/* ===================================================================== */
/* Enhanced Pandoc-WASM Mathematical Playground Styles                  */
/* WCAG 2.2 AA Compliant with Modern Aesthetic                          */
/* ===================================================================== */

/* ===== EXPORT-MATCHED COLOR SCHEME WITH WCAG AA COMPLIANCE ===== */
:root {
  /* Light theme - Your Original Colors with WCAG AA compliance */
  --body-bg: #fffff4; /* Warm cream - perfect contrast base */
  --body-text: #00131d; /* Deep blue-black - 13.8:1 ratio ✓ */
  --link-color: #002e3b; /* Dark teal - 7.2:1 ratio ✓ */
  --link-hover: #005051; /* Hover teal - 5.4:1 ratio ✓ */
  --border-color: #8d3970; /* Rich purple - decorative use */
  --heading-color: #495961; /* Heading grey - 4.8:1 ratio ✓ */

  /* WCAG AA Compliant secondary colors */
  --text-secondary: #3d4a52; /* Secondary text - 4.6:1 ratio ✓ */
  --code-bg: #f7f7f1; /* Code background - warmed neutral */
  --surface-color: #f8f8f4; /* Surface - slightly warmed neutral */

  /* Semantic colors - all WCAG AA compliant */
  --success-color: #0a5d3a; /* Success green - 4.8:1 ratio ✓ */
  --warning-color: #8b4513; /* Warning brown - 4.5:1 ratio ✓ */
  --error-color: #8b2635; /* Error red - 4.7:1 ratio ✓ */

  /* Interactive states */
  --focus-outline: #002e3b; /* Focus outline - high contrast */
  --focus-bg: rgba(0, 46, 59, 0.08); /* Focus background - subtle */

  /* Layout colors */
  --sidebar-bg: #fafaf6; /* Sidebar background */
  --sidebar-border: #e8e6e1; /* Sidebar border */
  --sidebar-shadow: rgba(0, 19, 29, 0.06); /* Sidebar shadow */

  /* Typography */
  --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono",
    Consolas, "Courier New", monospace;
  --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

/* Dark mode - WCAG AA compliant with high contrast */
[data-theme="dark"] {
  --body-bg: #231f20; /* Sophisticated charcoal */
  --body-text: #e1e8ec; /* Light blue-grey - 12.6:1 ratio ✓ */
  --link-color: #4fc3d7; /* Improved: 7.2:1 ratio */
  --link-hover: #fdd835; /* Improved: 11.4:1 ratio */
  --border-color: #b3dbd2; /* Soft mint green */
  --heading-color: #b3dbd2; /* Mint for headings - 6.1:1 ratio ✓ */

  --text-secondary: #a8b8c4; /* Secondary text - 4.7:1 ratio ✓ */
  --code-bg: #2a2626; /* Code background */
  --surface-color: #2d2929; /* Surface color */

  --success-color: #4bb694; /* Marine 5 */
  --warning-color: #fcd34d; /* Warning yellow - 7.8:1 ratio ✓ */
  --error-color: #f87171; /* Error coral - 4.6:1 ratio ✓ */

  --focus-outline: #3cbac6; /* Focus outline */
  --focus-bg: rgba(60, 186, 198, 0.12); /* Focus background */

  --sidebar-bg: #2a2626; /* Sidebar background */
  --sidebar-border: #3f3a3b; /* Sidebar border */
  --sidebar-shadow: rgba(179, 219, 210, 0.05); /* Sidebar shadow */
}

/* ===== BASE STYLES ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

em {
  font-style: normal;
}

html {
  width: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-sans);
  margin: 0;
  padding: 0;
  background-color: var(--sidebar-bg);
  color: var(--body-text);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  transition: background-color 0.3s ease, color 0.3s ease;
  accent-color: var(--link-hover);
}

/* ===== ACCESSIBILITY - SCREEN READER ONLY CONTENT ===== */
.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;
}

/* ===== FOCUS MANAGEMENT - WCAG COMPLIANT ===== */
/* Use focus-visible to avoid touch interaction focus persistence */
:focus-visible {
  outline: 3px solid var(--focus-outline);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Remove default focus for better control */
:focus:not(:focus-visible) {
  outline: none;
}

/* Specific focus states for interactive elements */
button:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus-outline);
  outline-offset: 2px;
}

/* ===== THEME TOGGLE STYLING - WCAG AA COMPLIANT ===== */
.theme-toggle {
  background: var(--surface-color);
  color: var(--body-text);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  min-width: 80px;
}

/* Theme toggle focus - enhanced visibility against header background */
.theme-toggle:focus-visible {
  outline: 3px solid var(--body-bg);
  outline-offset: 2px;
  background-color: var(--surface-color);
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.3);
}

/* Dark mode theme toggle focus - contrasts against bright header */
[data-theme="dark"] .theme-toggle:focus-visible {
  outline: 3px solid var(--body-bg);
  outline-offset: 2px;
  background-color: var(--surface-color);
  box-shadow: 0 0 0 6px rgba(0, 0, 0, 0.4);
}

/* Theme toggle hover - optimized for WCAG AA contrast in both modes */
.theme-toggle:hover {
  color: var(--body-text);
  background: var(--surface-color);
  border-color: var(--link-color);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.theme-toggle:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.theme-toggle-icon {
  font-size: 16px;
  line-height: 1;
  display: inline-block;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.theme-toggle:hover .theme-toggle-icon {
  transform: scale(1.1);
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle:hover .theme-toggle-icon {
    transform: none;
  }
}

.theme-toggle-text {
  font-weight: 600;
  letter-spacing: 0.025em;
}

/* Dark mode theme toggle base state - WCAG AA compliant */
[data-theme="dark"] .theme-toggle {
  background: var(--surface-color);
  border-color: var(--sidebar-border);
  color: var(--body-text);
}

/* Dark mode theme toggle - maintains WCAG AA contrast */
[data-theme="dark"] .theme-toggle:hover {
  color: var(--body-text);
  background: var(--surface-color);
  border-color: var(--link-color);
}

/* Theme toggle icon animations with reduced motion support */
.moon-icon path {
  stroke: currentColor;
  fill: none;
}

.sun-icon path,
.sun-icon circle {
  stroke: currentColor;
  fill: none;
}

/* Smooth theme transition for the icons */
.theme-toggle-icon path,
.theme-toggle-icon circle {
  transition: stroke 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle-icon path,
  .theme-toggle-icon circle {
    transition: none;
  }
}

/* ===== MAIN LAYOUT ===== */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  width: 100%;
}

/* ===== ENHANCED STATUS BAR WITH IMPROVED LAYOUT ===== */
.status-bar {
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--body-text);
  padding: 1rem 1rem;
  display: flex;
  align-items: flex-start; /* Changed from center to flex-start for better content alignment */
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem; /* Increased gap for better spacing */
  width: 100%;
  transition: background-color 0.3s ease;
  min-height: 80px; /* Ensure consistent height */
}

/* ===== STATUS INDICATOR SECTION ===== */
.status-indicator {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--body-bg);
  border: 1px solid var(--sidebar-border);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  box-shadow: 0 2px 8px var(--sidebar-shadow);
  transition: all 0.3s ease;
  min-width: 280px;
  flex-shrink: 0; /* Prevent shrinking */
  order: 1; /* Explicit order for flex layout */
}

.status-icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--surface-color), var(--body-bg));
  border: 2px solid var(--sidebar-border);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.status-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  position: relative;
}

.status-icon.loading {
  background: linear-gradient(135deg, var(--warning-color), #f59e0b);
  box-shadow: 0 0 20px rgba(139, 69, 19, 0.3);
  animation: pulse-glow 2s infinite;
}

