/* =========================================== */
/* BREADCRUMB NAVIGATION */
/* SEO-optimized breadcrumb with animations */
/* Created: 2025-11-06 */
/* =========================================== */

/* ===== BREADCRUMB CONTAINER ===== */
.breadcrumb-nav {
  position: sticky;
  top: 72px; /* Below navbar */
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  z-index: 1030;
  padding: 0.75rem 0;
  transform: translateY(-100%);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.breadcrumb-nav.visible {
  transform: translateY(0);
  opacity: 1;
}

[data-bs-theme="dark"] .breadcrumb-nav {
  background: rgba(15, 23, 42, 0.98);
  border-bottom-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

/* ===== BREADCRUMB LIST ===== */
.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

/* ===== BREADCRUMB ITEMS ===== */
.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumb-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  color: #64748b;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s ease;
  position: relative;
}

.breadcrumb-link:hover {
  background: rgba(99, 102, 241, 0.08);
  color: #6366f1;
  transform: translateY(-1px);
}

.breadcrumb-link i {
  font-size: 1rem;
}

/* Current page (not clickable) */
.breadcrumb-current {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  color: #1e293b;
  font-size: 0.875rem;
  font-weight: 600;
  background: rgba(99, 102, 241, 0.08);
  border-radius: 8px;
}

[data-bs-theme="dark"] .breadcrumb-current {
  color: #e2e8f0;
  background: rgba(99, 102, 241, 0.15);
}

/* ===== SEPARATOR ===== */
.breadcrumb-separator {
  color: #cbd5e1;
  font-size: 0.75rem;
  user-select: none;
}

/* ===== HOME ICON SPECIAL STYLING ===== */
.breadcrumb-home {
  color: #6366f1;
}

.breadcrumb-link:hover .breadcrumb-home {
  transform: scale(1.15);
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {
  .breadcrumb-nav {
    top: 60px; /* Adjusted for mobile navbar */
    padding: 0.5rem 0;
  }

  .breadcrumb-link,
  .breadcrumb-current {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
  }

  .breadcrumb-link i {
    font-size: 0.875rem;
  }

  .breadcrumb-separator {
    font-size: 0.7rem;
  }
}

/* ===== ANIMATION ON SCROLL ===== */
@keyframes breadcrumbSlideIn {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.breadcrumb-nav.visible {
  animation: breadcrumbSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== ACCESSIBILITY ===== */
.breadcrumb-link:focus {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/* ===== PERFORMANCE ===== */
@media (prefers-reduced-motion: reduce) {
  .breadcrumb-nav,
  .breadcrumb-link {
    animation: none !important;
    transition: none !important;
  }
}