/* =========================================================
   تصميم الصفحات العامة - الرئيسية / الكتاب / الدرس / الموارد
   يعتمد بالكامل على متغيرات theme.css
   ========================================================= */

.page-wrap {
  max-width: 1100px;
  margin-inline: auto;
  padding: 32px 20px 60px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-secondary);
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--brand-primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.page-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.page-subtitle {
  color: var(--text-secondary);
  font-size: .95rem;
  margin-bottom: 30px;
}

/* بطاقات عامة (وحدات / موارد) */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.unit-card, .resource-card, .feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--card-shadow);
  transition: transform .2s ease, box-shadow .2s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.unit-card:hover, .resource-card:hover, .feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.unit-card .icon, .feature-card .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--link-hover-bg);
  color: var(--brand-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}

.unit-card h3, .resource-card h3, .feature-card h3 {
  font-size: 1.05rem;
  color: var(--text-primary);
}
.unit-card p, .resource-card p, .feature-card p {
  color: var(--text-secondary);
  font-size: .88rem;
  line-height: 1.8;
  flex-grow: 1;
}

.unit-card .meta, .resource-card .meta {
  display: flex;
  gap: 10px;
  font-size: .78rem;
  color: var(--text-secondary);
}
.unit-card .meta span, .resource-card .meta span { display: flex; align-items: center; gap: 4px; }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-primary);
  font-weight: 700;
  font-size: .88rem;
  text-decoration: none;
  margin-top: 4px;
}
.btn-link:hover { gap: 9px; transition: gap .2s ease; }

.badge {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  background: var(--link-hover-bg);
  color: var(--brand-primary);
  width: fit-content;
}
.badge.source-link { background: rgba(224,128,95,.12); color: var(--brand-accent); }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}
.empty-state .icon { font-size: 2.6rem; margin-bottom: 12px; opacity: .6; }

/* صفحة الدرس (عرض الصور) */
.lesson-header { margin-bottom: 24px; }
.lesson-images { display: flex; flex-direction: column; gap: 16px; margin-bottom: 30px; }
.lesson-images img {
  display: block;
  width: 100%;
  max-width: 700px;
  margin: 0 auto;

  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  cursor: zoom-in;
}
.lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}
.lesson-nav a {
  flex: 1;
  max-width: 260px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  text-decoration: none;
  color: var(--text-primary);
  font-size: .85rem;
  transition: background .2s ease;
}
.lesson-nav a:hover { background: var(--link-hover-bg); }
.lesson-nav .dir { display: block; color: var(--text-secondary); font-size: .75rem; margin-bottom: 4px; }
.lesson-nav .next { text-align: left; margin-inline-start: auto; }

.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,.9);
  display: none; align-items: center; justify-content: center;
  z-index: 5000; padding: 20px;
}
.lightbox.is-open { display: flex; }

.lightbox-stage {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-stage img {
  max-width: 90vw;
  max-height: 88vh;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0,0,0,.5);
  user-select: none;
}
.lightbox-counter {
  position: absolute;
  bottom: -34px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: .78rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  white-space: nowrap;
}

.lightbox-nav {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  cursor: pointer;
  flex-shrink: 0;
  margin: 0 10px;
  transition: background .2s ease, transform .2s ease;
}
.lightbox-nav:hover { background: rgba(255,255,255,.22); transform: scale(1.06); }

.lightbox-close {
  position: absolute;
  top: 18px;
  left: 18px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 5001;
  transition: background .2s ease;
}
.lightbox-close:hover { background: rgba(255,255,255,.22); }

@media (max-width: 640px) {
  .lightbox-nav { width: 40px; height: 40px; font-size: 1.3rem; margin: 0 4px; }
  .lightbox-stage img { max-width: 82vw; }
  .lightbox-counter { bottom: -30px; font-size: .72rem; }
}

/* الصفحة الرئيسية */
.home-hero {
  background: linear-gradient(135deg, var(--brand-secondary), #1c2e36);
  border-radius: var(--radius-lg);
  padding: 56px 30px;
  text-align: center;
  color: #fff;
  margin-bottom: 40px;
}
.home-hero h1 { font-size: 1.9rem; font-weight: 800; margin-bottom: 12px; }
.home-hero p {
  color: rgba(255,255,255,.8);
  font-size: 1rem;
  max-width: 560px;
  margin-inline: auto;
  line-height: 1.9;
  margin-bottom: 26px;
}
.home-hero .cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.home-hero .cta-btn {
  background: var(--brand-primary);
  color: #fff;
  padding: 12px 26px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: .9rem;
  transition: background .2s ease;
}
.home-hero .cta-btn:hover { background: var(--brand-primary-dark); }
.home-hero .cta-btn.ghost { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); }
.home-hero .cta-btn.ghost:hover { background: rgba(255,255,255,.2); }

.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 40px;
}
.stat-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: center;
}
.stat-box .num { font-size: 1.5rem; font-weight: 800; color: var(--brand-primary); }
.stat-box .label { font-size: .78rem; color: var(--text-secondary); margin-top: 4px; }

.section-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 40px 0 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 640px) {
  .home-hero { padding: 40px 20px; }
  .home-hero h1 { font-size: 1.4rem; }
  .lesson-nav { flex-direction: column; }
  .lesson-nav .next { margin-inline-start: 0; text-align: right; }
}