/* ======= ACCESSIBILITY SETTINGS PAGE ======= */

.accessibility-page-content {
  max-width: 1000px;
  margin: 0 auto;
  background: color-mix(in srgb, var(--user-accent, #a2ff00) 14%, rgba(0,0,0,0.62));
  border: 1px solid color-mix(in srgb, var(--user-accent, #a2ff00) 36%, transparent);
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.5),
    0 0 0 1px color-mix(in srgb, var(--user-accent, #a2ff00) 14%, transparent) inset;
}

@media (max-width: 768px) {
  .accessibility-page-content {
    padding: 20px;
  }
}

.accessibility-page-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 2px solid color-mix(in srgb, var(--user-accent, #a2ff00) 45%, transparent);
}

.accessibility-page-header h2 {
  margin: 0 0 8px 0;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--user-accent, #a2ff00);
}

.accessibility-page-header p {
  margin: 0;
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

.accessibility-section {
  margin-bottom: 32px;
}

.accessibility-section h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--user-accent, #a2ff00) 38%, transparent);
}

/* Form groups */
.accessibility-form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.accessibility-form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 8px;
  cursor: pointer;
  user-select: none;
}

.accessibility-form-group input[type="range"],
.accessibility-form-group input[type="checkbox"],
.accessibility-form-group input[type="text"],
.accessibility-form-group select {
  padding: 10px 12px;
  background: rgba(0,0,0,0.3);
  border: 1px solid color-mix(in srgb, var(--user-accent, #a2ff00) 20%, transparent);
  color: #fff;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.accessibility-form-group input[type="range"] {
  width: 100%;
  min-width: 0;
  padding: 0;
  height: 8px;
  appearance: none;
  cursor: pointer;
  background: linear-gradient(to right, 
    rgba(0,0,0,0.3) 0%, 
    color-mix(in srgb, var(--user-accent, #a2ff00) 20%, transparent) 50%, 
    rgba(0,0,0,0.3) 100%);
  border: none;
  border-radius: 4px;
}

.accessibility-form-group input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--user-accent, #a2ff00);
  cursor: pointer;
  border: 2px solid rgba(0,0,0,0.4);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: background 0.2s;
}

.accessibility-form-group input[type="range"]::-webkit-slider-thumb:hover {
  background: #c8ff66;
  transform: scale(1.1);
}

.accessibility-form-group input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--user-accent, #a2ff00);
  cursor: pointer;
  border: 2px solid rgba(0,0,0,0.4);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: background 0.2s;
}

.accessibility-form-group input[type="range"]:focus {
  outline: 2px solid color-mix(in srgb, var(--user-accent, #a2ff00) 40%, transparent);
  outline-offset: 2px;
}

/* Checkbox and radio toggles */
.accessibility-form-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--user-accent, #a2ff00);
  cursor: pointer;
  flex-shrink: 0;
}

.accessibility-form-group input[type="checkbox"]:focus {
  outline: 2px solid color-mix(in srgb, var(--user-accent, #a2ff00) 40%, transparent);
  outline-offset: 2px;
}

/* Flex wrapper for checkbox + label */
.accessibility-checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.accessibility-checkbox-wrapper input[type="checkbox"] {
  margin: 0;
}

.accessibility-checkbox-wrapper label {
  margin: 0;
  cursor: pointer;
}

/* Select dropdowns */
.accessibility-form-group select {
  width: 100%;
  min-width: 0;
  background: rgba(0,0,0,0.3);
  cursor: pointer;
  appearance: none;
  padding-right: 30px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23a2ff00' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 12px;
  padding-right: 30px;
}

.accessibility-form-group select:focus {
  outline: none;
  border-color: var(--user-accent, #a2ff00);
  background-color: rgba(0,0,0,0.5);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--user-accent, #a2ff00) 10%, transparent);
}

.accessibility-form-group select option {
  background: #1a1a1a;
  color: #fff;
}

/* Text input displays */
.accessibility-value-display {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.9);
  font-weight: 600;
  margin-left: 10px;
}

/* Accessibility modal */
.accessibility-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
  overflow-y: auto;
}

