/* ========================================
   减脂自媒体博主个人AI工作台
   治愈浅色主题 · 简约干净
   ======================================== */

/* ===== 基础变量 ===== */
:root {
  --bg-main: #FAF7F2;
  --bg-sidebar: #F5EFE9;
  --bg-card: #FFFFFF;
  --bg-input: #F9F6F2;
  --bg-hover: #F0EBE4;

  --color-primary: #C4909B;
  --color-primary-light: #E8D0D6;
  --color-primary-dark: #A97080;
  --color-secondary: #A8C4A2;
  --color-secondary-light: #D5E5D0;
  --color-accent: #E8B4B8;
  --color-warm: #F0D4A8;

  --text-primary: #5D5550;
  --text-secondary: #9B948E;
  --text-light: #C4BCB6;
  --text-white: #FFFFFF;

  --border-color: #EAE4DE;
  --border-light: #F0EBE4;

  --shadow-sm: 0 1px 3px rgba(180, 160, 150, 0.08);
  --shadow-md: 0 2px 8px rgba(180, 160, 150, 0.10);
  --shadow-lg: 0 4px 16px rgba(180, 160, 150, 0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --sidebar-width: 240px;
  --transition: all 0.25s ease;
}

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

html, body {
  height: 100%;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-primary-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* ===== 侧边栏 ===== */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-header {
  padding: 24px 20px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.sidebar-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.sidebar-subtitle {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
  letter-spacing: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 2px;
  user-select: none;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--color-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-sm);
}

.nav-item .nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.nav-item.active .nav-icon {
  transform: scale(1.1);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-light);
  font-size: 11px;
  color: var(--text-light);
  text-align: center;
}

/* ===== 主内容区 ===== */
.main-content {
  margin-left: var(--sidebar-width);
  height: 100vh;
  overflow-y: auto;
}

.module-panel {
  display: none;
  padding: 28px 32px;
  animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 通用组件 ===== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-title .title-icon {
  font-size: 24px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

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

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

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 6px 12px;
}

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

.btn-sm { padding: 5px 12px; font-size: 12px; }

.btn-danger {
  background: transparent;
  color: #D88989;
  border: 1px solid #E8C4C4;
}

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

/* ===== 卡片 ===== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== 表单 ===== */
.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 9px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 13px;
  transition: var(--transition);
  font-family: inherit;
}

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

.form-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.6;
}

.form-row {
  display: flex;
  gap: 12px;
}

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

/* ===== 标签/徽章 ===== */
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
}

.tag-recipe { background: #F0E0E4; color: #A97080; }
.tag-talk { background: #E0EBDD; color: #7A9B6E; }
.tag-review { background: #F0E8D0; color: #A08850; }
.tag-default { background: var(--bg-hover); color: var(--text-secondary); }

.status-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
}

.status-pending { background: #F5E8E0; color: #C49A6E; }
.status-shooting { background: #E0E8F0; color: #6E8EB4; }
.status-done { background: #D5E5D0; color: #6E9B5E; }
.status-published { background: #E0D5E8; color: #8E6E9B; }

/* ===== 模态框 ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(90, 80, 75, 0.3);
  backdrop-filter: blur(2px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.show { display: flex; }

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
}

.modal-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-light);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.modal-body { padding: 20px 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-light);
}

.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state .empty-text { font-size: 14px; }

/* ===== 筛选栏 ===== */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-chip {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  user-select: none;
}

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

/* ===== 搜索框 ===== */
.search-box {
  position: relative;
  flex: 1;
  max-width: 280px;
}

.search-box input {
  width: 100%;
  padding: 8px 14px 8px 36px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background: var(--bg-card);
  font-size: 13px;
  transition: var(--transition);
}

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

.search-box::before {
  content: "\1F50D";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
}

/* ========================================
   模块1: 选题库
   ======================================== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.topic-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  cursor: pointer;
}

.topic-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.topic-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
  gap: 8px;
}

.topic-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.topic-hook {
  font-size: 12px;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 4px 10px;
  border-radius: 8px;
  margin-bottom: 8px;
  line-height: 1.5;
}

.topic-script {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-height: 60px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.topic-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
}

