/* 10-nov: sin la letra Roboto de fuera (la ciudad no carga nada externo): se queda con Inter. */
/* Academia de un cliente (26-oct): el Classroom de Skool. 27-oct: con su aspecto, sacado de su código (paleta del tema
   claro, Roboto, tarjetas con borde #E4E4E4 y radio 10px, botones amarillos en mayúsculas), y sus pestañas Team y
   Leaderboards. */
.ac {
  --n1: #FFFFFF; --n2: #F8F7F5; --n3: #E4E4E4; --n4: #C6C6C6; --n5: #909090; --n6: #858585; --n7: #202124;
  --p1: #FDF1D5; --p2: #FAE3AC; --p3: #F8D481; --p4: #F1D07C; --sd1: #2E6EF5; --g1: #4357AD; --s2: #009E5D; --e2: #E74C3C;
  min-height: 100%; background: var(--n2); color: var(--n7); font: 400 16px/1.45 Roboto, Inter, system-ui, sans-serif; box-sizing: border-box;
}
.ac *, .ac *::before, .ac *::after { box-sizing: border-box; }
.ac button, .ac input, .ac textarea, .ac select { font-family: inherit; }
.ac-cargando, .ac-vacio { color: var(--n5); font-size: 15px; padding: 24px; }
.ac-borrador { font: 700 10.5px Roboto, sans-serif; font-style: normal; text-transform: uppercase; letter-spacing: .04em; color: #8A5A00; background: var(--p1); border-radius: 6px; padding: 2px 6px; margin-left: 6px; vertical-align: middle; white-space: nowrap; }

/* La cabecera del grupo: icono, nombre y pestañas. */
.ac-grupo { background: var(--n1); border-bottom: 1px solid var(--n3); position: sticky; top: 0; z-index: 3; }
.ac-grupo-in { max-width: 1075px; margin: 0 auto; padding: 14px 24px 0; }
.ac-grupo-fila { display: flex; align-items: center; gap: 12px; font-size: 18px; }
.ac-grupo-logo { width: 40px; height: 40px; border-radius: 8px; background: var(--n7); color: var(--n1); display: grid; place-items: center; font-size: 20px; font-weight: 700; }
.ac-tabs { display: flex; gap: 32px; margin-top: 10px; overflow-x: auto; scrollbar-width: none; }
.ac-tab { flex: none; border: 0; background: none; padding: 10px 0 12px; font-size: 16px; color: var(--n5); cursor: pointer; border-bottom: 4px solid transparent; border-radius: 2px; }
.ac-tab:hover { color: var(--n7); }
.ac-tab.activa { color: var(--n7); font-weight: 500; border-bottom-color: var(--n7); }
.ac-tab:focus-visible, .ac-tarjeta:focus-visible, .ac-post:focus-visible { outline: 2px solid var(--sd1); outline-offset: 2px; }
.ac-cuerpo { max-width: 1075px; margin: 0 auto; padding: 24px 24px 56px; }

/* Botones de Skool: amarillos, en mayúsculas; los secundarios, grises. */
.ac-boton { display: inline-flex; align-items: center; justify-content: center; height: 40px; padding: 0 18px; border: 0; border-radius: 6px; background: var(--p3); color: var(--n7); font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; cursor: pointer; text-decoration: none; white-space: nowrap; }
.ac-boton:hover { background: var(--p4); }
.ac-boton.ac-sec, .ac-boton.ac-gris-btn { background: var(--n3); color: var(--n6); }
.ac-boton.ac-sec:hover, .ac-boton.ac-gris-btn:hover { background: var(--n4); color: var(--n7); }
.ac-boton:disabled { opacity: .45; cursor: default; }
.ac-enlace { border: 0; background: none; padding: 0; color: var(--sd1); font-size: 14px; font-weight: 500; cursor: pointer; }
.ac-enlace:hover { text-decoration: underline; }
.ac-gris { color: var(--n5); font-size: 14px; margin: 0; }
.ac-error { color: var(--e2); font-size: 14px; }
.ac-aviso { background: var(--p1); border: 1px solid var(--p2); border-radius: 10px; padding: 10px 14px; font-size: 14px; margin: 0 0 16px; }
.ac-caja { background: var(--n1); border: 1px solid var(--n3); border-radius: 10px; }
.ac-caja-cuerpo { padding: 16px; }

