:root {
  --bg: #fdfbff;
  --bg-gradient: linear-gradient(180deg, #e8f5d9 0%, #d0eaff 45%, #fdfbff 85%);
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --bg-elevated: #f3fbea;
  --text: #1a2e1a;
  --text-secondary: #3f5a3f;
  --text-muted: #7e8c7e;
  --accent: #16a34a;
  --accent-deep: #15803d;
  --border: rgba(90,160,90,0.14);
  --border-strong: rgba(90,160,90,0.28);
  --shadow-sm: 0 2px 8px rgba(60,120,60,0.06);
  --shadow-md: 0 6px 18px rgba(60,120,60,0.1);
  --shadow-lg: 0 10px 30px rgba(60,120,60,0.18);
  --red: linear-gradient(135deg, #ff4571 0%, #e81e63 100%);
  --green: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  --orange: linear-gradient(135deg, #ff9f43 0%, #ff6b35 100%);
  --sa-top: env(safe-area-inset-top, 0);
  --sa-bot: env(safe-area-inset-bottom, 0);
  --sa-left: env(safe-area-inset-left, 0);
  --sa-right: env(safe-area-inset-right, 0);
  --radius: 18px;
  --radius-lg: 26px;
  --footer-h: 72px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; margin: 0; padding: 0; }
html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro', 'Hiragino Sans', sans-serif;
  background: var(--bg); color: var(--text);
  overscroll-behavior-y: none;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
}
body {
  min-height: 100vh; min-height: 100dvh;
  width: 100%;
  overflow-x: hidden;
  background: var(--bg-gradient) no-repeat;
  background-attachment: fixed;
  padding: calc(var(--sa-top) + 12px) calc(16px + var(--sa-right)) calc(var(--footer-h) + var(--sa-bot) + 16px) calc(16px + var(--sa-left));
}
.hidden { display: none !important; }

/* ヘッダー */
.app-header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.app-logo { font-size: 28px; }
.app-title { flex: 1; font-size: 20px; font-weight: 800; letter-spacing: -0.4px; }
.app-subtitle { font-size: 11px; color: var(--text-muted); font-weight: 600; }

/* ページタイトル */
.page-title {
  font-size: 24px; font-weight: 800;
  letter-spacing: -0.5px; line-height: 1.2;
  margin: 4px 0 16px;
}

/* ページコンテナ */
.page { display: none; }
.page.active { display: block; }

/* 下部タブ */
.tab-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 50;
  display: flex; justify-content: space-around; align-items: stretch;
  padding: 6px calc(6px + var(--sa-left)) calc(6px + var(--sa-bot)) calc(6px + var(--sa-right));
  background: rgba(253,251,255,0.94);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-top: 0.5px solid var(--border);
}
.tab-btn {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; padding: 6px 4px; border: none; background: transparent;
  color: var(--text-muted); font-size: 10px; font-weight: 700; cursor: pointer; font-family: inherit;
  border-radius: 10px;
}
.tab-btn .tab-icon { font-size: 22px; line-height: 1; }
.tab-btn.active { color: var(--accent); }

/* セクションカード */
.card {
  background: #fff; border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
}
.card-title { font-size: 14px; font-weight: 800; color: var(--text-secondary); margin-bottom: 8px; letter-spacing: 0.2px; }

/* チップ群 */
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 8px 14px; border-radius: 999px; font-size: 14px; font-weight: 700;
  background: var(--bg-elevated); color: var(--text-secondary);
  border: 1px solid transparent; cursor: pointer; user-select: none;
  font-family: inherit;
}
.chip.active { background: var(--accent); color: #fff; border-color: var(--accent-deep); box-shadow: 0 2px 6px rgba(22,163,74,0.3); }

