/*
 * Shared accessibility foundation for server-rendered shells.
 * Keep the focus ring independent of theme variables so creator-selected
 * storefront colours remain untouched and every interactive control remains
 * identifiable with a keyboard.
 */
.a11y-skip-link {
    position: fixed;
    top: 0.5rem;
    left: 0.5rem;
    z-index: 10050;
    transform: translateY(-180%);
    padding: 0.7rem 1rem;
    border-radius: 0.35rem;
    background: #111827;
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.15s ease-in-out;
}

.a11y-skip-link:focus,
.a11y-skip-link:focus-visible {
    transform: translateY(0);
    color: #ffffff;
    outline: 3px solid #ffffff;
    outline-offset: 2px;
}

/*
 * Use both a light separator and a saturated outer ring. This remains visible
 * over light content, dark platform chrome, and creator-controlled colours.
 */
.a11y-shell :focus-visible {
    outline: 3px solid #0b5fff !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.95) !important;
}

.a11y-shell [tabindex="-1"]:focus {
    outline: none;
}

@media (forced-colors: active) {
    .a11y-shell :focus-visible,
    .a11y-skip-link:focus,
    .a11y-skip-link:focus-visible {
        outline: 3px solid Highlight !important;
        outline-offset: 3px !important;
        box-shadow: none !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .a11y-skip-link {
        transition: none;
    }
}