:root{--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--bg:#f9fafb;--panel:#fff;--accent:#1d3557;--focus:#2563eb;--context:#7c3aed;--context-bg:#f5f3ff;--glass:#fffe;--link:#1d4ed8;--danger:#b91c1c;--badge-bg:#eef2f7;--badge-ink:#374151;--warn-bg:#fef3c7;--warn-ink:#92400e;--grey-bg:#f3f4f6;--orange-bg:#ffedd5;--orange-ink:#9a3412;--chart:#1e3a5f;--chart-fill:#1e3a5f40;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#e5e7eb;--muted:#9ca3af;--line:#374151;--bg:#111827;--panel:#1f2937;--accent:#8fb3e8;--focus:#60a5fa;--context:#a78bfa;--context-bg:#2a2140;--glass:#1f2937ee;--link:#93c5fd;--danger:#f87171;--badge-bg:#374151;--badge-ink:#e5e7eb;--warn-bg:#422006;--warn-ink:#fcd34d;--grey-bg:#374151;--orange-bg:#431407;--orange-ink:#fdba74;--chart:#8fb3e8;--chart-fill:#8fb3e84d}[data-theme=dark] .legend{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#111827;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--bg:#f9fafb;--panel:#fff;--glass:#fffe;--accent:#1d3557;--focus:#2563eb;--link:#1d4ed8}[data-theme=dark] .maplibregl-ctrl-group{background:var(--panel)}[data-theme=dark] .maplibregl-ctrl-group button+button{border-top-color:var(--line)}[data-theme=dark] .maplibregl-ctrl button .maplibregl-ctrl-icon{filter:invert()hue-rotate(180deg)}[data-theme=dark] .maplibregl-ctrl.maplibregl-ctrl-attrib,[data-theme=dark] .maplibregl-ctrl-scale{color:var(--ink);border-color:var(--ink);background:#1f2937cc}[data-theme=dark] .maplibregl-ctrl-attrib a{color:var(--ink)}[data-theme=dark] .maplibregl-ctrl-attrib-button{filter:invert()}*{box-sizing:border-box}a{color:var(--link)}html,body,#root{height:100%;margin:0}button,select,input{font:inherit}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.sr-only{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.muted{color:var(--muted)}.small{font-size:12px;display:block}.fatal{padding:2rem}.app{grid-template-rows:auto 1fr auto;height:100dvh;display:grid}button,summary,select,input[type=range]{touch-action:manipulation}.panel-toggle{display:none}.topbar{border-bottom:1px solid var(--line);background:var(--panel);align-items:center;gap:1rem;padding:.5rem 1rem;display:flex}.topbar h1{white-space:nowrap;margin:0;font-size:16px}.home-link{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;padding:0;font-weight:700}.home-link:hover{color:var(--accent)}.about{white-space:nowrap;margin-left:auto;position:relative}.about>div{z-index:10;background:var(--panel);border:1px solid var(--line);border-radius:6px;width:22rem;padding:0 1rem;position:absolute;top:1.8rem;right:0;box-shadow:0 4px 16px #0002}.search{flex:0 26rem;position:relative}.search input{border:1px solid var(--line);border-radius:6px;width:100%;padding:.35rem .6rem}.search .results{z-index:20;background:var(--panel);border:1px solid var(--line);border-radius:6px;margin:0;padding:.25rem;list-style:none;position:absolute;top:2.2rem;left:0;right:0;box-shadow:0 4px 16px #0002}.search .results button{text-align:left;cursor:pointer;background:0 0;border:0;border-radius:4px;width:100%;padding:.4rem}.search .results button:hover,.search .results button:focus-visible{background:var(--bg)}.main{grid-template-columns:minmax(0, 1fr) var(--side-w,24rem);min-height:0;display:grid}.map-wrap{min-height:0;position:relative}.map{position:absolute;inset:0}.back{z-index:5;position:absolute;top:.75rem;left:.75rem}.legend{z-index:5;background:var(--glass);border:1px solid var(--line);border-radius:6px;padding:.4rem .7rem;position:absolute;bottom:2.5rem;left:.75rem}.legend label{display:block}.legend{max-width:20rem;max-height:calc(100% - 