/* ═══════════════════════════════════════════════════════════════════════════
   NOVA TOOLS · tienda.css
   Una sola hoja. Las tipografías las trae el <link> de tienda.html, igual que
   index.html: acá no se trae ninguna fuente nueva ni nada de una red externa.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ══ BASE — copiado del <style> de index.html ══════════════════════════════ */

:root{
  --bg:#0c0c0e; --bg-2:#131317; --card:#17171c; --card-2:#202027; --line:#2c2c34;
  --text:#f5f2ec; --muted:#aca79e; --orange:#ff7a00; --orange-2:#ffae33; --paper:#f4f2ee;
  --radius:18px; --ease:cubic-bezier(.2,.7,.2,1);
  --display:"Barlow Condensed","Arial Narrow","Roboto Condensed",Impact,sans-serif;
  --body:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;

  /* Derivados de la tienda. Medidos, no estimados (ratio sobre --card #17171c):
     --line-2  3.36:1  borde de controles de formulario — WCAG 1.4.11 pide 3:1.
               --line (#2c2c34) da 1.29:1 y sirve para separar cajas, no para
               delimitar un input donde el borde ES el control.
     --ok     11.51:1 · --pronto 12.45:1 · --err 8.91:1  (texto, WCAG 1.4.3 AA) */
  --line-2:#6a6a78; --ok:#86e3a3; --pronto:#ffd08a; --err:#ff9d8f;

  color-scheme:dark;           /* select, checkbox y scrollbars nativos en oscuro */
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.55 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
svg.i{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--orange);color:#111;padding:10px 16px;border-radius:8px;z-index:100;font-weight:700;text-decoration:none}
.skip:focus{left:12px}
.wrap{width:min(1200px,100%);margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ── header ── */
.top{position:sticky;top:0;z-index:40;background:rgba(12,12,14,.74);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font:800 27px/1 var(--display);letter-spacing:.05em;white-space:nowrap}
.brand svg{width:34px;height:34px;flex:none;transition:transform .7s var(--ease)}
.brand:hover svg{transform:rotate(180deg)}
.brand b{color:var(--orange);font-weight:800}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{position:relative;text-decoration:none;color:var(--muted);font-weight:500;font-size:15px;letter-spacing:.02em;padding:6px 0;transition:color .25s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.nav a:hover{color:var(--text)}
.nav a:hover::after{transform:scaleX(1);transform-origin:left}
.nav a[aria-current="page"]{color:var(--text)}
.nav a[aria-current="page"]::after{transform:scaleX(1)}

/* ── botones ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;cursor:pointer;text-decoration:none;font:700 16px/1 var(--body);letter-spacing:.02em;padding:15px 24px;border-radius:999px;transition:transform .25s var(--ease),background-color .25s,box-shadow .25s,color .25s}
.btn-primary{background:var(--orange);color:#111}
.btn-primary:hover:not(:disabled){background:var(--orange-2);transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(255,122,0,.7)}
.btn-ghost{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1.5px var(--line-2)}
.btn-ghost:hover:not(:disabled){box-shadow:inset 0 0 0 1.5px var(--orange);color:var(--orange-2)}
.btn-sm{padding:11px 16px;font-size:14px}
.btn:active:not(:disabled){transform:translateY(0) scale(.98)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

.icon-btn{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line-2);background:var(--card);color:var(--text);cursor:pointer;transition:border-color .2s,background-color .2s}
.icon-btn:hover:not(:disabled){border-color:var(--orange)}
.icon-btn[aria-pressed="true"]{background:var(--orange);color:#111;border-color:var(--orange)}
.icon-btn:disabled{opacity:.35;cursor:not-allowed}

