@font-face{font-family:"Poppins";font-weight:900;font-display:swap;src:url(/fonts/poppins-black.woff) format("woff")}
@font-face{font-family:"Poppins";font-weight:700;font-display:swap;src:url(/fonts/poppins-bold.woff) format("woff")}
@font-face{font-family:"Atkinson";font-weight:700;font-display:swap;src:url(/fonts/atkinson-bold.woff) format("woff")}
@font-face{font-family:"Atkinson";font-weight:400;font-display:swap;src:url(/fonts/atkinson-regular.woff) format("woff")}

:root{
  --teal:#0B6E7A; --teal2:#14A0A0; --teal-osc:#084650; --crema:#FFF7E6; --crema2:#FFE8C8;
  --naranja:#F58220; --amarillo:#FFCD3C; --verde:#2E8A43; --rojo:#C93C41; --azul:#192846;
  --texto:#192846; --texto2:#3C4A63; --tarjeta:#FFFFFF; --borde:#E4D3B4; --celda-fondo:#FFFFFF;
  --esc:1; --letra:.66; --celda:28px;
  --r:14px;
  font-size:calc(18px * var(--esc));
}
html.contraste{
  --crema:#FFFFFF; --crema2:#FFFFFF; --texto:#000; --texto2:#000; --tarjeta:#FFF; --borde:#000;
  --teal:#004F5A; --teal-osc:#00272D; --celda-fondo:#FFF; --verde:#0B5D1E; --naranja:#A34700; --rojo:#9B1B20;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Atkinson",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--texto);
  background:linear-gradient(180deg,var(--crema),var(--crema2)) fixed;line-height:1.4;-webkit-text-size-adjust:100%}
[hidden]{display:none!important}
.saltar{position:absolute;left:-9999px}.saltar:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
button,select,a.btn{font:inherit}
:focus-visible{outline:4px solid var(--amarillo);outline-offset:2px}
html.contraste :focus-visible{outline-color:#000}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.35em;min-height:48px;padding:.45em .9em;border-radius:999px;
  border:2px solid transparent;font-weight:700;cursor:pointer;text-decoration:none;color:inherit;background:none;touch-action:manipulation}
.btn-grande{min-height:58px;font-size:1.1rem;padding:.6em 1.2em;font-family:"Poppins",sans-serif}
.btn-primario{background:var(--naranja);color:#fff;box-shadow:0 3px 0 rgba(0,0,0,.18)}
.btn-pdf{background:var(--teal);color:#fff;box-shadow:0 3px 0 rgba(0,0,0,.18)}
.btn-sec{background:var(--tarjeta);border-color:var(--borde);color:var(--texto)}
html.contraste .btn-sec{border-width:3px}
.btn-sec[aria-pressed="true"]{background:var(--azul);color:#fff;border-color:var(--azul)}
.btn:active{transform:translateY(1px)}

