/* Accessibility Widget CSS */

:root {
  --a11y-widget-bg: #2E3B4E;
  --a11y-widget-border: #bac7df;
  --a11y-widget-text: #FFFFFF;
  --a11y-widget-accent: #E67E22;
  --a11y-widget-focus: #FFFFFF;
  --a11y-z-index: 9999;
}

/* Floating Toggle Button */
.a11y-toggle-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--a11y-widget-bg);
  color: var(--a11y-widget-text);
  border: 2px solid var(--a11y-widget-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  z-index: var(--a11y-z-index);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.a11y-toggle-btn:hover {
  background-color: var(--color-foundation);
  transform: scale(1.05);
}

.a11y-toggle-btn:focus-visible {
  outline: 3px solid var(--a11y-widget-focus);
  outline-offset: 4px;
}

.a11y-toggle-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Dialog Overlay */
.a11y-dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(26, 26, 27, 0.8);
  backdrop-filter: blur(4px);
  z-index: calc(var(--a11y-z-index) + 1);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.a11y-dialog-overlay[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

/* Dialog Panel */
.a11y-dialog {
  background-color: var(--color-foundation);
  border: 1px solid var(--color-architectural);
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.a11y-dialog-overlay[aria-hidden="false"] .a11y-dialog {
  transform: translateY(0);
}

.a11y-dialog-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-architectural);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.a11y-dialog-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--text-heading);
  margin: 0;
}

.a11y-close-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.a11y-close-btn:hover {
  color: var(--text-heading);
  background: rgba(255, 255, 255, 0.1);
}

.a11y-close-btn:focus-visible {
  outline: 2px solid var(--a11y-widget-focus);
  outline-offset: 2px;
}

.a11y-close-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.a11y-dialog-content {
  padding: 1.5rem;
}

/* Controls */
.a11y-control-group {
  margin-bottom: 1.5rem;
}

.a11y-control-group:last-child {
  margin-bottom: 0;
}

.a11y-control-label {
  display: block;
  font-family: var(--font-data);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.a11y-btn {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--color-architectural);
  color: var(--text-main);
  border: 1px solid transparent;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.a11y-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.a11y-btn:focus-visible {
  outline: 2px solid var(--a11y-widget-focus);
  outline-offset: 2px;
}

.a11y-btn[aria-pressed="true"] {
  background-color: var(--a11y-widget-accent);
  color: #fff;
  border-color: var(--a11y-widget-accent);
}

.a11y-btn-group {
  display: flex;
  gap: 0.5rem;
}

.a11y-btn-group .a11y-btn {
  text-align: center;
  justify-content: center;
}

/* Global Modifier Classes */

/* 1. High Contrast */
html.a11y-high-contrast {
  --color-foundation: #000000;
  --color-background: #000000;
  --color-primary: #FFFFFF;
  --color-secondary: #CCCCCC;
  --color-accent: #FFFF00;
  --color-accent-glow: #FFFF00;
  --color-architectural: #FFFFFF;
  --color-text-main: #FFFFFF;
  --color-text-dim: #EEEEEE;
  --color-text-pure: #FFFFFF;
  --border-architectural: 2px solid #FFFFFF;
  --border-accent: 2px solid #FFFF00;
}

/* 2. Dyslexia Font */
html.a11y-dyslexia-font {
  --font-heading: 'Comic Sans MS', 'OpenDyslexic', sans-serif;
  --font-body: 'Comic Sans MS', 'OpenDyslexic', sans-serif;
  --font-data: 'Comic Sans MS', 'OpenDyslexic', sans-serif;
  --font-mono: 'Comic Sans MS', 'OpenDyslexic', monospace;
  letter-spacing: 0.05em;
  word-spacing: 0.1em;
}

/* 3. Text Scaling */
html.a11y-text-scale-1 { font-size: 110%; }
html.a11y-text-scale-2 { font-size: 120%; }
html.a11y-text-scale-3 { font-size: 130%; }

/* 4. Highlight Links */
html.a11y-highlight-links a {
  text-decoration: underline !important;
  text-decoration-thickness: 3px !important;
  text-decoration-color: var(--color-accent) !important;
  background-color: rgba(255, 255, 0, 0.2) !important;
  color: var(--text-heading) !important;
}

/* 5. Reduced Motion */
html.a11y-reduced-motion *,
html.a11y-reduced-motion *::before,
html.a11y-reduced-motion *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
  scroll-behavior: auto !important;
}