/* ── secciones ── */
section{scroll-margin-top:76px}
.sec{padding:clamp(64px,9vw,120px) 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:16px 40px;margin-bottom:clamp(28px,4vw,48px)}
.kicker{font:600 13px/1 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--orange-2);margin:0 0 12px}
.sec-head>p{color:var(--muted);max-width:44ch;margin:0}
h1{font:800 clamp(38px,5.4vw,66px)/.95 var(--display);text-transform:uppercase;margin:0;letter-spacing:.005em}
h2{font:700 clamp(23px,2.6vw,27px)/1.08 var(--display);text-transform:uppercase;margin:0}
h3{font:600 17px/1.28 var(--body);margin:0}

/* ── chips heredados (lista de atributos dentro de una ficha) ── */
.chips{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:0}
.chips li{font-size:13px;color:#dcd8cf;background:var(--card-2);border:1px solid var(--line);border-radius:999px;padding:4px 10px}

/* ── buscador ── */
.search{position:relative;max-width:440px}
.search label{display:block;font-size:14px;color:var(--muted);margin-bottom:7px}
.search input{width:100%;font:500 16px/1.2 var(--body);color:var(--text);background:var(--card);border:1px solid var(--line-2);border-radius:12px;padding:14px 14px 14px 44px;transition:border-color .2s,box-shadow .2s}
.search input::placeholder{color:#a5a199}
/* el foco nunca se apaga: el anillo naranja SE SUMA al :focus-visible heredado (§11) */
.search input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,122,0,.28)}
.search svg{position:absolute;left:15px;bottom:15px;color:var(--muted)}

/* ── pie ── */
footer{border-top:1px solid var(--line);padding:40px 0 calc(96px + env(safe-area-inset-bottom));color:var(--muted);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:18px 40px;justify-content:space-between;align-items:flex-start}
footer p{margin:0;max-width:62ch}

.fab{position:fixed;z-index:50;right:18px;bottom:calc(18px + env(safe-area-inset-bottom));width:60px;height:60px;border-radius:50%;background:var(--orange);color:#111;display:grid;place-items:center;box-shadow:0 14px 30px -10px rgba(255,122,0,.85);transition:transform .3s var(--ease)}
.fab::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--orange);animation:ping 2.6s infinite}
.fab:hover{transform:scale(1.08)}
.fab svg{width:26px;height:26px}

@keyframes fade{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
@keyframes ping{0%{transform:scale(1);opacity:.8}80%,100%{transform:scale(1.5);opacity:0}}


/* ══ TIENDA ════════════════════════════════════════════════════════════════ */

/* Primera regla y no negociable: los 3 módulos ocultan con el atributo hidden.
   Sin esto, .nt-grilla{display:grid} y .nt-cbarra{display:flex} le ganan. */
[hidden]{display:none!important}

.nt-tienda{padding-top:clamp(28px,4vw,52px)}
.nt-tienda .sec-head{margin-bottom:clamp(20px,3vw,32px)}

/* ── envío ── */
.nt-envio{margin:0;padding:14px 18px;border:1px solid rgba(255,122,0,.38);background:rgba(255,122,0,.07);border-radius:14px;color:var(--orange-2);font-weight:600;font-size:15px}
.nt-envio-detalle{margin:10px 0 0;color:var(--muted);font-size:14px;max-width:80ch}
/* mientras A2 no los llenó, no dejan una caja naranja vacía en la página */
.nt-envio:empty,.nt-envio-detalle:empty,.nt-nota:empty,.nt-estado:empty{display:none}

/* ── filtros ── */
.nt-tools{display:grid;gap:16px;margin:clamp(20px,3vw,28px) 0 18px}
.nt-filtros{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px 18px}
.nt-filtros .search{flex:1 1 280px}

