:root{--paper:#f5f1e7;--ink:#252c2a;--muted:#66736b;--line:#d4d3c6;--green:#234e47;--accent:#a3422e;--gold:#93642d;--water:#487c98;--cream:#fffcf3;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;scroll-behavior:smooth}*{box-sizing:border-box}body{margin:0}a{color:var(--green);text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:disabled{opacity:.45;cursor:default}.masthead{padding:23px 4vw;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:16px;font-size:12px;letter-spacing:.11em;text-transform:uppercase}.masthead a{text-decoration:none}.brand{font-weight:bold;letter-spacing:.16em}.hero{padding:74px 8vw 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.waterline.hydro{stroke:#6e9bb0;stroke-width:.75;opacity:.48}.city-shape{transition:fill .4s}.city.highlight .city-shape{animation:mark-arrive .45s ease-out}@keyframes mark-arrive{from{transform:scale(.65)}to{transform:scale(1)}}

/* Narrow screens: labels and long bibliographic addresses remain inside the page. */
.bibliography{overflow-wrap:anywhere}.method-grid>div{min-width:0}.date-table{max-width:100%}
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@media(max-width:380px){.map-viewport{height:350px}}
/* Documents and the evidence-based watchpost layer. */
.document-quote{margin:30px 0;padding:23px 24px;background:#e9e8da;border-left:3px solid var(--green)}.document-quote .quote-label{font:10px Arial,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:15px}.document-quote p{font:italic 24px/1.4 Georgia,serif;margin-bottom:16px}.document-quote footer{font:12px/1.55 Arial,sans-serif;color:#536458}.watch-register{margin:30px 0;border:1px solid var(--line);padding:18px}.watch-register summary{font-size:14px;line-height:1.5;cursor:pointer;color:var(--green);font-weight:bold}.watch-register ol{padding:0;list-style:none}.watch-register li{padding:18px 0;border-bottom:1px solid var(--line)}.watch-register li strong{display:block;font:20px Georgia,serif}.watch-register li span{display:block;font:12px/1.6 Arial,sans-serif;color:var(--accent);margin:8px 0}.watch-register li p,.watch-register>p{font:13px/1.65 Arial,sans-serif;margin:8px 0}.watch-register .location-note{color:var(--muted)}.historical-figure{margin:32px 0}.historical-figure img{width:100%;height:auto;display:block;border:1px solid var(--line);background:white}.historical-figure figcaption{font:12px/1.6 Arial,sans-serif;color:var(--muted);margin-top:12px}.map-scope{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:0 18px 10px}.map-scope .control{font-size:11px;min-height:28px;padding:5px 9px}.map-scope span{font-size:10px;line-height:1.4;color:var(--muted);flex:1;min-width:150px;margin-left:6px}.city.watch .city-shape{fill:#fffaf0;stroke:#7a4d74;stroke-width:1.8;stroke-dasharray:3 2}.city.watch .watch-number{font:bold 11px Arial,sans-serif;fill:#6d3e67;pointer-events:none}.watch-number:empty{display:none}.city-label.watch-label{fill:#613e5b;font-size:12px}.swatch.watch{border:1.5px dashed #7a4d74;border-radius:50%;background:transparent;width:11px;height:11px}.legend [hidden]{display:none}.fullscreen-map .map-viewport{height:calc(100dvh - 245px)}
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#photo-dialog{width:min(900px,96vw);max-height:96dvh;padding:16px;border:1px solid var(--line);background:var(--paper)}#photo-dialog::backdrop{background:#17251ee0}#photo-dialog form{position:sticky;top:0;text-align:right}#photo-dialog img{display:block;width:100%;height:auto} .figure-zoom{display:block;cursor:zoom-in}

