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var(--page);position:sticky;inset-block-start:0;z-index:30;display:flex;align-items:center;justify-content:space-between;max-inline-size:var(--frame-max-width);margin-inline:auto;padding-block:var(--space-xs);padding-inline:var(--grid-gutter);font-family:var(--font-v12-sans);header-backdrop{position:absolute;inset-block-start:0;inset-inline-start:calc(50% - 50vw);z-index:-2;display:block;inline-size:100vw;block-size:100%;pointer-events:none;background:var(--header-fade-color);&:after{content:"";position:absolute;inset-block-start:100%;inset-inline:0;block-size:var(--space-xl);background:linear-gradient(to bottom,var(--header-fade-color),transparent)}}@media(width>=64rem){page-grid[data-sidebar] &:before{content:"";position:absolute;inset-block:0;inset-inline-start:calc(50% - 50vw);z-index:-1;inline-size:calc(var(--frame-edge) + var(--sidebar-nav-width));background-color:var(--raised)}page-grid[data-sidebar] &:after{content:"";position:absolute;inset-block-start:100%;inset-inline-start:calc(50% - 50vw);z-index:-1;inline-size:calc(var(--frame-edge) + var(--sidebar-nav-width));block-size:var(--space-m);pointer-events:none;background:linear-gradient(to bottom,var(--raised),transparent)}}@media(width<64rem){page-grid[data-header-surface] &{--header-fade-color: var(--mauve-4);header-backdrop:after{inset-block-start:calc(100% + var(--bar-toc-height))}}page-grid[data-header-surface]:has(page-toc input:checked) & header-backdrop[data-astro-cid-4lunwx2e]:after{display:none}}[data-site-brand]{display:inline-flex;align-items:center;flex-shrink:0;color:var(--foreground);text-decoration-line:none;[data-svg-mask]{aspect-ratio:816 / 336;block-size:2.25rem;inline-size:auto;@media(width<24rem){block-size:1.875rem}}}header-actions{display:flex;align-items:center;flex-shrink:0;gap:var(--space-3xs);search-control{position:relative;display:inline-flex;[data-header-tip]{position:absolute;inset-block-start:100%;inset-inline-end:0;z-index:var(--z-index-overlay);display:none;gap:var(--space-3xs);align-items:center;padding:var(--space-3xs) var(--space-2xs);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--background);color:var(--foreground);font-size:var(--step--1);white-space:nowrap;kbd{font-family:var(--font-mono);font-size:.75em}}&:not([data-dismissed]):is(:hover,:has(:focus-visible)) [data-astro-cid-4lunwx2e][data-header-tip]{display:flex}}[data-header-search]{display:inline-flex;align-items:center;justify-content:center;inline-size:1.5rem;block-size:1.5rem;border-radius:var(--radius-md);color:var(--muted-foreground);cursor:pointer;&:hover{background:var(--raised);color:var(--foreground)}svg{inline-size:1rem;block-size:1rem}}[data-header-pill]{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-3xs);padding:var(--space-3xs) var(--space-xs);border-radius:var(--radius-full);background-color:color-mix(in oklab,var(--raised) 55%,transparent);color:var(--foreground);font-size:var(--step--1);text-decoration-line:none;transition:background-color var(--motion-duration-feedback) var(--motion-ease-out-quart);&:hover{background-color:var(--raised)}&[data-solid]{background-color:var(--foreground);color:var(--page, var(--background));&:hover{background-color:color-mix(in oklab,var(--foreground) 85%,var(--page, var(--background)))}}&:before{content:"";position:absolute;inset-block-start:50%;inset-inline:0;block-size:2.75rem;transform:translateY(-50%)}}}}