/* A small, fixed black curtain: no layout shifts or scroll interception. */
html::after{content:"";position:fixed;inset:0;z-index:2147483647;background:#000;opacity:0;pointer-events:none;transition:opacity .36s cubic-bezier(.2,.65,.3,1)}
html[data-page-transition="enter"]::after{opacity:1;transition:none}
html[data-page-transition="leave"]::after{opacity:1;pointer-events:auto;transition:opacity .2s ease-in}
@media(prefers-reduced-motion:reduce){html::after{display:none;transition:none}}