.topic-meta {
  display: flex;
  gap: 8px;
  align-items: center;
}

.topic-actions {
  display: flex;
  gap: 4px;
}

/* ========================================
   模块2: 热量数据库
   ======================================== */
.calorie-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.calorie-tab {
  padding: 8px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.calorie-tab.active {
  background: var(--color-primary);
  color: var(--text-white);
  border-color: var(--color-primary);
}

.calorie-panel { display: none; }
.calorie-panel.active { display: block; }

/* 食材搜索结果 */
.food-search-results {
  margin-top: 16px;
}

.food-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.food-result-item:hover {
  background: var(--bg-hover);
  border-color: var(--color-primary);
}

.food-result-name { font-weight: 600; font-size: 13px; }
.food-result-cat { font-size: 11px; color: var(--text-light); }
.food-result-cal { color: var(--color-primary); font-weight: 600; font-size: 13px; }

/* 营养结果展示 */
.nutrition-result {
  margin-top: 16px;
  padding: 20px;
  background: linear-gradient(135deg, #FFF5F5, #F5FFF0);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.nutrition-result .nutri-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.nutrition-result .nutri-weight {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.nutri-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.nutri-box {
  text-align: center;
  padding: 12px 8px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
}

.nutri-box .nutri-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.nutri-box .nutri-value {
  font-size: 20px;
  font-weight: 700;
}

.nutri-box .nutri-unit {
  font-size: 11px;
  color: var(--text-light);
}

.nutri-cal { color: #E8A0A0; }
.nutri-protein { color: #8EB4D4; }
.nutri-carbs { color: #D4C88E; }
.nutri-fat { color: #D4A8C4; }

/* 食谱核算列表 */
.recipe-list {
  margin-top: 12px;
}

.recipe-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  font-size: 13px;
}

.recipe-item-name { font-weight: 500; }
.recipe-item-weight { color: var(--text-secondary); }
.recipe-item-cal { color: var(--color-primary); font-weight: 600; }

.recipe-total {
  margin-top: 12px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #FFF5F5, #F0F5FF);
  border-radius: var(--radius-lg);
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.recipe-total-item {
  text-align: center;
}

.recipe-total-label {
  font-size: 11px;
  color: var(--text-secondary);
}

.recipe-total-value {
  font-size: 22px;
  font-weight: 700;
}

/* ===== 食材替换计算器 ===== */
.swap-result-card {
  margin-top: 16px;
  padding: 24px;
  background: linear-gradient(135deg, #FFF8F5, #F5F8F5);
}

.swap-result-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
}

.swap-result-food {
  text-align: center;
  flex: 1;
}

.swap-food-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.swap-food-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.swap-food-weight {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
}

.swap-arrow-icon {
  font-size: 28px;
  color: var(--color-primary);
  font-weight: 300;
  flex-shrink: 0;
}

.swap-match-badge {
  text-align: center;
  padding: 8px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  border: 1px solid var(--color-primary-light);
}

.swap-compare-table {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.swap-compare-row {
  display: flex;
  border-bottom: 1px solid var(--border-light);
}

.swap-compare-row:last-child {
  border-bottom: none;
}

.swap-compare-header {
  background: var(--bg-input);
  font-weight: 600;
  font-size: 12px;
}

.swap-compare-col {
  flex: 1;
  padding: 10px 8px;
  text-align: center;
  font-size: 13px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.swap-metric-label {
  font-weight: 600;
  color: var(--text-secondary);
}

.swap-suggestion {
  margin-top: 14px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  font-size: 12px;
  line-height: 2;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

/* ===== 自定义食材列表 ===== */
.custom-food-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}

.custom-food-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

.custom-food-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.custom-food-info {
  display: flex;
  flex-direction: column;
  font-size: 10px;
  color: var(--text-secondary);
  gap: 2px;
  margin-left: auto;
}

.custom-food-cat {
  font-size: 10px;
  color: var(--text-light);
}

.custom-food-del {
  flex-shrink: 0;
  padding: 4px 8px !important;
}

/* ========================================
   模块3: 减脂打卡
   ======================================== */
.checkin-date-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.meal-section {
  margin-bottom: 16px;
}

.meal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.meal-icon { font-size: 18px; }
.meal-title { font-size: 15px; font-weight: 600; }
.meal-cal { font-size: 13px; color: var(--color-primary); font-weight: 600; }

