/* Lock In web pages: the app's colours, the phone's own fonts (no font or script from anyone else). */
:root {
  --bg: #f4f8f5;
  --card: #ffffff;
  --ink: #0d1a12;
  --mute: #4f6b5a;
  --accent: #0f9d58;
  --line: #d7e5dc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #050b08;
    --card: #0d1812;
    --ink: #e8fff1;
    --mute: #86ab95;
    --accent: #22e07a;
    --line: #1b3326;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 24px; }
.brand { font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none; }
nav a { color: var(--mute); margin-left: 14px; font-size: 14px; }
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 6px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
.updated { color: var(--mute); font-size: 14px; margin: 0 0 24px; }
a { color: var(--accent); }
ul { padding-left: 22px; }
li { margin: 4px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; margin: 16px 0; }
footer { margin-top: 48px; color: var(--mute); font-size: 14px; border-top: 1px solid var(--line); padding-top: 16px; }
footer a { color: var(--mute); margin-right: 14px; }