/* World information expands from the left with each open aperture.
   The panel is below caption/logo layers; no event interception or layout shifts. */
#world-info-panel.world-info-panel{
  position:fixed;
  z-index:400;
  top:clamp(148px,18vh,230px);
  left:0;
  width:min(400px,33vw);
  max-height:calc(100dvh - 300px);
  overflow:hidden;
  pointer-events:none;
  padding:22px 24px 22px clamp(20px,3.7vw,62px);
  color:#e8e5df;
  background:linear-gradient(100deg,rgba(11,11,11,.88) 0%,rgba(13,13,13,.67) 75%,rgba(13,13,13,.24) 100%);
  border-left:2px solid rgba(218,165,79,.78);
  box-shadow:0 15px 60px rgba(0,0,0,.25),inset 0 1px 0 rgba(236,215,177,.12);
  backdrop-filter:blur(9px);
  -webkit-backdrop-filter:blur(9px);
  opacity:0;
  visibility:hidden;
  clip-path:inset(0 100% 0 0);
  transform:translateX(-24px);
  transform-origin:left center;
  transition:clip-path .72s cubic-bezier(.16,1,.3,1),opacity .47s ease,transform .72s cubic-bezier(.16,1,.3,1),visibility 0s linear .72s;
  font-family:Arial,Helvetica,sans-serif;
}
#world-info-panel.world-info-panel.is-open{
  opacity:1;
  visibility:visible;
  clip-path:inset(0 0 0 0);
  transform:translateX(0);
  transition:clip-path .74s cubic-bezier(.16,1,.3,1),opacity .47s ease,transform .74s cubic-bezier(.16,1,.3,1),visibility 0s;
}
.world-panel-rail{font:600 10px/1.5 Consolas,monospace;letter-spacing:.18em;color:#d3a65a;display:flex;align-items:center;gap:8px;text-transform:uppercase}
.world-panel-signal{width:5px;height:5px;border-radius:50%;background:#dca454;box-shadow:0 0 14px #dca454;animation:air-signal 2.1s ease-in-out infinite}
.world-panel-index{position:absolute;right:19px;top:24px;font:11px Consolas,monospace;letter-spacing:.06em;color:#87888b}
.world-panel-rule{height:1px;width:100%;margin:16px 0 20px;background:linear-gradient(to right,#d0a25d70,#74767730,transparent)}
#world-panel-title{font:600 clamp(21px,2vw,31px)/1.04 Arial,Helvetica,sans-serif;letter-spacing:-.025em;margin:0 0 16px;background:linear-gradient(110deg,#999da1,#f0efe8 43%,#c7954c);background-clip:text;-webkit-background-clip:text;color:#f0efe8;-webkit-text-fill-color:transparent}
#world-panel-description{color:#d3d0c9;font:400 clamp(12px,1vw,15px)/1.65 Arial,Helvetica,sans-serif;letter-spacing:.008em;margin:0 0 19px;text-wrap:pretty}
.world-panel-tags{display:flex;flex-wrap:wrap;gap:7px}
.world-panel-tag{display:inline-block;font:600 9px/1.25 Consolas,monospace;letter-spacing:.085em;color:#d7ad6d;background:rgba(60,45,23,.35);padding:6px 8px;border:1px solid rgba(190,139,68,.24)}
.world-panel-foot{font:500 9px/1.4 Consolas,monospace;letter-spacing:.15em;color:#747477;margin-top:24px;opacity:.82}
@keyframes air-signal{50%{opacity:.38;box-shadow:0 0 4px #dca454}100%{opacity:1;box-shadow:0 0 14px #dca454}}
@media(max-width:900px){
 #world-info-panel.world-info-panel{top:clamp(115px,15vh,185px);width:min(350px,47vw);max-height:calc(100dvh - 245px);padding:17px 15px 17px 22px}
 #world-panel-title{font-size:clamp(20px,2.7vw,25px);margin-bottom:12px}
 #world-panel-description{font-size:12px;line-height:1.48;margin-bottom:13px}
 .world-panel-foot{display:none}
}
@media(max-width:620px){
 #world-info-panel.world-info-panel{top:clamp(100px,17vh,160px);width:min(290px,73vw);max-height:calc(100dvh - 255px);padding:14px 14px 15px 18px}
 #world-panel-title{font-size:20px}
 #world-panel-description{font-size:11px;line-height:1.45}
 .world-panel-rule{margin:10px 0 12px}
 .world-panel-tags{gap:5px}
 .world-panel-tag{font-size:8px;padding:4px 5px}
 .world-panel-rail{font-size:8px}
 .world-panel-index{top:15px;right:12px;font-size:9px}
}
@media(max-height:650px){
 #world-info-panel.world-info-panel{top:115px;max-height:calc(100dvh - 180px)}
 .world-panel-foot{display:none}
 .world-panel-rule{margin:9px 0 11px}
}
@media(prefers-reduced-motion:reduce){
 #world-info-panel.world-info-panel{transition:opacity .15s linear,visibility .15s linear;transform:none}
 .world-panel-signal{animation:none}
}