/* Mithila Learn — course marketplace, player and instructor studio.
   Builds on core.css tokens; nothing here overrides global components. */

.eyebrow { font-size: .82rem; font-weight: 650; color: var(--pink-ink); letter-spacing: .01em; margin: 0 0 8px; }
.lead { font-size: 1.12rem; color: var(--ink-2); max-width: 60ch; }
.d-block { display: block; }
.pre-line { white-space: pre-line; }
.plain-list { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; }
.check-list .i-sm { color: var(--success); margin-top: 4px; }
.thumb-sm { border-radius: 6px; object-fit: cover; aspect-ratio: 16 / 9; width: 72px; flex: none; background: var(--bg-soft); }
.thumb-preview { border-radius: var(--r-sm); max-width: 280px; aspect-ratio: 16 / 9; object-fit: cover; margin-bottom: 8px; }
.link-row { color: var(--ink); text-decoration: none; }
.link-row:hover { background: var(--bg-soft); }
.avatar-xl { width: 96px; height: 96px; font-size: 1.8rem; }
.h4 { font-size: 1rem; }

/* ---------- Stars ---------- */
.stars { display: inline-flex; gap: 1px; font-size: .9em; line-height: 1; letter-spacing: 0; }
.star { color: var(--line-strong); }
.star.is-on { color: #E8A100; }
.star.is-half { background: linear-gradient(90deg, #E8A100 50%, var(--line-strong) 50%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rating-inline { display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; }
.rating-inline strong { color: #A86F00; }

/* ---------- Hero ---------- */
.learn-hero { background:
    radial-gradient(1200px 400px at 85% -10%, var(--pink-pale), transparent 70%),
    linear-gradient(180deg, var(--bg-soft), var(--bg)); border-bottom: 1px solid var(--line); }
.learn-hero-inner { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 48px; align-items: center; padding-top: clamp(28px, 5vw, 64px); padding-bottom: clamp(28px, 5vw, 64px); }
.learn-hero h1 { font-size: clamp(2rem, 1.3rem + 3vw, 3.4rem); letter-spacing: -.035em; max-width: 16ch; }
.hero-search { position: relative; display: flex; gap: 8px; margin-top: 22px; max-width: 560px; }
.hero-search > .i { position: absolute; left: 16px; top: 15px; color: var(--ink-3); pointer-events: none; }
.hero-search .input { padding-left: 46px; min-height: 52px; border-radius: var(--r-md); box-shadow: var(--shadow-2); border-color: transparent; }
.hero-search .btn { min-height: 52px; }
.learn-hero-card { display: block; background: var(--surface); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-3); text-decoration: none; color: var(--ink); transform: rotate(1.2deg); transition: transform .3s var(--ease); }
.learn-hero-card:hover { transform: rotate(0) translateY(-2px); }
.learn-hero-card img { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }
.learn-hero-card-body { padding: 16px 18px 18px; display: grid; gap: 6px; justify-items: start; }
.learn-hero-card-body strong { font-size: 1.1rem; line-height: 1.3; }
@media (max-width: 900px) { .learn-hero-inner { grid-template-columns: minmax(0, 1fr); } .learn-hero-card { transform: none; max-width: 520px; } }
@media (max-width: 640px) { .hero-search .btn { display: none; } .learn-hero-card { display: none; } }

