/* ============================================
   Plant Assistant - 样式表
   跟随系统明暗主题 + 侧边栏 + 卡片式布局
   ============================================ */

/* --- CSS 变量（亮色主题） --- */
:root {
  --sidebar-width: 240px;
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-border: #e8eaed;
  --color-text: #1a1a2e;
  --color-text-secondary: #6b7280;
  --color-primary: #2e7d32;
  --color-primary-light: #e8f5e9;
  --color-accent: #43a047;
  --color-tag-bg: #e8f5e9;
  --color-tag-text: #2e7d32;
  --color-sidebar-bg: #1b5e20;
  --color-sidebar-text: #e8f5e9;
  --color-sidebar-hover: #2e7d32;
  --radius: 12px;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.12);
  --color-difficulty-easy: #4caf50;
  --color-difficulty-medium: #ff9800;
  --color-difficulty-hard: #f44336;
  --transition: 0.2s ease;
}

/* --- 暗色主题 --- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a2e;
    --color-surface: #252540;
    --color-border: #3a3a55;
    --color-text: #e4e4ec;
    --color-text-secondary: #9ca3af;
    --color-primary: #66bb6a;
    --color-primary-light: #1b3a1b;
    --color-accent: #81c784;
    --color-tag-bg: #1b3a1b;
    --color-tag-text: #81c784;
    --color-sidebar-bg: #0d2818;
    --color-sidebar-text: #a5d6a7;
    --color-sidebar-hover: #1b4d1b;
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.4);
    --color-difficulty-easy: #66bb6a;
    --color-difficulty-medium: #ffb74d;
    --color-difficulty-hard: #ef5350;
  }
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  display: flex;
  min-height: 100vh;
  line-height: 1.6;
}

/* --- Remix Icon 通用样式 --- */
.nav-icon i {
  font-size: 1.15rem;
}

.meta-icon i {
  font-size: 0.95rem;
}

.detail-label i {
  font-size: 0.95rem;
  margin-right: 2px;
}

.sidebar-header .logo .logo-icon i {
  font-size: 1.5rem;
}

.back-btn i {
  font-size: 1rem;
  margin-right: 4px;
}

.difficulty-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: middle;
}
.difficulty-dot.easy { background: var(--color-difficulty-easy); }
.difficulty-dot.medium { background: var(--color-difficulty-medium); }
.difficulty-dot.hard { background: var(--color-difficulty-hard); }

/* --- 侧边栏 --- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-sidebar-bg);
  color: var(--color-sidebar-text);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-header {
  padding: 28px 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header .logo {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-header .logo .icon {
  font-size: 1.5rem;
}

.sidebar-header .subtitle {
  font-size: 0.75rem;
  opacity: 0.65;
  margin-top: 4px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
}

.nav-section {
  margin-bottom: 20px;
}

.nav-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.45;
  padding: 0 12px;
  margin-bottom: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
  color: inherit;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background: var(--color-sidebar-hover);
}

.nav-item.active {
  background: var(--color-sidebar-hover);
  font-weight: 600;
}

.nav-item .nav-icon {
  font-size: 1.1rem;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
  opacity: 0.7;
  line-height: 1.6;
}

/* --- 主内容区 --- */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 32px 40px;
  max-width: calc(100% - var(--sidebar-width));
  min-height: 100vh;
}

/* --- 页面标题 --- */
.page-header {
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
}

.page-header p {
  color: var(--color-text-secondary);
  margin-top: 6px;
  font-size: 0.95rem;
}

/* --- 统计条 --- */
.stats-bar {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 18px 24px;
  box-shadow: var(--shadow-card);
  flex: 1;
  min-width: 0;
}

.stat-card .stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-card .stat-label {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  margin-top: 2px;
}

/* --- 植物卡片网格 --- */
.plant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.plant-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
  border: 1px solid var(--color-border);
}

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

.plant-card .plant-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.plant-card .plant-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.plant-card .tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 500;
}

.plant-card .plant-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.plant-card .plant-meta .meta-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.plant-card .plant-meta .meta-icon {
  font-size: 0.9rem;
}

.plant-card .plant-notes {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- 空状态 --- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-secondary);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 0.95rem;
}

/* --- 加载状态 --- */
.loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-secondary);
}

.loading .spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* --- 百科详情网格 --- */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.detail-card {
  background: var(--color-surface);
  border-radius: 8px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
}

.detail-card .detail-label {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
  font-weight: 500;
}

.detail-card .detail-value {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.5;
}

/* --- 天气组件 --- */
.weather-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 28px;
}

.weather-loading {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.weather-loading i {
  animation: spin 0.8s linear infinite;
}

.weather-error {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  font-size: 0.88rem;
}

.weather-error i {
  font-size: 1.2rem;
  color: var(--color-difficulty-medium);
}

.weather-main {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.weather-icon {
  font-size: 2rem;
  color: var(--color-primary);
}

.weather-temp {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.weather-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  align-self: flex-end;
  padding-bottom: 4px;
}

