/* Morning Hays — Land Research docs.  "Style C": a modern, light documentation
   site.  White page, light sidebar panel, barn-red (#7a3b2e) accent.  System
   sans-serif for UI + body, ui-monospace for codes / permit numbers.  No web
   fonts, no CDNs — fully self-contained. */

:root{
  --bg:#ffffff;
  --panel:#faf9f7;
  --panel-2:#f7f6f3;
  --panel-3:#f4f2ee;
  --ink:#1f2328;
  --ink-2:#42474d;
  --ink-3:#4b5157;
  --muted:#6a7178;
  --faint:#9aa0a6;
  --line:#e6e3dd;
  --line-2:#ebe8e2;
  --line-3:#eeece7;
  --accent:#7a3b2e;      /* barn red */
  --accent-hover:#9c4a34;
  --accent-tint:#f0e7e3; /* active nav pill */
  --arrow:#c2beb5;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,monospace;
  --shadow:0 1px 2px rgba(31,35,40,.05);
  --shadow-lift:0 6px 20px rgba(31,35,40,.09);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
img{max-width:100%}
body{
  margin:0;
  color:var(--ink);
  background:var(--bg);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* ---- top bar ---- */
#topnav{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;gap:22px;
  height:56px;padding:0 clamp(1rem,3vw,1.4rem);
  background:var(--bg);border-bottom:1px solid var(--line-2);
}
#topnav .brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink)}
#topnav .brand-mark{color:var(--accent);flex:none;transform:translateY(.5px)}
#topnav .brand-name{font-size:15.5px;font-weight:650;letter-spacing:-.01em}
.topnav-search{
  flex:1;max-width:300px;min-width:0;
  display:flex;align-items:center;gap:8px;
  height:32px;padding:0 11px;
  background:var(--panel-2);border:1px solid var(--line);border-radius:7px;
  color:var(--faint);font-size:13px;user-select:none;cursor:default;
}
.topnav-search svg{flex:none}
.topnav-search span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#topnav .topnav-links{margin-left:auto;display:flex;gap:6px}
#topnav .topnav-links a{
  color:var(--muted);text-decoration:none;font-size:13.5px;
  padding:.4rem .6rem;border-radius:6px;
}
#topnav .topnav-links a:hover{color:var(--ink);background:var(--panel-2)}
#topnav .topnav-links a.active{color:var(--accent);font-weight:600}
#topnav .topnav-links a.active:hover{background:var(--accent-tint)}

/* ---- layout ---- */
.layout{display:flex;align-items:flex-start;max-width:1200px;margin:0 auto}

/* ---- sidebar / drawer ---- */
.sidebar{
  flex:0 0 244px;position:sticky;top:56px;align-self:flex-start;
  max-height:calc(100vh - 56px);overflow:auto;
  background:var(--panel);border-right:1px solid var(--line-2);
  padding:26px 18px 40px;
}
.sidebar>summary{
  list-style:none;pointer-events:none;cursor:default;
  display:flex;align-items:center;justify-content:space-between;
  font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--faint);padding:0 10px 10px;margin:0;
}
.sidebar>summary::-webkit-details-marker{display:none}
.sidebar-summary-chevron{display:none}
.side-group{
  font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--faint);margin:18px 0 6px;padding:0 10px;
}
.sidebar-inner>.side-group:first-child,
.sidebar-inner>.side-link.top:first-child{margin-top:0}
.side-link{
  display:block;text-decoration:none;color:var(--ink-2);
  font-size:14px;line-height:1.35;padding:6px 10px;margin:1px 0;
  border-radius:6px;
  transition:color .12s,background .12s;
}
.side-link.top{color:var(--ink-2)}
.side-link:hover{color:var(--ink);background:var(--panel-2)}
.side-link.current,
.side-link.top.current{
  color:var(--accent);background:var(--accent-tint);font-weight:600;
}

