/* Word/WPS Skin for PDF.js Viewer */

:root {
  --skin-accent: #185ABD;
  --skin-accent-hover: #134b9e;
  --skin-accent-light: #e8f0fe;
  --skin-accent-text: #ffffff;
  --skin-bg-app: #F2F4F7;
  --skin-bg-toolbar: #fafafa;
  --skin-bg-ribbon: #ffffff;
  --skin-bg-surface: #ffffff;
  --skin-bg-hover: rgba(0, 0, 0, 0.04);
  --skin-bg-active: rgba(0, 0, 0, 0.08);
  --skin-border-light: #e0e0e0;
  --skin-border-medium: #d0d0d0;
  --skin-border-strong: #c0c0c0;
  --skin-text-primary: #1a1a1a;
  --skin-text-secondary: #5a5a5a;
  --skin-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --skin-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.1);
  --skin-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --skin-radius-sm: 4px;
  --skin-radius-md: 6px;
  --skin-radius-lg: 8px;
  --skin-ribbon-h: 52px;
  --skin-statusbar-h: 28px;
  --skin-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --skin-font-size-xs: 11px;
  --skin-font-size-sm: 12px;
  --skin-font-size-md: 13px;
  --skin-transition-fast: 0.1s ease;
}

html, body { font-family: var(--skin-font); background-color: var(--skin-bg-app); }
body { background-color: var(--skin-bg-app); }

#outerContainer { display: flex; flex-direction: column; height: 100%; }
#mainContainer { position: relative; inset: auto; display: flex; flex-direction: column; flex: 1; min-height: 0; }

/* Toolbar */
.toolbar { z-index: 5; position: relative; background: var(--skin-bg-ribbon); }
#toolbarContainer {
  height: var(--skin-ribbon-h); min-height: var(--skin-ribbon-h);
  padding: 4px 8px; background: var(--skin-bg-ribbon);
  box-shadow: var(--skin-shadow-sm); border-bottom: 1px solid var(--skin-border-light);
  display: flex; align-items: center; box-sizing: border-box;
}
#toolbarContainer #toolbarViewer { display: flex; align-items: center; width: 100%; height: 100%; justify-content: space-between; gap: 6px; }
#toolbarContainer .toolbarHorizontalGroup { display: flex; align-items: center; gap: 1px; height: 100%; padding: 0 6px; border-right: 1px solid var(--skin-border-light); }
#toolbarContainer .toolbarHorizontalGroup:last-child { border-right: none; }
:is(#toolbarContainer #toolbarViewer) .toolbarButtonSpacer { width: 12px; min-width: 12px; height: 1px; }

/* Toolbar Buttons */
.toolbarButton {
  width: 36px; height: 36px; border-radius: var(--skin-radius-md);
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; color: var(--skin-text-primary);
  cursor: pointer; transition: background var(--skin-transition-fast);
  position: relative; outline: none; font-family: var(--skin-font);
  box-sizing: border-box; flex-shrink: 0; padding: 0; aspect-ratio: auto;
}
.toolbarButton::before { opacity: 0.65; width: 18px; height: 18px; background-color: var(--skin-text-primary); transition: opacity var(--skin-transition-fast); }
.toolbarButton:hover { background: var(--skin-bg-hover); }
.toolbarButton:hover::before { opacity: 0.85; }
.toolbarButton:active { background: var(--skin-bg-active); }
.toolbarButton.toggled { background: var(--skin-accent-light); color: var(--skin-accent); }
.toolbarButton.toggled::before { background-color: var(--skin-accent); opacity: 1; }
.toolbarButton.toggled:hover { background: rgba(24, 90, 189, 0.12); }
.toolbarButton:focus-visible { outline: 2px solid var(--skin-accent); outline-offset: -2px; }
.toolbarButton[disabled] { opacity: 0.35; pointer-events: none; }
.toolbarButton > span { display: inline-block; width: 0; height: 0; overflow: hidden; }

.toolbarButton.labeled {
  width: 100%; min-height: 32px; height: auto; aspect-ratio: auto;
  justify-content: flex-start; gap: 10px; padding: 6px 12px;
  border-radius: var(--skin-radius-sm); font-size: var(--skin-font-size-md); color: var(--skin-text-primary);
}
.toolbarButton.labeled::before { opacity: 0.65; width: 18px; height: 18px; flex-shrink: 0; }
.toolbarButton.labeled > span { display: inline-block; width: max-content; height: auto; font-size: var(--skin-font-size-md); }
.toolbarButton.labeled:hover { background: var(--skin-bg-hover); color: var(--skin-text-primary); }

