.gtwc-wrap {
    position: fixed;
    z-index: 999999;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: Arial, Helvetica, sans-serif;
}

.gtwc-button {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(0,0,0,.22);
    transition: transform .18s ease, box-shadow .18s ease;
}

.gtwc-button:hover,
.gtwc-button:focus {
    color: #fff;
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 9px 24px rgba(0,0,0,.28);
    outline: none;
}

.gtwc-button svg {
    display: block;
}

.gtwc-tooltip {
    background: #fff;
    color: #222;
    padding: 8px 12px;
    border-radius: 6px;
    box-shadow: 0 3px 14px rgba(0,0,0,.14);
    font-size: 14px;
    line-height: 1.2;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(3px);
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
}

.gtwc-wrap:hover .gtwc-tooltip,
.gtwc-wrap:focus-within .gtwc-tooltip {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 480px) {
    .gtwc-tooltip {
        display: none;
    }
}