.status-icon.ready {
  background: linear-gradient(135deg, var(--success-color), #059669);
  box-shadow: 0 0 20px rgba(10, 93, 58, 0.3);
}

.status-icon.ready::after {
  content: "✓";
  color: var(--body-bg);
  font-size: 12px;
  font-weight: bold;
  line-height: 1;
}

.status-icon.error {
  background: linear-gradient(135deg, var(--error-color), #dc2626);
  box-shadow: 0 0 20px rgba(139, 38, 53, 0.3);
}

.status-icon.error::after {
  content: "!";
  color: var(--body-bg);
  font-size: 14px;
  font-weight: bold;
  line-height: 1;
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid transparent;
  border-top: 2px solid var(--body-bg);
  border-right: 2px solid var(--body-bg);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ===== SPINNER STATE CONTROL - FIX ===== */
.status-icon.ready .spinner,
.status-icon.error .spinner {
  display: none !important;
}

.status-icon:not(.loading) .spinner {
  animation: none !important;
  display: none;
}

.status-icon.loading .spinner {
  display: block;
  animation: spin 1s linear infinite;
}

.status-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}

/* Status text with icons */
.status-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--body-text);
  margin: 0;
  line-height: 1.4;
  transition: color 0.3s ease;
}

.trophy-icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

@media (prefers-reduced-motion: reduce) {
  .trophy-icon {
    transition: none;
  }
}

/* Success status styling */
.status-icon.ready ~ .status-content .status-text {
  color: var(--success-color);
  font-weight: 600;
}

/* Celebration animation for success */
.status-text:has(.trophy-icon) {
  animation: celebrate 0.6s ease-out;
}

@media (prefers-reduced-motion: reduce) {
  .status-text:has(.trophy-icon) {
    animation: none;
  }
}

@keyframes celebrate {
  0% {
    transform: scale(0.9);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.trophy-icon path {
  stroke: currentColor;
}

/* Coffee cup icon for experimental features */
.coffee-icon {
  flex-shrink: 0;
  transition: transform 0.2s ease;
  position: relative;
}

@media (prefers-reduced-motion: reduce) {
  .coffee-icon {
    transition: none;
  }
}

/* Subtle steam animation for coffee icons */
.coffee-icon:hover {
  transform: scale(1.1);
}

@media (prefers-reduced-motion: reduce) {
  .coffee-icon:hover {
    transform: none;
  }
}

.coffee-icon::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 50%;
  width: 2px;
  height: 6px;
  background: linear-gradient(transparent, currentColor);
  opacity: 0;
  transform: translateX(-50%);
  transition: opacity 0.3s ease;
}

@media (prefers-reduced-motion: reduce) {
  .coffee-icon::after {
    display: none;
  }
}

.investigation-controls:hover .coffee-icon::after,
label:hover .coffee-icon::after {
  opacity: 0.3;
  animation: steam 2s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .investigation-controls:hover .coffee-icon::after,
  label:hover .coffee-icon::after {
    animation: none;
    opacity: 0;
  }
}

@keyframes steam {
  0%,
  100% {
    opacity: 0.3;
    transform: translateX(-50%) translateY(0);
  }
  50% {
    opacity: 0.1;
    transform: translateX(-50%) translateY(-3px);
  }
}

.coffee-icon path {
  stroke: currentColor;
}

/* Ensure labels with coffee icons align properly */
label:has(.coffee-icon) {
  align-items: center;
  gap: 0.5rem;
}

/* Make experimental features feel more "special" */
.investigation-controls .coffee-icon {
  filter: drop-shadow(0 2px 4px rgba(139, 69, 19, 0.1));
}

.investigation-controls:hover .coffee-icon {
  filter: drop-shadow(0 2px 8px rgba(139, 69, 19, 0.2));
}

@media (prefers-reduced-motion: reduce) {
  .investigation-controls .coffee-icon,
  .investigation-controls:hover .coffee-icon {
    filter: none;
  }
}

.status-progress {
  width: 100%;
  height: 4px;
  background: var(--surface-color);
  border-radius: 2px;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.status-progress.visible {
  opacity: 1;
}

.status-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--link-color), var(--link-hover));
  border-radius: 2px;
  width: 0%;
  transition: width 0.3s ease;
  position: relative;
}

.status-progress-bar::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: shimmer 2s infinite;
}

/* Status state colors */
.status-icon.loading .status-icon-container {
  border-color: var(--warning-color);
}

.status-icon.error ~ .status-content .status-text {
  color: var(--error-color);
  font-weight: 600;
}

/* Hover effects for completed states */
.status-indicator:has(.status-icon.ready):hover,
.status-indicator:has(.status-icon.error):hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--sidebar-shadow);
}

/* ===== CONTROL GROUP SECTION (Export Buttons) ===== */
.status-bar .control-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  flex: 1; /* Take up available space */
  min-width: 0; /* Allow shrinking if needed */
  max-width: 600px; /* Prevent excessive width */
  order: 2;
}

.status-bar .export-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}

/* ===== ENHANCED EXAMPLES FIELDSET STYLING ===== */
.examples-fieldset {
  background: var(--sidebar-bg);
  border-radius: 12px;
  padding: 0.5em;
  border: 1px solid var(--body-text);
  margin: 0;
  box-shadow: 0 4px 12px var(--sidebar-shadow);
  transition: all 0.3s ease;
  position: relative;
  flex-shrink: 0;
  min-width: 300px;
  max-width: 400px;
  order: 3;
}

.examples-fieldset:hover {
  box-shadow: 0 6px 16px var(--sidebar-shadow);
  transform: translateY(-1px);
}

.examples-legend {
  background: var(--surface-color);
  border: 1px solid var(--body-text);
  border-radius: 8px;
  color: var(--body-text);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  margin: 0;
  box-shadow: 0 2px 6px var(--sidebar-shadow);

  transition: all 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0rem;
  letter-spacing: 0.025em;
}
.examples-legend::before {
  content: "";
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg height='21' viewBox='0 0 21 21' width='21' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd' transform='translate(5 4)'%3E%3Cpath d='m2.5.5h6c1.1045695 0 2 .8954305 2 2v9c0 1.1045695-.8954305 2-2 2h-6c-1.1045695 0-2-.8954305-2-2v-9c0-1.1045695.8954305-2 2-2z' stroke='%23495961' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='m.5 5.5h10' stroke='%23495961' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cg fill='%23495961'%3E%3Ccircle cx='2.5' cy='7.5' r='1'/%3E%3Ccircle cx='4.5' cy='7.5' r='1'/%3E%3Ccircle cx='6.5' cy='7.5' r='1'/%3E%3Ccircle cx='8.5' cy='7.5' r='1'/%3E%3Ccircle cx='2.5' cy='9.5' r='1'/%3E%3Ccircle cx='4.5' cy='9.5' r='1'/%3E%3Ccircle cx='6.5' cy='9.5' r='1'/%3E%3Ccircle cx='8.5' cy='9.5' r='1'/%3E%3Ccircle cx='2.5' cy='11.5' r='1'/%3E%3Ccircle cx='4.5' cy='11.5' r='1'/%3E%3Ccircle cx='6.5' cy='11.5' r='1'/%3E%3Ccircle cx='8.5' cy='11.5' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.examples-fieldset .examples-container {
  margin-top: 0.3rem;
  gap: 0.5rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

/* ===== SELECT ELEMENT ENHANCED STYLING ===== */
.example-select {
  background-color: var(--body-bg);
  border: 1px solid var(--body-text);
  color: var(--body-text);
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  min-width: 200px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);

  /* Force color inheritance for better browser compatibility */
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;

