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

Revision as of 19:36, 25 January 2026

/* =========================================================
   BHC Accessibility Gadget CSS (MediaWiki)
   - Floating launcher + panel
   - High contrast (black/yellow) across Timeless containers
   - Underline links, spacing presets
   - Two large cursors via uploaded wiki files
   - Reading ruler overlay
   ========================================================= */

/* =========================================================
   Accessibility launcher + menu (bottom-right icon)
   ========================================================= */
:root{
  --a11y-bg: #111827;         /* dark slate */
  --a11y-border: #374151;
  --a11y-fg: #ffffff;
  --a11y-focus: #FFBF47;      /* strong focus outline */
  --a11y-link-underline: #1D4ED8; /* underline color (non-contrast mode) */
  --a11y-menu-width: 340px;
}

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

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

  background: #005FCC;   /* accessibility blue */
  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: 34px;
  height: 34px;
  fill: currentColor;
}

/* Menu panel (opens above the button) */
.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; }

/* Panel header row */
.a11y-head{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 10px 0;
}
.a11y-head h2{
  font-size: 16px;
  margin: 0;
  color: inherit;
}
.a11y-help{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid #ffffff;
  color: #111827;
  background: #ffffff;
  text-decoration: none;
  font-weight: 900;
  line-height: 1;
}
.a11y-help:hover{ background:#F3F4F6; }
.a11y-help:focus-visible{
  outline: 3px solid var(--a11y-focus);
  outline-offset: 2px;
}

/* Button rows */
.a11y-row{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items:center;
  margin-bottom: 10px;
}
.a11y-btn{
  appearance:none;
  border: 1px solid #D1D5DB;
  background:#FFFFFF;
  color:#111827;

  padding: 8px 10px;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1;
  font-weight: 800;

  cursor: pointer;
}
.a11y-btn:hover{ background:#F3F4F6; }
.a11y-btn:active{ transform: translateY(1px); }
.a11y-btn:focus-visible{
  outline: 3px solid var(--a11y-focus);
  outline-offset: 2px;
}
/* Pressed state */
.a11y-btn[aria-pressed="true"]{
  background:#111827;
  color:#ffffff;
  border-color:#ffffff;
}

/* Small explanatory text */
.a11y-hint{
  font-size: 14px;
  color: #D1D5DB;
  margin-top: 6px;
  line-height: 1.4;
}

/* Visually hidden helper (for aria-live etc) */
.a11y-sr{
  position:absolute !important;
  width:1px !important;
  height:1px !important;
  padding:0 !important;
  margin:-1px !important;
  overflow:hidden !important;
  clip:rect(0,0,0,0) !important;
  white-space:nowrap !important;
  border:0 !important;
}

/* =========================================================
   Features applied to page via classes / inline font sizing
   ========================================================= */

/* High contrast: black + yellow */
body.a11y-contrast{
  background:#000 !important;
  color:#FFD400 !important;

  /* make the toolbar/panel inherit the same scheme */
  --a11y-bg: #000000;
  --a11y-border: rgba(255, 212, 0, 0.75);
  --a11y-fg: #FFD400;
  --a11y-focus: #FFD400;
  --a11y-link-underline: #FFD400;
}

/* Links */
body.a11y-contrast a,
body.a11y-contrast a:visited{
  color:#FFD400 !important;
}

/* Keep dark surfaces dark */
body.a11y-contrast .a11y-panel,
body.a11y-contrast .a11y-toggle{
  background:#000 !important;
  border-color: rgba(255, 212, 0, 0.75) !important;
  color: #FFD400 !important;
}

/* Panel buttons readable in contrast mode */
body.a11y-contrast .a11y-hint{
  color:#FFD400 !important;
}
body.a11y-contrast .a11y-btn{
  background:#000000 !important;
  color:#FFD400 !important;
  border:2px solid rgba(255, 212, 0, 0.85) !important;
}
body.a11y-contrast .a11y-btn:hover{ background:#111111 !important; }
body.a11y-contrast .a11y-btn[aria-pressed="true"]{
  background:#000000 !important;
  color:#FFD400 !important;
  border-color:#FFD400 !important;
}

