/**
 * <Toast> — transient notification, top-right stack.
 *
 * Mounted by `toast()` in toast.js. Variants: --success | --error | --info.
 * The host stack container is created on first call.
 */

.c-toast-stack {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: calc(100vw - 2 * var(--space-5));
  pointer-events: none;
}

.c-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  min-width: 220px;
  max-width: 320px;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-primary);
  border: 0.5px solid var(--border-tertiary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-small);
  color: var(--text-primary);
  cursor: pointer;
  pointer-events: auto;
  transform: translateY(-4px);
  opacity: 0;
  transition: opacity 160ms ease, transform 160ms ease;
}

.c-toast[data-state="visible"] {
  opacity: 1;
  transform: translateY(0);
}

.c-toast[data-state="leaving"] {
  opacity: 0;
  transform: translateY(-4px);
}

.c-toast--success {
  border-color: var(--success-text);
  background: var(--success-bg);
  color: var(--success-text);
}

.c-toast--error {
  border-color: var(--danger-border);
  background: var(--danger-bg);
  color: var(--danger-text);
}

.c-toast--info {
  border-color: var(--info-border);
  background: var(--info-bg);
  color: var(--info-text);
}

.c-toast__message {
  flex: 1 1 auto;
}

.c-toast__close {
  flex: 0 0 auto;
  margin: -2px -4px -2px 0;
  padding: 0 var(--space-1);
  background: transparent;
  border: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.c-toast__close:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  .c-toast {
    transition: none;
    transform: none;
  }
}