.pub-filters {
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e8e8e8;
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
}

.filter-label {
    font-weight: bold;
    min-width: 50px;
}

.filter-btn {
    padding: 4px 10px;
    border: 1px solid #ccc;
    border-radius: 14px;
    background-color: #fff;
    cursor: pointer;
    font-size: 14px;
}

.filter-btn::after {
    content: " (" attr(data-count) ")";
    color: #888;
}

.filter-btn:hover {
    background-color: #f0f0f0;
}

.filter-btn.active {
    background-color: #2a7ae2;
    border-color: #2a7ae2;
    color: #fff;
}

.filter-btn.active::after {
    color: #e0ecfb;
}

.filter-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.filter-count {
    font-size: 14px;
    color: #666;
}

.publication {
    margin-bottom: 20px;
}

.pub-tag {
    display: inline-block;
    font-size: 12px;
    padding: 1px 8px;
    margin: 4px 4px 0 0;
    border-radius: 10px;
    background-color: #f0f0f0;
    color: #555;
}

.pub-cat-methods { background-color: #dbe9fb; color: #1d4f91; }
.pub-cat-applied { background-color: #fbecd6; color: #8a5300; }
.pub-cat-review { background-color: #dcf2e3; color: #1f6b3a; }
.pub-cat-perspective { background-color: #ece3f7; color: #5b3a8a; }