:root{
  --primary:#c62828;
  --primary-dark:#8e0000;
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --success:#0f766e;
  --shadow:0 16px 36px rgba(0,0,0,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1240px;margin:0 auto;padding:0 18px}
.topbar{background:#111827;color:#fff;font-size:14px}
.topbar .container{display:flex;justify-content:space-between;gap:12px;padding:10px 18px;flex-wrap:wrap}
.header{background:#fff;box-shadow:0 2px 14px rgba(0,0,0,.05);position:sticky;top:0;z-index:30}
.header .container{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 18px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:24px;color:var(--primary-dark)}
.brand img{width:52px;height:52px;object-fit:contain}
.nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.nav a{font-weight:700;color:#374151}
.nav a:hover{color:var(--primary)}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.badge-cart{display:inline-flex;align-items:center;gap:8px;background:#fff5f5;border:1px solid #fecaca;color:var(--primary-dark);padding:10px 14px;border-radius:999px;font-weight:800}
.search-form{display:flex;gap:8px;flex:1;max-width:420px}
.search-form input,.input,.select,.textarea{width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:14px;background:#fff;font:inherit}
.textarea{min-height:120px;resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:14px;padding:12px 18px;font-weight:800;cursor:pointer;transition:.2s;box-shadow:none}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(180deg,var(--primary),var(--primary-dark));color:#fff}
.btn-light{background:#fff;border:1px solid var(--border);color:#111827}
.btn-success{background:linear-gradient(180deg,#16a34a,#15803d);color:#fff}
.btn-small{padding:10px 14px;font-size:14px;border-radius:12px}
.hero{padding:42px 0;background:linear-gradient(135deg,#fff,#fdecec)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.eyebrow{display:inline-block;background:#fee2e2;color:var(--primary-dark);padding:8px 14px;border-radius:999px;font-weight:800;font-size:13px;margin-bottom:14px}
.hero h1{font-size:46px;line-height:1.05;margin:0 0 16px}
.hero p{font-size:18px;color:var(--muted);margin:0 0 22px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-media img{border-radius:26px;box-shadow:var(--shadow)}
.section{padding:34px 0}
.section-alt{background:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.section-head h2{margin:0;font-size:32px}
.section-head p{margin:0;color:var(--muted)}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.category-card,.stat-card,.admin-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.category-card strong{display:block;font-size:18px;margin-bottom:8px}
.category-card span{color:var(--muted)}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product-card{background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.product-thumb{background:#fff;padding:14px;height:220px;display:flex;align-items:center;justify-content:center}
.product-thumb img{max-height:190px;object-fit:contain}
.product-body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1}
.product-body h3{margin:0;font-size:18px;line-height:1.2}
.product-body p{margin:0;color:var(--muted);font-size:14px}
.tag{display:inline-block;background:#fff5f5;color:var(--primary-dark);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}
.product-footer{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:12px}
.price{font-size:28px;font-weight:900;color:var(--primary-dark)}
.info-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;background:#fff;border:1px solid var(--border);border-radius:24px;padding:20px;box-shadow:var(--shadow)}
.info-strip div{display:flex;flex-direction:column;gap:6px}.info-strip strong{font-size:18px}.info-strip span{color:var(--muted)}
.page-head{padding:28px 0 12px}.page-head h1{margin:0 0 8px;font-size:38px}.page-head p{margin:0;color:var(--muted)}
.filters{display:grid;grid-template-columns:220px 1fr auto;gap:12px;margin:18px 0 24px}
.product-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}.gallery-box,.detail-box,.cart-box,.checkout-box,.contact-box,.admin-layout,.table-wrap{background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow)}
.gallery-box,.detail-box,.cart-box,.checkout-box,.contact-box{padding:22px}
.gallery-box{display:flex;align-items:center;justify-content:center;min-height:420px}.gallery-box img{max-height:360px;object-fit:contain}
.detail-box h1{margin:0 0 12px;font-size:36px}.detail-box .meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.detail-box p{color:var(--muted);line-height:1.7}
.qty-row{display:flex;gap:12px;align-items:center;margin:18px 0}.qty-row input{width:120px}
.cart-table,.admin-table{width:100%;border-collapse:collapse}.cart-table th,.cart-table td,.admin-table th,.admin-table td{padding:14px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}.cart-table img{width:68px;height:68px;object-fit:contain;background:#fff;padding:6px;border:1px solid var(--border);border-radius:12px}
.summary{margin-top:18px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.summary strong{font-size:28px;color:var(--primary-dark)}
.checkout-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.helper{font-size:13px;color:var(--muted)}
.footer{margin-top:34px;background:#111827;color:#fff}.footer .container{display:grid;grid-template-columns:2fr 1fr 1fr;gap:22px;padding:34px 18px}.footer h4{margin:0 0 10px}.footer p,.footer li,.footer a{color:#d1d5db}.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.copy{border-top:1px solid rgba(255,255,255,.12);padding:14px 0;text-align:center;color:#cbd5e1}
.notice{padding:14px 16px;border-radius:14px;background:#ecfeff;border:1px solid #a5f3fc;color:#155e75;margin-bottom:16px}.success{background:#ecfdf5;border-color:#bbf7d0;color:#166534}.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.admin-shell{display:grid;grid-template-columns:260px 1fr;gap:20px;padding:26px 0}.sidebar{background:#fff;border:1px solid var(--border);border-radius:22px;padding:18px;box-shadow:var(--shadow);height:max-content}.sidebar a{display:flex;padding:12px 14px;border-radius:12px;font-weight:800;color:#374151}.sidebar a:hover,.sidebar a.active{background:#fff5f5;color:var(--primary-dark)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.stat-card strong{display:block;font-size:32px;color:var(--primary-dark)}.table-wrap{padding:0;overflow:auto}.admin-table th{background:#f9fafb;font-size:13px;text-transform:uppercase;color:#6b7280}.admin-table tr:hover td{background:#fcfcfd}.status{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}.status.ok{background:#ecfdf5;color:#166534}.status.off{background:#fef2f2;color:#991b1b}
.reveal{opacity:0;transform:translateY(18px);transition:all .5s ease}.reveal.show{opacity:1;transform:none}
@media (max-width:1100px){.product-grid,.category-grid,.stats{grid-template-columns:repeat(2,1fr)}.hero-grid,.product-layout,.checkout-grid,.admin-shell,.footer .container{grid-template-columns:1fr}.filters{grid-template-columns:1fr}.search-form{max-width:none}}
@media (max-width:700px){.product-grid,.category-grid,.info-strip,.grid-2,.stats{grid-template-columns:1fr}.hero h1{font-size:34px}.page-head h1{font-size:30px}.header .container{align-items:flex-start;flex-direction:column}.nav,.actions{width:100%}.search-form{width:100%}.summary{align-items:flex-start}.cart-table,.admin-table{min-width:760px}.footer .container{grid-template-columns:1fr}}