/* ── b2c-demo.css — demos del caso uDocz para estudiantes ──
   Requiere uds-kit.css (tokens y componentes reales de uds-v2, aquí en
   el tema base) y base.css. La cáscara .demo-* vive en ds-demo.css. */

#bdemo1 .demo-readout,#bdemo2 .demo-readout,#bdemo3 .demo-readout{white-space:normal}
#bdemo1 .demo-readout .l,#bdemo2 .demo-readout .l,#bdemo7 .demo-readout .l,.ck-out .l{display:block}
.ck-out[hidden]{display:none}
.ck-out{display:block}

/* ═══════════════════════════════════════════════════════════════
   DEMO 01 — la matriz de capacidades, consultable
   Cada celda es un botón: la matriz del caso no es una tabla de
   colores, es un documento que responde preguntas. Se muestran 6 de
   las 27 capacidades; la celda "pendiente" sostiene el argumento.
═══════════════════════════════════════════════════════════════ */
.mx{padding:16px 18px;background:var(--papel-2)}
.mx-grid{
  display:grid;grid-template-columns:1.15fr repeat(3,1fr);
  gap:5px;align-items:stretch;
}
.mx-hd{
  padding:6px 8px;font-family:var(--mono);font-size:9.5px;letter-spacing:.7px;
  text-transform:uppercase;color:var(--tinta-2);
  border-bottom:1px solid var(--grid-mayor);display:flex;align-items:flex-end;
}
.mx-rh{
  display:flex;align-items:center;padding:8px 8px 8px 0;
  font-size:12.5px;font-weight:600;color:var(--tinta);
}
.mx-c{
  display:flex;align-items:center;justify-content:flex-start;gap:7px;
  padding:9px 10px;cursor:pointer;text-align:left;
  font-family:var(--mono);font-size:9px;letter-spacing:.5px;text-transform:uppercase;
  color:var(--tinta-2);border:1px solid var(--borde);border-radius:4px;background:var(--papel);
}
/* el estado es un cuadradito de la retícula del sitio: lleno, medio,
   contorno, con punto o punteado — monocromo + sol, sin arcoíris */
.mx-c::before{
  content:"";flex:0 0 10px;height:10px;border-radius:2px;
  border:1.5px solid var(--tinta-3);box-sizing:border-box;
}
.mx-c[data-e="ok"]::before{background:#facc15;border-color:#facc15}
.mx-c[data-e="lim"]::before{background:linear-gradient(135deg,#facc15 50%,transparent 50%)}
.mx-c[data-e="reg"]::before{background:transparent}
.mx-c[data-e="pago"]::before{background:radial-gradient(circle at center,#facc15 0 2.5px,transparent 3px)}
.mx-c[data-e="pend"]{border-style:dashed}
.mx-c[data-e="pend"]::before{border-style:dashed;background:transparent}
.mx-c:hover,.mx-c:focus-visible{border-color:#facc15;outline:0}
.mx-c.is-sel{border-color:#facc15;box-shadow:inset 0 0 0 1px #facc15;background:rgba(250,204,21,.10)}
@media (max-width:640px){
  .mx{padding:12px}
  .mx-grid{grid-template-columns:.95fr repeat(3,1fr);gap:4px}
  .mx-rh{font-size:11px;padding-right:4px}
  .mx-c{font-size:9px;padding:8px 3px}
  .mx-hd{font-size:8.5px}
}

/* ═══════════════════════════════════════════════════════════════
   DEMO 02 — el reader: lo que te pierdes se ve
   Portación de la mecánica real del gate: el piso son 5 páginas
   completas y el RESTO se muestra borroso y recorrible — el usuario
   ve cuántas hojas le faltan sin hacer la cuenta. La card de
   desbloqueo flota sticky sobre la región bloqueada y al canjear
   corre la onda de reveal desde ella.
═══════════════════════════════════════════════════════════════ */
.rd{background:var(--color-bg-page,#F8FAFC);display:flex;flex-direction:column;
  font-family:var(--font-family-sans)}

/* ── hero ── */
.rd-hero{display:flex;align-items:flex-start;gap:12px;padding:12px 14px 10px;
  background:var(--color-bg-default);border-bottom:1px solid var(--color-border-default)}
.rd-hero-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:7px}
.rd-hero-head{display:flex;align-items:center;gap:7px;min-width:0}
.rd-hero-back{flex:0 0 auto;color:var(--color-brand-primary,#256EFF)}
.rd-hero-back svg{display:block;width:17px;height:17px}
.rd-hero-t{font-family:var(--font-family-display);font-size:13px;font-weight:700;
  line-height:1.15;color:var(--color-text-primary);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.rd-hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:4px 9px;
  font-size:10.5px;color:var(--color-text-secondary)}
.rd-hero-meta>*{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.rd-hero-av{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
  background:var(--color-indigo-100);color:var(--color-indigo-700);
  font-size:8px;font-weight:700;font-style:normal;letter-spacing:.02em}
.rd-hero-au{font-weight:500;color:var(--color-text-primary)}
.rd-hero-badge{color:var(--color-brand-primary,#256EFF);font-weight:500}
.rd-hero-badge svg{width:13px;height:13px}
.rd-hero-sep{width:1px;height:12px;background:var(--color-border-default)}
.rd-hero-views svg,.rd-hero-vote svg{width:13px;height:13px;color:var(--color-text-tertiary)}
.rd-hero-vote .rd-vd{margin-left:3px}
.rd-hero-dl{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  padding:7px 13px;border-radius:999px;
  background:var(--color-brand-primary,#256EFF);color:#fff;font-size:11px;font-weight:600}
.rd-hero-dl svg{width:13px;height:13px}

/* ── el scroller: las páginas son papel sobre el fondo de la app ── */
.rd-view{position:relative;height:470px;overflow-y:auto;overflow-x:hidden;
  scroll-behavior:smooth;background:var(--color-bg-page,#F8FAFC)}
@media (prefers-reduced-motion:reduce){.rd-view{scroll-behavior:auto}}
.rd-pgs{display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:12px 0 20px}
.rd-page{
  width:min(470px,72%);min-height:330px;padding:22px 26px;box-sizing:border-box;
  display:flex;flex-direction:column;gap:7px;overflow:hidden;
  background:var(--color-bg-default);border:1px solid var(--color-border-default);
  border-radius:4px;box-shadow:0 1px 3px rgba(15,23,42,.07);
}
.rd-rh{
  display:flex;justify-content:space-between;gap:10px;
  font-size:8.5px;letter-spacing:.4px;text-transform:uppercase;
  color:var(--color-text-tertiary);border-bottom:1px solid var(--color-border-default);
  padding-bottom:6px;margin-bottom:3px;
}
.rd-rh i{font-style:normal}
.rd-h2{font-family:var(--font-family-display);font-size:14px;font-weight:700;color:var(--color-text-primary)}
.rd-h3{font-size:10.5px;font-weight:700;color:var(--color-text-primary);margin-top:3px}
.rd-p{font-size:10px;line-height:1.65;color:var(--color-text-secondary)}
.rd-p b,.rd-li b{color:var(--color-text-primary);font-weight:600}
.rd-li{
  position:relative;padding-left:12px;font-size:10px;line-height:1.6;
  color:var(--color-text-secondary);
}
.rd-li::before{content:"";position:absolute;left:2px;top:7px;width:3px;height:3px;
  border-radius:50%;background:var(--color-text-tertiary)}
.rd-cover{justify-content:center;gap:9px;background:var(--color-bg-subtle)}
.rd-eyebrow{font-family:var(--mono);font-size:8.5px;letter-spacing:.5px;color:var(--color-text-tertiary)}
.rd-h1{font-family:var(--font-family-display);font-size:22px;line-height:1.15;font-weight:700;color:var(--color-text-primary)}
.rd-lede{font-size:10px;line-height:1.6;color:var(--color-text-secondary);max-width:34ch}
.rd-rule{height:2px;width:44px;background:var(--color-brand-primary);margin:2px 0}
.rd-meta{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;font-size:9px;color:var(--color-text-secondary)}
.rd-meta b{font-weight:600;color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.4px;font-size:8px}

/* ── el anuncio: entra por regla (1 cada 2 páginas), no por hueco ── */
.rd-ad{width:min(470px,72%);display:flex;flex-direction:column;gap:5px}
.rd-ad-l{font-size:8.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--color-text-tertiary)}
.rd-ad-s{
  /* los washes del producto son los stops 100 (casi blancos): sobre una
     superficie oscura se leen como manchas sucias, así que en dark se
     rehacen como veladuras de la marca sobre el fondo */
  --ad-w1:color-mix(in srgb,var(--color-blue-100) 70%,transparent);
  --ad-w2:color-mix(in srgb,var(--color-aquamarine-100) 60%,transparent);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;min-height:74px;padding:12px;border-radius:12px;
  border:1px dashed var(--color-border-default);text-align:center;
  background:
    radial-gradient(120% 140% at 0% 0%,var(--ad-w1),transparent 60%),
    radial-gradient(120% 140% at 100% 100%,var(--ad-w2),transparent 60%),
    var(--color-bg-subtle);
}
.uds-scope[data-uds-theme="dark"] .rd-ad-s{
  --ad-w1:rgba(88,144,255,.16);
  --ad-w2:rgba(61,220,151,.10);
}
.rd-ad-b{font-size:11px;font-weight:600;color:var(--color-text-secondary)}
.rd-ad-c{font-size:10px;color:var(--color-text-tertiary)}

/* ── la región bloqueada: se ve, se recorre, no se lee ── */
.rd-page.is-lock,.rd-ad.is-lock{
  filter:blur(3.5px) saturate(.96);opacity:.5;transform:translateY(6px);
  pointer-events:none;user-select:none;
}
/* onda de reveal desde la card: delay por distancia, brillo al 55% */
.rd-page.is-revealing,.rd-ad.is-revealing{
  animation:rdReveal 560ms cubic-bezier(.22,1,.36,1) both;
  animation-delay:var(--d,0ms);
}
@keyframes rdReveal{
  0%{filter:blur(3.5px) saturate(.96) brightness(1);opacity:.5;transform:translateY(6px)}
  55%{filter:blur(.6px) saturate(1) brightness(1.06)}
  100%{filter:none;opacity:1;transform:none}
}
.rd-page.is-open,.rd-ad.is-open{filter:none;opacity:1;transform:none;
  pointer-events:auto;user-select:auto}
@media (prefers-reduced-motion:reduce){
  .rd-page.is-revealing,.rd-ad.is-revealing{animation:none;filter:none;opacity:1;transform:none}
}

