/* Canasto — sistema de diseño PHP puro (cero CDN). Tema claro. */
:root{
  --marca:#0f766e; --marcad:#115e59; --marcaa:#14b8a6; --marcax:#f0fdfa;
  --tinta:#0f172a; --texto:#334155; --suave:#64748b; --linea:#e2e8f0;
  --foco:#0f766e; --sombrash:rgba(15,111,110,.16);
  --ok:#059669; --warn:#d97706; --bad:#dc2626; --oferta:#ea580c;
  --fondo:#f8fafc; --tarjeta:#ffffff;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--fondo);color:var(--texto);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.5}
a{color:var(--marca)}
h1,h2,h3{color:var(--tinta);line-height:1.25;margin:0 0 .5rem}
h1{font-size:1.7rem} h2{font-size:1.2rem}
.wrap{max-width:1000px;margin:0 auto;padding:0 16px}

/* cabecera estilo Santa Isabel: bloque logo + buscador píldora + acciones, tira de estado
   (paleta propia teal — se mantiene la identidad Canasto) */
.cab{position:sticky;top:0;z-index:30;background:#fff;box-shadow:0 1px 0 var(--linea),0 6px 16px rgba(15,23,42,.06)}
.cab-prin{display:flex;align-items:center;gap:16px;min-height:68px}
.logo-bloque{display:flex;align-items:center;gap:8px;background:var(--marca);color:#fff;font-weight:800;
  font-size:1.1rem;text-decoration:none;padding:12px 16px;border-radius:14px;border-bottom-right-radius:24px;
  flex:none;transition:background .15s}
.logo-bloque:hover{background:var(--marcad)}
.logo-bloque svg{width:20px;height:20px}
.buscador-cab{flex:1;min-width:0;display:flex;align-items:center;gap:8px;background:#fff;
  border:1.5px solid var(--linea);border-radius:999px;padding:4px 5px 4px 18px;transition:border-color .15s,box-shadow .15s}
.buscador-cab:focus-within{border-color:var(--marca);box-shadow:0 0 0 3px rgba(15,118,110,.15)}
.buscador-cab input[type=search]{flex:1;min-width:0;border:0;background:transparent;font-size:.98rem;
  padding:9px 0;color:var(--tinta);outline:none}
.buscador-cab input[type=search]::-webkit-search-cancel-button{-webkit-appearance:none}
.buscador-cab .lupa{width:38px;height:38px;border-radius:50%;border:0;background:var(--marca);color:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;flex:none;transition:background .15s}
.buscador-cab .lupa:hover{background:var(--marcad)}
.buscador-cab .lupa svg{width:17px;height:17px}
.cab-acc{display:flex;align-items:center;gap:10px;flex:none}
.acc{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border-radius:8px;font-size:.87rem;
  font-weight:600;color:var(--marcad);text-decoration:none;background:transparent;border:1.5px solid transparent;
  cursor:pointer;transition:background .15s,border-color .15s;white-space:nowrap;font-family:inherit}
.acc:hover{background:var(--marcax)}
.acc-esc{border-color:var(--marca);background:#fff}
.acc-esc:hover{background:var(--marcax)}
.acc svg{width:17px;height:17px}
.cab-tira{background:#f1f5f5;border-top:1px solid var(--linea);font-size:.8rem;color:var(--suave)}
.cab-tira .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.cab-tira b{color:var(--marcad)}

/* hero tipo banner */
.hero{background:linear-gradient(135deg,var(--marcax),#ffffff 72%);border:1px solid var(--linea);
  border-radius:18px;padding:24px 24px 14px;margin-top:22px;box-shadow:0 1px 3px rgba(15,23,42,.05)}
.hero p.lead{font-size:1.02rem;color:var(--suave);max-width:640px}
.hero .kpis{margin-bottom:0}
.buscador{display:flex;gap:10px;margin:16px 0 8px;flex-wrap:wrap}
.buscador input[type=search]{flex:1;min-width:220px;padding:12px 16px;font-size:1rem;
  border:1.5px solid var(--linea);border-radius:12px;background:#fff;color:var(--tinta)}
.buscador input[type=search]:focus{outline:3px solid var(--foco);outline-offset:1px;border-color:var(--marca)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;font-size:.95rem;font-weight:600;
  border-radius:12px;border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  background:var(--marca);color:#fff;transition:background .15s}
.btn:hover{background:var(--marcad)}
.btn-sec{background:#fff;color:var(--marcad);border-color:var(--marca)}
.btn-sec:hover{background:var(--marcax)}
.btn:focus-visible{outline:3px solid var(--foco);outline-offset:2px}
.btn svg{width:18px;height:18px}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:18px 0}
.kpi{background:var(--tarjeta);border-radius:12px;padding:12px 14px;box-shadow:0 1px 3px rgba(15,23,42,.08);
  border-top:3px solid var(--marca)}
.kpi .v{font-size:1.35rem;font-weight:800;color:var(--tinta)}
.kpi .k{font-size:.78rem;color:var(--suave);text-transform:uppercase;letter-spacing:.4px}

