.pwa-install-banner {
    position: fixed;
    z-index: 2147483000;
    right: 16px;
    left: 16px;
    bottom: max(16px, env(safe-area-inset-bottom));
    display: none;
    max-width: 480px;
    margin: 0 auto;
    padding: 14px;
    direction: rtl;
    color: #fff;
    background: #0f766e;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(15, 118, 110, .32);
}

.pwa-install-banner.is-visible { display: flex; align-items: center; gap: 10px; }
.pwa-install-banner__logo { width: 44px; height: 44px; flex: 0 0 44px; object-fit: cover; border-radius: 12px; background: #fff; }
.pwa-install-banner__content { min-width: 0; flex: 1; }
.pwa-install-banner__title { display: block; font-weight: 800; font-size: .94rem; }
.pwa-install-banner__text { display: block; margin-top: 2px; font-size: .79rem; line-height: 1.45; color: rgba(255,255,255,.9); }
.pwa-install-banner__button, .pwa-install-banner__close { border: 0; font: inherit; cursor: pointer; }
.pwa-install-banner__button { flex: 0 0 auto; padding: 8px 12px; color: #0f766e; font-weight: 800; background: #fff; border-radius: 10px; }
.pwa-install-banner__close { align-self: flex-start; padding: 2px 5px; color: #fff; background: transparent; font-size: 1.25rem; line-height: 1; }
@media (min-width: 640px) { .pwa-install-banner { right: 24px; left: auto; } }