:root {
  --bg: #f6f6f3; --card: #ffffff; --ink: #1a1b1e; --muted: #5d6068; --line: #dfe0da; --link: #1d4fbf;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #15171a; --card: #1c1f23; --ink: #eceeea; --muted: #a0a5ad; --line: #2e3238; --link: #8db0ff; color-scheme: dark; }
}
* { box-sizing: border-box }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 720px; margin: 0 auto; padding-left: max(18px, env(safe-area-inset-left)); padding-right: max(18px, env(safe-area-inset-right)); }
.top { border-bottom: 1px solid var(--line); background: var(--card); }
.top .wrap { display: flex; gap: 14px; align-items: center; min-height: 56px; }
.brand { font-weight: 700; color: var(--ink); text-decoration: none; }
.app { color: var(--muted); text-decoration: none; }
.app::before { content: "/ "; }
main { padding-block: 28px 40px; }
nav { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 22px; }
nav a { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); text-decoration: none; font-size: 14px; background: var(--card); }
nav a[aria-current="page"] { border-color: var(--ink); font-weight: 600; }
h1 { font-size: clamp(26px, 5vw, 34px); line-height: 1.2; margin: 0 0 10px; text-wrap: balance; }
h2 { font-size: 19px; margin: 30px 0 6px; }
.lead { font-size: 18px; color: var(--muted); margin-top: 0; }
a { color: var(--link); text-underline-offset: 2px; }
ul { padding-left: 1.2em; }
li { margin: 4px 0; }
.cards { list-style: none; padding: 0; display: grid; gap: 10px; }
.cards a { display: grid; gap: 2px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); text-decoration: none; }
.cards span { color: var(--muted); font-size: 15px; }
.updated { color: var(--muted); font-size: 14px; margin-top: 34px; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding-block: 18px 30px; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }