githubmirror/pdf.js

web/viewer.css
1 689 строк39 KB
Calixte Denizet
Slightly reduce the memory used by thumbnails
28 ноя 2025, 23:52
28 ноя 2025, 23:52423379e
/* Copyright 2014 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

@import url(pdf_viewer.css);

:root {
  --dir-factor: 1;
  /*#if !MOZCENTRAL*/
  --inline-start: left;
  --inline-end: right;
  /*#endif*/

  --sidebar-width: 200px;
  --sidebar-transition-duration: 200ms;
  --sidebar-transition-timing-function: ease;

  --toolbar-height: 32px;
  --toolbar-horizontal-padding: 1px;
  --toolbar-vertical-padding: 2px;
  --icon-size: 16px;

  --toolbar-icon-opacity: 0.7;
  --doorhanger-icon-opacity: 0.9;
  --doorhanger-height: 8px;

  --main-color: light-dark(rgb(12 12 13), rgb(249 249 250));
  --body-bg-color: light-dark(rgb(212 212 215), rgb(42 42 46));
  --progressBar-color: light-dark(rgb(10 132 255), rgb(0 96 223));
  --progressBar-bg-color: light-dark(rgb(221 221 222), rgb(40 40 43));
  --progressBar-blend-color: light-dark(rgb(116 177 239), rgb(20 68 133));
  --scrollbar-color: light-dark(auto, rgb(121 121 123));
  --scrollbar-bg-color: light-dark(auto, rgb(35 35 39));
  --toolbar-icon-bg-color: light-dark(rgb(0 0 0), rgb(255 255 255));
  --toolbar-icon-hover-bg-color: light-dark(rgb(0 0 0), rgb(255 255 255));

  --sidebar-narrow-bg-color: light-dark(
    rgb(212 212 215 / 0.9),
    rgb(42 42 46 / 0.9)
  );
  --sidebar-toolbar-bg-color: light-dark(rgb(245 246 247), rgb(50 50 52));
  --toolbar-bg-color: light-dark(rgb(249 249 250), rgb(56 56 61));
  --toolbar-border-color: light-dark(rgb(184 184 184), rgb(12 12 13));
  --toolbar-box-shadow: 0 1px 0 var(--toolbar-border-color);
  --toolbar-border-bottom: none;
  --toolbarSidebar-box-shadow:
    inset calc(-1px * var(--dir-factor)) 0 0 rgb(0 0 0 / 0.25),
    0 1px 0 rgb(0 0 0 / 0.15), 0 0 1px rgb(0 0 0 / 0.1);
  --toolbarSidebar-border-bottom: none;
  --button-hover-color: color-mix(in srgb, currentColor 17%, transparent);
  --toggled-btn-color: light-dark(rgb(0 0 0), rgb(255 255 255));
  --toggled-btn-bg-color: rgb(0 0 0 / 0.3);
  --toggled-hover-active-btn-color: rgb(0 0 0 / 0.4);
  --toggled-hover-btn-outline: none;
  --dropdown-btn-bg-color: light-dark(rgb(215 215 219), rgb(74 74 79));
  --dropdown-btn-border: none;
  --separator-color: rgb(0 0 0 / 0.3);
  --field-color: light-dark(rgb(6 6 6), rgb(250 250 250));
  --field-bg-color: light-dark(rgb(255 255 255), rgb(64 64 68));
  --field-border-color: light-dark(rgb(187 187 188), rgb(115 115 115));
  --treeitem-color: light-dark(rgb(0 0 0 / 0.8), rgb(255 255 255 / 0.8));
  --treeitem-bg-color: light-dark(rgb(0 0 0 / 0.15), rgb(255 255 255 / 0.15));
  --treeitem-hover-color: light-dark(rgb(0 0 0 / 0.9), rgb(255 255 255 / 0.9));
  --treeitem-selected-color: light-dark(
    rgb(0 0 0 / 0.9),
    rgb(255 255 255 / 0.9)
  );
  --treeitem-selected-bg-color: light-dark(
    rgb(0 0 0 / 0.25),
    rgb(255 255 255 / 0.25)
  );
  --thumbnail-hover-color: light-dark(rgb(0 0 0 / 0.1), rgb(255 255 255 / 0.1));
  --thumbnail-selected-color: light-dark(
    rgb(0 0 0 / 0.2),
    rgb(255 255 255 / 0.2)
  );
  --doorhanger-bg-color: light-dark(rgb(255 255 255), #42414d);
  --doorhanger-border-color: light-dark(rgb(12 12 13 / 0.2), rgb(39 39 43));
  --doorhanger-hover-color: light-dark(rgb(12 12 13), rgb(249 249 250));
  --doorhanger-separator-color: light-dark(rgb(222 222 222), rgb(92 92 97));
  --dialog-button-border: none;
  --dialog-button-bg-color: light-dark(rgb(12 12 13 / 0.1), rgb(92 92 97));
  --dialog-button-hover-bg-color: light-dark(
    rgb(12 12 13 / 0.3),
    rgb(115 115 115)
  );

