:root{--bg:#f5f5ef;--panel:#fffefa;--ink:#253b35;--muted:#67776d;--line:#dfe4da;--green:#326453;--soft:#e9efe7;--gold:#a37b44;--shadow:0 12px 40px #203f3010;--original:#f2f1e9;--caution:#95652e;--warn:#fbf0de;--grid:#c6cfbf55;color-scheme:light}
*{box-sizing:border-box}html{height:100%;overflow:hidden}body{margin:0;height:100vh;height:100dvh;height:var(--app-height,100vh);display:flex;flex-direction:column;overflow:hidden;background:var(--bg);color:var(--ink);font:14px/1.65 "Microsoft YaHei","PingFang SC",system-ui,sans-serif;padding-top:env(safe-area-inset-top);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);padding-bottom:env(safe-area-inset-bottom)}body.dark{--bg:#17231f;--panel:#1d2b25;--ink:#e1e8df;--muted:#a0b2a4;--line:#36463c;--green:#9cccb1;--soft:#2c4135;--original:#26382d;--caution:#e1b775;--warn:#413729;--grid:#66827130;color-scheme:dark}
[hidden]{display:none!important}button,input,select,textarea{font:inherit}button,.button{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:8px;padding:9px 12px;line-height:1.5;touch-action:manipulation}button:hover,.button:hover{background:var(--soft)}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--green);outline-offset:3px}button.active{color:var(--green);background:var(--soft)}button.primary{background:var(--green);color:var(--panel);border-color:var(--green)}button.soft,.soft{background:var(--soft);border-color:transparent}a{color:var(--green);overflow-wrap:anywhere}h1,h2,h3,p{margin-top:0}.eyebrow{font:10px/1.4 system-ui;letter-spacing:2px;color:var(--muted)}h1 em{font-family:serif;font-style:normal;color:var(--green)}input,select,textarea{min-width:0;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--ink);padding:10px 12px}input,select{min-height:44px}input:focus,textarea:focus{scroll-margin-block:80px}kbd{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:3px;padding:0 5px}
header{display:flex;align-items:center;gap:12px;flex:none;border-bottom:1px solid var(--line);padding:12px 20px;background:var(--panel);min-width:0}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:22px;font-weight:600;letter-spacing:3px;flex:none}.brand small{display:block;font:9px/1.6 system-ui;letter-spacing:1.2px;color:var(--muted)}.logo{width:40px;height:44px;background:var(--green);border-radius:9px;color:var(--panel);display:grid;place-items:center;font:24px Georgia,serif}nav{display:flex;gap:4px;min-width:0}nav button{border:0;white-space:nowrap}nav button.active{background:var(--soft)}#open-search{margin-left:auto;gap:10px}#theme{font-size:23px;padding:6px 10px;flex:none}#open-catalog{white-space:nowrap;flex:none}
main{flex:1;min-height:0;min-width:0;display:grid;grid-template-columns:minmax(0,1fr);position:relative;overflow:hidden}main[data-module="map"]{grid-template-columns:var(--catalog-col,248px) minmax(0,1fr) var(--detail-col,360px)}main.catalog-closed{--catalog-col:0px}main[data-detail-mode="closed"]{--detail-col:0px}aside{background:var(--panel);min-width:0;min-height:0}#catalog{display:flex;flex-direction:column;border-right:1px solid var(--line);overflow:hidden}main.catalog-closed #catalog,main:not([data-module="map"]) #catalog,main:not([data-module="map"]) #detail,main[data-detail-mode="closed"] #detail{display:none}.side-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:18px 14px 8px;flex:none}.side-head h2{font-size:20px;margin:0}.side-head button{font-size:12px;padding:8px}.catalog-actions{padding:0 14px}.catalog-actions button{width:100%;font-size:13px}#catalog-stats{padding:12px 18px;color:var(--muted);font-size:12px}#tree{padding:0 8px 20px;flex:1;min-height:0;overflow:auto;overscroll-behavior:contain}.tree-row{display:flex;align-items:stretch;min-height:44px;gap:2px;border-radius:6px}.tree-row.selected{background:var(--soft)}.tree-row button{border:0;background:none;padding:8px 3px;text-align:left;justify-content:flex-start;font-size:14px;overflow-wrap:anywhere;flex:1;min-width:0}.tree-row .tree-toggle{flex:0 0 44px;justify-content:center;font-size:20px}.tree-spacer{flex:0 0 16px}.tree-children{padding-left:8px;border-left:1px solid var(--line);margin-left:15px}.tree-row .done{align-self:center;font-size:12px;color:var(--green);padding:0 3px}footer{padding:12px 18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);flex:none}
.view{min-width:0;min-height:0;overflow:auto;overscroll-behavior:contain}main:not([data-module="map"])>.view{width:100%;max-width:1180px;margin:0 auto}#map-view{display:flex;flex-direction:column;overflow:hidden}.map-top{padding:20px 24px 8px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex:none}.map-top h1{font-size:23px;line-height:1.5;font-weight:500;letter-spacing:.5px;margin:6px 0}.map-top button{font-size:12px;white-space:nowrap}.map-top .eyebrow{font-size:9px}#breadcrumbs{flex:none;padding:0 18px;display:flex;align-items:center;gap:2px;min-height:44px;position:relative;min-width:0;color:var(--muted);font-size:12px}#breadcrumbs>button{border:0;background:none;max-width:160px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;display:block;font-size:12px;padding:8px;flex-shrink:1;min-width:44px}.crumb-menu{position:absolute;top:100%;left:18px;right:18px;max-height:40vh;overflow:auto;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);z-index:12;padding:8px;border-radius:8px}.crumb-menu button{display:block;width:100%;text-align:left;overflow-wrap:anywhere;margin-bottom:4px}.selection-bar{display:flex;align-items:center;gap:10px;padding:4px 18px 10px;flex:none;min-width:0}.selection-bar>span{flex:1;min-width:0;font-size:14px;line-height:1.5;overflow:auto;max-height:66px;overflow-wrap:anywhere}.selection-bar button{flex:none;font-size:14px}#canvas{flex:1;min-height:120px;position:relative;overflow:hidden;margin:0 16px;border:1px solid var(--line);border-radius:12px;background-image:radial-gradient(var(--grid) 1px,transparent 1px);background-size:19px 19px;touch-action:none;cursor:grab;user-select:none}#canvas.dragging{cursor:grabbing}.canvas-caption{position:absolute;top:12px;left:14px;color:var(--muted);font-size:12px;z-index:2;pointer-events:none}.canvas-caption span{margin-left:10px}#world{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform}#edges{position:absolute;overflow:visible;pointer-events:none;width:1px;height:1px}#edges path{stroke:var(--line);stroke-width:2;fill:none}.map-node{position:absolute;width:280px;height:104px;border-radius:11px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;align-items:stretch;overflow:hidden}.map-node.root{background:var(--green);color:var(--panel);border-color:var(--green)}.map-node.selected{outline:2px solid var(--green);outline-offset:4px}.map-node .node-select{background:transparent;color:inherit;border:0;border-radius:0;flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:7px;padding:12px;text-align:left}.node-title{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;overflow-wrap:anywhere;max-height:48px}.node-meta{font-size:12px;color:var(--muted)}.root .node-meta{color:inherit;opacity:.85}.node-expand{flex:0 0 48px;align-self:stretch;border:0;border-left:1px solid var(--line);border-radius:0;padding:3px;background:var(--soft);color:var(--green);flex-direction:column;font-size:22px}.node-expand small{font-size:12px}.root .node-expand{background:transparent;color:inherit;border-color:#ffffff40}.map-node button:hover{background:var(--soft);color:var(--ink)}#branch-hint{position:absolute;left:12px;right:12px;bottom:12px;display:flex;align-items:center;justify-content:space-between;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:12px;z-index:2}#branch-hint button{border:0;font-size:13px}#tools{flex:none;display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:5px;padding:10px 12px 4px;min-width:0}.tool-group{display:flex;align-items:center;gap:3px}#tools button{font-size:12px;padding:8px}#tools output{font-size:12px;color:var(--muted);min-width:40px;text-align:center}.map-foot{padding:4px 20px 10px;display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);flex:none;flex-wrap:wrap}
