/* ORTHIC · simulador cervical
 * Hereda los tokens de style.css. La escena 3D ocupa toda la pantalla y la
 * interfaz vive en las orillas, sin tarjetas ni rellenos: texto sobre negro,
 * filos de 1px. Instrumento, no folleto.
 */

html, body{ height:100%; }
body.sim{
  margin:0; overflow:hidden;
  background:var(--bg); color:var(--text);
  font-family:var(--font); font-weight:300;
  -webkit-font-smoothing:antialiased;
}

/* ── escena ─────────────────────────────────────────────────── */
.sim__lienzo{
  position:fixed; inset:0; width:100%; height:100%;
  display:block; outline:none;
  touch-action:none;                 /* el gesto lo resuelve la cámara orbital */
}
/* viñeta: aísla la columna, oscurece las orillas donde vive la interfaz */
.sim__vineta{
  position:fixed; inset:0; pointer-events:none;
  background:
    linear-gradient(to right, rgba(10,10,11,0.92) 0%, rgba(10,10,11,0.7) 22%, transparent 38%),
    linear-gradient(to left, rgba(10,10,11,0.9) 0%, rgba(10,10,11,0.62) 17%, transparent 30%),
    radial-gradient(ellipse 50% 64% at 52% 50%, transparent 45%, rgba(10,10,11,0.5) 80%, rgba(10,10,11,0.9) 100%);
}

/* ── capa de interfaz ───────────────────────────────────────── */
.sim__ui{
  position:fixed; inset:0; pointer-events:none;
  display:grid;
  grid-template-columns:minmax(0, 25rem) 1fr minmax(0, 16rem);
  grid-template-rows:auto 1fr auto;
  grid-template-areas:
    "top  .    der"
    ".    .    der"
    "info dock der";
  gap:var(--s3);
  padding:clamp(1rem, 2.4vw, 2.25rem);
}
.sim__ui > *{ pointer-events:auto; }

/* barra superior */
.sim__top{
  grid-area:top;
  display:flex; align-items:center; gap:var(--s3);
}
.sim__top img{ height:2.4rem; width:auto; }
/* logo y selector no se encogen: con tres regiones la barra pasa del ancho de la ficha */
.sim__top > a, .sim__top span, .sim__regiones{ flex:none; white-space:nowrap; }
.sim__top span{
  font-size:var(--t-xs); font-weight:400;
  letter-spacing:0.18em; text-transform:uppercase;
  color:var(--grey-1);
  padding-left:var(--s3); border-left:1px solid var(--line-2);
}

/* selector de región: cervical · lumbar · trauma */
.sim__regiones{ display:inline-flex; border:1px solid var(--line-2); border-radius:var(--r); background:var(--bg); }   /* se lee aunque pase sobre el hueso */
.sim__regiones a{
  display:inline-grid; place-items:center; min-height:2.25rem; padding:0 0.9rem;
  font-size:var(--t-xs); letter-spacing:0.14em; text-transform:uppercase; color:var(--grey-2);
  transition:color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.sim__regiones a + a{ border-left:1px solid var(--line-2); }
.sim__regiones a:hover{ color:var(--text); }
.sim__regiones a[aria-current="true"]{ background:var(--text); color:var(--bg); }
.sim__regiones a:focus-visible{ outline:1px solid var(--accent); outline-offset:2px; }

/* ── galería de sistemas ────────────────────────────────────── */
/* columna derecha: galería arriba, vistas abajo, nunca se encimán */
.sim__der{
  grid-area:der; min-height:0;
  display:flex; flex-direction:column; justify-content:space-between; gap:var(--s4);
}
.sim__gal h2{
  margin:0 0 var(--s2);
  font-size:var(--t-xs); font-weight:400;
  letter-spacing:0.18em; text-transform:uppercase;
  color:var(--grey-2);
}
.sim__gal ul{ list-style:none; margin:0; padding:0; border-top:1px solid var(--line-2); }
.sim__gal li{ border-bottom:1px solid var(--line); }
.sim__gal button{
  all:unset; box-sizing:border-box; cursor:pointer;
  display:grid; grid-template-columns:1rem 1fr; gap:0 0.6rem;
  width:100%; padding:0.72rem 0;
  color:var(--grey-2);
  transition:color 0.35s var(--ease);
}
.sim__gal button::before{
  content:""; grid-row:1 / span 2; align-self:center;
  width:0.6rem; height:1px; background:currentColor;
  transform:scaleX(0); transform-origin:left;
  transition:transform 0.45s var(--ease);
}
.sim__gal button b{
  font-weight:400; font-size:0.95rem; letter-spacing:0.06em;
  color:var(--grey-1); transition:color 0.35s var(--ease);
}
.sim__gal button span{ font-size:var(--t-xs); line-height:1.4; margin-top:0.15rem; }
.sim__gal button:hover b,
.sim__gal button:focus-visible b{ color:var(--text); }
.sim__gal button[aria-pressed="true"]{ color:var(--grey-1); }
.sim__gal button[aria-pressed="true"] b{ color:var(--text); }
.sim__gal button[aria-pressed="true"]::before{ transform:scaleX(1); color:var(--text); }
.sim__gal button:focus-visible{ outline:1px solid var(--accent); outline-offset:2px; }

