/* ═══════════════════════════════════════
   BOOK LIST PAGE — Lesson Catalog
   Cards, Sections, Sidebar, Final Quiz
   ═══════════════════════════════════════ */

.page-header {
  position: relative; z-index: 1;
  max-width: 1220px; margin: 0 auto;
  padding: 2rem 2.5rem 1rem;
}

.book-header-main {
  margin-bottom: 0.8rem;
}

.book-header-copy { min-width: 0; }

.book-eyebrow {
  font-family: 'Nunito', sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 0.7rem;
  display: inline-block;
  padding: 4px 14px;
  background: var(--surface-tint);
  border: 1.5px solid var(--brand-light);
  border-radius: var(--radius-full);
}

.page-header h1 {
  font-family: 'Amiri', serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.page-header h1 span {
  display: block;
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mid);
  margin-top: 0.2rem;
}

.page-intro {
  font-family: 'Nunito', sans-serif;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-mid);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 0;
}

.intro-mobile { display: none; }

/* ── Header Meta Row (legend, stats, quick-actions) ── */
.header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

/* ── Status Legend ── */
.lesson-status-legend {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  font-family: 'Nunito', sans-serif;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin: 0;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  background: var(--surface-card);
  border: 1.5px solid rgba(124, 92, 252, 0.08);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-dot--muted   { background: rgba(14, 36, 32, 0.12); }
.legend-dot--progress {
  background: var(--amber);
  box-shadow: 0 0 6px rgba(251, 146, 60, 0.4);
}
.legend-dot--complete {
  background: var(--success);
  box-shadow: 0 0 6px rgba(74, 222, 128, 0.4);
}

.legend-lock-icon {
  font-size: 0.7rem;
  font-weight: 900;
  color: var(--text-mid);
  font-family: 'Nunito', sans-serif;
}

/* ── Header Stats ── */
.header-stats {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  flex-shrink: 0;
}

.stat {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.45rem 0.8rem;
  background: var(--surface-card);
  border: 1.5px solid rgba(124, 92, 252, 0.08);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xs);
  white-space: nowrap;
}

.stat-number {
  font-family: 'Amiri', serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--brand);
  line-height: 1;
}

.stat-label {
  font-family: 'Nunito', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Quick-actions overrides for header meta row */
.page-header .quick-actions {
  display: flex;
  gap: 8px;
  width: auto;
  max-width: none;
  margin: 0;
  flex-shrink: 0;
}

.page-header .quick-action-btn {
  padding: 0.55rem 1rem;
  flex-direction: row;
  gap: 6px;
  min-height: 0;
}

.page-header .quick-action-icon {
  font-size: 1rem;
}

.page-header .quick-action-label {
  font-size: 0.7rem;
}

.header-rule {
  margin: 1.2rem 0 0;
  height: 1.5px;
  background: linear-gradient(to right, rgba(124, 92, 252, 0.12), transparent);
  border: none;
}

/* ── Main Layout ── */
.main-layout {
  position: relative; z-index: 1;
  max-width: 1220px; margin: 0 auto;
  padding: 0 2.5rem 6rem;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3.5rem;
  align-items: start;
}

/* ── Sidebar ── */
.sidebar {
  position: sticky; top: 84px;
}

.sidebar-title {
  font-family: 'Nunito', sans-serif;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
  padding-left: 0.8rem;
}

.section-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  color: var(--text-mid);
  font-family: 'Nunito', sans-serif;
  font-size: 0.84rem;
  font-weight: 600;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  margin-bottom: 3px;
  border: 1.5px solid transparent;
}
.section-nav-item:hover {
  background: var(--surface-tint);
  color: var(--text-dark);
  transform: translateX(4px);
}
.section-nav-item.active {
  background: var(--surface-tint);
  color: var(--brand);
  font-weight: 800;
  border-color: var(--brand-light);
  box-shadow: 0 2px 8px var(--brand-glow);
  transform: translateX(4px);
}

.section-nav-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(14, 36, 32, 0.12);
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.section-nav-item.active .section-nav-dot {
  background: var(--accent-coral);
  transform: scale(1.5);
  box-shadow: 0 0 6px rgba(255, 107, 122, 0.4);
}

