/* WCAG demo — toggle panel, broken states, fake toggles, modal */

/* --- Top-of-article demo strip (video, form, distractions) --- */
.demo-top-block {
  display: flow-root;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #eaecf0;
}

/* --- Toggle panel (fixed right) --- */
.demo-toggle-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 100vw);
  max-height: 100vh;
  overflow-y: auto;
  z-index: 20000;
  background: #fff;
  border-left: 1px solid #a2a9b1;
  box-shadow: -4px 0 12px rgba(0, 0, 0, 0.08);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 13px;
  line-height: 1.4;
}
.demo-toggle-panel__header {
  position: sticky;
  top: 0;
  background: #f8f9fa;
  border-bottom: 1px solid #a2a9b1;
  padding: 12px 14px;
  z-index: 1;
}
.demo-toggle-panel__header h2 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 4px;
  color: #202122;
}
.demo-toggle-panel__intro {
  margin: 0;
  font-size: 12px;
  color: #54595d;
}
.demo-toggle-list {
  list-style: none;
  padding: 8px 0;
  margin: 0;
}
.demo-toggle-item {
  padding: 10px 14px;
  border-bottom: 1px solid #eaecf0;
}
.demo-toggle-item label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-weight: 600;
  color: #202122;
}
.demo-toggle-item .desc {
  display: block;
  font-weight: 400;
  font-size: 11px;
  color: #72777d;
  margin-top: 4px;
  margin-left: 44px;
}
.demo-switch {
  position: relative;
  flex-shrink: 0;
  width: 40px;
  height: 22px;
}
.demo-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.demo-switch__ui {
  position: absolute;
  inset: 0;
  background: #c8ccd1;
  border-radius: 11px;
  transition: background 0.2s;
}
.demo-switch__ui::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 2px;
  top: 2px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}
.demo-switch input:checked + .demo-switch__ui {
  background: #3366cc;
}
.demo-switch input:checked + .demo-switch__ui::after {
  transform: translateX(18px);
}
.demo-toggle-panel__actions {
  padding: 12px 14px 16px;
  border-top: 1px solid #a2a9b1;
  background: #f8f9fa;
}
.demo-toggle-panel__actions button {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid #3366cc;
  background: #3366cc;
  color: #fff;
  border-radius: 2px;
  cursor: pointer;
}
.demo-toggle-panel__actions button:hover {
  background: #2952a3;
}
.demo-toggle-panel__actions button:focus-visible {
  outline: 2px solid #3366cc;
  outline-offset: 2px;
}

/* --- Language badge (3.1.1) --- */
.demo-lang-badge {
  position: fixed;
  bottom: 12px;
  left: 12px;
  z-index: 15000;
  font-size: 11px;
  font-family: monospace;
  background: #eaf3ff;
  color: #202122;
  border: 1px solid #3366cc;
  padding: 4px 8px;
  border-radius: 2px;
  display: none;
}
body.fix-lang .demo-lang-badge {
  display: block;
}

/* --- Cookie popup --- */
.demo-cookie-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 19999;
  display: none;
}
body:not(.fix-pause) .demo-cookie-overlay[data-active="true"] {
  display: block;
}
.demo-cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 520px;
  width: calc(100% - 48px);
  background: #fff;
  border: 1px solid #a2a9b1;
  padding: 16px 20px;
  z-index: 20001;
  font-family: sans-serif;
  font-size: 14px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  display: none;
}
body:not(.fix-pause) .demo-cookie-banner[data-active="true"] {
  display: block;
}
.demo-cookie-banner p {
  margin: 0 0 12px;
}
.demo-cookie-dismiss {
  float: right;
  font-size: 10px;
  color: #eaecf0;
  background: #f8f9fa;
  border: 1px solid #eaecf0;
  padding: 2px 6px;
  cursor: pointer;
  font-family: inherit;
}
body.fix-pause .demo-cookie-dismiss {
  color: #202122;
  background: #3366cc;
  color: #fff;
  border-color: #3366cc;
  font-size: 14px;
  padding: 8px 16px;
  float: none;
}

