@font-face{font-family:'Noto Mongolian';src:url('fonts/NotoSansMongolian-Regular.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
:root{--ink:#152330;--paper:#f0eee5;--gold:#b48b45;--muted:#63717b;--line:#d2d6d3;--kin:#567366;--power:#b55441;--mn:'Noto Mongolian','Mongolian Baiti',serif}
*{box-sizing:border-box}html{overflow-x:hidden}body{margin:0;background:var(--paper);color:var(--ink);font:22px/1.55 var(--mn);font-synthesis:none}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer;background:transparent;border:1px solid #b8c1c2;border-radius:3px;padding:8px;white-space:normal;min-width:44px}button:hover{background:#dde3de}button:focus-visible,textarea:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
header{background:var(--ink);color:#f5eedc;padding:14px 24px;display:flex;align-items:flex-start;gap:24px;border-bottom:3px solid var(--gold);min-width:0}.brand{flex:0 1 auto;min-width:0}.seal{display:none}.brand>div{writing-mode:vertical-lr;text-orientation:mixed;height:130px}.brand h1{font:28px/1.4 var(--mn);letter-spacing:0;margin:0;height:130px}.brand p{font:19px/1.5 var(--mn);color:#a9bac3;margin:0 10px;height:130px}.search{position:relative;display:flex;gap:8px;min-width:0;flex:1;max-width:320px}.search label{writing-mode:vertical-lr;height:130px;font-size:20px;color:#b5c4ca;flex-shrink:0}.search textarea{writing-mode:vertical-lr;text-orientation:mixed;resize:none;height:130px;width:100%;min-width:60px;font:22px/1.5 var(--mn);padding:8px;background:#243641;color:#fff;border:1px solid #53616a;border-radius:3px}.quiet{writing-mode:vertical-lr;text-orientation:mixed;height:130px;flex-shrink:0;margin-left:auto;font-size:21px;border-color:#62747e;color:#e6e3d6;white-space:normal}
#searchResults{position:absolute;left:0;top:calc(100% + 8px);width:min(420px,calc(100vw - 32px));max-height:260px;overflow:auto;background:#fff;color:var(--ink);z-index:20;box-shadow:0 12px 28px #0004;border:1px solid var(--line);padding:8px;white-space:nowrap}#searchResults button{writing-mode:vertical-lr;height:220px;display:inline-block;vertical-align:top;white-space:normal;margin-right:6px;font-size:23px}#searchResults span{font-size:18px;color:var(--muted);display:block;margin-left:6px}#searchResults p{writing-mode:vertical-lr;height:200px;font-size:22px;margin:0}
.topbar{display:flex;align-items:flex-start;gap:20px;padding:12px 24px;border-bottom:1px solid var(--line);background:#e6e8e0;min-width:0;flex-wrap:wrap}.tabs{display:flex;gap:4px}.tabs button{writing-mode:vertical-lr;text-orientation:mixed;height:110px;font-size:22px}.tabs button[aria-selected=true]{background:var(--ink);color:#f3eddd;border-color:var(--ink)}.focus{writing-mode:vertical-lr;text-orientation:mixed;height:110px;font-size:20px;display:block;cursor:pointer}.focus input{margin:0 0 8px;vertical-align:middle;width:16px;height:16px}.legend{display:flex;gap:12px;margin-left:auto;max-width:100%;height:110px;font-size:19px}.legend span{writing-mode:vertical-lr;height:110px}.legend span:before{content:'';height:18px;width:2px;background:var(--kin);display:inline-block;margin:0 0 6px 4px}.legend span.spouse:before{background:var(--gold)}.legend span.succession:before{background:var(--power)}.legend span.politics:before{background:transparent;border-left:2px dashed #777}
