/* Learning uses the site's own type and brand palette; the lesson is the visual focus. */
.learning-page { --learn-accent: #5145cd; --learn-wash: #eeecfb; background: #f7f8fa; }
.learning-page section { padding: 0; border: 0; }
.learning-page [hidden] { display: none !important; }
.learn-shell { width: min(1496px, 100%); margin: auto; padding: 26px 36px 60px; }
.learn-shell :is(a, button, input, summary):focus-visible { outline: 3px solid #7768e6; outline-offset: 4px; }
.learn-shell :is(button, input) { font: inherit; }
.learn-shell button { cursor: pointer; }
.learn-shell svg { flex: none; width: 22px; height: 22px; }
.learn-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.learn-heading h1 { font-size: 28px; font-weight: 600; letter-spacing: -.035em; margin: 0 0 8px; }
.learn-heading > div > p { color: #5a6475; font-size: 14px; margin: 0; max-width: 72ch; }
.learn-progress { min-width: 0; padding: 0 18px 14px; }
.learn-progress-label { display: flex; justify-content: space-between; gap: 20px; font-size: 12px; color: #5a6475; margin-bottom: 8px; }
.learn-progress-label span { max-width: 150px; }
.learn-progress-label strong { color: #37305f; font-weight: 600; white-space: nowrap; }
.learn-progress progress { display: block; width: 100%; height: 5px; border: 0; background: #e4e3ec; border-radius: 8px; overflow: hidden; accent-color: var(--learn-accent); }
.learn-progress progress::-webkit-progress-bar { background: #e4e3ec; }
.learn-progress progress::-webkit-progress-value { background: var(--learn-accent); border-radius: 8px; }
.learn-progress progress::-moz-progress-bar { background: var(--learn-accent); }
.learn-resume { display: inline-block; margin-top: 9px; font-size: 13px; font-weight: 500; text-decoration: none; color: var(--learn-accent); }
.learn-workspace { display: grid; grid-template-columns: 240px minmax(0, 1fr) 240px; gap: 28px; align-items: start; }
.learn-syllabus { grid-column: 1; grid-row: 1; position: sticky; top: 108px; background: #fff; border: 1px solid #e4e6ec; border-radius: 14px; overflow: hidden; }
.learn-syllabus-heading { display: flex; align-items: center; gap: 11px; padding: 19px 18px 14px; }
.learn-course-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--learn-wash); color: var(--learn-accent); flex: none; display: grid; place-items: center; }
.learn-syllabus h2 { font: 600 15px/1.4 var(--sans); letter-spacing: 0; margin: 0 0 5px; }
.learn-syllabus-heading div > span { color: #6b7280; font-size: 12px; }
.learn-lesson-list { margin: 0; padding: 10px; list-style: none; }
.learn-lesson-list li + li { margin-top: 4px; }
.learn-lesson-list a { position: relative; display: flex; gap: 11px; align-items: flex-start; padding: 11px 10px; border-radius: 9px; text-decoration: none; border: 1px solid transparent; }
.learn-lesson-list a:hover { background: #f6f6fa; }
.learn-lesson-list a[aria-current] { background: #f0eefc; border-color: #ddd7fb; }
.learn-lesson-number { width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid #dde0e7; border-radius: 50%; font-size: 12px; color: #586273; flex: none; margin-top: 1px; }
.learn-lesson-list a[aria-current] .learn-lesson-number { color: #fff; border-color: var(--learn-accent); background: var(--learn-accent); }
.learn-lesson-list a[data-completed="true"] .learn-lesson-number { color: #14634d; border-color: #b3ddce; background: #e2f2eb; }
.learn-lesson-copy { display: flex; flex-direction: column; min-width: 0; }
.learn-lesson-copy strong { font-size: 14px; line-height: 1.35; font-weight: 500; padding-top: 3px; }
.learn-lesson-copy > span { margin-top: 4px; font-size: 11px; color: #6b7280; }
.learn-lesson-copy small { font-size: 11px; color: #697282; margin-top: 3px; }
.learn-lesson-list a[data-completed="true"] small { color: #14634d; }
.learn-now { color: var(--learn-accent); margin-left: auto; font-size: 19px; line-height: 1.5; }
.learn-session { display: flex; align-items: flex-start; gap: 10px; padding: 18px; border-top: 1px solid #eef0f3; }
.learn-session svg { width: 18px; height: 18px; color: #7a8290; margin-top: 2px; }
