@import url("variables.css");

/* ==========================================================================
   Course catalog page (courses.html)
   ========================================================================== */

.courses-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(64px + 2rem) 1.5rem 2rem;
}

.courses-header {
  text-align: center;
  margin-bottom: 2rem;
}

.courses-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.courses-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.courses-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.courses-filters .filter-pill,
.courses-filters .input,
.courses-filters .btn {
  flex-shrink: 0;
}

.courses-my {
  margin-bottom: 2rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.5rem;
}

.courses-my::-webkit-scrollbar {
  height: 6px;
}

.courses-my::-webkit-scrollbar-track {
  background: var(--gray-900);
  border-radius: var(--radius-pill);
}

.courses-my::-webkit-scrollbar-thumb {
  background: var(--gray-800);
  border-radius: var(--radius-pill);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .courses-grid {
    grid-template-columns: 1fr;
  }
}

.course-card {
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.course-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.course-card__thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.course-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-card__thumb .category-badge {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.7);
  border-radius: var(--radius-sm);
}

.course-card__body {
  padding: 1rem 1.25rem;
}

.course-card__body h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}

.course-card__body .course-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.course-card__progress {
  padding: 0 1.25rem 1rem;
}

.progress-bar {
  height: 6px;
  background: var(--gray-800);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--accent);
  border-radius: var(--radius-pill);
  transition: width 0.3s ease;
}

.tag--beginner {
  color: var(--success);
  background: rgba(0, 186, 124, 0.15);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.tag--intermediate {
  color: var(--warning);
  background: rgba(255, 212, 0, 0.15);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.tag--advanced {
  color: var(--error);
  background: rgba(244, 33, 46, 0.15);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Course view page (course-view.html)
   ========================================================================== */

.course-hero {
  position: relative;
  overflow: hidden;
}

.course-hero__img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  display: block;
}

.course-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.6) 50%, rgba(0, 0, 0, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem 1.5rem;
}

.course-hero__overlay h1 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.course-hero__overlay p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.course-modules {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.module-accordion {
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.module-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  cursor: pointer;
  background: var(--gray-900);
  transition: background var(--transition-fast);
}

.module-header:hover {
  background: var(--gray-800);
}

.module-header .module-header__chevron {
  transition: transform var(--transition-normal);
}

.module-header.open .module-header__chevron {
  transform: rotate(180deg);
}

.module-lessons {
  list-style: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.module-accordion.open .module-lessons {
  max-height: 2000px;
}

.lesson-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--gray-800);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lesson-row:hover {
  background: var(--gray-800);
}

.lesson-row--completed .lesson-row__check {
  color: var(--success);
}

.lesson-row__check {
  color: var(--gray-700);
  font-size: 1rem;
}

/* ==========================================================================
   Lesson view
   ========================================================================== */

.lesson-layout {
  display: flex;
  min-height: calc(100vh - 60px);
}

.lesson-sidebar {
  width: 280px;
  flex-shrink: 0;
  border-right: 1px solid var(--gray-800);
  overflow-y: auto;
  max-height: 100vh;
  position: sticky;
  top: 0;
}

.lesson-sidebar .lesson-nav-item {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  transition: background var(--transition-fast), color var(--transition-fast);
  border-left: 3px solid transparent;
}

.lesson-sidebar .lesson-nav-item:hover {
  background: var(--gray-800);
  color: var(--text-primary);
}

.lesson-sidebar .lesson-nav-item--current {
  background: rgba(201, 168, 76, 0.1);
  color: var(--accent);
  border-left-color: var(--accent);
}

.lesson-sidebar .lesson-nav-item--completed::before {
  content: "✓ ";
  color: var(--success);
  margin-right: 0.25rem;
}

.lesson-content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

.lesson-body.prose {
  max-width: 70ch;
  line-height: 1.75;
}

.lesson-body.prose h1,
.lesson-body.prose h2,
.lesson-body.prose h3 {
  font-family: var(--font-display);
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.lesson-body.prose h1 { font-size: 1.75rem; }
.lesson-body.prose h2 { font-size: 1.5rem; }
.lesson-body.prose h3 { font-size: 1.25rem; }

.lesson-body.prose p {
  margin-bottom: 1em;
}

.lesson-body.prose blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 1rem;
  margin: 1.5em 0;
  color: var(--text-secondary);
}

.lesson-scripture,
.lesson-discussion,
.lesson-reading {
  margin: 1.5em 0;
  padding: 1rem 1.25rem;
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-md);
}

.lesson-scripture::before,
.lesson-discussion::before,
.lesson-reading::before {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.lesson-scripture::before { content: "📖 Scripture"; }
.lesson-discussion::before { content: "💬 Discussion"; }
.lesson-reading::before { content: "📚 Further Reading"; }

.lesson-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  border-top: 1px solid var(--gray-800);
  position: sticky;
  bottom: 0;
  background: var(--black);
}

/* Responsive: lesson layout */
@media (max-width: 768px) {
  .lesson-layout {
    flex-direction: column;
  }

  .lesson-sidebar {
    width: 100%;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--gray-800);
    position: relative;
  }
}

@media (max-width: 480px) {
  .lesson-sidebar {
    display: none;
  }

  .lesson-sidebar.lesson-sidebar--open {
    display: block;
  }
}

/* ==========================================================================
   Theology Map tree
   ========================================================================== */

.theology-map-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(64px + 2rem) 1.5rem 2rem;
}

.theology-map-header {
  text-align: center;
  margin-bottom: 2rem;
}

.theology-map-header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.theology-map-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.theology-tree {
  padding: 1rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tree-node {
  position: relative;
  text-align: center;
}

.tree-node__card {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  background: var(--gray-900);
  border: 1px solid var(--gray-800);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  text-align: left;
  min-width: 180px;
}

.tree-node__card:hover {
  border-color: var(--accent);
  background: rgba(201, 168, 76, 0.05);
}

.tree-node__card-label {
  font-weight: 600;
  color: var(--text-primary);
}

.tree-node__card-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.tree-node__children {
  display: none;
  padding-top: 1rem;
  transition: opacity var(--transition-normal);
}

.tree-node__children.open {
  display: block;
}

.tree-node__children.open .tree-node__children-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.tree-connector {
  width: 2px;
  min-height: 1rem;
  background: var(--gray-800);
  margin: 0 auto 0.5rem;
}

.tree-node__children-wrapper {
  padding-top: 0.5rem;
}