/* Responsive colours */
@media (max-width: 768px) {
  .pdf-vis-stats-panel {
    border-left: none;
    border-top: 1px solid currentcolor;
  }
}

/* Print colours */
@media print {
  .pdf-vis-container {
    border: none;
    box-shadow: none;
  }
}

/* =============================================================================
   ALL LAYOUT & STRUCTURE - DEFINED SECOND
   ============================================================================= */

.pdf-vis-control-btn button,
.pdf-vis-page-nav button,
.pdf-vis-control-group button {
  font-size: 0.8rem;
}

.confidence-visualiser-error {
  margin: 1rem;
}

/* Full page view toggle - combined selector for higher specificity */
.pdf-vis-viewer.pdf-vis-viewer--fullpage {
  max-height: fit-content;
}

/* Main container layout */
.pdf-vis-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  border-radius: 0.5rem;
  overflow: hidden;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
}

/* Controls bar layout */
.pdf-vis-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
}

.pdf-vis-control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Navigation and control buttons layout */

/* Page indicator layout */
.pdf-vis-page-indicator {
  font-size: 0.875rem;
  padding: 0 0.5rem;
  min-width: 8ch;
  text-align: center;
}

/* Toggle switches layout */
.pdf-vis-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  font-size: 0.875rem;
  user-select: none;
}

.pdf-vis-toggle input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

/* Viewer area layout */
.pdf-vis-viewer {
  display: flex;
  flex: 1;
  min-height: 400px;
  max-height: 70vh;
  overflow: hidden;
}

/* Canvas wrapper layout - scrollable container with centering */
.pdf-vis-canvas-wrapper {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 1rem;
}

/* Page wrapper - sizes to PDF canvas, provides positioning context for overlays
   CRITICAL: Uses inline-block so it sizes to content (the PDF canvas)
   This allows offsetLeft/offsetTop calculations to work correctly for toggletips */
.pdf-vis-page-wrapper {
  position: relative;
  display: inline-block;
  box-shadow: 0 4px 12px rgba(0, 19, 29, 0.15);
}

/* PDF canvas layout */
.pdf-vis-pdf-canvas {
  display: block;
}

/* Overlay canvas layout - positioned relative to page-wrapper
   CRITICAL: Uses top: 0; left: 0 positioning - no transforms or offsets
   This ensures toggletip regions align exactly with visual overlay boxes */
.pdf-vis-overlay-canvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

/* Interactive state - applied to page-wrapper to enable pointer events on overlay */
.pdf-vis-page-wrapper.pdf-vis-interactive .pdf-vis-overlay-canvas {
  pointer-events: auto;
  cursor: crosshair;
}

/* Statistics panel layout */
.pdf-vis-stats-panel {
  width: 280px;
  min-width: 250px;
  max-width: 320px;
  padding: 1rem;
  overflow-y: auto;
}

.pdf-vis-stats-panel h3 {
  margin: 0 0 1rem 0;
  font-size: 1rem;
  font-weight: 600;
}

.pdf-vis-stats-panel h4 {
  margin: 1rem 0 0.5rem 0;
  font-size: 0.875rem;
  font-weight: 600;
}

/* Summary statistics layout */
.pdf-vis-stats-summary {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: 1rem;
}

.pdf-vis-stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.pdf-vis-stat-value {
  font-weight: 600;
}

/* Legend layout */
.pdf-vis-legend {
  padding: 0.5rem 0;
}

.pdf-vis-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0;
  font-size: 0.8125rem;
}

.pdf-vis-legend-swatch {
  width: 1rem;
  height: 1rem;
  border-width: 2px;
  border-style: solid;
  border-radius: 0.25rem;
  flex-shrink: 0;
}

.pdf-vis-legend-label {
  flex: 1;
}

.pdf-vis-legend-count {
  font-size: 0.75rem;
}

/* Breakdown / distribution layout */
.pdf-vis-stats-breakdown {
  padding-top: 0.5rem;
}

.pdf-vis-breakdown-item {
  position: relative;
  margin-bottom: 0.5rem;
}

.pdf-vis-breakdown-bar {
  display: block;
  height: 0.5rem;
  border-radius: 0.25rem;
  margin-bottom: 0.25rem;
  transition: width 150ms ease-in-out;
}

.pdf-vis-breakdown-bar.pdf-vis-confidence--high,
.pdf-vis-breakdown-bar.pdf-vis-confidence--medium,
.pdf-vis-breakdown-bar.pdf-vis-confidence--low,
.pdf-vis-breakdown-bar.pdf-vis-confidence--very-low {
  border: 1px solid;
}

.pdf-vis-breakdown-label {
  font-size: 0.75rem;
}

/* Loading overlay layout */
.pdf-vis--loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 100;
}

.pdf-vis--loading[hidden] {
  display: none;
}

.pdf-vis-loading-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  animation: pdf-vis-spin 1s linear infinite;
}