/* ── la card de desbloqueo: flota sticky sobre lo bloqueado ── */
.rd-float{position:absolute;left:0;right:0;display:flex;justify-content:center;
  padding:0 10px;pointer-events:none;z-index:2;
  transition:opacity .2s}
.rd-float[hidden]{display:none}
.rd-float.is-out{opacity:0}
.rd-float>*{pointer-events:auto}
.rd-float.is-gone{animation:rdCardOut .42s cubic-bezier(.4,0,1,1) both}
@keyframes rdCardOut{
  0%{opacity:1;transform:none}
  100%{opacity:0;transform:translateY(-16px) scale(.97)}
}

@media (max-width:640px){
  .rd-view{height:420px}
  .rd-page{width:88%;min-height:280px;padding:16px 18px}
  .rd-ad{width:88%}
  .rd-hero-dl{padding:7px 10px;font-size:0;gap:0}
  .rd-hero-dl svg{width:15px;height:15px}
}

/* ═══════════════════════════════════════════════════════════════
   DEMO 03 — pagar sin perder la página
   Las dos versiones se dibujan sobre el mismo documento difuminado:
   lo que cambia no es el contenido, es a qué te obliga la pantalla.
═══════════════════════════════════════════════════════════════ */
.ck{background:#F8FAFC}
.ck-p{position:relative;min-height:352px;padding:18px;display:flex;flex-direction:column}
.ck-p[hidden]{display:none}
.ck-doc{
  position:absolute;inset:18px;border-radius:var(--radius-10);
  background:
    repeating-linear-gradient(to bottom,
      var(--color-bg-subtle) 0 8px,transparent 8px 22px),
    var(--color-bg-default);
  border:1px solid var(--color-border-default);
}
.ck-borroso{filter:blur(2.5px);opacity:.85;
  transition:filter .6s cubic-bezier(.22,1,.36,1),opacity .6s cubic-bezier(.22,1,.36,1)}
/* pagado: el documento de atrás se aclara — la promesa del rediseño es
   que sigues en la misma página, así que la página es la que vuelve */
.ck-p.is-pagado .ck-borroso{filter:none;opacity:1}
.ck-p.is-pagado .ck-modal{animation:ckModalOut .5s cubic-bezier(.4,0,1,1) both}
@keyframes ckModalOut{
  0%{opacity:1;transform:none}
  100%{opacity:0;transform:translateY(-14px) scale(.97)}
}
/* el aviso de vuelta, sobre el documento ya legible */
.ck-vuelta{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:none;align-items:center;gap:9px;padding:11px 16px;border-radius:999px;
  background:var(--color-bg-default);border:1px solid var(--color-border-default);
  box-shadow:0 12px 32px rgba(15,23,42,.18);
  font-size:11.5px;font-weight:600;color:var(--color-text-primary);white-space:nowrap;
}
.ck-p.is-pagado .ck-vuelta{
  display:inline-flex;
  animation:ckVueltaIn .42s cubic-bezier(.34,1.56,.64,1) both;animation-delay:.36s;
}
.ck-vuelta i{
  flex:0 0 20px;height:20px;border-radius:50%;display:grid;place-items:center;
  background:var(--color-feedback-success);color:var(--color-bg-default);
}
.ck-vuelta i svg{width:12px;height:12px}
@keyframes ckVueltaIn{
  from{opacity:0;transform:translate(-50%,-42%) scale(.94)}
  to{opacity:1;transform:translate(-50%,-50%) scale(1)}
}
/* el CTA mientras cobra: sólido, con su propio spinner */
.ck-cta-sol[disabled]{cursor:default}
.ck-spin{
  display:inline-block;width:12px;height:12px;border-radius:50%;
  border:2px solid rgba(15,23,42,.28);border-top-color:#0F172A;
  vertical-align:-2px;margin-right:7px;animation:ckSpin .7s linear infinite;
}
@keyframes ckSpin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){
  .ck-p.is-pagado .ck-modal,.ck-p.is-pagado .ck-vuelta,.ck-spin{animation:none}
  .ck-borroso{transition:none}
}
.ck-viejo{
  position:relative;margin:auto;width:100%;max-width:470px;
  display:flex;align-items:stretch;gap:0;
  background:var(--color-bg-default);border:1px solid var(--color-border-default);
  border-radius:var(--radius-10);padding:16px;
}
.ck-col{flex:1;display:flex;flex-direction:column;align-items:flex-start;gap:5px;padding:0 14px}
.ck-sep{width:1px;background:var(--color-border-default)}
.ck-h{font-family:var(--font-family-display);font-size:13px;font-weight:700;color:var(--color-text-primary)}
.ck-s{font-size:11px;color:var(--color-text-secondary);margin-bottom:6px}
.ck-modal{
  position:relative;margin:auto;width:100%;max-width:376px;
  background:var(--color-bg-default);border:1px solid var(--color-border-default);
  border-radius:var(--radius-10);box-shadow:0 12px 32px rgba(15,23,42,.16);overflow:hidden;
}
.ck-m-top{
  display:flex;align-items:center;gap:10px;padding:11px 14px;
  border-bottom:1px solid var(--color-border-default);
}
/* el cerrar vive en la esquina derecha, como en el modal real */
.ck-m-top .ck-x{margin-left:auto}
.ck-x{
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  color:var(--color-text-tertiary);background:var(--color-bg-subtle);cursor:pointer;
}
.ck-x svg{display:block;width:13px;height:13px}
.ck-m-body{padding:14px;display:flex;flex-direction:column;gap:11px}
/* checkout · nivel producto: planes con jerarquía, métodos con radio,
   total vivo y CTA sol. Piel del portafolio, estructura del modal real. */
.ck-planes{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.ck-plan{
  position:relative;display:flex;flex-direction:column;gap:3px;text-align:left;
  padding:11px 12px;border-radius:10px;cursor:pointer;font-family:inherit;
  border:1.5px solid var(--color-border-default);background:var(--color-bg-default);
}
.ck-plan:hover{border-color:var(--color-border-strong,#cbd5e1)}
.ck-plan.is-on{border-color:var(--color-brand-primary);box-shadow:inset 0 0 0 1px var(--color-brand-primary)}
.ck-pl-save{
  /* el chip flota sobre el borde de la tarjeta, así que su fondo tiene
     que ser opaco: el token subtle es rgba y en dark deja ver el borde.
     El mix contra la superficie da el mismo tinte, ya aplanado. */
  position:absolute;top:-8px;right:9px;padding:2px 7px;border-radius:999px;
  background:color-mix(in srgb,var(--color-accent-primary) 18%,var(--color-bg-default));
  color:var(--color-accent-text);
  font-family:var(--mono);font-size:8px;
  font-weight:700;letter-spacing:.4px;text-transform:uppercase;
}
.ck-pl-n{font-size:10.5px;font-weight:700;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.4px}
.ck-pl-p{font-family:var(--font-family-display);font-size:17px;font-weight:700;color:var(--color-text-primary)}
.ck-pl-p small{font-size:10px;font-weight:600;color:var(--color-text-tertiary)}
.ck-pl-b{font-size:9.5px;color:var(--color-text-tertiary)}
.ck-pl-b s{opacity:.7}
.ck-pagos{display:flex;flex-direction:column;gap:7px}
.ck-pago{
  display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;
  cursor:pointer;font-family:inherit;text-align:left;
  border:1.5px solid var(--color-border-default);background:var(--color-bg-default);
}
.ck-pago:hover{border-color:var(--color-border-strong,#cbd5e1)}
.ck-pago.is-on{border-color:var(--color-brand-primary);box-shadow:inset 0 0 0 1px var(--color-brand-primary)}
.ck-pago i{
  flex:0 0 26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--color-bg-subtle);color:var(--color-text-secondary);
  border:0;font-style:normal;
}
.ck-pago i svg{display:block;width:13px;height:13px}
.ck-pg-n{flex:1;display:flex;flex-direction:column;font-size:11.5px;font-weight:600;color:var(--color-text-primary)}
.ck-pg-n small{font-size:9.5px;font-weight:400;color:var(--color-text-tertiary)}
.ck-pago b{
  flex:0 0 15px;height:15px;border-radius:50%;
  border:1.5px solid var(--color-border-strong,#cbd5e1);
}
.ck-pago.is-on b{border-color:var(--color-brand-primary);background:var(--color-brand-primary);box-shadow:inset 0 0 0 3px var(--color-bg-default)}
.ck-total{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:9px;border-top:1px solid var(--color-border-default);
  font-size:11.5px;color:var(--color-text-secondary);
}
.ck-total b{font-family:var(--font-family-display);font-size:16px;color:var(--color-text-primary)}
.ck-cta-sol{
  display:block;width:100%;padding:10px;border-radius:999px;cursor:pointer;border:0;
  background:linear-gradient(135deg,#ffb533,#ffa200);color:#0F172A;font-family:inherit;font-size:12px;font-weight:700;
}
.ck-cta-sol:hover{filter:brightness(1.04)}
.ck-nota{font-size:9.5px;color:var(--color-text-tertiary);text-align:center;display:block}
.ck-flag{
  position:relative;margin-top:14px;align-self:center;max-width:520px;text-align:center;
  font-family:var(--mono);font-size:9px;letter-spacing:.6px;text-transform:uppercase;
  line-height:1.6;color:var(--tinta-3);
}

@media (max-width:640px){
  .ck-p{padding:14px;min-height:0}
  .ck-doc{inset:14px}
  .ck-viejo{flex-direction:column;gap:14px;max-width:none}
  .ck-sep{width:auto;height:1px}
  .ck-col{padding:0}
  .ck-planes{grid-template-columns:1fr}
}

