.cfb-container {
    position: fixed;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cfb-container.cfb-bottom-right {
    right: 20px;
    bottom: 20px;
}

.cfb-container.cfb-bottom-left {
    left: 20px;
    bottom: 20px;
}

.cfb-button {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.cfb-button:hover {
    transform: scale(1.1);
    color: #fff;
}

.cfb-button:focus {
    outline: none;
    color: #fff;
}

.cfb-button svg {
    fill: currentColor;
}

.cfb-size-small {
    width: 45px;
    height: 45px;
}

.cfb-size-small svg {
    width: 22px;
    height: 22px;
}

.cfb-size-medium {
    width: 56px;
    height: 56px;
}

.cfb-size-medium svg {
    width: 28px;
    height: 28px;
}

.cfb-size-large {
    width: 68px;
    height: 68px;
}

.cfb-size-large svg {
    width: 34px;
    height: 34px;
}

.cfb-shadow {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.cfb-shadow:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

.cfb-animation-pulse {
    animation: cfb-pulse 2s infinite;
}

.cfb-animation-bounce {
    animation: cfb-bounce 2s infinite;
}

@keyframes cfb-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.3);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 0, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
    }
}

@keyframes cfb-bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
    60% {
        transform: translateY(-4px);
    }
}

.cfb-whatsapp-button {
    background-color: #25D366;
}

.cfb-call-button {
    background-color: #4CAF50;
}

@media (max-width: 480px) {
    .cfb-size-large {
        width: 56px;
        height: 56px;
    }
    
    .cfb-size-large svg {
        width: 28px;
        height: 28px;
    }
}