#rbtt-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background-color: #BFAE90;
    color: #ffffff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.8);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

#rbtt-button.rbtt-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

#rbtt-button:hover {
    background-color: #a69678;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    transform: translateY(-3px) scale(1.05);
}

#rbtt-button svg {
    display: block;
    width: 24px;
    height: 24px;
    margin: 0;
    padding: 0;
    transition: transform 0.3s ease;
    overflow: visible;
}

#rbtt-button:hover svg {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    #rbtt-button {
        padding: 0;
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}