/**
 * Modern Breadcrumb Navigation - NeoCafe Design System
 * Clean, accessible, and responsive breadcrumb component
 */

:root {
  /* NeoCafe Brand Colors */
  --neo-primary: #256035;
  --neo-primary-dark: #1a4128;
  --neo-primary-light: #34804b;
  --neo-accent: #f8f9fa;
  --neo-hover: #2d6e3e;

  /* Semantic Colors */
  --breadcrumb-bg: #f8faf9;
  --breadcrumb-border: #e9ecef;
  --breadcrumb-text: #495057;
  --breadcrumb-current: #212529;
  --breadcrumb-hover: var(--neo-primary);
  --breadcrumb-separator: #adb5bd;

  /* Spacing & Sizing */
  --breadcrumb-padding: 1rem 2rem;
  --breadcrumb-radius: 12px;
  --breadcrumb-gap: 0.5rem;
  --breadcrumb-height: 3rem;

  /* Typography */
  --breadcrumb-font: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont,
    sans-serif;
  --breadcrumb-font-size: 0.875rem;
  --breadcrumb-font-weight: 500;
  --breadcrumb-line-height: 1.5;

  /* Transitions */
  --breadcrumb-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --breadcrumb-hover-scale: 1.02;

  /* Shadows */
  --breadcrumb-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --breadcrumb-shadow-hover: 0 4px 12px rgba(37, 96, 53, 0.15);
}

/* Container */
.breadcrumb-container {
  width: 100%;
  max-width: 1400px;
  padding: 1rem 0;
  margin: 0 auto;
  font-family: var(--breadcrumb-font);
}

/* Navigation wrapper */
.breadcrumb-nav {
  position: relative;
  background-color: transparent;
  transition: var(--breadcrumb-transition);
  overflow: hidden;
}

/* Wrapper for content */
.breadcrumb-wrapper {
  position: relative;
  min-height: var(--breadcrumb-height);
  display: flex;
  align-items: center;
}

/* Breadcrumb list */
.breadcrumb-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  gap: var(--breadcrumb-gap);
  flex-wrap: wrap;
  width: 100%;
  font-size: var(--breadcrumb-font-size);
  line-height: var(--breadcrumb-line-height);
}

/* Breadcrumb items */
.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--breadcrumb-gap);
  transition: var(--breadcrumb-transition);
}

/* Breadcrumb links */
.breadcrumb-link {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--breadcrumb-hover);
  font-weight: var(--breadcrumb-font-weight);
  padding: 0.5rem 0rem;
  border-radius: 8px;
  transition: var(--breadcrumb-transition);
  position: relative;
  min-height: 2.25rem;
  box-sizing: border-box;
}

.breadcrumb-link:hover {
  color: #444;
  transform: scale(var(--breadcrumb-hover-scale));
  text-decoration: underline;
}

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

.breadcrumb-link:active {
  transform: scale(0.98);
}

/* Current page styling */
.breadcrumb-current {
  display: inline-flex;
  align-items: center;
  color: #444 !important;
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  color: white;
  border-radius: 8px;
  min-height: 2.25rem;
  box-sizing: border-box;
  position: relative;
}

.breadcrumb-current::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
  border-radius: 8px;
  pointer-events: none;
}

/* Breadcrumb text */
.breadcrumb-text {
  font-weight: inherit;
  letter-spacing: 0.025em;
}

/* Separator styling */
.breadcrumb-separator {
  display: flex;
  align-items: center;
  color: var(--breadcrumb-separator);
  margin: 0 0.25rem;
  transition: var(--breadcrumb-transition);
}

.separator-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.current-page {
  font-weight: 600;
  color: var(--breadcrumb-current);
  font-size: 0.9rem;
}

.page-depth {
  font-size: 0.75rem;
  color: var(--breadcrumb-text);
  margin-top: 0.25rem;
}

/* Responsive design */
/* ====================================== */

/* Large tablets and small desktops */

@media (max-width: 1440px) {
  .breadcrumb-container {
    padding: 0 1.5rem;
  }

  :root {
    --breadcrumb-padding: 0.875rem 1.5rem;
    --breadcrumb-font-size: 0.8125rem;
  }
}

/* Tablets */
@media (max-width: 768px) {
  .breadcrumb-container {
    padding: 0 0.5rem;
    margin-bottom: 1.5rem;
  }

  :root {
    --breadcrumb-padding: 0.75rem 1.25rem;
    --breadcrumb-radius: 10px;
    --breadcrumb-height: 2.75rem;
  }

