/* ========================================
   热量计算器 — 样式文件
   暖色磨砂玻璃风格 · 移动端优先
   ======================================== */

/* ---------- CSS 变量 ---------- */
:root {
  /* 动态视口高度（JS 写入，适配移动端浏览器地址栏显隐） */
  --vh: 1vh;

  /* 暖色主色调 */
  --color-primary: #E8945A;
  --color-primary-light: #FFF2E8;
  --color-primary-dark: #D4783F;

  /* 低饱和功能色 */
  --color-warning: #E8B88A;
  --color-warning-light: #FFF6EE;
  --color-danger: #D68E8E;
  --color-danger-light: #FAF0F0;
  --color-info: #8DB5D6;
  --color-info-light: #EDF4FA;
  --color-accent-green: #A8C9A5;
  --color-accent-green-light: #EFF7EE;

  /* 文字色 */
  --text-primary: #3D3028;
  --text-secondary: #8B7E74;
  --text-hint: #C4B8AD;

  /* 背景色 */
  --bg-page: #FFF5ED;
  --bg-card: rgba(255, 255, 255, 0.65);
  --bg-card-solid: #FFFFFF;
  --bg-overlay: rgba(60, 40, 30, 0.25);

  /* 边框 */
  --border-color: rgba(0, 0, 0, 0.06);
  --border-color-strong: rgba(255, 255, 255, 0.55);
  --border-radius-sm: 12px;
  --border-radius-md: 16px;
  --border-radius-lg: 28px;
  --border-radius-capsule: 34px;
  --border-radius-round: 50%;

  /* 阴影 — 轻薄大范围扩散 */
  --shadow-card: 0 4px 24px rgba(180, 140, 110, 0.10);
  --shadow-elevated: 0 8px 40px rgba(180, 140, 110, 0.14);
  --shadow-float: 0 12px 48px rgba(180, 140, 110, 0.16);
  --shadow-nav: 0 -2px 20px rgba(180, 140, 110, 0.08);

  /* 间距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 14px;
  --space-lg: 20px;
  --space-xl: 28px;

  /* 字体 */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
                 "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-xxl: 24px;
  --font-size-hero: 32px;

  /* 过渡 */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 全局重置 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--text-primary);
  background: linear-gradient(160deg, #FFF0E0 0%, #F8E8F0 35%, #EDF0F8 70%, #FFF5ED 100%);
  background-attachment: fixed;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  height: 100vh;
  height: calc(var(--vh, 1vh) * 100);
  height: 100dvh;
  overflow: hidden;
  transition: height 0.1s ease-out;
}

/* 径向光晕叠加层 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 30% 20%, rgba(255,200,150,0.25) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 70% 60%, rgba(220,180,210,0.20) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 50% 80%, rgba(180,200,230,0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  font-size: inherit;
  color: inherit;
  transition: transform var(--transition-fast), background var(--transition-fast), opacity var(--transition-fast);
}
button:active {
  transform: scale(0.95);
}

input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* ---------- 磨砂玻璃通用类 ---------- */
.glass {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-color-strong);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.glass-light {
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

/* backdrop-filter 降级 */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .glass,
  .glass-strong,
  .glass-light,
  .top-nav,
  .bottom-nav,
  .macro-card,
  .macro-ratio,
  .meal-block,
  .intake-item,
  .empty-state,
  .stat-item,
  .history-day-item,
  .advice-card,
  .search-box,
  .modal-content,
  .auth-container,
  .search-modal-header,
  .search-modal-content .search-results,
  .search-modal-action-btn {
    background: rgba(255, 255, 255, 0.85);
  }
  .modal-overlay {
    background: rgba(60, 40, 30, 0.35);
  }
}

/* ---------- 应用容器 ---------- */
.app-container {
  max-width: 480px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: transparent;
  position: relative;
  z-index: 1;
}

/* ---------- 顶部导航栏（磨砂玻璃悬浮条） ---------- */
.top-nav {
  position: sticky;
  top: 8px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
  margin: 0 var(--space-sm);
  background: rgba(255, 255, 255, 0.50);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-color-strong);
  border-radius: 28px;
  gap: var(--space-sm);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.nav-btn {
  width: 36px;
  height: 36px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.nav-btn:hover {
  background: rgba(0, 0, 0, 0.04);
}

