:root{color-scheme:light;--paper:#f6f3ec;--ink:#26372f;--muted:#68736a;--line:#d8dcd2;--accent:#296b52}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px system-ui,sans-serif}header{padding:30px 36px 22px;border-bottom:1px solid var(--line)}.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:700;color:var(--muted)}h1{font:42px Georgia,serif;margin:10px 0}header p{margin:0;color:var(--muted)}main{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(340px,1fr);height:calc(100vh - 225px);min-height:560px}.map-panel{padding:24px;display:flex;flex-direction:column;min-width:0}.controls{display:flex;gap:12px;flex-wrap:wrap;align-items:end}label{display:flex;flex-direction:column;gap:5px;font-size:12px;font-weight:600}select,button{font:inherit;border:1px solid #bec8be;border-radius:6px;background:#fff;padding:8px;color:var(--ink)}#passage{max-width:260px}button,a{cursor:pointer}a{color:var(--accent)}#view-description,.hint{font-size:12px;line-height:1.6;color:var(--muted)}.legend{display:flex;gap:14px;font-size:11px;flex-wrap:wrap;margin-bottom:12px}.definition{color:#996c16}.axiom{color:#367887}.proposition{color:#b85c42}.corollary{color:#766597}#map{flex:1;min-height:250px;overflow:auto;background:#fffdf8;border:1px solid var(--line);border-radius:10px}svg{display:block}.edge{stroke:#c3ccc2;stroke-width:1.1;fill:none}.edge.active{stroke:var(--accent);stroke-width:2}.node{cursor:pointer}.node circle{stroke:#fff;stroke-width:2}.node.selected circle{stroke:var(--accent);stroke-width:4}.node text{font:11px system-ui;fill:#203129;text-anchor:middle;pointer-events:none}.node.dim{opacity:.22}.node:focus{outline:none}.node:focus circle{stroke:#172c21;stroke-width:4}#selection{font-size:13px;line-height:1.7;padding-top:14px}#selection strong{display:block;font:20px Georgia}#selection button{padding:4px 6px;margin:3px;font-size:11px}.reader-panel{background:#fffdf8;border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.reader-heading{padding:24px 28px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center}.reader-heading h2{font:24px Georgia;margin:7px 0 0}.reader-heading a{font-size:11px}#reader{overflow:auto;flex:1;padding:12px 32px 60px;scroll-behavior:smooth}#reader section{padding:18px 0;border-bottom:1px solid var(--line);scroll-margin-top:16px}#reader h3{font:22px Georgia;margin:5px 0 18px}#reader p{font:17px/1.8 Georgia,serif;margin:0 0 18px;scroll-margin-top:20px}#reader .current{background:#edf3e8;box-shadow:0 0 0 10px #edf3e8}#reader button{font-size:11px;background:transparent;border:0;color:var(--accent);padding:0;margin-bottom:10px}footer{padding:16px 36px;color:var(--muted);font-size:11px;line-height:1.8;border-top:1px solid var(--line)}:focus-visible{outline:3px solid #296b52;outline-offset:3px}@media(max-width:850px){header{padding:22px}h1{font-size:34px}main{grid-template-columns:1fr;height:auto}.map-panel{height:650px;padding:18px}.reader-panel{height:650px;border-left:0;border-top:1px solid var(--line)}footer{padding:18px}#reader{padding:12px 24px}}@media(prefers-reduced-motion:reduce){#reader{scroll-behavior:auto}}
#map svg.focus-map{width:100%;height:auto;min-width:550px}

.personal-tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}.personal-tools button,.import-label{font-size:11px}.import-label{border:1px solid #bec8be;border-radius:6px;background:white;padding:8px;cursor:pointer}.import-label input{max-width:170px;font-size:10px}#storage-status{font-size:11px;color:var(--muted)}#reader .personal-highlight{background:#fff0b8;box-shadow:0 0 0 8px #fff0b8}#reader .current.personal-highlight{background:#fff0b8;box-shadow:0 0 0 10px #e0bc56}.node.saved circle{stroke:#a27a13;stroke-width:4}.node.saved.selected circle{stroke:var(--accent)}

