/* BETOOTH - Modern Academic Courses Catalog */
.course-page.academic-context {
  max-width: 1220px;
  margin: 0 auto;
}

/* ==========================================================================
   1. EDITORIAL HEADER (Course catalog hero)
   ========================================================================== */
.academic-editorial-head {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 150px;
  margin-block: 6px 26px;
  padding: 28px clamp(22px, 3.5vw, 42px);
  border: 1px solid rgba(143, 174, 184, 0.2);
  border-radius: 12px;
  background: linear-gradient(135deg, #10242D 0%, #163643 55%, #0D1B21 100%);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.academic-editorial-head::after {
  position: absolute;
  z-index: -1;
  inset-block: 0;
  inset-inline-end: 0;
  width: min(42%, 360px);
  content: "";
  opacity: 0.2;
  background: radial-gradient(circle at 75% 50%, var(--pixel-cyan), transparent 70%);
  pointer-events: none;
}

.academic-editorial-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  margin-bottom: 6px;
  border-radius: 6px;
  background: rgba(94, 234, 212, 0.12);
  border: 1px solid rgba(94, 234, 212, 0.25);
  color: #2DD4BF;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  width: fit-content;
}

.academic-editorial-head h2 {
  max-width: 28ch;
  margin-block: 8px 6px;
  font-size: clamp(24px, 2.8vw, 38px);
  line-height: 1.22;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.015em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.academic-editorial-head p {
  max-width: 65ch;
  margin-block: 4px 0;
  font-size: 15px;
  line-height: 1.6;
  color: #CBD5E1;
}

.course-module-mount {
  gap: 24px;
}

/* ==========================================================================
   2. PATHWAY BAR
   ========================================================================== */
.academic-pathway-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 8px 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(143, 174, 184, 0.18);
  color: #94A3B8;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.academic-pathway-range {
  color: #2DD4BF;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  font-weight: 800;
  background: rgba(94, 234, 212, 0.08);
  padding: 3px 10px;
  border-radius: 6px;
  border: 1px solid rgba(94, 234, 212, 0.2);
}

/* ==========================================================================
   3. ACADEMIC 5-YEARS GRID (Balanced, Rich, Attractive)
   ========================================================================== */
.academic-year-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 20px;
  align-items: stretch;
}

.academic-year-card {
  --year-accent: var(--pixel-cyan);
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  min-height: 230px;
  padding: 24px 26px;
  border: 1px solid rgba(143, 174, 184, 0.18);
  border-top: 4px solid var(--year-accent);
  border-radius: 12px;
  background: linear-gradient(160deg, color-mix(in srgb, var(--year-accent) 9%, #152730) 0%, #0E1B21 100%);
  color: #FFFFFF;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

/* Year color themes */
.academic-year-card[data-year="1"] { --year-accent: #FF9E44; }
.academic-year-card[data-year="2"] { --year-accent: #38BDF8; }
.academic-year-card[data-year="3"] { --year-accent: #34D399; }
.academic-year-card[data-year="4"] { --year-accent: #818CF8; }
.academic-year-card[data-year="5"] { --year-accent: #FBBF24; }

.academic-year-card:hover {
  transform: translateY(-4px);
  border-color: var(--year-accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.42), 0 0 24px color-mix(in srgb, var(--year-accent) 26%, transparent);
}

.academic-year-card:focus-visible,
.academic-subject-card:focus-visible,
.academic-course-group a:focus-visible {
  outline: 3px solid #2DD4BF;
  outline-offset: 4px;
}

/* Card Topline */
.academic-year-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.academic-year-index {
  color: var(--year-accent);
  font-size: 28px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  line-height: 1;
}

.academic-year-of {
  color: #94A3B8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.35);
  padding: 4px 9px;
  border-radius: 6px;
  border: 1px solid rgba(143, 174, 184, 0.12);
}

.academic-year-title {
  font-size: 21px;
  font-weight: 800;
  line-height: 1.3;
  color: #FFFFFF;
  margin: 4px 0 0;
}

.academic-year-focus {
  font-size: 14px;
  font-weight: 600;
  color: var(--year-accent);
  margin: 0;
  line-height: 1.45;
}

