/* AMT Journal — Mentorías: catálogo, curso (alumno + panel de mentor) y reproductor de lección */
.crs { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.crs .page-head { margin-bottom: 6px; }

/* color de acento del curso (tokens de series) */
.crs-acc-c1 { --crs-accent: var(--c1); } .crs-acc-c2 { --crs-accent: var(--c2); } .crs-acc-c3 { --crs-accent: var(--c3); }
.crs-acc-c4 { --crs-accent: var(--c4); } .crs-acc-c5 { --crs-accent: var(--c5); } .crs-acc-c6 { --crs-accent: var(--c6); }

/* ---------- piezas compartidas ---------- */
.crs-loading { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 72px 0; font-size: 13px; color: var(--text-3); }
.crs-quiet { font-size: 12.5px; color: var(--text-3); }
.crs-count { font-size: 11px; color: var(--text-3); padding: 1px 6px; border-radius: var(--r-xs); background: rgba(255, 255, 255, .05); }
.crs-note {
  display: flex; align-items: flex-start; gap: 10px; padding: 10px 14px;
  border: 1px solid var(--line-soft); border-radius: var(--r-md); background: rgba(255, 255, 255, .018);
  font-size: 12.5px; line-height: 1.55; color: var(--text-3);
}
.crs-note .ic { flex: none; margin-top: 2px; }
.crs-back { align-self: flex-start; display: inline-flex; align-items: center; gap: 7px; max-width: 100%; font-size: 13px; font-weight: 500; color: var(--text-2); transition: color .14s; }
.crs-back:hover { color: var(--text); }
.crs-back .ic { flex: none; }
.crs-cap-first { display: inline-block; }
.crs-cap-first::first-letter { text-transform: uppercase; }
.crs-redeem-text { margin-bottom: 16px; line-height: 1.6; }
.crs-redeem-soon { margin-top: 14px; }

/* selector de moneda */
.crs-cur { display: inline-flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255, 255, 255, .025); }
.crs-cur button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 32px; padding: 0 12px;
  border-radius: 8px; font-size: 13px; font-weight: 600; color: var(--text-3); white-space: nowrap;
  transition: background .16s, color .16s;
}
.crs-cur button:hover { color: var(--text); }
.crs-cur button.is-active { background: rgba(255, 255, 255, .075); color: var(--text); box-shadow: inset 0 0 0 1px var(--line); }
.crs-cur-tag { font-size: 11.5px; font-weight: 500; color: var(--text-3); }
.crs-cur button.is-active .crs-cur-tag { color: var(--text-2); }

/* ---------- portada ---------- */
.crs-cover {
  position: relative; display: block; overflow: hidden;
  color: var(--crs-accent, var(--blue));
  background:
    radial-gradient(90% 130% at 84% 16%, color-mix(in srgb, var(--crs-accent, var(--blue)) 20%, transparent), transparent 62%),
    linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, 0) 70%),
    var(--inset);
}
.crs-cover::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 44px 44px; background-position: -1px -1px; opacity: .6;
}
.crs-art, .crs-cover-img { position: absolute; inset: 0; width: 100%; height: 100%; }
.crs-cover-img { object-fit: cover; }
.crs-card-cover { aspect-ratio: 16 / 6.4; border-bottom: 1px solid var(--line-soft); }
.crs-card-cover::after { content: ""; position: absolute; inset: auto 0 0 0; height: 50%; background: linear-gradient(180deg, rgba(5, 5, 5, 0), rgba(5, 5, 5, .7)); }
.crs-cover-count {
  position: absolute; left: 14px; bottom: 12px; z-index: 1;
  display: inline-flex; align-items: center; height: 24px; padding: 0 9px;
  border: 1px solid var(--line); border-radius: var(--r-sm); background: rgba(5, 5, 5, .62);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  font-size: 11.5px; font-weight: 500; color: var(--text-2);
}
.crs-cover-pills { position: absolute; top: 12px; right: 12px; z-index: 1; display: flex; gap: 6px; }
.crs-cover-pills .pill { background-color: var(--bg-2); }

