QWidget {
    background-color: #f0f0f0;
    color: #1e1e1e;
    font-size: 13px;
}

QLineEdit {
    background-color: #ffffff;
    border: 1px solid #ccc;
    padding: 6px;
    border-radius: 6px;
}

QTableView {
    background-color: #ffffff;
    gridline-color: #ddd;
    selection-background-color: #2d89ef;
}

QHeaderView::section {
    background-color: #e0e0e0;
    padding: 6px;
    border: none;
    font-weight: bold;
}

QPushButton {
    padding: 4px 8px;
}