:root{--bg:#0e1116;--panel:#161b22;--ink:#e9edf2;--muted:#9aa4b2;--line:#232a33;
  --fast:#17b8a6;--mid:#e9e0c9;--slow:#e8582c;--censor:#5b4a2e;--never:#20252d;--accent:#17b8a6;}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}
#app{position:relative;width:100%;height:100vh;overflow:hidden}
svg{display:block;width:100%;height:100%}
svg.globe{cursor:grab} svg.globe.grab{cursor:grabbing}
.land{stroke:#0e1116;stroke-width:.4px;cursor:pointer}
.dot{stroke:#0e1116;stroke-width:.6px;cursor:pointer}
.graticule{fill:none;stroke:#1b222c;stroke-width:.5px;pointer-events:none}
.sphere{stroke:#2a333f;stroke-width:1px}
.lbl{font-size:11px;font-weight:600;fill:#fff;paint-order:stroke;stroke:#0b0e12;stroke-width:3px;
  stroke-linejoin:round;pointer-events:none;text-anchor:middle}
.lbl .v{fill:var(--accent)}
.pulse{fill:none;stroke:var(--accent);stroke-width:2px;pointer-events:none;animation:pulse 1.15s ease-out 2 forwards}
@keyframes pulse{0%{r:6px;stroke-opacity:.95}100%{r:36px;stroke-opacity:0}}

.cable{fill:none;stroke:#5b9ce8;stroke-linecap:round;stroke-linejoin:round;pointer-events:stroke;cursor:pointer;
  transition:stroke-opacity .5s,stroke-width .3s}
.cable.laid{stroke-opacity:.38;stroke-width:1px}
.cable.laid:hover{stroke-opacity:.9;stroke-width:1.6px}
.cable.fresh{stroke-opacity:.95;stroke-width:1.8px;filter:drop-shadow(0 0 3px rgba(91,156,232,.85))}
.cable.unlaid{stroke-opacity:0;stroke-width:1px}

.ov{transition:opacity .35s} /* overlays that clean-mode hides */
#app.clean .ov{opacity:0 !important;pointer-events:none !important}

.hd{position:absolute;top:26px;left:30px;max-width:460px;pointer-events:none;z-index:5}
.kicker{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:8px}
h1{font-family:Fraunces,Georgia,serif;font-weight:600;font-size:30px;line-height:1.08;margin:0 0 10px;letter-spacing:-.01em}
.sub{font-size:13.5px;line-height:1.5;color:var(--muted);margin:0;max-width:420px}
.sub b{color:var(--ink);font-weight:600}
.credit{font-size:11.5px;color:#5a6470;margin:12px 0 0}
.credit a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line);
  pointer-events:auto;transition:color .15s,border-color .15s}
.credit a:hover{color:var(--accent);border-bottom-color:var(--accent)}

