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input:focus{outline:none}.cc--palabra{background:var(--color-primario-suave)}.cc--seleccionada{background:#bcd2f0}.cc--revelada input{color:var(--color-avanzado)}.cc--error input{color:var(--color-reto);text-decoration:line-through}.cc__numero{color:var(--color-texto-suave);pointer-events:none;font-size:clamp(.5rem,1.6vw,.65rem);line-height:1;position:absolute;top:1px;left:2px}.acciones-crucigrama{grid-template-columns:repeat(3,1fr);gap:8px;max-width:480px;display:grid}.pistas{flex-direction:column;gap:16px;display:flex}.pistas h2{font-size:1.05rem}.pistas ol{margin:0;padding:0;list-style:none}.pista{width:100%;color:var(--color-texto);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-left:3px solid #0000;border-radius:6px;padding:6px 8px;display:block}.pista:hover{background:var(--color-fondo)}.pista--activa{border-left-color:var(--color-primario);background:var(--color-primario-suave)}.pista--llena{color:var(--color-texto-suave)}.pista__largo{color:var(--color-texto-suave);font-size:.85rem}.juego{grid-template-columns:minmax(0,540px) minmax(220px,300px);align-items:start;gap:24px;display:grid}@media (width<=760px){.juego{grid-template-columns:minmax(0,1fr)}}.tablero{aspect-ratio:1;border:2px solid var(--color-texto);background:var(--color-superficie);-webkit-user-select:none;user-select:none;border-radius:6px;grid-template-columns:repeat(9,1fr);width:100%;max-width:540px;display:grid;overflow:hidden}.tablero--cargando{color:var(--color-texto-suave);justify-content:center;align-items:center;display:flex}.celda{border:0;border-right:1px solid var(--color-borde);border-bottom:1px solid var(--color-borde);background:var(--color-superficie);min-width:0;color:var(--color-primario);font:inherit;cursor:pointer;justify-content:center;align-items:center;padding:0;font-size:clamp(1.1rem,4.5vw,1.75rem);display:flex;position:relative}.celda:nth-child(9n){border-right:0}.celda:nth-last-child(-n+9){border-bottom:0}.celda--borde-derecho{border-right:2px solid var(--color-texto)}.celda--borde-inferior{border-bottom:2px solid var(--color-texto)}.celda--dada{color:var(--color-texto);font-weight:700}.celda--revelada{color:var(--color-avanzado);font-weight:600}.celda--relacionada{background:#eef2f8}.celda--mismo-valor{background:#d7e3f4}.celda--seleccionada{background:#bcd2f0}.celda--conflicto,.celda--error{color:var(--color-reto)}.celda--conflicto{background:#fbeaec}.celda--error{-webkit-text-decoration:underline wavy var(--color-reto);text-decoration:underline wavy var(--color-reto)}.celda:focus-visible{outline:2px solid var(--color-primario);outline-offset:-2px;z-index:1}.tablero--completado .celda{cursor:default}.notas{width:100%;height:100%;color:var(--color-texto-suave);grid-template-columns:repeat(3,1fr);padding:2px;font-size:clamp(.5rem,1.6vw,.7rem);line-height:1;display:grid}.notas span{justify-content:center;align-items:center;display:flex}.panel{flex-direction:column;gap:12px;display:flex}.teclado{flex-direction:column;gap:10px;display:flex}.teclado__numeros{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}@media (width<=760px){.teclado__numeros{grid-template-columns:repeat(9,1fr);gap:4px}}.teclado__acciones{grid-template-columns:repeat(auto-fit,minmax(84px,1fr));gap:8px;display:grid}.tecla--numero{color:var(--color-primario);flex-direction:column;align-items:center;font-size:1.4rem;font-weight:600;line-height:1.1;display:flex}.tecla--numero small{color:var(--color-texto-suave);font-size:.65rem;font-weight:400}.tecla--activa{background:var(--color-primario-suave);border-color:var(--color-primario);color:var(--color-primario)}.guia__titulo,.guia__seccion{margin-top:40px}.guia__seccion>p,.guia__seccion>ul,.guia__seccion>ol{max-width:760px}.guia__seccion li+li{margin-top:6px}.indice{flex-wrap:wrap;gap:8px;display:flex}.indice a{border:1px solid var(--color-borde);background:var(--color-superficie);border-radius:999px;padding:4px 12px;text-decoration:none}.tecnica{margin-top:24px}.tecnica>p{max-width:760px}.tabla-envoltorio{overflow-x:auto}.tabla{border-collapse:collapse;background:var(--color-superficie);border:1px