:root{
  --bg:#0b0e13; --panel:rgba(12,15,21,.92); --ink:#e8ecf1; --mute:#a7b0bc; --line:rgba(255,255,255,.12);
  --focus:#ffd166; --accent:#ffa51f;
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink)}
#map{position:absolute;inset:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

#panel{position:absolute;top:12px;left:12px;width:320px;max-height:calc(100% - 64px);overflow:auto;
  background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px 12px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);font-size:13px;line-height:1.4}
h1{font-size:18px;margin:0 0 4px;letter-spacing:.01em}
h2{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--mute);margin:14px 0 6px;font-weight:600}
h2 span{text-transform:none;letter-spacing:0;color:var(--ink);font-weight:500}
.dek{margin:0 0 10px;color:var(--mute)}
fieldset{border:0;margin:0 0 8px;padding:0}
fieldset legend{font-size:12px;color:var(--mute);margin-bottom:4px}
fieldset label{display:inline-flex;align-items:center;gap:5px;margin-right:12px;cursor:pointer}

.slider{display:grid;grid-template-columns:auto 1fr;gap:4px 8px;align-items:center;margin:6px 0 8px}
.slider label{font-size:12px;color:var(--mute)}
.slider input{grid-column:1 / -1;width:100%;accent-color:var(--accent)}
.slider output{grid-column:1 / -1;font-weight:600}

.legend{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:2px}
.legend button{all:unset;display:flex;align-items:center;gap:8px;width:100%;padding:3px 6px;border-radius:6px;cursor:pointer;color:var(--ink)}
.legend button:hover{background:rgba(255,255,255,.06)}
.legend button[aria-pressed="true"]{background:rgba(255,255,255,.12)}
.legend .sw{width:12px;height:12px;border-radius:3px;flex:none;border:1px solid rgba(0,0,0,.4)}
.legend .ct{margin-left:auto;color:var(--mute);font-variant-numeric:tabular-nums}
.legend.filtered button:not([aria-pressed="true"]){opacity:.45}

button.ghost{all:unset;cursor:pointer;color:var(--mute);font-size:12px;margin-top:6px;padding:2px 6px;border-radius:6px}
button.ghost:hover{color:var(--ink)}

#hubs{margin:0;padding:0 0 0 20px}
#hubs li{margin:0 0 3px}
#hubs button{all:unset;cursor:pointer;display:flex;gap:6px;width:100%;padding:2px 4px;border-radius:5px}
#hubs button:hover{background:rgba(255,255,255,.06)}
#hubs .v{margin-left:auto;color:var(--mute);font-variant-numeric:tabular-nums;white-space:nowrap}
#hubs .go{color:var(--accent);font-size:11px;white-space:nowrap}

.about{margin-top:12px;border-top:1px solid var(--line);padding-top:8px;color:var(--mute)}
.about summary{cursor:pointer;color:var(--ink)}
.about p{margin:6px 0 0}

#tr{position:absolute;right:12px;top:12px;display:flex;flex-direction:column;align-items:flex-end;gap:6px;max-width:300px}
#scale{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:12px;color:var(--mute);max-width:280px}
#back{background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font:inherit;font-size:12px;cursor:pointer}
#honesty{position:absolute;left:50%;transform:translateX(-50%);bottom:30px;margin:0;max-width:min(920px,calc(100% - 24px));
  background:rgba(12,15,21,.88);border:1px solid var(--line);border-radius:8px;padding:6px 12px;font-size:12px;color:var(--ink);text-align:center}
#tip{position:absolute;pointer-events:none;background:#0f131a;color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:6px 8px;font-size:12px;line-height:1.35;max-width:300px;z-index:5;white-space:pre-line}

.maplibregl-popup-content{background:#0f131a;color:var(--ink);border:1px solid var(--line);border-radius:8px;font:13px/1.4 inherit;padding:10px 12px}
.maplibregl-popup-tip{border-top-color:#0f131a !important;border-bottom-color:#0f131a !important}
.maplibregl-popup-close-button{color:var(--mute);font-size:16px}
.pop h3{margin:0 0 2px;font-size:14px}
.pop .sub{color:var(--mute);font-size:12px;margin-bottom:6px}
.mix{display:flex;height:10px;border-radius:3px;overflow:hidden;margin:6px 0 4px;background:#222}
.mix i{display:block;height:100%}
.pop ul{list-style:none;margin:4px 0 8px;padding:0;font-size:12px}
.pop li{display:flex;gap:6px;align-items:center}
.pop li .v{margin-left:auto;color:var(--mute);font-variant-numeric:tabular-nums}
.pop button{font:inherit;font-size:12px;background:var(--accent);color:#111;border:0;border-radius:6px;padding:5px 9px;cursor:pointer}
.maplibregl-ctrl-attrib{font-size:11px}

:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.legend button:focus-visible,#hubs button:focus-visible,button.ghost:focus-visible{outline:2px solid var(--focus)}

/* signature pinned to the bottom of the panel, visible without scrolling */
#panel .sig{position:sticky;bottom:-12px;margin:10px -16px -12px;padding:8px 16px 10px;background:linear-gradient(rgba(12,15,21,0),rgba(12,15,21,.98) 30%);}
.titlebar{display:flex;align-items:center;gap:8px}
.titlebar h1{flex:1}
.sheet-toggle{display:none}

/* phones: the panel is a bottom sheet; collapsed it shows the title, the operator slider and the signature */
@media (max-width:720px){
  #panel{z-index:5;top:auto;left:0;right:0;bottom:0;width:auto;max-height:74vh;border-radius:14px 14px 0 0;padding:10px 14px 8px;border-bottom:0;
    box-shadow:0 -6px 24px rgba(0,0,0,.45)}
  #panel::before{content:'';display:block;width:38px;height:4px;border-radius:2px;background:rgba(255,255,255,.25);margin:-2px auto 8px}
  #panel:not(.open) #more{display:none}
  #panel:not(.open) .dek{display:none}
  #panel:not(.open) .slider{margin-bottom:2px}
  #panel .sig{position:static;margin:6px 0 0;padding:0;background:none}
  .sheet-toggle{display:inline-block;font:inherit;font-size:12px;color:var(--ink);background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:14px;padding:3px 10px;cursor:pointer}
  h1{font-size:16px}
  #scale{display:none}
  #honesty{top:8px;bottom:auto;left:8px;right:8px;max-width:none;transform:none;font-size:10.5px;padding:5px 9px;text-align:left}
  #tr{top:auto;bottom:calc(var(--sheet-h,150px) + 10px);right:8px}
  .maplibregl-ctrl-bottom-right{bottom:var(--sheet-h,150px)}
  .maplibregl-ctrl-bottom-right .maplibregl-ctrl-group{display:none}
}

.ticks{grid-column:1 / -1;position:relative;height:26px;margin-top:-2px;font-size:9.5px;color:var(--mute)}
.ticks span{position:absolute;transform:translateX(-50%);white-space:nowrap;cursor:pointer;line-height:1}
.ticks span.hi{top:0}.ticks span.lo{top:13px}
.ticks span.on{color:var(--ink);font-weight:700}
.ticks span::before{content:'';position:absolute;left:50%;top:-4px;width:1px;height:3px;background:var(--mute)}
.ticks span.lo::before{top:-17px;height:16px;opacity:.35}
.switch{display:flex;align-items:center;gap:6px;margin:2px 0 8px;cursor:pointer}
.switch small{color:var(--mute)}
#scale.alt{color:var(--ink);border-color:var(--accent)}
.sig{margin:10px 0 0;font-size:11px;color:var(--mute)}
.sig a{color:var(--ink)}