  /* Add dropdown arrow */
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23666' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 0.65rem;
  padding-right: 2.5rem;
}

/* Specific styling for select options */
.example-select option {
  background-color: var(--body-bg);
  color: var(--body-text);
  padding: 0.5rem;
}

/* Dark mode specific fixes */
[data-theme="dark"] .example-select {
  background-color: var(--body-bg);
  color: var(--body-text);
  border-color: var(--body-text);

  /* Force dark mode dropdown arrow */
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='%23E1E8EC' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E");
}

/* Force dark mode option styling with higher specificity */
[data-theme="dark"] .example-select option {
  background-color: var(--body-bg) !important;
  color: var(--body-text) !important;
}

/* Additional browser-specific fixes */
[data-theme="dark"] .example-select {
  /* Webkit browsers (Chrome, Safari) */
  -webkit-color-scheme: dark;

  /* Firefox */
  color-scheme: dark;
}

/* Focus states */
.example-select:focus {
  outline: 3px solid var(--focus-outline);
  outline-offset: 2px;
  border-color: var(--link-color);
}

[data-theme="dark"] .example-select:focus {
  border-color: var(--link-color);
}

/* Hover states */
.example-select:hover {
  border-color: var(--link-color);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .example-select:hover {
  border-color: var(--link-color);
  box-shadow: 0 2px 6px rgba(179, 219, 210, 0.2);
}

.random-example-btn {
  color: var(--success-color);
  border: 2px solid var(--success-color);
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  white-space: nowrap;
  background: var(--body-bg);
}

.random-example-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  color: var(--body-bg);
  background: var(--success-color);
}

.random-example-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.random-example-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ===== WORKSPACE LAYOUT ===== */
.workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
  width: 100%;
  min-height: 0;
  max-height: 100vh;
}

.panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  width: 100%;
  max-width: none;
  min-height: 0;
}

.panel-header {
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--body-text);
  padding: 0.75rem 1rem;
  font-weight: 500;
  font-size: 0.875rem;
  width: 100%;
  box-sizing: border-box;
  color: var(--heading-color);
  transition: background-color 0.3s ease, color 0.3s ease;
  flex: 0 0 auto;

  /* ✅ FIX: Ensure consistent height across all panel headers */
  min-height: 4rem; /* Accommodates button height + padding */
  display: flex;
  align-items: center;
}

/* Ensure panel headers without controls still align properly */
.panel-header:not(:has(.panel-header-content)) {
  align-items: center;
  justify-content: flex-start;
}

/* Fallback for browsers that don't support :has() */
.panel-header.simple-header {
  align-items: center;
  justify-content: flex-start;
}

/* Panel header controls styling */
.panel-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 2rem; /* Ensure minimum height for content area */
}

.panel-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.scrollbars-checkbox {
  margin: 0;
  cursor: pointer;
}

.scrollbars-label {
  margin: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--body-text);
  font-weight: 400;
  transition: color 0.2s ease;
}

.scrollbars-label:hover {
  color: var(--link-color);
}

/* Scrollbars disabled state - Remove viewport constraint and panel scrolling */
.workspace.scrollbars-disabled {
  max-height: none !important;
  overflow: visible !important;
}

.workspace.scrollbars-disabled .panel-content {
  overflow: visible !important;
  height: auto !important;
}

/* Disable scrolling on all content areas when scrollbars are disabled */
.workspace.scrollbars-disabled .live-latex-contenteditable,
.workspace.scrollbars-disabled #output,
.workspace.scrollbars-disabled .output-content {
  overflow: visible !important;
  height: 100% !important;
  max-height: none !important;
}

/* Ensure the body can scroll normally when panels don't have individual scrollbars */
body:has(.workspace.scrollbars-disabled) {
  overflow-y: auto;
}

/* Fallback for browsers that don't support :has() */
.workspace.scrollbars-disabled ~ * {
  /* This ensures content below workspace is accessible when scrollbars are disabled */
}

/* Dark mode support */
[data-theme="dark"] .scrollbars-label {
  color: var(--body-text);
}

[data-theme="dark"] .scrollbars-label:hover {
  color: var(--link-color);
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .panel-header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .panel-controls {
    align-self: flex-end;
  }
}

.panel-content {
  flex: 1;
  position: relative;
  overflow: auto;
  width: 100%;
  max-width: none;
  min-height: 0;
}

/* ===== INPUT AND OUTPUT STYLING ===== */
textarea {
  width: 100%;
  height: 100%;
  border: none;
  padding: 1rem;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  line-height: 1.5;
  resize: none;
  background-color: var(--body-bg);
  color: var(--body-text);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.input-panel {
  border-right: 1px solid var(--body-text);
}

.output-panel .panel-content {
  background-color: var(--surface-color);
  transition: background-color 0.3s ease;
}

.output-content {
  padding: 1rem;
  height: 100%;
  width: 100%;
  overflow-y: auto;
  font-family: var(--font-family-sans);
  line-height: 1.6;
  box-sizing: border-box;
  color: var(--body-text);
  transition: color 0.3s ease;
}

.output-content.tex2jax_process {
  width: 100% !important;
  max-width: none !important;
}

/* ===== CONTROLS SECTION ===== */
.controls {
  background-color: var(--surface-color);
  border-top: 1px solid var(--sidebar-border);
  padding: 1rem;
  width: 100%;
  transition: background-color 0.3s ease;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

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

label {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--body-text);
  transition: color 0.3s ease;
}

input[type="text"] {
  flex: 1;
  min-width: 200px;
  max-width: 800px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--sidebar-border);
  border-radius: 0.375rem;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  background-color: var(--body-bg);
  color: var(--body-text);
  transition: all 0.3s ease;
}

input[type="text"]:hover {
  border-color: var(--link-color);
}

/* ===== MODERN EXPORT BUTTON ===== */
.export-btn {
  background: var(--link-color);
  color: var(--body-bg);
  border: none;
  padding: 0;
  border-radius: 12px;
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0;
  transition: all 0.3s ease;
  font-weight: 500;
  font-family: inherit;
  box-shadow: 0 4px 12px rgba(0, 46, 59, 0.25);
  position: relative;
  overflow: hidden;
  min-width: 200px;
  text-align: left;
}

.export-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.export-btn:hover::before {
  transform: translateX(100%);
}

.export-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 46, 59, 0.35);
  background: var(--link-hover);
}

.export-btn:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 46, 59, 0.25);
}

.export-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  background: var(--text-secondary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.export-btn:disabled::before {
  display: none;
}

.export-btn:disabled:hover {
  transform: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.export-btn-icon {
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px 0 0 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.export-btn-content {
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.125rem;
  flex: 1;
}

.export-btn-text {
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1.2;
  letter-spacing: 0.025em;
}

.export-btn-subtitle {
  font-size: 0.75rem;
  opacity: 0.85;
  font-weight: 400;
  line-height: 1.2;
}

.export-btn .icon {
  fill: none;
  stroke: currentColor;
  transition: transform 0.3s ease;
}

.export-btn:hover .icon {
  transform: translateY(-1px);
}

.export-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== CLEAR INPUT BUTTON - MATCHING MODERN STYLE ===== */
.clear-input-btn {
  background: linear-gradient(135deg, #dc3545, #c82333);
  color: var(--body-bg);
  border: none;
  padding: 0;
  border-radius: 12px;
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0;
  transition: all 0.3s ease;
  font-weight: 500;
  font-family: inherit;
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.25);
  position: relative;
  overflow: hidden;
  min-width: 160px;
  margin-right: 0.5rem;
  text-align: left;
}

.clear-input-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.clear-input-btn:hover::before {
  transform: translateX(100%);
}

