/**
 * Commix.ai Accessibility Toolbar Styles
 * WCAG 2.2 AA Compliant
 */

/* ============================================
   FLOATING BUTTON
   ============================================ */
.accessibility-floating-btn {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: 3px solid white;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  z-index: 999999 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font-size: 28px;
  isolation: isolate;
  filter: none !important;
  transform: translateZ(0);
  will-change: transform;
}

.accessibility-floating-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

.accessibility-floating-btn:focus {
  outline: 3px solid #fbbf24;
  outline-offset: 3px;
}

.accessibility-floating-btn svg {
  display: none;
}

.accessibility-icon {
  font-size: 32px;
  line-height: 1;
}

/* ============================================
   TOOLBAR PANEL
   ============================================ */
.accessibility-toolbar {
  position: fixed;
  top: 50%;
  left: 20px;
  transform: translateY(-50%) translateX(-120%);
  width: 380px;
  max-width: calc(100vw - 40px);
  max-height: 90vh;
  background: white;
  border-radius: 16px;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
  z-index: 999999 !important;
  overflow: hidden;
  transition: transform 0.3s ease;
  isolation: isolate;
  filter: none !important;
  transform-origin: left center;
}

.accessibility-toolbar-open {
  transform: translateY(-50%) translateX(0);
}

.accessibility-toolbar-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accessibility-toolbar-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.accessibility-toolbar-actions {
  display: flex;
  gap: 8px;
}

.accessibility-reset-btn,
.accessibility-close-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  transition: all 0.2s ease;
}

.accessibility-reset-btn:hover,
.accessibility-close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.accessibility-reset-btn:focus,
.accessibility-close-btn:focus {
  outline: 2px solid #fbbf24;
  outline-offset: 2px;
}

.accessibility-close-btn {
  padding: 8px;
}

.accessibility-toolbar-content {
  padding: 20px !important;
  overflow-y: auto;
  max-height: calc(90vh - 80px);
}

/* Reset all elements inside toolbar to prevent website CSS interference */
.accessibility-toolbar * {
  box-sizing: border-box !important;
}

.accessibility-toolbar section {
  padding-top: 0 !important;
  margin-top: 0 !important;
}

/* Custom scrollbar */
.accessibility-toolbar-content::-webkit-scrollbar {
  width: 8px;
}

.accessibility-toolbar-content::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 10px;
}

.accessibility-toolbar-content::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 10px;
}

.accessibility-toolbar-content::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* ============================================
   SECTIONS
   ============================================ */
.accessibility-section {
  margin: 0 0 24px 0 !important;
  padding: 0 0 24px 0 !important;
  border-bottom: 1px solid #e5e7eb;
}

.accessibility-section:last-child {
  border-bottom: none;
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
}

.accessibility-section h4 {
  margin: 0 0 16px 0 !important;
  padding: 0 !important;
  font-size: 16px;
  font-weight: 600;
  color: #1f2937;
}

/* ============================================
   CONTROLS
   ============================================ */
.accessibility-control {
  margin-bottom: 16px;
}

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

.accessibility-control > label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: #374151;
  margin-bottom: 8px;
}

.accessibility-button-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.accessibility-btn {
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.accessibility-btn:hover {
  background: #e5e7eb;
  border-color: #9ca3af;
}

.accessibility-btn:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

.accessibility-btn:active {
  background: #d1d5db;
}

.accessibility-btn-full {
  width: 100%;
  justify-content: center;
}

.accessibility-value {
  font-size: 14px;
  font-weight: 500;
  color: #667eea;
  min-width: 60px;
  text-align: center;
}

.accessibility-select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 14px;
  color: #374151;
  background: white;
  cursor: pointer;
  transition: all 0.2s ease;
}

.accessibility-select:hover {
  border-color: #9ca3af;
}

.accessibility-select:focus {
  outline: 2px solid #667eea;
  outline-offset: 0;
  border-color: #667eea;
}

/* ============================================
   TOGGLES
   ============================================ */
.accessibility-toggle label {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 14px;
  color: #374151;
  user-select: none;
}