.academic-year-topics {
  display: block;
  font-size: 12px;
  color: #94A3B8;
  background: rgba(0, 0, 0, 0.28);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid rgba(143, 174, 184, 0.1);
  margin: 2px 0 8px;
  line-height: 1.5;
}

/* Card Bottomline */
.academic-year-bottomline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(143, 174, 184, 0.12);
}

.academic-year-count {
  font-size: 12px;
  font-weight: 700;
  color: #94A3B8;
  background: rgba(143, 174, 184, 0.08);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(143, 174, 184, 0.1);
}

.academic-year-count.has-content {
  background: color-mix(in srgb, var(--year-accent) 15%, transparent);
  color: var(--year-accent);
  border-color: color-mix(in srgb, var(--year-accent) 35%, transparent);
}

.academic-year-action {
  margin-inline-start: auto;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
}

.academic-year-arrow {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border: 1px solid color-mix(in srgb, var(--year-accent) 45%, rgba(143, 174, 184, 0.2));
  border-radius: 50%;
  background: rgba(23, 49, 59, 0.4);
  color: var(--year-accent);
  font-size: 16px;
  line-height: 1;
  transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.academic-year-card:hover .academic-year-arrow {
  transform: translateX(4px);
  background: var(--year-accent);
  color: #0E1B21;
  font-weight: 800;
}

[dir="rtl"] .academic-year-arrow {
  transform: scaleX(-1);
}

[dir="rtl"] .academic-year-card:hover .academic-year-arrow {
  transform: scaleX(-1) translateX(4px);
}

/* ==========================================================================
   4. SUBJECT CARDS & DETAIL VIEWS
   ========================================================================== */
.academic-subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 18px;
  align-items: stretch;
}

.academic-subject-card {
  --subject-accent: #2DD4BF;
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
  min-width: 0;
  min-height: 186px;
  padding: 24px;
  border: 1px solid rgba(143, 174, 184, 0.16);
  border-inline-start: 4px solid var(--subject-accent);
  border-radius: 12px;
  background: linear-gradient(160deg, #172D36 0%, #0F1F26 100%);
  color: #FFFFFF;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.academic-subject-card[data-ordinal="1"] { --subject-accent: #FF9E44; }
.academic-subject-card[data-ordinal="2"] { --subject-accent: #38BDF8; }
.academic-subject-card[data-ordinal="3"] { --subject-accent: #34D399; }

.academic-subject-card:hover {
  transform: translateY(-3px);
  border-color: var(--subject-accent);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.38), 0 0 16px color-mix(in srgb, var(--subject-accent) 20%, transparent);
}

.academic-subject-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #94A3B8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.academic-subject-number {
  color: var(--subject-accent);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  font-size: 13px;
}

.academic-subject-title {
  align-self: center;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.32;
  color: #FFFFFF;
  overflow-wrap: anywhere;
}

.academic-subject-bottomline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #CBD5E1;
  font-size: 13px;
  font-weight: 500;
}

/* ==========================================================================
   5. COURSE GROUPS & LECTURE ROWS
   ========================================================================== */
.academic-course-group {
  margin-block: 22px 0;
  padding: clamp(20px, 2.5vw, 30px);
  border: 1px solid rgba(143, 174, 184, 0.16);
  border-radius: 12px;
  background: linear-gradient(160deg, #172D36 0%, #0F1F26 100%);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}

.academic-course-group h3 {
  margin: 0 0 16px;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 800;
  line-height: 1.3;
}

.academic-course-group h3 a {
  color: #FFFFFF;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.14s ease;
}

.academic-course-group h3 a:hover {
  color: #2DD4BF;
}

.academic-lecture-list {
  display: grid;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 0;
  border-block-start: 1px solid rgba(143, 174, 184, 0.14);
}

.academic-lecture-row {
  min-width: 0;
  padding: 6px 8px;
  border-block-end: 1px solid rgba(143, 174, 184, 0.12);
  border-radius: 6px;
  transition: background-color 0.14s ease;
}

.academic-lecture-row:hover {
  background: rgba(94, 234, 212, 0.05);
}

.academic-lecture-link {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 34px;
  align-items: center;
  gap: 14px;
  min-height: 54px;
  color: #F1F5F9;
  text-decoration: none;
}

