/* ─────────────────────────────────────────────────────────
   Module View - DB-driven module detail page.
   Apple-inspired editorial layout with branded 10x watermark.
   ───────────────────────────────────────────────────────── */

.module-page {
  position: relative;
  padding: 64px 24px 96px;
  direction: rtl;
  isolation: isolate;
  overflow: hidden;
}

.module-page-inner {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  z-index: 1;
}

/* ── Decorative background glows ─────────────────── */

.module-page-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.module-page-bg-glow {
  position: absolute;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
}

.module-page-bg-glow--top {
  top: -260px;
  right: -180px;
  background: radial-gradient(circle, rgba(8, 148, 255, 0.18), rgba(98, 98, 234, 0.08) 55%, transparent 75%);
}

.module-page-bg-glow--bottom {
  bottom: -300px;
  left: -200px;
  background: radial-gradient(circle, rgba(189, 50, 214, 0.10), rgba(255, 163, 4, 0.06) 55%, transparent 75%);
}

/* ── Back navigation ─────────────────────────────── */

.module-back-nav {
  margin-bottom: 56px;
}

.module-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-body);
  color: var(--text-tertiary);
  text-decoration: none;
  padding: 8px 14px 8px 18px;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease;
}

.module-back-link:hover {
  color: var(--primary-color);
  background: var(--primary-light);
}

.module-back-link .fa-arrow-right {
  font-size: 11px;
  transition: transform 0.2s ease;
}

.module-back-link:hover .fa-arrow-right {
  transform: translateX(3px);
}

/* ── Hero ────────────────────────────────────────── */

.module-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 56px 24px 72px;
  margin-bottom: 24px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse at 25% 20%, rgba(8, 148, 255, 0.08), transparent 55%),
    radial-gradient(ellipse at 80% 90%, rgba(189, 50, 214, 0.07), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(239, 246, 255, 0.45));
  border: 1px solid rgba(98, 98, 234, 0.08);
}

.module-page::before {
  content: '10x';
  position: absolute;
  top: 22%;
  left: 50%;
  transform: translate(-50%, -30%);
  font-family: 'Noto Sans Hebrew', 'Helvetica Neue', 'Open Sans', -apple-system, sans-serif;
  font-size: 62vw;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.85;
  white-space: nowrap;
  background: linear-gradient(
    160deg,
    rgba(8, 148, 255, 0.09) 0%,
    rgba(189, 50, 214, 0.03) 40%,
    rgba(100, 98, 234, 0.06) 70%,
    rgba(255, 163, 4, 0.08) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.module-hero-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 104px;
  height: 104px;
  margin: 0 0 28px;
  border-radius: var(--radius-xl);
  background: linear-gradient(150deg, #FFFFFF, rgba(239, 246, 255, 0.9));
  border: 1px solid rgba(0, 113, 227, 0.1);
  color: var(--primary-color);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, var(--shadow-md);
}

.module-hero-icon i {
  font-size: 48px;
  line-height: 1;
}

.module-hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 26px;
}

.module-hero-eyebrow {
  color: var(--primary-color);
  font-weight: 600;
}

.module-hero-divider {
  opacity: 0.5;
}

.module-hero-counter {
  font-weight: 500;
}

.module-hero-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 5vw, 56px);
  font-weight: 700;
  color: var(--text-color);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin: 0 auto 22px;
  max-width: 18ch;
}

.module-hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(18px, 1.6vw, 21px);
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.55;
  max-width: 640px;
  margin: 0 auto;
}

/* ── Section spacing ─────────────────────────────── */

.module-section {
  margin-bottom: 72px;
}

.module-section--description {
  margin-bottom: 56px;
}

.module-section-heading {
  text-align: center;
  margin-bottom: 40px;
}

.module-section-eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: 40.32px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 16px;
}

.module-section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 700;
  color: var(--text-color);
  letter-spacing: -0.025em;
  margin: 0;
}

/* ── Prose ───────────────────────────────────────── */

.module-prose {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
}

.module-prose p {
  margin: 0 0 16px;
}

.module-prose p:last-child {
  margin-bottom: 0;
}

.module-prose strong {
  color: var(--text-color);
  font-weight: 600;
}

/* The page-description prose is the editorial lead and reads slightly
   larger than chapter and AI prose. */
.module-section--description .module-prose {
  font-size: 19px;
  text-align: center;
}

