/* ——— Theme tokens (monochrome, text-first) ——— */
:root{
  --bg: #ffffff;
  --fg: #111111;
  --muted: #6b7280;
  --border: #e5e7eb;
  --link: #0645ad;
  --link-visited: #0b0080;
  --accent: #000000;
  --max-ch: 72ch;
  --side-ch: 24ch;
  --leading: 1.6;
  --radius: 8px;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg: #0b0b0b;
    --fg: #e5e7eb;
    --muted: #9ca3af;
    --border: #262626;
    --link: #93c5fd;
    --link-visited: #c4b5fd;
    --accent: #fafafa;
  }
}
html,body{ height:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family: ui-serif, Charter, "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  font-variant-ligatures: common-ligatures; 
  text-rendering: optimizeLegibility;
}
.container{ 
  display:grid; 
  grid-template-columns: 1fr min(var(--max-ch), 100%) 1fr; 
  gap: 0 2rem; 
}
header, main, footer{ grid-column: 2; }
header{ 
  padding: 1.25rem 0 0.75rem; 
  border-bottom: 1px solid var(--border);
  position: sticky; top:0; backdrop-filter: blur(3px);
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  z-index: 2;
}
.title{ display:flex; align-items:baseline; gap:1rem; flex-wrap: wrap; }
.title a.site{ 
  text-decoration:none; color:var(--fg); font-weight:600; letter-spacing:0.3px;
  font-variant-caps: small-caps; 
}
nav a{ color:var(--fg); text-decoration:none; margin-right: 1rem; }
nav a:hover{ text-decoration: underline; }
nav a[aria-current="page"]{ text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px; }
main{ padding: 2rem 0 3rem; line-height: var(--leading); }
main > * + *{ margin-top: 1.2rem; }
p{ hanging-punctuation: first last; }
h1,h2,h3{ 
  line-height:1.2; margin: 2rem 0 0.5rem; font-weight: 700; 
  font-feature-settings: "smcp" on, "onum" on; 
}
h1{ font-size: clamp(1.75rem, 2.5vw + 1rem, 2.6rem); }
h2{ font-size: clamp(1.25rem, 1.2vw + 1rem, 1.6rem); }
h3{ font-size: clamp(1.1rem, 0.9vw + 0.9rem, 1.25rem); }
.eyebrow{ color:var(--muted); font-variant-caps: all-small-caps; letter-spacing: .04em; }
a{ color: var(--link); }
a:visited{ color: var(--link-visited); }
a:hover{ text-decoration-thickness: 2px; }
.lead:first-letter{ 
  float:left; font-size:3.3rem; line-height: .9; padding: .2rem .4rem .2rem 0; margin-right:.2rem; 
  font-weight:700; color:var(--fg);
}
.list li{ margin: .35rem 0; }
.meta{ color:var(--muted); font-size: .95rem; }
.sidenote{ 
  display: block; font-size: .92rem; color: var(--muted); 
  border-left: 2px solid var(--border); padding-left: .75rem; margin: .75rem 0; 
}
@media (min-width: 1100px){
  .sidenote{ 
    float: right; clear: right; width: var(--side-ch); margin: .2rem -9rem 0 1rem; 
    border-left: none; border-right: 2px solid var(--border); padding: 0 0 0 .75rem; 
  }
}
code, pre{ font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }
pre{ background: color-mix(in oklab, var(--bg) 92%, black); padding: 1rem; border-radius: var(--radius); overflow:auto; }
table{ border-collapse: collapse; width: 100%; }
th, td{ padding: .5rem .6rem; border-bottom: 1px solid var(--border); text-align: left; }
hr{ border:0; border-top: 1px solid var(--border); margin: 2rem 0; }
.muted{ color:var(--muted); }
.btn{ margin-left:auto; background:none; border:1px solid var(--border); border-radius: var(--radius); padding:.35rem .6rem; color:var(--fg) }
/* External-link hint (subtle) */
a[href^="http"]:where(:not([href*="/" i]))::after{ content: " ↗"; font-size: .9em; }
/* Skip link */
.skip{ position:absolute; left:-9999px; }
.skip:focus{ left: 1rem; top: 1rem; background: var(--bg); color: var(--fg); padding:.4rem .6rem; border:1px solid var(--border); border-radius: var(--radius); }
@media print{
  header{ position: static; border: none; }
  a::after{ content: " (" attr(href) ")"; font-size: .85em; color: var(--muted); }
}