:root{--bg:#f6f4ef;--surface:#fff;--ink:#1d2124;--muted:#5d6468;--line:#dcd8cf;--accent:#8a4f0e;--accent-soft:#f3e6d3;--code-bg:#eeebe4;--ok:#2f6b3a;--bad:#9b2c2c;
--serif:"Iowan Old Style","Charter","Georgia","Times New Roman",serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Menlo,Consolas,monospace;--wrap:48rem}
@media (prefers-color-scheme:dark){:root{--bg:#15181a;--surface:#1c2023;--ink:#e4e2dc;--muted:#9ba2a6;--line:#2e3438;--accent:#e0a458;--accent-soft:#2b2419;--code-bg:#20262a;--ok:#7fc48a;--bad:#e58a8a}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:1.0625rem/1.65 var(--sans)}
a{color:var(--accent);text-underline-offset:.18em}a:hover{text-decoration-thickness:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.25rem}
.site-header{border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:baseline;justify-content:space-between;gap:.6rem 1.5rem;padding-top:1.1rem;padding-bottom:1.1rem;flex-wrap:wrap}
.brand{font-family:var(--mono);font-weight:600;color:var(--ink);text-decoration:none;letter-spacing:.02em}.brand span{color:var(--accent)}
.nav{display:flex;gap:.4rem 1.1rem;font-size:.95rem;flex-wrap:wrap}.nav a{color:var(--muted);text-decoration:none}.nav a:hover,.nav a[aria-current=page]{color:var(--ink)}
main{padding:2.4rem 0 3.4rem}
h1,h2,h3{font-family:var(--serif);line-height:1.25;font-weight:600}
h1{font-size:clamp(1.7rem,1.2rem + 2vw,2.35rem);margin:0 0 .75rem}h2{font-size:1.4rem;margin:2.2rem 0 .6rem}h3{font-size:1.12rem;margin:1.6rem 0 .4rem}
p,ul,ol{margin:0 0 1rem}li{margin:.2rem 0}.lead{color:var(--muted);font-size:1.1rem;max-width:40rem}
.notes{list-style:none;padding:0;margin:1.2rem 0 0;border-top:1px solid var(--line)}
.notes li{border-bottom:1px solid var(--line);padding:1.1rem 0;margin:0}
.notes a.title{font-family:var(--serif);font-size:1.18rem;font-weight:600;color:var(--ink);text-decoration:none}.notes a.title:hover{color:var(--accent)}
.notes p{margin:.3rem 0 0;color:var(--muted);font-size:.97rem}
.meta{font-family:var(--mono);font-size:.8rem;color:var(--muted);letter-spacing:.02em}
.tag{display:inline-block;font-family:var(--mono);font-size:.74rem;background:var(--accent-soft);color:var(--accent);padding:.05rem .45rem;border-radius:3px;margin-left:.35rem}
article>.meta{display:block;margin-bottom:1.6rem}
pre,code,kbd{font-family:var(--mono);font-size:.88rem}code{background:var(--code-bg);padding:.08rem .3rem;border-radius:3px}
pre{background:var(--code-bg);padding:.9rem 1rem;border-radius:4px;overflow-x:auto;line-height:1.5;border:1px solid var(--line)}pre code{background:none;padding:0}
blockquote{margin:1.2rem 0;padding:.2rem 0 .2rem 1rem;border-left:3px solid var(--accent);color:var(--muted)}
.table-scroll{overflow-x:auto;margin:0 0 1.2rem}table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:.45rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}th{font-weight:600}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));margin:1.2rem 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:1rem 1.1rem}
.card h3{margin-top:0}.card p{color:var(--muted);font-size:.95rem;margin:0}
.tool{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:1.1rem 1.2rem;margin:0 0 1.4rem}
.tool h2{margin-top:0;font-size:1.2rem}
form.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:flex-end;margin-bottom:.8rem}
label{display:flex;flex-direction:column;gap:.25rem;font-size:.85rem;color:var(--muted)}
input{font:inherit;font-family:var(--mono);font-size:.95rem;padding:.45rem .6rem;border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--ink);min-width:12rem}
input:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
button{font:inherit;font-size:.95rem;padding:.48rem 1rem;border:0;border-radius:4px;background:var(--ink);color:var(--bg);cursor:pointer}button:hover{opacity:.88}
.out{margin:0;min-height:2.6rem;white-space:pre-wrap;word-break:break-word}.out.err{color:var(--bad)}
.status-line{display:flex;align-items:center;gap:.55rem;font-family:var(--mono);font-size:.88rem;color:var(--muted)}
.dot{width:.6rem;height:.6rem;border-radius:50%;background:var(--muted);flex:none}.dot.ok{background:var(--ok)}.dot.bad{background:var(--bad)}
dl.kv{display:grid;grid-template-columns:max-content 1fr;gap:.35rem 1.2rem;margin:0;font-family:var(--mono);font-size:.92rem}dl.kv dt{color:var(--muted)}dl.kv dd{margin:0}
.site-footer{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
.site-footer .wrap{padding-top:1.2rem;padding-bottom:1.6rem;display:flex;justify-content:space-between;gap:.6rem 1rem;flex-wrap:wrap}
@media (max-width:30rem){input{min-width:0;width:100%}label{flex:1 1 100%}}
@media (max-width:30rem){dl.kv{grid-template-columns:1fr;gap:.1rem}dl.kv dd{margin-bottom:.5rem}}
td:first-child{white-space:nowrap}