* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  /* 主色 - 主按钮、主要强调 */
  --primary: #2196f3;
  --primary-hover: #1976d2;
  --primary-light: #e3f2fd;
  
  /* 辅助色 - 次要强调 */
  --secondary: #9c27b0;
  --secondary-hover: #7b1fa2;
  --secondary-light: #f3e5f5;
  
  /* 成功色 */
  --success: #4caf50;
  --success-hover: #388e3c;
  --success-light: #e8f5e9;
  
  /* 警告色 */
  --warning: #ff9800;
  --warning-hover: #f57c00;
  --warning-light: #fff3e0;
  
  /* 错误色 */
  --error: #f44336;
  --error-hover: #d32f2f;
  --error-light: #ffebee;

  /* 毛玻璃 */
  --glass-bg: rgba(255, 255, 255, 0.92);
  --glass-blur: blur(10px);
  
  /* 信息色 */
  --info: #00bcd4;
  --info-hover: #0097a7;
  --info-light: #e0f7fa;
  
  /* 背景色 - 从浅到深 */
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eeeeee;
  --bg-elevated: #ffffff;
  
  /* 文字色 - 从主到次 */
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-muted: #999999;
  --text-inverse: #ffffff;
  --text-link: #2196f3;
  
  /* 边框色 */
  --border-color: #e0e0e0;
  --border-color-strong: #cccccc;
  --border-color-focus: #2196f3;
  
  /* 卡片色 */
  --card-bg: #ffffff;
  --card-header-bg: #fafafa;
  --card-border: #e0e0e0;
  
  /* 输入色 */
  --input-bg: #ffffff;
  --input-border: #e0e0e0;
  --input-placeholder: #999999;
  
  /* 特殊区域 */
  --distance-bg: #e3f2fd;
  --distance-color: #1976d2;
  --distance-border: #90caf9;
  --live-info-bg: #e8f5e9;
  --live-info-color: #4caf50;
  --live-info-border: #a5d6a7;
  
  /* 地图 */
  --map-bg: #e0e0e0;
  --leaflet-bg: #ffffff;
  
  /* 头部 */
  --header-bg: #1976d2;
  --header-text: #ffffff;
  
  /* 图标 */
  --icon-color: #666666;
  
  /* 阴影 */
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  
  /* 过渡 */
  --transition-fast: 150ms;
  --transition-normal: 250ms;
  --transition-slow: 350ms;
}

[data-theme="dark"] {
  /* 主色 */
  --primary: #64b5f6;
  --primary-hover: #42a5f5;
  --primary-light: #1a237e;
  
  /* 辅助色 */
  --secondary: #ba68c8;
  --secondary-hover: #ab47bc;
  --secondary-light: #311b92;
  
  /* 成功色 */
  --success: #81c784;
  --success-hover: #66bb6a;
  --success-light: #1b5e20;
  
  /* 警告色 */
  --warning: #ffb74d;
  --warning-hover: #ffa726;
  --warning-light: #4e342e;
  
  /* 错误色 */
  --error: #ef5350;
  --error-hover: #e53935;
  --error-light: #b71c1c;
  
  /* 信息色 */
  --info: #4dd0e1;
  --info-hover: #26c6da;
  --info-light: #006064;
  
  /* 背景色 */
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-tertiary: #2d2d2d;
  --bg-elevated: #252525;
  
  /* 文字色 */
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #808080;
  --text-inverse: #121212;
  --text-link: #64b5f6;
  
  /* 边框色 */
  --border-color: #333333;
  --border-color-strong: #444444;
  --border-color-focus: #64b5f6;
  
  /* 卡片色 */
  --card-bg: #1e1e1e;
  --card-header-bg: #252525;
  
  /* 输入色 */
  --input-bg: #2d2d2d;
  --input-border: #444444;
  --input-placeholder: #666666;
  
  /* 特殊区域 */
  --distance-bg: #1a237e;
  --distance-color: #90caf9;
  --distance-border: #5c6bc0;
  --live-info-bg: #1b5e20;
  --live-info-color: #81c784;
  --live-info-border: #2e7d32;
  
  /* 地图 */
  --map-bg: #0d0d0d;
  --leaflet-bg: #1e1e1e;
  
  /* 头部 */
  --header-bg: #1565c0;
  --header-text: #ffffff;
  
  /* 图标 */
  --icon-color: #b0b0b0;
  
  /* 阴影 */
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#app {
  display: flex;
  height: 100vh;
  height: 100dvh;
  position: relative;
}