/* ═══════════════════════════════════════════════════════════════
   FIG. 01 — el pipeline del diseño
   Diagrama del portafolio, no mock del producto.
═══════════════════════════════════════════════════════════════ */
/* el ciclo: Figma → repo (con staging y submódulo adentro) ⇄ UDS.
   Vertical, con las flechas del loop rotuladas: la historia es que el
   sistema sale del repo y vuelve a él. */
.pipe{padding:calc(var(--u)*5) calc(var(--u)*6);display:flex;flex-direction:column;align-items:stretch}
.pipe-box{
  padding:calc(var(--u)*3) calc(var(--u)*4);border:1px solid var(--borde);border-radius:6px;
  display:flex;flex-direction:column;gap:4px;background:var(--papel);
}
.pipe-box b{font-size:14px;letter-spacing:-.2px}
.pipe-box>span{font-size:12.5px;line-height:1.5;color:var(--tinta-2)}
.pipe-box>span u{text-decoration-color:#facc15;text-underline-offset:2px}
.pipe-was{opacity:.6;align-self:flex-start;max-width:70%}
.pipe-was b{text-decoration:line-through;text-decoration-thickness:1px}
.pipe-repo{border-color:#facc15;box-shadow:inset 0 0 0 1px #facc15}
.pipe-uds{border-style:dashed}
/* conector simple: Figma → repo */
.pipe-link{display:flex;align-items:center;gap:10px;padding:6px 0 6px calc(var(--u)*5)}
.pipe-link i{width:1px;height:26px;background:var(--tinta-3);position:relative}
.pipe-link i::after{
  content:"";position:absolute;left:-3px;bottom:0;
  border-left:3.5px solid transparent;border-right:3.5px solid transparent;
  border-top:5px solid var(--tinta-3);
}
.pipe-link em,.pipe-lk em{
  font-style:normal;font-family:var(--mono);font-size:9.5px;letter-spacing:.5px;
  color:var(--tinta-3);line-height:1.5;
}
/* los dos chips dentro del repo */
.pipe-chips{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:8px}
.pipe-chip{
  display:flex;flex-direction:column;gap:2px;padding:9px 11px;border-radius:5px;
  border:1px solid var(--borde);background:var(--papel-2,transparent);
}
.pipe-chip b{font-family:var(--mono);font-size:11px;letter-spacing:0}
.pipe-chip small{font-size:10.5px;line-height:1.45;color:var(--tinta-3)}
.pipe-chip-ro{border-style:dashed}
/* el loop: bajada (promoción) y subida (submódulo), alineadas a los chips */
.pipe-loop{display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:8px calc(var(--u)*4)}
.pipe-lk{display:flex;align-items:center;gap:10px}
.pipe-lk i{flex:0 0 1px;height:44px;background:var(--tinta-3);position:relative}
.pipe-lk i.baja::after{
  content:"";position:absolute;left:-3px;bottom:0;
  border-left:3.5px solid transparent;border-right:3.5px solid transparent;
  border-top:5px solid var(--tinta-3);
}
.pipe-lk i.sube::after{
  content:"";position:absolute;left:-3px;top:0;
  border-left:3.5px solid transparent;border-right:3.5px solid transparent;
  border-bottom:5px solid var(--tinta-3);
}
@media (max-width:640px){
  .pipe{padding:calc(var(--u)*3)}
  .pipe-was{max-width:100%}
  .pipe-chips{grid-template-columns:1fr}
  .pipe-loop{grid-template-columns:1fr;gap:4px;padding:8px calc(var(--u)*2)}
  .pipe-lk i{height:26px}
}

/* ═══════════════════════════════════════════════════════════════
   DEMO 02 — la app: un shell, tres destinos
═══════════════════════════════════════════════════════════════ */
/* la app, portada del producto: sidebar tinta con Premium, topbar con
   ⌘K, racha y avatar, covers con patrones de la paleta del sitio. */
.ap{
  /* tokens del producto: la piel es la del uds, el tema la maneja el sync */
  --apc-bg:var(--color-bg-default);--apc-tx:var(--color-text-primary);
  --apc-tx2:var(--color-text-secondary);--apc-tx3:var(--color-text-tertiary);
  --apc-line:var(--color-border-default);--apc-soft:var(--color-bg-subtle);
  --apc-page:var(--color-bg-page);
  display:flex;min-height:400px;background:var(--apc-page);color:var(--apc-tx);
}
.ap svg{display:block}
/* sidebar: tinta siempre, como el producto es navy siempre */
.ap-rail{
  flex:0 0 150px;padding:14px 10px;display:flex;flex-direction:column;gap:2px;
  background:linear-gradient(180deg,#0A0532 0%,#060026 100%);color:#fff;
  border-right:1px solid rgba(255,255,255,.08);
}
.ap-mark{
  display:flex;align-items:center;gap:6px;margin:0 6px 12px;
  font-family:var(--font-family-display,inherit);font-size:13px;font-weight:800;
}
.ap-mark b{
  padding:1px 7px;border-radius:999px;
  background:linear-gradient(135deg,#ffb533,#ffa200);color:#0F172A;
  font-size:8px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;
}
.ap-i{
  position:relative;display:flex;align-items:center;gap:9px;
  padding:8px 10px;border-radius:8px;font-size:11.5px;font-weight:500;
  color:rgba(255,255,255,.72);cursor:pointer;border:0;background:none;
  font-family:inherit;text-align:left;
}
.ap-i svg{width:14px;height:14px;flex:0 0 14px}
.ap-i:hover{color:#fff}
.ap-i.is-on{background:rgba(255,255,255,.14);color:#fff;font-weight:600}
.ap-i.is-on::before{
  content:"";position:absolute;left:-10px;top:6px;bottom:6px;width:3px;
  border-radius:0 2px 2px 0;background:#ffa200;
}
.ap-off{cursor:default;opacity:.65}
.ap-foot{
  margin-top:auto;display:flex;align-items:center;gap:9px;padding:8px 10px;
  font-size:11px;color:rgba(255,255,255,.6);
}
.ap-foot svg{width:13px;height:13px}
.ap-foot b{
  margin-left:auto;min-width:16px;height:16px;border-radius:999px;
  background:#ee204d;color:#fff;font-size:9px;font-weight:800;
  display:grid;place-items:center;
}
/* topbar */
.ap-main{flex:1;min-width:0;display:flex;flex-direction:column}
.ap-top{
  display:flex;align-items:center;gap:9px;padding:10px 16px;
  background:var(--apc-bg);border-bottom:1px solid var(--apc-line);
}
.ap-buscar{
  flex:1;display:flex;align-items:center;gap:8px;padding:7px 11px;
  border-radius:9px;background:var(--apc-soft);color:var(--apc-tx3);
  font-size:11px;min-width:0;white-space:nowrap;overflow:hidden;
}
.ap-buscar svg{width:12px;height:12px;flex:0 0 12px}
.ap-buscar kbd{
  margin-left:auto;padding:1px 6px;border-radius:5px;font-family:var(--mono);
  font-size:9px;border:1px solid var(--apc-line);background:var(--apc-bg);color:var(--apc-tx3);
}
.ap-up{
  flex:0 0 28px;height:28px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,#ffb533,#ffa200);color:#0F172A;
}
.ap-up svg{width:14px;height:14px}
.ap-racha{
  display:flex;align-items:center;gap:4px;font-size:12px;font-weight:700;color:var(--apc-tx);
}
.ap-racha svg{width:14px;height:14px;color:#f08000}
.ap-ava{
  flex:0 0 28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:var(--color-brand-primary-subtle);color:var(--color-brand-primary-text-strong);
  font-size:11px;font-weight:800;
}
/* cuerpo */
.ap-body{flex:1;min-width:0;padding:16px 18px;display:flex;flex-direction:column;gap:12px}
.ap-body[hidden]{display:none}
.ap-hero{display:flex;flex-direction:column;gap:9px;align-items:center;text-align:center;margin-top:2px}
.ap-h{
  display:flex;align-items:center;gap:7px;justify-content:center;
  font-family:var(--font-family-display,inherit);font-size:17px;font-weight:800;color:var(--apc-tx);
}
.ap-h-sm{font-size:15px;justify-content:flex-start;text-align:left}
.ap-spark{width:15px;height:15px;color:#913dff}
.ap-search{
  width:min(400px,100%);display:flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:999px;font-size:11px;
  background:var(--apc-bg);border:1px solid var(--apc-line);color:var(--apc-tx3);
  box-shadow:0 3px 10px rgba(20,20,20,.05);
}
.ap-search svg{margin-left:auto;width:12px;height:12px;flex:0 0 12px}
.ap-crear{display:flex;flex-wrap:wrap;gap:7px;justify-content:center}
.ap-cr{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;
  font-size:10.5px;font-weight:600;border:1px solid var(--apc-line);
  background:var(--apc-bg);color:var(--apc-tx2);
}
.ap-cr svg{width:11px;height:11px;color:var(--color-brand-primary)}
.ap-cr-sep{margin-left:6px}
/* repaso de hoy: la card ancha del producto */
.ap-rep{
  display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:11px;
  background:var(--apc-bg);border:1px solid var(--apc-line);
}
.ap-rep-ic{
  flex:0 0 26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--color-brand-primary);color:var(--color-brand-on-primary,#fff);
}
.ap-rep-ic svg{width:13px;height:13px}
.ap-rep-tx{display:flex;flex-direction:column;gap:2px;min-width:0}
.ap-rep-tx b{font-size:11.5px;font-weight:700;color:var(--apc-tx)}
.ap-tags{display:flex;gap:4px}
.ap-tags i{
  font-style:normal;padding:1px 7px;border-radius:999px;font-size:8.5px;font-weight:600;
  background:var(--color-brand-primary-subtle);color:var(--color-brand-primary-text-strong);
}
.ap-rep-st{margin-left:auto;font-size:10px;color:var(--apc-tx3);white-space:nowrap}
.ap-rep-st b{color:var(--apc-tx);font-weight:700}
.ap-rep-bar{flex:0 0 90px;height:5px;border-radius:3px;background:var(--apc-soft);overflow:hidden}
.ap-rep-bar i{display:block;height:100%;background:var(--color-brand-primary)}
.ap-rep-pc{font-size:9.5px;color:var(--apc-tx3);white-space:nowrap}
.ap-chev{width:13px;height:13px;color:var(--apc-tx3);flex:0 0 13px}
.ap-lb{font-size:11px;font-weight:700;color:var(--apc-tx)}
/* covers con la paleta del sitio (los patrones del producto, re-tonados) */
.ap-docs{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.ap-card{display:flex;flex-direction:column;gap:4px;min-width:0}
.cv{
  position:relative;height:56px;border-radius:8px;border:1px solid var(--apc-line);
  overflow:hidden;display:grid;place-items:center;color:#8a6d00;
}
.cv svg{width:16px;height:16px}
.cv em{
  position:absolute;top:5px;left:5px;padding:1px 6px;border-radius:999px;
  background:#740aff;color:#fff;font-size:7px;font-weight:700;font-style:normal;
  font-family:var(--mono);letter-spacing:.3px;text-transform:uppercase;
}
.cv-grid{background:
  repeating-linear-gradient(0deg,rgba(61,220,151,.35) 0 1px,transparent 1px 9px),
  repeating-linear-gradient(90deg,rgba(61,220,151,.35) 0 1px,transparent 1px 9px),#eafbf4}
.cv-rayas{background:repeating-linear-gradient(135deg,rgba(145,61,255,.22) 0 6px,transparent 6px 14px),#f4ecff}
.cv-puntos{background:radial-gradient(rgba(255,60,177,.3) 1.5px,transparent 2px) 0 0/12px 12px,#ffe9f6}
.cv-arena{background:repeating-linear-gradient(45deg,rgba(0,195,255,.16) 0 8px,transparent 8px 16px),#eefaff}
.cv-rombos{background:
  repeating-linear-gradient(45deg,rgba(255,162,0,.22) 0 1.5px,transparent 1.5px 11px),
  repeating-linear-gradient(-45deg,rgba(255,162,0,.22) 0 1.5px,transparent 1.5px 11px),#fff5e4}
.cv-fc{background:linear-gradient(135deg,#e8d6ff,#cba3ff)}
.cv-fc svg{color:#370691}
[data-theme="dark"] .cv{border-color:var(--apc-line);filter:saturate(.9) brightness(.82)}
.ap-card b{font-size:10px;font-weight:600;line-height:1.35;color:var(--apc-tx);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ap-card small{font-size:8.5px;color:var(--apc-tx3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ap-pr{display:block;height:3.5px;border-radius:2px;background:var(--apc-soft);overflow:hidden}
.ap-pr i{display:block;height:100%;background:var(--color-brand-primary)}
/* biblioteca */
.ap-secs{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.ap-sec{
  display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;
  font-size:10px;font-weight:600;border:1px solid var(--apc-line);
  background:var(--apc-bg);color:var(--apc-tx2);
}
.ap-sec svg{width:10px;height:10px}
.ap-sec.is-on{background:var(--color-brand-primary);border-color:var(--color-brand-primary);color:var(--color-brand-on-primary,#fff)}
.ap-fam{width:1px;height:16px;background:var(--apc-line);margin:0 3px}
.ap-tools{display:flex;gap:8px;align-items:center}
.ap-buscar-lib{flex:1}
.ap-orden{
  display:inline-flex;align-items:center;gap:5px;padding:6px 11px;border-radius:9px;
  font-size:10.5px;border:1px solid var(--apc-line);background:var(--apc-bg);color:var(--apc-tx2);
}
.ap-orden svg{width:10px;height:10px}
.ap-docs-lib .cv{height:64px}
.ap-out[hidden],.hr-out[hidden]{display:none}
.ap-out,.hr-out{display:block}
.ap-out .l,.hr-out .l,#dcOut .l{display:block}
@media (max-width:640px){
  .ap{flex-direction:column;min-height:0}
  .ap-rail{flex-basis:auto;flex-direction:row;flex-wrap:wrap;gap:6px;
    border-right:0;border-bottom:1px solid var(--color-border-default)}
  .ap-mark{margin:0 6px 0 0}
  .ap-sep{display:none}
  .ap-cols,.ap-grid{grid-template-columns:1fr}
}

