/* The Living Timeline · Ideas: the latent space of ideas. Owner: ideas view. */
:root{--side-w:420px;--tab-h:0px;--strip-h:78px;--ink:#011015;--cream:#EFE9D8;--paper:#F7F4EA;--or:#FF4C00;--bl:#02B0F4;--hd:-.04rem;
  --glass:rgba(1,16,21,.74);--hair-c:rgba(239,233,216,.2);--dim-c:rgba(239,233,216,.64)}
html,body{height:100%}
body.iv-body{margin:0;overflow:hidden;background:var(--ink);color:var(--cream);font-family:var(--lr-sans);
  -webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;color-scheme:dark}
:where(.iv-body) button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
.iv-body [hidden]{display:none!important}
.iv-body button:focus-visible,.iv-body a:focus-visible{outline:2px solid var(--or);outline-offset:2px}
.iv-body em{font-style:italic}
/* Rules has no italic, so its slanted form leans into the next word: a hair of italic correction keeps the space */
.iv-body em{padding-right:.08em}
.pn-body em,.pn-fig em,.pn-now em,.iv-dek em{padding-right:0}

.iv{position:fixed;left:0;right:0;top:calc(var(--nav-h) + env(safe-area-inset-top,0px));bottom:var(--tab-h);display:grid;grid-template-columns:minmax(0,1fr) var(--side-w)}

/* ── the map ─────────────────────────────────────── */
.iv-map{position:relative;overflow:hidden;min-width:0;touch-action:none;
  background:radial-gradient(120% 90% at 50% 45%,#0B222B 0%,#061A21 45%,#021015 100%)}
.iv-map::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(130% 100% at 50% 50%,transparent 60%,rgba(0,6,9,.55) 100%)}
/* the era in view tints the ground under the map (a registered colour, so the change is a slow crossfade) */
@property --wash{syntax:'<color>';inherits:false;initial-value:rgba(2,16,21,0)}
.iv-wash{position:absolute;inset:0;pointer-events:none;--wash:rgba(2,16,21,0);
  background:radial-gradient(85% 75% at 50% 50%,var(--wash) 0%,transparent 78%);transition:--wash 1.8s cubic-bezier(.4,0,.2,1)}
#iv-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab}
#iv-canvas.is-point{cursor:pointer}
#iv-canvas.is-drag{cursor:grabbing}

/* region names, set like a survey map */
.iv-labels{position:absolute;inset:0;pointer-events:none;z-index:2}
.iv-rl{position:absolute;left:0;top:0;pointer-events:auto;white-space:nowrap;padding:7px 9px;margin:0;
  font:500 10.5px/1 var(--lr-sans);letter-spacing:.16em;text-transform:uppercase;color:rgba(239,233,216,.9);
  text-shadow:0 0 3px #011015,0 0 7px #011015,0 0 14px rgba(1,16,21,.9);
  opacity:0;visibility:hidden;transition:opacity .7s cubic-bezier(.2,.7,.2,1),letter-spacing .9s cubic-bezier(.2,.7,.2,1),color .25s,visibility 0s .7s;will-change:transform}
.iv-rl.on{opacity:1;visibility:visible;transition:opacity .7s cubic-bezier(.2,.7,.2,1),letter-spacing .9s cubic-bezier(.2,.7,.2,1),color .25s,visibility 0s}
.iv-rl.pre{letter-spacing:.5em}
/* an atlas hierarchy: the largest regions in larger, wider-set capitals, the smallest quieter */
.iv-rl.t1{font-size:11.5px;letter-spacing:.2em;color:rgba(252,251,247,.96);padding:7px 10px}
.iv-rl.t3{font-size:10px;letter-spacing:.13em;color:rgba(239,233,216,.76);padding:6px 8px}
.iv-rl.pre.t1{letter-spacing:.55em}.iv-rl.pre.t3{letter-spacing:.4em}
/* two balanced lines when one line has no ground of its own */
.iv-rl.two{text-align:center;line-height:1.28}
.iv-rl.two .brk{display:block;height:0;overflow:hidden}
.iv-rl b{font-weight:500;color:var(--rc,var(--or));margin-left:.5em;letter-spacing:.04em}
.iv-rl:hover,.iv-rl.hot{color:#FCFBF7}
.iv-rl.sel{color:var(--or)}
.iv-rl.sel b{color:var(--or)}
.iv-map.has-focus .iv-rl:not(.sel):not(.hot){color:rgba(239,233,216,.42)}
/* folded into time, the names step back: the moments and their chapters lead, the regions are a quiet overlay */
.iv-map.by-time .iv-rl:not(.sel):not(.hot){color:rgba(239,233,216,.5)}
.iv-map.by-time .iv-rl:not(.sel):not(.hot) b{opacity:.6}
.iv-rl .sw{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--rc);margin-right:.7em;vertical-align:1px;opacity:0;transition:opacity .3s}
.iv-map.by-idea .iv-rl .sw{opacity:1}

/* title block */
.iv-head{position:absolute;left:28px;top:22px;z-index:3;max-width:360px;pointer-events:none}
.iv-head::before{content:"";position:absolute;left:-60px;top:-50px;right:-70px;bottom:-40px;z-index:-1;pointer-events:none;
  background:radial-gradient(closest-side,rgba(2,14,19,.82),rgba(2,14,19,.55) 55%,rgba(2,14,19,0))}
.iv-eyebrow{margin:0 0 10px;color:var(--dim-c);display:flex;align-items:center;gap:9px}
.iv-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--or);display:block}
.iv-h1{margin:0;font:500 36px/1 var(--lr-sans);letter-spacing:-.035em;color:#FCFBF7;text-shadow:0 0 18px #011015}
.iv-dek{margin:10px 0 0;font:400 17px/1.35 var(--lr-serif);color:rgba(239,233,216,.78);text-shadow:0 0 10px #011015,0 0 3px #011015}

