:root {
  --a11y-scale: 1.0;
  --a11y-font-size-multiplier: 1.0;
}

/* Base font-size multiplier applied to html root */
html {
  font-size: calc(16px * var(--a11y-scale, 1.0)) !important;
}

/* Force body font-size to inherit root and apply font size multiplier */
body {
  font-size: calc(1rem * var(--a11y-font-size-multiplier, 1.0)) !important;
}

/* Heading scales relative to root font-size */
h1:not(.aiug-a11y-header *):not(.auth-card *) {
  font-size: calc(2.5rem * var(--a11y-font-size-multiplier, 1.0)) !important;
}

h2 {
  font-size: calc(2rem * var(--a11y-font-size-multiplier, 1.0)) !important;
}

h3 {
  font-size: calc(1.5rem * var(--a11y-font-size-multiplier, 1.0)) !important;
}

h4 {
  font-size: calc(1.2rem * var(--a11y-font-size-multiplier, 1.0)) !important;
}

.body-large {
  font-size: calc(1.125rem * var(--a11y-font-size-multiplier, 1.0)) !important;
}

.caption {
  font-size: calc(0.8125rem * var(--a11y-font-size-multiplier, 1.0)) !important;
}

/* Floating Trigger Button (Bottom Left) */
.aiug-a11y-trigger {
  position: fixed;
  bottom: 32px;
  left: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: 2px solid #E5E5EA;
  cursor: pointer;
  z-index: 9999;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 150ms ease-in-out, border-color 150ms ease-in-out, transform 150ms ease-in-out;
  padding: 0;
  margin: 0;
}

.aiug-a11y-trigger:hover {
  background-color: #F5F5F7;
  border-color: #D2D2D7;
  transform: scale(1.05);
}

.aiug-a11y-trigger:focus-visible {
  outline: 3px solid #480E6E;
  outline-offset: 2px;
}

.aiug-a11y-trigger svg {
  width: 36px;
  height: 36px;
  display: block;
}

html[data-a11y-hidden="true"] .aiug-a11y-trigger {
  display: none !important;
}

/* Floating Back to Top Button (Bottom Right) */
.aiug-back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #1047A0;
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  z-index: 9999;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: opacity 250ms ease-in-out, transform 250ms ease-in-out, background-color 150ms ease-in-out;
  padding: 0;
  margin: 0;
}
.aiug-back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.aiug-back-to-top:hover {
  background-color: #0A2540;
  transform: scale(1.05);
}
.aiug-back-to-top:focus-visible {
  outline: 3px solid #0071E3;
  outline-offset: 2px;
}
.aiug-back-to-top svg {
  width: 24px;
  height: 24px;
}

/* Fixed Overlay Panel */
.aiug-a11y-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 360px;
  height: 100vh;
  background-color: #FFFFFF;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
  z-index: 10000;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 300ms ease-in-out, visibility 300ms ease-in-out;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  color: #0A2540 !important;
  line-height: 1.5 !important;
}

.aiug-a11y-panel--open {
  transform: translateX(0);
  visibility: visible;
}

.aiug-a11y-panel * {
  box-sizing: border-box !important;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
}

/* Panel Header */
.aiug-a11y-header {
  padding: 20px 24px;
  border-bottom: 1px solid #D2D2D7;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #FFFFFF;
}

.aiug-a11y-header h1 {
  font-size: 24px !important;
  font-weight: 700 !important;
  color: #0A2540 !important;
  margin: 0 !important;
  line-height: 1.2 !important;
  letter-spacing: -0.5px !important;
  text-transform: none !important;
}

.aiug-a11y-close {
  background: none;
  border: none;
  color: #86868B;
  cursor: pointer;
  padding: 4px;
  transition: color 150ms ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.aiug-a11y-close:hover {
  color: #0A2540;
}

.aiug-a11y-close:focus-visible {
  outline: 2px solid #0071E3;
  border-radius: 4px;
}

.aiug-a11y-close svg {
  width: 20px;
  height: 20px;
}

/* Panel Body / Content Scroll Container */
.aiug-a11y-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}

.aiug-a11y-group {
  margin-bottom: 28px;
}

.aiug-a11y-group-title {
  font-size: 12px !important;
  font-weight: 700 !important;
  text-transform: none !important;
  /* Force Sentence Case, override uppercase */
  color: #86868B !important;
  letter-spacing: 0.5px !important;
  margin-bottom: 16px !important;
  border-bottom: 1px solid #E5E5EA;
  padding-bottom: 6px !important;
  margin-top: 0 !important;
}