/* ---------- catálogo ---------- */
.crs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr)); gap: 18px; }
.crs-card { display: flex; flex-direction: column; overflow: hidden; transition: border-color .16s; }
.crs-card:hover { border-color: var(--line-strong); }
.crs-card-body { flex: 1; display: flex; flex-direction: column; gap: 12px; min-width: 0; padding: 18px 20px; }
.crs-card-title { font-size: 18px; font-weight: 600; letter-spacing: -.02em; line-height: 1.25; overflow-wrap: anywhere; }
.crs-card-title a:hover { text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.crs-subtitle { font-size: 11.5px; font-weight: 600; letter-spacing: .09em; line-height: 1.45; text-transform: uppercase; color: var(--crs-accent, var(--blue)); overflow-wrap: anywhere; }
.crs-card-title + .crs-subtitle { margin-top: -6px; }
.crs-card-desc {
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden;
  font-size: 13.5px; line-height: 1.6; color: var(--text-2); overflow-wrap: anywhere;
}
.crs-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.crs-tags .tag { max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
.crs-stats { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line-soft); font-size: 12.5px; color: var(--text-2); }
.crs-stat { display: inline-flex; align-items: center; gap: 7px; min-width: 0; }
.crs-stat .ic { flex: none; color: var(--text-3); }
.crs-stat-text { min-width: 0; overflow-wrap: anywhere; }
.crs-card-prog { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-3); }
.crs-card-prog .meter { flex: 1; }
.crs-card-foot { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 14px 16px; padding: 16px 20px 18px; border-top: 1px solid var(--line-soft); }
.crs-price { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.crs-price-val { font-size: 24px; font-weight: 600; letter-spacing: -.035em; line-height: 1.15; white-space: nowrap; }
.crs-price-note { font-size: 12px; color: var(--text-3); }
.crs-access-val { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px 0 3px; }
.crs-card-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 8px; margin-left: auto; }
.crs-card-soon { flex-basis: 100%; margin-top: -4px; text-align: right; }

/* ---------- cabecera del curso ---------- */
.crs-hero { overflow: hidden; }
.crs-hero-top { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 24px; padding: 20px; }
.crs-hero-cover { align-self: start; aspect-ratio: 16 / 10; border: 1px solid var(--line-soft); border-radius: var(--r-md); }
.crs-hero-main { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.crs-hero-pills { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.crs-hero-pills:not(:has(*)) { display: none; }
.crs-hero-title { font-size: 24px; font-weight: 600; letter-spacing: -.03em; line-height: 1.2; overflow-wrap: anywhere; }
.crs-hero-title + .crs-subtitle { margin-top: -6px; }
.crs-hero-desc { max-width: 760px; font-size: 14px; line-height: 1.65; color: var(--text-2); white-space: pre-line; overflow-wrap: anywhere; }
.crs-mentors { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-top: 2px; }
.crs-mentor {
  display: inline-flex; align-items: center; gap: 8px; max-width: 100%; height: 30px; padding: 0 11px 0 4px;
  border: 1px solid var(--line-soft); border-radius: 30px; font-size: 12.5px; font-weight: 500; color: var(--text-2);
  transition: border-color .14s, color .14s;
}
a.crs-mentor:hover { border-color: var(--line-strong); color: var(--text); }
.crs-mentor-av { flex: none; width: 22px; height: 22px; font-size: 10.5px; }
.crs-hero-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; padding: 16px 20px; border-top: 1px solid var(--line-soft); }
.crs-facts { display: flex; flex-wrap: wrap; gap: 12px 32px; margin-right: auto; }
.crs-facts dd { margin-top: 3px; font-size: 18px; font-weight: 600; letter-spacing: -.02em; white-space: nowrap; }
.crs-hero-prog { flex: 0 1 260px; min-width: 190px; display: flex; flex-direction: column; gap: 8px; }
.crs-hero-prog-text { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 2px 12px; font-size: 12.5px; color: var(--text-2); }
.crs-hero-cta { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.crs-hero-cta-row { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }

/* ---------- panel de mentor ---------- */
.crs-panel {
  border-color: var(--blue-line);
  background: linear-gradient(180deg, rgba(31, 94, 255, .07), rgba(31, 94, 255, 0) 150px), var(--bg-1);
  box-shadow: 0 0 0 1px rgba(31, 94, 255, .06);
}
.crs-panel-head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 14px; padding: 16px 20px; border-bottom: 1px solid var(--line-soft); }
.crs-panel-ic { flex: none; width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--blue-line); border-radius: var(--r-md); background: var(--blue-soft); color: var(--blue); }
.crs-panel-titles { flex: 1; min-width: 180px; }
.crs-panel-title { font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.crs-panel-sub { margin-top: 2px; font-size: 12.5px; color: var(--text-3); }
.crs-panel-note { display: flex; align-items: center; gap: 8px; padding: 9px 20px; border-bottom: 1px solid var(--line-soft); font-size: 12.5px; color: var(--text-3); }
.crs-panel-note .ic { flex: none; }
.crs-panel-body { padding: 18px 20px 20px; }
.crs-panel-files { border-top: 1px solid var(--line-soft); }
.crs-sub-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; min-height: 28px; margin-bottom: 12px; }
.crs-sub-title { font-size: 13.5px; font-weight: 600; }
.crs-sub-tools { margin-left: auto; display: flex; gap: 8px; }
.crs-panel-empty {
  display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 22px 12px;
  border: 1px dashed var(--line); border-radius: var(--r-md); text-align: center; font-size: 12.5px; color: var(--text-3);
}
.crs-panel-empty b { font-size: 13px; font-weight: 600; color: var(--text-2); }

/* formularios en línea */
.crs-form { margin-bottom: 14px; padding: 16px; border: 1px solid var(--line-soft); border-radius: var(--r-md); background: rgba(255, 255, 255, .018); }
.crs-form-plain { margin: 0; padding: 0; border: none; background: none; }
.crs-form-title { margin-bottom: 14px; font-size: 13px; font-weight: 600; }
.crs-form-hint { margin-bottom: 14px; font-size: 12.5px; line-height: 1.55; color: var(--text-3); }
.crs-form-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.crs-textarea { min-height: 64px; }
.crs-social-label { display: inline-flex; align-items: center; gap: 7px; }
.crs-social-label .ic { color: var(--text-3); }
.crs-pick { display: flex; align-items: center; gap: 10px; min-width: 0; min-height: 36px; }
.crs-pick .btn { flex: none; }
.crs-pick-name { min-width: 0; font-size: 12.5px; color: var(--text-3); }

/* ---------- sesiones ---------- */
.crs-block { overflow: hidden; }
.crs-block > .card-head { padding-bottom: 12px; border-bottom: 1px solid var(--line-soft); }
.crs-sessions, .crs-files, .crs-lessons, .crs-outline-list ol { list-style: none; }
.crs-session { display: flex; align-items: flex-start; gap: 14px; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); }
.crs-sessions > .crs-session:last-child { border-bottom: none; }
.crs-session.is-live { background: linear-gradient(90deg, rgba(31, 94, 255, .08), rgba(31, 94, 255, 0) 60%); }
.crs-date {
  flex: none; width: 46px; height: 48px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: var(--r-md); background: rgba(255, 255, 255, .025); line-height: 1;
}
.crs-date b { font-size: 17px; font-weight: 600; letter-spacing: -.02em; }
.crs-date i { margin-top: 4px; font-style: normal; font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }
.crs-session.is-live .crs-date { border-color: var(--blue-line); background: var(--blue-soft); }
.crs-session.is-finished .crs-date b, .crs-session.is-finished .crs-session-title { color: var(--text-2); }
.crs-session-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.crs-session-title { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: 13.5px; font-weight: 600; line-height: 1.4; overflow-wrap: anywhere; }
.crs-session-title > span:first-child { min-width: 0; }
.crs-session-when { display: flex; flex-wrap: wrap; gap: 2px 10px; font-size: 12.5px; color: var(--text-2); }
.crs-session-rel { color: var(--text-3); }
.crs-session-desc { font-size: 12.5px; line-height: 1.55; color: var(--text-3); overflow-wrap: anywhere; }
.crs-session-link { display: flex; align-items: center; gap: 6px; min-width: 0; font-size: 12px; color: var(--text-3); }
.crs-session-link .ic { flex: none; }
.crs-session-actions { flex: none; align-self: center; display: flex; align-items: center; gap: 4px; }
.crs-sessions-manage, .crs-files-manage { border: 1px solid var(--line-soft); border-radius: var(--r-md); }
.crs-sessions-manage .crs-session { padding: 12px 14px; }
.crs-more {
  width: 100%; display: flex; align-items: center; gap: 8px; padding: 11px 18px;
  border-top: 1px solid var(--line-soft); font-size: 12.5px; font-weight: 500; color: var(--text-2); text-align: left;
  transition: background .14s, color .14s;
}
.crs-more:hover { background: var(--hover); color: var(--text); }
.crs-more .ic { color: var(--text-3); }
.crs-sessions-done { border-top: 1px solid var(--line-soft); }