/* tools */
.iv-tools{position:absolute;right:20px;top:20px;z-index:6;display:flex;gap:8px;align-items:center}
.iv-search{position:relative;display:flex;align-items:center;height:36px;width:228px;padding:0 12px 0 10px;gap:8px;
  background:var(--glass);border:1px solid var(--hair-c);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.iv-search svg{width:16px;height:16px;flex:0 0 auto;fill:none;stroke:var(--dim-c);stroke-width:1.6}
.iv-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;color:var(--cream);font:400 13.5px/1 var(--lr-sans);outline:0}
.iv-search input::placeholder{color:rgba(239,233,216,.5)}
.iv-search input::-webkit-search-cancel-button{-webkit-appearance:none}
.iv-search:focus-within{border-color:rgba(239,233,216,.55)}
.iv-results{position:absolute;right:-1px;top:calc(100% + 6px);width:360px;max-height:min(420px,60vh);overflow:auto;margin:0;padding:6px 0;list-style:none;
  background:#FCFBF7;color:var(--ink);box-shadow:10px 11px 0 rgba(0,0,0,.28);border:1px solid var(--ink)}
.iv-results li{display:grid;grid-template-columns:62px 1fr;gap:10px;padding:8px 14px;cursor:pointer;align-items:baseline}
.iv-results li[aria-selected="true"],.iv-results li:hover{background:#EFE9D8}
.iv-results .y{font:500 11px/1.2 var(--lr-sans);letter-spacing:.06em;color:rgba(1,16,21,.6);font-variant-numeric:tabular-nums;display:flex;gap:7px;align-items:center}
.iv-results .y i{width:7px;height:7px;border-radius:50%;flex:0 0 auto}
.iv-results .t{font:500 14.5px/1.25 var(--lr-sans);letter-spacing:var(--hd)}
.iv-results .r .t{font:500 11px/1.3 var(--lr-sans);letter-spacing:.14em;text-transform:uppercase}
.iv-results .none{display:block;color:rgba(1,16,21,.6);font:400 14px/1.3 var(--lr-sans);cursor:default}
.iv-seg{display:flex;height:36px;border:1px solid var(--hair-c);background:var(--glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.iv-seg button{padding:0 13px;font:500 10.5px/1 var(--lr-sans);letter-spacing:.14em;text-transform:uppercase;color:var(--dim-c);transition:color .2s,background .2s}
.iv-seg button[aria-pressed="true"]{background:var(--cream);color:var(--ink)}
.iv-tog{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 13px;border:1px solid var(--hair-c)!important;background:var(--glass)!important;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font:500 10.5px/1 var(--lr-sans)!important;letter-spacing:.14em;text-transform:uppercase;color:var(--dim-c)!important;transition:color .2s,border-color .2s}
.iv-tog svg{width:18px;height:11px;fill:none;stroke:currentColor;stroke-width:1.5}
.iv-tog:hover{color:var(--cream)!important}
.iv-tog[aria-pressed="true"]{color:var(--cream)!important;border-color:var(--or)!important}
.iv-tog[aria-pressed="true"] svg{stroke:var(--or)}

.iv-zoom{position:absolute;right:20px;bottom:calc(var(--strip-h) + 14px);z-index:5;display:flex;flex-direction:column;border:1px solid var(--hair-c);background:var(--glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.iv-zoom button{width:36px;height:36px;display:grid;place-items:center;font:400 18px/1 var(--lr-sans);color:var(--dim-c)}
.iv-zoom button+button{border-top:1px solid var(--hair-c)}
.iv-zoom button:hover{color:var(--cream)}
.iv-zoom svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.5}

/* filter banner (movement or tag lit on the map) */
.iv-filter{position:absolute;right:20px;top:68px;z-index:6;display:flex;align-items:center;gap:12px;height:36px;padding:0 6px 0 14px;
  background:var(--cream);color:var(--ink);box-shadow:6px 7px 0 rgba(0,0,0,.35);font:400 13px/1 var(--lr-sans);white-space:nowrap;max-width:calc(100% - 40px)}
.iv-filter .lab{color:rgba(1,16,21,.6)}
.iv-filter b{font-weight:500;overflow:hidden;text-overflow:ellipsis;min-width:0}
.iv-filter>span:not(.lab){flex:0 0 auto}
.iv-filter a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--or);text-underline-offset:3px}
.iv-filter button{width:30px;height:30px;font-size:18px!important;color:var(--ink)!important}

/* the big era caption while history plays */
.iv-era{position:absolute;left:28px;bottom:calc(var(--strip-h) + 18px);z-index:3;pointer-events:none;opacity:0;transform:translateY(10px);
  transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.iv-era.on{opacity:1;transform:none}
.iv-era .yr{display:block;font:500 80px/.86 var(--lr-sans);color:#FCFBF7;font-variant-numeric:tabular-nums;letter-spacing:-.055em;margin-left:-.04em;text-shadow:0 0 24px #011015}
.iv-era .yr small{font-size:.3em;letter-spacing:.1em;font-variant-numeric:normal;margin-left:.22em;vertical-align:.06em}
.iv-era .yr small.pre{margin:0 .3em 0 0}
.iv-era .er{display:flex;align-items:center;gap:9px;margin-top:10px;color:var(--cream);text-shadow:0 0 8px #011015}
.iv-era .er i{width:8px;height:8px;border-radius:50%;background:var(--c,#fff)}
.iv-era .er.flip{animation:ivflip .7s cubic-bezier(.2,.7,.2,1)}
@keyframes ivflip{from{opacity:0;transform:translateY(8px);letter-spacing:.4em}to{opacity:1;transform:none}}

