/* gatebound guide — shares the landing page's tokens (public/index.html). */
:root{
  --bg:#FBF9F5; --surface:#FFFFFF; --ink:#12312E; --muted:#6B6459; --faint:#8C8577;
  --line:#DCD5C8; --accent:#1F6F5C; --accent-soft:#E4F0EB; --gold:#B7862B;
  --code-bg:#12312E; --code-ink:#E8F1EE; --inline-code:#F1EDE5;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0E1716; --surface:#152220; --ink:#E6EEEC; --muted:#A9B3AF; --faint:#7F8B87;
    --line:#26403C; --accent:#5CC4A4; --accent-soft:#183A33; --gold:#E9C46A;
    --code-bg:#0A1110; --code-ink:#D9E8E3; --inline-code:#1B2C29;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:16px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 var(--sans)}
html[lang="ko"] body{word-break:keep-all;overflow-wrap:anywhere}
a{color:var(--accent)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:16px}

/* header — same shape as the landing page */
header.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 0;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink);text-decoration:none;letter-spacing:-.01em;flex:none}
.brand svg{width:28px;height:28px}
nav{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end}
nav > a{color:var(--muted);text-decoration:none;margin-left:20px;font-size:15px}
nav > a:hover,nav > a[aria-current="page"]{color:var(--ink)}
.langs{display:inline-flex;margin-left:20px;border:1.5px solid var(--line);border-radius:999px;padding:2px}
nav .langs a{margin:0;padding:3px 10px;border-radius:999px;font:600 12px/1.4 var(--mono);color:var(--muted);text-decoration:none;letter-spacing:.04em}
nav .langs a[aria-current="page"]{background:var(--ink);color:var(--bg)}
nav .langs a:not([aria-current]):hover{color:var(--ink)}
nav a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* layout */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;padding-top:32px;padding-bottom:24px}
main{min-width:0}
.toc{min-width:0}
.map-box{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow:auto;padding-right:4px}
.map-box summary{cursor:pointer;font:600 12px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:6px 0 12px;list-style:none}
.map-box summary::-webkit-details-marker{display:none}
.map-box summary::after{content:" +";color:var(--faint)}
.map-box[open] summary::after{content:" −"}
.map-home{display:block;font-size:14px;color:var(--muted);text-decoration:none;padding:4px 8px;margin-bottom:4px;border-radius:8px}
.map-home:hover,.map-home[aria-current="page"]{color:var(--ink);background:var(--accent-soft)}
.map,.sec{list-style:none;margin:0;padding:0}
.map > li > a{display:flex;gap:10px;font-size:14px;line-height:1.4;color:var(--muted);text-decoration:none;padding:6px 8px;border-radius:8px}
.map > li > a:hover{color:var(--ink)}
.map .n{font:600 12px/1.6 var(--mono);color:var(--faint);flex:none}
.map li.cur > a{background:var(--accent-soft);color:var(--ink);font-weight:600}
.map li.cur .n{color:var(--accent)}
.sec{margin:4px 0 8px 30px;border-left:1.5px solid var(--line)}
.sec a{display:block;font-size:13px;line-height:1.4;color:var(--muted);text-decoration:none;padding:4px 10px}
.sec a:hover{color:var(--accent)}

/* article */
article{max-width:76ch;min-width:0}
.eyebrow{display:inline-block;font:600 13px/1 var(--mono);color:var(--accent);background:var(--accent-soft);padding:7px 10px;border-radius:999px;margin-bottom:18px}
article h1{font-size:clamp(30px,4.6vw,44px);line-height:1.1;letter-spacing:-.025em;margin:0 0 16px}
html[lang="ko"] article h1{letter-spacing:-.012em;line-height:1.2}
.lead{font-size:clamp(17px,2vw,19px);color:var(--muted);margin:0 0 12px}
.langnote{font-size:14px;color:var(--muted)}
.meta{font:12.5px/1.5 var(--mono);color:var(--faint);margin:0 0 28px;padding-bottom:20px;border-bottom:1px solid var(--line)}
article h2{font-size:clamp(23px,3vw,28px);letter-spacing:-.015em;line-height:1.2;margin:44px 0 12px}
article h3{font-size:19px;line-height:1.3;margin:32px 0 10px}
article h4{font-size:16px;margin:24px 0 8px}
article h2,article h3,article h4{position:relative}
.anchor{margin-left:8px;color:var(--faint);text-decoration:none;opacity:0;font-weight:400}
h2:hover .anchor,h3:hover .anchor,h4:hover .anchor,.anchor:focus{opacity:1}
article p,article li{overflow-wrap:break-word}
article ul,article ol{padding-left:1.4em}
article li{margin:4px 0}
article li > .code,article li > .table-wrap{margin:10px 0}
code{font-family:var(--mono);font-size:.88em}
:not(pre) > code{background:var(--inline-code);border-radius:5px;padding:.1em .35em;overflow-wrap:anywhere;word-break:break-word}
a > code{color:var(--accent)}
strong{font-weight:650}
blockquote{margin:20px 0;padding:12px 18px;background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:0 12px 12px 0}
blockquote p{margin:6px 0}
hr{border:0;border-top:1px solid var(--line);margin:32px 0}
img{max-width:100%;height:auto;display:block;margin:20px 0;border:1px solid var(--line);border-radius:12px}

/* code blocks — like the landing page terminal */
.code{position:relative;margin:16px 0;background:var(--code-bg);border:1px solid var(--line);border-radius:12px;max-width:100%}
.code pre{margin:0;padding:16px 18px;overflow-x:auto;color:var(--code-ink);font:13.5px/1.6 var(--mono)}
.code pre code{font-size:inherit;background:none;padding:0}
.code-lang{display:none}
.code .copy{position:absolute;top:14px;right:12px;font:600 12px var(--sans);background:rgba(255,255,255,.1);color:var(--code-ink);border:1px solid rgba(255,255,255,.2);border-radius:6px;padding:4px 9px;cursor:pointer}
.code .copy:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.code:has(.copy) pre{padding-right:84px}

/* tables */
.table-wrap{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:14.5px;line-height:1.55}
th,td{text-align:left;vertical-align:top;padding:10px 14px;border-bottom:1px solid var(--line);min-width:9em}
th{font-weight:600;background:var(--accent-soft);white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
td code{overflow-wrap:normal;word-break:normal}

/* pager */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:56px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.pager a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;color:var(--ink);text-decoration:none;font-weight:600;min-width:0}
.pager a span{display:block;font:500 12.5px/1.4 var(--sans);color:var(--muted);margin-bottom:4px}
.pager a:hover{border-color:var(--accent)}
.pager .next{text-align:right;grid-column:2}

/* footer — same as the landing page */
footer{border-top:1px solid var(--line);padding:32px 0 48px;color:var(--muted);font-size:14px;margin-top:24px}
footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
footer a{color:var(--muted)}

@media (max-width:900px){
  .layout{grid-template-columns:minmax(0,1fr);gap:20px;padding-top:20px}
  .map-box{position:static;max-height:none;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 14px}
  .map-box summary{padding:6px 0}
  .map-box[open] summary{padding-bottom:10px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  nav > a:not(.keep){display:none}
  nav > a{margin-left:12px}
  .langs{margin-left:12px}
  .code pre{font-size:12.5px;padding:14px}
  .code:has(.copy) pre{padding-right:80px}
  .code .copy{top:12px}
  th,td{padding:8px 10px;min-width:7em}
  .pager{grid-template-columns:1fr}
  .pager .next{grid-column:1}
}