/* Inicio */
.hero{background:linear-gradient(160deg,var(--teal),var(--teal2));color:#fff;padding:22px 18px 30px;display:flex;align-items:center;
  justify-content:center;gap:24px;border-radius:0 0 50% 50% / 0 0 28px 28px}
html.contraste .hero{background:var(--teal-osc)}
.hero h1{font-family:"Poppins",sans-serif;font-weight:900;margin:0;line-height:1.05;font-size:clamp(1.7rem,7.5vw,3.2rem);text-transform:uppercase;
  text-shadow:0 3px 0 var(--teal-osc)}
.hero .t1,.hero .t2{display:block}.hero .t2{color:var(--amarillo)}
.hero .sub{margin:.5em 0 0;font-family:"Poppins",sans-serif;font-weight:700;font-size:1.05rem}
.hero .autor{margin:.6em 0 0;display:inline-block;background:var(--azul);padding:.25em .8em;border-radius:999px;font-weight:700;font-size:.95rem}
.hero-portada{display:none;width:200px;height:auto;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.3)}
@media (min-width:700px){.hero{padding:34px 28px 44px}.hero-portada{display:block}.hero-texto{max-width:520px}}
.contenedor{max-width:980px;margin:0 auto;padding:18px 14px 30px}
.acciones-inicio{display:grid;gap:12px}
@media (min-width:640px){.acciones-inicio{grid-template-columns:1fr 1fr}}
.nota-pdf{background:var(--tarjeta);border:2px solid var(--borde);border-radius:var(--r);padding:.8em 1em;margin:14px 0}
.como-jugar{background:var(--tarjeta);border:2px solid var(--borde);border-radius:var(--r);padding:.6em 1em;margin-bottom:16px}
.como-jugar summary{font-weight:700;cursor:pointer;min-height:40px;display:flex;align-items:center}
.como-jugar li{margin:.35em 0}
.filtros{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:8px 0}
.niveles{display:flex;flex-wrap:wrap;gap:8px}
.chip-nivel{min-height:48px;padding:.3em 1em;border-radius:999px;border:3px solid var(--borde);background:var(--tarjeta);font-weight:700;cursor:pointer;color:var(--texto);font-family:"Poppins",sans-serif}
.chip-nivel.n0{border-color:var(--verde)}.chip-nivel.n1{border-color:var(--naranja)}.chip-nivel.n2{border-color:var(--rojo)}
.chip-nivel.activo{background:var(--azul);border-color:var(--azul);color:#fff}
.chip-nivel.n0.activo{background:var(--verde);border-color:var(--verde)}.chip-nivel.n1.activo{background:var(--naranja);border-color:var(--naranja)}.chip-nivel.n2.activo{background:var(--rojo);border-color:var(--rojo)}
.tema-sel{display:flex;flex-direction:column;font-weight:700;gap:4px;flex:1 1 240px}
.tema-sel select{min-height:48px;border-radius:12px;border:2px solid var(--borde);background:var(--tarjeta);color:var(--texto);padding:0 .6em;font-size:1rem}
.resumen{font-weight:700;margin:10px 0}
.lista{list-style:none;padding:0;margin:0;display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(min(100%,270px),1fr))}
.tarjeta{width:100%;display:flex;align-items:center;gap:12px;text-align:left;background:var(--tarjeta);border:2px solid var(--borde);border-radius:var(--r);
  padding:10px 12px;min-height:64px;cursor:pointer;color:var(--texto)}
.tarjeta .num{flex:0 0 auto;width:2.4em;height:2.4em;border-radius:50%;display:grid;place-items:center;color:#fff;font-family:"Poppins",sans-serif;font-weight:900;font-size:.95rem}
.tarjeta .num.n0{background:var(--verde)}.tarjeta .num.n1{background:var(--naranja)}.tarjeta .num.n2{background:var(--rojo)}
.tarjeta .info{flex:1;min-width:0}.tarjeta .tema{font-weight:700;display:block}
.tarjeta .det{color:var(--texto2);font-size:.85rem}
.tarjeta .marca{flex:0 0 auto;font-size:1.4rem;font-weight:900;color:var(--verde)}
.tarjeta.hecha{border-color:var(--verde);background:linear-gradient(90deg,rgba(46,138,67,.10),var(--tarjeta))}
.ajustes-inicio{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.pie{margin-top:24px;color:var(--texto2);font-size:.85rem;text-align:center}

/* Juego */
#vista-juego{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
.barra{display:flex;align-items:center;gap:10px;padding:8px 10px;padding-top:max(8px,env(safe-area-inset-top));background:var(--teal);color:#fff}
html.contraste .barra{background:var(--teal-osc)}
.barra .btn-icono{color:#fff;border-color:rgba(255,255,255,.6);min-height:44px;padding:.2em .8em;flex:0 0 auto}
.barra-titulo{flex:1;min-width:0}
.j-titulo{font-family:"Poppins",sans-serif;font-weight:900;font-size:1.05rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.j-sub{font-size:.85rem;opacity:.95;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.j-cuenta{flex:0 0 auto;background:var(--amarillo);color:var(--azul);font-weight:900;font-family:"Poppins",sans-serif;border-radius:999px;padding:.2em .7em}
.juego{flex:1;display:flex;flex-direction:column;gap:10px;padding:10px;min-height:0}
.zona-tablero{display:flex;justify-content:center;align-items:flex-start}
.tablero{position:relative;display:grid;grid-template-columns:repeat(var(--n),var(--celda));grid-auto-rows:var(--celda);
  background:var(--celda-fondo);border:3px solid var(--azul);border-radius:12px;box-shadow:0 4px 0 rgba(0,0,0,.15);
  touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;cursor:pointer;overflow:hidden}
.celda{display:grid;place-items:center;font-family:"Atkinson",sans-serif;font-weight:700;font-size:calc(var(--celda) * var(--letra));
  color:var(--azul);line-height:1;position:relative;z-index:2;pointer-events:none}
html.contraste .celda{color:#000}
.celda.pista::after{content:"";position:absolute;inset:6%;border:3px dashed var(--rojo);border-radius:50%;animation:latir 1s ease-in-out infinite}
@keyframes latir{50%{transform:scale(.85)}}
.capa{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.capa line{stroke-linecap:round}
.capa .sel{stroke:var(--amarillo);opacity:.75}
html.contraste .capa .sel{stroke:#000;opacity:.35}
.capa .hallada{opacity:.55}
html.contraste .capa .hallada{opacity:.4}
.capa .solucion{opacity:.35}
.panel{display:flex;flex-direction:column;gap:10px;min-width:0}
.herramientas{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.herramientas .btn{min-height:46px;padding:.3em .8em}
.palabras{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.palabras li{background:var(--tarjeta);border:2px solid var(--borde);border-radius:999px;padding:.25em .75em;font-weight:700;font-size:1.05rem;letter-spacing:.02em}
.palabras li.hallada{text-decoration:line-through;text-decoration-thickness:3px;color:var(--texto2);border-color:var(--verde);background:rgba(46,138,67,.12)}
.palabras li.hallada::before{content:"✓ ";color:var(--verde)}
.palabras li.vista{border-style:dashed}
.navegar{display:flex;gap:8px;justify-content:center}
@media (orientation:landscape) and (min-width:600px){
  .juego{flex-direction:row;align-items:flex-start}
  .zona-tablero{flex:0 0 auto}
  .panel{flex:1;max-height:calc(100dvh - 80px);overflow:auto}
  .palabras{justify-content:flex-start}.herramientas,.navegar{justify-content:flex-start}
}