.meal-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.meal-item-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.meal-item-row input {
  flex: 1;
  padding: 7px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  font-size: 13px;
}

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

.meal-item-row .weight-input { max-width: 90px; }
.meal-item-row .cal-display { max-width: 80px; text-align: center; color: var(--color-primary); }

.exercise-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.daily-total-bar {
  margin-top: 16px;
  padding: 18px 24px;
  background: linear-gradient(135deg, #F0F5F0, #FFF5F5);
  border-radius: var(--radius-lg);
  display: flex;
  justify-content: space-around;
  align-items: center;
  border: 1px solid var(--border-light);
}

.total-item { text-align: center; }
.total-label { font-size: 11px; color: var(--text-secondary); margin-bottom: 2px; }
.total-value { font-size: 24px; font-weight: 700; }
.total-cal-color { color: #E8A0A0; }
.total-exercise-color { color: #8EB4B4; }

/* ===== 单餐宏量营养素小结 ===== */
.meal-macro-summary {
  margin-top: 8px;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.meal-macro-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}

.meal-macro-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.meal-macro-dot.protein { background: #E89B9B; }
.meal-macro-dot.carbs   { background: #F0C674; }
.meal-macro-dot.fat     { background: #A8C8A0; }

.meal-macro-label { color: var(--text-secondary); }
.meal-macro-value { font-weight: 600; color: var(--text-primary); }
.meal-macro-pct   { color: var(--text-light); font-size: 11px; }

.meal-macro-bar-wrap {
  flex: 1;
  min-width: 100px;
  height: 6px;
  background: var(--border-light);
  border-radius: 3px;
  overflow: hidden;
  display: flex;
}

.meal-macro-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
}
.meal-macro-bar-fill.protein { background: #E89B9B; }
.meal-macro-bar-fill.carbs   { background: #F0C674; }
.meal-macro-bar-fill.fat     { background: #A8C8A0; }

/* ===== 每日宏量营养素汇总 ===== */
.daily-macro-bar {
  margin-top: 12px;
  padding: 18px 24px;
  background: linear-gradient(135deg, #F5F0F5, #F0F5F0);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.macro-bar-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.macro-stacked-bar {
  display: flex;
  height: 12px;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 14px;
  background: var(--border-light);
}

.macro-seg {
  height: 100%;
  transition: width 0.5s ease;
}
.macro-seg.macro-protein { background: #E89B9B; }
.macro-seg.macro-carbs   { background: #F0C674; }
.macro-seg.macro-fat     { background: #A8C8A0; }

.macro-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.macro-card {
  text-align: center;
  padding: 10px 8px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.macro-card-icon { font-size: 16px; }
.macro-card-name { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }
.macro-card-grams { font-size: 20px; font-weight: 700; margin-top: 2px; }
.macro-card-pct {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 2px;
}
.macro-card-cal { font-size: 10px; color: var(--text-light); }

.macro-card.protein .macro-card-grams { color: #D88888; }
.macro-card.carbs   .macro-card-grams { color: #D9A838; }
.macro-card.fat     .macro-card-grams { color: #8EAA86; }

/* 历史记录 */
.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.history-item {
  padding: 14px 18px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.history-item:hover { box-shadow: var(--shadow-sm); }

.history-date { font-weight: 600; font-size: 14px; }
.history-summary { font-size: 12px; color: var(--text-secondary); }
.history-cal { font-size: 16px; font-weight: 700; color: var(--color-primary); }

/* ========================================
   模块4: 英语学习
   ======================================== */
.english-section {
  margin-bottom: 20px;
}

.english-textarea {
  width: 100%;
  min-height: 100px;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-input);
  font-size: 13px;
  line-height: 1.8;
  resize: vertical;
  font-family: inherit;
}

.english-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.word-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.word-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.word-en { font-weight: 600; color: var(--color-primary-dark); min-width: 100px; }
.word-cn { color: var(--text-secondary); flex: 1; }
.word-del { cursor: pointer; color: var(--text-light); font-size: 16px; }
.word-del:hover { color: #D88989; }

/* 学习记录列表 */
.study-records {
  margin-top: 20px;
}

.study-record-item {
  padding: 14px 18px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  margin-bottom: 8px;
}