/* ── AI context card ─────────────────────────────── */

.module-ai-context {
  position: relative;
  background: linear-gradient(135deg, #EEF4FF 0%, #F5EEFF 100%);
  border: 1px solid rgba(98, 98, 234, 0.12);
  border-radius: var(--radius-xl);
  padding: 44px 52px;
  margin-bottom: 80px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.module-ai-context::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(8, 148, 255, 0.08), transparent 60%);
  pointer-events: none;
}

.module-ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-color);
  letter-spacing: -0.005em;
  margin-bottom: 18px;
  position: relative;
}

.module-ai-badge i {
  font-size: 18px;
  color: #6462EA;
}

.module-prose--ai {
  position: relative;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-color);
  max-width: none;
  margin: 0;
}

/* ── Chapters ────────────────────────────────────── */

.module-chapters {
  display: grid;
  gap: 20px;
}

.module-chapter {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse at 15% 10%, rgba(8, 148, 255, 0.1), transparent 65%),
    radial-gradient(ellipse at 90% 95%, rgba(189, 50, 214, 0.07), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(239, 246, 255, 0.55));
  backdrop-filter: blur(8px);
  border: 1px solid rgba(98, 98, 234, 0.12);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: 0 2px 12px rgba(0, 60, 130, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.module-chapter:hover {
  transform: translateY(-2px);
  border-color: rgba(98, 98, 234, 0.22);
  box-shadow: 0 10px 32px rgba(0, 60, 130, 0.1);
}

.module-chapter-header {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 12px;
}

.module-chapter-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--primary-color);
  opacity: 0.55;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  padding-top: 2px;
}

.module-chapter-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-color);
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0;
}

.module-chapter-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: none;
  margin: 0 0 24px 56px;
}

.module-chapter-desc p {
  margin: 0 0 12px;
}

.module-chapter-desc p:last-child {
  margin-bottom: 0;
}

/* ── Subjects ─────────────────────────────────────── */

.module-subjects {
  list-style: none;
  padding: 0;
  margin: 18px 56px 0 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.module-subject {
  position: relative;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-light);
}

.module-subject:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.module-subject-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-color);
  line-height: 1.4;
  margin-bottom: 6px;
  letter-spacing: -0.005em;
}

.module-subject-bullet {
  font-size: 6px;
  color: var(--primary-color);
  opacity: 0.7;
  flex-shrink: 0;
  position: relative;
  top: -3px;
}

.module-subject-desc {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
  padding-right: 18px;
}

.module-subject-desc p {
  margin: 0 0 8px;
}

.module-subject-desc p:last-child {
  margin-bottom: 0;
}

/* ── Stats Bar ───────────────────────────────────── */

.module-stats {
  display: flex;
  justify-content: center;
  gap: 80px;
  padding: 48px 0;
  margin-bottom: 64px;
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
}

/* Stats block sits at the top of the page (below the hero, above the
   quick-nav). Tightens the default padding/margin so the compact nav
   and page description stay close to the fold. */
.module-stats--top {
  padding: 28px 0;
  margin-top: 8px;
  margin-bottom: 24px;
  gap: 56px;
}

.module-stats--top .module-stat-num {
  font-size: 36px;
  margin-bottom: 6px;
}

.module-stats--top .module-stat-label {
  font-size: 16px;
}

.module-stat {
  text-align: center;
}

.module-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}

.module-stat-label {
  font-family: var(--font-body);
  font-size: 20px;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ── Prev/Next Navigation ───────────────────────── */

.module-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 56px;
}

/* Compact variant rendered between the hero and the page description.
   Hides the module title so the quick-jump buttons stay small and
   unobtrusive - the full title is still announced on hover via the
   router-link's `title` attribute. */
.module-nav--top {
  margin-top: 0;
  margin-bottom: 48px;
  gap: 12px;
}

.module-nav--top .module-nav-link {
  flex-direction: row;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  gap: 0;
}

