/* ========================================
   きょう何食べる？ - スタイルシート
   明るめ・暖色系のあたたかいデザイン
======================================== */

/* CSS変数 */
:root {
  /* カラーパレット - 暖色系 */
  --color-primary: #E07B54;
  --color-primary-light: #F4A67A;
  --color-primary-dark: #C4613D;
  --color-secondary: #F5C89A;
  --color-accent: #7CB8A5;

  /* 背景色 */
  --bg-main: #FFF9F5;
  --bg-card: #FFFFFF;
  --bg-nav: #FFFFFF;
  --bg-modal: rgba(0, 0, 0, 0.4);

  /* テキスト */
  --text-primary: #4A3728;
  --text-secondary: #7D6B5D;
  --text-light: #A89585;
  --text-on-primary: #FFFFFF;

  /* ボーダー・シャドウ */
  --border-color: #F0E6DE;
  --shadow-sm: 0 2px 8px rgba(74, 55, 40, 0.08);
  --shadow-md: 0 4px 16px rgba(74, 55, 40, 0.12);
  --shadow-lg: 0 8px 32px rgba(74, 55, 40, 0.16);

  /* サイズ */
  --header-height: 56px;
  --nav-height: 64px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;

  /* トランジション */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* リセット・ベース */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Zen Maru Gothic', sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

/* ヘッダー */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-on-primary);
  letter-spacing: 0.05em;
}

/* メインコンテンツ */
.main {
  flex: 1;
  padding-top: var(--header-height);
  padding-bottom: var(--nav-height);
}

.view {
  display: none;
  padding: 16px;
  animation: fadeIn 0.3s ease;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ナビゲーション */
.nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-nav);
  display: flex;
  justify-content: space-around;
  align-items: center;
  box-shadow: 0 -2px 16px rgba(74, 55, 40, 0.08);
  z-index: 100;
  padding-top: 8px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition-fast);
}

.nav-item.active {
  color: var(--color-primary);
}

.nav-item svg {
  width: 24px;
  height: 24px;
}

/* カレンダー */
.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.calendar-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--bg-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.btn-icon:active {
  transform: scale(0.95);
  background: var(--border-color);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 8px;
}

.calendar-weekdays span:first-child {
  color: #E07B7B;
}

.calendar-weekdays span:last-child {
  color: #7B9FE0;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-day {
  aspect-ratio: 1;
  min-height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 2px;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.calendar-day:active {
  transform: scale(0.95);
}

.calendar-day.empty {
  background: transparent;
  box-shadow: none;
  cursor: default;
}

.calendar-day.today {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--text-on-primary);
}

.calendar-day.has-meal {
  border: 2px solid var(--color-accent);
}

.calendar-day .date {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2px;
}

.calendar-day .meal-dots {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  justify-content: center;
}

.meal-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}

.calendar-day.today .meal-dot {
  background: var(--text-on-primary);
}

/* レシピ一覧 */
.recipes-header {
  margin-bottom: 16px;
}

.category-filter {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}

.category-filter::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: var(--radius-lg);
  border: none;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.filter-btn.active {
  background: var(--color-primary);
  color: var(--text-on-primary);
}

.recipes-list {
  display: grid;
  gap: 12px;
  padding-bottom: 80px;
}

.recipe-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.recipe-card:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-md);
}

.recipe-card-content {
  flex: 1;
}

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

.recipe-card-category {
  font-size: 0.75rem;
  color: var(--text-light);
  background: var(--border-color);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

.recipe-card-arrow {
  color: var(--text-light);
}

/* FAB（追加ボタン） */
.fab {
  position: fixed;
  bottom: calc(94px + env(safe-area-inset-bottom));
  right: 16px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  border: none;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--text-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-fast);
  z-index: 50;
}

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

/* 買い物メモ */
.shopping-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.shopping-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.shopping-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  min-height: 200px;
}

.shopping-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.shopping-item.checked {
  opacity: 0.6;
}

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

.item-checkbox {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

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

.item-checkbox.checked::after {
  content: '✓';
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.item-name {
  flex: 1;
  font-size: 1rem;
}