.study-record-date {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.study-record-content {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.dot-done { background: var(--color-secondary); }
.dot-undone { background: var(--text-light); }

/* ========================================
   模块5: 爆款拆解
   ======================================== */
.analysis-input-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.analysis-result {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.analysis-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 18px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.analysis-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.analysis-card-content {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.7;
  white-space: pre-wrap;
}

.analysis-card-content .analysis-tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  margin: 2px 4px 2px 0;
}

.generated-script {
  margin-top: 20px;
  padding: 20px;
  background: linear-gradient(135deg, #FFF8F0, #F5F0FF);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.generated-script-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.script-content {
  font-size: 13px;
  line-height: 2;
  color: var(--text-primary);
  white-space: pre-wrap;
  padding: 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

/* ========================================
   模块6: 素材知识库
   ======================================== */
.material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.material-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.material-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.material-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.material-content {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-height: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.material-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
  font-size: 11px;
  color: var(--text-light);
}

/* ========================================
   模块7: 每日计划
   ======================================== */
.plan-date-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.plan-progress {
  margin-bottom: 20px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #F0F5F0, #FFF5F5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 16px;
}

.progress-ring {
  position: relative;
  width: 56px;
  height: 56px;
}

.progress-ring svg { transform: rotate(-90deg); }

.progress-ring-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
}

.progress-info { flex: 1; }
.progress-label { font-size: 13px; color: var(--text-secondary); }
.progress-count { font-size: 20px; font-weight: 700; color: var(--text-primary); }

.plan-task-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan-task {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  cursor: pointer;
}

.plan-task:hover { box-shadow: var(--shadow-sm); border-color: var(--color-primary-light); }

.plan-task.completed { opacity: 0.6; }
.plan-task.completed .plan-task-title { text-decoration: line-through; }

.task-checkbox {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 14px;
  color: transparent;
}

.plan-task.completed .task-checkbox {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: white;
}

.plan-task-icon { font-size: 20px; flex-shrink: 0; }

.plan-task-content { flex: 1; }
.plan-task-title { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.plan-task-detail { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ===== 提示框 ===== */

/* ========================================
   热点采集区
   ======================================== */
.hot-topics-bar {
  margin-bottom: 16px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #FFF5F0, #FFF0F5);
  border: 1px solid var(--color-primary-light);
}

.hot-topics-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.hot-topics-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hot-topics-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.hot-topics-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

.hot-topics-actions {
  display: flex;
  gap: 8px;
}

.hot-topics-last-update {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 8px;
}

.hot-topics-last-update .status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 4px;
}

.status-dot.online { background: var(--color-secondary); }
.status-dot.offline { background: var(--text-light); }

/* 热点卡片 */
.hot-topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.hot-topic-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 16px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hot-topic-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.hot-topic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
}

.platform-douyin { background: #F0E0E4; color: #C44A5E; }
.platform-weixin { background: #D5E5D0; color: #5E8E4E; }
.platform-xiaohongshu { background: #F5D0D8; color: #C44A6E; }

.hot-topic-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.hot-topic-analysis {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hot-topic-analysis .analysis-label {
  display: inline-block;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.hot-topic-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  border-top: 1px solid var(--border-light);
}

.hot-topic-link {
  font-size: 12px;
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.hot-topic-link:hover { text-decoration: underline; }

.hot-topic-date {
  font-size: 11px;
  color: var(--text-light);
}

.hot-topic-loading {
  text-align: center;
  padding: 30px;
  color: var(--text-light);
}

.hot-topic-loading .loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 10px;
}

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

/* 分隔线 */
.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0 16px;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.section-divider-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0 8px;
}

/* ========================================
   模块: 内容复盘
   ======================================== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.review-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 18px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.review-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.review-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  gap: 8px;
}

.review-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  flex: 1;
}

.review-platform {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 12px;
  background: var(--bg-hover);
  color: var(--text-secondary);
  white-space: nowrap;
}

.review-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.review-metric {
  text-align: center;
  padding: 10px 6px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
}

.review-metric-label {
  font-size: 10px;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.review-metric-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.review-metric-extra {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.review-metric-item {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.review-metric-item .metric-num {
  font-weight: 600;
  color: var(--text-primary);
}