  --loading-icon: url(images/loading.svg);
  --treeitem-expanded-icon: url(images/treeitem-expanded.svg);
  --treeitem-collapsed-icon: url(images/treeitem-collapsed.svg);
  --toolbarButton-editorComment-icon: url(images/comment-editButton.svg);
  --toolbarButton-editorFreeText-icon: url(images/toolbarButton-editorFreeText.svg);
  --toolbarButton-editorHighlight-icon: url(images/toolbarButton-editorHighlight.svg);
  --toolbarButton-editorInk-icon: url(images/toolbarButton-editorInk.svg);
  --toolbarButton-editorStamp-icon: url(images/toolbarButton-editorStamp.svg);
  --toolbarButton-editorSignature-icon: url(images/toolbarButton-editorSignature.svg);
  --toolbarButton-menuArrow-icon: url(images/toolbarButton-menuArrow.svg);
  --toolbarButton-sidebarToggle-icon: url(images/toolbarButton-sidebarToggle.svg);
  --toolbarButton-secondaryToolbarToggle-icon: url(images/toolbarButton-secondaryToolbarToggle.svg);
  --toolbarButton-pageUp-icon: url(images/toolbarButton-pageUp.svg);
  --toolbarButton-pageDown-icon: url(images/toolbarButton-pageDown.svg);
  --toolbarButton-zoomOut-icon: url(images/toolbarButton-zoomOut.svg);
  --toolbarButton-zoomIn-icon: url(images/toolbarButton-zoomIn.svg);
  --toolbarButton-presentationMode-icon: url(images/toolbarButton-presentationMode.svg);
  --toolbarButton-print-icon: url(images/toolbarButton-print.svg);
  /*#if GENERIC*/
  --toolbarButton-openFile-icon: url(images/toolbarButton-openFile.svg);
  /*#endif*/
  --toolbarButton-download-icon: url(images/toolbarButton-download.svg);
  --toolbarButton-bookmark-icon: url(images/toolbarButton-bookmark.svg);
  --toolbarButton-viewThumbnail-icon: url(images/toolbarButton-viewThumbnail.svg);
  --toolbarButton-viewOutline-icon: url(images/toolbarButton-viewOutline.svg);
  --toolbarButton-viewAttachments-icon: url(images/toolbarButton-viewAttachments.svg);
  --toolbarButton-viewLayers-icon: url(images/toolbarButton-viewLayers.svg);
  --toolbarButton-currentOutlineItem-icon: url(images/toolbarButton-currentOutlineItem.svg);
  --toolbarButton-search-icon: url(images/toolbarButton-search.svg);
  --findbarButton-previous-icon: url(images/findbarButton-previous.svg);
  --findbarButton-next-icon: url(images/findbarButton-next.svg);
  --secondaryToolbarButton-firstPage-icon: url(images/secondaryToolbarButton-firstPage.svg);
  --secondaryToolbarButton-lastPage-icon: url(images/secondaryToolbarButton-lastPage.svg);
  --secondaryToolbarButton-rotateCcw-icon: url(images/secondaryToolbarButton-rotateCcw.svg);
  --secondaryToolbarButton-rotateCw-icon: url(images/secondaryToolbarButton-rotateCw.svg);
  --secondaryToolbarButton-selectTool-icon: url(images/secondaryToolbarButton-selectTool.svg);
  --secondaryToolbarButton-handTool-icon: url(images/secondaryToolbarButton-handTool.svg);
  --secondaryToolbarButton-scrollPage-icon: url(images/secondaryToolbarButton-scrollPage.svg);
  --secondaryToolbarButton-scrollVertical-icon: url(images/secondaryToolbarButton-scrollVertical.svg);
  --secondaryToolbarButton-scrollHorizontal-icon: url(images/secondaryToolbarButton-scrollHorizontal.svg);
  --secondaryToolbarButton-scrollWrapped-icon: url(images/secondaryToolbarButton-scrollWrapped.svg);
  --secondaryToolbarButton-spreadNone-icon: url(images/secondaryToolbarButton-spreadNone.svg);
  --secondaryToolbarButton-spreadOdd-icon: url(images/secondaryToolbarButton-spreadOdd.svg);
  --secondaryToolbarButton-spreadEven-icon: url(images/secondaryToolbarButton-spreadEven.svg);
  --secondaryToolbarButton-imageAltTextSettings-icon: var(
    --toolbarButton-editorStamp-icon
  );
  --secondaryToolbarButton-documentProperties-icon: url(images/secondaryToolbarButton-documentProperties.svg);
  --editorParams-stampAddImage-icon: url(images/toolbarButton-zoomIn.svg);
  --comment-edit-button-icon: url(images/comment-editButton.svg);
}

:root:dir(rtl) {
  --dir-factor: -1;
  /*#if !MOZCENTRAL*/
  --inline-start: right;
  --inline-end: left;
  /*#endif*/
}

@media screen and (forced-colors: active) {
  :root {
    --button-hover-color: Highlight;
    --toolbar-icon-opacity: 1;
    --toolbar-icon-bg-color: ButtonText;
    --toolbar-icon-hover-bg-color: ButtonFace;
    --toggled-hover-active-btn-color: ButtonText;
    --toggled-hover-btn-outline: 2px solid ButtonBorder;
    --toolbar-border-color: CanvasText;
    --toolbar-border-bottom: 1px solid var(--toolbar-border-color);
    --toolbar-box-shadow: none;
    --toggled-btn-color: HighlightText;
    --toggled-btn-bg-color: LinkText;
    --doorhanger-hover-color: ButtonFace;
    --doorhanger-border-color-whcm: 1px solid ButtonText;
    --doorhanger-triangle-opacity-whcm: 0;
    --dialog-button-border: 1px solid Highlight;
    --dialog-button-hover-bg-color: Highlight;
    --dialog-button-hover-color: ButtonFace;
    --dropdown-btn-border: 1px solid ButtonText;
    --field-border-color: ButtonText;
    --main-color: CanvasText;
    --separator-color: GrayText;
    --doorhanger-separator-color: GrayText;
    --toolbarSidebar-box-shadow: none;
    --toolbarSidebar-border-bottom: 1px solid var(--toolbar-border-color);
  }
}