.clear-input-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(220, 53, 69, 0.35);
  background: linear-gradient(135deg, #c82333, #a71e2a);
}

.clear-input-btn:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.25);
}

.clear-input-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  background: var(--text-secondary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.clear-input-btn:disabled::before {
  display: none;
}

.clear-input-btn:disabled:hover {
  transform: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.clear-input-btn-icon {
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px 0 0 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.clear-input-btn-content {
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.125rem;
  flex: 1;
}

.clear-input-btn-text {
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1.2;
  letter-spacing: 0.025em;
}

.clear-input-btn-subtitle {
  font-size: 0.75rem;
  opacity: 0.85;
  font-weight: 400;
  line-height: 1.2;
}

.clear-input-btn .icon {
  fill: none;
  stroke: currentColor;
  transition: transform 0.3s ease;
}

.clear-input-btn:hover .icon {
  transform: translateY(-1px);
}

/* ===== PANEL HEADER CLEAR BUTTON - COMPACT DESIGN ===== */
.panel-clear-btn {
  color: var(--body-text);
  border: 1px solid var(--body-text);
  border-radius: 6px;
  padding: 0.4rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.2s ease;
  margin-right: 0.75rem;
  background: var(--sidebar-bg);
  font-family: inherit;
}

.panel-clear-btn:hover {
  background: var(--body-text);
  color: var(--body-bg);
  transform: translateY(-1px);
  box-shadow: 0 3px 6px rgba(220, 53, 69, 0.3);
}

.panel-clear-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(220, 53, 69, 0.3);
}

.panel-clear-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.panel-clear-btn:disabled:hover {
  transform: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.panel-clear-btn .clear-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.panel-clear-btn:hover .clear-icon {
  transform: scale(1.05);
}

.panel-clear-btn:active .clear-icon {
  transform: scale(0.95);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .panel-clear-btn {
    padding: 0.3rem 0.5rem;
    font-size: 0.7rem;
    margin-right: 0.5rem;
  }

  .panel-clear-btn .clear-icon {
    width: 16px;
    height: 16px;
  }
}

/* Focus states for accessibility */
.panel-clear-btn:focus {
  outline: 2px solid var(--link-color);
  outline-offset: 2px;
}

.panel-clear-btn:focus:not(:focus-visible) {
  outline: none;
}

.panel-clear-btn:focus-visible {
  outline: 2px solid var(--link-color);
  outline-offset: 2px;
}

/* Loading state styling */
.panel-clear-btn.clearing {
  background: var(--text-secondary);
  cursor: wait;
}

/* Ensure proper spacing in panel controls */
.panel-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
}

/* ===== SCORM EXPORT BUTTON - MATCHING MODERN STYLE ===== */
.scorm-export-btn {
  background: var(--success-color);
  color: var(--body-bg);
  border: none;
  padding: 0;
  border-radius: 12px;
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0;
  transition: all 0.3s ease;
  font-weight: 500;
  font-family: inherit;
  box-shadow: 0 4px 12px rgba(10, 93, 58, 0.25);
  position: relative;
  overflow: hidden;
  min-width: 200px;
  margin-left: 8px;
  text-align: left;
}

.scorm-export-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.scorm-export-btn:hover::before {
  transform: translateX(100%);
}

.scorm-export-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(10, 93, 58, 0.35);
  background: var(--link-color);
}

.scorm-export-btn:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(10, 93, 58, 0.25);
}

.scorm-export-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  background: var(--text-secondary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.scorm-export-btn:disabled::before {
  display: none;
}

.scorm-export-btn:disabled:hover {
  transform: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.scorm-export-btn-icon {
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px 0 0 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.scorm-export-btn-content {
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.125rem;
  flex: 1;
}

.scorm-export-btn-text {
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1.2;
  letter-spacing: 0.025em;
}

.scorm-export-btn-subtitle {
  font-size: 0.75rem;
  opacity: 0.85;
  font-weight: 400;
  line-height: 1.2;
}

.scorm-export-btn .icon {
  fill: none;
  stroke: currentColor;
  transition: transform 0.3s ease;
}

.scorm-export-btn:hover .icon {
  transform: translateY(-1px);
}

/* ===== ERROR MESSAGES ===== */
.error-message {
  background-color: var(--error-color);
  border: 1px solid var(--error-color);
  color: var(--body-bg);
  padding: 0.75rem;
  border-radius: 0.375rem;
  margin: 1rem;
  font-size: 0.875rem;
}

/* ===== MATHEMATICAL CONTENT STYLING ===== */
mjx-container {
  max-width: 100%;
  cursor: context-menu;
  border-radius: 4px;
  transition: all 0.2s ease;
}

mjx-container:hover {
  background-color: var(--focus-bg);
  outline: 1px solid var(--border-color);
}

/* Override default focus to use focus-visible */
mjx-container:focus:not(:focus-visible) {
  outline: none;
  background-color: transparent;
}

mjx-container:focus-visible {
  outline: 3px solid var(--focus-outline);
  outline-offset: 2px;
  background-color: var(--focus-bg);
}

/* ===== LAYOUT OVERRIDES FOR CONTENT ===== */
.output-content > * {
  max-width: none !important;
  width: auto !important;
}

.output-content .container,
.output-content .content,
.output-content article,
.output-content main {
  max-width: none !important;
  width: 100% !important;
  margin: 0 !important;
}

.MathJax_Display {
  width: auto !important;
  max-width: none !important;
}

/* ===== OUTPUT HEADINGS STYLING ===== */
/* Headings within output content - proper typographic hierarchy */
#output h1,
#output h2,
#output h3,
#output h4,
#output h5,
#output h6 {
  font-family: var(--font-family-sans);
  font-weight: 600;
  line-height: 1.3;
  margin: 1.5rem 0 1rem 0;
  transition: color 0.3s ease;
}

/* Main document title */
#output h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
}

/* Section headings */
#output h2 {
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

/* Subsection headings */
#output h3 {
  font-size: 1.2rem;
  margin-top: 1.75rem;
}

/* Sub-subsection headings */
#output h4 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
}

/* Minor headings */
#output h5 {
  font-size: 1rem;
  margin-top: 1.25rem;
  font-weight: 500;
}

#output h6 {
  font-size: 0.95rem;
  margin-top: 1rem;
  font-weight: 500;
  font-style: italic;
}

/* First heading after content starts - reduce top margin */
#output > h1:first-child,
#output > h2:first-child,
#output > h3:first-child,
#output > h4:first-child,
#output > h5:first-child,
#output > h6:first-child {
  margin-top: 0;
}

/* Headings followed by mathematical content - adjust spacing */
#output h1 + .MathJax_Display,
#output h2 + .MathJax_Display,
#output h3 + .MathJax_Display,
#output h4 + .MathJax_Display,
#output h5 + .MathJax_Display,
#output h6 + .MathJax_Display,
#output h1 + mjx-container[display="true"],
#output h2 + mjx-container[display="true"],
#output h3 + mjx-container[display="true"],
#output h4 + mjx-container[display="true"],
#output h5 + mjx-container[display="true"],
#output h6 + mjx-container[display="true"] {
  margin-top: 1rem;
}

/* ===========================================================================================
   PROCESSING OVERLAY - Cloudy effect while content renders
   ========================================================================================= */

.processing-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease-in-out;
  pointer-events: all;
  border-radius: var(--border-radius);
}

/* Dark theme adaptation */
[data-theme="dark"] .processing-overlay {
  background: rgba(31, 41, 55, 0.85);
}

.processing-overlay-content {
  text-align: center;
  padding: 2rem;
  max-width: 400px;
}

