/* ============================================
   FORMATIONS.CSS - Styles spécifiques à la page formations
   ============================================ */

/* Main Layout */
.formations-main {
  padding: var(--space-16) 0;
  background: var(--white);
}

.formations-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-8);
  align-items: start;
}

/* Sidebar */
.formations-sidebar {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.filter-section {
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: var(--space-6);
}

.filter-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.filter-section h3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--gray-900);
  margin-bottom: var(--space-4);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.filter-section h3:hover {
  color: var(--primary-color);
}

.filter-toggle {
  font-size: var(--text-sm);
  color: var(--gray-500);
  transition: transform var(--transition-normal);
}

.filter-section.collapsed .filter-toggle {
  transform: rotate(180deg);
}

.filter-section.collapsed .filter-content {
  display: none;
}

.filter-content {
  display: block;
}

/* Filter Items */
.filter-item {
  margin-bottom: var(--space-3);
}

.filter-item:last-child {
  margin-bottom: 0;
}

.filter-item input[type="radio"] {
  display: none;
  accent-color: var(--primary-color);
  transform: scale(1.2);
}

.filter-item label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.filter-item label:hover {
  background: var(--gray-50);
}

.filter-item input[type="radio"]:checked + label {
  background: var(--primary-color);
  color: var(--white);
}

.filter-item input[type="radio"]:checked + label::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--white);
}

.filter-name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  padding-left: var(--space-4);
}

.filter-count {
  font-size: var(--text-xs);
  color: var(--gray-500);
}

.filter-item input[type="radio"]:checked + label .filter-count {
  color: rgba(255, 255, 255, 0.8);
}

/* Price Range */
.price-range {
  padding: var(--space-2) 0;
}

.slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--gray-200);
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.price-display {
  margin-top: var(--space-3);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--gray-600);
}

/* Tags Grid */
.tags-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag-filter {
  padding: var(--space-2) var(--space-3);
  background: var(--gray-100);
  color: var(--gray-700);
  border-radius: var(--border-radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.filter-name {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}

.tag-filter:hover {
  background: var(--gray-200);
  transform: translateY(-1px);
}

.tag-filter.active {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-dark);
}

/* Content Area */
.formations-content {
  min-height: 600px;
}

/* Header with Search and Sort */
.formations-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--gray-200);
}

.search-bar {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-bar i {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: var(--text-sm);
}

.search-bar input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-10);
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  font-size: var(--text-sm);
  transition: all var(--transition-normal);
  background: var(--white);
}


.sort-options select {
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  background: var(--white);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}


/* Formations Grid */
.formations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

/* Formation Cards */
.formation-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  transition: all var(--transition-normal);
  border: 2px solid var(--gray-200);
  position: relative;
  box-shadow: none;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.formation-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.formation-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
  z-index: 1;
}

.formation-card:hover::before {
  left: 100%;
}

.formation-card:hover {
  border: 2px solid var(--gray-200);
  box-shadow: none;
  transform: translateY(-4px);
}

.formation-card.featured {
  border: 2px solid var(--gray-200);
  box-shadow: none;
}

.formation-card.featured:hover {
  transform: translateY(-4px);
}

/* Formation Image */
.formation-image {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.formation-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.formation-card:hover .formation-image img {
  transform: scale(1.05);
}

.formation-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: rgba(0, 0, 0, 0.8);
  color: var(--white);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--border-radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  z-index: 2;
}

.formation-badge.featured-badge {
  background: var(--primary-color);
}

/* Formation Content */
.formation-content {
  padding: var(--space-8);
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.formation-content h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--gray-900);
  margin-bottom: var(--space-4);
  line-height: var(--leading-tight);
}

.formation-content p {
  color: var(--gray-600);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

/* Formation Meta */
.formation-meta {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.formation-duration,
.formation-level {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--gray-500);
}

.formation-duration i,
.formation-level i {
  font-size: var(--text-sm);
  color: var(--primary-color);
}

/* Formation Footer */
.formation-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-200);
  margin-top: auto;
}

.formation-price {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--gray-900);
}

.formation-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--primary-color);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius);
}

