/* ========================================
   旅行助手 - 统一样式系统
   现代化设计风格 - 移动端优化版本
   ======================================== */

/* 字体预加载和降级策略 */
@font-face {
  font-family: 'SF Pro Display';
  font-display: swap; /* 关键：确保字体快速显示 */
  src: local('SF Pro Display'),
       local('PingFang SC'),
       local('Hiragino Sans GB'),
       local('Microsoft YaHei'),
       local('Helvetica Neue'),
       local('Arial');
}

/* 移动端字体优化 */
@media (max-width: 768px) {
  :root {
    --font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 0.875rem; /* 移动端稍微减小基础字体 */
    --font-size-lg: 1rem;
    --font-size-xl: 1.125rem;
  }
}

/* CSS变量定义 - 颜色主题 */
:root {
  /* 主色调 - 旅行蓝 */
  --primary-color: #3498db;
  --primary-dark: #2980b9;
  --primary-light: #85c1e9;
  
  /* 辅助色调 - 探险橙 */
  --secondary-color: #f39c12;
  --secondary-dark: #e67e22;
  --secondary-light: #f8c471;
  
  /* 中性色调 */
  --neutral-900: #2c3e50;
  --neutral-800: #34495e;
  --neutral-700: #5d6d7e;
  --neutral-500: #85929e;
  --neutral-300: #d5dbdb;
  --neutral-200: #eaeded;
  --neutral-100: #f8f9fa;
  --white: #ffffff;
  
  /* 功能色彩 */
  --success-color: #27ae60;
  --warning-color: #f1c40f;
  --danger-color: #e74c3c;
  --info-color: #17a2b8;
  
  /* 渐变色 */
  --gradient-primary: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
  --gradient-secondary: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
  --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  
  /* 阴影 */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.25);
  
  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  
  /* 字体 - 优化移动端字体栈 */
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* 间距 */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* 动画时长 */
  --duration-fast: 0.15s;
  --duration-normal: 0.3s;
  --duration-slow: 0.5s;
}

/* ========================================
   基础样式重置
   ======================================== */

/* 确保基础样式立即生效 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  font-family: var(--font-family, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif);
}

body {
  font-family: var(--font-family, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif);
  font-size: var(--font-size-base, 1rem);
  line-height: 1.6;
  color: var(--neutral-800, #34495e);
  background: var(--gradient-bg, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1;
  font-kerning: normal;
}

/* 背景图片覆盖 */
body.with-bg {
  background-image: url('/static/bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

/* ========================================
   布局组件
   ======================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.container-sm {
  max-width: 480px;
}

.container-md {
  max-width: 768px;
}

.container-lg {
  max-width: 1024px;
}

/* 居中布局 */
.center-layout {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: var(--space-4);
}

/* 网格布局 */
.grid {
  display: grid;
  gap: var(--space-4);
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Flex布局 */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-center {
  justify-content: center;
  align-items: center;
}

.flex-between {
  justify-content: space-between;
}

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

.flex-1 {
  flex: 1;
}

/* Gap类 */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* ========================================
   按钮组件
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-normal) ease;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  min-height: 44px; /* iOS友好触摸尺寸 */
}

.btn:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left var(--duration-slow) ease;
}

.btn:hover:before {
  left: 100%;
}

/* 按钮变体 */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

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

.btn-success:hover {
  background: #229954;
  transform: translateY(-2px);
}

.btn-warning {
  background: var(--warning-color);
  color: var(--neutral-900);
}

.btn-warning:hover {
  background: #d4ac0d;
  transform: translateY(-2px);
}

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

.btn-danger:hover {
  background: #c0392b;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--neutral-800);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* 按钮尺寸 */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  min-height: 52px;
}

.btn-full {
  width: 100%;
}

/* ========================================
   表单组件
   ======================================== */

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--neutral-700);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  border: 2px solid var(--neutral-300);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: all var(--duration-normal) ease;
  min-height: 44px; /* iOS友好 */
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
  transform: translateY(-1px);
}

.form-input::placeholder {
  color: var(--neutral-500);
}

.form-file {
  position: relative;
  overflow: hidden;
  background: var(--neutral-100);
  border: 2px dashed var(--neutral-300);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
  transition: all var(--duration-normal) ease;
}

.form-file:hover {
  border-color: var(--primary-color);
  background: rgba(52, 152, 219, 0.05);
}

.form-file input[type="file"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.form-file svg {
  width: 24px;
  height: 24px;
  margin-bottom: var(--space-2);
}

.form-file p {
  margin: var(--space-1) 0;
  font-size: var(--font-size-sm);
}

.form-file .text-xs {
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
}

/* ========================================
   卡片组件
   ======================================== */

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--duration-normal) ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.card-header {
  padding: var(--space-4) var(--space-6);
  background: var(--gradient-primary);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  background: var(--neutral-100);
  border-top: 1px solid var(--neutral-200);
}

/* 修复创建清单表单中按钮和输入框对齐问题 */
.card-body .grid-2 {
  align-items: end;
}

.card-body .grid-2 .form-group {
  margin-bottom: 0;
}

.card-body .grid-2 .btn {
  height: 44px;
  margin-bottom: 0;
}

/* 优化文件上传区域 */
.form-file {
  padding: var(--space-4);
}

.form-file svg {
  width: 24px;
  height: 24px;
  margin-bottom: var(--space-2);
}

.form-file p {
  margin: var(--space-1) 0;
  font-size: var(--font-size-sm);
}

.form-file .text-xs {
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
}

/* 文件上传按钮与输入框对齐 */
.card-body .mt-6 .grid-2 {
  align-items: end;
}

.card-body .mt-6 .grid-2 .form-group {
  margin-bottom: 0;
}

.card-body .mt-6 .grid-2 .btn {
  height: 44px;
  margin-bottom: 0;
}

/* 移动端优化 */
@media (max-width: 768px) {
  .create-main .grid-2 {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .upload-grid {
    grid-template-columns: 1fr auto;
    gap: var(--space-2);
  }
  