.module-nav--top .module-nav-title {
  display: none;
}

.module-nav--top .module-nav-direction {
  font-size: 13px;
  letter-spacing: 0.12em;
}

.module-nav-spacer {
  display: block;
}

.module-nav-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
}

.module-nav-link:hover {
  border-color: var(--primary-color);
  background: var(--primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.module-nav-direction {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--text-tertiary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}

.module-nav-direction i {
  font-size: 14px;
}

.module-nav-title {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-color);
  line-height: 1.3;
  letter-spacing: -0.005em;
}

.module-nav-prev {
  align-items: flex-end;
  text-align: end;
}

.module-nav-next {
  align-items: flex-start;
  text-align: start;
}

/* ── CTA ─────────────────────────────────────────── */

.module-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── Loading / Error ─────────────────────────────── */

.module-error {
  text-align: center;
  padding: 96px 0;
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--text-tertiary);
}

/* ── Tablet ──────────────────────────────────────── */

@media (max-width: 1024px) {
  .module-page {
    padding: 48px 24px 72px;
  }

  .module-back-nav {
    margin-bottom: 36px;
  }

  .module-hero {
    padding-top: 24px;
    padding-bottom: 48px;
  }

  .module-hero-icon {
    width: 80px;
    height: 80px;
  }

  .module-hero-icon i {
    font-size: 36px;
  }

  .module-ai-context {
    padding: 36px 32px;
  }

  .module-chapter {
    padding: 30px 32px;
  }

  .module-chapter-desc,
  .module-subjects {
    margin-right: 48px;
  }

  .module-stats {
    gap: 48px;
    padding: 36px 0;
  }

  .module-stat-num {
    font-size: 38px;
  }
}

/* ── Phone ───────────────────────────────────────── */

@media (max-width: 767px) {
  .module-page {
    padding: 32px 18px 56px;
  }

  .module-back-nav {
    margin-bottom: 24px;
  }

  .module-back-link {
    min-height: 44px;
    padding: 10px 14px 10px 18px;
  }

  .module-hero {
    padding: 40px 20px 44px;
    border-radius: var(--radius-lg);
  }

  .module-hero-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    border-radius: var(--radius-lg);
  }

  .module-hero-icon i {
    font-size: 36px;
  }

  .module-hero-meta {
    font-size: 15px;
    gap: 10px;
    margin-bottom: 18px;
  }

  .module-hero-title {
    font-size: 32px;
  }

  .module-hero-tagline {
    font-size: 17px;
  }

  .module-section {
    margin-bottom: 56px;
  }

  .module-section--description .module-prose {
    font-size: 17px;
    text-align: right;
  }

  .module-prose {
    font-size: 16px;
  }

  .module-ai-context {
    padding: 28px 22px;
    border-radius: var(--radius-lg);
    margin-bottom: 56px;
  }

  .module-prose--ai {
    font-size: 16px;
  }

  .module-section-title {
    font-size: 24px;
  }

  .module-section-eyebrow {
    font-size: 33.6px;
    margin-bottom: 12px;
  }

  .module-chapter-num {
    font-size: 16px;
  }

  .module-stat-label {
    font-size: 15px;
  }

  .module-nav-direction {
    font-size: 14px;
  }

  .module-chapter {
    padding: 24px 22px;
  }

  .module-chapter-header {
    gap: 12px;
  }

  .module-chapter-title {
    font-size: 19px;
  }

  .module-chapter-desc {
    margin-right: 0;
    font-size: 15px;
  }

  .module-subjects {
    margin-right: 0;
    gap: 14px;
  }

  .module-subject-title {
    font-size: 15px;
  }

  .module-subject-desc {
    font-size: 14px;
    padding-right: 16px;
  }

  .module-stats {
    gap: 24px;
    padding: 28px 0;
    flex-wrap: wrap;
  }

  .module-stat-num {
    font-size: 32px;
  }

  .module-nav {
    grid-template-columns: 1fr;
  }

  .module-nav-link {
    padding: 18px 22px;
    min-height: 44px;
  }

  .module-cta {
    flex-direction: column;
    align-items: center;
  }

  .module-cta .btn-primary,
  .module-cta .btn-secondary {
    width: 100%;
    max-width: 320px;
    text-align: center;
  }
}