:root{color-scheme:dark;--fondo:#141414;--panel:#222222;--panel-activo:#2d2d2d;--borde:#3a3a3a;--texto:#ececec;--texto-suave:#9c9c9c;--acento:#f2c230}*{box-sizing:border-box}body,html{margin:0}body{background:var(--fondo);color:var(--texto);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif;line-height:1.45;min-height:100dvh;-webkit-font-smoothing:antialiased}a{color:var(--acento)}button{font:inherit;color:var(--texto);background:var(--panel);border:1px solid var(--borde);border-radius:8px;padding:.5rem .85rem;cursor:pointer;touch-action:manipulation}button:active{background:var(--panel-activo)}button:disabled{opacity:.4;cursor:default}button:focus-visible,input:focus-visible{outline:2px solid var(--acento);outline-offset:2px}input{font:inherit;color:var(--texto);background:var(--panel);border:1px solid var(--borde);border-radius:8px;padding:.45rem .6rem}.boton--primario{background:var(--acento);border-color:var(--acento);color:#141414;font-weight:600}.boton--primario:active{background:#d9ac25}.pagina{max-width:560px;margin:0 auto;padding:1rem .9rem 3rem;display:flex;flex-direction:column;gap:.9rem}.titulo{font-size:1.2rem;font-weight:700;margin:0}.subtitulo{color:var(--texto-suave);font-size:.9rem;margin:0}.fila{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.chip{border-radius:999px;padding:.4rem .8rem;font-size:.9rem}.chip--activa{border-color:var(--acento);color:var(--acento);background:#2a2415}.contador{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:.95rem}.contador,.etiqueta{color:var(--texto-suave)}.etiqueta{font-size:.9rem}.campo-semilla{width:7.5rem;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.nota{color:var(--texto-suave)}.nota,.resumen{font-size:.85rem;margin:0}.resumen{background:var(--panel);border:1px solid var(--borde);border-radius:8px;padding:.8rem;overflow-x:auto;white-space:pre}.marco-tablero{position:relative;width:min(92vw,480px);align-self:center}.tablero{position:relative;width:100%;aspect-ratio:1/1;background-color:#1b1b1b;background-image:linear-gradient(90deg,#272727 1px,transparent 0),linear-gradient(180deg,#272727 1px,transparent 0);background-size:calc(100% / 6) calc(100% / 6);border:2px solid var(--borde);border-radius:4px;touch-action:none;-moz-user-select:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.pieza{position:absolute;top:0;left:0;border:3px solid transparent;background-clip:padding-box;border-radius:8px;cursor:-webkit-grab;cursor:grab;transition:transform .13s ease-out;will-change:transform}.pieza--arrastrando{transition:none;cursor:-webkit-grabbing;cursor:grabbing;z-index:2}.pieza--objetivo{background-color:var(--acento)}.muesca{position:absolute;right:-7px;width:12px;background:var(--fondo);border-top:2px solid var(--borde);border-bottom:2px solid var(--borde)}.muesca:after{content:"";position:absolute;top:50%;right:-1px;transform:translateY(-50%);border-left:7px solid var(--acento);border-top:6px solid transparent;border-bottom:6px solid transparent}.velo{position:absolute;inset:0;background:rgba(18,18,18,.88);border-radius:4px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.8rem;text-align:center;padding:1rem;z-index:5}.velo-titulo{font-size:1.1rem;font-weight:700;margin:0}