/* a first-visit hint, the site's hint chip: how to read and travel the map, gone at the first touch */
.iv-hint{position:absolute;left:28px;bottom:calc(var(--strip-h) + 18px);z-index:3;margin:0;max-width:calc(100% - 120px);padding:8px 12px;pointer-events:none;
  background:rgba(1,16,21,.78);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--hair-c);
  font:400 12.5px/1.35 var(--lr-sans);color:rgba(239,233,216,.86);opacity:0;transform:translateY(8px);
  transition:opacity .5s cubic-bezier(.2,.7,.2,1),transform .5s cubic-bezier(.2,.7,.2,1)}
.iv-hint.on{opacity:1;transform:none}
.iv-hint:empty{display:none}
.iv-hint kbd{font:500 10.5px/1 var(--lr-sans);letter-spacing:.06em;padding:2px 5px;border:1px solid rgba(239,233,216,.32);border-radius:3px;margin:0 2px;color:#FCFBF7}

/* a line naming the mode an icon-only toggle just chose */
.iv-toast{position:absolute;right:20px;top:66px;z-index:8;margin:0;max-width:min(420px,calc(100% - 40px));padding:9px 13px;pointer-events:none;
  background:#031419;border:1px solid var(--hair-c);border-left:3px solid var(--or);font:400 12.5px/1.35 var(--lr-sans);color:rgba(239,233,216,.86);
  opacity:0;transform:translateY(-6px);transition:opacity .35s cubic-bezier(.2,.7,.2,1),transform .35s cubic-bezier(.2,.7,.2,1)}
.iv-toast.on{opacity:1;transform:none}
.iv-toast b{font-weight:500;color:#FCFBF7}

/* the hover lens */
.iv-lens{position:absolute;left:0;top:0;z-index:7;width:300px;pointer-events:none;background:rgba(1,16,21,.92);color:var(--cream);border:1px solid var(--hair-c);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:12px 14px 12px;box-shadow:8px 9px 0 rgba(0,0,0,.35)}
.iv-lens.pinned{pointer-events:auto;background:#FCFBF7;color:var(--ink);border-color:var(--ink);box-shadow:10px 11px 0 rgba(0,0,0,.35)}
.iv-lens .l-era{display:flex;align-items:center;gap:8px;color:var(--dim-c)}
.iv-lens.pinned .l-era{color:rgba(1,16,21,.6)}
.iv-lens .l-era i{width:7px;height:7px;border-radius:50%;flex:0 0 auto}
.iv-lens .l-t{margin:7px 0 0;font:500 17px/1.18 var(--lr-sans);letter-spacing:var(--hd);color:#FCFBF7}
.iv-lens.pinned .l-t{color:var(--ink)}
.iv-lens .l-reg{margin-top:7px;font:400 12px/1.3 var(--lr-sans);color:var(--dim-c)}
.iv-lens.pinned .l-reg{color:rgba(1,16,21,.62)}
.iv-lens ol{list-style:none;margin:10px 0 0;padding:9px 0 0;border-top:1px solid var(--hair-c)}
.iv-lens.pinned ol{border-top-color:rgba(1,16,21,.17)}
.iv-lens li{display:grid;grid-template-columns:58px 1fr;gap:8px;padding:3px 0;font:400 13.5px/1.25 var(--lr-sans);color:rgba(239,233,216,.86)}
.iv-lens li .t{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.iv-lens.pinned li{color:var(--ink)}
.iv-lens li a{color:inherit;text-decoration:none;display:contents}
.iv-lens.pinned li{padding:6px 0;cursor:pointer}
.iv-lens.pinned li:hover .t{text-decoration:underline;text-decoration-color:var(--or);text-underline-offset:3px}
.iv-lens li .y{font:500 10.5px/1.5 var(--lr-sans);letter-spacing:.06em;font-variant-numeric:tabular-nums;display:flex;align-items:flex-start;gap:6px;color:var(--dim-c)}
.iv-lens.pinned li .y{color:rgba(1,16,21,.6)}
.iv-lens li .y i{width:6px;height:6px;border-radius:50%;margin-top:4px;flex:0 0 auto}
.iv-lens .l-h{display:flex;justify-content:space-between;align-items:center;gap:10px}
.iv-lens .l-x{width:28px;height:28px;margin:-6px -8px -6px 0;font-size:18px!important;color:inherit}
.iv-lens .l-hint{margin-top:9px;font:400 11.5px/1.3 var(--lr-sans);color:rgba(239,233,216,.5)}
.iv-lens.pinned .l-hint{display:none}

/* time strip: the ground of chronology */
.iv-time{position:absolute;left:0;right:0;bottom:0;height:var(--strip-h);z-index:4;display:flex;align-items:center;gap:16px;padding:0 20px 0 22px;
  background:linear-gradient(to bottom,rgba(1,16,21,0) 0%,rgba(1,16,21,.72) 38%,rgba(1,16,21,.9) 100%)}
.iv-play{flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:1px solid rgba(239,233,216,.5)!important;display:grid;place-items:center;transition:background .2s,border-color .2s}
.iv-play svg{width:15px;height:15px;fill:var(--cream)}
.iv-play .pa{display:none}
.iv-play.on{background:var(--or)!important;border-color:var(--or)!important}
.iv-play.on .pa{display:block}.iv-play.on .pl{display:none}
.iv-play:hover{border-color:var(--cream)!important}
.iv-strip{position:relative;flex:1;min-width:0;height:48px;cursor:ew-resize;touch-action:none}
.iv-strip:focus-visible{outline:2px solid var(--or);outline-offset:4px}
#iv-stripc{position:absolute;inset:0;width:100%;height:100%;display:block}
.iv-strip-tip{position:absolute;bottom:calc(100% + 8px);left:0;transform:translateX(-50%);white-space:nowrap;max-width:320px;overflow:hidden;text-overflow:ellipsis;
  background:#FCFBF7;color:var(--ink);padding:7px 10px;font:500 13.5px/1.2 var(--lr-sans);letter-spacing:var(--hd);box-shadow:5px 6px 0 rgba(0,0,0,.35);pointer-events:none}
.iv-strip-tip b{font:500 10.5px/1 var(--lr-sans);letter-spacing:.08em;margin-right:8px;font-variant-numeric:tabular-nums}
.iv-read{flex:0 0 auto;min-width:150px;text-align:right;font:400 13px/1.25 var(--lr-sans);color:var(--dim-c)}
.iv-read b{font-weight:500;color:var(--cream);font-variant-numeric:tabular-nums}
.iv-read span{display:block;font-size:11.5px;margin-top:3px}
.iv-read button{margin-top:4px;font:500 10.5px/1 var(--lr-sans)!important;letter-spacing:.14em;text-transform:uppercase;color:var(--or)!important;padding:4px 0!important}

