:root{color-scheme:dark;--bg:#11151b;--text:#e0e5ed;--muted:#9ba7b7;--line:#2b3441;--accent:#81c9ed;--pale:#18212b;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:35px}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:1.65}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
button,a{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
header,main,footer{max-width:1240px;margin:auto;padding-left:54px;padding-right:54px}
header{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px 28px;padding-top:23px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap}
.brand strong{font-size:19px;letter-spacing:-.7px}
.brand strong span{font-weight:400;color:var(--muted)}
.brandmark{display:flex;align-items:center;justify-content:center;width:35px;height:35px;border:1px solid var(--accent);border-radius:7px;color:var(--accent);font:bold 27px Georgia;line-height:1}
.brandmark span{font:17px Arial;margin-left:-2px}
nav{display:flex;grid-row:2;grid-column:1/-1;gap:30px;margin:0}
nav a{font-size:13px;color:var(--muted);position:relative}
nav a.active{color:var(--text)}
nav a.active:after{content:'';position:absolute;bottom:-17px;left:0;right:0;height:2px;background:var(--accent)}
.languages{grid-row:1;grid-column:3;display:flex;gap:10px;font:11px var(--mono);color:var(--muted)}
.languages a[aria-current]{color:var(--text);font-weight:bold}
.hero{padding-top:83px;padding-bottom:55px}
.eyebrow,.tiny{font:10px var(--mono);letter-spacing:1.5px}
.eyebrow{color:var(--accent);display:flex;align-items:center;gap:10px}
.dot{width:6px;height:6px;background:var(--accent);border-radius:50%;display:inline-block}
h1{font-size:clamp(42px,5.4vw,69px);line-height:1.08;letter-spacing:-3.2px;font-weight:500;margin:28px 0 25px}
.lead{color:var(--muted);font-size:18px;line-height:1.65;max-width:750px}
.actions{display:flex;align-items:center;gap:28px;margin-top:30px}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;background:var(--accent);color:#101923;border-radius:4px;padding:12px 20px;font-size:13px}
.button:hover{background:#a5dcf6;color:#101923}
.textlink{font-size:13px}
.tags{display:flex;gap:8px;margin-top:39px}
.tags span{border:1px solid var(--line);border-radius:3px;padding:4px 8px;font:9px var(--mono);letter-spacing:.7px;color:var(--muted)}
.flow{border:1px solid var(--line);border-radius:5px;background:#151c25;overflow:hidden}
.flowtop{display:flex;justify-content:space-between;padding:15px 22px;border-bottom:1px solid var(--line);font:9px var(--mono);letter-spacing:1px;color:var(--muted)}
.flowline{display:flex;align-items:center;padding:28px 50px;gap:35px}
.flowline>div{flex:1;padding:10px 20px}
.flowline strong{font-size:23px;display:block;font-weight:500;margin:8px 0 3px;letter-spacing:-.5px}
.flowline small{color:var(--muted);font-size:12px}
.flowline .tiny{font-size:8px;color:var(--muted)}
.flowline b{font:23px var(--mono);color:#6c7e92;font-weight:400}
.flowline .edge{background:#213849;color:#e0edf6;border-radius:4px}
.flowline .edge small,.flowline .edge .tiny{color:#c1d7e7}
.flowbottom{display:flex;gap:30px;border-top:1px solid var(--line);padding:12px 22px;font:10px var(--mono);color:var(--muted)}
.flowbottom i{display:inline-block;width:5px;height:5px;background:var(--accent);border-radius:50%;margin-right:8px}
.section{padding:54px 0;border-bottom:1px solid var(--line)}
.sectiontitle{display:flex;align-items:center;gap:18px;margin-bottom:25px}
.index{font:10px var(--mono);color:#8b9aab}
h2{font-size:26px;font-weight:500;letter-spacing:-.7px;margin:0;line-height:1.3}
h3{font-weight:500;font-size:20px;line-height:1.35;letter-spacing:-.5px;margin:15px 0}
p{color:var(--muted);margin:12px 0;max-width:880px}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:45px}
.twocol article+article{border-left:1px solid var(--line);padding-left:45px}
.workload h3{font-size:29px;line-height:1.2;letter-spacing:-.9px}
.workload p{font-size:14px;max-width:420px}
.workload .tiny{color:var(--accent)}
.filelist{display:flex;gap:7px;flex-wrap:wrap;margin:22px 0}
.filelist span{font:10px var(--mono);background:var(--pale);padding:6px 8px;border-radius:2px;color:#b2c4d5}
.workload a{font-size:12px;color:var(--accent)}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}
.principles h3{font:14px var(--mono)}
.principles p{font-size:13px}
.next{display:flex;justify-content:space-between;align-items:center;gap:30px;background:var(--pale);padding:30px;margin:48px 0 60px;border-radius:4px}
