/* ============================================================
   courses.css — Training Library styles
   ============================================================ */

/* --- Filter Bar --- */
.filter-bar {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: 24px 0;
  position: sticky;
  top: var(--nav-height);
  z-index: 100;
}

.filter-bar-inner {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.filter-search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 320px;
}

.filter-search-wrap i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.filter-search-wrap input {
  width: 100%;
  padding: 10px 14px 10px 36px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition);
}

.filter-search-wrap input:focus {
  border-color: var(--color-highlight);
}

.filter-select {
  padding: 10px 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}

.filter-select:focus {
  border-color: var(--color-highlight);
}

.results-count {
  margin-left: auto;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* --- Course Grid --- */
.courses-section {
  padding: 40px 0;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Course Card */
.course-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all var(--transition);
}

.course-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.course-card-top {
  padding: 20px 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.course-card-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.course-card-body {
  padding: 16px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-card-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text-primary);
  line-height: 1.4;
  /* 2-line truncation */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-body p {
  font-size: 0.83rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex: 1;
  /* 2-line truncation */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}

.course-card-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

.course-meta-item i {
  font-size: 0.7rem;
  color: var(--color-highlight);
}

.role-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.role-tag {
  padding: 2px 8px;
  background: rgba(30, 64, 175, 0.15);
  border: 1px solid rgba(30, 64, 175, 0.25);
  border-radius: 10px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-highlight);
  white-space: nowrap;
}

.course-card-footer {
  padding: 12px 20px 16px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.course-card-footer .btn {
  flex: 1;
  justify-content: center;
}

.btn-enrolled {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
  cursor: default;
}

.btn-completed-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.25);
  font-size: 0.85rem;
  font-weight: 600;
  width: 100%;
  justify-content: center;
}

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

@media (max-width: 640px) {
  .course-grid {
    grid-template-columns: 1fr;
  }

  .filter-bar-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-search-wrap {
    max-width: 100%;
  }

  .results-count {
    margin-left: 0;
  }
}

/* ============================================================
   Library Landing
   ============================================================ */

.library-landing-section {
  padding: 48px 0 64px;
}

.landing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}

.landing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px 28px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all var(--transition);
  text-decoration: none;
}

.landing-card:hover {
  border-color: rgba(59, 130, 246, 0.45);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.landing-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.landing-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

.landing-card-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin: 0;
  flex: 1;
}

.landing-card-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.landing-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.landing-meta-pill i {
  font-size: 0.7rem;
}

.active-track-pill {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--color-success);
}

.landing-card-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-highlight);
  margin-top: 4px;
}

/* ============================================================
   Library Mode Bar
   ============================================================ */

.library-mode-bar {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
  position: sticky;
  top: var(--nav-height);
  z-index: 101;
}

.mode-toggle {
  display: flex;
  gap: 8px;
}

.mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.mode-btn:hover {
  border-color: var(--color-highlight);
  color: var(--color-text-primary);
}

.mode-btn.active {
  background: var(--color-highlight);
  border-color: var(--color-highlight);
  color: #fff;
}

/* ============================================================
   Tracks View
   ============================================================ */

.tracks-section {
  padding: 40px 0;
}

#tracks-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.track-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.track-card:hover {
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: var(--shadow-card);
}

.track-card-header {
  padding: 28px 28px 20px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.track-card-info {
  flex: 1;
  min-width: 0;
}

.track-card-info h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.track-card-info p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.track-card-actions {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  min-width: 180px;
}

.track-card-enrolled {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.track-enroll-btn {
  white-space: nowrap;
}

.track-card-stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

.track-card-stats span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.track-card-stats i {
  font-size: 0.72rem;
  color: var(--color-highlight);
}

/* Course list inside track card */
.track-card-courses {
  border-top: 1px solid var(--color-border);
  padding: 16px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.track-courses-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.track-course-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.track-course-link {
  font-size: 0.85rem;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition);
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-course-link:hover {
  color: var(--color-highlight);
}

.track-course-link.locked {
  color: var(--color-text-secondary);
  cursor: not-allowed;
  pointer-events: none;
}

/* Track card footer */
.track-card-footer {
  border-top: 1px solid var(--color-border);
  padding: 14px 28px;
  display: flex;
  justify-content: flex-end;
}

/* ============================================================
   Responsive — new elements
   ============================================================ */

@media (max-width: 768px) {
  .landing-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .landing-card {
    padding: 28px 24px 22px;
  }

  .track-card-header {
    flex-direction: column;
    gap: 16px;
    padding: 20px 20px 16px;
  }

  .track-card-actions {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    min-width: 0;
    width: 100%;
    flex-wrap: wrap;
    gap: 8px;
  }

  .track-card-enrolled {
    flex-direction: row;
    align-items: center;
  }

  .track-card-stats {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }

  .track-card-courses {
    padding: 14px 20px;
  }

  .track-card-footer {
    padding: 12px 20px;
  }
}