main{display:grid;grid-template-columns:minmax(0,1fr) 310px;height:clamp(510px,calc(100dvh - 300px),850px);min-width:0}.stage{min-width:0;min-height:0;display:flex;flex-direction:column;overflow:hidden;background-color:#eeeede;background-image:radial-gradient(#67796e26 1px,transparent 1px);background-size:22px 22px;border-right:1px solid #bbc7bf}.stageNote{display:flex;gap:12px;height:112px;flex:0 0 112px;padding:10px 14px;border-bottom:1px solid #c6cfc3;background:#eeeede;overflow-x:auto;overflow-y:hidden}.stageNote strong,.stageNote span{writing-mode:vertical-lr;text-orientation:mixed;height:90px;flex-shrink:0;font:19px/1.5 var(--mn)}.stageNote strong{max-width:none}.stageNote span{font-size:17px;color:#6b776e}#graph{width:100%;height:100%;min-height:0;flex:1 1 0;display:block;touch-action:none;cursor:grab}#graph:active{cursor:grabbing}.mapControls{display:flex;align-items:center;gap:8px;flex:0 0 auto;padding:8px 14px;border-top:1px solid #c6cfc3;background:#eeeede;overflow-x:auto}.mapControls button{background:#f7f4e9;flex-shrink:0;font-size:22px;min-height:44px}.mapControls #fit,.mapControls #home{writing-mode:vertical-lr;height:92px;font-size:20px}.mapFoot{display:none}
.node{cursor:pointer}.node rect{transition:fill .15s}.node:hover rect{fill:#455b50}.node:focus{outline:none}.node:focus rect{stroke:#b48330;stroke-width:4}.edge{fill:none;stroke-width:2.2}.dim{opacity:.4}.mn-node{width:100%;height:100%;display:flex;justify-content:center;align-items:center;gap:10px;padding:4px;pointer-events:none;color:#23392e}.mn-name,.mn-alias{writing-mode:vertical-lr;text-orientation:mixed;height:220px;line-height:1.4;word-break:normal;overflow-wrap:normal;flex-shrink:0}.mn-name{font-size:29px;max-width:84px}.mn-alias{font-size:20px;color:#6d7b72;max-width:56px}.mn-node.selected{color:#f4e4be}.mn-node.selected .mn-alias{color:#bfcac6}.mn-edge{font:18px/1.3 var(--mn);writing-mode:vertical-lr;text-orientation:mixed;height:145px;background:#eeeedeea;color:#54665c;padding:4px;width:max-content;max-width:85px}
aside{min-width:0;min-height:0;writing-mode:vertical-lr;text-orientation:mixed;overflow:auto;background:#f8f6ee;padding:18px;font:23px/1.8 var(--mn);scrollbar-gutter:stable}aside .overline{font-size:19px;color:#82632c}aside h2{font:30px/1.5 var(--mn);margin:0 8px}aside .alias{font-size:21px;color:#63727b;margin:0 8px 0 18px}aside p{font-size:23px;line-height:1.8;margin:0 14px;max-height:100%;overflow-wrap:normal}aside h3{font-size:22px;border-left:1px solid #cfd6cf;padding:0 8px;margin:0 18px 0 8px}.relations{display:flex;flex-direction:column;gap:8px;max-height:100%;align-items:flex-start}.relations button{writing-mode:vertical-lr;max-height:100%;height:210px;flex-shrink:0;padding:8px;font-size:22px;border:1px solid #d2d7ca;text-align:start}.relations span{display:block;color:#69766e;font-size:18px;margin-left:6px}.source{display:block;font-size:20px;color:#476b64;margin:0 9px;max-height:100%}
.timeline{background:#182c36;color:#f2e9d8;padding:18px 24px;display:flex;gap:18px;min-width:0}.timehead{display:flex;gap:10px;flex-shrink:0}.timehead h2{font:24px/1.5 var(--mn);writing-mode:vertical-lr;height:210px;margin:0}.timehead span{writing-mode:vertical-lr;font-size:19px;height:210px;color:#afbdc1;max-width:70px}#events{display:flex;min-width:0;overflow-x:auto;gap:8px;padding-bottom:10px;scroll-snap-type:x proximity}#events button{writing-mode:vertical-lr;text-orientation:mixed;height:220px;min-width:90px;flex-shrink:0;font-size:22px;padding:12px 8px;border:0;border-top:2px solid #62766f;border-radius:0;scroll-snap-align:start;text-align:start}#events strong{display:block;color:#dbbc7a;font:21px/1.5 var(--mn);margin:0 8px 0 0}#events button:hover{background:#2a424a}#events .active{border-top-color:#f1cb7c;background:#2c444b}footer{writing-mode:vertical-lr;height:180px;font-size:19px;margin:16px 24px;max-width:calc(100% - 48px);overflow:auto;line-height:1.7}