.sidebar {
  width: 280px;
  min-width: 280px;
  height: 100vh;
  height: 100dvh;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transition: width 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 20px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] .sidebar {
  background: rgba(30, 30, 35, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

@media screen and (min-width: 769px) {
  .sidebar.collapsed {
    width: 60px;
    min-width: 60px;
  }

  .sidebar.collapsed .card {
    display: none !important;
  }

  .sidebar.collapsed .sidebar-header {
    padding: 8px;
    flex-wrap: wrap;
  }

  .sidebar.collapsed .sidebar-header h1,
  .sidebar.collapsed .theme-selector,
  .sidebar.collapsed .service-status {
    display: none;
  }
  
  .sidebar.collapsed .logo-container {
    margin: 0 auto;
  }
  
  .mobile-tabs {
    display: none;
  }
  
  .sidebar-toggle {
    display: none;
  }
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--header-bg);
  margin: 0;
  position: sticky;
  top: 0;
  z-index: 20;
  flex-shrink: 0;
}

.logo-container {
  display: flex;
  align-items: center;
}

.logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.sidebar-header h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--header-text);
  flex: 1;
}

.theme-selector {
  display: flex;
  gap: 6px;
  margin-left: auto;
  padding-right: 4px;
}

.theme-selector-btn {
  width: 22px;
  height: 22px;
  border: 2px solid #888;
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.theme-selector-btn.active {
  border-color: var(--text-inverse);
}

.theme-selector-btn[data-theme="light"] {
  background: linear-gradient(135deg, #fff 50%, #ccc 50%);
}

.theme-selector-btn[data-theme="dark"] {
  background: linear-gradient(135deg, #1a1a2e 50%, #333 50%);
}

.card {
  margin: 8px 10px;
  background: var(--card-bg);
  border-radius: 4px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.card.collapsed {
  margin: 8px 10px;
}

.card .card-body {
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
}

.card.collapsed .card-body {
  max-height: 0;
  opacity: 0;
}

.card:not(.collapsed) .card-body {
  max-height: 2000px;
  opacity: 1;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--card-header-bg);
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

.card-header:active {
  background: var(--bg-tertiary);
}

.card-icon {
  width: 16px;
  height: 16px;
  color: var(--primary);
  flex-shrink: 0;
}

.route-status {
  margin-left: auto;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 3px;
}

.collapse-icon {
  margin-left: auto;
  width: 12px;
  height: 12px;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.card.collapsed .collapse-icon {
  transform: rotate(-90deg);
}

.card.collapsed {
  margin: 6px 10px 4px 10px;
}

.card.collapsed .card-header {
  padding: 8px 12px;
}

.card-body {
  padding: 10px 12px;
  background: var(--card-bg);
  max-height: 2000px;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.card.collapsed .card-body {
  max-height: 0;
}

.styled-select {
  width: 100%;
  height: 32px;
  padding: 0 10px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--input-bg);
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236e6e73' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

.styled-select:focus {
  border-color: var(--primary);
}

/* 地图源选择器样式 - 参考选择题库组件 */
.map-source-picker {
  position: relative;
  user-select: none;
  margin-bottom: 8px;
}

.map-source-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.map-source-btn:hover {
  border-color: var(--primary);
  background: var(--bg-tertiary);
}

.map-source-btn .map-source-icon,
.shape-picker-btn .shape-picker-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--text-secondary);
}

.map-source-btn #mapSourceLabel {
  flex: 1;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
}

.map-source-btn .arrow,
.shape-picker-btn .arrow {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  color: var(--text-muted);
}

.map-source-picker.open .map-source-btn .arrow {
  transform: rotate(180deg);
}

.map-source-dropdown {
  position: fixed;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.96);
  transition: all 0.22s ease;
  max-height: 60vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  width: 260px;
  max-width: calc(100vw - 20px);
}

.map-source-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.map-source-group {
  border-bottom: 1px solid var(--border-color);
}

.map-source-group:last-child {
  border-bottom: none;
}

.map-source-group-title {
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.map-source-item {
  padding: 10px 12px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--bg-tertiary);
  transition: all var(--transition-fast);
}

.map-source-item:last-child {
  border-bottom: none;
}

.map-source-item:hover {
  background: var(--bg-tertiary);
  color: var(--primary);
}

.map-source-item.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

/* 形状选择器样式 */
.shape-picker {
  position: relative;
  user-select: none;
  margin-bottom: 12px;
}

.shape-picker-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.shape-picker-btn:hover {
  border-color: var(--primary);
  background: var(--bg-tertiary);
}

.shape-picker-btn .shape-picker-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.shape-picker-btn #shapeTypeLabel {
  flex: 1;
  text-align: left;
}

.shape-picker-btn .arrow {
  font-size: 10px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  color: var(--text-muted);
}

.shape-picker.open .shape-picker-btn .arrow {
  transform: rotate(180deg);
}

.shape-picker-dropdown {
  position: fixed;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.96);
  transition: all 0.22s ease;
  min-width: 180px;
  max-width: calc(100vw - 20px);
}

.shape-picker-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.shape-picker-item {
  padding: 10px 12px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  border-bottom: 1px solid var(--bg-tertiary);
}

.shape-picker-item:last-child {
  border-bottom: none;
}

.shape-picker-item:hover {
  background: var(--bg-tertiary);
  color: var(--primary);
}

.shape-picker-item.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.map-source-dropdown::-webkit-scrollbar {
  width: 6px;
}

.map-source-dropdown::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.map-source-dropdown::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

/* 深色主题适配 */
[data-theme="dark"] .map-source-btn {
  background: var(--input-bg);
  border-color: var(--border-color);
}

[data-theme="dark"] .map-source-btn:hover {
  border-color: var(--primary);
  background: var(--bg-tertiary);
}

[data-theme="dark"] .map-source-dropdown {
  background: var(--card-bg);
  border-color: var(--border-color);
}

[data-theme="dark"] .map-source-group-title {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

[data-theme="dark"] .map-source-item {
  border-bottom-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .map-source-item:hover {
  background: var(--bg-tertiary);
  color: var(--primary);
}

[data-theme="dark"] .map-source-item.active {
  background: var(--primary-light);
  color: var(--primary);
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
  .map-source-dropdown {
    max-height: 50vh;
    width: calc(100vw - 20px);
    max-width: 320px;
    z-index: 99999;
  }
  
  .map-source-item {
    padding: 12px;
    font-size: 13px;
  }
  
  .map-source-group-title {
    padding: 10px 12px;
    font-size: 12px;
  }
}

.tianditu-key-box {
  display: none;
  margin-bottom: 8px;
  flex-direction: column;
  gap: 6px;
}

.tianditu-key-box input {
  width: 100%;
  padding: 8px 10px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tianditu-key-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.tianditu-key-box input:focus {
  border-color: var(--primary);
  outline: none;
}

.key-link {
  font-size: 11px;
  color: var(--primary);
  text-decoration: none;
}

.key-link:hover {
  text-decoration: underline;
}

.search-box {
  display: flex;
  gap: 6px;
  margin-bottom: 6px;
  position: relative;
}

.search-input-wrapper {
  flex: 1;
  position: relative;
}

.search-box input {
  width: 100%;
  height: 32px;
  padding: 0 10px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

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

.search-suggestions {
  position: fixed;
  top: auto;
  left: auto;
  right: auto;
  width: 260px;
  max-height: 300px;
  overflow-y: auto;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  z-index: 9999;
  display: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.search-suggestions.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.search-suggestions::-webkit-scrollbar {
  width: 6px;
}

.search-suggestions::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.search-suggestions::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

.suggestion-item {
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text-primary);
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-fast);
}

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

.suggestion-item:hover,
.suggestion-item.highlighted {
  background: var(--bg-tertiary);
}

.suggestion-item .suggestion-name {
  font-weight: 500;
  margin-bottom: 2px;
}

.suggestion-item .suggestion-address {
  font-size: 11px;
  color: var(--text-muted);
}

.suggestion-no-results {
  padding: 10px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.search-result {
  font-size: 11px;
  min-height: 16px;
  color: var(--text-muted);
  padding: 3px 0;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--primary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
}

.btn-icon:hover {
  opacity: 0.9;
}

.mode-switch {
  display: flex;
  gap: 3px;
  background: var(--bg-tertiary);
  padding: 3px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.mode-btn {
  flex: 1;
  padding: 6px 6px;
  font-size: 12px;
  font-weight: 500;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.mode-btn:hover:not(.active) {
  color: var(--text-primary);
}

.shape-panel {
  padding-top: 8px;
  border-top: 1px dashed var(--border-color);
  margin-top: 8px;
}

.slider-control {
  margin-bottom: 8px;
}

.slider-control label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-weight: 500;
}

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

.slider-row input[type="range"] {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-tertiary);
  border-radius: 2px;
  outline: none;
}

.slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
}

.slider-row input[type="number"] {
  width: 60px;
  height: 32px;
  text-align: center;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 12px;
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.slider-row input[type="number"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.distance-display {
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--distance-color);
  padding: 1px 6px;
  background: var(--distance-bg);
  border-radius: 4px;
  margin-bottom: 4px;
  border: 1px solid var(--distance-border);
}

