/* ── CSS Variables ── */
:root {
  --color-primary: #2d6a4f;
  --color-primary-light: #52b788;
  --color-primary-bg: #d8f3dc;
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-text: #212529;
  --color-text-light: #6c757d;
  --color-border: #dee2e6;
  --color-danger: #dc3545;
  --color-warning: #ffc107;

  /* Method colors */
  --method-instant-pot: #e63946;
  --method-air-fryer: #f4a261;
  --method-sheet-pan: #2a9d8f;
  --method-slow-cooker: #264653;
  --method-one-pot: #e9c46a;

  /* Category colors */
  --cat-chicken: #fca311;
  --cat-beef: #d62828;
  --cat-pork: #f77f00;
  --cat-turkey: #6a994e;
  --cat-vegetarian: #2d6a4f;
  --cat-pasta: #e76f51;

  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.15);
  --max-width: 720px;
  --header-height: 100px;
  --tab-height: 48px;
}

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.app-header {
  background: var(--color-primary);
  color: white;
  text-align: center;
  padding: 16px 16px 12px;
}

.app-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 0.8rem;
  opacity: 0.85;
  margin-top: 2px;
}

/* ── Tab Bar ── */
.tab-bar {
  display: flex;
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.tab {
  flex: 1;
  padding: 12px 8px;
  border: none;
  background: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-light);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
}

.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab:hover {
  color: var(--color-primary);
}

/* ── Content ── */
.content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.btn:active {
  transform: scale(0.97);
}

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

.btn-primary:hover {
  background: #245a42;
}

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

.btn-secondary:hover {
  background: #ced4da;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

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

.btn-danger:hover {
  background: #c82333;
}

.btn-swap {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  padding: 4px 10px;
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-swap:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Plan Actions ── */
.plan-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

/* ── Meal Plan Grid ── */
.meal-plan-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.meal-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  border-left: 4px solid var(--color-border);
  cursor: pointer;
  transition: box-shadow 0.2s;
}

.meal-card:hover {
  box-shadow: var(--shadow-lg);
}

.meal-card[data-method="instant-pot"] { border-left-color: var(--method-instant-pot); }
.meal-card[data-method="air-fryer"] { border-left-color: var(--method-air-fryer); }
.meal-card[data-method="sheet-pan"] { border-left-color: var(--method-sheet-pan); }
.meal-card[data-method="slow-cooker"] { border-left-color: var(--method-slow-cooker); }
.meal-card[data-method="one-pot"] { border-left-color: var(--method-one-pot); }

.meal-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.meal-card-day {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.meal-card-name {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.meal-card-meta {
  display: flex;
  gap: 12px;
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--color-text-light);
}

.meal-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.method-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: white;
  white-space: nowrap;
}

.method-badge.instant-pot { background: var(--method-instant-pot); }
.method-badge.air-fryer { background: var(--method-air-fryer); }
.method-badge.sheet-pan { background: var(--method-sheet-pan); }
.method-badge.slow-cooker { background: var(--method-slow-cooker); }
.method-badge.one-pot { background: var(--method-one-pot); }

/* ── Plan Summary ── */
.plan-summary {
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--color-primary-bg);
  border-radius: var(--radius-lg);
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
}

/* ── Grocery List ── */
.grocery-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-text-light);
  cursor: pointer;
}

.toggle-label input {
  accent-color: var(--color-primary);
}

.grocery-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.grocery-aisle {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.aisle-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

.aisle-subtotal {
  font-weight: 400;
  font-size: 0.8rem;
  opacity: 0.9;
}

.aisle-items {
  padding: 4px 0;
}

.grocery-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--color-bg);
  font-size: 0.88rem;
}

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

.grocery-item input[type="checkbox"] {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.grocery-item.checked .grocery-item-name {
  text-decoration: line-through;
  color: var(--color-text-light);
}

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

.grocery-item-qty {
  color: var(--color-text-light);
  font-size: 0.8rem;
  white-space: nowrap;
}

.grocery-item-price {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.8rem;
  min-width: 45px;
  text-align: right;
}

.grocery-item.pantry-staple {
  display: none;
}

.show-pantry .grocery-item.pantry-staple {
  display: flex;
}

.grocery-totals {
  margin-top: 16px;
  padding: 16px;
  background: var(--color-primary-bg);
  border-radius: var(--radius-lg);
  text-align: center;
}

.grocery-total-amount {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
}

.grocery-total-range {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 2px;
}

.price-disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 12px;
  font-style: italic;
}

/* ── Browse ── */
.browse-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.filter-select {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  background: var(--color-surface);
  color: var(--color-text);
}

.browse-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.browse-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 14px;
  cursor: pointer;
  transition: box-shadow 0.2s;
  border-left: 3px solid var(--color-border);
}

