:root {
  --ground: #F2F3F7; --surface: #FFFFFF; --ink: #15161C; --muted: #5D6070; --line: #DADCE5;
  --accent: #E8336D;
  --display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --body: "Atkinson Hyperlegible", "Segoe UI", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #101116; --surface: #1A1B22; --ink: #EDEEF4; --muted: #A2A5B5; --line: #2C2E38;
    --accent: #FF5A8A; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ground: #101116; --surface: #1A1B22; --ink: #EDEEF4; --muted: #A2A5B5; --line: #2C2E38;
  --accent: #FF5A8A; color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 17px/1.6 var(--body);
  padding: env(safe-area-inset-top, 0px) 16px calc(40px + env(safe-area-inset-bottom, 0px)); }
main { max-width: 640px; margin: 0 auto; padding-block: 24px 0; }
a { color: var(--ink); text-underline-offset: 3px; }
.back { font-weight: 700; font-size: 15px; }
h1 { font: 800 34px/1.1 var(--display); letter-spacing: -.02em; margin: 20px 0 6px; text-wrap: balance; }
h2 { font: 700 20px/1.25 var(--display); margin: 28px 0 6px; }
p, li { margin: 0 0 10px; }
ul { padding-left: 22px; margin: 0 0 10px; }
.date { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.box { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }