:root{box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
 --bg:#EEF1EA;--panel:#F7F8F4;--ink:#1E2A2C;--muted:#5C6962;--rule:#C9D1C4;--sea:#B7CAD1;--land:#E3E6DC;--region:#D4DCC7;--veil:rgba(240,242,236,.4);--regionline:#56644E;--river:#7FA0AC;--riverlab:#2f6882;--lake:#9DBAC6;--paleo:#3f7fa6;--accent:#8E2F22;--focus:#1F5F8B;
 --pal:#6B2E26;--mes:#B8621B;--neo:#2E6E73;--eneo:#5A8A4E;--br:#A8842C;--eia:#7A4C8C;--lia:#34467A;}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#161C1E;--panel:#1D2427;--ink:#E4E8E1;--muted:#9AA8A1;--rule:#34403F;--sea:#23363E;--land:#252C2A;--region:#2F3A31;--veil:rgba(22,28,30,.55);--regionline:#8FA087;--river:#4C7482;--riverlab:#8fc3db;--lake:#2D4A56;--paleo:#5ea3cf;--accent:#E07A62;--focus:#7FB8DF;--pal:#C9695C;--mes:#E08A3E;--neo:#5BB0B3;--eneo:#8DC37F;--br:#D8B452;--eia:#B78BCB;--lia:#8A9CD8}}
:root[data-theme="dark"]{--bg:#161C1E;--panel:#1D2427;--ink:#E4E8E1;--muted:#9AA8A1;--rule:#34403F;--sea:#23363E;--land:#252C2A;--region:#2F3A31;--veil:rgba(22,28,30,.55);--regionline:#8FA087;--river:#4C7482;--riverlab:#8fc3db;--lake:#2D4A56;--paleo:#5ea3cf;--accent:#E07A62;--focus:#7FB8DF;--pal:#C9695C;--mes:#E08A3E;--neo:#5BB0B3;--eneo:#8DC37F;--br:#D8B452;--eia:#B78BCB;--lia:#8A9CD8}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 "PT Sans","Helvetica Neue",Arial,sans-serif}
h1,h2,h3{font-family:"PT Serif",Georgia,serif;font-weight:700;line-height:1.2;margin:0}
a{color:var(--focus)}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.mk:focus{outline:none}.mk:focus-visible circle{stroke:var(--focus)}
header.top{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;padding:1rem clamp(1rem,3vw,2rem) .75rem;border-bottom:1px solid var(--rule)}
header.top h1{font-size:clamp(1.3rem,2.4vw,1.75rem)}
header.top h1 a{color:inherit;text-decoration:none}
header.top .sub{color:var(--muted);font-size:.95rem;max-width:60ch}
nav.top{margin-left:auto;display:flex;gap:1rem}
.themebtn{font:inherit;font-size:1.05rem;line-height:1;width:2.1rem;height:2.1rem;border:1px solid var(--rule);border-radius:999px;background:var(--panel);color:var(--ink);cursor:pointer;flex:none}
:root{color-scheme:light dark}:root[data-theme=light]{color-scheme:light}:root[data-theme=dark]{color-scheme:dark}:root[data-theme=dark] g.reliefg{opacity:.55}
.themebtn{display:grid;place-items:center;padding:0}.themebtn svg{display:block}
@media (max-width:860px){.mapwrap{height:auto;display:flex;flex-direction:column;overflow:visible}.mapwrap svg.map{height:62vh;flex:none}.mapwrap .legend{order:2;position:static;max-width:none;border:none;border-top:1px solid var(--rule);border-radius:0;background:var(--panel);padding:.7rem 1rem}.mapwrap .mapopts{order:3;position:static;max-width:none;border:none;border-top:1px solid var(--rule);border-radius:0;background:var(--panel);padding:.7rem 1rem}.mapwrap .legend .scalebar{position:absolute;left:.6rem;top:calc(62vh - 2.2rem);margin:0;padding:.15rem .45rem;background:color-mix(in srgb,var(--panel) 85%,transparent);border-radius:3px}.mapwrap.full{display:block}.mapwrap.full svg.map{height:100%}.mapwrap.full .mapopts{display:none}.mapwrap.full .legend{position:absolute;left:.6rem;bottom:calc(.6rem + env(safe-area-inset-bottom,0px));padding:0;background:none;border:none}.mapwrap.full .legend>:not(.scalebar){display:none}.mapwrap.full .legend .scalebar{position:static}}
