:root{--paper:#fbfaf7; --ink:#17181a; --muted:#6b6f76; --line:#e2e0da; --card:#ffffff;--blue:#17181a; --blue-soft:#efeeea; --stress:#c8102e; --stress-soft:#fbe9ec;--focus:#c8102e;}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--paper:#121316; --ink:#ecebe6; --muted:#a3a7ad; --line:#2c2e33; --card:#1a1b1f;--blue:#ecebe6; --blue-soft:#26272c; --stress:#ff5a6e; --stress-soft:#3a1a20; --focus:#ff5a6e;}}
:root[data-theme="dark"]{--paper:#121316; --ink:#ecebe6; --muted:#a3a7ad; --line:#2c2e33; --card:#1a1b1f;--blue:#ecebe6; --blue-soft:#26272c; --stress:#ff5a6e; --stress-soft:#3a1a20; --focus:#ff5a6e;}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.55}
a{color:var(--stress);text-decoration-thickness:1px;text-underline-offset:2px}
a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.beta{background:var(--ink);color:var(--paper);font-size:.95rem;padding:.55rem 0}
.beta .wrap{display:flex;flex-wrap:wrap;gap:.35rem 1rem;align-items:baseline}
.beta b{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;background:var(--stress);color:#fff;padding:.15rem .5rem;border-radius:3px}
.beta a{color:inherit;text-decoration-color:var(--stress);text-underline-offset:3px}
.top{display:flex;flex-wrap:wrap;align-items:baseline;gap:.6rem 1.4rem;padding:1.4rem 0 .4rem;border-bottom:1px solid var(--line)}
.top .mark{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:1.5rem;letter-spacing:-.01em;text-decoration:none;color:var(--ink)}
.top .mark .a{color:var(--blue)}.top .mark .s{color:var(--stress)}
.top nav{display:flex;flex-wrap:wrap;gap:1rem;font-size:.95rem}
.top nav a{color:var(--muted);text-decoration:none}.top nav a[aria-current]{color:var(--ink);font-weight:500}
.top nav a:hover{color:var(--stress)}
.prose{max-width:42em;padding:1.5rem 0 3rem}
.prose h1{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(2rem,6vw,3rem);line-height:1.05;letter-spacing:-.02em;margin:.5rem 0 1rem;text-wrap:balance}
.prose h2{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:1.45rem;line-height:1.15;margin:2rem 0 .5rem;letter-spacing:-.01em}
.prose p,.prose li{text-wrap:pretty}
.prose ul{padding-left:1.2em}.prose li{margin:.3em 0}
.prose .lead{font-size:1.2rem}
.prose .rule{background:var(--stress-soft);border-left:4px solid var(--stress);padding:.8rem 1rem;border-radius:0 6px 6px 0;margin:1.2rem 0}
.prose .rule p{margin:0}
.prose code{font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace;font-size:.92em;background:var(--card);border:1px solid var(--line);border-radius:4px;padding:.05em .35em}
.prose .btn{display:inline-block;font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:1rem;color:var(--paper);background:var(--ink);text-decoration:none;padding:.6rem 1rem;border-radius:6px;border:2px solid var(--ink)}
.prose .btn:hover{background:var(--stress);border-color:var(--stress);color:#fff}
.prose dl{display:grid;grid-template-columns:max-content 1fr;gap:.4rem 1rem}.prose dt{font-weight:500}.prose dd{margin:0}
@media(max-width:600px){.prose dl{grid-template-columns:1fr}.prose dd{margin:0 0 .6rem}}
footer{border-top:1px solid var(--line);padding:1.4rem 0 2.5rem;color:var(--muted);font-size:.92rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:.4rem 1.5rem;justify-content:space-between}
footer a{color:inherit}