@media screen and (prefers-reduced-motion: reduce) {
  :root {
    --sidebar-transition-duration: 0;
  }
}

@keyframes progressIndeterminate {
  0% {
    transform: translateX(calc(-142px * var(--dir-factor)));
  }

  100% {
    transform: translateX(0);
  }
}

html {
  &[data-toolbar-density="compact"] {
    --toolbar-height: 30px;
  }
  &[data-toolbar-density="touch"] {
    --toolbar-height: 44px;
  }
}

html,
body {
  height: 100%;
  width: 100%;
}

body {
  margin: 0;
  background-color: var(--body-bg-color);
  scrollbar-color: var(--scrollbar-color) var(--scrollbar-bg-color);

  &.wait::before {
    content: "";
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 100000;
    cursor: wait;
  }
}

/* The following class is used to hide an element but keep it available to
 * for screen readers. */
.visuallyHidden {
  position: absolute;
  top: 0;
  left: 0;
  border: 0;
  margin: 0;
  padding: 0;
  width: 0;
  height: 0;
  overflow: hidden;
  white-space: nowrap;
  font-size: 0;
}

.hidden,
[hidden] {
  display: none !important;
}

#viewerContainer.pdfPresentationMode:fullscreen {
  top: 0;
  background-color: rgb(0 0 0);
  width: 100%;
  height: 100%;
  overflow: hidden;
  cursor: none;
  user-select: none;
}

.pdfPresentationMode:fullscreen section:not([data-internal-link]) {
  pointer-events: none;
}

.pdfPresentationMode:fullscreen .textLayer span {
  cursor: none;
}

.pdfPresentationMode.pdfPresentationModeControls > *,
.pdfPresentationMode.pdfPresentationModeControls .textLayer span {
  cursor: default;
}

#outerContainer {
  width: 100%;
  height: 100%;
  position: relative;
  margin: 0;
}

#sidebarContainer {
  position: absolute;
  inset-block: var(--toolbar-height) 0;
  inset-inline-start: calc(-1 * var(--sidebar-width));
  width: var(--sidebar-width);
  visibility: hidden;
  z-index: 1;
  font: message-box;
  border-top: 1px solid transparent;
  border-inline-end: var(--doorhanger-border-color-whcm);
  transition-property: inset-inline-start;
  transition-duration: var(--sidebar-transition-duration);
  transition-timing-function: var(--sidebar-transition-timing-function);
}

#outerContainer:is(.sidebarMoving, .sidebarOpen) #sidebarContainer {
  visibility: visible;
}

#outerContainer.sidebarOpen #sidebarContainer {
  inset-inline-start: 0;
}

#mainContainer {
  position: absolute;
  inset: 0;
  min-width: 350px;
  margin: 0;
  display: flex;
  flex-direction: column;
}

#sidebarContent {
  inset-block: var(--toolbar-height) 0;
  inset-inline-start: 0;
  overflow: auto;
  position: absolute;
  width: 100%;
  box-shadow: inset calc(-1px * var(--dir-factor)) 0 0 rgb(0 0 0 / 0.25);
}

#viewerContainer {
  overflow: auto;
  position: absolute;
  inset: var(--toolbar-height) 0 0;
  outline: none;
  z-index: 0;
}

#viewerContainer:not(.pdfPresentationMode) {
  transition-duration: var(--sidebar-transition-duration);
  transition-timing-function: var(--sidebar-transition-timing-function);
}

#outerContainer.sidebarOpen #viewerContainer:not(.pdfPresentationMode) {
  inset-inline-start: var(--sidebar-width);
  transition-property: inset-inline-start;
}

#sidebarContainer :is(input, button, select) {
  font: message-box;
}

.toolbar {
  z-index: 2;
}

#toolbarSidebar {
  width: 100%;
  height: var(--toolbar-height);
  background-color: var(--sidebar-toolbar-bg-color);
  box-shadow: var(--toolbarSidebar-box-shadow);
  border-bottom: var(--toolbarSidebar-border-bottom);
  padding: var(--toolbar-vertical-padding) var(--toolbar-horizontal-padding);
  justify-content: space-between;

  #toolbarSidebarLeft {
    width: auto;
    height: 100%;

    #viewThumbnail::before {
      mask-image: var(--toolbarButton-viewThumbnail-icon);
    }

    #viewOutline::before {
      mask-image: var(--toolbarButton-viewOutline-icon);
      transform: scaleX(var(--dir-factor));
    }

    #viewAttachments::before {
      mask-image: var(--toolbarButton-viewAttachments-icon);
    }

    #viewLayers::before {
      mask-image: var(--toolbarButton-viewLayers-icon);
    }
  }

  #toolbarSidebarRight {
    width: auto;
    height: 100%;
    padding-inline-end: 2px;
  }
}

#sidebarResizer {
  position: absolute;
  inset-block: 0;
  inset-inline-end: -6px;
  width: 6px;
  z-index: 200;
  cursor: ew-resize;
}

#outerContainer.sidebarOpen #loadingBar {
  inset-inline-start: var(--sidebar-width);
}

#outerContainer.sidebarResizing
  :is(#sidebarContainer, #viewerContainer, #loadingBar) {
  /* Improve responsiveness and avoid visual glitches when the sidebar is resized. */
  transition-duration: 0s;
}

.doorHanger,
.doorHangerRight {
  border-radius: 2px;
  box-shadow:
    0 1px 5px var(--doorhanger-border-color),
    0 0 0 1px var(--doorhanger-border-color);
  border: var(--doorhanger-border-color-whcm);
  background-color: var(--doorhanger-bg-color);
  inset-block-start: calc(100% + var(--doorhanger-height) - 2px);

