.publication-card {
    margin-bottom: 1.5rem;
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    padding: 1.5rem;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.publication-card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s ease;
}

#loading {
    text-align: center;
    margin: 2rem 0;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

.emoji {
    margin-right: 0.5rem;
}

.publication-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.publication-authors {
    color: #666;
    margin-bottom: 0.5rem;
}

.publication-journal {
    font-style: italic;
    color: #444;
}

.publication-doi {
    margin-top: 0.5rem;
}

.publication-doi a {
    color: #0066cc;
    text-decoration: none;
}

.publication-doi a:hover {
    text-decoration: underline;
}