MediaWiki:Gadget-bhc-accessibility.css: Difference between revisions

Revision as of 15:34, 28 January 2026

/*
⚠️ Do not reorder rules below this line — contrast overrides depend on cascade order.
*/

/* =========================================================
   BHC Accessibility Gadget – MediaWiki / Timeless (STABLE BASELINE)
   - Includes: gadget UI, skip links, site-wide contrast coverage
   - Excludes: editor toolbar / WikiEditor / OOUI / Codex / editOptions / scrollbars
   ========================================================= */

/* ---------------------------------------------------------
   Variables
   --------------------------------------------------------- */
:root{
  --a11y-bg: #111827;
  --a11y-border: #374151;
  --a11y-fg: #ffffff;
  --a11y-focus: #FFBF47;
  --a11y-link-underline: #36C; /* MediaWiki link blue */
  --a11y-menu-width: 340px;
}

/* ---------------------------------------------------------
   Timeless: stop skin CSS shrinking the accessibility icon
   --------------------------------------------------------- */
body.skin-timeless .a11y-toggle{
  font-size: 16px !important;
  line-height: 1 !important;
}
body.skin-timeless .a11y-toggle svg{
  display: block !important;
  width: 36px !important;
  height: 36px !important;
  min-width: 36px !important;
  min-height: 36px !important;
  max-width: none !important;
  max-height: none !important;
  transform: scale(1.15) !important;
  transform-origin: 50% 50% !important;
}
body.skin-timeless .a11y-toggle svg path{
  fill: currentColor !important;
}

/* ---------------------------------------------------------
   Skip links (focus-only)
   --------------------------------------------------------- */
.skip-link{
  position: absolute;
  left: 12px;
  top: -9999px;               /* hidden until focus */
  z-index: 11000;

  padding: 10px 14px;
  border-radius: 8px;

  background: #111827;
  color: #fff;
  text-decoration: none;

  border: 2px solid var(--a11y-focus);
}

.skip-link:focus,
.skip-link:focus-visible{
  top: 12px;
  outline: none;
  z-index: 11001;
}

body.a11y-contrast .skip-link{
  background: #000 !important;
  color: #FFD400 !important;
  border-color: #FFD400 !important;
}

/* Stack skip links only while focused */
#a11y-skip-content:focus,
#a11y-skip-content:focus-visible{ top: 56px; }

#a11y-skip-nav:focus,
#a11y-skip-nav:focus-visible{ top: 100px; }

#a11y-skip-search:focus,
#a11y-skip-search:focus-visible{ top: 144px; }

/* ---------------------------------------------------------
   Floating accessibility toggle
   --------------------------------------------------------- */
.a11y-toggle{
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 10001;

  width: 56px;
  height: 56px;
  border-radius: 50%;

  background: #005FCC;
  border: 2px solid #ffffff;
  color: #ffffff;

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

  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
  cursor: pointer;
}
.a11y-toggle:hover{ background:#0047A6; }
.a11y-toggle:focus-visible{
  outline: 3px solid var(--a11y-focus);
  outline-offset: 3px;
}
.a11y-toggle svg{
  width: 44px;
  height: 44px;
  fill: currentColor;
}

/* ---------------------------------------------------------
   Panel
   --------------------------------------------------------- */
.a11y-status{
  font-size: 13px;
  line-height: 1.25;
  margin: 6px 0 8px;
  opacity: 0.95;
}

.a11y-panel{
  position: fixed;
  right: 14px;
  bottom: 76px;
  z-index: 10000;

  width: var(--a11y-menu-width);
  max-width: calc(100vw - 28px);

  background: var(--a11y-bg);
  border: 1px solid var(--a11y-border);
  color: var(--a11y-fg);
  border-radius: 16px;
  padding: 12px;

  box-shadow: 0 14px 40px rgba(0,0,0,0.28);
}
.a11y-panel[hidden]{ display:none !important; }

.a11y-head{
  display:flex;
  align-items:center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.a11y-head h2{
  font-size: 16px;
  margin: 0;
}

.a11y-help{
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #fff;
  color: #111827;
  font-weight: 900;
  text-decoration: none;
  display:flex;
  align-items:center;
  justify-content:center;
}
.a11y-help:focus-visible{
  outline: 3px solid var(--a11y-focus);
  outline-offset: 2px;
}

