/* ladocencIA — Sala de juegos. Pensada para proyector: tipografía grande, alto contraste, objetivos táctiles amplios. */
.lj {
  --lj-fondo: #f7f6ff;
  --lj-superficie: #ffffff;
  --lj-tinta: #29263d;
  --lj-suave: #68657d;
  --lj-borde: rgba(61,55,168,.16);
  --lj-indigo: #3d37a8;
  --lj-coral: #d9604c;
  --lj-oro: #e39a1f;
  --lj-verde: #2a8a64;
  --lj-rojo: #d23c3c;
  --lj-azul: #2566d4;
  --lj-amarillo: #eab208;
  --lj-bien: #2a8a64;
  --lj-mal: #d23c3c;
  --lj-foco: 0 0 0 4px rgba(81,73,198,.3);
  --lj-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --lj-texto: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-family: var(--lj-texto);
  color: var(--lj-tinta);
  background: var(--lj-fondo);
  border-radius: 20px;
  min-height: 520px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .lj {
    --lj-fondo: #16142a; --lj-superficie: #221f3d; --lj-tinta: #f1f0ff; --lj-suave: #b4b1cf;
    --lj-borde: rgba(200,196,255,.16); --lj-indigo: #8f88ff; --lj-coral: #ff8a74; --lj-oro: #ffc04d; --lj-verde: #4cc08f;
    --lj-rojo: #ff6b6b; --lj-azul: #64a0ff; --lj-amarillo: #ffd43b; --lj-bien: #4cc08f; --lj-mal: #ff6b6b;
  }
}
:root[data-theme="dark"] .lj {
  --lj-fondo: #16142a; --lj-superficie: #221f3d; --lj-tinta: #f1f0ff; --lj-suave: #b4b1cf;
  --lj-borde: rgba(200,196,255,.16); --lj-indigo: #8f88ff; --lj-coral: #ff8a74; --lj-oro: #ffc04d; --lj-verde: #4cc08f;
  --lj-rojo: #ff6b6b; --lj-azul: #64a0ff; --lj-amarillo: #ffd43b; --lj-bien: #4cc08f; --lj-mal: #ff6b6b;
}
.lj:fullscreen { border-radius: 0; min-height: 100vh; font-size: 1.15rem; }
.lj [hidden] { display: none !important; }
:where(.lj) :where(button) { font-family: inherit; font-size: inherit; line-height: inherit; }
.lj button:focus-visible, .lj input:focus-visible { outline: none; box-shadow: var(--lj-foco); }

.lj-barra { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .75rem 1rem 0; }
.lj-barra-der { display: flex; gap: .4rem; margin-left: auto; }
.lj-icono, .lj-volver {
  border: 1px solid var(--lj-borde); background: var(--lj-superficie); color: var(--lj-tinta);
  border-radius: 999px; padding: .4rem .85rem; font-size: .85rem; cursor: pointer;
}
.lj-volver { font-weight: 600; }
.lj-escenario { flex: 1; padding: 1rem clamp(1rem, 3vw, 2.25rem) 1.75rem; overflow: auto; display: flex; flex-direction: column; gap: 1.1rem; }

/* Menú */
.lj-cabecera { padding-top: .25rem; }
.lj-titulo { font-family: var(--lj-display); font-weight: 600; font-size: clamp(1.8rem, 3.6vw, 2.6rem); line-height: 1.1; margin: 0; letter-spacing: -.01em; }
.lj-titulo--chico { font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
.lj-subtitulo { margin: .4rem 0 0; color: var(--lj-suave); font-size: 1rem; max-width: 60ch; line-height: 1.5; }
.lj-grupo h3 { margin: .25rem 0 .7rem; font-size: 1rem; font-weight: 600; color: var(--lj-suave); }
.lj-rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: .8rem; }
.lj-tarjeta {
  position: relative; display: grid; gap: .45rem; align-content: start; text-align: left;
  padding: 1.1rem 1.1rem 1rem 1.35rem; min-height: 150px;
  background: var(--lj-superficie); color: var(--lj-tinta); border: 1px solid var(--lj-borde); border-radius: 16px; cursor: pointer;
  transition: transform .15s ease, border-color .15s ease;
}
.lj-tarjeta::before { content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 5px; border-radius: 0 4px 4px 0; background: var(--lj-indigo); }
.lj-tarjeta--memorama::before { background: var(--lj-coral); }
.lj-tarjeta--clasifica::before { background: var(--lj-oro); }
.lj-tarjeta--secuencia::before, .lj-tarjeta--stroop::before, .lj-tarjeta--calculo::before { background: var(--lj-verde); }
.lj-tarjeta:hover:not(:disabled) { transform: translateY(-2px); border-color: var(--lj-indigo); }
.lj-tarjeta:disabled { opacity: .55; cursor: not-allowed; }
.lj-tarjeta-nombre { font-family: var(--lj-display); font-size: 1.3rem; font-weight: 600; }
.lj-tarjeta-desc { color: var(--lj-suave); font-size: .92rem; line-height: 1.45; }
.lj-tarjeta-meta { margin-top: auto; font-size: .8rem; color: var(--lj-suave); }