/* トグル */
.toggle-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 0; }
.toggle-row .toggle-label { font-size: 15px; font-weight: 600; flex: 1; }
.toggle-row .toggle-desc { font-size: 12px; color: var(--text-muted); display: block; font-weight: 500; }
.switch { position: relative; width: 46px; height: 28px; flex-shrink: 0; }
.switch input { display: none; }
.slider {
  position: absolute; inset: 0; background: #cbd5c8; border-radius: 999px;
  transition: 0.2s; cursor: pointer;
}
.slider::before {
  content: ''; position: absolute; width: 22px; height: 22px; left: 3px; top: 3px;
  background: #fff; border-radius: 50%; transition: 0.2s;
}
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider::before { transform: translateX(18px); }

/* テキスト入力 */
.text-field, .select-field {
  width: 100%; padding: 12px 14px;
  background: var(--bg-elevated); color: var(--text);
  border: none; border-radius: 12px;
  font-size: 16px; font-family: inherit; outline: none;
  margin-bottom: 8px;
}
.select-field { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237e8c7e' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }

/* セグメンテッドコントロール */
.segmented {
  display: flex; background: var(--bg-elevated); border-radius: 12px; padding: 4px; gap: 4px;
  margin-bottom: 12px;
}
.segmented button {
  flex: 1; padding: 10px 8px; border: none; background: transparent;
  color: var(--text-muted); font-size: 14px; font-weight: 700;
  border-radius: 9px; cursor: pointer; font-family: inherit;
}
.segmented button.active { background: #fff; color: var(--accent); box-shadow: var(--shadow-sm); }

/* 献立カード */
.menu-card {
  background: #fff; border-radius: var(--radius); padding: 14px 16px;
  box-shadow: var(--shadow-sm); margin-bottom: 12px; position: relative;
}
.menu-card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; margin-bottom: 4px; }
.menu-card-day-meal { font-size: 11px; font-weight: 700; color: var(--accent); letter-spacing: 0.3px; }
.menu-card-title { font-size: 17px; font-weight: 800; margin: 2px 0 6px; line-height: 1.3; }
.menu-card-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.badge { font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--bg-elevated); color: var(--text-secondary); }
.badge.time-green { background: #dcfce7; color: #166534; }
.badge.time-yellow { background: #fef9c3; color: #854d0e; }
.badge.time-red { background: #fee2e2; color: #991b1b; }
.badge.favorite { background: #fef3c7; color: #92400e; }
.badge.leftover { background: #ecfccb; color: #3f6212; }
.menu-card-section { margin-top: 8px; }
.menu-card-section h4 { font-size: 12px; font-weight: 700; color: var(--text-muted); margin-bottom: 4px; }
.menu-card-ingredients { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }
.menu-card-steps { font-size: 13px; color: var(--text-secondary); line-height: 1.6; padding-left: 18px; }
.menu-card-steps li { margin: 2px 0; }
.menu-card-note { font-size: 12px; color: var(--text-muted); font-style: italic; margin-top: 6px; }
.menu-card-actions { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }

/* レシピリスト */
.recipe-list { display: flex; flex-direction: column; gap: 10px; }
.recipe-item {
  background: #fff; border-radius: var(--radius); padding: 12px 14px;
  box-shadow: var(--shadow-sm); cursor: pointer;
}
.recipe-item.blocked { opacity: 0.5; }
.recipe-item-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.recipe-item-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* 買い物リスト */
.shopping-group { margin-bottom: 14px; }
.shopping-group-header { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 800; margin-bottom: 6px; padding: 0 4px; color: var(--text-secondary); }
.shopping-group.storage-room { --g-accent: #a3a3a3; }
.shopping-group.storage-fridge { --g-accent: #eab308; }
.shopping-group.storage-urgent { --g-accent: #ef4444; }
.shopping-group.storage-freezer { --g-accent: #3b82f6; }
.shopping-group-header::before { content: '●'; color: var(--g-accent, #999); font-size: 11px; }
.shopping-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  background: #fff; border-radius: 12px; margin-bottom: 6px;
  box-shadow: var(--shadow-sm);
}
.shopping-item input[type=checkbox] { width: 22px; height: 22px; accent-color: var(--accent); flex-shrink: 0; }
.shopping-item.checked .item-name { text-decoration: line-through; color: var(--text-muted); }
.shopping-item-text { flex: 1; min-width: 0; }
.item-name { font-size: 15px; font-weight: 600; }
.item-amount { font-size: 13px; color: var(--text-muted); margin-left: 6px; }
.item-sources { font-size: 10px; color: var(--text-muted); display: block; margin-top: 2px; }

