:root{
  --ink:#eaf6ff;
  --ink-dim:#9fb8c9;
  --glass:rgba(8,20,32,.42);
  --glass-strong:rgba(6,16,26,.62);
  --line:rgba(150,210,240,.16);
  --accent:#5fe1c4;
  --accent-2:#5db4ff;
  --shadow:0 18px 50px -18px rgba(0,0,0,.75);
  --r:16px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:#04121c;color:var(--ink);
  font-family:Manrope,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;overflow:hidden;
  text-rendering:optimizeLegibility;
}
#app{position:fixed;inset:0;overflow:hidden}
#scene{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}
#scene:active{cursor:grabbing}
.vignette{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 42%,transparent 45%,rgba(0,8,16,.55) 100%),
    linear-gradient(to bottom,rgba(0,10,20,.45),transparent 22%,transparent 74%,rgba(0,10,20,.55));
  transition:background .8s ease;
}
body.night .vignette{background:radial-gradient(120% 90% at 50% 42%,transparent 35%,rgba(0,4,12,.78) 100%)}
.grain{
  position:absolute;inset:0;pointer-events:none;opacity:.055;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}
.ui-hidden .topbar,.ui-hidden .caption,.ui-hidden .panel,.ui-hidden .hintbar,.ui-hidden .mobile-toggle{opacity:0;pointer-events:none;transform:translateY(-8px)}
.panel{transition:opacity .35s ease,transform .35s ease}

/* ---------- Loader ---------- */
.loader{
  position:absolute;inset:0;z-index:50;display:grid;place-content:center;justify-items:center;gap:14px;
  background:radial-gradient(circle at 50% 45%,#0b2739,#04121c 70%);
  transition:opacity .7s ease,visibility .7s;
}
.loader.is-done{opacity:0;visibility:hidden}
.loader__ring{
  width:74px;height:74px;border-radius:50%;display:grid;place-items:center;font-size:30px;
  border:1.5px solid rgba(95,225,196,.35);
  box-shadow:0 0 0 6px rgba(95,225,196,.06),inset 0 0 30px rgba(95,180,255,.25);
  animation:bob 2.4s ease-in-out infinite;
}
.loader__ring span{animation:swim 2.4s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-6px)}}
@keyframes swim{50%{transform:translateX(3px) rotate(-6deg)}}
.loader__title{font-weight:700;letter-spacing:-.01em;font-size:16px}
.loader__bar{width:190px;height:3px;border-radius:99px;background:rgba(255,255,255,.1);overflow:hidden}
.loader__bar i{display:block;height:100%;width:6%;background:linear-gradient(90deg,var(--accent-2),var(--accent));transition:width .4s ease;border-radius:99px}
.loader__hint{font-size:12.5px;color:var(--ink-dim);letter-spacing:.02em}

/* ---------- Topbar ---------- */
.topbar{
  position:absolute;top:0;left:0;right:0;z-index:10;
  display:flex;align-items:center;gap:18px;
  padding:18px clamp(16px,3vw,34px);
  transition:opacity .35s ease,transform .35s ease;
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand__mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;color:var(--accent);
  background:linear-gradient(150deg,rgba(95,225,196,.16),rgba(93,180,255,.1));
  border:1px solid rgba(95,225,196,.28);box-shadow:0 8px 24px -10px rgba(95,225,196,.6);
}
.brand__mark svg{width:22px;height:22px}
.brand__name{font-weight:800;font-size:17px;letter-spacing:-.02em;line-height:1.1}
.brand__sub{font-size:11px;color:var(--ink-dim);letter-spacing:.09em;text-transform:uppercase}
.stats{
  margin-left:auto;display:flex;gap:8px;
  background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:14px;padding:7px 8px;
}
.stat{padding:4px 12px;min-width:88px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat__k{display:block;font-size:10px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-dim)}
.stat b{font-size:14.5px;font-weight:700;letter-spacing:-.01em}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;cursor:pointer;
  background:var(--glass);border:1px solid var(--line);color:var(--ink);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:.2s;
}
.icon-btn:hover{background:var(--glass-strong);color:var(--accent)}
.icon-btn svg{width:19px;height:19px}

