/* ===== 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 [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 [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;
}

/* ===== 页面指示器模块 - 简约优雅版 ===== */

/* 基础样式 - 使用最轻量的毛玻璃效果 */
.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);
  
  /* 极致简约的毛玻璃背景 */
  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-xs) var(--spacing-md);
  border-radius: var(--border-radius-pill);
  
  /* 极细边框，几乎不可见 */
  border: 1px solid var(--page-indicator-border, rgba(255, 255, 255, 0.05));
  
  /* 极轻的阴影，几乎无感 */
  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;
  
  /* 优雅的淡入动画 */
  animation: indicatorSubtleFadeIn 0.4s var(--ease-out);
}

/* 极简圆点 */
.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;
  
  /* 微妙的尺寸变化 */
  transform: scale(1);
  will-change: transform, background;
}

/* 悬停时的微妙反馈 */
.page-dot:hover {
  background: var(--page-dot-hover-bg, rgba(255, 255, 255, 0.4));
  transform: scale(1.15);
}

/* 激活状态 - 直接使用主题色 */
.page-dot.active {
  background: var(--theme-primary);
  transform: scale(1.3);
  
  /* 微妙的发光效果，不喧宾夺主 */
  box-shadow: 
    0 0 0 1px rgba(var(--theme-primary-rgb), 0.1),
    0 0 0 0 rgba(var(--theme-primary-rgb), 0);
  
  /* 极简的脉冲动画 */
  animation: activeDotSubtlePulse 3s ease-in-out infinite;
}

/* 圆点内部的微妙光泽 */
.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;
}

/* ===== 优雅动画 ===== */
@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);
  }
}