/* メンバーカード（設定） */
.member-card {
  background: #fff; border-radius: var(--radius); padding: 14px 16px;
  box-shadow: var(--shadow-sm); margin-bottom: 10px; position: relative;
}
.member-card-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.member-name-input { flex: 1; font-size: 17px; font-weight: 700; border: none; background: transparent; outline: none; padding: 4px; }
.member-delete-btn { background: transparent; border: none; color: #ef4444; font-size: 20px; cursor: pointer; padding: 4px 8px; }
.member-row { display: grid; grid-template-columns: 90px 1fr; gap: 8px; align-items: start; margin-bottom: 8px; }
.member-row > label { font-size: 12px; color: var(--text-muted); font-weight: 700; padding-top: 10px; }
.member-row input, .member-row select { padding: 8px 10px; border: none; background: var(--bg-elevated); border-radius: 10px; font-size: 15px; font-family: inherit; outline: none; }
.tag-input-wrap { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px; background: var(--bg-elevated); border-radius: 10px; min-height: 40px; align-items: center; }
.tag-input-wrap input { flex: 1; min-width: 80px; border: none; background: transparent; outline: none; font-size: 14px; padding: 4px; font-family: inherit; }
.mini-chip { padding: 4px 10px; background: #fff; border-radius: 999px; font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.mini-chip .x { cursor: pointer; color: var(--text-muted); font-size: 14px; }

/* カメラ UI */
.live-camera {
  position: relative; background: #000; border-radius: var(--radius-lg);
  overflow: hidden; aspect-ratio: 3 / 4; margin-bottom: 12px;
  box-shadow: var(--shadow-md);
}
.live-camera video { width: 100%; height: 100%; object-fit: cover; display: block; }
.camera-overlay { position: absolute; top: 12px; right: 12px; display: flex; gap: 8px; }
.flip-btn { background: rgba(0,0,0,0.5); color: #fff; border: none; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; font-size: 18px; backdrop-filter: blur(8px); }
.camera-controls { position: absolute; bottom: 16px; left: 0; right: 0; display: flex; align-items: center; justify-content: center; }
.shutter-btn { width: 72px; height: 72px; border-radius: 50%; background: rgba(255,255,255,0.3); border: 3px solid #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: transform 0.1s; }
.shutter-btn:active { transform: scale(0.95); }
.shutter-btn .shutter-ring { width: 56px; height: 56px; border-radius: 50%; background: #fff; }
.fridge-queue-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.fridge-queue-item { position: relative; aspect-ratio: 1; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 6px rgba(0,0,0,0.08); }
.fridge-queue-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fridge-queue-item .delete-btn { position: absolute; top: 4px; right: 4px; background: rgba(0,0,0,0.65); color: #fff; border: none; width: 24px; height: 24px; border-radius: 50%; cursor: pointer; font-size: 13px; display: flex; align-items: center; justify-content: center; }

/* 認識食材 */
.detected-ingredient { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: #fff; border-radius: 10px; margin-bottom: 6px; box-shadow: var(--shadow-sm); }
.detected-ingredient.low-conf { opacity: 0.65; background: #f9fafb; }
.detected-ingredient input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--accent); }
.detected-ingredient .di-name { flex: 1; font-size: 14px; font-weight: 600; }
.detected-ingredient .di-amount { font-size: 12px; color: var(--text-muted); }
.detected-ingredient .conf { font-size: 10px; color: var(--text-muted); }

