[hidden] { display:none !important; }
:focus-visible { outline:3px solid var(--accent); outline-offset:4px; }
.skip-link { position:fixed; top:0; left:1rem; transform:translateY(-150%); background:var(--surface); padding:1rem; z-index:200; }
.skip-link:focus { transform:none; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
@media(prefers-reduced-motion:no-preference) { html[data-enhanced] { scroll-behavior:smooth; } }
@media(prefers-reduced-motion:reduce) { *,*::before,*::after { animation:none !important; transition:none !important; scroll-behavior:auto !important; } }
@media(max-width:40rem) { dialog { padding:1.2rem; } }