.a11y-row{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.a11y-btn{
  border: 1px solid #D1D5DB;
  background:#fff;
  color:#111827;
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}
.a11y-btn[aria-pressed="true"]{
  background:#111827;
  color:#fff;
}
.a11y-btn:focus-visible{
  outline: 3px solid var(--a11y-focus);
  outline-offset: 2px;
}

.a11y-hint{
  font-size: 13px;
  color: var(--a11y-fg);
  line-height: 1.4;
}

.a11y-sr{
  position:absolute;
  width:1px;
  height:1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
}

/* =========================================================
   Feature classes
   ========================================================= */

/* ------------------------------
   High contrast (site-wide)
   ------------------------------ */
body.a11y-contrast{
  background:#000 !important;
  color:#FFD400 !important;

  --a11y-bg: #000;
  --a11y-border: rgba(255,212,0,.7);
  --a11y-fg: #FFD400;
  --a11y-focus: #FFD400;
  --a11y-link-underline: #36C;
}

/* Global link colour in contrast mode */
body.a11y-contrast a,
body.a11y-contrast a:visited{
  color:#FFD400 !important;
}

/* Headings */
body.a11y-contrast h1,
body.a11y-contrast h2,
body.a11y-contrast h3,
body.a11y-contrast h4,
body.a11y-contrast h5,
body.a11y-contrast h6{
  color:#FFD400 !important;
  border-color:#FFD400 !important;
}

/* Main containers */
body.a11y-contrast #mw-wrapper,
body.a11y-contrast #mw-content-container,
body.a11y-contrast #mw-content,
body.a11y-contrast .mw-body,
body.a11y-contrast .mw-parser-output{
  background:#000 !important;
  color:#FFD400 !important;
}

/* Timeless header container */
body.a11y-contrast.skin-timeless #mw-header-container{
  background: #000 !important;
  background-image: none !important;
}

/* Search input (Timeless is forceful, so be explicit) */
body.a11y-contrast #searchInput,
body.a11y-contrast #p-search #searchInput,
body.a11y-contrast #p-search input[type="search"]{
  background: #000 !important;
  color: #FFD400 !important;
  caret-color: #FFD400 !important;
  border: 2px solid #FFD400 !important;
  box-shadow: none !important;
  -webkit-text-fill-color: #FFD400 !important;
}
body.a11y-contrast #searchInput::placeholder{
  color: rgba(255,212,0,0.75) !important;
}

/* Sidebars / portlets */
body.a11y-contrast #site-navigation,
body.a11y-contrast #site-tools,
body.a11y-contrast #page-tools,
body.a11y-contrast .mw-portlet,
body.a11y-contrast .mw-portlet-body{
  background:#000 !important;
  color:#FFD400 !important;
  border-color: rgba(255,212,0,.7) !important;
}
body.a11y-contrast .mw-portlet-body *{
  color:#FFD400 !important;
}

/* Timeless sidebar chunks (1100–1339px) */
@media screen and (min-width: 1100px) and (max-width: 1339px){
  body.a11y-contrast.skin-timeless #mw-site-navigation .sidebar-chunk,
  body.a11y-contrast.skin-timeless #mw-related-navigation .sidebar-chunk{
    background: #000 !important;
    background-image: none !important;
    border-color: rgba(255,212,0,.85) !important;
    box-shadow: none !important;
  }
  body.a11y-contrast.skin-timeless #mw-site-navigation .sidebar-chunk *,
  body.a11y-contrast.skin-timeless #mw-related-navigation .sidebar-chunk *{
    color: #FFD400 !important;
  }
}

/* Timeless related-navigation sidebar chunk at ≥1340px */
@media screen and (min-width: 1340px){
  body.a11y-contrast.skin-timeless #mw-related-navigation .sidebar-chunk{
    background: #000 !important;
    background-image: none !important;
    border-color: rgba(255,212,0,.85) !important;
    box-shadow: none !important;
  }
}

/* mw-content border colour in high-contrast mode */
body.a11y-contrast #mw-content{
  border-color: #FFD400 !important;
}

/* TOC */
body.a11y-contrast #toc,
body.a11y-contrast .toc,
body.a11y-contrast #toc *,
body.a11y-contrast .toc *{
  background: #000 !important;
  color: #FFD400 !important;
  border-color: rgba(255, 212, 0, 0.75) !important;
}

