:root {
  --paper: #FDFCFB; --ink: #16141A; --mute: #6B6673; --accent: #5B3FD9;
  --rule: rgba(22,20,26,0.10);
}
@media (prefers-color-scheme: dark) {
  :root { --paper: #131218; --ink: #F2F0F5; --mute: #9A94A6; --accent: #A78BFA; --rule: rgba(242,240,245,0.14); }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 40rem; margin: 0 auto; padding: 4rem 1.5rem 6rem; }
header.mast { display: flex; align-items: baseline; gap: .6rem; margin-bottom: 3rem; }
header.mast a { color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -0.02em; font-size: 1.15rem; }
header.mast span { color: var(--mute); font-size: .95rem; }
h1 { font-size: 2rem; line-height: 1.2; letter-spacing: -0.03em; margin: 0 0 .4rem; text-wrap: balance; }
h2 { font-size: 1.15rem; letter-spacing: -0.01em; margin: 2.6rem 0 .6rem; text-wrap: balance; }
.updated { color: var(--mute); font-size: .95rem; margin: 0 0 2.5rem; }
p, li { color: var(--ink); }
strong { font-weight: 650; }
a { color: var(--accent); text-underline-offset: 2px; }
ul { padding-left: 1.2rem; }
li { margin: .35rem 0; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0; }
footer { color: var(--mute); font-size: .9rem; }
footer a { color: var(--mute); }