#pwa-install-banner {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 500px;
    background: #ffffff;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    border-radius: 16px;
    padding: 16px 20px;
    z-index: 9999;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    border: 1px solid #e0e0e0;
    box-sizing: border-box;
}

#pwa-install-banner .banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

#pwa-install-banner .app-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    flex-shrink: 0;
    background: #1a73e8; /* Replace with your brand color or use an image */
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
    font-size: 24px;
    /* If you have a logo image, use background-image: url('logo.png'); */
}

#pwa-install-banner .banner-text {
    flex: 1;
}

#pwa-install-banner .banner-text h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #222;
}

#pwa-install-banner .banner-text p {
    margin: 4px 0 0;
    font-size: 14px;
    color: #555;
}

#pwa-install-banner .banner-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

#pwa-install-btn {
    background: #1a73e8;
    color: #fff;
    border: none;
    border-radius: 24px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

#pwa-install-btn:hover {
    background: #1557b0;
}

#pwa-close-btn {
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #888;
    padding: 0 5px;
    line-height: 1;
}

#pwa-close-btn:hover {
    color: #333;
}

/* Responsive */
@media (max-width: 480px) {
    #pwa-install-banner {
        bottom: 10px;
        padding: 12px 16px;
    }
    #pwa-install-banner .banner-text h3 {
        font-size: 16px;
    }
    #pwa-install-banner .banner-text p {
        font-size: 12px;
    }
    #pwa-install-btn {
        padding: 8px 16px;
        font-size: 12px;
    }
}