#toast-stack {
  position: fixed;
  top: calc(60px + env(safe-area-inset-top));
  right: var(--space-md);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-info);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-sm) var(--space-md);
  min-width: 240px;
  max-width: 380px;
  animation: toast-in var(--transition-med);
}
.toast-success { border-left-color: var(--color-success); }
.toast-warning { border-left-color: var(--color-warning); }
.toast-danger  { border-left-color: var(--color-danger);  }
.toast-persistent {
  display: flex; align-items: flex-start; gap: var(--space-sm);
  max-width: 480px;
}
.toast-persistent .toast-text { flex: 1; white-space: pre-wrap; }
.toast-close {
  flex-shrink: 0;
  background: transparent; border: 0; cursor: pointer;
  color: var(--color-text-muted);
  font-size: 1rem; line-height: 1;
  padding: 2px 6px; border-radius: var(--radius-sm);
}
.toast-close:hover { color: var(--color-text); background: var(--color-surface-2, rgba(127,127,127,.15)); }
@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}