/* ── Sections & Lessons ── */
.lessons-content { min-width: 0; }
.section-block { margin-bottom: 3.5rem; }

.section-header {
  display: flex; align-items: flex-start; gap: 1rem;
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(124, 92, 252, 0.07);
}

.section-number {
  font-family: 'Amiri', serif;
  font-size: 2.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.7;
  line-height: 1;
  flex-shrink: 0;
  margin-top: -3px;
}

.section-info { flex: 1; }

.section-title {
  font-family: 'Nunito', sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 0.3rem;
}

.section-desc {
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.6;
}

.section-tag {
  font-family: 'Nunito', sans-serif;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--success-dark);
  background: var(--success-bg);
  border: 1.5px solid var(--success-border);
  border-radius: var(--radius-full);
  padding: 5px 14px;
  white-space: nowrap;
  flex-shrink: 0;
  align-self: flex-start;
  margin-top: 4px;
}

/* ── Lesson Cards ── */
.lesson-card {
  background: var(--surface-card);
  border: 2px solid rgba(124, 92, 252, 0.07);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 3px 0 rgba(124, 92, 252, 0.06), var(--shadow-xs);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lesson-card:not(.lesson-card--locked):hover {
  transform: translateY(-5px);
  border-color: var(--brand-light);
  box-shadow: 0 8px 0 rgba(124, 92, 252, 0.08), var(--shadow-md);
}

.lesson-card-main {
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: center;
  gap: 1.3rem;
  padding: 1.1rem 1.6rem;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.lesson-card-main:focus-visible {
  outline: 2.5px solid var(--brand);
  outline-offset: -3px;
  z-index: 1;
  border-radius: 4px;
}

/* Completed lesson */
.lesson-card--complete {
  border-left: 5px solid var(--success);
  border-color: rgba(74, 222, 128, 0.25);
  background: linear-gradient(to right, #f0fdf4, var(--surface-card) 40%);
  margin-bottom: 6px;
}
.lesson-card--complete .lesson-card-main {
  padding: 0.55rem 1.1rem;
}
.lesson-card--complete .lesson-num-badge {
  background: #D1FAE5;
  border-color: var(--success);
  color: var(--success-dark);
  width: 36px; height: 36px; font-size: 0.95rem;
}
.lesson-card--complete .lesson-arabic {
  font-size: 1rem;
}
.lesson-card--complete .lesson-title {
  font-size: 0.88rem;
}
.lesson-card--complete .lesson-desc {
  display: none;
}

/* In-progress lesson */
.lesson-card--in-progress {
  border-left: 5px solid var(--amber);
  border-color: rgba(251, 146, 60, 0.22);
  background: linear-gradient(to right, #fff7ed, var(--surface-card) 40%);
}
.lesson-card--in-progress .lesson-num-badge {
  background: var(--amber-bg);
  border-color: var(--amber);
  color: var(--amber-dark);
}

.lesson-num-badge {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--surface-tint);
  border: 2.5px solid rgba(124, 92, 252, 0.12);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Amiri', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--brand);
  flex-shrink: 0;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.lesson-card:not(.lesson-card--locked):hover .lesson-num-badge {
  transform: scale(1.12) rotate(-3deg);
  border-color: var(--brand);
  box-shadow: 0 0 14px var(--brand-glow);
}

.lesson-card--locked {
  background: rgba(14, 36, 32, 0.015);
  border-color: rgba(14, 36, 32, 0.04);
  opacity: 0.48;
}
.lesson-card--locked .lesson-arabic,
.lesson-card--locked .lesson-title,
.lesson-card--locked .lesson-desc { color: var(--text-muted); }
.lesson-card--locked .lesson-num-badge {
  background: rgba(14, 36, 32, 0.03);
  border-color: rgba(14, 36, 32, 0.06);
  color: var(--text-mid);
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 900;
}
.lesson-card--locked .chips { opacity: 0.4; }
.lesson-card--locked .lesson-card-main {
  pointer-events: none;
  cursor: not-allowed;
}

/* ── Lesson Card Buttons (current lesson) ── */
.lesson-card-btns {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.lesson-continue-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 1;
  min-width: 140px;
  padding: 10px 22px;
  font-family: 'Nunito', sans-serif;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 0 5px 0 var(--brand-dark);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  white-space: nowrap;
}

