:root{color-scheme:dark;--bg:#101419;--panel:#191f27;--line:#303942;--ink:#f1f5f4;--muted:#a4b0bb;--accent:#a9f0d2;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--accent);text-underline-offset:4px}button,textarea{font:inherit}a,button,summary,textarea{outline-offset:5px}a:focus-visible,button:focus-visible,summary:focus-visible,textarea:focus-visible{outline:2px solid var(--accent)}::selection{background:#3c6958;color:white}
.topbar{height:78px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 max(24px,calc((100% - 1160px)/2));gap:24px;background:var(--bg)}
.brand{color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:12px;font-size:11px;font-weight:750;letter-spacing:1.5px;white-space:nowrap}.divider{color:#596673}.muted{color:var(--muted)}.top-link{font-size:13px;white-space:nowrap;text-decoration:none}
main{max-width:1160px;margin:auto;padding:0 24px}.hero{padding:76px 0 66px;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 85% 40%,#213a302e,transparent 45%)}.eyebrow{font:600 11px/1.6 var(--mono);letter-spacing:1.7px;color:var(--muted);margin:0 0 18px}.badge{display:inline-block;margin-left:18px;padding:5px 10px;background:#23352e;border:1px solid #385046;color:var(--accent);border-radius:4px;letter-spacing:0}
h1{font-size:clamp(48px,7.5vw,88px);line-height:1.04;letter-spacing:-4px;margin:20px 0 26px;font-weight:640}h1 span{color:var(--accent)}.lead{max-width:565px;font-size:19px;line-height:1.65;color:var(--muted)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 10px}.button{border:1px solid transparent;border-radius:6px;padding:12px 20px;min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:22px;text-decoration:none;font-size:14px;font-weight:650;cursor:pointer}.primary{background:var(--accent);color:#12221b}.primary:hover{background:#c2ffe3}.secondary{border-color:var(--line);background:transparent;color:var(--ink)}.secondary:hover{background:#252e36}.caption{font-size:12px;color:var(--muted)}.caption strong{color:#c6d1d7;font-size:11px;letter-spacing:.6px}
.guide-layout{display:grid;grid-template-columns:218px minmax(0,1fr);gap:70px;padding-top:58px}aside{position:sticky;top:32px;height:fit-content;font-size:13px}aside nav{display:flex;flex-direction:column;gap:6px}aside nav a{padding:8px 0;color:var(--muted);text-decoration:none}aside nav a:hover{color:var(--accent)}.reference{display:block;margin-top:28px;border-top:1px solid var(--line);padding-top:20px;text-decoration:none}.chapters{min-width:0}.chapters section{margin:0 0 64px;scroll-margin-top:32px}.chapters h2{font-size:30px;line-height:1.25;letter-spacing:-.8px;font-weight:600;margin:0 0 20px}.chapters p,.steps{color:#bdc7cf}.steps{padding-left:22px}.steps li{padding-left:8px;margin:12px 0}.note{background:#1c2925;border:1px solid #344c42;border-left:3px solid var(--accent);padding:18px 21px;border-radius:4px;color:#c8d8d0;font-size:14px;margin:26px 0}.note strong{color:var(--ink)}code{font:13px/1.75 var(--mono);color:#c7e9dc;background:#222b31;padding:2px 5px;border-radius:3px;overflow-wrap:anywhere}pre{padding:24px;background:#151b21;border:1px solid var(--line);border-radius:7px;overflow:auto;margin:24px 0;tab-size:4}pre code{padding:0;background:none;white-space:pre;overflow-wrap:normal}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px;margin:12px 0 24px}th{text-align:left;color:var(--muted);font-size:11px;letter-spacing:.8px;text-transform:uppercase;font-weight:600}td,th{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top}td{color:#c5cfd6}td:first-child,th:first-child{padding-left:0}td code{font-size:12px}
.lifecycle{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:6px;margin:26px 0}.lifecycle>div{padding:24px}.lifecycle>div+div{border-left:1px solid var(--line)}.key{display:inline-grid;place-items:center;width:37px;height:37px;border:1px solid #4a5f58;border-bottom-width:3px;border-radius:6px;color:var(--accent);font:20px var(--mono)}h3{font-size:17px;font-weight:600;margin:16px 0 8px}.lifecycle p{font-size:14px;margin:0}.prompt-section{padding:30px;background:var(--panel);border:1px solid #40594e;border-radius:8px}.prompt-section .eyebrow{color:var(--accent)}label{display:block;font-size:13px;margin:24px 0 8px;font-weight:600}textarea{display:block;width:100%;background:#10161b;border:1px solid #435149;color:var(--ink);border-radius:5px;padding:15px;font-size:14px;line-height:1.6;resize:vertical;min-height:120px}textarea::placeholder{color:#82918f}#prompt-text{font:12px/1.7 var(--mono);min-height:240px;margin-top:16px;white-space:pre-wrap}.prompt-section .status{font-size:12px;min-height:40px;color:var(--muted);margin-top:12px}details{border-top:1px solid var(--line);padding-top:18px}summary{font-size:13px;cursor:pointer;color:var(--accent)}footer{padding:28px 0 40px;border-top:1px solid var(--line);display:flex;gap:24px;align-items:center;font:10px var(--mono);letter-spacing:1px;color:var(--muted)}footer a{margin-left:auto;font:12px system-ui;letter-spacing:0}footer span{letter-spacing:0}
.skip{position:fixed;left:16px;top:-70px;z-index:10;padding:10px;background:var(--accent);color:#13261b}.skip:focus{top:8px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:850px){.guide-layout{grid-template-columns:170px minmax(0,1fr);gap:32px}.brand .divider,.brand .muted{display:none}.badge{margin-left:0;margin-top:10px;display:table}}
@media(max-width:640px){.topbar{height:64px;padding:0 20px;gap:12px}.brand{font-size:10px;gap:8px;letter-spacing:1px}.top-link{font-size:11px}main{padding:0 20px}.hero{padding:44px 0 40px}h1{letter-spacing:-2.4px}.lead{font-size:17px}.guide-layout{display:block;padding-top:38px}aside{display:none}.chapters h2{font-size:26px}.chapters section{margin-bottom:48px}pre{padding:17px}.prompt-section{padding:22px 17px}.actions .button{width:100%}.lifecycle{grid-template-columns:1fr}.lifecycle>div+div{border-left:0;border-top:1px solid var(--line)}footer{flex-wrap:wrap;gap:12px}footer span{width:100%;order:3}footer a{margin-left:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.topbar nav{display:flex;align-items:center;gap:22px}.topbar nav a{display:inline-flex;align-items:center;min-height:44px}
@media(max-width:640px){.topbar{height:auto;min-height:72px;flex-wrap:wrap;gap:0 18px;padding-block:10px}.topbar nav{gap:18px}.topbar nav a{font-size:11px}}