:root {
  --amarillo: #ffe600;
  --azul: #3483fa;
  --azul-osc: #2968c8;
  --verde: #00a650;
  --rojo: #f23d4f;
  --naranja: #ff7733;
  --texto: #333;
  --gris: #666;
  --gris-cl: #999;
  --linea: #e6e6e6;
  --fondo: #ebebeb;
  --tarjeta: #fff;
  --marca: #b8793e;
  --sombra: 0 1px 2px 0 rgba(0, 0, 0, .2);
  --radio: 6px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--fondo); color: var(--texto);
  font-family: "Proxima Nova", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px; line-height: 1.4; -webkit-font-smoothing: antialiased;
}
a { color: var(--azul); text-decoration: none; }
a:hover { color: var(--azul-osc); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
.contenedor { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ── cabecera ── */
.top { background: var(--amarillo); box-shadow: 0 1px 0 0 rgba(0,0,0,.1); position: sticky; top: 0; z-index: 50; }
.top-fila { display: flex; align-items: center; gap: 24px; padding: 10px 0 6px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--texto); font-weight: 700; min-width: 0; }
.logo:hover { color: var(--texto); }
.logo-img { width: 48px; height: 48px; border-radius: 50%; background: #fff; flex: none; box-shadow: 0 0 0 2px rgba(255,255,255,.7); }
.logo-txt { line-height: 1.1; font-size: 17px; }
.logo-txt small { display: block; font-weight: 400; font-size: 11px; color: #555; margin-top: 2px; }
.buscador { flex: 1; position: relative; max-width: 620px; }
.buscador form { display: flex; background: #fff; border-radius: 2px; box-shadow: 0 1px 2px 0 rgba(0,0,0,.2); }
.buscador input { flex: 1; border: 0; padding: 11px 14px; font-size: 16px; outline: 0; background: transparent; min-width: 0; }
.buscador button { border: 0; border-left: 1px solid var(--linea); background: #fff; width: 48px; font-size: 18px; color: #666; border-radius: 0 2px 2px 0; }
.sugerencias { position: absolute; left: 0; right: 0; top: calc(100% + 2px); background: #fff; border-radius: 4px; box-shadow: 0 8px 24px rgba(0,0,0,.2); overflow: hidden; z-index: 60; }
.sugerencias a { display: flex; gap: 10px; align-items: center; padding: 8px 14px; color: var(--texto); border-bottom: 1px solid #f2f2f2; }
.sugerencias a:hover, .sugerencias a.sel { background: #f5f5f5; }
.sugerencias img { width: 34px; height: 34px; object-fit: cover; border-radius: 3px; }
.top-banner { flex: none; display: none; }
.top-nav { display: flex; align-items: center; gap: 22px; padding: 2px 0 8px; font-size: 13px; }
.top-nav a, .top-nav button { color: #333; background: none; border: 0; padding: 4px 0; opacity: .85; white-space: nowrap; }
.top-nav a:hover, .top-nav button:hover { opacity: 1; color: #000; }
.top-nav .izq { display: flex; gap: 22px; align-items: center; }
.top-nav .der { margin-left: auto; display: flex; gap: 22px; align-items: center; }
.envia-a { display: flex; align-items: center; gap: 6px; font-size: 12px; color: #333; opacity: .8; white-space: nowrap; }
.top-nav .chip-rol { background: #333; color: #fff; border-radius: 10px; padding: 3px 12px; font-size: 12px; opacity: 1; }
.top-nav .chip-rol:hover { color: #fff; background: #000; }
.chip-rol .n { background: var(--rojo); border-radius: 8px; padding: 0 6px; margin-left: 4px; }
.carrito-btn { position: relative; font-size: 20px !important; }
.carrito-btn .n { position: absolute; top: -6px; right: -12px; background: var(--rojo); color: #fff; border-radius: 9px; font-size: 11px; min-width: 18px; text-align: center; padding: 1px 4px; }
.carrito-movil { display: none; color: #333; font-size: 24px; margin-left: auto; position: relative; padding: 4px 10px; }
.menu-cat { position: relative; }
.menu-cat-lista { position: absolute; top: 100%; left: 0; background: #fff; min-width: 240px; border-radius: 0 0 6px 6px; box-shadow: 0 8px 24px rgba(0,0,0,.25); padding: 8px 0; z-index: 70; }
.menu-cat-lista a { display: block; padding: 9px 18px; color: #333; font-size: 14px; }
.menu-cat-lista a:hover { background: #f5f5f5; color: var(--azul); }