/* ═══════════════════════════════════════════════════════════════
   DEMO 03 — Doc, el modo como turno y el player de lección
   Portación del destino Doc del producto: hub (hero + chips de modo +
   composer), hilo de chat (burbuja de marca del usuario, prosa del bot,
   chips, gencard) y el takeover de "Aprender un tema" (temario que se
   arma a la vista, paso concepto→práctica, cierre con dominio).
   Tokens del producto vía uds-kit; el dark lo maneja el theme sync.
═══════════════════════════════════════════════════════════════ */
.dc{position:relative;height:520px;display:flex;flex-direction:column;
  overflow:hidden;background:var(--color-bg-page,#F8FAFC);
  font-family:var(--font-family-sans)}
.dc-hub,.dc-chat{flex:1;min-height:0;display:flex;flex-direction:column}
.dc[data-v="chat"] .dc-hub,.dc[data-v="player"] .dc-hub{display:none}
.dc-chat[hidden],.lc[hidden]{display:none}

/* ── el hub ── */
.dc-hub{align-items:center;justify-content:center;text-align:center;
  padding:22px 20px;gap:0}
.dc-hero{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  margin-bottom:11px;background:var(--color-brand-primary);color:var(--color-brand-on-primary,#fff);
  box-shadow:0 10px 24px -10px color-mix(in srgb,var(--color-brand-primary) 70%,transparent)}
.dc-hero svg{width:25px;height:25px}
.dc-h{font-family:var(--font-family-display);font-size:19px;font-weight:700;
  line-height:1.25;color:var(--color-text-primary)}
.dc-sub{font-size:11.5px;color:var(--color-text-secondary);margin:5px 0 16px}
.dc-modos{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;
  margin-bottom:13px;max-width:560px}
.dc-modo{display:inline-flex;align-items:center;gap:6px;height:31px;padding:0 12px;
  border-radius:999px;cursor:pointer;font:500 11px/1 var(--font-family-sans);
  border:1px solid var(--color-border-default);background:var(--color-bg-default);
  color:var(--color-text-primary);
  transition:border-color .15s,background .15s,transform .15s}
.dc-modo:hover{border-color:var(--color-brand-primary);
  background:var(--color-brand-primary-subtle,var(--color-blue-100));
  transform:translateY(-1px)}
.dc-modo svg{width:15px;height:15px;flex-shrink:0}

/* ── composer (hub y chat) ── */
.dc-composer{width:100%;max-width:560px;text-align:left;
  background:var(--color-bg-default);border:1px solid var(--color-border-default);
  border-radius:13px;padding:10px 10px 8px;
  box-shadow:0 6px 24px -12px rgba(15,23,42,.14)}
.dc-ph{display:block;font-size:11.5px;color:var(--color-text-tertiary);
  padding:1px 3px 9px}
.dc-cbar{display:flex;align-items:center;gap:6px}
.dc-cico{width:26px;height:26px;display:inline-flex;align-items:center;
  justify-content:center;border:1px solid var(--color-border-default);
  border-radius:999px;background:var(--color-bg-default);
  color:var(--color-text-secondary);cursor:default;padding:0}
.dc-cico svg{width:13px;height:13px}
button.dc-calcbtn{cursor:pointer;transition:background .15s,color .15s,border-color .15s}
button.dc-calcbtn:hover{background:var(--color-bg-subtle);color:var(--color-text-primary)}
.dc-csp{flex:1}
.dc-csend{width:29px;height:29px;flex-shrink:0;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--color-brand-primary);color:var(--color-brand-on-primary,#fff)}
.dc-csend svg{width:14px;height:14px}
.dc-modo-on{display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:999px;font-size:10px;font-weight:600;
  background:var(--color-brand-primary-subtle);color:var(--color-brand-primary-text-strong)}
.dc-modo-on[hidden]{display:none}