.nt-campo{display:flex;flex-direction:column;gap:7px;margin:0;min-width:0}
.nt-campo label{font-size:14px;color:var(--muted)}
.nt-campo input,.nt-campo select,.nt-campo textarea{width:100%;font:500 16px/1.2 var(--body);color:var(--text);background:var(--card);border:1px solid var(--line-2);border-radius:12px;padding:14px;transition:border-color .2s,box-shadow .2s}
.nt-campo textarea{line-height:1.45;resize:vertical;min-height:62px}
.nt-campo select{cursor:pointer;min-width:172px}
.nt-campo input::placeholder,.nt-campo textarea::placeholder{color:#a5a199}
.nt-campo input:focus,.nt-campo select:focus,.nt-campo textarea:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,122,0,.28)}
.nt-campo input[aria-invalid="true"],.nt-campo textarea[aria-invalid="true"]{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,157,143,.2)}

.nt-check{display:flex;align-items:center;gap:9px;margin:0;min-height:49px}
.nt-check input{width:20px;height:20px;flex:none;margin:0;accent-color:var(--orange);cursor:pointer}
.nt-check label{font-size:15px;line-height:1.3;cursor:pointer}

.nt-chips{display:flex;flex-wrap:wrap;gap:8px;max-height:156px;overflow:auto;padding:2px 4px 4px 2px;scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
.nt-chip{font:500 14px/1 var(--body);border:1px solid var(--line-2);background:var(--card);color:var(--text);cursor:pointer;border-radius:999px;padding:10px 13px;transition:background-color .25s,border-color .25s,color .25s}
.nt-chip small{color:var(--muted);margin-left:6px}
.nt-chip:hover{border-color:var(--orange)}
.nt-chip[aria-pressed="true"]{background:rgba(255,122,0,.14);border-color:var(--orange);color:var(--orange-2)}
.nt-chip[aria-pressed="true"] small{color:var(--orange-2)}

.nt-estado{color:var(--muted);font-size:15px;margin:0 0 18px;min-height:1.5em}
.nt-estado strong{color:var(--text)}

/* ── grilla y tarjeta ── */
.nt-grilla{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}

.nt-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;animation:pop .45s var(--ease) both;transition:border-color .3s,box-shadow .4s}
.nt-card:hover{border-color:rgba(255,122,0,.55);box-shadow:0 22px 44px -28px rgba(255,122,0,.5)}
.nt-card--sin-stock .nt-foto{filter:grayscale(.6)}

/* aspect-ratio fijo: la tarjeta ocupa su alto antes de que baje la foto */
.nt-card-foto{position:relative;display:block;width:100%;aspect-ratio:1/1;border:0;margin:0;padding:14px;background:var(--paper);cursor:zoom-in;overflow:hidden}
.nt-foto{width:100%;height:100%;object-fit:contain;transition:transform .6s var(--ease)}
.nt-card:hover .nt-foto{transform:scale(1.05)}
.nt-sin-foto{position:absolute;inset:0;display:grid;place-items:center;padding:12px;text-align:center;background:var(--paper);color:#3a3833;font:600 14px/1.3 var(--body)}

.nt-chapa{position:absolute;top:10px;left:10px;z-index:1;font:700 11px/1 var(--body);letter-spacing:.1em;text-transform:uppercase;padding:7px 10px;border-radius:999px}
.nt-chapa--off{background:var(--orange);color:#111}

.nt-card-cuerpo{display:flex;flex-direction:column;gap:7px;flex:1;min-width:0;padding:16px 16px 18px}
.nt-cat{margin:0;font:600 11px/1.3 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--orange-2)}
.nt-nombre{margin:0;font:600 17px/1.28 var(--body);color:var(--text);overflow-wrap:anywhere}
.nt-codigo{margin:0;font-size:13px;color:var(--muted)}
.nt-precio{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 10px;margin:6px 0 0}
.nt-lista{color:var(--muted);font-size:15px}
.nt-paga{font:800 27px/1 var(--display);color:var(--text);letter-spacing:.01em}
.nt-ahorro{font:600 14px/1.3 var(--body);color:var(--orange-2)}

