.flash-toast-stack {
  position: fixed;
  top: calc(4.5rem + env(safe-area-inset-top, 0px));
  left: 50%;
  transform: translateX(-50%);
  z-index: 1080;
  width: min(28rem, calc(100% - 1.5rem));
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  pointer-events: none;
}

@media (max-width: 991.98px) {
  .flash-toast-stack {
    top: auto;
    bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
  }
}

.flash-toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-radius: 0.75rem;
  color: #fff;
  box-shadow: 0 0.75rem 1.75rem rgba(15, 23, 42, 0.28);
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(-0.75rem);
  animation: painelFlashToastIn 0.35s ease forwards;
}

.flash-toast.is-hiding {
  animation: painelFlashToastOut 0.28s ease forwards;
}

.flash-toast--success { background: linear-gradient(135deg, #2dce89, #24a46d); }
.flash-toast--error { background: linear-gradient(135deg, #f5365c, #c92a4a); }
.flash-toast--info { background: linear-gradient(135deg, #5e72e4, #4a5cc7); }

.flash-toast__icon {
  font-size: 1.15rem;
  line-height: 1;
  margin-top: 0.1rem;
}

.flash-toast__text {
  margin: 0;
  flex: 1 1 auto;
  font-size: 0.92rem;
  line-height: 1.35;
  font-weight: 600;
}

.flash-toast__close {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1.25rem;
  line-height: 1;
  padding: 0.1rem 0.25rem;
  opacity: 0.85;
  cursor: pointer;
}

.flash-toast__close:hover,
.flash-toast__close:focus {
  opacity: 1;
}

@keyframes painelFlashToastIn {
  from { opacity: 0; transform: translateY(-0.75rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes painelFlashToastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-0.5rem); }
}

@media (max-width: 991.98px) {
  @keyframes painelFlashToastIn {
    from { opacity: 0; transform: translateY(0.75rem); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes painelFlashToastOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(0.5rem); }
  }
}