/* Dynamic Zalo Button - Frontend CSS */
#tn-zalo-dynamic {
    position: fixed;
    bottom: 15px;
    left: 0;
    z-index: 99999;
}

#tn-zalo-dynamic .phone-vr {
    position: relative;
    width: 90px;
    height: 90px;
    cursor: pointer;
}

#tn-zalo-dynamic .phone-vr-circle-fill {
    width: 65px;
    height: 65px;
    top: 12px;
    left: 12px;
    position: absolute;
    box-shadow: 0 0 0 0 #2196F3;
    background-color: rgba(33, 150, 243, 0.7);
    border-radius: 50%;
    border: 2px solid transparent;
    animation: tn-zalo-pulse 2.3s infinite ease-in-out;
}

#tn-zalo-dynamic .phone-vr-img-circle {
    background-color: #2196F3;
    width: 40px;
    height: 40px;
    line-height: 40px;
    top: 25px;
    left: 25px;
    position: absolute;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: tn-zalo-pulse 1s infinite ease-in-out;
}

#tn-zalo-dynamic .phone-vr-img-circle a {
    display: block;
    line-height: 37px;
}

#tn-zalo-dynamic .phone-vr-img-circle img {
    max-height: 25px;
    max-width: 27px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes tn-zalo-pulse {
    0% { transform: rotate(0) scale(1) skew(1deg); }
    10% { transform: rotate(-25deg) scale(1) skew(1deg); }
    20% { transform: rotate(25deg) scale(1) skew(1deg); }
    30% { transform: rotate(-25deg) scale(1) skew(1deg); }
    40% { transform: rotate(25deg) scale(1) skew(1deg); }
    50% { transform: rotate(0) scale(1) skew(1deg); }
    100% { transform: rotate(0) scale(1) skew(1deg); }
}