/* el color nunca es el único indicador: va el texto de stock_texto y una
   forma distinta por estado (círculo lleno · rombo · cuadrado · anillo) */
.nt-stock{display:flex;align-items:center;gap:8px;margin:2px 0 0;font-size:14px;font-weight:600}
.nt-stock::before{content:"";width:9px;height:9px;flex:none;border:2px solid currentColor}
.nt-stock--disponible{color:var(--ok)}
.nt-stock--disponible::before{border-radius:50%;background:currentColor}
.nt-stock--ingresa{color:var(--pronto)}
.nt-stock--ingresa::before{border-radius:2px;background:currentColor;transform:rotate(45deg)}
.nt-stock--agotado{color:var(--muted)}
.nt-stock--agotado::before{border-radius:2px}
.nt-stock--consultar{color:var(--muted)}
.nt-stock--consultar::before{border-radius:50%}

.nt-card-acciones{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:12px}
.nt-card-acciones .btn{padding:11px 9px;font-size:13px;gap:6px;white-space:nowrap}
.nt-agregar{flex:1 1 86px}
.nt-consultar{flex:1 1 86px}
.nt-comparar{flex:1 1 86px}
.nt-comparar[aria-pressed="true"]{box-shadow:inset 0 0 0 1.5px var(--orange);background:rgba(255,122,0,.14);color:var(--orange-2)}
.nt-ver{flex:0 0 auto}

.nt-mas{display:block;margin:28px auto 0;min-width:240px}
.nt-vacio{margin:28px auto;max-width:58ch;padding:26px 22px;text-align:center;color:var(--muted);font-size:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.nt-vacio p{margin:0 0 16px;color:var(--muted)}
.nt-nota{margin:26px 0 0;max-width:88ch;color:var(--muted);font-size:13px;line-height:1.55}

/* ── aviso flotante ── */
.nt-aviso{position:fixed;z-index:300;left:50%;bottom:calc(28px + env(safe-area-inset-bottom));transform:translate(-50%,16px);opacity:0;max-width:calc(100vw - 32px);background:var(--text);color:#111;padding:13px 18px;border-radius:12px;font-weight:600;box-shadow:0 18px 40px -16px rgba(0,0,0,.8);transition:opacity .3s,transform .3s var(--ease);pointer-events:none}
.nt-aviso.mostrar{opacity:1;transform:translate(-50%,0)}
.nt-aviso--error{background:#ffd9cf;color:#111;box-shadow:0 0 0 2px #b23b1d,0 18px 40px -16px rgba(0,0,0,.8)}

/* ── diálogos ── */
dialog{padding:0;border:0;color:var(--text)}
dialog::backdrop{background:rgba(0,0,0,.82)}

.nt-ficha{width:min(880px,100%);max-height:100vh;max-height:100dvh;margin:auto;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.nt-ficha[open]{display:flex;flex-direction:column;animation:fade .28s var(--ease)}

.nt-ficha-bar,.nt-panel-bar{display:flex;align-items:center;gap:12px;flex:none;padding:14px 18px;padding-top:max(14px,env(safe-area-inset-top));border-bottom:1px solid var(--line);background:var(--bg-2)}
.nt-ficha-bar h2,.nt-panel-bar h2{flex:1;min-width:0;overflow-wrap:anywhere}
.nt-ficha-bar .icon-btn,.nt-panel-bar .icon-btn{flex:none}

.nt-ficha-cuerpo{flex:1;min-height:0;overflow:auto;display:flex;flex-wrap:wrap;gap:22px;padding:18px;align-content:flex-start}
/* position:relative por lo mismo que la celda del comparador: .nt-sin-foto es
   absolute y sin ancla se posicionaría contra el <dialog>, tapando la ficha. */
.nt-ficha-foto{position:relative;flex:1 1 260px;max-width:340px;aspect-ratio:1/1;display:grid;place-items:center;padding:16px;background:var(--paper);color:#3a3833;border-radius:14px;overflow:hidden}
.nt-ficha-foto img{width:100%;height:100%;object-fit:contain}
.nt-ficha-datos{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.nt-ficha-datos .nt-precio{margin:0}
.nt-specs{margin:0;color:var(--muted);font-size:15px;line-height:1.55;overflow-wrap:anywhere}
.nt-dato{display:flex;flex-wrap:wrap;gap:4px 10px;margin:0;font-size:15px;color:var(--muted)}
.nt-dato strong{color:var(--text);font-weight:600}

