:root{--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--bg:#f8fafc;--brand:#111827;--accent:#d91e18;--white:#fff}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}a{color:inherit;text-decoration:none}.container{width:min(1180px,92%);margin:auto}.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:22px;font-weight:900;letter-spacing:.08em}.brand span{color:var(--accent)}nav{display:flex;gap:18px;align-items:center;font-size:14px}.cart b{background:var(--accent);color:#fff;border-radius:99px;padding:2px 7px}.hero{margin:36px 0;background:#111827;color:#fff;border-radius:24px;padding:58px;display:grid;grid-template-columns:1.4fr .8fr;gap:40px;align-items:center}.hero h1{font-size:clamp(36px,5vw,62px);line-height:1.02;margin:10px 0 18px}.hero p{color:#d1d5db;font-size:18px}.hero-card{background:#fff;color:#111827;border-radius:20px;padding:30px}.hero-icon{font-size:70px}.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:800;color:var(--accent)}.section{padding:30px 0 70px}.section h1,.section h2{line-height:1.1}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.search{display:flex;gap:8px}.search input,.search select,.auth input,.admin-form input,.admin-form select,.admin-form textarea,label input,label textarea,label select{padding:12px;border:1px solid #d1d5db;border-radius:10px;background:#fff;width:100%}label{display:block;font-weight:700;margin:12px 0}label input,label textarea,label select{display:block;margin-top:6px;font-weight:400}.btn{display:inline-block;border:0;background:var(--accent);color:#fff;padding:12px 18px;border-radius:10px;font-weight:800;cursor:pointer}.btn.secondary{background:#374151}.btn.full{width:100%;text-align:center;margin-top:10px}.btn.small{padding:7px 10px}.grid{display:grid;gap:20px}.products{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.card img{width:100%;height:220px;object-fit:contain;background:#fff}.card-body{padding:18px}.card h3{margin:6px 0}.tag{font-size:11px;color:var(--accent);font-weight:800;text-transform:uppercase}.price{font-weight:900;font-size:20px;margin:6px 0}.price.big{font-size:32px}.muted{color:var(--muted);font-size:14px}.alert{padding:13px 16px;border-radius:10px;margin:20px 0}.success{background:#dcfce7;color:#166534}.error{background:#fee2e2;color:#991b1b}.empty{background:#fff;border:1px dashed #cbd5e1;padding:40px;text-align:center;border-radius:14px}.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:55px 0}.detail-img{width:100%;max-height:520px;object-fit:contain;background:#fff;border-radius:18px}.qty{width:80px;padding:10px;border:1px solid #d1d5db;border-radius:8px}.cart-list{background:#fff;border-radius:16px;border:1px solid var(--line)}.cart-row{display:flex;align-items:center;gap:18px;padding:18px;border-bottom:1px solid var(--line)}.cart-row img{width:90px;height:70px;object-fit:contain}.grow{flex:1}.danger{color:#b91c1c}.link{background:none;border:0;text-decoration:underline;cursor:pointer}.inline{display:inline}.cart-total{display:flex;justify-content:space-between;align-items:center;padding:24px;background:#fff}.auth{max-width:500px;margin:70px auto;background:#fff;padding:35px;border-radius:18px;border:1px solid var(--line)}.checkout-grid{display:grid;grid-template-columns:1fr 380px;gap:35px}.summary{background:#fff;padding:25px;border-radius:16px;border:1px solid var(--line);height:max-content}.summary p{display:flex;justify-content:space-between;gap:15px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stats div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.stats span{display:block;color:var(--muted)}.stats strong{display:block;font-size:30px;margin-top:5px}.admin-links{display:flex;gap:15px;margin-top:25px}.admin-links a{background:#fff;border:1px solid var(--line);padding:18px;border-radius:12px}.admin-form{background:#fff;padding:25px;border:1px solid var(--line);border-radius:16px;margin-bottom:30px}.narrow{max-width:700px;margin:auto}table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f3f4f6}footer{background:#111827;color:#fff;padding:45px 0;margin-top:40px}footer p{color:#cbd5e1}@media(max-width:900px){.products{grid-template-columns:repeat(2,1fr)}.hero,.product-detail,.checkout-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.nav{flex-direction:column;padding:14px 0}nav{flex-wrap:wrap;justify-content:center}.section-head{align-items:stretch;flex-direction:column}.search{flex-direction:column}}@media(max-width:560px){.products{grid-template-columns:1fr}.hero{padding:32px}.stats{grid-template-columns:1fr}.cart-row{flex-wrap:wrap}}