/* Public Microlearning catalog, detail and lesson reader */
.micro-catalog-page,
.micro-detail-page,
.micro-study-page {
  min-height: 100vh;
  background: var(--landing-surface, #f8f7fb);
  color: var(--landing-ink, #1f1b2d);
}

.micro-shell,
.micro-study-shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
}

.micro-catalog-page,
.micro-detail-page { padding: 48px 0 72px; }
.micro-study-page { padding: 40px 0 72px; }
.micro-study-shell { max-width: 920px; }

.micro-catalog-hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 28px;
}

.micro-catalog-hero-copy { max-width: 720px; }
.micro-catalog-hero h1,
.micro-detail-copy h1,
.micro-study-heading h1 {
  margin: 8px 0 10px;
  font-size: clamp(2rem, 5vw, 3.7rem);
  line-height: 1.1;
  font-weight: 900;
}
.micro-catalog-hero p,
.micro-detail-alt-title,
.micro-level-picker p { color: var(--gray-600, #64606f); }

.micro-search {
  width: min(390px, 100%);
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid rgba(124, 88, 253, .16);
  border-radius: 16px;
  padding: 0 12px;
  box-shadow: 0 10px 30px rgba(44, 33, 85, .06);
}
.micro-search input {
  flex: 1;
  min-width: 0;
  padding: 14px 4px;
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
}
.micro-search button {
  border: 0;
  background: transparent;
  color: var(--landing-purple, #7c58fd);
  cursor: pointer;
  padding: 8px;
}

.micro-filters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 14px;
  align-items: end;
  background: #fff;
  border: 1px solid rgba(124, 88, 253, .1);
  border-radius: 20px;
  padding: 18px;
  margin-bottom: 24px;
}
.micro-filters label { display: grid; gap: 7px; }
.micro-filters label > span { font-size: .82rem; font-weight: 800; color: var(--gray-600, #64606f); }
.micro-filters select {
  width: 100%;
  min-height: 44px;
  border: 1px solid rgba(124, 88, 253, .18);
  border-radius: 12px;
  background: #fff;
  color: inherit;
  padding: 0 12px;
  font: inherit;
}
.micro-filter-actions { display: flex; align-items: center; gap: 10px; min-height: 44px; }
.micro-clear-filters { color: var(--landing-purple, #7c58fd); font-weight: 800; text-decoration: none; white-space: nowrap; }

.micro-results-head { margin: 0 0 16px; color: var(--gray-600, #64606f); }
.micro-results-head p { margin: 0; }

.micro-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}
.micro-card {
  display: block;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  background: #fff;
  border: 1px solid rgba(124, 88, 253, .11);
  border-radius: 20px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.micro-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 88, 253, .28);
  box-shadow: 0 18px 42px rgba(69, 48, 133, .14);
}
.micro-card-image { position: relative; aspect-ratio: 2 / 3; overflow: hidden; background: #eeeaf8; }
.micro-card-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.micro-card-type {
  position: absolute;
  inset-inline-start: 12px;
  bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(24, 18, 43, .82);
  color: #fff;
  font-size: .74rem;
  font-weight: 800;
  backdrop-filter: blur(8px);
}
.micro-card-body { padding: 16px; }
.micro-card-body h2 { margin: 0 0 8px; font-size: 1.05rem; line-height: 1.5; }
.micro-card-taxonomy,
.micro-card-age { margin: 0 0 11px; color: var(--gray-600, #64606f); font-size: .82rem; }
.micro-card-age { margin: 12px 0 0; }
.micro-level-row,
.micro-level-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.micro-level-row span {
  min-width: 38px;
  padding: 6px 9px;
  text-align: center;
  border-radius: 999px;
  background: rgba(124, 88, 253, .08);
  color: var(--landing-purple, #7c58fd);
  font-size: .78rem;
  font-weight: 900;
}

.micro-empty {
  text-align: center;
  background: #fff;
  border: 1px dashed rgba(124, 88, 253, .24);
  border-radius: 24px;
  padding: 56px 20px;
}
.micro-empty img { width: 66px; opacity: .65; }
.micro-empty h1,
.micro-empty h2 { margin: 14px 0 8px; }
.micro-empty p { max-width: 560px; margin: 0 auto 18px; color: var(--gray-600, #64606f); }

