/* Seneca Treaties & Land Use Research | Five-Territory Atlas
   Historical Archive Theme A, publication scope expansion 2026-10-18.
   No remote fonts, libraries, trackers, or invented map geometry. */
.atlas-scope{--at-ink:#29251f;--at-oxblood:#693b30;--at-gold:#9b773a;--at-line:#cbbda1;--at-paper:#fbf7ee;--at-serif:"Iowan Old Style",Baskerville,Georgia,serif;color:var(--at-ink)}
.atlas-scope *{box-sizing:border-box}
.atlas-scope a:focus-visible,.atlas-scope button:focus-visible,.atlas-scope summary:focus-visible{outline:3px solid #9b773a;outline-offset:3px}
.atlas-scope a{color:var(--at-oxblood)}
.atlas-shell{max-width:1160px;margin:0 auto;padding:0 25px}
.atlas-hero{padding:48px 0 39px;background:linear-gradient(120deg,#eee1c8 0%,#fcf8eb 60%,#e7d8bf 100%);border-bottom:3px double var(--at-gold)}
.atlas-hero .atlas-eyebrow,.atlas-eyebrow{font:750 11px/1.45 system-ui,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:#754736;margin:0 0 11px}
.atlas-hero h1{font:500 clamp(2.45rem,5.1vw,4.25rem)/1.08 var(--at-serif)!important;letter-spacing:-.035em;margin:0 0 15px;max-width:900px;color:#29251f!important}
.atlas-hero p{font:400 17px/1.65 system-ui,sans-serif;color:#514638!important;max-width:85ch;margin:0 0 16px}
.atlas-hero .atlas-meta{margin:18px 0 0;border-top:1px solid #d2bf9a;padding:12px 0 0;font:650 12px/1.5 system-ui,sans-serif;color:#755a37}
.atlas-breadcrumb{padding:12px 0 15px;font:650 12px/1.5 system-ui,sans-serif;color:#635745}
.atlas-breadcrumb a{text-decoration:none}
.atlas-section{padding:34px 0}
.atlas-section+ .atlas-section{border-top:1px solid var(--at-line)}
.atlas-section h2{font:500 clamp(1.7rem,3vw,2.25rem)/1.18 var(--at-serif)!important;margin:0 0 13px;color:#29251f!important}
.atlas-section h3{font:550 1.38rem/1.28 var(--at-serif)!important;margin:0 0 11px;color:#29251f!important}
.atlas-lede{max-width:88ch;color:#53483c;font-size:1.03rem;line-height:1.7}
.atlas-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:25px 0}
.atlas-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.atlas-card{display:flex;flex-direction:column;min-width:0;background:#fcf8ec;border:1px solid #cbbda1;border-top:4px solid #9b773a;padding:23px;box-shadow:0 8px 24px rgba(70,43,20,.055)}
.atlas-card.focus{border-top-color:#693b30}
.atlas-card .atlas-num{font:500 30px/1 var(--at-serif);color:#b79c6c;margin-bottom:15px}
.atlas-card h3{margin:0 0 9px}
.atlas-card p{font-size:14px;line-height:1.65;margin:0 0 13px;color:#51483c}
.atlas-card .atlas-loc{font:750 11px/1.6 system-ui,sans-serif;letter-spacing:.1em;text-transform:uppercase;color:#754736}
.atlas-card .atlas-link{display:inline-block;margin:auto 0 0;padding-top:8px;font:750 13px/1.5 system-ui,sans-serif;text-decoration:underline;text-underline-offset:4px}
.atlas-card small{color:#61584e;font:600 11px/1.5 system-ui,sans-serif;margin-top:10px}
.atlas-smallprint{color:#665e51;font:450 12px/1.65 system-ui,sans-serif}
.atlas-notice{padding:15px 20px;margin:20px 0;background:#f1e5ce;border-left:4px solid #9b773a;color:#473b2e;line-height:1.65}
.atlas-notice strong{color:#372e25}
.atlas-notice.warn{background:#f3e0d7;border-left-color:#693b30}
.atlas-actions{display:flex;flex-wrap:wrap;gap:10px;margin:19px 0}
.atlas-button{display:inline-flex;align-items:center;text-decoration:none!important;font:750 13px/1.4 system-ui,sans-serif;color:#fdf5e8!important;background:#693b30;border:1px solid #693b30;padding:10px 16px;min-height:40px}
.atlas-button.alt{color:#533b2d!important;background:#fbf4e7;border-color:#bda77f}
.atlas-button:hover{filter:brightness(.95)}
.atlas-source-list{list-style:none;padding:0;margin:15px 0;display:grid;gap:9px;max-width:1000px}
.atlas-source-list li{padding:12px 14px;background:#fcf8ed;border-left:3px solid #9b773a;font:450 13px/1.6 system-ui,sans-serif;overflow-wrap:anywhere}
.atlas-source-list b{font-weight:780;color:#693b30}
.atlas-source-list a{font-weight:650}
