.pwa-install-card {
    position: fixed;
    z-index: 1200;
    right: 18px;
    bottom: 22px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 11px;
    align-items: center;
    width: min(430px, calc(100vw - 36px));
    padding: 13px 14px;
    background: rgba(255, 255, 255, .97);
    border: 1px solid #d9e5ef;
    border-radius: 18px;
    box-shadow: 0 16px 42px rgba(15, 39, 71, .18);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    direction: rtl;
}

.pwa-install-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: #eaf4fb;
    color: #0f5f91;
    font-size: 22px;
    flex: 0 0 auto;
}

.pwa-install-copy {
    min-width: 0;
}

.pwa-install-copy strong {
    display: block;
    color: #102b4e;
    font-size: 14px;
    margin-bottom: 2px;
}

.pwa-install-copy small {
    display: block;
    color: #66798d;
    font-size: 11px;
    line-height: 1.75;
}

.pwa-install-action {
    border: 0;
    border-radius: 11px;
    background: #0f4d78;
    color: #fff;
    min-height: 38px;
    padding: 9px 13px;
    font: inherit;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: transform .18s ease, background-color .18s ease;
}

.pwa-install-action:hover {
    background: #0b4167;
}

.pwa-install-action:active {
    transform: scale(.97);
}

.pwa-install-close {
    position: absolute;
    left: 6px;
    top: 3px;
    border: 0;
    background: transparent;
    color: #8292a3;
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
}

/* Mobile: top-center, compact and notch-safe */
@media (max-width: 767px) {
    .pwa-install-card {
        right: auto;
        left: 50%;
        top: max(12px, calc(env(safe-area-inset-top) + 8px));
        bottom: auto;

        width: min(390px, calc(100vw - 24px));
        transform: translateX(-50%);

        grid-template-columns: 38px minmax(0, 1fr) auto;
        gap: 9px;
        padding: 11px 12px;
        padding-left: 28px;

        border-radius: 15px;
        box-shadow: 0 12px 34px rgba(15, 39, 71, .20);

        animation: pwaInstallSlideDown .28s ease-out both;
    }

    .pwa-install-icon {
        width: 38px;
        height: 38px;
        border-radius: 11px;
        font-size: 19px;
    }

    .pwa-install-copy strong {
        font-size: 12px;
        margin-bottom: 1px;
    }

    .pwa-install-copy small {
        font-size: 9.5px;
        line-height: 1.6;
    }

    .pwa-install-action {
        min-height: 34px;
        padding: 7px 10px;
        border-radius: 9px;
        font-size: 11px;
    }

    .pwa-install-close {
        left: 5px;
        top: 4px;
        font-size: 17px;
    }
}

@media (max-width: 390px) {
    .pwa-install-card {
        width: calc(100vw - 16px);
        top: max(8px, calc(env(safe-area-inset-top) + 6px));
        grid-template-columns: 34px minmax(0, 1fr) auto;
        gap: 7px;
        padding: 9px 10px;
        padding-left: 26px;
        border-radius: 13px;
    }

    .pwa-install-icon {
        width: 34px;
        height: 34px;
        border-radius: 10px;
        font-size: 17px;
    }

    .pwa-install-copy strong {
        font-size: 11px;
    }

    .pwa-install-copy small {
        font-size: 9px;
    }

    .pwa-install-action {
        min-height: 32px;
        padding: 6px 9px;
        font-size: 10px;
    }
}

@keyframes pwaInstallSlideDown {
    from {
        opacity: 0;
        transform: translate(-50%, -10px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .pwa-install-card {
        animation: none;
    }

    .pwa-install-action {
        transition: none;
    }
}

@media (display-mode: standalone) {
    .pwa-install-card {
        display: none !important;
    }
}