  .create-main .btn,
  .btn-secondary {
    width: 100%;
  }
  
  .upload-grid .btn {
    width: auto;
    padding: var(--space-3) var(--space-4);
  }
  
  .form-file {
    padding: var(--space-2);
  }
  
  .form-file svg {
    width: 16px;
    height: 16px;
  }
  
  .card-body .grid-2,
  .card-body .mt-6 .grid-2 {
    align-items: stretch;
  }
  
  .card-body .grid-2 .btn,
  .card-body .mt-6 .grid-2 .btn {
    height: auto;
  }
}

/* 很小屏幕时才垂直排列 */
@media (max-width: 480px) {
  .upload-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  
  .upload-grid .btn {
    width: 100%;
    margin-top: var(--space-2);
  }
}

/* ========================================
   列表组件
   ======================================== */

.list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.list-item {
  padding: var(--space-4);
  border-bottom: 1px solid var(--neutral-200);
  transition: all var(--duration-fast) ease;
  position: relative;
  overflow: hidden;
}

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

.list-item:hover {
  background: var(--neutral-100);
  transform: translateX(4px);
}

.list-item-clickable {
  cursor: pointer;
}

.list-item-active {
  background: rgba(52, 152, 219, 0.1);
  border-left: 4px solid var(--primary-color);
}

/* ========================================
   标题和文本
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--neutral-900);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--font-size-4xl);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--neutral-500);
}

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

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

.text-success {
  color: var(--success-color);
}

.text-danger {
  color: var(--danger-color);
}

/* ========================================
   徽章和标签
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-xl);
  background: var(--primary-color);
  color: var(--white);
}

.badge-secondary {
  background: var(--secondary-color);
}

.badge-success {
  background: var(--success-color);
}

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

.badge-outline {
  background: transparent;
  border: 1px solid currentColor;
}

/* ========================================
   导航组件
   ======================================== */

.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--space-4) 0;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-nav {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.nav-link {
  color: var(--neutral-700);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) ease;
}

.nav-link:hover {
  color: var(--primary-color);
  background: rgba(52, 152, 219, 0.1);
}

.nav-link.active {
  color: var(--primary-color);
  background: rgba(52, 152, 219, 0.15);
}

/* ========================================
   模态框和弹窗
   ======================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) ease;
}

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

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
  transform: scale(0.9);
  transition: transform var(--duration-normal) ease;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

/* ========================================
   右键菜单
   ======================================== */

.context-menu {
  position: fixed; /* 改为fixed定位避免滚动问题 */
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--neutral-300);
  overflow: hidden;
  z-index: 1001; /* 提高z-index确保在最前面 */
  min-width: 160px;
  max-width: 200px;
  user-select: none; /* 防止选中文本 */
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.context-menu-item {
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: background var(--duration-fast) ease;
  border-bottom: 1px solid var(--neutral-200);
}

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

.context-menu-item:hover {
  background: var(--primary-color);
  color: var(--white);
}

/* ========================================
   折叠面板
   ======================================== */

.accordion {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.accordion-header {
  background: var(--neutral-100);
  padding: var(--space-4) var(--space-6);
  cursor: pointer;
  transition: background var(--duration-normal) ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--neutral-200);
}

.accordion-header:hover {
  background: var(--neutral-200);
}

.accordion-header.active {
  background: var(--primary-color);
  color: var(--white);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) ease;
}

.accordion-content.open {
  max-height: 1000px;
}

.accordion-body {
  padding: var(--space-6);
}

/* ========================================
   滑动操作
   ======================================== */

.swipe-item {
  position: relative;
  overflow: hidden;
  touch-action: pan-y pinch-zoom;
}

.swipe-content {
  background: var(--white);
  padding: var(--space-4);
  transition: transform var(--duration-normal) ease;
  cursor: pointer;
}

.swipe-actions {
  position: absolute;
  right: -200px;
  top: 0;
  height: 100%;
  display: flex;
  align-items: center;
  transition: right var(--duration-normal) ease;
}

.swipe-item.active .swipe-content {
  transform: translateX(-200px);
}

.swipe-item.active .swipe-actions {
  right: 0;
}

.swipe-action {
  height: 100%;
  padding: 0 var(--space-4);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 80px;
  transition: background var(--duration-fast) ease;
}

.swipe-action.complete {
  background: var(--success-color);
}

.swipe-action.delete {
  background: var(--danger-color);
}

.swipe-action.restore {
  background: var(--info-color);
}

/* ========================================
   警告框组件
   ======================================== */

.alert {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin: var(--space-2) 0;
  display: flex;
  align-items: center;
  border-left: 4px solid;
}

.alert-success {
  background-color: rgba(39, 174, 96, 0.1);
  border-color: var(--success-color);
  color: var(--success-color);
}

.alert-danger {
  background-color: rgba(231, 76, 60, 0.1);
  border-color: var(--danger-color);
  color: var(--danger-color);
}

.alert-warning {
  background-color: rgba(241, 196, 15, 0.1);
  border-color: var(--warning-color);
  color: #b7950b;
}

.alert-info {
  background-color: rgba(23, 162, 184, 0.1);
  border-color: var(--info-color);
  color: var(--info-color);
}

/* ========================================
   特殊效果
   ======================================== */

/* 玻璃态效果 */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 霓虹发光效果 */
.neon {
  animation: neon-glow 2s ease-in-out infinite alternate;
}

@keyframes neon-glow {
  from {
    box-shadow: 0 0 20px var(--primary-color);
  }
  to {
    box-shadow: 0 0 30px var(--primary-color), 0 0 40px var(--primary-color);
  }
}

/* 脉冲动画 */
.pulse {
  animation: pulse 2s infinite;
}

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

/* 浮动动画 */
.float {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Hover效果 */
.hover\:underline:hover {
  text-decoration: underline;
}

