html.page-initializing::before{content:"";position:fixed;inset:0 0 auto;height:3px;z-index:9999;pointer-events:none;background:linear-gradient(90deg,transparent,var(--accent,#554bcc),transparent);background-size:45% 100%;background-repeat:no-repeat;animation:page-initializing 1.4s ease-in-out infinite} @keyframes page-initializing{from{background-position:-80% 0}to{background-position:180% 0}} @media(prefers-reduced-motion:reduce){html.page-initializing::before{animation:none;background:var(--accent,#554bcc);opacity:.55}}