/* Dark is the default; the optional light palette preserves the same layout. */
:root{color-scheme:dark;--paper:#0d1521;--white:#121e2e;--ink:#e3ebf7;--muted:#a6b8ce;--blue:#93b4ff;--line:#2b3e58;--wash:#17253a;--yellow:#f9d46b;--button:#3158cc;--button-hover:#2548b1;--button-ink:#fff;--code:#0a111c;--mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;--body:"Segoe UI",Verdana,sans-serif;--display:"Trebuchet MS","Segoe UI",sans-serif}
:root[data-theme="light"]{color-scheme:light;--paper:#f8faff;--white:#fff;--ink:#152944;--muted:#52667e;--blue:#2454d6;--line:#d4dfee;--wash:#eaf0ff;--button:#2454d6;--button-hover:#183d9f;--button-ink:#fff;--code:#152944}
.theme-toggle{border:1px solid var(--line);background:var(--wash);color:var(--ink);padding:6px 10px;font:11px/1.7 var(--mono);cursor:pointer;white-space:nowrap}.theme-toggle:hover{border-color:var(--blue)}.theme-toggle[hidden]{display:none}

*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65}a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--blue);outline-offset:5px}button{font:inherit}::selection{background:var(--yellow);color:#152944}.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}.skip-link{position:fixed;left:20px;top:-90px;padding:10px 18px;background:var(--yellow);z-index:10}.skip-link:focus{top:15px}.masthead{max-width:1440px;margin:auto;padding:26px 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;letter-spacing:.04em;text-decoration:none;font-size:17px}.brand-mark{font:700 24px var(--mono);color:var(--blue)}.brand-sub{font:11px var(--mono);border-left:1px solid var(--line);padding-left:13px;letter-spacing:.06em}.masthead nav{display:flex;align-items:center;gap:25px;font-size:13px}.masthead nav a{color:var(--ink);text-decoration:none}.masthead nav a[aria-current]{text-decoration:underline;text-decoration-color:var(--blue);text-decoration-thickness:2px}.masthead .header-download{color:var(--blue);font-weight:700}.hero{max-width:1440px;margin:auto;padding:76px 5% 63px;display:grid;grid-template-columns:1.4fr 1fr;gap:8%;align-items:center}.eyebrow{margin:0 0 20px;font:11px/1.7 var(--mono);letter-spacing:.09em;color:var(--blue)}h1{font:700 clamp(54px,5.8vw,88px)/1.03 var(--display);letter-spacing:-.055em;margin:0 0 26px}h1 em{font-style:normal;color:var(--blue)}.lede{font-size:18px;line-height:1.7;max-width:540px;color:var(--muted);margin:0 0 27px}.hero-actions{display:flex;gap:26px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;gap:26px;align-items:center;padding:13px 20px;background:var(--button);color:var(--button-ink);text-decoration:none;font-size:14px;font-weight:700;box-shadow:4px 4px 0 var(--line)}.button:hover{background:var(--button-hover);transform:translateY(-1px)}.text-link{font-size:14px;font-weight:600}.bundle-note{font:11px/1.7 var(--mono);color:var(--muted);margin:21px 0 0}.stack-map{max-width:470px;background:var(--white);border:1px solid var(--line);padding:24px;box-shadow:9px 9px 0 var(--wash);font-size:13px}.map-top{display:flex;justify-content:space-between;gap:10px;font:9px var(--mono);letter-spacing:.055em;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--line)}.map-entry{display:flex;justify-content:center;align-items:center;gap:15px;text-align:center;margin:21px 0 0}.map-entry strong{font:700 24px var(--display)}.map-bracket{font:40px var(--mono);color:var(--blue)}.stack-map small{display:block;color:var(--muted);font-size:11px}.map-line{text-align:center;color:var(--blue);font:18px var(--mono);padding:9px}.map-gateway{background:var(--button);color:var(--button-ink);padding:10px 15px;display:flex;justify-content:space-between;align-items:center}.map-gateway span{font-size:11px}.map-services{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}.map-services>div{padding:13px}.map-services>div+div{border-left:1px solid var(--line)}.map-services strong{font-size:16px}.map-services span{display:block;margin-top:10px;font:10px var(--mono);color:var(--blue)}.map-relay{margin-top:12px;background:var(--wash);padding:10px 12px;display:flex;justify-content:space-between;gap:10px;align-items:center}.map-relay span{font-size:10px;color:var(--muted)}.map-foot{font:10px/1.6 var(--mono);text-align:center;margin:16px 0 0;color:var(--muted)}.status-strip{display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;padding:18px 5%;border-block:1px solid var(--line);background:var(--wash);font:11px/1.7 var(--mono);max-width:1440px;margin:auto}.status-strip a{font-size:11px}.reading-layout{max-width:1440px;margin:auto;padding:66px 5% 80px;display:grid;grid-template-columns:245px