/* === VARIABLES CSS === */
:root {
  --filter-primary: #000;
  --filter-secondary: #666;
  --filter-border: #e5e5e5;
  --filter-bg: #fff;
  --filter-hover: #f5f5f5;
  --filter-accent: #2c5aa0;
  --filter-radius: 6px;
  --filter-shadow: 0 2px 8px rgba(0,0,0,0.1);
  --filter-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === CONTENEUR PRINCIPAL === */
.custom-filter-sidebar {
  font-family: "Inter", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--filter-bg);
  border: 1px solid var(--filter-border);
  border-radius: var(--filter-radius);
  padding: 24px;
  max-width: 300px;
  box-shadow: var(--filter-shadow);
  position: sticky;
  top: 20px;
}

/* === COMPTEUR ET RESET === */
.filter-count {
  margin-bottom: 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--filter-primary);
  text-align: center;
  padding: 12px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-radius: var(--filter-radius);
  border: 1px solid var(--filter-border);
}

.filter-reset {
  display: block;
  width: 100%;
  padding: 14px 20px;
  border: 2px solid var(--filter-primary);
  border-radius: 50px;
  background: transparent;
  color: var(--filter-primary);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  margin-bottom: 24px;
  transition: var(--filter-transition);
  position: relative;
  overflow: hidden;
}

.filter-reset::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--filter-primary);
  transition: var(--filter-transition);
  z-index: -1;
}

.filter-reset:hover::before {
  left: 0;
}

.filter-reset:hover {
  color: var(--filter-bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* === GROUPES DE FILTRES === */
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.filter-item {
  border-bottom: 1px solid var(--filter-border);
  margin-bottom: 16px;
  transition: var(--filter-transition);
}

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

.filter-item:hover {
  background: var(--filter-hover);
  border-radius: var(--filter-radius);
  padding: 8px;
  margin: 8px -8px;
}

/* === EN-TÊTES DE SECTIONS === */
.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  font-weight: 600;
  font-size: 15px;
  color: var(--filter-primary);
  cursor: pointer;
  transition: var(--filter-transition);
  user-select: none;
}

.filter-header:hover {
  color: var(--filter-accent);
}

.filter-header span {
  font-size: 18px;
  font-weight: 300;
  transition: var(--filter-transition);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--filter-border);
  border-radius: 50%;
  background: var(--filter-bg);
}

.filter-header.active span {
  transform: rotate(45deg);
  background: var(--filter-primary);
  color: var(--filter-bg);
  border-color: var(--filter-primary);
}

/* === CONTENU DES FILTRES === */
.filter-content {
  display: none;
  padding: 0 0 20px;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.filter-content label {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: var(--filter-secondary);
  margin-bottom: 12px;
  cursor: pointer;
  transition: var(--filter-transition);
  padding: 8px;
  border-radius: 4px;
  position: relative;
}

.filter-content label:hover {
  background: var(--filter-hover);
  color: var(--filter-primary);
}

.filter-content input[type="checkbox"] {
  margin-right: 12px;
  width: 18px;
  height: 18px;
  accent-color: var(--filter-primary);
  cursor: pointer;
}

/* === STYLES POUR LE FILTRE DE PRIX === */
.price-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.price-inputs label {
  display: flex;
  flex-direction: column;
  font-weight: 500;
  color: var(--filter-primary);
  margin-bottom: 0;
}

.price-input {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--filter-border);
  border-radius: var(--filter-radius);
  font-size: 14px;
  font-weight: 500;
  transition: var(--filter-transition);
  margin-top: 6px;
}

.price-input:focus {
  outline: none;
  border-color: var(--filter-accent);
  box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

/* === BOUTONS D'APPLICATION === */
.apply-price-filter,
.apply-sale-filter,
.apply-category-filter {
  width: 100%;
  padding: 12px 16px;
  background: var(--filter-primary);
  color: var(--filter-bg);
  border: none;
  border-radius: var(--filter-radius);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--filter-transition);
  margin-top: 8px;
  position: relative;
  overflow: hidden;
}

