/* assets/css/app.css - 优化整理版 */
/* ===== 基础重置和排版 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: rgba(0, 0, 0, 0.4);
  color: var(--text-primary);
  line-height: 1.4;
  overflow: hidden;
  min-height: 100vh;
  font-weight: var(--font-weight-normal);
}

/* ===== 壁纸系统 ===== */
.wallpaper-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-origin: center center;
  backdrop-filter: blur(var(--wallpaper-blur, 0px));
}

/* 壁纸类型基础样式 */
.wallpaper-image-layer,
.wallpaper-color-layer,
.wallpaper-gradient-layer {
  background: var(--wallpaper-background);
  filter: blur(var(--wallpaper-blur, 0px));
}

.wallpaper-image-layer {
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

/* 🆕 视频壁纸层优化 - 防止闪屏 */
.wallpaper-video-layer {
  filter: blur(var(--wallpaper-blur, 0px));
  background-color: #000; /* 添加黑色背景防止闪白屏 */
  overflow: hidden;
}

.wallpaper-video-layer .wallpaper-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: opacity 0.5s ease-in-out;
  
  /* 🆕 防止闪屏的关键优化 */
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000;
  -webkit-transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  -webkit-perspective: 1000;
  
  /* 🆕 确保视频完全覆盖 */
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
}

/* 🆕 视频无缝循环优化 */
.wallpaper-video-layer[data-video-state="seamless"] .wallpaper-video {
  /* 无缝循环的特殊样式 */
  will-change: transform;
  image-rendering: -webkit-optimize-contrast;
}

/* 壁纸遮罩层 */
.wallpaper-image-layer::before,
.wallpaper-color-layer::before,
.wallpaper-gradient-layer::before,
.wallpaper-video-layer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, var(--wallpaper-mask-opacity, 0.4));
  z-index: 1;
}

/* 🆕 视频壁纸专用遮罩优化 */
.wallpaper-video-layer::before {
  /* 视频壁纸的遮罩可以稍微深一些，减少闪烁感知 */
  background-color: rgba(0, 0, 0, calc(var(--wallpaper-mask-opacity, 0.4) + 0.1));
}

/* 壁纸状态 */
.wallpaper-changing {
  animation: wallpaper-scale-switch 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.wallpaper-loading-state::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  animation: wallpaper-loading-shine 2s infinite;
  z-index: 2;
}

.wallpaper-video-loading .wallpaper-video { 
  opacity: 0; 
  transform: scale(1.02); /* 🆕 加载时轻微缩放 */
}

.wallpaper-video-ready .wallpaper-video { 
  opacity: 1; 
  transform: scale(1);
  transition: opacity 0.8s ease, transform 0.8s ease; /* 🆕 添加transform过渡 */
}

/* 🆕 视频循环状态 */
.wallpaper-video-looping .wallpaper-video {
  /* 循环时的特殊处理 */
  filter: brightness(1.01); /* 轻微亮度变化掩盖闪烁 */
  transition: filter 0.3s ease;
}

/* 壁纸预加载层 */
.wallpaper-next-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  opacity: 0;
  transform: scale(1.1);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.wallpaper-next-layer.active {
  opacity: 1;
  transform: scale(1);
  z-index: -1;
}

.wallpaper-current-layer.fading-out {
  opacity: 0;
  transform: scale(1.1);
  z-index: -2;
}

/* 🆕 视频壁纸过渡优化 */
.wallpaper-video-layer.wallpaper-next-layer {
  transform: scale(1.05); /* 🆕 视频壁纸使用更小的初始缩放 */
  transition: all 1s cubic-bezier(0.215, 0.61, 0.355, 1); /* 🆕 更平滑的缓动函数 */
}

.wallpaper-video-layer.wallpaper-next-layer.active {
  transform: scale(1);
}

/* 壁纸动画 */
@keyframes wallpaper-scale-switch {
  0% { transform: scale(1); opacity: 1; }
  30% { transform: scale(1.08); opacity: 0.9; }
  50% { transform: scale(1.05); opacity: 0.7; }
  70% { transform: scale(1.02); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes wallpaper-smooth-switch {
  0% { transform: scale(1); filter: brightness(1); }
  25% { transform: scale(1.03); filter: brightness(1.1); }
  50% { transform: scale(1.06); filter: brightness(1.2); }
  75% { transform: scale(1.03); filter: brightness(1.1); }
  100% { transform: scale(1); filter: brightness(1); }
}

@keyframes wallpaper-loading-shine {
  0% { transform: translateX(-100%) skewX(-15deg); }
  100% { transform: translateX(200%) skewX(-15deg); }
}

/* 🆕 视频无缝循环动画 */
@keyframes wallpaper-video-seamless {
  0% { 
    opacity: 1;
    filter: brightness(1) contrast(1);
  }
  90% {
    opacity: 1;
    filter: brightness(1.02) contrast(1.01);
  }
  100% {
    opacity: 1;
    filter: brightness(1) contrast(1);
  }
}

/* 🆕 视频循环时的微动画 */
.wallpaper-video-loop-point {
  animation: wallpaper-video-seamless 0.5s ease-in-out;
}

/* 极简加载提示 */
.video-loading-tip.minimal {
  position: fixed;
  bottom: 20px;
  right: 118px;
  z-index: 2998;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, 0.9);
  padding: 6px 14px 6px 10px;
  border-radius: 30px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  opacity: 0.7;
}

.video-loading-tip.minimal .loading-icon svg {
  width: 14px;
  height: 14px;
}

.video-loading-tip.minimal .tip-text {
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.9);
}

.loading-spinner-path {
  animation: spin 1s linear infinite;
  transform-origin: center;
  stroke: rgba(255, 255, 255, 0.8);
}

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

/* 视频控制按钮 */
.wallpaper-video-control {
  position: fixed;
  bottom: 24px;
  right: 74px;
  z-index: 2998;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.wallpaper-video-control:hover {
  opacity: 1;
}

.wallpaper-video-control button {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 5px;
  border: 1px solid transparent;
  background: transparent;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: all 0.2s ease;
  overflow: hidden;
  white-space: nowrap;
  font-size: 12px;
}

.wallpaper-video-control button:hover {
  border-color: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.wallpaper-video-control button:active {
  transform: scale(0.98);
}

.wallpaper-video-control svg {
  fill: currentColor;
  width: 12px;
  height: 12px;
  display: block;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .wallpaper-video-control {
    bottom: 20px;
    right: 20px;
    opacity: 0.8;
  }
  
  .wallpaper-video-control button {
    width: 28px;
    height: 28px;
    min-width: 28px;
  }
  
  .wallpaper-video-control svg {
    width: 12px;
    height: 12px;
  }
}

/* ===== 主应用布局 ===== */
.app {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: var(--spacing-md);
  transition: var(--transition-medium);
}

/* ===== 头部区域 ===== */
.header {
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text-primary);
  min-height: var(--header-height);
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-medium);
}

.app-date-box {
  text-align: center;
  min-width: 300px;
  transition: all var(--transition-medium);
}

/* 时间显示 */
.app-time {
  font-size: var(--header-time-font-size, 55px);
  font-weight: var(--header-font-weight, normal);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
  font-variant-numeric: tabular-nums;
  letter-spacing: -2px;
  font-family: var(--header-font-family, 'HarmonyOS_Sans', 'Inter', system-ui, sans-serif);
  text-shadow: 0 2px 6px rgb(0 0 0 / 16%);
  color: var(--header-text-color, var(--theme-text-on-primary));
  opacity: var(--header-text-opacity, 1);
  transition: all var(--transition-medium);
}

.app-time .colon {
  display: inline-block;
  animation: blink 2s infinite;
  color: var(--header-text-color, var(--theme-text-on-primary));
  opacity: var(--header-text-opacity, 1);
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

/* 日期显示 */
.app-date {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 14px;
  color: var(--header-text-color, var(--theme-text-on-primary));
  font-weight: var(--header-font-weight, var(--font-weight-medium));
  text-shadow: 0 2px 4px rgb(0 0 0 / 16%);
  opacity: var(--header-text-opacity, 1);
  font-family: var(--header-font-family, 'Inter', system-ui, sans-serif);
  transition: all var(--transition-medium);
}

.date-separator {
  margin: 0 var(--spacing-xs);
}

/* Logo布局 */
.logo-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-md);
}

.header-logo {
  width: var(--logo-size, 80px);
  height: var(--logo-size, 80px);
  align-items: center;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  box-sizing: border-box;
  transition: all var(--transition-medium);
  border-bottom: 1px solid var(--theme-border-primary);
}

.logo-placeholder {
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--theme-glass-bg);
  border: 2px dashed var(--theme-glass-border);
  border-radius: var(--border-radius-md);
  color: var(--theme-glass-border);
  font-size: 24px;
  transition: all var(--transition-medium);
  width: var(--logo-size, 80px);
  height: var(--logo-size, 80px);
}

/* 文字布局 */
.text-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  text-align: center;
}

.custom-main-text {
  font-size: var(--header-time-font-size, 70px);
  font-weight: var(--header-font-weight, normal);
  line-height: 1.1;
  margin-bottom: var(--spacing-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
  font-family: var(--header-font-family, var(--font-family-mono));
  text-shadow: 0 2px 6px rgb(0 0 0 / 16%);
  color: var(--header-text-color, var(--theme-text-on-primary));
  opacity: var(--header-text-opacity, 1);
  transition: all var(--transition-medium);
  text-align: center;
  white-space: pre-wrap;
  word-wrap: break-word;
  word-break: break-word;
  max-width: 100%;
  width: 100%;
}

.custom-sub-text {
  font-size: 0.925rem;
  color: var(--header-text-color, var(--theme-text-on-primary));
  opacity: var(--header-text-opacity, 1);
  font-weight: var(--header-font-weight, normal);
  text-shadow: 0 2px 4px rgb(0 0 0 / 16%);
  transition: all var(--transition-medium);
  text-align: center;
  line-height: 1.1;
  white-space: pre-wrap;
  word-wrap: break-word;
  word-break: break-word;
  max-width: 100%;
  width: 100%;
}

/* 自定义HTML布局 */
.custom-html-container {
  width: 100%;
  text-align: center;
}

.custom-html,
.custom-html-error,
.custom-html-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl);
  opacity: 0.7;
}

.custom-html-error i,
.custom-html-placeholder i {
  font-size: 32px;
  margin-bottom: var(--spacing-sm);
}

.custom-html-error small,
.custom-html-placeholder small {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.custom-info {
  display: flex;
  margin: 0 auto;
  align-items: center;
  gap: var(--spacing-md);
  min-width: 120px;
  max-width: calc(var(--header-time-font-size) + 170px);
}

.custom-info .custom-info-img {
  width: var(--header-time-font-size, 60px);
  height: var(--header-time-font-size, 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-on-primary);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  background-size: auto 70%;
  background-position: center;
  background-repeat: no-repeat;
  box-sizing: border-box;
  border-right: 1px solid var(--theme-border-primary);
}

.custom-info-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  color: var(--header-text-color, var(--theme-text-on-primary));
  opacity: var(--header-text-opacity, 1);
  min-width: 0;
  flex: 1;
}

.custom-info h2 {
  font-size: var(--font-size-5xl);
  font-family: var(--header-font-family, var(--font-family-mono));
  margin: 0;
  line-height: 1.1;
  text-align: left;
  white-space: pre-wrap;
  word-wrap: break-word;
  word-break: break-word;
}

.custom-info-description {
  font-size: var(--font-size-sm);
  margin: 0;
}

.header-placeholder {
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--text-secondary);
  font-style: italic;
}

/* ===== 侧边栏系统样式 ===== */
.sidebar {
  position: fixed;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  width: var(--sidebar-compact-width);
  background: var(--sidebar-bg);
  backdrop-filter: var(--glass-blur-sm);
  border: 1px solid var(--sidebar-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-sm) var(--spacing-xs);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  z-index: 1000;
  min-height: 240px;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-md);
  overflow: visible;
  animation: sidebarSlideIn 0.4s var(--ease-out) forwards;
}

/* 通长布局 */
.sidebar.full-height {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  transform: none;
  justify-content: center;
  align-items: center;
  min-height: auto;
  height: 100vh;
  max-height: none;
  margin: 0;
  border-radius: 0;
  border: 0;
  box-shadow: var(--shadow-lg);
  width: var(--sidebar-compact-width);
  animation: sidebarFullHeightIn 0.5s var(--ease-out) forwards;
}

/* 右侧布局 */
.sidebar.right-sidebar {
  left: auto;
  right: var(--spacing-md);
  animation: sidebarSlideInRight 0.4s var(--ease-out) forwards;
}

.sidebar.right-sidebar.full-height {
  right: 0;
  left: auto;
  animation: sidebarFullHeightInRight 0.5s var(--ease-out) forwards;
}

/* 紧凑模式 */
.sidebar.compact {
  width: calc(var(--sidebar-compact-width) - 8px);
  padding: var(--spacing-xs);
  gap: var(--spacing-xs);
}

/* 隐藏状态 */
.sidebar.hidden {
  display: none !important;
}

/* 自动隐藏 */
.sidebar.auto-hide {
  opacity: 0;
  visibility: hidden;
  transform: translateX(-16px) translateY(-50%);
  transition: all var(--transition-slow);
}

.sidebar.auto-hide:hover,
.sidebar.auto-hide:focus-within {
  opacity: 1;
  visibility: visible;
  transform: translateX(0) translateY(-50%);
}

.sidebar.right-sidebar.auto-hide {
  transform: translateX(16px) translateY(-50%);
}

.sidebar.right-sidebar.auto-hide:hover {
  transform: translateX(0) translateY(-50%);
}

/* 侧边栏内容结构 */
.sidebar-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: var(--spacing-xs);
  overflow: hidden;
}

.sidebar-user-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) 0;
  flex-shrink: 0;
}

.sidebar-pages-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.sidebar-pages-groups {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  max-height: calc(100% - 80px);
}

.sidebar-controls-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) 0;
  flex-shrink: 0;
}

/* 通长布局特殊样式 */
.sidebar.full-height .sidebar-content {
  height: 100%;
  max-height: 80vh;
  justify-content: space-between;
  gap: 0;
}

.sidebar.full-height .sidebar-user-section {
  padding-top: var(--spacing-lg);
  border-radius: 0;
}

.sidebar.full-height .sidebar-pages-section {
  justify-content: center;
  flex: 1;
}

.sidebar.full-height .sidebar-pages-groups {
  justify-content: flex-start;
  flex: 1;
  max-height: none;
  gap: 0;
}

.sidebar.full-height .sidebar-controls-section {
  padding-bottom: var(--spacing-lg);
  border-radius: 0;
}

/* ===== 用户区域样式 ===== */
.sidebar-user {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  background: transparent;
  border: none;
  color: var(--sidebar-text);
  text-decoration: none;
}

/* 用户区域交互效果 */
.sidebar-user:hover {
  background: var(--sidebar-group-hover-bg);
  color: var(--sidebar-text);
  transform: scale(1.05);
}

.sidebar-user:active {
  background: var(--sidebar-group-active-bg);
  transform: scale(1.02);
}

.sidebar-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: var(--gradient-primary);
  color: white;
  transition: transform var(--transition-fast);
  overflow: hidden;
}

.sidebar-user:hover .sidebar-avatar {
  transform: scale(1.1);
}

/* 头像图片样式 */
.sidebar-avatar img.user-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

/* 头像字母样式（无头像时） */
.sidebar-avatar .user-avatar-letter {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  color: white;
  background: var(--gradient-primary);
  border-radius: 50%;
}

.sidebar-username {
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  /* text-overflow: ellipsis; */
  /* max-width: 100%; */
  line-height: 1.2;
}

/* ===== 已登录状态样式 ===== */
.sidebar-user.logged-in {
  color: var(--sidebar-text);
}

.sidebar-user.logged-in:hover {
  color: var(--sidebar-text-secondary);
}

/* 已登录状态头像容器 */
.sidebar-user.logged-in .sidebar-avatar {
  background: transparent;
  box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.2);
}

.sidebar-user.logged-in:hover .sidebar-avatar {
  border-color: var(--sidebar-text-secondary);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
  transform: scale(1.1);
}

/* 已登录状态头像悬停效果 */
.sidebar-user.logged-in:hover .sidebar-avatar img.user-avatar-img {
  filter: brightness(1.1);
}

/* 已登录状态用户名 */
.sidebar-user.logged-in .sidebar-username {
  color: var(--sidebar-text);
  font-weight: var(--font-weight-semibold);
}

.sidebar-user.logged-in:hover .sidebar-username {
  color: var(--sidebar-text-secondary);
}

/* 离线状态 */
.sidebar-user.logged-in.offline::after {
  background: var(--status-error);
  opacity: 0.7;
}

/* 加载状态 */
.sidebar-user.logged-in.loading .sidebar-avatar {
  animation: pulse 1.5s ease-in-out infinite;
}

.sidebar-user.logged-in.loading .sidebar-username {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

/* 通长布局的登录状态适配 */
.sidebar.full-height .sidebar-user.logged-in::after {
  bottom: 8px;
  right: 8px;
}

.sidebar.full-height .sidebar-user.logged-in.has-notification::before {
  top: 8px;
  right: 8px;
}

/* 紧凑模式的登录状态适配 */
.sidebar.compact .sidebar-user.logged-in .sidebar-avatar {
  border-width: 1.5px;
}

.sidebar.compact .sidebar-user.logged-in::after {
  width: 6px;
  height: 6px;
  bottom: 3px;
  right: 3px;
  border-width: 1px;
}