/* ── ficha del sistema activo ───────────────────────────────── */
.sim__info{
  grid-area:info; align-self:end;
  max-width:25rem;
  /* si la pantalla es baja, la ficha se recorre por dentro en vez de empujar la barra */
  max-height:calc(100svh - 8.5rem); overflow-y:auto; scrollbar-width:none;
  padding-block:0;                   /* style.css da 9rem a todo <section> */
}
.sim__info::-webkit-scrollbar{ display:none; }
.sim__nivel{
  margin:0 0 var(--s2);
  font-size:var(--t-xs); font-weight:400;
  letter-spacing:0.2em; text-transform:uppercase;
  color:var(--grey-1);
  font-variant-numeric:tabular-nums;
}
.sim__nombre{
  margin:0;
  font-family:var(--font-display); font-weight:900;
  font-size:clamp(1.9rem, 3.4vw, 3.1rem);
  line-height:0.95; letter-spacing:-0.01em;
}
.sim__nombre sup{ font-size:0.3em; font-weight:700; letter-spacing:0; }
.sim__rol{
  margin:var(--s1) 0 0;
  font-size:var(--t-base); color:var(--grey-1);
}
.sim__resumen{
  margin:var(--s3) 0 0;
  font-size:var(--t-sm); line-height:1.6; color:var(--grey-1);
  max-width:34ch;
}
.sim__datos{
  margin:var(--s3) 0 0; padding:0;
  border-top:1px solid var(--line-2);
}
.sim__datos div{
  display:flex; justify-content:space-between; gap:var(--s3);
  padding:0.55rem 0; border-bottom:1px solid var(--line);
  font-size:var(--t-sm);
}
.sim__datos dt{ color:var(--grey-2); }
.sim__datos dd{ margin:0; text-align:right; font-variant-numeric:tabular-nums; }
.sim__datos div.es-calc dd{ color:var(--text); }
.sim__acciones{
  display:flex; flex-wrap:wrap; gap:var(--s1) var(--s3);
  align-items:center; margin-top:var(--s3);
}
.sim__ficha{
  display:inline-flex; align-items:center; gap:0.7rem;
  font-size:var(--t-xs); font-weight:400;
  letter-spacing:0.14em; text-transform:uppercase;
  padding-bottom:0.4rem; border-bottom:1px solid var(--line-2);
  transition:border-color 0.3s var(--ease);
}
.sim__ficha:hover{ border-color:var(--text); }
.sim__ficha svg{ width:1.1rem; height:0.7rem; fill:none; stroke:currentColor; stroke-width:1.3; }

/* ── controles: niveles y vistas ────────────────────────────── */
.sim__pie{
  display:flex; align-items:center; gap:var(--s2);
  margin-top:var(--s2);
}
.sim__pie[hidden], .sim__acciones[hidden]{ display:none; }

/* ── talla: huella y altura del catálogo ────────────────────── */
.sim__talla{ margin-top:var(--s2); display:grid; gap:var(--s1); }
.sim__talla[hidden]{ display:none; }
.sim__fila{ display:flex; align-items:center; gap:var(--s2); }
.sim__fila[hidden]{ display:none; }
.sim__fila > span, .sim__fila > label, .sim__pie > span{
  flex:0 0 5.4rem;
  font-size:var(--t-xs); font-weight:400;
  letter-spacing:0.18em; text-transform:uppercase; color:var(--grey-2);
}
.sim__fila output{
  flex:0 0 auto; min-width:4.2rem; text-align:right;
  font-size:var(--t-sm); font-variant-numeric:tabular-nums; color:var(--text);
}
/* deslizador: un filo de 1px y una pieza cuadrada, como el resto */
.sim__fila input[type="range"]{
  flex:1 1 auto; min-width:0; margin:0; height:2.5rem;
  -webkit-appearance:none; appearance:none; background:transparent; cursor:pointer;
}
.sim__fila input[type="range"]::-webkit-slider-runnable-track{ height:1px; background:var(--line-2); }
.sim__fila input[type="range"]::-moz-range-track{ height:1px; background:var(--line-2); }
.sim__fila input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none; width:1.1rem; height:1.1rem; margin-top:-0.55rem;
  background:var(--text); border:0; border-radius:var(--r);
}
.sim__fila input[type="range"]::-moz-range-thumb{
  width:1.1rem; height:1.1rem; background:var(--text); border:0; border-radius:var(--r);
}
.sim__fila input[type="range"]:focus-visible{ outline:1px solid var(--accent); outline-offset:4px; }
.sim__pie > span{
  font-size:var(--t-xs); font-weight:400;
  letter-spacing:0.18em; text-transform:uppercase; color:var(--grey-2);
}
.chips{ display:flex; gap:0.375rem; flex-wrap:wrap; }
.chip{
  all:unset; box-sizing:border-box; cursor:pointer;
  display:inline-grid; place-items:center;
  min-width:3.4rem; min-height:2.5rem; padding:0.5rem 0.8rem; text-align:center;
  border:1px solid var(--line-2); border-radius:var(--r);
  font-size:0.8125rem; font-weight:400; letter-spacing:0.06em;
  color:var(--grey-1);
  font-variant-numeric:tabular-nums;
  transition:color 0.3s var(--ease), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.chip:hover{ color:var(--text); border-color:rgba(232,232,230,0.4); }
.chip:focus-visible{ outline:1px solid var(--accent); outline-offset:2px; }
.chip[aria-pressed="true"]{ background:var(--text); color:var(--bg); border-color:var(--text); }
.chip[disabled]{ opacity:0.35; cursor:default; }
.chip[hidden]{ display:none; }   /* all:unset anula el display:none del atributo */
#niveles .chip, #huellas .chip{ min-width:0; padding-inline:0.65rem; }   /* los cuatro niveles caben en una fila */


/* ── carga ──────────────────────────────────────────────────── */
.sim__carga{
  position:fixed; inset:0; z-index:5;
  display:grid; place-items:center; align-content:center; gap:var(--s2);
  background:var(--bg);
  transition:opacity 0.9s var(--ease), visibility 0.9s;
}
.sim__carga[data-listo="true"]{ opacity:0; visibility:hidden; }
.sim__carga p{
  margin:0; font-size:var(--t-xs); letter-spacing:0.2em; text-transform:uppercase;
  color:var(--grey-2); font-variant-numeric:tabular-nums;
}
.sim__carga i{
  display:block; width:12rem; height:1px; background:var(--line-2); position:relative; overflow:hidden;
}
.sim__carga i::after{
  content:""; position:absolute; inset:0; background:var(--text);
  transform:scaleX(var(--p, 0)); transform-origin:left;
  transition:transform 0.3s var(--ease);
}

/* ── etiqueta flotante al pasar sobre una vértebra ──────────── */
.sim__tip{
  position:fixed; z-index:4; pointer-events:none;
  padding:0.35rem 0.6rem;
  background:rgba(10,10,11,0.82);
  border:1px solid var(--line-2); border-radius:var(--r);
  font-size:var(--t-xs); letter-spacing:0.08em; color:var(--text);
  transform:translate(14px, -50%);
  white-space:nowrap;
}

/* crédito obligatorio de la anatomía (licencia CC BY-SA): abajo a la derecha, bajo los sistemas */
.sim__credito{
  position:fixed; right:clamp(1rem, 2.4vw, 2.25rem); bottom:clamp(1rem, 2.4vw, 2.25rem);
  width:16rem; margin:0; font-size:0.62rem; line-height:1.5; letter-spacing:0.04em; color:var(--grey-2);
  pointer-events:auto;
}
.sim__credito a{ text-decoration:underline; text-underline-offset:2px; text-decoration-color:var(--line-2); }

/* ═══════════ capas de apilamiento ═══════════ */
.sim__lienzo{ z-index:0; }
.sim__vineta{ z-index:1; }
.sim__ui{ z-index:3; }
.sim__credito{ z-index:3; }

/* ═══════════ acciones de la ficha ═══════════ */
/* Cotizar es el paso comercial: el botón más visible de la ficha */
.sim__cta{
  all:unset; box-sizing:border-box; cursor:pointer;
  padding:0.8rem 1.3rem; border-radius:var(--r);
  background:var(--text); color:var(--bg);
  font-size:var(--t-xs); font-weight:600; letter-spacing:0.12em; text-transform:uppercase;
  transition:background-color 0.3s var(--ease);
}
.sim__cta:hover{ background:#fff; }
.sim__cta:focus-visible{ outline:1px solid var(--accent); outline-offset:3px; }
.chip--tec{ border-color:rgba(232,232,230,0.45); color:var(--text); }
.sim__acciones .sim__ficha{ margin-left:auto; }

