:root{
  --brand:#ff4d2d;      /* Temu-ish orange-red */
  --brand-2:#ff7a00;
  --ink:#1a1a1a;
  --muted:#8a8a8a;
  --line:#eee;
  --bg:#f5f6f8;
  --card:#fff;
  --ok:#00b578;
  --gold:#ff9500;
  --radius:14px;
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,"SF Pro","Segoe UI",Tahoma,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--ink);
  padding-bottom:calc(64px + var(--safe-b));
  max-width:520px;margin:0 auto;position:relative;min-height:100vh;
}
[dir=rtl]{text-align:right}
img{max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none}
a{color:inherit;text-decoration:none}
.emoji-img{display:flex;align-items:center;justify-content:center;background:#fff}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:40;background:var(--brand);
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  padding:10px 12px calc(10px);color:#fff}
.topbar .row{display:flex;align-items:center;gap:8px}
.logo{font-weight:800;font-size:20px;letter-spacing:-.5px;white-space:nowrap}
.search{flex:1;display:flex;align-items:center;background:#fff;border-radius:30px;padding:8px 14px;gap:8px}
.search input{border:none;outline:none;flex:1;font-size:14px;background:transparent}
.search .go{color:var(--brand);font-weight:700}
.ship-note{font-size:12px;margin-top:8px;display:flex;align-items:center;gap:6px;opacity:.95}

/* ---------- flash deal strip ---------- */
.flash{background:#1a1a1a;color:#fff;display:flex;align-items:center;gap:10px;
  padding:9px 12px;font-size:13px;overflow:hidden}
.flash b{color:var(--gold)}
.timer{margin-inline-start:auto;display:flex;gap:4px;align-items:center;font-variant-numeric:tabular-nums}
.timer span{background:var(--brand);color:#fff;border-radius:5px;padding:2px 6px;font-weight:700;font-size:12px}

/* flash deals row */
.flash-row{display:flex;gap:10px;overflow-x:auto;padding:12px;background:linear-gradient(180deg,#1a1a1a,#2a2a2a);scrollbar-width:none}
.flash-row::-webkit-scrollbar{display:none}
.flash-card{flex:0 0 auto;width:96px;background:#fff;border-radius:10px;overflow:hidden;position:relative;cursor:pointer}
.flash-card .fc-thumb{width:96px;height:96px;display:flex;align-items:center;justify-content:center;font-size:44px;background:#fafafa}
.flash-card .fc-thumb img{width:100%;height:100%;object-fit:cover}
.flash-card .fc-price{padding:6px 8px;color:var(--brand);font-weight:800;font-size:14px}
.flash-card .fc-price .cur{font-size:10px;margin-inline-end:2px}
.flash-card .fc-off{position:absolute;top:0;inset-inline-start:0;background:var(--gold);color:#1a1a1a;font-size:10px;font-weight:800;padding:2px 6px;border-bottom-right-radius:8px}

/* ---------- categories rail ---------- */
.cats{display:flex;gap:10px;overflow-x:auto;padding:12px;scrollbar-width:none}
.cats::-webkit-scrollbar{display:none}
.cat{flex:0 0 auto;text-align:center;font-size:11px;color:#555;width:58px}
.cat .ic{width:52px;height:52px;border-radius:16px;background:#fff;display:flex;align-items:center;
  justify-content:center;font-size:24px;margin:0 auto 5px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.cat.active .ic{background:var(--brand);color:#fff;transform:scale(1.05)}
.cat.active{color:var(--brand);font-weight:700}

/* ---------- product grid ---------- */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 12px 20px}
.card{background:var(--card);border-radius:var(--radius);overflow:hidden;position:relative;
  box-shadow:0 1px 6px rgba(0,0,0,.04)}
.card .thumb{aspect-ratio:1;font-size:64px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#fafafa,#f0f0f0)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .badge{position:absolute;top:8px;inset-inline-start:8px;background:var(--brand);color:#fff;
  font-size:10px;font-weight:700;padding:3px 7px;border-radius:6px}
.fav{position:absolute;top:6px;inset-inline-end:6px;width:30px;height:30px;border-radius:50%;
  background:rgba(255,255,255,.9);font-size:15px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 1px 4px rgba(0,0,0,.12);z-index:3}
.pd-fav{position:absolute;top:12px;inset-inline-end:12px;width:36px;height:36px;background:rgba(255,255,255,.92)}
.pd .hero img{width:100%;height:100%;object-fit:cover}
.line-item .th img{width:100%;height:100%;object-fit:cover;border-radius:10px}
.card .body{padding:8px 10px 12px}
.card .title{font-size:13px;line-height:1.35;height:35px;overflow:hidden;margin-bottom:6px}
.price{display:flex;align-items:baseline;gap:5px;flex-wrap:wrap}
.price .now{color:var(--brand);font-weight:800;font-size:16px}
.price .cur{color:var(--brand);font-size:11px;font-weight:700}
.price .was{color:var(--muted);text-decoration:line-through;font-size:11px}
.price .off{background:#fff0ec;color:var(--brand);font-size:10px;font-weight:700;padding:1px 5px;border-radius:4px}
.meta{display:flex;align-items:center;gap:6px;margin-top:6px;font-size:11px;color:var(--muted)}
.stars{color:var(--gold)}
.sold-bar{margin-top:6px;height:5px;background:#f0f0f0;border-radius:5px;overflow:hidden}
.sold-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-2))}