.sidebar.compact .sidebar-user.logged-in.has-notification::before {
  width: 5px;
  height: 5px;
  top: 2px;
  right: 2px;
}

/* 右侧侧边栏的位置调整 */
.sidebar.right-sidebar .sidebar-user.logged-in::after {
  right: auto;
  left: 4px;
}

.sidebar.right-sidebar .sidebar-user.logged-in.has-notification::before {
  right: auto;
  left: 4px;
}

/* ===== 分组样式 ===== */
.sidebar-group {
  width: calc(100% - 2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--spacing-sm) var(--spacing-xs);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  background: var(--sidebar-group-bg);
  border: none;
  color: var(--sidebar-text);
  text-decoration: none;
}

/* 分组交互效果 - 修复hover和active叠加问题 */
.sidebar-group:not(.active):hover {
  background: var(--sidebar-group-hover-bg);
  color: var(--sidebar-text);
  transform: translateY(-1px) scale(1.02);
}

.sidebar-group:not(.active):active {
  background: var(--sidebar-group-active-bg);
  transform: translateY(0) scale(1.01);
}

.sidebar-group.active {
  background: var(--sidebar-group-active-bg);
  color: var(--sidebar-text);
  box-shadow: var(--shadow-sm);
  transform: scale(1.05);
}

/* 激活状态下禁用hover效果 */
.sidebar-group.active:hover {
  background: var(--sidebar-group-active-bg);
  transform: scale(1.05);
}

.sidebar-group.drop-zone.drag-over {
  background: var(--color-primary);
  color: var(--sidebar-text);
  transform: scale(1.02);
}

/* 通长布局分组样式 */
.sidebar.full-height .sidebar-group {
  border-radius: 0;
  gap: 0;
  width: 100%;
}

.sidebar.full-height .sidebar-group:not(.active):hover {
  background: var(--sidebar-group-hover-bg);
  transform: none;
}

.sidebar.full-height .sidebar-group:not(.active):active {
  background: var(--sidebar-group-active-bg);
  transform: none;
}

.sidebar.full-height .sidebar-group.active {
  background: var(--sidebar-group-active-bg);
  transform: none;
}

/* 通长布局用户区域 - 移除圆角 */
.sidebar.full-height .sidebar-user {
  border-radius: 0;
  width: 100%;
}

.sidebar.full-height .sidebar-user:hover {
  background: var(--sidebar-group-hover-bg);
  color: var(--sidebar-text);
  transform: none; /* 通长布局移除缩放效果 */
}

.sidebar.full-height .sidebar-user:active {
  background: var(--sidebar-group-active-bg);
  transform: none; /* 通长布局移除缩放效果 */
}

/* 通长布局控制按钮 - 移除圆角 */
.sidebar.full-height .sidebar-control-btn {
  border-radius: 0;
  width: 100%;
}

.sidebar.full-height .sidebar-control-btn:hover:not(:active) {
  background: var(--sidebar-group-hover-bg);
  color: var(--sidebar-text);
  transform: none; /* 通长布局移除位移效果 */
  box-shadow: none; /* 通长布局移除阴影 */
}

.sidebar.full-height .sidebar-control-btn:active {
  background: var(--sidebar-group-active-bg);
  color: var(--sidebar-text);
  transform: none; /* 通长布局移除位移效果 */
  box-shadow: none; /* 通长布局移除阴影 */
}

#settingsBtn i {
  transition: all var(--transition-medium);
  transform-origin: center;
}

#settingsBtn:hover i {
  transform: scale(1.0) rotate(180deg);
  transition: all var(--transition-medium) 0.1s; /* 添加延迟让缩放先执行 */
}

/* 侧边栏图标和名称 */
.sidebar-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: transform var(--transition-fast);
  color: inherit;
}

.sidebar-group:not(.active):hover .sidebar-icon {
  transform: scale(1.05);
}

.sidebar-group.active .sidebar-icon {
  transform: scale(1.1);
}

.sidebar-name {
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  line-height: 1.2;
  color: inherit;
  transition: color var(--transition-fast);
}

/* 侧边栏分割线 */
.sidebar-divider {
  height: 1px;
  background: var(--sidebar-divider);
  margin: var(--spacing-xs) 0;
  width: 100%;
}

/* ===== 控制按钮 ===== */
.sidebar-control-btn {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--spacing-sm) var(--spacing-xs);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  background: transparent;
  border: none;
  color: var(--sidebar-text);
  text-decoration: none;
}

.sidebar-control-btn:hover:not(:active) {
  background: var(--sidebar-group-hover-bg);
  color: var(--sidebar-text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.sidebar-control-btn:active {
  background: var(--sidebar-group-active-bg);
  color: var(--sidebar-text);
  box-shadow: var(--shadow-sm);
  transform: translateY(0);
}

/* 添加分页按钮 */
#addPageBtn {
  margin-top: auto;
  flex-shrink: 0;
}

.sidebar.full-height #addPageBtn {
  margin-top: var(--spacing-lg);
}

.sidebar.full-height .sidebar-controls {
  margin-top: auto;
  padding-bottom: var(--spacing-lg);
  gap: var(--spacing-md);
}

/* 浮动设置按钮 */
#floatingSettingsBtn {
  position: fixed;
  left: var(--spacing-md);
  bottom: var(--spacing-md);
  width: 48px;
  height: 48px;
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-medium);
}

#floatingSettingsBtn.visible {
  opacity: 1;
  visibility: visible;
}

/* ===== 侧边栏动画系统 ===== */
@keyframes sidebarSlideIn {
  0% {
    opacity: 0;
    transform: translateX(-20px) translateY(-50%);
  }
  100% {
    opacity: 1;
    transform: translateX(0) translateY(-50%);
  }
}

@keyframes sidebarSlideInRight {
  0% {
    opacity: 0;
    transform: translateX(20px) translateY(-50%);
  }
  100% {
    opacity: 1;
    transform: translateX(0) translateY(-50%);
  }
}

@keyframes sidebarFullHeightIn {
  0% {
    opacity: 0;
    transform: translateX(-100%) translateY(0);
  }
  100% {
    opacity: 1;
    transform: translateX(0) translateY(0);
  }
}

@keyframes sidebarFullHeightInRight {
  0% {
    opacity: 0;
    transform: translateX(100%) translateY(0);
  }
  100% {
    opacity: 1;
    transform: translateX(0) translateY(0);
  }
}

/* 侧边栏滚动条样式 */
.sidebar-pages-groups::-webkit-scrollbar {
  width: 3px;
}

.sidebar-pages-groups::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 2px;
}

.sidebar-pages-groups::-webkit-scrollbar-thumb {
  background: var(--sidebar-divider);
  border-radius: 2px;
}

.sidebar-pages-groups::-webkit-scrollbar-thumb:hover {
  background: var(--sidebar-text-secondary);
}

/* 侧边栏加载状态 */
.sidebar.loading {
  opacity: 0.5;
  pointer-events: none;
}

.sidebar.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: sidebarLoading 1.5s infinite;
  border-radius: inherit;
}

@keyframes sidebarLoading {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===== 侧边栏工具提示 ===== */
.sidebar-tooltip {
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  background: var(--tooltip-bg);
  color: var(--tooltip-text);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  pointer-events: none;
  z-index: 10000;
  margin-left: var(--spacing-sm);
  box-shadow: var(--shadow-md);
}

.sidebar-group:hover .sidebar-tooltip,
.sidebar-control-btn:hover .sidebar-tooltip {
  opacity: 1;
  visibility: visible;
}

/* 通长布局的工具提示位置调整 */
.sidebar.full-height .sidebar-tooltip {
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
}

.sidebar.right-sidebar .sidebar-tooltip {
  left: auto;
  right: 100%;
  margin-left: 0;
  margin-right: var(--spacing-sm);
}

/* 已登录状态的工具提示 */
.sidebar-user.logged-in .sidebar-tooltip {
  background: var(--sidebar-text);
  color: white;
}

/* ===== 侧边栏折叠/展开状态 ===== */
.sidebar.collapsed {
  width: var(--sidebar-compact-width);
}

.sidebar.expanded {
  width: var(--sidebar-expanded-width);
}

.sidebar.expanded .sidebar-name {
  white-space: nowrap;
  overflow: visible;
}

.sidebar.expanded .sidebar-group,
.sidebar.expanded .sidebar-control-btn {
  flex-direction: row;
  justify-content: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
}

.sidebar.expanded .sidebar-username {
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

/* 已登录状态的扩展模式适配 */
.sidebar.expanded .sidebar-user.logged-in {
  padding: var(--spacing-sm) var(--spacing-md);
}

.sidebar.expanded .sidebar-user.logged-in .sidebar-avatar {
  width: 32px;
  height: 32px;
}

.sidebar.expanded .sidebar-user.logged-in .sidebar-username {
  font-size: var(--font-size-sm);
}

.sidebar.expanded .sidebar-user.logged-in::after {
  bottom: 10px;
  right: 10px;
}

/* ===== 响应式样式 ===== */

/* 移动端适配 */
@media (max-width: 768px) {
  /* 手机端隐藏侧边栏 */
  .sidebar {
    display: none !important;
  }
  
  /* 显示浮动设置按钮 */
  #floatingSettingsBtn {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
  
  /* 移除主内容区域的边距 */
  .main-content {
    margin-bottom: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding: var(--spacing-sm);
  }
  
  /* 已登录状态移动端适配 */
  .sidebar-user.logged-in .sidebar-avatar {
    width: 24px;
    height: 24px;
    border-width: 1.5px;
  }
  
  .sidebar-user.logged-in::after {
    width: 7px;
    height: 7px;
    bottom: 3px;
    right: 3px;
  }
  
  .sidebar-user.logged-in .sidebar-username {
    font-size: 9px;
  }
  
  .sidebar-user.logged-in.has-notification::before {
    width: 5px;
    height: 5px;
    top: 2px;
    right: 2px;
  }
}

/* 小屏幕设备优化 */
@media (max-width: 480px) {
  #floatingSettingsBtn {
    left: var(--spacing-sm);
    bottom: var(--spacing-sm);
    width: 44px;
    height: 44px;
  }
}

/* ===== 主题和可访问性适配 ===== */

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
  .sidebar {
    border-width: 2px;
  }
  
  .sidebar-group.active {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }
  
  .sidebar-user:hover,
  .sidebar-control-btn:hover {
    outline: 1px solid var(--color-primary);
  }
  
  /* 已登录状态高对比度 */
  .sidebar-user.logged-in .sidebar-avatar {
    border-width: 3px;
    border-color: var(--color-primary) !important;
  }
  
  .sidebar-user.logged-in::after {
    border-width: 2px;
    border-color: var(--color-background);
    background: var(--color-primary) !important;
  }
  
  .sidebar-user.logged-in.has-notification::before {
    background: var(--color-secondary) !important;
  }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
  .sidebar,
  .sidebar-user,
  .sidebar-group,
  .sidebar-control-btn {
    transition: none;
    animation: none;
  }
  
  .sidebar.auto-hide {
    transition: opacity 0.1s ease;
  }
  
  .sidebar.loading::after {
    animation: none;
  }
  
  /* 已登录状态减少动画 */
  .sidebar-user.logged-in.has-notification::before {
    animation: none;
  }
  
  .sidebar-user.logged-in.loading .sidebar-avatar,
  .sidebar-user.logged-in.loading .sidebar-username {
    animation: none;
  }
}

/* 移动端动画优化 */
@media (max-width: 768px) {
  .sidebar {
    animation: none !important;
  }
}

/* 初始化状态 */
.sidebar:not(.css-vars-initialized) {
  opacity: 0;
  visibility: hidden;
}

.css-vars-initialized .sidebar {
  opacity: 1;
  visibility: visible;
}

/* 初始化完成后的动画启用 */
.css-vars-initialized .sidebar {
  animation: sidebarSlideIn 0.4s var(--ease-out) forwards;
}

.css-vars-initialized .sidebar.full-height {
  animation: sidebarFullHeightIn 0.5s var(--ease-out) forwards;
}

/* ===== 搜索系统样式 ===== */
.search-section {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  padding: 0 var(--spacing-md);
}

/* 搜索容器优化 */
.search-container {
  position: relative;
  width: 100%;
  max-width: 562px;
  min-width: 280px;
}

/* 搜索框主容器 - 完全融合设计 */
.search-box {
  height: var(--search-height, 50px);
  border-radius: var(--search-radius, 12px);
  opacity: var(--search-opacity, 1);
  display: flex;
  align-items: stretch;
  background: var(--search-bg);
  backdrop-filter: var(--glass-blur);
  border: 0;
  padding: 0;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-medium);
  position: relative;
  z-index: 100;
  overflow: hidden;
}

.search-box:focus-within {
  border-color: var(--color-interactive-primary);
  background: var(--search-focus-bg);
  box-shadow: 
    0 12px 40px var(--primary-alpha-20),
    0 4px 12px var(--primary-alpha-10),
    var(--shadow-glow);
  transform: translateY(-2px);
}

/* 搜索引擎按钮 - 完全融合设计 */
.search-engine-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0 var(--spacing-md);
  border: none;
  border-radius: 0;
  color: var(--theme-text-primary);
  cursor: pointer;
  transition: all var(--transition-medium);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  min-width: 60px;
  justify-content: center;
  background: var(--engine-btn-bg, var(--theme-bg-tertiary));
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  border-right: 1px solid var(--theme-border-secondary);
}

/* 左侧圆角处理 */
.search-box:has(.search-engine-btn:first-child) {
  border-top-left-radius: var(--search-radius, 12px);
  border-bottom-left-radius: var(--search-radius, 12px);
}

.search-engine-btn:first-child {
  border-top-left-radius: var(--search-radius, 12px);
  border-bottom-left-radius: var(--search-radius, 12px);
}

.search-engine-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.search-engine-btn:hover {
  background: var(--theme-hover-light);
  color: var(--color-interactive-primary);
}

.search-engine-btn:hover::before {
  opacity: 0.05;
}

.search-engine-btn:active {
  background: var(--theme-active);
}

.search-engine-btn.engine-changing {
  animation: engineChangePulse 0.6s var(--ease-bounce);
}

@keyframes engineChangePulse {
  0% { 
    transform: scale(1);
    box-shadow: 0 0 0 0 var(--primary-alpha-30);
  }
  50% { 
    transform: scale(1.05);
    box-shadow: 0 0 0 8px var(--primary-alpha-0);
  }
  100% { 
    transform: scale(1);
    box-shadow: 0 0 0 0 var(--primary-alpha-0);
  }
}

/* 引擎图标容器优化 */
.engine-icon-container {
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: var(--engine-icon, none);
  position: relative;
  z-index: 1;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.engine-icon-container i {
  font-size: 16px;
  color: inherit;
  transition: color var(--transition-medium);
}

.search-engine-btn:hover .engine-icon-container i {
  color: var(--color-interactive-primary);
}

.search-engine-btn i.fa-chevron-down {
  font-size: 12px;
  opacity: 0.7;
  margin-left: var(--spacing-xs);
  position: relative;
  z-index: 1;
  transition: all var(--transition-medium);
}

.search-engine-btn:hover i.fa-chevron-down {
  opacity: 1;
  transform: translateY(1px);
}

/* 搜索输入区域优化 */
.search-input-wrapper {
  flex: 1;
  position: relative;
  min-width: 120px;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  padding: 0 var(--spacing-md);
  background: transparent;
  border: none;
  color: var(--input-text);
  font-size: var(--font-size-base);
  outline: none;
  font-weight: var(--font-weight-medium);
  height: 100%;
  transition: all var(--transition-medium);
}

.search-input::placeholder {
  color: var(--input-placeholder);
  font-weight: var(--font-weight-normal);
  transition: color var(--transition-medium);
}

.search-input:focus::placeholder {
  color: var(--theme-text-tertiary);
}

/* 搜索按钮 - 完全融合设计 */
.search-btn {
  padding: 0 var(--spacing-lg);
  background: var(--gradient-primary);
  border: none;
  border-radius: 0;
  color: var(--text-on-primary);
  cursor: pointer;
  transition: all var(--transition-medium);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  min-width: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

/* 右侧圆角处理 */
.search-box:has(.search-btn:last-child) {
  border-top-right-radius: var(--search-radius, 12px);
  border-bottom-right-radius: var(--search-radius, 12px);
}

.search-btn:last-child {
  border-top-right-radius: var(--search-radius, 12px);
  border-bottom-right-radius: var(--search-radius, 12px);
}

.search-btn::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 0.5s ease;
}

.search-btn:hover {
  transform: none;
  filter: brightness(1.1);
}

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

.search-btn:active {
  filter: brightness(0.95);
}

.search-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  filter: none !important;
}

.search-btn:disabled:hover::before {
  left: -100%;
}

/* 搜索按钮图标 */
.search-btn i {
  font-size: 14px;
  transition: transform var(--transition-medium);
}

.search-btn:hover i {
  transform: scale(1.1);
}

/* ===== 搜索浮层系统优化 ===== */

.search-overlay {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  left: 0;
  right: 0;
  background: var(--search-overlay-bg);
  backdrop-filter: var(--glass-blur-lg);
  border: 1px solid var(--search-overlay-border);
  border-radius: var(--search-radius, 12px);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-index-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.95);
  transition: all var(--transition-medium);
  overflow: hidden;
  width: 100%;
  transform-origin: top center;
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.search-overlay .overlay-content {
  width: 100%;
  box-sizing: border-box;
}