.academic-lecture-link:hover .academic-lecture-title {
  color: #2DD4BF;
}

.academic-lecture-index {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(143, 174, 184, 0.2);
  border-radius: 8px;
  background: rgba(14, 27, 33, 0.7);
  color: #2DD4BF;
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.academic-lecture-title {
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.academic-file-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  margin: 0;
  padding: 4px 12px 8px 58px;
  color: #94A3B8;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.academic-file-kind {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  min-height: 22px;
  padding-inline: 6px;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 4px;
  background: rgba(239, 68, 68, 0.12);
  color: #F87171;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.academic-file-title {
  min-width: 0;
  overflow-wrap: anywhere;
}

.academic-file-meta small {
  margin-inline-start: auto;
  white-space: nowrap;
  color: #64748B;
  font-size: 12px;
}

.academic-empty-state {
  margin-block: 14px;
  padding: clamp(22px, 3vw, 36px);
  border-inline-start: 4px solid #2DD4BF;
  border-radius: 10px;
  background: linear-gradient(90deg, rgba(45, 212, 191, 0.08) 0%, rgba(15, 31, 38, 0.95) 100%);
  border: 1px solid rgba(143, 174, 184, 0.14);
  box-shadow: none;
}

.course-page.academic-context .breadcrumb {
  margin-block-end: 18px;
}

/* ==========================================================================
   6. RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 800px) {
  .academic-year-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .academic-editorial-head h2 {
    font-size: 24px;
  }
  .academic-editorial-head p {
    font-size: 14px;
  }
  .academic-year-card {
    min-height: 200px;
    padding: 20px;
  }
  .academic-year-title {
    font-size: 19px;
  }
}


/* ==========================================================================
   ACADEMIC LESSON PAGE — MODERN DENTAL POLISH
   ========================================================================== */
.app #pageMount > .page.lesson-page {
  max-width: 1040px;
  margin-inline: auto;
  padding: 0 0 48px;
}

.lesson-page .course-module-mount {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Breadcrumb */
.lesson-page .breadcrumb {
  margin-bottom: 4px;
}

.lesson-page .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 12px;
  background: rgba(16, 36, 45, 0.65);
  border: 1px solid rgba(143, 174, 184, 0.18);
  backdrop-filter: blur(8px);
  list-style: none;
  margin: 0;
}

.lesson-page .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #94A3B8;
}

.lesson-page .breadcrumb li a {
  color: #2DD4BF;
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

.lesson-page .breadcrumb li a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.lesson-page .breadcrumb li[data-separator]::after {
  content: '›';
  color: #64748B;
  font-size: 14px;
  font-weight: 900;
}

.lesson-page .breadcrumb li span[aria-current="page"] {
  color: #F8FAFC;
  font-weight: 800;
}

/* Lesson Header Hero */
.lesson-page .lesson-header {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 24px;
  padding: 28px 32px;
  border-radius: 16px;
  background: linear-gradient(135deg, #10242D 0%, #173847 52%, #0E1B22 100%);
  border: 1px solid rgba(45, 212, 191, 0.28);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.lesson-page .lesson-header::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.lesson-page .lesson-header-main {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1 1 340px;
  min-width: 0;
  justify-content: center;
}

.lesson-page .lesson-header .eyebrow {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(45, 212, 191, 0.12);
  border: 1px solid rgba(45, 212, 191, 0.32);
  color: #2DD4BF;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lesson-page .lesson-header h2 {
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.25;
  margin: 0;
  letter-spacing: -0.01em;
}

/* Metadata Badges */
.lesson-page .lesson-header .lesson-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 6px 0 0;
  padding: 0;
}

.lesson-page .lesson-header .lesson-meta > div {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.32);
  border: 1px solid rgba(143, 174, 184, 0.18);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
}

.lesson-page .lesson-header .lesson-meta dt {
  color: #94A3B8;
  font-weight: 700;
  margin: 0;
}

.lesson-page .lesson-header .lesson-meta dd {
  color: #F8FAFC;
  font-weight: 800;
  margin: 0;
}

/* Header Lecture Achievement Hero Card ("فوك يم القائمة") */
.lesson-page .lesson-header-achievement {
  flex: 0 1 380px;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: rgba(14, 27, 34, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-radius: 14px;
  padding: 16px 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  position: relative;
  z-index: 2;
  transition: all 0.25s ease;
}