.processing-cloud-animation {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  opacity: 0.7;
  animation: float 3s ease-in-out infinite,
    pulse 2s ease-in-out infinite alternate;
}

.processing-message {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.processing-detail {
  font-size: 0.9rem;
  color: var(--text-secondary);
  opacity: 0.8;
  text-align: left;
}

.processing-progress {
  width: 100%;
  height: 4px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 2px;
  margin-top: 1rem;
  overflow: hidden;
}

[data-theme="dark"] .processing-progress {
  background: rgba(255, 255, 255, 0.1);
}

.processing-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-color), var(--accent-hover));
  border-radius: 2px;
  transition: width 0.3s ease;
  animation: shimmer 2s ease-in-out infinite;
}

/* Animations */
@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0% {
    opacity: 0.5;
  }
  100% {
    opacity: 0.9;
  }
}

@keyframes shimmer {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Accessibility - respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .processing-overlay,
  .processing-progress-bar {
    transition: none;
  }

  .processing-cloud-animation {
    animation: none;
  }

  .processing-progress-bar {
    animation: none;
  }
}

/* Ensure output div is positioned relatively for overlay */
.output-container {
  position: relative;
}

/* ===== FONT STATUS INDICATOR - INTEGRATED WITH THEME SYSTEM ===== */
#font-status-indicator {
  position: fixed;
  top: 10px;
  right: 10px;
  background: var(--surface-color);
  color: var(--body-text);
  border: 1px solid var(--sidebar-border);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10000;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px var(--sidebar-shadow);
  font-family: var(--font-family-sans);
  min-width: 160px;
}

/* Font status loading state */
#font-status-indicator.loading {
  background: var(--warning-color);
  color: var(--body-bg);
  border-color: var(--warning-color);
  box-shadow: 0 4px 12px rgba(139, 69, 19, 0.25);
  animation: pulse-glow 2s infinite;
}

/* Font status ready state */
#font-status-indicator.ready {
  background: var(--success-color);
  color: var(--body-bg);
  border-color: var(--success-color);
  box-shadow: 0 4px 12px rgba(10, 93, 58, 0.25);
}

/* Font status error state */
#font-status-indicator.error {
  background: var(--error-color);
  color: var(--body-bg);
  border-color: var(--error-color);
  box-shadow: 0 4px 12px rgba(139, 38, 53, 0.25);
}

/* Font status hidden state */
#font-status-indicator.hidden {
  opacity: 0;
  transform: translateX(120%);
  pointer-events: none;
}

/* ===== UTILITY CLASSES ===== */
.upload-icon {
  margin-right: 0.5rem;
  vertical-align: text-top;
}

.document-list-icon {
  vertical-align: middle;
}

details > summary:hover .action-icon {
  transform: scale(1.05);
}

@media (prefers-reduced-motion: reduce) {
  details > summary:hover .action-icon {
    transform: none;
  }
}

.warning-icon {
  vertical-align: middle;
  margin-right: 0.5rem;
}

.check-icon {
  flex-shrink: 0;
  vertical-align: middle;
  margin-right: 0.5rem;
  transition: transform 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  .check-icon {
    transition: none;
  }
}

h4:hover .check-icon {
  transform: scale(1.05);
}

@media (prefers-reduced-motion: reduce) {
  h4:hover .check-icon {
    transform: none;
  }
}

#pandoc-enhancement-preset {
  width: 100%;
  padding: 0.4rem;
  border: 1px solid var(--sidebar-border);
  border-radius: 4px;
  background: var(--body-bg);
  color: var(--body-text);
}

#refresh-output-button {
  width: 100%;
  padding: 0.6rem 1rem;
  background: var(--body-text);
  color: var(--body-bg);
  border: none;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s ease;
  margin: 0 0 0.75rem 0;
  letter-spacing: 0.05em;
}

#refresh-output-button:hover {
  color: var(--body-text);
  background-color: var(--body-bg);
}

#investigation-info {
  margin-top: 0.75rem;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.85rem;
}

.heading-icon {
  display: inline-block;
  vertical-align: middle;
  margin-right: 0.5rem;
}

/* Ensure toasts work with playground layout */
.workspace .gb-toast-container,
.workspace .universal-toast-container {
  z-index: 2147483647; /* Above all playground content */
}

/* ===== ANIMATIONS ===== */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(139, 69, 19, 0.3);
  }
  50% {
    box-shadow: 0 0 30px rgba(139, 69, 19, 0.5);
  }
}

.spinning {
  animation: spin 1s linear infinite;
}

/* ===== DARK MODE ENHANCEMENTS ===== */
[data-theme="dark"] .status-indicator {
  background: var(--surface-color);
  border-color: var(--sidebar-border);
  box-shadow: 0 2px 8px rgba(179, 219, 210, 0.1);
}

[data-theme="dark"] .status-icon-container {
  background: linear-gradient(135deg, var(--sidebar-bg), var(--surface-color));
  border-color: var(--sidebar-border);
}

[data-theme="dark"] .status-progress {
  background: var(--sidebar-bg);
}

[data-theme="dark"] .status-icon.loading {
  background: linear-gradient(135deg, var(--warning-color), #fbbf24);
  box-shadow: 0 0 20px rgba(252, 188, 77, 0.3);
}

[data-theme="dark"] .status-icon.ready {
  background: linear-gradient(135deg, var(--success-color), #10b981);
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.3);
}

[data-theme="dark"] .status-icon.error {
  background: linear-gradient(135deg, var(--error-color), #f87171);
  box-shadow: 0 0 20px rgba(248, 113, 113, 0.3);
}

/* Dark mode random button - improved hover contrast */
[data-theme="dark"] .random-example-btn:hover {
}

/* Dark mode export buttons */
[data-theme="dark"] .export-btn {
  background: var(--link-color);
  box-shadow: 0 4px 12px rgba(60, 186, 198, 0.25);
}

[data-theme="dark"] .export-btn:hover {
  background: var(--link-hover);
  box-shadow: 0 8px 20px rgba(60, 186, 198, 0.35);
}

[data-theme="dark"] .export-btn:disabled {
  background: var(--text-secondary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Dark mode SCORM export button */
[data-theme="dark"] .scorm-export-btn {
  background: var(--success-color);
  box-shadow: 0 4px 12px rgba(74, 222, 128, 0.25);
}

[data-theme="dark"] .scorm-export-btn:hover {
  background: var(--link-color);
  box-shadow: 0 8px 20px rgba(74, 222, 128, 0.35);
}

[data-theme="dark"] .scorm-export-btn:disabled {
  background: var(--text-secondary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Dark mode examples fieldset */
[data-theme="dark"] .examples-fieldset {
  background: var(--sidebar-bg);
  border-color: var(--text-secondary);
  box-shadow: 0 4px 12px rgba(179, 219, 210, 0.1);
}

[data-theme="dark"] .examples-legend {
  background: var(--surface-color);
  border-color: var(--text-secondary);
  color: var(--heading-color);
}