/* grilla de tarjetas de producto (estilo tienda, paleta propia) */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;margin:14px 0}
.tarjeta{display:flex;flex-direction:column;gap:4px;background:var(--tarjeta);border:1.5px solid var(--linea);
  border-radius:12px;padding:12px;text-decoration:none;color:inherit;position:relative;
  transition:box-shadow .15s,border-color .15s,transform .15s}
.tarjeta:hover{border-color:var(--marcaa);box-shadow:0 8px 22px var(--sombrash);transform:translateY(-2px)}
.t-foto{display:flex;align-items:center;justify-content:center;height:150px;background:#fff;margin:-2px 0 4px}
.t-foto img{max-width:100%;max-height:146px;object-fit:contain}
.t-foto .sin-foto{font-size:2rem;color:#cbd5e1}
.t-marca{font-size:.72rem;color:var(--suave);text-transform:uppercase;letter-spacing:.5px;font-weight:700;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.t-nombre{font-size:.9rem;font-weight:650;color:var(--tinta);line-height:1.3;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.4em}
.t-datos{font-size:.75rem;color:var(--suave)}
.t-pie{margin-top:auto;padding-top:8px;display:flex;flex-direction:column}
.t-precio{font-size:1.3rem;font-weight:800;color:var(--marca);letter-spacing:-.5px}
.t-precio.t-sin{font-size:.9rem;font-weight:700;color:var(--warn);letter-spacing:0}
.t-cad{font-size:.75rem;color:var(--suave)}
.badge-oferta{position:absolute;top:8px;left:8px;background:var(--oferta);color:#fff;font-size:.66rem;
  font-weight:800;padding:3px 8px;border-radius:6px;letter-spacing:.5px;text-transform:uppercase;z-index:2}
.tarjeta.sin-precio .t-foto{opacity:.55}

/* listas */
.lista{display:flex;flex-direction:column;gap:10px;margin:14px 0}
.item{display:flex;gap:14px;align-items:center;background:var(--tarjeta);border:1px solid var(--linea);
  border-radius:14px;padding:12px 14px;text-decoration:none;color:inherit;
  box-shadow:0 1px 2px rgba(15,23,42,.05);transition:box-shadow .15s,transform .15s}
.item:hover{box-shadow:0 6px 18px var(--sombrash);transform:translateY(-1px)}
.item img,.item .sin-foto{width:56px;height:56px;object-fit:contain;flex:none;background:#fff;
  border:1px solid var(--linea);border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:#cbd5e1;font-size:1.3rem}
.item .info{flex:1;min-width:0}
.item .nom{font-weight:650;color:var(--tinta);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical}
.item .meta{font-size:.8rem;color:var(--suave)}
.item .precio{text-align:right;flex:none}
.item .precio .monto{font-size:1.15rem;font-weight:800;color:var(--marca)}
.item .precio .cad{font-size:.75rem;color:var(--suave)}

/* tablas */
.tabla{width:100%;border-collapse:collapse;background:var(--tarjeta);border-radius:12px;
  overflow:hidden;box-shadow:0 1px 3px rgba(15,23,42,.08);font-size:.92rem}
.tabla th{background:var(--marcax);color:var(--marcad);text-align:left;padding:10px 12px;
  font-size:.78rem;text-transform:uppercase;letter-spacing:.4px}
.tabla td{padding:10px 12px;border-top:1px solid var(--linea)}
.tabla tr:hover td{background:#f8fafc}
.tabla .num{text-align:right;font-variant-numeric:tabular-nums}
.tabla .mejor td{background:#ecfdf5}
.pastilla{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.75rem;font-weight:650;
  white-space:nowrap;background:#f1f5f9;color:#475569}
.pastilla.ok{background:#d1fae5;color:#065f46}
.pastilla.warn{background:#fef3c7;color:#92400e}
.pastilla.mala{background:#fee2e2;color:#991b1b}

/* ficha de producto */
.ficha{display:flex;gap:18px;flex-wrap:wrap;background:var(--tarjeta);border:1px solid var(--linea);
  border-radius:16px;padding:18px;box-shadow:0 1px 3px rgba(15,23,42,.08);margin:16px 0}
.ficha img,.ficha .sin-foto{width:140px;height:140px;object-fit:contain;background:#fff;
  border:1px solid var(--linea);border-radius:12px;flex:none;display:flex;align-items:center;
  justify-content:center;color:#cbd5e1;font-size:2.4rem}
.ficha .datos{flex:1;min-width:240px}
.ficha .ean{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.82rem;color:var(--suave)}
.sellos{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.sello{font-size:.72rem;font-weight:800;padding:3px 8px;border-radius:6px;letter-spacing:.3px;
  text-transform:uppercase}
.sello.alto{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.sello.medio{background:#fef3c7;color:#92400e;border:1px solid #fde68a}
.sello.bajo{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}

