.lesson-header-primary{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:nowrap;
  min-width:0;
}

.lesson-header-primary .back-link{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 2px;
  font-size:.82rem;
  font-weight:700;
}

.lesson-outline-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:0;
  min-height:34px;
  border:1px solid rgba(15,23,42,.12);
  background:#fff;
  color:#0f172a;
  border-radius:999px;
  padding:6px 11px;
  font:inherit;
  font-size:.82rem;
  font-weight:750;
  line-height:1;
  cursor:pointer;
  box-shadow:0 4px 14px rgba(15,23,42,.04);
}

.lesson-outline-toggle:hover,
.lesson-outline-toggle:focus-visible{
  border-color:rgba(13,148,136,.35);
  background:#f8fffe;
  outline:none;
}




@media (max-width: 640px){
  .lesson-header-primary{
    gap:6px;
  }

  .lesson-header-primary .back-link{
    min-height:30px;
    font-size:.77rem;
  }

  .lesson-outline-toggle{
    min-height:30px;
    padding:5px 10px;
    font-size:.77rem;
  }
}

body.course-outline-open{
  overflow:hidden;
}

.course-outline-backdrop{
  position:fixed;
  inset:0;
  background:rgba(15,23,42,.34);
  backdrop-filter:blur(1px);
  z-index:48;
}

.course-outline-drawer{
  position:fixed;
  inset:0 auto 0 0;
  width:min(480px, 92vw);
  height:100dvh;
  background:#f8fafc;
  color:#0f172a;
  box-shadow:24px 0 70px rgba(15,23,42,.20);
  transform:translateX(-102%);
  transition:transform .22s ease;
  z-index:49;
  display:grid;
  grid-template-rows:auto minmax(0,1fr) auto;
  overflow:hidden;
}

.course-outline-drawer.is-open{
  transform:translateX(0);
}

.course-outline-drawer__head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:18px;
  padding:20px 20px 16px;
  border-bottom:1px solid rgba(15,23,42,.08);
  background:#fff;
}

.course-outline-drawer__head h2{
  margin:3px 0 5px;
  font-size:1.28rem;
  line-height:1.15;
}

.course-outline-drawer__head p{
  margin:0;
  max-width:340px;
  font-size:.9rem;
  line-height:1.4;
  color:#64748b;
}

.course-outline-drawer__eyebrow{
  display:inline-block;
  font-size:.69rem;
  font-weight:850;
  letter-spacing:.10em;
  color:#0f766e;
}

.course-outline-drawer__close{
  flex:0 0 36px;
  border:0;
  background:#e2e8f0;
  color:#0f172a;
  width:36px;
  height:36px;
  border-radius:999px;
  font-size:1.35rem;
  line-height:1;
  cursor:pointer;
}

.course-outline-drawer__body{
  min-height:0;
  overflow:auto;
  padding:12px;
  overscroll-behavior:contain;
}

.course-outline-drawer__foot{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:12px 16px;
  border-top:1px solid rgba(15,23,42,.08);
  background:#fff;
  font-size:.8rem;
}

.course-outline-drawer__foot a{
  color:#0f766e;
  font-weight:800;
  text-decoration:none;
}

.course-outline-drawer__foot span{
  color:#64748b;
  text-align:right;
}

.course-outline-stage{
  margin:0 0 10px;
  border:1px solid rgba(148,163,184,.28);
  border-radius:16px;
  background:#fff;
  overflow:hidden;
}

.course-outline-stage:last-child{
  margin-bottom:0;
}

.course-outline-stage > summary,
.course-outline-module > summary{
  list-style:none;
  cursor:pointer;
}

.course-outline-stage > summary::-webkit-details-marker,
.course-outline-module > summary::-webkit-details-marker{
  display:none;
}

.course-outline-stage > summary{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto 18px;
  align-items:center;
  gap:10px;
  min-height:58px;
  padding:10px 12px;
  background:#fff;
}

.course-outline-stage.is-current-stage > summary{
  background:linear-gradient(90deg,#ecfeff 0%,#fff 72%);
}

.course-outline-stage__identity{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}

.course-outline-stage__number{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 34px;
  width:34px;
  height:34px;
  border-radius:11px;
  background:#e2e8f0;
  color:#334155;
  font-weight:850;
}

.course-outline-stage.is-current-stage .course-outline-stage__number{
  background:#0f766e;
  color:#fff;
}

.course-outline-stage__identity span:last-child{
  min-width:0;
}

.course-outline-stage__identity small{
  display:block;
  margin-bottom:2px;
  color:#64748b;
  font-size:.67rem;
  font-weight:750;
  text-transform:uppercase;
  letter-spacing:.05em;
}

.course-outline-stage__identity strong{
  display:block;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  font-size:.95rem;
}

.course-outline-stage__progress{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  padding:5px 8px;
  border-radius:999px;
  background:#f1f5f9;
  color:#475569;
  font-size:.76rem;
  font-weight:800;
}

.course-outline-chevron{
  color:#64748b;
  transition:transform .18s ease;
  transform-origin:center;
  text-align:center;
}

