@layer astro.images{:where([data-astro-image]){height:auto}:where([data-astro-image=full-width]){width:100%}:where([data-astro-image=constrained]){max-width:100%}[data-astro-image-fit=fill]{object-fit:fill}[data-astro-image-fit=contain]{object-fit:contain}[data-astro-image-fit=cover]{object-fit:cover}[data-astro-image-fit=scale-down]{object-fit:scale-down}[data-astro-image-pos=top]{object-position:top}[data-astro-image-pos=bottom]{object-position:bottom}[data-astro-image-pos=left]{object-position:left}[data-astro-image-pos=right]{object-position:right}[data-astro-image-pos=center]{object-position:center}[data-astro-image-pos=top-bottom]{object-position:top bottom}[data-astro-image-pos=top-left]{object-position:top left}[data-astro-image-pos=top-right]{object-position:top right}[data-astro-image-pos=top-center]{object-position:top center}[data-astro-image-pos=bottom-top]{object-position:bottom top}[data-astro-image-pos=bottom-left]{object-position:bottom left}[data-astro-image-pos=bottom-right]{object-position:bottom right}[data-astro-image-pos=bottom-center]{object-position:bottom center}[data-astro-image-pos=left-top]{object-position:left top}[data-astro-image-pos=left-bottom]{object-position:left bottom}[data-astro-image-pos=left-right]{object-position:left right}[data-astro-image-pos=left-center]{object-position:left center}[data-astro-image-pos=right-top]{object-position:right top}[data-astro-image-pos=right-bottom]{object-position:right bottom}[data-astro-image-pos=right-left]{object-position:right left}[data-astro-image-pos=right-center]{object-position:right center}[data-astro-image-pos=center-top]{object-position:center top}[data-astro-image-pos=center-bottom]{object-position:center bottom}[data-astro-image-pos=center-left]{object-position:center left}[data-astro-image-pos=center-right]{object-position:center right}}.theme-toggle[data-astro-cid-l6lhmie6] .moon[data-astro-cid-l6lhmie6],:root[data-theme=dark] .theme-toggle[data-astro-cid-l6lhmie6] .sun[data-astro-cid-l6lhmie6]{display:none}:root[data-theme=dark] .theme-toggle[data-astro-cid-l6lhmie6] .moon[data-astro-cid-l6lhmie6]{display:block}.header-actions[data-astro-cid-nen7h5rs] .label[data-astro-cid-nen7h5rs]{color:var(--ink-muted)}.header-actions[data-astro-cid-nen7h5rs] .label[data-astro-cid-nen7h5rs]:hover{color:var(--accent-hover)}.drawer-gap[data-astro-cid-nen7h5rs]{flex:none;inline-size:30px;display:none}@media (width<=800px){.drawer-gap[data-astro-cid-nen7h5rs]{display:block}}.nav-tree[data-astro-cid-t6fjpl24] summary[data-astro-cid-t6fjpl24]>a[data-astro-cid-t6fjpl24]{min-inline-size:0;color:inherit;font:inherit;border-radius:0;flex:1;padding:0;display:inline}.nav-tree[data-astro-cid-t6fjpl24] summary[data-astro-cid-t6fjpl24]>a[data-astro-cid-t6fjpl24]:hover{color:var(--accent-hover);background:0 0}.nav-tree[data-astro-cid-zhzzu2wd] summary[data-astro-cid-zhzzu2wd]>a[data-astro-cid-zhzzu2wd]{min-inline-size:0;color:inherit;font:inherit;border-radius:0;flex:1;padding:0;display:inline}.nav-tree[data-astro-cid-zhzzu2wd] summary[data-astro-cid-zhzzu2wd]>a[data-astro-cid-zhzzu2wd]:hover{color:var(--accent-hover);background:0 0}:root{--paper:oklch(97.5% .006 60);--surface:oklch(99.4% .004 60);--ink:oklch(24.5% .012 60);--ink-strong:oklch(17% .014 60);--ink-muted:oklch(55% .012 60);--ink-faint:oklch(63% .01 60);--rule:oklch(90.5% .007 60);--rule-strong:oklch(84% .009 60);--accent:oklch(55% .11 70);--accent-hover:oklch(45% .115 70);--accent-ink:oklch(100% 0 0);--soft:oklch(55% .11 70/.11);--mark:oklch(91% .145 96);--mark-ink:oklch(28% .06 80);--focus:oklch(52% .14 70);--scrim:oklch(20% .02 