/**
 * Sitemap Page Styles
 * Optimized for SEO, accessibility, and mobile-first responsive design
 */

/* ========================================
   SITEMAP INTRO & SEARCH
   ======================================== */

.sitemap-intro {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.sitemap-search {
  position: sticky;
  top: 0;
  z-index: 40;
  background: white;
  padding: 1rem 0;
  margin-bottom: 2rem;
  border-bottom: 2px solid #e5e7eb;
}

#sitemap-search {
  transition: all 0.3s ease;
}

#sitemap-search:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5);
}

#search-results-count {
  font-style: italic;
  min-height: 1.5rem;
}

/* ========================================
   TIER VISUAL HIERARCHY
   ======================================== */

.sitemap-tier {
  scroll-margin-top: 120px; /* Account for sticky search */
}

/* Tier S: Priority pages - Most prominent */
.sitemap-tier-s {
  position: relative;
  overflow: hidden;
}

.sitemap-tier-s::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(220, 38, 38, 0.05) 0%, transparent 70%);
  z-index: 0;
}

.sitemap-tier-s > div {
  position: relative;
  z-index: 1;
}

/* Tier B: Paris arrondissements - High visibility */
.sitemap-tier-b {
  background: linear-gradient(to right, #fef2f2, #fff);
  padding: 2rem;
  border-radius: 0.5rem;
}

/* Tier C: Major suburbs - Medium visibility */
.sitemap-tier-c .department-cities {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sitemap-tier-c .department-cities:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Tier D: All communes - Collapsible */
.sitemap-tier-d .department-accordion {
  transition: all 0.3s ease;
}

.sitemap-tier-d .department-accordion[open] {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.sitemap-tier-d summary {
  transition: background-color 0.2s ease;
}

.sitemap-tier-d summary::-webkit-details-marker {
  display: none;
}

.sitemap-tier-d summary::after {
  content: '▼';
  float: right;
  transition: transform 0.3s ease;
}

.sitemap-tier-d details[open] summary::after {
  transform: rotate(-180deg);
}

/* ========================================
   PARIS ZONES
   ======================================== */

.paris-zone {
  transition: all 0.3s ease;
}

.paris-zone:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

/* ========================================
   DEPARTMENT CITIES
   ======================================== */

.department-cities h3 {
  border-bottom: 3px solid #2563eb;
  padding-bottom: 0.5rem;
}

/* ========================================
   SITEMAP ITEMS & LINKS
   ======================================== */

.sitemap-item {
  position: relative;
}

/* Hide filtered items smoothly */
.sitemap-item.hidden {
  display: none !important;
}

/* Highlight search matches */
.sitemap-item.match {
  animation: highlightPulse 0.5s ease;
}

@keyframes highlightPulse {
  0%, 100% {
    background-color: transparent;
  }
  50% {
    background-color: #fef3c7;
  }
}

/* Link hover effects */
.sitemap-hierarchy a {
  position: relative;
  transition: all 0.2s ease;
}

.sitemap-hierarchy a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width 0.3s ease;
}

.sitemap-hierarchy a:hover::after {
  width: 100%;
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.sitemap-services {
  background: linear-gradient(135deg, #f8fafc 0%, #e7e5e4 100%);
  padding: 2rem;
  border-radius: 0.5rem;
}

.sitemap-services h3 {
  border-bottom: 2px solid #dc2626;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

/* ========================================
   FOOTER CTA
   ======================================== */

.sitemap-footer-cta {
  background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%) !important;
  animation: ctaPulse 3s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% {
    box-shadow: 0 10px 25px rgba(220, 38, 38, 0.3);
  }
  50% {
    box-shadow: 0 10px 35px rgba(220, 38, 38, 0.5);
  }
}

.sitemap-footer-cta a {
  transition: all 0.3s ease;
}

.sitemap-footer-cta a:hover {
  transform: scale(1.05);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Mobile (< 640px) */
@media (max-width: 639px) {
  .sitemap-hierarchy h2 {
    font-size: 1.5rem;
  }

  .sitemap-hierarchy h3 {
    font-size: 1.125rem;
  }

  .sitemap-tier-s .grid {
    grid-template-columns: 1fr !important;
  }

  .paris-zone,
  .department-cities,
  .sitemap-services > div {
    margin-bottom: 1rem;
  }

  .sitemap-search {
    position: relative; /* Not sticky on mobile to save space */
  }
}

/* Tablet (640px - 1024px) */
@media (min-width: 640px) and (max-width: 1023px) {
  .sitemap-tier-b .grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .department-cities ul {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* Desktop (>= 1024px) */
@media (min-width: 1024px) {
  .sitemap-hierarchy {
    font-size: 1rem;
  }

  .department-cities ul {
    grid-template-columns: repeat(4, 1fr) !important;
  }
}

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

/* Focus indicators */
.sitemap-hierarchy a:focus,
.department-accordion summary:focus,
#sitemap-search:focus {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .sitemap-hierarchy a {
    text-decoration: underline;
  }

  .sitemap-tier-s,
  .sitemap-tier-b,
  .sitemap-tier-c,
  .sitemap-tier-d {
    border: 2px solid currentColor;
  }
}

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

@media print {
  .sitemap-search,
  .sitemap-footer-cta {
    display: none;
  }

  .department-accordion {
    border: 1px solid #000;
  }

  .department-accordion summary::after {
    display: none;
  }

  details {
    display: block !important;
  }

  summary {
    display: block;
  }

  .sitemap-hierarchy a {
    color: #000;
    text-decoration: underline;
  }

  .sitemap-hierarchy a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}

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

.sitemap-hierarchy.loading {
  opacity: 0.5;
  pointer-events: none;
}

.sitemap-hierarchy.loading::after {
  content: 'Chargement...';
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  font-size: 1.5rem;
  font-weight: bold;
  z-index: 9999;
}

/* ========================================
   DEPARTMENT BADGE COLORS
   ======================================== */

.department-cities h3 span[class*="bg-blue"] {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

/* ========================================
   SMOOTH SCROLLING
   ======================================== */

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}