/* ── the atlas column ───────────────────────────── */
.iv-side{position:relative;background:var(--paper);color:var(--ink);border-left:1px solid var(--ink);min-width:0;overflow:hidden;display:flex;flex-direction:column}
.iv-grab{display:none}
.iv-scroll{flex:1;min-height:0;display:flex;flex-direction:column}
.iv-stage{position:relative;flex:0 0 auto;cursor:pointer;margin:18px 20px 14px;aspect-ratio:16/10;border:1px solid var(--ink);box-shadow:10px 11px 0 rgba(1,16,21,.12);overflow:hidden;background:var(--ink);isolation:isolate}
.iv-stage-ground{position:absolute;inset:0;z-index:0;background:radial-gradient(90% 110% at 30% 40%,var(--g1,#1b3a44) 0%,var(--g2,#061A21) 70%);transition:background 1s}
.iv-stage-ground canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0;transition:opacity .8s}
.iv-stage-ground canvas.in{opacity:.72}
.iv-stage-ground::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(1,16,21,.05),rgba(1,16,21,.55))}
.iv-stage-ground span{z-index:2;position:absolute;right:14px;top:6px;font:400 120px/1 var(--lr-serif);color:rgba(255,255,255,.07);font-variant-numeric:lining-nums}
.iv-stage-ground::after{content:"";position:absolute;inset:0;z-index:1;opacity:.35;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 4px)}
.iv-stage-scenes{position:absolute;inset:0;z-index:1}
.iv-scene-box{position:absolute;inset:0;opacity:0;transition:opacity .9s cubic-bezier(.4,0,.2,1);overflow:hidden}
.iv-scene-box.on{opacity:1}
.iv-scene-v{position:absolute;left:0;top:0;transform-origin:0 0}
.iv-stage-go{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);z-index:4;display:inline-flex;white-space:nowrap;align-items:center;gap:10px;height:44px;padding:0 18px 0 16px;
  background:#FCFBF7!important;color:var(--ink)!important;box-shadow:6px 7px 0 rgba(0,0,0,.35);font:500 10.5px/1 var(--lr-sans)!important;letter-spacing:.14em;text-transform:uppercase}
.iv-stage-go svg{width:12px;height:12px;fill:var(--or)}
.iv-stage-open{position:absolute;top:10px;right:10px;z-index:5;display:flex;align-items:baseline;gap:8px;max-width:calc(100% - 20px);padding:8px 11px;
  background:#FCFBF7;color:var(--ink);text-decoration:none;box-shadow:5px 6px 0 rgba(0,0,0,.35);font:500 13px/1.2 var(--lr-sans);letter-spacing:var(--hd);
  opacity:0;transform:translateY(-4px);pointer-events:none;transition:opacity .25s cubic-bezier(.2,.7,.2,1),transform .25s cubic-bezier(.2,.7,.2,1)}
.iv-stage-open .lab{flex:0 0 auto;color:rgba(1,16,21,.55);letter-spacing:.16em}
.iv-stage-open .t{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.iv-stage-open>span:last-child{flex:0 0 auto;color:var(--or)}
.iv-stage:hover .iv-stage-open,.iv-stage-open:focus-visible{opacity:1;transform:none;pointer-events:auto}
@media (hover:none){.iv-stage-open{display:none}}
.iv-stage-cap{position:absolute;left:0;right:0;bottom:0;z-index:3;margin:0;display:flex;align-items:center;gap:10px;min-height:34px;padding:8px 12px;background:var(--ink);color:var(--cream);font:400 12px/1.3 var(--lr-sans)}
.iv-stage-cap .lv{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;font:500 10px/1 var(--lr-sans);letter-spacing:.16em;text-transform:uppercase;color:var(--or)}
.iv-stage-cap .lv i{width:6px;height:6px;border-radius:50%;background:var(--or);animation:ivlive 1.6s ease-in-out infinite}
.iv-stage-cap .lv.off{color:var(--dim-c)}.iv-stage-cap .lv.off i{background:var(--dim-c);animation:none}
@keyframes ivlive{50%{opacity:.3}}
.iv-stage-cap .ct{min-width:0;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.iv-stage-cap a{color:inherit;text-decoration:underline;text-decoration-color:rgba(239,233,216,.4);text-underline-offset:3px}