.atlas-list{padding-left:20px;line-height:1.85;max-width:89ch}
.atlas-list li{margin:5px 0}
.atlas-record-grid{display:grid;grid-template-columns:200px minmax(0,1fr);gap:0;margin:22px 0;border-top:1px solid #cbbda1;border-left:1px solid #cbbda1}
.atlas-record-grid dt,.atlas-record-grid dd{margin:0;padding:15px;border-right:1px solid #cbbda1;border-bottom:1px solid #cbbda1;overflow-wrap:anywhere}
.atlas-record-grid dt{font:700 12px/1.5 system-ui,sans-serif;color:#55402f;background:#e9dcc4}
.atlas-record-grid dd{font:450 14px/1.65 system-ui,sans-serif;background:#faf5e9}
.atlas-table-wrap{overflow-x:auto;border:1px solid #cbbda1;margin:19px 0;background:#fdf9ed}
.atlas-table{width:100%;border-collapse:collapse;min-width:660px;font:450 13px/1.6 system-ui,sans-serif}
.atlas-table th{position:static!important;background:#e7dac2!important;text-align:left;font:750 11px/1.4 system-ui,sans-serif;letter-spacing:.07em;text-transform:uppercase;color:#513c2e!important}
.atlas-table td,.atlas-table th{padding:12px 14px;border-bottom:1px solid #d9c9aa}
.atlas-table tr:last-child td{border-bottom:none}
.atlas-status{display:inline-block;background:#e7dac3;color:#533d29;padding:3px 7px;border-radius:2px;font:720 11px/1.5 system-ui,sans-serif}
.atlas-status.pending{background:#f1dfd4;color:#733e30}
.atlas-status.source{background:#e1e6d8;color:#3a513c}
.atlas-toc{background:#eee3cf;border:1px solid #cbbda1;padding:17px 20px;margin:16px 0}
.atlas-toc strong{display:block;color:#693b30;letter-spacing:.07em;font:750 12px/1.4 system-ui,sans-serif;text-transform:uppercase;margin-bottom:7px}
.atlas-toc ul{padding-left:19px;margin:6px 0;columns:2}
.atlas-toc li{margin:7px 16px 7px 0;font-size:14px}
.atlas-compare-callout{background:#38312b;color:#f8efe0;padding:25px 28px;margin:16px 0}
.atlas-compare-callout h2,.atlas-compare-callout h3,.atlas-compare-callout p{color:#f8efe0!important}
.atlas-compare-callout a{color:#e4c38f!important}
.atlas-map-status{padding:23px 25px;background:repeating-linear-gradient(45deg,#ece3d1,#ece3d1 13px,#f1e9da 13px,#f1e9da 26px);border:1px solid #bda77f;margin:18px 0}
.atlas-map-status .atlas-status{margin-bottom:8px}
.atlas-map-status p{max-width:85ch}
.atlas-territory-index{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}
.atlas-territory-index a{display:block;border:1px solid #bda77f;background:#faf2e4;color:#653f30;text-decoration:none;font:720 12px/1.5 system-ui,sans-serif;padding:8px 11px}
.atlas-territory-index a[aria-current="page"]{border-color:#693b30;background:#693b30;color:#fff3dd}
.atlas-scope footer.atlas-footer{padding:27px 0 37px;background:#e7dcc6;border-top:3px double #9b773a;font:450 12px/1.75 system-ui,sans-serif}
.atlas-scope footer.atlas-footer p{margin:5px 0}
.atlas-research-flag{font:730 11px/1.4 system-ui,sans-serif;letter-spacing:.08em;color:#7e4d36;text-transform:uppercase}
@media (max-width:950px){.atlas-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.atlas-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){
 .atlas-shell{padding:0 16px}
 .atlas-hero{padding:30px 0 26px}
 .atlas-hero h1{font-size:clamp(2.18rem,8vw,3.05rem)!important}
 .atlas-hero p{font-size:15px}
 .atlas-grid,.atlas-grid.two{grid-template-columns:1fr}
 .atlas-card{padding:19px}
 .atlas-record-grid{grid-template-columns:1fr}
 .atlas-record-grid dt{border-bottom:0;padding:10px 14px}
 .atlas-record-grid dd{padding:12px 14px}
 .atlas-toc ul{columns:1}
 .atlas-compare-callout{padding:20px}
 .atlas-map-status{padding:16px}
}
@media print{.atlas-hero{background:#fff!important}.atlas-card,.atlas-map-status{break-inside:avoid;box-shadow:none}.atlas-button{display:none!important}}
/* Five-Territory Atlas — interactive USGS terrain and Census reference GIS. */
.atlas-scope .territory-map{height:440px;position:relative;overflow:hidden;isolation:isolate;border:1px solid #ad9671;background:#e5dccb;cursor:grab;touch-action:pan-y}