#map{position:relative}.hover-info{position:fixed;z-index:5;margin:0;padding:12px 16px;border:1px solid #b9caba;border-radius:8px;background:#f0f5ec;color:#26372f;font-size:13px;line-height:1.5;box-shadow:0 3px 12px #26372f12;pointer-events:none}.hover-info[hidden]{display:none}.node.dim,.edge{transition:opacity .12s,stroke .12s}@media(prefers-reduced-motion:reduce){.node.dim,.edge{transition:none}}

/* Keep every view inside its pane, including when browser zoom reduces space. */
body{min-height:100dvh;display:flex;flex-direction:column}header{flex:none;padding:20px 28px 16px}main{height:auto;min-height:0;flex:1;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}.map-panel{min-height:0}.reader-panel{min-width:0}#map{overflow:hidden;min-height:240px}#map svg,#map svg.focus-map{width:100%;height:100%;min-width:0;max-height:100%;object-fit:contain}#reader{min-height:0;overflow-wrap:anywhere}footer{position:relative;flex:none;clear:both;background:var(--paper)}
@media(min-width:851px){body{height:100dvh;min-height:650px}.map-panel{padding:18px;overflow:auto}#map{flex:1 0 260px}.reader-panel{overflow:hidden}.reader-heading{padding:18px 24px}#reader{flex:1 1 0}}
@media(max-width:850px){main{display:block}.map-panel{height:auto;min-height:650px}#map{height:480px;flex:none}.reader-panel{height:650px}footer{margin-top:0}}

header{padding:12px 24px}h1{font-size:30px;margin:0}.map-panel{gap:8px}.legend{margin:0}#selection{padding-top:0}#selection strong{font-size:17px}.personal-tools{margin-top:0}.personal-tools details{position:relative;font-size:12px}.personal-tools summary{cursor:pointer;padding:8px}.highlight-files{position:absolute;bottom:36px;left:0;z-index:6;display:flex;gap:8px;flex-direction:column;padding:12px;background:#fffdf8;border:1px solid var(--line);border-radius:8px;min-width:220px}footer{padding:8px 24px}.reader-heading .eyebrow{display:none}.reader-heading h2{margin:0;font-size:21px}@media(min-width:851px){#map{flex:1 1 350px;min-height:350px}.map-panel{padding:14px}}

/* Reserve a caption outside the map, keeping all node hit targets unobstructed. */
.hover-info{position:static;z-index:auto;margin:0;padding:0 2px;min-height:19px;border:0;border-radius:0;background:transparent;box-shadow:none;font-size:12px;line-height:19px;visibility:hidden;pointer-events:none}.hover-info.visible{visibility:visible}header{padding:8px 20px}h1{font-size:27px}.map-panel{gap:5px}.controls label{gap:3px}.controls select,.controls button{padding:6px 8px}footer{padding:5px 20px}#selection:empty{display:none}@media(min-width:851px){.map-panel{padding:10px 14px}#map{min-height:380px;flex-basis:380px}}

/* Give the full argument more breathing room; the page can extend below the fold. */
@media(min-width:851px){body{height:calc(100dvh + 160px)}#map{min-height:540px;flex-basis:540px}}@media(max-width:850px){#map{height:640px}.map-panel{min-height:800px}}

#map:has(.argument-text){overflow:auto}.argument-text{padding:20px 26px;max-width:900px;margin:auto}.argument-text h3{font:24px Georgia;margin:0 0 12px}.argument-text>p{font-size:12px;line-height:1.6;color:var(--muted)}.argument-text ol{padding-left:26px}.argument-text li{padding:12px;margin-bottom:12px;border-bottom:1px solid var(--line)}.argument-text li button{border:0;padding:0;background:none;font-weight:600;color:var(--accent);text-align:left}.argument-text li p{font:17px/1.7 Georgia;margin:10px 0}.argument-text small{color:var(--muted)}.argument-conclusion{background:#edf3e8;border-radius:6px}