.overlay-title {
  padding: var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--search-overlay-title);
  border-bottom: 1px solid var(--theme-border-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--theme-glass-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.overlay-title i {
  font-size: 14px;
  color: var(--color-primary);
}

.overlay-content {
  max-height: 280px;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.search-engines .overlay-content {
  padding: var(--spacing-md);
  max-height: none;
  overflow: visible;
}

.engine-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm);
  justify-content: flex-start;
  min-width: auto;
}

.engine-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: var(--engine-option-bg);
  border: 1px solid var(--engine-option-border);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-medium);
  text-align: center;
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  position: relative;
  color: var(--theme-text-primary);
  overflow: visible; /* 修正：允许删除按钮溢出 */
}

.engine-option::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 24px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-image: var(--engine-icon);
  transition: transform var(--transition-medium);
}

.engine-option::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  transition: opacity var(--transition-medium);
  border-radius: inherit;
}

.engine-option:hover {
  border-color: var(--engine-option-hover-border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-interactive-primary);
}

.engine-option:hover::before {
  transform: translateX(-50%) scale(1.1);
}

.engine-option:hover::after {
  opacity: 0.05;
}

.engine-option.active {
  border-color: var(--engine-option-active-border);
  background: var(--theme-active);
  box-shadow: 
    0 4px 12px var(--primary-alpha-15),
    inset 0 0 0 1px var(--primary-alpha-20);
  color: var(--color-interactive-primary);
}

.engine-option.active::after {
  opacity: 0.08;
}

.engine-option span {
  font-weight: var(--font-weight-medium);
  color: inherit;
  font-size: var(--font-size-xs);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
  margin-top: 28px;
  line-height: 1.2;
  position: relative;
  z-index: 1;
}

/* ===== 引擎选项内容区域优化 ===== */
.engine-option-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  width: 100%;
  position: relative;
  z-index: 1;
}

/* ===== 自定义引擎删除按钮样式 ===== */
.engine-delete-btn {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--history-delete-bg, var(--theme-bg-surface));
  border: 1px solid var(--theme-border-primary);
  color: var(--theme-text-tertiary);
  cursor: pointer;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  transition: all var(--transition-medium);
  opacity: 0;
  box-shadow: var(--shadow-xs);
  z-index: 25;
  transform: scale(0.8);
  backdrop-filter: var(--glass-blur-sm);
}

.engine-option:hover .engine-delete-btn {
  opacity: 1;
  transform: scale(1);
  color: var(--theme-text-secondary);
}

.engine-delete-btn:hover {
  background: var(--history-delete-hover-bg, var(--color-error));
  border-color: var(--history-delete-hover-border, var(--color-error));
  color: var(--text-on-primary) !important;
  transform: scale(1.1);
  box-shadow: 
    var(--shadow-xs),
    0 0 0 1px var(--primary-alpha-10);
}

.engine-delete-btn:active {
  transform: scale(0.95);
  background: var(--history-delete-hover-bg, var(--color-error-dark));
  border-color: var(--history-delete-hover-border, var(--color-error-dark));
}

.engine-delete-btn i {
  font-size: 10px;
  transition: transform var(--transition-fast);
}

.engine-delete-btn:hover i {
  color: var(--history-delete-hover-border) !important;
  transform: scale(1.2);
}

.engine-delete-btn:active i {
  color: var(--history-delete-hover-border) !important;
  transform: scale(0.9);
}

/* 搜索引擎管理按钮 */
.engine-manage-option {
  background: var(--theme-bg-tertiary);
  border: 1px dashed var(--theme-border-primary);
}

.engine-manage-option:hover {
  border-style: solid;
  border-color: var(--color-interactive-primary);
  background: var(--theme-hover-light);
}

.engine-manage-option i {
  font-size: 20px;
  color: var(--theme-text-tertiary);
  position: relative;
  z-index: 1;
}

.engine-manage-option:hover i {
  color: var(--color-interactive-primary);
}

/* ===== 搜索历史样式优化 ===== */

.search-history .overlay-content {
  padding: var(--spacing-md);
  max-height: 250px;
  min-height: 170px;
  overflow: visible;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-xs);
  border-bottom: 1px solid var(--theme-border-primary);
  background: var(--theme-glass-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.history-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--theme-text-primary);
}

.history-items {
  padding: var(--spacing-sm) 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  align-items: flex-start;
  position: relative;
  overflow: visible;
}

.history-item {
  background: var(--history-item-bg);
  border: 1px solid var(--history-item-bg);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-bottom: var(--spacing-xs);
  margin-right: var(--spacing-xs);
  font-size: var(--font-size-base);
  max-width: 120px;
  width: auto;
  flex-shrink: 0;
  color: var(--theme-text-primary);
  gap: var(--spacing-xs);
  overflow: visible;
  z-index: 1;
}

.history-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-medium);
  border-radius: inherit;
  z-index: -1;
}

.history-item:hover {
  background: var(--history-item-hover-bg);
  border-color: var(--history-item-hover-border);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
  color: var(--color-interactive-primary);
  z-index: 10;
}

.history-item:hover::before {
  opacity: 0.03;
}

.history-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.history-icon {
  font-size: 11px;
  color: inherit;
  width: 14px;
  text-align: center;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--transition-medium);
}

.history-item:hover .history-icon {
  opacity: 1;
}

.history-text {
  color: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

/* ===== 历史记录删除按钮优化 ===== */
.history-delete-btn {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--history-delete-bg, var(--theme-bg-surface));
  border: 1px solid var(--theme-border-primary);
  color: var(--theme-text-tertiary);
  cursor: pointer;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  transition: all var(--transition-medium);
  opacity: 0;
  box-shadow: var(--shadow-xs);
  z-index: 25;
  transform: scale(0.8);
  backdrop-filter: var(--glass-blur-sm);
}

.history-item:hover .history-delete-btn {
  opacity: 1;
  transform: scale(1);
  color: var(--theme-text-secondary);
}

.history-delete-btn:hover {
  background: var(--history-delete-hover-bg, var(--color-error));
  border-color: var(--history-delete-hover-border, var(--color-error));
  color: var(--text-on-primary) !important;
  transform: scale(1.1);
  box-shadow: 
    var(--shadow-xs),
    0 0 0 1px var(--primary-alpha-10);
}

.history-delete-btn:active {
  transform: scale(0.95);
  background: var(--history-delete-hover-bg, var(--color-error-dark));
  border-color: var(--history-delete-hover-border, var(--color-error-dark));
}

.history-delete-btn i {
  font-size: 10px;
  transition: transform var(--transition-fast);
}

.history-delete-btn:hover i {
  color: var(--history-delete-hover-border) !important;
  transform: scale(1.2);
}

.history-delete-btn:active i {
  color: var(--history-delete-hover-border) !important;
  transform: scale(0.9);
}

/* 清空历史按钮优化 */
.history-clear-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: transparent;
  border: 1px solid var(--theme-border-primary);
  border-radius: var(--border-radius-md);
  color: var(--theme-text-tertiary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.history-clear-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-medium);
  border-radius: inherit;
}

.history-clear-btn:hover {
  background: var(--history-delete-hover-bg);
  border-color: var(--history-delete-hover-border);
  color: var(--history-delete-hover-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.history-clear-btn:hover::before {
  opacity: 0.05;
}

.history-clear-btn:active {
  transform: translateY(0);
}

.history-clear-btn i {
  font-size: 12px;
  transition: transform var(--transition-medium);
}

.history-clear-btn:hover i {
  transform: scale(1.1);
}

/* ===== 搜索建议样式优化 ===== */

.search-suggestions .overlay-content {
  padding: 0;
  max-height: 310px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-primary) transparent;
}

.suggestion-items {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.suggestion-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-base) var(--spacing-lg);
  background: var(--suggestion-item-bg);
  border: none;
  border-bottom: 1px solid var(--suggestion-item-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--theme-text-primary);
  font-size: var(--font-size-lg);
  position: relative;
  overflow: hidden;
}

.suggestion-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

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

.suggestion-item:hover {
  background: var(--suggestion-item-hover-bg);
  border-bottom-color: var(--suggestion-item-hover-border);
  color: var(--color-interactive-primary);
}

.suggestion-item:hover::before {
  opacity: 0.03;
}

.suggestion-item i {
  font-size: 14px;
  color: inherit;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
  opacity: 0.7;
  position: relative;
  z-index: 1;
  transition: opacity var(--transition-medium);
}

.suggestion-item:hover i {
  opacity: 1;
}

.suggestion-item span {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  flex: 1;
  position: relative;
  z-index: 1;
}

/* ===== 滚动锁定样式 ===== */
body.search-overlay-open {
  overflow: hidden !important;
  position: fixed;
  width: 100%;
  height: 100%;
}

/* ===== 空状态样式 ===== */
.search-history .empty-state,
.search-suggestions .empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  color: var(--empty-state-color);
  text-align: center;
  gap: var(--spacing-md);
}

.search-history .empty-state i,
.search-suggestions .empty-state i {
  font-size: 32px;
  opacity: 0.5;
}

.search-history .empty-state h3,
.search-suggestions .empty-state h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--theme-text-primary);
  margin: 0;
}

.search-history .empty-state p,
.search-suggestions .empty-state p {
  font-size: var(--font-size-sm);
  max-width: 200px;
  line-height: 1.4;
  margin: 0;
  color: var(--theme-text-secondary);
}

/* ===== 响应式设计优化 ===== */
@media (max-width: 768px) {
  .search-container {
    min-width: 200px;
  }
  
  .search-box {
    padding: 0;
    gap: 0;
  }
  
  .search-engine-btn {
    padding: 0 var(--spacing-sm);
    min-width: 50px;
  }
  
  .engine-icon-container {
    width: 16px;
    height: 16px;
  }
  
  .search-input {
    padding: 0 var(--spacing-sm);
    font-size: var(--font-size-sm);
  }
  
  .search-btn {
    padding: 0 var(--spacing-md);
    min-width: 50px;
    font-size: var(--font-size-xs);
  }
  
  .engine-options {
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
  }
  
  .engine-option {
    width: 70px;
    height: 70px;
    padding: var(--spacing-sm);
  }
  
  .engine-option::before {
    top: 12px;
    width: 20px;
    height: 20px;
  }
  
  .engine-option span {
    font-size: 10px;
    margin-top: 24px;
  }
  
  .engine-manage-option i {
    font-size: 18px;
  }
  
  .history-item {
    max-width: 140px;
    min-width: 50px;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .history-text {
    font-size: var(--font-size-xs);
  }
  
  .history-delete-btn,
  .engine-delete-btn {
    width: 18px;
    height: 18px;
    top: -6px;
    right: -6px;
  }
  
  .history-delete-btn i,
  .engine-delete-btn i {
    font-size: 9px;
  }
}

@media (max-width: 480px) {
  .search-section {
    padding: 0 var(--spacing-sm);
  }
  
  .history-item {
    max-width: 120px;
    min-width: 40px;
  }
  
  .search-engine-btn span {
    display: none;
  }
  
  .search-engine-btn {
    min-width: 44px;
  }
  
  .search-btn {
    min-width: 44px;
  }
  
  .search-engine-btn .engine-name {
    display: none;
  }
  
  .engine-option {
    width: 65px;
    height: 65px;
  }
  
  .engine-option::before {
    top: 10px;
    width: 18px;
    height: 18px;
  }
  
  .engine-option span {
    margin-top: 22px;
    font-size: 9px;
  }
  
  .engine-delete-btn {
    top: -4px;
    right: -4px;
    width: 16px;
    height: 16px;
  }
  
  .engine-delete-btn i {
    font-size: 8px;
  }
}

/* ===== 设置变化适配 ===== */
.search-section.hidden {
  display: none !important;
}

.search-btn.hidden {
  display: none !important;
}

/* 当搜索按钮隐藏时的输入框圆角处理 */
.search-box:has(.search-btn.hidden) .search-input-wrapper {
  border-top-right-radius: var(--search-radius, 12px);
  border-bottom-right-radius: var(--search-radius, 12px);
}

/* 当只有引擎按钮时的圆角处理 */
.search-box:has(.search-engine-btn):not(:has(.search-btn)) .search-input-wrapper {
  border-top-right-radius: var(--search-radius, 12px);
  border-bottom-right-radius: var(--search-radius, 12px);
}

/* 当只有搜索按钮时的圆角处理 */
.search-box:has(.search-btn):not(:has(.search-engine-btn)) .search-input-wrapper {
  border-top-left-radius: var(--search-radius, 12px);
  border-bottom-left-radius: var(--search-radius, 12px);
}

/* ===== 焦点状态优化 ===== */
.search-input:focus {
  background: transparent;
}

.search-box:has(.search-input:focus) {
  border-color: var(--color-interactive-primary);
  background: var(--search-focus-bg);
  box-shadow: 
    0 12px 40px var(--primary-alpha-20),
    0 4px 12px var(--primary-alpha-10),
    var(--shadow-glow);
  transform: translateY(-2px);
}

/* ===== 触摸设备优化 ===== */
@media (hover: none) {
  .search-engines .overlay-content {
    -webkit-overflow-scrolling: touch;
  }
  
  .engine-options {
    padding-bottom: var(--spacing-sm);
  }
  
  .history-delete-btn,
  .engine-delete-btn {
    opacity: 0.7;
    transform: scale(0.9);
  }
  
  .history-item:active .history-delete-btn,
  .engine-option:active .engine-delete-btn {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===== 主题适配优化 ===== */
[data-theme="dark"] .history-delete-btn,
[data-theme="dark"] .engine-delete-btn {
  background: rgba(30, 41, 59, 0.9);
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .history-delete-btn:hover,
[data-theme="dark"] .engine-delete-btn:hover {
  background: var(--color-error);
  border-color: var(--color-error);
  color: white;
}

[data-theme="light"] .history-delete-btn,
[data-theme="light"] .engine-delete-btn {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(0, 0, 0, 0.1);
  color: rgba(0, 0, 0, 0.6);
}

[data-theme="light"] .history-delete-btn:hover,
[data-theme="light"] .engine-delete-btn:hover {
  background: var(--color-error);
  border-color: var(--color-error);
  color: white;
}

/* ===== 高对比度模式支持 ===== */
@media (prefers-contrast: high) {
  .search-box {
    border-width: 2px;
  }
  
  .search-engine-btn,
  .search-btn {
    border: 1px solid currentColor;
  }
  
  .engine-option,
  .history-item {
    border-width: 1px;
  }
  
  .search-engine-btn {
    border-right-width: 2px;
  }
  
  .search-btn {
    border-left-width: 2px;
  }
  
  .history-delete-btn,
  .engine-delete-btn {
    border-width: 2px;
    background: var(--theme-bg-surface);
  }
  
  .history-delete-btn:hover,
  .engine-delete-btn:hover {
    border-width: 3px;
  }
}

/* ===== 动画性能优化 ===== */
@media (prefers-reduced-motion: reduce) {
  .search-engine-btn,
  .search-btn,
  .engine-option,
  .history-item,
  .suggestion-item {
    transition: none;
  }
  
  .search-engine-btn.engine-changing {
    animation: none;
  }
  
  .search-btn::before {
    transition: none;
  }
  
  .history-delete-btn,
  .engine-delete-btn {
    transition: none;
  }
  
  .history-item:hover .history-delete-btn,
  .engine-option:hover .engine-delete-btn {
    animation: none;
  }
}

/* ===== 特殊状态处理 ===== */

/* 只有输入框时的样式 */
.search-box:has(.search-input-wrapper:only-child) {
  padding: 0 var(--spacing-md);
}

.search-box:has(.search-input-wrapper:only-child) .search-input {
  padding: 0;
}

/* 引擎按钮和搜索按钮同时存在时的分隔线优化 */
.search-box:has(.search-engine-btn):has(.search-btn) .search-input-wrapper {
  border-left: 1px solid var(--theme-border-secondary);
  border-right: 1px solid var(--theme-border-secondary);
}

/* 暗色主题下的分隔线优化 */
[data-theme="dark"] .search-engine-btn {
  border-right-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .search-btn {
  border-left-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .search-box:has(.search-engine-btn):has(.search-btn) .search-input-wrapper {
  border-left-color: rgba(255, 255, 255, 0.1);
  border-right-color: rgba(255, 255, 255, 0.1);
}

/* 亮色主题下的分隔线优化 */
[data-theme="light"] .search-engine-btn {
  border-right-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .search-btn {
  border-left-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .search-box:has(.search-engine-btn):has(.search-btn) .search-input-wrapper {
  border-left-color: rgba(0, 0, 0, 0.08);
  border-right-color: rgba(0, 0, 0, 0.08);
}

/* ===== 圆角动态适配 ===== */
.search-box,
.search-engine-btn:first-child,
.search-btn:last-child,
.search-box:has(.search-btn.hidden) .search-input-wrapper {
  border-top-left-radius: var(--search-radius, 12px);
  border-bottom-left-radius: var(--search-radius, 12px);
  border-top-right-radius: var(--search-radius, 12px);
  border-bottom-right-radius: var(--search-radius, 12px);
}

.search-engine-btn:first-child {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.search-btn:last-child {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.search-box:has(.search-engine-btn):has(.search-btn) .search-input-wrapper {
  border-radius: 0;
}

/* 圆角为0时的特殊处理 */
.search-box[style*="border-radius: 0px"],
.search-box[style*="border-radius: 0"] {
  border-radius: 0 !important;
}

/* ===== 滚动条优化 ===== */
.search-overlay .overlay-content::-webkit-scrollbar {
  width: 6px;
}

