.pwa-install-card {
    margin: 28px auto 8px;
    padding: 24px;
    max-width: 920px;
    border: 1px solid rgba(36, 87, 167, .18);
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(36, 87, 167, .08), rgba(255, 255, 255, .98));
    box-shadow: 0 14px 34px rgba(24, 51, 93, .08);
}
.pwa-install-card[hidden] { display: none !important; }
.pwa-install-inner { display: flex; align-items: center; gap: 18px; }
.pwa-install-icon {
    width: 64px; height: 64px; flex: 0 0 64px;
    display: grid; place-items: center;
    border-radius: 18px; background: #fff;
    box-shadow: 0 8px 20px rgba(36, 87, 167, .14);
    font-size: 30px;
}
.pwa-install-copy { flex: 1; min-width: 0; }
.pwa-install-copy h2 { margin: 0 0 6px; font-size: clamp(1.18rem, 2vw, 1.45rem); }
.pwa-install-copy p { margin: 0; color: #4c5c70; line-height: 1.55; }
.pwa-install-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.pwa-install-button, .pwa-install-dismiss {
    min-height: 44px; border-radius: 12px; padding: 10px 16px;
    font: inherit; font-weight: 700; cursor: pointer;
}
.pwa-install-button { border: 0; background: #2457a7; color: #fff; }
.pwa-install-button:hover { background: #1c478d; }
.pwa-install-dismiss { border: 1px solid #cbd5e1; background: #fff; color: #334155; }
.pwa-ios-help {
    margin-top: 14px; padding: 14px 16px; border-radius: 12px;
    background: #fff; color: #334155; line-height: 1.55;
}
.pwa-ios-help[hidden] { display: none !important; }
@media (max-width: 640px) {
    .pwa-install-card { margin: 22px 0 6px; padding: 19px; }
    .pwa-install-inner { align-items: flex-start; }
    .pwa-install-icon { width: 52px; height: 52px; flex-basis: 52px; font-size: 25px; }
    .pwa-install-actions > * { width: 100%; }
}