.hover\:shadow-lg:hover {
  box-shadow: var(--shadow-lg);
}

.hover\:scale-105:hover {
  transform: scale(1.05);
}

/* ========================================
   加载状态
   ======================================== */

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s ease-in-out infinite;
}

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

.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

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

/* ========================================
   间距类
   ======================================== */

.space-y-4 > * + * {
  margin-top: var(--space-4);
}

.space-y-2 > * + * {
  margin-top: var(--space-2);
}

.space-y-6 > * + * {
  margin-top: var(--space-6);
}

/* ========================================
   工具类
   ======================================== */

/* 内联元素 */
.inline {
  display: inline;
}

.inline-block {
  display: inline-block;
}

.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }

/* 间距 */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }

/* 显示/隐藏 */
.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

/* 定位 */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* 宽度 */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-1\/2 { width: 50%; }
.w-1\/3 { width: 33.333333%; }
.w-2\/3 { width: 66.666667%; }

/* 高度 */
.h-full { height: 100%; }
.h-screen { height: 100vh; }

/* 圆角 */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: 50%; }

/* 阴影 */
.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-none { box-shadow: none; }

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 768px) {
  .container {
    margin: var(--space-2);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }
  
  h1 {
    font-size: var(--font-size-3xl);
  }
  
  h2 {
    font-size: var(--font-size-2xl);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .btn {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
  }
  
  .navbar-nav {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  /* 移动设备友好的表单 */
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px; /* 防止iOS缩放 */
  }
  
  /* 移动设备的滑动手势 */
  .swipe-item {
    touch-action: pan-y;
  }
}

@media (max-width: 480px) {
  .container {
    margin: var(--space-1);
    padding: var(--space-3);
  }
  
  h1 {
    font-size: var(--font-size-2xl);
  }
  
  .btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
  }
}

/* ========================================
   深色模式支持
   ======================================== */

@media (prefers-color-scheme: dark) {
  :root {
    --neutral-900: #f8f9fa;
    --neutral-800: #e9ecef;
    --neutral-700: #dee2e6;
    --neutral-500: #adb5bd;
    --neutral-300: #495057;
    --neutral-200: #343a40;
    --neutral-100: #212529;
    --white: #1a1a1a;
  }
  
  .container {
    background: rgba(0, 0, 0, 0.8);
    color: var(--neutral-900);
  }
  
  .card {
    background: var(--neutral-200);
  }
}

/* ========================================
   打印样式
   ======================================== */

@media print {
  body {
    background: white !important;
    color: black !important;
  }
  
  .container {
    background: white !important;
    box-shadow: none !important;
    border: 1px solid black;
  }
  
  .btn,
  .navbar,
  .modal {
    display: none !important;
  }
  
  a {
    text-decoration: underline !important;
  }
}

/* ========================================
   无障碍性增强
   ======================================== */

/* 高对比度模式 */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0066cc;
    --primary-dark: #004499;
    --secondary-color: #cc6600;
    --neutral-300: #666666;
    --neutral-500: #333333;
  }
}

/* 减少动画 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 焦点样式 */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* 跳转链接 */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  border-radius: 4px;
  text-decoration: none;
  z-index: 1000;
}

.skip-link:focus {
  top: 6px;
}

/* ========================================
   旅行计划页面样式 (travel_plan.html)
   ======================================== */

.travel-plan-container {
  font-family: Arial, sans-serif;
  margin: var(--space-5);
  font-size: 1.1em;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 100vh;
  position: relative;
  /* 为固定定位的元素提供空间 */
  padding-top: 60px;
}

/* 固定定位的按钮容器 */
.travel-plan-fixed-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--neutral-200);
  z-index: 1000; /* 提高z-index确保不被覆盖 */
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--space-4);
  box-shadow: var(--shadow-sm);
}

.travel-plan-nav-left,
.travel-plan-nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 1001; /* 确保导航栏内容在最前面 */
  position: relative;
}

.travel-plan-header {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-6) 0;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.travel-plan-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin: 0;
  padding: 0.5rem 0;
  color: var(--neutral-800);
  text-align: center;
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* 增强文字对比度 */
.travel-plan-container h1,
.travel-plan-container h2,
.travel-plan-container h3,
.travel-plan-container h4 {
  color: var(--neutral-900);
  text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
  font-weight: 600;
}

.travel-plan-container .text-muted {
  color: var(--neutral-700);
  text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.6);
}

/* 表格样式 */
.travel-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-5);
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.travel-table th,
.travel-table td {
  border: 1px solid var(--neutral-300);
  padding: var(--space-3);
  text-align: left;
  word-wrap: break-word;
  font-size: 1em;
  background: rgba(255, 255, 255, 0.9);
}

.travel-table th {
  background: var(--gradient-primary);
  color: var(--white);
  font-weight: 600;
  text-shadow: none;
}

.travel-table tr:nth-child(even) td {
  background: rgba(248, 249, 250, 0.95);
}

.travel-table tr:hover td {
  background: rgba(52, 152, 219, 0.1);
  transition: background-color 0.2s ease;
}

.travel-table .past-date {
  background: linear-gradient(135deg, rgba(149, 165, 166, 0.6), rgba(189, 195, 199, 0.7)) !important;
  color: #7F8C8D !important;
  text-decoration: line-through;
  border-left: 4px solid #95A5A6;
  position: relative;
  opacity: 0.8;
}

.travel-table .past-date::before {
  content: "⚫";
  position: absolute;
  left: -2px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9em;
  z-index: 10;
}

.travel-table .past-date td {
  color: #7F8C8D !important;
  font-style: italic;
}

.travel-table .current-date {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.2), rgba(255, 235, 59, 0.3)) !important;
  border-left: 5px solid #FFC107;
  border-right: 2px solid rgba(255, 193, 7, 0.6);
  animation: currentDateGlow 3s ease-in-out infinite alternate;
  position: relative;
}