.next .tiny{color:var(--accent)}
.next h2{font-size:23px;margin-top:8px}
footer{padding-top:28px;padding-bottom:30px;border-top:1px solid var(--line);display:flex;gap:25px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:11px}
footer>a:last-of-type{margin-left:auto}
footer small{display:block;width:100%;font:9px var(--mono);color:#8b9aab}
.connection-info{grid-row:1;grid-column:2;font:13px/1.7 var(--mono);color:var(--muted);justify-self:end;overflow-wrap:anywhere;max-width:100%}
.client-ip:empty::before{content:'—'}
.pagehero{padding:65px 0 35px}
.pagehero h1{font-size:53px;max-width:850px}
.note{display:flex;gap:16px;padding:17px 22px;background:var(--pale);border-left:2px solid #5786a0;font-size:13px;margin:10px 0 15px}
.note>span{color:var(--accent)}
.note p{margin:0}
.code{background:#0c1117;border:1px solid #2a3747;border-radius:5px;overflow:hidden;margin:20px 0;color:#d0deea}
.codebar{display:flex;justify-content:space-between;padding:9px 18px;border-bottom:1px solid #2a3747;font:9px var(--mono);letter-spacing:1px;color:#a2b3c3}
.copy{background:transparent;color:#b4cadb;border:0;cursor:pointer;font:10px var(--mono);padding:1px 5px}
.copy:hover{color:white}
pre{padding:21px 22px;margin:0;overflow:auto;font:12px/1.9 var(--mono);tab-size:2}
td code{font:11px/1.6 var(--mono);overflow-wrap:anywhere}
.tablewrap{overflow:auto}
table{border-collapse:collapse;width:100%;text-align:left;font-size:13px}
th{font-weight:400;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);padding:12px 15px;background:var(--pale)}
td{border-bottom:1px solid var(--line);padding:19px 15px;min-width:150px}
td:first-child{color:var(--accent)}
.steps{list-style:none;counter-reset:steps;padding:0}
.steps li{counter-increment:steps;position:relative;padding-left:50px;margin:28px 0}
.steps li:before{content:'0' counter(steps);position:absolute;left:0;top:2px;font:11px var(--mono);color:var(--accent);background:var(--pale);padding:7px}
.steps h3{font-size:18px}
.references{display:flex;flex-wrap:wrap;gap:20px;font-size:11px;margin-top:25px}
.references a{color:var(--accent)}
.skip{position:absolute;left:10px;top:-80px;background:var(--pale);padding:10px}
.skip:focus{top:10px}
main>.section:last-child{margin-bottom:50px}
#hls{scroll-margin-top:20px}
@media(min-width:1500px){header,main,footer{max-width:1320px}
.hero{padding-top:95px}
}
@media(max-width:850px){header,main,footer{padding-left:28px;padding-right:28px}
header{gap:18px 22px}
nav{gap:17px}
.flowline{gap:8px;padding:25px 15px}
.flowline>div{padding:10px}
.flowline strong{font-size:19px}
.flowline small{font-size:10px}
.twocol{gap:25px}
.twocol article+article{padding-left:25px}
.next{padding:25px}
.next h2{font-size:21px}
}
@media(max-width:600px){header,main,footer{padding-left:20px;padding-right:20px}
header{gap:14px;padding-top:18px;padding-bottom:14px}
.connection-info{grid-row:2;grid-column:1/-1;justify-self:start;font-size:11px}
.brand strong{font-size:17px}
.brandmark{width:30px;height:30px}
nav{grid-row:3;width:100%;justify-content:space-between;gap:8px}
nav a{font-size:11px}
nav a.active:after{bottom:-14px}
.languages{margin-left:auto;font-size:11px}
.hero{padding-top:48px;padding-bottom:35px}
h1{font-size:43px;letter-spacing:-2px;margin-top:23px}
.lead{font-size:16px}
.actions{gap:20px;align-items:flex-start;flex-direction:column}
.tags{margin-top:30px;gap:5px}
.tags span{font-size:8px}
.flowline{padding:15px 6px;gap:1px}
.flowline>div{padding:9px 5px}
.flowline strong{font-size:15px}
.flowline small{font-size:9px;line-height:1.3;display:block}
.flowline .tiny{font-size:6px;letter-spacing:.5px}
.flowline b{font-size:17px}
.flowbottom{gap:14px;padding:12px;font-size:8px}
.flowtop{padding:13px;font-size:8px}
.section{padding:35px 0}
h2{font-size:23px}
.sectiontitle{gap:12px}
.twocol,.principles{grid-template-columns:1fr;gap:25px}
.twocol article+article{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:28px}
.workload h3{font-size:27px}
.next{flex-direction:column;align-items:flex-start;margin:30px 0;padding:23px;gap:23px}
.next h2{font-size:23px}
.pagehero{padding-top:45px}
.pagehero h1{font-size:40px;letter-spacing:-1.7px}
footer{gap:15px}
footer>span{font-size:10px}
footer>a:last-of-type{margin-left:0;width:100%}
.note{padding:15px;font-size:12px;gap:9px}
td{padding:14px 10px;min-width:130px}
pre{font-size:11px;padding:18px 14px}
.references{gap:12px}
.principles h3{margin-bottom:8px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
}