4rem);overflow-y:auto}.legend h4{color:var(--muted);margin:.5rem 0 .2rem;font-size:12px}.legend .colour-by{margin-bottom:.3rem;font-weight:600}.filter-list{margin:.2rem 0;padding:0;list-style:none}.filter-list label{align-items:center;gap:.35rem;display:flex}.more-filters{margin-top:.4rem}.more-filters details{margin-left:.6rem}.attrs{border-collapse:collapse;width:100%;font-size:13px}.attrs th{text-align:left;vertical-align:top;white-space:nowrap;padding:.2rem .5rem .2rem 0}.attrs td{padding:.2rem 0}.swatch{vertical-align:middle;border-radius:2px;width:.9em;height:.9em;display:inline-block}.row-buttons{flex-wrap:wrap;gap:.5rem;margin:.5rem 0;display:flex}.legend ul{margin:.4rem 0 0;padding:0;list-style:none}.legend li{align-items:center;gap:.5rem;display:flex}.side{border-left:1px solid var(--line);background:var(--panel);overflow-y:auto}.side-resizer{z-index:6;cursor:col-resize;touch-action:none;width:8px;position:absolute;top:0;bottom:0}.side-resizer:hover,.side-resizer:focus-visible{background:color-mix(in srgb, var(--accent) 35%, transparent);outline:none}.side-resizer.right{right:-4px}.side-resizer.left{left:-4px}body.resizing-side{cursor:col-resize;-webkit-user-select:none;user-select:none}body.resizing-side .map-wrap{pointer-events:none}body.resizing-side .side-resizer{pointer-events:auto;background:color-mix(in srgb, var(--accent) 35%, transparent)}.detail{padding:.75rem 1rem}section.timeline{border-left:0;padding:.75rem 1rem}.timeline header h2{margin:0;font-size:32px}.era-intro{border-left:4px solid var(--line);margin-top:.25rem;padding:.1rem 0 .1rem .6rem}.era-name{margin:0;font-size:16px;font-weight:600}.era-description{margin:.3rem 0;line-height:1.4}.timeline .stats{border-top:1px solid var(--line);margin-top:.75rem;padding:.5rem 0}.month h3{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:1rem 0 .25rem;font-size:12px}.month ul{margin:0;padding:0;list-style:none}.map-changes>summary{cursor:pointer;color:var(--muted);margin:1rem 0 .25rem}.map-changes>summary h3{margin:0;display:inline}.event{border-left:3px solid var(--accent);margin-bottom:.5rem;padding:.5rem 0 .5rem .6rem}.event.context{border-left-color:var(--context);background:var(--context-bg)}.event.change{border-left-style:dotted}.event p{margin:.25rem 0}.event-head{color:var(--muted);flex-wrap:wrap;align-items:center;gap:.4rem;font-size:12px;display:flex}.event-title{text-align:left;font-weight:600;display:block}.event-sources summary{color:var(--muted);cursor:pointer;font-size:12px}.badge{background:var(--badge-bg);color:var(--badge-ink);border-radius:3px;padding:0 .35rem;font-size:11px}.badge.unverified{background:var(--warn-bg);color:var(--warn-ink)}.badge.status-closed,.badge.status-demolished{background:var(--grey-bg);color:var(--muted)}.badge.status-construction{background:var(--orange-bg);color:var(--orange-ink)}.alt{color:var(--warn-ink);font-size:12px}button.link{color:var(--accent);cursor:pointer;text-align:left;background:0 0;border:0;padding:0;text-decoration:underline}.detail{border-bottom:4px solid var(--line);position:relative}.detail h2{margin:0;font-size:18px}.detail h3{margin:1rem 0 .25rem;font-size:13px}.detail .kind{color:var(--muted);text-transform:uppercase;margin:0;font-size:12px}.detail .close{color:var(--ink);cursor:pointer;background:0 0;border:0;font-size:20px;position:absolute;top:.5rem;right:.75rem}.detail .back-to-year{margin-bottom:.5rem;display:block}.history{margin:0;padding-left:1rem}.history li{margin-bottom:.4rem}.sources{margin:.2rem 0;padding-left:1rem;font-size:12px}.sources summary{cursor:pointer}.sources dl{grid-template-columns:auto 