/* ==========================================================================
   IBGPP ACADEMY - NETFLIX STYLE CAROUSEL & LESSON CARDS
   ========================================================================== */

.academy-tracks-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding: 1.5rem 0 3rem 0;
  width: 100%;
}

.track-section {
  width: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}

.track-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding: 0 0.5rem 0.5rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.track-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.track-title .count {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 500;
}

.track-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.carousel-arrow-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #151b29;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.85rem;
}

.carousel-arrow-btn:hover {
  background: #E85D10;
  border-color: #E85D10;
  transform: scale(1.08);
}

.track-carousel {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 0.5rem 0.25rem 1.25rem 0.25rem;
  -webkit-overflow-scrolling: touch;
}

.track-carousel::-webkit-scrollbar {
  height: 6px;
}

.track-carousel::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 3px;
}

.track-carousel::-webkit-scrollbar-thumb {
  background: rgba(232, 93, 16, 0.4);
  border-radius: 3px;
}

.track-carousel::-webkit-scrollbar-thumb:hover {
  background: #E85D10;
}

/* Netflix Lesson Card */
.lesson-card {
  flex: 0 0 300px;
  max-width: 300px;
  background: #0f1422;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
  display: flex;
  flex-direction: column;
}

.lesson-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: #E85D10;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.65), 0 0 16px rgba(232, 93, 16, 0.25);
  z-index: 5;
}

.lesson-card.completed {
  border-color: rgba(16, 185, 129, 0.4);
}

.lesson-card.completed:hover {
  border-color: #10b981;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.65), 0 0 16px rgba(16, 185, 129, 0.25);
}

.lesson-thumbnail-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #080b11;
  overflow: hidden;
}

.lesson-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.lesson-card:hover .lesson-thumbnail {
  transform: scale(1.06);
  filter: brightness(0.85);
}

.lesson-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.lesson-card:hover .lesson-play-overlay {
  opacity: 1;
}

.btn-play-pulse {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #E85D10;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 0 18px rgba(232, 93, 16, 0.7);
  transform: scale(0.9);
  transition: transform 0.2s ease;
}

.lesson-card:hover .btn-play-pulse {
  transform: scale(1);
}

.lesson-badge-completed {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(16, 185, 129, 0.9);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 3px 7px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  letter-spacing: 0.05em;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.lesson-duration-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.78);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.lesson-card-admin-bar {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 5px;
  z-index: 10;
}

.btn-card-admin {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-card-admin:hover {
  background: #E85D10;
  border-color: #E85D10;
  transform: scale(1.1);
}

.lesson-info {
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  background: #0f1422;
}

.lesson-card-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lesson-card-desc {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}