* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

header {
  background: #2d5a27;
  color: white;
  padding: 2rem;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

header p {
  opacity: 0.9;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-header h2 {
  font-size: 1.5rem;
  color: #2d5a27;
}

.actions {
  display: flex;
  gap: 0.5rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.2s;
}

.btn-primary {
  background: #2d5a27;
  color: white;
}

.btn-primary:hover {
  background: #1e3d1a;
}

.btn-secondary {
  background: #e0e0e0;
  color: #333;
}

.btn-secondary:hover {
  background: #d0d0d0;
}

#recipe-filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1rem;
  border: 2px solid #2d5a27;
  background: white;
  color: #2d5a27;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.filter-btn:hover,
.filter-btn.active {
  background: #2d5a27;
  color: white;
}

#recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.recipe-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.recipe-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.recipe-card.selected {
  border: 3px solid #2d5a27;
  background: #f0f7ef;
}

.recipe-card .checkbox {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 24px;
  height: 24px;
  border: 2px solid #ccc;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
}

.recipe-card.selected .checkbox {
  background: #2d5a27;
  border-color: #2d5a27;
  color: white;
}

.recipe-card .checkbox::after {
  content: '';
}

.recipe-card.selected .checkbox::after {
  content: '\2713';
  font-weight: bold;
}

.recipe-card .category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: #e8f5e9;
  color: #2d5a27;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.recipe-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  padding-right: 2rem;
}

.recipe-card .meta {
  font-size: 0.85rem;
  color: #666;
}

.recipe-card .view-details {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background: #2d5a27;
  color: white;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.2s;
}

.recipe-card .view-details:hover {
  background: #1e3d1a;
}

/* Grocery Section */
#grocery-section {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#selected-recipes {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e0e0e0;
}

#selected-recipes h3 {
  font-size: 1rem;
  color: #666;
  margin-bottom: 0.5rem;
}

#selected-recipes-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

#selected-recipes-list li {
  background: #e8f5e9;
  color: #2d5a27;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.85rem;
}

.grocery-category {
  margin-bottom: 2rem;
}

.grocery-category h3 {
  font-size: 1.1rem;
  color: #2d5a27;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #e8f5e9;
}

.grocery-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid #f0f0f0;
}

.grocery-item:last-child {
  border-bottom: none;
}

.grocery-item .item-info {
  flex: 1;
}

.grocery-item .item-name {
  font-weight: 500;
}

.grocery-item .item-amount {
  font-size: 0.85rem;
  color: #666;
}

.grocery-item .amazon-link {
  padding: 0.5rem 1rem;
  background: #ff9900;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
}

.grocery-item .amazon-link:hover {
  background: #e68a00;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-content {
  background: white;
  border-radius: 12px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #666;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.modal-close:hover {
  background: #f0f0f0;
}

#modal-body {
  padding: 2rem;
}

#modal-body h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  padding-right: 2rem;
}

#modal-body .meta {
  color: #666;
  margin-bottom: 1.5rem;
}

#modal-body h3 {
  font-size: 1.1rem;
  color: #2d5a27;
  margin: 1.5rem 0 1rem;
}

#modal-body .ingredients-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

#modal-body .ingredients-table th,
#modal-body .ingredients-table td {
  padding: 0.5rem;
  text-align: left;
  border-bottom: 1px solid #e0e0e0;
}

#modal-body .ingredients-table th {
  background: #f5f5f5;
  font-weight: 500;
}

#modal-body .method-steps {
  list-style-position: outside;
  padding-left: 1.5rem;
}

#modal-body .method-steps li {
  margin-bottom: 0.75rem;
}

#modal-body .modal-actions {
  margin-top: 2rem;
  display: flex;
  gap: 0.5rem;
}

.hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 600px) {
  header {
    padding: 1.5rem 1rem;
  }

  header h1 {
    font-size: 1.75rem;
  }

  main {
    padding: 1rem;
  }

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

  .actions {
    width: 100%;
  }

  .btn {
    flex: 1;
    text-align: center;
  }

  #recipe-grid {
    grid-template-columns: 1fr;
  }

  .grocery-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .grocery-item .amazon-link {
    width: 100%;
    text-align: center;
  }
}