.search-overlay .overlay-content::-webkit-scrollbar-track {
  background: var(--theme-border-secondary);
  border-radius: 3px;
}

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

.search-overlay .overlay-content::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}

/* ===== 自定义引擎特殊样式 ===== */
.engine-option.custom {
  border-style: dashed;
  border-width: 1.5px;
}

/* 确保引擎选项容器允许溢出显示删除按钮 */
.engine-options {
  position: relative;
  overflow: visible;
}

.engine-option {
  overflow: visible;
}

/* ===== 网格容器模块 ===== */
.grid-container {
  width: 100%;
  max-width: var(--grid-max-width);
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

/* ===== 网格布局模块 ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, var(--site-icon-size));
  grid-auto-rows: var(--site-icon-size);
  gap: var(--site-spacing);
  justify-content: center;
  width: 100%;
  max-width: var(--grid-max-width);
  padding-top: 2vh;
  padding-bottom: 100px;
  min-height: 200px;
  align-items: start;
}

/* ===== 网格项基础模块 ===== */
.site-item,
.folder-item,
.component-item,
.add-site-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-medium);
  user-select: none;
  position: relative;
  margin: 0;
  transform-origin: center;
  backface-visibility: hidden;
  transform: translateZ(0);
  will-change: transform, opacity;
  box-sizing: border-box;
  grid-row: span 1;
}

.site-item,
.component-item,
.folder-item {
  cursor: grab;
  background: transparent;
  border: none;
}

/* ===== 尺寸系统模块 ===== */
.site-item.site-size-1x1,
.component-item.site-size-1x1,
.folder-item.site-size-1x1 {
  width: var(--site-icon-size);
  grid-column: span 1;
}

.site-item.site-size-1x2,
.component-item.site-size-1x2,
.folder-item.site-size-1x2 {
  width: calc(var(--site-icon-size) * 2 + var(--site-spacing));
  grid-column: span 2;
}

.site-item.site-size-2x1,
.component-item.site-size-2x1,
.folder-item.site-size-2x1 {
  width: var(--site-icon-size);
  grid-column: span 1;
  grid-row: span 2;
}

.site-item.site-size-2x2,
.component-item.site-size-2x2,
.folder-item.site-size-2x2 {
  width: calc(var(--site-icon-size) * 2 + var(--site-spacing));
  grid-column: span 2;
  grid-row: span 2;
}

.site-item.site-size-2x4,
.component-item.site-size-2x4,
.folder-item.site-size-2x4 {
  width: calc(var(--site-icon-size) * 4 + var(--site-spacing) * 3);
  grid-column: span 4;
  grid-row: span 2;
}

/* ===== 图标基础模块 ===== */
.site-icon,
.folder-icon {
  width: 100%;
  height: var(--site-icon-size);
  border-radius: var(--site-icon-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(var(--site-icon-size) * 0.3);
  color: var(--color-text-on-primary);
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-md);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: var(--site-icon-opacity);
  box-sizing: border-box;
  position: relative;
  box-shadow: 
    0 4px 12px var(--black-alpha-20),
    0 0 0 1px var(--black-alpha-5);
}

/* ===== 特殊尺寸图标模块 ===== */
.site-item.site-size-1x2 .site-icon,
.folder-item.site-size-1x2 .folder-icon,
.site-item.site-size-2x2 .site-icon,
.folder-item.site-size-2x2 .folder-icon,
.site-item.site-size-2x4 .site-icon,
.folder-item.site-size-2x4 .folder-icon {
  height: var(--site-icon-size);
  background-size: auto 90%;
  background-position: center;
}

.site-item.site-size-2x1 .site-icon,
.folder-item.site-size-2x1 .folder-icon {
  height: calc(var(--site-icon-size) * 2 + var(--site-spacing));
  background-size: 100% auto;
  background-position: center;
}

.site-item.site-size-2x2 .site-icon,
.folder-item.site-size-2x2 .folder-icon {
  height: calc(var(--site-icon-size) * 2 + var(--site-spacing));
  background-size: auto 60%;
  background-position: center;
}

.site-item.site-size-2x4 .site-icon,
.folder-item.site-size-2x4 .folder-icon {
  height: calc(var(--site-icon-size) * 2 + var(--site-spacing));
  background-size: contain;
  background-position: center;
}

/* ===== 文字图标样式模块 ===== */
.site-icon-text {
  font-weight: var(--font-weight-bold);
  font-size: calc(var(--site-icon-size) * 0.35); /* 基础字体大小 */
  text-align: center;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 90%; /* 防止溢出 */
  padding: 0 2px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-fast);
  transform-origin: center;
  display: block;
  box-sizing: border-box;
}

/* 1x1尺寸的特殊适配 */
.site-size-1x1 .site-icon-text {
  font-size: calc(var(--site-icon-size) * 0.3); /* 基础更小 */
  padding: 0 1px;
  max-width: 95%;
}

/* 1x1尺寸下不同字数的特殊处理 */
.site-size-1x1 .site-icon-text[data-chars="1"] {
  font-size: calc(var(--site-icon-size) * 0.42); /* 1个字: 放大显示 */
  letter-spacing: normal;
  font-weight: var(--font-weight-bold);
  line-height: 0.9;
}

.site-size-1x1 .site-icon-text[data-chars="2"] {
  font-size: calc(var(--site-icon-size) * 0.32); /* 2个字: 适中 */
  letter-spacing: -0.5px;
  line-height: 0.95;
}

.site-size-1x1 .site-icon-text[data-chars="3"] {
  font-size: calc(var(--site-icon-size) * 0.26); /* 3个字: 较小 */
  letter-spacing: -1.5px; /* 更紧密的字间距 */
  word-spacing: -3px; /* 更紧密的词间距 */
  line-height: 0.85;
  padding: 0; /* 移除内边距 */
  max-width: 98%; /* 最大宽度 */
}

/* 其他尺寸的文字图标适配 */
.site-size-1x2 .site-icon-text,
.site-size-2x1 .site-icon-text {
  font-size: calc(var(--site-icon-size) * 0.28); /* 1x2,2x1: 28% */
  letter-spacing: -0.3px;
}

.site-size-2x2 .site-icon-text {
  font-size: calc(var(--site-icon-size) * 0.26); /* 2x2: 26% */
  letter-spacing: -0.2px;
}

.site-size-2x4 .site-icon-text {
  font-size: calc(var(--site-icon-size) * 0.22); /* 2x4: 22% */
  letter-spacing: normal;
}

/* 其他尺寸下不同字数适配 */
.site-icon-text[data-chars="1"] {
  font-size: calc(var(--site-icon-size) * 0.48); /* 1个字: 放大显示 */
  letter-spacing: normal;
  font-weight: var(--font-weight-bold);
}

.site-icon-text[data-chars="2"] {
  font-size: calc(var(--site-icon-size) * 0.38); /* 2个字: 适中 */
  letter-spacing: -0.5px;
}

.site-icon-text[data-chars="3"] {
  font-size: calc(var(--site-icon-size) * 0.26); /* 3个字: 较小 */
  letter-spacing: -1px;
  word-spacing: -2px;
}

/* 文件夹中的文字图标适配 */
.folder-preview-1x1 .site-icon-text {
  font-size: calc(var(--site-icon-size) * 0.14);
  max-width: 90%;
  padding: 0;
}

.folder-preview-1x1 .site-icon-text[data-chars="3"] {
  font-size: calc(var(--site-icon-size) * 0.12);
  letter-spacing: -1px;
  word-spacing: -2px;
}

.folder-preview-1x2 .site-icon-text,
.folder-preview-2x1 .site-icon-text {
  font-size: calc(var(--site-icon-size) * 0.22);
}

.folder-preview-2x2 .site-icon-text,
.folder-preview-2x4 .site-icon-text {
  font-size: calc(var(--site-icon-size) * 0.26);
}

/* 文件夹预览项的字数适配 */
.folder-preview-item .site-icon-text[data-chars="1"] {
  font-size: calc(var(--site-icon-size) * 0.28);
}

.folder-preview-item .site-icon-text[data-chars="2"] {
  font-size: calc(var(--site-icon-size) * 0.2);
}

.folder-preview-item .site-icon-text[data-chars="3"] {
  font-size: calc(var(--site-icon-size) * 0.16);
}

/* 悬停效果 */
.site-item:hover .site-icon-text {
  transform: scale(1.05);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

/* ===== 文件夹图标模块 ===== */
.folder-icon {
  background: var(--theme-glass-secondary);
  backdrop-filter: var(--glass-blur-base);
  -webkit-backdrop-filter: var(--glass-blur-base);
  position: relative;
  overflow: hidden;
}

/* ===== 文件夹预览模块 ===== */
.folder-preview {
  display: grid;
  border-radius: inherit;
  pointer-events: none;
}

.folder-preview.folder-preview-1x1 {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: calc(var(--site-spacing) / 7.5);
}

.folder-preview.folder-preview-1x2 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 1fr;
  gap: calc(var(--site-spacing) / 5);
  align-items: center;
}

.folder-preview.folder-preview-2x1 {
  grid-template-columns: 1fr;
  grid-template-rows: repeat(3, 1fr);
  gap: calc(var(--site-spacing) / 5);
  align-items: center;
}

.folder-preview.folder-preview-2x2 {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: calc(var(--site-spacing) / 3);
}

.folder-preview.folder-preview-2x4 {
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: calc(var(--site-spacing) / 3) calc(var(--site-spacing) / 1.5);
}

.folder-item.size-changing {
  transition: all 0.3s ease-out;
  box-shadow: 0 0 15px rgba(66, 133, 244, 0.5);
  z-index: 100;
}

.folder-preview-item {
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
  box-shadow: var(--shadow-xs);
  cursor: pointer !important;
  pointer-events: auto !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* 拖拽到文件夹的视觉反馈 */
.drag-target-hover .folder-preview {
  animation: folderDropTarget 1s infinite alternate;
}

@keyframes folderDropTarget {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

/* 合并创建文件夹动画 */
.site-item.folder-creation,
.folder-item.folder-creation {
  animation: folderCreationFadeOut 0.3s ease forwards;
}

@keyframes folderCreationFadeOut {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.8); }
}

/* 文件夹尺寸变化动画 */
.folder-item.size-changing {
  animation: folderSizeChange 0.4s ease;
}

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

/* ===== 文件夹预览尺寸模块 ===== */
.folder-preview-1x1 .folder-preview-item {
  border-radius: calc(var(--site-icon-radius) / 3);
  width: calc(var(--site-icon-size) * 0.35);
  height: calc(var(--site-icon-size) * 0.35);
}

.folder-preview-1x2 .folder-preview-item {
  border-radius: calc(var(--site-icon-radius) / 2);
  width: calc(var(--site-icon-size) * 0.65);
  height: calc(var(--site-icon-size) * 0.65);
}

.folder-preview-2x1 .folder-preview-item {
  border-radius: calc(var(--site-icon-radius) / 2);
  width: calc(var(--site-icon-size) * 0.65);
  height: calc(var(--site-icon-size) * 0.65);
}

.folder-preview-2x2 .folder-preview-item {
  border-radius: calc(var(--site-icon-radius) / 1.2);
  width: calc(var(--site-icon-size) * 0.95);
  height: calc(var(--site-icon-size) * 0.95);
}

.folder-preview-2x4 .folder-preview-item {
  border-radius: calc(var(--site-icon-radius) / 1.2);
  width: calc(var(--site-icon-size) * 0.95);
  height: calc(var(--site-icon-size) * 0.95);
}

/* ===== 文件夹预览交互模块 ===== */
.folder-preview-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.folder-preview-1x1 .folder-preview-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.folder-preview-item span {
  font-weight: var(--font-weight-bold);
  text-shadow: 0 1px 2px var(--black-alpha-30);
}

.folder-preview-more {
  position: absolute;
  bottom: -5px;
  right: -5px;
  background: var(--theme-primary-text);
  color: var(--color-text-on-primary);
  font-size: 8px;
  font-weight: var(--font-weight-bold);
  width: 16px;
  height: 16px;
  border-radius: var(--border-radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  pointer-events: none;
  border: 1px solid var(--white-alpha-30);
  box-shadow: var(--shadow-xs);
}

/* ===== 智能拖曳样式模块 ===== */
.site-item.drag-target-hover,
.component-item.drag-target-hover,
.folder-item.drag-target-hover {
  transform: scale(1.03);
  transition: transform 0.2s ease;
  position: relative;
  z-index: 5;
}

.site-item.drag-target-hover::before,
.component-item.drag-target-hover::before,
.folder-item.drag-target-hover::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border: 2px solid var(--primary-alpha-40);
  border-radius: var(--border-radius-lg);
  pointer-events: none;
  z-index: -1;
  animation: hoverPulse 2s infinite;
}

.site-item.drag-target-merge,
.component-item.drag-target-merge,
.folder-item.drag-target-merge {
  animation: mergePulse 1.5s ease-in-out infinite;
  position: relative;
  z-index: 10;
}

.site-item.drag-target-merge::after,
.component-item.drag-target-merge::after,
.folder-item.drag-target-merge::after {
  content: '';
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border: 3px solid rgba(var(--color-success-rgb, 16, 185, 129), 0.5);
  border-radius: var(--border-radius-lg);
  pointer-events: none;
  z-index: -1;
  animation: mergeBorderPulse 2s infinite;
}

/* ===== 拖曳动画模块 ===== */
@keyframes hoverPulse {
  0%, 100% { 
    border-color: var(--primary-alpha-30);
    transform: scale(1);
  }
  50% { 
    border-color: var(--primary-alpha-60);
    transform: scale(1.02);
  }
}

@keyframes mergePulse {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(var(--color-success-rgb, 16, 185, 129), 0.2);
  }
  50% { 
    transform: scale(1.02);
    box-shadow: 0 0 0 4px rgba(var(--color-success-rgb, 16, 185, 129), 0.3);
  }
}

@keyframes mergeBorderPulse {
  0%, 100% { 
    border-color: rgba(var(--color-success-rgb, 16, 185, 129), 0.3);
  }
  50% { 
    border-color: rgba(var(--color-success-rgb, 16, 185, 129), 0.7);
  }
}

/* ===== 文件夹接受拖放模块 ===== */
.folder-item.drag-target-hover .folder-icon {
  background: var(--primary-alpha-10) !important;
  border: 2px dashed var(--primary-alpha-50);
}

/* ===== 站点标题模块 ===== */
.site-title {
  font-size: var(--site-name-size);
  font-weight: var(--font-weight-medium);
  text-align: center;
  line-height: 1.1;
  max-width: calc(var(--site-icon-size) + var(--site-icon-size) / 2);
  height: var(--site-title-height);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--site-name-color);
  margin-top: 0;
  padding: 0 2px;
  box-sizing: border-box;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  word-break: break-word;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.site-item.site-size-1x2 .site-title,
.component-item.site-size-1x2 .site-title,
.folder-item.site-size-1x2 .site-title,
.site-item.site-size-2x2 .site-title,
.component-item.site-size-2x2 .site-title,
.folder-item.site-size-2x2 .site-title {
  max-width: calc(var(--site-icon-size) * 2 + var(--site-spacing));
}

.site-item.site-size-2x4 .site-title,
.component-item.site-size-2x4 .site-title,
.folder-item.site-size-2x4 .site-title {
  max-width: calc(var(--site-icon-size) * 4 + var(--site-spacing) * 3);
}

/* ===== 悬停效果模块 ===== */
.site-item:hover .site-icon,
.folder-item:hover .folder-icon {
  transform: translateY(-2px) scale(1.05);
  transition: transform 0.2s ease, box-shadow 0.3s ease;
  box-shadow: 
    0 8px 25px var(--icon-shadow, var(--black-alpha-30)),
    0 4px 15px var(--icon-shadow, var(--black-alpha-20)),
    0 0 0 1px var(--white-alpha-10);
}

.site-item:hover .site-title {
  transform: translateY(-2px);
  transition: transform 0.2s ease;
}

/* ===== 添加站点按钮模块 ===== */
.add-site-btn {
  cursor: pointer;
  background: transparent;
  border: none;
  width: var(--site-icon-size);
  color: var(--color-text-secondary);
}

.add-site-btn:hover {
  background: transparent;
  transform: none;
}

.add-site-icon {
  width: 100%;
  height: var(--site-icon-size);
  border-radius: var(--site-icon-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(var(--site-icon-size) * 0.3);
  background: var(--add-site-icon-bg);
  backdrop-filter: var(--glass-blur-base, blur(10px));
  -webkit-backdrop-filter: var(--glass-blur-base, blur(10px));
  border: 1px solid var(--add-site-btn-border);
  color: var(--theme-glass-secondary);
  transition: all var(--transition-medium);
  box-shadow: 
    0 4px 12px var(--black-alpha-8),
    inset 0 1px 0 var(--white-alpha-30),
    inset 0 -1px 0 var(--black-alpha-10);
}

.add-site-btn:hover .add-site-icon {
  transform: translateY(-2px) scale(1.05);
  background: var(--add-site-icon-hover-bg, var(--white-alpha-15));
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  box-shadow: 
    0 8px 25px var(--black-alpha-12),
    0 4px 15px var(--primary-alpha-8),
    inset 0 1px 0 var(--white-alpha-50),
    inset 0 -1px 0 var(--black-alpha-5);
}

.add-site-icon i {
  font-size: calc(var(--site-icon-size) * 0.35);
  opacity: 0.7;
  transition: all var(--transition-medium);
}

.add-site-btn:hover .add-site-icon i {
  transform: scale(1.15);
  opacity: 1;
  color: var(--color-primary);
}