.weather-details {
  display: flex;
  gap: 24px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}

.weather-detail {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.weather-detail i {
  font-size: 1rem;
  color: var(--color-primary);
}

.weather-advice {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.weather-advice-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--color-primary-light);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--color-text);
}

.weather-advice-item i {
  font-size: 0.95rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* --- 导出页 --- */
.export-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.export-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition);
}

.export-card:hover {
  border-color: var(--color-primary);
}

.export-icon {
  font-size: 2.2rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

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

.export-info h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.export-info p {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.export-info ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.export-info ul li {
  font-size: 0.76rem;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  padding: 2px 8px;
  border-radius: 4px;
}

.export-btn {
  flex-shrink: 0;
  white-space: nowrap;
}

.export-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--color-primary-light);
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.export-note i {
  font-size: 1rem;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 1px;
}

/* --- 使用说明（折叠面板） --- */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color var(--transition);
}

.accordion-item:hover {
  border-color: var(--color-primary);
}

.accordion-header {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.accordion-header:hover {
  background: var(--color-bg);
}

.accordion-icon {
  font-size: 1.15rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.accordion-title {
  flex: 1;
}

.accordion-arrow {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  transition: transform 0.25s ease;
}

.accordion-item.open .accordion-arrow {
  transform: rotate(180deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-item.open .accordion-body {
  max-height: 600px;
}

.accordion-content {
  padding: 0 20px 18px 48px;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.accordion-content p {
  margin-bottom: 8px;
}

.accordion-content ul {
  margin: 0;
  padding-left: 18px;
}

.accordion-content li {
  margin-bottom: 4px;
}

.help-key {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 500;
}

/* --- 更新日志（时间线） --- */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline-item {
  position: relative;
  padding-bottom: 24px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 18px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
  border: 2px solid var(--color-surface);
  z-index: 1;
}

.timeline-dot.latest {
  background: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.timeline-line {
  position: absolute;
  left: -27px;
  top: 30px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px 20px;
}

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

.timeline-version {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  font-family: "SF Mono", "Fira Code", monospace;
}

.timeline-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.timeline-date {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.timeline-list {
  margin: 0;
  padding-left: 18px;
  font-size: 0.87rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  list-style: disc;
}

.timeline-list li {
  margin-bottom: 2px;
}

/* --- 首页双栏 + 日期卡片 --- */
.home-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.home-grid-item {
  margin-bottom: 0;
}

.date-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.date-today {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}

.date-visit {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* --- 备份提醒条 --- */
.backup-reminder {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--color-text);
}

.backup-reminder-text {
  display: flex;
  align-items: center;
  gap: 8px;
}

.backup-reminder-text i {
  color: var(--color-primary);
  font-size: 1.05rem;
}

.backup-reminder-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* --- 导出状态 --- */
.export-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
}

.export-status-ok {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.export-status-ok i {
  font-size: 0.9rem;
}

.export-status-warn {
  background: rgba(255, 152, 0, 0.1);
  color: var(--color-difficulty-medium);
}

.export-status-warn i {
  font-size: 0.9rem;
}

/* --- 本地存储信息 --- */
.storage-info {
  margin-top: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.storage-info-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--color-bg);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-text);
}

.storage-info-body {
  padding: 14px 20px;
}

.storage-info-body p {
  font-size: 0.83rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.storage-bar-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 14px 0;
}

.storage-bar {
  flex: 1;
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.storage-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 4px;
  transition: width 0.5s ease;
  min-width: 2px;
}

.storage-text {
  font-size: 0.82rem;
  color: var(--color-text);
  font-weight: 600;
  white-space: nowrap;
  font-family: "SF Mono", "Fira Code", monospace;
}

.storage-note {
  font-size: 0.78rem !important;
  color: var(--color-text-secondary);
  margin-top: 4px !important;
  margin-bottom: 0 !important;
}

/* --- 危险区域 --- */
.danger-zone {
  margin-top: 28px;
  border: 2px solid var(--color-difficulty-hard);
  border-radius: var(--radius);
  overflow: hidden;
}

.danger-zone-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(244, 67, 54, 0.08);
  color: var(--color-difficulty-hard);
  font-weight: 700;
  font-size: 0.9rem;
}

.danger-zone-body {
  padding: 16px 20px;
}

.danger-zone-body p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  line-height: 1.6;
}

.danger-confirm {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.danger-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text);
  cursor: pointer;
}

.danger-checkbox input {
  width: 16px;
  height: 16px;
  accent-color: var(--color-difficulty-hard);
  cursor: pointer;
}

.btn-danger {
  background: var(--color-difficulty-hard);
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s;
  align-self: flex-start;
}

.btn-danger:hover:not(:disabled) {
  opacity: 0.85;
}

/* --- 响应式补充 --- */
.text-danger { color: var(--color-difficulty-hard); }
.text-primary { color: var(--color-primary); }

