:root{
  --abyss-0:#02060c;
  --abyss-1:#04111d;
  --abyss-2:#07222f;
  --abyss-3:#0b3138;
  --pelagic:#1b7f8c;
  --pelagic-dim:#2c5a63;
  --amber:#d98a2b;
  --amber-soft:#f0b45e;
  --ink:#e8f1f2;
  --ink-dim:#9fb6ba;
  --hair:rgba(196,222,226,.16);
  --hair-strong:rgba(196,222,226,.32);
  --panel:rgba(5,20,28,.62);
  --serif:"Iowan Old Style","Palatino Linotype","Songti SC","Noto Serif CJK SC",Georgia,serif;
  --sans:"Manrope","Helvetica Neue","PingFang SC","Hiragino Sans GB",Arial,sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--abyss-0);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow:hidden}
body{position:relative}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul{list-style:none}

.frame{position:relative;width:100vw;height:100vh;display:flex;flex-direction:column;z-index:2}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:18px 28px 10px}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{width:26px;height:26px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%, #2f93a3 0%, #0d2c34 58%, #04121a 100%);
  box-shadow:inset 0 0 0 1px rgba(217,138,43,.55), 0 0 14px rgba(27,127,140,.35)}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-family:var(--serif);font-size:19px;letter-spacing:.3em}
.brand__sub{font-size:8.5px;letter-spacing:.28em;color:var(--ink-dim);text-transform:uppercase}
.topbar__meta{display:flex;align-items:center;gap:20px}
.lbl{font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-dim)}
.topbar__lang{display:flex;border:1px solid var(--hair);border-radius:999px;overflow:hidden}
.langbtn{padding:6px 13px;font-size:10.5px;letter-spacing:.14em;color:var(--ink-dim);transition:all .25s}
.langbtn--alt{border-left:1px solid var(--hair);border-radius:0}
.langbtn[aria-pressed="true"],.langbtn.active{background:rgba(217,138,43,.16);color:var(--amber-soft)}

.stage{position:relative;flex:1;min-height:0}
#scene{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}

.rail{position:absolute;top:96px;bottom:74px;width:118px;padding:0 18px;display:flex;flex-direction:column;pointer-events:none}
.rail--left{left:14px;border-left:1px solid var(--hair)}
.rail--right{right:14px;border-right:1px solid var(--hair);align-items:flex-end;text-align:right}
.rail__cap{font-size:8.5px;letter-spacing:.3em;color:var(--ink-dim);text-transform:uppercase;padding:6px 0 12px}
.rail__note{margin-top:auto;font-size:9px;letter-spacing:.1em;color:var(--ink-dim);line-height:1.6;padding-bottom:6px}
.depthscale{flex:1;display:flex;flex-direction:column;justify-content:space-between;padding:2px 0}
.depthscale li{position:relative;padding-left:14px;font-family:var(--mono);font-size:9.5px;color:var(--ink-dim);letter-spacing:.06em}
.depthscale li::before{content:"";position:absolute;left:0;top:50%;width:7px;height:1px;background:var(--hair-strong)}
.depthscale li.major{color:var(--amber-soft)}
.depthscale li.major::before{width:12px;background:rgba(217,138,43,.6)}
.depthscale li span{display:block;font-size:7.5px;letter-spacing:.14em;color:rgba(159,182,186,.5)}
.presslog{flex:1;display:flex;flex-direction:column;justify-content:space-around;gap:4px}
.presslog div{font-family:var(--mono);font-size:9px;color:var(--ink-dim);letter-spacing:.04em;white-space:nowrap}
.presslog b{font-weight:400;color:var(--pelagic);font-size:8px}

.panel{position:absolute;pointer-events:none;background:var(--panel);border:1px solid var(--hair);
  backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);padding:16px 20px}
.panel--title{left:152px;top:92px;max-width:330px}
.eyebrow{display:flex;align-items:baseline;gap:10px;font-size:9px;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-dim);margin-bottom:9px}
.eyebrow__id{font-family:var(--mono);color:var(--amber);letter-spacing:.1em}
.title{font-family:var(--serif);font-size:44px;font-weight:400;letter-spacing:.045em;line-height:1;
  background:linear-gradient(178deg,#f2f8f9 12%, #9fc4ca 88%);-webkit-background-clip:text;background-clip:text;color:transparent}
.subtitle{margin-top:9px;font-size:12px;color:var(--ink-dim);letter-spacing:.05em;line-height:1.55}
.title__rule{height:1px;margin:14px 0 12px;background:linear-gradient(90deg,rgba(217,138,43,.7),rgba(217,138,43,0))}
.title__stats{display:flex;gap:24px}
.title__stats div{display:flex;flex-direction:column;gap:3px}
.stat__num{font-family:var(--serif);font-size:21px;color:var(--ink)}
.stat__num small{font-size:10px;color:var(--amber-soft);margin-left:2px;font-family:var(--sans)}
.stat__lbl{font-size:8.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-dim)}

.panel--legend{right:152px;top:92px;width:262px}
.legend__head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}
.legend__count{font-family:var(--mono);font-size:9px;color:var(--amber)}
.legend__list{display:flex;flex-direction:column;gap:1px}
.legend__list li{display:grid;grid-template-columns:26px 1fr;gap:9px;align-items:baseline;padding:5px 4px;
  border-bottom:1px solid rgba(196,222,226,.07);transition:background .3s, opacity .3s}
.legend__list li:hover{background:rgba(27,127,140,.09)}
.legend__idx{font-family:var(--mono);font-size:9px;color:var(--pelagic);letter-spacing:.06em}
.legend__name{font-size:11px;color:var(--ink);letter-spacing:.04em;line-height:1.35}
.legend__name small{display:block;font-size:8.5px;color:var(--ink-dim);letter-spacing:.1em;margin-top:1px}
.legend__hint{margin-top:10px;font-size:9.5px;color:var(--ink-dim);letter-spacing:.05em;line-height:1.5}
.legend__state{display:inline-block;margin-left:6px;font-family:var(--mono);font-size:8.5px;color:var(--amber);opacity:0;transition:opacity .3s}
body[data-view="exploded"] .legend__state{opacity:1}

