body {
            font-family: 'Source Code Pro', monospace;
            background-color: #000;
            color: #0f0;
        }
        .profile-card {
            background-color: rgba(0, 10, 0, 0.9);
            border: 1px solid #0f0;
            box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
            transition: all 0.3s ease;
            color: #0f0;
        }
        .profile-card:hover {
            box-shadow: 0 0 20px rgba(0, 255, 0, 0.8);
        }
        .game-history-empty {
            background: rgba(0, 10, 0, 0.7);
            border: 1px dashed #0f0;
            color: #0f0;
        }
        .btn-primary, .btn-secondary {
            border: 1px solid #0f0;
            color: #0f0;
            transition: all 0.3s ease;
        }
        .btn-primary {
            background: rgba(0, 30, 0, 0.8);
        }
        .btn-primary:hover {
            background: rgba(0, 50, 0, 0.8);
            text-shadow: 0 0 5px #0f0;
        }
        .btn-secondary {
            background: rgba(20, 20, 20, 0.8);
        }
        .btn-secondary:hover {
            background: rgba(30, 30, 30, 0.8);
            text-shadow: 0 0 5px #0f0;
        }
        .cursor {
            display: inline-block;
            width: 10px;
            height: 20px;
            background-color: #0f0;
            animation: blink 1s infinite;
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0; }
        }