.micro-pagination { margin-top: 32px; }

.micro-detail-page {
  padding: 34px 0 80px;
  background: #fff;
}

.micro-detail-page .micro-shell {
  width: min(1180px, calc(100% - 40px));
}

.micro-back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 28px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #69558e;
  background: #faf9fd;
  border: 1px solid rgba(124, 88, 253, .10);
  font-size: .88rem;
  font-weight: 800;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.micro-back-link:hover {
  color: var(--landing-purple, #7c58fd);
  border-color: rgba(124, 88, 253, .24);
  background: #f7f4ff;
}

.micro-detail-hero {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: clamp(38px, 5vw, 70px);
  align-items: center;
}

.micro-detail-art {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: 28px;
  overflow: hidden;
  background: #f2effa;
  border: 1px solid rgba(124, 88, 253, .10);
  box-shadow: 0 22px 55px rgba(53, 38, 106, .13);
}

.micro-detail-art::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .28);
  border-radius: inherit;
}

.micro-detail-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.micro-detail-copy {
  min-width: 0;
  max-width: 680px;
}

.micro-detail-copy .eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 10px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(124, 88, 253, .08);
  color: var(--landing-purple, #7c58fd);
  font-size: .78rem;
  font-weight: 900;
}

.micro-detail-copy h1 {
  margin: 0 0 10px;
  max-width: 760px;
  font-size: clamp(1.65rem, 3.2vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--landing-ink, #1f1b2d);
}

.lang-fa .micro-detail-copy h1 {
  line-height: 1.45;
  letter-spacing: 0;
}

.micro-detail-alt-title {
  margin: 0 0 22px;
  color: #776d88;
  font-size: clamp(.96rem, 1.7vw, 1.1rem);
  line-height: 1.7;
}

.micro-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.micro-detail-meta span,
.micro-detail-topics {
  padding: 7px 11px;
  border-radius: 999px;
  background: #faf9fd;
  border: 1px solid rgba(124, 88, 253, .10);
  color: #655a76;
  font-size: .8rem;
  font-weight: 700;
}

.micro-detail-meta span:first-child {
  background: rgba(124, 88, 253, .08);
  color: var(--landing-purple, #7c58fd);
  border-color: rgba(124, 88, 253, .13);
}

.micro-detail-topics {
  display: inline-block;
  margin: 9px 0 0;
}

.micro-level-picker {
  position: relative;
  margin-top: 30px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: 24px;
  background: linear-gradient(145deg, #fcfbff 0%, #f7f4ff 100%);
  border: 1px solid rgba(124, 88, 253, .13);
  box-shadow: 0 14px 38px rgba(73, 52, 137, .07);
}

.micro-level-picker h2 {
  margin: 0 0 6px;
  color: var(--landing-ink, #1f1b2d);
  font-size: 1.18rem;
  font-weight: 900;
}

.micro-level-picker p {
  max-width: 560px;
  margin: 0 0 18px;
  color: #746a84;
  font-size: .9rem;
  line-height: 1.75;
}

.micro-level-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.micro-level-start {
  min-width: 0;
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: 16px;
  text-decoration: none;
  border: 1px solid rgba(124, 88, 253, .14);
  background: rgba(255, 255, 255, .92);
  color: var(--landing-ink, #1f1b2d);
  box-shadow: 0 5px 16px rgba(63, 45, 118, .035);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
}

.micro-level-start strong {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  background: rgba(124, 88, 253, .10);
  color: var(--landing-purple, #7c58fd);
  font-size: .98rem;
  font-weight: 900;
}

.micro-level-start span {
  min-width: 0;
  flex: 1;
  color: #5f556f;
  font-size: .8rem;
  font-weight: 800;
  line-height: 1.4;
}

.micro-level-start::after {
  content: "→";
  color: #a092bc;
  font-size: 1rem;
  font-weight: 900;
  transition: transform .18s ease, color .18s ease;
}