/* ── el chat ── */
.dc-msgs{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;
  gap:15px;padding:16px 18px 10px;scroll-behavior:smooth}
.dc-m{max-width:78%;font-size:11.5px;line-height:1.75}
.dc-m.me{align-self:flex-end;font-weight:500;padding:8px 12px;
  border-radius:13px 13px 4px 13px;
  background:var(--color-brand-primary-subtle);color:var(--color-brand-primary-text-strong)}
/* el bot no lleva globo: prosa en gris de lectura, negritas en primary */
.dc-m.bot{align-self:flex-start;max-width:100%;color:var(--color-text-secondary)}
.dc-m.bot strong{color:var(--color-text-primary);font-weight:600}
.dc-m.bot p+p,.dc-m.bot p+ul,.dc-m.bot ul+p{margin-top:9px}
.dc-m.bot ul{margin:0;padding-left:16px;display:flex;flex-direction:column;gap:3px}
/* typing dots — la textura de un modelo pensando */
.dc-typing{display:inline-flex;align-items:center;gap:4px;padding:4px 0}
.dc-typing i{width:6px;height:6px;border-radius:50%;
  background:var(--color-text-secondary);
  animation:dcDot 1.1s ease-in-out infinite}
.dc-typing i:nth-child(2){animation-delay:.15s}
.dc-typing i:nth-child(3){animation-delay:.3s}
@keyframes dcDot{0%,60%,100%{opacity:.35;transform:translateY(0)}
  30%{opacity:1;transform:translateY(-3px)}}
/* palabra a palabra (mensajes de texto plano) y bloques enteros */
.dc-w{display:inline-block;opacity:0;
  animation:dcWordIn .26s cubic-bezier(.2,.8,.2,1) forwards;
  animation-delay:calc(var(--i,0)*20ms)}
@keyframes dcWordIn{from{opacity:0;transform:translateY(.18em)}
  to{opacity:1;transform:none}}
.dc-blk{opacity:0;animation:dcBlkIn .3s cubic-bezier(.2,.8,.2,1) forwards;
  animation-delay:var(--d,0ms)}
@keyframes dcBlkIn{from{opacity:0;transform:translateY(6px)}
  to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .dc-w,.dc-blk{animation:none;opacity:1;transform:none}
  .dc-typing i{animation:none;opacity:.6}
}
/* chips dentro del hilo (temas, opciones, wrap-up) */
.dc-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.dc-chip{display:inline-flex;align-items:center;height:27px;padding:0 11px;
  border-radius:999px;border:1px solid var(--color-border-default);
  background:var(--color-bg-default);cursor:pointer;
  font:500 11px/1 var(--font-family-sans);color:var(--color-text-primary);
  transition:background .15s,border-color .15s,color .15s,transform .12s}
.dc-chip:hover{border-color:var(--color-brand-primary);
  background:var(--color-brand-primary-subtle,var(--color-blue-100));
  color:var(--color-brand-primary);transform:translateY(-1px)}
.dc-chip.is-spent{background:var(--color-bg-muted);border-color:transparent;
  color:var(--color-text-tertiary);cursor:default;pointer-events:none;transform:none}
/* la ecuación dentro de una respuesta: bloque centrado y monoespaciado,
   para que el desarrollo se lea como desarrollo y no como prosa */
.dc-eq{
  display:block;margin:9px 0;padding:9px 12px;border-radius:8px;
  background:var(--color-bg-subtle);border:1px solid var(--color-border-default);
  font-family:var(--mono);font-size:11px;line-height:1.9;
  color:var(--color-text-primary);text-align:center;white-space:pre-line;
}
.dc-eq b{color:var(--color-brand-primary-text-strong);font-weight:700}
/* la enunciada de examen va en display, como pregunta jugable */
.dc-enun{display:block;margin-top:9px;font-family:var(--font-family-display);
  font-size:13px;font-weight:700;line-height:1.45;color:var(--color-text-primary)}
/* gencard — la output card real: toda la card es el botón */
.dc-card{display:flex;align-items:center;gap:10px;width:100%;max-width:440px;
  margin-top:10px;padding:11px 12px;text-align:left;cursor:pointer;
  border:1px solid var(--color-border-default);border-radius:13px;
  background:var(--color-bg-default);font:inherit;transition:background .15s}
.dc-card:hover{background:color-mix(in srgb,var(--color-brand-primary) 5%,var(--color-bg-default))}
.dc-card-ico{flex:0 0 34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--color-brand-primary) 12%,var(--color-bg-default));
  color:var(--color-brand-primary)}
.dc-card-ico svg{width:19px;height:19px}
.dc-card-meta{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.dc-card-t{font-size:11.5px;font-weight:600;color:var(--color-text-primary);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dc-card-s{font-size:10px;color:var(--color-text-secondary)}
.dc-card-cta{flex-shrink:0;display:inline-flex;align-items:center;gap:5px;
  height:30px;padding:0 13px;border-radius:999px;
  background:var(--color-brand-primary);color:var(--color-brand-on-primary,#fff);
  font:600 11px/1 var(--font-family-sans)}
.dc-card-cta svg{width:12px;height:12px}
.dc-card:hover .dc-card-cta{background:var(--color-brand-primary-hover)}
.dc-cfoot{flex:0 0 auto;padding:8px 18px 10px;display:flex;flex-direction:column;
  gap:6px;align-items:center;
  background:linear-gradient(to top,var(--color-bg-page,#F8FAFC) 70%,transparent)}
.dc-cfoot .dc-composer{max-width:none;align-self:stretch}
.dc-disc{font-size:9px;color:var(--color-text-tertiary)}

/* ── el player (takeover dentro de la demo) ── */
.lc{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;
  background:var(--color-bg-page,#F8FAFC);
  /* disco sólido del acierto: par propio, porque los tokens semánticos
     resuelven superficies y aquí hay un glifo encima */
  --lc-ok-disc:var(--color-aquamarine-700);--lc-ok-on:#fff;
  --lc-a100:var(--color-brand-primary-subtle);
  --lc-a200:var(--color-brand-primary-border);
  --lc-a300:var(--color-brand-primary-border-hover);
  --lc-a500:var(--color-brand-primary);
  --lc-a600:var(--color-brand-primary-text-strong);
  --lc-a700:var(--color-brand-primary-text-strong)}
/* apertura en dos capas: telón + topbar baja + contenido sube */
.lc.is-in{animation:lcTelon .22s ease-out both}
.lc.is-in .lc-top{animation:lcTopIn .3s ease-out both;animation-delay:60ms}
.lc.is-in .lc-view{animation:lcViewIn .34s ease-out both;animation-delay:90ms}
@keyframes lcTelon{from{opacity:0}to{opacity:1}}
@keyframes lcTopIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
@keyframes lcViewIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .lc.is-in,.lc.is-in .lc-top,.lc.is-in .lc-view{animation:none}
}
.lc-top{flex:0 0 auto;display:flex;align-items:center;gap:9px;padding:8px 10px;
  background:var(--color-bg-default);border-bottom:1px solid var(--color-border-default)}
.lc-brand{flex:0 0 28px;height:28px;display:inline-flex;align-items:center;
  justify-content:center;border-radius:7px;
  background:var(--lc-a100);color:var(--lc-a600)}
.lc-brand svg{width:16px;height:16px}
.lc-bt{display:flex;flex-direction:column;min-width:0;flex:0 1 auto}
.lc-kick{font-size:8.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--color-text-secondary);line-height:1.2}
.lc-tema{font-size:11px;font-weight:600;font-style:normal;line-height:1.3;
  color:var(--color-text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* barra segmentada: un segmento por paso — llena al demostrar, no al leer */
.lc-steps{flex:1;display:flex;gap:2px;min-width:0}
.lc-steps i{flex:1;height:5px;border-radius:999px;background:var(--color-bg-muted);
  overflow:hidden;display:block}
.lc-steps i b{display:block;height:100%;width:0;border-radius:inherit;
  background:var(--lc-a500);transition:width .3s ease-out}
.lc-steps i.is-full b{width:100%}
.lc-dom{flex:0 0 auto;display:flex;align-items:baseline;gap:3px;padding:3px 8px;
  border-radius:999px;background:var(--lc-a100);color:var(--lc-a700);font-size:9px;font-weight:500}
.lc-dom b{font-family:var(--font-family-display);font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;line-height:1}
.lc-dom.is-bump{animation:lcBump .4s cubic-bezier(.34,1.56,.64,1)}
@keyframes lcBump{0%{transform:scale(1)}40%{transform:scale(1.1)}100%{transform:scale(1)}}
.lc-x{flex:0 0 30px;height:30px;display:inline-flex;align-items:center;
  justify-content:center;border:0;border-radius:7px;background:transparent;
  color:var(--color-text-secondary);cursor:pointer;transition:background .15s,color .15s}
.lc-x:hover{background:var(--color-bg-subtle);color:var(--color-text-primary)}
.lc-x svg{width:16px;height:16px}
.uds-scope[data-uds-theme="dark"] .lc{--lc-ok-disc:var(--color-aquamarine-300);--lc-ok-on:#04231A}
.lc-view{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden}
.lc-col{max-width:520px;margin:0 auto;padding:16px 14px 20px;
  display:flex;flex-direction:column;gap:12px;min-height:100%}

/* temario: la lección se arma a la vista */
.lc-tt{font-family:var(--font-family-display);font-size:18px;font-weight:700;
  line-height:1.2;color:var(--color-text-primary)}
.lc-ts{font-size:10.5px;color:var(--color-text-secondary);margin-top:2px}
.lc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.lc-nivel{font-size:9px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  color:var(--lc-a600);margin-top:6px}
.lc-nivel:first-child{margin-top:0}
.lc-item{background:var(--color-bg-default);border:1px solid var(--color-border-default);
  border-radius:10px;padding:8px 11px}
.lc-eyebrow{display:block;font-size:8.5px;font-weight:600;letter-spacing:.02em;
  color:var(--lc-a600);margin-bottom:2px}
.lc-slot{display:grid}
.lc-slot>*{grid-area:1/1}
.lc-skel{display:flex;align-items:center}
.lc-skel i{display:block;width:62%;height:10px;border-radius:4px;
  background:linear-gradient(90deg,var(--color-bg-muted) 25%,var(--color-bg-subtle) 45%,var(--color-bg-muted) 65%);
  background-size:200% 100%;animation:lcShimmer 1.1s linear infinite}
@keyframes lcShimmer{from{background-position:120% 0}to{background-position:-80% 0}}
.lc-paso{font-size:11px;font-weight:600;line-height:1.4;color:var(--color-text-primary)}
.lc-nivel,.lc-item{opacity:0;transform:translateY(8px);
  transition:opacity .22s ease-out,transform .22s ease-out}
.lc-nivel.is-in,.lc-item.is-in{opacity:1;transform:none}
.lc-paso{opacity:0;transform:translateY(3px);
  transition:opacity .22s ease-out,transform .22s ease-out}
.lc-item.is-loaded .lc-paso{opacity:1;transform:none}
.lc-item.is-loaded .lc-skel{opacity:0;transition:opacity .15s ease-out}
.lc-item.is-loaded .lc-skel i{animation:none}
/* pie anclado: estado de generación + CTA — las filas pasan por detrás */
.lc-pie{position:sticky;bottom:0;margin-top:auto;display:flex;flex-direction:column;
  gap:7px;padding:8px 0 4px;background:var(--color-bg-page,#F8FAFC)}
.lc-pie::before{content:"";position:absolute;left:0;right:0;bottom:100%;height:22px;
  background:linear-gradient(to bottom,transparent,var(--color-bg-page,#F8FAFC));
  pointer-events:none}
.lc-status{display:inline-flex;align-items:center;gap:6px;font-size:10.5px;
  color:var(--color-text-secondary)}
.lc-status.is-listo{color:var(--color-text-primary);font-weight:600}
.lc-status svg{width:13px;height:13px;color:var(--lc-a600)}
.lc-spin{flex:0 0 12px;width:12px;height:12px;border-radius:50%;
  border:2px solid var(--color-border-strong);border-top-color:var(--lc-a500);
  animation:lcSpin .7s linear infinite}
@keyframes lcSpin{to{transform:rotate(360deg)}}
.lc-cta{align-self:stretch;display:inline-flex;align-items:center;justify-content:center;
  gap:6px;min-height:36px;padding:0 16px;border:0;border-radius:999px;cursor:pointer;
  background:var(--lc-a500);color:var(--color-brand-on-primary,#fff);
  font:600 12px/1 var(--font-family-sans);
  transition:background .15s,transform .15s}
.lc-cta:hover:not(:disabled){background:var(--color-brand-primary-hover);transform:translateY(-1px)}
.lc-cta:disabled{background:var(--color-bg-muted);color:var(--color-text-tertiary);cursor:default}
.lc-cta.is-pop{animation:lcPop .3s ease-out}
@keyframes lcPop{0%{transform:scale(.97)}55%{transform:scale(1.015)}100%{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){
  .lc-skel i,.lc-spin{animation:none}
  .lc-nivel,.lc-item,.lc-paso{transition:none;opacity:1;transform:none}
}