.lesson-page .lesson-header-achievement:hover {
  border-color: rgba(45, 212, 191, 0.5);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.42), 0 0 20px rgba(45, 212, 191, 0.15);
}

.lesson-header-achievement-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.lesson-header-achievement-inner .achievement-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.lesson-header-achievement-inner .achievement-title-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 14px;
  color: #F8FAFC;
}

.lesson-header-achievement-inner .achievement-icon {
  font-size: 18px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4));
}

.lesson-header-achievement-inner .achievement-opp-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(45, 212, 191, 0.14);
  color: #2DD4BF;
  border: 1px solid rgba(45, 212, 191, 0.35);
  letter-spacing: 0.02em;
}

.lesson-header-achievement-inner .achievement-opp-badge.exhausted {
  background: rgba(239, 68, 68, 0.18);
  color: #FCA5A5;
  border-color: rgba(239, 68, 68, 0.35);
}

.lesson-header-achievement-inner .achievement-body-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lesson-header-achievement-inner .achievement-desc {
  margin: 0;
  font-size: 12px;
  color: #94A3B8;
  line-height: 1.5;
}

.lesson-header-achievement-inner .achievement-medal-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 800;
  font-size: 13px;
  width: fit-content;
}

.lesson-header-achievement-inner .achievement-medal-pill.gold {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.22) 0%, rgba(217, 119, 6, 0.22) 100%);
  color: #FCD34D;
  border: 1px solid rgba(251, 191, 36, 0.45);
  box-shadow: 0 0 12px rgba(251, 191, 36, 0.25);
}

.lesson-header-achievement-inner .achievement-medal-pill.silver {
  background: linear-gradient(135deg, rgba(226, 232, 240, 0.2) 0%, rgba(148, 163, 184, 0.2) 100%);
  color: #F1F5F9;
  border: 1px solid rgba(226, 232, 240, 0.4);
}

.lesson-header-achievement-inner .achievement-medal-pill.diamond {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.25) 0%, rgba(129, 140, 248, 0.25) 100%);
  color: #7DD3FC;
  border: 1px solid rgba(56, 189, 248, 0.45);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.3);
}

.lesson-header-achievement-inner .achievement-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.lesson-header-achievement-inner .btn-achievement-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-family: inherit;
}

.lesson-header-achievement-inner .btn-achievement-hero.primary {
  background: linear-gradient(135deg, #2DD4BF 0%, #0D9488 100%);
  color: #042F2E;
  box-shadow: 0 4px 14px rgba(45, 212, 191, 0.35);
}

.lesson-header-achievement-inner .btn-achievement-hero.primary:hover {
  background: linear-gradient(135deg, #5EEAD4 0%, #14B8A6 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(45, 212, 191, 0.45);
}

.lesson-header-achievement-inner .btn-achievement-hero.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #E2E8F0;
  border: 1px solid rgba(143, 174, 184, 0.32);
}

.lesson-header-achievement-inner .btn-achievement-hero.secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #FFFFFF;
  border-color: rgba(45, 212, 191, 0.45);
}

.lesson-header-achievement-inner .btn-achievement-hero.pulse {
  animation: pulseAchievement 2s infinite ease-in-out;
}

@keyframes pulseAchievement {
  0%, 100% { box-shadow: 0 4px 14px rgba(45, 212, 191, 0.35); }
  50% { box-shadow: 0 4px 22px rgba(45, 212, 191, 0.7); }
}

.lesson-header-achievement-inner .achievement-pending-text {
  font-size: 12px;
  color: #2DD4BF;
  font-weight: 700;
}

.lesson-header-achievement-inner .achievement-wait-text {
  font-size: 12px;
  color: #FBBF24;
  font-weight: 700;
}

/* Dedicated Container for Taking / Reviewing the Official Exam */
.lesson-achievement-container {
  background: linear-gradient(145deg, #122129 0%, #0E1A20 100%);
  border: 1px solid rgba(45, 212, 191, 0.35);
  border-radius: 16px;
  padding: 24px;
  margin: 18px 0;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
  animation: fadeInDownAchievement 0.28s ease-out;
}