.learn-session p { color: #626d7d; font-size: 11px; line-height: 1.55; margin: 0; }
.learn-main { grid-column: 2; grid-row: 1; min-width: 0; outline: none; }
.learn-player { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #172033; border-radius: 14px; isolation: isolate; }
.learn-player video, .learn-guide-poster { display: block; width: 100%; height: 100%; object-fit: contain; }
.learn-play { position: absolute; inset: 0 0 48px; width: 100%; border: 0; color: white; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; background: linear-gradient(0deg, rgba(8, 12, 25, .55), rgba(8, 12, 25, .05)); font-size: 14px !important; font-weight: 500 !important; text-shadow: 0 1px 6px #000; }
.learn-play-icon { width: 66px; height: 66px; background: rgba(255,255,255,.96); color: #393165; border-radius: 50%; display: grid; place-items: center; box-shadow: 0 4px 36px #1115; }
.learn-play-icon svg { width: 31px; height: 31px; }
.learn-play:hover .learn-play-icon { background: #eeecff; }
.learn-guide-poster { opacity: .2; filter: blur(1px); object-fit: cover; }
.learn-guide-overlay { position: absolute; inset: 0; padding: 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; text-align: center; background: #141c3022; }
.learn-guide-symbol { color: #c7bffb; margin-bottom: 12px; }
.learn-guide-symbol svg { width: 32px; height: 32px; }
.learn-guide-overlay strong { font: 600 clamp(17px, 1.5vw, 22px)/1.2 var(--display); }
.learn-guide-overlay p { max-width: 40ch; font-size: 13px; line-height: 1.5; color: #d0d5df; margin: 10px 0 16px; }
.learn-guide-overlay a { color: #fff; font-size: 13px; text-underline-offset: 5px; }
.learn-video-note { margin: 9px 2px 0; font-size: 11px; line-height: 1.5; color: #6b7280; }
.learn-lesson-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 16px; }
.learn-meta { display: flex; gap: 9px; align-items: center; font-size: 12px; color: #6b6687; margin: 0 0 8px; }
.learn-meta span { color: #aaa4bc; }
.learn-lesson-heading h2 { font: 600 clamp(24px, 2.2vw, 30px)/1.2 var(--display); letter-spacing: -.035em; margin: 0; }
.learn-complete { display: flex; gap: 7px; align-items: center; justify-content: center; background: #fff; border: 1px solid #d8d9e3; color: #484360; padding: 9px 12px; border-radius: 8px; font-size: 12px !important; font-weight: 500 !important; flex: none; max-width: 180px; min-height: 42px; }
.learn-complete svg { width: 17px; height: 17px; }
.learn-complete:hover { border-color: #8e83cc; }
.learn-complete[aria-pressed="true"] { color: #677181; background: transparent; border-color: transparent; padding-inline: 4px; text-decoration: underline; text-underline-offset: 3px; font-size: 11px !important; }
.learn-summary { margin: 15px 0 24px; font-size: 15px; line-height: 1.65; color: #536071; max-width: 72ch; }
.learn-section-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px; padding: 12px 0; margin-bottom: 22px; border-block: 1px solid #e2e5ec; }
.learn-section-nav a { text-decoration: underline; text-decoration-color: #c1bbda; text-underline-offset: 4px; font-size: 13px; font-weight: 500; padding: 4px 0; color: #544d76; }
.learn-section-nav > span { color: #687180; font-size: 12px; }
.learn-section-nav a:hover { color: var(--learn-accent); }
.learn-guide section + section { margin-top: 23px; }
.learn-guide h3 { font-size: 16px; font-weight: 600; margin: 0 0 9px; letter-spacing: -.01em; }
.learn-guide p { color: #536071; margin: 0; line-height: 1.75; font-size: 14px; max-width: 76ch; }
.learn-screenshot { margin: 28px 0 0; }
.learn-screenshot [data-screenshot-open] { padding: 0; position: relative; border: 1px solid #dce1e9; border-radius: 10px; overflow: hidden; background: #fff; width: 100%; text-align: left; text-decoration: none; display: block; }
.learn-screenshot img { width: 100%; height: auto; }
.learn-screenshot [data-screenshot-open] > span { position: absolute; bottom: 10px; right: 10px; padding: 7px 10px; background: #fff; border: 1px solid #e0e3ea; box-shadow: 0 2px 10px #0001; display: flex; align-items: center; gap: 7px; font-size: 11px; border-radius: 6px; }