/* Botones y controles */
.lj-btn { border: 0; border-radius: 12px; padding: .75rem 1.25rem; font-weight: 600; background: var(--lj-indigo); color: #fff !important; cursor: pointer; }
.lj-btn:hover { filter: brightness(1.08); }
.lj-btn--sec { background: transparent; color: var(--lj-indigo) !important; border: 1.5px solid var(--lj-borde); }
.lj-btn--grande { font-size: 1.15rem; padding: .95rem 2rem; justify-self: start; }
.lj-acciones { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center; margin-top: .5rem; }
.lj-config { display: grid; gap: 1rem; max-width: 640px; }
.lj-segmentado { display: inline-flex; gap: .25rem; padding: .25rem; border-radius: 999px; background: var(--lj-superficie); border: 1px solid var(--lj-borde); justify-self: start; }
.lj-segmentado button { border: 0; background: transparent; color: var(--lj-tinta); border-radius: 999px; padding: .5rem 1rem; cursor: pointer; }
.lj-segmentado button[aria-checked="true"] { background: var(--lj-indigo); color: #fff; }
.lj-equipos-config { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: .5rem; }
.lj-input { font: inherit; padding: .65rem .8rem; border-radius: 10px; border: 2px solid var(--lj-borde); background: var(--lj-superficie); color: var(--lj-tinta); }

/* Colores de equipo y tableros */
.lj-fondo-indigo { background: var(--lj-indigo) !important; color: #fff; }
.lj-fondo-coral { background: var(--lj-coral) !important; color: #fff; }
.lj-fondo-oro { background: var(--lj-oro) !important; color: #2b1d00; }
.lj-fondo-verde { background: var(--lj-verde) !important; color: #fff; }
.lj-fondo-rojo { background: var(--lj-rojo) !important; color: #fff; }
.lj-fondo-azul { background: var(--lj-azul) !important; color: #fff; }
.lj-fondo-amarillo { background: var(--lj-amarillo) !important; color: #2b1d00; }
.lj-texto-indigo { color: var(--lj-indigo); } .lj-texto-coral { color: var(--lj-coral); } .lj-texto-oro { color: var(--lj-oro); } .lj-texto-verde { color: var(--lj-verde); }
.lj-borde-indigo { border-color: var(--lj-indigo); } .lj-borde-coral { border-color: var(--lj-coral); } .lj-borde-oro { border-color: var(--lj-oro); } .lj-borde-verde { border-color: var(--lj-verde); }

/* Maratón */
.lj-marcador { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .5rem; }
.lj-equipo { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; padding: .7rem 1rem; border-radius: 14px; opacity: .72; transition: opacity .2s, transform .2s; }
.lj-equipo--turno { opacity: 1; transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0,0,0,.15); }
.lj-equipo-nombre { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lj-equipo-puntos { font-family: var(--lj-display); font-size: 1.7rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.lj-pregunta-zona { display: grid; gap: .9rem; }
.lj-pregunta-cabeza { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.lj-turno { font-weight: 700; font-size: 1.05rem; }
.lj-contador { color: var(--lj-suave); }
.lj-tiempo-cifra { margin-left: auto; font-family: var(--lj-display); font-size: 1.9rem; font-weight: 600; font-variant-numeric: tabular-nums; min-width: 2.5ch; text-align: right; }
.lj-tiempo { height: 8px; border-radius: 99px; background: var(--lj-borde); overflow: hidden; }
.lj-tiempo-lleno { height: 100%; background: var(--lj-indigo); transform-origin: left; transform: scaleX(1); transition: transform linear; }
.lj-pregunta { font-family: var(--lj-display); font-size: clamp(1.5rem, 3.2vw, 2.4rem); line-height: 1.25; margin: .25rem 0; max-width: 34ch; }
.lj-opciones { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; }
.lj-opciones--tres { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lj-opcion {
  display: flex; align-items: center; gap: .8rem; text-align: left;
  padding: 1rem 1.1rem; min-height: 64px; font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  background: var(--lj-superficie); color: var(--lj-tinta); border: 2px solid var(--lj-borde); border-radius: 14px; cursor: pointer;
  transition: border-color .12s, transform .12s;
}
.lj-opcion:hover:not(:disabled) { border-color: var(--lj-indigo); }
.lj-opcion:active:not(:disabled) { transform: scale(.98); }
.lj-opcion-letra { flex: none; display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: 10px; background: var(--lj-fondo); font-weight: 700; }
.lj-opcion--num { justify-content: center; font-family: var(--lj-display); font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 600; }
.lj-opcion--bien { border-color: var(--lj-bien) !important; background: color-mix(in srgb, var(--lj-bien) 14%, var(--lj-superficie)); }
.lj-opcion--mal { border-color: var(--lj-mal) !important; background: color-mix(in srgb, var(--lj-mal) 12%, var(--lj-superficie)); }
.lj-opcion:disabled { cursor: default; }
.lj-feedback { min-height: 1.5em; margin: 0; font-size: 1.05rem; line-height: 1.5; display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .75rem; }
.lj-feedback .lj-siguiente { margin-left: auto; }
.lj-podio { list-style: none; padding: 0; margin: .5rem auto; display: grid; gap: .5rem; width: min(460px, 100%); }
.lj-podio li { display: flex; justify-content: space-between; padding: .8rem 1.1rem; border-radius: 14px; font-size: 1.15rem; }
.lj-podio li:first-child { font-size: 1.4rem; padding: 1rem 1.2rem; }