/* Custom Accessibility Option Rows (Profiles) */
.aiug-a11y-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px dashed #E5E5EA;
}

.aiug-a11y-row:last-child {
  border-bottom: none;
}

.aiug-a11y-row-left {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-right: 12px;
}

.aiug-a11y-row-icon {
  width: 20px;
  height: 20px;
  fill: #1047A0;
  margin-top: 2px;
  flex-shrink: 0;
}

.aiug-a11y-row-icon svg {
  width: 100%;
  height: 100%;
}

.aiug-a11y-row-text {
  display: flex;
  flex-direction: column;
}

.aiug-a11y-row-title {
  font-size: 14px !important;
  font-weight: 600 !important;
  color: #0A2540 !important;
  margin: 0 !important;
}

.aiug-a11y-row-desc {
  font-size: 11px !important;
  color: #86868B !important;
  margin: 2px 0 0 0 !important;
  line-height: 1.3 !important;
}

/* Custom CSS Toggle Switch */
.aiug-a11y-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.aiug-a11y-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.aiug-a11y-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #D2D2D7;
  transition: background-color 200ms;
  border-radius: 24px;
}

.aiug-a11y-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: #FFFFFF;
  transition: transform 200ms;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

input:checked+.aiug-a11y-slider {
  background-color: #1047A0;
}

input:checked+.aiug-a11y-slider:before {
  transform: translateX(20px);
}

input:focus-visible+.aiug-a11y-slider {
  outline: 2px solid #0071E3;
  outline-offset: 2px;
}

/* Option Button Layouts */
.aiug-a11y-option-btn-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.aiug-a11y-btn {
  background-color: #F5F5F7;
  border: 1px solid #D2D2D7;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 13px !important;
  font-weight: 500 !important;
  color: #0A2540 !important;
  cursor: pointer;
  text-align: center;
  transition: all 150ms ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.aiug-a11y-btn:hover {
  background-color: #E8E8ED;
}

.aiug-a11y-btn--active {
  background-color: #1047A0 !important;
  color: #FFFFFF !important;
  border-color: #1047A0 !important;
}

.aiug-a11y-btn--active:hover {
  background-color: #0d3880 !important;
}

.aiug-a11y-btn:focus-visible {
  outline: 2px solid #0071E3;
}

.aiug-a11y-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Stepper Component */
.aiug-a11y-stepper-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px dashed #E5E5EA;
}

.aiug-a11y-stepper-label {
  display: flex;
  flex-direction: column;
}

.aiug-a11y-stepper-title {
  font-size: 14px !important;
  font-weight: 600 !important;
  color: #0A2540 !important;
  margin: 0 !important;
}

.aiug-a11y-stepper-desc {
  font-size: 11px !important;
  color: #86868B !important;
  margin: 2px 0 0 0 !important;
  line-height: 1.3 !important;
}

.aiug-a11y-stepper {
  display: flex;
  align-items: center;
  background-color: #F5F5F7;
  border: 1px solid #D2D2D7;
  border-radius: 6px;
  padding: 2px;
  gap: 4px;
}

.aiug-a11y-stepper-btn {
  background: none;
  border: none;
  font-size: 18px;
  font-weight: 600;
  color: #1047A0;
  cursor: pointer;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 150ms;
  border-radius: 4px;
  padding: 0;
}

.aiug-a11y-stepper-btn:hover {
  background-color: #E8E8ED;
}

.aiug-a11y-stepper-value {
  font-size: 13px !important;
  font-weight: 600 !important;
  color: #0A2540 !important;
  min-width: 60px;
  text-align: center;
}

/* Panel Footer Section */
.aiug-a11y-footer {
  padding: 20px 24px;
  border-top: 1px solid #D2D2D7;
  background-color: #F5F5F7;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.aiug-a11y-footer-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.aiug-a11y-footer-btn {
  background-color: transparent;
  border: 1.5px solid #1047A0;
  border-radius: 6px;
  padding: 10px;
  font-size: 12px !important;
  font-weight: 600 !important;
  color: #1047A0 !important;
  cursor: pointer;
  text-align: center;
  transition: all 150ms ease-in-out;
}

.aiug-a11y-footer-btn:hover {
  background-color: #1047A0;
  color: #FFFFFF;
}

.aiug-a11y-footer-btn:focus-visible {
  outline: 2px solid #0071E3;
}

.aiug-a11y-statement-link {
  text-align: center;
  font-size: 12px !important;
  color: #1047A0 !important;
  text-decoration: none;
  font-weight: 500 !important;
  margin-top: 4px;
}