.nav-btn--settings {
  font-size: var(--font-size-xl);
  margin-left: auto;
}

.nav-btn--back {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-primary-dark);
  width: auto;
  padding: 0 var(--space-md);
  flex-shrink: 0;
  border-radius: 16px;
}

.date-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.date-text {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.date-label {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  font-weight: 500;
}

/* ---------- 主内容区 ---------- */
.main-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding-bottom: 100px; /* 为悬浮导航留空间 */
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  transition: padding-bottom 0.1s ease-out;
}

/* ---------- 仪表盘 ---------- */
.dashboard {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

/* 环形进度条 */
.calorie-ring {
  position: relative;
  width: 140px;
  height: 140px;
}

.ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--border-color);
  stroke-width: 8;
}

.ring-fill {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 8;
  stroke-linecap: round;
  /* 周长 = 2 * π * 52 ≈ 326.73 */
  stroke-dasharray: 326.73;
  stroke-dashoffset: 326.73; /* 0% 进度 */
  transition: stroke-dashoffset 0.6s ease;
}

.ring-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ring-value {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.ring-unit {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: 2px;
}

.calorie-summary {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.summary-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.summary-target {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.summary-target strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* 三大营养素卡片 */
.macro-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  width: 100%;
}

.macro-card {
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.macro-icon {
  font-size: 24px;
}

.macro-name {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.macro-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.macro-unit {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: -4px;
}

/* 营养素目标文字 */
.macro-target {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 2px;
}

.macro-target-text {
  font-size: 10px;
  color: var(--text-hint);
}

.macro-target-pct {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* 营养素迷你进度条 */
.macro-bar-track {
  width: 100%;
  height: 4px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 2px;
  margin-top: var(--space-xs);
  overflow: hidden;
}

.macro-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-accent-green), #8DC89F);
  transition: width 0.5s ease, background 0.3s ease;
}

.macro-bar-fill.macro-bar--low {
  background: var(--color-warning);
}

.macro-bar-fill.macro-bar--good {
  background: linear-gradient(90deg, var(--color-accent-green), #8DC89F);
}

.macro-bar-fill.macro-bar--over {
  background: var(--color-danger);
}

/* ---------- 供能比例条 ---------- */
.macro-ratio {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
}

.ratio-bar {
  display: flex;
  height: 10px;
  border-radius: 5px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.06);
}

.ratio-segment {
  height: 100%;
  transition: width 0.5s ease;
}

.ratio-segment--carbs {
  background: var(--color-warning);
}

.ratio-segment--protein {
  background: var(--color-danger);
}

.ratio-segment--fat {
  background: var(--color-info);
}

.ratio-legend {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.ratio-legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.ratio-legend-item strong {
  color: var(--text-primary);
  font-weight: 600;
}

.ratio-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.ratio-dot--carbs {
  background: var(--color-warning);
}

.ratio-dot--protein {
  background: var(--color-danger);
}

.ratio-dot--fat {
  background: var(--color-info);
}

/* ---------- 搜索区域 ---------- */
/* 全屏搜索弹窗（需高于页面内容但低于其他模态弹窗） */
.modal-overlay.search-modal-overlay {
  z-index: 200;
}

.search-modal-content {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-page);
  overflow: hidden;
}

.search-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  padding-top: calc(var(--space-lg) + env(safe-area-inset-top, 0px));
  background: rgba(255, 255, 255, 0.50);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.search-modal-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
}

/* 餐次目标提示条 */
.search-modal-meal {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-primary-light);
  flex-shrink: 0;
}

.search-modal-meal-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.search-modal-meal-target {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary-dark);
}

/* 搜索弹窗内的搜索框（去卡片化，融入页面） */
.search-modal-content .search-box {
  margin: var(--space-md) var(--space-lg);
  flex-shrink: 0;
}

/* 搜索结果区域（可滚动，覆盖旧 dropdown absolute 定位） */
.search-modal-content .search-results {
  position: static;
  flex: 1;
  overflow-y: auto;
  margin: 0 var(--space-lg);
  border-radius: var(--border-radius-md);
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  box-shadow: var(--shadow-card);
  max-height: none;
  top: auto;
  left: auto;
  right: auto;
}