/* ボタン */
.btn-primary {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 14px 22px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  color: #fff; border: none; border-radius: 16px;
  font-size: 17px; font-weight: 800; cursor: pointer; font-family: inherit;
  box-shadow: 0 6px 18px rgba(22,163,74,0.32);
  transition: transform 0.1s;
}
.btn-primary:active:not(:disabled) { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }
.btn-secondary {
  padding: 10px 18px;
  background: var(--bg-elevated); color: var(--accent-deep);
  border: 1px solid var(--border-strong); border-radius: 12px;
  font-size: 14px; font-weight: 700; cursor: pointer; font-family: inherit;
}
.btn-secondary:active { opacity: 0.8; }
.btn-danger { padding: 10px 18px; background: #fee2e2; color: #ef4444; border: none; border-radius: 12px; font-size: 14px; font-weight: 700; cursor: pointer; font-family: inherit; }
.btn-ghost-row { padding: 12px 16px; background: #fff; border: 1px dashed var(--border-strong); border-radius: 12px; color: var(--accent-deep); font-size: 14px; font-weight: 700; width: 100%; cursor: pointer; font-family: inherit; }

/* モーダル */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  display: flex; align-items: flex-end; justify-content: center; z-index: 100;
  padding: 16px;
}
.modal.hidden { display: none; }
.modal-content {
  background: #fff; border-radius: var(--radius-lg);
  width: 100%; max-width: 480px;
  max-height: calc(100vh - 64px);
  padding: 20px 18px calc(20px + var(--sa-bot));
  overflow-y: auto;
  animation: slideUp 0.25s ease;
}
.modal-title { font-size: 19px; font-weight: 800; margin-bottom: 12px; }
.modal-close { float: right; background: transparent; border: none; font-size: 22px; color: var(--text-muted); cursor: pointer; padding: 2px 6px; }

/* トースト */
.toast {
  position: fixed;
  bottom: calc(var(--footer-h) + var(--sa-bot) + 14px);
  left: 50%; transform: translateX(-50%);
  max-width: calc(100% - 24px);
  background: #1a1a2e; color: #fff;
  padding: 12px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 500; z-index: 200;
  box-shadow: 0 8px 28px rgba(0,0,0,0.25);
  animation: slideUp 0.25s ease;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.toast.hidden { display: none; }
.toast.success { background: #16a34a; }
.toast.error { background: #ef4444; }
@keyframes slideUp {
  from { transform: translate(-50%, 20px); opacity: 0; }
  to { transform: translate(-50%, 0); opacity: 1; }
}

/* ローディング */
.loading-overlay {
  position: fixed; inset: 0; background: rgba(253,251,255,0.85);
  backdrop-filter: blur(8px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 300; gap: 12px;
}
.loading-overlay.hidden { display: none; }
.spinner {
  width: 48px; height: 48px; border: 4px solid rgba(22,163,74,0.2);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: 14px; font-weight: 700; color: var(--accent-deep); }

/* 評価ボタン */
.rating-buttons { display: flex; gap: 6px; margin-top: 8px; }
.rating-btn { flex: 1; padding: 8px; border: 1px solid var(--border); background: #fff; border-radius: 12px; font-size: 18px; cursor: pointer; transition: all 0.15s; font-family: inherit; }
.rating-btn.active[data-rating="5"] { background: #fef3c7; border-color: #fbbf24; }
.rating-btn.active[data-rating="3"] { background: #dbeafe; border-color: #60a5fa; }
.rating-btn.active[data-rating="1"] { background: #fee2e2; border-color: #ef4444; }

.empty-state { text-align: center; padding: 36px 16px; color: var(--text-muted); font-size: 14px; line-height: 1.6; }
.empty-state .emoji { font-size: 48px; display: block; margin-bottom: 8px; }

input, select, textarea { font-size: 16px; }

@media (min-width: 640px) {
  body { padding-left: calc(max(16px, 50vw - 240px) + var(--sa-left)); padding-right: calc(max(16px, 50vw - 240px) + var(--sa-right)); }
  .tab-bar { padding-left: calc(max(16px, 50vw - 240px) + var(--sa-left)); padding-right: calc(max(16px, 50vw - 240px) + var(--sa-right)); }
}