  &::after,
  &::before {
    bottom: 100%;
    border-style: solid;
    border-color: transparent;
    content: "";
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none;
    opacity: var(--doorhanger-triangle-opacity-whcm);
  }

  &::before {
    border-width: calc(var(--doorhanger-height) + 2px);
    border-bottom-color: var(--doorhanger-border-color);
  }

  &::after {
    border-width: var(--doorhanger-height);
  }
}

.doorHangerRight {
  inset-inline-end: calc(50% - var(--doorhanger-height) - 1px);

  &::before {
    inset-inline-end: -1px;
  }

  &::after {
    border-bottom-color: var(--doorhanger-bg-color);
    inset-inline-end: 1px;
  }
}

.doorHanger {
  inset-inline-start: calc(50% - var(--doorhanger-height) - 1px);

  &::before {
    inset-inline-start: -1px;
  }

  &::after {
    border-bottom-color: var(--toolbar-bg-color);
    inset-inline-start: 1px;
  }
}

.dialogButton {
  border: none;
  background: none;
  width: 28px;
  height: 28px;
  outline: none;
}

.dialogButton:is(:hover, :focus-visible) {
  background-color: var(--dialog-button-hover-bg-color);
}

.dialogButton:is(:hover, :focus-visible) > span {
  color: var(--dialog-button-hover-color);
}

.splitToolbarButtonSeparator {
  float: var(--inline-start);
  width: 0;
  height: 62%;
  border-left: 1px solid var(--separator-color);
  border-right: none;
}

.dialogButton {
  min-width: 16px;
  margin: 2px 1px;
  padding: 2px 6px 0;
  border: none;
  border-radius: 2px;
  color: var(--main-color);
  font-size: 12px;
  line-height: 14px;
  user-select: none;
  cursor: default;
  box-sizing: border-box;
}

.treeItemToggler::before {
  /* All matching images have a size of 16x16
   * All relevant containers have a size of 28x28 */
  position: absolute;
  display: inline-block;
  width: 16px;
  height: 16px;

  content: "";
  background-color: var(--toolbar-icon-bg-color);
  mask-size: cover;
}

#sidebarToggleButton::before {
  mask-image: var(--toolbarButton-sidebarToggle-icon);
  transform: scaleX(var(--dir-factor));
}

#secondaryToolbarToggleButton::before {
  mask-image: var(--toolbarButton-secondaryToolbarToggle-icon);
  transform: scaleX(var(--dir-factor));
}

#previous::before {
  mask-image: var(--toolbarButton-pageUp-icon);
}

#next::before {
  mask-image: var(--toolbarButton-pageDown-icon);
}

#zoomOutButton::before {
  mask-image: var(--toolbarButton-zoomOut-icon);
}

#zoomInButton::before {
  mask-image: var(--toolbarButton-zoomIn-icon);
}

#editorCommentButton::before {
  mask-image: var(--toolbarButton-editorComment-icon);
  transform: scaleX(var(--dir-factor));
}

#editorFreeTextButton::before {
  mask-image: var(--toolbarButton-editorFreeText-icon);
}

#editorHighlightButton::before {
  mask-image: var(--toolbarButton-editorHighlight-icon);
}

#editorInkButton::before {
  mask-image: var(--toolbarButton-editorInk-icon);
}

#editorStampButton::before {
  mask-image: var(--toolbarButton-editorStamp-icon);
}

#editorSignatureButton::before {
  mask-image: var(--toolbarButton-editorSignature-icon);
}

#printButton::before {
  mask-image: var(--toolbarButton-print-icon);
}

#downloadButton::before {
  mask-image: var(--toolbarButton-download-icon);
}

#currentOutlineItem::before {
  mask-image: var(--toolbarButton-currentOutlineItem-icon);
  transform: scaleX(var(--dir-factor));
}

#viewFindButton::before {
  mask-image: var(--toolbarButton-search-icon);
}

.pdfSidebarNotification::after {
  position: absolute;
  display: inline-block;
  top: 2px;
  inset-inline-end: 2px;
  /* Create a filled circle, with a diameter of 9 pixels, using only CSS: */
  content: "";
  background-color: rgb(112 219 85);
  height: 9px;
  width: 9px;
  border-radius: 50%;
}

.verticalToolbarSeparator {
  display: block;
  margin-inline: 2px;
  width: 0;
  height: 80%;
  border-left: 1px solid var(--separator-color);
  border-right: none;
  box-sizing: border-box;
}

.horizontalToolbarSeparator {
  display: block;
  margin: 6px 0;
  border-top: 1px solid var(--doorhanger-separator-color);
  border-bottom: none;
  height: 0;
  width: 100%;
}

.toggleButton {
  display: inline;

  &:has(> input:checked) {
    color: var(--toggled-btn-color);
    background-color: var(--toggled-btn-bg-color);
  }

  &:is(:hover, :has(> input:focus-visible)) {
    color: var(--toggled-btn-color);
    background-color: var(--button-hover-color);
  }

  & > input {
    position: absolute;
    top: 50%;
    left: 50%;
    opacity: 0;
    width: 0;
    height: 0;
  }
}

.toolbarField {
  padding: 4px 7px;
  margin: 3px 0;
  border-radius: 2px;
  background-color: var(--field-bg-color);
  background-clip: padding-box;
  border: 1px solid var(--field-border-color);
  box-shadow: none;
  color: var(--field-color);
  font-size: 12px;
  line-height: 16px;
  outline: none;