.apply-price-filter::before,
.apply-sale-filter::before,
.apply-category-filter::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: var(--filter-transition);
}

.apply-price-filter:hover::before,
.apply-sale-filter:hover::before,
.apply-category-filter:hover::before {
  left: 100%;
}

.apply-price-filter:hover,
.apply-sale-filter:hover,
.apply-category-filter:hover {
  background: #333;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.apply-price-filter:active,
.apply-sale-filter:active,
.apply-category-filter:active {
  transform: translateY(0);
}

/* === STYLES POUR LE FILTRE DE PROMOTION === */
.sale-options {
  margin-bottom: 16px;
}

.sale-checkbox {
  margin-right: 12px;
  width: 18px;
  height: 18px;
  accent-color: var(--filter-accent);
}

/* === ACCORDÉON OUVERT === */
.filter-header.active + .filter-content {
  display: block;
}

/* === CONTAINER POUR LE FILTRE AUTOMATIQUE === */
.woo-filter-container {
  margin-bottom: 24px;
  padding: 20px;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border-radius: 12px;
  border: 1px solid var(--filter-border);
  box-shadow: var(--filter-shadow);
}

.woo-filter-container .custom-filter-sidebar {
  border: none;
  max-width: 100%;
  padding: 0;
  box-shadow: none;
  background: transparent;
  position: static;
}

/* === AMÉLIORATION DES CATÉGORIES === */
.filter-content label[for*="cat"] {
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border: 1px solid var(--filter-border);
  border-radius: var(--filter-radius);
  margin-bottom: 8px;
  transition: var(--filter-transition);
}

.filter-content label[for*="cat"]:hover {
  background: linear-gradient(135deg, var(--filter-accent) 0%, #4a69bd 100%);
  color: white;
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(44, 90, 160, 0.3);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  /* === MASQUER LE FILTRE DESKTOP === */
  .custom-filter-sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    background: var(--filter-bg);
    padding: 0;
    max-width: 100%;
    border-radius: 0;
    box-shadow: none;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }

  /* === ÉTAT ACTIF DU MODAL === */
  .custom-filter-sidebar.mobile-active {
    display: block;
    transform: translateY(0);
  }

  /* === OVERLAY MOBILE === */
  .mobile-filter-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .mobile-filter-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  /* === BOUTON FILTRER MOBILE === */
  .mobile-filter-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--filter-bg);
    border: 1px solid var(--filter-border);
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  }

  .mobile-filter-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--filter-primary);
    cursor: pointer;
    padding: 0;
  }

  .mobile-filter-btn svg {
    width: 16px;
    height: 16px;
  }

  .mobile-articles-count {
    font-size: 14px;
    color: var(--filter-secondary);
    font-weight: 500;
  }

  /* === EN-TÊTE DU MODAL === */
  .mobile-filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--filter-border);
    background: var(--filter-bg);
    position: sticky;
    top: 0;
    z-index: 10;
  }

  .mobile-filter-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--filter-primary);
    margin: 0;
    letter-spacing: 0.5px;
  }

  .mobile-filter-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--filter-transition);
  }

  .mobile-filter-close:hover {
    background: var(--filter-hover);
  }

  .mobile-filter-close svg {
    width: 20px;
    height: 20px;
    color: var(--filter-primary);
  }

  /* === CONTENU DU MODAL === */
  .filter-group {
    padding: 0 24px;
    padding-bottom: 100px; /* Espace pour les boutons fixes */
  }

  .filter-item {
    border-bottom: 1px solid var(--filter-border);
    margin-bottom: 0;
    padding: 0;
  }

  .filter-item:hover {
    background: transparent;
    border-radius: 0;
    padding: 0;
    margin: 0;
  }

  .filter-header {
    padding: 20px 0;
    font-size: 16px;
    font-weight: 500;
    border-bottom: none;
  }