.learn-screenshot svg { width: 15px; height: 15px; }
.learn-screenshot figcaption { color: #647080; font-size: 11px; margin: 8px 0 0; }
.learn-pagination { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-top: 30px; padding-top: 24px; border-top: 1px solid #e0e3e9; }
.learn-previous { display: flex; gap: 10px; align-items: center; font-size: 12px; text-decoration: none; }
.learn-next { margin-left: auto; display: flex; align-items: center; gap: 12px; background: var(--learn-accent); color: #fff; text-decoration: none; padding: 13px 17px; border-radius: 8px; max-width: 65%; font-size: 13px; font-weight: 500; min-height: 44px; }
.learn-next:hover { background: #4439b5; }
.learn-next small { display: block; color: #dfdcff; font-size: 11px; }
.learn-next strong { display: block; font-size: 13px; font-weight: 500; margin-top: 3px; }
.learn-next > span:last-child { font-size: 20px; }
.learn-path-end { font-size: 13px; color: #4a6260; margin: 0; max-width: 40ch; }
.learn-materials { grid-column: 3; grid-row: 1; display: grid; gap: 28px; }
.learn-materials h2 { font: 600 15px/1.35 var(--sans); letter-spacing: 0; margin: 0 0 18px; }
.learn-objectives { background: #fff; padding: 22px 20px !important; border: 1px solid #e4e6ec !important; border-radius: 14px; }
.learn-objectives ul { padding: 0; margin: 0; list-style: none; display: grid; gap: 16px; }
.learn-objectives li { display: flex; align-items: flex-start; gap: 9px; font-size: 13px; color: #526072; line-height: 1.55; }
.learn-objectives svg { width: 17px; height: 17px; color: #7769bf; margin-top: 2px; }
.learn-resource-list { padding: 0 2px !important; }
.learn-resource { display: flex; align-items: flex-start; gap: 10px; padding: 15px 0; border-top: 1px solid #e3e6ed; text-decoration: none; }
.learn-resource > svg { width: 20px; height: 20px; color: #7a7299; }
.learn-resource > span:not(:last-child) { flex: 1; min-width: 0; }
.learn-resource strong { display: block; font-size: 12px; font-weight: 500; line-height: 1.4; }
.learn-resource small { display: block; font-size: 11px; color: #707988; line-height: 1.5; margin-top: 5px; }
.learn-resource > span:last-child { color: #7f7994; }
.learn-resource:hover strong { color: var(--learn-accent); text-decoration: underline; text-underline-offset: 3px; }
.learn-practice { background: #eeeef6; border-radius: 12px; padding: 18px 20px !important; }

.learn-practice h2 { margin-bottom: 12px; }
.learn-practice p { margin: 0; font-size: 13px; line-height: 1.65; color: #525b70; }

.learn-library { margin-top: 56px; padding-top: 34px !important; border-top: 1px solid #dde1e9 !important; }
.learn-library-heading { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 24px; }
.learn-library h2 { font: 600 27px/1.2 var(--display); letter-spacing: -.03em; margin: 0 0 8px; }
.learn-library-heading p { font-size: 14px; color: #687180; margin: 0; }
.learn-search { display: flex; gap: 9px; align-items: center; background: #fff; border: 1px solid #dce1e9; border-radius: 8px; padding: 9px 12px; }
.learn-search svg { width: 18px; height: 18px; color: #737b89; }
.learn-search input { width: 210px; border: 0; background: transparent; font-size: 13px; color: #374151; min-height: 26px; }
.learn-cards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 20px; }
.learn-card { min-width: 0; text-decoration: none; }
.learn-card-image { aspect-ratio: 16/10; border: 1px solid #e1e4ec; position: relative; overflow: hidden; background: #e7e9f2; border-radius: 10px; }
.learn-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .18s ease; }
.learn-card:hover img { transform: scale(1.035); }
.learn-card-type { position: absolute; bottom: 9px; left: 9px; background: #fffffff5; border-radius: 4px; padding: 4px 6px; color: #41485b; font-size: 10px; max-width: calc(100% - 50px); }
.learn-card-action { position: absolute; bottom: 9px; right: 9px; width: 25px; height: 25px; background: #fff; color: #4c456e; border-radius: 50%; display: grid; place-items: center; font-size: 12px; }
.learn-card h3 { font-size: 16px; font-weight: 500; line-height: 1.35; margin: 6px 0 8px; }