.formation-link:hover {
  color: var(--primary-dark);
  gap: var(--space-3);
  background: rgba(255, 122, 90, 0.1);
  border-radius: var(--border-radius-lg);
  padding: var(--space-3) var(--space-4);
}

.formation-link::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 122, 90, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
}

.formation-link:hover::before {
  width: 100px;
  height: 100px;
}

/* Load More Button */
.load-more-container {
  text-align: center;
  padding-top: var(--space-8);
}

.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  transition: all var(--transition-normal);
}

.load-more-btn:hover {
  transform: translateY(-2px);
  gap: var(--space-3);
}

.load-more-btn i {
  transition: transform var(--transition-normal);
}

.load-more-btn:hover i {
  transform: rotate(90deg);
}

/* Filter States */
.formation-card.hidden {
  opacity: 0;
  transform: translateY(30px) scale(0.9);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

.formation-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  position: relative;
  visibility: visible;
}

/* Loading States */
.formation-card.loading {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

.formation-card.loading .formation-content,
.formation-card.loading .formation-image {
  opacity: 0.3;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Empty State */
.formations-empty {
  text-align: center;
  padding: var(--space-20) var(--space-6);
  color: var(--gray-500);
}

.formations-empty i {
  font-size: 4rem;
  margin-bottom: var(--space-4);
  color: var(--gray-300);
}

.formations-empty h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  color: var(--gray-700);
}

.formations-empty p {
  font-size: var(--text-base);
  max-width: 400px;
  margin: 0 auto;
}

/* Results Count */
.results-count {
  margin-bottom: var(--space-6);
  padding: var(--space-3) 0;
  color: var(--gray-600);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--gray-200);
}

.results-highlight {
  font-weight: var(--font-semibold);
  color: var(--primary-color);
}

/* Mobile Sidebar Toggle */
.sidebar-toggle {
  display: none;
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 56px;
  height: 56px;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: var(--text-lg);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.sidebar-toggle:hover {
  transform: scale(1.1);
  background: var(--primary-dark);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .formations-layout {
    grid-template-columns: 250px 1fr;
    gap: var(--space-6);
  }

  .formations-sidebar {
    padding: var(--space-4);
  }

  .formations-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-4);
  }
}

@media (max-width: 768px) {
  .formations-hero {
    padding: var(--space-12) 0 var(--space-8);
    margin-top: 60px;
  }

  .formations-hero h1 {
    font-size: var(--text-4xl);
  }

  .formations-layout {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .formations-sidebar {
    position: static;
    max-height: none;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-6);
    display: none;
  }

  .formations-sidebar.mobile-open {
    display: block;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    background: var(--white);
    border-radius: 0;
    overflow-y: auto;
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
  }

  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .formations-header {
    flex-direction: column;
    gap: var(--space-3);
  }

  .search-bar {
    max-width: none;
  }

  .formations-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .formation-card {
    margin: 0;
  }

  .formations-main {
    padding: var(--space-12) 0;
  }
}

@media (max-width: 640px) {
  .formations-hero {
    padding: var(--space-8) 0 var(--space-6);
    margin-top: 50px;
  }

  .formations-hero h1 {
    font-size: var(--text-3xl);
  }

  .formation-content {
    padding: var(--space-4);
  }

  .formation-meta {
    gap: var(--space-3);
  }

  .formation-footer {
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-start;
  }

  .filter-section h3 {
    font-size: var(--text-base);
  }

  .formations-main {
    padding: var(--space-8) 0;
  }
}



  .filter-item input[type="radio"]:checked + label {
    border: 2px solid var(--white);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .formation-card,
  .filter-toggle,
  .formation-link,
  .tag-filter,
  .load-more-btn {
    transition: none;
    animation: none;
  }

  .formation-card::before {
    display: none;
  }

  .formation-card:hover .formation-image img {
    transform: none;
  }
}

/* Print styles */
@media print {
  .formations-sidebar,
  .formations-header,
  .load-more-container,
  .sidebar-toggle {
    display: none;
  }

  .formations-layout {
    grid-template-columns: 1fr;
  }

  .formation-card {
    break-inside: avoid;
    border: 1px solid #000;
    margin-bottom: var(--space-4);
  }

  .formations-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}