/* ========== 中医AI系统 - 全局样式 ========== */
:root {
  --primary: #2D5A3D;
  --primary-light: #3A7A52;
  --primary-dark: #1E3D2A;
  --gold: #C5973E;
  --gold-light: #D4AD5C;
  --gold-dark: #A67C2E;
  --brown: #8B4513;
  --bg-warm: #F8F5EF;
  --bg-card: #FFFFFF;
  --bg-sidebar: #1A2E23;
  --text-primary: #2C2C2C;
  --text-secondary: #666666;
  --text-light: #999999;
  --border: #E8E0D4;
  --success: #52C41A;
  --warning: #FAAD14;
  --danger: #FF4D4F;
  --info: #1890FF;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background: var(--bg-warm);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold); }

/* ========== 布局 ========== */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 260px;
  background: var(--bg-sidebar);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  overflow-y: auto;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.sidebar-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
}

.sidebar-subtitle {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
}

.sidebar-nav { padding: 16px 0; flex: 1; }

.nav-group-label {
  padding: 8px 24px 4px;
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.nav-item.active {
  background: rgba(197,151,62,0.15);
  color: var(--gold-light);
  border-left-color: var(--gold);
}

.nav-item i { width: 20px; text-align: center; font-size: 16px; }

.main-content {
  margin-left: 260px;
  flex: 1;
  min-height: 100vh;
}

/* ========== 顶部导航 ========== */
.topbar {
  background: var(--bg-card);
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

.breadcrumb span:last-child { color: var(--text-primary); font-weight: 500; }
.breadcrumb i { font-size: 10px; color: var(--text-light); }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.topbar-icon:hover { background: var(--bg-warm); color: var(--primary); }

.topbar-icon .badge {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 8px;
  height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--bg-card);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

/* ========== 页面内容 ========== */
.page-content { padding: 24px 32px; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.page-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ========== 卡片 ========== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
}

.card-body { padding: 24px; }

/* ========== 统计卡片 ========== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.green { background: rgba(45,90,61,0.1); color: var(--primary); }
.stat-icon.gold { background: rgba(197,151,62,0.1); color: var(--gold); }
.stat-icon.blue { background: rgba(24,144,255,0.1); color: var(--info); }
.stat-icon.red { background: rgba(255,77,79,0.1); color: var(--danger); }
.stat-icon.purple { background: rgba(114,46,209,0.1); color: #722ED1; }

.stat-info { flex: 1; }
.stat-label { font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1.2; }
.stat-change { font-size: 12px; margin-top: 4px; }
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

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

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #fff;
}
.btn-gold:hover { opacity: 0.9; color: #fff; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }

.btn-lg { padding: 12px 32px; font-size: 16px; border-radius: 10px; }
.btn-sm { padding: 4px 12px; font-size: 12px; }

.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ========== 表格 ========== */
.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

th {
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-warm);
  white-space: nowrap;
}

tr:hover td { background: rgba(45,90,61,0.02); }

/* ========== 标签 ========== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.tag-green { background: rgba(82,196,26,0.1); color: #389E0D; }
.tag-gold { background: rgba(197,151,62,0.1); color: var(--gold-dark); }
.tag-blue { background: rgba(24,144,255,0.1); color: #096DD9; }
.tag-red { background: rgba(255,77,79,0.1); color: #CF1322; }
.tag-purple { background: rgba(114,46,209,0.1); color: #722ED1; }
.tag-gray { background: rgba(0,0,0,0.06); color: var(--text-secondary); }

/* ========== 表单 ========== */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  transition: var(--transition);
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(45,90,61,0.1);
}

select.form-input { cursor: pointer; }

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

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

/* ========== 进度条 ========== */
.progress-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s ease;
}

.progress-fill.green { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.progress-fill.gold { background: linear-gradient(90deg, var(--gold-dark), var(--gold)); }
.progress-fill.blue { background: linear-gradient(90deg, #096DD9, #1890FF); }
.progress-fill.red { background: linear-gradient(90deg, #CF1322, var(--danger)); }

/* ========== 网格布局 ========== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ========== 弹窗/模态框 ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-overlay.active .modal { transform: translateY(0); }

/* ========== 手机预览框 ========== */
.phone-frame {
  width: 375px;
  height: 780px;
  background: #000;
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  margin: 0 auto;
  position: relative;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 30px;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
}

.phone-notch {
  width: 150px;
  height: 28px;
  background: #000;
  border-radius: 0 0 20px 20px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

/* ========== 动画 ========== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

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

.fade-in { animation: fadeIn 0.5s ease forwards; }
.slide-in { animation: slideInLeft 0.4s ease forwards; }

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .page-content { padding: 16px; }
  .stat-grid { grid-template-columns: 1fr; }
}

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

.empty-state i { font-size: 48px; margin-bottom: 16px; color: var(--border); }
.empty-state p { font-size: 14px; }

/* ========== 头像列表 ========== */
.avatar-stack {
  display: flex;
}

.avatar-stack .avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid #fff;
  margin-left: -8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.avatar-stack .avatar:first-child { margin-left: 0; }

/* ========== 搜索框 ========== */
.search-box {
  position: relative;
  max-width: 320px;
}

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

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
}

.search-box i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 14px;
}

/* ========== 时间线 ========== */
.timeline { position: relative; padding-left: 24px; }

