/* 買い物リスト共有サービス - メインスタイル */

:root {
  /* カラーパレット - ライトモード */
  --color-primary: #4CAF50;
  --color-primary-dark: #388E3C;
  --color-primary-light: #C8E6C9;
  --color-secondary: #FF9800;
  --color-danger: #F44336;
  --color-success: #4CAF50;
  --color-bg: #F5F5F5;
  --color-card: #FFFFFF;
  --color-text: #333333;
  --color-text-light: #757575;
  --color-border: #E0E0E0;
  --color-checked: #BDBDBD;
  
  /* カテゴリカラー */
  --color-vegetable: #8BC34A;
  --color-meat: #F44336;
  --color-fish: #2196F3;
  --color-seasoning: #FF9800;
  --color-daily: #9C27B0;
  
  /* スペーシング */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* シャドウ */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
  
  /* トランジション */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ダークモード */
[data-theme="dark"] {
  --color-primary: #60A5FA;
  --color-primary-dark: #3B82F6;
  --color-primary-light: #1E3A8A;
  --color-secondary: #FFA726;
  --color-danger: #EF5350;
  --color-success: #10B981;
  --color-bg: #0F172A;
  --color-card: #1E293B;
  --color-text: #E2E8F0;
  --color-text-light: #94A3B8;
  --color-border: #334155;
  --color-checked: #64748B;
}

/* システム設定に従うダークモード */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-primary: #60A5FA;
    --color-primary-dark: #3B82F6;
    --color-primary-light: #1E3A8A;
    --color-secondary: #FFA726;
    --color-danger: #EF5350;
    --color-success: #10B981;
    --color-bg: #0F172A;
    --color-card: #1E293B;
    --color-text: #E2E8F0;
    --color-text-light: #94A3B8;
    --color-border: #334155;
    --color-checked: #64748B;
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ヘッダー */
.header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

[data-theme="dark"] .header {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  border-bottom: 1px solid var(--color-border);
}

.header-content {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* プログレスバー */
.progress-container {
  max-width: 800px;
  margin: var(--spacing-lg) auto var(--spacing-md);
  padding: 0 var(--spacing-lg);
}

.progress-bar {
  background: white;
  border-radius: 100px;
  height: 32px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  position: relative;
}

/* 検索・フィルター */
.filter-container {
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  padding: 0 var(--spacing-lg);
}

.filter-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.filter-btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-border);
  background: white;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

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

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-success) 100%);
  transition: width var(--transition-slow);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: var(--spacing-md);
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
}

.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 600;
  color: var(--color-text);
  z-index: 1;
  font-size: 0.9rem;
}

/* メインコンテナ */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg) var(--spacing-xl);
}

/* カテゴリセクション */
.category-section {
  margin-bottom: var(--spacing-lg);
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.category-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.category-icon.vegetable { color: var(--color-vegetable); }
.category-icon.meat { color: var(--color-meat); }
.category-icon.fish { color: var(--color-fish); }
.category-icon.seasoning { color: var(--color-seasoning); }
.category-icon.daily { color: var(--color-daily); }

.category-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.category-count {
  margin-left: auto;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* 買い物アイテム */
.shopping-items {
  display: grid;
  gap: var(--spacing-sm);
}

.shopping-item {
  background: white;
  border-radius: 12px;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: all 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
  min-height: 72px;
  cursor: pointer;
  user-select: none;
}

.shopping-item:active {
  transform: scale(0.98);
}

.shopping-item.checked {
  opacity: 0.6;
  background: var(--color-bg);
}

.shopping-item.checking {
  animation: checkBounce 0.5s ease;
}

@keyframes checkBounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* チェックボックス */
.item-checkbox {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border: 3px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: white;
}

.item-checkbox:hover {
  border-color: var(--color-primary);
  transform: scale(1.1);
}

.item-checkbox.checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.item-checkbox svg {
  width: 24px;
  height: 24px;
  color: white;
  opacity: 0;
  transform: scale(0);
  transition: all var(--transition-fast);
}

.item-checkbox.checked svg {
  opacity: 1;
  transform: scale(1);
}

/* アイテム情報 */
.item-info {
  flex: 1;
  min-width: 0;
}

.item-name {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

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

/* 数量コントロール */
.quantity-control {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-bg);
  border-radius: 24px;
  padding: var(--spacing-xs);
}

.quantity-btn {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border: none;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.quantity-btn:hover {
  background: var(--color-primary);
  color: white;
  transform: scale(1.1);
}

.quantity-btn:active {
  transform: scale(0.95);
}

.quantity-btn svg {
  width: 20px;
  height: 20px;
}

.quantity-input {
  width: 40px;
  text-align: center;
  border: none;
  background: transparent;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

/* アイコンボタン */
.icon-btn {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: white;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.icon-btn:active {
  transform: scale(0.95);
}

.icon-btn svg {
  width: 24px;
  height: 24px;
}

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

[data-theme="dark"] .icon-btn {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
}