.toolbar{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);display:flex;align-items:center;gap:10px;
  background:var(--panel);border:1px solid var(--hair);border-radius:999px;padding:8px 10px;
  backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);pointer-events:auto;z-index:5}
.toolbtn{display:flex;align-items:center;gap:8px;padding:9px 17px;border-radius:999px;font-size:11px;
  letter-spacing:.16em;color:var(--ink);border:1px solid transparent;transition:all .28s;text-transform:uppercase}
.toolbtn__ic{width:14px;height:14px;position:relative;flex:none}
.toolbtn__ic::before,.toolbtn__ic::after{content:"";position:absolute;inset:0;box-sizing:border-box}
.toolbtn__ic::before{border:1px solid currentColor;border-radius:50%}
.toolbtn__ic::after{width:5px;height:5px;border-radius:50%;background:currentColor;top:4.5px;left:4.5px;inset:auto}
.toolbtn__ic--reset::before{border-radius:2px;border-width:0;border-left:1.5px solid currentColor;border-top:1.5px solid currentColor;
  transform:rotate(-45deg) scale(.85);transform-origin:center}
.toolbtn__ic--reset::after{width:9px;height:9px;border-radius:50%;background:none;border:1px solid currentColor;border-top-color:transparent;top:2px;left:2px;transform:rotate(45deg)}
.toolbtn__ic--lamp::before{background:none;border:1px solid currentColor;transform:scale(.6) translateY(-2px);border-radius:2px}
.toolbtn__ic--lamp::after{width:2px;height:4px;background:currentColor;top:10px;left:6px;border-radius:0}
.toolbtn:hover{background:rgba(27,127,140,.14);border-color:var(--hair-strong)}
.toolbtn--ghost{color:var(--ink-dim)}
.toolbtn[aria-pressed="true"]{background:rgba(217,138,43,.18);border-color:rgba(217,138,43,.5);color:var(--amber-soft)}
.toolbar__hint{font-size:9px;letter-spacing:.16em;color:var(--ink-dim);padding:0 12px;border-left:1px solid var(--hair);text-transform:uppercase}

.bottomline{position:absolute;left:50%;bottom:78px;transform:translateX(-50%);display:flex;align-items:center;gap:14px;
  font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-dim);pointer-events:none;white-space:nowrap}
.bottomline__sep{width:34px;height:1px;background:var(--hair-strong)}

.vignette{position:fixed;inset:0;pointer-events:none;z-index:1;
  background:radial-gradient(ellipse 78% 68% at 50% 44%, rgba(0,0,0,0) 42%, rgba(1,5,9,.55) 100%)}

/* governor: compressed chrome while exploded */
body[data-view="exploded"] .panel--title{opacity:.42;transform:translateY(-6px)}
body[data-view="exploded"] .rail{opacity:.4}
body[data-view="exploded"] .bottomline{opacity:.35}
body[data-view="exploded"] .panel--legend{background:rgba(5,20,28,.78)}

@media (max-width:1080px){
  .rail{width:88px;padding:0 12px}
  .panel--title{left:118px;max-width:290px;padding:13px 16px}
  .panel--legend{right:118px;width:240px}
  .title{font-size:36px}
}
@media (max-width:760px){
  .topbar{padding:12px 14px 6px}
  .brand__sub{display:none}
  .topbar__meta{gap:10px}
  .lbl{display:none}
  .rail{display:none}
  .panel{position:static;pointer-events:auto;background:none;border:none;backdrop-filter:none;padding:0}
  .stage{display:flex;flex-direction:column}
  #scene{position:absolute;inset:0}
  .panel--title{order:2;margin:0 16px;padding:8px 4px 0;text-align:left;max-width:none}
  .eyebrow{margin-bottom:4px}
  .title{font-size:30px}
  .subtitle{display:none}
  .title__rule{margin:8px 0}
  .title__stats{gap:18px}
  .stat__num{font-size:16px}
  .panel--legend{order:3;margin:6px 16px 0;padding:6px 0 0;border-top:1px solid var(--hair);width:auto}
  .legend__head{margin-bottom:4px}
  .legend__list{flex-direction:row;flex-wrap:wrap;gap:0 14px}
  .legend__list li{grid-template-columns:18px 1fr;padding:3px 0;border-bottom:none}
  .legend__name{font-size:9.5px}
  .legend__name small{display:none}
  .legend__hint{display:none}
  .toolbar{bottom:12px;left:12px;right:12px;transform:none;justify-content:space-between;border-radius:16px;padding:7px 8px;flex-wrap:wrap}
  .toolbtn{padding:8px 10px;font-size:9.5px;letter-spacing:.1em}
  .toolbar__hint{display:none}
  .bottomline{display:none}
  .vignette{background:radial-gradient(ellipse 90% 60% at 50% 38%, rgba(0,0,0,0) 55%, rgba(1,5,9,.6) 100%)}
}

@media (prefers-reduced-motion: reduce){
  .depthscale li,.presslog div,.brand__mark{animation:none!important}
  .panel,.rail,.bottomline,.toolbtn{transition-duration:.01ms!important}
}