/* ═══════════ técnica paso a paso ═══════════ */
/* el texto de la técnica es largo: el degradado izquierdo se oscurece más
   (solo escritorio: en celular manda el degradado inferior) */
@media (min-width: 60.01rem){ .sim--tecnica .sim__vineta, .sim--vitrina .sim__vineta{
  background:
    linear-gradient(to right, rgba(10,10,11,0.96) 0%, rgba(10,10,11,0.88) 25%, rgba(10,10,11,0.4) 36%, transparent 46%),
    linear-gradient(to left, rgba(10,10,11,0.9) 0%, rgba(10,10,11,0.62) 17%, transparent 30%),
    radial-gradient(ellipse 50% 64% at 55% 50%, transparent 45%, rgba(10,10,11,0.5) 80%, rgba(10,10,11,0.9) 100%);
} }
.sim__tec{ grid-area:info; align-self:end; max-width:25rem; padding-block:0; }
.sim__tec[hidden]{ display:none; }
.sim--tecnica .sim__info, .sim--tecnica .sim__gal{ display:none; }
.sim__tec-t{
  margin:0; font-family:var(--font-display); font-weight:900;
  font-size:clamp(1.6rem, 2.6vw, 2.4rem); line-height:1; letter-spacing:-0.01em;
  text-wrap:balance;
}
.sim__tec-x{ margin:var(--s2) 0 0; font-size:var(--t-sm); line-height:1.65; color:var(--grey-1); max-width:40ch; }
.sim__tec-i{ margin-top:var(--s3); border-top:1px solid var(--line-2); }
.sim__tec-i[hidden], .sim__tec-fin[hidden]{ display:none; }
.sim__tec-i span{
  display:block; padding:0.5rem 0; border-bottom:1px solid var(--line);
  font-size:var(--t-xs); letter-spacing:0.05em; color:var(--text); font-variant-numeric:tabular-nums;
}
.sim__tec-fin{ display:flex; flex-wrap:wrap; align-items:center; gap:var(--s1) var(--s2); margin-top:var(--s3); }
.sim__tec-barra{ display:grid; grid-auto-flow:column; grid-auto-columns:1fr; gap:3px; margin-top:var(--s4); }
.sim__tec-barra button{ all:unset; cursor:pointer; height:14px; position:relative; }
.sim__tec-barra button::before{
  content:""; position:absolute; left:0; right:0; top:6px; height:2px;
  background:var(--line-2); transition:background-color 0.3s var(--ease);
}
.sim__tec-barra button[data-estado="hecho"]::before{ background:var(--grey-1); }
.sim__tec-barra button[data-estado="actual"]::before{ background:var(--text); top:5px; height:4px; }
.sim__tec-barra button:focus-visible{ outline:1px solid var(--accent); outline-offset:2px; }
.sim__tec-nav{ display:flex; align-items:center; flex-wrap:wrap; gap:var(--s2); margin-top:var(--s3); }
/* Siguiente: la acción principal del modo técnica, al menos 1.5× los demás */
.sim__sig{
  all:unset; box-sizing:border-box; cursor:pointer;
  padding:0.9rem 1.9rem; border-radius:var(--r);
  background:var(--text); color:var(--bg);
  font-size:var(--t-sm); font-weight:600; letter-spacing:0.12em; text-transform:uppercase;
  transition:background-color 0.3s var(--ease);
}
.sim__sig:hover{ background:#fff; }
.sim__sig:focus-visible{ outline:1px solid var(--accent); outline-offset:3px; }
.sim__link{
  all:unset; cursor:pointer; padding:0.4rem 0;
  font-size:var(--t-xs); letter-spacing:0.12em; text-transform:uppercase; color:var(--grey-2);
  border-bottom:1px solid transparent; transition:color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.sim__link:hover{ color:var(--text); border-color:var(--line-2); }
.sim__link:focus-visible{ outline:1px solid var(--accent); outline-offset:3px; }

/* ═══════════ barra única: vista y herramientas ═══════════
   Todo lo que mueve la cámara o cambia lo que se ve vive junto, abajo al
   centro, con botones de 44 px. La ficha queda a la izquierda y los
   sistemas a la derecha. */
.sim__dock{ grid-area:dock; align-self:end; justify-self:center; position:relative; max-width:100%; }
.sim__dock-fila{
  display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:4px;
  padding:6px;
  background:rgba(14,14,15,0.86); border:1px solid var(--line-2); border-radius:var(--r);
  -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
}
.dk{
  all:unset; box-sizing:border-box; cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center; gap:0.5rem;
  min-height:2.75rem; padding:0 0.9rem; border-radius:var(--r);
  font-size:0.8125rem; letter-spacing:0.04em; color:var(--grey-1); white-space:nowrap;
  transition:color 0.2s var(--ease), background-color 0.2s var(--ease);
  touch-action:manipulation; -webkit-tap-highlight-color:transparent;
}
.dk svg{ width:18px; height:18px; flex:0 0 auto; fill:none; stroke:currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.dk:hover{ color:var(--text); background:rgba(232,232,230,0.07); }
.dk:focus-visible{ outline:1px solid var(--accent); outline-offset:-2px; }
.dk[aria-pressed="true"], .dk[aria-expanded="true"]{ background:var(--text); color:var(--bg); }
.sim__seg{ display:inline-flex; border:1px solid var(--line-2); border-radius:var(--r); }
.sim__seg .dk + .dk{ border-left:1px solid var(--line-2); border-radius:0; }
.sim__dock-sep{ width:1px; height:1.75rem; margin:0 4px; background:var(--line-2); }
/* capas: se abren encima de la barra */
.sim__capas{
  position:absolute; left:50%; bottom:calc(100% + 8px); transform:translateX(-50%);
  display:none; align-items:center; gap:var(--s2);
  width:max-content; max-width:min(44rem, calc(100vw - 2rem)); padding:10px 12px;
  background:rgba(14,14,15,0.92); border:1px solid var(--line-2); border-radius:var(--r);
  -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
}
.sim__dock[data-capas="on"] .sim__capas{ display:flex; }
.sim__capas > span{ font-size:var(--t-xs); letter-spacing:0.18em; text-transform:uppercase; color:var(--grey-2); }
.sim__capas .chips{ justify-content:center; }

