#blendFloatingWindow {
  display: none;
  position: fixed;
  top: 50px;
  left: 50px;
  width: 90%;
  height: 90%;
  overflow: hidden;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
  resize: both;
  padding: 0;
  background-color: var(--background-color-A);
  border: 2px solid var(--fjm-border-color);
  border-radius: var(--fjm-border-radius);
  color: var(--component-text-color);
  flex-direction: column;
  z-index: var(--fjm-z-index);
}

#blendFloatingWindowHeader {
  background-color: var(--background-color-B);
  color: var(--component-text-color);
  padding: 5px;
  cursor: move;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#blendCloseButton {
  background: none;
  border: none;
  color: var(--component-text-color);
  font-size: 18px;
  cursor: pointer;
  padding: 0 6px;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.2s;
}

#blendCloseButton:hover {
  opacity: 1;
}

#blendControls {
  position: sticky;
  top: 0;
  background-color: var(--background-color-B);
  padding: 5px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 1000;
  flex-wrap: wrap;
}

#blendControls button {
  margin: 0;
}

.blend-control-group {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-left: 8px;
  border-left: 1px solid var(--fjm-border-color);
}

.blend-control-group:last-child {
  margin-left: auto;
}

#blendSelectedInfo {
  font-size: 12px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

#blendApplyButton {
  background-color: var(--fjm-button-bg-color);
  color: var(--component-text-color);
  border: 1px solid var(--fjm-border-color);
  padding: 5px 16px;
  cursor: default;
  font-weight: bold;
  border-radius: var(--fjm-button-border-radius);
  opacity: 0.5;
  pointer-events: none;
  transition: all 0.2s;
}

#blendApplyButton.active {
  background-color: var(--color-accent);
  color: var(--color-text-primary);
  border-color: var(--color-accent);
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
}

#blendApplyButton.active:hover {
  filter: brightness(1.2);
}

#blendMainContent {
  display: flex;
  flex: 1;
  overflow: hidden;
}

#blendLeftPanel {
  flex: 1;
  overflow-y: auto;
  min-width: 0;
}

#sourceImages {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  justify-content: center;
  padding: 5px;
}

#blendModes {
  padding: 5px;
}

#blendImageList {
  width: 250px;
  min-width: 200px;
  border-left: 1px solid var(--fjm-border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#blendImageListHeader {
  padding: 8px;
  font-size: 12px;
  font-weight: bold;
  background-color: var(--background-color-B);
  border-bottom: 1px solid var(--fjm-border-color);
}

#blendImageListBody {
  flex: 1;
  overflow-y: auto;
  padding: 4px;
}

.blend-image-list-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: var(--fjm-button-border-radius);
  cursor: pointer;
  transition: background-color 0.15s;
}

.blend-image-list-item:hover {
  background-color: var(--fjm-button-hover-bg-color);
}

.blend-image-list-item.checked {
  background-color: rgba(var(--color-accent-rgb, 66, 133, 244), 0.1);
}

.blend-image-checkbox {
  flex-shrink: 0;
  cursor: pointer;
  width: 16px;
  height: 16px;
}

.blend-image-thumb {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  overflow: hidden;
  border-radius: var(--fjm-button-border-radius);
  border: 1px solid var(--fjm-border-color);
}

.blend-image-thumb canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.blend-image-name {
  flex: 1;
  font-size: 11px;
  color: var(--component-text-color);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.layer-preview-blend.blend-preview-dragging {
  opacity: 0.7;
  z-index: 10;
  position: relative;
}

.blend-category {
  margin-bottom: 8px;
}

.blend-category-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  cursor: pointer;
  background-color: var(--fjm-button-bg-color);
  border-radius: var(--fjm-button-border-radius);
  user-select: none;
  font-size: 12px;
  font-weight: bold;
  color: var(--component-text-color);
}

.blend-category-header:hover {
  background-color: var(--fjm-button-hover-bg-color);
}

.blend-category-toggle {
  display: inline-block;
  transition: transform 0.2s;
  font-size: 10px;
}

.blend-category.collapsed .blend-category-toggle {
  transform: rotate(-90deg);
}

.blend-category.collapsed .blend-category-grid {
  display: none;
}

.blend-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 6px;
  padding: 6px 0;
}

.layer-preview-blend,
.blend-mode-container {
  margin: 3px;
  text-align: center;
  position: relative;
}

.blend-mode-container {
  border: 2px solid transparent;
  border-radius: var(--fjm-button-border-radius);
  padding: 3px;
  cursor: pointer;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

.blend-mode-container.blend-mode-loading {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--fjm-button-bg-color);
  cursor: default;
}

.blend-mode-container:not(.blend-mode-loading):hover {
  border-color: var(--color-accent-hover);
  box-shadow: 0 0 5px rgba(0, 0, 255, 0.3);
}

.blend-mode-container.blend-mode-selected {
  border-color: var(--color-accent);
  box-shadow: 0 0 8px rgba(255, 0, 0, 0.3);
}

.blend-mode-container canvas {
  border: 1px solid var(--fjm-border-color);
  cursor: pointer;
  width: 100%;
  height: auto;
}

.blend-mode-label {
  font-size: 11px;
  padding: 2px 0;
  color: var(--component-text-color);
}

.layer-preview-blend {
  position: relative;
  cursor: grab;
}

.layer-preview-blend:hover {
  outline: 2px dashed var(--color-accent);
  outline-offset: 2px;
}

.blend-preview-drag-indicator {
  position: absolute;
  top: 2px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  color: var(--component-text-color);
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 1;
  pointer-events: none;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: var(--fjm-button-border-radius);
  padding: 0 6px;
  line-height: 20px;
}

.layer-preview-blend:hover .blend-preview-drag-indicator {
  opacity: 1;
}

.layer-preview-blend canvas {
  border: 1px solid var(--fjm-border-color);
  cursor: grab;
  transition: all 0.3s ease;
}

.layer-preview-blend.unchecked canvas {
  opacity: 0.35;
}

.layer-preview-blend .layer-status-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  font-size: 28px;
}

.layer-preview-blend.unchecked .layer-status-overlay {
  background-color: rgba(0, 0, 0, 0.3);
  color: #ff4444;
}

.layer-preview-blend.checked .layer-status-overlay {
  color: #44ff44;
}

.layer-checkbox-blend {
  display: none;
}

#enlargedImageContainerBlend {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: var(--z-overlay);
  cursor: pointer;
}

#enlargedImage {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 90%;
  max-height: 90%;
}

#layerPreviewsBlend {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding: 10px 0;
}

.blend-layer-editor {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--background-color-A);
  color: var(--component-text-color);
  border: 2px solid var(--fjm-border-color);
  border-radius: var(--fjm-border-radius);
  padding: 20px;
  z-index: var(--z-font-manager);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 220px;
}

.blend-layer-editor h3 {
  margin: 0;
  font-size: 14px;
}

.blend-layer-editor button {
  cursor: pointer;
}

.blend-editor-label {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.blend-editor-buttons {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}