  &:focus {
    border-color: #0a84ff;
  }
}

#pageNumber {
  -moz-appearance: textfield; /* hides the spinner in moz */
  text-align: end;
  width: 40px;
  background-size: 0 0;
  transition-property: none;

  /*#if !MOZCENTRAL*/
  &::-webkit-inner-spin-button {
    -webkit-appearance: none;
  }
  /*#endif*/

  .loadingInput:has(> &.loading)::after {
    display: inline;
    visibility: visible;

    transition-property: visibility;
    transition-delay: var(--loading-icon-delay);
  }
}

.loadingInput {
  position: relative;

  &::after {
    position: absolute;
    visibility: hidden;
    display: none;
    width: var(--icon-size);
    height: var(--icon-size);

    content: "";
    background-color: var(--toolbar-icon-bg-color);
    mask-size: cover;
    mask-image: var(--loading-icon);
  }

  &.start::after {
    inset-inline-start: 4px;
  }

  &.end::after {
    inset-inline-end: 4px;
  }
}

#thumbnailView,
#outlineView,
#attachmentsView,
#layersView {
  position: absolute;
  width: calc(100% - 8px);
  inset-block: 0;
  padding: 4px 4px 0;
  overflow: auto;
  user-select: none;
}

#thumbnailView {
  --thumbnail-width: 98px;

  display: flex;
  flex-wrap: wrap;
  width: calc(100% - 60px);
  padding: 10px 30px 0;

  > a {
    width: auto;
    height: auto;

    > .thumbnail {
      width: var(--thumbnail-width);
      margin: 0 10px 5px;
      padding: 1px;
      border: 7px solid transparent;
      border-radius: 2px;

      &.selected {
        border-color: var(--thumbnail-selected-color) !important;

        > .thumbnailImage {
          opacity: 1 !important;
        }
      }

      &.missingThumbnailImage {
        border: 1px dashed rgb(132 132 132);
        padding: 7px;
        > .thumbnailImage {
          display: none;
        }
      }

      > .thumbnailImage {
        width: 100%;
        opacity: 0.9;
      }
    }

    &:is(:active, :focus) {
      outline: 0;
    }

    &:last-of-type > .thumbnail {
      margin-bottom: 10px;
    }

    &:focus > .thumbnail,
    .thumbnail:hover {
      border-color: var(--thumbnail-hover-color);

      > .thumbnailImage {
        opacity: 0.95;
      }
    }
  }
}

.treeWithDeepNesting > .treeItem,
.treeItem > .treeItems {
  margin-inline-start: 20px;
}

.treeItem > a {
  text-decoration: none;
  display: inline-block;
  /* Subtract the right padding (left, in RTL mode) of the container: */
  min-width: calc(100% - 4px);
  height: auto;
  margin-bottom: 1px;
  padding: 2px 0 5px;
  padding-inline-start: 4px;
  border-radius: 2px;
  color: var(--treeitem-color);
  font-size: 13px;
  line-height: 15px;
  user-select: none;
  white-space: normal;
  cursor: pointer;
}

#layersView .treeItem > a * {
  cursor: pointer;
}

#layersView .treeItem > a > label {
  padding-inline-start: 4px;
}

#layersView .treeItem > a > label > input {
  float: var(--inline-start);
  margin-top: 1px;
}

.treeItemToggler {
  position: relative;
  float: var(--inline-start);
  height: 0;
  width: 0;
  color: rgb(255 255 255 / 0.5);
}

.treeItemToggler::before {
  inset-inline-end: 4px;
  mask-image: var(--treeitem-expanded-icon);
}

.treeItemToggler.treeItemsHidden::before {
  mask-image: var(--treeitem-collapsed-icon);
  transform: scaleX(var(--dir-factor));
}

.treeItemToggler.treeItemsHidden ~ .treeItems {
  display: none;
}

.treeItem.selected > a {
  background-color: var(--treeitem-selected-bg-color);
  color: var(--treeitem-selected-color);
}

.treeItemToggler:hover,
.treeItemToggler:hover + a,
.treeItemToggler:hover ~ .treeItems,
.treeItem > a:hover {
  background-color: var(--treeitem-bg-color);
  background-clip: padding-box;
  border-radius: 2px;
  color: var(--treeitem-hover-color);
}

#outlineOptionsContainer {
  display: none;

  #sidebarContainer:has(#outlineView:not(.hidden)) & {
    display: inline flex;
  }
}

.dialogButton {
  width: auto;
  margin: 3px 4px 2px !important;
  padding: 2px 11px;
  color: var(--main-color);
  background-color: var(--dialog-button-bg-color);
  border: var(--dialog-button-border) !important;
}

dialog {
  margin: auto;
  padding: 15px;
  border-spacing: 4px;
  color: var(--main-color);
  font: message-box;
  font-size: 12px;
  line-height: 14px;
  background-color: var(--doorhanger-bg-color);
  border: 1px solid rgb(0 0 0 / 0.5);
  border-radius: 4px;
  box-shadow: 0 1px 4px rgb(0 0 0 / 0.3);
}

dialog::backdrop {
  background-color: rgb(0 0 0 / 0.2);
}

dialog > .row {
  display: table-row;
}

dialog > .row > * {
  display: table-cell;
}

dialog .toolbarField {
  margin: 5px 0;
}

dialog .separator {
  display: block;
  margin: 4px 0;
  height: 0;
  width: 100%;
  border-top: 1px solid var(--separator-color);
  border-bottom: none;
}

dialog .buttonRow {
  text-align: center;
  vertical-align: middle;
}

dialog :link {
  color: rgb(255 255 255);
}

#passwordDialog {
  text-align: center;
}

#passwordDialog .toolbarField {
  width: 200px;
}

#documentPropertiesDialog {
  text-align: left;
}

#documentPropertiesDialog .row > * {
  min-width: 100px;
  text-align: start;
}

#documentPropertiesDialog .row > span {
  width: 125px;
  word-wrap: break-word;
}

