:root {
  --bg: #f7f7f5; --fg: #1d1f21; --muted: #5f6368; --line: #d9dbde; --card: #ffffff; --accent: #2a5d9f; --code: #eef0f2;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #15171a; --fg: #e6e6e3; --muted: #9aa0a6; --line: #30343a; --card: #1d2024; --accent: #7fa8e0; --code: #24282d; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
header, main, footer { max-width: 52rem; margin: 0 auto; padding: 0 16px; }
header { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; padding-top: 1.25rem; }
h1 { font-size: 1.5rem; margin: 0; }
h1 .sub { font-size: 1rem; font-weight: 400; color: var(--muted); }
h2 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; }
nav { color: var(--muted); font-size: 0.9rem; }
a { color: var(--accent); }
button { font: inherit; padding: 0.4rem 0.9rem; border: 1px solid var(--accent); background: var(--accent); color: #fff; border-radius: 6px; cursor: pointer; }
button.link { background: none; color: var(--accent); border: none; padding: 0 0 0 0.5rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 0.75rem 1rem; margin: 0.5rem 0; }
.card p { margin: 0.4rem 0; }
.soon { border-style: dashed; color: var(--muted); }
.muted { color: var(--muted); font-size: 0.9rem; }
pre { background: var(--code); border-radius: 6px; padding: 0.6rem 0.8rem; overflow-x: auto; margin: 0.5rem 0; }
code { font: 0.9rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
#status { color: var(--muted); min-height: 1.5em; }
footer { color: var(--muted); font-size: 0.9rem; padding-top: 2rem; padding-bottom: 2rem; }