.route-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 8px;
}

.btn-secondary {
  padding: 6px 8px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: transform 0.1s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color-strong);
  color: var(--text-primary);
}

.btn-secondary:active {
  transform: scale(0.95);
}

.btn-accent {
  grid-column: span 2;
  padding: 6px 8px;
  font-size: 12px;
  font-weight: 600;
  border: none;
  background: var(--success);
  color: var(--text-inverse);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.btn-accent:hover {
  opacity: 0.9;
}

.btn-primary {
  width: 100%;
  padding: 8px;
  font-size: 12px;
  font-weight: 600;
  border: none;
  background: var(--primary);
  color: #ffffff;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-primary:active {
  transform: scale(0.97);
}

.saved-routes {
  max-height: 70px;
  overflow-y: auto;
  margin-bottom: 8px;
  padding: 6px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  border: 1px dashed var(--border-color);
  transition: max-height 0.3s ease;
}

.saved-routes::-webkit-scrollbar {
  width: 6px;
}

.saved-routes::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.saved-routes:empty::before {
  content: '暂无保存的路线';
  display: block;
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  padding: 6px;
}

.saved-route-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  background: var(--card-bg);
  border-radius: 3px;
  margin-bottom: 4px;
  font-size: 11px;
  border: 1px solid var(--border-color);
  animation: slideIn 0.3s ease;
}

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

.saved-route-item:last-child {
  margin-bottom: 0;
}

.saved-route-item .route-name {
  flex: 1;
  color: var(--primary);
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.saved-route-item .route-date {
  font-size: 10px;
  color: var(--text-muted);
}

.saved-route-item .route-delete-btn {
  padding: 3px 6px;
  font-size: 10px;
  border: none;
  background: var(--error-light);
  color: var(--error);
  border-radius: 3px;
  cursor: pointer;
}

.saved-route-item .route-delete-btn:hover {
  background: var(--error);
  color: white;
}

.lap-calc {
  padding-top: 8px;
  border-top: 1px dashed var(--border-color);
}

.lap-calc-label {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
}

.lap-calc-label > * {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.lap-calc-label .label-with-tooltip {
  gap: 3px;
}

.lap-calc-label .label-with-tooltip .help-icon {
  width: 11px;
  height: 11px;
}

.form-row-2 {
  display: flex;
  gap: 10px;
  margin-bottom: 6px;
}

.form-row-2 input {
  min-width: 80px;
  flex: 1;
  height: 32px;
  padding: 0 10px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  text-align: center;
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
}

.form-row-2 input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.form-row-2 input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--bg-tertiary);
}

.btn-small {
  width: 100%;
  padding: 6px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
}

.param-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}

.param-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.param-item label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.param-item input {
  width: 100%;
  min-width: 0;
  height: 32px;
  padding: 0 10px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  text-align: center;
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
  box-sizing: border-box;
}

.param-item input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.param-select {
  width: 100%;
  min-width: 0;
  height: 32px;
  padding: 0 8px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  text-align: center;
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  box-sizing: border-box;
}

.param-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.hr-toggle-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.mt-8 { margin-top: 8px; }

.diy-section {
  margin: 8px 0;
  padding: 8px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.diy-params {
  margin-top: 8px;
}

.diy-input {
  background: var(--card-bg) !important;
}

.diy-input:read-only {
  background: var(--bg-tertiary) !important;
  color: var(--text-muted);
}

.btn-compact {
  padding: 4px 12px;
  font-size: 12px;
  flex: none;
  margin-left: auto;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-primary);
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
}

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

.param-grid + .hr-toggle-row {
  margin-top: 4px;
}

.param-picker {
  position: relative;
}

.param-picker-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 100%;
  min-width: 0;
  height: 32px;
  padding: 0 10px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--input-bg);
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  text-align: center;
  justify-content: center;
  box-sizing: border-box;
}

.param-picker-btn:hover {
  border-color: var(--primary);
}

.param-picker-btn .arrow {
  transition: transform 0.2s;
  width: 10px;
  height: 10px;
  flex-shrink: 0;
}

.param-picker.open .param-picker-btn .arrow {
  transform: rotate(180deg);
}

.param-picker-dropdown {
  display: block;
  position: fixed;
  z-index: 99999;
  min-width: 140px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  padding: 4px;
  max-height: 280px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.96);
  transition: all 0.22s ease;
}

.param-picker-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.param-picker-item {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: 4px;
  white-space: nowrap;
  text-align: center;
}