.iv-panel{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:26px 20px 48px;-webkit-mask-image:linear-gradient(to bottom,transparent 0,transparent 4px,#000 30px);mask-image:linear-gradient(to bottom,transparent 0,transparent 4px,#000 30px);scrollbar-width:thin;scrollbar-color:rgba(1,16,21,.3) transparent}
.iv-panel.swap{animation:ivpanel .5s cubic-bezier(.2,.7,.2,1)}
@keyframes ivpanel{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* panel typography */
.pn-top{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:28px}
.pn-eye{display:flex;align-items:center;gap:8px;color:rgba(1,16,21,.62);margin:0}
.pn-eye i{width:8px;height:8px;border-radius:50%;flex:0 0 auto;box-shadow:0 0 0 1px rgba(1,16,21,.25)}
.pn-x{width:36px;height:36px;margin-right:-8px;display:grid;place-items:center;font:300 22px/1 var(--lr-sans)!important;color:rgba(1,16,21,.7)!important}
.pn-x:hover{color:var(--or)!important}
.pn-year{display:block;margin:12px 0 0;font:500 54px/.9 var(--lr-sans);letter-spacing:-.05em;margin-left:-.03em;color:var(--ink);font-variant-numeric:tabular-nums}
.pn-year small{font-size:.36em;letter-spacing:.08em;font-variant-numeric:normal;margin-left:.2em;vertical-align:.08em}
.pn-year small.pre{margin:0 .28em 0 0}
.pn-h{margin:8px 0 0;font:500 29px/1.06 var(--lr-sans);letter-spacing:-.03em;color:var(--ink);text-wrap:balance}
.pn-h.big{font-size:32px}
.pn-meta{margin:10px 0 0;font:400 13px/1.4 var(--lr-sans);color:rgba(1,16,21,.64)}
.pn-meta button{color:var(--ink)!important;text-decoration:underline;text-decoration-color:var(--or);text-underline-offset:3px}
.pn-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0}
.pn-btn{display:inline-flex;align-items:center;gap:10px;height:40px;padding:0 16px;background:var(--ink)!important;color:#FCFBF7!important;text-decoration:none;
  font:500 10.5px/1 var(--lr-sans)!important;letter-spacing:.14em;text-transform:uppercase;box-shadow:5px 6px 0 rgba(255,76,0,.9);transition:transform .15s,box-shadow .15s}
.pn-btn:hover{transform:translate(-1px,-1px);box-shadow:6px 7px 0 rgba(255,76,0,1)}
.pn-btn.alt{background:transparent!important;color:var(--ink)!important;border:1px solid var(--ink)!important;box-shadow:none}
.pn-btn.alt:hover{background:rgba(1,16,21,.06)!important;transform:none;box-shadow:none}
.pn-body{margin:18px 0 0;font:400 17.5px/1.48 var(--lr-serif);color:var(--ink);position:relative}
.pn-body p{margin:0 0 .7em}
.pn-body a{color:inherit;text-decoration:underline;text-decoration-color:rgba(255,76,0,.7);text-underline-offset:3px}
.pn-body.clamp{max-height:14.5em;overflow:hidden}
.pn-body.clamp::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4.5em;background:linear-gradient(rgba(247,244,234,0),var(--paper))}
.pn-more{margin-top:6px;font:500 10.5px/1 var(--lr-sans);letter-spacing:.14em;text-transform:uppercase}
.pn-more a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--or);padding-bottom:3px}
.pn-sec{margin:26px 0 0;padding-top:14px;border-top:1px solid rgba(1,16,21,.17)}
.pn-sec>h3{margin:0 0 10px;font:500 10.5px/1.2 var(--lr-sans);letter-spacing:.16em;text-transform:uppercase;color:rgba(1,16,21,.62);display:flex;justify-content:space-between;gap:10px}
.pn-sec>h3 small{font:400 11px/1.2 var(--lr-sans);letter-spacing:0;text-transform:none;text-align:right;max-width:58%}
.pn-note{margin:0 0 10px;font:400 13px/1.45 var(--lr-sans);color:rgba(1,16,21,.66)}
.pn-list{list-style:none;margin:0;padding:0}
.pn-list li+li{border-top:1px solid rgba(1,16,21,.09)}
.pn-list a,.pn-list .row{display:grid;grid-template-columns:70px 1fr;gap:10px;align-items:baseline;padding:8px 0;color:var(--ink);text-decoration:none;min-height:40px}
.pn-list a:hover .t{text-decoration:underline;text-decoration-color:var(--or);text-underline-offset:3px}
.pn-list .y{font:500 11px/1.4 var(--lr-sans);letter-spacing:.04em;color:rgba(1,16,21,.62);font-variant-numeric:tabular-nums;display:flex;gap:7px;align-items:flex-start}
.pn-list .y i{width:7px;height:7px;border-radius:50%;margin-top:4px;flex:0 0 auto;box-shadow:0 0 0 1px rgba(1,16,21,.2)}
.pn-list .t{font:500 15.5px/1.26 var(--lr-sans);letter-spacing:var(--hd)}
.pn-list .t small{display:block;margin-top:4px;font:400 12.5px/1.35 var(--lr-sans);letter-spacing:0;color:rgba(1,16,21,.58)}
.pn-list .star{color:var(--or);font:500 10px/1 var(--lr-sans);letter-spacing:.1em;margin-left:6px;white-space:nowrap}
.pn-list .ext{display:block}
.pn-list .ext .t a,.pn-list .ext a.x{display:inline;padding:0;min-height:0}
.pn-grp{margin:12px 0 2px;font:500 10px/1.2 var(--lr-sans);letter-spacing:.16em;text-transform:uppercase;color:rgba(1,16,21,.5);display:flex;align-items:center;gap:8px}
.pn-grp i{width:7px;height:7px;border-radius:50%}
.pn-chips{display:flex;flex-wrap:wrap;gap:6px}
