.signup-bonus-toast-stack {
  position: fixed;
  top: calc(5.4rem + env(safe-area-inset-top, 0px));
  left: 50%;
  z-index: 12000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  transform: translateX(-50%);
  pointer-events: none;
}

.signup-bonus-toast {
  position: relative;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.95rem;
  width: min(25rem, calc(100vw - 1.5rem));
  padding: 1.05rem 0.95rem 1.15rem 1rem;
  overflow: hidden;
  isolation: isolate;
  border: 1.5px solid #dd0000;
  border-radius: 0.75rem;
  background:
    radial-gradient(circle at 0% 50%, rgba(255, 204, 0, 0.12), transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(221, 0, 0, 0.18), transparent 50%),
    linear-gradient(135deg, #141414 0%, #0a0a0a 100%);
  box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(221, 0, 0, 0.25);
  opacity: 0;
  transform: translateY(-1.4rem) scale(0.94);
  transition:
    opacity 0.35s ease,
    transform 0.45s cubic-bezier(0.22, 1.25, 0.36, 1);
}

.signup-bonus-toast.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.signup-bonus-toast.is-leaving {
  opacity: 0;
  transform: translateY(-1rem) scale(0.96);
  transition-duration: 0.25s;
}

.signup-bonus-toast__icon-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 0.65rem;
  background: #111;
  border: 1px solid rgba(255, 204, 0, 0.4);
  box-shadow: inset 0 0 0 1px rgba(221, 0, 0, 0.2);
}

.signup-bonus-toast__icon {
  --coin-size: 2.15rem;
  position: relative;
}

.signup-bonus-toast__stein {
  width: 2.35rem;
  height: 2.35rem;
}

.signup-bonus-toast__content {
  flex: 1;
  min-width: 0;
}

.signup-bonus-toast__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.3rem;
  color: #ffcc00;
  font: 700 0.56rem/1 system-ui, sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.signup-bonus-toast__tag::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: #dd0000;
  box-shadow: 0 0 0.35rem rgba(221, 0, 0, 0.7);
}

.signup-bonus-toast__title {
  margin: 0 0 0.25rem;
  color: #fff;
  font: 800 0.98rem/1.2 system-ui, sans-serif;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.signup-bonus-toast__message {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font: 500 0.84rem/1.35 system-ui, sans-serif;
}

.signup-bonus-toast__close {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  align-self: flex-start;
  width: 1.9rem;
  height: 1.9rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.signup-bonus-toast__close:hover {
  background: #dd0000;
  border-color: #dd0000;
  color: #fff;
}

.signup-bonus-toast__close .material-symbols-outlined {
  font-size: 1.05rem;
}

.signup-bonus-toast__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, #dd0000, #ffcc00);
  transform-origin: left center;
  animation: signup-bonus-progress var(--toast-duration, 8000ms) linear forwards;
}

@keyframes signup-bonus-progress {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

@media (max-width: 760px) {
  .signup-bonus-toast-stack {
    top: calc(6.1rem + env(safe-area-inset-top, 0px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .signup-bonus-toast {
    transition: none;
    animation: none !important;
  }
}