@keyframes fadeInDownAchievement {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Lesson Content / Overview Card */
.lesson-page .lesson-content-card {
  background: linear-gradient(145deg, #122129 0%, #0E1A20 100%);
  border: 1px solid rgba(143, 174, 184, 0.2);
  border-radius: 16px;
  padding: 26px 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.lesson-page .lesson-content-card .eyebrow {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 6px;
  background: rgba(255, 158, 68, 0.12);
  border: 1px solid rgba(255, 158, 68, 0.28);
  color: #FF9E44;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lesson-page .lesson-content-card h3 {
  font-size: 20px;
  font-weight: 800;
  color: #FFFFFF;
  margin: 0;
}

.lesson-page .lesson-content-card > p {
  font-size: 15px;
  line-height: 1.7;
  color: #CBD5E1;
  margin: 0;
}

.lesson-page .lesson-placeholder {
  margin-top: 10px;
  padding: 18px 22px;
  border-radius: 12px;
  background: rgba(45, 212, 191, 0.05);
  border: 1px dashed rgba(45, 212, 191, 0.28);
}

.lesson-page .lesson-placeholder strong {
  display: block;
  color: #2DD4BF;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 4px;
}

.lesson-page .lesson-placeholder p {
  color: #94A3B8;
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
}

/* Lesson Documents & MCQ Sections */
.lesson-page .lesson-documents {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-block: 0;
  padding: 26px 30px;
  border-radius: 16px;
  background: linear-gradient(135deg, #10242D 0%, #0F1F26 100%);
  border: 1px solid rgba(143, 174, 184, 0.22);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.32);
}

.lesson-page .lesson-documents h3 {
  font-size: 18px;
  font-weight: 800;
  color: #FFFFFF;
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.lesson-page .lesson-documents h3::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 18px;
  background: #2DD4BF;
  border-radius: 2px;
}

/* MCQ Sets List inside Lesson Documents */
.lesson-page .lesson-documents > a.secondary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 22px;
  border-radius: 12px;
  text-decoration: none;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.08) 0%, rgba(16, 36, 45, 0.85) 100%);
  border: 1px solid rgba(45, 212, 191, 0.28);
  color: #F8FAFC;
  font-weight: 800;
  font-size: 15px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.lesson-page .lesson-documents > a.secondary::after {
  content: 'تدريب الأسئلة ←';
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 8px;
  background: rgba(45, 212, 191, 0.16);
  border: 1px solid rgba(45, 212, 191, 0.38);
  color: #2DD4BF;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
  transition: all 0.18s ease;
}

html[lang="en"] .lesson-page .lesson-documents > a.secondary::after,
[dir="ltr"] .lesson-page .lesson-documents > a.secondary::after {
  content: 'Start Practice →';
}

.lesson-page .lesson-documents > a.secondary:hover {
  transform: translateY(-2px);
  border-color: #2DD4BF;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.18) 0%, rgba(22, 54, 67, 0.95) 100%);
  box-shadow: 0 8px 24px rgba(45, 212, 191, 0.22);
}

.lesson-page .lesson-documents > a.secondary:hover::after {
  background: #2DD4BF;
  color: #0A161B;
}

.lesson-page .lesson-documents > p {
  color: #94A3B8;
  font-size: 14px;
  margin: 0;
  line-height: 1.6;
}

/* PDF Document Cards */
.lesson-page .lesson-document-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 20px 24px;
  border-radius: 14px;
  background: linear-gradient(135deg, #13242E 0%, #0E1A20 100%);
  border: 1px solid rgba(239, 68, 68, 0.28);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.28);
  transition: all 0.2s ease;
}

.lesson-page .lesson-document-card:hover {
  border-color: rgba(239, 68, 68, 0.55);
  box-shadow: 0 8px 26px rgba(239, 68, 68, 0.16);
}

.lesson-page .lesson-document-card > div:first-child {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.lesson-page .lesson-document-card strong {
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.lesson-page .lesson-document-card span {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #F87171;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.lesson-page .lesson-document-card > div:last-child {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Open PDF Button */
.lesson-page .lesson-document-card button.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, #FF9E44 0%, #F57C00 100%);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(245, 124, 0, 0.35);
  transition: all 0.18s ease;
}

.lesson-page .lesson-document-card button.primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(245, 124, 0, 0.5);
  filter: brightness(1.08);
}