.lesson-continue-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 7px 0 var(--brand-dark);
}

.lesson-continue-btn:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--brand-dark);
}

/* ── Skip-to-Quiz CTA ── */
.lesson-skip-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 0;
  padding: 10px 16px;
  font-family: 'Nunito', sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--cta-orange-text);
  background: linear-gradient(135deg, var(--cta-orange-light), var(--cta-orange));
  border: 2px solid var(--cta-orange-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 5px 0 var(--cta-orange-border), 0 8px 20px rgba(249, 115, 22, 0.2);
  transition: all 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
  animation: gentleFloat 3s ease-in-out infinite;
  white-space: nowrap;
  flex-shrink: 0;
}
.lesson-skip-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 0 var(--cta-orange-border), 0 12px 28px rgba(249, 115, 22, 0.3);
}
.lesson-skip-btn:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 var(--cta-orange-border);
}
.lesson-skip-btn::before {
  content: '⚡';
  font-size: 0.9rem;
}

/* ── Lesson Text ── */
.lesson-text { min-width: 0; }
.lesson-arabic {
  font-family: 'Amiri', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 2px;
  direction: rtl;
}
.lesson-title {
  font-family: 'Nunito', sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 3px;
}
.lesson-desc {
  font-family: 'Nunito', sans-serif;
  font-size: 0.84rem;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.5;
}

/* ── Final Quiz Card ── */
.final-quiz-card {
  background: var(--surface-card);
  border: 2.5px solid var(--accent-gold);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  text-align: center;
  margin-top: 3rem;
  box-shadow: var(--shadow-md), 0 0 40px rgba(251, 191, 36, 0.15);
  position: relative;
  overflow: hidden;
}
.final-quiz-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-lemon), var(--accent-gold));
}

.final-quiz-ornament {
  font-family: 'Amiri', serif;
  font-size: 1.8rem;
  color: var(--accent-coral);
  margin-bottom: 0.5rem;
}
.final-quiz-label {
  font-family: 'Nunito', sans-serif;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 0.4rem;
}
.final-quiz-arabic {
  font-family: 'Amiri', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.6rem;
}
.final-quiz-desc {
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-mid);
  max-width: 420px;
  margin: 0 auto 1.5rem;
  line-height: 1.7;
}
.final-quiz-btn {
  display: inline-block;
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  border-radius: var(--radius-md);
  padding: 0.9rem 2.6rem;
  text-decoration: none;
  opacity: 0.4;
  pointer-events: none;
  transition: all 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 6px 0 var(--brand-dark);
}
.final-quiz-btn.unlocked {
  opacity: 1;
  pointer-events: auto;
  box-shadow: 0 6px 0 var(--brand-dark), 0 10px 28px var(--brand-glow);
  animation: pulseGlow 2s ease-in-out infinite;
}
.final-quiz-btn.unlocked:hover {
  transform: translateY(-3px);
  box-shadow: 0 9px 0 var(--brand-dark), 0 14px 36px rgba(124, 92, 252, 0.35);
}
.final-quiz-btn.unlocked:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 var(--brand-dark);
}
.final-quiz-note {
  font-family: 'Nunito', sans-serif;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 0.7rem;
}

/* ── Reset Button ── */
.book-reset-wrap {
  margin-top: 2.5rem;
  padding-bottom: 1rem;
  text-align: center;
}
.btn-reset-progress {
  padding: 0.55rem 1.5rem;
  font-family: 'Nunito', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: transparent;
  border: 1.5px solid rgba(14, 36, 32, 0.08);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-reset-progress:hover {
  color: var(--red-dark);
  border-color: var(--red);
  background: var(--red-bg);
}
.btn-reset-progress:focus-visible {
  outline: 2.5px solid var(--brand);
  outline-offset: 3px;
}

/* ── Section Animations ── */
.section-block {
  animation: fadeUp 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}
.section-block:nth-child(1) { animation-delay: 0.05s; }
.section-block:nth-child(2) { animation-delay: 0.12s; }
.section-block:nth-child(3) { animation-delay: 0.19s; }
.section-block:nth-child(4) { animation-delay: 0.26s; }
.section-block:nth-child(5) { animation-delay: 0.33s; }

