/* 포토보드 공통: 상단 바 + 본문 문서 + 하단 정보. 도구 화면의 색 토큰과 같은 값을 씁니다. */
:root{
  --bg:#EEF0EC; --panel:#FAFBF8; --ink:#1D2320; --muted:#5D6762; --line:#CFD5CF;
  --accent:#1F6F6A; --accent-ink:#FFFFFF; --accent-soft:#D9ECEA; --mark:#E7C24A; --danger:#A8432F;
  --paper:#FFFFFF; --shadow:rgba(29,35,32,.12);
  --f-ui:"IBM Plex Sans KR","Malgun Gothic","Apple SD Gothic Neo",system-ui,sans-serif;
  --f-num:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#151A18; --panel:#1D2421; --ink:#E6EBE7; --muted:#9AA6A0; --line:#34403B;
  --accent:#5DB8AF; --accent-ink:#0E1513; --accent-soft:#21403D; --mark:#D9B23C; --danger:#E08A74;
  --paper:#FFFFFF; --shadow:rgba(0,0,0,.45); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#151A18; --panel:#1D2421; --ink:#E6EBE7; --muted:#9AA6A0; --line:#34403B;
  --accent:#5DB8AF; --accent-ink:#0E1513; --accent-soft:#21403D; --mark:#D9B23C; --danger:#E08A74;
  --paper:#FFFFFF; --shadow:rgba(0,0,0,.45); color-scheme:dark}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-ui);font-size:15px;line-height:1.6}
a{color:var(--accent)}
img{max-width:100%}
[hidden]{display:none!important}
.sitebar{background:var(--panel);border-bottom:1px solid var(--line)}
.sitebar .in,.sitefoot .in,.doc{max-width:1360px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.sitebar .in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 22px;padding-block:10px}
.brand{display:flex;align-items:baseline;gap:8px;text-decoration:none;color:var(--ink)}
.brand b{font-size:19px;letter-spacing:-.01em}
.brand span{font-size:12px;color:var(--muted)}
.brand svg{width:22px;height:22px;align-self:center}
.sitefoot{border-top:1px solid var(--line);margin-top:24px;color:var(--muted);font-size:13px}
.sitefoot .in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 20px;padding-block:18px 28px}
.sitefoot a{color:var(--muted)}
.doc{max-width:760px;padding-block:28px 12px}
.doc h1{font-size:26px;line-height:1.3;margin:0 0 6px;text-wrap:balance}
.doc .lead{color:var(--muted);margin:0 0 24px}
.doc h2{font-size:19px;margin:34px 0 8px;padding-top:6px;border-top:1px solid var(--line);text-wrap:balance}
.doc h3{font-size:16px;margin:22px 0 6px}
.doc p,.doc li{max-width:65ch}
.doc ol,.doc ul{padding-left:1.3em}
.doc li{margin:4px 0}
.doc table{border-collapse:collapse;width:100%;font-size:14px;margin:10px 0}
.doc th,.doc td{border:1px solid var(--line);padding:6px 9px;text-align:left;vertical-align:top}
.doc th{background:var(--accent-soft);font-weight:600}
.tablewrap{overflow-x:auto}
.tip{background:color-mix(in srgb,var(--mark) 20%,transparent);border-left:3px solid var(--mark);padding:8px 12px;border-radius:0 4px 4px 0;font-size:14px}
.cta{display:inline-block;margin-top:8px;font-weight:600;background:var(--accent);color:var(--accent-ink);text-decoration:none;padding:9px 16px;border-radius:6px}
details{border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:10px 14px;margin:8px 0}
details summary{cursor:pointer;font-weight:600}
details[open] summary{margin-bottom:6px}
.mail{font-family:var(--f-num);font-size:15px;background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:4px 8px;user-select:all}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 상단: 안내 링크 + 색깔 도구 탭 ---------- */
:root{--c-sheet:#1F6F6A;--c-form:#3B5BA9;--c-press:#C8611A;--c-size:#7B52B3;--c-merge:#B83C63;--c-book:#5E7D2A;--c-pdf:#B0302B;--c-mosaic:#4A5560;--c-idp:#2F6FA6}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--c-sheet:#4FB3A9;--c-form:#7F9BE0;--c-press:#F0965A;--c-size:#B193E6;--c-merge:#EC7FA2;--c-book:#A9C86E;--c-pdf:#F07A73;--c-mosaic:#A9B4BF;--c-idp:#7DB5E6}}
:root[data-theme="dark"]{--c-sheet:#4FB3A9;--c-form:#7F9BE0;--c-press:#F0965A;--c-size:#B193E6;--c-merge:#EC7FA2;--c-book:#A9C86E;--c-pdf:#F07A73;--c-mosaic:#A9B4BF;--c-idp:#7DB5E6}
.brand{align-items:center}
.infonav{display:flex;gap:4px 14px;font-size:13px}
.infonav a{color:var(--muted);text-decoration:none}
.infonav a:hover,.infonav a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.toolstrip{border-top:1px solid var(--line)}
.sitebar .toolstrip .in{display:flex;flex-wrap:nowrap;justify-content:flex-start;gap:4px;overflow-x:auto;scrollbar-width:none;padding-block:0;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent)}
@media (min-width:900px){.sitebar .toolstrip .in{-webkit-mask-image:none;mask-image:none;flex-wrap:wrap;overflow:visible;row-gap:0}.tt{padding:8px 10px 7px}}
.toolstrip .in::-webkit-scrollbar{display:none}
.tt{--c:var(--accent);flex:0 0 auto;display:flex;align-items:center;gap:8px;padding:9px 12px 8px;color:var(--ink);text-decoration:none;font-size:14px;font-weight:500;white-space:nowrap;border-bottom:3px solid transparent}
.tt:hover{background:color-mix(in srgb,var(--c) 8%,transparent)}
.tt[aria-current="page"]{border-bottom-color:var(--c);font-weight:700;background:color-mix(in srgb,var(--c) 10%,transparent)}
.tt .ti{color:#fff;width:26px;height:26px;border-radius:7px;background:var(--c);display:grid;place-items:center;flex:0 0 auto}
.tt svg{width:17px;height:17px;fill:none;stroke:#fff;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.tt .hot{font-style:normal;font-size:11px;font-weight:700;color:#fff;background:var(--c-press);border-radius:999px;padding:1px 7px;margin-left:-2px}
.tt-sheet{--c:var(--c-sheet)}.tt-form{--c:var(--c-form)}.tt-press{--c:var(--c-press)}.tt-size{--c:var(--c-size)}.tt-merge{--c:var(--c-merge)}.tt-book{--c:var(--c-book)}.tt-pdf{--c:var(--c-pdf)}.tt-mosaic{--c:var(--c-mosaic)}.tt-idp{--c:var(--c-idp)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .tt svg{stroke:#10161a}}
:root[data-theme="dark"] .tt svg{stroke:#10161a}
@media (max-width:640px){.sitebar .in{padding-block:8px}.brand span{display:none}.tt{padding:8px 10px 7px;font-size:13px;gap:6px}.tt .ti{width:24px;height:24px}}