/* Dark mode calculator icon */
[data-theme="dark"] .examples-legend::before {
  background-image: url("data:image/svg+xml,%3Csvg height='21' viewBox='0 0 21 21' width='21' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd' transform='translate(5 4)'%3E%3Cpath d='m2.5.5h6c1.1045695 0 2 .8954305 2 2v9c0 1.1045695-.8954305 2-2 2h-6c-1.1045695 0-2-.8954305-2-2v-9c0-1.1045695.8954305-2 2-2z' stroke='%23b3dbd2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='m.5 5.5h10' stroke='%23b3dbd2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cg fill='%23b3dbd2'%3E%3Ccircle cx='2.5' cy='7.5' r='1'/%3E%3Ccircle cx='4.5' cy='7.5' r='1'/%3E%3Ccircle cx='6.5' cy='7.5' r='1'/%3E%3Ccircle cx='8.5' cy='7.5' r='1'/%3E%3Ccircle cx='2.5' cy='9.5' r='1'/%3E%3Ccircle cx='4.5' cy='9.5' r='1'/%3E%3Ccircle cx='6.5' cy='9.5' r='1'/%3E%3Ccircle cx='8.5' cy='9.5' r='1'/%3E%3Ccircle cx='2.5' cy='11.5' r='1'/%3E%3Ccircle cx='4.5' cy='11.5' r='1'/%3E%3Ccircle cx='6.5' cy='11.5' r='1'/%3E%3Ccircle cx='8.5' cy='11.5' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Dark mode font status indicator */
[data-theme="dark"] #font-status-indicator {
  background: var(--surface-color);
  color: var(--body-text);
  border-color: var(--sidebar-border);
  box-shadow: 0 4px 12px rgba(179, 219, 210, 0.1), 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] #font-status-indicator.loading {
  background: var(--warning-color);
  color: var(--body-bg);
  border-color: var(--warning-color);
  box-shadow: 0 4px 12px rgba(252, 188, 77, 0.25),
    0 0 20px rgba(252, 188, 77, 0.3);
}

[data-theme="dark"] #font-status-indicator.ready {
  background: var(--success-color);
  color: var(--body-bg);
  border-color: var(--success-color);
  box-shadow: 0 4px 12px rgba(74, 222, 128, 0.25),
    0 0 20px rgba(74, 222, 128, 0.3);
}

[data-theme="dark"] #font-status-indicator.error {
  background: var(--error-color);
  color: var(--body-bg);
  border-color: var(--error-color);
  box-shadow: 0 4px 12px rgba(248, 113, 113, 0.25),
    0 0 20px rgba(248, 113, 113, 0.3);
}

/* ===== RESPONSIVE DESIGN ===== */

/* Large screens - side-by-side layout */
@media (min-width: 1200px) {
  .status-bar {
    padding: 1rem 2rem;
    gap: 2rem;
    align-items: center; /* Center align on large screens */
  }

  .status-bar .status-indicator {
    min-width: 320px;
  }

  .status-bar .examples-fieldset {
    min-width: 350px;
  }

  .status-text {
    max-width: 225px;
  }

  .controls {
    padding: 1rem 2rem;
  }

  header {
    padding: 1rem 2rem;
  }

  .control-group {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Medium screens - maintain three-column but with tighter spacing */
@media (min-width: 969px) and (max-width: 1199px) {
  .status-bar {
    gap: 1rem;
  }

  .status-bar .status-indicator {
    min-width: 260px;
  }

  .status-bar .examples-fieldset {
    min-width: 280px;
    padding: 0.75rem;
  }

  .status-bar .examples-legend {
    font-size: 0.85rem;
    padding: 0.35rem 0.7rem;
  }
}

/* Tablet layout - stack export controls and examples */
@media (min-width: 769px) and (max-width: 968px) {
  .status-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .status-bar .status-indicator {
    order: 1;
    align-self: flex-start;
    min-width: 300px;
  }

  .status-bar .control-group {
    order: 2;
    flex-direction: row;
    justify-content: center;
  }

  .status-bar .examples-fieldset {
    order: 3;
    min-width: auto;
    max-width: none;
  }

  .workspace {
    flex-direction: column;
  }

  .input-panel {
    border-right: none;
    border-bottom: 1px solid var(--body-text);
  }

  .panel {
    min-height: 200px;
  }
}

/* Mobile layout - full stack */
@media (max-width: 768px) {
  .workspace {
    flex-direction: column;
  }

  .input-panel {
    border-right: none;
    border-bottom: 1px solid var(--body-text);
  }

  .panel {
    min-height: 200px;
  }

  header {
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }

  .theme-toggle {
    align-self: center;
  }

  .status-bar {
    padding: 0.75rem 1rem;
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
    min-height: auto;
  }

  .status-bar .status-indicator {
    order: 1;
    min-width: auto;
    width: 100%;
  }

  .status-bar .control-group {
    order: 2;
    align-items: stretch;
  }

  .status-bar .export-controls {
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
  }

  .status-bar .export-btn,
  .status-bar .scorm-export-btn {
    min-width: auto;
    width: 100%;
    max-width: none;
  }

  .status-bar .examples-fieldset {
    order: 3;
    padding: 1rem;
    min-width: auto;
    max-width: none;
  }

  .status-bar .examples-container {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .status-bar .example-select {
    min-width: auto;
    width: 100%;
  }

  .status-bar .random-example-btn {
    width: 100%;
    justify-content: center;
  }

  .status-content {
    gap: 0.375rem;
  }

  .status-text {
    font-size: 0.8rem;
  }

  .controls {
    padding: 1rem;
  }

  input[type="text"] {
    min-width: 200px;
  }

  .control-group {
    flex-direction: column;
    align-items: stretch;
  }

  .export-controls {
    justify-content: center;
    width: 100%;
  }

  .export-btn {
    min-width: auto;
    width: 100%;
    max-width: 280px;
  }

  .export-btn-content {
    padding: 0.75rem 1rem;
  }

  .export-btn-text {
    font-size: 0.8rem;
  }

  .export-btn-subtitle {
    font-size: 0.7rem;
  }

  .scorm-export-btn {
    min-width: auto;
    width: 100%;
    max-width: 280px;
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .scorm-export-btn-content {
    padding: 0.75rem 1rem;
  }

  .scorm-export-btn-text {
    font-size: 0.8rem;
  }

  .scorm-export-btn-subtitle {
    font-size: 0.7rem;
  }

  #font-status-indicator {
    top: 5px;
    right: 5px;
    font-size: 11px;
    padding: 6px 10px;
    min-width: 140px;
  }

  .status-text {
    font-size: 11px;
  }

  .status-icon {
    font-size: 12px;
    min-width: 14px;
  }

  .status-icon svg {
    width: 14px;
    height: 14px;
  }
}

@media (min-width: 1600px) {
  .panel-content {
    font-size: 0.9rem;
  }

  textarea {
    font-size: 0.9rem;
  }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */

/* Focus management for status bar elements */
.status-bar *:focus-visible {
  outline: 3px solid var(--focus-outline);
  outline-offset: 2px;
  z-index: 10;
  position: relative;
}

/* Ensure proper spacing is maintained during focus */
.status-bar:focus-within {
  z-index: 1;
}

#font-status-indicator:focus-visible {
  outline: 3px solid var(--focus-outline);
  outline-offset: 2px;
}

/* ===== HIGH CONTRAST MODE SUPPORT ===== */
@media (prefers-contrast: high) {
  :root {
    --sidebar-border: #000000;
    --body-text: #000000;
    --body-bg: #ffffff;
    --focus-outline: #0000ff;
  }

  [data-theme="dark"] {
    --sidebar-border: #ffffff;
    --body-text: #ffffff;
    --body-bg: #000000;
    --focus-outline: #00ffff;
  }

  .theme-toggle,
  .random-example-btn,
  .export-btn,
  .scorm-export-btn {
    border-width: 3px;
    font-weight: 700;
  }

  .status-progress {
    border: 2px solid currentColor;
  }

  .status-bar .status-indicator,
  .status-bar .examples-fieldset {
    border-width: 3px;
  }