/* Pantallas comunes */
.lj-cabeza-juego { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.lj-estado { margin: 0; color: var(--lj-suave); font-variant-numeric: tabular-nums; }
.lj-estado--grande { font-size: 1.1rem; color: var(--lj-tinta); font-weight: 600; }
.lj-ayuda { color: var(--lj-suave); font-size: .9rem; margin: 0; text-align: center; }
.lj-final { display: grid; gap: .75rem; justify-items: center; text-align: center; padding: 2rem 0; margin: auto; }
.lj-final-linea { margin: 0; font-size: 1.1rem; color: var(--lj-suave); max-width: 48ch; }
.lj-repaso { text-align: left; background: var(--lj-superficie); border: 1px solid var(--lj-borde); border-radius: 14px; padding: .75rem 1.1rem; }
.lj-repaso p { margin: 0 0 .3rem; font-weight: 600; }
.lj-repaso ul { margin: 0; padding-left: 1.2rem; line-height: 1.6; }

/* Memorama */
.lj-memorama { display: grid; gap: .6rem; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.lj-memorama--grande .lj-carta { aspect-ratio: 16 / 9; }
.lj-carta { position: relative; aspect-ratio: 4 / 3; min-height: 90px; border: 0; border-radius: 14px; cursor: pointer; perspective: 800px; background: transparent; padding: 0; }
.lj-carta-dorso, .lj-carta-cara {
  position: absolute; inset: 0; display: grid; place-items: center; padding: .6rem; border-radius: 14px;
  backface-visibility: hidden; transition: transform .35s ease; text-align: center; line-height: 1.25;
}
.lj-carta-dorso {
  background:
    radial-gradient(circle at 30% 25%, rgba(255,255,255,.18), transparent 40%),
    repeating-linear-gradient(45deg, var(--lj-indigo) 0 10px, color-mix(in srgb, var(--lj-indigo) 85%, #000) 10px 20px);
  color: #fff; font-family: var(--lj-display); font-size: 2rem; font-weight: 600;
}
.lj-carta-cara { background: var(--lj-superficie); color: var(--lj-tinta); border: 2px solid var(--lj-borde); transform: rotateY(180deg); font-size: clamp(1rem, 2.2vw, 1.7rem); font-weight: 600; }
.lj-carta--b .lj-carta-cara { font-family: var(--lj-display); font-weight: 500; }
.lj-carta--abierta .lj-carta-dorso { transform: rotateY(180deg); }
.lj-carta--abierta .lj-carta-cara { transform: rotateY(0); }
.lj-carta--pareja .lj-carta-cara { border-color: var(--lj-bien); background: color-mix(in srgb, var(--lj-bien) 12%, var(--lj-superficie)); }
.lj-carta:disabled { cursor: default; }