1fr;gap:0 .5rem;margin:.25rem 0;display:grid}.sources dt{color:var(--muted)}.sources dd{overflow-wrap:anywhere;margin:0}.missing{color:var(--danger)}.bottombar{border-top:1px solid var(--line);background:var(--panel);padding:.5rem calc(1rem + env(safe-area-inset-right)) calc(.5rem + env(safe-area-inset-bottom)) calc(1rem + env(safe-area-inset-left))}.topbar{padding-top:calc(.5rem + env(safe-area-inset-top))}.time-controls{flex-direction:column;gap:.25rem;display:flex}.time-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;display:flex}.time-row button{padding:.25rem .6rem}.play{min-width:6rem}.year-input{text-align:center;width:4.5rem;font-size:16px;font-weight:600}.slider-wrap{width:100%}.slider{width:100%;margin:0;display:block}.era-band{height:8px;margin:1px 0 2px;position:relative}.era-band button{opacity:.55;cursor:pointer;border:0;border-radius:0;min-width:0;height:100%;min-height:0;padding:0;position:absolute;top:0}.era-band button:hover,.era-band button:focus-visible{opacity:.85}.era-band button.on{opacity:1;box-shadow:inset 0 -2px #00000059}.slider-ticks{height:1.3em;font-size:12px;position:relative}.slider-ticks .tick{color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;padding:0 .2rem;position:absolute;transform:translate(-50%)}.slider-ticks .tick:hover,.slider-ticks .tick:focus-visible{color:var(--accent);text-decoration:underline}@media (width<=1100px){.slider-ticks .early{display:none}}@media (width<=800px){.topbar h1{display:none}.main{grid-template-rows:55% 45%;grid-template-columns:1fr}.side{border-left:0;border-top:1px solid var(--line)}.side-resizer{display:none}}@media (pointer:coarse){.time-row button,.time-row select,.year-input{min-width:44px;min-height:44px;font-size:16px}.search input{padding:.55rem .7rem;font-size:16px}.slider{height:36px}.legend summary,.about summary,.event-sources summary,.sources summary{padding:.35rem 0}.legend input[type=checkbox],.filter-list input[type=checkbox]{width:20px;height:20px}.legend label,.filter-list label{align-items:center;gap:.4rem;min-height:36px;display:flex}.legend select{min-height:40px;font-size:16px}button.link{padding:.2rem 0}.detail .close{min-width:44px;min-height:44px;top:.2rem;right:.2rem}.search .results button{padding:.6rem .5rem}.row-buttons button{min-height:44px}}@media (width<=800px){.main{grid-template-rows:minmax(0,1fr) auto}.side{max-height:48dvh}.side.collapsed{max-height:none;overflow:hidden}.side.collapsed>:not(.panel-toggle){display:none}.panel-toggle{z-index:2;border:0;border-bottom:1px solid var(--line);background:var(--bg);width:100%;color:var(--muted);padding:.55rem;font-size:14px;display:block;position:sticky;top:0}.timeline header h2{font-size:26px}.legend{max-width:min(20rem,100% - 4.5rem);max-height:calc(100% - 1.2rem);top:.6rem;bottom:auto}.back{top:auto;bottom:2.4rem}.about>div{white-space:normal;left:.5rem;right:.5rem;top:calc(3.2rem + env(safe-area-inset-top));width:auto;max-height:70dvh;position:fixed;overflow-y:auto}.time-row{gap:.4rem}.era select{max-width:60vw}}@media (height<=500px) and (width>=600px){.topbar h1{display:none}.main{grid-template-rows:none;grid-template-columns:1fr 18rem}.side-resizer{display:none}.side{max-height:none}.slider-ticks{display:none}.bottombar{padding-top:.25rem}.time-controls{flex-flow:wrap;align-items:center;gap:.5rem}.slider-wrap{flex:12rem;width:auto}}.main.page-mode{grid-template-columns:var(--page-w,minmax(20rem, 38rem)) minmax(0, 1fr)}.page-col{background:var(--panel);border-right:1px solid var(--line);overflow-y:auto}.history-page{padding:1rem 1.25rem 3rem}.history-page