.controls{position:absolute;left:30px;bottom:26px;display:flex;flex-direction:column;gap:9px;z-index:6;
  max-width:min(640px,52vw);background:rgba(22,27,34,.72);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:14px;padding:11px 14px}
/* right column: legend / rank stacked above the view & playback controls */
.rightcol{position:absolute;right:30px;bottom:26px;z-index:6;display:flex;flex-direction:column;
  gap:10px;align-items:stretch;width:268px}
.rightcol .panel{position:static;width:auto}
.pctl .crow+.crow{margin-top:9px}
.pctl .crow{flex-wrap:nowrap;gap:8px}
.pctl #viewseg{flex:1;min-width:0}
.pctl #viewseg button{white-space:nowrap;flex:1;padding-left:8px;padding-right:8px}
.pctl #spinbtn{flex:none;white-space:nowrap;box-sizing:border-box;width:66px;height:35px;
  padding:0;display:flex;align-items:center;justify-content:center;gap:4px;line-height:1}
.pctl .btn.play{flex:1}
.zoomctl{width:100%}
.zoomctl button{flex:none;width:36px;font-size:15px;line-height:1}
.zlvl{flex:1;display:flex;align-items:center;justify-content:center;font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.crow{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
/* filters that don't apply to the active layer keep their space, dimmed */
.dis{opacity:.28;pointer-events:none;transition:opacity .2s}
#threshgrp,#hirow{transition:opacity .2s}
.grp{display:flex;align-items:center;gap:7px}
.grp .gl,.crow>.gl{font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#5c6572;font-weight:600}
.seg{display:flex;background:var(--panel);border:1px solid var(--line);border-radius:9px;overflow:hidden}
/* nine data tags: wrap whole buttons to the next line, never the label text */
#layerseg{flex-wrap:wrap}
#layerseg button{white-space:nowrap;flex:1}
.seg button{background:none;border:0;color:var(--muted);padding:8px 13px;font:inherit;font-size:12.5px;font-weight:500;cursor:pointer;transition:.15s}
.seg button+button{border-left:1px solid var(--line)}
/* same weight as inactive: a bolder label is wider and makes the row shift on click */
.seg button.on{background:var(--accent);color:#04201d}
.seg button:hover:not(.on){color:var(--ink)}
.btn{background:var(--panel);border:1px solid var(--line);color:var(--muted);padding:8px 13px;border-radius:9px;font:inherit;font-size:12.5px;font-weight:500;cursor:pointer;transition:.15s}
.btn:hover{color:var(--ink);border-color:#3a4552}
.btn.on{color:var(--ink);border-color:var(--accent);background:#12312d}
.btn.play{color:#04201d;background:var(--accent);border-color:var(--accent);font-weight:600}
/* colour-coded highlight filters */
.btn.h{display:inline-flex;align-items:center;gap:7px;padding-left:11px}
.btn.h .d{width:9px;height:9px;border-radius:50%;background:var(--c);flex:none;transition:box-shadow .18s}
.btn.h:hover{color:var(--ink);border-color:var(--c)}
.btn.h.on{color:#fff;border-color:var(--c);background:var(--cbg)}
.btn.h.on .d{box-shadow:0 0 9px 1.5px var(--c)}
.h-fast{--c:#17b8a6;--cbg:rgba(23,184,166,.15)}
.h-slow{--c:#e8582c;--cbg:rgba(232,88,44,.15)}
.h-leap{--c:#e6b34a;--cbg:rgba(230,179,74,.15)}
.h-never{--c:#9aa4b2;--cbg:rgba(154,164,178,.14)}
.h-cable{--c:#5b9ce8;--cbg:rgba(91,156,232,.15)}
.btn.reset{color:#7d8794}
.btn.reset:hover{color:var(--ink);border-color:#3a4552}

.panel{background:rgba(22,27,34,.86);backdrop-filter:blur(6px);
  border:1px solid var(--line);border-radius:12px;padding:14px 16px;width:236px}
.panel .lt{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;font-weight:600}
/* both legends share one fixed footprint so swapping them never moves the column */
#legend,#legend2{min-height:129px}
.bar{height:11px;border-radius:6px;background:linear-gradient(90deg,var(--fast),var(--mid),var(--slow))}
.bar.pct{background:linear-gradient(90deg,#155449,#146b58,#158468,#16a084,#17b8a6,#6fdec4,#c8f7e6)}
.bl{display:flex;justify-content:space-between;font-size:10.5px;color:var(--muted);margin-top:5px}
.lrow{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--muted);margin-top:9px}
.sw{width:13px;height:13px;border-radius:3px;flex:none}
#legend2{display:none} /* legend visibility is JS-driven (layer/timelapse/rank) */
#rank{display:none}
#rank.show{display:block}
#rank .rl{max-height:44vh;overflow:auto;margin:-2px -6px 0 0;padding-right:6px}
.ri{display:flex;align-items:center;gap:9px;font-size:12.5px;padding:4px 0;color:var(--ink)}
.ri .rk{width:15px;color:var(--muted);font-size:11px;text-align:right;font-variant-numeric:tabular-nums}
.ri .nm{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ri .vv{color:var(--muted);font-variant-numeric:tabular-nums}
.ri .c{width:11px;height:11px;border-radius:3px;flex:none}