/* Avatar con su nivel en la esquina (Skool: la insignia azul con el número). */
.ac-avatar { position: relative; flex: none; width: var(--tam); height: var(--tam); border-radius: 50%; background: var(--color); color: #fff; display: inline-grid; place-items: center; font-weight: 700; font-size: calc(var(--tam) * .38); line-height: 1; }
.ac-nivel-insignia { position: absolute; right: -4px; bottom: -4px; min-width: 20px; height: 20px; padding: 0 4px; border-radius: 10px; background: var(--g1); border: 2px solid var(--n1); color: #fff; font-size: 11px; font-weight: 700; display: grid; place-items: center; }
.ac-avatar[style*="--tam:28px"] .ac-nivel-insignia, .ac-avatar[style*="--tam:32px"] .ac-nivel-insignia { min-width: 16px; height: 16px; font-size: 9.5px; right: -3px; bottom: -3px; border-width: 1.5px; }

/* Classroom: tarjetas de curso (portada, título, descripción, progreso). */
.ac-rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.ac-tarjeta { display: flex; flex-direction: column; text-align: left; padding: 0; background: var(--n1); border: 1px solid var(--n3); border-radius: 10px; overflow: hidden; cursor: pointer; color: inherit; transition: box-shadow .15s; }
.ac-tarjeta:hover { box-shadow: 0 2px 10px rgba(60, 64, 67, .15); }
.ac-tarjeta.cerrada { cursor: not-allowed; }
.ac-portada-marco { position: relative; display: block; }
.ac-portada { display: block; aspect-ratio: 1460 / 752; background: var(--n3) center / cover no-repeat; }
.ac-portada-auto { display: flex; flex-direction: column; justify-content: flex-end; padding: 16px 18px; color: #fff; }
.ac-portada-auto span { font-size: 52px; font-weight: 700; line-height: 1; }
.ac-portada-auto small { font-size: 14px; font-weight: 500; line-height: 1.3; opacity: .92; margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ac-tono-0 { background: #0693E3; } .ac-tono-1 { background: #009E5D; } .ac-tono-2 { background: #FF6900; }
.ac-tono-3 { background: #BB6EE7; } .ac-tono-4 { background: #E4A511; } .ac-tono-5 { background: #21B8A6; }
.ac-candado { position: absolute; inset: 0; display: flex; flex-direction: column; gap: 6px; align-items: center; justify-content: center; background: rgba(32, 33, 36, .72); color: #fff; font-size: 15px; font-weight: 500; }
.ac-candado span { font-size: 26px; }
.ac-t-cuerpo { display: flex; flex-direction: column; gap: 6px; padding: 16px; flex: 1; }
.ac-t-titulo { font-size: 16px; font-weight: 700; line-height: 1.3; }
.ac-t-desc { font-size: 14px; line-height: 1.45; color: var(--n6); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ac-t-meta { font-size: 13px; color: var(--n5); margin-top: auto; padding-top: 6px; }
.ac-t-progreso { display: flex; align-items: center; gap: 10px; }
.ac-barra { flex: 1; display: block; height: 8px; border-radius: 4px; background: var(--n3); overflow: hidden; }
.ac-barra > span { display: block; height: 100%; background: var(--s2); border-radius: inherit; transition: width .3s; }
.ac-pct { font-size: 13px; font-weight: 500; color: var(--n5); min-width: 34px; text-align: right; }

/* Dentro del curso: el menú a la izquierda, la lección a la derecha. */
.ac-miga { margin-bottom: 14px; }
.ac-volver { border: 0; background: none; padding: 4px 0; font-size: 15px; font-weight: 500; color: var(--n5); cursor: pointer; }
.ac-volver:hover { color: var(--n7); }
.ac-curso { display: grid; grid-template-columns: minmax(250px, 300px) minmax(0, 1fr); gap: 24px; align-items: start; }
.ac-menu { background: var(--n1); border: 1px solid var(--n3); border-radius: 10px; padding: 16px 0 8px; position: sticky; top: 120px; max-height: calc(100vh - 260px); overflow: auto; }
.ac-menu-cab { padding: 0 16px 14px; display: grid; gap: 10px; border-bottom: 1px solid var(--n3); }
.ac-menu-cab h3 { margin: 0; font-size: 18px; font-weight: 700; line-height: 1.3; }
.ac-menu-lista, .ac-menu-lista ul { list-style: none; margin: 0; padding: 0; }
.ac-carpeta ul .ac-fila { padding-left: 28px; }
.ac-fila, .ac-carpeta-cab { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 44px; padding: 10px 16px; border: 0; background: none; text-align: left; font-size: 15px; line-height: 1.35; color: var(--n7); cursor: pointer; }
.ac-fila:hover, .ac-carpeta-cab:hover { background: var(--n2); }
.ac-fila.activa { background: var(--p1); font-weight: 500; }
.ac-fila-t { flex: 1; min-width: 0; }
.ac-carpeta-cab { font-weight: 700; }
.ac-carpeta-cab small { color: var(--n5); font-size: 13px; font-weight: 400; }
.ac-chevron { display: inline-block; font-size: 20px; transition: transform .15s; color: var(--n5); width: 12px; }
.ac-carpeta-cab[aria-expanded="true"] .ac-chevron { transform: rotate(90deg); }
.ac-check { flex: none; width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--n4); display: inline-grid; place-items: center; }
.ac-check.hecha { background: var(--s2); border-color: var(--s2); }
.ac-check.hecha::after { content: ''; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: translateY(-1px) rotate(45deg); }