  .filter-content {
    padding: 0 0 24px;
    max-height: none;
  }

  .filter-content label {
    padding: 12px 0;
    margin-bottom: 0;
    border-bottom: 1px solid #f5f5f5;
    font-size: 15px;
  }

  .filter-content label:last-child {
    border-bottom: none;
  }

  /* === BOUTONS D'ACTION MOBILES === */
  .mobile-filter-actions {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 24px;
    background: var(--filter-bg);
    border-top: 1px solid var(--filter-border);
    display: flex;
    gap: 12px;
    z-index: 11;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  }

  .mobile-reset-btn {
    flex: 1;
    padding: 16px;
    background: transparent;
    border: 2px solid var(--filter-primary);
    border-radius: 8px;
    color: var(--filter-primary);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--filter-transition);
  }

  .mobile-reset-btn:hover {
    background: var(--filter-hover);
  }

  .mobile-apply-btn {
    flex: 2;
    padding: 16px;
    background: var(--filter-primary);
    border: 2px solid var(--filter-primary);
    border-radius: 8px;
    color: var(--filter-bg);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--filter-transition);
  }

  .mobile-apply-btn:hover {
    background: #333;
    border-color: #333;
  }

  /* === MASQUER LES ÉLÉMENTS DESKTOP === */
  .desktop-only {
    display: none !important;
  }

  /* === EMPÊCHER LE DÉFILEMENT DU BODY === */
  body.filter-modal-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
  }

  /* === STYLES SPÉCIAUX POUR LES FILTRES === */
  .price-inputs {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
  }

  .price-inputs label {
    font-size: 14px;
  }

  .price-input {
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid var(--filter-border);
    border-radius: 8px;
  }

  .apply-price-filter,
  .apply-sale-filter,
  .apply-category-filter {
    padding: 14px 16px;
    font-size: 15px;
    border-radius: 8px;
    margin-top: 16px;
  }

  /* === AMÉLIORATION DES CHECKBOXES === */
  .filter-content input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 16px;
  }
}

/* === MASQUER LE TRIGGER MOBILE SUR DESKTOP === */
@media (min-width: 769px) {
  .mobile-filter-trigger,
  .mobile-filter-overlay,
  .mobile-filter-header,
  .mobile-filter-actions {
    display: none !important;
  }
  
  .custom-filter-sidebar {
    max-width: 300px;
    padding: 24px;
    border-radius: var(--filter-radius);
    box-shadow: var(--filter-shadow);
    position: sticky;
    top: 20px;
  }
}

@media (max-width: 480px) {
  .custom-filter-sidebar {
    padding: 12px;
  }
  
  .filter-reset {
    padding: 12px 16px;
    font-size: 12px;
  }
  
  .apply-price-filter,
  .apply-sale-filter,
  .apply-category-filter {
    padding: 10px 12px;
    font-size: 12px;
  }
}

/* === ANIMATIONS ET MICRO-INTERACTIONS === */
@media (prefers-reduced-motion: no-preference) {
  .filter-item {
    transition: var(--filter-transition);
  }
  
  .filter-content {
    animation: slideDown 0.3s ease-out;
  }
  
  .custom-filter-sidebar {
    transition: var(--filter-transition);
  }
  
  .custom-filter-sidebar:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  }
}

/* === ÉTATS DE FOCUS POUR L'ACCESSIBILITÉ === */
.filter-header:focus,
.filter-reset:focus,
.apply-price-filter:focus,
.apply-sale-filter:focus,
.apply-category-filter:focus {
  outline: 2px solid var(--filter-accent);
  outline-offset: 2px;
}

.filter-content input:focus {
  outline: 2px solid var(--filter-accent);
  outline-offset: 1px;
}

/* === INDICATEURS VISUELS === */
.filter-content label input:checked + span {
  font-weight: 600;
  color: var(--filter-accent);
}

/* Ajout d'un indicateur pour les sections avec filtres actifs */
.filter-header.has-active-filters::after {
  content: '●';
  color: var(--filter-accent);
  font-size: 12px;
  margin-left: 8px;
}