#detail{display:flex;flex-direction:column;border-left:1px solid var(--line);overflow:hidden}.reader-bar{flex:none;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--panel);min-width:0}.reader-bar button{font-size:13px;margin-bottom:8px}.reader-bar h2{font-size:21px;line-height:1.6;font-weight:500;margin:0;overflow-wrap:anywhere;max-height:30vh;overflow:auto}#detail-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scroll-padding-block:20px 80px}.detail-welcome{padding:32px 24px}.detail-welcome h2{font-size:22px;font-weight:500}.detail-welcome p{color:var(--muted);line-height:1.8}.legend{display:flex;gap:6px;flex-wrap:wrap;margin:20px 0}.pill{display:inline-block;font-size:12px;padding:4px 8px;border-radius:5px;background:var(--soft);color:var(--green)}.pill.original{background:var(--original);color:var(--ink)}.pill.caution{background:var(--warn);color:var(--caution)}.detail-header{padding:20px 22px 12px}.detail-path{font-size:13px;color:var(--muted);overflow-wrap:anywhere}.source-links{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;margin:12px 0}.source-links a{display:inline-flex;align-items:center;min-height:44px;padding:5px 0;flex-wrap:wrap}.detail-actions{display:flex;gap:8px;flex-wrap:wrap}.detail-actions button{font-size:13px}.detail-body{padding:8px 22px 30px}.detail-block{margin-bottom:22px}.detail-block h3{font-size:16px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;flex-wrap:wrap;gap:8px}.detail-block h3 small{font-size:12px;font-weight:400;color:var(--muted)}.detail-block p,.detail-block blockquote{font-size:16px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.detail-block blockquote{padding:16px;border-radius:9px;background:var(--original);border-left:3px solid var(--gold)}details.assist-block{border:1px solid var(--line);border-radius:8px;margin:12px 0;padding:0 14px}details.assist-block summary{min-height:48px;cursor:pointer;font-size:16px;padding:12px 0;color:var(--green)}details.assist-block p{padding:0 0 16px;font-size:16px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.warning{padding:14px;background:var(--warn);border-radius:7px;color:var(--caution);font-size:14px;margin:12px 0;line-height:1.8;overflow-wrap:anywhere}.warning a{color:inherit}.child-link,.related-link{display:block;width:100%;font-size:14px;text-align:left;margin:8px 0;padding:12px;overflow-wrap:anywhere}.related-link small{display:block;font-size:12px;color:var(--muted);margin-top:7px;line-height:1.7}.note-input{width:100%;min-height:150px;font-size:16px;line-height:1.8;resize:vertical;scroll-margin-block:100px}.source-label,.muted{font-size:13px;color:var(--muted);line-height:1.8}.detail-block .descendants{max-height:400px;overflow:auto;overscroll-behavior:contain}.small{font-size:12px}.page-heading{padding:32px 28px 24px}.page-heading h1{font-size:28px;line-height:1.6;font-weight:500;margin:8px 0}.page-heading p{font-size:15px;color:var(--muted);margin:0}.segmented{display:flex;margin:0 28px 20px;gap:8px}.filters{display:flex;gap:8px;margin:0 28px 20px;flex-wrap:wrap;min-width:0}.filters input{flex:1;min-width:170px}.filters select{max-width:260px;min-width:140px}.filters>span{font-size:13px;color:var(--muted);align-self:center}#term-list,#coverage-body,#progress-body{padding:0 28px 32px;min-width:0}.term-card,.compare-card,.audit-card,.progress-card{border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:20px;margin-bottom:14px;min-width:0;overflow-wrap:anywhere}.term-card .context{font-size:13px;color:var(--muted);margin-bottom:10px}.term-card blockquote{margin:12px 0;padding:16px;background:var(--original);font-size:16px;line-height:1.8;border-radius:7px}.term-card p,.compare-card p{font-size:14px;color:var(--muted);margin:12px 0;line-height:1.8}.term-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}.term-bottom span{font-size:13px;color:var(--muted)}.compare-card h3{font-size:20px;font-weight:500}.comparison-row{padding:14px 0;border-top:1px solid var(--line)}.comparison-row blockquote{font-size:16px;line-height:1.8;margin:10px 0;white-space:pre-wrap}.comparison-row small{color:var(--muted);font-size:13px}.actions{padding:0 28px 24px;display:flex;gap:10px;flex-wrap:wrap}.