/* --- Seizure-risk banner & tickers (2.2.2) --- */
.demo-seizure-banner {
  display: none;
  text-align: center;
  font-family: sans-serif;
  font-weight: 700;
  padding: 8px;
  animation: demo-seizure-flash 0.35s linear infinite;
}
body:not(.fix-pause) .demo-seizure-banner {
  display: block;
}
@keyframes demo-seizure-flash {
  0%, 100% { background: #f00; color: #ff0; }
  33% { background: #0ff; color: #000; }
  66% { background: #f0f; color: #fff; }
}

.demo-ticker-row {
  display: none;
  overflow: hidden;
  font-family: sans-serif;
  font-size: 12px;
  background: #222;
  color: #0f0;
  white-space: nowrap;
}
body:not(.fix-pause) .demo-ticker-row {
  display: block;
}
.demo-ticker {
  display: inline-block;
  padding: 6px 0;
  animation: demo-ticker-l 18s linear infinite;
}
.demo-ticker--rev {
  animation-name: demo-ticker-r;
}
@keyframes demo-ticker-l {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes demo-ticker-r {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* --- Sidebar ad & shake (2.2.2) --- */
.demo-sidebar-ad {
  position: fixed;
  right: min(304px, 34vw);
  bottom: 80px;
  width: 140px;
  padding: 12px;
  background: linear-gradient(135deg, #ff6b6b, #ffd93d);
  font-family: sans-serif;
  font-size: 11px;
  font-weight: 800;
  text-align: center;
  border-radius: 8px;
  z-index: 15050;
  display: none;
  box-shadow: 0 0 24px #ff0, 0 0 40px #f80;
  animation: demo-ad-pulse 1.2s ease-in-out infinite;
}
body:not(.fix-pause) .demo-sidebar-ad {
  display: block;
}
@keyframes demo-ad-pulse {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.05); filter: brightness(1.2); }
}

.demo-shake-icon {
  display: inline-block;
  animation: demo-shake 0.4s ease-in-out infinite;
}
body:not(.fix-pause) .demo-shake-icon {
  animation: demo-shake 0.4s ease-in-out infinite;
}
body.fix-pause .demo-shake-icon {
  animation: none;
}
@keyframes demo-shake {
  0%, 100% { transform: translate(0, 0) rotate(0); }
  25% { transform: translate(-2px, 1px) rotate(-4deg); }
  75% { transform: translate(2px, -1px) rotate(4deg); }
}

/* --- Timer (2.2.2) --- */
.demo-pressure-timer {
  display: none;
  font-family: monospace;
  font-size: 18px;
  font-weight: bold;
  color: #d33;
  margin: 8px 0;
  animation: demo-timer-pulse 0.8s ease-in-out infinite;
}
body:not(.fix-pause) .demo-pressure-timer {
  display: block;
}
@keyframes demo-timer-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* --- Horizontal scroll trap --- */
.demo-hscroll {
  display: none;
  overflow-x: auto;
  max-width: 100%;
  border: 1px dashed #d33;
  padding: 8px;
  margin: 12px 0;
  font-size: 13px;
}
body:not(.fix-pause) .demo-hscroll {
  display: block;
}
.demo-hscroll__inner {
  width: 280%;
  white-space: nowrap;
}

/* --- Focus visible (2.4.7) — keep panel usable when "broken" --- */
body:not(.fix-focus) *:focus {
  outline: none !important;
  box-shadow: none !important;
}
body:not(.fix-focus) .demo-toggle-panel *:focus-visible,
body:not(.fix-focus) .demo-toggle-panel *:focus {
  outline: 2px solid #3366cc !important;
  outline-offset: 2px;
  box-shadow: none !important;
}
body:not(.fix-focus) .demo-modal *:focus-visible {
  outline: 2px solid #3366cc !important;
  outline-offset: 2px;
}

/* --- Color contrast (1.4.3) --- */
body:not(.fix-contrast) #mw-content-text {
  color: #b4b4b4;
}
body:not(.fix-contrast) #mw-content-text a {
  color: #d0d0f0;
}
body:not(.fix-contrast) .wikitable,
body:not(.fix-contrast) .infobox {
  color: #b4b4b4;
}

/* --- Text spacing (1.4.12) --- */
body:not(.fix-textspacing) #mw-content-text {
  font-size: 13px;
  line-height: 1.1;
  text-align: justify;
}
body:not(.fix-textspacing) #mw-content-text p {
  margin-bottom: 0.15em;
}