.course-outline-stage[open] > summary .course-outline-chevron,
.course-outline-module[open] > summary .course-outline-chevron{
  transform:rotate(180deg);
}

.course-outline-stage__modules{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:0 8px 8px;
  border-top:1px solid rgba(148,163,184,.18);
  background:#f8fafc;
}

.course-outline-module{
  margin-top:7px;
  border:1px solid transparent;
  border-radius:12px;
  background:#fff;
  overflow:hidden;
}

.course-outline-module.is-current-module{
  border-color:rgba(13,148,136,.42);
  box-shadow:0 0 0 2px rgba(13,148,136,.07);
}

.course-outline-module > summary{
  display:grid;
  grid-template-columns:44px minmax(0,1fr) auto 16px;
  align-items:center;
  gap:8px;
  min-height:48px;
  padding:7px 10px;
}

.course-outline-module.is-current-module > summary{
  background:#f0fdfa;
}

.course-outline-module__code{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:40px;
  padding:5px 6px;
  border-radius:9px;
  background:#e2e8f0;
  color:#334155;
  font-size:.67rem;
  font-weight:850;
  letter-spacing:.03em;
}

.course-outline-module.is-current-module .course-outline-module__code{
  background:#0f766e;
  color:#fff;
}

.course-outline-module__title{
  min-width:0;
  display:-webkit-box;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
  overflow:hidden;
  font-size:.88rem;
  font-weight:750;
  line-height:1.25;
}

.course-outline-module__progress{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:38px;
  padding:4px 7px;
  border-radius:999px;
  background:#f1f5f9;
  color:#475569;
  font-size:.72rem;
  font-weight:850;
}

.course-outline-module__progress.is-complete{
  min-width:28px;
  background:#dcfce7;
  color:#15803d;
}

.course-outline-module__lessons{
  padding:4px 7px 8px;
  display:flex;
  flex-direction:column;
  gap:5px;
  background:#fff;
}

.course-outline-lesson{
  display:grid;
  grid-template-columns:10px minmax(0,1fr) auto;
  align-items:center;
  gap:9px;
  min-height:42px;
  padding:8px 9px;
  border:1px solid rgba(148,163,184,.18);
  border-radius:10px;
  background:#fff;
  color:#0f172a;
  text-decoration:none;
}

.course-outline-lesson:hover{
  border-color:rgba(13,148,136,.32);
  background:#f8fffe;
}

.course-outline-lesson.is-current{
  border-color:#0d9488;
  background:#ecfeff;
  box-shadow:0 0 0 2px rgba(13,148,136,.08);
}

.course-outline-lesson.is-complete:not(.is-current){
  background:#f7fef9;
}

.course-outline-lesson.is-locked{
  color:#64748b;
  background:#f8fafc;
}

.course-outline-lesson__state{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#cbd5e1;
}

.course-outline-lesson.is-complete .course-outline-lesson__state{
  background:#16a34a;
}

.course-outline-lesson.is-progress .course-outline-lesson__state,
.course-outline-lesson.is-current .course-outline-lesson__state{
  background:#0d9488;
}

.course-outline-lesson__title{
  min-width:0;
  display:-webkit-box;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
  overflow:hidden;
  font-size:.83rem;
  line-height:1.25;
}

.course-outline-lesson__meta{
  font-size:.72rem;
  font-weight:800;
  color:#64748b;
  white-space:nowrap;
}

/* Pantalla de transición entre módulos */
.module-break-page{
  display:flex;
  flex-direction:column;
  gap:24px;
}

.module-break-hero{
  padding:34px;
  border-radius:28px;
  background:linear-gradient(135deg,#ecfeff 0%,#ffffff 55%,#f8fafc 100%);
  border:1px solid rgba(13,148,136,.16);
  box-shadow:0 22px 50px rgba(15,23,42,.08);
}

.module-break-hero__top{
  display:flex;
  justify-content:space-between;
  gap:18px;
  align-items:flex-start;
  flex-wrap:wrap;
}

.module-break-hero h1{
  margin:.35rem 0 .7rem;
  font-size:clamp(2rem,3vw,2.8rem);
  line-height:1.08;
}

.module-break-hero p{
  margin:0;
  max-width:760px;
  color:#334155;
  font-size:1.05rem;
}

.module-break-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:#0f766e;
  color:#fff;
  font-weight:800;
  font-size:.88rem;
  letter-spacing:.04em;
  text-transform:uppercase;
}

.module-break-progress{
  min-width:180px;
  padding:18px 20px;
  background:#fff;
  border-radius:20px;
  border:1px solid rgba(15,23,42,.08);
  text-align:right;
}

.module-break-progress strong{
  display:block;
  font-size:2rem;
  line-height:1;
}

.module-break-progress span,
.module-break-progress small{
  display:block;
  color:#475569;
}

.module-break-grid{
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:22px;
}

.module-break-card{
  background:#fff;
  border:1px solid rgba(15,23,42,.08);
  border-radius:24px;
  padding:24px;
  box-shadow:0 18px 40px rgba(15,23,42,.05);
}