.param-picker-item:last-child {
  border-bottom: none;
}

.param-picker-item:hover {
  background: var(--bg-tertiary);
}

.param-picker-item.active {
  background: var(--primary);
  color: white;
  font-weight: 500;
}

.export-count {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.export-count label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.export-count input {
  width: 72px;
  height: 32px;
  padding: 0 10px;
  text-align: center;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.export-count input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.export-times {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.export-options {
  margin-bottom: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-color);
}

.export-options .options-title {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0 0 8px 0;
  font-weight: 500;
}

.export-options .toggle-row {
  display: flex;
  align-items: center;
}

.export-options .checkbox-label {
  margin-left: 4px;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 16px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 2px solid var(--border-color-strong);
  border-radius: 3px;
  background: var(--input-bg);
  position: relative;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--primary);
  border-color: var(--primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.export-time-row {
  padding: 8px 10px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  margin-bottom: 8px;
}

.export-time-row:last-child {
  margin-bottom: 0;
}

.export-row-1 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.export-row-1 span {
  color: var(--text-muted);
  min-width: 40px;
  font-weight: 500;
}

.export-row-1 input {
  min-width: 100px;
  flex: 1;
  height: 32px;
  padding: 0 10px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.export-row-1 input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.export-row-2 {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pace-label {
  color: var(--text-muted);
  font-size: 12px;
  min-width: 30px;
}

.export-pace-min,
.export-pace-sec {
  width: 48px;
  height: 32px;
  text-align: center;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 12px;
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
}

.export-pace-min:focus,
.export-pace-sec:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.action-buttons {
  padding: 0 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
  margin-bottom: 10px;
}

.btn-location {
  padding: 10px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-primary);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-location:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary);
}

.btn-generate {
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  background: var(--primary);
  color: #ffffff;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-generate:hover {
  opacity: 0.9;
}

.btn-preview {
  padding: 8px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-primary);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-preview:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary);
}

.message {
  padding: 6px 10px;
  font-size: 11px;
  text-align: center;
  color: var(--text-muted);
  min-height: 28px;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.message.hiding {
  opacity: 0;
  transform: translateY(-10px);
}

.message.error {
  color: var(--error);
  font-weight: 500;
}

.preview-panel {
  padding: 0 10px;
  margin-bottom: 10px;
  display: none;
  flex-direction: column;
  gap: 8px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease, margin 0.3s ease;
}

.preview-panel.visible {
  display: flex;
  max-height: 500px;
  opacity: 1;
  padding: 10px 10px;
  margin-bottom: 10px;
}

.preview-chart {
  background: var(--card-bg);
  border-radius: 4px;
  padding: 10px;
  border: 1px solid var(--border-color);
}

.preview-chart h3 {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.preview-chart canvas {
  width: 100%;
  height: 60px;
}

.live-info {
  margin: 0 10px 10px;
  padding: 8px 10px;
  background: var(--success-light);
  border-radius: 4px;
  font-size: 11px;
  color: var(--success);
  text-align: center;
  border: 1px solid var(--success);
  font-weight: 500;
}

.map-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  z-index: 1;
}

#map {
  width: 100%;
  height: 100%;
  background: var(--map-bg);
}

.map-loading-mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s ease;
  pointer-events: none;
}

.map-loading-mask.active {
  opacity: 1;
  visibility: visible;
}

.map-loading-mask span {
  color: var(--text-primary);
  margin-top: 12px;
  font-size: 14px;
}

.map-loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--text-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.leaflet-popup-content-wrapper {
  background: var(--card-bg) !important;
  border-radius: 4px !important;
  border: 1px solid var(--border-color);
}

.leaflet-popup-tip {
  background: var(--card-bg) !important;
}

.dark .leaflet-popup-content,
[data-theme="dark"] .leaflet-popup-content {
  color: var(--text-primary);
}

.service-status {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  font-size: 11px;
  font-weight: 500;
  color: #fff;
}

.service-status:hover {
  background: rgba(255, 255, 255, 0.25);
}

.service-status.online {
  background: rgba(76, 175, 80, 0.25);
  border-color: rgba(76, 175, 80, 0.4);
}

.service-status.offline {
  background: rgba(244, 67, 54, 0.25);
  border-color: rgba(244, 67, 54, 0.4);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
}

.service-status.online .status-dot {
  background: var(--success);
}

.service-status.offline .status-dot {
  background: var(--error);
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  justify-content: center;
  align-items: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--card-bg);
  border-radius: 4px;
  width: 90%;
  max-width: 360px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.modal-small {
  max-width: 280px;
}

.generating-content {
  padding: 30px 20px;
  text-align: center;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--bg-tertiary);
  border-top-color: var(--secondary);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 1s linear infinite;
}