.review-traffic-source {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  padding: 8px 12px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  line-height: 1.6;
}

.review-traffic-source .source-label {
  font-weight: 600;
  color: var(--text-primary);
}

.review-diagnosis {
  margin-top: 12px;
  padding: 14px;
  background: linear-gradient(135deg, #FFF8F0, #F5F0FF);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-primary);
  white-space: pre-wrap;
}

.review-diagnosis .diagnosis-header {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.review-card-footer {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
}

.review-date {
  font-size: 11px;
  color: var(--text-light);
  margin-right: auto;
}

/* 指标输入区 */
.metric-input-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.metric-input-grid .form-group {
  margin-bottom: 0;
}

/* ===== 食谱设计模块 ===== */
.recipe-goal-bar {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  margin-bottom: 16px;
}

.recipe-ai-section {
  padding: 18px 20px;
  margin-top: 16px;
  border-left: 4px solid var(--color-primary);
}

.recipe-ai-section .ai-tip {
  background: #FFF8F5;
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 10px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.recipe-ai-section .ai-tip-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  font-size: 13px;
}

.recipe-ai-section .ai-tip.good { background: #F0F7F0; border-left: 3px solid #8EB4B4; }
.recipe-ai-section .ai-tip.warn { background: #FFF5F0; border-left: 3px solid #E8A0A0; }
.recipe-ai-section .ai-tip.info { background: #F5F0FA; border-left: 3px solid #A8A0C8; }

.recipe-ai-section .swap-suggestion {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-card);
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.recipe-ai-section .swap-arrow {
  color: var(--color-primary);
  font-weight: 600;
}

/* 导出弹窗样式 */
.export-modal-body {
  font-family: monospace;
  white-space: pre-wrap;
  font-size: 12px;
  line-height: 1.8;
  color: var(--text-primary);
  background: var(--bg-card);
  padding: 16px;
  border-radius: 10px;
  max-height: 400px;
  overflow-y: auto;
}

.export-format-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.export-tab {
  padding: 6px 16px;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-secondary);
  transition: all 0.2s;
}

.export-tab.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ========================================
   模块: 视频拍摄 — 文案二创
   ======================================== */
.shoot-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.shoot-tab {
  padding: 9px 24px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  user-select: none;
}

.shoot-tab:hover { border-color: var(--color-primary); }
.shoot-tab.active {
  background: var(--color-primary);
  color: var(--text-white);
  border-color: var(--color-primary);
}

.shoot-panel { display: none; }
.shoot-panel.active { display: block; }

.shoot-work-card {
  padding: 24px;
}

.shoot-work-card .form-group {
  margin-bottom: 18px;
}

.shoot-work-card .form-textarea {
  min-height: 120px;
  line-height: 1.9;
  font-size: 13px;
}

.shoot-work-card .shoot-final-text {
  background: linear-gradient(135deg, #FFFAF8, #F8FFF5);
  border-color: var(--color-primary-light);
  min-height: 180px;
}

.shoot-action-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
  margin-bottom: 18px;
}

.shoot-ai-btn {
  position: relative;
  font-size: 14px;
  padding: 9px 24px;
}

.shoot-ai-btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.shoot-ai-btn.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: 6px;
  vertical-align: middle;
}

.shoot-tip {
  font-size: 12px;
  color: var(--text-secondary);
}

.shoot-tip.success { color: var(--color-secondary); }
.shoot-tip.error { color: #D88989; }

.shoot-copy-btn {
  font-size: 14px;
}

.shoot-copy-btn.copied {
  background: var(--color-secondary);
  color: var(--text-white);
  border-color: var(--color-secondary);
}

.shoot-clear-btn {
  margin-left: auto;
}

/* ===== 提示框 ===== */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.toast.show { opacity: 1; }

/* ========================================
   模块: 工作台首页
   ======================================== */
.home-hero {
  text-align: center;
  padding: 48px 20px 40px;
  background: linear-gradient(135deg, #FFF8F5, #FDF5F8, #F5F8F5);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  margin-bottom: 32px;
}

.home-avatar {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--color-primary-light);
}

.home-nickname {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.home-motto {
  font-size: 15px;
  color: #D4A0AC;
  font-weight: 500;
  letter-spacing: 2px;
}