/* ── carrito ── */
#nt-carrito-abrir{position:relative;flex:none}
.nt-burbuja{position:absolute;top:-5px;right:-5px;min-width:21px;height:21px;padding:0 6px;border-radius:999px;background:var(--orange);color:#111;font:700 12px/21px var(--body);text-align:center;box-shadow:0 0 0 2px var(--bg)}

.nt-panel{width:min(470px,100%);height:100vh;height:100dvh;max-height:100dvh;margin:0 0 0 auto;background:var(--bg-2);border-left:1px solid var(--line);overflow:hidden}
.nt-panel[open]{display:flex;flex-direction:column;animation:fade .28s var(--ease)}
.nt-panel-cuerpo{flex:1;min-height:0;overflow:auto;padding:16px 18px}
.nt-panel-pie{flex:none;display:grid;gap:10px;padding:14px 18px;padding-bottom:calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--bg)}

.nt-items{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.nt-item{display:flex;align-items:flex-start;gap:12px;padding:10px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.nt-item--sin-stock{border-style:dashed;border-color:var(--line-2)}
.nt-item-foto{width:64px;height:64px;flex:none;padding:5px;background:var(--paper);border-radius:10px;object-fit:contain}
.nt-item-datos{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
/* §6.1 no le da a la línea del carrito la clase .nt-nombre (esa es de la tarjeta):
   A3 arma el nombre como <p><strong>…</strong></p>, primer hijo de .nt-item-datos.
   Se estiliza lo que existe de verdad, no una clase que nadie escribe. */
.nt-item-datos>p:first-child strong{font-size:15px}
.nt-item-precio{margin:0;font:700 15px/1.25 var(--body);color:var(--text)}
.nt-cant{display:flex;align-items:center;gap:6px}
.nt-cant-btn{width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:9px;border:1px solid var(--line-2);background:var(--card-2);color:var(--text);cursor:pointer;transition:border-color .2s}
.nt-cant-btn:hover:not(:disabled){border-color:var(--orange)}
.nt-cant-btn:disabled{opacity:.4;cursor:not-allowed}
.nt-cant-num{min-width:36px;text-align:center;font:700 16px/1 var(--body)}
.nt-quitar{width:34px;height:34px;flex:none;display:grid;place-items:center;margin-left:auto;border-radius:9px;border:1px solid transparent;background:transparent;color:var(--muted);cursor:pointer;transition:color .2s,border-color .2s}
.nt-quitar:hover{color:var(--text);border-color:var(--line-2)}

.nt-totales{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin:0}
.nt-totales>span:first-child{font:600 13px/1 var(--body);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.nt-total{font:800 30px/1 var(--display)}
.nt-total-ahorro{font:600 14px/1.3 var(--body);color:var(--orange-2)}

.nt-form{display:grid;gap:14px;margin:18px 0 0;padding-top:16px;border-top:1px solid var(--line)}
.nt-error{display:block;font:600 13.5px/1.35 var(--body);color:var(--err)}
.nt-enviado{display:flex;align-items:center;gap:9px;margin:0;padding:12px 14px;border-radius:12px;background:rgba(134,227,163,.12);border:1px solid rgba(134,227,163,.42);color:var(--ok);font-weight:600;font-size:14px}