solid var(--color-borde);border-radius:var(--radio);width:100%}.tabla th,.tabla td{border-bottom:1px solid var(--color-borde);text-align:left;vertical-align:top;padding:10px 14px}.tabla th{color:var(--color-texto-suave);font-size:.9rem}.niveles-guia{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}.ejemplo{background:var(--color-superficie);border:1px solid var(--color-borde);border-radius:var(--radio);flex-wrap:wrap;align-items:flex-start;gap:20px;margin:16px 0 0;padding:16px;display:flex}.ejemplo figcaption{flex:240px}.ejemplo figcaption p{margin-top:0}.ejemplo__contador{color:var(--color-texto-suave);font-size:.85rem}.ejemplo__botones{flex-wrap:wrap;gap:8px;display:flex}.mini-sudoku{grid-template-rows:1.2rem auto;grid-template-columns:1.6rem 1fr;width:min(100%,380px);font-size:clamp(.85rem,3.5vw,1.1rem);display:grid}.mini-sudoku__columnas,.mini-sudoku__filas{color:var(--color-texto-suave);font-size:.6rem;display:grid}.mini-sudoku__columnas{grid-template-columns:repeat(9,1fr)}.mini-sudoku__filas{grid-template-rows:repeat(9,1fr)}.mini-sudoku__columnas span,.mini-sudoku__filas span{justify-content:center;align-items:center;display:flex}.mini-sudoku__tablero{border:2px solid var(--color-texto);background:var(--color-superficie);grid-template-columns:repeat(9,1fr);display:grid}.mc{aspect-ratio:1;border-right:1px solid var(--color-borde);border-bottom:1px solid var(--color-borde);justify-content:center;align-items:center;font-weight:600;display:flex;position:relative}.mc:nth-child(9n){border-right:0}.mc:nth-last-child(-n+9){border-bottom:0}.mc--borde-derecho{border-right:2px solid var(--color-texto)}.mc--borde-inferior{border-bottom:2px solid var(--color-texto)}.mc--zona{background:#e6eef9}.mc--destino{background:#fdf3e1}.mc--patron{background:#bcd2f0}.mc__colocada{color:var(--color-basico)}.mc__notas{width:100%;height:100%;color:var(--color-texto-suave);grid-template-columns:repeat(3,1fr);padding:1px;font-size:clamp(.4rem,1.4vw,.55rem);font-weight:400;line-height:1;display:grid}.mc__notas span{justify-content:center;align-items:center;display:flex}.mc__nota--clave{color:var(--color-primario);font-weight:700}.mc__nota--eliminada{color:var(--color-reto);font-weight:700;text-decoration:line-through}.ejemplo--crucigrama{flex-direction:column}.ejemplo-crucigrama__cuerpo{flex-wrap:wrap;align-items:flex-start;gap:20px;display:flex}.crucigrama--mini{width:min(100%, calc(var(--columnas) * 40px))}.cc--estatica{justify-content:center;align-items:center;display:flex}.cc__letra{font-size:max(14px,min(1.2rem,4vw));font-weight:600}.ejemplo-crucigrama__pistas{flex:240px;font-size:.9rem}.ejemplo-crucigrama__pistas h4{margin:0 0 4px}.ejemplo-crucigrama__pistas ul{margin:0 0 12px;padding:0;list-style:none}:root{--color-fondo:#f6f7fb;--color-superficie:#fff;--color-texto:#1b2333;--color-texto-suave:#5b6578;--color-borde:#dde2ec;--color-primario:#1f4e8c;--color-primario-suave:#e6eef9;--color-basico:#2e8b57;--color-intermedio:#2f6fbf;--color-avanzado:#c27c0e;--color-reto:#b03a48;--radio:12px;--sombra:0 1px 2px #1018280f, 0 2px 8px #1018280f;color:var(--color-texto);background:var(--color-fondo);-webkit-font-smoothing:antialiased;font-family:system-ui,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}*,:before,:after{box-sizing:border-box}body{min-width:320px;margin:0}h1,h2,h3{margin:0 0 .5rem;line-height:1.2}a{color:var(--color-primario)}.contenedor{width:100%;max-width:1040px;margin:0 auto;padding:0 16px}.app{flex-direction:column;min-height:100vh;display:flex}.cabecera{background:var(--color-superficie);border-bottom:1px solid var(--color-borde)}.cabecera__fila{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 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var(--color-borde);border-radius:var(--radio);box-shadow:var(--sombra);color:var(--color-texto);flex-direction:column;gap:4px;padding:24px;text-decoration:none;transition:transform .15s,border-color .15s;display:flex}.tarjeta:hover{border-color:var(--color-primario);transform:translateY(-2px)}.tarjeta