60/.35);--hue-note:70;--hue-tip:165;--hue-success:145;--hue-question:300;--hue-warning:55;--hue-danger:22;--hue-example:288;--hue-quote:250;--callout-chroma:.12;--font-body:var(--font-sans), ui-sans-serif, system-ui, sans-serif;--font-code:var(--font-mono), ui-monospace, SFMono-Regular, monospace;--step-display:2.375rem;--step-title:2.0625rem;--step-index:1.8125rem;--step-section:1.1875rem;--step-lead:1.15625rem;--step-body:1.0625rem;--step-quote:1.03125rem;--step-ui:1rem;--step-small:.96875rem;--step-excerpt:.90625rem;--step-nav:.84375rem;--step-code:.8125rem;--step-meta:.71875rem;--step-label:.625rem;--leading-display:1.15;--leading-title:1.2;--leading-section:1.3;--leading-body:1.72;--leading-ui:1.65;--leading-meta:1.7;--weight-normal:400;--weight-medium:500;--weight-semibold:600;--tracking-label:.1em;--tracking-meta:.06em;--tracking-title:-.025em;--tracking-tight:-.01em;--measure:66ch;--space-3xs:.25rem;--space-2xs:.5rem;--space-xs:.75rem;--space-s:1rem;--space-m:1.5rem;--space-l:2rem;--space-xl:3rem;--space-2xl:3.5rem;--space-3xl:8.75rem;--sidebar-width:250px;--column-width:660px;--rail-width:218px;--rail-gap:3.25rem;--header-height:52px;--radius-xs:3px;--radius-s:4px;--radius-m:5px;--radius-l:7px;--radius-xl:8px;--hairline:1px;--duration-fast:90ms;--duration-base:.17s;--ease:cubic-bezier(.2, 0, .13, 1)}:root[data-theme=dark]{--paper:oklch(19% .008 60);--surface:oklch(23.2% .008 60);--ink:oklch(92% .008 60);--ink-strong:oklch(97% .005 60);--ink-muted:oklch(63.5% .012 60);--ink-faint:oklch(54% .011 60);--rule:oklch(30.5% .008 60);--rule-strong:oklch(38% .01 60);--accent:oklch(79% .1 70);--accent-hover:oklch(88% .085 70);--accent-ink:oklch(17% .02 60);--soft:oklch(79% .1 70/.15);--mark:oklch(52% .12 96);--mark-ink:oklch(97% .02 96);--focus:oklch(80% .12 70);--scrim:oklch(8% .01 60/.55)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--paper:oklch(19% .008 60);--surface:oklch(23.2% .008 60);--ink:oklch(92% .008 60);--ink-strong:oklch(97% .005 60);--ink-muted:oklch(63.5% .012 60);--ink-faint:oklch(54% .011 60);--rule:oklch(30.5% .008 60);--rule-strong:oklch(38% .01 60);--accent:oklch(79% .1 70);--accent-hover:oklch(88% .085 70);--accent-ink:oklch(17% .02 60);--soft:oklch(79% .1 70/.15);--mark:oklch(52% .12 96);--mark-ink:oklch(97% .02 96);--focus:oklch(80% .12 70);--scrim:oklch(8% .01 60/.55)}}:dir(rtl){--tracking-label:normal;--tracking-meta:normal;--tracking-title:normal;--tracking-tight:normal;--leading-display:1.4;--leading-title:1.45;--leading-section:1.5;--leading-body:1.8;--leading-ui:1.75;--leading-meta:1.8}:dir(rtl) :dir(ltr){--tracking-label:.1em;--tracking-meta:.06em;--tracking-title:-.025em;--tracking-tight:-.01em;--leading-display:1.15;--leading-title:1.2;--leading-section:1.3;--leading-body:1.72;--leading-ui:1.65;--leading-meta:1.7}@media (width<=640px){:root{--step-display:2rem;--step-title:1.75rem;--step-index:1.625rem;--step-section:1.125rem;--step-lead:1.0625rem;--step-body:1rem}}@media (prefers-reduced-motion:reduce){:root{--duration-fast:0s;--duration-base:0s}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-block-start:calc(var(--header-height) + var(--space-m))}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:var(--step-ui);line-height:var(--leading-ui);font-synthesis-weight:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0}::selection{background:var(--soft)}*{scrollbar-width:thin;scrollbar-color:var(--rule) transparent}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-thumb{background:var(--rule);border-radius:9px}::-webkit-scrollbar-track{background:0 0}:where(h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ul,ol){margin:0}:where(ul,ol){padding-inline-start:0;list-style:none}:where(a){color:var(--accent);text-decoration:none}:where(a:hover){color:var(--accent-hover)}.prose a,.landing-intro a,.actions a{border-block-end:var(--hairline) solid