.tema{max-width:860px;margin:0 auto;overflow-wrap:anywhere}.tema h1{font-size:clamp(1.9rem,6vw,2.8rem);margin:0 0 .2em}.tema h2{margin:1.1em 0 .35em}.tema h3{margin:0 0 .25em}.tema p{margin:0 0 .6em}.tema-pre{white-space:pre-line}.tema-migas{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-wrap:wrap;gap:4px 8px;font-size:.92rem;color:var(--tinta-2)}.tema-migas li+li:before{content:"›";margin-inline-end:8px;opacity:.6}.tema-migas a{color:inherit;text-underline-offset:3px}.tema-migas [aria-current]{color:var(--tinta);font-weight:700}.tema-grupo{display:inline-block;margin:0 0 6px;padding:2px 11px;border:1.5px solid var(--linea);border-radius:999px;background:var(--papel-2);font-size:.82rem;font-weight:800;color:var(--tinta-2)}.tema-original{margin:-.25em 0 .6em;font-size:1.15rem;font-weight:800;color:var(--tinta-2)}.tema-resumen{font-size:1.1rem}.tema-nota{font-size:.9rem}.tema-regla{background:var(--tarjeta);border:2px solid var(--linea);border-radius:var(--radio);padding:12px 14px;margin:0 0 10px}.tema-regla p:last-child{margin-bottom:0}.tema-ejemplo{padding:6px 10px;border-inline-start:4px solid var(--carton-2);background:var(--papel-2);border-radius:0 10px 10px 0;font-weight:700}.tema-ejemplo small{font-weight:800;color:var(--tinta-2);margin-inline-end:6px;text-transform:uppercase;letter-spacing:.03em;font-size:.72rem}.tema-ejemplos{margin:6px 0 0;padding-inline-start:20px;font-weight:700}.tema-ejercicios{margin:0;padding:0;list-style:none;counter-reset:ej;display:grid;gap:10px}.tema-ejercicios>li{counter-increment:ej;position:relative;background:var(--tarjeta);border:2px solid var(--linea);border-radius:var(--radio);padding:12px 14px 12px 46px}.tema-ejercicios>li:before{content:counter(ej);position:absolute;inset-inline-start:12px;top:11px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--tinta);color:var(--papel);font-weight:800;font-size:.9rem}.tema-consigna{color:var(--tinta-2);font-size:.92rem;margin:0 0 4px}.tema-enunciado{font-size:1.08rem;font-weight:700;margin:0 0 6px}.tema-opciones{margin:0 0 8px;padding-inline-start:24px;list-style-type:upper-alpha}.tema-opciones li{margin:1px 0}.tema details{margin-top:4px}.tema summary{cursor:pointer;font-weight:800;color:var(--rojo-2);padding:4px 0}.tema details[open] summary{margin-bottom:4px}.tema-respuesta{margin:0 0 4px;padding:6px 10px;border-radius:10px;background:color-mix(in srgb,var(--verde) 14%,var(--tarjeta));border:1.5px solid var(--verde)}.tema-practicar{margin:22px 0 14px;padding:16px;text-align:center;background:var(--papel-2);border:2px dashed var(--tinta);border-radius:18px}.tema-practicar .boton.grande{font-size:1.25rem;padding:14px 26px}.tema-practicar p{margin:8px 0 0}.tema-nav{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:stretch;margin:18px 0 6px}.tema-nav a{display:grid;gap:2px;align-content:center;padding:10px 12px;border:2px solid var(--linea);border-radius:var(--radio);background:var(--tarjeta);text-decoration:none;color:var(--tinta);font-weight:700;min-width:0}.tema-nav a:hover{border-color:var(--tinta)}.tema-nav a small{color:var(--tinta-2);font-weight:800}.tema-nav a[rel=next]{text-align:end}.tema-nav .tema-indice{align-self:center;font-weight:800}@media (max-width: 640px){.tema-nav{grid-template-columns:1fr 1fr}.tema-nav .tema-indice{grid-column:1 / -1;order:3;text-align:center}}.indice-temas{max-width:860px;margin:28px auto 0;padding:12px 14px;border:2px solid var(--linea);border-radius:var(--radio);background:var(--tarjeta);overflow-wrap:anywhere}.indice-temas h2{margin:0;font-size:1.3rem}.indice-temas summary{cursor:pointer;list-style-position:inside}.indice-temas summary h2{display:inline}.indice-temas-lista{list-style:none;margin:10px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:4px 16px}.indice-temas-lista a{display:block;padding:3px 0;text-underline-offset:3px}