.accessibility-toggle input[type="checkbox"] {
  width: 44px;
  height: 24px;
  margin-right: 12px;
  appearance: none;
  background: #d1d5db;
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: background 0.2s ease;
}

.accessibility-toggle input[type="checkbox"]:checked {
  background: #667eea;
}

.accessibility-toggle input[type="checkbox"]::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  top: 2px;
  left: 2px;
  transition: left 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.accessibility-toggle input[type="checkbox"]:checked::before {
  left: 22px;
}

.accessibility-toggle input[type="checkbox"]:focus {
  outline: 2px solid #fbbf24;
  outline-offset: 2px;
}


/* ============================================
   MAGNIFIER
   ============================================ */
.accessibility-magnifier {
  position: absolute;
  width: 150px;
  height: 150px;
  border: 3px solid #667eea;
  border-radius: 50%;
  pointer-events: none;
  z-index: 999998 !important;
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2), 0 8px 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(0);
  background: white;
  overflow: hidden;
  isolation: isolate;
  filter: none !important;
  transform: translateZ(0);
}

/* Exclude magnifier from all contrast modes */
.accessibility-high-contrast .accessibility-magnifier,
.accessibility-inverted .accessibility-magnifier,
.accessibility-grayscale .accessibility-magnifier,
.accessibility-deuteranopia .accessibility-magnifier,
.accessibility-protanopia .accessibility-magnifier,
.accessibility-tritanopia .accessibility-magnifier {
  filter: none !important;
}

/* ============================================
   ACCESSIBILITY MODES
   ============================================ */

/* High Contrast Mode */
.accessibility-high-contrast {
  background: white !important;
  color: black !important;
}

.accessibility-high-contrast body {
  filter: contrast(150%);
}

/* Target specific elements for high contrast, not everything */
.accessibility-high-contrast p,
.accessibility-high-contrast h1,
.accessibility-high-contrast h2,
.accessibility-high-contrast h3,
.accessibility-high-contrast h4,
.accessibility-high-contrast h5,
.accessibility-high-contrast h6,
.accessibility-high-contrast span,
.accessibility-high-contrast li,
.accessibility-high-contrast td,
.accessibility-high-contrast th {
  color: black !important;
}

.accessibility-high-contrast a {
  color: #0000EE !important;
  text-decoration: underline !important;
}

.accessibility-high-contrast a:visited {
  color: #551A8B !important;
}

.accessibility-high-contrast button,
.accessibility-high-contrast input,
.accessibility-high-contrast select,
.accessibility-high-contrast textarea {
  border: 2px solid black !important;
  background: white !important;
  color: black !important;
}

/* Exclude accessibility toolbar from filters */
.accessibility-high-contrast .accessibility-floating-btn,
.accessibility-high-contrast .accessibility-toolbar {
  filter: none !important;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  color: white !important;
}

.accessibility-high-contrast .accessibility-toolbar {
  background: white !important;
  border: 2px solid black !important;
}

.accessibility-high-contrast .accessibility-toolbar-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  color: white !important;
}

/* Inverted Colors */
.accessibility-inverted {
  filter: invert(1) hue-rotate(180deg);
}

.accessibility-inverted img,
.accessibility-inverted video,
.accessibility-inverted [style*="background-image"] {
  filter: invert(1) hue-rotate(180deg);
}

/* Exclude accessibility toolbar from inverted colors */
.accessibility-inverted .accessibility-floating-btn,
.accessibility-inverted .accessibility-toolbar {
  filter: none !important;
}

/* Grayscale */
.accessibility-grayscale {
  filter: grayscale(100%);
}

/* Exclude accessibility toolbar from grayscale */
.accessibility-grayscale .accessibility-floating-btn,
.accessibility-grayscale .accessibility-toolbar {
  filter: none !important;
}

/* Color Blind Modes */
.accessibility-deuteranopia {
  filter: url('#deuteranopia-filter');
}