/* 快捷操作入口（始终可见，在搜索结果下方） */
.search-modal-actions {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  flex-shrink: 0;
  justify-content: center;
}

.search-modal-action-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius-md);
  border: 2px solid var(--border-color);
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.search-modal-action-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.search-modal-action-btn--ai {
  border-color: var(--color-info);
  color: var(--color-info);
  background: var(--color-info-light);
}
.search-modal-action-btn--ai:hover {
  border-color: var(--color-info);
  background: #BBDEFB;
}

.search-modal-action-icon {
  font-size: 20px;
}

/* 底部安全区占位 */
.search-modal-bottom {
  height: env(safe-area-inset-bottom, var(--space-md));
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 0 var(--space-md);
  gap: var(--space-sm);
  transition: border-color var(--transition-fast);
}

.search-box:focus-within {
  border-color: var(--color-primary);
}

.search-icon {
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  height: 44px;
  font-size: var(--font-size-md);
  background: transparent;
}

.search-input::placeholder {
  color: var(--text-hint);
}

.search-clear {
  width: 28px;
  height: 28px;
  border-radius: var(--border-radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  flex-shrink: 0;
  background: var(--border-color);
  transition: background var(--transition-fast);
}

.search-clear:hover {
  background: var(--text-hint);
}

/* 搜索结果下拉 */
.search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-elevated);
  max-height: 320px;
  overflow-y: auto;
  z-index: 200;
}

.search-results-list {
  padding: var(--space-sm) 0;
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.search-result-item:hover {
  background: var(--color-primary-light);
}

.search-result-item:active {
  background: var(--color-primary-light);
}

.search-result-name {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
}

.search-result-sub {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.search-result-calories {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.search-result-category {
  font-size: var(--font-size-xs);
  color: var(--text-hint);
  background: var(--bg-page);
  padding: 2px 6px;
  border-radius: 4px;
}

.search-add-custom {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-sm);
  padding: var(--space-md) 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.search-add-custom .link-btn {
  white-space: nowrap;
  margin: 0 2px;
  font-size: var(--font-size-md);
  font-weight: 500;
}

.search-add-divider {
  color: var(--text-hint);
  margin: 0 2px;
}

.link-btn {
  color: var(--color-info);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- 摄入列表（餐次分组） ---------- */
.intake-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* 餐次选择提示条 */
.meal-selector {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary-light);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  animation: fadeIn 0.2s ease;
}

.meal-selector-tip { color: var(--text-secondary); }
.meal-selector-target { font-weight: 600; color: var(--color-primary-dark); flex: 1; }
.meal-selector-clear {
  font-size: var(--font-size-xs); color: var(--text-secondary);
  padding: 2px 8px; border-radius: 10px; background: rgba(0,0,0,0.05);
  transition: background var(--transition-fast);
}
.meal-selector-clear:hover { background: rgba(0,0,0,0.1); }

/* 四餐次区块容器 */
.meal-blocks {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* 单个餐次区块（磨砂玻璃卡片） */
.meal-block {
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.meal-block--active {
  border-color: var(--color-accent-green);
  box-shadow: 0 0 0 3px rgba(168, 201, 165, 0.2), var(--shadow-card);
}

.meal-block-header {
  display: flex; align-items: center; gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
}

.meal-block-icon { font-size: 20px; }
.meal-block-title { font-size: var(--font-size-md); font-weight: 600; color: var(--text-primary); flex: 1; }

.meal-block-cal {
  font-size: var(--font-size-sm); font-weight: 600; color: var(--text-secondary);
  background: rgba(0,0,0,0.03); padding: 2px 10px; border-radius: 10px;
}

/* 餐次内的食物列表 */
.meal-block .intake-list { padding: var(--space-sm) var(--space-lg); gap: var(--space-xs); }

/* 餐次空状态 */
.meal-block-empty {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-xs); color: var(--text-hint); text-align: center;
}