/* paso: concepto → práctica en la misma secuencia */
.lc-peye{display:block;font-size:9.5px;font-weight:600;letter-spacing:.02em;color:var(--lc-a600)}
.lc-ph1{font-family:var(--font-family-display);font-size:16px;font-weight:700;
  line-height:1.25;color:var(--color-text-primary);margin-top:2px}
.lc-prosa{font-size:11.5px;line-height:1.7;color:var(--color-text-secondary)}
.lc-prosa>*+*{margin-top:8px}
.lc-prosa strong{font-weight:600;color:var(--color-text-primary)}
.lc-prosa ul{margin:0;padding-left:16px;display:flex;flex-direction:column;gap:3px}
.lc-q{display:flex;flex-direction:column;gap:9px;padding:12px;
  border:1.5px solid var(--lc-a200);border-radius:13px;
  background:var(--color-bg-default);
  animation:lcRise .3s ease-out both}
@keyframes lcRise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.lc-qh{display:flex;align-items:center;gap:6px}
.lc-badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:999px;
  background:var(--color-bg-subtle);color:var(--color-text-secondary);
  font-size:9px;font-weight:600;letter-spacing:.02em}
.lc-val{margin-left:auto;font-size:9.5px;font-weight:600;color:var(--lc-a600);
  font-variant-numeric:tabular-nums}
.lc-enq{font-family:var(--font-family-display);font-size:13px;font-weight:700;
  line-height:1.45;color:var(--color-text-primary)}
.lc-ops{display:flex;flex-direction:column;gap:5px}
.lc-op{display:flex;align-items:center;gap:7px;min-height:38px;padding:7px 11px;
  border:1.5px solid var(--color-border-default);border-radius:10px;cursor:pointer;
  background:var(--color-bg-default);color:var(--color-text-primary);
  font:500 11px/1.5 var(--font-family-sans);text-align:left;
  transition:border-color .15s,background .15s,transform .15s,color .15s}
.lc-op:hover:not(:disabled){border-color:var(--lc-a300);
  background:color-mix(in srgb,var(--lc-a100) 25%,var(--color-bg-default));
  transform:translateY(-1px)}
.lc-op:disabled{cursor:default;transform:none}
.lc-op.is-desc{background:var(--color-bg-muted);border-color:transparent;
  color:var(--color-text-secondary);text-decoration:line-through;
  text-decoration-color:var(--color-text-tertiary)}
.lc-op.is-ok{border-color:var(--color-feedback-success);
  background:var(--color-feedback-success-subtle);
  color:var(--color-feedback-success-text);font-weight:600}
.lc-op-st{flex:0 0 20px;margin-left:auto;width:20px;height:20px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--lc-ok-on);background:var(--lc-ok-disc);
  animation:lcStPop .3s cubic-bezier(.34,1.56,.64,1) both}
@keyframes lcStPop{from{transform:scale(.4);opacity:0}to{transform:none;opacity:1}}
.lc-op-st svg{width:11px;height:11px}
.lc-op.is-shake{animation:lcShake .26s ease-out}
@keyframes lcShake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.lc-fb{display:flex;gap:8px;padding:10px;border-radius:10px;
  border:1px solid var(--color-feedback-success-border);
  background:var(--color-feedback-success-subtle);
  animation:lcRise .3s ease-out both}
.lc-fb-ico{flex:0 0 24px;height:24px;border-radius:50%;display:inline-flex;
  align-items:center;justify-content:center;
  color:var(--lc-ok-on);background:var(--lc-ok-disc)}
.lc-fb-ico svg{width:13px;height:13px}
.lc-fb-b{flex:1;min-width:0;font-size:11px;line-height:1.6;color:var(--color-text-primary)}
.lc-fb-t{display:block;font-size:11.5px;font-weight:600;
  color:var(--color-feedback-success-text);margin-bottom:2px}
.lc-div{display:flex;align-items:center;gap:9px;color:var(--color-text-secondary);
  font-size:8.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.lc-div::before,.lc-div::after{content:"";flex:1;height:1px;background:var(--color-border-default)}

/* cierre: el dominio como único marcador */
.lc-fin{display:flex;flex-direction:column;align-items:center;gap:12px;
  text-align:center;padding-top:10px}
.lc-fin-t{font-family:var(--font-family-display);font-size:17px;font-weight:700;
  line-height:1.25;color:var(--color-text-primary)}
.lc-ring{position:relative;width:112px;height:112px;border-radius:50%;
  display:grid;place-items:center;
  background:conic-gradient(var(--lc-a500) calc(var(--p,0)*1%),var(--color-bg-muted) 0);
  transition:background .6s ease-out}
.lc-ring::after{content:"";position:absolute;inset:9px;border-radius:50%;
  background:var(--color-bg-page,#F8FAFC)}
.lc-ring-in{position:relative;z-index:1;display:flex;flex-direction:column;
  align-items:center;gap:1px}
.lc-ring-v{font-family:var(--font-family-display);font-size:24px;font-weight:700;
  line-height:1;color:var(--color-text-primary);font-variant-numeric:tabular-nums}
.lc-ring-l{font-size:8.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--color-text-secondary)}
.lc-stats{display:flex;gap:7px;flex-wrap:wrap;justify-content:center}
.lc-stat{display:flex;flex-direction:column;gap:2px;min-width:82px;padding:8px 10px;
  border:1px solid var(--color-border-default);border-radius:10px;
  background:var(--color-bg-default)}
.lc-stat b{font-family:var(--font-family-display);font-size:16px;font-weight:700;
  line-height:1;color:var(--color-text-primary)}
.lc-stat span{font-size:9.5px;color:var(--color-text-secondary)}
.lc-debil{width:100%;padding:10px;border-radius:10px;text-align:left;
  font-size:11px;line-height:1.6;color:var(--color-text-primary);
  border:1px solid var(--color-feedback-warning-border);
  background:var(--color-feedback-warning-subtle)}
.lc-accs{width:100%;display:flex;flex-direction:column;gap:5px}
.lc-acc{display:flex;align-items:center;gap:9px;width:100%;padding:9px 12px;
  border:1.5px solid var(--color-border-default);border-radius:10px;cursor:pointer;
  background:var(--color-bg-default);color:var(--color-text-primary);
  font:600 11px/1.4 var(--font-family-sans);text-align:left;
  transition:border-color .15s,background .15s,transform .15s}
.lc-acc:hover{border-color:var(--lc-a300);transform:translateY(-1px)}
.lc-acc svg{width:14px;height:14px;flex-shrink:0;color:var(--lc-a600)}
.lc-acc--pri{background:var(--lc-a500);border-color:var(--lc-a500);color:var(--color-brand-on-primary,#fff)}
.lc-acc--pri svg{color:var(--color-brand-on-primary,#fff)}
.lc-acc--pri:hover{background:var(--color-brand-primary-hover);border-color:var(--color-brand-primary-hover)}

@media (max-width:640px){
  .dc{height:560px}
  .dc-hub{padding:16px 12px}
  .dc-msgs{padding:12px}
  .dc-cfoot{padding:6px 12px 8px}
  .lc-steps{display:none}
  .dc-m{max-width:88%}
}


/* ═══════════════════════════════════════════════════════════════
   DEMO 07 — el dev panel, reconstruido
   Pieza del framework, no del producto: se reconstruye en el
   lenguaje del portafolio (tinta, mono, sol). El panel es oscuro
   constante en ambos temas, como la herramienta real; las reglas
   de acceso reusan los cuadraditos de la matriz de la demo 01 —
   el panel las lee de ahí, y aquí también.
═══════════════════════════════════════════════════════════════ */
.dv{display:flex;align-items:stretch;background:var(--papel);min-height:400px}
.dv-stage{flex:1;min-width:0;position:relative;display:flex;align-items:center;
  justify-content:center;padding:26px 18px 18px;
  background-image:
    linear-gradient(var(--grid-mayor) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-mayor) 1px,transparent 1px);
  background-size:28px 28px}
.dv-vp{position:absolute;top:8px;left:14px;font-size:9px;letter-spacing:.8px;
  color:var(--tinta-3)}
.dv-frame{width:100%;max-width:430px;position:relative;
  transition:max-width .35s cubic-bezier(.2,.7,.3,1)}
.dv-frame[data-vp="tablet"]{max-width:300px}
.dv-frame[data-vp="mobile"]{max-width:200px}
/* el wireframe: cajas del lenguaje del portafolio, no pantallas */
.dv-wire{display:flex;flex-direction:column;gap:7px;padding:10px;
  background:var(--papel-2);border:1.5px solid var(--tinta-3);border-radius:6px;
  min-height:230px}
.dv-wire[hidden]{display:none}
.dv-bar{height:14px;border-radius:3px;background:var(--grid-mayor)}
.dv-bar-oscura{background:var(--tinta-2)}
.dv-cols{flex:1;display:flex;gap:7px}
.dv-rail{flex:0 0 34px;border-radius:3px;background:var(--tinta-2)}
.dv-main{flex:1;display:flex;flex-direction:column;gap:7px}
.dv-blk{display:block;border-radius:3px;background:var(--grid-mayor);min-height:22px}
.dv-hero{height:44px}
.dv-ancha{flex:1}
.dv-row{display:flex;gap:7px}
.dv-row .dv-blk{flex:1;height:34px}
.dv-tools{height:18px}
.dv-hoja{flex:1;display:flex;flex-direction:column;gap:6px;padding:9px;
  border-radius:3px;border:1px solid var(--grid-mayor);position:relative;overflow:hidden}
.dv-hoja span{height:8px;border-radius:2px;background:var(--grid-mayor)}
.dv-hoja span:nth-child(2){width:86%}
.dv-hoja span:nth-child(3){width:92%}
.dv-hoja span:nth-child(4){width:70%}
.dv-velo{position:absolute;left:0;right:0;bottom:0;height:46%;width:auto !important;
  background:linear-gradient(to bottom,transparent,var(--papel-2) 72%) !important;
  border-radius:0 !important}
.dv-carta{flex:1;display:flex;flex-direction:column;gap:8px;align-items:center;
  justify-content:center}
.dv-carta span{display:block;border-radius:4px}
.dv-carta span:first-child{width:56%;height:64px;background:var(--tinta-2)}
.dv-carta span:last-child{width:34%;height:9px;background:var(--grid-mayor)}
/* la user story activa, anotada sobre el wireframe */
.dv-story{display:block;margin-top:8px;font-size:9px;letter-spacing:.6px;
  line-height:1.6;color:var(--tinta-2);text-transform:uppercase}
.dv-story b{color:var(--tinta);font-weight:600}