.travel-table .current-date::before {
  content: "🟡";
  position: absolute;
  left: -2px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1em;
  z-index: 10;
}

.travel-table .current-date td {
  font-weight: 700;
  color: #B8860B;
  text-shadow: 0 1px 2px rgba(255, 193, 7, 0.3);
  position: relative;
}

.travel-table .current-date td:first-child {
  font-weight: 800;
  background: rgba(255, 193, 7, 0.3);
  border-radius: var(--radius-sm);
}

@keyframes currentDateGlow {
  0% { 
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.2), rgba(255, 235, 59, 0.3)) !important;
    box-shadow: inset 0 0 0 1px rgba(255, 193, 7, 0.4), 0 2px 8px rgba(255, 193, 7, 0.2);
  }
  100% { 
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.35), rgba(255, 235, 59, 0.45)) !important;
    box-shadow: inset 0 0 0 2px rgba(255, 193, 7, 0.6), 0 4px 12px rgba(255, 193, 7, 0.3);
  }
}

/* 今日计划提醒样式 - 增强版 */
.current-date-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: linear-gradient(135deg, #FFF3CD 0%, #FFF8E1 100%);
  color: #B8860B;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: 1.1em;
  font-weight: 700;
  border: 2px solid rgba(255, 193, 7, 0.5);
  margin-bottom: var(--space-4);
  box-shadow: 0 4px 12px rgba(255, 193, 7, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  animation: todayIndicatorPulse 4s ease-in-out infinite;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.current-date-indicator::before {
  content: "📅";
  font-size: 1.3em;
  filter: drop-shadow(0 1px 2px rgba(255, 193, 7, 0.4));
}

@keyframes todayIndicatorPulse {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  }
  50% { 
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(255, 193, 7, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  }
}

/* 过滤器控件 */
.filter-controls {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-5) 0;
  flex-wrap: wrap;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
}

.filter-controls input[type="date"] {
  font-size: 1.1em;
  padding: var(--space-2);
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.95);
}

.filter-controls .btn-filter {
  font-size: 0.9em;
  padding: var(--space-2) var(--space-3);
}

/* 卡片增强 */
.travel-plan-container .card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.travel-plan-container .card-header {
  background: var(--gradient-primary);
  color: var(--white);
}

.travel-plan-container .card-body {
  background: rgba(255, 255, 255, 0.95);
}

/* 模态框样式 */
.travel-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.travel-modal.active {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-5);
  box-sizing: border-box;
}

.travel-modal-content {
  background: rgba(255, 255, 255, 0.98);
  margin: auto;
  padding: var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  box-sizing: border-box;
  font-size: 1.2em;
  overflow-y: auto;
  max-height: 90vh;
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(10px);
}

.travel-modal-close {
  color: var(--neutral-500);
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.2s ease;
}

.travel-modal-close:hover,
.travel-modal-close:focus {
  color: var(--neutral-800);
}

.travel-form-group {
  margin-bottom: var(--space-4);
}

.travel-form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 1.2em;
  font-weight: 500;
  color: var(--neutral-700);
}

.travel-form-input {
  width: 100%;
  padding: var(--space-3);
  margin-top: var(--space-1);
  box-sizing: border-box;
  font-size: 1.1em;
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease;
  background: rgba(255, 255, 255, 0.95);
}

.travel-form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* AI生成计划相关样式 */
.ai-plan-section {
  background: rgba(248, 249, 250, 0.95);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  margin: var(--space-6) 0;
  border: 1px solid var(--neutral-200);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

.ai-plan-title {
  color: var(--primary-color);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-2xl);
  text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

.ai-plan-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.ai-plan-result {
  background: rgba(255, 255, 255, 0.95);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral-200);
  margin-top: var(--space-4);
  backdrop-filter: blur(10px);
}

/* API状态显示 */
.api-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.85em;
  font-weight: 500;
}

.api-status-connected {
  background: rgba(39, 174, 96, 0.1);
  color: var(--success-color);
  border: 1px solid var(--success-color);
}

.api-status-disconnected {
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger-color);
  border: 1px solid var(--danger-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .travel-plan-container {
    margin: var(--space-2);
    padding-top: 80px; /* 移动端需要更多空间 */
  }
  
  .travel-plan-fixed-nav {
    height: 80px;
    flex-direction: column;
    padding: var(--space-2);
    gap: var(--space-2);
    z-index: 1000 !important; /* 确保在移动端也有高优先级 */
  }
  
  .travel-plan-nav-left,
  .travel-plan-nav-right {
    width: 100%;
    justify-content: space-between;
    z-index: 1001 !important;
  }
  
  /* 移动端API按钮额外保障 */
  #apiKeyButton {
    z-index: 1002 !important;
    position: relative !important;
  }
  
  .travel-plan-header {
    flex-direction: column;
    gap: var(--space-4);
  }
  
 .travel-plan-title {
    font-size: var(--font-size-3xl);
  }
  
  .travel-table {
    font-size: 0.9em;
  }
  
  .travel-table th,
  .travel-table td {
    padding: var(--space-2);
  }
  
  .filter-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .travel-modal-content {
    margin: var(--space-2);
    padding: var(--space-4);
    max-height: 95vh;
  }
}

@media (max-width: 480px) {
  .travel-plan-container {
    padding-top: 100px;
  }
  
  .travel-plan-fixed-nav {
    height: 100px;
    z-index: 1000 !important; /* 超小屏幕也确保高优先级 */
  }
  
  /* 超小屏幕API按钮额外保障 */
  #apiKeyButton {
    z-index: 1002 !important;
    position: relative !important;
    pointer-events: auto !important;
  }
  
  .travel-plan-title {
    font-size: var(--font-size-2xl);
  }
  
  .travel-table {
    font-size: 0.8em;
  }
  
  .travel-modal-content {
    font-size: 1em;
  }
}

/* ========================================
   物品清单页面样式 (checklist.html)
   ======================================== */

