:root{--navy:#0b1c3c;--panel:#102749;--line:#2b4666;--teal:#4ed0d1;--gold:#ddba57;--white:#f4f7fc;--muted:#b9c6d9;--red:#efa99c}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--navy);color:var(--white);font:16px/1.55 Arial,sans-serif}a{color:var(--teal);text-underline-offset:.18em}button,input,select{font:inherit}button,select,input{color:var(--white);background:var(--panel);border:1px solid #59718e;border-radius:3px}button{padding:.58rem .85rem;cursor:pointer}button:hover,button[aria-pressed=true]{border-color:var(--gold);color:var(--gold)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--gold);outline-offset:4px}header{padding:30px 4vw 20px;display:flex;justify-content:space-between;align-items:flex-start;gap:25px;border-bottom:1px solid var(--line)}.eyebrow{font-size:13px;letter-spacing:.1em;color:var(--gold);margin:0 0 8px}h1{font-size:clamp(26px,3vw,40px);line-height:1.15;margin:0 0 12px;font-weight:600}.scope{color:var(--muted);margin:0;max-width:780px}nav{display:flex;gap:10px;align-items:center;flex-wrap:wrap}nav a{white-space:nowrap;margin-right:8px;font-size:14px}main{max-width:1800px;margin:auto}.explorer{padding:22px 4vw}.filters{display:grid;grid-template-columns:1.6fr repeat(4,1fr) auto;gap:12px;align-items:end}label{font-size:14px;color:var(--muted);display:flex;flex-direction:column;gap:6px}input[type=search],select{width:100%;min-width:0;padding:10px 9px;height:44px}input[type=search]::placeholder{color:#a8bdd1}.filter-note{font-size:13px;color:var(--muted);margin:9px 0 17px}.timeline{display:flex;align-items:center;gap:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0}.timeline label{display:block;white-space:nowrap;font-size:18px}.timeline output{font-size:28px;color:var(--gold);font-weight:bold;font-variant-numeric:tabular-nums}.timeline input{flex:1;min-width:60px;accent-color:var(--gold)}#result-count{font-size:14px;color:var(--muted);min-width:130px;text-align:right}.workspace{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(310px,1fr);gap:28px;margin-top:20px;align-items:start}.map-wrap{position:relative;border-bottom:1px solid var(--line)}#map{width:100%;height:auto;display:block;min-height:240px}.map-controls{display:flex;gap:8px;position:absolute;bottom:8px;left:8px}.map-controls button{font-size:13px;padding:6px 10px;background:#0b1c3cee}.land{fill:#284461;stroke:#496783;stroke-width:.7}.graticule{stroke:#1b3655;stroke-width:1;fill:none}.marker{cursor:pointer}.marker circle{stroke:var(--navy);stroke-width:2;fill:var(--teal)}.marker.fallback circle{fill:var(--gold)}.marker.retired circle{fill:var(--red)}.marker.selected circle{stroke:#fff;stroke-width:3}.leader{stroke:#9bb4c6;stroke-width:.9;opacity:.6}.marker text{fill:#fff;font-size:11px;text-anchor:middle;font-weight:bold;pointer-events:none}.legend{display:flex;gap:15px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:16px 0 8px}.legend span{display:flex;align-items:center;gap:6px}.dot{width:9px;height:9px;display:inline-block;border-radius:50%;background:var(--teal)}.dot.fallback{background:var(--gold)}.dot.retired{background:var(--red)}.map-note{font-size:13px;color:var(--muted);margin:0 0 18px}#list{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.platform-row{display:flex;justify-content:space-between;align-items:center;text-align:left;gap:10px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:none;padding:14px 0;color:var(--white)}.platform-row[aria-pressed=true]{color:var(--gold)}.platform-row strong{font-size:16px;display:block}.platform-row small{font-size:13px;font-weight:normal;color:var(--muted);display:block}.row-date{color:var(--gold);font-size:16px;white-space:nowrap;font-variant-numeric:tabular-nums}.empty{grid-column:1/-1;padding:30px 0;color:var(--muted)}aside{background:var(--panel);padding:24px;min-width:0;border-top:3px solid var(--teal);position:sticky;top:12px}aside h2{margin:0;font-size:28px;line-height:1.15}aside .company{margin:7px 0 18px;color:var(--muted)}.photo{margin:0 0 22px}.photo img{width:100%;height:260px;object-fit:contain;background:#fff}.photo figcaption{font-size:13px;color:var(--muted);margin-top:8px}.photo-missing{background:#0b1c3c;padding:24px;color:var(--muted);border:1px solid var(--line)}.status-line{padding:10px 0;border-top:1px solid var(--line);font-size:15px}.status-line strong{color:var(--gold);font-weight:normal}.detail-label{font-size:13px;color:var(--muted);display:block}.origin{font-size:15px;margin:16px 0}.entry{padding:12px 14px;border-left:3px solid var(--gold);background:var(--navy);font-size:15px}.events{list-style:none;padding:0}.events li{position:relative;padding:0 0 17px 19px;border-left:1px solid #59718e;font-size:15px}.events li:before{content:'';width:7px;height:7px;position:absolute;left:-4px;top:7px;border-radius:50%;background:var(--gold)}.events time{color:var(--gold);display:block}.type{font-size:12px;letter-spacing:.02em;color:var(--muted)}.cite{font-size:12px}.notes{font-size:14px;color:var(--muted)}aside h3{font-size:18px;margin:22px 0 13px}#method{padding:25px 4vw 45px;border-top:1px solid var(--line)}#method h2{font-size:28px}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;max-width:1250px}#method p{color:var(--muted);max-width:70ch}#method h3{font-size:18px;margin-bottom:8px}summary{cursor:pointer;color:var(--gold);padding:15px 0}#sources{overflow-wrap:anywhere;max-width:1100px}#sources li{margin-bottom:12px;font-size:14px}footer{padding:22px 4vw;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}.skip{position:absolute;top:-100px;left:20px;background:var(--gold);color:var(--navy);padding:12px;z-index:10}.skip:focus{top:10px}@media(max-width:1100px){.filters{grid-template-columns:2fr 1fr 1fr}.workspace{grid-template-columns:minmax(0,1fr) 330px}header{display:block}nav{margin-top:16px}.photo img{height:210px}}@media(max-width:760px){header{padding:24px 20px}.explorer,#method{padding:20px}.filters{grid-template-columns:1fr 1fr}.filters .search{grid-column:1/-1}.filters #reset{height:44px}.workspace{display:flex;flex-direction:column}.overview,aside{width:100%}aside{position:static}.timeline{gap:10px;flex-wrap:wrap}.timeline input{flex-basis:40%}#result-count{width:100%;text-align:left}.timeline output{font-size:25px}.method-grid{grid-template-columns:1fr;gap:0}#list{gap:0 14px}.platform-row strong{font-size:15px}.map-controls{position:static;margin-bottom:12px}.map-note,.legend{font-size:13px}.photo img{height:280px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
.leader,.land,.graticule{pointer-events:none}

@media(max-width:380px){#list{grid-template-columns:1fr}.platform-row{min-width:0}aside{padding:18px}}
#detail{overflow-wrap:anywhere}