.accessibility-protanopia {
  filter: url('#protanopia-filter');
}

.accessibility-tritanopia {
  filter: url('#tritanopia-filter');
}

/* Exclude accessibility toolbar from color blind filters */
.accessibility-deuteranopia .accessibility-floating-btn,
.accessibility-deuteranopia .accessibility-toolbar,
.accessibility-protanopia .accessibility-floating-btn,
.accessibility-protanopia .accessibility-toolbar,
.accessibility-tritanopia .accessibility-floating-btn,
.accessibility-tritanopia .accessibility-toolbar {
  filter: none !important;
}

/* Enhanced Focus Indicator */
.accessibility-focus-enhanced *:focus {
  outline: 3px solid #fbbf24 !important;
  outline-offset: 3px !important;
}

.accessibility-focus-enhanced a:focus,
.accessibility-focus-enhanced button:focus,
.accessibility-focus-enhanced input:focus,
.accessibility-focus-enhanced select:focus,
.accessibility-focus-enhanced textarea:focus {
  box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.5) !important;
}

/* Highlight Links */
.accessibility-highlight-links a {
  background: rgba(251, 191, 36, 0.2) !important;
  text-decoration: underline !important;
  padding: 2px 4px !important;
  border-radius: 3px !important;
}

.accessibility-highlight-links a:hover,
.accessibility-highlight-links a:focus {
  background: rgba(251, 191, 36, 0.4) !important;
}

/* Readable Alignment */
.accessibility-readable-alignment * {
  text-align: left !important;
}

/* Pause Animations */
.accessibility-pause-animations *,
.accessibility-pause-animations *::before,
.accessibility-pause-animations *::after {
  animation-play-state: paused !important;
  transition: none !important;
}

/* ============================================
   SCREEN READER ONLY
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .accessibility-toolbar {
    width: calc(100vw - 40px);
    left: 20px;
  }

  .accessibility-floating-btn {
    width: 56px;
    height: 56px;
    bottom: 16px;
    left: 16px;
  }

  .accessibility-icon {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .accessibility-toolbar {
    top: 20px;
    bottom: 20px;
    transform: translateX(-120%);
    max-height: calc(100vh - 40px);
  }

  .accessibility-toolbar-open {
    transform: translateX(0);
  }

  .accessibility-toolbar-header h3 {
    font-size: 16px;
  }

  .accessibility-reset-btn {
    font-size: 0;
    padding: 8px;
  }

  .accessibility-reset-btn svg {
    margin: 0;
  }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
  .accessibility-floating-btn,
  .accessibility-toolbar {
    display: none !important;
  }
}

/* ============================================
   COLOR BLIND FILTERS (SVG)
   ============================================ */
.accessibility-svg-filters {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* ============================================
   TTS USAGE MESSAGE
   ============================================ */
#tts-usage-message {
  line-height: 1.4;
}

#tts-usage-message strong {
  display: block;
  margin-bottom: 4px;
}

/* ============================================
   DARK MODE SUPPORT
   ============================================ */
@media (prefers-color-scheme: dark) {
  .accessibility-toolbar {
    background: #1f2937;
  }

  .accessibility-section {
    border-bottom-color: #374151;
  }

  .accessibility-section h4 {
    color: #f9fafb;
  }

  .accessibility-control > label {
    color: #e5e7eb;
  }

  .accessibility-btn {
    background: #374151;
    border-color: #4b5563;
    color: #f9fafb;
  }

  .accessibility-btn:hover {
    background: #4b5563;
    border-color: #6b7280;
  }

  .accessibility-select {
    background: #374151;
    border-color: #4b5563;
    color: #f9fafb;
  }

  .accessibility-toggle input[type="checkbox"] {
    background: #4b5563;
  }


  .accessibility-toolbar-content::-webkit-scrollbar-track {
    background: #374151;
  }

  .accessibility-toolbar-content::-webkit-scrollbar-thumb {
    background: #6b7280;
  }

  .accessibility-toolbar-content::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
  }

  #tts-usage-message {
    background: #374151 !important;
    color: #e5e7eb !important;
  }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .accessibility-floating-btn,
  .accessibility-toolbar,
  .accessibility-btn,
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}