.stage{
  position: relative;
  overflow: hidden;
  padding: 0;
  height: min(70vh, 620px);
  border-radius: 18px;
}

#c{
  width: 100%;
  height: 100%;
  display:block;
  background:
    radial-gradient(900px 500px at 20% 20%, rgba(255,255,255,.06), transparent 55%),
    radial-gradient(900px 500px at 80% 20%, rgba(120,170,255,.10), transparent 60%),
    radial-gradient(700px 500px at 50% 90%, rgba(255,255,255,.04), transparent 55%),
    rgba(255,255,255,.02);
}

.hud{
  position:absolute;
  right: 14px;
  top: 14px;
  width: min(230px, 55vw);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 16px 40px rgba(0,0,0,.45);
}

.hud-title{
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(255,255,255,.7);
  margin-bottom: 10px;
}

.hud-line{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  padding: 6px 0;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.hud-line:first-of-type{ border-top: none; }

.hud-line b{
  color: rgba(255,255,255,.92);
  font-variant-numeric: tabular-nums;
}

.hud-btn{
  margin-top: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.95);
  cursor: pointer;
}
.hud-btn:hover{ background: rgba(255,255,255,.10); }

@media (max-width: 860px){
  .hud{ right: 10px; top: 10px; }
}
.stage{
  position: relative;
  overflow: hidden;
  padding: 0;
  height: min(70vh, 620px);
  border-radius: 18px;
}

#c{
  width: 100%;
  height: 100%;
  display:block;
  background:
    radial-gradient(900px 500px at 20% 20%, rgba(255,255,255,.06), transparent 55%),
    radial-gradient(900px 500px at 80% 20%, rgba(120,170,255,.10), transparent 60%),
    radial-gradient(700px 500px at 50% 90%, rgba(255,255,255,.04), transparent 55%),
    rgba(255,255,255,.02);
}

.hud{
  position:absolute;
  right: 14px;
  top: 14px;
  width: min(230px, 55vw);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 16px 40px rgba(0,0,0,.45);
}

.hud-title{
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(255,255,255,.7);
  margin-bottom: 10px;
}

.hud-line{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  padding: 6px 0;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.hud-line:first-of-type{ border-top: none; }

.hud-line b{
  color: rgba(255,255,255,.92);
  font-variant-numeric: tabular-nums;
}

.hud-btn{
  margin-top: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.95);
  cursor: pointer;
}
.hud-btn:hover{ background: rgba(255,255,255,.10); }

@media (max-width: 860px){
  .hud{ right: 10px; top: 10px; }
}