:root{
  --bg:#f4f8fb; --ink:#0c1b2a; --muted:#5b6b7a; --line:#dde6ee;
  --brand:#0a7ea4; --brand-2:#06b6d4; --accent:#f59e0b; --ok:#10b981; --err:#ef4444;
  --card:#fff; --radius:14px; --shadow:0 4px 16px rgba(10,30,50,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,system-ui,Segoe UI,Roboto,sans-serif;line-height:1.55}
a{color:var(--brand);text-decoration:none}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
.site-header{background:linear-gradient(90deg,#06283d,#0a7ea4);color:#fff}
.site-header a{color:#fff}
.nav{display:flex;justify-content:space-between;align-items:center;padding:16px 20px}
.brand{font-weight:800;font-size:22px;letter-spacing:.3px}
.brand-mark{color:var(--brand-2);margin-right:6px}
.nav nav a{margin-left:18px;font-weight:500}
.cart-link .badge{background:var(--accent);color:#000;border-radius:999px;padding:2px 8px;font-size:12px;margin-left:4px}
.flash{background:#e0f2fe;border:1px solid #7dd3fc;color:#075985;padding:10px 14px;border-radius:10px;margin:14px 0}
.hero{background:linear-gradient(135deg,#0a7ea4,#06b6d4);color:#fff;border-radius:var(--radius);padding:48px;margin:24px 0;display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:center}
.hero h1{font-size:40px;margin:0 0 10px}
.hero p{opacity:.95;font-size:18px}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:10px 18px;border-radius:10px;border:0;font-weight:600;cursor:pointer}
.btn-accent{background:var(--accent);color:#1a1300}
.btn-ghost{background:transparent;border:1px solid #fff;color:#fff}
.btn-block{display:block;width:100%;text-align:center}
.btn-sm{padding:6px 10px;font-size:13px}
.btn-danger{background:var(--err)}
.section-title{font-size:24px;margin:30px 0 14px}
.grid{display:grid;gap:18px}
.grid-products{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card .body{padding:14px}
.card h3{margin:4px 0;font-size:17px}
.card .price{color:var(--brand);font-weight:700}
.card .cmp{color:var(--muted);text-decoration:line-through;margin-left:6px;font-size:13px}
.thumb{aspect-ratio:1/1;background:#e6f4f9;display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:700;font-size:28px}
.thumb img{width:100%;height:100%;object-fit:cover}
.muted{color:var(--muted)}
.row{display:flex;gap:16px;align-items:center}
.split{display:grid;grid-template-columns:1.4fr 1fr;gap:24px}
.panel{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.field{display:block;margin-bottom:12px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;background:#fff}
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.table th,.table td{padding:12px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
.table th{background:#eef6fa;font-weight:700}
.status{padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600;display:inline-block}
.s-pending{background:#fef3c7;color:#92400e}
.s-verified,.s-paid{background:#dcfce7;color:#166534}
.s-rejected,.s-cancelled{background:#fee2e2;color:#991b1b}
.s-shipped{background:#dbeafe;color:#1e40af}
.s-delivered{background:#e0e7ff;color:#3730a3}
.qr-box{text-align:center;padding:16px;border:2px dashed var(--brand-2);border-radius:var(--radius);background:#ecfeff}
.qr-box img{max-width:240px;width:100%}
.site-footer{background:#06283d;color:#cfe6f0;margin-top:60px;padding:34px 0 18px}
.site-footer a{color:#cfe6f0}
.foot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.copy{border-top:1px solid #0a3a55;margin-top:18px;padding-top:14px;font-size:13px;color:#8fb6c8}
@media(max-width:760px){.hero{grid-template-columns:1fr;padding:28px} .split{grid-template-columns:1fr} .foot-grid{grid-template-columns:1fr}}

/* Admin */
.admin-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.admin-side{background:#06283d;color:#cfe6f0;padding:18px}
.admin-side h2{color:#fff;margin:0 0 14px;font-size:18px}
.admin-side a{display:block;color:#cfe6f0;padding:9px 10px;border-radius:8px;margin-bottom:2px}
.admin-side a.active,.admin-side a:hover{background:#0a3a55;color:#fff}
.admin-main{padding:24px;background:var(--bg)}
.admin-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.kpi{background:#fff;padding:18px;border-radius:var(--radius);box-shadow:var(--shadow)}
.kpi .n{font-size:26px;font-weight:800;color:var(--brand)}
.kpi .l{color:var(--muted);font-size:13px}
@media(max-width:900px){.admin-shell{grid-template-columns:1fr}.kpis{grid-template-columns:repeat(2,1fr)}}