/* ---------- Caption ---------- */
.caption{
  position:absolute;left:clamp(16px,3vw,34px);top:clamp(92px,16vh,150px);z-index:9;max-width:min(430px,42vw);
  transition:opacity .45s ease,transform .45s ease;
}
.caption__eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);font-weight:700;margin-bottom:12px;
}
.caption__eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.7}
.caption__title{
  margin:0 0 12px;font-size:clamp(30px,4.6vw,54px);line-height:1.02;letter-spacing:-.035em;font-weight:800;
  text-shadow:0 8px 40px rgba(0,0,0,.55);
}
.caption__text{margin:0;color:#c5dbe8;font-size:14.5px;line-height:1.6;max-width:38ch;text-shadow:0 1px 12px rgba(0,0,0,.6)}
.caption.swap .caption__title{animation:riseIn .55s ease}
.caption.swap .caption__text{animation:riseIn .55s ease .06s both}
@keyframes riseIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- Panel ---------- */
.panel{
  position:absolute;right:clamp(14px,2.4vw,28px);top:50%;transform:translateY(-50%);z-index:11;
  width:266px;display:flex;flex-direction:column;gap:16px;
  padding:18px;border-radius:20px;
  background:var(--glass);backdrop-filter:blur(18px) saturate(1.15);-webkit-backdrop-filter:blur(18px) saturate(1.15);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.panel__group{display:flex;flex-direction:column;gap:9px}
.panel__label{font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-dim);font-weight:700}
.panel__label--inline{margin:0}
.panel__row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.pill{font-size:11.5px;color:var(--accent);font-weight:700;background:rgba(95,225,196,.1);border:1px solid rgba(95,225,196,.22);padding:2px 9px;border-radius:99px}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;background:rgba(0,0,0,.28);border:1px solid var(--line);border-radius:12px;padding:4px}
.seg--2{grid-template-columns:repeat(2,1fr)}
.seg__btn{
  font:inherit;font-size:12.5px;font-weight:650;color:var(--ink-dim);cursor:pointer;border:0;border-radius:9px;
  padding:8px 4px;background:transparent;transition:.18s;white-space:nowrap;
}
.seg__btn:hover{color:var(--ink)}
.seg__btn.is-active{background:linear-gradient(160deg,rgba(95,225,196,.22),rgba(93,180,255,.16));color:#eafffb;box-shadow:inset 0 0 0 1px rgba(95,225,196,.32)}
.range{
  -webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:99px;outline:none;
  background:linear-gradient(90deg,var(--accent) var(--fill,55%),rgba(255,255,255,.12) var(--fill,55%));
  cursor:pointer;
}
.range::-webkit-slider-thumb{
  -webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#eafffb;border:3px solid #0b2a38;
  box-shadow:0 0 0 1px rgba(95,225,196,.6),0 4px 10px rgba(0,0,0,.5);cursor:grab;
}
.range::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#eafffb;border:3px solid #0b2a38}
.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.action{
  display:flex;align-items:center;gap:8px;justify-content:flex-start;cursor:pointer;
  font:inherit;font-size:12.5px;font-weight:650;color:var(--ink);
  padding:9px 10px;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.04);
  transition:.18s;
}
.action svg{width:15px;height:15px;flex:none;opacity:.85}
.action:hover{background:rgba(95,225,196,.12);border-color:rgba(95,225,196,.34);transform:translateY(-1px)}
.action:active{transform:translateY(0) scale(.986)}
.action[aria-pressed="false"]{opacity:.5}
.action.is-flash{animation:flash .45s ease}
@keyframes flash{0%{box-shadow:0 0 0 0 rgba(95,225,196,.55)}100%{box-shadow:0 0 0 14px rgba(95,225,196,0)}}

/* ---------- Hint bar & toast ---------- */
.hintbar{
  position:absolute;left:50%;bottom:18px;transform:translateX(-50%);z-index:9;
  display:flex;gap:6px;flex-wrap:wrap;justify-content:center;
  padding:8px 10px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:opacity .35s ease,transform .35s ease;
}
.hintbar span{font-size:11.5px;color:var(--ink-dim);padding:2px 8px;border-right:1px solid var(--line);white-space:nowrap}
.hintbar span:last-child{border-right:0}
.hintbar b{color:var(--ink);font-weight:700}
.toast{
  position:absolute;left:50%;bottom:76px;transform:translate(-50%,14px);z-index:12;
  padding:9px 16px;border-radius:99px;font-size:12.5px;font-weight:650;
  background:rgba(6,20,30,.78);border:1px solid rgba(95,225,196,.3);color:#dffbf3;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;white-space:nowrap;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.mobile-toggle{
  position:absolute;right:14px;bottom:14px;z-index:13;display:none;place-items:center;
  width:46px;height:46px;border-radius:14px;cursor:pointer;color:var(--ink);
  background:var(--glass-strong);border:1px solid var(--line);backdrop-filter:blur(14px);
}
.mobile-toggle svg{width:20px;height:20px}

.nogl{position:absolute;inset:0;z-index:40;display:grid;place-items:center;background:#04121c;padding:24px}
.nogl__box{max-width:420px;text-align:center}
.nogl h2{margin:0 0 10px;font-size:20px}
.nogl p{margin:0;color:var(--ink-dim);font-size:14px;line-height:1.6}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .caption{max-width:min(420px,52vw)}
  .panel{width:240px;padding:15px;gap:13px}
}
@media (max-width:860px){
  .stats .stat:nth-child(3){display:none}
  .caption{top:88px;max-width:70vw}
  .caption__text{font-size:13.5px;max-width:34ch}
  .hintbar{display:none}
  .mobile-toggle{display:grid}
  .panel{
    top:auto;bottom:74px;right:12px;left:12px;width:auto;transform:none;
    flex-direction:row;flex-wrap:wrap;gap:12px;padding:14px;border-radius:18px;
    max-height:56vh;overflow:auto;
  }
  .panel__group{flex:1 1 128px;min-width:128px}
  .panel:not(.is-open){opacity:0;pointer-events:none;transform:translateY(12px)}
  .toast{bottom:138px}
}
@media (max-width:560px){
  .brand__sub{display:none}
  .stats{padding:5px 4px}
  .stat{min-width:64px;padding:3px 8px}
  .stat:nth-child(2){display:none}
  .caption{top:82px;max-width:88vw}
  .caption__text{display:none}
  .seg__btn{font-size:11.5px;padding:8px 2px}
  .action{font-size:11.5px;padding:8px 9px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}