/* ---- content column ---- */
.content{
  flex:1 1 auto;min-width:0;
  display:flex;flex-direction:column;align-items:center;
  padding:40px clamp(1.2rem,4vw,3.25rem) 60px;
}
.doc{width:100%;max-width:43rem}
.doc.landing{max-width:47rem}
.doc-body>*:first-child{margin-top:0}
.doc-body>*:last-child{margin-bottom:0}

/* landing: prose keeps a reading measure while cards/tables/map run wide */
.landing-body>*{max-width:43rem;margin-left:auto;margin-right:auto}
.landing-body>.doc-cards,
.landing-body>.table-wrap{max-width:none}

/* ---- hero (landing) ---- */
.hero{padding:0 0 8px;margin-bottom:20px}
.hero-kicker{
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--accent);margin-bottom:14px;
}
.hero-title{
  font-size:clamp(1.9rem,4.4vw,2.15rem);line-height:1.18;font-weight:700;
  letter-spacing:-.02em;margin:0 0 12px;color:var(--ink);
}
.hero-sub{font-size:1.05rem;line-height:1.55;color:var(--ink-3);margin:0 0 8px;max-width:62ch}
.hero-dek{font-size:.95rem;color:var(--muted);margin:0;max-width:62ch}

/* ---- section card grid ---- */
.doc-cards{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));
  gap:14px;margin:26px 0 32px;
}
.doc-card{
  display:flex;flex-direction:column;gap:5px;
  text-decoration:none;color:inherit;
  background:var(--bg);border:1px solid var(--line);border-radius:10px;
  padding:16px 17px;box-shadow:var(--shadow);
  transition:border-color .12s ease,box-shadow .12s ease,transform .12s ease;
}
.doc-card:hover{border-color:var(--accent);box-shadow:var(--shadow-lift);transform:translateY(-1px)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.card-title{font-size:15.5px;font-weight:650;color:var(--ink);letter-spacing:-.01em}
.card-arrow{color:var(--arrow);font-size:1.05rem;line-height:1;transition:transform .12s,color .12s}
.doc-card:hover .card-arrow{color:var(--accent);transform:translateX(3px)}
.card-desc{font-size:13.5px;line-height:1.5;color:var(--muted)}

/* ---- article header ---- */
.page-head{padding:0 0 20px;margin-bottom:24px;border-bottom:1px solid var(--line-2)}
.crumbs{
  display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;
  font-size:13px;color:var(--faint);margin-bottom:14px;
}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.crumb-sep{opacity:.6}
.crumb-cur{color:var(--ink-2)}
.kicker{
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--accent);margin-bottom:10px;
}
.page-head h1{
  font-size:clamp(1.6rem,3.4vw,2rem);line-height:1.2;font-weight:700;
  letter-spacing:-.02em;margin:0;color:var(--ink);border:0;padding:0;
}
.page-meta{font-size:.9rem;color:var(--muted);margin:12px 0 0}

/* ---- on-this-page TOC ---- */
.toc{
  background:var(--panel);border:1px solid var(--line);
  border-radius:9px;padding:14px 16px;margin:0 0 26px;
}
.toc-title{
  font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--faint);margin-bottom:8px;
}
.toc ol{margin:0;padding:0;list-style:none;columns:2;column-gap:1.8rem}
.toc li{margin:.22rem 0;break-inside:avoid;font-size:.88rem;line-height:1.35}
.toc a{color:var(--ink-2);text-decoration:none}
.toc a:hover{color:var(--accent)}