.add-site-btn.removing {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* ===== 拖曳状态模块 ===== */
.site-item.dragging,
.component-item.dragging,
.folder-item.dragging {
  position: relative !important;
  z-index: 9999;
  opacity: 0.5;
  cursor: grabbing !important;
  background: transparent !important;
  transform: none !important;
  box-shadow: none !important;
}

.site-item.dragging .site-icon,
.folder-item.dragging .folder-icon {
  animation: dragPulse 0.5s var(--ease-out) infinite alternate;
  box-shadow: 
    0 15px 30px var(--black-alpha-20),
    0 8px 25px var(--icon-shadow, var(--black-alpha-30)),
    0 0 0 1px var(--white-alpha-10);
  transform: scale(1.06) rotate(5deg);
}

@keyframes dragPulse {
  0% { 
    transform: scale(1.03) rotate(3deg);
    box-shadow: 
      0 12px 25px var(--black-alpha-20),
      0 6px 20px var(--icon-shadow, var(--black-alpha-30));
  }
  100% { 
    transform: scale(1.06) rotate(5deg);
    box-shadow: 
      0 18px 35px var(--black-alpha-25),
      0 10px 30px var(--icon-shadow, var(--black-alpha-35));
  }
}

/* ===== 排序相关样式模块 ===== */
.sortable-ghost {
  position: relative !important;
  opacity: 0.6;
  border-radius: var(--border-radius-lg);
}

.sortable-drag {
  position: relative !important;
  opacity: 0.4;
  z-index: 10000;
  cursor: grabbing !important;
  box-shadow: 
    0 20px 40px var(--black-alpha-25),
    0 0 0 1px var(--white-alpha-15);
}

.grid .site-item .squeeze,
.grid .component-item .squeeze,
.grid .folder-item .squeeze {
  transition: transform 0.5s ease-out;
}

.grid .site-item:not(.dragging):not(.sortable-ghost),
.grid .component-item:not(.dragging):not(.sortable-ghost),
.grid .folder-item:not(.dragging):not(.sortable-ghost) {
  transition: filter 0.5s ease;
}

/* ===== 拖曳时的悬停抑制模块 ===== */
.grid:has(.site-item.dragging) .site-item:not(.dragging):hover,
.grid:has(.site-item.dragging) .folder-item:not(.dragging):hover,
.grid:has(.folder-item.dragging) .site-item:not(.dragging):hover,
.grid:has(.folder-item.dragging) .folder-item:not(.dragging):hover {
  background: transparent !important;
  transform: none !important;
  box-shadow: none !important;
}

.grid:has(.site-item.dragging) .site-item:not(.dragging):hover .site-icon,
.grid:has(.site-item.dragging) .folder-item:not(.dragging):hover .folder-icon,
.grid:has(.folder-item.dragging) .site-item:not(.dragging):hover .site-icon,
.grid:has(.folder-item.dragging) .folder-item:not(.dragging):hover .folder-icon {
  transform: none !important;
  box-shadow: var(--shadow-md) !important;
}

.grid:has(.sortable-ghost) .site-item:not(.dragging):hover,
.grid:has(.sortable-ghost) .folder-item:not(.dragging):hover {
  background: transparent !important;
  transform: none !important;
  box-shadow: none !important;
}

.grid:has(.sortable-ghost) .site-item:not(.dragging):hover .site-icon,
.grid:has(.sortable-ghost) .folder-item:not(.dragging):hover .folder-icon {
  transform: none !important;
  box-shadow: var(--shadow-md) !important;
}

/* ===== 特殊拖曳动画模块 ===== */
.site-item.drag-cross-page,
.component-item.drag-cross-page,
.folder-item.drag-cross-page {
  animation: crossPagePulse 1.5s ease-in-out infinite;
  border: 2px solid var(--color-success);
}

@keyframes crossPagePulse {
  0%, 100% {
    border-color: var(--color-success);
    box-shadow: 0 0 20px rgba(var(--color-success-rgb, 16, 185, 129), 0.2);
  }
  50% {
    border-color: rgba(var(--color-success-rgb, 16, 185, 129), 0.7);
    box-shadow: 0 0 30px rgba(var(--color-success-rgb, 16, 185, 129), 0.3);
  }
}

.site-item.drag-to-folder {
  animation: dragToFolder 0.5s ease-out forwards;
}

@keyframes dragToFolder {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0.5);
  }
}

.site-item.folder-creation {
  animation: folderCreation 0.5s ease-out forwards;
}

@keyframes folderCreation {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
  100% {
    opacity: 0;
    transform: scale(0) rotate(180deg);
  }
}

/* ============================================
   编辑模式 - 删除功能样式系统
============================================= */

/* ===== 删除按钮基础样式 ===== */
.site-icon .item-delete-btn,
.folder-icon .item-delete-btn,
.component-item .item-delete-btn {
  position: absolute !important;
  top: -8px !important;
  right: -8px !important;
  width: 20px !important;
  height: 20px !important;
  border-radius: var(--border-radius-round) !important;
  background: rgba(var(--theme-primary-rgb), 0.9) !important;
  color: var(--white-alpha-95) !important;
  border: 1px solid var(--white-alpha-90) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  font-size: 12px !important;
  box-shadow: var(--shadow-md) !important;
  transition: all var(--transition-fast) !important;
  z-index: 100 !important;
  opacity: 0.9 !important;
  padding: 0 !important;
  margin: 0 !important;
  line-height: 1 !important;
  transform: none !important;
  backface-visibility: hidden;
  -webkit-font-smoothing: antialiased;
  pointer-events: auto !important;
}

/* 按钮悬停状态 */
.site-icon .item-delete-btn:hover,
.folder-icon .item-delete-btn:hover,
.component-item .item-delete-btn:hover {
  transform: scale(1.15) !important;
  background: rgba(var(--theme-primary-rgb), 0.98) !important;
  opacity: 1 !important;
  box-shadow: 
    0 3px 12px var(--black-alpha-25),
    0 0 0 2px rgba(var(--theme-primary-rgb), 0.2) !important;
  border-color: var(--white-alpha-95) !important;
}

/* 按钮激活状态 */
.site-icon .item-delete-btn:active,
.folder-icon .item-delete-btn:active,
.component-item .item-delete-btn:active {
  transform: scale(0.95) !important;
}

/* 按钮焦点状态 */
.site-icon .item-delete-btn:focus,
.folder-icon .item-delete-btn:focus,
.component-item .item-delete-btn:focus {
  outline: none !important;
  box-shadow: 
    0 0 0 2px rgba(var(--theme-primary-rgb), 0.4), 
    0 2px 8px var(--black-alpha-20) !important;
}

/* 删除按钮图标 */
.item-delete-btn i {
  font-size: var(--font-size-base) !important;
  line-height: 1 !important;
  margin: 0 !important;
  padding: 0 !important;
  display: block !important;
  font-weight: var(--font-weight-semibold) !important;
  transform: scale(1.1);
}

/* ===== 文件夹特殊处理 ===== */
.folder-icon {
  position: relative !important;
  overflow: visible !important;
}

.folder-icon .item-delete-btn {
  z-index: 1000 !important;
}

.folder-preview {
  position: relative;
  z-index: 1;
}

.folder-preview-item {
  z-index: 1 !important;
}

.folder-item.edit-mode-item .folder-icon {
  position: relative;
  z-index: 10;
}

.folder-item.edit-mode-item .item-delete-btn {
  z-index: 101 !important;
}

/* 不同尺寸文件夹按钮微调 */
.folder-item.site-size-1x2 .folder-icon,
.folder-item.site-size-2x1 .folder-icon,
.folder-item.site-size-2x2 .folder-icon,
.folder-item.site-size-2x4 .folder-icon {
  position: relative !important;
  overflow: visible !important;
}

.folder-item.site-size-1x2 .item-delete-btn,
.folder-item.site-size-2x2 .item-delete-btn,
.folder-item.site-size-2x4 .item-delete-btn {
  top: -10px !important;
  right: -10px !important;
}

/* ===== 天气组件特殊处理 ===== */
.component-item .item-delete-btn {
  z-index: 1000 !important;
}

.component-item[data-component-type="weather"] .widget-weather-content {
  overflow: hidden !important;
  border-radius: var(--site-icon-radius) !important;
}

/* ===== 编辑模式状态样式 ===== */
.edit-mode-item {
  position: relative !important;
}

.component-item.edit-mode-item {
  position: relative !important;
  overflow: visible !important;
  z-index: 5 !important;
}

/* 不同尺寸组件按钮微调 */
.site-size-2x2 .component-item .item-delete-btn,
.site-size-2x4 .component-item .item-delete-btn {
  top: -10px !important;
  right: -10px !important;
}

/* ===== 主题色脉冲动画 ===== */
@keyframes editModePulseTheme {
  0%, 100% {
    filter: brightness(0.95);
    box-shadow: 
      0 0 0 1px rgba(var(--theme-primary-rgb), 0.3),
      0 0 0 0 rgba(var(--theme-primary-rgb), 0.1);
  }
  50% {
    filter: brightness(1.05);
    box-shadow: 
      0 0 0 2px rgba(var(--theme-primary-rgb), 0.5),
      0 0 0 6px rgba(var(--theme-primary-rgb), 0.15);
  }
}


/* 只对组件的外层卡片应用动画，不对内部元素应用 */
.component-item.edit-mode-item .widget-weather-card,
.component-item.edit-mode-item .widget-calendar-card,
.component-item.edit-mode-item .widget-hot-card,
.component-item.edit-mode-item [class*="widget-card"] {
  animation: editModePulseTheme 1.5s ease-in-out infinite;
  border-radius: var(--site-icon-radius);
  will-change: filter, box-shadow;
  transform: none !important;
}

/* 同时确保内部元素不继承动画 */
.component-item.edit-mode-item .widget-weather-card > *,
.component-item.edit-mode-item .widget-calendar-card > *,
.component-item.edit-mode-item .widget-hot-card > *,
.component-item.edit-mode-item [class*="widget-card"] > * {
  animation: none !important;
}

/* 原有站点和文件夹样式保持不变 */
.edit-mode-item .site-icon,
.edit-mode-item .folder-icon {
  animation: editModePulseTheme 1.5s ease-in-out infinite;
  border-radius: var(--site-icon-radius);
  will-change: filter, box-shadow;
  transform: none !important;
}

/* 不同尺寸组件按钮微调 */
.site-size-2x2 .component-item .item-delete-btn,
.site-size-2x4 .component-item .item-delete-btn {
  top: -10px !important;
  right: -10px !important;
}

/* ===== 删除动画 ===== */
@keyframes itemDeleteFadeOut {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.95);
  }
  100% {
    opacity: 0;
    transform: scale(0.9);
  }
}

.deleting {
  animation: itemDeleteFadeOut 0.3s ease-out forwards !important;
  opacity: 1;
}

/* ===== 性能优化 ===== */
.edit-mode-item .site-icon,
.edit-mode-item .folder-icon,
.component-item.edit-mode-item .widget-weather-card {
  backface-visibility: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== 响应式调整 ===== */
@media (max-width: 768px) {
  .site-icon .item-delete-btn,
  .folder-icon .item-delete-btn,
  .component-item[data-component-type="weather"] .item-delete-btn {
    top: -6px !important;
    right: -6px !important;
    width: 18px !important;
    height: 18px !important;
  }
  
  .item-delete-btn i {
    font-size: 0.95em !important;
  }
  
  .folder-item.site-size-1x2 .item-delete-btn,
  .folder-item.site-size-2x2 .item-delete-btn,
  .folder-item.site-size-2x4 .item-delete-btn,
  .site-size-2x2 .component-item[data-component-type="weather"] .item-delete-btn,
  .site-size-2x4 .component-item[data-component-type="weather"] .item-delete-btn {
    top: -8px !important;
    right: -8px !important;
  }
}

/* ===== 无障碍访问优化 ===== */
.item-delete-btn:focus-visible {
  outline: 2px solid var(--theme-primary) !important;
  outline-offset: 2px !important;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
  .edit-mode-item .site-icon,
  .edit-mode-item .folder-icon,
  .component-item.edit-mode-item .widget-weather-card {
    animation: editModePulseTheme 1.5s ease-in-out infinite;
    box-shadow: 
      0 0 0 2px rgba(var(--theme-primary-rgb), 0.8) !important;
  }
  
  .site-icon .item-delete-btn,
  .folder-icon .item-delete-btn,
  .component-item[data-component-type="weather"] .item-delete-btn {
    border: 2px solid currentColor !important;
  }
}

/* ===== 主题色浅色模式增强 ===== */
[data-theme="light"] .edit-mode-item .site-icon,
[data-theme="light"] .edit-mode-item .folder-icon,
[data-theme="light"] .component-item.edit-mode-item .widget-weather-card {
  animation: editModePulseTheme 1.5s ease-in-out infinite;
}

/* ===== 主题色深色模式增强 ===== */
[data-theme="dark"] .edit-mode-item .site-icon,
[data-theme="dark"] .edit-mode-item .folder-icon,
[data-theme="dark"] .component-item.edit-mode-item .widget-weather-card {
  animation: editModePulseTheme 1.5s ease-in-out infinite;
  box-shadow: 
    0 0 0 1px rgba(var(--theme-primary-rgb), 0.4),
    0 0 0 0 rgba(var(--theme-primary-rgb), 0.2) !important;
}

[data-theme="dark"] .site-icon .item-delete-btn,
[data-theme="dark"] .folder-icon .item-delete-btn,
[data-theme="dark"] .component-item[data-component-type="weather"] .item-delete-btn {
  border-color: rgba(255, 255, 255, 0.8) !important;
}

/* ===== 空状态模块 ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  color: var(--color-text-on-secondary);
  text-align: center;
  grid-column: 1 / -1;
  min-height: 200px;
  opacity: 0.8;
}

.empty-state i {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-on-secondary);
}

.empty-state p {
  margin: 0;
  font-size: var(--font-size-sm);
}

.empty-state .empty-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-on-secondary);
  margin-top: var(--spacing-sm);
}

/* ===== 页面容器模块 ===== */
.pages-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  height: calc(100vh - var(--header-height) - var(--search-height) - var(--footer-height));
  min-height: 300px;
  isolation: isolate;
  min-width: 100%;
  transform: translateZ(0);
}

.page {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  padding: var(--spacing-md) var(--spacing-xs) var(--footer-height);
  animation-fill-mode: both;
  backface-visibility: hidden;
  transform-style: preserve-3d;
  will-change: transform, opacity;
  transform: translateZ(0);
  z-index: 1;
  display: flex !important;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  overflow-x: hidden;
}

.page.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 2;
  transform: translateY(0) scale(1);
  display: flex !important;
}

.page.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 1;
  display: none !important;
}

.page.animating {
  opacity: 1;
  visibility: visible;
  pointer-events: none;
  z-index: 3;
  display: flex !important;
}

/* ===== 页面滚动条隐藏 ===== */
.page::-webkit-scrollbar {
  display: none;
}

.page {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ===== 页面指示器 ===== */
.page-indicator {
  position: fixed;
  bottom: 20vh;
  left: 50%;
  transform: translateX(-50%) translateZ(0);
  display: var(--page-indicator-display, flex);
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  z-index: var(--z-index-fixed);
  background: var(--page-indicator-bg, rgba(255, 255, 255, 0.08));
  backdrop-filter: var(--page-indicator-blur, blur(12px));
  -webkit-backdrop-filter: var(--page-indicator-blur, blur(12px));
  padding: var(--spacing-xsm) var(--spacing-xsm);
  border-radius: var(--border-radius-pill);
  border: 1px solid var(--page-indicator-border, rgba(255, 255, 255, 0.05));
  box-shadow: var(--page-indicator-shadow, 0 2px 8px rgba(0, 0, 0, 0.05));
  transition: all var(--transition-medium);
  will-change: transform, opacity;
  pointer-events: auto;
  animation: indicatorSubtleFadeIn 0.4s var(--ease-out);
}

.page-dot {
  width: var(--page-dot-size, 6px);
  height: var(--page-dot-size, 6px);
  border-radius: var(--border-radius-round);
  background: var(--page-dot-bg, rgba(255, 255, 255, 0.25));
  transition: all var(--transition-medium);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transform: scale(1);
  will-change: transform, background;
}

.page-dot:hover {
  background: var(--page-dot-hover-bg, rgba(255, 255, 255, 0.4));
  transform: scale(1.15);
}

.page-dot.active {
  background: var(--theme-primary);
  transform: scale(1.3);
  box-shadow: 
    0 0 0 1px rgba(var(--theme-primary-rgb), 0.1),
    0 0 0 0 rgba(var(--theme-primary-rgb), 0);
  animation: activeDotSubtlePulse 3s ease-in-out infinite;
}

.page-dot::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  opacity: 0;
  transition: opacity 0.3s ease, left 0.5s ease;
}

.page-dot:hover::before {
  opacity: 1;
  left: 100%;
}

.page-dot.active::before {
  opacity: 0.3;
}

@keyframes indicatorSubtleFadeIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(8px) translateZ(0);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0) translateZ(0);
  }
}

@keyframes activeDotSubtlePulse {
  0%, 100% {
    box-shadow: 
      0 0 0 1px rgba(var(--theme-primary-rgb), 0.1),
      0 0 0 0 rgba(var(--theme-primary-rgb), 0);
  }
  50% {
    box-shadow: 
      0 0 0 1px rgba(var(--theme-primary-rgb), 0.1),
      0 0 0 3px rgba(var(--theme-primary-rgb), 0.05);
  }
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
  .page-indicator {
    bottom: 18vh;
    padding: 6px 12px;
    gap: 8px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  
  .page-dot {
    --page-dot-size: 5px;
  }
  