/* ── bloques generales ── */
main { min-height: 70vh; padding: 16px 0 40px; }
.tarjeta { background: var(--tarjeta); border-radius: var(--radio); box-shadow: var(--sombra); padding: 20px; }
.titulo-sec { font-size: 22px; font-weight: 600; margin: 24px 0 12px; display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.titulo-sec a { font-size: 14px; font-weight: 400; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; border-radius: 6px; padding: 12px 24px; font-weight: 600; font-size: 16px; background: var(--azul); color: #fff; text-align: center; transition: background .15s; }
.btn:hover { background: var(--azul-osc); color: #fff; }
.btn.sec { background: rgba(65,137,230,.15); color: var(--azul); }
.btn.sec:hover { background: rgba(65,137,230,.25); color: var(--azul-osc); }
.btn.verde { background: var(--verde); }
.btn.verde:hover { background: #008f45; }
.btn.rojo { background: var(--rojo); }
.btn.gris { background: #eee; color: #444; }
.btn.chico { padding: 6px 12px; font-size: 13px; border-radius: 4px; }
.btn.block { display: flex; width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.link { background: none; border: 0; color: var(--azul); padding: 0; font-size: inherit; }
.muted { color: var(--gris); }
.pequeno { font-size: 12px; }
.verde-t { color: var(--verde); }
.rojo-t { color: var(--rojo); }
.miga { font-size: 13px; color: var(--gris); margin: 0 0 12px; }
.miga a { color: var(--gris); }
.miga a:hover { color: var(--azul); }
.aviso { background: #fff9c4; border: 1px solid #f0e68c; border-radius: 6px; padding: 10px 14px; margin-bottom: 14px; font-size: 14px; }
.aviso.error { background: #ffebee; border-color: #f5b5bd; color: #8a1c2a; }
.aviso.ok { background: #e6f6ec; border-color: #b4e1c5; color: #0b6a35; }
.vacio { text-align: center; padding: 56px 20px; color: var(--gris); }
.vacio .gran { font-size: 56px; }
.vacio h2 { color: var(--texto); font-weight: 600; margin: 8px 0; }

/* ── héroe ── */
.heroe { position: relative; border-radius: 6px; overflow: hidden; background: #2b2118; min-height: 260px; box-shadow: var(--sombra); }
.heroe-slide { display: none; position: relative; min-height: 260px; }
.heroe-slide.on { display: flex; }
.heroe-fondo { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .55; }
.heroe-contenido { position: relative; padding: 40px 48px; color: #fff; display: flex; flex-direction: column; justify-content: center; gap: 10px; max-width: 640px; }
.heroe-contenido h1 { margin: 0; font-size: 34px; line-height: 1.1; text-shadow: 0 2px 8px rgba(0,0,0,.5); }
.heroe-contenido p { margin: 0; font-size: 17px; text-shadow: 0 1px 6px rgba(0,0,0,.6); }
.heroe-contenido .btn { align-self: flex-start; margin-top: 8px; }
.heroe-pts { position: absolute; bottom: 10px; left: 0; right: 0; display: flex; justify-content: center; gap: 8px; }
.heroe-pts button { width: 9px; height: 9px; border-radius: 50%; border: 0; background: rgba(255,255,255,.5); padding: 0; }
.heroe-pts button.on { background: #fff; }
.heroe-flecha { position: absolute; top: 50%; transform: translateY(-50%); border: 0; width: 40px; height: 64px; background: rgba(255,255,255,.9); font-size: 22px; box-shadow: 0 2px 6px rgba(0,0,0,.3); }
.heroe-flecha.izq { left: 0; border-radius: 0 6px 6px 0; }
.heroe-flecha.der { right: 0; border-radius: 6px 0 0 6px; }
.beneficios { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 16px; padding: 0; overflow: hidden; }
.beneficio { display: flex; gap: 12px; padding: 18px 20px; align-items: center; border-right: 1px solid var(--linea); }
.beneficio:last-child { border-right: 0; }
.beneficio .ic { font-size: 28px; }
.beneficio b { display: block; font-size: 14px; }
.beneficio span { font-size: 12px; color: var(--gris); }
.cats { display: flex; flex-wrap: wrap; gap: 10px; }
.cat-chip { background: #fff; border-radius: 6px; padding: 12px 18px; box-shadow: var(--sombra); color: var(--texto); font-weight: 600; display: flex; flex-direction: column; min-width: 150px; }
.cat-chip small { font-weight: 400; color: var(--gris); }
.cat-chip:hover { color: var(--azul); box-shadow: 0 2px 10px rgba(0,0,0,.2); }

