:root{--fg:#1d1d1f;--muted:#5f6368;--line:#e5e5e5;--link:#0b57d0;--bg:#fff;--soft:#f6f7f8}
@media (prefers-color-scheme:dark){:root{--fg:#e8e8e8;--muted:#a0a4a8;--line:#2d2f31;--link:#8ab4f8;--bg:#121314;--soft:#1b1c1e}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:18px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}
header.site,footer.site,main{max-width:720px;margin:0 auto;padding:0 20px}
header.site{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.brand{font-weight:700;font-size:20px;color:var(--fg);letter-spacing:-.01em}
header nav a{margin-left:18px;color:var(--muted);font-size:16px}
main{padding-top:24px;padding-bottom:40px}
h1{font-size:34px;line-height:1.2;letter-spacing:-.02em;margin:.3em 0 .4em}
h2{font-size:24px;line-height:1.3;margin:1.8em 0 .5em}
h3{font-size:20px;margin:1.5em 0 .4em}
.meta,.crumbs,small{color:var(--muted);font-size:15px}
.summary{background:var(--soft);border-left:3px solid var(--link);padding:12px 16px;border-radius:4px}
pre{background:var(--soft);padding:14px;overflow-x:auto;border-radius:6px;font-size:15px;line-height:1.5}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em}
:not(pre)>code{background:var(--soft);padding:1px 5px;border-radius:4px}
blockquote{margin:1em 0;padding:0 16px;border-left:3px solid var(--line);color:var(--muted)}
table{border-collapse:collapse;width:100%;font-size:16px;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
img{max-width:100%;height:auto}
ul.list{list-style:none;padding:0}
ul.list li{padding:16px 0;border-bottom:1px solid var(--line)}
ul.list li>a{font-weight:600;font-size:19px}
ul.list li p{margin:4px 0}
.sources ol{padding-left:22px;font-size:16px}
.review{color:var(--muted);font-size:15px}
.intro p{color:var(--muted)}
footer.site{border-top:1px solid var(--line);padding-top:16px;padding-bottom:32px;color:var(--muted);font-size:14px}
@media (max-width:520px){body{font-size:17px}h1{font-size:28px}header nav a{margin-left:0;margin-right:14px}}
.brand{display:inline-flex;align-items:center;gap:8px}.brand img{border-radius:5px}
.toc{border:1px solid var(--line);border-radius:6px;padding:12px 16px;margin:20px 0;font-size:16px}.toc ol{margin:6px 0 0;padding-left:20px}
.cite code{display:block;white-space:normal;padding:10px 12px;font-size:14px;line-height:1.5}