  .page-dot.active {
    transform: scale(1.25);
  }
}

@media (max-width: 480px) {
  .page-indicator {
    bottom: 16vh;
    padding: 5px 10px;
    gap: 6px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  
  .page-dot {
    --page-dot-size: 4px;
  }
}

/* ===== 特殊状态处理 ===== */

/* 拖拽时的指示器 */
.grid:has(.site-item.dragging) ~ .page-indicator,
.grid:has(.folder-item.dragging) ~ .page-indicator {
  opacity: 0.2;
  transform: translateX(-50%) translateY(5px) scale(0.95);
}

/* 编辑模式 */
body.edit-mode .page-indicator {
  opacity: 0.15;
  pointer-events: none;
}

/* 搜索模式 */
body.search-active .page-indicator {
  opacity: 0.1;
  transform: translateX(-50%) translateY(5px);
}

/* ===== 无障碍访问优化 ===== */

/* 键盘焦点状态 */
.page-dot:focus-visible {
  outline: 1px solid var(--theme-primary);
  outline-offset: 2px;
  border-radius: var(--border-radius-round);
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
  .page-indicator,
  .page-dot,
  .page-dot::before {
    transition: none !important;
    animation: none !important;
  }
  
  .page-indicator {
    animation: none;
  }
  
  .page-dot.active {
    animation: none;
    transform: scale(1.3);
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .page-indicator {
    background: rgba(var(--theme-primary-rgb), 0.1);
    border: 1px solid var(--theme-border-primary);
  }
  
  .page-dot {
    background: var(--theme-text-secondary);
    border: 1px solid currentColor;
  }
  
  .page-dot.active {
    background: var(--theme-primary);
    border: 1px solid currentColor;
  }
}

/* ===== 响应式设计模块 ===== */

/* 平板设备 */
@media (max-width: 768px) {
  :root {
    --site-icon-size: 55px;
    --site-spacing: 15px;
  }
  
  .grid {
    grid-template-columns: repeat(auto-fill, var(--site-icon-size));
    gap: var(--site-spacing);
    padding: var(--site-spacing);
  }
  
  .site-item.site-size-1x2,
  .folder-item.site-size-1x2 {
    grid-column: span 2;
  }
  
  .site-item.site-size-2x2,
  .folder-item.site-size-2x2 {
    grid-column: span 2;
    grid-row: span 2;
  }
  
  .site-item.site-size-2x4,
  .folder-item.site-size-2x4 {
    grid-column: span 2;
    grid-row: span 2;
  }
  
  .site-item.drag-target-hover::before,
  .folder-item.drag-target-hover::before,
  .site-item.drag-target-merge::after,
  .folder-item.drag-target-merge::after {
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
  }
}

/* 手机设备 */
@media (max-width: 480px) {
  :root {
    --site-icon-size: 50px;
    --site-spacing: 12px;
    --site-name-size: var(--font-size-xs);
  }
  
  .grid {
    grid-template-columns: repeat(4, var(--site-icon-size));
    gap: var(--site-spacing);
    padding: var(--site-spacing);
  }
  
  .site-item[class*="site-size-"]:not(.site-size-1x1),
  .folder-item[class*="site-size-"]:not(.site-size-1x1) {
    width: var(--site-icon-size);
    grid-column: span 1;
    grid-row: span 1;
  }
  
  .site-item[class*="site-size-"]:not(.site-size-1x1) .site-icon,
  .folder-item[class*="site-size-"]:not(.site-size-1x1) .folder-icon {
    width: var(--site-icon-size);
    height: var(--site-icon-size);
  }
  
  .folder-preview-item {
    min-width: 20px;
    min-height: 20px;
  }
}

/* 小屏幕手机 */
@media (max-width: 320px) {
  :root {
    --site-icon-size: 45px;
    --site-spacing: 10px;
    --site-name-size: var(--font-size-xxs);
  }
  
  .grid {
    grid-template-columns: repeat(3, var(--site-icon-size));
    gap: var(--site-spacing);
    padding: var(--site-spacing);
  }
}


/* ===== 底部信息区域 ===== */
.footer {
  position: absolute;
  bottom: 10px;
  text-align: center;
  margin: 0 auto;
  width: 100%;
  color: var(--theme-text-glass-primary);
  height: auto;
  line-height: 20px;
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  padding: 0;
  box-sizing: border-box;
  z-index: 10;
  transition: bottom 0.3s ease;
}

/* 底部链接样式 */
.footer a {
  text-decoration: none;
  color: var(--theme-primary-text);
  transition: color 0.2s ease;
}

.footer a:hover {
  color: var(--theme-primary-text-hover);
}

.footer a:active {
  color: var(--theme-primary-text-active);
}

/* 底部LOGO区域 */
.footer .foot-sitetitle {
  font-weight: 700;
  font-size: 1.875rem;
  line-height: 1.1;
  text-align: center;
  background-color: transparent;
  order: 1;
  margin: 0;
  width: 100%;
  display: block;
}

/* 分隔线 */
.footer .border-white {
  width: 200px;
  margin: 0 auto;
  border-color: var(--theme-glass-secondary);
  border-width: 1px;
  border-style: solid;
  order: 2;
  display: block;
}

/* Copyright区域 */
.footer .foot-copyright {
  grid-auto-flow: column dense;
  place-items: center;
  text-align: center;
  padding: 0;
  padding-bottom: 0;
  background-color: transparent;
  order: 3;
  margin: 0;
  width: 100%;
  display: block;
  line-height: 1.1;
  font-size: 0.875rem;
}

/* ICP备案区域 */
.footer .foot-tcp {
  align-items: center;
  animation-delay: .5s;
  animation-duration: .5s;
  animation-fill-mode: backwards;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  background-color: var(--black-alpha-10);
  border-radius: 11px;
  color: var(--theme-text-glass-primary);
  display: inline-flex;
  font-size: 12px;
  line-height: 1;
  padding: 5px 5px 5px 8px;
  white-space: nowrap;
  opacity: 0.8;
  order: 4;
  margin: 0 auto;
  position: relative;
  left: auto;
  bottom: auto;
  transform: none;
  width: auto;
  box-sizing: border-box;
}

/* 分隔符样式 */
.footer .separated {
  color: var(--theme-text-glass-primary);
  opacity: 0.4;
  margin: 0 4px;
}

/* ICP链接样式 */
.footer .foot-tcp-text {
  color: inherit;
  text-decoration: none;
  transition: .25s;
  opacity: 0.8;
}

.footer .foot-tcp-text:focus-visible,
.footer .foot-tcp-text:hover {
  color: var(--theme-text-glass-primary);
  opacity: 1;
}

.footer .foot-tcp-text:active {
  opacity: 0.9;
}

/* ICP关闭按钮 */
.foot-tcp-btn {
  align-items: center;
  background: var(--white-alpha-10);
  border: none;
  border-radius: 50%;
  color: inherit;
  cursor: pointer;
  display: flex;
  font-size: inherit;
  width: 14px;
  height: 14px;
  margin-left: 5px;
  justify-content: center;
  padding: 0;
  transition: .25s;
  opacity: 0.7;
  flex-shrink: 0;
}

.foot-tcp-btn:focus-visible,
.foot-tcp-btn:hover {
  background-color: var(--white-alpha-20);
  color: var(--theme-text-glass-primary);
  opacity: 1;
}

.foot-tcp-btn:active {
  opacity: .6;
}

/* SVG图标样式 */
.foot-tcp-btn svg {
  display: inline-block;
  height: 1em;
  overflow: visible;
  vertical-align: -0.125em;
}

/* 每日一言区域 */
.celebrity-quote {
  order: 5;
  margin-top: 0.75rem;
  width: 100%;
  max-width: 800px;
  opacity: 0.9;
  transition: opacity 0.3s ease;
  display: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .footer {
    bottom: 100px;
    gap: 0.25rem;
    padding: 0.25rem 0;
  }
  
  .footer .foot-sitetitle {
    font-size: 1.5rem;
    line-height: 2rem;
    padding: 0.75rem;
  }
  
  .footer .border-white {
    width: 160px;
    margin: 0.25rem auto;
  }
  
  .footer .foot-copyright {
    padding: 0.5rem;
    font-size: 0.8125rem;
    line-height: 1.4;
  }
  
  .footer .foot-tcp {
    font-size: 11px;
    padding: 4px 4px 4px 6px;
    margin: 0.25rem auto 0;
  }
  
  .foot-tcp-btn {
    height: 14px;
    width: 14px;
    margin-left: 4px;
  }
  
  .celebrity-quote {
    max-width: 600px;
    margin-top: 0.5rem;
  }
}

@media (max-width: 480px) {
  .footer {
    bottom: 90px;
    gap: 0.125rem;
  }
  
  .footer .foot-sitetitle {
    font-size: 1.25rem;
    line-height: 1.75rem;
    padding: 0.5rem;
  }
  
  .footer .border-white {
    width: 120px;
    margin: 0.125rem auto;
  }
  
  .footer .foot-copyright {
    padding: 0.25rem;
    font-size: 0.75rem;
    line-height: 1.3;
  }
  
  .footer .foot-tcp {
    font-size: 10px;
    padding: 3px 3px 3px 5px;
    margin: 0.125rem auto 0;
  }
  
  .footer .separated {
    margin: 0 2px;
  }
  
  .foot-tcp-btn {
    height: 12px;
    width: 12px;
    margin-left: 3px;
  }
  
  .celebrity-quote {
    max-width: 100%;
    margin-top: 0.375rem;
    padding: 0 0.5rem;
  }
}

@media (max-width: 320px) {
  .footer {
    bottom: 80px;
  }
  
  .footer .foot-sitetitle {
    font-size: 1.125rem;
    line-height: 1.5rem;
  }
  
  .footer .border-white {
    width: 100px;
  }
  
  .footer .foot-copyright {
    font-size: 0.6875rem;
  }
  
  .footer .foot-tcp {
    font-size: 9px;
    padding: 2px 2px 2px 4px;
    white-space: normal;
    max-width: 280px;
  }
  
  .celebrity-quote {
    margin-top: 0.25rem;
  }
}

/* 打印样式 */
@media print {
  .footer {
    position: static;
    bottom: auto;
    color: #000;
    border-top: 1px solid #ccc;
    margin-top: 20px;
    padding-top: 10px;
  }
  
  .footer .foot-tcp {
    background-color: transparent;
    backdrop-filter: none;
    border: 1px solid #ccc;
  }
  
  .footer a {
    color: #000;
    text-decoration: underline;
  }
  
  .celebrity-quote {
    display: none;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .footer {
    border-top: 2px solid currentColor;
  }
  
  .footer .border-white {
    border-width: 2px;
  }
  
  .footer .foot-tcp {
    border: 2px solid currentColor;
    background-color: transparent;
  }
  
  .foot-tcp-btn {
    border: 1px solid currentColor;
  }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
  .footer,
  .footer.position-adjusted {
    transition: none !important;
  }
  
  .footer .foot-tcp {
    animation: none !important;
  }
}

/* ===== 完整布局每日一言（迷你版）===== */
.sentence-mini {
  display: none;
  order: 5;
  align-items: center;
  justify-content: center;
  margin: 0 0 0.15rem;
  width: 100%;
  opacity: 0.85;
  transition: opacity 0.3s ease;
  position: relative;
}

html:not([data-layout="simple"]) .sentence-mini {
  display: flex;
  justify-content: center;
}

.sentence-mini-content-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px 2px 5px;
  background: var(--white-alpha-15);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  background: transparent;
  transition: all 0.3s ease;
  width: auto;
  max-width: 500px;
  min-width: 300px;
  position: relative;
}

.sentence-mini-content-wrapper:hover {
  background-color: var(--white-alpha-20);
}

.sentence-mini-content {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  justify-content: center;
  text-align: center;
  /* 确保内容在容器内 */
  max-width: 100%;
  overflow: hidden;
}

.sentence-mini-text {
  font-size: 0.85rem;
  line-height: 1.2;
  color: var(--theme-text-glass-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  font-family: 'Noto Serif SC', serif;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  /* 限制最大宽度 */
  max-width: 480px;
}

.sentence-mini-text:hover {
  color: var(--theme-text-glass-primary);
  opacity: 0.9;
}

.sentence-mini-separator {
  color: var(--theme-text-glass-secondary);
  opacity: 0.5;
  font-size: 0.75rem;
  line-height: 1;
  flex-shrink: 0;
}

.sentence-mini-from {
  font-size: 0.75rem;
  color: var(--theme-text-glass-secondary);
  font-style: italic;
  font-family: 'Noto Sans SC', sans-serif;
  white-space: nowrap;
  opacity: 0.7;
  flex-shrink: 0;
}

/* 现在按钮可以正确定位了 */
.sentence-mini-buttons {
  position: absolute;
  left: 100%; /* 现在是相对于有固定宽度的容器 */
  top: 50%;
  transform: translateY(-50%) translateX(10px);
  display: flex;
  gap: 0.25rem;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: auto;
  z-index: 10;
  border-radius: 12px;
  padding: 0.25rem;
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 8px var(--black-alpha-10);
  margin-left: 0.5rem;
}

.sentence-mini:hover .sentence-mini-buttons {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.sentence-mini-buttons:hover {
  opacity: 1 !important;
  transform: translateY(-50%) translateX(0) !important;
}

.sentence-mini-btn {
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--white-alpha-15);
  color: var(--theme-text-glass-primary);
  transition: all 0.2s ease;
  padding: 0;
  margin: 0;
  border: none;
  outline: none;
}

.sentence-mini-btn:hover {
  background: var(--primary-alpha-30);
  color: var(--theme-text-glass-primary);
  transform: scale(1.1);
}

.sentence-mini-btn svg {
  width: 12px;
  height: 12px;
}

/* ===== 极简布局每日一言（特色版）===== */
.sentence-featured {
  display: none;
  order: 0;
  margin: 3.5rem auto 1.5rem;
  width: 100%;
  max-width: 700px;
  opacity: 0.9;
  transition: opacity 0.3s ease;
  position: relative;
}

html[data-layout="simple"] .sentence-featured {
  display: block;
}

.sentence-featured-content-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  background: var(--black-alpha-5);
  backdrop-filter: blur(5px);
  transition: all 0.3s ease;
  position: relative;
  margin: 0 auto;
}

.sentence-featured-content-wrapper:hover {
  background: var(--black-alpha-15);
}

.sentence-featured-content {
  display: flex;
  flex-direction: column;
  text-align: center;
  width: 100%;
}

.sentence-featured-text {
  font-size: 1.425rem;
  line-height: 1.4;
  color: var(--theme-text-glass-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  font-family: 'Noto Serif SC', serif;
  margin-bottom: 0.35rem;
  width: 100%;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sentence-featured-text:hover {
  color: var(--theme-text-glass-primary);
}

.sentence-featured-from {
  font-size: 1.05rem;
  color: var(--theme-text-glass-primary);
  font-style: italic;
  font-family: 'Noto Sans SC', sans-serif;
  opacity: 0.8;
  text-align: end;
  max-width: 100%;
}

/* 特色版按钮 */
.sentence-featured-buttons {
  position: absolute;
  left: 100%; /* 现在是相对于有固定宽度的容器 */
  top: 50%;
  transform: translateY(-50%) translateX(10px);
  display: flex;
  gap: 0.5rem;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: auto;
  z-index: 10;
  border-radius: 12px;
  padding: 0.5rem;
  margin-left: 0.6rem;
}

.sentence-featured:hover .sentence-featured-buttons {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.sentence-featured-buttons:hover {
  opacity: 1 !important;
  transform: translateY(-50%) translateX(0) !important;
}

.sentence-featured-btn {
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--white-alpha-15);
  color: var(--theme-text-glass-primary);
  transition: all 0.2s ease;
  padding: 0;
  margin: 0;
  border: none;
  outline: none;
}

.sentence-featured-btn:hover {
  background: var(--primary-alpha-30);
  color: var(--theme-text-glass-primary);
  transform: translateY(-1px);
}

.sentence-featured-btn svg {
  width: 14px;
  height: 14px;
  margin-bottom: 0.125rem;
}

.sentence-featured-btn span {
  font-size: 0.625rem;
  font-weight: 500;
  opacity: 0.9;
  letter-spacing: 0.5px;
}

/* 动画 */
@keyframes copySuccess {
  0% { transform: scale(1); }
  50% { transform: scale(0.8); }
  100% { transform: scale(1); }
}


/* 扩大悬停区域 */
.sentence-mini-buttons::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  z-index: -1;
}

.sentence-featured-buttons::before {
  content: '';
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  z-index: -1;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .sentence-mini-content-wrapper {
    max-width: 450px;
    min-width: 280px;
  }
  
  .sentence-mini-text {
    max-width: 240px;
  }
  
  .sentence-featured {
    max-width: 600px;
    margin: 0.875rem auto 1.25rem;
  }
  
  .sentence-featured-content-wrapper {
    max-width: 600px;
  }
  
  .sentence-featured-text {
    font-size: 1rem;
  }
  
  .sentence-featured-buttons {
    transform: translateY(-50%) translateX(15px);
    right: 0.75rem;
  }
}

@media (max-width: 768px) {
  .sentence-mini {
    margin: 0.375rem 0 0.125rem;
  }
  