.ac-leccion { background: var(--n1); border: 1px solid var(--n3); border-radius: 10px; padding: 24px; min-width: 0; }
.ac-leccion-cab { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; }
.ac-leccion-cab h3 { margin: 0; font-size: 23px; font-weight: 700; line-height: 1.25; }
.ac-leccion-meta { margin: 4px 0 0; font-size: 14px; color: var(--n5); }
.ac-hecha { flex: none; display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px; border: 1px solid var(--n3); border-radius: 18px; background: var(--n1); font-size: 14px; font-weight: 500; color: var(--n6); cursor: pointer; }
.ac-hecha:hover { border-color: var(--n4); color: var(--n7); }
.ac-hecha.si { color: var(--s2); border-color: var(--s2); }
.ac-pantalla { position: relative; width: 100%; aspect-ratio: 16 / 9; margin: 18px 0 10px; border-radius: 8px; overflow: hidden; background: #000; }
.ac-pantalla iframe, .ac-pantalla video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.ac-sin-video { display: grid; place-items: center; background: var(--n7); color: #fff; text-align: center; }
.ac-sin-video > div { display: grid; gap: 8px; justify-items: center; padding: 16px; }
.ac-sin-video span:not(.ac-sin-icono) { font-size: 14px; opacity: .75; }
.ac-sin-icono { width: 64px; height: 64px; border-radius: 50%; background: rgba(255, 255, 255, .16); display: grid; place-items: center; font-size: 22px; }
.ac-desc, .ac-transcripcion { font-size: 16px; line-height: 1.6; }
.ac-desc p, .ac-transcripcion p { margin: 10px 0; }
.ac-desc ul { margin: 8px 0; padding-left: 22px; }
.ac-desc li { margin: 4px 0; }
.ac code { background: var(--n2); border: 1px solid var(--n3); border-radius: 4px; padding: 0 4px; font-size: 14px; }
.ac a { color: var(--sd1); }
.ac-bloque { border-top: 1px solid var(--n3); margin-top: 18px; padding-top: 14px; }
.ac-bloque h4 { margin: 0 0 8px; font-size: 15px; font-weight: 700; }
.ac-recursos { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ac-recursos a { display: inline-flex; gap: 8px; align-items: center; font-weight: 500; font-size: 15px; text-decoration: none; }
.ac-recursos a:hover { text-decoration: underline; }
.ac-transcripcion.plegada { max-height: 120px; overflow: hidden; -webkit-mask-image: linear-gradient(#000 60%, transparent); mask-image: linear-gradient(#000 60%, transparent); }
.ac-mas { border: 0; background: none; padding: 4px 0; font-size: 14px; font-weight: 500; color: var(--sd1); cursor: pointer; }
.ac-pie { display: flex; justify-content: space-between; gap: 10px; border-top: 1px solid var(--n3); margin-top: 20px; padding-top: 16px; }
.ac-sin-video .ac-boton { background: var(--p3); }