#documentPropertiesDialog .row > p {
  max-width: 225px;
  word-wrap: break-word;
}

#documentPropertiesDialog .buttonRow {
  margin-top: 10px;
}

.grab-to-pan-grab {
  cursor: grab !important;
}

.grab-to-pan-grab
  *:not(input):not(textarea):not(button):not(select):not(:link) {
  cursor: inherit !important;
}

.grab-to-pan-grab:active,
.grab-to-pan-grabbing {
  cursor: grabbing !important;
}

.grab-to-pan-grabbing {
  position: fixed;
  background: rgb(0 0 0 / 0);
  display: block;
  inset: 0;
  overflow: hidden;
  z-index: 50000; /* should be higher than anything else in PDF.js! */
}

.toolbarButton {
  height: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--main-color);
  outline: none;
  border-radius: 2px;
  box-sizing: border-box;
  font: message-box;
  flex: none;
  position: relative;
  padding: 0;

  > span {
    display: inline-block;
    width: 0;
    height: 0;
    overflow: hidden;
  }

  &::before {
    opacity: var(--toolbar-icon-opacity);
    display: inline-block;
    width: var(--icon-size);
    height: var(--icon-size);
    content: "";
    background-color: var(--toolbar-icon-bg-color);
    mask-size: cover;
    mask-position: center;
  }

  &.toggled {
    background-color: var(--toggled-btn-bg-color);
    color: var(--toggled-btn-color);

    &::before {
      background-color: var(--toggled-btn-color);
    }

    &:hover {
      outline: var(--toggled-hover-btn-outline) !important;

      &:active {
        background-color: var(--toggled-hover-active-btn-color);
      }
    }
  }

  &:is(:hover, :focus-visible) {
    background-color: var(--button-hover-color);

    &::before {
      background-color: var(--toolbar-icon-hover-bg-color);
    }
  }

  &:is([disabled="disabled"], [disabled]) {
    opacity: 0.5;
    pointer-events: none;
  }

  &.labeled {
    width: 100%;
    min-height: var(--menuitem-height);
    justify-content: flex-start;
    gap: 8px;
    padding-inline-start: 12px;
    aspect-ratio: unset;
    text-align: start;
    white-space: normal;
    cursor: default;

    &:is(a) {
      text-decoration: none;

      &[href="#"] {
        opacity: 0.5;
        pointer-events: none;
      }
    }

    &::before {
      opacity: var(--doorhanger-icon-opacity);
    }

    &:is(:hover, :focus-visible) {
      color: var(--doorhanger-hover-color);
    }

    > span {
      display: inline-block;
      width: max-content;
      height: auto;
    }
  }
}

.toolbarButtonWithContainer {
  height: 100%;
  aspect-ratio: 1;
  display: inline-block;
  position: relative;
  flex: none;

  > .toolbarButton {
    width: 100%;
    height: 100%;
  }

  .menu {
    padding-block: 5px;
  }

  .menuContainer {
    height: auto;
    max-height: calc(
      var(--viewer-container-height) - var(--toolbar-height) -
        var(--doorhanger-height)
    );
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    overflow-y: auto;
  }

  .editorParamsToolbar {
    --editor-toolbar-min-width: 220px;

    height: auto;
    min-width: var(--editor-toolbar-min-width);
    width: max-content;
    position: absolute;
    z-index: 30000;
    cursor: default;

    :is(#editorStampAddImage, #editorSignatureAddSignature)::before {
      mask-image: var(--editorParams-stampAddImage-icon);
    }

    .editorParamsLabel {
      flex: none;
      font: menu;
      font-size: 13px;
      font-style: normal;
      font-weight: 400;
      line-height: 150%;
      width: fit-content;
      inset-inline-start: 0;
      color: var(--main-color);
    }

    button:is(:hover, :focus-visible) .editorParamsLabel {
      color: var(--doorhanger-hover-color);
    }

    .editorParamsToolbarContainer {
      width: 100%;
      height: auto;
      display: flex;
      flex-direction: column;
      box-sizing: border-box;
      padding-inline: 10px;
      padding-block: 10px;

      > .editorParamsSetter {
        min-height: 26px;
        display: flex;
        align-items: center;
        justify-content: space-between;
      }

      .editorParamsColor {
        width: 32px;
        height: 32px;
        flex: none;
        padding: 0;
      }

      .editorParamsSlider {
        background-color: transparent;
        width: 90px;
        flex: 0 1 0;
        font: message-box;

        &::-moz-range-progress {
          background-color: black;
        }

        /*#if !MOZCENTRAL*/
        &::-webkit-slider-runnable-track,
        /*#endif*/
        &::-moz-range-track {
          background-color: black;
        }

        /*#if !MOZCENTRAL*/
        &::-webkit-slider-thumb,
        /*#endif*/
        &::-moz-range-thumb {
          background-color: white;
        }
      }
    }
  }
}

#secondaryToolbar {
  height: auto;
  width: 220px;
  position: absolute;
  z-index: 30000;
  cursor: default;
  min-height: 26px;
  max-height: calc(var(--viewer-container-height) - 40px);

  #secondaryToolbarButtonContainer {
    /*#if GENERIC*/
    #secondaryOpenFile::before {
      mask-image: var(--toolbarButton-openFile-icon);
    }
    /*#endif*/

