/* Variables CSS pour la cohérence des couleurs */
:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #67c0b9;
  --success-color: #059669;
  --warning-color: #d97706;
  --danger-color: #dc2626;
  --danger-hover: #b91c1c;
  --background-color: #f8fafc;
  --surface-color: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --transition: all 0.2s ease-in-out;
}

/* Reset et styles de base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 40px;
  padding: 30px 0;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-hover)
  );
  color: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.header p {
  font-size: 1.1rem;
  opacity: 0.9;
}

.header i {
  margin-right: 10px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.5em 1em;
  font-size: 1rem;
  border-radius: 6px;
  background: #f5f5f5;
  color: #333;
  text-decoration: none;
  transition: background 0.2s;
  margin-bottom: 0.5em;
  transition: var(--transition);
}

.header .nav-link i {
  margin-right: 0.5em;
}

.header .nav-link:hover {
  background: #e0e0e0;
}

/* Sections principales */
.main-content {
  display: grid;
  gap: 30px;
}

section {
  background: var(--surface-color);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

section h2 {
  color: var(--text-primary);
  margin-bottom: 20px;
  font-size: 1.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Formulaire d'ajout */
.add-form {
  display: grid;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--surface-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Boutons */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  justify-content: center;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--secondary-color);
  color: white;
}

.btn-secondary:hover {
  background: #475569;
}

.btn-danger {
  background: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background: var(--danger-hover);
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.875rem;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
}

/* Section de recherche */
.search-controls {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  align-items: end;
}

.search-group {
  position: relative;
}

.search-group input {
  width: 100%;
  padding: 12px 16px 12px 45px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}

.search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
}

.filter-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  background: var(--surface-color);
}

/* Section recettes */
.recipes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.recipe-card {
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
  background: var(--surface-color);
}

.recipe-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.recipe-header {
  padding: 15px;
  background: var(--primary-color);
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.recipe-header h3 {
  font-size: 1.2rem;
  margin: 0;
}

.recipe-type {
  background: white;
  color: var(--primary-color);
  padding: 4px 8px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.recipe-body {
  padding: 15px;
}

.recipe-ingredients {
  margin: 15px 0;
}

.ingredient-list {
  list-style-type: none;
}

.ingredient-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border-color);
}

.recipe-instructions {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px dashed var(--border-color);
}

.recipe-actions {
  display: flex;
  justify-content: space-between;
  padding: 15px;
  border-top: 1px solid var(--border-color);
}

/* Section semaine */
.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 15px;
  margin-top: 20px;
}

.day-card {
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 15px;
  background: var(--surface-color);
}

.day-header {
  text-align: center;
  font-weight: 600;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-color);
}

.meal-section {
  margin-top: 15px;
}

.meal-title {
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.meal-content {
  min-height: 100px;
  padding: 10px;
  background: var(--background-color);
  border-radius: var(--border-radius);
}

.meal-actions {
  margin-top: 8px;
  display: flex;
  justify-content: flex-end;
}

/* Section suggestions */
.suggestions-list {
  display: grid;
  gap: 15px;
  margin-top: 20px;
}

.suggestion-item {
  padding: 15px 20px;
  background: rgba(37, 99, 235, 0.05);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--border-radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.suggestion-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.suggestion-info i {
  color: var(--primary-color);
}

/* @@ */
/* Section inventaire */
.inventory-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 15px;
}

.inventory-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--background-color);
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: 0.9rem;
}

.stat.alert {
  background: rgba(220, 38, 38, 0.1);
  color: var(--danger-color);
}

/* Liste d'inventaire */
.inventory-list {
  display: grid;
  gap: 15px;
}

.inventory-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  padding: 20px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: var(--transition);
  background: var(--surface-color);
}

.inventory-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.inventory-item.low-stock {
  border-color: var(--warning-color);
  background: rgba(217, 119, 6, 0.05);
}

.inventory-item.out-of-stock {
  border-color: var(--danger-color);
  background: rgba(220, 38, 38, 0.1);
}

.item-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--text-primary);
}

.item-details {
  display: flex;
  gap: 15px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.item-quantity {
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--background-color);
}

.item-quantity.low {
  background: rgba(217, 119, 6, 0.1);
  color: var(--warning-color);
}

.item-quantity.out {
  background: rgba(220, 38, 38, 0.1);
  color: var(--danger-color);
}

.item-actions {
  display: flex;
  gap: 10px;
}

/* État vide */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state i {
  font-size: 4rem;
  margin-bottom: 20px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

