.wfb-float-wrapper {
    position: fixed;
    bottom: 24px;
    z-index: 999999;
    display: flex;
    align-items: center;
}
.wfb-float-wrapper.wfb-right { right: 24px; flex-direction: row-reverse; }
.wfb-float-wrapper.wfb-left { left: 24px; flex-direction: row; }

.wfb-float-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--wfb-color, #25D366);
    box-shadow: 0 4px 12px rgba(0,0,0,.25);
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease;
}
.wfb-float-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 16px rgba(0,0,0,.3);
}

.wfb-tooltip {
    background: #fff;
    color: #222;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
    margin: 0 10px;
    white-space: nowrap;
}

@media (max-width: 480px) {
    .wfb-tooltip { display: none; }
    .wfb-float-btn { width: 52px; height: 52px; }
    .wfb-float-wrapper.wfb-right { right: 14px; bottom: 14px; }
    .wfb-float-wrapper.wfb-left { left: 14px; bottom: 14px; }
}