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:20px}.stat{border:1px solid var(--line);background:var(--panel);padding:18px;border-radius:9px;overflow-wrap:anywhere}.stat strong{display:block;font-size:28px;font-weight:500;color:var(--green)}.stat span{color:var(--muted);font-size:13px}.audit-card h3{font-size:20px}.audit-card p,.audit-card li{font-size:15px;color:var(--muted);line-height:1.8}table{border-collapse:collapse;width:100%;font-size:14px;background:var(--panel);min-width:620px}th,td{padding:12px;text-align:left;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:400}td button{font-size:14px;border:0;text-align:left;justify-content:flex-start;background:none}.table-wrap{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;border:1px solid var(--line);border-radius:9px}.progress-line{height:4px;background:var(--soft);margin:9px 0;border-radius:2px}.progress-line span{display:block;height:100%;background:var(--green);border-radius:2px}.progress-row{padding:10px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;min-width:0}.progress-row button{flex:1;min-width:0;display:block;font-size:15px;border:0;background:none;text-align:left;overflow-wrap:anywhere}.progress-row small{font-size:13px;color:var(--muted);white-space:nowrap}.inline-links{display:flex;gap:12px;flex-wrap:wrap;font-size:14px}.inline-links a{min-height:44px;display:inline-flex;align-items:center}.badge-row{display:flex;gap:6px;flex-wrap:wrap}.load-more{width:100%;margin:10px 0;font-size:15px}.list-status{font-size:13px;color:var(--muted);text-align:center}
#backdrop{position:fixed;inset:0;background:#10251d70;z-index:30}#search-panel{position:fixed;z-index:50;inset:4% max(24px,calc((100% - 800px)/2));height:calc(var(--app-height,100dvh) - 8%);max-height:calc(var(--app-height,100dvh) - 16px);background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 70px #0003;display:flex;flex-direction:column;min-width:0;overflow:hidden}.search-head{padding:18px 22px 10px;flex:none;display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;border-bottom:1px solid var(--line)}.search-head h2{font-size:21px;margin:0}.search-head input{grid-column:1/-1;width:100%;font-size:16px}.search-head p{grid-column:1/-1;font-size:13px;color:var(--muted);margin:0}#search-results{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:8px 14px 20px}.search-result{width:100%;display:block;text-align:left;padding:16px 12px;border:0;border-bottom:1px solid var(--line);border-radius:0;overflow-wrap:anywhere}.search-result strong{font-size:16px;font-weight:500}.search-result small{display:block;font-size:13px;color:var(--muted);margin:8px 0}.search-result p{font-size:14px;line-height:1.8;margin:6px 0;max-height:52px;overflow:hidden;color:var(--muted)}mark{background:#d8d7a5;color:#273a2d;padding:0 2px}#toast{position:fixed;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);background:var(--ink);color:var(--panel);padding:12px 18px;border-radius:8px;font-size:14px;z-index:70}#storage-warning{flex:none;background:var(--warn);color:var(--caution);padding:8px 20px;font-size:13px}.empty-state{padding:36px 16px;text-align:center;color:var(--muted);font-size:15px}
main[data-detail-mode="overlay"] #detail{position:fixed;z-index:40;inset:8px 8px auto auto;width:min(760px,calc(100% - 16px));height:calc(var(--app-height,100dvh) - 16px);max-height:calc(100dvh - 16px);border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 70px #0003;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}
@media(min-width:1550px){main[data-module="map"]{--catalog-col:270px;--detail-col:400px}main.catalog-closed{--catalog-col:0px!important}main[data-detail-mode="closed"]{--detail-col:0px!important}}
@media(max-width:1199px){header{padding:8px 16px;gap:8px}.brand small{display:none}.brand{font-size:21px;gap:8px}nav button{font-size:14px;padding:8px 10px}#open-search kbd{display:none}main[data-module="map"]{grid-template-columns:minmax(0,1fr)}main[data-module="map"][data-detail-mode="side"]{grid-template-columns:minmax(0,1fr) 400px}#catalog{position:fixed;z-index:40;inset:0 auto auto 0;width:min(380px,calc(100% - 24px));height:var(--app-height,100dvh);padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);border-right:1px solid var(--line);box-shadow:0 10px 60px #0003}main:not(.catalog-open) #catalog{display:none}.side-head{padding-top:14px}.map-top{padding:10px 18px 0}.map-top .eyebrow{display:none}.map-top h1{font-size:18px;margin:0}.map-top button{padding:8px;font-size:13px}#breadcrumbs{padding:0 12px}.selection-bar{padding:0 16px 8px}.map-foot{font-size:12px;padding-bottom:6px}#tools{padding-top:8px}#tools button{font-size:13px}.reader-bar h2{font-size:22px}.page-heading{padding-top:24px}}