  .status-bar .examples-legend {
    border-width: 2px;
    font-weight: 700;
  }

  #font-status-indicator {
    border-width: 2px;
  }

  #font-status-indicator.loading {
    border-color: orange;
  }

  #font-status-indicator.ready {
    border-color: green;
  }

  #font-status-indicator.error {
    border-color: red;
  }
}

/* ===== REDUCED MOTION SUPPORT ===== */
@media (prefers-reduced-motion: reduce) {
  .status-dot.loading,
  .spinning,
  .spinner,
  .status-icon.loading,
  .status-progress-bar::after {
    animation: none;
  }

  .theme-toggle:hover .theme-toggle-icon {
    transform: none;
  }

  .theme-toggle:hover,
  .status-indicator:hover,
  .export-btn:hover,
  .export-btn:active,
  .export-btn:hover .icon,
  .random-example-btn:hover,
  .random-example-btn:active,
  .scorm-export-btn:hover,
  .scorm-export-btn:active,
  .scorm-export-btn:hover .icon {
    transform: none;
  }

  .export-btn::before,
  .scorm-export-btn::before {
    display: none;
  }

  .status-bar .status-indicator,
  .status-bar .examples-fieldset,
  .status-bar .examples-legend {
    transition: none;
  }

  .status-bar .examples-fieldset:hover {
    transform: none;
  }

  #font-status-indicator {
    transition: opacity 0.3s ease;
    animation: none;
  }

  #font-status-indicator.loading {
    animation: none;
  }

  * {
    transition: none !important;
  }
}

[data-theme="dark"] header {
  background-color: var(--body-bg);
  color: var(--heading-color);
  border-bottom: 1px solid var(--link-color);
}

[data-theme="dark"] .export-btn {
  background: var(--body-bg);
  box-shadow: 0 4px 12px rgba(60, 186, 198, 0.25);
  color: var(--heading-color);
  border: 1px solid var(--heading-color);
}

[data-theme="dark"] .export-btn:hover {
  background: var(--body-bg);
  box-shadow: 0 4px 12px rgba(60, 186, 198, 0.25);
  color: var(--link-color);
  border: 1px solid var(--body-text);
}

[data-theme="dark"] .export-btn:disabled {
  background: var(--body-bg);
  box-shadow: 0 4px 12px rgba(15, 15, 15, 0.25);
  color: var(--text-secondary);
  border: 0px solid var(--body-text);
}

[data-theme="dark"] .scorm-export-btn {
  background: var(--body-bg);
  box-shadow: 0 4px 12px rgba(15, 15, 15, 0.25);
  color: var(--warning-color);
  border: 1px solid var(--warning-color);
}

[data-theme="dark"] .scorm-export-btn:disabled {
  background: var(--body-bg);
  box-shadow: 0 4px 12px rgba(18, 17, 17, 0.25);
  color: var(--text-secondary);
  border: 0px solid var(--body-text);
}

[data-theme="dark"] .scorm-export-btn:hover {
  background: var(--body-bg);
  box-shadow: 0 4px 12px rgba(74, 222, 128, 0.25);
  color: var(--success-color);
  border: 1px solid var(--body-text);
}

[data-theme="dark"] .examples-fieldset {
  background: var(--sidebar-bg);
  border-color: var(--body-text);
  box-shadow: 0 4px 12px rgba(179, 219, 210, 0.1);
}

[data-theme="dark"] .examples-legend {
  background: var(--sidebar-bg);
  border-color: var(--body-text);
  box-shadow: 0 4px 12px rgba(179, 219, 210, 0.1);
}

[data-theme="dark"] .theme-toggle {
  border-color: var(--body-text);
}

/* ===== INVESTIGATION DETAILS/SUMMARY STYLING ===== */

/* Details container */
.investigation-controls-details {
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px var(--sidebar-shadow);
}

/* Summary header styling */
.investigation-summary {
  list-style: none !important; /* Remove default triangle */
  position: relative;
}

/* Remove default disclosure triangle across browsers */
.investigation-summary::-webkit-details-marker {
  display: none;
}

.investigation-summary::marker {
  display: none;
}

/* Summary hover states */
.investigation-summary:hover {
  background: var(--focus-bg) !important;
  color: var(--link-color) !important;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px var(--sidebar-shadow);
}

/* Summary focus states */
.investigation-summary:focus {
  outline: none;
}

.investigation-summary:focus-visible {
  outline: 3px solid var(--focus-outline) !important;
  outline-offset: 2px !important;
  background: var(--focus-bg) !important;
  color: var(--link-color) !important;
  box-shadow: 0 0 0 4px rgba(0, 46, 59, 0.1);
}

/* Remove focus for mouse users */
.investigation-summary:focus:not(:focus-visible) {
  outline: none !important;
  box-shadow: none;
}

/* Active state for immediate feedback */
.investigation-summary:active {
  transform: translateY(0) !important;
  background: var(--link-color) !important;
  color: var(--body-bg) !important;
}

/* Chevron rotation when expanded */
.investigation-controls-details[open] .investigation-chevron {
  transform: rotate(180deg) !important;
}

/* Enhanced expanded state styling */
.investigation-controls-details[open] {
  border-color: var(--link-color);
  box-shadow: 0 4px 16px var(--sidebar-shadow);
}

.investigation-controls-details[open] .investigation-summary {
  border-bottom: 1px solid var(--sidebar-border);
  background: var(--body-bg) !important;
}

/* Content area styling */
.investigation-content {
  background: var(--surface-color);
  animation: fadeInContent 0.3s ease-out;
}

/* Animation for content reveal */
@keyframes fadeInContent {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .investigation-controls-details,
  .investigation-summary,
  .investigation-chevron,
  .investigation-content {
    transition: none !important;
    animation: none !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .investigation-controls-details {
    border-width: 3px;
  }

  .investigation-summary:focus-visible {
    outline-width: 4px;
  }
}

/* Dark theme specific enhancements */
[data-theme="dark"] .investigation-controls-details {
  box-shadow: 0 2px 8px rgba(179, 219, 210, 0.1);
}

[data-theme="dark"] .investigation-controls-details[open] {
  box-shadow: 0 4px 16px rgba(179, 219, 210, 0.15);
}

[data-theme="dark"] .investigation-summary:hover {
  background: rgba(60, 186, 198, 0.1) !important;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .investigation-controls-details {
    margin-top: 1rem;
    border-radius: 6px;
  }

  .investigation-summary {
    padding: 0.75rem !important;
    font-size: 0.9rem;
  }

  .investigation-content {
    padding: 0 0.75rem 0.75rem 0.75rem !important;
    margin-left: 0 !important;
  }
}

/* Print styles */
@media print {
  .investigation-controls-details {
    border: 1px solid #000;
    box-shadow: none;
  }

  .investigation-controls-details[open] .investigation-content {
    animation: none;
  }
}

#title-block-header {
  margin-bottom: 1rem;
  display: block;
}

/* ===== HEADER STYLING ===== */
header {
  background-color: var(--link-color);
  color: var(--body-bg);
  padding: 1rem;
  box-shadow: 0 2px 4px var(--sidebar-shadow);
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
}

.header-content {
  flex: 1;
}

h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: inherit;
}

.subtitle {
  margin: 0.25rem 0 0 0;
  font-size: 0.875rem;
  opacity: 0.9;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ===== PRIVACY BADGE SVG STYLING ===== */
.privacy-badge {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--body-bg);
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
  transition: all var(--transition-base);
}

/* Privacy badge hover effect for enhanced visual feedback */
.subtitle:hover .privacy-badge {
  transform: scale(1.1);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* Dark mode privacy badge styling */
[data-theme="dark"] .privacy-badge {
  color: var(--body-text);
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.4));
}

[data-theme="dark"] .subtitle:hover .privacy-badge {
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.6));
}

/* Accessibility: Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  .privacy-badge {
    transition: none;
  }