/* 餐次添加按钮（虚线边框样式） */
.meal-block-add {
  display: flex; align-items: center; justify-content: center;
  width: 100%; padding: var(--space-sm);
  font-size: var(--font-size-sm); font-weight: 500;
  color: var(--color-primary-dark);
  background: rgba(212, 149, 106, 0.06);
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
  transition: all var(--transition-fast);
}
.meal-block-add:hover {
  background: rgba(212, 149, 106, 0.12);
  color: var(--color-primary-dark);
}

/* 记录项内的餐次标签（可点击移动） */
.intake-item-meal {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 8px;
  background: var(--bg-page);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-left: var(--space-xs);
}

.intake-item-meal:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* 餐次移动弹出菜单 */
.meal-move-popup {
  position: absolute;
  z-index: 250;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-elevated);
  padding: var(--space-xs) 0;
  min-width: 100px;
  animation: fadeIn 0.15s ease;
}

.meal-move-popup button {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  text-align: left;
  color: var(--text-primary);
  transition: background var(--transition-fast);
}

.meal-move-popup button:hover {
  background: var(--color-primary-light);
}

/* 空状态提示（始终显示在餐次区块上方，轻量化） */
#intake-empty {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-primary-light);
  border-radius: var(--border-radius-sm);
  box-shadow: none;
  margin-bottom: var(--space-sm);
}
#intake-empty .empty-icon {
  font-size: 24px;
}
#intake-empty .empty-text {
  font-size: var(--font-size-sm);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.section-count {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* 空状态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-lg);
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-card);
}

.empty-icon {
  font-size: 40px;
}

.empty-text {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
  text-align: center;
}

/* 食物列表 */
.intake-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.intake-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-sm);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-card);
}

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

.intake-item-name {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.intake-item-detail {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: 2px;
}

.intake-item-calories {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.intake-item-delete {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-md);
  color: var(--text-hint);
  flex-shrink: 0;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.intake-item-delete:hover {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

/* ---------- 建议区域 ---------- */
.advice-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.advice-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.advice-card {
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
}

.advice-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.advice-icon {
  font-size: var(--font-size-xl);
}

.advice-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
}

.advice-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 运动方案列表 */
.exercise-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.exercise-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
}

.exercise-icon {
  font-size: 20px;
  width: 28px;
  text-align: center;
  flex-shrink: 0;
}

.exercise-name {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.exercise-time {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-warning);
  white-space: nowrap;
}

/* 食物标签列表 */
.food-tag-list {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.food-tag-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  display: block;
  margin-bottom: var(--space-sm);
}

.food-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.food-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: var(--font-size-xs);
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  border-radius: 20px;
  font-weight: 500;
  white-space: nowrap;
}

/* ---------- 历史记录视图 ---------- */
.history-view {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* 7 天统计卡片 */
.history-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.stat-item {
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-md);
  padding: var(--space-md) var(--space-xs);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  box-shadow: var(--shadow-card);
}

.stat-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 10px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.3;
}

/* 历史日期列表 */
.history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.history-day-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-md);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.history-day-item:hover {
  background: var(--color-primary-light);
}

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

.history-day-left {
  flex: 1;
  min-width: 0;
}

.history-day-date {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
}

.history-day-weekday {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  font-weight: 400;
}

.history-day-meta {
  font-size: var(--font-size-xs);
  color: var(--text-hint);
  margin-top: 2px;
}

.history-day-right {
  display: flex;
  align-items: baseline;
  gap: 2px;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.history-day-cal {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.history-day-unit {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-right: var(--space-sm);
}

.history-day-badge {
  display: inline-block;
  padding: 1px 8px;
  font-size: 10px;
  font-weight: 600;
  border-radius: 10px;
}

.badge--good {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge--over {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.badge--under {
  background: var(--color-warning-light);
  color: #E65100;
}

.badge--empty {
  background: var(--bg-page);
  color: var(--text-hint);
}

.history-day-arrow {
  font-size: 20px;
  color: var(--text-hint);
  flex-shrink: 0;
}

/* 空状态补充提示 */
.empty-hint {
  font-size: var(--font-size-xs);
  color: var(--text-hint);
  text-align: center;
  margin-top: -4px;
}