/* ═══════════ vitrina de piezas e instrumental ═══════════ */
.sim__vit{ grid-area:info; align-self:end; max-width:25rem; padding-block:0; }
.sim__vit[hidden]{ display:none; }
.sim--vitrina .sim__info, .sim--vitrina .sim__gal, .sim--vitrina .sim__dock{ display:none; }
.sim__vit-cod{ margin:var(--s1) 0 0; font-size:var(--t-sm); letter-spacing:0.06em; color:var(--text); font-variant-numeric:tabular-nums; }
.sim__vit-cod[hidden], .sim__vit-nota[hidden]{ display:none; }
.sim__vit-nota{ margin:var(--s2) 0 0; font-size:var(--t-xs); line-height:1.5; color:var(--grey-2); max-width:40ch; }
.sim__vit-lista{ display:grid; gap:var(--s1); margin-top:var(--s3); }
.sim__vit-lista > p{ margin:var(--s1) 0 0; font-size:var(--t-xs); letter-spacing:0.18em; text-transform:uppercase; color:var(--grey-2); }

/* ═══════════ lupa de fluoroscopía ═══════════ */
.sim__lupa{ position:fixed; inset:0; z-index:2; pointer-events:none; }
.sim__lupa[hidden]{ display:none; }
.sim__lupa canvas{
  position:absolute; border-radius:50%;
  box-shadow:0 0 0 1px rgba(232,232,230,0.75), 0 0 0 6px rgba(10,10,11,0.55);
}
.sim__lupa svg{ position:absolute; inset:0; width:100%; height:100%; overflow:visible; }
.sim__lupa line{ stroke:rgba(232,232,230,0.6); stroke-width:1; }
.sim__lupa circle{ fill:var(--text); }
.sim__lupa p{
  position:absolute; margin:0; transform:translateX(-50%); white-space:nowrap;
  font-size:0.62rem; letter-spacing:0.16em; text-transform:uppercase; color:var(--grey-1);
}

/* ═══════════ guía de primera visita ═══════════ */
.sim__guia{
  position:fixed; z-index:4; left:50%; bottom:clamp(5rem, 14vh, 9rem); transform:translateX(-50%);
  display:flex; align-items:center; gap:var(--s3);
  padding:0.85rem 1rem 0.85rem 1.2rem; max-width:calc(100vw - 2rem);
  background:rgba(10,10,11,0.88); border:1px solid var(--line-2); border-radius:var(--r);
  -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px);
}
.sim__guia[hidden]{ display:none; }
.sim__guia p{ margin:0; font-size:var(--t-sm); color:var(--grey-1); }
.sim__guia b{ color:var(--text); font-weight:400; }

/* el asistente se abre desde Cotizar: aquí no lleva botón flotante */
.sim .asis-fab{ display:none; }

/* pantallas bajas: la ficha se compacta antes de chocar con el logo */
/* pantallas de 900 px o menos: la ficha muestra el dato calculado y uno más */
@media (min-width: 60.01rem) and (max-height: 960px){
  .sim__datos div:nth-child(n+3), .sim__resumen{ display:none; }
}
@media (min-width: 60.01rem) and (max-height: 820px){
  .sim__resumen{ display:none; }
  .sim__gal button span{ display:none; }
  .sim__gal button{ padding:0.6rem 0; }
  .sim__datos div:nth-child(n+2){ display:none; }
  .sim__nombre{ font-size:clamp(1.8rem, 3vw, 2.6rem); }
}
@media (min-width: 60.01rem) and (max-height: 680px){
  .sim__datos div:nth-child(n+3){ display:none; }
  .sim__gal button span{ display:none; }
  .sim__gal button{ padding:0.5rem 0; }
}

/* ═══════════ hoja y pestañas ═══════════ */
/* en escritorio la hoja no es caja: sus hijos van a la rejilla como siempre */
.sim__hoja{ display:contents; }
.sim__asa, .sim__tabs, .sim__cta--top{ display:none; }
.sim__mano{ margin-top:var(--s2); }
.chip, .sim__cta, .sim__sig, .sim__link{ touch-action:manipulation; -webkit-tap-highlight-color:transparent; }
.sim__sig[disabled]{ opacity:0.5; cursor:progress; }

