:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#0b1220;
  --muted:#6b7280;
  --border:#e5e7eb;
  --accent:#ee4d2d;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;color:var(--text)}
a{color:inherit;text-decoration:none}

.sc-container{max-width:1100px;margin:0 auto;padding:0 14px}

/* Top bar */
.sc-topbar{position:sticky;top:0;z-index:50;background:linear-gradient(90deg,var(--accent),#ff7a45);padding:10px 0;border-bottom:1px solid rgba(255,255,255,.18)}
.sc-topbar-inner{display:flex;gap:10px;align-items:center}
.sc-logo{font-weight:800;color:#fff;letter-spacing:.3px}
.sc-search{flex:1;display:flex;align-items:center;background:#fff;border-radius:999px;padding:10px 12px;gap:8px}
.sc-search input{border:none;outline:none;flex:1;font-size:14px}
.sc-iconbtn{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.18);display:grid;place-items:center;color:#fff}

/* Banners */
.sc-banners{margin:12px 0}
.sc-banner-track{display:flex;gap:12px;overflow:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
.sc-banner{min-width:86%;height:140px;border-radius:16px;background:var(--card);border:1px solid var(--border);scroll-snap-align:start;display:flex;align-items:center;justify-content:center;color:var(--muted);font-weight:600}

/* Categories */
.sc-section{margin:14px 0}
.sc-title{display:flex;align-items:center;justify-content:space-between;margin:0 0 10px 0}
.sc-title h2{font-size:16px;margin:0}
.sc-title a{font-size:13px;color:var(--accent)}

.sc-cats{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.sc-cat{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:10px 8px;text-align:center}
.sc-cat .ico{width:34px;height:34px;border-radius:12px;background:rgba(238,77,45,.12);margin:0 auto 8px;display:grid;place-items:center;color:var(--accent);font-weight:800}
.sc-cat span{font-size:12px;color:var(--text);display:block;line-height:1.1}

/* Flash sale */
.sc-flash{display:flex;gap:10px;overflow:auto;padding-bottom:6px}
.sc-deal{min-width:160px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:12px}
.sc-deal .badge{display:inline-block;background:rgba(238,77,45,.12);color:var(--accent);font-size:11px;padding:4px 8px;border-radius:999px}
.sc-deal h3{font-size:13px;margin:10px 0 6px 0}
.sc-price{font-weight:800}
.sc-muted{color:var(--muted);font-size:12px}

/* Product grid */
.sc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.sc-product{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.sc-thumb{height:120px;background:linear-gradient(135deg,#fff,#f3f4f6);display:grid;place-items:center;color:var(--muted);font-weight:700}
.sc-pbody{padding:10px}
.sc-pname{font-size:13px;margin:0 0 6px 0;line-height:1.25;min-height:34px}
.sc-prices{display:flex;gap:8px;align-items:baseline}
.sc-sale{color:var(--accent);font-weight:900}
.sc-old{color:var(--muted);text-decoration:line-through;font-size:12px}
.sc-cta{margin-top:10px;display:flex;gap:8px}
.sc-btn{flex:1;border-radius:12px;padding:10px 10px;border:1px solid var(--border);background:#fff;font-weight:700;font-size:13px;cursor:pointer}
.sc-btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}

/* Bottom nav */
.sc-bottom{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--border);padding:10px 0;z-index:40}
.sc-bottom-inner{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.sc-nav{display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);font-size:11px}
.sc-dot{width:26px;height:26px;border-radius:12px;background:#f3f4f6;display:grid;place-items:center}
.sc-nav.active{color:var(--accent)}
.sc-nav.active .sc-dot{background:rgba(238,77,45,.12)}

@media (min-width: 900px){
  .sc-banner{min-width:48%;height:180px}
  .sc-grid{grid-template-columns:repeat(4,1fr)}
  .sc-cats{grid-template-columns:repeat(10,1fr)}
}