@media (max-width:600px){header.top{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:.75rem;row-gap:.7rem;align-items:start}header.top .brand{grid-column:1;grid-row:1}header.top .themebtn{grid-column:2;grid-row:1}nav.top{grid-column:1/-1;grid-row:2;flex-wrap:wrap;gap:.4rem 1.1rem;margin-left:0}nav.top a{white-space:nowrap}}
.mapclip{position:relative;overflow:hidden;width:100%;height:100%}.mapmove{width:100%;height:100%;transform-origin:0 0;will-change:transform}@media (max-width:860px){.cat .mapwrap:not(.full){height:auto;display:flex;flex-direction:column;overflow:visible}.mapwrap .mapclip{height:62vh;flex:none}.mapwrap svg.map{height:100%}.mapwrap.full .mapclip{height:100%}}
body>main{flex:1 0 auto;min-width:0}body>header,body>footer{flex:none}
.sitefoot{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;padding:1rem clamp(1rem,3vw,2rem);border-top:1px solid var(--rule);font-size:.85rem;color:var(--muted)}.sitefoot a{color:var(--focus)}
nav.top a{color:var(--ink);text-decoration:none;border-bottom:1px solid transparent}
nav.top a[aria-current="page"]{border-color:var(--ink)}
main{padding:0}
.cat{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);height:calc(100vh - var(--hdr,4.5rem));min-height:520px}
.mapwrap{position:relative;border-right:1px solid var(--rule);background:var(--sea);overflow:hidden}.mapwrap.full{position:fixed;inset:0;z-index:1000;width:100vw;height:100vh;height:100dvh;border:none}body.mapfull{overflow:hidden}.mapwrap.full .legend{max-width:min(680px,calc(100vw - 2rem))}
svg.map{width:100%;height:100%;display:block;touch-action:none;cursor:grab}
svg.map.drag{cursor:grabbing}
.zfar .t2,.zfar .t3,.zmid .t3,.zdet .t4{display:none}
.zmid g.cmo{clip-path:none}
svg.map path[stroke-dasharray="4 3"]{stroke-dasharray:var(--dash,4 3)}
.mkc{cursor:pointer;transition:transform .16s;transform-box:fill-box;transform-origin:center}.mkc:hover{transform:scale(1.15)}.mkc:focus{outline:none}.mkc:focus-visible circle{stroke:var(--focus)}
.clist{position:absolute;z-index:5;width:290px;max-height:250px;overflow:auto;background:var(--panel);border:1px solid var(--rule);border-radius:4px;box-shadow:0 2px 10px rgba(0,0,0,.18);padding:.4rem .6rem;font-size:.88rem}.clist .clh{display:flex;justify-content:space-between;align-items:center;margin-bottom:.3rem}.clist .clh button{font:inherit;font-size:1.1rem;background:none;border:none;color:var(--ink);cursor:pointer}.clist a{display:block;padding:.2rem 0;color:var(--ink);text-decoration:none}.clist a:hover{text-decoration:underline}
.mk{transition:transform .16s cubic-bezier(.3,1.6,.5,1);transform-box:fill-box;transform-origin:center;cursor:pointer}.mk:hover{transform:scale(1.3)}.mk.press{transform:scale(.8);transition-duration:.08s}.mk.go{animation:mkgo .22s ease-out forwards}@keyframes mkgo{0%{transform:scale(.8)}55%{transform:scale(1.55)}100%{transform:scale(1.2);opacity:.85}}
@media (prefers-reduced-motion:reduce){.mk,.mk.go{animation:none;transition:none}}
g.reliefg{opacity:1}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) g.reliefg{opacity:.55}}
.mapopts{position:absolute;right:3.6rem;top:.75rem;background:color-mix(in srgb,var(--panel) 94%,transparent);border:1px solid var(--rule);border-radius:4px;padding:.4rem .6rem;font-size:.8rem;display:grid;gap:.25rem;max-width:240px}