/* Presentation mode & Rotate icons in toolbar */
#presentationMode::before { -webkit-mask-image: var(--toolbarButton-presentationMode-icon); mask-image: var(--toolbarButton-presentationMode-icon); }
#pageRotateCw::before { -webkit-mask-image: var(--secondaryToolbarButton-rotateCw-icon); mask-image: var(--secondaryToolbarButton-rotateCw-icon); }
#pageRotateCcw::before { -webkit-mask-image: var(--secondaryToolbarButton-rotateCcw-icon); mask-image: var(--secondaryToolbarButton-rotateCcw-icon); }

.verticalToolbarSeparator { width: 1px; height: 28px; background: var(--skin-border-light); margin: 0 4px; display: inline-block; }
.splitToolbarButtonSeparator { height: 22px; margin: 0 2px; border-color: var(--skin-border-light); }

#loadingBar { top: var(--skin-ribbon-h) !important; }
#loadingBar .progress { background: var(--skin-accent); }

/* Find Bar */
#findbar { border-radius: var(--skin-radius-lg); box-shadow: var(--skin-shadow-lg); border: 1px solid var(--skin-border-light); background: var(--skin-bg-surface); padding: 8px 12px; min-width: 320px; }
#findInput { height: 30px; border: 1px solid var(--skin-border-medium); border-radius: var(--skin-radius-sm); font-size: var(--skin-font-size-md); font-family: var(--skin-font); padding: 0 30px 0 10px; background: var(--skin-bg-surface); color: var(--skin-text-primary); outline: none; }
#findInput:focus { border-color: var(--skin-accent); }
#findbar .toggleButton { font-size: var(--skin-font-size-sm); font-family: var(--skin-font); }
#findbar .toggleButton label { font-size: var(--skin-font-size-sm); color: var(--skin-text-secondary); cursor: pointer; }
#findResultsCount { background: var(--skin-accent-light); color: var(--skin-accent); border-radius: var(--skin-radius-sm); padding: 2px 10px; font-weight: 500; font-size: var(--skin-font-size-sm); }
[data-status="notFound"]#findInput { background-color: #fff0f0 !important; border-color: #e03030 !important; }

/* Page Number */
#pageNumber { width: 48px; height: 32px; text-align: center; font-size: var(--skin-font-size-md); font-family: var(--skin-font); border: 1px solid var(--skin-border-medium); border-radius: var(--skin-radius-sm); background: var(--skin-bg-surface); color: var(--skin-text-primary); padding: 0 4px; outline: none; }
#pageNumber:focus { border-color: var(--skin-accent); }
.numPages.toolbarLabel, #numPages { font-size: var(--skin-font-size-md); color: var(--skin-text-secondary); padding: 0 6px; }

/* Doorhanger menus */
.doorHanger, .doorHangerRight { border-radius: var(--skin-radius-lg); box-shadow: var(--skin-shadow-lg); border: 1px solid var(--skin-border-light); background: var(--skin-bg-surface); }
.doorHangerRight::after { border-bottom-color: var(--skin-bg-surface); }
.doorHanger::after { border-bottom-color: var(--skin-bg-surface); }

/* Secondary Toolbar */
#secondaryToolbar { border-radius: var(--skin-radius-lg); box-shadow: var(--skin-shadow-lg); border: 1px solid var(--skin-border-light); background: var(--skin-bg-surface); padding: 6px 0; }
.horizontalToolbarSeparator { background: var(--skin-border-light); }
.popupMenu { background: var(--skin-bg-surface); border: 1px solid var(--skin-border-light); border-radius: var(--skin-radius-lg); box-shadow: var(--skin-shadow-lg); }
.popupMenu button { font-family: var(--skin-font); font-size: var(--skin-font-size-md); color: var(--skin-text-primary); }
.popupMenu button:hover { background: var(--skin-bg-hover); }