/* ── tarjetas de libro ── */
.grilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(204px, 1fr)); gap: 12px; }
.fila-libros { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x proximity; }
.fila-libros .libro { flex: 0 0 204px; scroll-snap-align: start; }
.libro { background: #fff; border-radius: 6px; box-shadow: var(--sombra); color: var(--texto); display: flex; flex-direction: column; overflow: hidden; transition: box-shadow .15s; position: relative; }
.libro:hover { box-shadow: 0 2px 16px rgba(0,0,0,.25); color: var(--texto); }
.libro-img { aspect-ratio: 1 / 1; background: #f6f6f6; display: flex; align-items: center; justify-content: center; overflow: hidden; border-bottom: 1px solid var(--linea); }
.libro-img img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.libro-cuerpo { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.libro-titulo { font-size: 14px; font-weight: 400; margin: 0; color: #333; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 38px; }
.libro-autor { font-size: 12px; color: var(--gris-cl); }
.precio-antes { color: var(--gris-cl); text-decoration: line-through; font-size: 13px; }
.precio { font-size: 22px; font-weight: 400; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.precio .off { color: var(--verde); font-size: 13px; }
.precio-consultar { font-size: 15px; color: var(--gris); font-weight: 600; }
.envio-gratis { color: var(--verde); font-size: 12px; font-weight: 600; }
.etiqueta { position: absolute; top: 10px; left: 10px; background: var(--azul); color: #fff; font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 3px; }
.etiqueta.agotado { background: #555; }
.etiqueta.dest { background: var(--naranja); }

/* ── búsqueda ── */
.buscar-cols { display: grid; grid-template-columns: 240px 1fr; gap: 20px; align-items: start; }
.filtros h3 { font-size: 16px; margin: 0 0 6px; }
.filtros h4 { font-size: 13px; margin: 18px 0 6px; color: var(--gris); text-transform: uppercase; letter-spacing: .03em; }
.filtros ul { list-style: none; margin: 0; padding: 0; }
.filtros li a { display: flex; justify-content: space-between; padding: 4px 0; color: #555; font-size: 14px; }
.filtros li a.on { font-weight: 700; color: var(--texto); }
.filtros li a small { color: var(--gris-cl); }
.rango { display: flex; gap: 6px; align-items: center; }
.rango input { width: 100%; padding: 7px 8px; border: 1px solid #ccc; border-radius: 4px; min-width: 0; }
.barra-res { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.barra-res h1 { margin: 0; font-size: 22px; font-weight: 600; }
.barra-res select { padding: 7px 10px; border: 1px solid #ccc; border-radius: 4px; background: #fff; }
.filtros-toggle { display: none; }