.lesson-page .lesson-document-card button.primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Ask Beto about PDF Link */
.lesson-page .lesson-document-card a.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  text-decoration: none;
  background: rgba(45, 212, 191, 0.1);
  border: 1px solid rgba(45, 212, 191, 0.35);
  color: #2DD4BF;
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.lesson-page .lesson-document-card a.secondary:hover {
  transform: translateY(-2px);
  background: rgba(45, 212, 191, 0.22);
  border-color: #2DD4BF;
  color: #FFFFFF;
  box-shadow: 0 6px 18px rgba(45, 212, 191, 0.2);
}

/* Lesson Actions (Beto AI + Community) */
.lesson-page .lesson-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-top: 6px;
}

.lesson-page .lesson-actions a.secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 22px;
  border-radius: 12px;
  text-decoration: none;
  background: rgba(16, 36, 45, 0.72);
  border: 1px solid rgba(143, 174, 184, 0.2);
  color: #E2E8F0;
  font-weight: 800;
  font-size: 14px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.lesson-page .lesson-actions a.secondary:hover {
  background: rgba(45, 212, 191, 0.15);
  border-color: #2DD4BF;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Lesson Navigation Footer */
.lesson-page .lesson-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 14px;
  padding-top: 24px;
  border-top: 1px solid rgba(143, 174, 184, 0.18);
}

.lesson-page .lesson-navigation > div:last-child {
  text-align: end;
}

.lesson-page .lesson-navigation a.secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  background: rgba(16, 36, 45, 0.6);
  border: 1px solid rgba(143, 174, 184, 0.2);
  color: #CBD5E1;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.18s ease;
}

.lesson-page .lesson-navigation a.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.3);
}

.lesson-page .lesson-navigation a.primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  text-decoration: none;
  background: linear-gradient(135deg, #FF9E44 0%, #F57C00 100%);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 4px 14px rgba(245, 124, 0, 0.35);
  transition: all 0.18s ease;
}

.lesson-page .lesson-navigation a.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(245, 124, 0, 0.5);
  filter: brightness(1.08);
}

@media (max-width: 600px) {
  .lesson-page .course-module-mount {
    grid-template-columns: minmax(0, 1fr);
  }
  .lesson-page .course-module-mount > *,
  .lesson-page .lesson-header-achievement {
    min-width: 0;
  }
  .lesson-page .lesson-header {
    overflow-wrap: anywhere;
  }
  .lesson-header-achievement-inner .achievement-top-row,
  .lesson-header-achievement-inner .achievement-medal-pill {
    flex-wrap: wrap;
    max-width: 100%;
  }
  .lesson-page .lesson-header {
    padding: 22px 20px;
  }
  .lesson-page .lesson-document-card {
    flex-direction: column;
    align-items: stretch;
  }
  .lesson-page .lesson-document-card > div:last-child {
    flex-direction: column;
  }
  .lesson-page .lesson-document-card button.primary,
  .lesson-page .lesson-document-card a.secondary {
    width: 100%;
  }
  .lesson-page .lesson-navigation {
    grid-template-columns: 1fr;
  }
  .lesson-page .lesson-navigation > div:last-child {
    text-align: start;
  }
  .lesson-page .lesson-navigation a {
    width: 100%;
    justify-content: center;
  }
}

/* Lesson Achievements Section */
.lesson-page .lesson-achievements-section {
  border-top: 3px solid #FF9E44;
  background: linear-gradient(135deg, #142831 0%, #0F1E25 100%);
  margin-block: 0;
}

.lesson-page .lesson-achievements-section h3::before {
  background: #FF9E44;
}

.lesson-achievement-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 22px;
  border-radius: 12px;
  background: rgba(14, 26, 31, 0.8);
  border: 1px solid rgba(255, 158, 68, 0.25);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}

.lesson-medal-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 8px;
  background: rgba(255, 158, 68, 0.15);
  border: 1px solid rgba(255, 158, 68, 0.4);
  color: #FF9E44;
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 8px;
}

.lesson-achievement-opportunities {
  color: #CBD5E1;
  font-size: 13px;
  margin: 0;
}

