.toast-region {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: calc(100% - 36px);
  max-width: 440px;
  pointer-events: none;
}

.toast-item {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  background: var(--graphite);
  color: var(--carbon);
  border: 1px solid var(--twilight);
  box-shadow: inset 0 0 0 1px var(--halo-line), 0 20px 50px rgba(0,0,0,0.6);
  padding: 16px 20px;
  border-radius: var(--r-card);
  font-size: 14px;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.toast-item.is-visible { opacity: 1; transform: translateY(0); }
.toast-item::before {
  content: "";
  flex-shrink: 0;
  width: 19px; height: 19px;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--iris);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none' stroke='%230A0A13' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 6.5 5 9l4.5-5.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}