/* Views Manager Sidebar */
#viewsManager.sidebar { background: var(--skin-bg-surface); border-right: 1px solid var(--skin-border-light); box-shadow: var(--skin-shadow-md); border-radius: 0; z-index: 5; }
#outerContainer.viewsManagerOpen #viewsManager { inset-inline-start: 0 !important; }
#viewsManager { inset-block-start: calc(100% + 4px) !important; height: calc(var(--viewer-container-height) - 8px) !important; padding-bottom: 0 !important; }
#viewsManagerHeader { background: var(--skin-bg-toolbar); border-bottom: 1px solid var(--skin-border-light); }

/* Hide dropdown toggle + label, show menu items as flat tabs */
#viewsManagerSelectorButton, #viewsManagerHeaderLabel { display: none !important; }
#viewsManagerSelectorOptions { position: static !important; display: flex !important; flex-direction: row !important; gap: 0; background: transparent !important; border: none !important; border-radius: 0 !important; box-shadow: none !important; padding: 0 !important; min-width: auto !important; pointer-events: auto !important; opacity: 1 !important; visibility: visible !important; }
#viewsManagerSelectorOptions button:not(#attachmentsViewMenu):not(#layersViewMenu) { display: inline-flex !important; align-items: center; width: auto !important; height: auto !important; padding: 6px 14px !important; font-size: var(--skin-font-size-sm); font-family: var(--skin-font); color: var(--skin-text-secondary); background: transparent !important; border: none !important; border-bottom: 2px solid transparent !important; border-radius: 0 !important; cursor: pointer; white-space: nowrap; position: static !important; gap: 0 !important; }
#viewsManagerSelectorOptions button:hover { color: var(--skin-text-primary); background: var(--skin-bg-hover) !important; }
#viewsManagerSelectorOptions button[aria-selected="true"], #viewsManagerSelectorOptions button.selected { color: var(--skin-accent); border-bottom-color: var(--skin-accent) !important; font-weight: 600; }
#viewsManagerSelectorOptions button::before { display: none !important; }
#viewsManagerSelectorOptions button.selected::after, #viewsManagerSelectorOptions button[aria-selected="true"]::after { display: none !important; }
#attachmentsViewMenu, #layersViewMenu { display: none !important; }
#viewsManagerContent { background: var(--skin-bg-surface); }

.viewsManagerButton { border-radius: var(--skin-radius-sm); font-family: var(--skin-font); border: 1px solid var(--skin-border-light); background: var(--skin-bg-surface); color: var(--skin-text-primary); padding: 4px 10px; box-sizing: border-box; }
.viewsManagerButton:hover { background: var(--skin-bg-hover); }
.sidebarResizer { background: transparent; width: 4px; cursor: col-resize; }
.sidebarResizer:hover { background: var(--skin-accent); }

/* Thumbnails */
.thumbnailsView { padding: 8px; }
.thumbnailsView .thumbnail { border-radius: var(--skin-radius-md); border: 2px solid transparent; margin-bottom: 6px; }
.thumbnailsView .thumbnail.selected { border-color: var(--skin-accent); }

/* Tree View */
.treeView { padding: 4px 0; font-family: var(--skin-font); font-size: var(--skin-font-size-md); }
.treeView .treeItem { padding: 6px 12px; }
.treeView .treeItem:hover { background: var(--skin-bg-hover); }

/* PDF Viewer */
#viewerContainer { position: absolute; inset: var(--skin-ribbon-h) 0 0; overflow: auto; background: var(--skin-bg-app); padding: 16px 0; outline: none; }
#viewerContainer:not(.pdfPresentationMode) { transition-duration: var(--sidebar-transition-duration); transition-timing-function: var(--sidebar-transition-timing-function); transition-property: inset-inline-start; }
.pdfViewer .page { background: white; margin: 8px auto; border-radius: var(--skin-radius-sm); box-shadow: var(--skin-shadow-md); border: 1px solid var(--skin-border-light); outline: none; }
.pdfViewer .page:focus, .pdfViewer .page:focus-visible, .pdfViewer .page *:focus, .pdfViewer .page *:focus-visible { outline: none !important; box-shadow: none !important; }