.learn-card > p { font-size: 12px; line-height: 1.6; color: #687180; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.learn-card .learn-card-number { font-size: 11px; color: #7c719a; margin-top: 15px; }
.learn-card[aria-current] .learn-card-image { border: 2px solid #8c7dde; }
.learn-search-empty { color: #697282; font-size: 14px; padding: 20px; background: #fff; border-radius: 10px; }
.learn-image-dialog { width: min(1280px, 94vw); max-height: 90dvh; border: 1px solid #dfe2e9; border-radius: 14px; padding: 44px 14px 14px; background: #fff; }
.learn-image-dialog::backdrop { background: #0f172ad9; backdrop-filter: blur(4px); }
.learn-image-dialog button { position: absolute; top: 4px; right: 7px; width: 36px; height: 36px; border: 0; background: #f1f2f6; border-radius: 50%; font-size: 24px; }
.learn-image-dialog img { width: 100%; max-height: calc(90dvh - 115px); object-fit: contain; }
.learn-image-dialog p { margin: 12px 4px 0; color: #5d6878; font-size: 13px; }
.learn-notice { background: #eeeaf7; padding: 12px 16px; font-size: 13px; border-radius: 8px; }
.learn-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.learn-skip { position: fixed; top: 8px; left: 16px; z-index: 50; padding: 12px; background: #fff; border: 2px solid var(--learn-accent); border-radius: 8px; transform: translateY(-180%); }
.learn-skip:focus { transform: none; }

.learn-duration { display: inline-flex; gap: 6px; align-items: center; flex: none; color: #626a7c; font-size: 13px; padding: 6px 9px; border-radius: 7px; background: #edeef4; }
.learn-duration svg { width: 15px; height: 15px; }
.learn-actions { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 0; border-bottom: 1px solid #e2e5ec; }
.learn-action-state { display: flex; align-items: center; flex-wrap: wrap; gap: 2px 12px; min-width: 0; }
.learn-completed-status { display: flex; align-items: center; gap: 5px; font-size: 13px; font-weight: 500; color: #14634d; }
.learn-completed-status svg { width: 18px; height: 18px; }
.learn-next-link { margin-left: auto; display: flex; align-items: center; gap: 10px; color: var(--learn-accent); font-size: 13px; text-decoration: none; }
.learn-next-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.learn-checklist { border: 1px solid #dfe2eb; background: #fff; border-radius: 9px; margin-bottom: 9px; }
.learn-checklist summary, .learn-mobile-lessons > summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 10px; cursor: pointer; font-size: 13px; font-weight: 500; padding: 13px; }
.learn-checklist summary::-webkit-details-marker, .learn-mobile-lessons > summary::-webkit-details-marker { display: none; }
.learn-checklist summary svg, .learn-mobile-lessons > summary svg { width: 18px; height: 18px; color: #746c91; }
.learn-checklist[open] > summary svg, .learn-mobile-lessons[open] > summary svg { transform: rotate(180deg); }
.learn-checklist[open] > summary { border-bottom: 1px solid #eef0f4; }
.learn-checklist-content { padding: 0 13px 14px; }
.learn-checklist-count { font-size: 11px; color: #6b6288; margin: 12px 0 8px; }
.learn-checklist ul { list-style: none; padding: 0; margin: 8px 0; }
.learn-checklist li + li { border-top: 1px solid #eef0f3; }
.learn-checklist label { display: flex; gap: 9px; align-items: flex-start; cursor: pointer; padding: 11px 0; font-size: 12px; line-height: 1.6; color: #48546a; min-height: 44px; }
.learn-checklist input { width: 17px; height: 17px; margin: 2px 0 0; accent-color: var(--learn-accent); flex: none; }
.learn-checklist input:checked + span { color: #356752; }
.learn-checklist-note { font-size: 11px; line-height: 1.6; color: #687180; margin: 10px 0 0; }
.learn-checklist-download { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 12px; padding: 7px 0 15px; text-decoration: none; color: #625a7a; }
.learn-checklist-download:hover { text-decoration: underline; text-underline-offset: 3px; }
.learn-checklist-download svg { width: 15px; height: 15px; }
.learn-checklist-download > span { font-size: 10px; color: #6b7280; }
