:root{
  --bg:#ffffff; --panel:#f5f6f8; --ink:#1d2330; --muted:#5b6474;
  --line:#dde1e7; --accent:#1f5fbf; --ticket:#fbf6ee; --ticket-line:#e9d9bd;
  color-scheme: light;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#15181e; --panel:#1c2028; --ink:#e7eaf0; --muted:#9aa3b2;
    --line:#2c323d; --accent:#7fb0ff; --ticket:#221e17; --ticket-line:#4a3f2c;
    color-scheme: dark;
  }
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent)}
a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.top{border-bottom:1px solid var(--line);padding:16px 24px;display:flex;flex-wrap:wrap;gap:4px 16px;align-items:baseline}
.brand{font-weight:700;font-size:1.1rem;color:var(--ink);text-decoration:none}
.sub{color:var(--muted);font-size:.9rem}
.wrap{display:grid;grid-template-columns:280px minmax(0,1fr);max-width:1100px;margin:0 auto}
nav{border-right:1px solid var(--line);padding:20px 12px;background:var(--panel);min-height:calc(100vh - 60px)}
nav ul{list-style:none;margin:0;padding:0}
nav a{display:flex;gap:10px;padding:8px 10px;border-radius:6px;color:var(--ink);text-decoration:none;font-size:.92rem;line-height:1.35}
nav a:hover{background:var(--line)}
nav a[aria-current="page"]{background:var(--accent);color:var(--bg)}
.n{font-variant-numeric:tabular-nums;font-weight:700;min-width:1ch}
main{padding:28px 36px 60px;max-width:760px}
h1{font-size:1.7rem;line-height:1.25;margin:.2em 0 .8em}
h2{font-size:1.1rem;margin:2em 0 .5em}
.qnum{color:var(--muted);margin:0;font-size:.9rem}
.ticket{background:var(--ticket);border:1px solid var(--ticket-line);border-radius:8px;padding:4px 18px 14px}
.ticket h2{margin-top:1em}
pre{white-space:pre-wrap;word-wrap:break-word;margin:0;font:inherit}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em}
pre.code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88rem;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:12px;overflow-x:auto;white-space:pre}
.todo{color:var(--muted);font-style:italic}
.tickets{padding-left:0;list-style:none}
.tickets a{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.tickets a:hover{color:var(--accent)}
.meta{margin-top:2.5em;color:var(--muted)}
.pager{display:flex;justify-content:space-between;margin-top:3em;padding-top:16px;border-top:1px solid var(--line)}
@media (max-width:760px){
  .wrap{grid-template-columns:1fr}
  nav{min-height:0;border-right:0;border-bottom:1px solid var(--line)}
  main{padding:20px 18px 48px}
}