.accessibility-modal.active {
  display: flex;
}

.accessibility-modal-content {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--user-accent, #a2ff00) 25%, rgba(0,0,0,0.8)),
    color-mix(in srgb, var(--user-accent, #a2ff00) 12%, rgba(0,0,0,0.8)));
  border: 1px solid color-mix(in srgb, var(--user-accent, #a2ff00) 40%, transparent);
  border-radius: 12px;
  padding: 28px;
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 12px 40px rgba(0,0,0,0.8);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .accessibility-modal-content {
    padding: 20px;
    max-height: calc(100vh - 40px);
  }
}

.accessibility-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid color-mix(in srgb, var(--user-accent, #a2ff00) 30%, transparent);
}

.accessibility-modal-header h3 {
  margin: 0;
  font-size: 1.4rem;
  color: var(--user-accent, #a2ff00);
  font-weight: 800;
}

.accessibility-modal-close {
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.accessibility-modal-close:hover {
  color: #fff;
}

.accessibility-modal-close:focus {
  outline: 2px solid var(--user-accent, #a2ff00);
  outline-offset: 2px;
}

/* Keyboard shortcuts grid */
.shortcuts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 16px;
}

@media (max-width: 600px) {
  .shortcuts-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.shortcuts-section {
  padding: 16px;
  background: rgba(0,0,0,0.3);
  border: 1px solid color-mix(in srgb, var(--user-accent, #a2ff00) 20%, transparent);
  border-radius: 8px;
}

.shortcuts-section h4 {
  margin: 0 0 12px 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--user-accent, #a2ff00);
}

.shortcuts-section dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.shortcuts-section dt {
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
}

.shortcuts-section dd {
  margin: 0 0 8px 0;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Keyboard key styling */
kbd {
  display: inline-block;
  padding: 2px 6px;
  background: rgba(0,0,0,0.3);
  border: 1px solid color-mix(in srgb, var(--user-accent, #a2ff00) 25%, transparent);
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--user-accent, #a2ff00);
  margin: 0 2px;
  white-space: nowrap;
}

/* ======= ACCESSIBILITY FEATURE STYLES ======= */

/* HIGH CONTRAST MODE */
html.a11y-high-contrast {
  --accessibility-contrast-boost: 1.2;
  --accessibility-border-strength: 0.8;
}

html.a11y-high-contrast,
html.a11y-high-contrast * {
  border-width: 1.5px !important;
  border-color: #fff !important;
  text-shadow: 0 0 3px rgba(0,0,0,0.8) !important;
}

html.a11y-high-contrast body {
  background: #000 !important;
  color: #fff !important;
}

html.a11y-high-contrast a {
  color: #ffff00 !important;
  text-decoration: underline !important;
  text-decoration-thickness: 2px !important;
  text-underline-offset: 3px !important;
}

html.a11y-high-contrast button,
html.a11y-high-contrast .btn {
  border: 2px solid #fff !important;
  background: #000 !important;
  color: #fff !important;
  outline: 3px solid transparent !important;
}

html.a11y-high-contrast button:focus,
html.a11y-high-contrast .btn:focus,
html.a11y-high-contrast button:focus-visible,
html.a11y-high-contrast .btn:focus-visible {
  outline: 3px solid #ffff00 !important;
  outline-offset: 2px !important;
}

html.a11y-high-contrast input,
html.a11y-high-contrast textarea,
html.a11y-high-contrast select {
  border: 2px solid #fff !important;
  background: #000 !important;
  color: #fff !important;
}

html.a11y-high-contrast input:focus,
html.a11y-high-contrast textarea:focus,
html.a11y-high-contrast select:focus {
  outline: 3px solid #ffff00 !important;
  outline-offset: 2px !important;
  border-color: #ffff00 !important;
}

/* REDUCE MOTION */
html.a11y-reduce-motion,
html.a11y-reduce-motion * {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
  scroll-behavior: auto !important;
}

