body {
    font-family: monospace;
    background-color: #1a1a1a;
    color: #00ff00;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

#game-container {
    background-color: #333;
    border: 2px solid #00ff00;
    padding: 20px;
    width: 80%;
    max-width: 600px;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

#output {
    min-height: 200px;
    background-color: #000;
    border: 1px solid #00ff00;
    padding: 10px;
    margin-bottom: 10px;
    overflow-y: auto;
}

#command-input {
    width: calc(100% - 70px);
    padding: 8px;
    background-color: #000;
    color: #00ff00;
    border: 1px solid #00ff00;
    margin-right: 5px;
}

#send-command {
    padding: 8px 15px;
    background-color: #00ff00;
    color: #000;
    border: none;
    cursor: pointer;
}