/* ── ficha ── */
.ficha { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
.galeria { display: grid; grid-template-columns: 64px 1fr; gap: 12px; }
.miniaturas { display: flex; flex-direction: column; gap: 8px; max-height: 560px; overflow-y: auto; }
.miniaturas button { width: 56px; height: 56px; padding: 0; border: 2px solid transparent; border-radius: 4px; background: #f6f6f6; overflow: hidden; }
.miniaturas button.on, .miniaturas button:hover { border-color: var(--azul); }
.miniaturas img { width: 100%; height: 100%; object-fit: cover; }
.foto-gran { aspect-ratio: 1/1; background: #f6f6f6; border-radius: 6px; display: flex; align-items: center; justify-content: center; overflow: hidden; cursor: zoom-in; position: relative; }
.foto-gran img { width: 100%; height: 100%; object-fit: contain; }
.ficha-info h1 { font-size: 22px; font-weight: 600; margin: 4px 0 8px; line-height: 1.25; }
.ficha-meta { font-size: 13px; color: var(--gris); display: flex; gap: 8px; align-items: center; }
.ficha-precio { font-size: 36px; font-weight: 300; margin: 12px 0 4px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.ficha-precio .off { font-size: 18px; color: var(--verde); }
.caja-compra { position: sticky; top: 130px; border: 1px solid var(--linea); box-shadow: none; }
.caja-compra .envio { color: var(--verde); font-weight: 600; margin-bottom: 4px; }
.caja-compra .stock { font-weight: 600; font-size: 16px; margin: 14px 0 6px; }
.cant { display: flex; align-items: center; gap: 8px; margin: 8px 0 16px; }
.cant select, .cant input { padding: 8px 10px; border: 1px solid #ccc; border-radius: 4px; background: #fff; }
.caja-compra .vendedor { font-size: 13px; color: var(--gris); margin: 12px 0; border-top: 1px solid var(--linea); padding-top: 12px; }
.caja-compra .btn + .btn { margin-top: 8px; }
.tabla-specs { width: 100%; border-collapse: collapse; margin-top: 8px; }
.tabla-specs th, .tabla-specs td { padding: 10px 14px; text-align: left; font-size: 14px; }
.tabla-specs tr:nth-child(odd) { background: #f5f5f5; }
.tabla-specs th { font-weight: 600; width: 38%; }
.descripcion { white-space: pre-line; font-size: 16px; color: #555; line-height: 1.55; }
.pagos-logos { display: flex; align-items: center; gap: 8px; margin-top: 8px; font-size: 12px; color: var(--gris); }
.pagos-logos img { height: 22px; width: auto; }

/* ── carrito / checkout ── */
.dos-cols { display: grid; grid-template-columns: 1fr 340px; gap: 20px; align-items: start; }
.linea-carrito { display: grid; grid-template-columns: 84px 1fr auto auto; gap: 16px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--linea); }
.linea-carrito:last-child { border-bottom: 0; }
.linea-carrito img { width: 84px; height: 84px; object-fit: contain; background: #f6f6f6; border-radius: 4px; }
.linea-carrito h3 { font-size: 15px; font-weight: 400; margin: 0 0 4px; }
.resumen h3 { margin: 0 0 12px; font-size: 18px; font-weight: 600; }
.resumen .fila { display: flex; justify-content: space-between; padding: 6px 0; }
.resumen .total { border-top: 1px solid var(--linea); margin-top: 8px; padding-top: 12px; font-size: 20px; font-weight: 600; }
.opcion { display: flex; gap: 12px; padding: 14px 16px; border: 1px solid var(--linea); border-radius: 6px; margin-bottom: 10px; cursor: pointer; align-items: flex-start; background: #fff; }
.opcion:hover { border-color: #bbb; }
.opcion.sel { border-color: var(--azul); box-shadow: 0 0 0 1px var(--azul); }
.opcion input { margin-top: 4px; }
.opcion b { display: block; }
.opcion .pr { margin-left: auto; font-weight: 600; white-space: nowrap; }
.campo { margin-bottom: 14px; }
.campo label { display: block; font-size: 13px; color: var(--gris); margin-bottom: 4px; }
.campo input, .campo select, .campo textarea { width: 100%; padding: 10px 12px; border: 1px solid #ccc; border-radius: 6px; background: #fff; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: 2px solid rgba(52,131,250,.4); border-color: var(--azul); }
.campos-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mapa { height: 260px; border-radius: 6px; border: 1px solid var(--linea); z-index: 1; }
.mapa-grande { height: 340px; }

