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p{margin:0;font-weight:600;color:var(--ink)}.practica-nerdo{background:var(--sheet);border-left:var(--borde);min-width:0}.practica-nerdo-barra{display:none}.practica-nerdo-cuerpo{position:-webkit-sticky;position:sticky;top:var(--alto-cabecera);height:calc(100dvh - var(--alto-cabecera));display:flex;flex-direction:column}.practica-nerdo-cabecera{padding:1rem 1.25rem 0}.practica-nerdo-cabecera h2{font-family:var(--font-sans);font-size:1rem;font-weight:600}.practica-nerdo-cabecera h2:focus{outline:none}.practica-nerdo-cabecera h2:focus-visible{outline:var(--foco);outline-offset:.25rem}.practica-nerdo-cabecera p{margin:0;font-size:var(--fs-label);color:var(--ink-3)}.practica-nerdo-momento{display:flex;align-items:flex-start;gap:.75rem;padding:1rem 1.25rem;border-bottom:var(--borde)}.practica-nerdo-momento .burbuja{flex:1 1 auto;max-width:none;display:flex;flex-direction:column;gap:.625rem;align-items:flex-start}.practica-nerdo-momento .burbuja p{margin:0}.practica-nerdo-oferta{font-weight:600}.practica-nerdo-apunte{color:var(--on-ink);font-weight:600;min-height:var(--tactil);display:inline-flex;align-items:center}.practica-nerdo-apunte:hover{color:var(--on-ink)}.burbuja-nerdo :focus-visible{outline-color:var(--on-ink)}.practica-nerdo-pregunta{display:flex;align-items:center;gap:.625rem;padding:.75rem 1.25rem 0}.practica-nerdo-pregunta .unit-select{flex:1 1 auto}.practica-nerdo-hilo{flex:1 1 auto;min-height:6rem;overflow-y:auto;padding:1rem 1.25rem}.practica-nerdo-hilo .conversacion{list-style:none;margin:0;padding:0}.practica-nerdo-hilo .burbuja{max-width:min(20rem,92%)}.practica-nerdo-hilo .burbuja p{margin:0 0 .5rem}.practica-nerdo-hilo .burbuja p:last-child{margin-bottom:0}.burbuja-nerdo .katex{color:inherit}.burbuja-html .katex-display{margin:.5rem 0;overflow-x:auto;overflow-y:hidden}.practica-nerdo-vacio{margin:0;font-size:var(--fs-body-s);color:var(--ink-3)}.practica-nerdo-error{margin:.75rem 0 0;font-size:var(--fs-body-s)}.practica-nerdo-error p{margin:0}.practica-nerdo-error p+p{margin-top:.375rem}.practica-nerdo-pensando .puntos:after{content:"\2026 ";display:inline-block;width:1.2em;text-align:left;animation:nerdo-puntos 1.2s steps(4) infinite;overflow:hidden;vertical-align:bottom}@keyframes nerdo-puntos{0%{width:0}to{width:1.2em}}.practica-nerdo-acciones{border-top:var(--borde);padding:.75rem 1.25rem 1.25rem;display:flex;flex-direction:column;gap:.75rem}.practica-nerdo-chips{display:flex;flex-wrap:wrap;gap:.5rem}.practica-nerdo-chips .chip:disabled{opacity:.55;cursor:not-allowed}.practica-nerdo-form{display:flex;flex-direction:column;gap:.375rem}.practica-nerdo-campo{display:flex;gap:.5rem}.practica-nerdo-campo input{flex:1 1 auto;min-width:0;min-height:var(--tactil);padding:0 .75rem;font-family:var(--font-sans);font-size:var(--fs-body-s);color:var(--ink);background:var(--white);border:var(--borde);border-radius:var(--radio)}.practica-nerdo-campo input::placeholder{color:var(--ink-3);opacity:1}.practica-nerdo-enviar{flex:none;width:var(--tactil);padding:0}.practica-nerdo-costo{margin:0;font-size:var(--fs-label);color:var(--ink-3)}.practica-nerdo-invitacion{display:flex;flex-direction:column;gap:.75rem;padding:1rem 1.25rem 1.25rem}.practica-nerdo-invitacion p{margin:0;font-size:var(--fs-body-s)}@media (max-width:74.99em){.practica-cuerpo{grid-template-columns:var(--ancho-sidebar) minmax(0,1fr)}.practica-centro{padding-bottom:calc(var(--alto-barra-nerdo) + 2.5rem)}.practica-nerdo{position:fixed;inset:auto 0 0 0;z-index:30;border-left:0;border-top:var(--borde);box-shadow:0 -6px 0 var(--sombra-color)}.practica-nerdo-barra{display:flex;align-items:center;gap:.75rem;width:100%;min-height:var(--alto-barra-nerdo);padding:.5rem var(--pad-pagina);font:inherit;text-align:left;color:var(--ink);background:var(--sheet);border:0;cursor:pointer}.practica-nerdo-barra-texto{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}.practica-nerdo-barra-titulo{font-weight:600;font-size:var(--fs-body-s)}.practica-nerdo-barra-momento{font-size:var(--fs-label);color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.practica-nerdo-barra-icono{transform:rotate(-90deg);transition:transform .15s ease}.practica-nerdo[data-abierto=true] .practica-nerdo-barra-icono{transform:rotate(90deg)}.practica-nerdo[data-abierto=true] .practica-nerdo-barra{border-bottom:var(--borde)}.practica-nerdo-cuerpo{display:none;position:static;height:auto;max-height:min(75dvh,40rem)}.practica-nerdo[data-abierto=true] .practica-nerdo-cuerpo{display:flex}.practica-nerdo-hilo{min-height:4rem}.practica-nerdo-cabecera{display:none}body:has(.practica){padding-bottom:var(--alto-barra-nerdo)}}@media (min-width:75em){.practica-terminada{display:none}}@media (max-width:47.99em){.practica-cabecera{position:static;gap:.5rem 1rem}.practica-volver{padding-right:0;border-right:0;flex:1 1 100%}.practica-cabecera-datos{flex:1 1 100%;justify-content:space-between}.practica-avance,.practica-avance .progreso,.practica-avance .progreso-pista{flex:1 1 auto}.practica-cuerpo{grid-template-columns:minmax(0,1fr);min-height:0}.practica-lista{border-right:0;border-bottom:var(--borde)}.practica-lista-interior{position:static;max-height:none;padding:.75rem var(--pad-pagina);gap:.75rem}.practica-lista-ancha,.practica-lista-titulo{display:none}.practica-lista-movil{display:flex;align-items:center;gap:.625rem}.practica-lista-movil .unit-select{flex:1 1 auto}.practica-lista-pie{flex-direction:row;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;padding:0;border-top:0}.practica-lista-pie .unit-row{flex:1 1 12rem;flex-direction:row;align-items:center}.practica-lista-pie .unit-select{flex:1 1 auto}.practica-centro{padding-inline:var(--pad-pagina)}.problema-nav .boton{flex:1 1 100%}}@media (prefers-reduced-motion:reduce){.practica-nerdo-pensando .puntos:after{animation:none;width:1.2em}.practica-nerdo-barra-icono{transition:none}}.opt-body .katex{white-space:nowrap}.practica-apunte{display:inline-flex;align-items:center;min-height:var(--tactil);font-weight:600;font-size:var(--fs-body-s)}