.year{position:absolute;top:62px;right:30px;text-align:right;z-index:6;opacity:0;transition:opacity .3s}
.year.show{opacity:1}
.year .yy{font-family:Fraunces,serif;font-size:52px;font-weight:600;line-height:1;letter-spacing:-.02em}
.year .yc{font-size:12.5px;color:var(--muted);margin-top:4px}
.year .yc b{color:var(--accent)}
.foot{position:absolute;right:30px;top:108px;font-size:10.5px;color:#5a6470;text-align:right;z-index:5;line-height:1.5;transition:opacity .3s}
#app.showyear .foot{opacity:0;pointer-events:none}
.scrim{position:absolute;left:0;right:0;top:0;height:250px;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,14,18,.92) 0%,rgba(11,14,18,.62) 34%,rgba(11,14,18,0) 100%)}
.scrim.b{top:auto;bottom:0;height:150px;background:linear-gradient(0deg,rgba(11,14,18,.78) 0%,rgba(11,14,18,0) 100%)}

/* ── timelapse timeline (floating bar, width/position synced to #filters via JS) ── */
.tlfloat{display:none;position:absolute;z-index:7;
  align-items:center;gap:10px;
  background:rgba(22,27,34,.82);backdrop-filter:blur(8px);border:1px solid var(--line);
  border-radius:14px;padding:8px 14px;box-sizing:border-box}
#app.tl .tlfloat{display:flex}
#app.clean .tlfloat{display:none}
.tly{font-size:10.5px;color:#5c6572;font-variant-numeric:tabular-nums;flex:none}
.tlbar{position:relative;height:30px;flex:1;min-width:220px}
#yslider{-webkit-appearance:none;appearance:none;position:absolute;left:0;right:0;top:11px;width:100%;
  height:12px;margin:0;background:transparent;cursor:pointer}
#yslider::-webkit-slider-runnable-track{height:3px;border-radius:2px;background:#2a333f}
#yslider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:15px;height:15px;border-radius:50%;
  background:var(--accent);border:2px solid #04201d;margin-top:-6px;box-shadow:0 0 8px rgba(23,184,166,.55)}
#yslider::-moz-range-track{height:3px;border-radius:2px;background:#2a333f}
#yslider::-moz-range-thumb{width:13px;height:13px;border-radius:50%;background:var(--accent);border:2px solid #04201d}
/* event ticks: a ruler above the track — amber = country milestone */
.ticks{position:absolute;left:0;right:0;top:0;height:10px;pointer-events:none}
.tick{position:absolute;top:2px;width:2px;height:7px;margin-left:-1px;border-radius:1px;
  background:#39434f;pointer-events:auto;cursor:pointer;transition:background .15s,transform .15s;transform-origin:bottom}
.tick:hover{background:var(--muted);transform:scaleY(1.35) scaleX(1.6)}
.tick.ctry{background:#8a7332;height:9px;top:0}
.tick.done{background:#155449}
.tick.done.ctry{background:#6b5a28}
.tick.act{background:var(--accent);box-shadow:0 0 7px rgba(23,184,166,.8);transform:scaleY(1.35) scaleX(1.6)}
.btn.spd{flex:none;padding:5px 9px;font-size:11px;font-variant-numeric:tabular-nums}

/* ── event card ─────────────────────────────────────────────────── */
.ev{position:absolute;top:148px;right:30px;width:280px;z-index:6;
  background:rgba(22,27,34,.9);backdrop-filter:blur(6px);border:1px solid var(--line);
  border-left:3px solid var(--accent);border-radius:12px;padding:13px 15px;
  opacity:0;transform:translateY(-6px);transition:opacity .35s,transform .35s;pointer-events:none}
.ev.show{opacity:1;transform:none}
.ev .ek{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:4px}
.ev .ek.ctry{color:#e6b34a}
.ev h4{margin:0 0 4px;font-family:Fraunces,Georgia,serif;font-weight:600;font-size:16.5px;line-height:1.15}
.ev p{margin:0;font-size:12px;line-height:1.45;color:var(--muted)}
.ev .evb+.evb{margin-top:11px;padding-top:11px;border-top:1px solid var(--line)}
.ev.ctryb{border-left-color:#e6b34a}