/* ---------- 底部悬浮胶囊导航 ---------- */
.bottom-nav {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 448px;
  display: flex;
  justify-content: space-around;
  background: rgba(255, 255, 255, 0.52);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-capsule);
  padding: 6px 8px;
  padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
  box-shadow: var(--shadow-nav);
  z-index: 100;
  overflow: hidden;
}

.bottom-nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 12px;
  color: var(--text-secondary);
  border-radius: var(--border-radius-component);
  transition: all var(--transition-normal);
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav-btn--active {
  color: var(--color-primary-dark);
  background: rgba(212, 149, 106, 0.12);
  border-radius: 28px;
  transform: scale(1.06);
  font-weight: 600;
}

.bottom-nav-btn:active {
  transform: scale(0.92);
}

.bottom-nav-icon {
  font-size: 22px;
  line-height: 1;
}

.bottom-nav-label {
  font-size: 10px;
  font-weight: 500;
}

/* ---------- 设置面板 ---------- */
.settings-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.settings-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.settings-auto-badge {
  font-size: 10px;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* 分段选择器 */
.segmented-control {
  display: flex;
  background: var(--bg-page);
  border-radius: var(--border-radius-sm);
  padding: 3px;
  gap: 2px;
}

.seg-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border-radius: 6px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--transition-fast);
}

.seg-btn--active {
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* 表单行 */
.settings-form-row {
  display: flex;
  gap: var(--space-sm);
}

.settings-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.settings-input {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-md);
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  text-align: center;
  font-size: var(--font-size-md);
  font-weight: 500;
  transition: border-color var(--transition-fast);
}

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

.settings-field-label {
  font-size: 10px;
  color: var(--text-hint);
}

/* 热量显示 */
.settings-calorie-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  padding: var(--space-sm) 0;
}

.settings-calorie-value {
  font-size: var(--font-size-hero);
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1;
}

.settings-calorie-unit {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* 自定义开关 */
.settings-custom-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-xs);
}

.toggle-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 22px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border-color);
  border-radius: 11px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition-fast);
  box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(18px);
}

.settings-custom-input {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.settings-custom-input .settings-input {
  flex: 1;
}

/* 设置弹窗 — API Key 配置 */
.settings-api-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.settings-api-proxy {
  margin-top: var(--space-sm);
}

.settings-api-proxy .settings-input {
  width: 100%;
}

.settings-input--api {
  flex: 1;
}

.btn--small {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  font-size: var(--font-size-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.btn--small:hover {
  background: var(--border-color);
}

.settings-api-actions {
  display: flex;
  gap: var(--space-sm);
}

.btn--small-outline {
  flex: 1;
  height: 36px;
  border-radius: var(--border-radius-sm);
  background: transparent;
  border: 1px solid var(--border-color);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.settings-api-hint {
  font-size: var(--font-size-xs);
  color: var(--text-hint);
  line-height: 1.5;
}

.settings-api-hint a {
  color: var(--color-info);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* 设置弹窗 — 账号区域 */
.settings-auth {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  gap: var(--space-md);
}

.settings-auth-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.settings-auth-icon {
  font-size: 20px;
}

.settings-auth-user {
  font-size: var(--font-size-md);
  font-weight: 500;
  color: var(--text-primary);
}

.btn--danger-outline {
  flex: 0 0 auto;
  height: 36px;
  padding: 0 var(--space-lg);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-danger);
  background: transparent;
  border: 1px solid var(--color-danger);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* ---------- 自定义食物表单 ---------- */
.modal-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: var(--space-md);
}

.modal-desc-hint {
  font-size: var(--font-size-xs);
  color: var(--text-hint);
  text-align: center;
  margin-top: calc(-1 * var(--space-sm));
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.custom-food-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.form-required {
  color: var(--color-danger);
}

.form-input {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-md);
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast);
}

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

.form-input-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

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

.form-input-unit {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  white-space: nowrap;
}

.form-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.form-row-3 .form-input {
  text-align: center;
}

/* 自定义食物搜索结果中的删除按钮 */
.search-result-delete {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-hint);
  flex-shrink: 0;
  margin-left: var(--space-sm);
  transition: all var(--transition-fast);
}

.search-result-delete:hover {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.search-result-custom-badge {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 6px;
  background: var(--color-info-light);
  color: var(--color-info);
  margin-left: var(--space-xs);
  font-weight: 500;
}

