.bibtex-button{display:inline-flex;align-items:center;width:auto;align-self:flex-start;margin:1.5rem 0 0;padding:8px 12px;background-color:#f8f9fa;color:#495057;border:1px solid #dee2e6;border-radius:4px;font-size:16px;font-weight:700;box-shadow:0 1px 3px rgba(0,0,0,.1);transition:all .2s ease;cursor:pointer}.bibtex-button:hover{background-color:#e9ecef}@media(min-width:992px){.bibtex-button{position:fixed;top:100px;right:10px;width:120px;justify-content:center;margin:0;z-index:1000}}.overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);z-index:1000;justify-content:center;align-items:center}.overlay-content{background-color:#fff;padding:20px;border-radius:8px;width:80%;max-width:600px;box-shadow:0 4px 8px rgba(0,0,0,.2);position:relative}.close-button{position:absolute;top:10px;right:10px;font-size:24px;cursor:pointer;color:#666}.cite-formats{display:flex;gap:1.25rem;margin-top:12px}.cite-formats label{display:inline-flex;align-items:center;gap:.4rem;cursor:pointer;font-size:.95rem;margin:0}#bibtexContent{width:100%;height:240px;padding:10px;margin-top:10px;font-family:monospace;font-size:.85rem;white-space:pre;overflow-wrap:normal;overflow-x:auto;border:1px solid #ddd;border-radius:4px;resize:vertical}.cite-actions{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}.copy-button,.download-button{background-color:#2196f3;color:#fff;border:none;padding:10px 15px;border-radius:4px;cursor:pointer}.copy-button:hover,.download-button:hover{background-color:#0b7dda}.download-button{background-color:#6c757d}.download-button:hover{background-color:#5a6268}.success-message{color:#4caf50;display:none;margin-top:10px}