/* ── country drill-down panel ───────────────────────────────────── */
.cpanel{position:absolute;top:62px;right:30px;width:320px;z-index:8;display:none;
  background:rgba(22,27,34,.92);backdrop-filter:blur(6px);border:1px solid var(--line);
  border-radius:12px;padding:14px 16px 12px}
.cpanel.show{display:block}
#app.tl .cpanel{top:150px}
#app.cp .ev{opacity:0 !important;pointer-events:none !important}
.cpx{position:absolute;top:8px;right:10px;background:none;border:0;color:var(--muted);
  font:inherit;font-size:17px;line-height:1;cursor:pointer;padding:4px}
.cpx:hover{color:var(--ink)}
.cpanel h3{margin:0 22px 4px 0;font-family:Fraunces,Georgia,serif;font-weight:600;font-size:19px}
.cpstats{font-size:11.5px;color:var(--muted);line-height:1.45;margin-bottom:8px}
.cpstats b{color:var(--ink)}
.cpread{font-size:11px;color:var(--muted);margin-bottom:3px;font-variant-numeric:tabular-nums;min-height:14px}
.cpread b{color:var(--ink)}
#cpchart{display:block;width:288px;height:150px}
.cpgrid{stroke:#232a33;stroke-width:1}
.cpaxis{fill:#5c6572;font-size:9px}
.cplegend{display:flex;gap:12px;margin-top:7px;font-size:10.5px;color:var(--muted);flex-wrap:wrap}
.cplegend i{display:inline-block;width:10px;height:3px;border-radius:2px;margin-right:5px;vertical-align:middle}
.cpev{margin-top:9px;border-top:1px solid var(--line);padding-top:7px;max-height:16vh;overflow:auto}
.cpev:empty{display:none}
.cpe{display:flex;gap:9px;font-size:11.5px;color:var(--ink);padding:2.5px 0}
.cpe span{color:#e6b34a;font-weight:600;font-variant-numeric:tabular-nums}

#cleanbtn{position:absolute;top:22px;right:24px;z-index:30;background:rgba(22,27,34,.7);border:1px solid var(--line);
  color:var(--muted);border-radius:8px;padding:7px 11px;font:inherit;font-size:11.5px;font-weight:500;cursor:pointer;
  opacity:.45;transition:opacity .2s,color .2s}
#cleanbtn:hover{opacity:1;color:var(--ink)}
#app.clean #cleanbtn{opacity:.28}
#app.clean #cleanbtn:hover{opacity:1}

.hint{position:absolute;left:50%;bottom:74px;transform:translateX(-50%);font-size:11.5px;color:#6b7480;z-index:5;opacity:0;transition:opacity .3s;pointer-events:none}
.hint.show{opacity:1}

.tip{position:absolute;pointer-events:none;z-index:40;background:rgba(17,21,28,.96);border:1px solid var(--line);
  border-radius:10px;padding:11px 13px;min-width:180px;opacity:0;transition:opacity .1s;box-shadow:0 12px 34px rgba(0,0,0,.5)}
.tip h3{margin:0 0 8px;font-size:14px;font-weight:600}
.tip .g{display:flex;justify-content:space-between;font-size:12px;margin:3px 0;color:var(--muted)}
.tip .g b{color:var(--ink);font-variant-numeric:tabular-nums}
.tip .big{font-size:12.5px;margin-top:7px;padding-top:7px;border-top:1px solid var(--line);color:var(--ink)}
.tip .big b{font-size:15px}
@media(max-width:820px){.hd{max-width:78vw}.rightcol .panel:not(.pctl),.cpanel{display:none !important}
  .controls{max-width:calc(58vw)}.controls,.rightcol{bottom:14px}.controls{left:14px}
  .rightcol{right:14px;width:auto}.pctl{padding:9px 11px}
  .grp .gl,.crow>.gl{display:none}h1{font-size:23px}
  .year .yy{font-size:38px}.ev{width:220px;top:118px}
}