/* ---------- 登录/注册界面 ---------- */
.auth-screen {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #FFF0E0 0%, #F8E8F0 35%, #EDF0F8 70%, #FFF5ED 100%);
  height: 100vh;
  height: calc(var(--vh, 1vh) * 100);
  height: 100dvh;
}

.auth-container {
  width: calc(100% - 40px);
  max-width: 380px;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-float);
  gap: var(--space-xl);
}

/* Logo 区域 */
.auth-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.auth-logo {
  font-size: 56px;
  line-height: 1;
}

.auth-title {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--text-primary);
}

.auth-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* 表单面板 */
.auth-panel {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.auth-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.auth-input {
  width: 100%;
  height: 48px;
  padding: 0 var(--space-md);
  background: rgba(255, 255, 255, 0.7);
  border: 1.5px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--border-radius-component);
  font-size: var(--font-size-md);
  transition: all var(--transition-fast);
}

.auth-input:focus {
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.9);
  outline: none;
  box-shadow: 0 0 0 3px rgba(212, 149, 106, 0.12);
}

.auth-input::placeholder {
  color: var(--text-hint);
}

/* 错误提示 */
.auth-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  min-height: 18px;
  line-height: 1.5;
}

/* 主按钮 */
.auth-btn {
  width: 100%;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border: none;
  border-radius: var(--border-radius-component);
  font-size: var(--font-size-lg);
  font-weight: 600;
  letter-spacing: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: var(--space-sm);
  box-shadow: 0 4px 16px rgba(212, 149, 106, 0.25);
}

.auth-btn:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), #C06E3F);
  box-shadow: 0 6px 20px rgba(212, 149, 106, 0.35);
  transform: translateY(-1px);
}

.auth-btn:active {
  transform: scale(0.97);
  opacity: 0.9;
}

/* 切换登录/注册 */
.auth-switch {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.auth-link {
  color: var(--color-primary);
  font-weight: 500;
  cursor: pointer;
  background: none;
  border: none;
  font-size: var(--font-size-sm);
  font-family: inherit;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* 底部跳过链接 */
.auth-footer {
  text-align: center;
}

.auth-footer-text {
  font-size: var(--font-size-sm);
  color: var(--text-hint);
  padding: var(--space-sm) var(--space-md);
}

/* AI 估计入口链接 */
.link-btn--ai {
  color: var(--color-primary-dark);
}

/* AI 估计弹窗 */
.ai-estimate-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.ai-estimate-input {
  width: 100%;
  padding: var(--space-md);
  background: var(--bg-page);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-md);
  font-family: inherit;
  resize: vertical;
  min-height: 80px;
  transition: border-color var(--transition-fast);
  line-height: 1.6;
}

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

.ai-estimate-input::placeholder {
  color: var(--text-hint);
}

.ai-estimate-char-count {
  text-align: right;
  font-size: var(--font-size-xs);
  color: var(--text-hint);
  margin-top: var(--space-xs);
}

/* AI 估计结果 */
.ai-estimate-result {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-primary-light);
  border-radius: var(--border-radius-sm);
}

.ai-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.ai-result-food {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
}

.ai-result-confidence {
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  white-space: nowrap;
}

.confidence--high {
  background: #C8E6C9;
  color: #2E7D32;
}

.confidence--medium {
  background: var(--color-warning-light);
  color: #E65100;
}

.confidence--low {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.ai-result-nutrition {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xs);
}

.ai-result-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: var(--bg-card);
  border-radius: var(--border-radius-sm);
  padding: var(--space-sm);
}

.ai-result-value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary-dark);
}

.ai-result-label {
  font-size: 10px;
  color: var(--text-hint);
}

.ai-result-note {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  line-height: 1.5;
  font-style: italic;
}

/* AI 估计错误 */
.ai-estimate-error {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-danger-light);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-danger);
}

/* ---------- AI 智能建议 ---------- */
.ai-advice-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.ai-advice-btn {
  width: 100%;
  height: 44px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-md);
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.ai-advice-btn:hover {
  opacity: 0.9;
}

.ai-advice-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* AI 建议卡片 */
.advice-card--ai {
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.ai-tips-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.ai-tip-item {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  line-height: 1.6;
}

