html { scroll-behavior: auto !important; }
.wafb-fab {
    position: fixed;
    width: 60px;
    height: 60px;
    z-index: 9999;
    background: #25D366;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.wafb-fab img {
    width: 35px;
    height: 35px;
}
.wafb-tooltip {
    position: absolute;
    bottom: 70px;
    background: #333;
    color: #fff;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 13px;
    white-space: nowrap;
    display: none;
}
.wafb-fab:hover .wafb-tooltip {
    display: block;
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@keyframes slidein {
    from { transform: translateY(100px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
.wafb-pulse { animation: pulse 2s infinite; }
.wafb-bounce { animation: bounce 1.5s infinite; }
.wafb-slidein { animation: slidein 0.7s ease-out forwards; }