:root{--bg:#fff;--fg:#1c1c1a;--muted:#6b6b66;--line:#e3e3de;--accent:#b4551f}
@media (prefers-color-scheme:dark){:root{--bg:#14140f;--fg:#eceae4;--muted:#9c9a92;--line:#2e2e28;--accent:#e08a4e}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-text-size-adjust:100%}
.wrap{max-width:46rem;margin:0 auto;padding:3rem 1.25rem 5rem}
header{border-bottom:1px solid var(--line);padding-bottom:1.5rem;margin-bottom:2.5rem}
.mark{font-size:1.35rem;font-weight:600;letter-spacing:-.01em;text-decoration:none;color:var(--fg)}
.mark span{color:var(--accent)}
nav{margin-top:.75rem;font-size:.95rem}
nav a{color:var(--muted);text-decoration:none;margin-right:1.25rem}
nav a:hover{color:var(--accent)}
h1{font-size:1.9rem;line-height:1.25;letter-spacing:-.02em;margin:0 0 .5rem}
h2{font-size:1.15rem;margin:2.5rem 0 .75rem;letter-spacing:-.01em}
.lead{color:var(--muted);margin-top:0}
.date{color:var(--muted);font-size:.9rem}
ul{padding-left:1.25rem}
li{margin-bottom:.4rem}
table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.95rem}
th,td{text-align:left;padding:.6rem .75rem .6rem 0;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600}
a{color:var(--accent)}
footer{margin-top:4rem;padding-top:1.5rem;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}