.btn {
    background: #2e2e2e;
    color: #e0e0e0;
    border: 1px solid #444;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.btn:hover {
    background: #3a3a3a;
    border-color: #bdfc9a;
    box-shadow: 0 0 10px 3px #bdfc9a;
    color: #bdfc9a;
}

#mutationModal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #1e1e1e;
    color: #e0e0e0;
    padding: 20px;
    border: 1px solid #444;
    border-radius: 10px;
    max-height: 80vh;
    overflow-y: auto;
    z-index: 9999;
    width: 90%;
    max-width: 700px;
}

#footer {
    margin-top: 12px; display: flex; gap: 10px; flex-wrap: wrap; justify-content: center;
}

#copyright-footer-img {
    height: 20px; vertical-align: middle; margin-right: 6px;
}

#mutationSearch {
    padding: 6px; font-size: 14px; width: 100%; max-width: 400px; margin-bottom: 10px; border-radius: 6px; background: #2e2e2e; color: #e0e0e0; border: 1px solid #444;
}