.home-section {
  margin-bottom: 32px;
}

.home-section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

/* ===== 今日待办卡片 ===== */
.home-todo-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.home-todo-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.home-todo-icon {
  font-size: 28px;
}

.home-todo-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.home-todo-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.home-todo-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: 24px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  background: #E8D0D6;
  color: #8C6A72;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.home-todo-btn:hover {
  background: #C4909B;
  color: #fff;
}

/* ===== 饮水打卡卡片 ===== */
.home-water-card {
  padding: 28px 28px 24px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.home-water-bar-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.home-water-bar {
  flex: 1;
  height: 16px;
  background: #EEF2F5;
  border-radius: 8px;
  overflow: hidden;
}

.home-water-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #A8C8E0, #8EB4D8);
  border-radius: 8px;
  transition: width 0.4s ease;
}

.home-water-count-text {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.home-water-count-text span {
  font-size: 18px;
  font-weight: 700;
  color: #8EB4D8;
}

.home-water-actions {
  display: flex;
  gap: 16px;
}

.home-water-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: 20px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.home-water-add {
  background: #D5E5D0;
  color: #6E8E5E;
}

.home-water-add:hover {
  background: #A8C4A2;
  color: #fff;
}

.home-water-reset {
  background: #E8D0D6;
  color: #8C6A72;
}

.home-water-reset:hover {
  background: #C4909B;
  color: #fff;
}

/* ===== 手机端汉堡菜单按钮 ===== */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 200;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  border-radius: 12px;
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: var(--transition);
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(60, 50, 45, 0.4);
  z-index: 99;
}

/* ===== 数据备份卡片 ===== */
.home-backup-card {
  padding: 24px 28px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.home-backup-hint {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
  padding: 12px 16px;
  background: #FFF8F5;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-primary-light);
  margin-bottom: 18px;
}

.home-backup-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.home-backup-btn {
  flex: 1;
  min-width: 200px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 24px;
  border-radius: 20px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.home-backup-btn.export {
  background: #D5E5D0;
  color: #6E8E5E;
}

.home-backup-btn.export:hover {
  background: #A8C4A2;
  color: #fff;
}

.home-backup-btn.import {
  background: #E8D0D6;
  color: #8C6A72;
}

.home-backup-btn.import:hover {
  background: #C4909B;
  color: #fff;
}

/* ===== 全局移动端自适应 ===== */
@media (max-width: 768px) {
  /* 隐藏 PC 侧边栏，改为抽屉 */
  .sidebar {
    transform: translateX(-100%);
    z-index: 150;
    box-shadow: var(--shadow-lg);
  }

  body.sidebar-open .sidebar {
    transform: translateX(0);
  }

  body.sidebar-open .mobile-overlay {
    display: block;
  }

  /* 显示汉堡菜单 */
  .mobile-menu-toggle {
    display: flex;
  }

  /* 主内容区铺满 */
  .main-content {
    margin-left: 0;
    padding-top: 56px;
  }

  .module-panel {
    padding: 16px 14px;
  }

  /* 顶部页头适配 */
  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .page-title {
    font-size: 18px;
  }

  /* 表单适配 */
  .form-row {
    flex-direction: column;
    gap: 8px;
  }

  .metric-input-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* 卡片/网格适配 */
  .topic-grid,
  .material-grid,
  .review-grid,
  .hot-topics-grid {
    grid-template-columns: 1fr;
  }