var(--soft)}.prose a:hover,.landing-intro a:hover,.actions a:hover{border-block-end-color:var(--accent)}.external-link:after{content:"↗";vertical-align:baseline;unicode-bidi:isolate;border:0;margin-inline-start:.15em;font-size:.85em;line-height:1;text-decoration:none;display:inline-block}:where(img,svg,video){block-size:auto;max-inline-size:100%}:where(button,input,select,textarea){font:inherit;color:inherit}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:var(--radius-xs)}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;block-size:1px;inline-size:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;padding:var(--space-2xs) var(--space-s);background:var(--surface);color:var(--ink-strong);border:var(--hairline) solid var(--rule-strong);border-radius:var(--radius-l);position:absolute;inset-block-start:var(--space-2xs);inset-inline-start:var(--space-2xs);transform:translateY(-200%)}.skip-link:focus-visible{transform:none}.label{font-family:var(--font-code);font-size:var(--step-label);line-height:1.4;font-weight:var(--weight-normal);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--ink-muted)}.meta{font-family:var(--font-code);font-size:var(--step-meta);line-height:var(--leading-meta);font-weight:var(--weight-normal);color:var(--ink-muted)}.page{grid-template-columns:var(--sidebar-width) minmax(0, 1fr);grid-template-rows:auto minmax(0,1fr);grid-template-areas:"header header""sidebar main";min-block-size:100dvh;display:grid}.page[data-nav=none]{grid-template-columns:minmax(0,1fr);grid-template-areas:"header""main"}.site-header{z-index:20;block-size:var(--header-height);align-items:center;gap:var(--space-m);background:var(--surface);border-block-end:var(--hairline) solid var(--rule);grid-area:header;padding-inline:22px;display:flex;position:sticky;inset-block-start:0}.site-title{font-size:var(--step-small);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight);color:var(--ink-strong);white-space:nowrap}.site-title:hover{color:var(--ink-strong)}.header-spacer{flex:1}.header-actions{align-items:center;gap:var(--space-s);display:flex}.icon-button{border:var(--hairline) solid transparent;border-radius:var(--radius-m);block-size:30px;inline-size:30px;color:var(--ink-muted);cursor:pointer;transition:color var(--duration-fast) var(--ease), background-color var(--duration-fast) var(--ease);background:0 0;place-items:center;padding:0;display:inline-grid}.icon-button:hover{color:var(--accent-hover);background:var(--soft)}.sidebar{background:var(--surface);border-inline-end:var(--hairline) solid var(--rule);padding:var(--space-m) 18px var(--space-xl);block-size:calc(100dvh - var(--header-height));flex-direction:column;grid-area:sidebar;gap:22px;display:flex;position:sticky;inset-block-start:var(--header-height);overflow-y:auto}.sidebar-heading{margin-block-end:var(--space-xs);padding-inline-start:6px}.nav-tree{gap:var(--hairline);flex-direction:column;margin:0;display:flex}.nav-tree li{min-inline-size:0;margin:0}.nav-tree a,.nav-tree summary{padding:var(--space-3xs) 6px;border-radius:var(--radius-m);font-size:var(--step-nav);color:var(--ink);align-items:center;gap:7px;line-height:1.4;text-decoration:none;display:flex}.nav-tree a:hover,.nav-tree summary:hover{background:var(--soft);color:var(--ink)}.nav-tree a[aria-current=page]{background:var(--soft);color:var(--accent-hover);font-weight:var(--weight-medium)}.nav-tree summary{cursor:pointer;font-weight:var(--weight-medium);list-style:none}.nav-tree summary::-webkit-details-marker{display:none}.nav-tree summary:before{content:"▸";inline-size:8px;font-family:var(--font-code);font-size:var(--step-label);color:var(--ink-muted);flex:none;line-height:1}.nav-tree details[open]>summary:before{content:"▾"}[dir=rtl] .nav-tree