p{color:var(--color-texto-suave);margin:0}.tarjeta__accion{color:var(--color-primario);margin-top:auto;padding-top:12px;font-weight:600}.tarjeta--secundaria{background:var(--color-primario-suave)}.niveles{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.nivel{background:var(--color-superficie);border:1px solid var(--color-borde);border-top:4px solid var(--color-nivel);border-radius:var(--radio);box-shadow:var(--sombra);padding:20px}.nivel h3{color:var(--color-nivel)}.nivel p{color:var(--color-texto-suave);margin:0 0 12px}.nivel--basico{--color-nivel:var(--color-basico)}.nivel--intermedio{--color-nivel:var(--color-intermedio)}.nivel--avanzado{--color-nivel:var(--color-avanzado)}.nivel--reto{--color-nivel:var(--color-reto)}.nivel__jugar{color:var(--color-nivel);font-weight:600;text-decoration:none}.etiqueta{background:var(--color-fondo);color:var(--color-texto-suave);border-radius:999px;padding:2px 10px;font-size:.85rem;display:inline-block}.guia{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;display:grid}.guia__bloque{background:var(--color-superficie);border:1px solid var(--color-borde);border-radius:var(--radio);padding:24px}.guia__bloque ol{margin:0;padding-left:20px}.guia__bloque li+li{margin-top:6px}.nota{color:var(--color-texto-suave);margin-top:24px}.juego-cabecera{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px 24px;margin-bottom:20px;display:flex}.juego-cabecera h1{flex-wrap:wrap;align-items:center;gap:10px;margin:4px 0 8px;display:flex}h1:has(.insignia){flex-wrap:wrap;align-items:center;gap:10px;margin:4px 0 8px;display:flex}.juego-cabecera__datos{flex-wrap:wrap;align-items:center;gap:8px 12px;display:flex}.volver{font-size:.9rem;text-decoration:none}.insignia{color:#fff;background:var(--color-nivel);border-radius:999px;padding:2px 10px;font-size:.9rem;font-weight:600}.insignia--basico{--color-nivel:var(--color-basico)}.insignia--intermedio{--color-nivel:var(--color-intermedio)}.insignia--avanzado{--color-nivel:var(--color-avanzado)}.insignia--reto{--color-nivel:var(--color-reto)}.cronometro{font-variant-numeric:tabular-nums;font-size:1.25rem;font-weight:600}.dato{color:var(--color-texto-suave)}.boton{border:1px solid var(--color-primario);background:var(--color-primario);color:#fff;font:inherit;cursor:pointer;border-radius:8px;padding:8px 14px;font-weight:600;text-decoration:none;display:inline-block}.boton--secundario{background:var(--color-superficie);color:var(--color-primario)}.boton:disabled{opacity:.5;cursor:default}.aviso{border-radius:var(--radio);flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 16px;padding:12px 16px;display:flex}.aviso--exito{border:1px solid var(--color-basico);background:#e7f5ec}.aviso--error{border:1px solid var(--color-reto);background:#fbeaec}.tecla{border:1px solid var(--color-borde);background:var(--color-superficie);color:var(--color-texto);font:inherit;cursor:pointer;border-radius:8px;padding:10px 6px;font-weight:500}.tecla:hover:not(:disabled){border-color:var(--color-primario)}.tecla:disabled{opacity:.45;cursor:default}.ayuda{color:var(--color-texto-suave);margin:0;font-size:.85rem}@media (hover:none){.ayuda{display:none}}.descarga{position:relative}.descarga__panel{z-index:10;background:var(--color-superficie);border:1px solid var(--color-borde);border-radius:var(--radio);flex-direction:column;gap:10px;width:260px;max-width:calc(100vw - 32px);padding:14px 16px;display:flex;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 8px 24px #10182824}.descarga__titulo{margin:0;font-weight:600}.descarga__panel fieldset{border:0;flex-direction:column;gap:4px;margin:0;padding:0;display:flex}.descarga__panel legend{color:var(--color-texto-suave);margin-bottom:4px;font-size:.85rem}.descarga__panel label{cursor:pointer;align-items:center;gap:8px;display:flex}.descarga__deshabilitado{opacity:.5}.descarga__error{color:var(--color-reto);margin:0;font-size:.9rem}.pie{border-top:1px solid var(--color-borde);background:var(--color-superficie);color:var(--color-texto-suave);padding:20px 0;font-size:.9rem}