/* avisos */
.aviso{border-radius:12px;padding:12px 16px;margin:14px 0;font-size:.92rem;border:1px solid}
.aviso.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
.aviso.ok{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.aviso.malo{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.vacio{color:var(--suave);font-style:italic;padding:16px 0}

/* gráfico */
.grafico{width:100%;height:auto;background:#fff;border:1px solid var(--linea);border-radius:12px}
.g-eje{font-size:11px;fill:#94a3b8}
.leyenda{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px;font-size:.82rem;color:var(--texto)}
.ley-item{display:inline-flex;align-items:center;gap:6px}
.ley-item i{width:12px;height:12px;border-radius:3px;display:inline-block}

/* modal escáner */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.72);z-index:50;display:none;
  align-items:center;justify-content:center;padding:16px}
.modal.abierto{display:flex}
.modal-caja{background:#fff;border-radius:16px;width:min(440px,100%);padding:18px;max-height:92vh;overflow:auto}
.modal-caja h3{margin-top:0}
#visor{width:100%;min-height:220px;background:#0f172a;border-radius:12px;display:flex;
  align-items:center;justify-content:center;color:#94a3b8;overflow:hidden}
#visor video{width:100%;display:block}
#lector-html5{width:100%}

.pie{margin-top:36px;padding:20px 0 30px;border-top:1px solid var(--linea);font-size:.82rem;color:var(--suave)}
.pie a{color:var(--suave)}
.paginacion{display:flex;gap:16px;align-items:center;justify-content:center;margin:18px 0;
  font-size:.9rem;color:var(--suave);flex-wrap:wrap}
.paginacion a{display:inline-block;padding:8px 16px;border:1.5px solid var(--linea);border-radius:10px;
  background:#fff;color:var(--marcad);font-weight:600;text-decoration:none}
.paginacion a:hover{border-color:var(--marca);background:var(--marcax)}
/* navegación por categoría */
.cats{display:flex;gap:8px;flex-wrap:wrap;margin:4px 0 14px}
.cat{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;
  background:#fff;border:1.5px solid var(--linea);color:var(--texto);font-size:.86rem;
  text-decoration:none;transition:border-color .15s,background .15s}
.cat b{font-weight:700;color:var(--suave);font-size:.78rem}
.cat:hover{border-color:var(--marcaa);background:var(--marcax)}
.cat.activa{background:var(--marca);border-color:var(--marca);color:#fff}
.cat.activa b{color:rgba(255,255,255,.85)}
/* autocompletado del buscador */
.sugerencias{position:absolute;top:100%;left:0;right:0;margin-top:6px;background:#fff;
  border:1px solid var(--linea);border-radius:12px;box-shadow:0 12px 30px rgba(15,23,42,.16);
  z-index:40;overflow:hidden;display:none;max-height:380px;overflow-y:auto}
.sug{display:flex;gap:10px;align-items:center;padding:9px 12px;text-decoration:none;color:inherit;
  border-bottom:1px solid #f1f5f9}
.sug:last-child{border-bottom:none}
.sug:hover,.sug.sel{background:var(--marcax)}
.sug img,.sug .sin-foto{width:40px;height:40px;object-fit:contain;background:#fff;border:1px solid var(--linea);
  border-radius:8px;flex:none;display:flex;align-items:center;justify-content:center;font-size:1rem}
.sug .sn{flex:1;min-width:0;font-size:.9rem;color:var(--tinta);font-weight:600;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.sug .sm{font-size:.75rem;color:var(--suave);font-weight:400}
.sug .sp{font-weight:800;color:var(--marca);white-space:nowrap}
.sug.vacio{color:var(--suave);font-style:italic;cursor:default}

@media (max-width:640px){
  h1{font-size:1.4rem}
  .item{gap:10px;padding:10px}
  .ficha{padding:14px}
  .tabla th,.tabla td{padding:8px;font-size:.85rem}
  /* header móvil: buscador a todo el ancho debajo, acciones compactas */
  .cab-prin{flex-wrap:wrap;gap:10px;padding-top:10px;padding-bottom:10px;min-height:0}
  .buscador-cab{order:3;flex:1 1 100%}
  .cab-acc .acc{padding:8px 10px;font-size:.8rem}
  .cab-tira .tira-der{display:none}
  .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
  .hero{padding:18px 16px 10px}
}
@media print{
  .cab,.nav,.buscador,.btn,.modal{display:none!important}
  body{background:#fff}
  .item,.tabla,.ficha,.kpi{box-shadow:none}
}