.site-header{z-index:40;transition:background-color .3s,box-shadow .3s;position:sticky;top:0}.site-header[data-compact=true]{background:color-mix(in srgb, var(--paper,var(--background)) 98%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line,var(--border))}.site-brand,.site-face{transition:opacity .25s,transform .35s cubic-bezier(.34,1.56,.64,1),visibility .35s}.site-header[data-compact=true] .site-brand{opacity:0;visibility:hidden;transform:translateY(-6px)}.site-face{background:var(--surface,var(--card));border:1px solid var(--line,var(--border));cursor:pointer;opacity:0;visibility:hidden;border-radius:9999px;justify-content:center;align-items:flex-start;width:40px;height:40px;margin-top:-20px;padding-top:3px;display:flex;position:absolute;top:50%;left:0;overflow:hidden;transform:scale(.6)rotate(-20deg)}.site-header[data-compact=true] .site-face{opacity:1;visibility:visible;transform:none}.site-header[data-compact=true] .site-face:hover{animation:.6s ease-in-out site-face-nod}@keyframes site-face-nod{30%{transform:rotate(-10deg)}65%{transform:rotate(6deg)}}@media (prefers-reduced-motion:reduce){.site-header,.site-brand,.site-face{transition:none}.site-header[data-compact=true] .site-face:hover{animation:none}}