h1{margin:.1rem 0 .4rem;font-size:1.6rem}.history-page .lede{font-size:1.05rem}.back-to-map{margin-bottom:.5rem}.timeline{border-left:2px solid var(--line);margin:0;padding:0;list-style:none}.timeline>li{grid-template-columns:6.5rem 1fr;gap:.5rem;padding:.5rem 0 .5rem .75rem;display:grid;position:relative}.timeline>li:before{content:"";background:var(--panel);border:2px solid #64748b;border-radius:50%;width:10px;height:10px;position:absolute;top:.85rem;left:-6px}.timeline>li.t-event:before{background:#f59e0b;border-color:#b45309}.timeline>li.t-status:before{background:#1d4ed8;border-color:#1d4ed8}.timeline>li.t-related:before{border-style:dashed}.timeline>li.later{opacity:.55}.timeline>li.this-year{background:#f59e0b1f}.t-date{text-align:left;font-variant-numeric:tabular-nums;align-self:start}.t-kind{text-transform:uppercase;letter-spacing:.04em;color:var(--muted,#64748b);margin-right:.4rem;font-size:.7rem;display:inline-block}.t-body p{margin:.2rem 0}@media (width<=800px){.main.page-mode{grid-template-rows:40vh 1fr;grid-template-columns:1fr}.main.page-mode .map-wrap{grid-row:1}.main.page-mode .page-col{border-right:0;grid-row:2}.timeline>li{grid-template-columns:5.5rem 1fr}}.stories-link{white-space:nowrap;margin-left:.75rem}.stories{padding:0;list-style:none}.stories li{border-bottom:1px solid var(--line);padding:.6rem 0}.story-title{text-align:left;font-size:1.1rem;font-weight:600}.story .story-section{border-left:3px solid #0000;margin:0 -.75rem;padding:.25rem .75rem .75rem;transition:border-color .2s,background .2s}.story .story-section.active{background:#f59e0b0f;border-left-color:#f59e0b}.story .story-section p,.story .story-section li{font-size:1.02rem;line-height:1.6}.story .scene-year{margin:0;font-size:.8rem}.story sup.cite a{padding:0 1px;text-decoration:none}.story .notes li{margin:.2rem 0}.story .notes li:target{background:#f59e0b26}.story:after{content:"";height:40vh;display:block}.story .notes .sources{margin:0;padding-left:0;list-style:none}.gallery{grid-template-columns:repeat(auto-fill,minmax(9rem,1fr));gap:.5rem;margin:.5rem 0;padding:0;list-style:none;display:grid}.gallery.compact{grid-template-columns:repeat(auto-fill,minmax(5rem,1fr))}.gallery li{flex-direction:column;gap:.2rem;display:flex}.gallery .thumb{border:1px solid var(--line);background:var(--line);aspect-ratio:4/3;cursor:zoom-in;border-radius:4px;padding:0;overflow:hidden}.gallery .thumb img{object-fit:cover;width:100%;height:100%;display:block}.gallery .more{justify-content:center;align-items:center}.lightbox{z-index:50;padding:1rem;padding-top:calc(1rem + env(safe-area-inset-top));background:#0f172ae0;flex-direction:column;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.lightbox figure{background:var(--panel);border-radius:6px;flex-direction:column;max-width:min(64rem,100%);max-height:85vh;margin:0;display:flex;overflow:auto}.lightbox img{object-fit:contain;background:#0f172a;max-width:100%;max-height:65vh}.lightbox figcaption{padding:.6rem .8rem}.lightbox-bar{color:#fff;align-items:center;gap:.75rem;margin-top:.5rem;display:flex}.lightbox-bar button{min-width:2.5rem;min-height:2.5rem;font-size:1.3rem}figure.pic{cursor:zoom-in;margin:.75rem 0}figure.pic img{border-radius:4px;max-width:100%;display:block}figure.pic figcaption{color:var(--muted);margin-top:.25rem;font-size:.85rem}figure.pic .credit{font-size:.75rem;display:block}.stats{border-bottom:1px solid var(--line);padding:.5rem .9rem}.stats summary{cursor:pointer;font-weight:600}.stats-now{grid-template-columns:repeat(3,1fr);gap:.4rem;margin:.4rem 0;display:grid}.stats-now