summary:before{content:"◂"}[dir=rtl] .nav-tree details[open]>summary:before{content:"▾"}.nav-tree details>ul{border-inline-start:var(--hairline) solid var(--rule);margin-inline-start:11px;padding-inline-start:19px}.nav-count{font-family:var(--font-code);color:var(--ink-muted);flex:none;margin-inline-start:auto;font-size:10.5px}.main{min-inline-size:0;padding-block:var(--space-2xl) var(--space-3xl);padding-inline:var(--space-xl);grid-area:main}.note-layout{grid-template-columns:minmax(0, var(--column-width));justify-content:center;display:grid}.note-toc{padding:var(--space-xs) var(--space-s);background:var(--surface);border:var(--hairline) solid var(--rule);border-radius:var(--radius-l);margin-block-end:var(--space-m)}.note-toc .toc-list{max-block-size:40dvh;overflow-y:auto}.note-body{min-inline-size:0}.note-rail{gap:var(--space-l);border-block-start:var(--hairline) solid var(--rule);flex-direction:column;margin-block-start:var(--space-2xl);padding-block-start:var(--space-m);display:flex}@media (width>=1101px){.note-layout[data-layout=panels]{grid-template-columns:minmax(0, var(--column-width)) var(--rail-width);column-gap:var(--rail-gap);grid-template-rows:auto 1fr;align-items:start}.note-layout[data-layout=panels]>.note-head{grid-area:1/1}.note-layout[data-layout=panels]>.note-body{grid-area:2/1}.note-layout[data-layout=panels]>.note-aside{align-self:start;gap:var(--space-l);flex-direction:column;grid-area:1/2/span 2;display:flex;position:sticky;inset-block-start:calc(var(--header-height) + var(--space-m))}.note-layout[data-layout=panels] :is(.note-toc,.note-rail){background:0 0;border:0;margin:0;padding:0}.note-layout[data-layout=panels] .note-toc>summary{margin-block-end:var(--space-3xs)}.note-layout[data-layout=panels] .note-toc .toc-list{max-block-size:none;overflow-y:visible}.note-layout[data-layout=panels] .backlink-card{border-radius:var(--radius-m);background:0 0;padding:7px 9px}.note-layout[data-layout=panels] .backlink-card-title{font-size:var(--step-nav);font-weight:var(--weight-normal);color:var(--ink);line-height:1.4}.note-layout[data-layout=panels] .backlink-card-excerpt{display:none}}@media (width<=1100px){.note-layout[data-layout=panels]>.note-aside{display:contents}.note-layout[data-layout=panels]>.note-body{grid-row:3}.note-layout[data-layout=panels] .note-rail{grid-row:4}}.rail-section{gap:var(--space-2xs);flex-direction:column;display:flex}.rail-heading{margin-block-end:var(--space-3xs)}.rail-links{gap:var(--space-2xs);flex-direction:column;display:flex}.rail-links a{border:var(--hairline) solid var(--rule);border-radius:var(--radius-m);color:var(--ink);font-size:var(--step-nav);padding:7px 9px;line-height:1.4}.rail-links a:hover{border-color:var(--accent);color:var(--accent-hover)}.rail-empty{font-size:var(--step-nav);color:var(--ink-faint);line-height:1.45}.graph-canvas{aspect-ratio:200/210;max-block-size:260px;font-family:var(--font-body);font-size:var(--step-label);background:var(--surface);border:var(--hairline) solid var(--rule);border-radius:var(--radius-l);position:relative;overflow:hidden}.graph-canvas:empty{display:none}.graph-canvas canvas,.graph-stage canvas{cursor:grab;touch-action:pan-y;block-size:100%;inline-size:100%;display:block}.graph-expand{z-index:1;position:absolute;inset-block-start:var(--space-3xs);inset-inline-end:var(--space-3xs)}.graph-dialog{background:var(--surface);border:var(--hairline) solid var(--rule);border-radius:var(--radius-l);block-size:min(85dvh,760px);inline-size:min(92vw,1100px);padding:0;overflow:hidden}.graph-close{z-index:1;position:absolute;inset-block-start:var(--space-2xs);inset-inline-end:var(--space-2xs)}.graph-dialog::backdrop{background:var(--scrim)}.graph-stage{block-size:100%;inline-size:100%;font-family:var(--font-body);font-size:var(--step-nav)}.search-dialog{background:var(--surface);border:var(--hairline) solid