/**
 * FRIO Ice Cream & Botana - Breadcrumbs Styles
 * Navigation breadcrumbs styling with mobile back button
 * All comments in English as requested
 */

/* === BREADCRUMBS NAVIGATION === */

.breadcrumbs {
  padding: var(--space-4) 0;
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border-light);
  margin-top: 50px;
}

.breadcrumbs-container {
  max-width: var(--container-section);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* === BREADCRUMB LIST === */

.breadcrumbs-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
}

/* Don't add gap between items since separator is inside each item */
.breadcrumb-item:not(:last-child) {
  margin-right: var(--space-2);
}

/* === BREADCRUMB LINKS === */

.breadcrumb-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: var(--transition-all);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-base);
  margin-right: var(--space-2);
}

.breadcrumb-link:hover,
.breadcrumb-link:focus {
  color: var(--color-primary);
  text-decoration: none;
  background: var(--color-primary-alpha);
}

.breadcrumb-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* === CURRENT PAGE === */

.breadcrumb-current {
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-1) var(--space-2);
}

/* === BREADCRUMB SEPARATOR === */

.breadcrumb-separator {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  user-select: none;
  display: flex;
  align-items: center;
  margin-left: var(--space-2);
}

.breadcrumb-separator svg {
  width: 6px;
  height: 10px;
  opacity: 0.6;
}

/* === MOBILE BACK BUTTON === */

.breadcrumbs-mobile {
  display: none;
}

.breadcrumb-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  background: var(--color-bg-white);
  transition: var(--transition-all);
}

.breadcrumb-back:hover,
.breadcrumb-back:focus {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-alpha);
  text-decoration: none;
  transform: translateX(-2px);
}

.breadcrumb-back:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.back-icon {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
}

.back-text {
  font-size: var(--font-size-sm);
}

/* === RESPONSIVE BEHAVIOR === */

@media (max-width: 768px) {
  .breadcrumbs {
    padding: var(--space-3) 0;
  }
  
  .breadcrumbs-container {
    padding: 0 var(--space-4);
  }
  
  /* Hide full breadcrumbs on mobile */
  .breadcrumbs-list {
    display: none;
  }
  
  /* Show mobile back button */
  .breadcrumbs-mobile {
    display: block;
  }
}

@media (min-width: 769px) {
  /* Show full breadcrumbs on desktop */
  .breadcrumbs-list {
    display: flex;
  }
  
  /* Hide mobile back button */
  .breadcrumbs-mobile {
    display: none;
  }
}

/* === BREADCRUMB ANIMATIONS === */

.breadcrumb-item {
  opacity: 0;
  transform: translateY(-10px);
  animation: breadcrumbFadeIn 0.3s ease forwards;
}

.breadcrumb-item:nth-child(1) { animation-delay: 0.1s; }
.breadcrumb-item:nth-child(2) { animation-delay: 0.2s; }
.breadcrumb-item:nth-child(3) { animation-delay: 0.3s; }
.breadcrumb-item:nth-child(4) { animation-delay: 0.4s; }
.breadcrumb-item:nth-child(5) { animation-delay: 0.5s; }

@keyframes breadcrumbFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === HOVER EFFECTS === */

.breadcrumb-item:hover .breadcrumb-separator {
  color: var(--color-primary);
  transform: translateX(2px);
}

.breadcrumb-item:hover .breadcrumb-link {
  color: var(--color-primary);
  background: var(--color-primary-alpha);
}

/* === ACCESSIBILITY IMPROVEMENTS === */

/* High contrast mode support */
@media (prefers-contrast: high) {
  .breadcrumb-link {
    border: 1px solid transparent;
  }
  
  .breadcrumb-link:hover,
  .breadcrumb-link:focus {
    border-color: var(--color-primary);
  }
  
  .breadcrumb-separator {
    opacity: 1;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .breadcrumb-item {
    animation: none;
    opacity: 1;
    transform: none;
  }
  
  .breadcrumb-back:hover {
    transform: none;
  }
  
  .breadcrumb-separator {
    transition: none;
  }
}

/* === OVERFLOW HANDLING === */

@media (min-width: 769px) {
  .breadcrumbs-list {
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
  }
  
  .breadcrumbs-list::-webkit-scrollbar {
    display: none; /* Chrome, Safari, and Opera */
  }
}

/* === BREADCRUMB TRUNCATION === */

/* Truncate very long breadcrumb names */
.breadcrumb-link span,
.breadcrumb-current {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
}

@media (max-width: 480px) {
  .breadcrumb-link span,
  .breadcrumb-current {
    max-width: 120px;
  }
  
  .back-text {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* === CATEGORY-SPECIFIC STYLING === */

/* Style breadcrumbs based on category context */
.page-category.category-helados .breadcrumb-current {
  color: var(--category-helados);
}

.page-category.category-frappes .breadcrumb-current {
  color: var(--category-frappes);
}

.page-category.category-smoothies .breadcrumb-current {
  color: var(--category-smoothies);
}

.page-category.category-productos .breadcrumb-current {
  color: var(--category-productos);
}

/* Product page breadcrumb styling */
.page-product .breadcrumb-current {
  color: var(--color-accent-pink);
  background: var(--color-accent-pink-alpha);
  border-radius: var(--radius-base);
}

/* === PRINT STYLES === */

@media print {
  .breadcrumbs {
    background: none;
    border-bottom: 1px solid var(--color-border-medium);
    padding: var(--space-2) 0;
  }
  
  .breadcrumb-link {
    color: var(--color-text-primary);
    text-decoration: underline;
    background: none;
  }
  
  .breadcrumbs-mobile {
    display: none;
  }
  
  .breadcrumbs-list {
    display: flex !important;
  }
  
  .breadcrumb-item {
    animation: none;
    opacity: 1;
    transform: none;
  }
  
  .breadcrumb-separator svg {
    opacity: 1;
  }
}

/* === LOADING STATE === */

.breadcrumbs.loading .breadcrumb-item {
  background: var(--color-bg-gray-light);
  border-radius: var(--radius-base);
  animation: skeleton-loading 1.5s infinite;
}

.breadcrumbs.loading .breadcrumb-link,
.breadcrumbs.loading .breadcrumb-current {
  color: transparent;
}

@keyframes skeleton-loading {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}