@media (prefers-reduced-motion: reduce) {
  html,
  html * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* BLUE LIGHT FILTER (adjustable 0-100%) */
html[data-blue-light-filter] {
  --blf: calc(var(--blf-intensity, 0) / 100);
  --blf-intensity: 0;
}

html[data-blue-light-filter="5"] { --blf-intensity: 5; }
html[data-blue-light-filter="10"] { --blf-intensity: 10; }
html[data-blue-light-filter="15"] { --blf-intensity: 15; }
html[data-blue-light-filter="20"] { --blf-intensity: 20; }
html[data-blue-light-filter="25"] { --blf-intensity: 25; }
html[data-blue-light-filter="30"] { --blf-intensity: 30; }
html[data-blue-light-filter="35"] { --blf-intensity: 35; }
html[data-blue-light-filter="40"] { --blf-intensity: 40; }
html[data-blue-light-filter="45"] { --blf-intensity: 45; }
html[data-blue-light-filter="50"] { --blf-intensity: 50; }
html[data-blue-light-filter="55"] { --blf-intensity: 55; }
html[data-blue-light-filter="60"] { --blf-intensity: 60; }
html[data-blue-light-filter="65"] { --blf-intensity: 65; }
html[data-blue-light-filter="70"] { --blf-intensity: 70; }
html[data-blue-light-filter="75"] { --blf-intensity: 75; }
html[data-blue-light-filter="80"] { --blf-intensity: 80; }
html[data-blue-light-filter="85"] { --blf-intensity: 85; }
html[data-blue-light-filter="90"] { --blf-intensity: 90; }
html[data-blue-light-filter="95"] { --blf-intensity: 95; }
html[data-blue-light-filter="100"] { --blf-intensity: 100; }

html[data-blue-light-filter] {
  filter: brightness(calc(1 - 0.01 * var(--blf-intensity) / 100)) !important;
}

html[data-blue-light-filter]::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 165, 0, calc(0.4 * var(--blf-intensity) / 100));
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 999999;
}

/* ENHANCED FOCUS INDICATORS */
html.a11y-enhanced-focus *:focus,
html.a11y-enhanced-focus *:focus-visible {
  outline: 3px solid var(--user-accent, #a2ff00) !important;
  outline-offset: 2px !important;
}

html.a11y-enhanced-focus button:focus,
html.a11y-enhanced-focus button:focus-visible,
html.a11y-enhanced-focus .btn:focus,
html.a11y-enhanced-focus .btn:focus-visible,
html.a11y-enhanced-focus a:focus,
html.a11y-enhanced-focus a:focus-visible {
  outline: 3px dashed var(--user-accent, #a2ff00) !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 0 4px rgba(162, 255, 0, 0.2) !important;
}

/* CAPTION BACKGROUND */
html.a11y-caption-bg .video-caption {
  background: rgba(0,0,0,0.8) !important;
  padding: 4px 8px !important;
  border-radius: 4px !important;
}

/* SKIP LINK */
.a11y-skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--user-accent, #a2ff00);
  color: #000;
  padding: 8px 16px;
  text-decoration: none;
  font-weight: 700;
  z-index: 100;
  border-radius: 0 0 4px 0;
}

.a11y-skip-link:focus {
  top: 0;
  outline: 2px solid #000;
  outline-offset: -2px;
}

/* TEXT SIZE ADJUSTMENTS */
html[data-text-size="80"] { font-size: 16px; }
html[data-text-size="90"] { font-size: 18px; }
html[data-text-size="100"] { font-size: 20px; }
html[data-text-size="110"] { font-size: 22px; }
html[data-text-size="120"] { font-size: 24px; }
html[data-text-size="130"] { font-size: 26px; }
html[data-text-size="140"] { font-size: 28px; }
html[data-text-size="150"] { font-size: 30px; }

/* CAPTION SIZE VARIANTS */
html[data-caption-size="small"] .video-caption {
  font-size: 0.8rem !important;
  line-height: 1.2 !important;
}

html[data-caption-size="medium"] .video-caption {
  font-size: 1rem !important;
  line-height: 1.4 !important;
}

html[data-caption-size="large"] .video-caption {
  font-size: 1.2rem !important;
  line-height: 1.5 !important;
}

html[data-caption-size="extra-large"] .video-caption {
  font-size: 1.5rem !important;
  line-height: 1.6 !important;
}

/* Keyboard shortcuts modal button */
.a11y-shortcuts-btn {
  padding: 8px 16px;
  background: color-mix(in srgb, var(--user-accent, #a2ff00) 20%, transparent);
  border: 1px solid var(--user-accent, #a2ff00);
  border-radius: 8px;
  color: var(--user-accent, #a2ff00);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 12px;
}

.a11y-shortcuts-btn:hover {
  background: color-mix(in srgb, var(--user-accent, #a2ff00) 30%, transparent);
  transform: translateY(-2px);
}

