:root {
  --negro: #111827;
  --gris: #6b7280;
  --borde: #e5e7eb;
  --fondo: #f6f5f1;
  --amarillo: #facc15;
  --amarillo-osc: #eab308;
  --rojo: #dc2626;
  --verde: #16a34a;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, 'Segoe UI', sans-serif; background: var(--fondo); color: var(--negro); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
[hidden] { display: none !important; }

.top { background: var(--negro); position: sticky; top: 0; z-index: 20; }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { color: #fff; text-decoration: none; font-size: 1.15rem; }
.logo b { color: var(--amarillo); }
.btn-carrito { background: var(--amarillo); color: var(--negro); border: 0; border-radius: 999px; padding: 9px 16px; font-weight: 700; cursor: pointer; display: flex; gap: 6px; align-items: center; font-size: .95rem; }
.badge { background: var(--negro); color: #fff; border-radius: 999px; min-width: 22px; height: 22px; display: inline-grid; place-items: center; font-size: .8rem; padding: 0 6px; }

.hero { background: linear-gradient(135deg, #1f2937, #111827); color: #fff; padding: 36px 0 40px; }
.hero h1 { margin: 0 0 8px; font-size: clamp(1.7rem, 4.5vw, 2.6rem); line-height: 1.1; }
.hero em { color: var(--amarillo); font-style: normal; }
.hero p { margin: 0 0 20px; color: #d1d5db; }
#buscador { width: 100%; max-width: 640px; padding: 15px 18px; border-radius: 12px; border: 0; font-size: 1rem; outline: 3px solid transparent; }
#buscador:focus { outline-color: var(--amarillo); }

.chips { display: flex; gap: 8px; overflow-x: auto; padding: 18px 0 6px; scrollbar-width: thin; }
.chip { flex: 0 0 auto; border: 1px solid var(--borde); background: #fff; border-radius: 999px; padding: 8px 14px; cursor: pointer; font-size: .9rem; white-space: nowrap; }
.chip.activo { background: var(--negro); color: #fff; border-color: var(--negro); }
.resumen { color: var(--gris); font-size: .9rem; margin: 8px 0 14px; min-height: 1.2em; }

.grilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; padding-bottom: 60px; }
.tarjeta { background: #fff; border: 1px solid var(--borde); border-radius: 14px; padding: 14px; display: flex; flex-direction: column; gap: 6px; }
.tarjeta .icono { color: #92400e; background: #fef9c3; border-radius: 10px; height: 74px; display: grid; place-items: center; }
.tarjeta .marca { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--gris); margin-top: 4px; }
.tarjeta h3 { margin: 0; font-size: 1rem; line-height: 1.25; }
.tarjeta .desc { margin: 0; color: var(--gris); font-size: .85rem; flex: 1; }
.tarjeta .precio { font-size: 1.3rem; font-weight: 800; }
.estado { font-size: .78rem; font-weight: 600; }
.estado.ok { color: var(--verde); }
.estado.poco { color: #b45309; }
.estado.sin { color: var(--rojo); }
.btn { border: 1px solid var(--borde); background: #fff; border-radius: 10px; padding: 11px 16px; font-weight: 700; cursor: pointer; font-size: .95rem; }
.btn.primario { background: var(--amarillo); border-color: var(--amarillo-osc); color: var(--negro); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.vacio { grid-column: 1 / -1; text-align: center; color: var(--gris); padding: 50px 0; }

.velo { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 30; }
.panel { position: fixed; top: 0; right: 0; height: 100%; width: min(420px, 100%); background: #fff; z-index: 40; display: flex; flex-direction: column; transform: translateX(100%); transition: transform .25s ease; }
.panel.abierto { transform: none; }
.panel-cab { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px; border-bottom: 1px solid var(--borde); }
.panel-cab h2 { margin: 0; font-size: 1.15rem; }
.cerrar { background: none; border: 0; font-size: 1.3rem; cursor: pointer; }
.lineas { flex: 1; overflow-y: auto; padding: 8px 18px; }
.linea { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; padding: 12px 0; border-bottom: 1px solid var(--borde); }
.linea .nom { font-weight: 600; font-size: .92rem; }
.linea .sub { color: var(--gris); font-size: .8rem; }
.linea .imp { font-weight: 700; text-align: right; }
.cant { display: inline-flex; align-items: center; border: 1px solid var(--borde); border-radius: 8px; overflow: hidden; }
.cant button { background: #f9fafb; border: 0; width: 30px; height: 30px; cursor: pointer; font-size: 1.05rem; }
.cant span { min-width: 30px; text-align: center; font-weight: 700; }
.quitar { background: none; border: 0; color: var(--rojo); cursor: pointer; font-size: .8rem; justify-self: end; }
.carrito-vacio { text-align: center; color: var(--gris); padding: 50px 0; }
.panel-pie { padding: 16px 18px; border-top: 1px solid var(--borde); display: grid; gap: 12px; }
.total-fila { display: flex; justify-content: space-between; font-size: 1.15rem; }
.panel-pie .btn { width: 100%; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 50; display: grid; place-items: center; padding: 16px; }
.modal-caja { background: #fff; border-radius: 16px; padding: 24px; width: min(440px, 100%); max-height: 95vh; overflow-y: auto; }
.modal-caja h2 { margin: 0 0 4px; }
.sub { color: var(--gris); margin: 0 0 14px; font-size: .9rem; }
label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 12px; }
input, textarea { width: 100%; margin-top: 5px; padding: 11px 12px; border: 1px solid #d1d5db; border-radius: 9px; font: inherit; }
.error { background: #fee2e2; color: #991b1b; padding: 10px 12px; border-radius: 9px; font-size: .88rem; margin: 0 0 12px; }
.modal-acc { display: flex; gap: 10px; justify-content: flex-end; }
#exito { text-align: center; }
#exito p { color: var(--gris); }
.check { width: 64px; height: 64px; border-radius: 50%; background: var(--verde); color: #fff; font-size: 2rem; display: grid; place-items: center; margin: 0 auto 10px; }

.tarjeta .usos { margin: 0; color: #9a6b00; font-size: .78rem; }
.tarjeta.agotado { opacity: .6; }
.tarjeta .btn { margin-top: 4px; }
.ia-cta { background: rgba(250, 204, 21, .1); border: 1px solid rgba(250, 204, 21, .45); border-radius: 16px; padding: 16px 18px; margin: 0 0 18px; max-width: 640px; }
.ia-cab { display: flex; flex-direction: column; gap: 4px; }
.ia-tag { align-self: flex-start; background: var(--amarillo); color: var(--negro); border-radius: 999px; padding: 2px 10px; font-size: .75rem; font-weight: 800; }
.ia-cab strong { font-size: 1.1rem; }
.ia-cta p { margin: 6px 0 12px; font-size: .9rem; }
.ia-sugs { display: flex; flex-wrap: wrap; gap: 8px; }
.ia-sugs button { background: #fff; color: var(--negro); border: 0; border-radius: 999px; padding: 9px 14px; font-weight: 700; font-size: .88rem; cursor: pointer; }
.ia-sugs button:hover { background: var(--amarillo); }
.ia-sugs button.otro { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4); }
@media (max-width: 520px) { .btn-carrito span:nth-child(2) { display: none; } }
:focus-visible { outline: 3px solid var(--amarillo-osc); outline-offset: 2px; }

.chip { display: inline-flex; align-items: center; gap: 6px; }
.chip-ic { display: inline-flex; }
.chip-ic svg { display: block; }