.wpcb-floating-container {
    position: fixed;
    bottom: 25px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999999;
}

.wpcb-pos-bottom-right {
    right: 25px;
    align-items: flex-end;
}

.wpcb-pos-bottom-left {
    left: 25px;
    align-items: flex-start;
}

.wpcb-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
}

.wpcb-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

.wpcb-zalo {
    background-color: #fff;
    padding: 10px;
    animation: wpcb-zalo-pulse 2s infinite;
}

.wpcb-zalo svg {
    width: 100%;
    height: 100%;
}

.wpcb-call {
    background-color: #28a745;
    padding: 14px;
    animation: wpcb-pulse 2s infinite;
}

.wpcb-call svg {
    width: 100%;
    height: 100%;
}

@keyframes wpcb-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.6);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(40, 167, 69, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0);
    }
}

@keyframes wpcb-zalo-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 104, 255, 0.6);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(0, 104, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 104, 255, 0);
    }
}