.lesson-achievement-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.lesson-achievement-actions button.primary {
  padding: 10px 20px;
  border-radius: 8px;
  background: linear-gradient(135deg, #FF9E44 0%, #F57C00 100%);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 13px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all 0.16s ease;
  box-shadow: 0 4px 14px rgba(245, 124, 0, 0.35);
}

.lesson-achievement-actions button.primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.lesson-achievement-actions button.secondary {
  padding: 10px 18px;
  border-radius: 8px;
  background: rgba(45, 212, 191, 0.1);
  color: #2DD4BF;
  font-weight: 700;
  font-size: 13px;
  border: 1px solid rgba(45, 212, 191, 0.3);
  cursor: pointer;
  transition: all 0.16s ease;
}

.lesson-achievement-actions button.secondary:hover {
  background: #2DD4BF;
  color: #0E1B21;
}

.lesson-achievement-wait,
.lesson-achievement-pending {
  color: #94A3B8;
  font-size: 13px;
  margin: 0;
}

/* ==========================================================================
   BETOOTH - MCQ Interactive Graphical Dental Journey & Stage Separation
   ========================================================================== */
.mcq-academic-stage-nav {
  margin-block: 0.75rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Interactive Dental Journey Roadmap Track */
.mcq-stage-tabs-track {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.85rem;
  padding: 0.85rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
  position: relative;
}

@media (max-width: 900px) {
  .mcq-stage-tabs-track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 1rem;
    scrollbar-width: thin;
  }
}

.mcq-stage-tab {
  --tab-accent: var(--betooth-cyan, #06b6d4);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.65rem;
  padding: 1rem 0.85rem;
  border-radius: 14px;
  background: var(--surface-soft);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  min-width: 150px;
  scroll-snap-align: start;
}

.mcq-stage-tab[data-year="1"] { --tab-accent: #FF9E44; }
.mcq-stage-tab[data-year="2"] { --tab-accent: #38BDF8; }
.mcq-stage-tab[data-year="3"] { --tab-accent: #34D399; }
.mcq-stage-tab[data-year="4"] { --tab-accent: #818CF8; }
.mcq-stage-tab[data-year="5"] { --tab-accent: #FBBF24; }

.mcq-stage-tab::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, color-mix(in srgb, var(--tab-accent) 22%, transparent) 0%, transparent 75%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.mcq-stage-tab:hover {
  transform: translateY(-4px);
  background: color-mix(in srgb, var(--tab-accent) 8%, var(--surface-soft));
  border-color: color-mix(in srgb, var(--tab-accent) 45%, transparent);
  box-shadow: 0 10px 24px -4px color-mix(in srgb, var(--tab-accent) 25%, transparent);
  color: var(--text-primary);
}

.mcq-stage-tab:hover::before,
.mcq-stage-tab.is-active::before {
  opacity: 1;
}

.mcq-stage-tab.is-active {
  background: color-mix(in srgb, var(--tab-accent) 14%, var(--surface));
  border-color: var(--tab-accent);
  box-shadow: 0 0 0 2px var(--tab-accent), 0 12px 30px -6px color-mix(in srgb, var(--tab-accent) 40%, transparent);
  color: var(--text-primary);
  transform: translateY(-3px);
}

.mcq-tab-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-inline: 0.2rem;
  z-index: 1;
}

.mcq-tab-num {
  font-size: 0.8125rem;
  font-weight: 900;
  color: var(--tab-accent);
  letter-spacing: 0.05em;
}

.mcq-tab-badge {
  font-size: 0.75rem;
  font-weight: 850;
  padding: 2px 7px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.mcq-stage-tab.is-active .mcq-tab-badge {
  background: var(--tab-accent);
  color: #0E1B21;
  border-color: var(--tab-accent);
  font-weight: 900;
}

.mcq-tab-art-wrap {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--tab-accent) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--tab-accent) 30%, transparent);
  color: var(--tab-accent);
  transition: all 0.25s ease;
  z-index: 1;
}

.mcq-tab-art {
  width: 30px;
  height: 30px;
}

.mcq-stage-tab:hover .mcq-tab-art-wrap,
.mcq-stage-tab.is-active .mcq-tab-art-wrap {
  transform: scale(1.15) rotate(3deg);
  box-shadow: 0 0 16px color-mix(in srgb, var(--tab-accent) 45%, transparent);
  background: color-mix(in srgb, var(--tab-accent) 22%, var(--surface));
}