/* Coloured relief and expressive fortress markers; geography is unchanged. */
.map-viewport{background:#e8eed4;--water:#287ba6;--gold:#b87622;--accent:#e36322}
.waterline{stroke-width:1.3;opacity:.82}.waterline.main{stroke-width:2.1;opacity:1}
.river-label{fill:#21698c;stroke:#f0f1d9;stroke-width:3px}
.city-label{fill:#243a2b;stroke:#fcf8e9;stroke-width:4px}.city-label.focus{fill:#a33f10}.city-label.yelets{fill:#173f2a;font-size:17px}
.fortress-disc{fill:#fff7e0;stroke:#896130;stroke-width:1;opacity:.95}.city-shape{fill:#b66e14;stroke:#fff9e9;stroke-width:1;stroke-linejoin:round}
.city.late .fortress-disc{fill:#e3f6e3;stroke:#28795d}.city.late .city-shape{fill:#14845f}
.city.reference .fortress-disc{fill:none;stroke:none}.city.reference .city-shape{fill:#73806c}
.city.highlight .fortress-disc{fill:#fff0c0;stroke:#e16a25;stroke-width:2}.city.highlight .city-shape{fill:#d95717}
.city.old .fortress-disc{fill:#eee9d8;stroke:#858674}.city.old .city-shape{fill:#eee9d8;stroke:#777e6c}
.focus-ring{stroke:#ee7d30;stroke-width:2;opacity:0}.city.highlight .focus-ring{opacity:.75;animation:fortress-focus 1.6s ease-out 2}
.arrival-wave{fill:none;stroke:#e86b21;stroke-width:3;opacity:0;pointer-events:none;transform-origin:0 0}
.city.is-arriving .arrival-wave{animation:fortress-wave 1.25s ease-out}.city.is-arriving .city-symbol{animation:fortress-arrive .65s cubic-bezier(.2,.8,.25,1.3);transform-origin:0 0}
@keyframes fortress-arrive{0%{transform:scale(.15);opacity:0}65%{transform:scale(1.4);opacity:1}100%{transform:scale(1);opacity:1}}
@keyframes fortress-wave{0%{transform:scale(.45);opacity:1;stroke-width:5}100%{transform:scale(3.1);opacity:0;stroke-width:.6}}
@keyframes fortress-focus{0%{stroke-opacity:1;stroke-width:3}100%{stroke-opacity:.45;stroke-width:1}}
@media(prefers-reduced-motion:reduce){.city.is-arriving .arrival-wave,.city.is-arriving .city-symbol,.city.highlight .focus-ring{animation:none}.city.highlight .focus-ring{opacity:.9}}