  .analysis-result {
    grid-template-columns: 1fr;
  }

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

  .recipe-total {
    flex-direction: column;
  }

  /* 食材替换计算器移动端适配 */
  .swap-result-card {
    padding: 16px;
  }

  .swap-result-header {
    gap: 10px;
  }

  .swap-food-name {
    font-size: 14px;
  }

  .swap-food-weight {
    font-size: 17px;
  }

  .swap-compare-col {
    font-size: 12px;
    padding: 8px 4px;
  }

  .swap-compare-header {
    font-size: 11px;
  }

  .custom-food-grid {
    grid-template-columns: 1fr;
  }

  .custom-food-item {
    padding: 10px 12px;
  }

  .macro-cards {
    grid-template-columns: repeat(3, 1fr);
  }

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

  /* 按钮增大触控区 */
  .btn {
    padding: 10px 18px;
    font-size: 13px;
  }

  .btn-sm {
    padding: 8px 14px;
    font-size: 12px;
  }

  .nav-item {
    padding: 14px 16px;
    font-size: 15px;
  }

  .nav-item .nav-icon {
    font-size: 20px;
  }

  /* 筛选栏适配 */
  .filter-bar {
    gap: 6px;
  }

  .filter-chip {
    padding: 7px 14px;
    font-size: 12px;
  }

  .search-box {
    max-width: 100%;
    width: 100%;
    margin-top: 4px;
  }

  /* 模态框适配 */
  .modal {
    max-width: 100%;
    max-height: 92vh;
    border-radius: 16px;
    margin: 0 8px;
  }

  .modal-header {
    padding: 16px 18px;
  }

  .modal-body {
    padding: 16px 18px;
  }

  .modal-footer {
    padding: 12px 18px;
    flex-wrap: wrap;
  }

  /* 视频拍摄标签适配 */
  .shoot-tabs {
    flex-wrap: wrap;
  }

  .calorie-tabs {
    flex-wrap: wrap;
  }

  .calorie-tab {
    flex: 1;
    text-align: center;
    padding: 8px 12px;
    font-size: 12px;
  }

  .shoot-tab {
    flex: 1;
    text-align: center;
    padding: 10px 16px;
  }

  .shoot-action-row {
    flex-wrap: wrap;
  }

  .shoot-work-card {
    padding: 16px;
  }

  /* 打卡模块适配 */
  .checkin-date-bar {
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 14px;
  }

  .meal-header {
    flex-wrap: wrap;
    gap: 6px;
  }

  .meal-item-row {
    flex-wrap: wrap;
  }

  .meal-item-row .weight-input {
    max-width: none;
    flex: 1;
  }

  .daily-total-bar {
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px 16px;
  }

  .total-value {
    font-size: 20px;
  }

  /* 食谱设计适配 */
  .recipe-goal-bar > div {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  /* 首页适配 */
  .home-hero {
    padding: 32px 16px 28px;
  margin-bottom: 24px;
  margin-top: 8px;
  border-radius: 20px;
  padding-top: 48px;
  padding-left: 16px;
  padding-right: 16px;
  text-align: center;
  }

  .home-avatar {
    width: 56px;
    height: 56px;
    font-size: 28px;
    margin-bottom: 12px;
  }

  .home-nickname {
    font-size: 22px;
    letter-spacing: 0.5px;
  }

  .home-motto {
    font-size: 13px;
  }

  .home-section {
    margin-bottom: 24px;
  }

  .home-todo-card {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 18px 20px;
  }

  .home-todo-btn {
    width: 100%;
    justify-content: center;
  }

  .home-water-card {
    padding: 20px 18px;
  }

  .home-water-bar-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .home-water-count-text {
    text-align: center;
  }

  .home-water-actions {
    flex-direction: column;
    gap: 10px;
  }

  .home-backup-card {
    padding: 18px 18px;
  }

  .home-backup-actions {
    flex-direction: column;
  }

  .home-backup-btn {
    min-width: 0;
    width: 100%;
  }

  /* 每日计划适配 */
  .plan-progress {
    flex-wrap: wrap;
  }

  /* 英语学习适配 */
  .english-textarea {
    min-height: 80px;
  }

  /* 提示框上移避免遮挡 */
  .toast {
    bottom: 60px;
  }
}

/* ===== 超小屏适配（SE等） ===== */
@media (max-width: 375px) {
  .page-title {
    font-size: 16px;
  }

  .macro-cards {
    grid-template-columns: 1fr;
  }

  .nutri-grid {
    grid-template-columns: 1fr 1fr;
  }

  .home-nickname {
    font-size: 19px;
  }

  .module-panel {
    padding: 12px 10px;
  }
}

/* ===== 安全区适配（刘海屏等） ===== */
@supports (padding: env(safe-area-inset-top)) {
  .sidebar {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }

  .mobile-menu-toggle {
    top: calc(10px + env(safe-area-inset-top));
  }

  .main-content {
    padding-top: calc(56px + env(safe-area-inset-top));
  }

  @media (max-width: 768px) {
    .main-content {
      padding-top: calc(56px + env(safe-area-inset-top));
    }
  }
}