[dir="rtl"] .micro-level-start::after {
  content: "←";
}

.micro-level-start:hover {
  transform: translateY(-2px);
  border-color: rgba(124, 88, 253, .35);
  background: #fff;
  box-shadow: 0 10px 24px rgba(73, 52, 137, .10);
}

.micro-level-start:hover::after {
  color: var(--landing-purple, #7c58fd);
  transform: translateX(2px);
}

[dir="rtl"] .micro-level-start:hover::after {
  transform: translateX(-2px);
}

.micro-level-start:focus-visible {
  outline: 3px solid rgba(124, 88, 253, .22);
  outline-offset: 2px;
}

.micro-level-picker small {
  display: block;
  margin-top: 15px;
  padding-top: 14px;
  border-top: 1px solid rgba(124, 88, 253, .09);
  color: #80758e;
  font-size: .78rem;
  line-height: 1.7;
}

.micro-study-header { margin-bottom: 22px; }
.micro-study-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.micro-study-heading h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
.micro-lesson { display: grid; gap: 18px; }
.micro-lesson-section {
  background: #fff;
  border: 1px solid rgba(124, 88, 253, .1);
  border-radius: 20px;
  padding: clamp(20px, 4vw, 34px);
}
.micro-section-kicker { display: block; color: var(--landing-purple, #7c58fd); font-size: .78rem; font-weight: 900; text-transform: uppercase; letter-spacing: .06em; }
.micro-lesson-section h2 { margin: 0 0 16px; font-size: 1.3rem; }
.micro-lesson-section > p,
.micro-dialogue p { line-height: 2; margin: 0 0 14px; }
.micro-bilingual-flow { display: grid; gap: 12px; }
.micro-bilingual-pair {
  padding: 12px;
  border-radius: 14px;
  transition: background .16s ease;
}
@media (hover: hover) {
  .micro-bilingual-pair:hover { background: rgba(124, 88, 253, .035); }
}
.micro-bilingual-primary,
.micro-bilingual-secondary { margin: 0; }
.micro-bilingual-primary {
  padding-inline-start: 12px;
  border-inline-start: 3px solid var(--landing-purple, #7c58fd);
  color: var(--landing-ink, #1f1b2d);
  font-weight: 500;
  line-height: 2;
}
.micro-bilingual-secondary {
  margin-top: 8px;
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(124, 88, 253, .065);
  color: #5f556f;
  font-size: .96rem;
  line-height: 2;
}
.micro-bilingual-primary strong,
.micro-bilingual-secondary strong { font-weight: 850; }
.micro-learning-list { display: grid; gap: 12px; }
.micro-learning-item { padding: 18px; border-radius: 16px; background: #faf9fd; border: 1px solid rgba(124, 88, 253, .08); }
.micro-learning-item p { line-height: 1.8; }
.micro-learning-item-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px; }
.micro-learning-item-head strong { font-size: 1.05rem; }
.micro-learning-item-head span,
.micro-learning-item-head small { color: var(--gray-600, #64606f); }
.micro-learning-item blockquote { margin: 10px 0 5px; padding-inline-start: 14px; border-inline-start: 3px solid var(--landing-purple, #7c58fd); line-height: 1.8; }
.micro-collocations { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.micro-collocations span { padding: 5px 8px; border-radius: 999px; background: rgba(124, 88, 253, .08); font-size: .78rem; }
.micro-usage-note { color: var(--gray-600, #64606f); }

@media (max-width: 1000px) {
  .micro-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .micro-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .micro-filter-actions { align-self: end; }
}