/* ---------- Course cards ---------- */
.course-grid { --gap: 22px; }
.course-card { display: flex; flex-direction: column; height: 100%; text-decoration: none; color: var(--ink); border-radius: var(--r-md); }
.course-thumb { position: relative; aspect-ratio: 16 / 9; border-radius: var(--r-md); overflow: hidden; background: var(--bg-soft); border: 1px solid var(--line); }
.course-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s var(--ease); }
.course-card:hover .course-thumb img { transform: scale(1.035); }
.course-flag { position: absolute; left: 10px; top: 10px; background: var(--surface); color: var(--ink); font-size: .75rem; font-weight: 700; padding: 3px 9px; border-radius: 99px; box-shadow: var(--shadow-1); }
.course-flag-pink { background: var(--pink); color: #291823; }
.course-body { padding: 12px 2px 4px; display: grid; gap: 4px; align-content: start; }
.course-title { font-size: 1rem; line-height: 1.3; margin: 0; font-weight: 650; letter-spacing: -.01em; }
.course-card:hover .course-title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.course-meta { color: var(--ink-3); font-size: .85rem; }
.course-row { min-height: 22px; }
.course-price { margin-top: 2px; display: flex; gap: 8px; align-items: baseline; }
.price-free { color: var(--success); }

.continue-card { display: flex; gap: 14px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); text-decoration: none; color: var(--ink); }
.continue-card:hover { box-shadow: var(--shadow-2); border-color: transparent; }
.continue-card img { width: 120px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; flex: none; }
.continue-card strong { font-size: .95rem; line-height: 1.3; }
.continue-play { color: var(--pink-ink); }
@media (max-width: 640px) { .continue-card img { width: 88px; } }

.topic-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.topic { display: flex; gap: 12px; align-items: center; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--r-md); text-decoration: none; color: var(--ink); background: var(--surface); }
.topic:hover { border-color: var(--pink-soft); background: var(--pink-pale); }
.topic > span:last-child { display: grid; }
.topic-icon { width: 42px; height: 42px; border-radius: 12px; background: var(--pink-pale); color: var(--pink-ink); display: grid; place-items: center; flex: none; }
.bundle-card { display: grid; gap: 8px; padding: 20px; border-radius: var(--r-md); background: linear-gradient(135deg, var(--pink-pale), var(--bg-soft)); border: 1px solid var(--pink-soft); text-decoration: none; color: var(--ink); justify-items: start; }
.bundle-card strong { font-size: 1.1rem; }
.teach-cta { margin: 40px 0 8px; padding: clamp(24px, 4vw, 40px); border-radius: var(--r-lg); background: var(--ink); color: #FBEFF5; display: flex; gap: 24px; align-items: center; justify-content: space-between; flex-wrap: wrap; position: relative; overflow: hidden; }
.teach-cta::after { content: ""; position: absolute; right: -40px; bottom: -60px; width: 260px; height: 260px; background: url(/img/motif-fish.svg) no-repeat center / contain; opacity: .18; }
.teach-cta h2 { color: #fff; margin-bottom: 6px; }
.teach-cta .muted { color: #D9C3CF; margin: 0; }
.teach-cta .btn-dark { --b-bg: var(--pink); --b-fg: #291823; --b-line: var(--pink); position: relative; z-index: 1; }

/* ---------- Catalog ---------- */
.catalog { align-items: start; }
.filters fieldset { padding: 12px 14px; }
.filters .check { padding: 4px 0; }
@media (min-width: 901px) {
  .filters-dialog { display: block; position: sticky; top: calc(var(--header-h) + 16px); width: auto; max-height: none; margin: 0; box-shadow: none; background: transparent; border-radius: 0; animation: none !important; }
  .filters-dialog .dialog-body { padding: 0; overflow: visible; }
}
@media (max-width: 900px) and (min-width: 641px) { .filters-dialog:not([open]) { display: none; } }
@media (max-width: 900px) { .catalog .page-head .show-mobile { display: inline-flex !important; } }

/* ---------- Course landing ---------- */
.course-hero { background: #291823; color: #FBEFF5; }
.course-hero-inner { padding-top: clamp(24px, 4vw, 48px); padding-bottom: clamp(24px, 4vw, 48px); }
.course-hero-copy { max-width: calc(100% - 400px); }
.course-hero h1 { color: #fff; font-size: clamp(1.7rem, 1.2rem + 2vw, 2.5rem); }
.course-hero .lead { color: #E9D6E0; }
.course-hero a { color: var(--pink-soft); }
.course-hero .muted { color: #D9C3CF; }
.course-hero .rating-inline strong { color: #FFC24D; }
.crumbs { display: flex; gap: 8px; font-size: .88rem; margin-bottom: 14px; flex-wrap: wrap; }
.course-facts { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; margin: 10px 0; font-size: .92rem; }
.course-facts > span { display: inline-flex; gap: 6px; align-items: center; }
.course-layout { margin-top: 28px; }
.course-aside { margin-top: -220px; position: relative; z-index: 2; }
.buy-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.buy-media { aspect-ratio: 16 / 9; background: var(--bg-soft); }
.buy-media img, .buy-media iframe { width: 100%; height: 100%; object-fit: cover; border: 0; display: block; }
.buy-body { padding: 20px; }
.buy-price { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 14px; }
.buy-price .price { font-size: 1.9rem; letter-spacing: -.02em; }
.buy-includes { list-style: none; padding: 16px 0 0; margin: 16px 0 0; border-top: 1px solid var(--line); display: grid; gap: 10px; font-size: .92rem; color: var(--ink-2); }
.buy-includes li { display: flex; gap: 10px; align-items: center; }
.bundle-mini { display: flex; gap: 8px; align-items: center; margin-top: 12px; font-size: .88rem; padding: 10px 12px; border-radius: var(--r-sm); background: var(--pink-pale); text-decoration: none; }
.outcomes .check-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; }
@media (max-width: 1100px) { .course-hero-copy { max-width: calc(100% - 340px); } }
@media (max-width: 900px) {
  .course-hero-copy { max-width: none; }
  .course-aside { margin-top: 0; order: -1; }
  .course-layout { margin-top: 20px; }
  .outcomes .check-list { grid-template-columns: 1fr; }
}
@media (max-width: 640px) { .course-sticky { display: flex !important; } .buy-card .buy-body > .btn-lg { display: none; } body.app-learn .page:has(.course-sticky) { padding-bottom: 80px; } }

.curriculum { border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; background: var(--surface); }
.curr-section + .curr-section { border-top: 1px solid var(--line); }
.curr-section summary { display: flex; gap: 12px; align-items: center; padding: 14px 18px; cursor: pointer; font-weight: 650; background: var(--bg-soft); list-style: none; }
.curr-section summary::-webkit-details-marker { display: none; }
.curr-chevron { transition: transform .2s var(--ease); }
.curr-section[open] .curr-chevron { transform: rotate(180deg); }
.curr-section ul { list-style: none; margin: 0; padding: 6px 0; }
.curr-lesson { display: flex; gap: 12px; align-items: center; padding: 9px 18px; font-size: .95rem; }
.curr-lesson > .i-sm { color: var(--ink-3); }
.instructor-box .row { flex-wrap: nowrap; }
.review-summary { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 24px; align-items: center; padding: 18px; border: 1px solid var(--line); border-radius: var(--r-md); }
.review-score { display: grid; justify-items: center; gap: 4px; }
.review-score strong { font-size: 2.6rem; line-height: 1; color: #A86F00; }
.review-bars { display: grid; gap: 6px; }
.review-bar { display: flex; gap: 10px; align-items: center; font-size: .85rem; }
.review-bar > span:first-child { width: 28px; }
.review { padding: 16px 0; }
@media (max-width: 640px) { .review-summary { grid-template-columns: 1fr; } }
.star-input { display: inline-flex; flex-direction: row-reverse; justify-content: flex-end; gap: 4px; border: 0; padding: 0; margin: 0 0 12px; }
.star-input legend { float: left; width: 100%; font-weight: 650; margin-bottom: 6px; padding: 0; }
.star-input input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.star-input label { font-size: 1.9rem; color: var(--line-strong); cursor: pointer; line-height: 1; padding: 4px; min-width: 44px; text-align: center; }
.star-input label:hover, .star-input label:hover ~ label, .star-input input:checked ~ label { color: #E8A100; }
.star-input input:focus-visible + label { outline: 3px solid var(--pink); border-radius: 6px; }

