:root{--bg:#ffffff;--fg:#1a1a1a;--muted:#5f6670;--line:#e6e8eb;--accent:#208aef;--card:#f6f8fa;--max:720px}
@media (prefers-color-scheme:dark){:root{--bg:#121416;--fg:#f2f3f4;--muted:#a0a7b0;--line:#2a2f35;--accent:#5aa9f5;--card:#1b1f24}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR","Segoe UI",Roboto,sans-serif;word-break:keep-all}
header,main,footer{max-width:var(--max);margin:0 auto;padding:0 16px}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:20px;padding-bottom:12px;border-bottom:1px solid var(--line)}
header .brand{font-weight:700;text-decoration:none;color:var(--fg);font-size:18px}
nav a{color:var(--muted);text-decoration:none;margin-left:14px;font-size:14px}nav a:hover,nav a[aria-current]{color:var(--accent)}
main{padding-top:28px;padding-bottom:48px}
h1{font-size:26px;line-height:1.3;margin:0 0 6px}h2{font-size:18px;margin:32px 0 10px}
p,li{margin:8px 0}a{color:var(--accent)}
.meta{color:var(--muted);font-size:14px}
table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0}th,td{text-align:left;vertical-align:top;padding:8px 6px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:16px 0}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;background:var(--card);padding:1px 5px;border-radius:5px}
footer{color:var(--muted);font-size:13px;padding-bottom:40px;border-top:1px solid var(--line);padding-top:16px}
.cta{display:inline-block;margin-top:12px;padding:10px 16px;border-radius:10px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600}
@media (max-width:480px){h1{font-size:22px}nav a{margin-left:10px;font-size:13px}}