/* toast notification stack */

.toast-stack {
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-xs);
  max-width: min(100% - 2rem, 22rem);
  pointer-events: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-toast);
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  display: flex;
  font-size: var(--text-xs);
  gap: var(--space-xs);
  opacity: 0;
  padding: var(--space-xs) var(--space-sm);
  pointer-events: auto;
  transform: translateY(var(--space-sm));
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.toast--success { border-left: 3px solid var(--vibrance-success); }
.toast--warning { border-left: 3px solid var(--vibrance-warning); }
.toast--error   { border-left: 3px solid var(--vibrance-danger); }
.toast--info    { border-left: 3px solid var(--neutral-400); }

.toast__close {
  background: none;
  border: 0;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  line-height: 1;
  margin-inline-start: auto;
  padding: 0;
}