/* Team (la Community de Skool): el muro a la izquierda, el grupo y el leaderboard a la derecha. */
.ac-team { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; }
.ac-team-main { min-width: 0; }
.ac-escribir-cerrado { display: flex; align-items: center; gap: 12px; width: 100%; padding: 14px 16px; text-align: left; font-size: 17px; color: var(--n5); cursor: text; }
.ac-escribir-cerrado:hover { border-color: var(--n4); }
.ac-escribir { display: grid; gap: 10px; padding: 16px; }
.ac-escribir-cab { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--n5); }
.ac-escribir-cab b { color: var(--n7); font-weight: 500; }
.ac-campo-titulo, .ac-campo-texto { width: 100%; border: 0; outline: none; background: none; color: var(--n7); padding: 4px 0; }
.ac-campo-titulo { font-size: 22px; font-weight: 700; }
.ac-campo-texto { font-size: 16px; line-height: 1.5; resize: vertical; min-height: 110px; }
.ac-escribir-pie { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; border-top: 1px solid var(--n3); padding-top: 12px; }
.ac-escribir-pie > span { flex: 1; }
.ac-escribir-pie select { height: 40px; border: 1px solid var(--n3); border-radius: 6px; background: var(--n1); padding: 0 10px; font-size: 14px; color: var(--n7); }
.ac-chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 16px; }
.ac-chip { height: 36px; padding: 0 16px; border: 0; border-radius: 18px; background: var(--n3); color: var(--n7); font-size: 15px; cursor: pointer; }
.ac-chip:hover { background: var(--n4); }
.ac-chip.activa { background: var(--n5); color: #fff; }
.ac-post { position: relative; display: block; background: var(--n1); border: 1px solid var(--n3); border-radius: 10px; padding: 20px 24px; margin-bottom: 16px; cursor: pointer; transition: box-shadow .15s; }
.ac-post:hover { box-shadow: 0 2px 10px rgba(60, 64, 67, .15); }
.ac-post-cab { display: flex; align-items: center; gap: 12px; }
.ac-post-cab > span:not(.ac-avatar) { flex: 1; min-width: 0; display: grid; }
.ac-post-cab b { font-size: 15px; font-weight: 700; }
.ac-post-cab small { font-size: 14px; color: var(--n5); }
.ac-post-titulo { margin: 14px 0 4px; font-size: 19px; font-weight: 700; line-height: 1.3; }
.ac-post-titulo.grande { font-size: 24px; }
.ac-post-extracto { margin: 0; font-size: 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ac-post-texto { font-size: 16px; line-height: 1.6; }
.ac-post-texto p { margin: 10px 0; }
.ac-post-pie { display: flex; align-items: center; gap: 18px; margin-top: 14px; font-size: 14px; color: var(--n5); }
.ac-gusta { display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 8px; margin-left: -8px; border: 0; border-radius: 6px; background: none; font-size: 14px; color: var(--n5); cursor: pointer; filter: grayscale(1); }
.ac-gusta:hover:not(:disabled) { background: var(--n2); }
.ac-gusta.si { color: var(--n7); font-weight: 700; filter: none; }
.ac-gusta:disabled { cursor: default; }
.ac-cuenta-com { display: inline-flex; gap: 6px; align-items: center; filter: grayscale(1); }
.ac-ultimo { margin-left: auto; text-align: right; }
.ac-sin-resp { color: #B07A00; }
.ac-fijado { position: absolute; top: 16px; right: 20px; display: inline-flex; gap: 4px; align-items: center; font-size: 13px; color: var(--n5); }
.ac-post-completo .ac-fijado { top: 16px; right: 16px; }
.ac-post-completo { position: relative; }
.ac-post-completo .ac-caja-cuerpo { padding: 24px; }
.ac-vacio-caja { padding: 24px; color: var(--n5); text-align: center; }
.ac-mas-posts { width: 100%; }
.ac-lado { display: grid; gap: 16px; position: sticky; top: 120px; }
.ac-grupo-portada { aspect-ratio: 1460 / 752; border-radius: 10px 10px 0 0; background: var(--n7); display: grid; place-items: center; color: var(--p3); font-size: 64px; font-weight: 700; }
.ac-grupo-tarjeta h3 { margin: 0 0 6px; font-size: 18px; font-weight: 700; }
.ac-grupo-tarjeta p { margin: 0; font-size: 15px; }
.ac-cifras { display: grid; grid-template-columns: repeat(3, 1fr); margin: 14px 0; padding: 12px 0; border-top: 1px solid var(--n3); border-bottom: 1px solid var(--n3); }
.ac-cifras span { display: grid; justify-items: center; font-size: 13px; color: var(--n5); }
.ac-cifras span + span { border-left: 1px solid var(--n3); }
.ac-cifras b { font-size: 18px; color: var(--n7); }
.ac-grupo-tarjeta .ac-boton { width: 100%; }
.ac-lado h4, .ac-lb-tabla h4 { margin: 0 0 12px; font-size: 16px; font-weight: 700; }
.ac-top { list-style: none; margin: 0 0 12px; padding: 0; display: grid; gap: 4px; }
.ac-top li { display: flex; align-items: center; gap: 10px; padding: 5px 8px; margin: 0 -8px; border-radius: 8px; }
.ac-top li.yo { background: var(--p1); }
.ac-top-n { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 15px; }
.ac-top b { font-size: 14px; color: var(--n7); }
.ac-rango { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 14px; font-weight: 700; color: var(--n5); }
.ac-rango.medalla { color: #fff; }

