:root {
  --bg: #fff;
  --panel: #f4f6f9;
  --fg: #1c2330;
  --mute: #5b6678;
  --line: #d9dee6;
  --link: #0a4ea3;
  --head: #4f6d8f;
  --headfg: #fff;
  --row: #f7f9fc;
  --hl: #fff1b8;
  --badge: #e3e9f2;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #13171e;
    --panel: #1a2029;
    --fg: #dde4ee;
    --mute: #8d99ac;
    --line: #2a3240;
    --link: #7db3ff;
    --head: #2d4560;
    --headfg: #e6edf7;
    --row: #171c24;
    --hl: #4a3f12;
    --badge: #26303f;
  }
}
html { scroll-padding-top: env(safe-area-inset-top, 0px); }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 Georgia, "Times New Roman", serif;
  display: flex;
  flex-direction: column;
}
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px);
  background: var(--head);
  z-index: 10;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 1px; }

header {
  background: var(--head);
  color: var(--headfg);
  padding: 10px 16px;
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  font: 13px system-ui, sans-serif;
}
header a { color: inherit; }
header .brand { font: 700 17px/1.2 system-ui, sans-serif; }
header #stamp { margin-left: auto; opacity: .85; }

.wrap {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(220px, 330px) 1fr;
}
aside {
  border-right: 1px solid var(--line);
  background: var(--panel);
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.tools { padding: 10px; border-bottom: 1px solid var(--line); font: 13px system-ui, sans-serif; }
.tools input[type=search] {
  width: 100%;
  box-sizing: border-box;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--bg);
  color: var(--fg);
  font: 14px system-ui, sans-serif;
}
.tools label { display: block; margin-top: 6px; color: var(--mute); }
#list {
  overflow: auto;
  flex: 1;
  padding: 6px 0;
  font: 13.5px/1.45 ui-monospace, Consolas, monospace;
}
#list h3 { font: 700 12px system-ui, sans-serif; color: var(--mute); margin: 10px 12px 4px; }
#list a {
  display: block;
  padding: 1px 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--fg);
}
#list a:hover { background: var(--badge); text-decoration: none; }
#list a[aria-current] { background: var(--badge); font-weight: 700; }
.b {
  display: inline-block;
  width: 16px;
  margin-right: 6px;
  text-align: center;
  background: var(--badge);
  color: var(--mute);
  border-radius: 2px;
  font-size: 11px;
}
#list a[aria-current] .b { background: var(--bg); }

main { overflow: auto; padding: 20px 28px 60px; min-width: 0; }
main h1 { font: 700 28px/1.2 Georgia, serif; margin: 4px 0 14px; }
main h2 {
  font: 700 14px system-ui, sans-serif;
  background: var(--head);
  color: var(--headfg);
  padding: 6px 10px;
  margin: 26px 0 0;
  border-radius: 3px 3px 0 0;
}
.muted, .pkg { color: var(--mute); }
.pkg { font: 13px ui-monospace, Consolas, monospace; overflow-wrap: anywhere; }
pre.tree {
  background: var(--row);
  border: 1px solid var(--line);
  padding: 10px 14px;
  font: 13.5px/1.5 ui-monospace, Consolas, monospace;
  overflow: auto;
  margin: 0;
}
.sub { margin: 10px 0; font-size: 14px; }
.tw { overflow-x: auto; border: 1px solid var(--line); border-top: 0; }
table { border-collapse: collapse; width: 100%; font: 13.5px/1.45 ui-monospace, Consolas, monospace; }
td { padding: 5px 10px; border-top: 1px solid var(--line); vertical-align: top; }
tr:first-child td { border-top: 0; }
tr:nth-child(even) td { background: var(--row); }
td.t { white-space: nowrap; width: 1%; text-align: right; }
td.o { white-space: nowrap; width: 1%; color: var(--mute); }
tr.hl td { background: var(--hl); }
a.anc { color: var(--fg); font-weight: 700; }
a.anc::before { content: "#"; margin-right: 2px; color: var(--mute); opacity: 0; }
tr:hover a.anc::before, tr.hl a.anc::before { opacity: 1; }
.empty { color: var(--mute); padding: 10px; border: 1px solid var(--line); border-top: 0; font: 13px system-ui, sans-serif; }
details { margin: 8px 0; font-size: 13.5px; }
summary { cursor: pointer; font: 600 13px system-ui, sans-serif; }
details p { margin: 6px 0 6px 14px; font: 13px/1.6 ui-monospace, Consolas, monospace; overflow-wrap: anywhere; }
.inh { padding: 6px 10px; }
.intro { max-width: 70ch; }
.stats { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 12px 0 8px; font: 14px system-ui, sans-serif; }
.stats b { font-size: 20px; display: block; }

@media (max-width: 720px) {
  .wrap { grid-template-columns: 1fr; grid-template-rows: 42% 1fr; }
  aside { border-right: 0; border-bottom: 1px solid var(--line); }
  main { padding: 16px; }
  header #stamp { margin-left: 0; }
}