.pn-chip{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:6px 10px;border:1px solid rgba(1,16,21,.28)!important;font:400 12.5px/1.2 var(--lr-sans)!important;color:var(--ink)!important;text-decoration:none;background:transparent;text-align:left;transition:background .15s,border-color .15s}
.pn-chip:hover{background:#FCFBF7!important;border-color:var(--ink)!important}
.pn-chip.on{background:var(--ink)!important;color:var(--cream)!important;border-color:var(--ink)!important}
.pn-chip i{width:6px;height:6px;border-radius:50%;background:var(--or);flex:0 0 auto}
.pn-chip small{font:500 10.5px/1 var(--lr-sans);opacity:.5;font-variant-numeric:tabular-nums}
.pn-chip small:empty{display:none}
.pn-chip.on small{opacity:.7}
.pn-sg+.pn-sg{margin-top:12px}
.pn-sgl{margin:0 0 6px;font:500 10px/1.2 var(--lr-sans);letter-spacing:.16em;text-transform:uppercase;color:rgba(1,16,21,.46)}
.pn-step{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(1,16,21,.17);border:1px solid rgba(1,16,21,.17)}
.pn-step>a,.pn-step>span{display:block;background:var(--paper);padding:10px 12px;color:var(--ink);text-decoration:none;min-height:64px;transition:background .15s}
.pn-step>a:hover{background:#FCFBF7}
.pn-step .t{display:block}
.pn-step .k{display:block;font:500 10px/1.2 var(--lr-sans);letter-spacing:.14em;text-transform:uppercase;color:rgba(1,16,21,.55);margin-bottom:5px}
.pn-step .t{font:500 14.5px/1.22 var(--lr-sans);letter-spacing:var(--hd)}
.pn-step .nx{text-align:right}
.pn-step>span{color:rgba(1,16,21,.4);font:400 13px/1.3 var(--lr-sans)}
.pn-step+.pn-step{border-top:0}
.pn-bars{display:grid;grid-template-columns:repeat(10,1fr);gap:3px;align-items:end;height:74px;margin-top:26px}
.pn-bars div{position:relative;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:stretch}
.pn-bars b{display:block;background:var(--c);min-height:1px;box-shadow:inset 0 0 0 1px rgba(1,16,21,.12);transform-origin:bottom;animation:ivbar .8s cubic-bezier(.2,.7,.2,1) both}
.pn-bars b.z{background:rgba(1,16,21,.1);box-shadow:none}
@keyframes ivbar{from{transform:scaleY(0)}}
.pn-bars span{position:absolute;left:0;right:0;top:calc(100% + 5px);text-align:center;font:500 10px/1 var(--lr-sans);color:rgba(1,16,21,.5)}
.pn-bars em{position:absolute;left:-10px;right:-10px;text-align:center;font:500 10px/1 var(--lr-sans);font-style:normal;color:rgba(1,16,21,.75);font-variant-numeric:tabular-nums}
.pn-bars-cap{margin:24px 0 0;font:400 13px/1.45 var(--lr-sans);color:rgba(1,16,21,.66)}
.pn-atlas{list-style:none;margin:0;padding:0}
.pn-atlas li+li{border-top:1px solid rgba(1,16,21,.09)}
.pn-atlas button{display:grid;grid-template-columns:12px 1fr auto 72px;gap:10px;align-items:center;width:100%;text-align:left;padding:9px 0;min-height:40px;color:var(--ink)!important}
.pn-atlas button:hover .n{text-decoration:underline;text-decoration-color:var(--or);text-underline-offset:3px}
.pn-atlas .sw{width:9px;height:9px;border-radius:50%;box-shadow:0 0 0 1px rgba(1,16,21,.2)}
.pn-atlas .n{font:500 14.5px/1.22 var(--lr-sans);letter-spacing:var(--hd)}
.pn-atlas .c{font:500 11px/1 var(--lr-sans);color:rgba(1,16,21,.55);font-variant-numeric:tabular-nums}
.pn-atlas .sp{display:grid;grid-template-columns:repeat(10,1fr);gap:1px;align-items:end;height:18px}
.pn-atlas .sp b{display:block;background:var(--c);min-height:1px}
.pn-key{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.pn-key li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start;font:400 14px/1.4 var(--lr-sans);color:rgba(1,16,21,.8)}
.pn-key svg{width:34px;height:20px;overflow:visible}
.pn-key b{font-weight:500;color:var(--ink)}
.pn-eras{display:grid;grid-template-columns:repeat(5,1fr);gap:6px 8px;margin-top:4px}
.pn-eras span{display:flex;align-items:center;gap:6px;font:400 11.5px/1.2 var(--lr-sans);color:rgba(1,16,21,.72);white-space:nowrap}
.pn-eras i{width:8px;height:8px;border-radius:50%;flex:0 0 auto;box-shadow:0 0 0 1px rgba(1,16,21,.2)}
.pn-small{font:400 12.5px/1.5 var(--lr-sans);color:rgba(1,16,21,.6);margin:0}
.pn-pod .row{grid-template-columns:70px 1fr}
.pn-pod .lk{display:flex;gap:14px;margin-top:6px;font:500 10.5px/1 var(--lr-sans);letter-spacing:.12em;text-transform:uppercase}
.pn-pod .lk a{display:inline;padding:0;min-height:0;color:var(--ink);border-bottom:1px solid var(--or);padding-bottom:2px}
.pn-tagc{display:inline-block;margin-left:6px;padding:2px 5px;background:var(--or);color:#FCFBF7;font:500 9.5px/1.2 var(--lr-sans);letter-spacing:.12em;text-transform:uppercase;vertical-align:2px}
.pn-play{margin-top:4px}
.pn-now{font:400 15px/1.45 var(--lr-serif);color:var(--ink);margin:10px 0 0}
.pn-count{font:500 54px/.9 var(--lr-sans);letter-spacing:-.05em;font-variant-numeric:tabular-nums;margin:16px 0 0}
.pn-count small{letter-spacing:0}
.pn-count small{font:400 13px/1 var(--lr-sans);color:rgba(1,16,21,.6);margin-left:8px}