/* A lightly illustrated atlas: paper, watercolour relief and miniature timber towns. */
.map-shell{border:1px solid #b6a17a;background:#faf4e4;box-shadow:0 12px 36px #5b422916;border-radius:5px}
.map-heading{background:linear-gradient(100deg,#fbf5e7,#f0e6cc);border-bottom:1px solid #c5ae7f55}
.map-heading h2{font-family:Georgia,'Times New Roman',serif;font-size:13px;letter-spacing:.1em;color:#534128}
.era{color:#3f5d4e;text-shadow:0 1px #fff7dd}.scene{color:#7b725c}
.map-viewport{background:#e3dab7;box-shadow:inset 0 0 30px #8a6a3533}
.atlas-frame rect{fill:none;stroke:#7d6949;stroke-width:.7;opacity:.45}.atlas-frame rect+rect{stroke-width:.4;opacity:.27}
.graticule{stroke:#907856;stroke-opacity:.09;stroke-dasharray:2 7}
.river-bank{fill:none;stroke:#f4edcf;stroke-width:3.4;stroke-linecap:round;stroke-linejoin:round;opacity:.65}
.river-bank.main{stroke-width:5;opacity:.85}.river-bank.hydro{stroke-width:1.7;opacity:.22}
.waterline{stroke:#548f99;stroke-width:1.55;opacity:.9}.waterline.main{stroke:#377f90;stroke-width:2.4;opacity:1}.waterline.hydro{stroke:#7caaa3;stroke-width:.85;opacity:.48}
.river-label{font:italic 13px Georgia,serif;fill:#366c7b;stroke:#eee4bf;stroke-width:3px;letter-spacing:.035em}
.city-label{font:14px Georgia,'Times New Roman',serif;fill:#4a3d2b;stroke:#faf0d7;stroke-width:4px;letter-spacing:.01em}
.city-label.focus{fill:#9c4628;font-weight:bold}.city-label.yelets{font-size:18px;fill:#304a36;font-weight:bold}.city-label.old{fill:#80735b}
.label-leader{stroke:#8d7452;opacity:.36;stroke-dasharray:1 2}
.fortress-disc,.city.late .fortress-disc,.city.highlight .fortress-disc{fill:#7d603d;stroke:none;opacity:.18}
.city-shape,.city.late .city-shape{fill:#e8cb8c;stroke:#675236;stroke-width:.9;stroke-linejoin:round;animation:none!important}
.fortress-roofs{fill:#8c4c32;stroke:#67402d;stroke-width:.7;stroke-linejoin:round}
.city.late .fortress-roofs{fill:#557960;stroke:#365545}
.fortress-details{fill:none;stroke:#8b6840;stroke-width:.65;stroke-linecap:round;opacity:.85}
.city.highlight .city-shape{fill:#f7d58a;stroke:#a54d24;stroke-width:1.1}.city.highlight .fortress-roofs{fill:#c56438;stroke:#874226}
.city.reference .fortress-disc{display:none}.city.reference .city-shape{fill:#73796a;stroke:#f7efd8}
.city.old .fortress-disc{fill:#7d603d;stroke:none;opacity:.12}.city.old .city-shape{fill:#e1d6bb;stroke:#8f8268}.city.old .fortress-roofs{fill:#aa9b7d;stroke:#8f8268}.city.old .fortress-details{stroke:#8f8268}
.focus-ring{stroke:#c78c3d;stroke-width:1;stroke-dasharray:2 4}.city.highlight .focus-ring{opacity:.62}
.arrival-wave{stroke:#d28036}.north{top:19px;left:19px;color:#67583f;font-size:11px;letter-spacing:.14em}
.north strong{display:block;position:relative;margin:4px auto;width:40px;height:40px;font-size:0;background:conic-gradient(from 0deg,#677b5b 0deg 45deg,#e7d5a9 45deg 90deg,#977e53 90deg 135deg,#f9edcd 135deg 180deg,#677b5b 180deg 225deg,#e7d5a9 225deg 270deg,#977e53 270deg 315deg,#f9edcd 315deg);clip-path:polygon(50% 0,58% 35%,83% 17%,65% 42%,100% 50%,65% 58%,83% 83%,58% 65%,50% 100%,42% 65%,17% 83%,35% 58%,0 50%,35% 42%,17% 17%,42% 35%)}
.north strong::after{content:'';position:absolute;inset:17px;border-radius:50%;background:#715c3c}
.legend,.timeline{background:#faf4e4}.legend{border-top:1px solid #c5ae7f55;color:#75664d}.timeline label,.timeline-ends{color:#75664d}
.legend .swatch{background:#8c4c32}.legend .swatch.late{background:#557960}.legend .swatch.focus{background:#c56438}
.map-buttons .control{border-color:#b9a581;background:#fcf5e4ed;color:#5c6048;box-shadow:0 2px 5px #5d492013;border-radius:50%}
.attribution{background:#fbf1dcbf;color:#6e6c58}
@media(max-width:760px){.city-label{font-size:12px}.city-label.yelets{font-size:16px}.north strong{width:32px;height:32px}.north strong::after{inset:13px}}

.city.watch .fortress-disc{display:none}.city.watch .city-shape{fill:#fffaf0;stroke:#7a4d74;stroke-width:1.8;stroke-dasharray:3 2}.city-label.watch-label{fill:#613e5b;font-size:12px}

