/* SETLOG shared site styles: navigation, footer, guide/article pages */
:root{--ember:#E8843C;--ember-deep:#C2561F;--bg:#F3F1EE;--card:#FFFFFF;--text:#201C18;--muted:#6B655D;--line:rgba(0,0,0,.09);--mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;--sans:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Segoe UI",sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#131110;--card:#1C1917;--text:#EDEAE6;--muted:#A39D94;--line:rgba(255,255,255,.08)}}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.65;max-width:720px;margin:0 auto;padding:28px 20px 64px}
a{color:var(--ember-deep);text-decoration:none}
@media (prefers-color-scheme:dark){a{color:var(--ember)}}
a:hover{text-decoration:underline}
a:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:2px}
img{max-width:100%}

/* header / nav */
.site-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 20px;margin-bottom:36px}
.site-header .wordmark{font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.28em;color:var(--text)}
.site-header .wordmark b{color:var(--ember);font-weight:700}
.site-nav{display:flex;flex-wrap:wrap;gap:6px 14px;font-family:var(--mono);font-size:12px}
.site-nav a{color:var(--muted);padding:2px 0}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--ember);text-decoration:none}
.site-nav a[aria-current="page"]{border-bottom:1px solid var(--ember)}

/* footer */
.site-footer{margin-top:56px;padding-top:18px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--muted)}
.site-footer .links{display:flex;flex-wrap:wrap;gap:6px 14px;margin-bottom:10px}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--ember)}

/* page heading */
h1{font-size:36px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.sub{color:var(--muted);margin:10px 0 0;font-size:17px}
.eyebrow{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.eyebrow::before{content:"— ";color:var(--ember)}
.crumbs{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}

/* article body */
.article{margin-top:32px}
.article h2{font-size:22px;font-weight:700;margin:40px 0 12px;line-height:1.3}
.article h3{font-size:17px;font-weight:700;margin:24px 0 8px}
.article p{font-size:16px;margin-bottom:14px;line-height:1.75}
.article ul,.article ol{margin:0 0 16px 22px;font-size:16px}
.article li{margin-bottom:8px;line-height:1.7}
.article .lang-ko{border-top:1px solid var(--line);margin-top:48px;padding-top:8px}
.lang-switch{font-family:var(--mono);font-size:12px;margin:14px 0 0;color:var(--muted)}
.callout{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--ember);border-radius:10px;padding:14px 18px;margin:18px 0;font-size:15px}
.callout p{margin:0;font-size:15px}
.app-head{display:flex;gap:16px;align-items:center;margin:0 0 8px}
.app-head img{width:64px;height:64px;border-radius:14px;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.store-links{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}
.store-links a,.btn{font-family:var(--mono);font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:6px 12px;background:var(--card)}
.store-links a:hover,.btn:hover{color:var(--ember);border-color:var(--ember);text-decoration:none}
.related{margin-top:48px;padding-top:8px;border-top:1px solid var(--line)}
.related ul{list-style:none;margin:0}
.related li{margin-bottom:6px}

/* guide index cards */
.cards{display:grid;gap:12px;margin-top:8px}
.gcard{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;color:var(--text)}
.gcard:hover{border-color:var(--ember);text-decoration:none}
.gcard b{display:block;font-size:16px;margin-bottom:4px}
.gcard span{display:block;font-size:13.5px;color:var(--muted);line-height:1.55}
section.block{margin-top:44px}
@media (max-width:480px){h1{font-size:28px}.article h2{font-size:20px}}
.site-footer{display:block}
.site-header{display:flex}

/* ---- guide upgrade: toc, tables, figures, tools, trust boxes ---- */
.meta-line{font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:12px}
.toc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:22px 0}
.toc b{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--muted);display:block;margin-bottom:6px}
.toc ol{margin:0 0 0 20px;font-size:14.5px}.toc li{margin-bottom:3px}
.tbl-wrap{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:10px;background:var(--card)}
.tbl-wrap table{border-collapse:collapse;width:100%;min-width:560px;font-size:14px}
.tbl-wrap th,.tbl-wrap td{padding:9px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);line-height:1.5}
.tbl-wrap th{font-size:12.5px;color:var(--muted);font-weight:700;background:rgba(0,0,0,.025)}
.tbl-wrap tr:last-child td{border-bottom:0}
.tbl-wrap caption{caption-side:top;text-align:left;padding:10px 12px 0;font-size:13px;color:var(--muted)}
.shots{display:flex;gap:12px;overflow-x:auto;margin:18px 0;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.shots figure{flex:0 0 auto;margin:0;width:200px}
.shots figure.wide{width:min(100%,520px)}
.shots img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}
.shots figcaption,figure.one figcaption{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.5}
figure.one{margin:18px 0}figure.one img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}
figure.one.phone img{max-width:260px}
.diagram{margin:18px 0;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px}
.diagram svg{display:block;width:100%;height:auto}
.tool{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--ember);border-radius:12px;padding:16px 18px;margin:22px 0}
.tool h3{margin:0 0 4px!important;font-size:17px}
.tool .tool-desc{font-size:13.5px!important;color:var(--muted);margin-bottom:12px!important}
.tool label{display:block;font-size:13.5px;font-weight:600;margin:10px 0 4px}
.tool input,.tool select{font:inherit;font-size:16px;width:100%;max-width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text)}
.tool input:focus-visible,.tool select:focus-visible,.tool button:focus-visible{outline:2px solid var(--ember);outline-offset:2px}
.tool .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
.tool button{font:inherit;font-size:14px;cursor:pointer;border:1px solid var(--line);background:var(--card);color:var(--text);border-radius:8px;padding:8px 14px;margin:8px 8px 0 0}
.tool button.primary{background:var(--ember);border-color:var(--ember);color:#fff;font-weight:700}
.tool button:hover{border-color:var(--ember)}
.tool .out{margin-top:14px;padding:12px 14px;border-radius:8px;background:rgba(232,132,60,.10);font-size:15px;line-height:1.6}
.tool .out b{font-family:var(--mono)}
.tool .out p{margin:0 0 6px;font-size:15px}
.tool .err{color:#B3261E}
.tool fieldset{border:0;margin:10px 0 0}.tool legend{font-size:13.5px;font-weight:600;margin-bottom:4px}
.tool .opt{display:flex;gap:8px;align-items:flex-start;font-weight:400;margin:4px 0}.tool .opt input{width:auto;margin-top:5px}
.author-box{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:36px 0 0;font-size:14px}
.author-box img{width:48px;height:48px;border-radius:11px;flex:0 0 auto}
.author-box p{margin:0 0 4px!important;font-size:14px!important;line-height:1.6!important}
.sources{font-size:13.5px}.sources li{margin-bottom:5px;word-break:break-word}
.fit{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:14px 0}
.fit>div{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14.5px}
.fit h4{font-size:14px;margin-bottom:6px}.fit ul{margin:0 0 0 18px;font-size:14.5px}.fit li{margin-bottom:4px}
details.faq{border-bottom:1px solid var(--line);padding:8px 0}details.faq summary{cursor:pointer;font-weight:700;font-size:15.5px}details.faq p{margin:8px 0 0}
.toc-ko-en{font-size:13px;color:var(--muted)}
.article pre{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:12px 14px;overflow-x:auto;font-size:13px;line-height:1.55;margin:12px 0}
.article code{font-family:var(--mono);font-size:.92em}
.article :not(pre)>code{background:rgba(127,127,127,.15);padding:1px 5px;border-radius:4px}