minmax(0,780px);column-gap:7%}.contents{align-self:start;position:sticky;top:28px;max-height:calc(100vh - 56px);overflow:auto;padding-right:10px}.contents summary{font:10px var(--mono);letter-spacing:.1em;color:var(--muted);cursor:pointer;padding-bottom:18px}.contents nav{display:flex;flex-direction:column;gap:2px}.contents nav a{border-left:2px solid var(--line);padding:8px 13px;font-size:12px;line-height:1.6;color:var(--muted);text-decoration:none}.contents nav a:hover,.contents nav a[aria-current]{border-left-color:var(--blue);color:var(--blue);background:var(--wash)}.source-link{display:block;margin:26px 0;font:10px/1.8 var(--mono)}.prose{min-width:0;font-size:15px;line-height:1.85;overflow-wrap:break-word}.prose>:first-child{margin-top:0}.prose h2{font:700 28px/1.25 var(--display);letter-spacing:-.025em;margin:64px 0 24px;padding-top:24px;border-top:1px solid var(--line);scroll-margin-top:26px}.prose>h2:first-child{padding-top:0;border:0}.prose p{margin:0 0 20px}.prose ul{padding-left:23px}.prose li{margin:8px 0}.prose code{font-family:var(--mono);font-size:.85em;background:var(--wash);padding:2px 5px;border-radius:2px;overflow-wrap:anywhere}.prose pre{position:relative;background:var(--code);color:#edf3ff;margin:27px 0;padding:48px 23px 23px;overflow:auto;border-left:3px solid var(--blue);line-height:1.7;tab-size:2}.prose pre code{padding:0;background:none;border-radius:0;white-space:pre;overflow-wrap:normal;font-size:12px}.copy-button{position:absolute;right:12px;top:9px;background:#29435f;border:1px solid #6f87a1;color:white;padding:2px 10px;font:10px/1.8 var(--mono);cursor:pointer}.copy-button:hover{background:#395c81}.copy-button:focus-visible{outline-color:var(--yellow)}.table-scroll{max-width:100%;overflow-x:auto;margin:26px 0}.prose table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.65;text-align:left;background:var(--white)}.prose th{background:var(--wash);color:var(--muted);font-size:11px}.prose td,.prose th{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}.prose td:first-child{white-space:nowrap}.prose strong{font-weight:650}.file-list{border-top:1px solid var(--line)}.file-list a{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid var(--line);text-decoration:none}.file-list span{font-size:11px;color:var(--muted)}.file-list code{background:none;color:var(--blue);padding:0}.checksum{margin-top:25px!important}.checksum b{display:block;font:10px var(--mono);color:var(--muted);margin-bottom:8px}.checksum code{display:block;font-size:10px;padding:12px;word-break:break-all}footer{max-width:1440px;margin:auto;border-top:1px solid var(--line);padding:30px 5% 45px;display:flex;justify-content:space-between;align-items:center;gap:28px;font-size:11px;color:var(--muted)}footer>span{font:11px var(--mono)}footer b{font-size:24px;color:var(--blue);margin-right:7px}footer p{margin:0}footer>a{white-space:nowrap}
@media(min-width:1600px){body{border-inline:1px solid var(--line);max-width:1440px;margin:auto}}
@media(max-width:1050px){.hero{gap:5%;padding-top:55px}.stack-map{padding:18px}.reading-layout{grid-template-columns:205px minmax(0,1fr);column-gap:5%}.brand-sub{display:none}.map-relay{display:block}.map-relay span{display:block}.status-strip{justify-content:flex-start;column-gap:24px}}
@media(max-width:760px){.masthead{padding:20px 6%;align-items:flex-start}.masthead nav{gap:15px;font-size:12px}.header-download{display:none}.brand{font-size:14px;gap:7px}.brand-mark{font-size:21px}.hero{grid-template-columns:1fr;padding:44px 6% 38px;gap:35px}.hero-copy{max-width:600px}h1{font-size:61px}.eyebrow{font-size:9px}.lede{font-size:16px}.stack-map{max-width:none;padding:20px}.map-relay{display:flex}.status-strip{padding:16px 6%;gap:10px 24px;font-size:10px}.status-strip a{display:block;width:100%}.reading-layout{display:block;padding:34px 6% 50px}.contents{position:static;max-height:none;overflow:visible;margin-bottom:42px;padding:0}.contents summary{font-size:11px;padding-bottom:15px}.contents nav{display:grid;grid-template-columns:1fr 1fr}.contents nav a{font-size:11px}.source-link{margin:16px 0}.prose{font-size:14px}.prose h2{font-size:25px;margin-top:48px}.prose pre{margin-inline:-2%;padding:43px 15px 19px}.prose pre code{font-size:11px}.prose th,.prose td{padding:10px;font-size:11px}.file-list a{align-items:flex-start;flex-direction:column;gap:2px}footer{padding:25px 6%;flex-wrap:wrap;gap:20px}footer p{order:3;width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button:hover{transform:none}}

@media(max-width:760px){.masthead{flex-wrap:wrap;gap:13px}.masthead nav{width:100%;gap:22px}.masthead .theme-toggle{margin-left:auto}.brand-sub{display:inline}}