dialog{width:min(1000px,calc(100vw - 32px));height:min(650px,80dvh);max-height:80dvh;writing-mode:vertical-lr;text-orientation:mixed;overflow:auto;font:23px/1.8 var(--mn);padding:20px;background:#f5f2e8;color:var(--ink);border:1px solid var(--gold)}dialog::backdrop{background:#152330bb}dialog h2{font:28px/1.6 var(--mn);margin:0 16px}dialog h3{font-size:24px;margin:0 14px}dialog p{margin:0 14px;max-height:100%}#closeAbout{writing-mode:vertical-lr;font-size:22px;margin-right:18px;position:sticky;left:0;background:#f5f2e8;z-index:1}#allSources a{display:block;color:#346657;font-size:21px;margin:0 14px;max-height:100%}
@media(max-width:1100px){main{display:block;height:auto}.stage{height:clamp(550px,75dvh,800px);border-right:0}aside{height:350px;border-top:1px solid var(--line)}header{gap:14px;padding:12px 16px}.topbar{padding:10px 16px;gap:12px}}
@media(max-width:600px){header{flex-wrap:wrap;gap:12px}.brand{flex:1}.brand>div,.brand h1,.brand p{height:120px}.brand h1{font-size:26px}.brand p{font-size:18px}.quiet{height:120px;font-size:19px}.search{order:3;flex-basis:100%;max-width:none}.search label,.search textarea{height:100px}.search textarea{font-size:21px}.topbar{gap:10px}.tabs button{height:110px;font-size:20px}.focus{height:110px;font-size:18px}.legend{margin-left:0;gap:8px;font-size:17px;height:100px}.legend span{height:100px}.stage{height:620px;height:clamp(540px,80dvh,700px)}.stageNote{height:106px;flex-basis:106px;padding:8px 12px}.stageNote strong,.stageNote span{height:88px}.stageNote strong{font-size:18px}.stageNote span{font-size:16px}.mapControls{gap:6px;padding:8px 12px}.mapControls #fit,.mapControls #home{height:86px;font-size:19px}aside{height:360px;padding:16px;font-size:22px}aside h2{font-size:28px}aside p{font-size:22px}.timeline{padding:16px 12px;gap:12px}.timehead span{display:none}.timehead h2{font-size:22px}#events button{font-size:21px;min-width:82px}footer{margin:14px 16px;max-width:calc(100% - 32px)}dialog{padding:14px;font-size:22px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Keep long Mongolian words intact inside explanatory columns. */
.stageNote{height:190px;flex-basis:190px}.stageNote strong,.stageNote span{height:168px}
.node:hover rect{fill:#fff8da}.node:hover .mn-node{color:#23392e}.node:hover .mn-alias{color:#56675c}
@media(max-width:1100px){.stage{height:clamp(650px,85dvh,850px)}}
@media(max-width:600px){.stageNote{height:186px;flex-basis:186px}.stageNote strong,.stageNote span{height:168px}}
/* Phone layout: keep the graph in the first screen instead of stacking desktop chrome. */
html,body{width:100%;min-width:0;max-width:100%;-webkit-text-size-adjust:100%;text-size-adjust:100%}
header,.topbar,main,.stage,.timeline{width:100%;max-width:100%;min-width:0}
.mobileIcon{display:none}
@media(max-width:600px){
 body{overflow-x:clip}
 header{height:108px;padding:8px 12px;flex-wrap:nowrap;align-items:flex-start;gap:10px;position:relative;z-index:5}
 .brand{flex:1 1 0;min-width:0;overflow:hidden}.brand>div,.brand h1{height:88px}.brand h1{font-size:23px;line-height:1.4}.brand p{display:none}
 .mobileIcon{display:block;flex:0 0 44px;width:44px;height:44px;font:30px/1 system-ui;color:#f5eedc;border-color:#62747e}
 .quiet{writing-mode:horizontal-tb;height:44px;width:44px;min-width:44px;margin:0;padding:0;flex:0 0 44px;font:25px/1 system-ui}.quiet::before{content:'ⓘ'}
 .quiet .buttonText,.mapControls .buttonText{display:none}
 header .search{display:none;position:absolute;top:100%;left:0;right:0;width:100%;max-width:100%;padding:12px;background:#152330;box-shadow:0 6px 10px #0003}
 .search-open header .search{display:flex}.search label,.search textarea{height:150px}.search textarea{font-size:22px}
 #searchResults{top:100%;left:12px;right:12px;width:auto;max-height:245px}
 .topbar{height:114px;padding:8px 12px;gap:12px;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;align-items:flex-start}
