body {
            background-color: #000;
            color: #0f0;
            font-family: monospace;
            padding: 20px;
        }
        .hud-box {
            border: 1px solid #0f0;
            padding: 10px;
            margin-bottom: 15px;
        }
        .status-ok {
            color: #0f0;
        }
        .status-bad {
            color: #f00;
        }