.a11y-shortcuts-btn:focus {
  outline: 2px solid var(--user-accent, #a2ff00);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .keyboard-help-tooltip {
    bottom: calc(var(--nav-h, 60px) + 12px + env(safe-area-inset-bottom, 12px));
    left: 50%;
    transform: translateX(-50%);
  }
  
  .tooltip-arrow {
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
  }
}

/* Reduced motion support */
html.a11y-reduce-motion .keyboard-help-tooltip {
  animation: none;
}

/* KEYBOARD HELP TOOLTIP */
.keyboard-help-tooltip {
  position: fixed;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--user-accent, #a2ff00) 25%, rgba(0,0,0,0.9)),
    color-mix(in srgb, var(--user-accent, #a2ff00) 12%, rgba(0,0,0,0.85)));
  border: 1px solid color-mix(in srgb, var(--user-accent, #a2ff00) 40%, transparent);
  border-radius: 10px;
  padding: 14px 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.6), 0 0 0 1px color-mix(in srgb, var(--user-accent, #a2ff00) 20%, transparent) inset;
  z-index: 9999;
  max-width: 260px;
  animation: tooltipSlideIn 0.3s ease-out;
  font-size: 0.95rem;
}

@keyframes tooltipSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.tooltip-arrow {
  position: absolute;
  width: 10px;
  height: 10px;
  background: inherit;
  border: 1px solid color-mix(in srgb, var(--user-accent, #a2ff00) 40%, transparent);
  border-radius: 2px;
  transform: rotate(45deg);
}

.tooltip-content {
  margin: 0;
  padding: 0;
  color: #fff;
}

.tooltip-content strong {
  color: var(--user-accent, #a2ff00);
  font-weight: 700;
  display: block;
  margin-bottom: 4px;
}

.tooltip-content p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.4;
}

.tooltip-content kbd {
  display: inline-block;
  padding: 2px 6px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--user-accent, #a2ff00);
  margin: 0 2px;
}

.tooltip-close {
  position: absolute;
  top: 4px;
  right: 4px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.6);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.tooltip-close:hover {
  color: #fff;
}

/* Desktop positioning: from top-right (profile icon) */
@media (min-width: 769px) {
  .keyboard-help-tooltip {
    top: calc(var(--header-h, 70px) + 12px);
    right: 14px;
  }
  
  .tooltip-arrow {
    top: -6px;
    right: 20px;
  }
}

/* Mobile positioning: from bottom-center */
@media (max-width: 768px) {
  .keyboard-help-tooltip {
    bottom: calc(var(--nav-h, 60px) + 12px + env(safe-area-inset-bottom, 12px));
    left: 50%;
    transform: translateX(-50%);
  }
  
  .tooltip-arrow {
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
  }
}

/* Skip to content link (hidden by default, visible on focus) */
.skip-content-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Accessibility info section */
.accessibility-info {
  background: color-mix(in srgb, var(--user-accent, #a2ff00) 10%, rgba(0,0,0,0.3));
  border: 1px solid color-mix(in srgb, var(--user-accent, #a2ff00) 25%, transparent);
  padding: 16px;
  border-radius: 8px;
  margin-top: 20px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.5;
}

.accessibility-info strong {
  color: var(--user-accent, #a2ff00);
  font-weight: 700;
}

.accessibility-info p {
  margin: 8px 0;
  font-size: 0.9rem;
}

.accessibility-info ul {
  margin: 8px 0;
  padding-left: 20px;
}

.accessibility-info li {
  margin: 6px 0;
  font-size: 0.9rem;
}

/* Settings toggle wrapper with label */
.accessibility-setting {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.06);
}

.accessibility-setting-label {
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
}

.accessibility-setting-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.4;
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .accessibility-page-content {
    padding: 16px;
  }

  .accessibility-page-header h2 {
    font-size: 1.4rem;
  }

  .accessibility-section h3 {
    font-size: 1.05rem;
  }

  .shortcuts-grid {
    grid-template-columns: 1fr;
  }

  .accessibility-modal-content {
    padding: 16px;
  }

  .accessibility-form-group label {
    font-size: 0.85rem;
  }

  /* Ensure form inputs are big enough on mobile */
  .accessibility-form-group input[type="text"],
  .accessibility-form-group select {
    min-height: 44px;
    font-size: 0.8rem;
  }
}