.mapopts input[type=range]{width:100%;touch-action:pan-y}.mapwrap:not(.full) .legend>:not(.scalebar){display:none}@media (max-width:860px){.mapwrap:not(.full) .legend{display:contents}}image.ov{display:none}svg.map.zfar image.ov{display:inline}svg.map.zfar image.full0{display:none}.mapopts>.mo{display:contents}@media (max-width:860px){.mapwrap:not(.full) .mapopts{display:contents}.mapopts>.mo{display:grid;gap:.25rem;background:var(--panel);padding:.7rem 1rem;font-size:.8rem}.mapopts>.mo-sea{order:2;border-top:1px solid var(--rule)}.mapwrap:not(.full) .legend{order:3}.mapopts>.mo-rel{order:4;border-top:1px solid var(--rule)}.mapopts>.mo-src{order:5;padding-top:0}}
#totop{position:fixed;right:1rem;bottom:calc(1rem + env(safe-area-inset-bottom,0px));width:2.75rem;height:2.75rem;border-radius:50%;border:1px solid var(--rule);background:var(--panel);color:var(--ink);box-shadow:0 2px 10px rgba(0,0,0,.22);display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .2s,transform .2s;z-index:60}#totop.show{opacity:1;pointer-events:auto;transform:none}#totop:hover{border-color:var(--ink)}@media (prefers-reduced-motion:reduce){#totop{transition:none}}
.mapctl{position:absolute;right:.75rem;top:.75rem;display:flex;flex-direction:column;gap:.25rem}
.mapctl button{display:grid;place-items:center;padding:0;line-height:1;-webkit-appearance:none;appearance:none;width:2.2rem;height:2.2rem;font:700 1.1rem "PT Sans",sans-serif;background:var(--panel);color:var(--ink);border:1px solid var(--rule);border-radius:4px;cursor:pointer}
.legend{position:absolute;left:.75rem;bottom:.75rem;background:color-mix(in srgb,var(--panel) 92%,transparent);border:1px solid var(--rule);border-radius:4px;padding:.5rem .7rem;font-size:.8rem;max-width:calc(100% - 1.5rem)}
.legend .row{display:flex;flex-wrap:wrap;gap:.2rem .8rem}.legend .syms{margin-top:.3rem}.legend .syms>span{display:inline-flex;align-items:center;gap:.3rem}.legend .sym{flex:none;display:block}
.legend .note{color:var(--muted);margin-top:.3rem}
.dot{display:inline-block;width:.7rem;height:.7rem;border-radius:50%;vertical-align:-1px;margin-right:.3rem}
.tip{position:absolute;pointer-events:none;background:var(--panel);border:1px solid var(--rule);border-radius:4px;padding:.35rem .55rem;font-size:.85rem;max-width:260px;display:none;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.side{display:flex;flex-direction:column;min-height:0;background:var(--panel)}
.filters{padding:1rem 1.25rem .75rem;border-bottom:1px solid var(--rule);display:grid;gap:.6rem}
.eras{display:flex;flex-wrap:wrap;gap:.35rem}
.era{font:inherit;font-size:.85rem;border:1px solid var(--rule);background:transparent;color:var(--ink);border-radius:999px;padding:.2rem .65rem;cursor:pointer;display:inline-flex;align-items:center}
.era[aria-pressed="true"]{background:var(--ink);color:var(--panel);border-color:var(--ink)}
.era[aria-pressed="true"] .dot{outline:2px solid var(--panel)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
.fgrid label{display:flex;flex-direction:column;font-size:.8rem;color:var(--muted);gap:.15rem}
select,input[type=search]{font:inherit;font-size:.92rem;color:var(--ink);background:var(--bg);border:1px solid var(--rule);border-radius:4px;padding:.35rem .45rem;width:100%}
select:not([multiple]){-webkit-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-repeat:no-repeat;background-size:.32rem .32rem;background-position:calc(100% - var(--sx,.45rem) - .62rem) 55%,calc(100% - var(--sx,.45rem) - .3rem) 55%;padding-right:calc(var(--sx,.45rem) + 1.2rem)}.form select:not([multiple]){--sx:.55rem;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-repeat:no-repeat;background-size:.32rem .32rem;background-position:calc(100% - var(--sx) - .62rem) 55%,calc(100% - var(--sx) - .3rem) 55%;padding-right:calc(var(--sx) + 1.2rem)}