.legend .swatch.watch{background:transparent;border-color:#7a4d74}

/* Atlas refinement: restrained inks, readable symbols and optional present-day context. */
.map-viewport{background:#e9dfb8;--water:#176f89;--accent:#9e3d26}
.waterline{stroke:#72a9b2;opacity:.85}.waterline.main{stroke:#176f89}.waterline.hydro{stroke:#8bbbc2;opacity:.58}
.river-bank{stroke:#f4ebd0;opacity:.55}.river-bank.main{opacity:.7}
.river-label{fill:#176f89;stroke:#eee5c9;stroke-width:2.1px;letter-spacing:.02em}
.city-label{fill:#554b35;stroke:#f5edda;stroke-width:2.6px}.city-label.focus{fill:#9e3d26}.city-label.yelets{fill:#554b35;stroke-width:2.8px}
.city.highlight .city-shape{fill:#ecd3a3;stroke:#9e3d26}.city.highlight .fortress-roofs{fill:#9e3d26;stroke:#75412e}
.city.symbol-ostrog .city-shape{fill:#d8c396;stroke:#6f694b}.city.reference .city-shape{fill:#554b35;stroke:#f5edda;stroke-width:1.2}
.city.is-muted,.city-label.is-muted{opacity:.4}.city.is-muted:hover,.city.is-muted:focus-visible{opacity:1}
.city.is-selected .focus-ring{stroke:#9e3d26;opacity:1;stroke-width:1.5;animation:none}
.city{transition:opacity .18s}.city:focus-visible{outline:none}.city:focus-visible .focus-ring{opacity:1;stroke:#554b35;stroke-width:2}
.legend{gap:8px 15px;align-items:center}.legend>span{display:inline-flex;align-items:center;gap:5px}.legend .swatch.focus{background:#9e3d26}
.map-key-symbol{width:22px;height:22px;fill:#d8c396;stroke:#675236;stroke-width:1.1;fill-rule:evenodd}.map-key-symbol.reference-key{fill:#554b35;stroke:none}
.modern-layer-control{padding:0 18px 12px;background:#faf4e4;color:#554b35;font:12px/1.5 Arial,sans-serif}.modern-layer-control label{display:flex;gap:7px;align-items:center;cursor:pointer}.modern-layer-control input{accent-color:#78643f}.modern-layer-control p{font-size:11px;color:#716a59;margin:7px 0 0}.modern-map{filter:grayscale(1);opacity:.68;pointer-events:none}
.place-detail{background:#f4ecd8;border-left:2px solid #9e3d26;padding:18px 20px;line-height:1.65}.place-detail strong{font-size:25px;color:#554b35}.place-detail .date{display:block;color:#9e3d26;margin:6px 0}.place-detail p{color:#554b35;margin:10px 0}.detail-close{width:30px;height:30px;cursor:pointer}.detail-source{font-size:12px;color:#6d6047}
@media(min-width:761px){.place-detail{max-height:260px}.fullscreen-map .map-viewport{height:calc(100dvh - 290px)}}
@media(max-width:760px){.modern-layer-control{padding-inline:14px}.fullscreen-map .map-viewport{height:calc(100dvh - 395px)}.legend{font-size:10px}.map-key-symbol{width:20px;height:20px}}

/* Shared journal navigation; map controls keep their own layout. */
.masthead{padding:18px 4vw;min-height:82px;text-transform:none;letter-spacing:normal;gap:28px;flex-wrap:wrap}.masthead .brand{font:700 22px/.96 Georgia,serif;letter-spacing:-.025em;text-transform:uppercase;color:var(--ink)}.masthead nav{display:flex;flex-wrap:wrap;gap:14px clamp(16px,2.2vw,31px);font-size:13px;align-items:center}.masthead nav a{color:var(--ink)}.masthead nav a:hover{text-decoration:underline}#fortress-map{scroll-margin-top:18px}@media(max-width:760px){.masthead{padding:18px 6vw;gap:20px}.masthead nav{width:100%;gap:14px 22px;font-size:13px}}