/* the archival image, on its era plate when the image is not there */
.pn-fig{margin:22px 0 0}
.pn-fig-img{position:relative;aspect-ratio:4/3;max-height:340px;overflow:hidden;background:#E9E4D6;box-shadow:8px 9px 0 rgba(1,16,21,.1)}
.pn-fig-img canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.pn-fig-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#EEEAE0;opacity:0;transition:opacity .6s}
.pn-fig-img.is-loaded img{opacity:1}
.pn-fig-alt{position:absolute;left:10px;bottom:10px;padding:6px 8px;background:rgba(252,251,247,.92);color:rgba(1,16,21,.7);display:none}
.pn-fig.is-noimg .pn-fig-alt{display:block}
.pn-fig.is-noimg figcaption{display:none}
.pn-fig figcaption{margin:10px 0 0;display:flex;flex-direction:column;gap:4px}
.pn-fig figcaption span{font:italic 400 15px/1.4 var(--lr-serif);color:rgba(1,16,21,.8)}
.pn-fig figcaption small{font:400 11.5px/1.45 var(--lr-sans);color:rgba(1,16,21,.5);overflow-wrap:anywhere}
.pn-fig figcaption a{color:inherit;text-decoration:underline;text-decoration-color:rgba(1,16,21,.25);text-underline-offset:2px}