/* ═══════════ registro de especialistas ═══════════ */
.sim__reg{
  width:min(36rem, calc(100% - 2rem)); max-height:calc(100svh - 2rem); padding:0; overflow:auto;
  color:var(--text); background:#111113;
  border:1px solid var(--line-2); border-radius:var(--r);
}
.sim__reg::backdrop{ background:rgba(10,10,11,0.74); -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px); }
.sim__reg form{ display:grid; gap:var(--s2); padding:clamp(1.25rem, 3vw, 2rem); }
.sim__reg .sim__nivel{ margin:0; }
.sim__reg h2{
  margin:0; font-family:var(--font-display); font-weight:900;
  font-size:clamp(1.5rem, 3vw, 2rem); line-height:1.02; letter-spacing:-0.01em; text-wrap:balance;
}
.sim__reg-x{ margin:0; font-size:var(--t-sm); line-height:1.6; color:var(--grey-1); }
.sim__campos{ display:grid; grid-template-columns:1fr 1fr; gap:0.85rem 1rem; margin-top:var(--s1); }
.sim__campo-ancho{ grid-column:1 / -1; }
.sim__campos label{
  display:grid; gap:0.4rem;
  font-size:var(--t-xs); letter-spacing:0.12em; text-transform:uppercase; color:var(--grey-2);
}
.sim__campos input, .sim__campos select{
  box-sizing:border-box; width:100%; min-height:2.75rem; margin:0; padding:0 0.8rem;
  font:400 1rem/1.2 var(--font); letter-spacing:0; text-transform:none; color:var(--text);
  background-color:rgba(232,232,230,0.03); border:1px solid var(--line-2); border-radius:var(--r);
  -webkit-appearance:none; appearance:none; outline:none;
  transition:border-color 0.2s var(--ease);
}
.sim__campos select{
  padding-right:2.2rem; cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23A9A9A6' stroke-width='1.4'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 0.85rem center;
}
.sim__campos select option{ background:#111113; color:var(--text); }
.sim__campos input:focus, .sim__campos select:focus{ border-color:rgba(232,232,230,0.6); }
.sim__campos input:user-invalid, .sim__campos select:user-invalid{ border-color:#C5655C; }
.sim__trampa{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }
.sim__ok{ display:flex; gap:0.75rem; align-items:flex-start; font-size:var(--t-sm); line-height:1.5; color:var(--grey-1); cursor:pointer; }
.sim__ok input{ flex:0 0 auto; width:1.25rem; height:1.25rem; margin:0.1rem 0 0; accent-color:var(--text); cursor:pointer; }
.sim__ok a{ color:var(--text); text-decoration:underline; text-underline-offset:2px; text-decoration-color:var(--line-2); }
.sim__reg-err{
  margin:0; padding:0.7rem 0.9rem; font-size:var(--t-sm); color:var(--text);
  border:1px solid rgba(197,101,92,0.6); border-radius:var(--r); background:rgba(197,101,92,0.08);
}
.sim__reg-err[hidden]{ display:none; }
.sim__reg-nav{ display:flex; align-items:center; gap:var(--s3); flex-wrap:wrap; margin-top:var(--s1); }

/* ═══════════ celular: como app ═══════════
   La escena ocupa toda la pantalla. Abajo, la barra de pestañas y encima la
   hoja con lo de la pestaña activa. La hoja se arrastra desde su asa
   (mínima · media · máxima) y la escena se reacomoda en el hueco que deja. */
@media (max-width: 60rem){
  .sim__ui{
    grid-template-columns:minmax(0, 1fr);
    grid-template-rows:auto 1fr auto auto;
    grid-template-areas: "top" "." "hoja" "tabs";
    gap:0; padding:0;
  }
  .sim__top{ padding:calc(env(safe-area-inset-top) + 0.7rem) 1rem 0.6rem; }
  .sim__top img{ height:1.75rem; }
  .sim__top span{ display:none; }
  .sim__top{ gap:var(--s2); }
  /* tres regiones no caben junto al logo y Cotizar: el selector baja a su propia fila, a todo lo ancho */
  .sim__top{ flex-wrap:wrap; row-gap:0.5rem; }
  .sim__regiones{ order:3; display:flex; width:100%; }
  .sim__regiones a{ flex:1; min-height:2.25rem; padding:0 0.5rem; font-size:0.62rem; letter-spacing:0.1em; }
  /* Cotizar siempre a la mano, como acción principal de la app */
  .sim__cta--top{ display:inline-grid; place-items:center; margin-left:auto; min-height:2.5rem; padding:0 1rem; font-size:0.68rem; }

  /* la escena se ve completa: solo se oscurece la franja del logo */
  .sim__vineta{ background:linear-gradient(to bottom, rgba(10,10,11,0.85) 0%, rgba(10,10,11,0.35) 9%, transparent 15%); }

  /* hoja */
  .sim__hoja{
    grid-area:hoja; display:block; position:relative;
    max-height:44svh; overflow-y:auto; overscroll-behavior:contain;
    padding:0 1rem 1.25rem;
    background:rgba(14,14,15,0.94);
    -webkit-backdrop-filter:blur(18px) saturate(1.2); backdrop-filter:blur(18px) saturate(1.2);
    border-top:1px solid var(--line-2); border-radius:var(--r) var(--r) 0 0;
    transition:max-height 0.35s var(--ease);
    scrollbar-width:none;
  }
  .sim__hoja::-webkit-scrollbar{ display:none; }
  .sim__hoja[data-estado="min"]{ max-height:7.75rem; overflow:hidden; }
  .sim__hoja[data-estado="max"]{ max-height:76svh; }
  .sim__hoja.sim__hoja--arrastre{ transition:none; }
  .sim__asa{
    all:unset; box-sizing:border-box; cursor:grab; touch-action:none;
    position:sticky; top:0; z-index:2; display:grid; place-items:center;
    width:calc(100% + 2rem); height:2.75rem; margin:0 -1rem;
    background:linear-gradient(to bottom, rgba(14,14,15,1) 65%, rgba(14,14,15,0));
    -webkit-tap-highlight-color:transparent;
  }
  .sim__asa i{ width:2.25rem; height:4px; border-radius:2px; background:rgba(232,232,230,0.3); transition:background-color 0.2s var(--ease); }
  .sim__asa:active i, .sim__asa:focus-visible i{ background:var(--text); }

