/* BL Accessibility (self-hosted, no third-party) */
:root{
  --bl-a11y-bottom: 16px;
  --bl-a11y-left: 16px;
  --bl-a11y-z: 2147483000;
  --bl-a11y-btn: 52px;
  --bl-a11y-radius: 14px;
  --bl-a11y-border: rgba(0,0,0,.18);
  --bl-a11y-shadow: 0 12px 28px rgba(0,0,0,.18);
  --bl-a11y-bg: #ffffff;
  --bl-a11y-fg: #111111;
}

/* Floating button */
.bl-a11y-btn{
  position: fixed;
  left: var(--bl-a11y-left);
  bottom: var(--bl-a11y-bottom);
  width: var(--bl-a11y-btn);
  height: var(--bl-a11y-btn);
  border-radius: 999px;
  border: 1px solid var(--bl-a11y-border);
  box-shadow: var(--bl-a11y-shadow);
  background: var(--bl-a11y-bg);
  color: var(--bl-a11y-fg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: var(--bl-a11y-z);
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.bl-a11y-btn:focus-visible{
  outline: 3px solid rgba(0,0,0,.35);
  outline-offset: 3px;
}
.bl-a11y-btn .bl-a11y-icon{
  font-size: 22px;
  line-height: 1;
}

/* Panel */
.bl-a11y-panel{
  position: fixed;
  left: var(--bl-a11y-left);
  bottom: calc(var(--bl-a11y-bottom) + var(--bl-a11y-btn) + 12px);
  width: min(320px, calc(100vw - 32px));
  max-height: min(70vh, 520px);
  overflow: auto;
  border-radius: var(--bl-a11y-radius);
  border: 1px solid var(--bl-a11y-border);
  box-shadow: var(--bl-a11y-shadow);
  background: var(--bl-a11y-bg);
  color: var(--bl-a11y-fg);
  z-index: calc(var(--bl-a11y-z) + 1);
  padding: 14px;
  display: none;
}
.bl-a11y-panel[aria-hidden="false"]{ display: block; }

.bl-a11y-title{
  font-weight: 700;
  font-size: 16px;
  margin: 2px 0 10px;
}
.bl-a11y-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 10px 0;
}
.bl-a11y-row label{
  font-size: 14px;
  margin: 0;
}
.bl-a11y-actions{
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.bl-a11y-chip{
  border: 1px solid var(--bl-a11y-border);
  background: #f7f7f7;
  color: #111;
  border-radius: 999px;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
}
.bl-a11y-chip[aria-pressed="true"]{
  background: #111;
  color: #fff;
}
.bl-a11y-divider{
  height: 1px;
  background: rgba(0,0,0,.10);
  margin: 12px 0;
}
.bl-a11y-hint{
  font-size: 12px;
  opacity: .75;
  margin-top: 10px;
}

/* Accessibility effects (applied to <html>) */
html.bl-a11y-grayscale{ filter: grayscale(1); }
html.bl-a11y-high-contrast{ filter: contrast(1.25); }
html.bl-a11y-readable-font body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif !important;
  line-height: 1.6;
}
html.bl-a11y-underline-links a{ text-decoration: underline !important; }
html.bl-a11y-highlight-links a{
  outline: 2px solid currentColor;
  outline-offset: 2px;
  border-radius: 4px;
  background: rgba(255, 235, 59, 0.28);
}

html.bl-a11y-reduce-motion *,
html.bl-a11y-reduce-motion *::before,
html.bl-a11y-reduce-motion *::after{
  animation: none !important;
  transition: none !important;
  scroll-behavior: auto !important;
}