  .subtitle:hover .privacy-badge {
    transform: none;
  }
}
[data-theme="dark"] .status-indicator {
  background: var(--surface-color);
  box-shadow: 0 2px 8px rgba(179, 219, 210, 0.1);
  border: 1px solid var(--text-secondary);
}
[data-theme="dark"] .status-icon-container {
  background: linear-gradient(135deg, var(--sidebar-bg), var(--surface-color));
  border-color: var(--sidebar-border);
  border: 2px dotted var(--body-text);
}
/* ===== MATHEMATICAL ENVIRONMENTS CONSISTENCY FIX ===== */
/* Ensure all mathematical environment numbers are consistently bold */

/* Target definition environments - already working correctly */
.definition p strong {
  font-weight: 700 !important;
}

/* Target example environments - fix the number outside strong tag */
.example p em strong + * {
  font-weight: 700 !important;
}

/* More specific fix for examples with number after the strong tag */
.example p em {
  font-weight: normal !important;
}

.example p em strong {
  font-weight: 700 !important;
}

/* Fix for content immediately following the strong tag in examples */
.example p em strong:first-child {
  font-weight: 700 !important;
}

/* Target exercise environments - fix the number outside strong tag */
.exercise p em strong + * {
  font-weight: 700 !important;
}

.exercise p em {
  font-weight: normal !important;
}

.exercise p em strong {
  font-weight: 700 !important;
}

/* Universal fix approach - target all mathematical environments */
.definition p,
.theorem p,
.lemma p,
.corollary p,
.proposition p,
.example p,
.exercise p,
.proof p {
  font-weight: normal;
}

/* Ensure the environment name is always bold */
.definition p strong:first-child,
.theorem p strong:first-child,
.lemma p strong:first-child,
.corollary p strong:first-child,
.proposition p strong:first-child,
.example p em strong:first-child,
.exercise p em strong:first-child,
.proof p strong:first-child {
  font-weight: 700 !important;
}

/* Fix for numbers appearing outside the strong tag */
.example p em strong:first-child::after,
.exercise p em strong:first-child::after {
  font-weight: 700 !important;
}

/* Alternative approach: target the specific pattern directly */
.example p em,
.exercise p em {
  font-weight: 700 !important;
}

.example p em *:not(strong),
.exercise p em *:not(strong) {
  font-weight: 700 !important;
}

/* Specific fix for the pattern <em><strong>Word</strong> Number</em> */
.example p em:first-child,
.exercise p em:first-child {
  font-weight: 700 !important;
}

/* ===== COMPREHENSIVE LINK STYLING - WCAG 2.2 AA COMPLIANT ===== */

/* Base link styling for all links */
a {
  color: var(--link-color);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--link-hover);
  text-decoration-thickness: 2px;
}

a:focus-visible {
  outline: 3px solid var(--focus-outline);
  outline-offset: 2px;
  background-color: var(--focus-bg);
  border-radius: 2px;
}

a:active {
  color: var(--link-hover);
  transform: translateY(1px);
}

/* Visited links - slightly muted but still accessible */
a:visited {
  color: var(--text-secondary);
}

a:visited:hover {
  color: var(--link-color);
}

/* ===== OUTPUT CONTENT LINKS - ENHANCED STYLING ===== */

/* Links within converted document content */
#output a,
.output-content a {
  color: var(--link-color);
  text-decoration: underline;
  text-decoration-color: var(--link-color);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: all 0.2s ease;
  border-radius: 2px;
  padding: 0 2px;
}

#output a:hover,
.output-content a:hover {
  color: var(--link-hover);
  text-decoration-color: var(--link-hover);
  text-decoration-thickness: 2px;
  background-color: var(--focus-bg);
  transform: none; /* Disable transform for document content */
}

#output a:focus-visible,
.output-content a:focus-visible {
  outline: 3px solid var(--focus-outline);
  outline-offset: 2px;
  background-color: var(--focus-bg);
  text-decoration: none;
}

#output a:active,
.output-content a:active {
  color: var(--link-hover);
  background-color: var(--focus-bg);
  transform: none;
}

/* ===== CROSS-REFERENCE LINKS - SPECIAL STYLING ===== */

/* Links generated by cross-reference fixer */
a[data-reference-type="ref"] {
  color: var(--link-color);
  text-decoration: underline;
  text-decoration-style: dashed;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  font-weight: 500;
  padding: 1px 3px;
  border-radius: 3px;
  background-color: rgba(0, 46, 59, 0.05);
  transition: all 0.2s ease;
}

a[data-reference-type="ref"]:hover {
  color: var(--link-hover);
  text-decoration-style: solid;
  text-decoration-thickness: 2px;
  background-color: var(--focus-bg);
  box-shadow: 0 1px 3px rgba(0, 46, 59, 0.1);
}

a[data-reference-type="ref"]:focus-visible {
  outline: 3px solid var(--focus-outline);
  outline-offset: 2px;
  background-color: var(--focus-bg);
  text-decoration: none;
}

/* ===== DARK MODE LINK ENHANCEMENTS ===== */

[data-theme="dark"] a {
  color: var(--link-color);
}

[data-theme="dark"] a:hover {
  color: var(--link-hover);
}

[data-theme="dark"] a:visited {
  color: var(--text-secondary);
}

[data-theme="dark"] a:visited:hover {
  color: var(--link-color);
}

/* Dark mode output content links */
[data-theme="dark"] #output a,
[data-theme="dark"] .output-content a {
  color: var(--link-color);
  text-decoration-color: var(--link-color);
}

[data-theme="dark"] #output a:hover,
[data-theme="dark"] .output-content a:hover {
  color: var(--link-hover);
  text-decoration-color: var(--link-hover);
  background-color: rgba(60, 186, 198, 0.1);
}

[data-theme="dark"] #output a:focus-visible,
[data-theme="dark"] .output-content a:focus-visible {
  background-color: rgba(60, 186, 198, 0.1);
}

/* Dark mode cross-reference links */
[data-theme="dark"] a[data-reference-type="ref"] {
  color: var(--link-color);
  background-color: rgba(60, 186, 198, 0.08);
}

[data-theme="dark"] a[data-reference-type="ref"]:hover {
  color: var(--link-hover);
  background-color: rgba(60, 186, 198, 0.15);
  box-shadow: 0 1px 3px rgba(60, 186, 198, 0.2);
}

/* ===== HIGH CONTRAST MODE - ENHANCED LINK SUPPORT ===== */

@media (prefers-contrast: high) {
  a,
  #output a,
  .output-content a {
    text-decoration-thickness: 2px;
    font-weight: 600;
    border: 1px solid transparent;
  }

  a:hover,
  #output a:hover,
  .output-content a:hover {
    border-color: currentColor;
    text-decoration-thickness: 3px;
  }

  a:focus-visible,
  #output a:focus-visible,
  .output-content a:focus-visible {
    outline-width: 4px;
    border: 2px solid var(--focus-outline);
  }

  a[data-reference-type="ref"] {
    border: 1px solid var(--link-color);
    text-decoration-thickness: 2px;
  }

  a[data-reference-type="ref"]:hover {
    border-width: 2px;
    text-decoration-thickness: 3px;
  }
}

/* ===== REDUCED MOTION - LINK ACCESSIBILITY ===== */

@media (prefers-reduced-motion: reduce) {
  a,
  #output a,
  .output-content a,
  a[data-reference-type="ref"] {
    transition: none;
  }

  a:hover,
  #output a:hover,
  .output-content a:hover,
  a[data-reference-type="ref"]:hover {
    transform: none;
  }
}

#investigation-details {
  display: none;
}