.inview{display:flex;align-items:center;gap:.4rem;font-size:.85rem;color:var(--muted);cursor:pointer}.inview input{margin:0}
.frow{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--muted);gap:.5rem}
.frow button{font:inherit;font-size:.85rem;background:none;border:none;color:var(--focus);cursor:pointer;padding:0;text-decoration:underline}
.list{overflow:auto;flex:1;padding:.25rem 0}
.item{display:block;padding:.7rem 1.25rem;border-bottom:1px solid var(--rule);text-decoration:none;color:inherit}
.item:hover,.item.hl{background:var(--bg)}
.item h3{font-size:1.02rem;margin-bottom:.15rem}
.item .meta{font-size:.84rem;color:var(--muted)}
.item .eras-mini{display:inline-flex;gap:3px;margin-right:.4rem;vertical-align:1px}
.item .eras-mini span{width:.55rem;height:.55rem;border-radius:50%}
.empty{padding:2rem 1.25rem;color:var(--muted)}
/* detail */
.detail{max-width:1180px;margin:0 auto;padding:1.5rem clamp(1rem,3vw,2rem) 3rem;display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:2.5rem}
.detail .back{grid-column:1/-1;font-size:.9rem}
.detail h2{font-size:clamp(1.6rem,3.2vw,2.3rem);margin:.2rem 0 .5rem}
.detail .where{color:var(--muted);margin-bottom:1rem}
.detail p{font-family:"PT Serif",Georgia,serif;line-height:1.7;max-width:68ch}
.facts{display:grid;grid-template-columns:max-content 1fr;gap:.35rem 1rem;margin:0 0 1.5rem;font-size:.95rem}
.facts dt{color:var(--muted)}
.facts dd{margin:0}
.dispute{border-left:3px solid var(--accent);padding:.3rem 0 .3rem .9rem;margin:1.2rem 0;font-size:.95rem}
.src{padding-left:1.2rem;font-size:.92rem}
.src li{margin-bottom:.45rem;overflow-wrap:anywhere}
.minimap{border:1px solid var(--rule);border-radius:4px;overflow:hidden;background:var(--sea);aspect-ratio:1/1}
.minimap svg{width:100%;height:100%;display:block}
.aside-note{font-size:.85rem;color:var(--muted);margin-top:.5rem}
.near h3{font-size:1rem;margin:1.5rem 0 .4rem}
.near a{display:block;font-size:.92rem;padding:.2rem 0}
.page{max-width:820px;margin:0 auto;padding:1.5rem clamp(1rem,3vw,2rem) 3rem}
.page h2{font-size:1.8rem;margin-bottom:1rem}
.page p,.page li{font-family:"PT Serif",Georgia,serif;line-height:1.7}
.page .src li{font-family:"PT Sans",sans-serif}
code{font-size:.85em}
@media (max-width:860px){
 .cat{grid-template-columns:1fr;height:auto}
 .mapwrap{height:62vh;border-right:none;border-bottom:1px solid var(--rule)}
 .list{overflow:visible}
 .detail{grid-template-columns:1fr}
 nav.top{margin-left:0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

.banner{background:var(--accent);color:#fff;padding:.45rem clamp(1rem,3vw,2rem);font-size:.9rem;display:flex;gap:1rem;flex-wrap:wrap;align-items:center}
.banner a{color:#fff;font-weight:700}
.admin{max-width:1180px;margin:0 auto;padding:1.5rem clamp(1rem,3vw,2rem) 3rem}
.admin h2{font-size:1.7rem;margin-bottom:.4rem}
.toolbar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin:1rem 0}
.btn{font:inherit;font-size:.92rem;border:1px solid var(--ink);background:var(--panel);color:var(--ink);border-radius:4px;padding:.4rem .8rem;cursor:pointer;text-decoration:none;display:inline-block}
.btn.primary{background:var(--ink);color:var(--panel)}