.mcq-tab-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  width: 100%;
  z-index: 1;
}

.mcq-tab-title {
  font-size: 0.9375rem;
  font-weight: 850;
  color: var(--text-primary);
  line-height: 1.3;
}

.mcq-tab-focus {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* Stage Editorial Banner */
.mcq-stage-banner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, color-mix(in srgb, var(--tab-accent, #06b6d4) 14%, #10242D) 0%, #0D1B21 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .mcq-stage-banner {
    grid-template-columns: 1fr;
  }
}

.mcq-stage-banner[data-year="1"] { --tab-accent: #FF9E44; }
.mcq-stage-banner[data-year="2"] { --tab-accent: #38BDF8; }
.mcq-stage-banner[data-year="3"] { --tab-accent: #34D399; }
.mcq-stage-banner[data-year="4"] { --tab-accent: #818CF8; }
.mcq-stage-banner[data-year="5"] { --tab-accent: #FBBF24; }

.mcq-stage-banner::after {
  content: '';
  position: absolute;
  inset-inline-end: -40px;
  inset-block-end: -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--tab-accent, #06b6d4) 20%, transparent) 0%, transparent 70%);
  pointer-events: none;
}

.mcq-stage-banner-main {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  z-index: 1;
}

.mcq-stage-banner-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tab-accent, #2DD4BF);
}

.mcq-stage-banner-title {
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 850;
  margin: 0;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  line-height: 1.25;
}

.mcq-stage-banner-focus {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #CBD5E1;
  margin: 0;
  max-width: 72ch;
}

.mcq-stage-banner-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.mcq-banner-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 750;
  color: #E2E8F0;
  backdrop-filter: blur(4px);
}

.mcq-banner-pill .ui-icon {
  width: 14px;
  height: 14px;
  color: var(--tab-accent, #2DD4BF);
}

.mcq-stage-banner-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.mcq-banner-art-frame {
  width: 90px;
  height: 90px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--tab-accent, #06b6d4) 18%, rgba(255, 255, 255, 0.05));
  border: 1px solid color-mix(in srgb, var(--tab-accent, #06b6d4) 40%, transparent);
  display: grid;
  place-items: center;
  box-shadow: 0 0 25px color-mix(in srgb, var(--tab-accent, #06b6d4) 25%, transparent);
}

.mcq-banner-art-frame .mcq-tab-art {
  width: 48px;
  height: 48px;
}

/* Card stage tag & visual meters */
.mcq-stage-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  background: color-mix(in srgb, var(--tag-color, #06b6d4) 15%, var(--surface));
  color: var(--tag-color, #06b6d4);
  border: 1px solid color-mix(in srgb, var(--tag-color, #06b6d4) 35%, transparent);
  margin-bottom: 0.6rem;
  width: fit-content;
}

.mcq-stage-tag[data-year="1"] { --tag-color: #FF9E44; }
.mcq-stage-tag[data-year="2"] { --tag-color: #38BDF8; }
.mcq-stage-tag[data-year="3"] { --tag-color: #34D399; }
.mcq-stage-tag[data-year="4"] { --tag-color: #818CF8; }
.mcq-stage-tag[data-year="5"] { --tag-color: #FBBF24; }

.mcq-stage-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

/* Graphical Difficulty Gauge on MCQ Cards */
.mcq-card-diff-gauge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-inline-start: auto;
  font-size: 0.75rem;
  font-weight: 750;
  color: var(--text-secondary);
}

.mcq-diff-bars {
  display: flex;
  align-items: center;
  gap: 3px;
}

.mcq-diff-bar {
  width: 6px;
  height: 12px;
  border-radius: 2px;
  background: var(--line-strong, #334155);
  transition: all 0.2s ease;
}

.mcq-diff-bar.is-lit.diff-easy {
  background: #10B981;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.5);
}

.mcq-diff-bar.is-lit.diff-med {
  background: #F59E0B;
  box-shadow: 0 0 6px rgba(245, 158, 11, 0.5);
}

.mcq-diff-bar.is-lit.diff-hard {
  background: #EF4444;
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.5);
}

/* Stage empty state */
.mcq-stage-empty {
  display: none !important;
}