/* Underline links */
body.a11y-underline-links a{
  text-decoration-line: underline !important;
  text-decoration-thickness: 3px;
  text-underline-offset: 3px;
}
body.a11y-underline-links:not(.a11y-contrast) a{
  text-decoration-color: var(--a11y-link-underline) !important;
}

/* Text spacing presets */
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 cursor (two options) — use wiki-uploaded files */
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 overlay — JS positions #a11y-ruler */
#a11y-ruler{
  position: fixed;
  left: 0;
  top: 0;
  height: 22px;
  width: 100vw;
  z-index: 9999;
  pointer-events: none;

  background: linear-gradient(
    to bottom,
    #C8FF00 0%,
    #C8FF00 40%,
    #000000 40%,
    #000000 60%,
    #C8FF00 60%,
    #C8FF00 100%
  );

  opacity: 0.95;
  border-top: 1px solid rgba(0,0,0,0.35);
  border-bottom: 1px solid rgba(0,0,0,0.35);
}
#a11y-ruler[hidden]{ display:none !important; }

/* Skip link: visible only when focused (optional) */
.skip-link{
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 11000;
  padding: 10px 14px;
  border-radius: 8px;
  background: #111827;
  color: #fff;
  text-decoration: none;
  transform: translateY(-150%);
  transition: transform 0.15s ease;
  border: 2px solid #FFBF47;
}
.skip-link:focus,
.skip-link:focus-visible{
  transform: translateY(0);
  outline: none;
}

/* =========================================================
   MediaWiki/Timeless: HIGH CONTRAST coverage
   Timeless sets backgrounds/colours on containers, not body.
   ========================================================= */

html body.a11y-contrast,
body.a11y-contrast #mw-wrapper,
body.a11y-contrast #mw-content-container,
body.a11y-contrast #mw-content-block,
body.a11y-contrast #mw-content-wrapper,
body.a11y-contrast #mw-content,
body.a11y-contrast #content,
body.a11y-contrast .mw-body,
body.a11y-contrast .mw-parser-output,
body.a11y-contrast #mw-header-container,
body.a11y-contrast #mw-footer-container{
  background: #000 !important;
  color: #FFD400 !important;
  background-image: none !important;
}

/* YOUR REQUESTED IDS: black side areas */
body.a11y-contrast #site-navigation,
body.a11y-contrast #site-tools,
body.a11y-contrast #page-tools{
  background: #000 !important;
  color: #FFD400 !important;
  background-image: none !important;
  border-color: rgba(255, 212, 0, 0.75) !important;
}

/* Timeless nav containers often used */
body.a11y-contrast #mw-site-navigation,
body.a11y-contrast #mw-related-navigation,
body.a11y-contrast #mw-navigation,
body.a11y-contrast #mw-panel,
body.a11y-contrast .mw-sidebar,
body.a11y-contrast .sidebar,
body.a11y-contrast .mw-portlet,
body.a11y-contrast .mw-portlet-body{
  background: #000 !important;
  color: #FFD400 !important;
  background-image: none !important;
  border-color: rgba(255, 212, 0, 0.75) !important;
}

/* Headings (Timeless theme sets coloured headings; override) */
body.a11y-contrast h1,
body.a11y-contrast h2,
body.a11y-contrast h3,
body.a11y-contrast h4,
body.a11y-contrast h5,
body.a11y-contrast h6,
body.a11y-contrast .mw-parser-output h1,
body.a11y-contrast .mw-parser-output h2,
body.a11y-contrast .mw-parser-output h3{
  color: #FFD400 !important;
  border-color: #FFD400 !important;
}

/* Common “box” surfaces in MW skins */
body.a11y-contrast .infobox,
body.a11y-contrast .thumbinner,
body.a11y-contrast .mw-parser-output .toc,
body.a11y-contrast .toc,
body.a11y-contrast table,
body.a11y-contrast .wikitable{
  background: #000 !important;
  color: #FFD400 !important;
  border-color: rgba(255, 212, 0, 0.75) !important;
}