.checklist-container {
  font-family: 'Arial', sans-serif;
  background-image: url('/static/bg.png');
  background-size: cover;
  background-attachment: fixed;
  color: var(--neutral-800);
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-size: 1rem;
}

.checklist-content {
  background-color: rgba(255, 255, 255, 0.95);
  margin: var(--space-5);
  padding: var(--space-8);
  max-width: 900px;
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow-x: hidden;
  backdrop-filter: blur(10px);
}

.checklist-title {
  text-align: center;
  color: var(--neutral-800);
  margin-bottom: var(--space-5);
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

/* 物品添加表单 */
.checklist-form {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  gap: var(--space-3);
}

.checklist-form input[type="text"],
.checklist-form input[type="number"],
.checklist-form select {
  flex: 1 1 30%;
  min-width: 150px;
  padding: var(--space-3);
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.checklist-form input:focus,
.checklist-form select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.checklist-form .btn {
  flex: 0 0 auto;
  margin: var(--space-1);
  padding: var(--space-2) var(--space-4);
  font-size: 0.9rem;
}

/* 分类样式 */
.checklist-category {
  margin-top: var(--space-6);
}

.checklist-category-title {
  color: var(--neutral-700);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-2xl);
  font-weight: 600;
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--primary-color);
}

.checklist-items {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.checklist-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3);
  background-color: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  font-size: 1rem;
  margin-bottom: var(--space-2);
  border: 1px solid var(--neutral-200);
  transition: all 0.2s ease;
}

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

.checklist-item-content {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  padding-right: var(--space-3);
}

.checklist-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  margin-right: var(--space-3);
  accent-color: var(--primary-color);
}

.checklist-item label {
  margin-left: 0;
  flex: 1;
  white-space: normal;
  word-wrap: break-word;
  overflow-wrap: break-word;
  cursor: pointer;
  transition: color 0.2s ease;
}

.checklist-item input[type="checkbox"]:checked + label {
  text-decoration: line-through;
  color: var(--neutral-500);
}

.checklist-item-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
  flex-shrink: 0;
}

.checklist-item-actions .btn {
  padding: var(--space-1) var(--space-2);
  font-size: 0.8rem;
  min-width: auto;
}

.checklist-note {
  color: var(--danger-color);
  font-size: 0.9rem;
  font-style: italic;
}

/* 编辑对话框 */
.checklist-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  background-color: white;
  z-index: 1000;
  overflow: auto;
  max-width: 500px;
  width: 90%;
}

.checklist-dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  backdrop-filter: blur(4px);
}

.checklist-dialog .form-group {
  margin-bottom: var(--space-4);
}

.checklist-dialog .form-group label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--neutral-700);
  font-weight: 500;
}

.checklist-dialog .form-group input {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .travel-plan-container {
    margin: var(--space-2);
  }
  
  .travel-plan-header {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .travel-table {
    font-size: 0.9em;
  }
  
  .travel-table th,
  .travel-table td {
    padding: var(--space-2);
  }
  
  .filter-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .travel-modal-content {
    margin: var(--space-2);
    padding: var(--space-4);
    max-height: 95vh;
  }
  
  .checklist-content {
    margin: var(--space-2);
    padding: var(--space-4);
  }
  
  .checklist-form {
    flex-direction: column;
  }
  
  .checklist-form input[type="text"],
  .checklist-form input[type="number"],
  .checklist-form select {
    flex: 1 1 100%;
    margin-bottom: var(--space-3);
  }
  
  .checklist-item {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  
  .checklist-item-actions {
    width: 100%;
    justify-content: flex-end;
    margin-top: var(--space-2);
  }
}

@media (max-width: 480px) {
  .travel-plan-container {
    margin: var(--space-1);
  }
  
  .travel-plan-header {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .travel-plan-title {
    font-size: var(--font-size-3xl);
  }
  
  .checklist-title {
    font-size: var(--font-size-3xl);
  }
  
  .travel-table {
    font-size: 0.8em;
  }
  
  .checklist-dialog {
    width: 95%;
    padding: var(--space-4);
  }
}

/* 拖拽排序样式 */
.drag-handle {
  cursor: grab;
  color: var(--color-text-muted);
  font-weight: bold;
  padding: 0.25rem;
  margin-right: 0.5rem;
  user-select: none;
}

.drag-handle:active {
  cursor: grabbing;
}

.sortable-ghost {
  opacity: 0.4;
  background-color: var(--color-primary-light);
}

.sortable-chosen {
  background-color: var(--color-primary-light);
}

.sortable-drag {
  background-color: var(--color-background);
  box-shadow: var(--shadow-lg);
  transform: rotate(5deg);
}

/* 多选模式样式 */
.selection-mode .checklist-item {
  cursor: pointer;
  transition: all 0.2s ease;
}

.selection-mode .checklist-item:hover {
  background-color: var(--color-primary-light);
  transform: translateX(4px);
}

.checklist-item.selected {
  background-color: var(--color-primary);
  color: white;
  transform: scale(1.02);
}

.checklist-item.selected .item-label {
  color: white;
}

.checklist-item.selected .checklist-note {
  color: rgba(255, 255, 255, 0.8);
}

/* 批量编辑相关样式 */
#selectedItemsList {
  max-height: 200px;
  overflow-y: auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin: 1rem 0;
}

#selectedItemsList ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#selectedItemsList li {
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

#selectedItemsList li:last-child {
  border-bottom: none;
}

/* 类别操作样式增强 */
.category-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.category-actions .btn {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
}

/* 撤销按钮特殊样式 */
#undoButton {
  position: relative;
  overflow: hidden;
}

#undoButton::before {
  content: '↶';
  margin-right: 0.25rem;
}

/* 模态框内容增强 */
.checklist-dialog h3 {
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.5rem;
}