.aiug-a11y-statement-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Accessibility Preference Overrides (Applied to html/body elements)
   ========================================================================== */

/* Epilepsy safe mode */
html[data-a11y-epilepsy="true"] * {
  animation: none !important;
  transition: none !important;
}

html[data-a11y-epilepsy="true"] {
  filter: saturate(0.3) !important;
}

/* Visually impaired mode */
html[data-a11y-visually-impaired="true"] {
  --a11y-font-size-multiplier: 1.25 !important;
  line-height: 1.8 !important;
  --color-neutral: #555555 !important;
}

html[data-a11y-visually-impaired="true"] button:not(.aiug-a11y-stepper-btn):not(.aiug-a11y-close),
html[data-a11y-visually-impaired="true"] a,
html[data-a11y-visually-impaired="true"] input,
html[data-a11y-visually-impaired="true"] select {
  min-width: 48px !important;
  min-height: 48px !important;
}

/* Cognitive disability mode */
html[data-a11y-cognitive="true"] img[role="presentation"] {
  display: none !important;
}

html[data-a11y-cognitive="true"] * {
  animation: none !important;
  transition: none !important;
}

html[data-a11y-cognitive="true"] p,
html[data-a11y-cognitive="true"] span:not([class^="aiug-a11y"]),
html[data-a11y-cognitive="true"] li {
  max-width: 680px !important;
}

html[data-a11y-cognitive="true"] p {
  margin-bottom: 2em !important;
}

/* ADHD friendly mode */
html[data-a11y-adhd="true"] aside,
html[data-a11y-adhd="true"] .sidebar,
html[data-a11y-adhd="true"] .decorative,
html[data-a11y-adhd="true"] .ad-banner {
  display: none !important;
}

html[data-a11y-adhd="true"] img:not(.aiug-a11y-panel img):not(.aiug-a11y-trigger img) {
  filter: opacity(0.3) !important;
  transition: filter 200ms ease-in-out !important;
}

html[data-a11y-adhd="true"] img:hover {
  filter: none !important;
}

html[data-a11y-adhd="true"] * {
  animation: none !important;
  transition: none !important;
}

html[data-a11y-adhd="true"] a:focus,
html[data-a11y-adhd="true"] button:focus,
html[data-a11y-adhd="true"] input:focus,
html[data-a11y-adhd="true"] select:focus,
html[data-a11y-adhd="true"] textarea:focus,
html[data-a11y-adhd="true"] [tabindex]:focus {
  outline: 3px solid #0071E3 !important;
  outline-offset: 2px !important;
}

/* Dyslexia friendly font */
html[data-a11y-dyslexia="true"] *:not(.aiug-a11y-row-icon):not(.aiug-a11y-row-icon *) {
  font-family: 'OpenDyslexic', 'Inter', sans-serif !important;
}

/* Readable font (Georgia) */
html[data-a11y-readable-font="true"] *:not(.aiug-a11y-row-icon):not(.aiug-a11y-row-icon *) {
  font-family: Georgia, serif !important;
}

/* Dark Contrast */
html[data-a11y-dark-contrast="true"] {
  filter: invert(1) hue-rotate(180deg) !important;
  background-color: #000000 !important;
}

html[data-a11y-dark-contrast="true"] img,
html[data-a11y-dark-contrast="true"] video,
html[data-a11y-dark-contrast="true"] iframe,
html[data-a11y-dark-contrast="true"] .aiug-a11y-panel,
html[data-a11y-dark-contrast="true"] .aiug-a11y-trigger,
html[data-a11y-dark-contrast="true"] .aiug-a11y-voice-indicator {
  filter: invert(1) hue-rotate(180deg) !important;
}

/* Light Contrast */
html[data-a11y-light-contrast="true"] section,
html[data-a11y-light-contrast="true"] header:not(.aiug-a11y-header),
html[data-a11y-light-contrast="true"] footer:not(.aiug-a11y-footer),
html[data-a11y-light-contrast="true"] div:not(.aiug-a11y-panel):not(.aiug-a11y-panel *),
html[data-a11y-light-contrast="true"] body {
  background-color: #FFFFFF !important;
  background-image: none !important;
  color: #000000 !important;
  border-color: #E5E5EA !important;
}

html[data-a11y-light-contrast="true"] h1:not(.aiug-a11y-header *),
html[data-a11y-light-contrast="true"] h2,
html[data-a11y-light-contrast="true"] h3,
html[data-a11y-light-contrast="true"] h4,
html[data-a11y-light-contrast="true"] p,
html[data-a11y-light-contrast="true"] a:not(.aiug-a11y-panel *),
html[data-a11y-light-contrast="true"] span:not(.aiug-a11y-panel *),
html[data-a11y-light-contrast="true"] li {
  color: #000000 !important;
}

