:root {
  --toast-width: var(--size-400);
  --toast-padding: var(--space-4);
  --toast-gap: var(--space-3);
  --toast-content-gap: var(--space-1);
  --toast-border: var(--control-border-width) solid var(--color-border);
  --toast-radius: var(--radius-8);
  --toast-shadow-color: var(--color-shadow);
  --toast-shadow: 0 var(--space-2) var(--space-6) var(--toast-shadow-color);
  --toast-title-font: var(--font-type-title);
  --toast-body-font: var(--font-type-body-small);
  --toast-action-font: var(--font-type-label-small-strong);
  --toast-action-background: var(--color-clear);
  --toast-focus-outline: var(--focus-width) solid var(--color-focus-ring);
  --toast-close-size: var(--size-32);
  --toast-stack-gap: var(--space-2);
  --toast-viewport-inset: var(--space-6);
  --toast-mobile-inset: var(--space-4);
  --toast-layer: var(--layer-notifications);
  --toast-announcer-size: var(--space-0-25);
  --toast-enter-animation: toast-drop-in var(--duration-200) var(--ease-out) both;
  --toast-enter-transform: translateY(calc(-1 * var(--space-6)));
  --toast-enter-opacity: var(--opacity-0);
  --toast-visible-opacity: var(--opacity-100);
}

.toast {
  box-sizing: border-box;
  display: flex;
  align-items: flex-start;
  gap: var(--toast-gap);
  inline-size: var(--toast-width);
  max-inline-size: 100%;
  padding: var(--toast-padding);
  border: var(--toast-border);
  border-radius: var(--toast-radius);
  background: var(--color-popover);
  color: var(--color-popover-foreground);
  box-shadow: var(--toast-shadow);
  flex: none;
}

.toast[hidden] { display: none; }
.toast__icon { display: block; flex: none; }
.toast__content { display: grid; gap: var(--toast-content-gap); flex: 1; min-inline-size: 0; overflow-wrap: anywhere; }
.toast__title { margin: 0; font: var(--toast-title-font); }
.toast__description { margin: 0; font: var(--toast-body-font); color: var(--color-muted-foreground); }
.toast__dismiss {
  --control-target-size: var(--toast-close-size);
  --button-foreground: var(--color-muted-foreground);
}
.toast__dismiss img { display: block; }
.toast__action {
  appearance: none;
  justify-self: start;
  max-inline-size: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--toast-action-background);
  color: var(--color-link);
  font: var(--toast-action-font);
  text-align: start;
  text-decoration: underline;
  text-underline-position: under;
  overflow-wrap: anywhere;
  cursor: pointer;
}
/* Existing local treatment: default foreground on hover, not link-hover. */
.toast__action:hover:not(:disabled) { color: var(--color-foreground); }
.toast__action:focus-visible { outline: var(--toast-focus-outline); outline-offset: var(--focus-offset); }
.toast__action:disabled {
  background: var(--color-disabled);
  color: var(--color-disabled-foreground);
  cursor: not-allowed;
}

.toasts { margin: 0; display: flex; flex-direction: column; gap: var(--toast-stack-gap); align-items: flex-end; }
.toasts--inline { inline-size: var(--toast-width); max-inline-size: 100%; min-inline-size: 0; }
.toasts--fixed {
  position: fixed;
  z-index: var(--toast-layer);
  box-sizing: border-box;
  inset-inline-end: 0;
  inset-block-start: 0;
  inline-size: min(100%, calc(var(--toast-width) + 2 * var(--toast-viewport-inset)));
  max-block-size: 100dvh;
  padding: var(--toast-viewport-inset);
  padding-block-start: calc(var(--toast-viewport-inset) + env(safe-area-inset-top));
  pointer-events: none;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.toasts--fixed .toast { pointer-events: auto; animation: var(--toast-enter-animation); }

@keyframes toast-drop-in {
  from { opacity: var(--toast-enter-opacity); transform: var(--toast-enter-transform); }
  to { opacity: var(--toast-visible-opacity); transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .toasts--fixed .toast { animation: none; }
}
.toasts__announcer {
  position: absolute;
  inline-size: var(--toast-announcer-size);
  block-size: var(--toast-announcer-size);
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 600px) {
  .toasts--fixed {
    inset-inline: 0;
    inline-size: 100%;
    padding: var(--toast-mobile-inset);
    padding-block-start: calc(var(--toast-mobile-inset) + env(safe-area-inset-top));
  }
}