/* Shared styled tooltip for the whole exhibit app — one chip, reused on every page.
   Replaces the OS-default title tooltip. Matches the app's dark theme (hard-coded so it
   looks identical regardless of which page's CSS vars are in scope). */
#oatt{
  position:fixed; z-index:4000; pointer-events:none;
  max-width:300px; padding:6px 9px;
  background:#161a21; color:#e4e8ef;
  border:1px solid #4c586b; border-radius:6px;
  font:500 16px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  letter-spacing:.1px;
  box-shadow:0 8px 24px rgba(0,0,0,.45);
  white-space:normal; word-break:break-word;
  opacity:0; transform:translateY(2px);
  transition:opacity .12s ease, transform .12s ease;
}
#oatt.on{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){ #oatt{ transition:none; } }