    #secondaryPrint::before {
      mask-image: var(--toolbarButton-print-icon);
    }

    #secondaryDownload::before {
      mask-image: var(--toolbarButton-download-icon);
    }

    #presentationMode::before {
      mask-image: var(--toolbarButton-presentationMode-icon);
    }

    #viewBookmark::before {
      mask-image: var(--toolbarButton-bookmark-icon);
    }

    #firstPage::before {
      mask-image: var(--secondaryToolbarButton-firstPage-icon);
    }

    #lastPage::before {
      mask-image: var(--secondaryToolbarButton-lastPage-icon);
    }

    #pageRotateCcw::before {
      mask-image: var(--secondaryToolbarButton-rotateCcw-icon);
    }

    #pageRotateCw::before {
      mask-image: var(--secondaryToolbarButton-rotateCw-icon);
    }

    #cursorSelectTool::before {
      mask-image: var(--secondaryToolbarButton-selectTool-icon);
    }

    #cursorHandTool::before {
      mask-image: var(--secondaryToolbarButton-handTool-icon);
    }

    #scrollPage::before {
      mask-image: var(--secondaryToolbarButton-scrollPage-icon);
    }

    #scrollVertical::before {
      mask-image: var(--secondaryToolbarButton-scrollVertical-icon);
    }

    #scrollHorizontal::before {
      mask-image: var(--secondaryToolbarButton-scrollHorizontal-icon);
    }

    #scrollWrapped::before {
      mask-image: var(--secondaryToolbarButton-scrollWrapped-icon);
    }

    #spreadNone::before {
      mask-image: var(--secondaryToolbarButton-spreadNone-icon);
    }

    #spreadOdd::before {
      mask-image: var(--secondaryToolbarButton-spreadOdd-icon);
    }

    #spreadEven::before {
      mask-image: var(--secondaryToolbarButton-spreadEven-icon);
    }

    #imageAltTextSettings::before {
      mask-image: var(--secondaryToolbarButton-imageAltTextSettings-icon);
    }

    #documentProperties::before {
      mask-image: var(--secondaryToolbarButton-documentProperties-icon);
    }
  }
}

#findbar {
  --input-horizontal-padding: 4px;
  --findbar-padding: 2px;

  width: max-content;
  max-width: 90vw;
  min-height: var(--toolbar-height);
  height: auto;
  position: absolute;
  z-index: 30000;
  cursor: default;
  padding: 0;
  min-width: 300px;
  background-color: var(--toolbar-bg-color);
  box-sizing: border-box;
  flex-wrap: wrap;
  justify-content: flex-start;

  > * {
    height: var(--toolbar-height);
    padding: var(--findbar-padding);
  }

  #findInputContainer {
    margin-inline-start: 2px;

    #findPreviousButton::before {
      mask-image: var(--findbarButton-previous-icon);
    }

    #findNextButton::before {
      mask-image: var(--findbarButton-next-icon);
    }

    #findInput {
      width: 200px;
      padding: 5px var(--input-horizontal-padding);

      /*#if !MOZCENTRAL*/
      &::-webkit-input-placeholder {
        color: rgb(191 191 191);
      }
      /*#endif*/
      &::placeholder {
        font-style: normal;
      }

      .loadingInput:has(> &[data-status="pending"])::after {
        display: inline;
        visibility: visible;
        inset-inline-end: calc(var(--input-horizontal-padding) + 1px);
      }

      &[data-status="notFound"] {
        background-color: rgb(255 102 102);
      }
    }
  }

  #findbarMessageContainer {
    display: none;
    gap: 4px;

    &:has(> :is(#findResultsCount, #findMsg):not(:empty)) {
      display: inline flex;
    }

    #findResultsCount {
      background-color: rgb(217 217 217);
      color: rgb(82 82 82);
      padding-block: 4px;

      &:empty {
        display: none;
      }
    }

    #findMsg {
      &[data-status="notFound"] {
        font-weight: bold;
      }

      &:empty {
        display: none;
      }
    }
  }

  &.wrapContainers {
    flex-direction: column;
    align-items: flex-start;
    height: max-content;

    .toolbarLabel {
      margin: 0 4px;
    }

    #findbarMessageContainer {
      flex-wrap: wrap;
      flex-flow: column nowrap;
      align-items: flex-start;
      height: max-content;

      #findResultsCount {
        height: calc(var(--toolbar-height) - 2 * var(--findbar-padding));
      }

      #findMsg {
        min-height: var(--toolbar-height);
      }
    }
  }
}

@page {
  margin: 0;
}

#printContainer {
  display: none;
}

@media print {
  body {
    background: rgb(0 0 0 / 0) none;
  }

  body[data-pdfjsprinting] #outerContainer {
    display: none;
  }

  body[data-pdfjsprinting] #printContainer {
    display: block;
  }

  #printContainer {
    height: 100%;
  }

  /* wrapper around (scaled) print canvas elements */
  #printContainer > .printedPage {
    page-break-after: always;
    page-break-inside: avoid;

    /* The wrapper always cover the whole page. */
    height: 100%;
    width: 100%;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  #printContainer > .xfaPrintedPage .xfaPage {
    position: absolute;
  }

  #printContainer > .xfaPrintedPage {
    page-break-after: always;
    page-break-inside: avoid;
    width: 100%;
    height: 100%;
    position: relative;
  }