/* ---- article typography ---- */
.doc-body p{margin:1rem 0}
.doc-body>p:first-child,.doc-body .lead{font-size:1.05rem;line-height:1.6;color:var(--ink-3)}
.doc-body h2{
  font-size:1.32rem;font-weight:650;letter-spacing:-.01em;
  margin:2.3rem 0 .85rem;color:var(--ink);
}
.doc-body h3{font-size:1.08rem;font-weight:650;margin:1.7rem 0 .5rem;color:var(--ink)}
.doc-body h4{font-size:.98rem;font-weight:650;margin:1.3rem 0 .35rem;color:var(--ink-2)}
.doc-body a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(122,59,46,.28)}
.doc-body a:hover{color:var(--accent-hover);border-bottom-color:var(--accent-hover)}
.doc-body strong{color:var(--ink);font-weight:650}
.doc-body ul,.doc-body ol{margin:.85rem 0;padding-left:1.4rem}
.doc-body li{margin:.35rem 0}
.doc-body li::marker{color:var(--faint)}
.doc-body hr{border:0;height:1px;background:var(--line-2);margin:2.2rem 0}
.doc-body code{
  font-family:var(--mono);font-size:.85em;color:var(--accent);
  background:var(--panel-3);padding:.12em .42em;border-radius:4px;border:1px solid var(--line);
}
.doc-body pre{
  background:var(--panel);border:1px solid var(--line);border-radius:9px;
  padding:1rem 1.1rem;overflow-x:auto;margin:1.2rem 0;
}
.doc-body pre code{background:none;border:0;padding:0;color:var(--ink-2)}

/* ---- blockquote / callout ---- */
.doc-body blockquote{
  margin:1.5rem 0;padding:.9rem 1.15rem;
  background:var(--panel-2);border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:0 9px 9px 0;color:var(--ink-3);
}
.doc-body blockquote p{margin:.35rem 0}
.doc-body blockquote strong{color:var(--accent)}

/* ---- timeline (chronologies rendered from @@TIMELINE@@ lists) ---- */
.doc-body .timeline{list-style:none;margin:1.8rem 0;padding:0;position:relative}
.doc-body .timeline::before{content:"";position:absolute;left:6px;top:7px;bottom:7px;width:2px;background:var(--line)}
.doc-body .timeline>li{position:relative;margin:0;padding:0 0 1.35rem 1.95rem}
.doc-body .timeline>li:last-child{padding-bottom:0}
.doc-body .timeline>li::before{
  content:"";position:absolute;left:0;top:4px;width:13px;height:13px;border-radius:50%;
  background:var(--bg);border:2.5px solid var(--accent);box-sizing:border-box;
}
.doc-body .timeline .t-date{
  display:block;font-family:var(--mono);font-size:12.5px;font-weight:600;
  letter-spacing:.03em;color:var(--accent);margin-bottom:2px;
}
.doc-body .timeline .t-body{display:block;font-size:14.5px;line-height:1.6;color:var(--ink-3)}
.doc-body .timeline .t-body strong{color:var(--ink);font-weight:650}

/* ---- tables (bordered, rounded, light header row) ---- */
.table-wrap{
  width:100%;overflow-x:auto;margin:1.6rem 0;
  border:1px solid var(--line);border-radius:9px;background:var(--bg);
}
.table-wrap table{width:100%;border-collapse:collapse;margin:0;font-size:14px}
.table-wrap thead th{
  background:var(--panel-2);text-align:left;white-space:nowrap;
  font-weight:600;font-size:12px;letter-spacing:.03em;text-transform:uppercase;
  color:var(--muted);
}
.table-wrap th,.table-wrap td{
  padding:.6rem .9rem;border-top:1px solid var(--line-3);vertical-align:top;line-height:1.5;
}
.table-wrap thead th{border-top:0}
.table-wrap tbody tr:first-child td{border-top:1px solid var(--line)}
.table-wrap td.num,.table-wrap th.num{
  text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;
}
.table-wrap td.num{font-family:var(--mono);font-size:13px}

