/* ---------- toast ---------- */

#toastHost {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 30;
  pointer-events: none;
}
.toast {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 0.85rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: auto;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-error { border-color: var(--danger); color: var(--danger); }
.toast-warn { border-color: var(--accent-dim); color: var(--accent); }