/* Suggestions */
.suggestions-list {
  display: grid;
  gap: 15px;
}

.suggestion-item {
  padding: 15px 20px;
  background: rgba(37, 99, 235, 0.05);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--border-radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.suggestion-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.suggestion-info i {
  color: var(--primary-color);
}

/* Modales */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
}

.modal-content {
  background: var(--surface-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideIn 0.3s ease-out;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 5px;
  border-radius: 4px;
  transition: var(--transition);
}

.close-btn:hover {
  background: var(--background-color);
  color: var(--text-primary);
}

.modal-body {
  padding: 30px;
}

.modal-actions {
  display: flex;
  gap: 15px;
  justify-content: flex-end;
  padding: 20px 30px;
  border-top: 1px solid var(--border-color);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Responsive Design */
@media (max-width: 992px) {
  .week-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  .header h1 {
    font-size: 2rem;
  }

  .header p {
    font-size: 1rem;
  }

  section {
    padding: 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .search-controls {
    grid-template-columns: 1fr;
  }

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

  .inventory-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .inventory-item {
    grid-template-columns: 1fr;
    gap: 15px;
    text-align: center;
  }

  .item-details {
    justify-content: center;
  }

  .item-actions {
    justify-content: center;
  }

  .modal-content {
    width: 95%;
    margin: 20px;
  }

  .modal-header,
  .modal-body,
  .modal-actions {
    padding: 20px;
  }

  .modal-actions {
    flex-direction: column;
  }

  .inventory-stats {
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 20px 15px;
  }

  .header h1 {
    font-size: 1.75rem;
  }

  section {
    padding: 15px;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .item-actions .btn {
    width: auto;
    flex: 1;
  }

  .week-grid {
    grid-template-columns: 1fr;
  }

  .recipes-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .header .nav-link {
    font-size: 0.95rem;
    padding: 0.5em 0.7em;
    width: 100%;
    justify-content: center;
    margin-bottom: 1em;
  }
  .header {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Styles pour l'impression */
@media print {
  .add-item-section,
  .search-section,
  .item-actions,
  .modal {
    display: none !important;
  }

  .inventory-item {
    break-inside: avoid;
    border: 1px solid #ccc !important;
    background: white !important;
  }

  .inventory-item.out-of-stock {
    background: #ffe6e6 !important;
  }
}

.mobile-toggle-btn {
  background: var(--secondary-color);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow);
}

.mobile-toggle-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.mobile-toggle-btn i {
  font-size: 1.1rem;
}

/* Styles pour les sections collapsibles */
.collapsible-section {
  transition: var(--transition);
  overflow: hidden;
}

/* Responsive - Afficher le bouton sur mobile */
@media (max-width: 768px) {
  .mobile-toggle-container {
    display: block !important;
  }

  /* Afficher les sections quand elles sont actives */
  .collapsible-section.active {
    display: block !important;
    animation: slideDown 0.3s ease-out;
  }

  /* Animation de glissement vers le bas */
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Améliorer l'espacement sur mobile */
  .main-content {
    gap: 15px;
  }

  /* Style spécial pour le bouton actif */
  .mobile-toggle-btn.active {
    background: var(--success-color);
  }

  .mobile-toggle-btn.active i {
    transform: rotate(180deg);
  }
}

@media (max-width: 480px) {
  .mobile-toggle-btn {
    width: 100%;
    justify-content: center;
    padding: 15px 20px;
    font-size: 1.1rem;
  }

  .mobile-toggle-btn span {
    display: block;
    margin-top: 4px;
    font-size: 0.9rem;
  }
}

/* Indicateur visuel pour les sections masquées */
.section-indicator {
  display: none;
  text-align: center;
  padding: 10px;
  background: rgba(37, 99, 235, 0.1);
  border: 1px dashed var(--primary-color);
  border-radius: var(--border-radius);
  color: var(--primary-color);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

@media (max-width: 768px) {
  .section-indicator {
    display: block;
  }
}

/* Amélioration de l'accessibilité */
.mobile-toggle-btn:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* Animation du bouton lors du clic */
.mobile-toggle-btn:active {
  background: var(--secondary-color);
  transform: scale(0.98);
}

/* Style pour les sections en mode compact */
@media (max-width: 768px) {
  .collapsible-section.active {
    margin-bottom: 15px;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-lg);
  }

  .collapsible-section.active h2 {
    background: var(--primary-color);
    color: white;
    margin: -30px -30px 20px -30px;
    padding: 15px 30px;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  }
}