var(--rule);border-radius:var(--radius-l);max-block-size:min(70dvh,34rem);inline-size:min(92vw,40rem);color:var(--ink);margin-block:12vh auto;margin-inline:auto;padding:0;overflow:hidden}.search-dialog[open]{flex-direction:column;display:flex}.search-dialog::backdrop{background:var(--scrim)}.search-head{align-items:center;gap:var(--space-2xs);padding-block:var(--space-2xs);padding-inline:var(--space-s) var(--space-2xs);border-block-end:var(--hairline) solid var(--rule);color:var(--ink-faint);flex:none;display:flex}.search-input{min-inline-size:0;padding-block:var(--space-2xs);color:var(--ink-strong);font-size:var(--step-ui);line-height:var(--leading-ui);background:0 0;border:0;flex:1;padding-inline:0}.search-input::placeholder{color:var(--ink-faint)}.search-status{padding:var(--space-2xs) var(--space-s);font-family:var(--font-code);font-size:var(--step-meta);line-height:var(--leading-meta);letter-spacing:var(--tracking-meta);color:var(--ink-muted);flex:none}.search-status:empty{padding-block:0}.search-results{flex:1;padding-block-end:var(--space-2xs);overflow-y:auto}.search-result,.search-section{padding:var(--space-2xs) var(--space-s);color:var(--ink);display:block}.search-result:hover,.search-section:hover,.search-result:focus-visible,.search-section:focus-visible{background:var(--soft)}.search-result:focus-visible,.search-section:focus-visible{outline-offset:-2px}.search-result-title{font-size:var(--step-ui);font-weight:var(--weight-medium);color:var(--ink-strong);letter-spacing:var(--tracking-tight);display:block}.search-excerpt{font-size:var(--step-excerpt);line-height:var(--leading-ui);color:var(--ink-muted);margin-block-start:2px;display:block}.search-excerpt mark{background:var(--mark);color:var(--mark-ink);border-radius:var(--radius-xs)}.search-sections{border-inline-start:var(--hairline) solid var(--rule);margin-inline-start:var(--space-l)}.search-section .search-result-title{font-size:var(--step-nav);font-weight:var(--weight-normal);color:var(--ink)}.note-preview{padding:var(--space-xs) var(--space-s);background:var(--surface);border:var(--hairline) solid var(--rule);border-radius:var(--radius-l);block-size:auto;inline-size:min(22rem,80vw);color:var(--ink);font-family:var(--font-body);line-height:var(--leading-ui);position-anchor:--jotter-preview;position-area:block-end span-inline-end;position-try-fallbacks:flip-block, flip-inline;position-visibility:anchors-visible;margin:0;margin-block:var(--space-3xs);opacity:0;transition:opacity var(--duration-fast) var(--ease), overlay var(--duration-fast) var(--ease) allow-discrete, display var(--duration-fast) var(--ease) allow-discrete;inset:auto;overflow:visible}.note-preview:popover-open{opacity:1}@starting-style{.note-preview:popover-open{opacity:0}}.note-preview-title{font-size:var(--step-nav);font-weight:var(--weight-semibold);color:var(--ink-strong);letter-spacing:var(--tracking-tight);display:block}.note-preview-text{font-size:var(--step-excerpt);color:var(--ink-muted);margin-block-start:var(--space-3xs);display:block}.note-toc>summary{cursor:pointer;list-style:none}.note-toc>summary::-webkit-details-marker{display:none}.toc-list{gap:var(--space-3xs);flex-direction:column;margin-block-start:var(--space-2xs);display:flex}.toc-list a{color:var(--ink-muted);font-size:var(--step-nav);border-inline-start:2px solid var(--rule);padding-block:2px;padding-inline-start:var(--space-2xs);line-height:1.45;display:block}.toc-list a:hover{color:var(--accent-hover);border-inline-start-color:var(--accent)}.toc-list a[data-depth="3"]{padding-inline-start:var(--space-s)}.toc-list 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