.atlas-scope .territory-map-panning{cursor:grabbing}
.territory-map-tiles{position:absolute;inset:0;overflow:hidden;background:linear-gradient(135deg,#e7dfd0,#ded6c5);pointer-events:none;z-index:1}
.territory-map-tile{position:absolute;display:block;max-width:none!important;max-height:none!important;width:256px;height:256px;object-fit:fill!important;user-select:none;pointer-events:none;-webkit-user-drag:none}
.atlas-scope .territory-map-overlay{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none}
.territory-map-toolbar{position:absolute;z-index:6;top:10px;left:10px;right:10px;display:flex;align-items:center;flex-wrap:wrap;gap:5px;width:max-content;max-width:calc(100% - 20px);padding:7px;background:#fdf9efed;border:1px solid #ad9671;box-shadow:0 3px 13px rgba(43,27,19,.13)}
.atlas-scope .territory-map-toolbar select{background:#fdfaf1!important;color:#342a20!important;border:1px solid #baa480!important;border-radius:2px;max-width:200px;min-height:36px;padding:5px 8px;font:680 12px/1.4 system-ui,"Segoe UI",sans-serif}
.atlas-scope .territory-map-toolbar button{font:750 13px/1.3 system-ui,"Segoe UI",sans-serif;background:#fff9ec!important;color:#3a291f!important;border:1px solid #baa480!important;min-width:35px;min-height:36px;padding:5px 9px;cursor:pointer}
.atlas-scope .territory-map-toolbar button:disabled{opacity:.48;cursor:not-allowed}
.territory-map-toolbar button:hover,.territory-map-toolbar select:hover{background:#e6dac5!important}
.territory-map-message{position:absolute;bottom:49px;left:10px;z-index:5;max-width:min(540px,calc(100% - 20px));padding:8px 11px;background:#fdf8e9ed;border:1px solid #bdab8e;color:#49392c;font:650 11px/1.45 system-ui,"Segoe UI",sans-serif;pointer-events:none}
.territory-map-credit{position:absolute;bottom:10px;left:10px;z-index:5;padding:6px 9px;background:#fffaf0e8;border:1px solid #bdab8e;color:#4c3a2f;font:650 10px/1.3 system-ui,"Segoe UI",sans-serif}
.territory-map-credit a{color:#693b30!important;text-decoration:underline;text-underline-offset:2px}
.territory-map-open{position:absolute;right:10px;bottom:10px;z-index:5;background:#693b30;padding:9px 12px;color:#fff3dd!important;text-decoration:none!important;font:720 11px/1.5 system-ui,"Segoe UI",sans-serif;border:1px solid #593126}
.territory-map-open[hidden]{display:none!important}
.territory-census-caption{font:450 12px/1.65 system-ui,"Segoe UI",sans-serif;color:#5d5143;margin:9px 0 3px}
.territory-census-status{padding:12px 14px;background:#f4ead7;border:1px solid #cbbda1;margin:11px 0;font:610 12px/1.55 system-ui,"Segoe UI",sans-serif;color:#4e4235}
.atlas-map-shell{margin:21px 0 29px}
.atlas-research-brief{margin:17px 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.atlas-research-note{padding:17px 20px;border:1px solid #cbbda1;background:#fcf8ec;border-top:3px solid #9b773a}
.atlas-research-note h3{font-size:1.25rem!important;margin:4px 0 10px!important}
.atlas-research-note p{font-size:14px;line-height:1.65;color:#4d453b;margin:9px 0}
.atlas-research-note a{font-weight:670}
@media(max-width:700px){
 .atlas-scope .territory-map{height:355px}
 .territory-map-toolbar{top:7px;left:7px;right:7px;max-width:calc(100% - 14px);gap:3px;padding:5px}
 .atlas-scope .territory-map-toolbar select{font-size:11px;padding:4px 6px;min-height:33px;max-width:132px}
 .atlas-scope .territory-map-toolbar #territory-map-layer{max-width:105px}
 .atlas-scope .territory-map-toolbar button{min-height:33px;min-width:30px;padding:4px 7px;font-size:12px}
 .territory-map-message{left:7px;bottom:43px;max-width:calc(100% - 14px);padding:6px 8px;font-size:10px}
 .territory-map-credit{left:7px;bottom:7px;font-size:9px;padding:5px 6px}
 .territory-map-open{right:7px;bottom:7px;font-size:10px;padding:7px}
 .atlas-research-brief{grid-template-columns:1fr}
}
@media print{.territory-map-toolbar,.territory-map-open,.territory-map-message{display:none!important}.atlas-scope .territory-map{height:300px}}