.znode-pwa-update-prompt {
    position: fixed;
    right: max(16px, env(safe-area-inset-right, 0px));
    bottom: calc(var(--znode-ios-pwa-safe-bottom) + var(--bottom-nav-height) + 12px);
    left: max(16px, env(safe-area-inset-left, 0px));
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: min(560px, calc(100vw - 32px));
    margin-inline: auto;
    padding: 14px;
    border: 1px solid var(--zn-member-border-strong, var(--zn-border-strong));
    border-radius: 18px;
    background: var(--zn-member-surface-elevated, var(--zn-bg-surface-elevated));
    box-shadow: var(--zn-shadow);
    color: var(--zn-member-text-primary, var(--zn-text-primary));
}

.znode-pwa-update-prompt[hidden] {
    display: none;
}

.znode-pwa-update-copy {
    display: grid;
    min-width: 0;
    gap: 3px;
}

.znode-pwa-update-copy strong {
    font-size: 0.92rem;
}

.znode-pwa-update-copy span {
    color: var(--zn-member-text-secondary, var(--zn-text-secondary));
    font-size: 0.78rem;
    line-height: 1.35;
}

.znode-pwa-update-actions {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 8px;
}

.znode-pwa-update-actions button {
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid var(--zn-member-border-strong, var(--zn-border-strong));
    border-radius: 12px;
    font: inherit;
    font-size: 0.8rem;
    font-weight: 750;
}

.znode-pwa-update-later {
    background: transparent;
    color: var(--zn-member-text-secondary, var(--zn-text-secondary));
}

.znode-pwa-update-apply {
    border-color: transparent;
    background: var(--zn-member-accent, var(--zn-accent));
    color: var(--zn-member-accent-contrast, white);
}

.znode-pwa-update-apply:disabled {
    opacity: 0.65;
}

@media (max-width: 520px) {
    .znode-pwa-update-prompt {
        align-items: stretch;
        flex-direction: column;
        gap: 12px;
    }

    .znode-pwa-update-actions {
        justify-content: flex-end;
    }
}