.pwa-install-btn {
    position: fixed;
    bottom: 109px;
    right: 173px;
    background: linear-gradient(135deg, #de9902, #f5a623);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    z-index: 9998;
    box-shadow: 0 4px 20px rgba(222, 153, 2, 0.4);
    font-size: 14px;
    transition: all 0.3s ease;
    display: none;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(222, 153, 2, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(222, 153, 2, 0.7);
    }
}

.pwa-install-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(222, 153, 2, 0.6);
    animation: none;
}

.pwa-install-btn:active {
    transform: translateY(-1px) scale(0.98);
}

@media (max-width: 640px) {
    .pwa-install-btn {
        bottom: 114px;
        right: 3px;
        padding: 10px 18px;
        font-size: 13px;
    }
}