/* Status Bar */
#skinStatusbar { height: var(--skin-statusbar-h); min-height: var(--skin-statusbar-h); background: var(--skin-accent); color: var(--skin-accent-text); display: flex; align-items: center; justify-content: space-between; padding: 0 12px; font-size: var(--skin-font-size-xs); font-family: var(--skin-font); user-select: none; z-index: 10; box-shadow: 0 -1px 3px rgba(0,0,0,0.1); }
#skinStatusbarLeft, #skinStatusbarRight { display: flex; align-items: center; gap: 2px; }

/* Page nav in status bar */
#skinStatusbarLeft .toolbarButton { width: 24px; height: 22px; border-radius: 3px; opacity: 0.85; }
#skinStatusbarLeft .toolbarButton::before { width: 12px; height: 12px; background-color: var(--skin-accent-text); opacity: 0.85; }
#skinStatusbarLeft .toolbarButton:hover { background: rgba(255,255,255,0.15); opacity: 1; }
#skinStatusbarLeft .toolbarButton:hover::before { background-color: var(--skin-accent-text); opacity: 1; }
#skinStatusbarLeft #pageNumber { width: 32px; height: 20px; font-size: 10px; background: rgba(255,255,255,0.15); border: none; color: var(--skin-accent-text); border-radius: 3px; text-align: center; padding: 0 2px; }
#skinStatusbarLeft #pageNumber:focus { background: rgba(255,255,255,0.25); outline: none; box-shadow: none; }
#skinStatusbarLeft #pageNumber:hover { background: rgba(255,255,255,0.2); border: none; }
#skinStatusbarLeft #numPages { font-size: 10px; color: var(--skin-accent-text); opacity: 0.85; padding: 0 2px; min-width: auto; height: auto; }
#skinStatusbarLeft .loadingInput { display: inline-flex; align-items: center; }

/* Status bar zoom */
.skinStatusbarItem.separator { width: 1px; height: 14px; background: rgba(255,255,255,0.3); margin: 0 2px; }
#skinStatusbarZoomSlider { width: 80px; height: 4px; accent-color: white; cursor: pointer; opacity: 0.9; }
#skinStatusbarZoomSlider:hover { opacity: 1; }
.skinStatusbarZoomBtn { width: 22px; height: 22px; border: none; background: transparent; color: var(--skin-accent-text); border-radius: 3px; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 14px; opacity: 0.85; font-family: var(--skin-font); line-height: 1; }
.skinStatusbarZoomBtn:hover { opacity: 1; background: rgba(255,255,255,0.15); }
#skinStatusbarZoomValue { font-size: var(--skin-font-size-xs); min-width: 36px; text-align: center; }
#skinViewModeButtons { display: flex; flex-direction: row; align-items: center; gap: 1px; }
.skinViewModeBtn { width: 28px; height: 24px; border: none; background: transparent; color: var(--skin-accent-text); border-radius: 3px; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 12px; opacity: 0.7; }
.skinViewModeBtn:hover { opacity: 1; background: rgba(255,255,255,0.15); }
.skinViewModeBtn.active { opacity: 1; background: rgba(255,255,255,0.2); }

/* Tooltip (exclude sidebar toggle) */
.toolbarButton[title]:not(#viewsManagerToggleButton):hover::after {
  content: attr(title); position: absolute; bottom: -28px; left: 50%; transform: translateX(-50%);
  background: var(--skin-text-primary); color: white; font-size: var(--skin-font-size-xs);
  padding: 3px 8px; border-radius: var(--skin-radius-sm); white-space: nowrap; z-index: 99999;
  pointer-events: none; font-family: var(--skin-font);
}

/* Toggle button */
.toggle-button {
  --color-accent-primary: var(--skin-accent); --color-accent-primary-hover: var(--skin-accent-hover);
  --button-background-color: var(--skin-bg-active); --button-background-color-hover: rgba(0,0,0,0.1);
  --border-color-interactive: var(--skin-border-strong); --color-canvas: white;
  --border-radius-circle: 10px; --size-item-small: 20px; --size-item-large: 36px; --border-width: 1px;
}
.toggleButton label { font-family: var(--skin-font); font-size: var(--skin-font-size-sm); color: var(--skin-text-secondary); cursor: pointer; }

/* Message Bar */
.messageBar { border-radius: var(--skin-radius-lg); font-family: var(--skin-font); font-size: var(--skin-font-size-md); padding: 10px 16px; border: 1px solid var(--skin-border-light); box-shadow: var(--skin-shadow-md); }

