/* Scroll to Top Button */
.ws-scroll-to-top {
    position: fixed;
    bottom: 96px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #45b379 0%, #0d85ae 100%);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 10000;
}

.ws-scroll-to-top:hover {
    background: linear-gradient(135deg, #3a9b67 0%, #075f8a 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.ws-scroll-to-top:active {
    transform: translateY(-1px);
}

.ws-scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    animation: slideUp 0.3s ease forwards;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .ws-scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 88px;
        right: 20px;
    }

    .ws-scroll-to-top svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .ws-scroll-to-top {
        width: 40px;
        height: 40px;
        bottom: 82px;
        right: 15px;
    }

    .ws-scroll-to-top svg {
        width: 18px;
        height: 18px;
    }
}