/* ---------- archivos ---------- */
.crs-file { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--line-soft); }
.crs-files > .crs-file:last-child { border-bottom: none; }
.crs-files-manage .crs-file { padding: 10px 14px; }
.crs-file-ic { flex: none; width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--r-md); background: rgba(255, 255, 255, .025); color: var(--text-2); }
.crs-file-main { flex: 1; min-width: 0; }
.crs-file-title { font-size: 13.5px; font-weight: 500; overflow-wrap: anywhere; }
.crs-file-sub { margin-top: 1px; font-size: 12px; color: var(--text-3); overflow-wrap: anywhere; }
.crs-file-actions { flex: none; display: flex; align-items: center; gap: 4px; }

/* ---------- redes ---------- */
.crs-socials { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; padding: 16px 18px; }
.crs-socials-text { min-width: 0; }
.crs-social-list { display: flex; flex-wrap: wrap; gap: 8px; }
.crs-social { gap: 9px; }
.crs-social .ic-external { color: var(--text-3); }

.crs-divider { display: flex; align-items: center; gap: 14px; margin-top: 6px; }
.crs-divider::before, .crs-divider::after { content: ""; flex: 1; height: 1px; background: var(--line-soft); }
.crs-duo { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 16px; align-items: start; }
.crs-duo.is-single { grid-template-columns: minmax(0, 1fr); }

/* ---------- temario ---------- */
.crs-syllabus { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; scroll-margin-top: 16px; }
.crs-sec-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 12px; }
.crs-sec-title { font-size: 16px; font-weight: 600; letter-spacing: -.015em; }
.crs-module { overflow: hidden; }
.crs-module-head { width: 100%; display: flex; align-items: center; gap: 12px; padding: 14px 18px; text-align: left; transition: background .14s; }
.crs-module-head:hover { background: var(--hover); }
.crs-module-head > .ic { flex: none; color: var(--text-3); }
.crs-module-n { flex: none; width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--r-sm); font-size: 12px; font-weight: 600; color: var(--text-2); }
.crs-module-title { flex: 1; min-width: 0; font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.crs-module-prog { flex: none; padding: 2px 7px; border-radius: var(--r-xs); background: rgba(255, 255, 255, .05); font-size: 11.5px; font-weight: 600; color: var(--text-2); }
.crs-module-prog.is-done { background: var(--blue-soft); color: var(--blue); }
.crs-module-count { flex: none; font-size: 12px; color: var(--text-3); }
.crs-lessons { border-top: 1px solid var(--line-soft); }
.crs-lessons li + li { border-top: 1px solid var(--line-soft); }
.crs-lesson { width: 100%; display: flex; align-items: center; gap: 12px; min-height: 46px; padding: 9px 18px; text-align: left; font-size: 13.5px; color: var(--text); transition: background .12s; }
.crs-lesson:hover { background: rgba(255, 255, 255, .03); }
.crs-lesson-n { flex: none; width: 30px; font-size: 11.5px; color: var(--text-4); }
.crs-lesson-ic { flex: none; width: 18px; display: grid; place-items: center; color: var(--text-2); }
.crs-lesson-title { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.crs-lesson-tag { flex: none; }
.crs-lesson-min { flex: none; font-size: 12px; color: var(--text-3); }
.crs-lesson-go { flex: none; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; color: var(--text-3); transition: background .12s, color .12s; }
a.crs-lesson:hover .crs-lesson-go { background: var(--active); color: var(--text); }
.crs-lesson.is-done .crs-lesson-ic { color: var(--blue); }
.crs-lesson.is-done .crs-lesson-title { color: var(--text-2); }
.crs-lesson.is-locked { color: var(--text-3); }
.crs-lesson.is-locked .crs-lesson-ic, .crs-lesson.is-locked .crs-lesson-go { color: var(--text-4); }

