:root{--sans-font:-apple-system,BlinkMacSystemFont,"Avenir Next",Avenir,"Nimbus Sans L",Roboto,"Noto Sans","Segoe UI",Arial,Helvetica,"Helvetica Neue",sans-serif;--mono-font:Consolas,Menlo,Monaco,"Andale Mono","Ubuntu Mono",monospace;--full-border-radius:9999px;--standard-border-radius:5px;--bg:#f0f0f0;--accent-bg:#e0e0e0;--text:#333;--text-light:#666;--border:#999;--accent:#428d64;--accent-hover:#275d3e;--accent-text:#fff;--code:#e7473c;--preformatted:#555;--marked:#ffd43a;--disabled:#ccc}@media (prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#1d1d1d;--accent-bg:#2d2d2d;--text:#e0e0e0;--text-light:#b0b0b0;--accent:#66bb6a;--accent-hover:#4caf50;--code:#ff8a65;--preformatted:#bdbdbd;--disabled:#424242}img,video{opacity:.8}}h1,h2,h3{line-height:1.1}details,summary{padding:.7rem 1rem}summary,table caption,th{font-weight:700}img,pre,video{max-width:100%}aside,details,pre,progress,th,tr:nth-child(2n){background-color:var(--accent-bg)}body,dialog,input,select,textarea{background-color:var(--bg)}*,::after,::before{box-sizing:border-box}input,progress,select,textarea{appearance:none;-webkit-appearance:none;-moz-appearance:none}html{font-family:var(--sans-font);scroll-behavior:smooth}body{color:var(--text);font-size:1.15rem;line-height:1.5;display:grid;grid-template-columns:1fr min(45rem,90%) 1fr;margin:0}body>*{grid-column:2}body>header h1{max-width:1200px;margin:1rem auto}body>header p{max-width:40rem;margin:1rem auto}main{min-height: calc(100vh - 176px);padding:2rem 0}body>footer{padding:2rem 0;color:var(--text-light);font-size:.9rem;text-align:center}h1,h2,h3,h4,h5,h6,p{overflow-wrap:break-word}details[open]>summary+*,h1,h2,h3,h4,h5,h6,li,ol,p:first-child,ul{margin-top:0}h1{font-size:clamp(1.8rem,1.5rem + 1.5vw,3rem);line-height:1.1}h2{font-size:clamp(1.5rem,1.3rem + 1vw,2.5rem);line-height:1.2}h3{font-size:clamp(1.3rem,1.1rem + 0.75vw,2.2rem);line-height:1.3}h4{font-size:clamp(1.1rem,1rem + 0.5vw,1.8rem);line-height:1.4}h5{font-size:clamp(1rem,0.9rem + 0.25vw,1.4rem);line-height:1.5;font-weight:600}h6{font-size:clamp(0.8rem,0.4rem + 0.1vw,1rem);line-height:1.6;font-weight:600}a,a:visited,mark a{color:var(--accent)}a:hover{text-decoration:none}button,input[type=button],input[type=reset],input[type=submit]{border:1px solid var(--accent);background-color:var(--accent);color:var(--accent-text);padding:.5rem .9rem;text-decoration:none;line-height:normal}button[disabled],input:disabled,select:disabled,textarea:disabled{cursor:not-allowed;background-color:var(--disabled);border-color:var(--disabled);color:var(--text-light)}input[type=range]{padding:0}abbr[title]{cursor:help;text-decoration-line:underline;text-decoration-style:dotted}button:enabled:hover,input[type=button]:enabled:hover,input[type=reset]:enabled:hover,input[type=submit]:enabled:hover{background-color:var(--accent-hover);border-color:var(--accent-hover);cursor:pointer}button:focus-visible:where(:enabled),input:enabled:focus-visible:where([type=submit],[type=reset],[type=button]){outline:2px solid var(--accent);outline-offset:1px}header>nav{font-size:1rem;line-height:2;padding-top:2rem;display:flex;flex-wrap:wrap;align-items:center;gap:1rem}header>nav ol,header>nav ul{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;list-style-type:none;margin:0;padding:0}header>nav ol li,header>nav ul li,input[type=checkbox]+label,input[type=radio]+label{display:inline-block}header>nav a,header>nav a:visited{border:1px solid var(--border);border-radius:var(--full-border-radius);color:var(--text);padding:.1rem 1rem;text-decoration:none}header>nav a:hover,header>nav a[aria-current=page],header>nav a[aria-current=true]{border-color:var(--accent);color:var(--accent);cursor:pointer}aside,details,pre,progress{border:1px solid var(--border);border-radius:var(--standard-border-radius);margin-bottom:1rem}aside{font-size:1rem;width:30%;padding:0 15px;margin-inline-start:15px;float:right}[dir=rtl] aside{float:left}dialog,fieldset{border:1px solid var(--border);padding:1rem;border-radius:var(--standard-border-radius)}section{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:2rem 0;margin:2rem 0}section+section,section:first-child{border-top:0;margin-top:0;padding-top:0}section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}summary{cursor:pointer;margin:-.7rem -1rem;word-break:break-all}details[open]>summary{margin-bottom:.5rem}:last-child,details[open]>:last-child{margin-bottom:0}table{border-collapse:collapse;margin:1.5rem 0}figure>table{width:max-content;margin:0}td,th{border:1px solid var(--border);text-align:start;padding:.5rem}table caption{margin-bottom:.5rem}button,input,select,textarea{font-size:inherit;font-family:inherit;padding:.5rem;margin-bottom:.5rem;border-radius:var(--full-border-radius);box-shadow:none;max-width:100%;display:inline-block}cite,figcaption{font-size:.9rem;color:var(--text-light)}figure,label{display:block}input,select,textarea{color:var(--text);border:1px solid var(--border)}progress,textarea:not([cols]){width:100%}select:not([multiple]){background-image:linear-gradient(45deg,transparent 49%,var(--text) 51%),linear-gradient(135deg,var(--text) 51%,transparent 49%);background-position:calc(100% - 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