/* Clasificar */
.lj-progreso { height: 6px; background: var(--lj-borde); border-radius: 99px; overflow: hidden; }
.lj-progreso > div { height: 100%; background: var(--lj-oro); transition: width .3s ease; }
.lj-ficha {
  align-self: center; margin: .5rem auto; padding: 1.4rem 2rem; min-width: min(420px, 100%); text-align: center;
  font-family: var(--lj-display); font-size: clamp(1.6rem, 3.4vw, 2.5rem); font-weight: 600; line-height: 1.2;
  background: var(--lj-superficie); border: 2px solid var(--lj-borde); border-radius: 18px;
  box-shadow: 0 14px 30px rgba(41,38,61,.1); transform: rotate(-1.2deg);
}
.lj-ficha--bien { border-color: var(--lj-bien); animation: lj-sube .5s ease forwards; }
.lj-ficha--mal { border-color: var(--lj-mal); animation: lj-sacude .4s ease; }
.lj-categorias { display: grid; gap: .7rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.lj-categorias--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.lj-categoria {
  display: flex; align-items: center; justify-content: center; gap: .6rem; min-height: 96px; padding: 1rem;
  font-size: clamp(1.1rem, 2vw, 1.45rem); font-weight: 700; border-radius: 16px; cursor: pointer;
  border: 3px dashed var(--lj-borde); background: var(--lj-superficie); color: var(--lj-tinta);
}
.lj-categoria--0 { border-color: color-mix(in srgb, var(--lj-indigo) 55%, transparent); }
.lj-categoria--1 { border-color: color-mix(in srgb, var(--lj-coral) 55%, transparent); }
.lj-categoria--2 { border-color: color-mix(in srgb, var(--lj-oro) 60%, transparent); }
.lj-categoria--bien { border-style: solid; border-color: var(--lj-bien); background: color-mix(in srgb, var(--lj-bien) 12%, var(--lj-superficie)); }
.lj-categoria--mal { border-style: solid; border-color: var(--lj-mal); }
.lj-tecla { display: inline-grid; place-items: center; width: 1.7rem; height: 1.7rem; border-radius: 7px; font-size: .8rem; font-weight: 700; background: var(--lj-fondo); color: var(--lj-suave); }

/* Secuencia */
.lj-simon { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(.6rem, 1.5vw, 1rem); width: min(440px, 100%); margin: .5rem auto; aspect-ratio: 1; }
.lj-pad { border: 0; border-radius: 26px; cursor: pointer; opacity: .42; transition: opacity .12s, transform .12s, filter .12s; }
.lj-pad:nth-child(1) { border-top-left-radius: 80px; } .lj-pad:nth-child(2) { border-top-right-radius: 80px; }
.lj-pad:nth-child(3) { border-bottom-left-radius: 80px; } .lj-pad:nth-child(4) { border-bottom-right-radius: 80px; }
.lj-pad:disabled { cursor: default; }
.lj-pad--encendido { opacity: 1; transform: scale(1.03); filter: brightness(1.15) saturate(1.2); }
.lj-pad:not(:disabled):hover { opacity: .65; }

/* Colores tramposos */
.lj-ejemplo { display: flex; align-items: center; gap: 1rem; padding: .8rem 1rem; border-radius: 14px; background: var(--lj-superficie); border: 1px solid var(--lj-borde); justify-self: start; }
.lj-ejemplo .lj-palabra { font-size: 2rem; }
.lj-stroop { display: grid; place-items: center; min-height: 170px; background: var(--lj-superficie); border: 1px solid var(--lj-borde); border-radius: 20px; }
.lj-palabra { font-family: var(--lj-texto); font-weight: 800; letter-spacing: .02em; font-size: clamp(3rem, 9vw, 6rem); line-height: 1; }
.lj-tinta-rojo { color: var(--lj-rojo); } .lj-tinta-azul { color: var(--lj-azul); } .lj-tinta-verde { color: var(--lj-verde); } .lj-tinta-amarillo { color: var(--lj-amarillo); }
.lj-colores { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .6rem; }
.lj-color-btn { display: flex; align-items: center; justify-content: center; gap: .5rem; min-height: 80px; border: 0; border-radius: 16px; font-size: 1.2rem; font-weight: 700; cursor: pointer; }
.lj-color-btn .lj-tecla { background: rgba(255,255,255,.3); color: inherit; }
.lj-pulso-bien { animation: lj-pulso .18s ease; } .lj-pulso-mal { animation: lj-sacude .3s ease; }

/* Cálculo */
.lj-operacion { margin: .5rem 0; text-align: center; font-family: var(--lj-display); font-weight: 600; font-size: clamp(3rem, 9vw, 5.5rem); line-height: 1.05; font-variant-numeric: tabular-nums; }

@keyframes lj-sube { to { transform: translateY(-10px) rotate(0); opacity: .4; } }
@keyframes lj-sacude { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-8px); } 75% { transform: translateX(8px); } }
@keyframes lj-pulso { 50% { transform: scale(1.06); } }

@media (max-width: 640px) {
  .lj-memorama { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lj-categorias, .lj-categorias--3 { grid-template-columns: 1fr; }
  .lj-categoria { min-height: 68px; }
  .lj-colores { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lj-opciones, .lj-opciones--tres { grid-template-columns: 1fr; }
  .lj-memorama--grande .lj-carta { aspect-ratio: 4 / 3; }
  .lj-tiempo-cifra { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .lj *, .lj *::before, .lj *::after { animation: none !important; transition-duration: 0s !important; }
}