/* Aviso y modal */
.aviso{position:fixed;left:50%;bottom:max(18px,env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--azul);color:#fff;
  padding:.6em 1.1em;border-radius:999px;font-weight:700;z-index:20;box-shadow:0 6px 20px rgba(0,0,0,.25);max-width:92vw;text-align:center}
.modal{position:fixed;inset:0;background:rgba(10,30,40,.45);display:grid;place-items:center;z-index:30;padding:16px;animation:aparecer .35s ease}
.modal-caja{background:var(--tarjeta);border:3px solid var(--teal);border-radius:20px;padding:22px;max-width:420px;width:100%;text-align:center}
.modal-caja h2{font-family:"Poppins",sans-serif;font-weight:900;margin:.2em 0;color:var(--teal)}
.modal-emoji{font-size:2.6rem}
.modal-botones{display:grid;gap:10px;margin-top:14px}
@keyframes aparecer{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media (orientation:landscape) and (min-width:600px){.aviso{left:auto;right:16px;transform:none}}
.aviso{width:max-content}
.btn:disabled{opacity:.4;cursor:default}
.j-sub{font-weight:700}

/* Demostración gratuita */
.badge{display:inline-block;background:var(--amarillo);color:var(--azul);font-weight:800;font-family:"Poppins",sans-serif;
  font-size:.8rem;letter-spacing:.04em;text-transform:uppercase;padding:.2em .7em;border-radius:999px;margin:0 0 .6em}
.intro{font-size:1.05rem;margin:0 0 16px}
.seccion-titulo{font-family:"Poppins",sans-serif;font-weight:900;font-size:1.25rem;margin:1.4em 0 .3em;color:var(--teal)}
.cta-caja{background:var(--tarjeta);border:3px solid var(--teal);border-radius:20px;padding:18px 16px;margin:28px 0 8px}
.cta-caja h2{font-family:"Poppins",sans-serif;font-weight:900;margin:.2em 0 .4em;color:var(--teal)}
.cta-caja .acciones-inicio{margin-top:12px}
.cta-modal{display:grid;gap:10px;margin:12px 0 4px;text-align:center}
.cta-modal p{margin:0 0 4px;font-weight:700}
.modal-caja{max-width:460px}
.modal-caja a.btn{width:100%}
.hero .badge{margin-bottom:.7em}

#listas-niveles .seccion-titulo{margin-top:1.6em}
#listas-niveles .seccion-titulo:first-child{margin-top:1.2em}
.resumen-total{margin-top:1.2em;font-weight:800}

/* Bloqueos y sopa gratis */
.tarjeta.gratis{border-color:var(--verde);border-width:3px;background:linear-gradient(90deg,rgba(46,138,67,.12),var(--tarjeta))}
.tarjeta.gratis .num{background:var(--verde)}
.etiqueta-gratis{display:inline-block;background:var(--verde);color:#fff;font-weight:800;font-family:"Poppins",sans-serif;
  font-size:.8rem;padding:.15em .6em;border-radius:999px;margin-top:.25em}
.tarjeta.bloqueada{cursor:pointer;opacity:.95}
.tarjeta.bloqueada .num{background:var(--texto2)}
.candado-lista{font-size:1.3rem;flex:0 0 auto}
.lista-niveles{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:10px}
.bloqueada-caja{max-width:520px;margin:0 auto;padding:28px 16px 40px;text-align:center}
.bloqueada-caja .candado{font-size:3rem;margin:0 0 .2em}
.bloqueada-caja h2{font-family:"Poppins",sans-serif;font-weight:900;margin:.2em 0;color:var(--teal)}
.bloqueada-caja .bloq-tema{font-weight:700;margin:.2em 0}
.bloqueada-caja .bloq-nota{font-weight:800;color:var(--naranja);margin:.4em 0 1em}
.bloqueada-caja .acciones-inicio{margin-top:16px}
#vista-bloqueada{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
#vista-bloqueada[hidden]{display:none!important}