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

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

.timeline-dot {
  position: absolute;
  left: -20px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
}

/* ========== Tab切换 ========== */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 24px;
}

.tab {
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}

.tab:hover { color: var(--primary); }

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ========== 工具提示 ========== */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 10px;
  background: var(--text-primary);
  color: #fff;
  font-size: 12px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.tooltip:hover::after { opacity: 1; }

/* ========== 知识图谱节点 ========== */
.kg-node {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.kg-node:hover { transform: scale(1.05); }
.kg-symptom { background: #E6F7FF; color: #096DD9; border: 1px solid #91D5FF; }
.kg-syndrome { background: #FFF7E6; color: #D46B08; border: 1px solid #FFD591; }
.kg-herb { background: #F6FFED; color: #389E0D; border: 1px solid #B7EB8F; }
.kg-formula { background: #F9F0FF; color: #722ED1; border: 1px solid #D3ADF7; }

/* ========== 置信度条 ========== */
.confidence-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.confidence-bar .label { min-width: 100px; font-size: 14px; }

.confidence-bar .bar {
  flex: 1;
  height: 24px;
  background: var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.confidence-bar .fill {
  height: 100%;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  transition: width 1s ease;
}

.confidence-bar .fill.high { background: linear-gradient(90deg, #389E0D, #52C41A); }
.confidence-bar .fill.medium { background: linear-gradient(90deg, #D46B08, #FAAD14); }
.confidence-bar .fill.low { background: linear-gradient(90deg, #CF1322, #FF4D4F); }

/* ========== 雷达图容器 ========== */
.chart-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

/* ========== Landing Page ========== */
.landing-hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1a472a 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.landing-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content { position: relative; z-index: 1; max-width: 800px; padding: 40px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(197,151,62,0.2);
  border: 1px solid rgba(197,151,62,0.3);
  border-radius: 20px;
  font-size: 13px;
  color: var(--gold-light);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-btn {
  padding: 14px 36px;
  border-radius: 28px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.hero-btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #fff;
}

.hero-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(197,151,62,0.4); color: #fff; }

.hero-btn-outline {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}

.hero-btn-outline:hover { background: rgba(255,255,255,0.2); color: #fff; }

/* Landing 功能区 */
.landing-section {
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(45,90,61,0.08);
  color: var(--primary);
  border-radius: 16px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 12px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* Product Compare */
.product-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.product-card.hospital { border-top: 4px solid var(--primary); }
.product-card.wellness { border-top: 4px solid var(--gold); }

.product-card-header {
  padding: 32px;
}

.product-card-header h2 { font-size: 24px; margin-bottom: 8px; }
.product-card-header p { color: var(--text-secondary); font-size: 14px; }

.product-features {
  padding: 0 32px 32px;
}

.product-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-secondary);
  list-style: none;
}

.product-features li i {
  color: var(--success);
  margin-top: 3px;
}

.product-card-footer {
  padding: 20px 32px;
  background: var(--bg-warm);
  text-align: center;
}

/* ========== Login Page ========== */
.login-container {
  min-height: 100vh;
  display: flex;
}

.login-left {
  flex: 1;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  position: relative;
  overflow: hidden;
}

.login-right {
  width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: var(--bg-card);
}

.login-form { width: 100%; max-width: 360px; }

.login-form h2 { font-size: 24px; margin-bottom: 8px; }
.login-form p { color: var(--text-secondary); margin-bottom: 32px; }

/* ========== 舌诊标注 ========== */
.tongue-canvas-container {
  position: relative;
  display: inline-block;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tongue-toolbar {
  display: flex;
  gap: 8px;
  padding: 12px;
  background: var(--bg-warm);
  border-radius: var(--radius);
}

.tongue-tool {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.tongue-tool.active, .tongue-tool:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #aaa; }

/* ========== 步骤条 ========== */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 40px;
}

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

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
}

.step.active .step-number {
  background: var(--primary);
  color: #fff;
}

.step.done .step-number {
  background: var(--success);
  color: #fff;
}

.step-label {
  font-size: 14px;
  color: var(--text-light);
}

.step.active .step-label { color: var(--primary); font-weight: 500; }
.step.done .step-label { color: var(--success); }

.step-line {
  width: 60px;
  height: 2px;
  background: var(--border);
  margin: 0 8px;
}

.step-line.done { background: var(--success); }

/* ========== Loading / Skeleton ========== */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========== 分页 ========== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 20px;
}

.pagination .page {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
  background: #fff;
}

.pagination .page:hover { border-color: var(--primary); color: var(--primary); }
.pagination .page.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========== 开关 ========== */
.switch {
  width: 44px;
  height: 24px;
  background: var(--border);
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.switch.on { background: var(--primary); }

.switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.switch.on::after { left: 22px; }

/* ========== 日历网格 ========== */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-cell {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.calendar-cell:hover { background: rgba(45,90,61,0.05); }
.calendar-cell.today { background: rgba(45,90,61,0.1); font-weight: 600; }
.calendar-cell.has-event::after {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  position: absolute;
  bottom: 4px;
}

/* ========== 对话气泡 ========== */
.chat-bubble {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 12px;
}

.chat-bubble.ai {
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  margin-right: auto;
}

.chat-bubble.user {
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
  margin-left: auto;
}