/* ---- embedded live map ---- */
.mapfig{margin:0 0 26px}
.mapframe{
  display:block;width:100%;height:440px;
  border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel);
}
.mapfig figcaption{
  margin-top:10px;font-size:13px;line-height:1.5;color:var(--muted);
}
.mapfig .mapfull{
  color:var(--accent);text-decoration:none;font-weight:600;white-space:nowrap;
  border-bottom:1px solid rgba(122,59,46,.28);
}
.mapfig .mapfull:hover{color:var(--accent-hover);border-bottom-color:var(--accent-hover)}

/* ---- standalone figures (grant scan) ---- */
.doc-figure{margin:0 0 26px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px}
.doc-figure a{display:block;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}
.doc-figure img{width:100%;height:auto;display:block}
.doc-figure figcaption{margin-top:11px;font-size:13px;line-height:1.5;color:var(--muted)}

/* ---- scanned mine-map gallery (coal page) ---- */
.scan-gallery{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:16px;margin:1.6rem 0 2rem;
}
.scan{margin:0;background:var(--panel);padding:12px;border:1px solid var(--line);border-radius:10px}
.scan a{display:block;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}
.scan img{width:100%;height:auto;display:block}
.scan figcaption{margin-top:10px;font-size:12.5px;color:var(--muted);line-height:1.45}

/* ---- data & downloads ---- */
.downloads td.size{white-space:nowrap;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}
.downloads td.dl{white-space:nowrap;text-align:right}
.downloads td.dl a{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--accent);border:1px solid var(--line);border-radius:6px;padding:.28rem .62rem;
  background:var(--bg);text-decoration:none;
}
.downloads td.dl a:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.downloads td a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(122,59,46,.24)}
.empty{color:var(--muted)}

/* ---- footer ---- */
.doc-footer{
  width:100%;max-width:47rem;margin:3.5rem auto 0;padding-top:1.4rem;
  border-top:1px solid var(--line-2);
}
.doc-footer .foot-brand{display:flex;align-items:center;gap:.45rem;font-size:.95rem;font-weight:650;color:var(--ink)}
.doc-footer .foot-brand .brand-mark{color:var(--accent)}
.doc-footer .foot-line{margin:.5rem 0 .35rem;font-size:.85rem;color:var(--muted)}
.doc-footer .foot-sources{font-size:12px;letter-spacing:.02em;color:var(--faint)}

/* ---- responsive: sidebar -> top drawer under ~820px ---- */
@media (max-width:820px){
  .layout{flex-direction:column;max-width:760px}
  .sidebar{
    position:static;max-height:none;flex-basis:auto;width:100%;
    border-right:0;border-bottom:1px solid var(--line-2);
    padding:.35rem 1.1rem;overflow:visible;
  }
  .sidebar>summary{
    pointer-events:auto;cursor:pointer;padding:.75rem .4rem;margin:0;
  }
  .sidebar[open]>summary{border-bottom:1px solid var(--line-2);margin-bottom:.5rem}
  .sidebar-summary-chevron{
    display:block;width:.5rem;height:.5rem;
    border-right:2px solid var(--faint);border-bottom:2px solid var(--faint);
    transform:rotate(45deg);transition:transform .15s;
  }
  .sidebar[open]>summary .sidebar-summary-chevron{transform:rotate(-135deg)}
  .sidebar-inner{padding:0 0 .5rem}
  .sidebar-inner>.side-group:first-child,
  .sidebar-inner>.side-link.top:first-child{margin-top:.4rem}
  .content{padding:1.9rem clamp(1.1rem,5vw,1.6rem) 2.6rem}
  .landing-body>*{max-width:none}
}
@media (max-width:640px){
  .topnav-search{display:none}
}
@media (max-width:480px){
  #topnav{gap:10px}
  #topnav .brand-name{display:none}
  #topnav .topnav-links{gap:0}
  #topnav .topnav-links a{padding:.4rem .45rem;font-size:13px}
}
@media (max-width:560px){
  .toc ol{columns:1}
  .doc-cards{grid-template-columns:1fr}
  .mapframe{height:360px}
}