[data-theme="dark"] .icon-btn:hover {
  background: rgba(96, 165, 250, 0.2);
  color: var(--color-primary);
}

/* テーマ切り替えボタン */
.theme-toggle-btn {
  position: relative;
}

.theme-icon-sun,
.theme-icon-moon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all var(--transition-normal);
}

/* ライトモードでは太陽を非表示、月を表示 */
:root .theme-icon-sun {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(180deg) scale(0);
}

:root .theme-icon-moon {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

/* ダークモードでは月を非表示、太陽を表示 */
[data-theme="dark"] .theme-icon-sun {
  opacity: 1;
  transform: translate(-50%, -50%) rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-icon-moon {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(-180deg) scale(0);
}

/* システム設定に従う場合 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-sun {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(0deg) scale(1);
  }

  :root:not([data-theme="light"]) .theme-icon-moon {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(-180deg) scale(0);
  }
}

/* フローティングアクションボタン */
.fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  min-width: 80px;
  height: 56px;
  padding: 0 20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: none;
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  transition: all var(--transition-normal);
  z-index: 50;
}

.fab:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 24px rgba(0,0,0,0.3);
}

.fab:active {
  transform: scale(0.95);
}

.fab-icon {
  width: 20px;
  height: 20px;
  color: white;
}

.fab-text {
  font-size: 0.7rem;
  font-weight: 600;
  color: white;
  line-height: 1;
}

/* 完了アニメーション */
/* 完了アニメーション */
.completion-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.3s ease;
}

.completion-overlay.fade-out {
  animation: fadeOut 0.5s ease;
  opacity: 0;
}

.completion-message {
  background: white;
  border-radius: 20px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  max-width: 400px;
}

.completion-icon {
  font-size: 5rem;
  animation: rotate 1s ease infinite;
  margin-bottom: 1rem;
}

.completion-title {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.completion-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
}

/* 紙吹雪 */
.confetti {
  position: fixed;
  width: 10px;
  height: 10px;
  top: -10px;
  z-index: 9999;
  animation: confettiFall linear forwards;
}

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

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes bounceIn {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes rotate {
  0%, 100% {
    transform: rotate(-10deg);
  }
  50% {
    transform: rotate(10deg);
  }
}

@keyframes confettiFall {
  0% {
    transform: translateY(0) rotateZ(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotateZ(720deg);
    opacity: 0;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* トースト通知 */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(0, 0, 0, 0.85);
  color: white;
  padding: 12px 24px;
  border-radius: 24px;
  font-size: 0.9rem;
  z-index: 300;
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: none;
  white-space: nowrap;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* モーダル */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: var(--spacing-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: white;
  border-radius: 16px;
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 600;
}

.modal-close-icon {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--color-text-light);
}

.modal-close-btn-bottom {
  padding: var(--spacing-md);
  display: flex;
  justify-content: center;
  border-top: 1px solid var(--color-border);
}

.btn-close-modal {
  padding: 12px 32px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 200px;
}

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

.btn-close-modal:active {
  transform: translateY(0);
}

.modal-tabs {
  display: flex;
  gap: var(--spacing-xs);
  padding: 0 var(--spacing-lg);
  border-bottom: 2px solid var(--color-border);
}

.modal-tab {
  flex: 1;
  padding: var(--spacing-md);
  border: none;
  background: transparent;
  color: var(--color-text-light);
  font-weight: 600;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
  margin-bottom: -2px;
}

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

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

.tab-content {
  display: none;
}

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

.modal-body {
  max-height: 60vh;
  overflow-y: auto;
}

.modal-body-scroll {
  max-height: 70vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* 商品追加モーダルのコンテンツ */
.add-item-modal-content {
  max-width: 600px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.add-item-modal-content .modal-body {
  flex: 1;
  overflow-y: auto;
}

/* リスト管理ヘッダー */
.list-management-header {
  padding: var(--spacing-md) var(--spacing-xs);
  display: flex;
  justify-content: flex-end;
}

.btn-delete-all {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.9rem;
}

.btn-delete-all svg {
  width: 18px;
  height: 18px;
}

.btn-danger {
  background: #f44336;
  color: white;
  border: none;
}

.btn-danger:hover {
  background: #d32f2f;
}

/* 商品選択グリッド */
.item-selection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-sm);
  padding: var(--spacing-xs);
}

.item-selection-card {
  background: var(--color-bg);
  border-radius: 12px;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid var(--color-border);
}

.item-selection-card:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.item-selection-card.in-list {
  background: #e8f5e9;
  border-color: var(--color-primary);
}

.item-selection-info {
  flex: 1;
  min-width: 0;
}

.item-selection-name {
  font-weight: 500;
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 4px;
}

.item-selection-status {
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 500;
}

.item-selection-category {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.item-selection-quantity {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.quantity-selector-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  background: white;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