.item-delete {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.item-delete:hover {
  background: #FFE5E5;
  color: #E07B7B;
}

.add-item-form {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.btn-delete-checked {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px 16px;
  margin-bottom: 24px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-light);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-delete-checked:hover {
  color: #E07B7B;
  background: #FFF0F0;
}

.btn-delete-checked:active {
  transform: scale(0.98);
}

/* 常備品セクション */
.staples-section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  padding-bottom: 100px;
}

.staples-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.staples-header h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.staples-hint {
  font-size: 0.75rem;
  color: var(--text-light);
}

.staples-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  min-height: 40px;
}

.staple-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 2px solid transparent;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.staple-item.in-stock {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.staple-item.out-of-stock {
  background: #FFE5E5;
  border-color: #E07B7B;
  color: #C4613D;
}

.staple-item .staple-name {
  font-size: 0.875rem;
  font-weight: 500;
}

.staple-item .staple-status {
  font-size: 0.75rem;
  opacity: 0.8;
}

.staple-item .staple-delete {
  background: none;
  border: none;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  padding: 0;
  margin-left: 4px;
  font-size: 1rem;
  line-height: 1;
}

.staple-item .staple-delete:hover {
  opacity: 1;
}

.add-staple-form {
  display: flex;
  gap: 8px;
}

/* ドラッグ&ドロップ */
.staple-item.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}

.staple-item.drag-over {
  border: 2px dashed var(--color-primary);
  background: var(--color-secondary);
}

.touch-clone {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* フォーム要素 */
.input {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ボタン */
.btn-primary {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--text-on-primary);
  font-size: 1rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-secondary:active {
  background: var(--color-primary);
  color: var(--text-on-primary);
}

.btn-danger {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: none;
  background: #E07B7B;
  color: white;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-small {
  padding: 8px 12px;
  font-size: 0.875rem;
}

/* モーダル */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-modal);
  display: none;
  align-items: flex-end;
  justify-content: center;
  z-index: 200;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

.modal-large {
  max-height: 90vh;
}

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

  to {
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 10;
}

.modal-header h3 {
  font-size: 1.125rem;
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--border-color);
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-body {
  padding: 20px;
}

/* レシピ選択モーダル */
.selected-recipes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  min-height: 40px;
}

.selected-recipe-tag {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
}

.selected-recipe-tag button {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  line-height: 1;
}

.modal-category-filter {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.modal-recipes-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 40vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.modal-recipe-item {
  padding: 12px 16px;
  background: var(--bg-main);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-recipe-item:active {
  background: var(--color-secondary);
}

.modal-recipe-item.selected {
  background: var(--color-accent);
  color: white;
}

/* 材料リスト（編集用） */
.ingredients-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.ingredient-row {
  display: flex;
  gap: 8px;
}

.ingredient-row input {
  flex: 1;
}

.ingredient-row input:first-child {
  flex: 2;
}

.ingredient-row button {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: none;
  background: #FFE5E5;
  color: #E07B7B;
  cursor: pointer;
  font-size: 1.25rem;
}

/* 空状態 */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-light);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 0.875rem;
}

/* レスポンシブ */
@media (min-width: 768px) {
  .main {
    max-width: 600px;
    margin: 0 auto;
  }

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

  .calendar-day {
    min-height: 64px;
  }
}

/* ========================================
   設定画面
======================================== */

.settings-header {
  margin-bottom: 24px;
}

.settings-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.settings-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 100px;
}

.settings-section {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.settings-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.settings-section-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.settings-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-export,
.btn-import {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: none;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-export {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--text-on-primary);
}

.btn-export:active {
  transform: scale(0.98);
}

.btn-import {
  background: var(--bg-main);
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-import:active {
  background: var(--color-primary);
  color: var(--text-on-primary);
}

.btn-import:active svg {
  stroke: var(--text-on-primary);
}

/* アプリ情報 */
.app-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.app-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
}

.app-info-row:last-child {
  border-bottom: none;
}

.app-info-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.app-info-value {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}