/* ==========================================================================
   SJCC LEARN — COURSE DETAIL PAGE CSS (#/course/:id)
   Course Hero, Sticky Pricing Card, Syllabus Accordion & Tabs
   ========================================================================== */

.course-detail-hero {
  background-color: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding: var(--space-8) 0;
}

.course-hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 820px;
}

.course-hero-school {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.course-hero-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  line-height: 1.2;
}

.course-hero-tagline {
  font-size: var(--text-base);
  color: var(--text-2);
  line-height: 1.5;
}

.course-hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-2);
  margin-top: var(--space-2);
}

.course-hero-teacher {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.course-hero-teacher img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-circle);
  object-fit: cover;
}

/* Detail Main Layout (2-Column) */
.course-main-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-8);
  align-items: flex-start;
  padding: var(--space-8) 0;
}

/* Sticky Price Box */
.course-sticky-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

.course-sticky-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--surface-3);
  position: relative;
}

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

.course-sticky-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.price-tier-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-light);
}

.price-tier-row.highlight {
  background-color: var(--primary-soft);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border-bottom: none;
}

.course-includes-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: var(--text-xs);
  color: var(--text-2);
}

.course-includes-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.course-includes-list .material-symbols-rounded {
  font-size: 16px;
  color: var(--success);
}

/* Syllabus Lesson Item */
.syllabus-lesson-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: var(--text-sm);
  gap: var(--space-2);
}

.syllabus-lesson-item:last-child {
  border-bottom: none;
}

.lesson-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  flex: 1;
}

.lesson-left span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lesson-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-3);
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .course-main-layout {
    grid-template-columns: 1fr;
  }
  .course-sticky-card {
    position: static;
    margin-bottom: var(--space-6);
  }
}

@media (max-width: 600px) {
  .course-detail-hero {
    padding: var(--space-6) 0;
  }
  .course-sticky-body {
    padding: var(--space-4);
  }
  .course-hero-meta {
    gap: var(--space-2);
  }
}