/* Apartado Cursos: catálogo, alta e ingreso. Se apoya en style.css y aula.css del sitio. */
.aula .cupo { color: var(--muted2); font-size: 0.82rem; }
.cursos a { display: flex; gap: 18px; align-items: baseline; justify-content: space-between; }
.cursos .estado { flex-shrink: 0; font-size: 0.78rem; color: var(--muted2); border: 1px solid var(--border2); border-radius: 6px; padding: 3px 10px; }
.cursos .estado.abierta { color: #86efac; border-color: rgba(134,239,172,0.3); }
.video-curso { width: 100%; border-radius: var(--r); border: 1px solid var(--border2); margin: 28px 0 8px; background: #000; display: block; }
.encuentros { list-style: none; border-top: 1px solid var(--border2); margin-top: 12px; }
.encuentros li { padding: 14px 4px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: 0.95rem; }
.encuentros strong { color: var(--text); display: block; }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 32px; }
.formulario { max-width: 520px; margin-top: 28px; }
.formulario label { display: block; font-size: 0.85rem; color: var(--muted); margin: 18px 0 6px; }
.formulario input { width: 100%; background: var(--surface); border: 1px solid var(--border2); border-radius: 9px; color: var(--text); font: inherit; padding: 11px 14px; }
.formulario input:focus { outline: none; border-color: var(--accent); }
.formulario .ayuda { color: var(--muted2); font-size: 0.8rem; margin-top: 6px; }
.formulario .dos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.formulario button { margin-top: 28px; border: 0; cursor: pointer; font-family: inherit; }
.formulario .error { color: #fca5a5; font-size: 0.85rem; margin-top: 14px; min-height: 1.2em; }
.otra { margin-top: 22px; font-size: 0.88rem; color: var(--muted2); }
.otra a, .aula p a { color: #a5b4fc; }
.avance { color: var(--muted2); font-size: 0.86rem; margin: 6px 0 0; }
@media (max-width: 560px) { .formulario .dos { grid-template-columns: 1fr; } .cursos a { flex-direction: column; gap: 6px; } }
.aviso-prueba { position: fixed; bottom: 0; left: 0; right: 0; z-index: 300; background: #3b2f0b; color: #fde68a; font-size: 0.8rem; text-align: center; padding: 6px 12px; }
.videos { list-style: none; margin: 10px 0 0; border-top: 1px solid var(--border2); }
.videos li { border-bottom: 1px solid var(--border); }
.videos button { all: unset; box-sizing: border-box; cursor: pointer; display: flex; gap: 14px; align-items: baseline; width: 100%; padding: 13px 4px; color: var(--text); font-size: 0.95rem; }
.videos button:hover, .videos button:focus-visible { background: var(--surface); }
.videos .clase { flex-shrink: 0; width: 64px; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted2); }
.videos .clase.trabajo { color: #86efac; }
.videos li.activo button { color: #a5b4fc; }
.reproductor { margin: 14px 0 6px; }
.reproductor video { width: 100%; border-radius: var(--r); border: 1px solid var(--border2); background: #000; display: block; }
.reproductor p { color: var(--muted); font-size: 0.86rem; margin: 8px 2px 0; }
.cerrado { color: var(--muted2); font-size: 0.9rem; margin: 10px 2px 0; }
.privacidad { color: var(--muted2); font-size: 0.78rem; margin-top: 18px; max-width: 520px; }
@media (max-width: 760px) {
  .nav-links { display: flex !important; gap: 14px; flex: 1; margin-left: 14px; }
  .nav-links a { font-size: 0.8rem; }
  .nav-right, .nav-right .btn-nav { display: inline-flex !important; }
  .nav-right .btn-nav { padding: 8px 12px; font-size: 0.8rem; }
  .aula-page { padding-bottom: 60px; }
}