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 860px) {
  .book-header-main { grid-template-columns: 1fr; gap: 1rem; }
  .main-layout { grid-template-columns: 1fr; gap: 1rem; }
  .sidebar { position: static; display: none; }
  .page-header, .main-layout { padding-left: 1.2rem; padding-right: 1.2rem; }
  .page-header { padding-top: 2rem; }
  .header-meta { gap: 0.6rem; }
  .header-stats { gap: 0.5rem; }
  .lesson-card-main { grid-template-columns: 48px 1fr; padding-right: 1.2rem; }
  .lesson-num-badge { width: 48px; height: 48px; font-size: 1.2rem; }
}

@media (max-width: 480px) {
  .page-header { padding: 1rem 0.8rem 0.5rem; }
  .main-layout { padding-left: 0.8rem; padding-right: 0.8rem; padding-bottom: 5.5rem; }
  .book-eyebrow { display: none; }
  .page-header h1 { font-size: 1.6rem; line-height: 1.15; margin-bottom: 0.35rem; }
  .page-header h1 span { font-size: 0.72rem; letter-spacing: 0.1em; }
  .page-intro { font-size: 0.78rem; line-height: 1.4; margin-bottom: 0.55rem; }
  .intro-full { display: none; }
  .intro-mobile { display: inline; }
  .header-meta { display: none; }
  .section-block { margin-bottom: 1.8rem; }
  .section-header { gap: 0.65rem; margin-bottom: 0.9rem; padding-bottom: 0.75rem; }
  .section-number { font-size: 1.6rem; }
  .section-title { font-size: 0.86rem; letter-spacing: 0.03em; }
  .section-desc { font-size: 0.78rem; line-height: 1.45; overflow-wrap: anywhere; }
  .section-tag { display: none; }
  .lesson-card { margin-bottom: 8px; border-radius: var(--radius-md); }
  .lesson-num-badge { width: 40px; height: 40px; font-size: 1rem; border-width: 2px; }
  .lesson-card-main { grid-template-columns: 40px minmax(0, 1fr); gap: 0.7rem; padding: 0.75rem 0.8rem; }
  .lesson-arabic { font-size: 1.05rem; line-height: 1.25; margin-bottom: 1px; }
  .lesson-title { font-size: 0.86rem; line-height: 1.3; margin-bottom: 2px; }
  .lesson-desc { font-size: 0.74rem; line-height: 1.35; overflow-wrap: anywhere; }
  .chips { display: none; }
  .lesson-card-btns { gap: 6px; margin-top: 8px; }
  .lesson-continue-btn {
    padding: 8px 16px;
    font-size: 0.74rem;
    box-shadow: 0 4px 0 var(--brand-dark);
    min-width: 0;
  }
  .lesson-skip-btn {
    padding: 8px 12px;
    font-size: 0.68rem;
    border-width: 2px;
    animation: none;
  }
  .lesson-card--complete .lesson-card-main {
    padding: 0.45rem 0.7rem;
  }
  .lesson-card--complete .lesson-num-badge {
    width: 32px; height: 32px; font-size: 0.85rem;
  }
  .lesson-card--complete .lesson-arabic {
    font-size: 0.9rem;
  }
  .lesson-card--complete .lesson-title {
    font-size: 0.78rem;
  }
  .final-quiz-card {
    margin-top: 2rem;
    padding: 1.4rem 0.9rem;
    border-radius: var(--radius-lg);
  }
  .final-quiz-ornament { font-size: 1.3rem; }
  .final-quiz-label { font-size: 0.56rem; letter-spacing: 0.16em; }
  .final-quiz-arabic { font-size: 1.5rem; }
  .final-quiz-desc { font-size: 0.78rem; line-height: 1.5; }
  .final-quiz-btn { padding: 0.7rem 1.4rem; font-size: 0.72rem; }
}

@media (max-width: 380px) {
  .page-header,
  .main-layout { padding-left: 0.65rem; padding-right: 0.65rem; }
  .lesson-card-main { padding: 0.65rem 0.7rem; }
  .lesson-desc { display: none; }
}