  /* una sola sección visible por pestaña */
  body:not([data-tab="implante"]) .sim__info,
  body:not([data-tab="sistemas"]) .sim__der,
  body:not([data-tab="vista"]) .sim__dock{ display:none; }
  .sim--tecnica .sim__info, .sim--tecnica .sim__der, .sim--tecnica .sim__dock,
  .sim--vitrina .sim__der{ display:none; }
  .sim--vitrina .sim__tabs{ display:none; }

  /* ficha */
  .sim__info, .sim__tec{ max-width:none; }
  .sim__info{ max-height:none; overflow:visible; }   /* en celular ya se recorre la hoja */
  .sim__credito{ width:auto; right:auto; }
  .sim__nivel{ margin-bottom:0.4rem; }
  .sim__nombre{ font-size:1.9rem; }
  .sim__rol{ font-size:var(--t-sm); }
  .sim__resumen{ max-width:none; margin-top:var(--s2); }
  .sim__datos{ margin-top:var(--s2); }
  .sim__talla{ margin-top:var(--s2); gap:0.25rem; }
  .sim__mano{ margin-top:var(--s1); }
  .sim__pie{ flex-wrap:wrap; margin-top:var(--s2); gap:var(--s1); }
  .sim__pie > span{ display:none; }
  .sim__acciones{ margin-top:var(--s3); gap:var(--s1); }
  .sim__acciones .sim__cta{ order:-1; flex:1 0 100%; text-align:center; padding-block:1rem; }
  .sim__acciones .sim__ficha{ margin-left:auto; min-height:2.75rem; padding-bottom:0; border-bottom:0; }

  /* galería: filas grandes, como lista de app */
  .sim__der{ display:block; }
  .sim__gal h2{ margin:0 0 0.5rem; }
  .sim__gal button{ padding:0.8rem 0; min-height:3.5rem; }
  .sim__gal button b{ font-size:1rem; }

  /* pestaña Vista: capas arriba y botones en mosaico */
  .sim__dock{ justify-self:stretch; align-self:auto; }
  .sim__capas{
    position:static; transform:none; display:grid; gap:var(--s1);
    width:auto; max-width:none; padding:0; background:none; border:0;
    -webkit-backdrop-filter:none; backdrop-filter:none;
  }
  .sim__capas .chips{ justify-content:flex-start; }
  .dk--capas, .sim__dock-sep{ display:none; }
  .sim__dock-fila{
    display:grid; grid-template-columns:repeat(4, 1fr); gap:6px; margin-top:var(--s2);
    padding:0; background:none; border:0; -webkit-backdrop-filter:none; backdrop-filter:none;
  }
  .sim__seg{ grid-column:1 / -1; display:grid; grid-template-columns:repeat(3, 1fr); }
  .dk{
    flex-direction:column; gap:0.35rem; min-height:4.25rem; padding:0.5rem 0.25rem;
    font-size:0.68rem; letter-spacing:0.06em; white-space:normal; text-align:center;
    border:1px solid var(--line-2);
  }
  .sim__seg .dk{ flex-direction:row; min-height:2.75rem; border:0; font-size:0.8125rem; }
  .dk svg{ width:22px; height:22px; }
  .sim__vit{ max-width:none; }

  /* técnica: la navegación queda siempre a la mano, pegada abajo */
  .sim__tec-t{ font-size:1.5rem; }
  .sim__tec-x{ font-size:var(--t-sm); max-width:none; }
  .sim__tec-barra{ margin-top:var(--s3); }
  .sim__tec-nav{
    position:sticky; bottom:0; z-index:1; flex-wrap:nowrap;
    margin:var(--s2) -1rem 0; padding:0.75rem 1rem 0;
    background:rgba(14,14,15,0.98); border-top:1px solid var(--line);
  }
  .sim__tec-nav .sim__sig{ flex:1; text-align:center; }
  .sim__tec-nav .chip{ flex:0 0 auto; }
  .sim__largo{ display:none; }
  .sim__tec-nav .sim__link{ white-space:nowrap; }

  /* pestañas */
  .sim__tabs{
    grid-area:tabs; display:grid; grid-template-columns:repeat(4, 1fr);
    padding-bottom:env(safe-area-inset-bottom);
    background:var(--bg); border-top:1px solid var(--line);
  }
  .sim--tecnica .sim__tabs{ display:none; }
  .sim__tabs button{
    all:unset; box-sizing:border-box; cursor:pointer; position:relative;
    display:grid; justify-items:center; align-content:center; gap:0.3rem;
    min-height:3.6rem; color:var(--grey-2);
    font-size:0.64rem; letter-spacing:0.1em; text-transform:uppercase;
    transition:color 0.25s var(--ease);
    touch-action:manipulation; -webkit-tap-highlight-color:transparent;
  }
  .sim__tabs svg{ width:22px; height:22px; fill:none; stroke:currentColor; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; }
  .sim__tabs button[aria-pressed="true"]{ color:var(--text); }
  .sim__tabs button[aria-pressed="true"]::before{
    content:""; position:absolute; top:-1px; left:50%; width:1.5rem; margin-left:-0.75rem; height:2px; background:var(--text);
  }
  .sim__tabs button:focus-visible{ outline:1px solid var(--accent); outline-offset:-4px; }