/* ---------- Threads ---------- */
.ask-box { margin-bottom: 16px; }
.ask-box > summary { list-style: none; display: inline-flex; }
.ask-box > summary::-webkit-details-marker { display: none; }
.threads { display: grid; gap: 14px; }
.thread { border: 1px solid var(--line); border-radius: var(--r-md); padding: 16px; background: var(--surface); }
.thread-head { display: flex; gap: 12px; align-items: center; }
.thread-title { font-size: 1rem; margin: 10px 0 4px; }
.thread-body { margin: 8px 0 0; white-space: pre-line; }
.reply { margin: 12px 0 0 18px; padding: 10px 14px; border-left: 3px solid var(--pink-soft); background: var(--bg-soft); border-radius: 0 var(--r-sm) var(--r-sm) 0; }
.reply p { margin: 4px 0 0; white-space: pre-line; }
.reply-form { display: flex; gap: 8px; margin-top: 12px; align-items: center; }
.reply-form .input { flex: 1; }

/* ---------- Player ---------- */
.player-page { padding: 0; }
.player { display: grid; grid-template-columns: minmax(0, 1fr) 340px; min-height: calc(100dvh - var(--header-h) - 45px); }
.player-main { min-width: 0; }
.player-top { display: flex; gap: 10px; align-items: center; padding: 10px var(--gutter); border-bottom: 1px solid var(--line); }
.player-top .btn { max-width: 100%; min-width: 0; }
.lesson-stage.lesson-video { background: #160C12; }
.lesson-video { width: 100%; max-height: 72vh; aspect-ratio: 16 / 9; background: #160C12; display: block; margin: 0 auto; }
.lesson-video iframe { width: 100%; height: 100%; border: 0; }
.lesson-video-empty { display: grid; place-items: center; align-content: center; gap: 8px; color: #D9C3CF; }
.lesson-content { padding-top: 28px; padding-bottom: 56px; }
.lesson-title { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.1rem); }
.lesson-actions { display: flex; gap: 10px; justify-content: space-between; align-items: center; margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.player-side { border-left: 1px solid var(--line); background: var(--bg-soft); position: sticky; top: var(--header-h); height: calc(100dvh - var(--header-h)); overflow-y: auto; }
.player-side-head { padding: 18px 18px 14px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg-soft); z-index: 1; }
.player-toc ol { list-style: none; margin: 0; padding: 0 0 6px; }
.toc-section { padding: 14px 18px 6px; font-size: .8rem; font-weight: 700; color: var(--ink-3); }
.toc-item { display: flex; gap: 12px; align-items: flex-start; padding: 10px 18px; text-decoration: none; color: var(--ink); font-size: .92rem; line-height: 1.35; border-left: 3px solid transparent; }
.toc-item[href]:hover { background: var(--surface); }
.toc-item.is-current { background: var(--surface); border-left-color: var(--pink); font-weight: 650; }
.toc-item.is-locked { color: var(--ink-3); cursor: not-allowed; }
.toc-item .small { display: flex; gap: 4px; align-items: center; margin-top: 3px; font-weight: 400; }
.toc-title { display: block; }
.toc-check { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line-strong); display: grid; place-items: center; flex: none; margin-top: 1px; color: var(--ink-3); }
.toc-check .i-sm { width: 13px; height: 13px; }
.toc-check.is-done { background: var(--success); border-color: var(--success); color: #fff; }
@media (max-width: 1000px) {
  .player { grid-template-columns: 1fr; }
  .player-side { position: static; height: auto; border-left: 0; border-top: 1px solid var(--line); }
  .player-side-head { position: static; }
}
.complete-banner { display: flex; gap: 16px; align-items: center; padding: 18px 20px; border-radius: var(--r-md); background: linear-gradient(135deg, var(--pink-pale), var(--bg-soft)); border: 1px solid var(--pink-soft); flex-wrap: wrap; }
.complete-banner > .i-lg { color: var(--pink-ink); }
.resource-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.resource-list li { display: flex; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); }
.resource-list li:last-child { border-bottom: 0; }