.btn.danger{border-color:var(--accent);color:var(--accent)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.atable{width:100%;border-collapse:collapse;font-size:.92rem}
.atable th,.atable td{text-align:left;padding:.45rem .5rem;border-bottom:1px solid var(--rule);vertical-align:top}
.atable th{color:var(--muted);font-weight:400;font-size:.82rem}
.tscroll{overflow-x:auto}
.form{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:2rem}
.form .fields{display:grid;gap:.9rem}
.form label{display:flex;flex-direction:column;gap:.25rem;font-size:.85rem;color:var(--muted)}
.form input[type=text],.form input[type=number],.form input[type=password],.form textarea,.form select{font:inherit;font-size:.95rem;color:var(--ink);background:var(--panel);border:1px solid var(--rule);border-radius:4px;padding:.45rem .55rem;width:100%}
.form textarea{min-height:6.5rem;resize:vertical;line-height:1.5}
.two{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.checks{display:flex;flex-wrap:wrap;gap:.3rem .9rem;color:var(--ink);font-size:.92rem}
.checks label{flex-direction:row;align-items:center;gap:.35rem;color:var(--ink);font-size:.92rem}
.hint{font-size:.8rem;color:var(--muted)}
.msg{padding:.6rem .8rem;border-radius:4px;border:1px solid var(--rule);background:var(--panel);margin:.8rem 0;font-size:.92rem}
.msg.err{border-color:var(--accent);color:var(--accent)}
.msg.ok{border-color:var(--neo)}
.pickmap{border:1px solid var(--rule);border-radius:4px;overflow:hidden;background:var(--sea);aspect-ratio:1/1;cursor:crosshair}
.pickmap svg{width:100%;height:100%;display:block}
.login{max-width:380px;margin:3rem auto;padding:0 1rem}
.login form{display:grid;gap:.8rem;margin-top:1rem}
.login label{display:flex;flex-direction:column;gap:.25rem;font-size:.85rem;color:var(--muted)}
.login input{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--rule);border-radius:4px;padding:.5rem .6rem}
.mapstatus{position:absolute;left:.75rem;top:.75rem;font-size:.78rem;color:var(--muted);background:color-mix(in srgb,var(--panel) 90%,transparent);padding:.2rem .5rem;border-radius:3px}
@media (max-width:860px){.form{grid-template-columns:1fr}.two{grid-template-columns:1fr}}
.brand{display:flex;flex-direction:column;gap:.2rem;min-width:0}
header.top .brand .sub{max-width:none}
.mapwrap,svg.map,.minimap svg,.pickmap svg{-webkit-user-select:none;user-select:none}
.totop{position:fixed;right:1rem;bottom:1rem;z-index:50;font:inherit;font-size:.9rem;background:var(--panel);color:var(--ink);border:1px solid var(--rule);border-radius:999px;padding:.45rem .9rem;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.15);opacity:0;pointer-events:none;transition:opacity .2s}
.totop.show{opacity:1;pointer-events:auto}
.scalebar{display:flex;align-items:flex-end;gap:.45rem;margin:0 0 .35rem;font-size:.78rem;color:var(--ink)}
.scalebar .sbl{display:block;height:7px;border:2px solid var(--ink);border-top:none;box-sizing:border-box}

.mapbtn{display:inline-block;margin:.2rem 0 1rem;padding:.5rem .9rem;border:1px solid var(--ink);border-radius:4px;text-decoration:none;color:var(--ink);background:var(--panel)}
.crumbs{font-size:.88rem;color:var(--muted)}
.crumbs a{color:var(--muted)}
.sitename{font:700 clamp(1.3rem,2.4vw,1.75rem)/1.2 "PT Serif",Georgia,serif}.sitename a{color:inherit;text-decoration:none}
.detail h1{font-size:clamp(1.6rem,3.2vw,2.3rem);margin:.2rem 0 .5rem}.page h1{font-size:1.8rem;margin-bottom:1rem}