  #printContainer > .printedPage :is(canvas, img) {
    /* The intrinsic canvas / image size will make sure that we fit the page. */
    max-width: 100%;
    max-height: 100%;

    direction: ltr;
    display: block;
  }
}

.visibleMediumView {
  display: none !important;
}

.toolbarLabel {
  width: max-content;
  min-width: 16px;
  height: 100%;
  padding-inline: 4px;
  margin: 2px;
  border-radius: 2px;
  color: var(--main-color);
  font-size: 12px;
  line-height: 14px;
  text-align: left;
  user-select: none;
  cursor: default;
  box-sizing: border-box;

  display: inline flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  > label {
    width: 100%;
  }
}

.toolbarHorizontalGroup {
  height: 100%;
  display: inline flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 1px;
  box-sizing: border-box;
}

.dropdownToolbarButton {
  display: inline flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  position: relative;

  width: fit-content;
  min-width: 140px;
  padding: 0;
  background-color: var(--dropdown-btn-bg-color);
  border: var(--dropdown-btn-border);
  border-radius: 2px;
  color: var(--main-color);
  font-size: 12px;
  line-height: 14px;
  user-select: none;
  cursor: default;
  box-sizing: border-box;
  outline: none;

  &:hover {
    background-color: var(--button-hover-color);
  }

  > select {
    appearance: none;
    width: inherit;
    min-width: inherit;
    height: 28px;
    font: message-box;
    font-size: 12px;
    color: var(--main-color);
    margin: 0;
    padding-block: 1px 2px;
    padding-inline: 6px 38px;
    border: none;
    outline: none;
    background-color: var(--dropdown-btn-bg-color);

    > option {
      background: var(--doorhanger-bg-color);
      color: var(--main-color);
    }

    &:is(:hover, :focus-visible) {
      background-color: var(--button-hover-color);
      color: var(--toggled-btn-color);
    }
  }

  &::after {
    /* All matching images have a size of 16x16
     * All relevant containers have a size of 28x28 */
    position: absolute;
    display: inline;
    width: var(--icon-size);
    height: var(--icon-size);

    content: "";
    background-color: var(--toolbar-icon-bg-color);
    mask-size: cover;

    inset-inline-end: 4px;
    pointer-events: none;
    mask-image: var(--toolbarButton-menuArrow-icon);
  }

  &:is(:hover, :focus-visible, :active)::after {
    background-color: var(--toolbar-icon-hover-bg-color);
  }
}

#toolbarContainer {
  --menuitem-height: calc(var(--toolbar-height) - 6px);

  width: 100%;
  height: var(--toolbar-height);
  padding: var(--toolbar-vertical-padding) var(--toolbar-horizontal-padding);
  position: relative;
  box-sizing: border-box;
  font: message-box;
  background-color: var(--toolbar-bg-color);
  box-shadow: var(--toolbar-box-shadow);
  border-bottom: var(--toolbar-border-bottom);

  #toolbarViewer {
    width: 100%;
    height: 100%;
    justify-content: space-between;

    > * {
      flex: none;
    }

    input {
      font: message-box;
    }

    .toolbarButtonSpacer {
      width: 30px;
      display: block;
      height: 1px;
    }

    #toolbarViewerLeft #numPages.toolbarLabel {
      padding-inline-start: 3px;
      flex: none;
    }
  }

  #loadingBar {
    /* Define these variables here, and not in :root, to avoid reflowing the
       entire viewer when updating progress (see issue 15958). */
    --progressBar-percent: 0%;
    --progressBar-end-offset: 0;

    position: absolute;
    top: var(--toolbar-height);
    inset-inline: 0 var(--progressBar-end-offset);
    height: 4px;
    background-color: var(--progressBar-bg-color);
    border-bottom: 1px solid var(--toolbar-border-color);
    transition-property: inset-inline-start;
    transition-duration: var(--sidebar-transition-duration);
    transition-timing-function: var(--sidebar-transition-timing-function);

    .progress {
      position: absolute;
      top: 0;
      inset-inline-start: 0;
      width: 100%;
      transform: scaleX(var(--progressBar-percent));
      transform-origin: calc(50% - 50% * var(--dir-factor)) 0;
      height: 100%;
      background-color: var(--progressBar-color);
      overflow: hidden;
      transition: transform 200ms;
    }

    &.indeterminate .progress {
      transform: none;
      background-color: var(--progressBar-bg-color);
      transition: none;

      .glimmer {
        position: absolute;
        top: 0;
        inset-inline-start: 0;
        height: 100%;
        width: calc(100% + 150px);
        background: repeating-linear-gradient(
          135deg,
          var(--progressBar-blend-color) 0,
          var(--progressBar-bg-color) 5px,
          var(--progressBar-bg-color) 45px,
          var(--progressBar-color) 55px,
          var(--progressBar-color) 95px,
          var(--progressBar-blend-color) 100px
        );
        animation: progressIndeterminate 1s linear infinite;
      }
    }
  }
}

@media all and (max-width: 840px) {
  #sidebarContainer {
    background-color: var(--sidebar-narrow-bg-color);
  }
  #outerContainer.sidebarOpen #viewerContainer {
    inset-inline-start: 0 !important;
  }
}

@media all and (max-width: 750px) {
  #outerContainer .hiddenMediumView {
    display: none !important;
  }
  #outerContainer .visibleMediumView:not(.hidden, [hidden]) {
    display: inline-block !important;
  }
}

@media all and (max-width: 690px) {
  .hiddenSmallView,
  .hiddenSmallView * {
    display: none !important;
  }

  #toolbarContainer #toolbarViewer .toolbarButtonSpacer {
    width: 0;
  }
}

@media all and (max-width: 560px) {
  #scaleSelectContainer {
    display: none;
  }
}