/* ── el panel: oscuro constante, como la herramienta real ── */
.dv-panel{flex:0 0 232px;display:flex;flex-direction:column;
  background:#141414;color:#f0efec;
  border-left:1px solid var(--grid-mayor);overflow-y:auto}
.dv-head{display:flex;align-items:center;gap:8px;padding:11px 13px;
  border-bottom:1px solid rgba(240,239,236,.09)}
.dv-dot{flex:0 0 6px;height:6px;border-radius:50%;background:#facc15;
  box-shadow:0 0 0 3px rgba(250,204,21,.18)}
.dv-ht{display:flex;flex-direction:column;gap:1px;min-width:0}
.dv-ht b{font-family:var(--mono);font-size:9px;letter-spacing:.8px;font-weight:600}
.dv-ht i{font-style:normal;font-size:9.5px;color:rgba(240,239,236,.55);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dv-sec{padding:10px 13px;border-bottom:1px solid rgba(240,239,236,.07);
  display:flex;flex-direction:column;gap:7px}
.dv-lb{display:flex;align-items:baseline;gap:6px;font-family:var(--mono);
  font-size:8.5px;letter-spacing:.8px;text-transform:uppercase;
  color:rgba(240,239,236,.5)}
.dv-ctx-tag{font-style:normal;font-size:8px;letter-spacing:.4px;
  text-transform:none;color:rgba(250,204,21,.75)}
.dv-chips{display:flex;flex-wrap:wrap;gap:5px}
.dv-chips-col{flex-direction:column;align-items:stretch}
.dv-chips button{
  font-family:var(--mono);font-size:9px;letter-spacing:.4px;text-transform:uppercase;
  padding:5px 9px;border-radius:4px;cursor:pointer;text-align:left;
  background:rgba(240,239,236,.06);border:1px solid rgba(240,239,236,.14);
  color:rgba(240,239,236,.8);
  transition:background .15s,border-color .15s,color .15s;
}
.dv-chips button:hover{border-color:rgba(250,204,21,.6);color:#f0efec}
.dv-chips button.is-on{background:#facc15;border-color:#facc15;color:#141414;font-weight:600}
/* escenas de dos líneas: nombre + user story, como el panel real */
.dv-chips-col button{display:flex;flex-direction:column;gap:2px}
.dv-chips-col button small{font-size:8px;letter-spacing:.2px;text-transform:none;
  color:rgba(240,239,236,.45);font-weight:400}
.dv-chips-col button.is-on small{color:rgba(20,20,20,.65)}
/* reglas: los cuadraditos de la matriz (demo 01), en oscuro */
.dv-reglas{display:flex;flex-direction:column;gap:4px}
.dv-regla{display:flex;align-items:center;gap:7px;font-family:var(--mono);
  font-size:8.5px;letter-spacing:.4px;text-transform:uppercase;
  color:rgba(240,239,236,.75);padding:3px 0}
.dv-regla::before{content:"";flex:0 0 9px;height:9px;border-radius:2px;
  border:1.5px solid rgba(240,239,236,.45);box-sizing:border-box}
.dv-regla[data-e="ok"]::before{background:#facc15;border-color:#facc15}
.dv-regla[data-e="lim"]::before{background:linear-gradient(135deg,#facc15 50%,transparent 50%)}
.dv-regla[data-e="pago"]::before{background:radial-gradient(circle at center,#facc15 0 2px,transparent 2.5px)}
.dv-regla[data-e="pend"]::before{border-style:dashed}
.dv-regla[data-e="pend"]{color:rgba(240,239,236,.45)}
.dv-regla i{font-style:normal;margin-left:auto;color:rgba(240,239,236,.45);
  white-space:nowrap}
.dv-regla[data-e="pend"] i{color:#f08000}

@media (max-width:640px){
  .dv{flex-direction:column}
  .dv-panel{flex:0 0 auto;border-left:0;border-top:1px solid var(--grid-mayor)}
  .dv-stage{padding:24px 12px 14px}
}

/* ═══════════════════════════════════════════════════════════════
   DEMO 04 — las tres herramientas, en su shell inmersivo
   La estructura y los iconos son los del producto (sprite real);
   los colores son del portafolio y siguen el tema del sitio: la luz
   ámbar reemplaza al indigo. Misma composición, otra piel.
═══════════════════════════════════════════════════════════════ */
.hr{
  /* el shell real del producto: indigo profundo con sus dos luces
     (accent-400 y orange-peel). Constante en ambos temas — el módulo
     ES oscuro por diseño, y la galería lo confirma. */
  --hr-a400:#913dff;--hr-a700:#370691;--hr-a800:#250466;--hr-a900:#060026;
  --hrs-tx:#fff;--hrs-tx2:rgba(255,255,255,.75);
  --hrs-line:rgba(255,255,255,.14);--hrs-surf:rgba(255,255,255,.10);
  --hrc-bg:#ffffff;--hrc-tx:#0F172A;--hrc-tx2:#475569;--hrc-tx3:#94A3B8;
  --hrc-line:#E2E8F0;--hrc-soft:#F1F5F9;
  position:relative;min-height:432px;display:flex;flex-direction:column;
  color:var(--hrs-tx);overflow:hidden;
  background:
    radial-gradient(circle at 82% -8%,color-mix(in srgb,var(--hr-a400) 42%,transparent),transparent 56%),
    radial-gradient(circle at 8% 108%,rgba(255,162,0,.14),transparent 50%),
    linear-gradient(158deg,var(--hr-a900) 0,var(--hr-a800) 56%,var(--hr-a700) 100%);
}
/* chrome: composición del producto, piel del sitio */
.hr svg{display:block}
.hr-bar{
  display:flex;align-items:center;gap:11px;height:52px;padding:0 16px;flex:0 0 auto;
  border-bottom:1px solid var(--hrs-line);
}
.hr-ico{
  flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,255,255,.16);color:#fff;
}
.hr-ico svg{width:17px;height:17px}
.hr-brand{display:flex;flex-direction:column;gap:1px;min-width:0}
.hr-mod{font-size:10px;letter-spacing:.4px;font-weight:700;text-transform:uppercase;color:#FFB533}
.hr-doc{font-size:11.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--hrs-tx)}
.hr-tools{margin-left:auto;display:flex;gap:7px}
.hr-tool{
  width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
  background:var(--hrs-surf);color:var(--hrs-tx2);
}
.hr-tool svg{width:15px;height:15px}
/* progreso: la barra pinta en sol */
.hr-prog{display:flex;align-items:center;gap:10px;padding:12px 18px 0}
.hr-track{flex:1;height:5px;border-radius:3px;background:var(--hrs-surf);overflow:hidden}
.hr-track i{display:block;height:100%;border-radius:3px;background:var(--color-orange-peel-500,#ffa200);transition:width .35s cubic-bezier(.2,.7,.3,1)}
.hr-pill{
  display:flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;
  font-size:11px;font-weight:700;
}
.hr-pill svg{width:12px;height:12px}
.hr-pill.no{background:rgba(255,181,51,.18);color:#ffd599}
.hr-pill.si{background:rgba(61,220,151,.18);color:#93ecc5}
.hr-p{flex:1;display:flex;flex-direction:column;padding:16px 18px 18px;gap:12px;min-height:0}
.hr-p[hidden]{display:none}

/* ── la card flotante ── */
.hr-stage{flex:1;display:flex;align-items:center;justify-content:center;min-height:0}
.hr-card{
  width:100%;max-width:430px;background:var(--hrc-bg);border-radius:14px;
  border:1px solid var(--hrc-line);
  box-shadow:0 22px 48px rgba(0,0,0,.45);color:var(--hrc-tx);
  padding:20px;display:flex;flex-direction:column;gap:11px;
}
.hr-face-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.hr-src{
  display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;
  background:#EDE9FE;color:#4E08CF;font-size:10px;font-weight:700;
}
.hr-src svg{width:11px;height:11px}
.hr-src-round{background:var(--hrc-soft);color:var(--hrc-tx2)}
.hr-dots{color:var(--hrc-tx3)}
.hr-dots svg{width:15px;height:15px}
.hr-lb{font-family:var(--mono);font-size:9px;letter-spacing:.8px;color:var(--hrc-tx3)}
.hr-q{font-size:14px;line-height:1.45;font-weight:700;color:var(--hrc-tx)}

/* ── flashcards: flip real ── */
.hr-flip{
  display:block;width:100%;max-width:430px;min-height:210px;perspective:1200px;cursor:pointer;
  background:none;border:0;padding:0;font:inherit;text-align:inherit;color:inherit;
}
.hr-flip-in{
  display:block;position:relative;width:100%;height:210px;
  transition:transform .55s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d;
}
.hr[data-flip="1"] .hr-flip-in{transform:rotateY(180deg)}
.hr-face{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  background:var(--hrc-bg);border:1px solid var(--hrc-line);
  border-radius:14px;box-shadow:0 22px 48px rgba(0,0,0,.45);
  padding:20px;display:flex;flex-direction:column;gap:10px;color:var(--hrc-tx);
}
.hr-face.back{transform:rotateY(180deg);background:var(--hrc-soft)}
.hr-face .ctr{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center}
.hr-face .hr-q{max-width:32ch}
.hr-ans{font-size:12.5px;line-height:1.6;color:var(--hrc-tx2);max-width:36ch}
.hr-tip{font-size:10.5px;color:var(--hrc-tx3);text-align:center}
.hr-tip b{color:var(--hrc-tx);font-weight:600;background:var(--hrc-soft);padding:1px 6px;border-radius:5px}
.hr-face.back .hr-tip b{background:none;padding:0;color:#4E08CF}
.hr-vote{display:flex;gap:9px;justify-content:center;flex:0 0 auto}
.hr-v{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 18px;border-radius:999px;font-size:12px;font-weight:600;cursor:pointer;
  border:1.5px solid rgba(255,255,255,.38);background:rgba(255,255,255,.12);
  color:#fff;font-family:inherit;
}
.hr-v svg{width:13px;height:13px}
.hr-v:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.6)}
.hr-v.si{border-color:rgba(61,220,151,.6)}
.hr-v.si svg{color:#3ddc97}
.hr-ctrl{display:flex;align-items:center;justify-content:center;gap:18px;position:relative}
.hr-nav{display:flex;align-items:center;gap:12px}
.hr-count{font-size:12px;color:var(--hrs-tx2)}
.hr-count b{color:var(--hrs-tx);font-weight:700}
.hr-ib{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,255,255,.12);color:rgba(255,255,255,.88);
}
.hr-ib svg{width:15px;height:15px}
.hr-ib.is-off{opacity:.34}