/* Quiz */
.quiz-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 20px; }
.quiz { display: grid; gap: 18px; }
.quiz-q { margin: 0; padding: 18px; border-radius: var(--r-md); }
.quiz-q legend { font-weight: 650; display: flex; gap: 10px; align-items: baseline; padding: 0 6px; }
.quiz-n { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--pink-pale); color: var(--pink-ink); font-size: .85rem; flex: none; }
.quiz-opt { display: flex; gap: 12px; align-items: center; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: var(--r-sm); margin-top: 8px; cursor: pointer; min-height: 44px; }
.quiz-opt:has(input:checked) { border-color: var(--pink); background: var(--pink-pale); }
.quiz-opt input { width: 18px; height: 18px; accent-color: var(--pink-ink); flex: none; }
.quiz-opt.is-right { border-color: var(--success); }
.quiz-opt.is-wrong { border-color: var(--danger); }
.quiz-expl { display: flex; gap: 8px; margin: 10px 0 0; }
.submission .grade-box { padding: 14px 16px; border-radius: var(--r-sm); background: var(--success-bg); }

/* ---------- Checkout ---------- */
.checkout-thumb { width: 160px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--r-sm); }
.summary { margin: 0 0 16px; display: grid; gap: 10px; }
.summary > div { display: flex; justify-content: space-between; gap: 12px; }
.summary dt { color: var(--ink-2); }
.summary dd { margin: 0; font-variant-numeric: tabular-nums; }
.summary-total { border-top: 1px solid var(--line); padding-top: 12px; font-weight: 700; font-size: 1.15rem; }
.summary-total dt { color: var(--ink); }
@media (max-width: 640px) { .checkout-thumb { width: 96px; } }

/* ---------- My learning / certificates ---------- */
.cert-card { display: grid; gap: 8px; }
.cert-card > .i-lg { color: var(--pink-ink); }
.verify-ok { display: flex; gap: 14px; align-items: center; padding: 16px 18px; background: var(--success-bg); border-radius: var(--r-md); margin-bottom: 20px; }
.verify-ok > .i-lg { color: var(--success); }
.instructor-head { display: flex; gap: 24px; align-items: center; margin-bottom: 20px; flex-wrap: wrap; }