  .breadcrumb-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--breadcrumb-separator) transparent;
    padding-bottom: 0.5rem;
  }

  .breadcrumb-list::-webkit-scrollbar {
    height: 3px;
  }

  .breadcrumb-list::-webkit-scrollbar-track {
    background: transparent;
  }

  .breadcrumb-list::-webkit-scrollbar-thumb {
    background: var(--breadcrumb-separator);
    border-radius: 3px;
  }

  .breadcrumb-item {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .separator-icon {
    width: 14px;
    height: 14px;
  }

  .breadcrumb-link,
  .breadcrumb-current {
    padding: 0.375rem 0.625rem;
    min-height: 2rem;
    font-size: 0.8125rem;
  }
}

/* Mobile phones */
@media (max-width: 480px) {
  .breadcrumb-container {
    margin-bottom: 0.25rem;
  }

  :root {
    --breadcrumb-padding: 0.625rem 1rem;
    --breadcrumb-radius: 8px;
    --breadcrumb-height: 2.5rem;
    --breadcrumb-font-size: 0.75rem;
  }

  .breadcrumb-nav {
    border-radius: var(--breadcrumb-radius);
  }

  .breadcrumb-list {
    gap: 0.375rem;
  }

  .breadcrumb-link,
  .breadcrumb-current {
    padding: 0.25rem 0.5rem;
    min-height: 1.75rem;
    border-radius: 6px;
  }

  .separator-icon {
    width: 12px;
    height: 12px;
  }

  .breadcrumb-separator {
    margin: 0 0.125rem;
  }
}

/* Enhanced interactions */
/* ====================================== */

/* Hover animations */
.breadcrumb-item:not(.current):hover .breadcrumb-link {
  animation: breadcrumb-pulse 0.6s ease-in-out;
}

@keyframes breadcrumb-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Loading state */
.breadcrumb-nav.loading {
  opacity: 0.7;
  pointer-events: none;
}

.breadcrumb-nav.loading .breadcrumb-item {
  animation: breadcrumb-shimmer 2s infinite linear;
}

@keyframes breadcrumb-shimmer {
  0% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.6;
  }
}

/* Focus indicators */
.breadcrumb-link:focus-visible {
  box-shadow: 0 0 0 3px rgba(37, 96, 53, 0.2);
}

/* Accessibility enhancements */
/* ====================================== */

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --breadcrumb-text: #000000;
    --breadcrumb-current: #000000;
    --breadcrumb-border: #000000;
    --breadcrumb-separator: #000000;
  }

  .breadcrumb-link {
    border: 2px solid transparent;
  }

  .breadcrumb-link:hover,
  .breadcrumb-link:focus {
    border-color: var(--neo-primary);
  }

  .breadcrumb-current {
    border: 2px solid var(--neo-primary);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --breadcrumb-transition: none;
  }

  .breadcrumb-link:hover {
    transform: none;
  }

  .breadcrumb-item:not(.current):hover .breadcrumb-link {
    animation: none;
  }

  .breadcrumb-nav.loading .breadcrumb-item {
    animation: none;
  }
}

/* Dark mode support */
/* ====================================== */

@media (prefers-color-scheme: dark) {
  :root {
    --breadcrumb-bg: #1a1a1a;
    --breadcrumb-border: #404040;
    --breadcrumb-text: #e0e0e0;
    --breadcrumb-current: #ffffff;
    --breadcrumb-separator: #888888;
    --neo-accent: #2a2a2a;
  }
}

/* Print styles */
/* ====================================== */

@media print {
  .breadcrumb-container {
    margin: 0.5rem 0;
    page-break-inside: avoid;
  }

  .breadcrumb-nav {
    background: none !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }

  .breadcrumb-link {
    color: #000 !important;
    background: none !important;
    text-decoration: underline;
  }

  .breadcrumb-current {
    background: none !important;
    color: #000 !important;
    font-weight: bold;
    text-decoration: none;
  }

  .breadcrumb-separator {
    color: #666 !important;
  }

  .breadcrumb-mobile-indicator {
    display: none !important;
  }
}

.breadcrumb-nav {
  contain: layout style;
  will-change: box-shadow;
}

.breadcrumb-link {
  contain: layout;
  will-change: transform, background-color;
}

@supports (backdrop-filter: blur(10px)) {
  .breadcrumb-nav {
    backdrop-filter: none;
    background-color: transparent;
  }
}

@supports (container-type: inline-size) {
  .breadcrumb-container {
    container-type: inline-size;
  }

  @container (max-width: 400px) {
    .breadcrumb-text {
      font-size: 0.7rem;
    }
  }
}