:root{
  --bg:#fff7f3;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --brand:#ee4d2d; /* Shopee-like */
  --brand2:#ff7a18;
  --stroke:rgba(15,23,42,.10);
  --shadow:0 10px 30px rgba(15,23,42,.10);
  --shadow2:0 12px 26px rgba(238,77,45,.18);
  --good:#16a34a;
  --hot:#ef4444;
  --deal:#f59e0b;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(900px 400px at 10% 0%, rgba(238,77,45,.18), transparent 60%),
    radial-gradient(900px 400px at 90% 10%, rgba(255,122,24,.18), transparent 60%),
    linear-gradient(180deg, var(--bg), #ffffff 40%);
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.topbar{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(135deg, rgba(238,77,45,.96), rgba(255,122,24,.92));
  box-shadow:var(--shadow2);
  backdrop-filter:saturate(160%) blur(10px);
}
.topbar__inner{padding:14px 14px 10px;max-width:1120px;margin:0 auto}
.brand{display:flex;gap:12px;align-items:center;color:#fff}
.brand__logo{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.18);display:grid;place-items:center;font-weight:800}
.brand__title{font-size:16px;line-height:1.1;margin:0}
.brand__subtitle{margin:2px 0 0;font-size:12px;opacity:.92}

.search{margin-top:10px}
.search__input{
  width:100%;
  border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.16);
  color:#fff;
  border-radius:12px;
  padding:12px 12px;
  outline:none;
}
.search__input::placeholder{color:rgba(255,255,255,.85)}
.search__input:focus{border-color:rgba(255,255,255,.85);box-shadow:0 0 0 4px rgba(255,255,255,.14)}

.cats{display:flex;gap:8px;overflow:auto;padding:10px 0 2px;scrollbar-width:none}
.cats::-webkit-scrollbar{display:none}
.chip{
  border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.12);
  color:#fff;
  padding:9px 12px;
  border-radius:999px;
  font-weight:600;
  font-size:12px;
  white-space:nowrap;
  cursor:pointer;
}
.chip.is-active{background:#fff;color:#b42318;border-color:#fff}
.chip:active{transform:translateY(1px)}

.container{max-width:1120px;margin:0 auto;padding:14px}
.hero{background:rgba(255,255,255,.72);border:1px solid var(--stroke);border-radius:var(--radius);padding:12px;box-shadow:0 6px 18px rgba(15,23,42,.06)}
.hero__title{margin:0 0 6px;font-size:15px}
.hero__desc{margin:0;color:var(--muted);font-size:13px;line-height:1.45}
.hero__bullets{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}
.hb{font-size:12px;font-weight:800;color:#7c2d12;background:linear-gradient(135deg, rgba(238,77,45,.14), rgba(255,122,24,.14));border:1px solid rgba(238,77,45,.18);padding:8px 10px;border-radius:999px}

.section{margin-top:14px}
.section__head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.section__title{margin:0;font-size:14px}
.section__meta{margin:0;color:var(--muted);font-size:12px}

/* Grid: ưu tiên hiển thị nhiều sản phẩm */
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}
@media(min-width:560px){.grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
@media(min-width:920px){.grid{grid-template-columns:repeat(5,minmax(0,1fr));}}

/* Product card = 1 link bao toàn bộ */
.card{
  display:block;
  text-decoration:none;
  color:inherit;
  background:var(--card);
  border:1px solid var(--stroke);
  border-radius:14px;
  overflow:hidden;
  box-shadow:0 8px 18px rgba(15,23,42,.07);
  transform:translateZ(0);
}
.card:focus{outline:none;box-shadow:0 0 0 4px rgba(238,77,45,.18), 0 10px 20px rgba(15,23,42,.10)}
.card:hover{border-color:rgba(238,77,45,.35);transform:translateY(-2px)}
.card:active{transform:translateY(0px)}

.thumb{aspect-ratio:1/1;background:#f3f4f6;position:relative}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}

.badges{position:absolute;left:8px;top:8px;display:flex;gap:6px;flex-wrap:wrap}
.badge{font-size:10px;font-weight:800;color:#fff;padding:5px 8px;border-radius:999px;letter-spacing:.2px;box-shadow:0 10px 18px rgba(15,23,42,.12)}
.badge.hot{background:linear-gradient(135deg, var(--hot), #fb7185)}
.badge.good{background:linear-gradient(135deg, var(--good), #34d399)}
.badge.deal{background:linear-gradient(135deg, var(--deal), #fbbf24);color:#3b2f05}

.body{padding:10px}
.name{margin:0 0 6px;font-size:12px;font-weight:750;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:32px}
.desc{margin:0 0 8px;color:var(--muted);font-size:11.5px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:30px}
.cta{
  margin-top:2px;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:9px 10px;
  border-radius:12px;
  font-size:12px;
  font-weight:900;
  letter-spacing:.4px;
  color:#fff;
  background:linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow:0 10px 18px rgba(238,77,45,.22);
}

.empty{background:rgba(255,255,255,.8);border:1px dashed rgba(238,77,45,.35);border-radius:14px;padding:14px;margin-top:10px}
.empty h3{margin:0 0 6px;font-size:14px}
.empty p{margin:0;color:var(--muted);font-size:13px}

.note{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:13px;line-height:1.5}

.footer{margin-top:18px;padding:18px 0;background:linear-gradient(180deg, rgba(238,77,45,.10), rgba(255,122,24,.06))}
.footer__inner{color:rgba(31,41,55,.8);font-size:12px}

/* Blink effect (nhẹ, không chói) */
.blink{
  animation: blinkGlow 1.2s infinite;
}
@keyframes blinkGlow{
  0%, 100%{opacity:1; filter:drop-shadow(0 0 0 rgba(255,255,255,0));}
  50%{opacity:.55; filter:drop-shadow(0 6px 16px rgba(255,255,255,.35));}
}

/* Tôn trọng người dùng giảm chuyển động */
@media (prefers-reduced-motion: reduce){
  .blink{animation:none !important;}
}