/* ---------- reproductor de lección ---------- */
.crs-watch { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; }
.crs-watch-main { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.crs-stage { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--line-soft); border-radius: var(--r-lg); background: var(--inset); }
.crs-player { position: absolute; inset: 0; }
.crs-frame { display: block; width: 100%; height: 100%; border: 0; background: var(--inset); }
.crs-stage-box {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  padding: 24px; text-align: center;
  background: radial-gradient(60% 80% at 50% 42%, color-mix(in srgb, var(--crs-accent, var(--blue)) 9%, transparent), transparent 70%);
}
.crs-stage-ic { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 6px; border: 1px solid var(--line); border-radius: 50%; background: rgba(255, 255, 255, .03); color: var(--text-2); }
.crs-stage-box b { font-size: 14px; font-weight: 600; }
.crs-stage-box p { max-width: 400px; font-size: 13px; line-height: 1.6; color: var(--text-3); }
.crs-stage-box .tag { margin-top: 6px; }
.crs-watch-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; }
.crs-watch-title { margin-top: 8px; font-size: 22px; font-weight: 600; letter-spacing: -.03em; line-height: 1.25; overflow-wrap: anywhere; }
.crs-watch-module { margin-top: 4px; font-size: 13px; color: var(--text-3); overflow-wrap: anywhere; }
.crs-watch-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding-top: 16px; border-top: 1px solid var(--line-soft); }
.crs-watch-nav { display: flex; gap: 8px; margin-left: auto; }
.crs-done-btn { border-color: var(--blue-line); background: var(--blue-soft); }
.crs-done-btn:hover { border-color: var(--blue); background: var(--blue-soft); }
.crs-done-btn .ic { color: var(--blue); }
.crs-finish { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 14px; padding: 14px 16px; }
.crs-finish-ic { flex: none; width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--blue-line); border-radius: 50%; background: var(--blue-soft); color: var(--blue); }
.crs-finish-text { flex: 1; min-width: 200px; }
.crs-finish-text b { font-size: 13.5px; font-weight: 600; }
.crs-finish-text p { margin-top: 2px; font-size: 12.5px; line-height: 1.55; color: var(--text-3); overflow-wrap: anywhere; }