@media (max-width: 760px) {
  .micro-catalog-page,
  .micro-detail-page { padding-top: 28px; }
  .micro-catalog-hero,
  .micro-study-heading { align-items: stretch; flex-direction: column; display: flex; }
  .micro-search { width: 100%; }
  .micro-filters { grid-template-columns: 1fr; }
  .micro-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .micro-detail-page { padding-top: 24px; }
  .micro-detail-page .micro-shell { width: min(100% - 28px, 1180px); }
  /* Android WebView uses the system Back action on mobile. */
  .micro-back-link { display: none; }
  .micro-detail-hero { grid-template-columns: 1fr; gap: 28px; align-items: stretch; }
  .micro-detail-art { max-width: 360px; width: 100%; margin: 0 auto; }
  .micro-detail-copy { max-width: 100%; }
  .micro-level-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .micro-shell,
  .micro-study-shell { width: min(100% - 22px, 1240px); }
  .micro-grid { grid-template-columns: 1fr; }
  .micro-card { display: grid; grid-template-columns: 132px 1fr; }
  .micro-card-image { aspect-ratio: auto; min-height: 150px; }
  .micro-card-type { inset-inline-start: 8px; bottom: 8px; }
  .micro-card-body { padding: 14px; }
  .micro-level-picker { padding: 18px; border-radius: 20px; }
  .micro-level-actions { gap: 8px; }
  .micro-level-start { min-height: 60px; padding: 8px 9px; border-radius: 14px; }
  .micro-level-start strong { flex-basis: 40px; width: 40px; height: 40px; border-radius: 11px; }
  .micro-level-start span { font-size: .76rem; }
}

/* Catalog layout intentionally reuses books-catalog.css so the public
   Microlearning filters behave and align exactly like the Books catalog. */
.books-catalog-main .micro-grid {
  grid-template-columns: repeat(4, minmax(0, 280px));
  justify-content: start;
  max-width: 1200px;
  gap: var(--space-5);
}

.micro-level-filter-list {
  max-height: none;
}

@media (max-width: 1280px) {
  .books-catalog-main .micro-grid {
    grid-template-columns: repeat(3, minmax(0, 280px));
  }
}

@media (max-width: 1024px) {
  .books-catalog-main .micro-grid {
    max-width: 100%;
    grid-template-columns: repeat(auto-fill, minmax(240px, 280px));
    justify-content: center;
  }
}

@media (max-width: 760px) {
  .books-catalog-main .micro-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .books-catalog-main .micro-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .books-catalog-main .micro-card {
    display: block;
  }

  .books-catalog-main .micro-card-image {
    aspect-ratio: 2 / 3;
    min-height: 0;
  }
}

/* Level-first catalog flow */
.micro-level-gate {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 340px);
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
  margin: 0 0 28px;
  padding: clamp(26px, 4vw, 38px);
  border-radius: 26px;
  border: 1px solid rgba(124, 88, 253, .16);
  background:
    radial-gradient(circle at 88% 18%, rgba(189, 243, 80, .16), transparent 30%),
    linear-gradient(145deg, #fff 0%, #f8f5ff 100%);
  box-shadow: 0 18px 48px rgba(69, 48, 133, .09);
}

.micro-level-gate-copy { max-width: 660px; }
.micro-level-gate-kicker {
  display: inline-block;
  margin-bottom: 7px;
  color: var(--landing-purple, #7c58fd);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.micro-level-gate h2 {
  margin: 0;
  color: var(--landing-ink, #1f1b2d);
  font-size: clamp(1.35rem, 2.7vw, 1.9rem);
  line-height: 1.5;
}

.micro-level-gate-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.micro-level-gate-option {
  position: relative;
  isolation: isolate;
  min-width: 0;
  min-height: 76px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 12px 18px;
  border-radius: 18px;
  border: 1px solid rgba(124, 88, 253, .18);
  background: rgba(255, 255, 255, .94);
  color: #514564;
  font-size: 1.08rem;
  font-weight: 950;
  letter-spacing: .02em;
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(69, 48, 133, .065);
  animation: micro-level-option-in .42s ease both;
  transition: transform .22s ease, color .22s ease, background .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.micro-level-gate-option:nth-child(2) { animation-delay: .035s; }
.micro-level-gate-option:nth-child(3) { animation-delay: .07s; }
.micro-level-gate-option:nth-child(4) { animation-delay: .105s; }
.micro-level-gate-option:nth-child(5) { animation-delay: .14s; }
.micro-level-gate-option:nth-child(6) { animation-delay: .175s; }

@keyframes micro-level-option-in {
  from { opacity: 0; transform: translateY(8px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.micro-level-gate-option::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 88px;
  height: 88px;
  inset-inline-end: -44px;
  bottom: -54px;
  border-radius: 50%;
  background: rgba(124, 88, 253, .10);
  transition: transform .28s ease, background .28s ease;
}