/* --- 养护记录页 --- */
.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.quick-action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 2px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.quick-action-btn:hover {
  border-color: var(--action-color, var(--color-primary));
  background: color-mix(in srgb, var(--action-color, var(--color-primary)) 8%, var(--color-surface));
  transform: translateY(-1px);
}

.quick-action-btn i {
  font-size: 1.2rem;
  color: var(--action-color, var(--color-primary));
}

/* --- 记录表单 --- */
.record-form {
  margin-bottom: 28px;
  animation: slideDown 0.25s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.record-form-inner {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.form-row {
  display: flex;
  align-items: center;
  margin-bottom: 14px;
}

.form-row:last-of-type {
  margin-bottom: 18px;
}

.form-row label {
  width: 50px;
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.form-row select,
.form-row input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border var(--transition);
}

.form-row select:focus,
.form-row input:focus {
  border-color: var(--color-primary);
}

.form-row input[readonly] {
  opacity: 0.8;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.btn {
  padding: 8px 20px;
  border: none;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition);
}

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

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

.btn-save {
  background: var(--color-primary);
  color: #fff;
}

.btn-save:hover {
  background: var(--color-accent);
}

/* --- 历史记录区域 --- */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.section-count {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

/* --- 记录条目 --- */
.record-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  margin-bottom: 8px;
  transition: border-color var(--transition);
}

.record-item:hover {
  border-color: var(--color-primary);
}

.record-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.15rem;
}

.record-body {
  flex: 1;
  min-width: 0;
}

.record-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.record-plant {
  font-weight: 600;
  color: var(--color-text);
}

.record-type {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 1px 8px;
  border-radius: 10px;
  background: var(--color-bg);
}

.record-notes {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.record-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.record-time {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.record-delete {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  font-size: 1rem;
  opacity: 0;
  transition: opacity var(--transition), color var(--transition);
}

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

.record-delete:hover {
  color: var(--color-difficulty-hard);
}

/* --- 首页今日提醒 --- */
.today-reminders {
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  margin-bottom: 28px;
  overflow: hidden;
}

.today-reminders-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: var(--color-primary-light);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary);
}

.today-badge {
  margin-left: auto;
  background: var(--color-difficulty-hard);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

.today-reminders-list {
  padding: 4px 0;
}

.today-reminder-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.88rem;
}

.today-reminder-item:last-child {
  border-bottom: none;
}

.today-reminder-item.overdue {
  background: rgba(244, 67, 54, 0.06);
}

.today-reminder-plant {
  font-weight: 600;
  color: var(--color-text);
}

.today-reminder-type {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  padding: 1px 8px;
  background: var(--color-bg);
  border-radius: 8px;
}

.today-reminder-date {
  margin-left: auto;
  font-size: 0.78rem;
  color: var(--color-difficulty-hard);
  font-weight: 500;
}

.today-reminder-done {
  background: var(--color-primary);
  color: #fff;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: background var(--transition);
}

.today-reminder-done:hover {
  background: var(--color-accent);
}

/* --- 提醒列表 --- */
.add-reminder-btn {
  width: auto;
}

.reminder-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid transparent;
  border-radius: 8px;
  margin-bottom: 8px;
  transition: border-color var(--transition);
}

.reminder-item.overdue {
  border-left-color: var(--color-difficulty-hard);
}

.reminder-item.today {
  border-left-color: var(--color-primary);
}

.reminder-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.reminder-plant {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
}

.reminder-type {
  font-size: 0.76rem;
  color: var(--color-text-secondary);
  padding: 1px 8px;
  background: var(--color-bg);
  border-radius: 8px;
}

.reminder-repeat {
  font-size: 0.74rem;
  color: var(--color-primary);
}
.reminder-repeat i {
  font-size: 0.8rem;
}

.reminder-note-text {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 160px;
}

.reminder-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.reminder-date {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.reminder-done,
.reminder-delete {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  font-size: 1rem;
  transition: color var(--transition);
}

.reminder-done {
  color: var(--color-primary);
}

.reminder-done:hover {
  color: var(--color-accent);
}

.reminder-delete {
  color: var(--color-text-secondary);
}

.reminder-delete:hover {
  color: var(--color-difficulty-hard);
}

/* --- 响应式：小屏幕 --- */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }
  .sidebar-header .logo span,
  .sidebar-header .subtitle,
  .nav-item span:not(.nav-icon),
  .nav-section-title,
  .sidebar-footer {
    display: none;
  }
  .sidebar-header {
    padding: 20px 12px;
  }
  .nav-item {
    justify-content: center;
    padding: 10px;
  }
  .main-content {
    margin-left: 60px;
    padding: 20px 16px;
    max-width: calc(100% - 60px);
  }
  .stats-bar {
    flex-direction: column;
  }
  .plant-grid {
    grid-template-columns: 1fr;
  }
  .home-grid {
    grid-template-columns: 1fr;
  }
  .backup-reminder {
    flex-direction: column;
    align-items: flex-start;
  }
  .export-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .export-btn {
    align-self: stretch;
  }
}