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

.quantity-selector-btn:active {
  transform: scale(0.95);
}

.quantity-selector-btn svg {
  width: 16px;
  height: 16px;
}

.quantity-selector-value {
  min-width: 32px;
  text-align: center;
  font-weight: 600;
  color: var(--color-text);
  font-size: 1.1rem;
}

.item-selection-add-btn {
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.item-selection-add-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.item-selection-add-btn:active {
  transform: translateY(0);
}

.item-selection-remove-btn {
  padding: 8px 16px;
  background: #ff5252;
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.item-selection-remove-btn:hover {
  background: #ff1744;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.item-selection-remove-btn:active {
  transform: translateY(0);
}

/* 旧スタイル（互換性のため残す） */
.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.item-card {
  background: var(--color-bg);
  border-radius: 12px;
  padding: var(--spacing-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.item-card:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.item-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-sm);
}

.item-card-name {
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.item-card-category {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* 共有コンテンツ */
.share-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.share-section h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.share-url-container {
  display: flex;
  gap: var(--spacing-sm);
}

.share-url-input {
  flex: 1;
  padding: var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--color-bg);
}

.qr-code-container {
  display: flex;
  justify-content: center;
  padding: var(--spacing-lg);
  background: white;
  border-radius: 12px;
}

#qr-code {
  display: inline-block;
}

#qr-code img {
  display: block;
  border-radius: 8px;
}

/* エンプティステート */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-light);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

.empty-state p {
  font-size: 1.1rem;
}

/* レスポンシブ */
@media (max-width: 768px) {
  .header h1 {
    font-size: 1.2rem;
  }
  
  .container {
    padding: 0 var(--spacing-md) var(--spacing-xl);
  }
  
  .filter-container {
    padding: 0 var(--spacing-md);
  }
  
  .filter-buttons {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .filter-btn {
    white-space: nowrap;
    flex: 0 0 auto;
    min-width: 80px;
  }
  
  .fab {
    bottom: 16px;
    right: 16px;
    min-width: 70px;
    height: 50px;
    padding: 0 16px;
  }
  
  .fab-icon {
    width: 18px;
    height: 18px;
  }
  
  .fab-text {
    font-size: 0.65rem;
  }
  
  /* モバイル向け商品選択グリッド */
  .item-selection-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .item-selection-card {
    padding: var(--spacing-sm);
  }
  
  .item-selection-name {
    font-size: 0.95rem;
  }
  
  .item-selection-add-btn,
  .item-selection-remove-btn {
    padding: 6px 12px;
    font-size: 0.85rem;
  }
  
  .quantity-selector-btn {
    width: 28px;
    height: 28px;
  }
  
  .quantity-selector-btn svg {
    width: 14px;
    height: 14px;
  }
  
  .quantity-selector-value {
    min-width: 28px;
    font-size: 1rem;
  }
}

/* PWAインストールプロンプト */
.pwa-prompt {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  padding: var(--spacing-lg);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  z-index: 150;
}

.pwa-prompt.active {
  transform: translateY(0);
}

.pwa-prompt-content {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.pwa-prompt-text {
  flex: 1;
}

.pwa-prompt-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.pwa-prompt-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: 24px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

/* 商品マスター管理 */
.item-master-header {
  padding: var(--spacing-md) 0;
  display: flex;
  justify-content: flex-end;
}

.item-master-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.item-master-card {
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: all var(--transition-fast);
}

.item-master-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.item-master-card.add-new-item-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-color: var(--color-primary);
  cursor: pointer;
  justify-content: center;
  min-height: 60px;
}

.item-master-card.add-new-item-card .item-master-name {
  color: white;
  font-weight: 600;
  text-align: center;
  font-size: 1rem;
}

.item-master-card.add-new-item-card svg {
  fill: white;
}

.item-master-card.add-new-item-card:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.item-master-info {
  flex: 1;
  min-width: 0;
}

.item-master-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 4px;
}

.item-master-meta {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.item-master-drag-handle {
  cursor: grab;
  color: var(--color-text-light);
  padding: 0 8px;
  display: flex;
  align-items: center;
  font-size: 1.2rem;
  user-select: none;
}

.item-master-drag-handle:active {
  cursor: grabbing;
}

.item-master-card[draggable="true"] {
  cursor: move;
}

.item-master-card.dragging {
  opacity: 0.4;
  border: 2px dashed var(--color-primary);
  background: var(--color-primary-light);
}

.item-master-card.drag-over {
  border-top: 3px solid var(--color-primary);
  transform: translateY(-2px);
}

.item-master-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.btn-icon-small {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--color-bg);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon-small:hover {
  transform: scale(1.1);
}

.btn-icon-small svg {
  width: 18px;
  height: 18px;
}

.btn-icon-small.edit:hover {
  background: var(--color-primary);
  color: white;
}

.btn-icon-small.delete:hover {
  background: var(--color-danger);
  color: white;
}

/* フォーム */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.form-input,
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--color-card);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  margin-top: var(--spacing-xl);
}