#posbasic-zalo-contact {
    position: fixed;
    z-index: 99999999;
    margin: 0;
    padding: 0;
    line-height: 1;
}

#posbasic-zalo-contact,
#posbasic-zalo-contact * {
    box-sizing: border-box;
}

#posbasic-zalo-contact .posbasic-zalo-link {
    display: block;
    position: relative;
    outline: none;
    text-decoration: none;
}

#posbasic-zalo-contact .posbasic-zalo-icon-wrap {
    width: var(--pb-zalo-size, 45px);
    height: var(--pb-zalo-size, 45px);
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #00acd4;
    cursor: pointer;
    box-shadow: 0 0 0 0 #0084ff;
}

#posbasic-zalo-contact .posbasic-zalo-icon-wrap img {
    display: block;
    width: var(--pb-zalo-icon-size, 35px);
    height: var(--pb-zalo-icon-size, 35px);
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    box-shadow: none;
    object-fit: contain;
}

#posbasic-zalo-contact .posbasic-zalo-label {
    position: absolute;
    top: 50%;
    left: calc(100% + 10px);
    transform: translateY(-50%);
    min-height: 25px;
    line-height: 25px;
    padding: 0 10px;
    border-radius: 5px;
    white-space: nowrap;
    font-size: 14px;
    font-weight: 400;
    color: #fff;
    background: #0084ff;
    opacity: 0;
    visibility: hidden;
    transition: opacity .18s ease, visibility .18s ease;
    pointer-events: none;
}

#posbasic-zalo-contact .posbasic-zalo-link:hover .posbasic-zalo-label,
#posbasic-zalo-contact .posbasic-zalo-link:focus-visible .posbasic-zalo-label {
    opacity: 1;
    visibility: visible;
}

#posbasic-zalo-contact .posbasic-zalo-label:after {
    content: "";
    position: absolute;
    right: 100%;
    top: 50%;
    width: 0;
    height: 0;
    margin-top: -5px;
    border: 5px solid transparent;
    border-right-color: #0084ff;
    pointer-events: none;
}

/* Giữ hiệu ứng Zoom/Pulse từ mẫu gốc */
#posbasic-zalo-contact .posbasic-zalo-animation-zoom .posbasic-zalo-icon-wrap {
    animation: posbasic-zalo-zoom 1.5s infinite;
}

@keyframes posbasic-zalo-zoom {
    0% { transform: scale(.9); box-shadow: 0 0 0 0 rgba(0,132,255,.55); }
    70% { transform: scale(1); box-shadow: 0 0 0 15px rgba(0,132,255,0); }
    100% { transform: scale(.9); box-shadow: 0 0 0 0 rgba(0,132,255,0); }
}

/* Giữ hiệu ứng Tada */
#posbasic-zalo-contact .posbasic-zalo-animation-tada .posbasic-zalo-icon-wrap {
    animation: posbasic-zalo-tada 1.5s infinite;
}

@keyframes posbasic-zalo-tada {
    0% { transform: scale(1); }
    10%, 20% { transform: scale(.9) rotate(-3deg); }
    30%, 50%, 70%, 90% { transform: scale(1.1) rotate(3deg); }
    40%, 60%, 80% { transform: scale(1.1) rotate(-3deg); }
    100% { transform: scale(1) rotate(0); }
}

/* Giữ hiệu ứng Swing */
#posbasic-zalo-contact .posbasic-zalo-animation-swing img {
    animation: posbasic-zalo-swing 1s ease-in 1s infinite;
}

@keyframes posbasic-zalo-swing {
    20% { transform: rotate3d(0,0,1,15deg); }
    40% { transform: rotate3d(0,0,1,-10deg); }
    60% { transform: rotate3d(0,0,1,5deg); }
    80% { transform: rotate3d(0,0,1,-5deg); }
    100% { transform: rotate3d(0,0,1,0deg); }
}

@media (max-width: 767px) {
    #posbasic-zalo-contact .posbasic-zalo-label {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    #posbasic-zalo-contact .posbasic-zalo-animation-zoom .posbasic-zalo-icon-wrap,
    #posbasic-zalo-contact .posbasic-zalo-animation-tada .posbasic-zalo-icon-wrap,
    #posbasic-zalo-contact .posbasic-zalo-animation-swing img {
        animation: none !important;
    }
}