/* Form fields */
.toolbarField { font-family: var(--skin-font); border: 1px solid var(--skin-border-medium); border-radius: var(--skin-radius-sm); background: var(--skin-bg-surface); color: var(--skin-text-primary); outline: none; }
.toolbarLabel { font-family: var(--skin-font); font-size: var(--skin-font-size-sm); color: var(--skin-text-secondary); }

/* Scrollbar */
#viewerContainer { scrollbar-width: thin; scrollbar-color: var(--skin-border-medium) transparent; }
#viewerContainer::-webkit-scrollbar { width: 8px; height: 8px; }
#viewerContainer::-webkit-scrollbar-thumb { background: var(--skin-border-medium); border-radius: 4px; }
#viewerContainer::-webkit-scrollbar-thumb:hover { background: var(--skin-border-strong); }

/* Presentation mode */
#viewerContainer.pdfPresentationMode:fullscreen { background: black; }

/* Prevent horizontal overflow on mobile */
#outerContainer { overflow-x: hidden; }

/* Responsive */
@media all and (max-width: 750px) {
  :root { --skin-ribbon-h: 44px; --skin-statusbar-h: 24px; }
  #mainContainer { min-width: 0; }
  #toolbarContainer { padding: 2px 4px; }
  #toolbarContainer .toolbarHorizontalGroup { padding: 0 2px; border-right: none; }
  #toolbarContainer #toolbarViewer { gap: 2px; }
  :is(#toolbarContainer #toolbarViewer) .toolbarButtonSpacer { width: 4px; min-width: 4px; }
  .toolbarButton { width: 32px; height: 32px; }
  .toolbarButton::before { width: 16px; height: 16px; }
  /* Hide editor buttons and rotate on tablet */
  #editorModeButtons, #editorModeSeparator { display: none !important; }
  #pageRotateCw, #pageRotateCcw { display: none !important; }
  #skinStatusbar { padding: 0 8px; font-size: 10px; gap: 4px; }
  #skinStatusbarZoomSlider { width: 50px; }
  #skinStatusbarZoomValue { min-width: 28px; font-size: 10px; }
  .skinStatusbarZoomBtn { width: 18px; height: 18px; font-size: 12px; }
  .skinViewModeBtn { width: 24px; height: 20px; font-size: 10px; }
}
@media all and (max-width: 690px) {
  :root { --skin-ribbon-h: 40px; --skin-statusbar-h: 22px; }
  :is(#toolbarContainer #toolbarViewer) .toolbarButtonSpacer { width: 0; min-width: 0; }
  #toolbarContainer #toolbarViewer { gap: 1px; }
  .toolbarButton { width: 28px; height: 28px; }
  .toolbarButton::before { width: 14px; height: 14px; }
  /* Hide presentation mode on smaller screens */
  #presentationMode { display: none !important; }
  #pageNumber { width: 36px; height: 28px; font-size: var(--skin-font-size-xs); }
  .skinStatusbarItem.separator { display: none; }
  #skinViewModeButtons { display: none; }
  #skinStatusbarZoomSlider { width: 40px; }
  #skinStatusbarLeft .toolbarButton { width: 20px; height: 18px; }
  #skinStatusbarLeft .toolbarButton::before { width: 10px; height: 10px; }
  #skinStatusbarLeft #pageNumber { width: 26px; height: 18px; font-size: 9px; }
  #skinStatusbarLeft #numPages { font-size: 9px; }
}
@media all and (max-width: 560px) {
  :root { --skin-ribbon-h: 38px; --skin-statusbar-h: 20px; }
  .toolbarButton { width: 26px; height: 26px; }
  .toolbarButton::before { width: 13px; height: 13px; }
  #viewerContainer { padding: 4px 0; }
  #skinStatusbarZoomSlider { width: 30px; }
  .skinStatusbarZoomBtn { width: 16px; height: 16px; font-size: 10px; }
  #skinStatusbarZoomValue { min-width: 24px; font-size: 9px; }
  #skinStatusbarLeft .toolbarButton { width: 18px; height: 16px; }
  #skinStatusbarLeft .toolbarButton::before { width: 9px; height: 9px; }
  #skinStatusbarLeft #pageNumber { width: 24px; height: 16px; font-size: 8px; }
  #skinStatusbarLeft #numPages { font-size: 8px; }
}