body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background-color: #f4f4f4;
}

h1 {
    color: #333;
}

.controls {
    margin-bottom: 20px;
    background-color: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.controls button {
    margin: 5px;
    padding: 8px 15px;
    cursor: pointer;
    background-color: #5cb85c;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.controls button:hover {
    background-color: #4cae4c;
}

#delete-selected-btn, #clear-all-btn {
    background-color: #d9534f;
}
#delete-selected-btn:hover, #clear-all-btn:hover {
    background-color: #c9302c;
}

#calculate-maxcut-btn {
    background-color: #337ab7;
}
#calculate-maxcut-btn:hover {
    background-color: #286090;
}


#graph-editor {
    width: 80%;
    height: 500px;
    border: 1px solid #ccc;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.results {
    margin-top: 20px;
    background-color: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    width: 80%;
    text-align: center;
}

.results h3 {
    margin-top: 0;
    color: #333;
}

#max-cut-cost {
    font-weight: bold;
    color: #337ab7;
}

/* vis-network specific styles if needed */
.vis-network .vis-manipulation {
    /* Style manipulation bar if needed */
}

.vis-network .vis-edit-mode {
    /* Style edit mode bar if needed */
}