/* temario lateral */
.crs-outline { position: sticky; top: 0; display: flex; flex-direction: column; max-height: calc(100dvh - var(--topbar-h) - 56px); overflow: hidden; }
.crs-outline-head { flex: none; display: flex; flex-direction: column; gap: 9px; padding: 16px 16px 14px; border-bottom: 1px solid var(--line-soft); }
.crs-outline-course { font-size: 13.5px; font-weight: 600; line-height: 1.35; overflow-wrap: anywhere; }
.crs-outline-course:hover { text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.crs-outline-prog { display: flex; justify-content: space-between; gap: 10px; font-size: 12px; color: var(--text-2); }
.crs-outline-list { position: relative; flex: 1; min-height: 0; overflow-y: auto; padding: 4px 8px 10px; }
.crs-outline-mod { display: flex; flex-direction: column; gap: 2px; padding: 12px 8px 6px; }
.crs-outline-mod-title { font-size: 12.5px; font-weight: 600; color: var(--text-2); overflow-wrap: anywhere; }
.crs-ol { position: relative; width: 100%; display: flex; align-items: flex-start; gap: 9px; padding: 8px; border-radius: var(--r-sm); text-align: left; font-size: 13px; line-height: 1.4; color: var(--text-2); transition: background .12s, color .12s; }
.crs-ol:hover { background: var(--hover); color: var(--text); }
.crs-ol.is-current { background: var(--active); color: var(--text); }
.crs-ol.is-current::before { content: ""; position: absolute; left: -8px; top: 8px; bottom: 8px; width: 2px; border-radius: 0 2px 2px 0; background: var(--blue); }
.crs-ol-ic { flex: none; width: 18px; height: 18px; display: grid; place-items: center; color: var(--text-3); }
.crs-ol.is-current .crs-ol-ic { color: var(--text); }
.crs-ol.is-done .crs-ol-ic { color: var(--blue); }
.crs-ol-n { flex: none; width: 24px; padding-top: 1px; font-size: 11px; color: var(--text-4); }
.crs-ol-title { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.crs-ol.is-locked { color: var(--text-3); }
.crs-ol.is-locked .crs-ol-ic { color: var(--text-4); }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .crs-watch { grid-template-columns: minmax(0, 1fr); }
  .crs-outline { position: static; max-height: none; }
  .crs-outline-list { overflow: visible; }
  .crs-duo { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 860px) {
  .crs-hero-top { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .crs-hero-cover { aspect-ratio: 16 / 6.4; }
}
@media (max-width: 640px) {
  .crs .page-actions, .crs-cur { width: 100%; }
  .crs-cur button { flex: 1; padding: 0 8px; }
  .crs-card-body { padding: 16px; }
  .crs-card-foot { flex-direction: column; align-items: stretch; padding: 16px; }
  .crs-card-actions { margin-left: 0; }
  .crs-card-actions .btn { flex: 1 1 auto; }
  .crs-card-soon { margin-top: 0; text-align: left; }
  .crs-hero-top { padding: 16px; }
  .crs-hero-title { font-size: 21px; }
  .crs-hero-foot { padding: 16px; }
  .crs-facts { width: 100%; gap: 12px 24px; }
  .crs-hero-prog { flex: 1 1 100%; }
  .crs-hero-foot > .btn { flex: 1 1 100%; }
  .crs-hero-cta { width: 100%; align-items: stretch; }
  .crs-hero-cta-row .btn { flex: 1 1 auto; }
  .crs-panel-head, .crs-panel-body { padding-left: 16px; padding-right: 16px; }
  .crs-panel-note { padding-left: 16px; padding-right: 16px; align-items: flex-start; }
  .crs-panel-head .seg { width: 100%; }
  .crs-panel-head .seg button { flex: 1; }
  .crs-session { flex-wrap: wrap; padding: 14px 16px; }
  .crs-session-main { flex-basis: calc(100% - 60px); }
  .crs-session-actions { margin-left: 60px; }
  .crs-sessions-manage .crs-session-actions { margin-left: auto; }
  .crs-file { padding: 12px 16px; }
  .crs-file-dl { display: none; }
  .crs-module-head { padding: 13px 14px; gap: 10px; }
  .crs-module-count { display: none; }
  .crs-lesson { flex-wrap: wrap; gap: 6px 10px; padding: 10px 14px; }
  .crs-lesson-n { width: 26px; }
  .crs-lesson-title { flex-basis: calc(100% - 110px); }
  .crs-lesson-tag { order: 5; margin-left: 64px; }
  .crs-lesson-min { display: none; }
  .crs-watch-title { font-size: 19px; }
  .crs-watch-actions > .btn { flex: 1 1 100%; }
  .crs-watch-nav { width: 100%; }
  .crs-watch-nav .btn { flex: 1; }
}