:root {
  --bg: #f7f6f3; --fg: #1d1d1b; --muted: #6d6a63; --card: #ffffff;
  --line: #e3e0d8; --accent: #7a5c9e; --ok: #2e7d4f; --warn: #a05a1c;
  font-size: 16px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161513; --fg: #ece9e2; --muted: #97938a; --card: #201f1c;
          --line: #35332e; --accent: #b79ad6; --ok: #6fbf8f; --warn: #d99a5b; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.55 -apple-system, "Segoe UI", Roboto, sans-serif; }
header { display: flex; align-items: baseline; gap: 1.2rem; padding: .8rem 1rem;
  border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); }
.mark { font-weight: 700; letter-spacing: .06em; color: var(--accent); text-decoration: none; }
.proj { color: var(--muted); font-size: .9rem; margin-left: -.3rem; }
nav { display: flex; gap: .9rem; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; padding: .1rem 0; }
nav a.active { color: var(--fg); border-bottom: 2px solid var(--accent); }
main { max-width: 62rem; margin: 0 auto; padding: 1rem; }
footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 1.5rem 0 2rem; }
.banner { font-size: .85rem; padding: .4rem .7rem; border-radius: .4rem; }
.banner.ok { background: color-mix(in srgb, var(--ok) 12%, transparent); }
.banner.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { text-align: left; padding: .45rem .5rem; border-bottom: 1px solid var(--line);
  vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; }
tr.section td { background: color-mix(in srgb, var(--accent) 8%, transparent);
  font-weight: 600; font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; }
a { color: var(--accent); }
td a { text-decoration: none; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: .6rem;
  padding: 1rem 1.2rem; margin: .8rem 0; overflow-wrap: anywhere; }
.meta { color: var(--muted); font-size: .85rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.pill { display: inline-block; padding: 0 .5rem; border-radius: 1rem; font-size: .75rem;
  border: 1px solid var(--line); color: var(--muted); }
.pill.open { color: var(--ok); border-color: var(--ok); }
.pill.superseded, .pill.done { text-decoration: line-through; }
.md pre, .md code { background: color-mix(in srgb, var(--fg) 7%, transparent);
  border-radius: .3rem; padding: 0 .25rem; font-size: .88em; overflow-x: auto; }
.md pre { padding: .6rem; }
.md table { font-size: .85rem; }
.md h1, .md h2, .md h3 { line-height: 1.25; }
.events li { margin: .25rem 0; }
.events time { color: var(--muted); font-size: .8rem; margin-right: .5rem; }
input, button { font: inherit; padding: .45rem .7rem; border-radius: .4rem;
  border: 1px solid var(--line); background: var(--card); color: var(--fg); }
button { background: var(--accent); color: #fff; border: none; cursor: pointer; }
@media (max-width: 640px) {
  main { padding: .6rem; }
  th.hide-sm, td.hide-sm { display: none; }
}