/* the echo ribbon: ten eras in a bar, echoes hanging beneath as arcs */
.pn-ribbon{display:block;width:100%;height:auto;margin:6px 0 10px;overflow:visible}
.pn-ribbon text{font:500 10.5px var(--lr-sans);letter-spacing:.04em;fill:rgba(1,16,21,.62);font-variant-numeric:tabular-nums}
.pn-ribbon text.me{fill:var(--or);font-size:11.5px}
.pn-ribbon .rb-a{fill:none;stroke-width:1.7;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;animation:ivrb .9s cubic-bezier(.3,.7,.2,1) forwards}
.pn-ribbon .rb-a.is-l{stroke-width:1.1;stroke-dasharray:.012 .018;stroke-dashoffset:0;opacity:0;animation:ivrbl .6s ease-out forwards}
@keyframes ivrb{to{stroke-dashoffset:0}}
@keyframes ivrbl{to{opacity:1}}

/* ── narrower desktops ─────────────────────────── */
@media (max-width:1320px){:root{--side-w:380px}.iv-search{width:190px}.iv-h1{font-size:34px}.iv-dek{font-size:15.5px;max-width:300px}}
@media (max-width:1180px){.iv-tog span{display:none}.iv-tog{padding:0 11px}}

/* ── sheet layout: tablets and phones ──────────── */
@media (max-width:1099px){
  :root{--strip-h:64px;--peek:54px}
  .iv{grid-template-columns:minmax(0,1fr)}
  .iv-side{position:fixed;left:0;right:0;z-index:30;bottom:calc(var(--tab-h) + var(--strip-h));height:var(--sheet-full,70vh);border-left:0;border-top:1px solid var(--ink);
    box-shadow:0 -10px 0 rgba(0,0,0,.18);transform:translateY(calc(var(--sheet-full,70vh) - var(--sheet-vis,54px)));
    clip-path:inset(-14px 0 calc(var(--sheet-full,70vh) - var(--sheet-vis,54px)) 0);
    transition:transform .45s cubic-bezier(.2,.8,.2,1),clip-path .45s cubic-bezier(.2,.8,.2,1);will-change:transform}
  .iv-side.dragging{transition:none}
  .iv-grab{display:flex;align-items:center;gap:10px;position:relative;flex:0 0 auto;height:var(--peek);padding:10px 12px 0 18px;cursor:grab;touch-action:none;user-select:none}
  .iv-grab-bar{position:absolute;left:50%;top:7px;width:40px;height:4px;margin-left:-20px;border-radius:2px;background:rgba(1,16,21,.3)}
  .iv-grab-t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(1,16,21,.7)}
  .iv-sheet-x{width:40px;height:40px;font:300 24px/1 var(--lr-sans)!important;color:rgba(1,16,21,.7)!important;visibility:hidden}
  .iv-side.has-x .iv-sheet-x{visibility:visible}
  /* the scroller ends where the visible sheet ends, so its last line can always be reached */
  .iv-scroll{display:block;flex:none;height:calc(var(--sheet-vis,54px) - var(--peek));overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
    transition:height .45s cubic-bezier(.2,.8,.2,1)}
  .iv-side.dragging .iv-scroll{transition:none}
  .pn-x{display:none}
  .iv-head{transition:opacity .35s cubic-bezier(.2,.7,.2,1)}
  .iv-map.sheet-open .iv-head{opacity:0}
  .iv-stage{margin:4px 16px 0}
  .iv-panel{overflow:visible;padding:18px 18px 40px;-webkit-mask-image:none;mask-image:none}
  .iv-head{left:16px;top:14px;max-width:calc(100% - 32px)}
  .iv-h1{font-size:26px}
  .iv-era .yr{letter-spacing:-.05em}
  .iv-dek{display:none}
  .iv-eyebrow{margin-bottom:6px}
  .iv-tools{left:16px;right:16px;top:auto;bottom:calc(var(--strip-h) + var(--peek) + 12px);justify-content:flex-start;flex-wrap:nowrap}
  .iv-search{flex:1;width:auto;height:40px}
  .iv-seg{height:40px}.iv-tog{height:40px;padding:0 11px}
  .iv-results{width:auto;left:-1px;right:auto;min-width:calc(100vw - 32px);top:auto;bottom:calc(100% + 6px)}
  /* phones keep one zoom control: back to the whole map (pinch does the rest) */
  .iv-zoom{top:12px;right:12px;bottom:auto;transition:opacity .35s cubic-bezier(.2,.7,.2,1)}
  .iv-zoom [data-zoom=in],.iv-zoom [data-zoom=out]{display:none}
  .iv-zoom button{width:40px;height:40px}
  .iv-zoom [data-zoom=fit]{border-top:0}
  /* the banner rides above the sheet, so a subject lit from the sheet is always named on the map */
  .iv-filter{top:auto;right:auto;left:16px;max-width:calc(100% - 32px);font-size:12px;
    bottom:max(calc(var(--strip-h) + var(--peek) + 62px),calc(var(--strip-h) + var(--sheet-vis,54px) + 10px));transition:bottom .45s cubic-bezier(.2,.8,.2,1)}
  .iv-era{left:16px;right:16px;bottom:auto;top:84px}
  /* while the year is told, it takes the title's place */
  .iv-map:has(.iv-era.on) .iv-head{opacity:0}
  .iv-map:has(.iv-era.on) .iv-era{top:12px}
  /* a phone's atlas names, a step smaller */
  .iv-rl{font-size:10px;letter-spacing:.14em}
  .iv-rl.t1{font-size:11px;letter-spacing:.17em}
  .iv-rl.t3{font-size:9.5px;letter-spacing:.12em}
  .iv-hint{left:16px;right:64px;bottom:auto;top:80px;max-width:none;font-size:12px}
  .iv-map.sheet-open .iv-hint{opacity:0}
  .iv-toast{left:16px;right:64px;top:12px;max-width:none;font-size:12px;transform:translateY(-6px)}
  .iv-map:has(.iv-era.on) .iv-toast{top:112px}
  .iv-era .yr{font-size:52px}
  .iv-time{padding:0 14px 0 12px;gap:10px;background:rgba(1,16,21,.94);border-top:1px solid var(--hair-c)}
  .iv-play{width:42px;height:42px}
  .iv-strip{height:44px}
  .iv-read{min-width:0;font-size:11.5px}
  .iv-read span{display:none}
  .iv-lens{width:min(300px,calc(100vw - 32px))}
  /* touch targets: 40px wherever a finger lands */
  .pn-chip{min-height:40px}
  .iv-filter{height:40px}
  .iv-filter button{width:40px;height:40px;margin-right:-4px}
  .iv-lens .l-x{width:40px;height:40px;margin:-12px -14px -12px 0}
  .pn-meta button{padding:11px 0;margin:-11px 0}
  .pn-pod .lk{gap:20px;margin-top:0}
  .pn-pod .lk a{padding:13px 0 3px}
  .pn-more a{display:inline-block;padding-top:14px}
}
@media (max-width:860px){:root{--tab-h:calc(52px + env(safe-area-inset-bottom,0px))}
  /* the nav's backdrop-filter makes it the containing block of its fixed tab bar; on this page the bar sits solid instead */
  .iv-body .site-nav{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(1,16,21,.96)}
  .iv-body .sn-links{background:rgba(1,16,21,.97)}}
@media (max-width:560px){
  .iv-tog{width:40px;padding:0;justify-content:center}
  .iv-seg button{padding:0 11px}
  .iv-read{display:none}
  .iv-head .iv-eyebrow{font-size:10px}
  .iv-filter{gap:10px}
  .iv-filter .w{display:none}
  /* a phone's names set closer, and long ones on two lines (see measureLabels), so the map shows between them */
  .iv-rl{font-size:9.5px;letter-spacing:.1em;padding:6px 7px}
  .iv-rl.t1{font-size:10.5px;letter-spacing:.12em;padding:6px 8px}
  .iv-rl.t3{font-size:9px;letter-spacing:.08em;padding:5px 6px}
  .iv-rl.two{line-height:1.3}
  .iv-rl.pre{letter-spacing:.3em}.iv-rl.pre.t1{letter-spacing:.34em}.iv-rl.pre.t3{letter-spacing:.24em}
}
@media (prefers-reduced-motion:reduce){
  .iv-rl,.iv-rl.on,.iv-scene-box,.iv-era,.iv-side{transition-duration:.01s!important}
  .iv-wash,.iv-hint,.iv-filter,.iv-toast{transition:none}
  .iv-panel.swap,.pn-bars b,.iv-era .er.flip{animation:none}
  .pn-ribbon .rb-a,.pn-ribbon .rb-a.is-l{animation:none;stroke-dashoffset:0;opacity:1}
  .iv-scroll,.iv-head{transition:none!important}
  .iv-stage-cap .lv i{animation:none}
}

/* Optional map guide: native dialog supplies focus containment and Escape. */
.iv-help-open{pointer-events:auto;margin-top:12px;padding:5px 0;background:none;border:0;font:400 12px/1.5 var(--lr-sans);color:inherit;text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.iv-help-open:hover{color:var(--or)}
.iv-help-dialog{box-sizing:border-box;width:min(540px,calc(100vw - 32px));max-height:calc(100dvh - 48px);margin:auto;padding:28px;border:1px solid rgba(1,16,21,.2);background:#f5f2e9;color:#011015;overflow:auto;box-shadow:0 16px 70px #01101530}
.iv-help-dialog::backdrop{background:rgba(1,16,21,.38)}
.iv-help-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}
.iv-help-heading h2{margin:0;font:400 26px/1.2 var(--lr-sans);letter-spacing:-.03em}
.iv-help-heading button{flex:none;width:36px;height:36px;border:1px solid #01101530;background:none;color:inherit;font:400 26px/1 var(--lr-sans);cursor:pointer}
.iv-help-dialog .pn-key{margin:0}.iv-help-dialog .pn-eras{flex-wrap:wrap}
.iv-help-open:focus-visible,.iv-help-heading button:focus-visible{outline:2px solid #ff4c00;outline-offset:4px}