.app-toast-host {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: var(--zindex-tooltip);
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(360px, calc(100vw - 24px));
  pointer-events: none;
}

.app-toast {
  position: relative;
  display: flex;
  align-items: stretch;
  min-height: 56px;
  border-radius: var(--radius-overlay);
  background: var(--color-overlay-bg);
  border: 1px solid var(--color-border-default);
  box-shadow: var(--shadow-overlay);
  color: var(--color-text-primary);
  overflow: hidden;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--duration-normal) var(--ease-standard), transform var(--duration-normal) var(--ease-standard);
}

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

.app-toast.is-leaving {
  opacity: 0;
  transform: translateY(-8px);
}

.app-toast::before {
  content: "";
  width: 4px;
  flex: 0 0 4px;
  background: var(--app-toast-accent, var(--color-info));
}

.app-toast--success {
  --app-toast-accent: var(--color-success);
}

.app-toast--error {
  --app-toast-accent: var(--color-danger);
}

.app-toast--info {
  --app-toast-accent: var(--color-info);
}

.app-toast--warning {
  --app-toast-accent: var(--color-warning);
}

.app-toast__body {
  flex: 1;
  padding: 12px 14px 12px 12px;
  min-width: 0;
}

.app-toast__title {
  margin: 0 0 2px;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
}

.app-toast__message {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--color-text-secondary);
  word-break: break-word;
}

.app-toast__close {
  flex: 0 0 auto;
  align-self: flex-start;
  margin: 8px 8px 0 0;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.app-toast__close:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.app-toast__close:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus-success-sm);
}

@media (max-width: 767.98px) {
  .app-toast-host {
    top: 12px;
    right: 12px;
    left: 12px;
    width: auto;
  }
}