.stt-btn-782e777f {
    position: fixed;
    z-index: 9999;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    bottom: 30px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

/* Positions */
.stt-btn-782e777f.stt-pos-bottom-right { right: 30px; }
.stt-btn-782e777f.stt-pos-bottom-left { left: 30px; }

/* Shapes */
.stt-btn-782e777f.stt-shape-circle { border-radius: 50%; }
.stt-btn-782e777f.stt-shape-square { border-radius: 0; }
.stt-btn-782e777f.stt-shape-rounded { border-radius: 8px; }

/* Animations */
.stt-btn-782e777f.stt-anim-fade-in {
    transform: scale(0.9);
}
.stt-btn-782e777f.stt-anim-fade-in.stt-visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.stt-btn-782e777f.stt-anim-slide-in {
    transform: translateY(20px);
}
.stt-btn-782e777f.stt-anim-slide-in.stt-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Mobile hide */
@media (max-width: 768px) {
    .stt-btn-782e777f.stt-mobile-hide {
        display: none !important;
    }
}

/* Hover effects */
.stt-btn-782e777f:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}