/* ── pedidos ── */
.pedido-card { margin-bottom: 14px; }
.pedido-cab { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.pedido-id { font-weight: 700; font-family: ui-monospace, Consolas, monospace; }
.insignia { display: inline-block; border-radius: 12px; padding: 2px 10px; font-size: 12px; font-weight: 600; background: #eee; color: #444; }
.insignia.recibido { background: #e8f0fe; color: #1a56c4; }
.insignia.preparando { background: #fff3cd; color: #8a6100; }
.insignia.enRuta, .insignia.enviado { background: #e0f2ff; color: #075d96; }
.insignia.retiro { background: #efe4ff; color: #5b2aa8; }
.insignia.entregado, .insignia.pagado { background: #dff5e8; color: #0b6a35; }
.insignia.cancelado, .insignia.rechazado { background: #fde1e4; color: #9a1b2b; }
.insignia.pendiente { background: #fff0d6; color: #8a5a00; }
.etapas { display: flex; margin: 18px 0 8px; }
.etapa { flex: 1; text-align: center; position: relative; font-size: 12px; color: var(--gris-cl); }
.etapa .pt { width: 30px; height: 30px; border-radius: 50%; background: #ddd; margin: 0 auto 6px; display: flex; align-items: center; justify-content: center; color: #fff; position: relative; z-index: 1; font-size: 14px; }
.etapa::before { content: ""; position: absolute; top: 14px; left: -50%; right: 50%; height: 3px; background: #ddd; }
.etapa:first-child::before { display: none; }
.etapa.hecha, .etapa.act { color: var(--texto); }
.etapa.hecha .pt, .etapa.act .pt { background: var(--verde); }
.etapa.hecha::before, .etapa.act::before { background: var(--verde); }
.etapa.act .pt { box-shadow: 0 0 0 5px rgba(0,166,80,.2); }
.items-mini { display: flex; flex-direction: column; gap: 8px; margin: 10px 0; }
.item-mini { display: flex; gap: 10px; align-items: center; font-size: 13px; }
.item-mini img { width: 40px; height: 40px; object-fit: contain; background: #f6f6f6; border-radius: 3px; }

/* ── paneles (admin / repartidor) ── */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--linea); margin-bottom: 16px; flex-wrap: wrap; }
.tabs button { background: none; border: 0; padding: 12px 18px; font-size: 15px; border-bottom: 3px solid transparent; margin-bottom: -2px; color: var(--gris); }
.tabs button.on { color: var(--azul); border-bottom-color: var(--azul); font-weight: 600; }
.tabs .n { background: var(--rojo); color: #fff; border-radius: 9px; font-size: 11px; padding: 1px 6px; margin-left: 4px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: #fff; border-radius: 6px; box-shadow: var(--sombra); padding: 14px 16px; }
.kpi b { display: block; font-size: 22px; margin-top: 2px; }
.kpi span { font-size: 12px; color: var(--gris); }
.tabla { width: 100%; border-collapse: collapse; background: #fff; border-radius: 6px; overflow: hidden; box-shadow: var(--sombra); }
.tabla th { background: #fafafa; text-align: left; padding: 10px 12px; font-size: 12px; color: var(--gris); text-transform: uppercase; letter-spacing: .03em; }
.tabla td { padding: 8px 12px; border-top: 1px solid var(--linea); vertical-align: middle; }
.tabla img { width: 40px; height: 40px; object-fit: contain; background: #f6f6f6; border-radius: 3px; }
.tabla input[type=number], .tabla input[type=text] { width: 100%; padding: 6px 8px; border: 1px solid #ccc; border-radius: 4px; }
.tabla .acciones { white-space: nowrap; display: flex; gap: 6px; }
.scroll-x { overflow-x: auto; }
.filtros-fila { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filtros-fila input, .filtros-fila select { padding: 8px 12px; border: 1px solid #ccc; border-radius: 6px; background: #fff; }
.filtros-fila input { flex: 1; min-width: 180px; }
.pedido-admin { margin-bottom: 14px; border-left: 4px solid var(--azul); }
.pedido-admin.recibido { border-left-color: var(--rojo); }
.pedido-admin.entregado { border-left-color: var(--verde); opacity: .85; }
.pedido-admin.cancelado { border-left-color: #999; opacity: .7; }
.pedido-admin .datos { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 6px 20px; font-size: 13px; margin: 10px 0; }
.acciones-fila { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
.acciones-fila select, .acciones-fila input { padding: 8px 10px; border: 1px solid #ccc; border-radius: 6px; background: #fff; }
.editor { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.fotos-edit { display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0; }
.foto-edit { width: 96px; position: relative; }
.foto-edit img { width: 96px; height: 96px; object-fit: cover; border-radius: 6px; border: 2px solid transparent; background: #f6f6f6; }
.foto-edit.portada img { border-color: var(--azul); }
.foto-edit .bs { display: flex; justify-content: space-between; margin-top: 4px; }
.foto-edit .bs button { border: 0; background: #eee; border-radius: 4px; font-size: 12px; padding: 2px 7px; }
.cred { background: #fffbe0; border: 1px dashed #c9b200; padding: 14px; border-radius: 6px; font-family: ui-monospace, Consolas, monospace; margin: 12px 0; user-select: all; }

