/* Back to Top Button Styles */
.back-to-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: #16a34a;
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease-in-out;
}

.back-to-top-btn:hover {
    background-color: #15803d;
    transform: translateY(0) scale(1.1);
}

.back-to-top-btn:focus {
    outline: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 0 0 3px rgba(22, 163, 74, 0.3);
}

.back-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .back-to-top-btn {
        bottom: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
    }
}