*{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#0ea5e9;--primary-dark:#0284c7;--bg:#0f172a;--card:#1e293b;--border:#334155;--text:#e2e8f0;--muted:#94a3b8;--success:#22c55e;--danger:#ef4444;--warning:#f59e0b}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif;background:#0b1220;color:var(--text);line-height:1.6}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.topbar{background:rgba(15,23,42,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px;flex-wrap:wrap}
.brand{font-weight:800;font-size:18px;color:#fff;display:flex;align-items:center;gap:8px}
.logo{font-size:22px}
.menu{display:flex;gap:18px}
.menu a{color:var(--muted);font-weight:600}
.menu a:hover{color:#fff}
.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.btn{padding:8px 14px;border-radius:8px;border:1px solid var(--border);color:var(--text);background:transparent;cursor:pointer}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-dark)}
.btn.small{padding:6px 10px;font-size:13px}
.btn-cart{position:relative;padding:8px 12px;border-radius:8px;background:var(--card);border:1px solid var(--border);color:#fff}
.badge{background:var(--danger);color:#fff;border-radius:999px;padding:0 6px;font-size:12px;margin-left:4px}
.user{color:var(--muted);font-size:13px}
.tag-admin{background:#7c3aed;color:#fff;border-radius:4px;padding:2px 6px;font-size:11px;margin-left:6px}
.alert{margin:16px 0;padding:12px 14px;border-radius:8px}
.alert.success{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:#86efac}
.alert.error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5}
.hero{margin:24px 0;background:linear-gradient(135deg,#0ea5e9 0%,#7c3aed 50%,#ef4444 100%);border-radius:16px;padding:36px 28px;color:#fff;position:relative;overflow:hidden}
.hero h1{font-size:32px;margin-bottom:8px}
.hero p{opacity:.9;max-width:680px}
.hero .cta{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}
.stat{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}
.stat .k{font-size:22px;font-weight:800;color:#fff}
.stat .l{font-size:12px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.card img{width:100%;height:160px;object-fit:cover;background:#0f172a}
.card-body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-weight:700;color:#fff;font-size:15px}
.card-sub{font-size:12px;color:var(--muted)}
.price{font-weight:800;color:#38bdf8}
.price del{color:var(--muted);font-weight:400;margin-left:6px;font-size:13px}
.features{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:11px;background:rgba(14,165,233,.15);color:#7dd3fc;border:1px solid rgba(14,165,233,.25);padding:3px 7px;border-radius:999px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}
.filters a{padding:7px 12px;border-radius:999px;border:1px solid var(--border);background:var(--card);color:var(--muted);font-size:13px}
.filters a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.detail{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:20px 0}
.detail img{width:100%;border-radius:12px;border:1px solid var(--border)}
.form{max-width:480px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin:20px auto}
.form h2{margin-bottom:12px}
.form input,.form select,.form textarea{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:#0f172a;color:var(--text);margin:8px 0}
.form button{width:100%;margin-top:10px}
.table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:13px}
.table th{background:#0f172a;color:var(--muted);font-weight:600}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.kv .box{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}
.footer{margin-top:36px;padding:24px 0;border-top:1px solid var(--border);text-align:center;color:var(--muted);font-size:13px}
.admin-layout{display:grid;grid-template-columns:220px 1fr;gap:18px;margin-top:18px}
.sidebar{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px;align-self:start;position:sticky;top:70px}
.sidebar a{display:block;padding:9px 10px;border-radius:8px;color:var(--muted);font-weight:600;font-size:13px}
.sidebar a.active,.sidebar a:hover{background:#0f172a;color:#fff}
.badge-danger{background:var(--danger);color:#fff;padding:2px 6px;border-radius:4px;font-size:11px}
.badge-warning{background:var(--warning);color:#000;padding:2px 6px;border-radius:4px;font-size:11px}
.badge-success{background:var(--success);color:#000;padding:2px 6px;border-radius:4px;font-size:11px}
.progress{height:8px;background:#0f172a;border-radius:999px;overflow:hidden;border:1px solid var(--border)}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--success),var(--primary))}
.muted{color:var(--muted)}
@media(max-width:900px){.grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}.detail{grid-template-columns:1fr}.admin-layout{grid-template-columns:1fr}}
@media(max-width:600px){.grid{grid-template-columns:1fr}}