/* --- Semantic "flat" headings (1.3.1) --- */
body:not(.fix-semantic) #mw-content-text .mw-heading2 {
  border-bottom: none;
  margin: 0.6em 0 0.2em;
}
body:not(.fix-semantic) #mw-content-text .mw-heading2 h2,
body:not(.fix-semantic) #mw-content-text .mw-heading3 h3 {
  font-size: 1em;
  font-weight: normal;
  font-family: inherit;
  color: #202122;
  padding: 0;
  border: none;
  display: inline;
}

/* --- Skip link broken (2.4.1) --- */
body:not(.fix-skip) .mw-jump-link {
  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;
}

/* --- Form labels hidden (3.3.2) --- */
body:not(.fix-labels) .demo-form-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Error message (3.3.1) --- */
.demo-form-error {
  color: #b32424;
  font-family: sans-serif;
  font-size: 14px;
  margin-top: 8px;
  display: none;
}
body.fix-errors .demo-form-error[hidden] {
  display: none;
}
body.fix-errors .demo-form-error:not([hidden]) {
  display: block;
}

/* --- Video captions indicator (1.2.2) --- */
.demo-caption-badge {
  font-family: sans-serif;
  font-size: 13px;
  margin-top: 6px;
  display: none;
}
body.fix-captions .demo-caption-badge {
  display: block;
}

/* --- Alt text overlays (1.1.1) --- */
.demo-no-alt-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(200, 0, 0, 0.85);
  color: #fff;
  font-family: sans-serif;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  padding: 4px;
  display: none;
}
body:not(.fix-alt) .demo-no-alt-overlay {
  display: block;
}

/* --- Fake button vs real (2.1.1) --- */
.demo-search-btn-fake {
  display: none;
  cursor: default;
  user-select: none;
}
body:not(.fix-keyboard) .demo-search-btn-real {
  display: none !important;
}
body:not(.fix-keyboard) .demo-search-btn-fake {
  display: inline-block !important;
}

#demo-feedback-form {
  font-family: sans-serif;
  font-size: 14px;
  margin: 0.75em 0 1em;
}
#demo-feedback-form input[type="email"] {
  display: block;
  margin-top: 6px;
  padding: 6px 10px;
  min-width: min(100%, 280px);
  border: 1px solid #a2a9b1;
  border-radius: 2px;
}
#demo-feedback-form button[type="submit"] {
  margin-top: 10px;
  padding: 6px 14px;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid #a2a9b1;
  background: #f8f9fa;
  border-radius: 2px;
}
.demo-fine-print {
  font-size: 10px;
  color: #a2a9b1;
  margin: 0.5em 0 1em;
}
body:not(.fix-pause) .demo-fine-print {
  color: #dde0e5;
}
.demo-video {
  max-width: 100%;
  height: auto;
  background: #000;
}

/* --- Hover-to-reveal alt (fake) --- */
body.fake-hoveralt .demo-alt-hover-wrap {
  position: relative;
}
body.fake-hoveralt .demo-alt-hover-wrap img {
  opacity: 0.15;
}
body.fake-hoveralt .demo-alt-hover-wrap .demo-alt-hover-tip {
  display: block;
}
.demo-alt-hover-tip {
  display: none;
  font-size: 11px;
  color: #54595d;
}
body.fake-hoveralt .demo-alt-hover-wrap:hover img {
  opacity: 1;
}

/* --- Colorblind simulation (fake) --- */
body.fake-colorblind {
  filter: url("#demo-deuteranopia") url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg"><filter id="f"><feColorMatrix type="matrix" values="0.367 0.861 -0.228 0 0 0.28 0.673 0.047 0 0 -0.012 0.043 0.969 0 0 0 0 0 1 0"/></filter></svg>#f');
}

/* Simpler fallback filter */
@supports (filter: contrast(1)) {
  body.fake-colorblind {
    filter: contrast(1.1) saturate(0.65) hue-rotate(-15deg);
  }
}

/* fake-newtab: handled in JS (target="_blank" on links) */

/* sr-only for fake "remove" */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
body.fake-srremove .sr-only {
  position: static;
  width: auto;
  height: auto;
  clip: auto;
  overflow: visible;
  white-space: normal;
  margin: 0 0 0.5em;
  font-size: 11px;
  color: #72777d;
}

