body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

#game-controls, #game-status, #trade-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

#chart-container {
    width: 80%;
    height: 400px;
    border: 1px solid #ccc;
}