.learn-mobile-lessons { display: none; border: 1px solid #dfe2eb; border-radius: 9px; margin-bottom: 20px; background: #fff; }
.learn-mobile-lessons > summary { min-height: 48px; padding: 12px 15px; }
.learn-mobile-lessons .learn-progress { padding: 0 15px 8px; }
.learn-mobile-lessons .learn-lesson-list { border-top: 1px solid #eef0f3; }

@media (max-width: 1280px) {
  .learn-shell { padding: 24px 24px 60px; }
  .learn-workspace { grid-template-columns: 226px minmax(0, 1fr); gap: 24px; }
  .learn-materials { grid-column: 2; grid-row: 2; grid-template-columns: 1fr 1fr; gap: 24px; }
  .learn-practice { grid-column: 1 / -1; }
  .learn-cards { gap: 15px; }
}
@media (max-width: 850px) {
  .learn-heading { align-items: flex-start; gap: 24px; }
  .learn-workspace { grid-template-columns: minmax(0, 1fr); }
  .learn-main { grid-column: 1; grid-row: 1; }
  .learn-syllabus { display: none; }
  .learn-mobile-lessons { display: block; }
  .learn-materials { grid-column: 1; grid-row: 2; }
  .learn-syllabus-heading { padding: 18px; }
  .learn-lesson-list { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
  .learn-lesson-list li + li { margin: 0; }
  .learn-cards { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px 16px; }
  .learn-library-heading { align-items: flex-start; }
  .learn-search input { width: 160px; }
}
@media (max-width: 560px) {
  .learn-shell { padding: 22px 16px 40px; }
  .learn-heading { display: block; margin-bottom: 24px; }
  .learn-heading h1 { font-size: 25px; }
  .learn-heading > div > p { font-size: 14px; line-height: 1.6; }
  .learn-progress { margin: 0; }
  .learn-progress-label { display: flex; font-size: 11px; align-items: center; }
  .learn-progress-label span { max-width: none; }
  .learn-progress-label strong { margin: 0; }
  .learn-player { border-radius: 10px; }
  .learn-play-icon { width: 48px; height: 48px; }
  .learn-play { gap: 7px; font-size: 12px !important; }
  .learn-guide-overlay { padding: 12px; }
  .learn-guide-symbol { display: none; }
  .learn-guide-overlay p { margin: 7px 0 9px; font-size: 11px; max-width: 36ch; }
  .learn-guide-overlay a { font-size: 12px; }
  .learn-lesson-heading { gap: 12px; margin: 0 0 14px; }
  .learn-lesson-heading h2 { font-size: 25px; }
  .learn-meta { font-size: 11px; }
  .learn-complete { max-width: none; min-height: 44px; font-size: 13px !important; }
  .learn-section-nav { gap: 6px 15px; }
  .learn-section-nav > span { flex-basis: 100%; }
  .learn-section-nav a { font-size: 12px; }
  .learn-materials { grid-template-columns: minmax(0,1fr); }
  .learn-resource-list { padding: 0 4px !important; }
  .learn-resource { padding: 17px 0; }
  .learn-resource strong { font-size: 14px; }
  .learn-resource small { font-size: 12px; }

  .learn-lesson-list { grid-template-columns: minmax(0,1fr); }
  .learn-lesson-list a { padding: 10px 13px; }
  .learn-lesson-copy > span { margin-top: 5px; }
  .learn-lesson-copy small { display: inline; }
  .learn-pagination { align-items: stretch; gap: 12px; flex-direction: column; }
  .learn-previous { padding: 8px 0; }
  .learn-next { margin-left: 0; justify-content: center; max-width: none; width: 100%; }
  .learn-actions { flex-wrap: wrap; gap: 10px; }
  .learn-action-state { justify-content: space-between; width: 100%; }
  .learn-duration { font-size: 12px; padding: 5px 8px; }
  .learn-library { margin-top: 36px; }
  .learn-library-heading { display: block; }
  .learn-search { margin-top: 20px; }
  .learn-search input { width: 100%; }
  .learn-cards { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 23px 14px; }
  .learn-card h3 { font-size: 14px; }
  .learn-card > p { font-size: 11px; }
  .learn-card-type { font-size: 9px; bottom: 6px; left: 6px; }
  .learn-card-action { width: 21px; height: 21px; bottom: 6px; right: 6px; }
  .learn-screenshot [data-screenshot-open] > span { font-size: 10px; bottom: 6px; right: 6px; }
}
@media (prefers-reduced-motion: reduce) {
  html:has(.learning-page) { scroll-behavior: auto; }
  .learn-card-image img { transition: none; }
}

.learn-storage-notice { margin: 0 0 12px; color: #687180; font-size: 11px; line-height: 1.6; }