/* ── flashcards: el final del set ── */
.hr-fin{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center}
.hr-fin[hidden]{display:none}
.hr-fin-t{font-family:var(--sans);font-size:18px;font-weight:700;letter-spacing:-.3px;color:var(--hrs-tx)}
.hr-fin-s{font-size:11.5px;color:var(--hrs-tx2);max-width:34ch}
.hr-fin-stats{display:flex;gap:9px}
.hr-again{
  display:inline-flex;align-items:center;gap:7px;margin-top:4px;
  padding:10px 20px;border-radius:999px;cursor:pointer;border:0;font-family:inherit;
  background:#fff;color:#370691;font-size:12px;font-weight:700;
  box-shadow:0 8px 20px rgba(6,0,38,.35);
}
.hr-again svg{width:13px;height:13px}

/* ── practicar ── */
.hr-ops{display:flex;flex-direction:column;gap:8px}
.hr-op{
  display:flex;align-items:center;gap:9px;padding:11px 13px;border-radius:10px;
  font-size:12px;cursor:pointer;text-align:left;font-family:inherit;
  background:var(--hrc-soft);border:1.5px solid transparent;color:var(--hrc-tx);
}
.hr-op:hover{border-color:#CBA3FF}
.hr-op i{
  flex:0 0 17px;height:17px;border-radius:50%;
  border:1.5px solid var(--hrc-tx3);background:var(--hrc-bg);
  display:grid;place-items:center;font-size:9px;font-weight:700;color:#fff;
  transition:border-color .15s;
}
.hr-op:hover i{border-color:#740AFF}
.hr-op.ok{background:rgba(31,176,115,.14);border-color:#1FB073}
.hr-op.ok i{background:#1FB073;border-color:#1FB073}
.hr-op.mal{background:rgba(238,32,77,.12);border-color:#EE204D}
.hr-op.mal i{background:#EE204D;border-color:#EE204D}
.hr-op[disabled]{cursor:default}
.hr-veredicto{
  display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;
  font-size:11.5px;line-height:1.5;
}
.hr-veredicto.ok{background:rgba(31,176,115,.14);color:#0f5447}
.hr-veredicto.mal{background:rgba(238,32,77,.12);color:#8a1024}
.hr-veredicto b{font-weight:700}
.hr-nivel{
  display:flex;align-items:center;gap:6px;font-size:11px;
  color:var(--hrs-tx2);justify-content:center;text-align:center;
}
.hr-nivel b{color:#FFB533;font-weight:600}

/* ── quizzes: Doc corrige ── */
.hr-resp{
  padding:11px 13px;border-radius:10px;font-size:12px;line-height:1.55;
  background:var(--hrc-soft);color:var(--hrc-tx2);
}
/* el panel de la corrección no existe hasta que Doc arranca: un bloque
   vacío esperando se leía como un hueco del diseño */
.hr-doc-fb{display:none}
.hr-doc-fb.is-on{
  border-radius:10px;padding:12px 13px;display:flex;flex-direction:column;gap:6px;
  background:linear-gradient(135deg,#F5F3FF,#EDE9FE);
  animation:hrFbIn .28s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes hrFbIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.hr-doc-w{display:flex;align-items:center;gap:7px;font-size:10.5px;font-weight:700;color:#4E08CF}
.hr-doc-w i{
  width:19px;height:19px;border-radius:6px;background:#740AFF;color:#fff;
  display:grid;place-items:center;
}
.hr-doc-w i svg{width:12px;height:12px}
.hr-doc-t{font-size:11.5px;line-height:1.6;color:var(--hrc-tx)}
.hr-cursor{display:inline-block;width:6px;height:12px;background:#740AFF;
  vertical-align:-1px;animation:hrBlink .9s steps(2) infinite}
@keyframes hrBlink{50%{opacity:0}}
.hr-run{
  display:inline-flex;align-items:center;gap:7px;align-self:center;
  padding:10px 20px;border-radius:999px;cursor:pointer;border:0;font-family:inherit;
  background:#fff;color:#370691;font-size:12px;font-weight:700;
  box-shadow:0 8px 20px rgba(6,0,38,.35);
}
.hr-run[disabled]{opacity:.75;cursor:default}
.hr-out[hidden]{display:none}
.hr-out{display:block}
@media (max-width:640px){
  .hr{min-height:400px}
  .hr-p{padding:13px}
  .hr-card,.hr-face{padding:15px}
}

/* el readout hereda white-space:pre-wrap de la cáscara: en las demos con
   markup indentado eso inyecta altura fantasma */
#bdemo4 .demo-readout,#bdemo5 .demo-readout,#bdemo6 .demo-readout,#bdemo7 .demo-readout{white-space:normal}

/* ── DEMO 05 · nivel producto: toolbar real y card de desbloqueo ──
   La estructura del reader real (toolbar + card de dos opciones con
   jerarquía) con la piel del portafolio. */
.rd-tools{
  display:flex;align-items:center;gap:9px;padding:8px 14px;
  background:var(--color-bg-default);border-bottom:1px solid var(--color-border-default);
}
/* el CTA de la card es botón de verdad: desbloquea y dispara la onda */
button.rd-u-cta{cursor:pointer;font-family:var(--font-family-sans);appearance:none;
  transition:filter .15s,transform .12s,background .15s}
/* el <button> trae fondo nativo: se limpia salvo en la variante sol,
   que sí pinta su gradiente */
button.rd-u-cta:not(.rd-u-cta-sol){background:transparent}
button.rd-u-cta:not(.rd-u-cta-sol):hover{background:var(--color-bg-subtle)}
button.rd-u-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
button.rd-u-cta:active{transform:none}
.rd-tools svg{display:block;width:13px;height:13px}
.rd-dl{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  background:var(--color-brand-primary,#256EFF);color:#fff;font-size:11px;font-weight:700;
}
.rd-buscar{
  flex:1;display:inline-flex;align-items:center;gap:7px;padding:6px 11px;
  border-radius:999px;border:1px solid var(--color-border-default);
  background:var(--color-bg-subtle);color:var(--color-text-tertiary);font-size:11px;
  min-width:0;white-space:nowrap;overflow:hidden;
}
.rd-tgroup{display:flex;align-items:center;gap:5px}
.rd-tb{
  width:26px;height:26px;border-radius:7px;display:grid;place-items:center;
  color:var(--color-text-secondary);background:var(--color-bg-subtle);
}
.rd-pager{
  display:inline-flex;align-items:center;gap:4px;padding:4px 9px;border-radius:7px;
  border:1px solid var(--color-border-default);font-size:11px;color:var(--color-text-secondary);
}
.rd-pager b{color:var(--color-text-primary);font-weight:700}
.rd-pager i{font-style:normal;color:var(--color-text-tertiary)}
/* la card de desbloqueo real: dos opciones con jerarquía */
.rd-unlock{
  width:min(400px,94%);padding:13px 14px;border-radius:14px;
  background:var(--color-bg-default);border:1px solid var(--color-border-default);
  box-shadow:0 18px 44px rgba(20,20,20,.22);
  display:flex;flex-direction:column;gap:8px;
}
.rd-unlock svg{display:block}
.rd-u-t{font-family:var(--font-family-display);font-size:14.5px;font-weight:700;line-height:1.2;color:var(--color-text-primary)}
.rd-u-s{font-size:10px;line-height:1.45;color:var(--color-text-secondary);margin-top:-4px}
.rd-u-cols{display:grid;grid-template-columns:1.06fr 1fr;gap:8px}
.rd-u-opt{
  position:relative;display:flex;flex-direction:column;gap:5px;
  padding:10px;border-radius:10px;border:1px solid var(--color-border-default);
}
.rd-u-premium{border-color:var(--color-indigo-500,#740aff);box-shadow:inset 0 0 0 1px var(--color-indigo-500,#740aff)}
.rd-u-tag{
  position:absolute;top:-8px;right:10px;padding:2px 8px;border-radius:999px;
  background:var(--color-indigo-500,#740aff);color:#fff;font-size:8.5px;font-weight:700;
  font-family:var(--mono);letter-spacing:.4px;text-transform:uppercase;
}
.rd-u-head{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:700;line-height:1.25;color:var(--color-text-primary);margin-bottom:1px}
.rd-u-head i{
  width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  background:#EDE9FE;color:#4E08CF;
}
.rd-u-head i svg{width:11px;height:11px}
.rd-u-b{display:flex;align-items:flex-start;gap:6px;font-size:9.5px;line-height:1.4;color:var(--color-text-secondary)}
.rd-u-b svg{width:9px;height:9px;margin-top:3px;color:#1FB073;flex:0 0 9px}
.rd-u-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;margin-top:5px;
  padding:7px 11px;border-radius:999px;font-size:10.5px;font-weight:700;
  border:1.5px solid var(--color-border-strong,#cbd5e1);color:var(--color-text-primary);
}
.rd-u-cta svg{width:12px;height:12px;color:#f08000}
.rd-u-cta-sol{background:linear-gradient(135deg,#ffb533,#ffa200);border-color:transparent;color:#0F172A}
.rd-u-foot{font-size:9px;line-height:1.35;color:var(--color-text-tertiary);text-align:center}
@media (max-width:640px){
  .rd-buscar{display:none}
  .rd-u-cols{grid-template-columns:1fr}
}