  .sentence-mini-content-wrapper {
    max-width: 400px;
    min-width: 240px;
    padding: 0.125rem 0.375rem;
  }
  
  .sentence-mini-text {
    font-size: 0.75rem;
    max-width: 200px;
  }
  
  .sentence-mini-from {
    font-size: 0.6875rem;
  }
  
  /* 移动端：按钮半透明显示 */
  .sentence-mini-buttons {
    opacity: 0.7;
    transform: translateY(-50%) translateX(0);
    padding: 0.125rem;
    margin-left: 0.25rem;
  }
  
  .sentence-mini-btn {
    width: 20px;
    height: 20px;
  }
  
  .sentence-mini-btn svg {
    width: 10px;
    height: 10px;
  }
  
  .sentence-featured {
    max-width: 500px;
    margin: 0.75rem auto 1rem;
  }
  
  .sentence-featured-content-wrapper {
    max-width: 500px;
    padding: 0.5rem 0.75rem;
  }
  
  .sentence-featured-text {
    font-size: 0.9375rem;
  }
  
  .sentence-featured-from {
    font-size: 0.75rem;
  }
  
  /* 移动端：按钮半透明显示 */
  .sentence-featured-buttons {
    opacity: 0.7;
    transform: translateY(-50%) translateX(0);
    gap: 0.375rem;
    padding: 0.375rem;
    right: 0.5rem;
  }
  
  .sentence-featured-btn {
    width: 36px;
    height: 36px;
  }
  
  .sentence-featured-btn svg {
    width: 12px;
    height: 12px;
  }
  
  .sentence-featured-btn span {
    font-size: 0.5625rem;
  }
}

@media (max-width: 640px) {
  .sentence-mini-content-wrapper {
    max-width: 350px;
    min-width: 200px;
  }
  
  .sentence-mini-text {
    max-width: 180px;
  }
  
  .sentence-featured {
    max-width: 90%;
  }
  
  .sentence-featured-content-wrapper {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .sentence-mini-content-wrapper {
    max-width: 90%;
    min-width: auto;
    padding: 0.25rem 0.5rem;
    flex-direction: column;
  }
  
  .sentence-mini-content {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .sentence-mini-text {
    max-width: 100%;
    text-align: center;
    white-space: normal;
    line-height: 1.3;
  }
  
  .sentence-mini-buttons {
    position: static;
    transform: none;
    opacity: 0.8;
    margin: 0.125rem 0 0;
    padding: 0.125rem;
    background: transparent;
    border: none;
    box-shadow: none;
    justify-content: center;
    width: 100%;
  }
  
  .sentence-featured {
    max-width: 95%;
    margin: 0.5rem auto 0.75rem;
  }
  
  .sentence-featured-content-wrapper {
    padding: 0.5rem;
    flex-direction: column;
  }
  
  .sentence-featured-text {
    font-size: 0.875rem;
    line-height: 1.3;
  }
  
  .sentence-featured-from {
    font-size: 0.6875rem;
  }
  
  .sentence-featured-buttons {
    position: static;
    transform: none;
    opacity: 0.8;
    margin: 0.5rem 0 0;
    padding: 0.25rem;
    background: transparent;
    border: none;
    box-shadow: none;
    justify-content: center;
    width: 100%;
    gap: 0.75rem;
  }
  
  .sentence-featured-btn {
    width: 44px;
    height: 44px;
  }
  
  .sentence-featured-btn svg {
    width: 12px;
    height: 12px;
  }
  
  .sentence-featured-btn span {
    font-size: 0.5625rem;
  }
}

@media (max-width: 320px) {
  .sentence-mini-text {
    font-size: 0.6875rem;
  }
  
  .sentence-mini-from {
    font-size: 0.625rem;
  }
  
  .sentence-mini-btn {
    width: 18px;
    height: 18px;
  }
  
  .sentence-mini-btn svg {
    width: 8px;
    height: 8px;
  }
  
  .sentence-featured-text {
    font-size: 0.8125rem;
  }
  
  .sentence-featured-from {
    font-size: 0.625rem;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .sentence-mini-content-wrapper,
  .sentence-featured-content-wrapper {
    border: 1px solid currentColor;
  }
  
  .sentence-mini-btn,
  .sentence-featured-btn {
    border: 1px solid currentColor;
  }
  
  .sentence-mini-buttons,
  .sentence-featured-buttons {
    background: var(--black-alpha-30);
    border: 2px solid currentColor;
  }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
  .sentence-mini,
  .sentence-featured,
  .sentence-mini-content-wrapper,
  .sentence-featured-content-wrapper,
  .sentence-mini-content-wrapper:hover,
  .sentence-featured-content-wrapper:hover,
  .sentence-mini-buttons,
  .sentence-featured-buttons,
  .sentence-mini:hover .sentence-mini-buttons,
  .sentence-featured:hover .sentence-featured-buttons {
    transition: none !important;
    transform: none !important;
  }
  
  .sentence-switch:hover svg {
    animation: none !important;
  }
}

/* ===== 风车按钮 ===== */
.windmill {
  position: fixed;
  right: 24px;
  bottom: 0px;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1000;
  cursor: pointer;
  transition: all var(--transition-medium);
}

.sidebar-right ~ .windmill {
  right: calc(24px + 50px);
}

.windmill:hover {
  transform: translateY(-4px);
}

.windmill.hover {
  transform: translateY(-4px);
}

.windmill.loading {
  cursor: not-allowed;
  opacity: 0.7;
}

.windmill img {
  z-index: 1;
  cursor: pointer;
  width: 40px;
  height: 40px;
  transition: transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.windmill:hover img {
  transform: rotate(180deg);
}

.windmill.loading img {
  animation: windmill-rotate 1.5s linear infinite;
}

/* 连杆样式 */
.windmill-rod {
  display: block;
  margin-top: -8px;
  width: 3px;
  height: 40px;
  background: linear-gradient(to top, 
    rgba(254, 254, 254, 0.8) 0%, 
    rgba(254, 254, 254, 0.6) 50%, 
    rgba(254, 254, 254, 0.3) 100%);
  border-radius: 2px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.windmill:hover .windmill-rod {
  height: 44px;
  background: linear-gradient(to top, 
    rgba(254, 254, 254, 0.9) 0%, 
    rgba(254, 254, 254, 0.7) 50%, 
    rgba(254, 254, 254, 0.4) 100%);
}

.windmill.loading .windmill-rod {
  background: linear-gradient(to top, 
    rgba(100, 200, 255, 0.8) 0%, 
    rgba(100, 200, 255, 0.6) 50%, 
    rgba(100, 200, 255, 0.3) 100%);
}

/* 加载状态 */
.windmill-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: none;
}

.windmill.loading .windmill-loading {
  display: block;
}

.loading-dots {
  display: flex;
  gap: 3px;
}

.loading-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(100, 200, 255, 0.8);
  animation: windmill-dot-bounce 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) {
  animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
  animation-delay: -0.16s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0s;
}

/* 风车动画 */
@keyframes windmill-rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes windmill-dot-bounce {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes windmill-pulse {
  0% {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
  }
  50% {
    filter: drop-shadow(0 2px 8px rgba(100, 200, 255, 0.5));
  }
  100% {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
  }
}

.windmill.loading img {
  animation: 
    windmill-rotate 1.5s linear infinite,
    windmill-pulse 2s ease-in-out infinite;
}

/* 工具提示 */
.windmill::after {
  content: '切换壁纸';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(0, 0, 0, 0.7);
  padding: 6px 12px;
  border-radius: 6px;
  backdrop-filter: blur(10px);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.windmill:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

/* == 布局切换按钮 == */

.layout-toggle {
  position: fixed;
  top: 22px;
  right: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 999;
  cursor: pointer;
  transition: all 0.3s ease;
  width: auto;
  height: auto;
}

.layout-toggle-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  width: 22px;
  height: 22px;
  box-sizing: content-box;
}

.layout-toggle-icon img.layout-icon-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(0.95) drop-shadow(0px 2px 7px rgba(var(--theme-primary-rgb), 0.3));
  transition: filter 0.3s ease;
}

.layout-toggle:hover .layout-toggle-icon img.layout-icon-svg {
  filter: brightness(0) invert(1) drop-shadow(0px 2px 10px rgba(var(--theme-primary-rgb), 0.6));
}

.layout-toggle:active .layout-toggle-icon {
  transform: scale(0.95);
}

/* 极简模式图标特殊处理 */
.layout-toggle-icon img.feather-icon {
  filter: brightness(0) invert(0.95) drop-shadow(0px 2px 7px rgba(var(--theme-primary-rgb), 0.3));
}

.layout-toggle:hover .layout-toggle-icon img.feather-icon {
  filter: brightness(0) invert(1) drop-shadow(0px 2px 10px rgba(var(--theme-primary-rgb), 0.6));
}

/* 暗色主题适配 */
[data-theme="dark"] .layout-toggle-icon img.layout-icon-svg,
.theme-dark .layout-toggle-icon img.layout-icon-svg,
body.dark-mode .layout-toggle-icon img.layout-icon-svg {
  filter: brightness(0) invert(0.9) drop-shadow(0px 2px 7px rgba(0, 0, 0, 0.8));
}

[data-theme="dark"] .layout-toggle-icon img.layout-icon-svg,
.theme-dark .layout-toggle-icon img.layout-icon-svg,
body.dark-mode .layout-toggle-icon img.layout-icon-svg {
  filter: brightness(0) invert(0.9) drop-shadow(0px 2px 7px rgba(0, 0, 0, 0.8));
}

[data-theme="dark"] .layout-toggle:hover .layout-toggle-icon img.layout-icon-svg,
.theme-dark .layout-toggle:hover .layout-toggle-icon img.layout-icon-svg,
body.dark-mode .layout-toggle:hover .layout-toggle-icon img.layout-icon-svg {
  filter: brightness(0) invert(1) drop-shadow(0px 2px 10px rgba(0, 0, 0, 0.9));
}

/* 响应式设计修正 */
@media (max-width: 768px) {
  .layout-toggle {
    top: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .layout-toggle {
    top: 16px;
    right: 16px;
  }
}

/* 平板竖屏模式 */
@media (min-width: 769px) and (max-width: 1024px) and (orientation: portrait) {
  .layout-toggle {
    top: 24px;
    right: 24px;
  }
}

/* 高对比度模式修正 */
@media (prefers-contrast: high) {
  .layout-toggle-icon {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid currentColor;
  }
  
  .layout-toggle-icon img.layout-icon-svg {
    filter: brightness(0) invert(1) drop-shadow(0px 2px 4px rgba(0, 0, 0, 1));
  }
  
  .layout-toggle:hover .layout-toggle-icon img.layout-icon-svg {
    filter: brightness(0) invert(1) drop-shadow(0px 2px 6px rgba(0, 0, 0, 1));
  }
}

/* 减少动画模式修正 */
@media (prefers-reduced-motion: reduce) {
  .layout-toggle,
  .layout-toggle:hover,
  .layout-toggle:active,
  .layout-toggle-icon,
  .layout-toggle-icon img.layout-icon-svg {
    transition: none !important;
    animation: none !important;
  }
  
  .layout-toggle:active .layout-toggle-icon {
    transform: none !important;
  }
}

/* 打印模式修正 */
@media print {
  .layout-toggle {
    display: none !important;
  }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
  .layout-toggle-icon {
    width: 44px;
    height: 44px;
    padding: 8px;
  }
  
  .layout-toggle:active .layout-toggle-icon {
    transform: scale(0.9);
  }
}

/* 无障碍增强 */
.layout-toggle:focus {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

.layout-toggle:focus:not(:focus-visible) {
  outline: none;
}

.layout-toggle:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
}

/* 加载状态 */
.layout-toggle.loading .layout-toggle-icon img.layout-icon-svg {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(0.95);
  }
}

/* 隐藏状态 */
.layout-toggle.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(20px);
}

/* 显示状态 */
.layout-toggle.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
}

/* ===== 浮动设置按钮 ===== */
.floating-settings-btn {
  position: fixed;
  display: none;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  border-radius: calc(var(--site-icon-radius) * 0.75);
  font-size: calc(var(--site-icon-size) * 0.26);
  background: var(--add-site-icon-bg);
  backdrop-filter: var(--glass-blur-base, blur(10px));
  -webkit-backdrop-filter: var(--glass-blur-base, blur(10px));
  border: 1px solid var(--add-site-btn-border);
  color: var(--theme-glass-secondary);
  transition: all var(--transition-medium);
  box-shadow: 
    0 3px 9px var(--black-alpha-8),
    inset 0 1px 0 var(--white-alpha-30),
    inset 0 -1px 0 var(--black-alpha-10);
}

.floating-settings-btn.visible {
  display: flex;
}

.floating-settings-btn:hover {
  transform: translateY(-2px) scale(1.02);
  background: var(--add-site-icon-hover-bg, var(--white-alpha-15));
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  box-shadow: 
    0 6px 18px var(--black-alpha-12),
    0 3px 12px var(--primary-alpha-8),
    inset 0 1px 0 var(--white-alpha-50),
    inset 0 -1px 0 var(--black-alpha-5);
}

.floating-settings-btn i {
  font-size: calc(var(--site-icon-size) * 0.28);
  opacity: 0.7;
  transition: all var(--transition-medium);
  transform-origin: center; /* 确保旋转中心在图标中心 */
}

.floating-settings-btn:hover i {
  transform: scale(1.05) rotate(180deg); /* 旋转180度 */
  opacity: 1;
  color: var(--color-primary);
  transition: all var(--transition-medium) 0.1s; /* 添加延迟让缩放先执行 */
}

/* ===== 状态样式 ===== */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl);
  color: var(--text-secondary);
  gap: var(--spacing-md);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.loading-state i {
  font-size: 24px;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl);
  color: var(--empty-state-color);
  text-align: center;
  gap: var(--spacing-md);
}

.empty-state i {
  font-size: 48px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.empty-state p {
  font-size: var(--font-size-base);
  max-width: 300px;
  line-height: 1.1;
}

.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl);
  color: var(--color-error);
  text-align: center;
  gap: var(--spacing-md);
}

.error-state i {
  font-size: 48px;
}

.error-state h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
}

.error-state p {
  font-size: var(--font-size-base);
  max-width: 300px;
  line-height: 1.4;
  color: var(--text-secondary);
}

/* ===== 滚动条样式 ===== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
  transition: all var(--transition-fast);
}

::-webkit-scrollbar-track {
  background: var(--theme-border-secondary);
  border-radius: 3px;
  transition: all var(--transition-fast);
}

::-webkit-scrollbar-thumb {
  background: var(--theme-border-primary);
  border-radius: 3px;
  transition: all var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
  transform: scale(1.1);
}

/* 选择文本样式 */
::selection {
  background: var(--primary-alpha-30);
  color: white;
}

::-moz-selection {
  background: var(--primary-alpha-30);
  color: white;
}

/* 打印样式 */
@media print {
  .footer,
  .page-indicator,
  .site-actions {
    display: none !important;
  }

  .main-content {
    margin: 0 !important;
    padding: 0 !important;
  }

  .background-layer {
    display: none;
  }

  body {
    background: white !important;
    color: black !important;
  }
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
  :root {
    --header-height: 100px;
    --spacing-md: 8px;
    --header-time-font-size: 50px;
  }

  .app {
    flex-direction: column;
  }
  
  .main-content {
    margin-bottom: 60px;
    padding: var(--spacing-sm);
  }

  .sidebar.right-sidebar ~ .main-content {
    margin-right: 0;
  }

  .app-date-box {
    min-width: auto;
    padding: var(--spacing-md);
  }

  .app-time {
    font-size: 50px;
  }

  .app-date {
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: 12px;
  }
  
  /* 移动端减少动画复杂度 */
  .slide-up, .slide-down,
  .zoom-in, .zoom-out,
  .flip-in, .flip-out,
  .rotate-in, .rotate-out {
    animation-timing-function: ease;
  }
  
  .bounce-in, .bounce-out {
    animation: fadeIn 0.3s ease forwards;
  }
  
  .bounce-out {
    animation: fadeOut 0.3s ease forwards;
  }
  
  .site-item:hover, .folder-item:hover {
    transform: none;
  }

  .floating-settings-btn {
    bottom: 70px;
  }

  /* 头部响应式 */
  .app-time {
    font-size: calc(var(--header-time-font-size, 70px) * 0.7);
  }
  
  .app-date {
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: 12px;
  }
  
  .custom-text {
    font-size: calc(var(--custom-text-size, 32px) * 0.8);
  }
  
  .logo-container,
  .text-container {
    padding: var(--spacing-sm);
  }

  /* 风车响应式 */
  .windmill {
    right: 16px;
  }
  
  .sidebar-right ~ .windmill {
    right: calc(16px + 50px);
  }
  
  .windmill img {
    width: 36px;
    height: 36px;
  }
  
  .windmill-rod {
    height: 36px;
    width: 2.5px;
  }
  
  .windmill:hover .windmill-rod {
    height: 40px;
  }
  
  .windmill::after {
    font-size: 11px;
    padding: 4px 8px;
    top: -36px;
  }
  
  .loading-dots span {
    width: 5px;
    height: 5px;
  }
}

@media (max-width: 480px) {
  :root {
    --site-icon-size: 50px;
    --site-spacing: 8px;
    --header-time-font-size: 40px;
  }

  .app-time {
    font-size: 40px;
  }

  .app-date {
    font-size: 12px;
  }

  .engine-options {
    grid-template-columns: 1fr;
  }

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

  /* 头部响应式 */
  .app-time {
    font-size: calc(var(--header-time-font-size, 70px) * 0.6);
  }
  