.section-title{padding:14px 12px 6px;font-weight:800;font-size:16px;display:flex;align-items:center;gap:8px}
.section-title .tag{background:var(--brand);color:#fff;font-size:11px;padding:2px 8px;border-radius:20px}

/* ---------- bottom nav ---------- */
.bottomnav{position:fixed;bottom:0;left:0;right:0;max-width:520px;margin:0 auto;background:#fff;
  border-top:1px solid var(--line);display:flex;z-index:50;padding-bottom:var(--safe-b)}
.bottomnav a{flex:1;text-align:center;padding:8px 0 6px;font-size:10px;color:#888}
.bottomnav a .ic{font-size:20px;display:block;margin-bottom:2px}
.bottomnav a.active{color:var(--brand);font-weight:700}
.bottomnav .cartbtn{position:relative}
.bottomnav .cart-count{position:absolute;top:2px;right:calc(50% - 20px);background:var(--brand);color:#fff;
  font-size:10px;min-width:16px;height:16px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 4px}

/* ---------- product detail ---------- */
.pd .hero{aspect-ratio:1;font-size:140px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#fafafa,#eee)}
.pd .back{position:absolute;top:12px;inset-inline-start:12px;background:rgba(0,0,0,.5);color:#fff;
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:5}
.pd .info{background:#fff;padding:14px;border-radius:20px 20px 0 0;margin-top:-18px;position:relative}
.pd .bigprice{font-size:28px;font-weight:900;color:var(--brand)}
.pd h1{font-size:17px;margin:10px 0;line-height:1.4}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.chip{background:#f4f4f4;border-radius:20px;padding:6px 12px;font-size:12px;color:#555}
.chip.hot{background:#fff0ec;color:var(--brand);font-weight:700}
.desc{color:#555;font-size:14px;line-height:1.7;margin:12px 0}

/* ---------- sticky buy bar ---------- */
.buybar{position:fixed;bottom:0;left:0;right:0;max-width:520px;margin:0 auto;background:#fff;
  border-top:1px solid var(--line);display:flex;gap:10px;padding:10px 12px calc(10px + var(--safe-b));z-index:60}
.btn{border-radius:30px;font-weight:800;font-size:15px;padding:13px;flex:1;color:#fff}
.btn.cart{background:var(--gold)}
.btn.buy{background:var(--brand)}
.btn.block{width:100%}

/* ---------- cart / checkout ---------- */
.sheet{padding:12px}
.line-item{display:flex;gap:10px;background:#fff;border-radius:12px;padding:10px;margin-bottom:10px;align-items:center}
.line-item .th{width:54px;height:54px;border-radius:10px;background:#f3f3f3;display:flex;align-items:center;justify-content:center;font-size:28px}
.line-item .t{flex:1;font-size:13px}
.qty{display:flex;align-items:center;gap:10px}
.qty button{width:28px;height:28px;border-radius:50%;background:#f0f0f0;font-size:16px;font-weight:700}
.summary{background:#fff;border-radius:12px;padding:14px;margin-top:8px;font-size:14px}
.summary .r{display:flex;justify-content:space-between;padding:5px 0}
.summary .r.total{font-weight:800;font-size:17px;border-top:1px dashed var(--line);margin-top:6px;padding-top:10px}
.field{margin-bottom:12px}
.field label{display:block;font-size:12px;color:#666;margin-bottom:5px;font-weight:600}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:10px;
  padding:12px;font-size:14px;outline:none;background:#fff}
.field input:focus{border-color:var(--brand)}
.pay-opts{display:flex;flex-direction:column;gap:8px}
.pay{display:flex;align-items:center;gap:10px;border:1.5px solid var(--line);border-radius:12px;padding:12px;font-size:14px}
.pay.sel{border-color:var(--brand);background:#fff7f5}
.pay .logo-p{font-weight:800}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty .big{font-size:64px;margin-bottom:10px}

.toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);background:#1a1a1a;color:#fff;
  padding:10px 18px;border-radius:30px;font-size:13px;z-index:200;opacity:0;transition:.25s;white-space:nowrap}
.toast.show{opacity:1}
.success{text-align:center;padding:50px 24px}
.success .tick{width:80px;height:80px;border-radius:50%;background:var(--ok);color:#fff;font-size:44px;
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.hidden{display:none!important}
.header-simple{position:sticky;top:0;background:#fff;z-index:30;display:flex;align-items:center;gap:12px;
  padding:14px;border-bottom:1px solid var(--line);font-weight:800;font-size:16px}
.header-simple .b{font-size:22px}

/* profile card + registration */
.profile-card{display:flex;align-items:center;gap:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;border-radius:16px;padding:16px;margin-bottom:14px;cursor:pointer}
.profile-card .pc-avatar{width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800}
.profile-card .pc-info{flex:1;display:flex;flex-direction:column}
.profile-card .pc-info small{opacity:.9;font-size:12px;margin-top:2px}
.profile-card .pc-edit{font-size:13px;font-weight:700;opacity:.95}
.welcome-back{background:#fff7f5;border:1px solid #ffd9cf;color:var(--brand);border-radius:12px;
  padding:11px 14px;font-size:13px;margin-bottom:14px;font-weight:600}
.save-toggle{display:flex;align-items:center;gap:8px;font-size:13px;color:#555;margin:2px 0 4px}
.save-toggle input{width:18px;height:18px;accent-color:var(--brand)}