/* ── modal / toast ── */
.velo { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 16px; overflow-y: auto; }
.modal { background: #fff; border-radius: 8px; padding: 24px; width: 100%; max-width: 440px; position: relative; max-height: 92vh; overflow-y: auto; }
.modal.ancho { max-width: 860px; }
.modal h2 { margin: 0 0 14px; font-size: 22px; }
.modal-x { position: absolute; top: 10px; right: 12px; border: 0; background: none; font-size: 26px; color: #888; line-height: 1; }
.pestanas { display: flex; border-bottom: 1px solid var(--linea); margin-bottom: 16px; }
.pestanas button { flex: 1; padding: 10px; border: 0; background: none; border-bottom: 3px solid transparent; font-weight: 600; color: var(--gris); }
.pestanas button.on { color: var(--azul); border-bottom-color: var(--azul); }
.visor img { max-height: 86vh; max-width: 92vw; object-fit: contain; border-radius: 4px; background: #fff; }
#toasts { position: fixed; right: 16px; bottom: 16px; z-index: 200; display: flex; flex-direction: column; gap: 8px; max-width: calc(100vw - 32px); }
.toast { background: #333; color: #fff; padding: 12px 18px; border-radius: 6px; box-shadow: 0 4px 16px rgba(0,0,0,.3); animation: sube .25s ease-out; }
.toast.ok { background: #0b6a35; }
.toast.error { background: #a0192b; }
@keyframes sube { from { transform: translateY(10px); opacity: 0; } }
.cargando { text-align: center; padding: 60px; color: var(--gris); }
.rueda { display: inline-block; width: 28px; height: 28px; border: 3px solid #ddd; border-top-color: var(--azul); border-radius: 50%; animation: gira .8s linear infinite; }
@keyframes gira { to { transform: rotate(360deg); } }

/* ── pie ── */
.pie { background: #fff; border-top: 1px solid var(--linea); padding: 28px 0; font-size: 13px; color: var(--gris); }
.pie .cols { display: flex; gap: 40px; flex-wrap: wrap; justify-content: space-between; }
.pie b { color: var(--texto); display: block; margin-bottom: 6px; }
.pie a { color: var(--gris); display: block; padding: 2px 0; }
.wa-flota { position: fixed; right: 16px; bottom: 76px; width: 54px; height: 54px; border-radius: 50%; background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 28px; box-shadow: 0 4px 14px rgba(0,0,0,.35); z-index: 40; }
.wa-flota:hover { color: #fff; transform: scale(1.06); }

/* ── responsive ── */
@media (max-width: 1000px) {
  .ficha { grid-template-columns: 1fr 1fr; }
  .caja-compra { grid-column: 1 / -1; position: static; }
  .beneficios { grid-template-columns: repeat(2, 1fr); }
  .beneficio:nth-child(2) { border-right: 0; }
  .editor { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .top-fila { flex-wrap: wrap; gap: 10px; padding-bottom: 4px; }
  .buscador { order: 3; flex-basis: 100%; max-width: none; }
  .logo-txt small { display: none; }
  .envia-a { display: none; }
  .carrito-movil { display: inline-block; }
  .top-nav .carrito-btn { display: none; }
  .top-nav { overflow-x: auto; gap: 16px; }
  .top-nav .der { gap: 16px; }
  .heroe-contenido { padding: 24px; }
  .heroe-contenido h1 { font-size: 24px; }
  .buscar-cols, .dos-cols { grid-template-columns: 1fr; }
  .filtros { display: none; }
  .filtros.abierto { display: block; }
  .filtros-toggle { display: inline-flex; }
  .ficha { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: 1fr; }
  .miniaturas { flex-direction: row; order: 2; overflow-x: auto; max-height: none; }
  .linea-carrito { grid-template-columns: 64px 1fr; }
  .linea-carrito img { width: 64px; height: 64px; }
  .linea-carrito > :nth-child(n+3) { grid-column: 2; }
  .campos-2 { grid-template-columns: 1fr; }
  .grilla { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .fila-libros .libro { flex-basis: 160px; }
  .libro-cuerpo { padding: 10px 12px 12px; }
  .precio { font-size: 18px; }
  .beneficios { grid-template-columns: 1fr 1fr; }
  .beneficio { padding: 12px; border-right: 0; }
  .etapa { font-size: 10px; }
  .tabla { font-size: 13px; }
  .contenedor { padding: 0 10px; }
}