/* ── comparador ── */
.nt-cbarra{position:fixed;left:0;right:0;bottom:0;z-index:45;display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:12px clamp(16px,4vw,32px);padding-bottom:calc(12px + env(safe-area-inset-bottom));background:rgba(19,19,23,.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line)}
.nt-cbarra-cuenta{flex:1 1 220px;min-width:0;font-weight:600;font-size:15px;color:var(--text)}
.nt-cbarra .btn{flex:0 0 auto}
/* la barra no tapa el botón de WhatsApp: lo corre para arriba mientras está */
.fab{transition:transform .3s var(--ease),bottom .3s var(--ease)}
.nt-cbarra:not([hidden]) ~ .fab{bottom:calc(88px + env(safe-area-inset-bottom))}

.nt-comparador{width:min(1040px,100%);max-height:100vh;max-height:100dvh;margin:auto;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.nt-comparador[open]{display:flex;flex-direction:column;animation:fade .28s var(--ease)}

.nt-tabla-wrap{flex:1;min-height:0;overflow:auto}
.nt-tabla-wrap:focus-visible{outline:3px solid var(--orange);outline-offset:-3px}
.nt-tabla{width:100%;border-collapse:separate;border-spacing:0;font-size:15px}
.nt-tabla th,.nt-tabla td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.nt-tabla thead th{position:sticky;top:0;z-index:2;background:var(--card-2);font:600 15px/1.3 var(--body);color:var(--text);overflow-wrap:anywhere}
.nt-th-fila{position:sticky;left:0;z-index:1;width:96px;min-width:96px;background:var(--card-2);font:600 12px/1.3 var(--body);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.nt-tabla thead .nt-th-fila{z-index:3}
.nt-col{min-width:148px}
/* td.: le gana a `.nt-tabla td{padding:12px 14px}`, que si no se queda con el padding.
   position:relative: el cartel .nt-sin-foto es absolute y tiene que caer DENTRO de
   esta celda; sin ancla se posiciona contra el <dialog> y tapa la tabla entera. */
.nt-tabla td.nt-col-foto{position:relative;background:var(--paper);color:#3a3833;padding:10px}
.nt-col-foto img{width:100%;height:140px;object-fit:contain;margin-inline:auto}
.nt-ayuda{display:none;margin:0;padding:10px 16px;padding-bottom:calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:13px}


/* ══ RESPONSIVE ════════════════════════════════════════════════════════════ */

@media (max-width:960px){
  .nav{display:none}
  #nt-carrito-abrir{margin-left:auto}
}

@media (max-width:900px){
  .nt-grilla{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
}

@media (max-width:640px){
  .nt-ayuda{display:block}
  .nt-col-foto img{height:96px}
  .nt-ficha-foto{max-width:none}
}

@media (max-width:560px){
  body{font-size:16px}

  /* una sola columna con la tarjeta acostada: entra la fila de 3 botones */
  .nt-grilla{grid-template-columns:1fr;gap:12px}
  .nt-card{flex-direction:row}
  .nt-card-foto{width:104px;flex:none;padding:8px}
  .nt-card-cuerpo{padding:12px 12px 14px 0}
  .nt-chapa{top:6px;left:6px;padding:5px 7px;font-size:10px;letter-spacing:.06em}
  .nt-paga{font-size:24px}
  .nt-nombre{font-size:16px}

  .nt-filtros{gap:12px}
  .nt-filtros .search,.nt-filtros .nt-campo{flex:1 1 100%;max-width:none}
  .nt-check{min-height:0}
  .nt-mas{width:100%;min-width:0}

  .nt-ficha,.nt-panel,.nt-comparador{width:100%;height:100vh;height:100dvh;max-height:100dvh;margin:0;border:0;border-radius:0}
  .nt-ficha-cuerpo{gap:16px;padding:16px}

  .nt-cbarra .btn{flex:1 1 auto}
  .nt-cbarra:not([hidden]) ~ .fab{bottom:calc(126px + env(safe-area-inset-bottom))}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}