.micro-level-gate-option::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 25%, rgba(255, 255, 255, .72) 48%, transparent 70%);
  transform: translateX(-135%);
  transition: transform .48s ease;
}

.micro-level-gate-option:hover,
.micro-level-gate-option:focus-visible {
  transform: translateY(-3px) scale(1.015);
  color: var(--landing-purple, #7c58fd);
  border-color: rgba(124, 88, 253, .42);
  background: #fff;
  box-shadow: 0 14px 30px rgba(69, 48, 133, .13);
}

.micro-level-gate-option:hover::before,
.micro-level-gate-option:focus-visible::before {
  transform: scale(1.8);
  background: rgba(124, 88, 253, .13);
}

.micro-level-gate-option:hover::after,
.micro-level-gate-option:focus-visible::after {
  transform: translateX(135%);
}

.micro-level-gate-option:active {
  transform: translateY(-1px) scale(.99);
}

@media (prefers-reduced-motion: reduce) {
  .micro-level-gate-option,
  .micro-level-gate-option::before,
  .micro-level-gate-option::after {
    animation: none;
    transition: none;
  }
}

.micro-card-level {
  position: absolute;
  inset-inline-end: 12px;
  top: 12px;
  min-width: 42px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .94);
  color: var(--landing-purple, #7c58fd);
  font-size: .78rem;
  font-weight: 900;
  text-align: center;
  box-shadow: 0 5px 14px rgba(34, 25, 62, .12);
}

.micro-card-level-copy {
  margin: 10px 0 0;
  color: var(--landing-purple, #7c58fd);
  font-size: .8rem;
  font-weight: 900;
}

.micro-detail-heading-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.micro-detail-heading-row .eyebrow { margin-bottom: 0; }

.micro-detail-level-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 11px;
  border-radius: 999px;
  background: #1f1b2d;
  color: #fff;
  font-size: .78rem;
  font-weight: 900;
}

.micro-detail-overview {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.micro-detail-objective,
.micro-detail-introduction {
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid rgba(124, 88, 253, .12);
}

.micro-detail-objective {
  background: #faf9fd;
}

.micro-detail-objective span {
  display: block;
  color: var(--landing-ink, #1f1b2d);
  font-size: 1rem;
  font-weight: 900;
}

.micro-detail-objective p,
.micro-detail-introduction p {
  margin: 8px 0 0;
  color: #4f465f;
  font-size: .95rem;
  line-height: 1.9;
}

.micro-detail-introduction {
  background: #faf9fd;
}

.micro-detail-introduction h2 {
  margin: 0;
  color: var(--landing-ink, #1f1b2d);
  font-size: 1rem;
  font-weight: 900;
}

.micro-detail-start {
  margin-top: 30px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: 24px;
  border: 1px solid rgba(124, 88, 253, .14);
  background: linear-gradient(145deg, #fcfbff 0%, #f7f4ff 100%);
  box-shadow: 0 14px 38px rgba(73, 52, 137, .07);
}

.micro-detail-start > div:first-child > span {
  display: block;
  color: #756a85;
  font-size: .78rem;
  font-weight: 800;
}

.micro-detail-start > div:first-child > strong {
  display: block;
  margin-top: 3px;
  color: var(--landing-purple, #7c58fd);
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  line-height: 1.2;
  font-weight: 950;
}

.micro-detail-start p {
  margin: 7px 0 0;
  color: #746a84;
  font-size: .9rem;
  line-height: 1.75;
}

.micro-detail-start-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
}

.micro-start-study {
  min-width: 160px;
  justify-content: center;
}

.micro-change-level {
  color: var(--landing-purple, #7c58fd);
  font-size: .86rem;
  font-weight: 900;
  text-decoration: none;
}

.micro-change-level:hover { text-decoration: underline; }

.micro-detail-start small {
  display: block;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(124, 88, 253, .09);
  color: #80758e;
  font-size: .78rem;
  line-height: 1.7;
}

