/* Toast — design.md §15. Bottom-center mobile / bottom-right desktop,
   shadow.lg, auto-dismiss 4s, slide+fade 250ms. */

.toast-region {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

@media (min-width: 1024px) {
  .toast-region {
    left: auto;
    right: var(--space-6);
    transform: none;
    align-items: flex-end;
  }
}

.toast {
  pointer-events: auto;
  background: var(--color-neutral-900);
  color: var(--color-neutral-100);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--type-caption-size);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 250ms var(--easing-entrance), transform 250ms var(--easing-entrance);
  max-width: min(90vw, 380px);
}

.toast--visible {
  opacity: 1;
  transform: none;
}

.toast--success { border-left: 2px solid var(--color-success); }
.toast--error   { border-left: 2px solid var(--color-error); }