.module-break-card h2,
.module-break-card h3{
  margin:0 0 10px;
}

.module-break-card p{
  margin:0;
  color:#475569;
}

.module-break-next{
  display:flex;
  flex-direction:column;
  gap:16px;
}

.module-break-next__pill{
  display:inline-flex;
  width:max-content;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border-radius:999px;
  background:#ecfeff;
  color:#0f766e;
  font-weight:700;
  font-size:.82rem;
}

.module-break-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:8px;
}

.module-break-info-bubble{
  margin-top:18px;
  border-radius:18px;
  background:#f8fafc;
  border:1px solid rgba(148,163,184,.28);
  padding:16px 18px;
}

.module-break-info-bubble strong{
  display:block;
  margin-bottom:6px;
  color:#0f172a;
}

.module-break-outline-list{
  margin:14px 0 0;
  padding:0;
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.module-break-outline-list li{
  display:flex;
  justify-content:space-between;
  gap:14px;
  padding:12px 14px;
  border-radius:16px;
  background:#f8fafc;
  border:1px solid rgba(148,163,184,.22);
}

.module-break-outline-list small{
  color:#475569;
}

.module-break-summary{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin-top:18px;
}

.module-break-stat{
  padding:16px;
  border-radius:18px;
  background:#f8fafc;
  border:1px solid rgba(148,163,184,.2);
}

.module-break-stat strong{
  display:block;
  font-size:1.45rem;
}

.module-break-stat span{
  display:block;
  color:#475569;
  font-size:.92rem;
}

@media (max-width: 980px){
  .module-break-grid{grid-template-columns:1fr;}
  .module-break-progress{text-align:left;}
}

@media (max-width: 640px){
  .course-outline-drawer{
    width:100vw;
    max-width:none;
  }

  .course-outline-drawer__head{
    padding:16px 15px 13px;
  }

  .course-outline-drawer__head p{
    font-size:.82rem;
  }

  .course-outline-drawer__body{
    padding:9px;
  }

  .course-outline-drawer__foot{
    padding:10px 12px;
    font-size:.73rem;
  }

  .course-outline-stage > summary{
    min-height:54px;
    padding:8px 10px;
  }

  .course-outline-stage__number{
    width:31px;
    height:31px;
    flex-basis:31px;
  }

  .course-outline-module > summary{
    grid-template-columns:40px minmax(0,1fr) auto 14px;
    min-height:46px;
    padding:6px 8px;
  }

  .course-outline-module__title{
    font-size:.83rem;
  }

  .course-outline-lesson{
    padding:7px 8px;
  }

  .module-break-hero{
    padding:24px;
  }

  .module-break-summary{
    grid-template-columns:1fr;
  }
}


/* v1.2 - Cierre de módulo en flujo vertical: acción principal, reflexión opcional y navegación secundaria. */
.module-break-next--primary{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(260px,360px);
  align-items:center;
  gap:28px;
  padding:28px 30px;
}

.module-break-next__copy{
  min-width:0;
}

.module-break-next__copy h2{
  margin:8px 0 8px;
}

.module-break-next__lesson{
  margin-top:12px !important;
  font-size:.94rem;
  color:#334155 !important;
}

.module-break-primary-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:58px;
  width:100%;
  text-align:center;
  font-size:1.02rem;
  font-weight:800;
  box-shadow:0 14px 30px rgba(37,99,235,.18);
}

.module-break-optional{
  display:grid;
  grid-template-columns:54px minmax(0,1fr);
  gap:18px;
  align-items:start;
  border-color:rgba(37,99,235,.16);
  background:linear-gradient(135deg,#f8fbff 0%,#ffffff 70%);
}

.module-break-optional__icon{
  width:52px;
  height:52px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#dbeafe;
  font-size:1.45rem;
}

.module-break-optional__kicker{
  display:inline-flex;
  width:max-content;
  margin-bottom:6px;
  padding:4px 9px;
  border-radius:999px;
  background:#dbeafe;
  color:#1d4ed8;
  font-size:.75rem;
  font-weight:850;
  letter-spacing:.04em;
  text-transform:uppercase;
}

.module-break-optional h2{
  margin:0 0 8px;
}

.module-break-optional p{
  max-width:900px;
  font-size:1rem;
  line-height:1.55;
}

.module-break-optional .module-break-info-bubble{
  max-width:900px;
  margin-top:16px;
  background:#fff;
}

.module-break-secondary-nav{
  display:flex;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  padding:2px 0 12px;
}

@media (max-width: 820px){
  .module-break-next--primary{
    grid-template-columns:1fr;
    gap:20px;
  }

  .module-break-primary-cta{
    min-height:54px;
  }
}

@media (max-width: 640px){
  .module-break-next--primary,
  .module-break-optional{
    padding:20px;
  }

  .module-break-optional{
    grid-template-columns:1fr;
    gap:12px;
  }

  .module-break-optional__icon{
    width:44px;
    height:44px;
    border-radius:14px;
    font-size:1.2rem;
  }

  .module-break-secondary-nav{
    align-items:stretch;
  }

  .module-break-secondary-nav .btn,
  .module-break-secondary-nav .lesson-outline-toggle{
    width:100%;
    justify-content:center;
    text-align:center;
  }
}