.ai-disclaimer {
  font-size: 10px;
  color: var(--text-hint);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-color);
  font-style: italic;
}

/* ---------- AI 每日食谱 ---------- */
.mealplan-section {
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.mealplan-section .section-title {
  padding: 0;
  margin-bottom: var(--space-xs);
}

/* 忌口偏好输入 */
.mealplan-prefs {
  margin: 0 0 var(--space-sm) 0;
}

.mealplan-prefs-input {
  width: 100%;
  height: 42px;
  padding: 0 var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

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

.mealplan-prefs-input::placeholder {
  color: var(--text-hint);
}

.mealplan-content {
  /* 内容区自适应，确保可以滚动 */
}

/* 食谱区生成按钮（始终可见） */
.mealplan-section > .ai-advice-btn {
  margin: 0 0 var(--space-sm) 0;
}

.mealplan-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-md);
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-md);
}

.mealplan-empty .empty-icon {
  font-size: 40px;
}

.mealplan-empty .empty-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-align: center;
}

.mealplan-result {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.mealplan-meals {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.mealplan-meal-card {
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-md);
  padding: var(--space-md);
}

.mealplan-meal-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.mealplan-meal-icon {
  font-size: 18px;
}

.mealplan-meal-title {
  font-weight: 600;
  font-size: var(--font-size-md);
  color: var(--text-primary);
  flex: 1;
}

.mealplan-meal-cal {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  padding: 2px 8px;
  border-radius: 10px;
}

.mealplan-meal-foods {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  line-height: 1.6;
  margin: 0;
}

.mealplan-meal-note {
  font-size: 11px;
  color: var(--text-hint);
  margin: var(--space-xs) 0 0 0;
  font-style: italic;
}

.mealplan-training-card {
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-md);
  padding: var(--space-md);
}

.mealplan-exercise-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.mealplan-exercise-item {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  line-height: 1.6;
}

.mealplan-total {
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
  padding: 2px 10px;
  border-radius: 12px;
  margin-left: auto;
}

.mealplan-next-meal {
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-md);
  padding: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  line-height: 1.6;
}

.mealplan-next-meal strong {
  color: var(--color-primary-dark);
}

/* 已跳过的餐次（已用过） */
.mealplan-meal-card--skipped {
  opacity: 0.45;
  background: rgba(255, 255, 255, 0.30);
  border-color: var(--border-color);
}

.mealplan-meal-card--skipped .mealplan-meal-cal {
  color: var(--text-hint);
  background: var(--border-color);
}

/* 热量预算条 */
.mealplan-budget {
  background: rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-md);
  padding: var(--space-md);
}

.mealplan-budget-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.mealplan-budget-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 64px;
}

.mealplan-budget-item--highlight {
  background: rgba(212, 149, 106, 0.10);
  border-radius: var(--border-radius-sm);
  padding: var(--space-xs) var(--space-sm);
}

.mealplan-budget-label {
  font-size: 10px;
  color: var(--text-hint);
  font-weight: 500;
}

.mealplan-budget-value {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--text-primary);
}

.mealplan-budget-item--highlight .mealplan-budget-value {
  color: var(--color-primary-dark);
}

.mealplan-budget-plus,
.mealplan-budget-eq {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-hint);
}

.mealplan-budget-target {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(102, 126, 234, 0.1);
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  line-height: 1.6;
}

.mealplan-budget-diff {
  display: inline-block;
  margin-left: var(--space-xs);
  font-weight: 600;
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 11px;
}

.mealplan-budget-diff.budget-match {
  background: #C8E6C9;
  color: #2E7D32;
}

.mealplan-budget-diff.budget-mismatch {
  background: var(--color-warning-light);
  color: #E65100;
}

/* 场景标签 */
.mealplan-budget-scenario {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.budget-scenario-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.badge--exceeded {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.badge--near-limit {
  background: var(--color-warning-light);
  color: #E65100;
}

.budget-scenario-hint {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

/* 超标预算条 */
.mealplan-budget--exceeded {
  border-color: rgba(214, 142, 142, 0.3);
  background: rgba(255, 240, 240, 0.50);
}