@media(max-width:899px){header{flex-wrap:wrap;gap:6px;padding:6px 12px}nav{order:2;width:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px}nav button{font-size:14px;padding:8px 2px}#open-search{margin-left:auto}main[data-module="map"][data-detail-mode="side"]{grid-template-columns:minmax(0,1fr)}.map-top h1{font-size:17px}.map-top{padding:10px 16px 2px}#canvas{margin:0 12px}#tools{gap:4px}.map-foot{padding:4px 16px 8px}#search-panel{inset:8px;height:calc(var(--app-height,100dvh) - 16px);max-height:none}.search-head{padding:14px 16px 10px}.reader-bar{padding:12px 20px}.detail-header{padding:16px 24px 8px}.detail-body{padding:8px 24px 30px}main[data-detail-mode="overlay"] #detail{width:calc(100% - 16px);max-height:none}.page-heading h1{font-size:25px}.filters select{max-width:100%;flex:1}.page-heading,.actions{padding-left:20px;padding-right:20px}.filters,.segmented{margin-left:20px;margin-right:20px}#term-list,#coverage-body,#progress-body{padding-left:20px;padding-right:20px}}
@media(max-width:499px){header{padding:5px 8px}.brand{font-size:19px;letter-spacing:1px}.logo{width:30px;height:36px;font-size:21px}.brand small{display:none}#open-catalog,#open-search{font-size:13px;padding:8px}#theme{font-size:21px}nav button{font-size:13px}.map-top{padding:8px 12px 0}.map-top h1{font-size:15px}.map-top button{font-size:12px;max-width:120px;white-space:normal}.selection-bar>span{font-size:13px}.selection-bar button{font-size:13px;padding:8px}.selection-bar{padding:0 12px 6px}#breadcrumbs{padding:0 8px}#breadcrumbs>button{max-width:100px}#tools button{font-size:12px;padding:8px 7px}.tool-group{gap:2px}.map-foot>span:first-child{display:none}.map-foot{padding:3px 12px 6px}#canvas{margin:0 8px}.canvas-caption{font-size:11px}.reader-bar{padding:10px 16px}.reader-bar h2{font-size:20px}.detail-header,.detail-body{padding-left:16px;padding-right:16px}.reader-bar h2{max-height:25vh}.page-heading{padding:20px 16px}.page-heading h1{font-size:23px}.page-heading p{font-size:14px}#term-list,#coverage-body,#progress-body{padding:0 12px 24px}.filters,.segmented{margin-left:12px;margin-right:12px}.filters input{width:100%;flex-basis:100%}.stat-grid{gap:6px}.stat{padding:12px 8px}.stat strong{font-size:25px}.stat span{font-size:12px}.term-card,.compare-card,.audit-card,.progress-card{padding:16px}.progress-row small{font-size:12px}.actions{padding-left:12px;padding-right:12px}.search-head{padding:12px}.search-head h2{font-size:20px}.search-head button{font-size:13px}}

/* Explicit tracks keep the map in place when the directory is closed. */
@media(min-width:1200px){main[data-module="map"]>#catalog{grid-column:1;grid-row:1}main[data-module="map"]>#map-view{grid-column:2;grid-row:1}main[data-module="map"]>#detail{grid-column:3;grid-row:1}}
@media(max-width:1199px){main[data-module="map"]>#map-view{grid-column:1;grid-row:1}main[data-module="map"][data-detail-mode="side"]>#detail{grid-column:2;grid-row:1}}

.node-meta{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Keep reading controls inside the visible viewport when the keyboard pans it. */
main[data-detail-mode="overlay"] #detail,#search-panel{top:calc(var(--viewport-top,0px) + 8px);bottom:auto;height:calc(var(--app-height,100vh) - 16px)}
@media(max-width:1199px){#catalog{top:var(--viewport-top,0px)}}

.pwa-settings{margin:0 28px 24px}.pwa-settings h2{font-size:20px;font-weight:500;margin-bottom:10px}.pwa-settings .pwa-actions{padding:0;gap:8px}.pwa-settings button{font-size:14px}.pwa-settings p{overflow-wrap:anywhere}#pwa-badge{color:var(--green)}@media(max-width:899px){.pwa-settings{margin:0 20px 20px}}@media(max-width:499px){.pwa-settings{margin:0 12px 20px}}