.container {
    display: flex;
    gap: 20px;
}

.components {
    flex: 2;
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.build {
    flex: 1;
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.component-category {
    margin-bottom: 20px;
}

.component-category h3 {
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.component-category ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.component-category li {
    padding: 8px;
    margin: 5px 0;
    background-color: #f9f9f9;
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.component-category li:hover {
    background-color: #e9e9e9;
}

#build-components {
    min-height: 200px;
    border: 1px dashed #ccc;
    padding: 10px;
    margin-bottom: 20px;
}

.build-item {
    padding: 8px;
    margin: 5px 0;
    background-color: #f0f8ff;
    border-radius: 3px;
}

.build-total {
    margin: 20px 0;
    padding: 10px;
    background-color: #e6f7ff;
    border-radius: 3px;
    text-align: right;
}

.build-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.build-actions button {
    padding: 8px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.build-actions button:hover {
    background-color: #45a049;
}