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

.generating-text {
  margin: 0 0 10px 0;
  font-size: 15px;
  color: var(--text-primary);
}

.switch-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  margin-bottom: 4px;
}

.switch-label input[type="checkbox"] {
  display: none;
}

.switch-slider {
  width: 40px;
  height: 20px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  position: relative;
  transition: background var(--transition-fast);
}

.switch-slider::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: transform var(--transition-fast);
}

.switch-label input[type="checkbox"]:checked + .switch-slider {
  background: var(--primary);
}

.switch-label input[type="checkbox"]:checked + .switch-slider::after {
  transform: translateX(20px);
}

.switch-text {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.switch-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 8px;
}

.switch-desc {
  margin: 0;
  font-size: 11px;
  color: var(--text-muted);
}

.toggle-group {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.toggle-group .toggle-row {
  display: flex;
  align-items: flex-start;
  margin-bottom: 8px;
}

.toggle-group .switch-label {
  flex-shrink: 0;
}

.toggle-grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}

.toggle-grid-2x2 .toggle-row {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.toggle-grid-2x2 .switch-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  flex-shrink: 0;
}

.toggle-grid-2x2 .switch-slider {
  width: 40px;
  height: 20px;
  flex-shrink: 0;
}

.toggle-grid-2x2 .switch-slider::after {
  width: 16px;
  height: 16px;
}

.toggle-grid-2x2 .switch-text {
  font-size: 12px;
  color: var(--text-primary);
}

.toggle-group .toggle-desc {
  margin: 0 0 0 8px;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 20px;
}

@media screen and (max-width: 768px) {
  .mobile-tabs {
    display: flex;
    width: 100%;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 4px 6px;
    gap: 3px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 15;
  }

  .mobile-tab {
    flex: 1;
    min-height: 36px;
    padding: 6px 4px;
    font-size: 12px;
    font-weight: 500;
    text-align: center;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .mobile-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
  }

  .mobile-tab.active {
    background: var(--primary);
    color: #ffffff;
    border-color: transparent;
  }

  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    background: var(--bg-tertiary);
    border-left: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
  }

  .sidebar-toggle:hover {
    background: var(--border-color);
  }

.toggle-icon {
  width: 14px;
  height: 14px;
  color: var(--text-secondary);
  transition: transform 0.2s;
}

  .sidebar.collapsed .toggle-icon {
    transform: rotate(180deg);
  }

  .card[data-tab-panel] {
    display: none;
    margin: 0;
    border-radius: 0;
    border: none;
    background: transparent;
    box-shadow: none;
  }

  .card[data-tab-panel].active-tab-panel .card-header {
    display: none;
  }

  .card[data-tab-panel].active-tab-panel .card-body {
    max-height: none;
    background: transparent;
    padding: 12px;
    overflow: visible;
  }

  #app {
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: visible;
    position: relative;
  }

  .map-container {
    flex: 1;
    position: relative;
    min-height: 200px;
    height: auto;
  }

  .sidebar {
    width: 100%;
    min-width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: visible;
    position: relative;
    z-index: 50;
    transition: all 0.3s ease;
    background: var(--card-bg);
    backdrop-filter: none;
    box-shadow: none;
  }

  .sidebar.collapsed {
    width: 100%;
    height: auto;
  }

  .sidebar.collapsed .sidebar-header {
    display: flex;
  }

  .sidebar .card[data-tab-panel] {
    max-height: 0;
    overflow: hidden;
    margin: 0;
    padding: 0;
    border: none;
    opacity: 0;
    transition: max-height 0.3s ease, margin 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
  }

  .sidebar .card[data-tab-panel].active-tab-panel {
    max-height: 60vh;
    display: block;
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 12px;
    background: var(--card-bg);
    opacity: 1;
  }

  .sidebar.collapsed .card[data-tab-panel] {
    max-height: 0 !important;
    padding: 0 !important;
    opacity: 0 !important;
  }

  .sidebar-header {
    padding: 6px 10px;
    flex-shrink: 0;
    background: var(--header-bg);
    position: relative;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .sidebar-header h1 {
    font-size: 13px;
    flex: 0 1 auto;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .service-status {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--header-text);
  }

  .sidebar .card {
    margin: 6px 8px;
    flex-shrink: 0;
  }

  .map-container {
    flex: 1;
    min-height: 200px;
    height: 50vh;
    position: relative;
  }