.checklist-dialog .form-group {
  margin-bottom: 1rem;
}

.checklist-dialog .form-group label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.checklist-dialog .form-group input,
.checklist-dialog .form-group select,
.checklist-dialog .form-group textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-background);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.checklist-dialog .form-group input:focus,
.checklist-dialog .form-group select:focus,
.checklist-dialog .form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* 操作提示样式 */
.operation-hint {
  background-color: var(--color-warning-light);
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  margin: 1rem 0;
  font-size: 0.9rem;
  color: var(--color-warning-dark);
}

/* 动画效果 */
@keyframes itemRemove {
  0% {
    opacity: 1;
    transform: translateX(0);
    max-height: 60px;
  }
  50% {
    opacity: 0;
    transform: translateX(-20px);
    max-height: 60px;
  }
  100% {
    opacity: 0;
    transform: translateX(-20px);
    max-height: 0;
    padding: 0;
    margin: 0;
  }
}

.checklist-item.removing {
  animation: itemRemove 0.3s ease-in-out forwards;
}

@keyframes categoryCollapse {
  0% {
    opacity: 1;
    max-height: 500px;
  }
  100% {
    opacity: 0;
    max-height: 0;
    margin: 0;
    padding: 0;
  }
}

.checklist-category.removing {
  animation: categoryCollapse 0.4s ease-in-out forwards;
}

/* ========================================
   首页布局优化
   ======================================== */

/* 修复创建清单表单中按钮和输入框对齐问题 */
.card-body .grid-2 {
  align-items: end;
}

.card-body .grid-2 .form-group {
  margin-bottom: 0;
}

.card-body .grid-2 .btn {
  height: 44px;
  margin-bottom: 0;
}

/* 简化卡片样式 */
.card {
  border: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card-header {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.card-body {
  padding: var(--space-4);
}

/* 主要创建区域简化 */
.create-main {
  margin-bottom: var(--space-5);
}

.create-main .grid-2 {
  gap: var(--space-3);
  align-items: end;
}

.create-main .form-input {
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-size: var(--font-size-base);
}

.create-main .btn {
  border-radius: var(--radius-md);
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(52, 152, 219, 0.2);
}

/* 分割线 */
.divider {
  display: flex;
  align-items: center;
  margin: var(--space-6) 0 var(--space-4) 0;
  color: var(--neutral-500);
  font-size: var(--font-size-sm);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--neutral-300);
}

.divider span {
  padding: 0 var(--space-4);
  background: var(--white);
}

/* 文件上传区域优化 */
.upload-section {
  background: var(--neutral-100);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  border: 1px solid var(--neutral-200);
}

.upload-section h4 {
  color: var(--neutral-700);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.upload-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3);
  align-items: end;
  margin-bottom: var(--space-3);
}

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

.upload-grid .btn {
  height: 44px;
  white-space: nowrap;
  flex-shrink: 0;
}

.form-file {
  background: var(--white);
  border: 2px dashed var(--neutral-300);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
  transition: all var(--duration-normal) ease;
  cursor: pointer;
}

.form-file:hover {
  border-color: var(--secondary-color);
  background: rgba(243, 156, 18, 0.05);
}

.form-file svg {
  width: 20px;
  height: 20px;
  margin-bottom: var(--space-1);
  color: var(--secondary-color);
}

.form-file p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--neutral-600);
}

.form-file .text-xs {
  font-size: var(--font-size-xs);
  color: var(--neutral-500);
  margin-top: var(--space-1);
}

.btn-secondary {
  background: var(--gradient-secondary);
  border-radius: var(--radius-md);
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(243, 156, 18, 0.2);
}

/* 收纳功能 - 可展开的高级选项 */
.advanced-toggle {
  background: none;
  border: none;
  color: var(--primary-color);
  font-size: var(--font-size-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-2);
  transition: color var(--duration-normal) ease;
}

.advanced-toggle:hover {
  color: var(--primary-dark);
}

.advanced-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-normal) ease;
}

.advanced-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) ease;
}

.advanced-content.open {
  max-height: 300px;
  margin-top: var(--space-4);
}

.advanced-content.open .advanced-toggle svg {
  transform: rotate(180deg);
}

/* 移动端优化 */
@media (max-width: 768px) {
  .create-main .grid-2,
  .upload-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .create-main .btn,
  .btn-secondary {
    width: 100%;
  }
  
  .form-file {
    padding: var(--space-2);
  }
  
  .form-file svg {
    width: 16px;
    height: 16px;
  }
  
  .card-body .grid-2,
  .card-body .mt-6 .grid-2 {
    align-items: stretch;
  }
  
  .card-body .grid-2 .btn,
  .card-body .mt-6 .grid-2 .btn {
    height: auto;
  }
}

/* 未来日期样式 - 默认状态增强 */
.travel-table tr:not(.current-date):not(.past-date) {
  position: relative;
  background: rgba(255, 255, 255, 0.98);
  transition: all 0.2s ease;
}

.travel-table tr:not(.current-date):not(.past-date)::before {
  content: "⚪";
  position: absolute;
  left: -2px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9em;
  opacity: 0.6;
  z-index: 10;
}

.travel-table tr:not(.current-date):not(.past-date):hover {
  background: rgba(52, 152, 219, 0.08) !important;
  border-left: 3px solid rgba(52, 152, 219, 0.3);
}

.travel-table .highlight {
  background: rgba(173, 216, 230, 0.9) !important;
  color: var(--danger-color);
  font-weight: bold;
  font-size: 1.1em;
}

/* 状态说明样式 - 确保在各种背景下清晰可读 */
.status-legend {
  background: rgba(255, 255, 255, 0.95) !important;
  color: #2C3E50 !important;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  margin-top: var(--space-4);
  font-weight: 600;
}

.status-legend .status-items {
  display: inline-flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.status-legend .status-item {
  background: rgba(248, 249, 250, 0.9);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: #2C3E50 !important;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
  transition: all 0.2s ease;
}

.status-legend .status-item:hover {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