/* Comentarios y respuestas. */
.ac-comentarios { border-top: 1px solid var(--n3); padding: 18px 24px 22px; }
.ac-coms { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.ac-com { display: flex; gap: 10px; }
.ac-com-cuerpo { flex: 1; min-width: 0; }
.ac-com-burbuja { background: var(--n2); border-radius: 10px; padding: 10px 14px; }
.ac-com-burbuja b { font-size: 14px; }
.ac-com-burbuja small { font-size: 13px; color: var(--n5); }
.ac-com-texto { font-size: 15px; line-height: 1.5; }
.ac-com-texto p { margin: 4px 0 0; }
.ac-com-acciones { display: flex; align-items: center; gap: 14px; margin: 2px 0 0 8px; font-size: 13px; }
.ac-com-acciones .ac-enlace { font-size: 13px; color: var(--n5); }
.ac-com-acciones .ac-enlace:hover { color: var(--n7); }
.ac-borrar:hover { color: var(--e2) !important; }
.ac-respuestas { margin-top: 12px; }
.ac-comentar { display: flex; gap: 10px; align-items: flex-start; margin-top: 16px; }
.ac-comentar textarea { flex: 1; min-height: 40px; border: 1px solid var(--n3); border-radius: 20px; background: var(--n2); padding: 9px 14px; font-size: 15px; resize: vertical; color: var(--n7); }
.ac-comentar textarea:focus { outline: none; border-color: var(--n4); background: var(--n1); }

/* Leaderboards. */
.ac-lb-cab .ac-caja-cuerpo { display: grid; grid-template-columns: 300px 1fr; gap: 32px; align-items: center; padding: 32px; }
.ac-lb-yo { display: grid; justify-items: center; gap: 4px; text-align: center; }
.ac-lb-yo .ac-avatar { margin-bottom: 10px; }
.ac-lb-yo .ac-nivel-insignia { min-width: 38px; height: 38px; border-radius: 19px; font-size: 18px; border-width: 3px; right: -2px; bottom: -2px; }
.ac-lb-nombre { font-size: 22px; font-weight: 700; }
.ac-lb-nivel { font-size: 16px; color: var(--sd1); font-weight: 500; }
.ac-lb-falta { font-size: 14px; color: var(--n5); }
.ac-lb-falta b { color: var(--n7); }
.ac-lb-niveles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: repeat(5, auto); grid-auto-flow: column; gap: 14px 24px; }
.ac-lb-niveles li { display: flex; align-items: center; gap: 12px; }
.ac-lb-niveles li > span:last-child { display: grid; }
.ac-lb-niveles b { font-size: 15px; font-weight: 500; }
.ac-lb-niveles small { font-size: 13px; color: var(--n5); }
.ac-lb-circulo { flex: none; width: 38px; height: 38px; border-radius: 50%; background: var(--n3); color: var(--n5); display: grid; place-items: center; font-size: 15px; font-weight: 700; }
.ac-lb-niveles li.ac-alcanzado .ac-lb-circulo { background: var(--sd1); color: #fff; }
.ac-lb-act { margin: 14px 0; }
.ac-lb-tablas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ac-lb-como { margin-top: 16px; }
.ac-lb-como summary { padding: 14px 16px; font-size: 15px; font-weight: 700; cursor: pointer; }
.ac-lb-como .ac-caja-cuerpo { padding-top: 0; font-size: 15px; }
.ac-lb-como ul { margin: 6px 0; padding-left: 20px; }

@media (max-width: 900px) {
  .ac-team { grid-template-columns: 1fr; }
  .ac-lado { position: static; }
  .ac-lb-cab .ac-caja-cuerpo { grid-template-columns: 1fr; padding: 24px 16px; }
  .ac-lb-tablas { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .ac-grupo-in { padding: 12px 16px 0; }
  .ac-tabs { gap: 22px; }
  .ac-cuerpo { padding: 16px 16px 40px; }
  .ac-curso { grid-template-columns: 1fr; }
  .ac-menu { position: static; max-height: 320px; }
  .ac-leccion { padding: 16px; }
  .ac-leccion-cab { flex-direction: column; }
  .ac-post { padding: 16px; }
  .ac-comentarios { padding: 16px; }
  .ac-lb-niveles { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-flow: row; }
  .ac-ultimo { display: none; }
}