.cert-sheet { background: #fff; color: #291823; border-radius: var(--r-md); box-shadow: var(--shadow-2); padding: 18px; aspect-ratio: 297 / 210; max-width: 1000px; margin: 0 auto; }
.cert-border { height: 100%; border: 2px solid #FF2F86; outline: 1px solid #FFC5DC; outline-offset: -10px; border-radius: 6px; padding: clamp(16px, 4%, 48px); display: flex; flex-direction: column; align-items: center; text-align: center; justify-content: center; gap: clamp(2px, .8vw, 10px);
  background: url(/img/motif-border.svg) repeat-x top 14px center / auto 14px, url(/img/motif-border.svg) repeat-x bottom 14px center / auto 14px, #fff; }
.cert-mark { width: clamp(32px, 5vw, 56px); }
.cert-org { font-weight: 700; margin: 0; font-size: clamp(.7rem, 1.2vw, .95rem); color: #C2125F; }
.cert-kicker { font-size: clamp(1.1rem, 2.6vw, 2rem); font-weight: 750; letter-spacing: -.02em; margin: 0; }
.cert-small { margin: 0; color: #5E4553; font-size: clamp(.7rem, 1.2vw, .95rem); }
.cert-name { font-family: Georgia, "Noto Serif Devanagari", serif; font-size: clamp(1.4rem, 4vw, 3rem); margin: 0; border-bottom: 1px solid #F2E1EA; padding: 0 24px 4px; }
.cert-course { font-size: clamp(.95rem, 2vw, 1.4rem); font-weight: 650; margin: 0; max-width: 32ch; }
.cert-foot { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; width: 100%; margin-top: clamp(8px, 3vw, 32px); }
.cert-line { display: block; border-bottom: 1px solid #E5C9D7; padding-bottom: 4px; font-weight: 600; font-size: clamp(.65rem, 1.2vw, .95rem); overflow-wrap: anywhere; }
.cert-cap { display: block; font-size: clamp(.55rem, .9vw, .75rem); color: #82697A; margin-top: 4px; overflow-wrap: anywhere; }
.cert-print { background: var(--bg-soft); padding: 16px; }
.cert-print-bar { display: flex; gap: 12px; align-items: center; max-width: 1000px; margin: 0 auto 16px; }
@media print {
  .cert-print { background: #fff; padding: 0; }
  .cert-print .cert-sheet { box-shadow: none; border-radius: 0; width: 297mm; height: 210mm; max-width: none; aspect-ratio: auto; padding: 10mm; margin: 0; }
  .cert-print .cert-name { font-size: 34pt; } .cert-print .cert-kicker { font-size: 24pt; } .cert-print .cert-course { font-size: 16pt; }
  .cert-print .cert-small, .cert-print .cert-org { font-size: 11pt; } .cert-print .cert-line { font-size: 11pt; } .cert-print .cert-cap { font-size: 8pt; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* ---------- Instructor studio ---------- */
.builder { display: grid; gap: 14px; }
.builder-head { gap: 6px; }
.section-title-input { font-weight: 650; }
.builder-lessons { list-style: none; margin: 0; padding: 6px 0; min-height: 12px; }
.builder-lesson { display: flex; gap: 8px; align-items: center; padding: 6px 14px 6px 10px; }
.builder-lesson:hover { background: var(--bg-soft); }
.builder-lesson a { color: var(--ink); text-decoration: none; font-weight: 550; }
.builder-add { display: flex; gap: 8px; align-items: center; padding: 10px 14px; border-top: 1px dashed var(--line-strong); flex-wrap: wrap; }
.card.builder-add { border-top: 1px dashed var(--line-strong); }
.drag-handle { color: var(--ink-3); cursor: grab; display: inline-grid; place-items: center; width: 24px; }
.is-dragging { opacity: .5; }
.drop-target { outline: 2px dashed var(--pink); outline-offset: -2px; }
.q-list { padding-left: 1.2em; display: grid; gap: 12px; }
.grade-form { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.grade-form .field { margin: 0; }
.grade-form .field:first-child { width: 120px; }

/* ---------- Rich text (course descriptions, article lessons) ---------- */
.prose { font-size: 1.05rem; line-height: 1.75; }
.prose > :first-child { margin-top: 0; }
.prose p { margin: 0 0 1em; }
.prose h2 { font-size: 1.4rem; margin: 1.4em 0 .4em; }
.prose h3 { font-size: 1.15rem; margin: 1.2em 0 .4em; }
.prose blockquote { margin: 1.2em 0; padding-left: 16px; border-left: 4px solid var(--pink); color: var(--ink-2); font-style: italic; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1em; }
.prose li { margin: .3em 0; }
.prose figure { margin: 1.4em 0; }
.prose figure img { border-radius: var(--r-sm); }
.prose figcaption { font-size: .85rem; color: var(--ink-2); margin-top: 6px; }
@media (max-width: 640px) {
  .lesson-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .lesson-actions > form, .lesson-actions > .btn-primary { grid-column: 1 / -1; order: -1; }
  .lesson-actions > form .btn, .lesson-actions > .btn-primary { width: 100%; }
  .lesson-actions > a[rel="next"] { justify-self: end; }
}

/* Workaround for a core.css layout bug (reported to lead): on desktop the empty .dash-scrim
   occupies the second grid column and pushes .dash-main below the sidebar. */
@media (min-width: 1001px) { .dash-scrim { display: none; } }