.status-legend .status-item.current {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.2), rgba(255, 235, 59, 0.3));
  border-color: rgba(255, 193, 7, 0.4);
  color: #B8860B !important;
}

.status-legend .status-item.past {
  background: linear-gradient(135deg, rgba(149, 165, 166, 0.3), rgba(189, 195, 199, 0.4));
  border-color: rgba(149, 165, 166, 0.5);
  color: #7F8C8D !important;
}

.status-legend .status-item.future {
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(108, 192, 255, 0.2));
  border-color: rgba(52, 152, 219, 0.3);
  color: #2980B9 !important;
}

/* 过期计划提示样式 - 确保在各种背景下清晰可读 */
.past-plans-indicator {
  background: rgba(255, 255, 255, 0.95) !important;
  color: #2C3E50 !important;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(149, 165, 166, 0.4);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  margin-top: var(--space-3);
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.past-plans-indicator .past-icon {
  color: #7F8C8D !important;
  font-size: 1.1em;
  margin-right: var(--space-2);
}

/* 自动刷新指示器 */
.auto-refresh-indicator {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(52, 152, 219, 0.9);
  color: white;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.9em;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(-10px);
}

.auto-refresh-indicator.active {
  opacity: 1;
  transform: translateY(0);
}

.auto-refresh-indicator .refresh-icon {
  display: inline-block;
  animation: spin 1s linear infinite;
  margin-right: var(--space-1);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
} 

/* 确保API按钮始终可点击 */
#apiKeyButton {
  position: relative;
  z-index: 1002 !important;
  pointer-events: auto !important;
  cursor: pointer !important;
}

/* ========================================
   API按钮点击修复 - 响应式设计保障
   ======================================== */

/* 确保API按钮在所有情况下都可以点击 */
.travel-plan-nav-right #apiKeyButton,
#apiKeyButton {
  position: relative !important;
  z-index: 9999 !important;
  pointer-events: auto !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-width: 80px !important;
  min-height: 32px !important;
}

/* 防止任何伪元素覆盖按钮 */
#apiKeyButton::before,
#apiKeyButton::after {
  pointer-events: none !important;
}

/* 确保按钮的父容器不会阻挡点击 */
.travel-plan-nav-right {
  pointer-events: auto !important;
  position: relative !important;
  z-index: 9998 !important;
}

/* 修复导航栏的层级问题 */
.travel-plan-fixed-nav {
  pointer-events: auto !important;
  z-index: 9997 !important;
}

/* 调试用样式 - 可以在调试时启用 */
/*
#apiKeyButton {
  border: 2px solid red !important;
  background: yellow !important;
}

#apiKeyButton:hover {
  background: lime !important;
}
*/

/* 确保在所有屏幕尺寸下都有效 */
@media screen and (min-width: 1px) {
  #apiKeyButton {
    position: relative !important;
    z-index: 9999 !important;
    pointer-events: auto !important;
    cursor: pointer !important;
  }
}

/* AI生成清单样式 */
.ai-generate-section {
  padding: var(--space-6);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: var(--radius-lg);
  border: none;
  margin-bottom: var(--space-6);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
}

.ai-generate-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  pointer-events: none;
}

.ai-generate-section .flex {
  position: relative;
  z-index: 1;
}

.ai-generate-section h4 {
  color: white;
  font-weight: 700;
  font-size: 1.2em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ai-generate-section h4 svg {
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  animation: aiPulse 2s ease-in-out infinite;
}

@keyframes aiPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.ai-toggle-btn {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.ai-toggle-btn:hover {
  background: rgba(255,255,255,0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
  border-color: rgba(255,255,255,0.5);
}

.ai-toggle-btn svg {
  transition: transform 0.3s ease;
}

.ai-form-container {
  margin-top: var(--space-4);
  padding: var(--space-6);
  background: white;
  border-radius: var(--radius-lg);
  border: none;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  position: relative;
  overflow: hidden;
}

.ai-form-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.ai-form .form-group {
  position: relative;
  margin-bottom: var(--space-4);
}

.ai-form .form-label {
  font-weight: 700;
  color: var(--neutral-800);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.9em;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ai-form .form-label::before {
  content: '';
  width: 3px;
  height: 16px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 2px;
}

.ai-form .form-input,
.ai-form select,
.ai-form textarea {
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-size: 1em;
  transition: all 0.3s ease;
  background: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.ai-form .form-input:focus,
.ai-form select:focus,
.ai-form textarea:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1), 0 4px 12px rgba(102, 126, 234, 0.15);
  transform: translateY(-1px);
}

.ai-form .grid {
  gap: var(--space-4);
}

.ai-form .grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.ai-form .grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.ai-form .btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  padding: var(--space-4) var(--space-6);
  font-weight: 700;
  font-size: 1.1em;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.ai-form .btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s ease;
}

.ai-form .btn-primary:hover::before {
  left: 100%;
}

.ai-form .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}

/* AI结果模态框样式 */
.ai-result-modal {
  max-width: 900px;
  width: 90vw;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px rgba(0,0,0,0.25);
  border: none;
  overflow: hidden;
}

.ai-result-modal .modal-header {
  position: relative;
  padding: var(--space-6);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-bottom: none;
}

.ai-result-modal .modal-header h3 {
  font-weight: 700;
  font-size: 1.5em;
  margin: 0;
}

.ai-result-modal .modal-header p {
  margin: var(--space-2) 0 0 0;
  opacity: 0.9;
  font-weight: 500;
}

.ai-result-modal .modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 20px;
  cursor: pointer;
  color: white;
  padding: 0;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.ai-result-modal .modal-close:hover {
  background: rgba(255,255,255,0.3);
  transform: scale(1.1);
}

.ai-result-modal .modal-body {
  padding: var(--space-6);
  max-height: 70vh;
  overflow-y: auto;
  background: #fafafa;
}