@media (max-width: 760px) {
  .micro-level-gate {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .micro-level-gate-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .micro-level-gate {
    margin-inline: -2px;
    padding: 18px;
    border-radius: 20px;
  }

  .micro-level-gate-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .micro-level-gate-option {
    min-height: 66px;
    border-radius: 16px;
  }

  .micro-detail-start-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .micro-start-study { width: 100%; }
  .micro-change-level { text-align: center; padding: 6px; }
}

/* ============================================================
MOBILE MICROLEARNING CATALOG — match Books breadcrumb/card pattern
============================================================ */
@media (max-width: 760px) {
  .books-catalog-main .micro-grid {
    display: block;
    max-width: none;
  }

  .books-catalog-main .micro-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    width: 100%;
    padding: var(--space-4) 0;
    border: 0;
    border-bottom: 1px solid var(--gray-200);
    border-radius: 0;
    overflow: visible;
    background: transparent;
  }

  .books-catalog-main .micro-card:first-child {
    padding-top: var(--space-2);
  }

  .books-catalog-main .micro-card:last-child {
    border-bottom: 0;
  }

  .books-catalog-main .micro-card:hover {
    transform: none;
    box-shadow: none;
  }

  .books-catalog-main .micro-card-image {
    flex: 0 0 88px;
    width: 88px;
    min-height: 0;
    aspect-ratio: 2 / 3;
    border-radius: var(--radius-sm);
    box-shadow: 0 3px 10px rgba(26, 16, 40, 0.08);
  }

  .books-catalog-main .micro-card-type {
    inset-inline-start: 6px;
    bottom: 6px;
    max-width: calc(100% - 12px);
    padding: 4px 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: .64rem;
  }

  .books-catalog-main .micro-card-level {
    top: 6px;
    inset-inline-end: 6px;
    min-width: 0;
    padding: 4px 6px;
    font-size: .68rem;
  }

  .books-catalog-main .micro-card-body {
    flex: 1 1 auto;
    min-width: 0;
    padding: var(--space-1) 0 0;
  }

  .books-catalog-main .micro-card-body h2 {
    margin-bottom: var(--space-2);
    font-size: var(--text-body-sm);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .books-catalog-main .micro-card-taxonomy,
  .books-catalog-main .micro-card-age,
  .books-catalog-main .micro-card-level-copy {
    margin: 0 0 var(--space-2);
    line-height: 1.55;
  }
}

/* ============================================================
MICROLEARNING READER — aligned with the Books Reader shell
============================================================ */
.micro-reader-shell {
  min-height: 100vh;
}

.micro-reader-sidebar-meta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 10px;
  margin: var(--space-5, 24px) var(--space-2, 8px) 0;
  padding: var(--space-3, 12px);
  border: 1px solid var(--reader-border);
  border-radius: var(--radius-sm, 8px);
  background: var(--reader-panel);
}

.micro-reader-sidebar-meta > span {
  align-self: center;
  color: var(--reader-muted);
  font-size: var(--text-caption, 12px);
  font-weight: 800;
}

.micro-reader-sidebar-meta > strong {
  min-width: 40px;
  padding: 4px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--reader-accent) 12%, transparent);
  color: var(--reader-accent);
  font-size: var(--text-caption, 12px);
  font-weight: 900;
  text-align: center;
  direction: ltr;
}

.micro-reader-sidebar-meta > small {
  grid-column: 1 / -1;
  overflow: hidden;
  color: var(--reader-fg);
  font-size: var(--text-caption, 12px);
  font-weight: 700;
  line-height: 1.6;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.reader-shell.sidebar-collapsed .micro-reader-sidebar-meta {
  display: none;
}

.micro-reader-article {
  width: min(100%, 900px);
}

.micro-reader-heading {
  padding-bottom: var(--space-7, 48px);
}

.micro-reader-heading h1 {
  max-width: 780px;
  margin: 8px 0 0;
  color: var(--reader-fg);
  font-family: var(--reader-font-en), var(--reader-font-fa), Georgia, serif;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 850;
  line-height: 1.3;
  direction: auto;
}