  #map {
    width: 100%;
    height: 100%;
  }

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

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

  .btn-accent {
    grid-column: span 2;
  }

  .action-buttons {
    position: static;
    background: var(--card-bg);
    padding: 12px;
    gap: 8px;
    flex-direction: row;
    flex-wrap: wrap;
    display: flex;
    margin-top: 16px;
    border-top: 1px solid var(--border-color);
  }

  .btn-location,
  .btn-generate,
  .btn-preview {
    flex: 1;
    min-width: calc(50% - 4px);
    padding: 12px 8px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .btn-generate {
    min-width: 100%;
    order: -1;
    background: var(--primary);
    color: #ffffff;
    border: none;
  }

  .btn-preview {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color-strong);
  }

  .live-info {
    margin: 0 8px 8px;
  }

  .distance-display {
    font-size: 18px;
    padding: 8px 6px;
  }

  .preview-chart canvas {
    height: 50px;
  }

  /* 修复移动端输入框超出屏幕 */
  .export-row-1 {
    flex-wrap: wrap;
  }

  .export-row-1 input[type="datetime-local"] {
    min-width: 0;
    width: 100%;
    flex: 1;
  }

  .export-row-2 {
    flex-wrap: wrap;
    gap: 4px;
  }

  .export-row-2 span {
    font-size: 10px;
  }

  .export-pace-min,
  .export-pace-sec {
    width: 50px;
  }

  .slider-row {
    flex-wrap: wrap;
  }

  .slider-row input[type="number"] {
    width: 60px;
  }

  .offset-row {
    flex-wrap: wrap;
  }

  .offset-row input {
    min-width: 0;
    flex: 1;
  }

  .form-row-2 {
    flex-wrap: wrap;
  }

  .form-row-2 input {
    min-width: 0;
  }

  /* 移动端搜索建议适配 */
  .search-suggestions {
    width: calc(100vw - 20px);
    max-width: 320px;
    max-height: 250px;
    z-index: 9999;
  }

  .search-box {
    position: relative;
    overflow: visible;
    z-index: 9998;
    display: flex;
  }

  .search-input-wrapper {
    position: relative;
    overflow: visible;
    z-index: 9998;
    flex: 1;
  }

  .sidebar .card {
    overflow: visible;
  }

  .suggestion-item {
    padding: 10px;
  }

  .suggestion-item .suggestion-name {
    font-size: 13px;
  }

  .suggestion-item .suggestion-address {
    font-size: 11px;
  }

  /* 移动端形状选择器适配 */
  .shape-picker-dropdown {
    max-width: calc(100vw - 24px);
  }

  /* 导出设置：份数与打包选项同行 */
  .export-top-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }
  .export-top-row .export-count {
    flex: 0 0 auto;
    margin-bottom: 0;
  }
  .export-top-row .export-options {
    flex: 1;
    margin-bottom: 0;
    padding-top: 0;
    border-top: none;
  }
  .export-top-row .export-options .options-title {
    display: none;
  }
  .export-top-row .switch-hint {
    display: none;
  }
  .export-top-row .export-options .toggle-row {
    margin-top: 2px;
    display: flex;
    align-items: center;
  }
  .export-top-row .switch-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
  }
}

@media screen and (max-width: 480px) {
  .sidebar {
    max-height: 45vh;
  }

  .sidebar-header {
  padding: 2px 8px;
  }

  .sidebar-header h1 {
    font-size: 13px;
  }

  .sidebar .card {
    margin: 4px 6px;
  }

  .card-header {
    padding: 8px 10px;
    font-size: 12px;
  }

  .card-body {
    padding: 8px 10px;
  }

  .param-grid {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .route-actions {
    grid-template-columns: 1fr 1fr;
    gap: 4px;
  }

  .btn-secondary {
    padding: 5px 6px;
    font-size: 10px;
  }

  .btn-accent {
    padding: 5px 6px;
    font-size: 10px;
  }

  .action-buttons {
    padding: 6px 10px;
    gap: 6px;
  }

  .btn-location,
  .btn-preview {
    padding: 10px 6px;
    font-size: 12px;
    font-weight: 600;
    min-width: calc(50% - 3px);
  }

  .btn-generate {
    padding: 12px 6px;
    font-size: 13px;
    font-weight: 700;
    min-width: 100%;
    order: -1;
  }

  /* 超小屏幕按钮文字换行处理 */
  .btn-location,
  .btn-generate,
  .btn-preview {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .export-time-row {
    padding: 6px 8px;
  }
}

@media screen and (max-height: 500px) and (orientation: landscape) {
  .sidebar {
    max-height: 45vh;
  }