  .custom-text {
    font-size: calc(var(--custom-text-size, 32px) * 0.7);
  }
  
  .header-logo,
  .logo-placeholder {
    width: calc(var(--logo-size, 80px) * 0.8) !important;
    height: calc(var(--logo-size, 80px) * 0.8) !important;
  }

  /* 小屏幕设备进一步简化动画 */
  .page {
    animation-duration: 0.2s !important;
  }
  
  .site-item, .folder-item {
    transition: none;
  }
}

/* ===== 高对比度模式支持 ===== */
@media (prefers-contrast: high) {
  .site-item:hover, .folder-item:hover {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
  }

  .color-option.active {
    outline: 2px solid white;
    outline-offset: 2px;
  }
}

/* ===== 辅助类和工具样式 ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
/* ===== 动画系统 ===== */
.animations-enabled {
  /* 启用动画的标记类 */
}

.hover-animations-enabled {
  /* 启用悬停动画的标记类 */
}

.smooth-scrolling-enabled {
  scroll-behavior: smooth;
}

.reduced-motion * {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}

.no-animations * {
  animation: none !important;
  transition: none !important;
}

/* ===== 页面切换动画系统 ===== */

/* 淡入淡出动画 (fade) */
.page-fade-in {
  animation: pageFadeIn var(--animation-duration) var(--ease-in-out) forwards;
  opacity: 0;
}

.page-fade-out {
  animation: pageFadeOut var(--animation-duration) var(--ease-in-out) forwards;
  opacity: 1;
}

@keyframes pageFadeIn {
  0% {
    opacity: 0;
    transform: translateZ(0);
  }
  100% {
    opacity: 1;
    transform: translateZ(0);
  }
}

@keyframes pageFadeOut {
  0% {
    opacity: 1;
    transform: translateZ(0);
  }
  100% {
    opacity: 0;
    transform: translateZ(0);
  }
}

/* 上下滑动动画 (slide) */
.page-slide-up-in {
  animation: pageSlideUpIn var(--animation-duration) var(--ease-out) forwards;
  opacity: 0;
}

.page-slide-up-out {
  animation: pageSlideUpOut var(--animation-duration) var(--ease-out) forwards;
  opacity: 1;
}

.page-slide-down-in {
  animation: pageSlideDownIn var(--animation-duration) var(--ease-out) forwards;
  opacity: 0;
}

.page-slide-down-out {
  animation: pageSlideDownOut var(--animation-duration) var(--ease-out) forwards;
  opacity: 1;
}

/* 向上滑动进入 */
@keyframes pageSlideUpIn {
  0% {
    opacity: 0;
    transform: translateY(100%) translateZ(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
}

/* 向上滑动离开 */
@keyframes pageSlideUpOut {
  0% {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-100%) translateZ(0);
  }
}

/* 向下滑动进入 */
@keyframes pageSlideDownIn {
  0% {
    opacity: 0;
    transform: translateY(-100%) translateZ(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
}

/* 向下滑动离开 */
@keyframes pageSlideDownOut {
  0% {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
  100% {
    opacity: 0;
    transform: translateY(100%) translateZ(0);
  }
}

/* 缩放动画 (zoom) */
.page-zoom-in {
  animation: pageZoomIn var(--animation-duration) var(--ease-out) forwards;
  opacity: 0;
  transform-origin: center;
}

.page-zoom-out {
  animation: pageZoomOut var(--animation-duration) var(--ease-out) forwards;
  opacity: 1;
  transform-origin: center;
}

@keyframes pageZoomIn {
  0% {
    opacity: 0;
    transform: scale(0.8) translateZ(0);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateZ(0);
  }
}

@keyframes pageZoomOut {
  0% {
    opacity: 1;
    transform: scale(1) translateZ(0);
  }
  100% {
    opacity: 0;
    transform: scale(1.2) translateZ(0);
  }
}

/* 翻转动画 (flip) - 改为垂直翻转 */
.page-flip-in {
  animation: pageFlipIn var(--animation-duration) var(--ease-out) forwards;
  opacity: 0;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.page-flip-out {
  animation: pageFlipOut var(--animation-duration) var(--ease-out) forwards;
  opacity: 1;
  transform-style: preserve-3d;
  perspective: 1000px;
}

@keyframes pageFlipIn {
  0% {
    opacity: 0;
    transform: rotateX(-90deg) translateZ(0);
  }
  100% {
    opacity: 1;
    transform: rotateX(0) translateZ(0);
  }
}

@keyframes pageFlipOut {
  0% {
    opacity: 1;
    transform: rotateX(0) translateZ(0);
  }
  100% {
    opacity: 0;
    transform: rotateX(90deg) translateZ(0);
  }
}

/* 弹跳动画 (bounce) */
.page-bounce-in {
  animation: pageBounceIn var(--animation-duration) var(--ease-bounce) forwards;
  opacity: 0;
}

.page-bounce-out {
  animation: pageBounceOut var(--animation-duration) var(--ease-bounce) forwards;
  opacity: 1;
}

@keyframes pageBounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3) translateZ(0);
  }
  50% {
    opacity: 1;
    transform: scale(1.05) translateZ(0);
  }
  70% {
    transform: scale(0.9) translateZ(0);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateZ(0);
  }
}

@keyframes pageBounceOut {
  0% {
    opacity: 1;
    transform: scale(1) translateZ(0);
  }
  20% {
    transform: scale(1.1) translateZ(0);
  }
  50% {
    opacity: 1;
    transform: scale(1.05) translateZ(0);
  }
  100% {
    opacity: 0;
    transform: scale(0.3) translateZ(0);
  }
}

/* 旋转动画 (rotate) */
.page-rotate-in {
  animation: pageRotateIn var(--animation-duration) var(--ease-out) forwards;
  opacity: 0;
  transform-origin: center;
}

.page-rotate-out {
  animation: pageRotateOut var(--animation-duration) var(--ease-out) forwards;
  opacity: 1;
  transform-origin: center;
}

@keyframes pageRotateIn {
  0% {
    opacity: 0;
    transform: rotate(-180deg) scale(0.5) translateZ(0);
  }
  100% {
    opacity: 1;
    transform: rotate(0) scale(1) translateZ(0);
  }
}

@keyframes pageRotateOut {
  0% {
    opacity: 1;
    transform: rotate(0) scale(1) translateZ(0);
  }
  100% {
    opacity: 0;
    transform: rotate(180deg) scale(0.5) translateZ(0);
  }
}

/* ===== 悬停动画 ===== */
.hover-animations-enabled .site-item {
  transition: all var(--transition-medium) var(--ease-out);
}

.hover-animations-enabled .sidebar-group {
  transition: all var(--transition-fast) var(--ease-out);
}

.hover-animations-enabled .sidebar-group:hover {
  transform: translateY(-1px) scale(1.02);
}

.hover-animations-enabled .sidebar-control-btn {
  transition: all var(--transition-fast) var(--ease-out);
}

.hover-animations-enabled .sidebar-control-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ===== 动画工具类 ===== */
.animate-pulse {
  animation: pulse 2s var(--ease-in-out) infinite;
}

.animate-bounce {
  animation: bounce 2s var(--ease-bounce) infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-ping {
  animation: ping 1s var(--ease-out) infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(-25%);
    animation-timing-function: var(--ease-bounce);
  }
  50% {
    transform: translateY(0);
    animation-timing-function: var(--ease-bounce);
  }
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* ===== 动画性能优化 ===== */
.page,
.site-item {
  will-change: transform, opacity;
  backface-visibility: hidden;
  transform: translateZ(0);
}

/* 页面动画容器 */
.pages-container {
  perspective: 1200px;
  transform-style: preserve-3d;
}

.page {
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

/* 减少动画时的优化 */
.reduced-motion .page,
.reduced-motion .site-item {
  transition: none !important;
  animation: none !important;
}

.reduced-motion .page.active {
  opacity: 1;
  visibility: visible;
  display: flex !important;
}

.reduced-motion .page.hidden {
  opacity: 0;
  visibility: hidden;
  display: none !important;
}

/* ===== 动画状态类 ===== */
.animating {
  pointer-events: none;
}

/* 禁用动画时的回退 */
.no-animations .page {
  transition: none !important;
  animation: none !important;
}

.no-animations .page.active {
  opacity: 1;
  visibility: visible;
  display: flex !important;
}

.no-animations .page.hidden {
  opacity: 0;
  visibility: hidden;
  display: none !important;
}

/* ===== 响应式动画调整 ===== */
@media (max-width: 768px) {
  :root {
    --animation-duration: 250ms;
  }
  
  /* 移动端简化复杂页面动画 */
  .page-flip-in,
  .page-flip-out,
  .page-rotate-in,
  .page-rotate-out {
    animation: pageFadeIn var(--animation-duration) var(--ease-in-out) forwards;
  }
  
  .page-flip-out,
  .page-rotate-out {
    animation: pageFadeOut var(--animation-duration) var(--ease-in-out) forwards;
  }
  
  /* 移动端简化滑动动画 */
  .page-slide-up-in,
  .page-slide-down-in {
    animation: pageSlideUpIn var(--animation-duration) var(--ease-out) forwards;
  }
  
  .page-slide-up-out,
  .page-slide-down-out {
    animation: pageSlideUpOut var(--animation-duration) var(--ease-out) forwards;
  }
}

@media (max-width: 480px) {
  :root {
    --animation-duration: 200ms;
  }
  
  /* 小屏幕设备进一步简化 */
  .page-bounce-in,
  .page-bounce-out {
    animation: pageFadeIn var(--animation-duration) var(--ease-in-out) forwards;
  }
  
  .page-bounce-out {
    animation: pageFadeOut var(--animation-duration) var(--ease-in-out) forwards;
  }
  
  /* 小屏幕只保留淡入淡出和简单的上下滑动 */
  .page-slide-up-in,
  .page-slide-down-in,
  .page-slide-up-out,
  .page-slide-down-out {
    animation: pageFadeIn var(--animation-duration) var(--ease-in-out) forwards;
  }
  
  /* 简化悬停动画 */
  .hover-animations-enabled .site-item:hover {
    transform: none;
  }
}

/* ===== 高性能模式 ===== */
@media (prefers-reduced-motion: reduce) {
  :root {
    --animation-duration: 0.01ms;
    --transition-fast: 0.01ms;
    --transition-medium: 0.01ms;
    --transition-slow: 0.01ms;
  }
  
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== 极简布局模式控制 ===== */

/* 基础布局控制 */
[data-layout="simple"] .sidebar,
[data-layout="simple"] .pages-container,
[data-layout="simple"] .grid-container,
[data-layout="simple"] .page-indicator {
    display: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* 极简布局核心组件 - 初始隐藏，由JS控制显示 */
.header,
.search-section {
    /* 初始完全隐藏，防止刷新时跳跃 */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* CSS变量初始化后的显示状态 */
.css-vars-initialized .header,
.css-vars-initialized .search-section {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* 极简布局下的头部定位 */
[data-layout="simple"].css-vars-initialized .header {
    margin-top: 15vh;
    margin-bottom: 0;
}

/* 极简布局下的搜索区域定位 */
[data-layout="simple"].css-vars-initialized .search-section {
    margin-top: var(--spacing-xl, 2rem);
    margin-bottom: 0;
}

/* 完整布局下的正常状态 */
:root:not([data-layout="simple"]) .css-vars-initialized .header,
:root:not([data-layout="simple"]) .css-vars-initialized .search-section {
    margin-top: 0;
    margin-bottom: 0;
}

:root:not([data-layout="simple"]) .css-vars-initialized .search-section {
    margin-bottom: var(--spacing-xl, 2rem);
}

/* ===== 底部显示控制 ===== */
.footer.hidden-all {
    display: none;
    opacity: 0;
    visibility: hidden;
}

.footer.no-logo .foot-sitetitle,
.footer.no-logo .border-white,
.footer.no-copyright .foot-copyright,
.footer.no-icp .foot-tcp,
.footer.no-celebrity .celebrity-quote {
    display: none;
    opacity: 0;
    visibility: hidden;
}

/* ===== 浮动设置按钮 ===== */

[data-layout="simple"] .floating-settings-btn {
    display: block;
}

[data-layout="simple"] #floatingSettingsBtn {
    opacity: 1;
    visibility: visible;
}

/* ===== 布局优化和性能调整 ===== */

[data-layout="simple"] .page,
[data-layout="simple"] .site-item,
[data-layout="simple"] .folder-item {
    transition-duration: 0.2s;
    animation-duration: 0.2s;
}

[data-layout="simple"] .wallpaper-layer::before {
    opacity: calc(var(--wallpaper-mask-opacity, 0.4) * 1.2);
}

[data-layout="simple"] ::-webkit-scrollbar {
    display: none;
}

[data-layout="simple"] *:focus {
    outline: 2px;
    outline-offset: 2px;
}

/* ===== 布局切换过渡效果 ===== */

/* 布局切换时的平滑过渡 */
[data-layout-transitioning="true"] .header,
[data-layout-transitioning="true"] .search-section {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 布局切换时的组件过渡 */
[data-layout-transitioning="true"] .sidebar,
[data-layout-transitioning="true"] .grid-container,
[data-layout-transitioning="true"] .pages-container,
[data-layout-transitioning="true"] .page-indicator {
    transition: 
        opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 布局切换完成后的状态 */
:root:not([data-layout-transitioning="true"]) .header,
:root:not([data-layout-transitioning="true"]) .search-section,
:root:not([data-layout-transitioning="true"]) .sidebar,
:root:not([data-layout-transitioning="true"]) .grid-container,
:root:not([data-layout-transitioning="true"]) .pages-container,
:root:not([data-layout-transitioning="true"]) .page-indicator {
    transition: none;
}

/* ===== 响应式设计 ===== */

@media (max-width: 1024px) {
    [data-layout="simple"].css-vars-initialized .header {
        margin-top: 18vh;
    }
    
    [data-layout="simple"].css-vars-initialized .search-section {
        margin-top: var(--spacing-lg, 1.5rem);
    }
}

@media (max-width: 768px) {
    [data-layout="simple"].css-vars-initialized .header {
        margin-top: 15vh;
    }
    
    [data-layout="simple"].css-vars-initialized .search-section {
        margin-top: var(--spacing-lg, 1.5rem);
    }
}

@media (max-width: 480px) {
    [data-layout="simple"].css-vars-initialized .header {
        margin-top: 12vh;
    }
    
    [data-layout="simple"].css-vars-initialized .search-section {
        margin-top: var(--spacing-md, 1rem);
    }
    
    [data-layout="simple"] .windmill {
        display: none;
    }
}

@media (max-width: 320px) {
    [data-layout="simple"].css-vars-initialized .header {
        margin-top: 10vh;
    }
    
    [data-layout="simple"].css-vars-initialized .search-section {
        margin-top: var(--spacing-sm, 0.5rem);
    }
}

@media (max-height: 600px) and (orientation: landscape) {
    [data-layout="simple"].css-vars-initialized .header {
        margin-top: 10vh;
    }
    
    [data-layout="simple"].css-vars-initialized .search-section {
        margin-top: var(--spacing-sm, 0.5rem);
    }
}

/* ===== 特殊模式支持 ===== */

@media (prefers-contrast: high) {
    [data-layout="simple"] .header,
    [data-layout="simple"] .search-section {
        border: 2px solid currentColor;
    }
    
    [data-layout="simple"] .footer {
        border-top: 2px solid currentColor;
    }
}

@media (prefers-reduced-motion: reduce) {
    [data-layout="simple"] .header,
    [data-layout="simple"] .search-section,
    [data-layout="simple"] .footer,
    [data-layout="simple"] .sidebar,
    [data-layout="simple"] .pages-container,
    [data-layout="simple"] .grid-container,
    [data-layout="simple"] .page-indicator {
        animation: none !important;
        transition: none !important;
    }
    
    [data-layout-transitioning="true"] .header,
    [data-layout-transitioning="true"] .search-section,
    [data-layout-transitioning="true"] .sidebar,
    [data-layout-transitioning="true"] .grid-container,
    [data-layout-transitioning="true"] .pages-container,
    [data-layout-transitioning="true"] .page-indicator {
        transition: none !important;
    }
}

@media print {
    [data-layout="simple"] .sidebar,
    [data-layout="simple"] .pages-container,
    [data-layout="simple"] .grid-container,
    [data-layout="simple"] .page-indicator {
        display: none;
    }
    
    [data-layout="simple"] .header,
    [data-layout="simple"] .search-section {
        display: block;
        opacity: 1;
        visibility: visible;
        margin-top: 2cm;
        margin-bottom: 1cm;
        page-break-inside: avoid;
    }
    
    [data-layout="simple"] .footer {
        display: block;
        position: static;
        margin-top: 2cm;
        page-break-before: always;
    }
}

@media (hover: none) and (pointer: coarse) {
    [data-layout="simple"] .header,
    [data-layout="simple"] .search-section {
        transition-duration: 0.2s;
    }
    
    [data-layout="simple"] .search-box:focus-within {
        transform: none;
    }
}

/* ===== 布局类辅助 ===== */

/* 布局类用于JavaScript控制 */
.layout-simple .sidebar,
.layout-simple .pages-container,
.layout-simple .grid-container,
.layout-simple .page-indicator {
    display: none;
}

.layout-full .sidebar,
.layout-full .pages-container,
.layout-full .grid-container {
    display: block;
}

/* 布局切换时的动画类 */
.layout-changing {
    pointer-events: none;
}