.fcb-wrapper {
    position: fixed;
    display: flex;
    gap: 12px;
    z-index: 9999;
    pointer-events: none;
}

.fcb-wrapper.fcb-pos-bottom_right {
    bottom: 20px;
    right: 20px;
    flex-direction: column;
    align-items: flex-end;
}

.fcb-wrapper.fcb-pos-bottom_left {
    bottom: 20px;
    left: 20px;
    flex-direction: column;
    align-items: flex-start;
}

.fcb-wrapper.fcb-pos-middle_right {
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    flex-direction: column;
    align-items: flex-end;
}

.fcb-wrapper.fcb-pos-middle_left {
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    flex-direction: column;
    align-items: flex-start;
}

.fcb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.16);
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    pointer-events: auto;
}

.fcb-btn svg {
    width: 60%;
    height: 60%;
}

.fcb-btn:hover,
.fcb-btn:focus {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.22);
}

@media (max-width: 600px) {
    .fcb-wrapper.fcb-pos-bottom_right,
    .fcb-wrapper.fcb-pos-bottom_left {
        bottom: 14px;
    }

    .fcb-wrapper.fcb-pos-middle_left,
    .fcb-wrapper.fcb-pos-middle_right {
        top: 45%;
    }
}