.browse-card:hover {
  box-shadow: var(--shadow-lg);
}

.browse-card[data-category="chicken"] { border-left-color: var(--cat-chicken); }
.browse-card[data-category="beef"] { border-left-color: var(--cat-beef); }
.browse-card[data-category="pork"] { border-left-color: var(--cat-pork); }
.browse-card[data-category="turkey"] { border-left-color: var(--cat-turkey); }
.browse-card[data-category="vegetarian"] { border-left-color: var(--cat-vegetarian); }
.browse-card[data-category="pasta"] { border-left-color: var(--cat-pasta); }

.browse-card-name {
  font-weight: 600;
  font-size: 0.92rem;
}

.browse-card-meta {
  display: flex;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--color-text-light);
  flex-wrap: wrap;
}

.tag {
  display: inline-block;
  padding: 1px 6px;
  background: var(--color-bg);
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--color-text-light);
}

/* Custom recipe badge */
.badge-custom {
  display: inline-block;
  padding: 1px 6px;
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Browse card actions (edit/delete for custom) */
.browse-card-actions {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.browse-card-actions .btn-sm {
  padding: 3px 8px;
  font-size: 0.7rem;
}

/* ── Modals ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
}

.modal-overlay[hidden] {
  display: none;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  max-height: 90vh;
  width: 100%;
  max-width: var(--max-width);
  overflow-y: auto;
  padding: 20px;
  position: relative;
  animation: slideUp 0.25s ease-out;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-close {
  position: sticky;
  top: 0;
  float: right;
  background: var(--color-bg);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.modal-close:hover {
  background: var(--color-border);
}

.modal-title {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

/* Recipe detail modal content */
.recipe-detail-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
  padding-right: 40px;
}

.recipe-detail-desc {
  color: var(--color-text-light);
  font-size: 0.88rem;
  margin-bottom: 12px;
}

.recipe-detail-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.recipe-detail-section {
  margin-bottom: 16px;
}

.recipe-detail-section h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.recipe-ingredients-list {
  list-style: none;
  padding: 0;
}

.recipe-ingredients-list li {
  padding: 4px 0;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--color-bg);
}

.recipe-ingredients-list li:last-child {
  border-bottom: none;
}

.recipe-instructions-list {
  padding-left: 20px;
}

.recipe-instructions-list li {
  padding: 4px 0;
  font-size: 0.88rem;
  margin-bottom: 4px;
}

.toddler-note {
  background: #fff3cd;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.85rem;
}

.toddler-note-label {
  font-weight: 700;
  color: #856404;
}

/* Swap modal extras */
.swap-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

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

/* ── Add Tab ── */
.add-section {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 16px;
}

.add-section-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.add-section-desc {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.import-url-form,
.discover-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.import-url-input {
  flex: 1;
  min-width: 180px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  background: var(--color-surface);
  color: var(--color-text);
}

.import-url-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-bg);
}

.import-status {
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.85rem;
}

.import-status.loading {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.import-status.error {
  background: #f8d7da;
  color: var(--color-danger);
}

.import-status.success {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--color-primary-bg);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Edit Recipe Form ── */
.edit-recipe-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group textarea {
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-bg);
}

.form-row {
  display: flex;
  gap: 10px;
}

.form-row .form-group {
  flex: 1;
}

.form-actions {
  display: flex;
  gap: 10px;
  padding-top: 8px;
}

/* Editable list items (ingredients, instructions) */
.edit-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.edit-list-item {
  display: flex;
  gap: 6px;
  align-items: center;
}

.edit-list-item input,
.edit-list-item textarea {
  flex: 1;
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-family: inherit;
}

.edit-list-item input:focus,
.edit-list-item textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.btn-remove-item {
  background: none;
  border: none;
  color: var(--color-danger);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  line-height: 1;
  flex-shrink: 0;
}

.btn-remove-item:hover {
  background: #f8d7da;
}

/* Discover result cards with thumbnails */
.discover-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.2s;
}

.discover-card:hover {
  box-shadow: var(--shadow-lg);
}

.discover-card-thumb {
  width: 100%;
  height: 120px;
  object-fit: cover;
  display: block;
}

.discover-card-body {
  padding: 10px 12px;
}

.discover-card-name {
  font-weight: 600;
  font-size: 0.88rem;
}

.discover-card-meta {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 2px;
}

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-light);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.9rem;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text);
  color: white;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  z-index: 2000;
  animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Desktop ── */
@media (min-width: 600px) {
  .browse-grid {
    grid-template-columns: 1fr 1fr;
  }

  .modal {
    border-radius: var(--radius-lg);
    max-height: 85vh;
    margin: auto;
  }

  .modal-overlay {
    align-items: center;
    padding: 20px;
  }

  @keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media (min-width: 768px) {
  .app-header h1 {
    font-size: 1.6rem;
  }

  .content {
    padding: 24px;
  }

  .meal-plan-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .discover-card-thumb {
    height: 140px;
  }
}