  /* objetivos táctiles de 44 px */
  .chip{ min-height:2.75rem; padding:0.6rem 0.8rem; display:inline-grid; place-items:center; }
  .sim__fila{ min-height:2.75rem; }
  .sim__fila > span, .sim__fila > label{ flex-basis:4.9rem; letter-spacing:0.1em; }
  .sim__fila input[type="range"]{ height:2.75rem; }
  .sim__fila input[type="range"]::-webkit-slider-thumb{ width:1.25rem; height:1.25rem; margin-top:-0.6rem; }
  .sim__fila input[type="range"]::-moz-range-thumb{ width:1.25rem; height:1.25rem; }
  .sim__sig, .sim__cta{ min-height:2.75rem; }
  .sim__link{ min-height:2.75rem; display:inline-grid; place-items:center; padding:0; }

  .sim__credito{ top:calc(env(safe-area-inset-top) + 6.1rem); bottom:auto; left:1rem; transform:none; font-size:0.55rem; }
  .sim__credito span{ display:none; }
  .sim__guia{ bottom:auto; top:calc(env(safe-area-inset-top) + 4.6rem); }
  .sim__guia p{ font-size:var(--t-xs); }

  .sim__reg{ width:100%; max-width:none; max-height:94svh; margin:auto 0 0; border-radius:var(--r) var(--r) 0 0; border-bottom:0; }
  .sim__reg form{ padding-bottom:calc(1.25rem + env(safe-area-inset-bottom)); }
  .sim__campos{ grid-template-columns:1fr; }
  .sim__reg-nav .sim__sig{ flex:1; text-align:center; }
}

/* ═══════════ etiquetas del instrumental en la escena ═══════════ */
.sim__etqs{ position:fixed; inset:0; z-index:2; pointer-events:none; }
.sim__etqs[hidden]{ display:none; }
.sim__etqs svg{ position:absolute; inset:0; width:100%; height:100%; overflow:visible; }
.sim__etqs line{ stroke:rgba(232,232,230,0.6); stroke-width:1; }
.sim__etqs circle{ fill:var(--text); }
.sim__etqs p{
  position:absolute; margin:0; transform:translate(0, -50%); white-space:nowrap;
  padding:0.32rem 0.6rem; font-size:0.72rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--text);
  background:rgba(10,10,11,0.85); border:1px solid var(--line-2); border-radius:var(--r);
}
.sim__etqs p[data-lado="izq"]{ transform:translate(-100%, -50%); }
.sim__etqs p[hidden]{ display:none; }

/* ═══════════ técnica y vitrina: datos y salida siempre a la vista ═══════════ */
.sim__tec-d{ margin-top:var(--s2); }
.sim__tec-d div{ font-size:var(--t-sm); }
.sim__tec-d dd{ max-width:60%; }
.sim__volver{
  all:unset; box-sizing:border-box; cursor:pointer;
  display:inline-flex; align-items:center; gap:0.5rem; min-height:2.75rem; padding:0 1rem; margin-bottom:var(--s3);
  border:1px solid rgba(232,232,230,0.45); border-radius:var(--r);
  font-size:0.8125rem; letter-spacing:0.06em; color:var(--text);
  transition:background-color 0.2s var(--ease), color 0.2s var(--ease);
  touch-action:manipulation; -webkit-tap-highlight-color:transparent;
}
.sim__volver svg{ width:18px; height:18px; fill:none; stroke:currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.sim__volver:hover{ background:var(--text); color:var(--bg); }
.sim__volver:focus-visible{ outline:1px solid var(--accent); outline-offset:3px; }
@media (min-width: 60.01rem){
  /* si la ventana es baja, el panel se recorre por dentro y sus botones quedan pegados abajo */
  .sim__tec, .sim__vit{ max-height:calc(100svh - 8.5rem); overflow-y:auto; scrollbar-width:none; }
  .sim__tec::-webkit-scrollbar, .sim__vit::-webkit-scrollbar{ display:none; }
  .sim__tec .sim__tec-nav, .sim__vit .sim__tec-nav{
    position:sticky; bottom:0; z-index:1; padding:0.75rem 0 0.25rem; background:rgba(10,10,11,0.94);
  }
}
@media (max-width: 60rem){
  .sim__etqs p{ font-size:0.62rem; padding:0.25rem 0.45rem; }
  .sim__volver{ width:100%; justify-content:center; margin-bottom:var(--s2); }
}

@media (prefers-reduced-motion: reduce){
  .sim__carga, .chip, .sim__gal button, .sim__gal button::before, .sim__hoja, .sim__tabs button{ transition:none; }
}