:root{--bg:#fafafa;--card:#fff;--text:#111;--muted:#666;--border:#e5e7eb;--primary:#111;--radius:14px}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:12px}
.topbar{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--border);padding:10px 12px;display:flex;gap:10px;align-items:center;justify-content:space-between}
.brand{font-weight:800;letter-spacing:.2px}
.nav{display:flex;gap:8px;align-items:center}
.btn{border:1px solid var(--border);background:#fff;padding:8px 10px;border-radius:12px;cursor:pointer;font-weight:600}
.btn.primary{border-color:var(--primary);background:var(--primary);color:#fff}
.btn:disabled{opacity:.5;cursor:not-allowed}
.h2{margin:18px 0 10px;font-size:18px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:10px;display:flex;flex-direction:column;gap:8px}
.card img{width:100%;height:160px;object-fit:cover;border-radius:12px;background:#f3f4f6}
.row{display:flex;gap:10px;align-items:center;justify-content:space-between}
.badge{display:inline-block;background:#f3f4f6;border:1px solid var(--border);padding:2px 8px;border-radius:999px;font-size:12px}
.muted{color:var(--muted);font-size:14px}
.price{display:flex;gap:8px;align-items:baseline}
.old{text-decoration:line-through;color:#888;font-size:14px}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.input, select{border:1px solid var(--border);border-radius:12px;padding:10px;background:#fff}
.input{min-width:220px;flex:1}
select{min-width:200px}
.kpi{display:flex;gap:8px;align-items:center}
.kpi .dot{width:8px;height:8px;border-radius:999px;background:#10b981}
.kpi.off .dot{background:#ef4444}
.footer{padding:20px 0;color:var(--muted);font-size:13px;text-align:center}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;padding:12px;z-index:80}
.modal-card{background:#fff;border-radius:16px;padding:14px;max-width:460px;width:100%}
.hidden{display:none !important}
.list{display:flex;flex-direction:column;gap:8px;margin-top:10px}

/* Drawer (Cart) */
.drawer{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;justify-content:flex-end;z-index:60}
.drawer-card{width:min(440px,100%);background:#fff;height:100%;padding:12px;display:flex;flex-direction:column}
.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:8px;margin-bottom:8px}
.cart-items{flex:1;overflow:auto;display:flex;flex-direction:column;gap:8px}
.cart-row{display:flex;gap:10px;align-items:center;border:1px solid var(--border);border-radius:12px;padding:8px}
.cart-row img{width:58px;height:58px;border-radius:10px;object-fit:cover;background:#f3f4f6}
.qty{display:flex;gap:6px;align-items:center;margin-inline-start:auto}
.cart-form{border-top:1px solid var(--border);padding-top:8px;display:flex;flex-direction:column;gap:8px}
.cart-form input{padding:10px;border:1px solid var(--border);border-radius:12px}
.total{font-weight:800}

/* Prevent scroll when cart open */
html.cart-open, body.cart-open{overflow:hidden}

@media (min-width:860px){
  .grid{grid-template-columns:repeat(4,1fr)}
  .card img{height:170px}
}