/* Desaturate */
html[data-a11y-desaturate="true"] {
  filter: grayscale(1) !important;
}

/* High Contrast */
html[data-a11y-high-contrast="true"] *:not(.aiug-a11y-panel):not(.aiug-a11y-panel *) {
  background-color: #FFFFFF !important;
  background-image: none !important;
  color: #000000 !important;
  border-color: #000000 !important;
}

html[data-a11y-high-contrast="true"] body {
  border: 4px solid #000000 !important;
}

html[data-a11y-high-contrast="true"] a:not(.aiug-a11y-panel *) {
  color: #00008B !important;
  text-decoration: underline !important;
  font-weight: bold !important;
}

/* High Saturation */
html[data-a11y-high-saturation="true"] {
  filter: saturate(2) !important;
}

/* Low Saturation */
html[data-a11y-low-saturation="true"] {
  filter: saturate(0.5) !important;
}

/* Reading Guide Bar */
.aiug-a11y-reading-guide-line {
  position: fixed;
  left: 0;
  width: 100vw;
  height: 36px;
  background-color: rgba(255, 235, 59, 0.4);
  pointer-events: none;
  z-index: 9998;
  display: none;
}

html[data-a11y-reading-guide="true"] .aiug-a11y-reading-guide-line {
  display: block;
}

/* Hide Images */
html[data-a11y-hide-images="true"] img,
html[data-a11y-hide-images="true"] picture,
html[data-a11y-hide-images="true"] figure,
html[data-a11y-hide-images="true"] svg:not(.aiug-a11y-panel svg):not(.aiug-a11y-trigger svg) {
  visibility: hidden !important;
  opacity: 0 !important;
}

html[data-a11y-hide-images="true"] * {
  background-image: none !important;
}

/* Stop animations */
html[data-a11y-stop-animations="true"] * {
  animation-play-state: paused !important;
  transition: none !important;
}

/* Big Dark & Light Cursors */
html[data-a11y-big-dark-cursor="true"] * {
  cursor: url('/assets/cursors/big-dark.cur'), auto !important;
}

html[data-a11y-big-light-cursor="true"] * {
  cursor: url('/assets/cursors/big-light.cur'), auto !important;
}

/* Cognitive Sentence Highlight */
.aiug-a11y-cognitive-highlight {
  background-color: #FFF9C4 !important;
  color: #000000 !important;
}

/* Keyboard Navigation Shortcuts Tooltip */
.aiug-a11y-shortcut-tooltip {
  position: fixed;
  bottom: 100px;
  right: 32px;
  background-color: #FFFFFF;
  color: #0A2540;
  border: 2px solid #1047A0;
  border-radius: 8px;
  padding: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  max-width: 320px;
  z-index: 9999;
  display: none;
  font-family: 'Inter', sans-serif !important;
}

.aiug-a11y-shortcut-tooltip h4 {
  margin: 0 0 8px 0 !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  color: #1047A0 !important;
}

.aiug-a11y-shortcut-tooltip ul {
  margin: 0 !important;
  padding-left: 20px !important;
  list-style-type: disc !important;
}

.aiug-a11y-shortcut-tooltip li {
  margin-bottom: 6px !important;
  font-size: 12px !important;
  color: #0A2540 !important;
}

html[data-a11y-nav-keys="true"] .aiug-a11y-shortcut-tooltip {
  display: block;
}

/* Voice Navigation Indicator and Pulsing Mic */
.aiug-a11y-voice-indicator {
  position: fixed;
  bottom: 100px;
  right: 32px;
  background-color: #1047A0;
  color: #FFFFFF;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 9999;
  animation: aiug-a11y-pulse 1.5s infinite;
}

@keyframes aiug-a11y-pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(16, 71, 160, 0.7);
  }

  70% {
    transform: scale(1.05);
    box-shadow: 0 0 0 10px rgba(16, 71, 160, 0);
  }

  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(16, 71, 160, 0);
  }
}

/* Accessibility Captions (for blindness mode) */
.aiug-a11y-blindness-caption {
  display: block !important;
  font-size: 13px !important;
  color: #FFFFFF !important;
  background-color: #0A2540 !important;
  padding: 8px 12px !important;
  margin-top: 6px !important;
  border-left: 4px solid #1047A0 !important;
  font-style: italic !important;
  border-radius: 4px !important;
  max-width: 100% !important;
}