 .tabs{flex:0 0 auto}.tabs button{height:96px;font-size:19px;padding:6px;line-height:1.4}
 .focus{height:96px;flex:0 0 auto;font-size:17px;line-height:1.4;max-width:none}.legend{display:none}
 main{display:block;height:auto}.stage{height:calc(100svh - 222px);min-height:370px;max-height:720px;overflow:hidden}
 .stageNote{display:none}#graph{width:100%;min-width:0;min-height:0;flex:1 1 0}
 .mapControls{height:60px;flex:0 0 60px;padding:8px 12px;gap:10px;justify-content:center;overflow:hidden}
 .mapControls button,.mapControls #fit,.mapControls #home{writing-mode:horizontal-tb;width:44px;height:44px;min-width:44px;min-height:44px;padding:0;font:24px/1 system-ui}
 .mapControls #fit::before{content:'⛶'}.mapControls #home::before{content:'⌂'}
 aside{width:100%;max-width:100%;height:330px;min-width:0;padding:16px;overflow:auto;scrollbar-gutter:auto}
 .timeline{display:block;padding:14px 12px}.timehead{display:none}#events{width:100%;max-width:100%;height:235px}
 footer{box-sizing:border-box;width:calc(100% - 32px);max-width:calc(100% - 32px);height:190px;overflow:auto}
 dialog{width:calc(100vw - 24px);max-width:calc(100vw - 24px);height:75svh;max-height:75svh;margin:auto}
}
.research-gap{cursor:pointer}.research-gap-line{fill:none;stroke:#99713b;stroke-width:2;stroke-dasharray:5 6}.research-gap:focus rect{stroke:#152330;stroke-width:4}.mn-gap{display:flex;justify-content:center;gap:12px;height:100%;width:100%;padding:2px;color:#614b2c;pointer-events:none}.mn-gap strong,.mn-gap span{writing-mode:vertical-lr;text-orientation:mixed;height:230px;line-height:1.5;font-weight:400}.mn-gap strong{font-size:26px}.mn-gap span{font-size:20px}.legend span.uncertain:before{background:transparent;border-left:2px dotted #99713b}.gap-anchor{writing-mode:vertical-lr;height:160px;max-height:100%;margin:0 14px;border-color:#b69e70}
.mn-gap{gap:18px}.mn-gap strong,.mn-gap span{height:182px}.mn-gap strong{font-size:24px}
.mapControls .generation-jump{font:24px/1 system-ui;width:44px;height:44px;padding:0;min-width:44px;flex-shrink:0}
@media(max-width:600px){.mapControls{justify-content:flex-start;overflow-x:auto;overflow-y:hidden;gap:6px}}

.relation-status{display:flex;gap:10px;flex:0 0 168px;height:168px;padding:10px 14px;background:#f3e7ca;border-bottom:1px solid #b99c69;overflow-x:auto;overflow-y:hidden}.relation-status[hidden]{display:none}.relation-status p{writing-mode:vertical-lr;height:146px;font-size:18px;margin:0;flex-shrink:0}.relation-status button{writing-mode:vertical-lr;height:146px;font-size:18px;flex-shrink:0;background:#fff8e7}.legend span.contact:before{background:none;border-left:3px dotted #466e9a}.context-node rect{stroke-dasharray:5 3}.context-node .mn-alias{color:#496b90}
@media(max-width:600px){.relation-status{padding:8px;gap:8px;flex-basis:160px;height:160px}.relation-status p,.relation-status button{height:142px;font-size:17px}.stage:has(.relation-status:not([hidden])){min-height:540px}}

.tribe-route{writing-mode:vertical-lr;height:110px;font-size:22px;display:block;text-decoration:none;border:1px solid #b8c1c2;border-radius:3px;padding:8px;color:inherit;background:#f8f4e6;flex-shrink:0}.tribe-route:hover{background:#e6dcc4}@media(max-width:600px){.topbar .tabs{max-width:100%;overflow-x:auto;flex-shrink:0}.tribe-route{height:94px;font-size:19px;padding:6px}.topbar{overflow-x:auto;flex-wrap:nowrap}}

.tribal-library-link{display:block;writing-mode:vertical-lr;height:140px;flex-shrink:0;padding:8px 10px;border:1px solid #a89261;color:#36594e;text-decoration:none;font-size:21px;background:#f5efdc}

.calendar-route{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;color:inherit;text-decoration:none;border:1px solid #82958b;border-radius:4px;font:26px system-ui;flex-shrink:0}