body { font-family: Arial; margin: 40px; background:#f4f6f9; }
h1 { margin-bottom:20px; }

.column {
    flex: 1;
    min-height: 400px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.card {
    background: white;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 6px;
    cursor: grab;
}

.parts-card {
    margin-top: 20px;
}

.part-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.part-name {
    font-weight: 500;
}

.part-meta {
    color: #666;
}