dt{color:var(--muted);font-size:.72rem}.stats-now dd{font-variant-numeric:tabular-nums;margin:0;font-size:1.05rem;font-weight:600}.stats-tabs{gap:.25rem;margin-bottom:.25rem;display:flex}.stats-tabs button{padding:.1rem .5rem;font-size:.75rem}.stats-tabs button.on{color:#fff;background:#1e3a5f}.stats-chart{cursor:pointer;background:var(--bg);border:1px solid var(--line);border-radius:3px;width:100%;height:5.5rem;display:block}.stats-chart .s-main{fill:var(--chart-fill);stroke:var(--chart);stroke-width:1px;vector-effect:non-scaling-stroke}.stats-chart .s-elec{fill:#dc26264d;stroke:#dc2626;stroke-width:1px;vector-effect:non-scaling-stroke}.stats-chart .s-year{stroke:#f59e0b;stroke-width:2px;vector-effect:non-scaling-stroke}.stats-plot{margin:.2rem 0 1.1rem 3.4rem;position:relative}.stats-y span{white-space:nowrap;font-size:.7rem;line-height:1;position:absolute;right:calc(100% + .3rem);transform:translateY(-50%)}.stats-x span{font-size:.7rem;line-height:1;position:absolute;top:calc(100% + .15rem);transform:translate(-50%)}.stats-chart .s-grid{stroke:var(--line);stroke-width:1px;vector-effect:non-scaling-stroke}.stats-peak{margin:.2rem 0}.key-main,.key-elec{vertical-align:middle;width:.8rem;height:.5rem;display:inline-block}.key-main{background:var(--chart)}.key-elec{background:#dc262673;margin-left:.4rem}.share-link,.theme-button{white-space:nowrap;margin-left:.75rem}.share-dialog{width:min(48rem,100%)}.share-dialog img{aspect-ratio:1200/630;width:100%;height:auto;max-height:none}a.button{border:1px solid var(--line);color:#fff;background:#1e3a5f;border-radius:4px;padding:.3rem .7rem;text-decoration:none;display:inline-block}.changes .change{border-bottom:1px solid var(--line);padding:.5rem 0}.changes .change h2{margin:.2rem 0;font-size:1.05rem}.change-items{columns:2;margin:.25rem 0;padding-left:.5rem;list-style:none}.change-items li{break-inside:avoid;padding:.1rem 0}@media (width<=800px){.change-items{columns:1}}.here-button{z-index:5;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:4px;padding:.3rem .6rem;position:absolute;bottom:2.4rem;right:.6rem;box-shadow:0 1px 3px #00000026}.here-button.on{color:#111;background:#f59e0b;border-color:#b45309}.here-list li.now{font-weight:600}.here-list li .small{display:inline}.compare{z-index:3;pointer-events:none;position:absolute;inset:0}.compare-map{pointer-events:auto;position:absolute;inset:0}.compare-divider{cursor:ew-resize;pointer-events:auto;touch-action:none;background:#f59e0b;width:4px;margin-left:-2px;position:absolute;top:0;bottom:0}.compare-grip{color:#111;background:#f59e0b;border-radius:50%;justify-content:center;align-items:center;width:2rem;height:2rem;font-weight:700;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 1px 4px #0000004d}.compare-label{color:#fff;pointer-events:auto;background:#0f172ad9;border-radius:4px;align-items:center;gap:.25rem;margin:0 .6rem;padding:.15rem .5rem;font-size:1.1rem;font-weight:700;display:flex;position:absolute;top:.6rem}.compare-label input{width:4.2rem;font:inherit;text-align:center;font-size:1rem}.compare-label button{color:#fff;cursor:pointer;background:0 0;border:0}.compare-button{z-index:5;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:4px;padding:.3rem .6rem;position:absolute;bottom:4.6rem;right:.6rem;box-shadow:0 1px 3px #00000026}.compare-button.on{color:#fff;background:#1e3a5f}.data-page .downloads{padding-left:1rem}.data-page .downloads li{margin:.35rem 0}.data-page .downloads .muted{font-size:.85rem;display:block}.data-page pre.code{color:#e2e8f0;background:#0f172a;border-radius:4px;padding:.6rem;font-size:.8rem;overflow-x:auto}