;display:flex;align-items:center;justify-content:space-between;padding:calc(10px + var(--safe-top)) 16px 10px;background:rgba(8,8,8,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand-line{display:flex;align-items:center;gap:10px}.brand-logo{width:42px;height:42px}.brand-title{font-weight:800;font-size:18px}.brand-sub{font-size:11px;color:var(--muted);margin-top:3px}.demo-badge{display:inline-block;color:#16110a;background:var(--gold2);padding:2px 6px;border-radius:999px;margin-right:4px;font-size:10px}
.icon-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#101010;color:var(--gold2);font-size:24px;cursor:pointer}.view{padding:14px 14px 28px}
.hero{border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#0c0c0c;position:relative}.hero img{width:100%;height:330px;object-fit:cover;display:block;background:#000}.hero-shade{position:absolute;inset:auto 0 0;background:linear-gradient(transparent,rgba(0,0,0,.92));padding:55px 18px 18px}.eyebrow{color:var(--gold2);font-size:12px}.hero h1{margin:5px 0 7px;font-size:28px}.muted{color:var(--muted)}
.primary{border:0;border-radius:14px;background:linear-gradient(135deg,var(--gold2),var(--gold));color:#1b1408;padding:13px 16px;font-weight:800;cursor:pointer}.secondary{border:1px solid var(--line);border-radius:14px;background:#111;color:var(--gold2);padding:12px 14px;cursor:pointer}.wide{width:100%}
.section{margin-top:20px}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.section h2{margin:0;font-size:17px}.link-btn{border:0;background:transparent;color:var(--gold2);cursor:pointer}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.quick-card{background:linear-gradient(180deg,#171717,#101010);border:1px solid #222;border-radius:18px;padding:16px 8px;text-align:center;cursor:pointer;color:var(--text)}.quick-card .ico{font-size:25px;color:var(--gold2);display:block;margin-bottom:8px}.quick-card small{font-size:12px}
.price-strip{margin-top:12px;background:#121212;border:1px solid var(--line);border-radius:16px;padding:13px 14px;display:flex;justify-content:space-between;gap:10px;align-items:center}.price-strip strong{color:var(--gold2)}
.chips{display:flex;gap:8px;overflow:auto;padding-bottom:3px;scrollbar-width:none}.chip{white-space:nowrap;border:1px solid var(--line);background:#111;color:#e9e3d6;border-radius:999px;padding:9px 13px;cursor:pointer}.chip.active{background:var(--gold);color:#151008;border-color:var(--gold)}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.product-card{background:#111;border:1px solid #252525;border-radius:18px;overflow:hidden}.product-card img{width:100%;aspect-ratio:1.2/1;object-fit:cover;background:#000;display:block}.product-body{padding:11px}.product-name{font-weight:800;color:#f4d475;margin-bottom:7px;font-size:14px}.product-meta{font-size:11px;color:var(--muted);line-height:1.8}.product-actions{display:flex;gap:7px;margin-top:10px}.product-actions button{flex:1;padding:9px 6px;border-radius:11px;font-size:11px}
.searchbox{width:100%;background:#111;border:1px solid #292929;border-radius:15px;color:#fff;padding:13px 14px;outline:none}.searchbox:focus{border-color:var(--gold)}.filter-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:9px}.select{width:100%;background:#111;color:#eee;border:1px solid #292929;border-radius:13px;padding:11px}
.detail-image{border-radius:22px;overflow:hidden;border:1px solid var(--line);background:#000}.detail-image img{width:100%;max-height:390px;object-fit:cover;display:block}.detail-card{margin-top:12px;background:#111;border:1px solid #252525;border-radius:19px;padding:16px}.detail-title{display:flex;justify-content:space-between;align-items:center}.detail-title h2{margin:0;color:var(--gold2)}.fav-btn{border:1px solid var(--line);background:#111;color:var(--gold2);width:42px;height:42px;border-radius:50%;font-size:21px}.specs{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:14px}.spec{background:#161616;border-radius:13px;padding:10px}.spec small{display:block;color:var(--muted);margin-bottom:5px}.spec strong{font-size:13px}
.notice{background:rgba(216,173,74,.08);border:1px solid var(--line);border-radius:15px;padding:12px;margin-top:12px;font-size:12px;color:#ddd2b8;line-height:1.8}.form{margin-top:13px;display:grid;gap:10px}.field label{display:block;font-size:12px;color:#cfc8ba;margin-bottom:6px}.field input,.field select{width:100%;background:#0d0d0d;color:#fff;border:1px solid #303030;border-radius:13px;padding:12px}.field input:focus,.field select:focus{outline:none;border-color:var(--gold)}
.empty{padding:42px 18px;text-align:center;background:#101010;border:1px dashed #333;border-radius:20px;color:var(--muted)}.list{display:grid;gap:9px}.list-item{background:#111;border:1px solid #242424;border-radius:16px;padding:13px}.list-item strong{color:var(--gold2)}
.bottom-nav{position:fixed;z-index:20;bottom:0;left:50%;transform:translateX(-50%);width:min(520px,100%);height:calc(68px + var(--safe-bottom));padding:8px 10px var(--safe-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(8,8,8,.97);backdrop-filter:blur(15px);border-top:1px solid var(--line)}.nav-btn{border:0;background:transparent;color:#8f8f8f;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;cursor:pointer}.nav-btn span{font-size:21px}.nav-btn small{font-size:10px}.nav-btn.active{color:var(--gold2)}
.toast{position:fixed;left:50%;transform:translateX(-50%) translateY(20px);bottom:90px;width:min(450px,calc(100% - 32px));background:#1b1b1b;border:1px solid var(--line);color:#fff;padding:12px 14px;border-radius:14px;opacity:0;pointer-events:none;transition:.25s;z-index:30;text-align:center}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.back-row{display:flex;justify-content:flex-start;margin-bottom:10px}.back-btn{border:1px solid var(--line);background:#111;color:var(--gold2);border-radius:12px;padding:9px 12px}
@media(max-width:360px){.quick-grid{grid-template-columns:repeat(2,1fr)}.hero img{height:280px}.product-grid{grid-template-columns:1fr}.specs{grid-template-columns:1fr}.brand-title{font-size:16px}}