@keyframes pdf-vis-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Error state layout */
.pdf-vis--error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.pdf-vis--error::before {
  content: "⚠️";
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .pdf-vis-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .pdf-vis-control-group {
    justify-content: center;
  }

  .pdf-vis-viewer {
    flex-direction: column;
  }

  .pdf-vis-stats-panel {
    width: 100%;
    max-width: none;
    max-height: 200px;
  }

  .pdf-vis-viewer {
    max-height: fit-content;
  }
}

@media (max-width: 480px) {
  .pdf-vis-nav-btn span[aria-hidden],
  .pdf-vis-control-btn span[aria-hidden] {
    display: none;
  }

  .pdf-vis-toggle-label {
    font-size: 0.75rem;
  }
}

/* Print styles */
@media print {
  .pdf-vis-controls,
  .pdf-vis-stats-panel,
  .pdf-vis--loading {
    display: none !important;
  }

  .pdf-vis-viewer {
    max-height: none;
    overflow: visible;
  }

  .pdf-vis-canvas-wrapper {
    padding: 0;
    overflow: visible;
  }
}

/* Base swatch styling */
.pdf-vis-legend-swatch {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 3px;
  border: 2px solid;
  flex-shrink: 0;
}

/* Legend item layout */
.pdf-vis-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
}

/* Legend count badge structure */
.pdf-vis-legend-count {
  padding: 0.125rem 0.375rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  min-width: 1.5rem;
  text-align: center;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .pdf-vis-container,
  .pdf-vis-container * {
    transition: none !important;
    animation: none !important;
  }
}

/* =============================================================================
   FULLSCREEN MODE
   ============================================================================= */

/* Fullscreen container - fixed positioning fills viewport */
.pdf-vis-container.pdf-vis--fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  border-radius: 0;
  display: flex;
  flex-direction: column;
}

/* Fullscreen viewer area - expand to fill available space */
.pdf-vis-container.pdf-vis--fullscreen .pdf-vis-viewer {
  max-height: none;
  height: 100%;
  flex: 1;
}

/* Fullscreen canvas wrapper - more space for PDF */
.pdf-vis-container.pdf-vis--fullscreen .pdf-vis-canvas-wrapper {
  padding: 1.5rem;
}

/* Fullscreen stats panel - slightly larger */
.pdf-vis-container.pdf-vis--fullscreen .pdf-vis-stats-panel {
  max-height: none;
}

/* Fullscreen button styling */
.pdf-vis-fullscreen-icon {
  font-size: 1.125rem;
  line-height: 1;
}

.pdf-vis-fullscreen-text {
  margin-left: 0.25rem;
}

/* Active/pressed state for fullscreen button */
.pdf-vis-control-btn[aria-pressed="true"] {
  font-weight: 600;
}

/* Responsive fullscreen adjustments */
@media (max-width: 768px) {
  .pdf-vis-container.pdf-vis--fullscreen .pdf-vis-viewer {
    flex-direction: column;
  }

  .pdf-vis-container.pdf-vis--fullscreen .pdf-vis-stats-panel {
    width: 100%;
    max-width: none;
    max-height: 180px;
    border-left: none;
    border-top: 1px solid currentcolor;
  }

  .pdf-vis-container.pdf-vis--fullscreen .pdf-vis-canvas-wrapper {
    padding: 0.75rem;
  }
}

/* Print - never show fullscreen state */
@media print {
  .pdf-vis-container.pdf-vis--fullscreen {
    position: static;
    width: auto;
    height: auto;
  }
}

/* =============================================================================
   CONDITIONAL TOGGLE VISIBILITY
   ============================================================================= */

/* Show Full Page toggle - visible in normal mode only */
.pdf-vis-toggle--fullscreen-only {
  display: none;
}

/* In fullscreen mode: hide Show Full Page, show Fit to Screen */
.pdf-vis-container.pdf-vis--fullscreen .pdf-vis-toggle--normal-only {
  display: none;
}

.pdf-vis-container.pdf-vis--fullscreen .pdf-vis-toggle--fullscreen-only {
  display: inline-flex;
}

/* Legend heading styling (dt used as heading in dl) */
.pdf-vis-legend-heading {
  margin: 1rem 0 0.5rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  grid-column: 1 / -1; /* Span full width if using grid */
}

/* Remove colon from dt since we're not using label:value pattern inline */
.pdf-vis-stats-summary dt::after {
  content: none;
}
/* =============================================================================
   SEMANTIC DEFINITION LIST STYLING
   ============================================================================= */

/* Legend heading (first dt in the dl) */
.pdf-vis-legend-heading {
  margin: 1rem 0 0.5rem 0;
  font-size: 0.875rem;
  font-weight: 600;
}

/* Legend item dt contains swatch and label */
.pdf-vis-legend-item dt {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

/* Legend item dd is the count */
.pdf-vis-legend-item dd {
  margin: 0;
}