/* --- Dark mode (fake) --- */
body.fake-darkmode {
  background: #1a1a2e;
  color: #e0e0e0;
}
body.fake-darkmode .vector-header {
  background: #16213e;
  border-color: #0f3460;
}
body.fake-darkmode .vector-header,
body.fake-darkmode .vector-header a,
body.fake-darkmode .vector-header .cdx-text-input__input {
  color: #e0e0e0;
}
body.fake-darkmode .cdx-text-input__input {
  background: #0f3460;
  border-color: #1a1a5e;
}
body.fake-darkmode .vector-toc {
  background: #16213e;
}
body.fake-darkmode .vector-toc,
body.fake-darkmode .vector-toc a {
  color: #b0b0d0;
}
body.fake-darkmode #mw-content-text {
  color: #d0d0d0;
}
body.fake-darkmode #mw-content-text a {
  color: #7da8e8;
}
body.fake-darkmode .wikitable {
  background: #16213e;
  color: #d0d0d0;
  border-color: #0f3460;
}
body.fake-darkmode .wikitable th {
  background: #0f3460;
  color: #e0e0e0;
  border-color: #1a1a5e;
}
body.fake-darkmode .wikitable td {
  border-color: #1a1a5e;
}
body.fake-darkmode .infobox {
  background: #16213e;
  border-color: #0f3460;
  color: #d0d0d0;
}
body.fake-darkmode .mw-footer {
  background: #16213e;
  border-color: #0f3460;
  color: #b0b0d0;
}
body.fake-darkmode .mw-heading2 {
  border-bottom-color: #0f3460;
}
body.fake-darkmode .demo-toggle-panel {
  background: #1e1e2f;
  border-color: #0f3460;
}
body.fake-darkmode .demo-toggle-panel__header {
  background: #16213e;
  border-color: #0f3460;
}
body.fake-darkmode .demo-toggle-panel__header h2 {
  color: #e0e0e0;
}
body.fake-darkmode .demo-toggle-panel__intro {
  color: #a0a0c0;
}
body.fake-darkmode .demo-toggle-item {
  border-color: #2a2a4a;
}
body.fake-darkmode .demo-toggle-item label {
  color: #e0e0e0;
}
body.fake-darkmode .demo-toggle-item .desc {
  color: #8888aa;
}
body.fake-darkmode .demo-toggle-panel__actions {
  background: #16213e;
  border-color: #0f3460;
}
body.fake-darkmode .reflist {
  color: #b0b0d0;
}

/* --- Force left align (fake) --- */
body.fake-leftalign #mw-content-text {
  text-align: left !important;
}
body.fake-leftalign .infobox {
  float: none !important;
  margin: 1em auto !important;
}

/* --- Reveal modal --- */
.demo-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 30000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.demo-modal-overlay[open],
.demo-modal-overlay.is-open {
  display: flex;
}
.demo-modal {
  background: #fff;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  border-radius: 4px;
  font-family: system-ui, sans-serif;
  font-size: 14px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}
.demo-modal h3 {
  margin: 0 0 12px;
  font-size: 18px;
}
.demo-modal__score {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #202122;
}
.demo-modal__list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}
.demo-modal__list li {
  padding: 8px 0;
  border-bottom: 1px solid #eaecf0;
  font-size: 13px;
}
.demo-modal__list .tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 2px;
  margin-right: 8px;
}
.demo-modal__list .tag--real {
  background: #d5fdf0;
  color: #0b5;
}
.demo-modal__list .tag--fake {
  background: #ffe8e8;
  color: #c00;
}
.demo-modal button {
  padding: 8px 16px;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid #a2a9b1;
  background: #f8f9fa;
  border-radius: 2px;
}
.demo-modal button:focus-visible {
  outline: 2px solid #3366cc;
  outline-offset: 2px;
}

@media (max-width: 900px) {
  body.demo-page {
    padding-right: 0;
    padding-bottom: calc(45vh + 12px);
  }
  .demo-toggle-panel {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 45vh;
    border-left: none;
    border-top: 1px solid #a2a9b1;
  }
  .demo-sidebar-ad {
    right: 8px;
    bottom: calc(45vh + 8px);
  }
}