.fsi-wrapper {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 99999;
}

.fsi-icon {
    width: 48px;
    height: 48px;
    background: #111;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    font-size: 20px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.fsi-icon:hover {
    transform: scale(1.1);
    background: #333;
}

.fsi-tooltip {
    position: absolute;
    right: 60px;
    background: #111;
    color: #fff;
    padding: 6px 10px;
    font-size: 12px;
    border-radius: 4px;
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
    white-space: nowrap;
}

.fsi-tooltip.show {
    opacity: 1;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .fsi-wrapper {
        right: 10px;
    }

    .fsi-icon {
        width: 42px;
        height: 42px;
        font-size: 18px;
    }
}