/* Category links area */
body.a11y-contrast .mw-normal-catlinks,
body.a11y-contrast .mw-normal-catlinks *,
body.a11y-contrast .catlinks,
body.a11y-contrast .catlinks *{
  background: #000 !important;
  color: #FFD400 !important;
  border-color: rgba(255, 212, 0, 0.75) !important;
}

/* Tables */
body.a11y-contrast table,
body.a11y-contrast table *,
body.a11y-contrast .wikitable,
body.a11y-contrast .wikitable *,
body.a11y-contrast .mw-datatable,
body.a11y-contrast .mw-datatable *{
  background: #000 !important;
  color: #FFD400 !important;
  border-color: rgba(255, 212, 0, 0.75) !important;
}
body.a11y-contrast .wikitable th,
body.a11y-contrast table th{
  background: #000 !important;
  color: #FFD400 !important;
}

/* Figures/captions */
body.a11y-contrast figure,
body.a11y-contrast figure *,
body.a11y-contrast .thumb,
body.a11y-contrast .thumb *,
body.a11y-contrast .thumbinner,
body.a11y-contrast .thumbinner *,
body.a11y-contrast .thumbcaption,
body.a11y-contrast .thumbcaption *{
  background: #000 !important;
  color: #FFD400 !important;
  border-color: rgba(255, 212, 0, 0.75) !important;
}

/* Code-like blocks */
body.a11y-contrast pre,
body.a11y-contrast pre *,
body.a11y-contrast code,
body.a11y-contrast code *{
  background: #000 !important;
  color: #FFD400 !important;
  border-color: rgba(255, 212, 0, 0.75) !important;
}

/* Footer */
body.a11y-contrast #mw-footer,
body.a11y-contrast #mw-footer-container{
  background: #000 !important;
  color: #FFD400 !important;
  background-image: none !important;
  border-top: 10px solid #FFD400 !important;
}
body.a11y-contrast #mw-footer a,
body.a11y-contrast #mw-footer a:visited{
  color: #FFD400 !important;
  text-decoration-color: #FFD400 !important;
}

/* ------------------------------
   Underline links
   ------------------------------ */
body.a11y-underline-links a{
  text-decoration: none !important;
  border-bottom: 2px solid var(--a11y-link-underline);
  padding-bottom: 0.05em;
}
body.a11y-underline-links.a11y-contrast a{
  border-bottom-color: #36C !important;
}

/* ------------------------------
   Text spacing
   ------------------------------ */
body.a11y-spacing-plus{
  line-height: 1.8 !important;
  letter-spacing: 0.06em !important;
  word-spacing: 0.16em !important;
}
body.a11y-spacing-minus{
  line-height: 1.45 !important;
  letter-spacing: 0.01em !important;
  word-spacing: 0.02em !important;
}

/* ------------------------------
   Large cursors (wiki-hosted)
   ------------------------------ */
body.a11y-cursor-white,
body.a11y-cursor-white *{
  cursor: url("/index.php/Special:FilePath/large-arrow-white-64.png") 8 8, auto !important;
}
body.a11y-cursor-yellow,
body.a11y-cursor-yellow *{
  cursor: url("/index.php/Special:FilePath/large-arrow-yellow-64.png") 8 8, auto !important;
}

/* ------------------------------
   Reading ruler
   ------------------------------ */
#a11y-ruler{
  position: fixed;
  left: 0;
  top: 0;
  height: 22px;
  width: 100vw;
  z-index: 9999;
  pointer-events: none;

  background: linear-gradient(
    to bottom,
    #FFD400 0%,
    #FFD400 40%,
    #000000 40%,
    #000000 60%,
    #FFD400 60%,
    #FFD400 100%
  );
}
#a11y-ruler[hidden]{ display:none !important; }

/* =========================================================
   EMERGENCY: ensure the accessibility toggle is visible
   (keep at VERY END)
   ========================================================= */
#a11y-toggle.a11y-toggle{
  position: fixed !important;
  right: 16px !important;
  bottom: 16px !important;

  display: inline-flex !important;
  visibility: visible !important;
  opacity: 1 !important;

  z-index: 2147483647 !important;
  pointer-events: auto !important;

  transform: none !important;
}
#a11y-toggle.a11y-toggle svg{
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}