  #map {
    min-height: 55vh;
  }

  .param-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 6px;
  }

  .route-actions {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 4px;
  }

  .btn-accent {
    grid-column: span 1;
  }
}

@media screen and (min-width: 1200px) {
  .sidebar {
    width: 300px;
    min-width: 300px;
  }

  .card {
    margin: 10px 12px;
  }

  .card-header {
    padding: 12px 14px;
    font-size: 13px;
  }

  .card-body {
    padding: 12px 14px;
  }

  .distance-display {
    font-size: 24px;
    padding: 12px 10px;
  }

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

/* ZIP打包开关样式 */
#zipPackLabel.auto-enabled {
  opacity: 0.7;
}

#zipPackLabel.auto-enabled .checkbox-custom {
  background: var(--primary);
  border-color: var(--primary);
}

#zipPackLabel.auto-enabled .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

#zipPackToggle:disabled + .checkbox-custom {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 首次使用提示弹窗样式 */
.first-use-modal {
  max-width: 360px;
}

.first-use-header {
  text-align: center;
  padding: 24px 20px 16px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
}

.first-use-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
}

.first-use-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.first-use-body {
  padding: 20px;
}

.first-use-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.first-use-item:last-child {
  margin-bottom: 0;
}

.first-use-num {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
}

.first-use-text {
  flex: 1;
}

.first-use-text strong {
  display: block;
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.first-use-text p {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.first-use-footer {
  padding: 16px 20px 20px;
  text-align: center;
}

.first-use-footer .btn-primary {
  width: 100%;
}

/* 弹窗支持作者区域 */
.first-use-support {
  margin-top: 16px;
  padding-top: 12px;
}

.support-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

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

.support-qr-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.support-qr {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  object-fit: cover;
}

.support-text {
  flex: 1;
}

.support-text p {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
}

.support-video-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px;
  border-radius: 6px;
  background: var(--bg-tertiary);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s;
}

.support-video-link:hover {
  background: var(--primary-light);
}

/* 帮助图标与气泡提示 */
.label-with-tooltip {
  display: flex;
  align-items: center;
  gap: 4px;
}

.tooltip-container {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.help-icon {
  width: 14px;
  height: 14px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s;
  color: var(--text-muted);
  flex-shrink: 0;
}

.help-icon:hover {
  opacity: 1;
  color: var(--primary);
}

.tooltip-box {
  position: fixed;
  padding: 8px 12px;
  background: var(--text-primary);
  color: var(--card-bg);
  font-size: 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
  z-index: 99999;
  line-height: 1.6;
  pointer-events: none;
  max-width: 260px;
  white-space: normal;
  text-align: left;
}

.tooltip-box.visible {
  opacity: 1;
  visibility: visible;
}

.param-item .label-with-tooltip label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.param-item .label-with-tooltip .help-icon {
  width: 12px;
  height: 12px;
}

/* 导出面板中的帮助图标对齐 */
.export-options .toggle-row .tooltip-container {
  margin-left: 4px;
}

/* 页面加载遮罩 */
.page-loading-mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-loading-mask.hidden {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease-out;
}

.page-loading-content {
  text-align: center;
  color: #fff;
}

.page-loading-content .loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

.page-loading-content p {
  font-size: 16px;
  margin: 0;
}

[data-theme="dark"] .page-loading-mask {
  background: rgba(0, 0, 0, 0.9);
}

/* 图片点击放大遮罩 */
.image-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.75);
  cursor: zoom-out;
  align-items: center;
  justify-content: center;
}

.image-overlay.active {
  display: flex;
}

.overlay-image {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  object-fit: contain;
}

/* 导出格式选择器 */
.export-format-row {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.format-radio {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 4px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-muted);
  background: var(--input-bg);
  transition: all 0.15s;
  user-select: none;
}

.format-radio input {
  display: none;
}

.format-radio:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

.format-label {
  font-size: 12px;
  line-height: 1;
}

/* 预览统计面板 */
.preview-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}

.preview-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 4px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  text-align: center;
}

.preview-stat-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.preview-stat-unit {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1;
}

.preview-stat-label {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

@media screen and (max-width: 768px) {
  .preview-stats {
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
  }
  .preview-stat-item {
    padding: 6px 2px;
  }
  .preview-stat-value {
    font-size: 14px;
  }
}

@media screen and (max-width: 480px) {
  .preview-stats {
    grid-template-columns: repeat(3, 1fr);
  }
  .export-format-row {
    flex-wrap: wrap;
  }
  .format-radio {
    flex: 1 1 calc(50% - 3px);
  }
}

.config-row {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.config-row .btn-compact {
  flex: 1;
  text-align: center;
  margin: 0;
}