.mealplan-budget--near-limit {
  border-color: rgba(232, 184, 138, 0.3);
  background: rgba(255, 246, 238, 0.50);
}

.mealplan-budget-value--over {
  color: var(--color-danger) !important;
}

/* ---------- 弹窗（底部 Action Sheet + 毛玻璃遮罩） ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(60, 40, 30, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 300;
  overflow: hidden;
  animation: fadeIn 0.25s ease;
}

.modal-content {
  width: 100%;
  max-width: 480px;
  max-height: 88vh;
  height: auto;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--border-color-strong);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-float);
  animation: sheetSlideUp 0.35s cubic-bezier(0.32, 0.72, 0, 1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) var(--space-xl) var(--space-md) var(--space-xl);
  flex-shrink: 0;
  background: transparent;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  z-index: 1;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-align: center;
  flex: 1;
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  background: var(--bg-page);
  flex-shrink: 0;
  transition: background var(--transition-fast), color var(--transition-fast);
}

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

.modal-body {
  flex: 1;
  min-height: 0; /* 关键：允许 flex 子元素缩小到内容以下，使 overflow 生效 */
  overflow-y: auto;
  padding: 0 var(--space-xl);
  padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* 份量选项 */
.serving-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.serving-option {
  flex: 1;
  min-width: 80px;
  padding: var(--space-md);
  text-align: center;
  background: var(--bg-page);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.serving-option:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.serving-option--selected {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  font-weight: 600;
}

/* 自定义克数 */
.serving-custom {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-page);
  border-radius: var(--border-radius-sm);
}

.serving-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  white-space: nowrap;
}

.serving-input {
  flex: 1;
  height: 36px;
  padding: 0 var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  text-align: center;
  font-size: var(--font-size-md);
}

.serving-input:focus {
  border-color: var(--color-primary);
}

.serving-unit {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

/* 弹窗按钮 */
.modal-actions {
  display: flex;
  gap: var(--space-sm);
}

.btn {
  flex: 1;
  height: 44px;
  border-radius: var(--border-radius-component);
  font-size: var(--font-size-md);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn:active { opacity: 0.8; transform: scale(0.97); }

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(212, 149, 106, 0.2);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), #C06E3F);
  box-shadow: 0 6px 20px rgba(212, 149, 106, 0.3);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.6);
  color: var(--text-secondary);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.btn--secondary:hover {
  background: rgba(0, 0, 0, 0.04);
}

/* ---------- 响应式：桌面端 ---------- */
@media (min-width: 600px) {
  .app-container {
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
  }

  .main-content {
    padding: var(--space-xl);
    padding-bottom: 80px;
  }
}

/* ---------- 动画关键帧 ---------- */

/* 列表项滑入 */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 列表项滑出 */
@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(60px);
  }
}

/* 弹窗从底部滑入 */
@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

/* Action Sheet 底部滑入 */
@keyframes sheetSlideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

/* 遮罩淡入 */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Toast 滑入 + 淡出 */
@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* 脉冲（添加反馈） */
@keyframes pulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.04); }
  100% { transform: scale(1); }
}

/* ---------- 动画应用 ---------- */

/* 摄入列表项动画 */
.intake-item {
  animation: slideInRight 0.3s ease-out;
}

.intake-item.intake-item--removing {
  animation: slideOutRight 0.25s ease-in forwards;
  pointer-events: none;
}

/* 弹窗动画 */
.modal-overlay {
  animation: fadeIn 0.2s ease;
}

.modal-overlay .modal-content {
  animation: slideUp 0.3s ease-out;
}

/* 搜索结果下拉 */
.search-results {
  animation: fadeIn 0.15s ease;
}

/* Toast 通知 */
.toast-container {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  padding: var(--space-md) var(--space-xl);
  background: var(--text-primary);
  color: #fff;
  border-radius: 24px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  white-space: nowrap;
  pointer-events: auto;
  animation: toastIn 0.25s ease;
}

.toast.toast--leaving {
  animation: toastOut 0.2s ease forwards;
}

.toast.toast--success {
  background: var(--color-primary-dark);
}

.toast.toast--warning {
  background: #E65100;
}

/* ---------- 滚动条美化 ---------- */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}