:root {
  --bg: #f8f6ef;
  --card: #ffffff;
  --ink: #1f2a24;
  --muted: #55615a;
  --line: #c9d2c4;
  --green: #2f5e48;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141a17;
    --card: #1d2520;
    --ink: #eef2ec;
    --muted: #a9b5ad;
    --line: #34413a;
    --green: #8fc4a8;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 18px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 42rem; margin: 0 auto; padding: 2rem max(1.25rem, env(safe-area-inset-left)) 4rem; }
header { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.5rem; }
header img { width: 56px; height: 56px; border-radius: 13px; }
header .name { font-weight: 700; font-size: 1.35rem; }
header .tag { color: var(--muted); font-size: 0.95rem; }
nav { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
nav a {
  padding: 0.5rem 1rem; border: 1px solid var(--line); border-radius: 999px;
  color: var(--ink); text-decoration: none; background: var(--card); min-height: 44px; display: inline-flex; align-items: center;
}
nav a[aria-current="page"] { border-color: var(--green); color: var(--green); font-weight: 600; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.25rem; text-wrap: balance; }
h2 { font-size: 1.2rem; margin: 2rem 0 0.4rem; }
.date { color: var(--muted); margin: 0 0 1.5rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 1.25rem 1.4rem; }
a { color: var(--green); }
ul { padding-left: 1.2rem; }
li { margin: 0.35rem 0; }
footer { margin-top: 3rem; color: var(--muted); font-size: 0.9rem; }