.ai-basic-info {
  padding: var(--space-4);
  background: white;
  border-radius: var(--radius-lg);
  border: none;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  margin-bottom: var(--space-4);
  position: relative;
  overflow: hidden;
}

.ai-basic-info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.ai-basic-info h4 {
  color: var(--neutral-800);
  font-weight: 700;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ai-basic-info h4::before {
  content: '📍';
  font-size: 1.2em;
}

.ai-basic-info .grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
}

.ai-basic-info span {
  padding: var(--space-2);
  background: var(--neutral-50);
  border-radius: var(--radius-md);
  font-size: 0.9em;
}

.ai-category {
  padding: var(--space-4);
  border: none;
  border-radius: var(--radius-lg);
  background: white;
  margin-bottom: var(--space-4);
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ai-category:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.ai-category h4 {
  color: #667eea;
  font-weight: 700;
  padding-bottom: var(--space-3);
  border-bottom: 2px solid #f0f0f0;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ai-category h4::before {
  content: '📦';
  font-size: 1.2em;
}

.ai-items-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ai-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  position: relative;
}

.ai-item:hover {
  background: var(--neutral-50);
  transform: translateX(5px);
}

.ai-item::before {
  content: '✓';
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
  flex-shrink: 0;
}

.ai-item .item-name {
  font-weight: 600;
  color: var(--neutral-800);
  flex: 1;
}

.ai-item .item-quantity {
  color: #667eea;
  font-weight: 700;
  font-size: 0.9em;
  background: linear-gradient(135deg, #f0f4ff 0%, #e0e9ff 100%);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid #d0d9ff;
}

.ai-item .item-note {
  color: var(--neutral-600);
  font-size: 0.85em;
  font-style: italic;
  background: #f8f9fa;
  padding: 4px 12px;
  border-radius: 15px;
  border: 1px solid #e9ecef;
}

.ai-tips {
  padding: var(--space-4);
  background: linear-gradient(135deg, #fff3cd 0%, #ffe69c 100%);
  border-radius: var(--radius-lg);
  border: 1px solid #ffc107;
  box-shadow: 0 4px 15px rgba(255, 193, 7, 0.2);
  position: relative;
  overflow: hidden;
}

.ai-tips::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #ffc107 0%, #ff8f00 100%);
}

.ai-tips h4 {
  color: #b45309;
  margin-bottom: var(--space-3);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ai-tips-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ai-tips-list li {
  color: #92400e;
  padding: var(--space-2) 0;
  padding-left: var(--space-4);
  position: relative;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.ai-tips-list li:hover {
  background: rgba(255,255,255,0.5);
  transform: translateX(5px);
}

.ai-tips-list li:before {
  content: "💡";
  position: absolute;
  left: 0;
  font-size: 1.2em;
  animation: tipGlow 2s ease-in-out infinite;
}

@keyframes tipGlow {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* 徽章样式增强 */
.badge.badge-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 25px;
  font-size: 0.75em;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
  animation: badgeFloat 3s ease-in-out infinite;
}

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}

/* 模态框底部样式 */
.ai-result-modal .modal-footer {
  padding: var(--space-4) var(--space-6);
  background: #f8f9fa;
  border-top: 1px solid var(--neutral-200);
}

.ai-result-modal .modal-footer .flex {
  gap: var(--space-3);
}

.ai-result-modal .modal-footer .form-input {
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-weight: 600;
  background: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.ai-result-modal .modal-footer .form-input:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.ai-result-modal .modal-footer .btn {
  padding: var(--space-3) var(--space-5);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.ai-result-modal .modal-footer .btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.ai-result-modal .modal-footer .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

.ai-result-modal .modal-footer .btn-outline {
  border: 2px solid var(--neutral-300);
  background: white;
  color: var(--neutral-700);
}

.ai-result-modal .modal-footer .btn-outline:hover {
  border-color: var(--neutral-400);
  background: var(--neutral-50);
  transform: translateY(-1px);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .ai-generate-section {
    padding: var(--space-4);
    margin-left: calc(-1 * var(--space-2));
    margin-right: calc(-1 * var(--space-2));
  }
  
  .ai-form-container {
    padding: var(--space-4);
  }
  
  .ai-form .grid-3,
  .ai-form .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .ai-result-modal {
    width: 95vw;
    margin: var(--space-2);
  }
  
  .ai-basic-info .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .ai-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  
  .ai-item .item-quantity,
  .ai-item .item-note {
    align-self: flex-end;
  }
}

@media (max-width: 480px) {
  .ai-generate-section {
    padding: var(--space-3);
    margin-left: calc(-1 * var(--space-3));
    margin-right: calc(-1 * var(--space-3));
    border-radius: var(--radius-md);
  }
  
  .ai-result-modal {
    width: 100vw;
    height: 100vh;
    margin: 0;
    border-radius: 0;
  }
  
  .ai-result-modal .modal-body {
    max-height: calc(100vh - 200px);
    padding: var(--space-4);
  }
  
  .ai-result-modal .modal-header,
  .ai-result-modal .modal-footer {
    padding: var(--space-4);
  }
}

/* ========================================
   备案号样式
   ======================================== */

.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding: var(--space-2) var(--space-4);
  text-align: center;
  z-index: 1000;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
}

.site-footer .beian-info {
  font-size: var(--font-size-xs);
  color: var(--neutral-500);
  line-height: 1.4;
}

.site-footer .beian-link {
  color: var(--neutral-500);
  text-decoration: none;
  transition: color var(--duration-fast) ease;
}

.site-footer .beian-link:hover {
  color: var(--primary-color);
}

/* 为有备案号的页面添加底部padding */
body.with-footer {
  padding-bottom: 50px;
}

.container.with-footer-spacing {
  margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
  .site-footer {
    padding: var(--space-1) var(--space-2);
  }
  
  .site-footer .beian-info {
    font-size: 10px;
  }
  
  body.with-footer {
    padding-bottom: 40px;
  }
}