.site-update-notice {
    position: fixed;
    z-index: 120;
    top: calc(5rem + env(safe-area-inset-top));
    right: 1rem;
    box-sizing: border-box;
    width: min(28rem, calc(100% - 2rem));
    border: 1px solid #d8edf5;
    border-radius: 1rem;
    background: #fff;
    padding: 1rem;
    color: #102b43;
    font-family: Arial, sans-serif;
    box-shadow: 0 18px 48px rgba(16, 43, 67, 0.2);
}

.site-update-notice[hidden] {
    display: none;
}

.site-update-notice-copy strong {
    color: #102b43;
    font-size: 0.95rem;
}

.site-update-notice-copy p {
    margin: 0.35rem 0 0;
    color: #52677b;
    font-size: 0.82rem;
    line-height: 1.45;
}

.site-update-notice-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.9rem;
}

.site-update-install,
.site-update-dismiss {
    min-height: 2.65rem;
    border: 0;
    border-radius: 0.75rem;
    padding: 0.65rem 0.9rem;
    cursor: pointer;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 700;
}

.site-update-install {
    background: #087e9b;
    color: #fff;
}

.site-update-install:hover,
.site-update-install:focus-visible {
    background: #066a82;
}

.site-update-install:disabled {
    cursor: wait;
    opacity: 0.65;
}

.site-update-dismiss {
    border: 1px solid #d8edf5;
    background: #f2faff;
    color: #102b43;
}

.site-update-dismiss:hover,
.site-update-dismiss:focus-visible {
    background: #e2f4fa;
}

@media (max-width: 480px) {
    .site-update-notice {
        top: calc(4.5rem + env(safe-area-inset-top));
        right: 0.5rem;
        width: calc(100% - 1rem);
    }
}