.micro-reader-section {
  scroll-margin-top: 30px;
}

.micro-reader-bilingual-flow {
  display: grid;
  gap: var(--space-2, 8px);
}

.micro-reader-bilingual-pair {
  margin-bottom: 0;
}

.micro-reader-learning-list {
  display: grid;
  gap: var(--space-4, 16px);
}

.micro-reader-learning-item {
  padding: clamp(16px, 3vw, 22px);
  border: 1px solid var(--reader-border);
  border-radius: var(--radius-md, 12px);
  background: var(--reader-panel);
  transition: border-color var(--duration-micro, 150ms) var(--ease-standard, ease),
    background var(--duration-micro, 150ms) var(--ease-standard, ease);
}

@media (hover: hover) {
  .micro-reader-learning-item:hover {
    border-color: color-mix(in srgb, var(--reader-accent) 32%, var(--reader-border));
  }
}

.micro-reader-learning-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 12px;
  font-family: var(--reader-font-en), Georgia, serif;
}

.micro-reader-learning-head strong {
  color: var(--reader-fg);
  font-size: 1.15em;
  font-weight: 800;
}

.micro-reader-learning-head span,
.micro-reader-learning-head small {
  color: var(--reader-muted);
  font-size: .82em;
}

.micro-reader-learning-item > .reader-paragraph.is-secondary {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm, 8px);
  background: var(--reader-translation-bg);
  color: color-mix(in srgb, var(--reader-fg) 88%, var(--reader-muted));
  line-height: var(--reader-line-secondary);
}

.micro-reader-definition,
.micro-reader-usage-note {
  margin: 0 0 12px;
  color: color-mix(in srgb, var(--reader-fg) 84%, var(--reader-muted));
  line-height: var(--reader-line-primary);
}

.micro-reader-definition {
  font-family: var(--reader-font-en), Georgia, serif;
}

.micro-reader-usage-note {
  font-size: .9em;
}

.micro-reader-learning-item blockquote {
  margin: 12px 0 8px;
  padding-inline-start: 14px;
  border-inline-start: 3px solid var(--reader-accent);
  color: var(--reader-fg);
  font-family: var(--reader-font-en), Georgia, serif;
  line-height: var(--reader-line-en);
}

.micro-reader-example-translation {
  display: block;
  color: var(--reader-muted);
  font-size: .9em;
  line-height: var(--reader-line-secondary);
}

.micro-reader-shell .micro-collocations span {
  background: color-mix(in srgb, var(--reader-accent) 10%, transparent);
  color: var(--reader-fg);
}

.micro-reader-empty {
  margin: 0;
  padding: var(--space-5, 24px);
  border: 1px dashed var(--reader-border);
  border-radius: var(--radius-md, 12px);
  color: var(--reader-muted);
  text-align: center;
}

.micro-reader-article.reader-secondary-small .micro-reader-example-translation {
  font-size: .8rem;
}

.micro-reader-article.reader-secondary-medium .micro-reader-example-translation {
  font-size: .95rem;
}

.micro-reader-article.reader-secondary-large .micro-reader-example-translation {
  font-size: 1.15rem;
}

.micro-reader-article.translation-hidden .micro-translation {
  display: none !important;
}

.micro-reader-not-found {
  min-height: 100vh;
}

@media (max-width: 840px) {
  .micro-reader-heading {
    padding-top: var(--space-5, 24px);
    padding-bottom: var(--space-6, 32px);
  }

  .micro-reader-heading h1 {
    font-size: clamp(1.65rem, 7vw, 2.2rem);
  }

  .micro-reader-section {
    scroll-margin-top: 78px;
  }
}

@media (max-width: 520px) {
  .micro-reader-learning-item {
    padding: 16px;
  }

  .micro-reader-heading h1 {
    line-height: 1.38;
  }
}

/* Public/app shell integration for Microlearning catalog and detail pages. */
.micro-public-shell {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.micro-public-shell > .microlearning-catalog-page,
.micro-public-shell > .microlearning-detail-page {
  flex: 1 0 auto;
  min-height: 0;
}

.app-content .microlearning-catalog-page,
.app-content .microlearning-detail-page {
  min-height: 0;
  padding-top: 0;
  padding-bottom: 0;
}