.sankey-tool {
    max-width: 1200px;
    margin: 0 auto;
    font-family: Arial, sans-serif;
    padding: 20px;
}

.upload-section {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.control-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.control-group {
    background: white;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.control-group h3 {
    margin-top: 0;
    color: #333;
    font-size: 14px;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}

.control-group label {
    display: block;
    margin: 8px 0;
    font-size: 13px;
}

.number-input {
    width: 60px;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 3px;
    margin-left: 5px;
}

.action-btn {
    background: #2196F3;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin: 5px 0;
    display: flex;
    align-items: center;
    gap: 5px;
}

.action-btn:hover {
    background: #0b7dda;
}

.small-btn {
    background: #757575;
    color: white;
    padding: 4px 8px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    margin-left: 5px;
}

.small-btn:hover {
    background: #616161;
}

input[type="color"] {
    width: 30px;
    height: 30px;
    vertical-align: middle;
    margin-left: 5px;
}

select {
    padding: 5px;
    border-radius: 3px;
    border: 1px solid #ddd;
    margin-left: 5px;
}

#sankeyDiagram {
    width: 100%;
    border: 1px solid #eee;
    margin-top: 20px;
    background: white;
    overflow: visible;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.color-option {
    margin-bottom: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 5px;
    font-size: 12px;
}

.checkbox-label input {
    margin: 0;
}
.scopus-processor-container table {
    max-width: 100%;
    overflow-x: auto;
    display: block;
}
.scopus-processor-container td {
    word-break: break-word;
}