body {
            font-family: Arial;
            background: #0f172a;
            color: white;
            text-align: center;
        }

        svg {
            background: #1e293b;
            border-radius: 12px;
            margin-top: 20px;
        }

        .meter-screen {
            fill: #000;
            stroke: #0f0;
            stroke-width: 3;
        }

        .meter-text {
            fill: #0f0;
            font-family: monospace;
            font-size: 18px;
        }

        input {
            width: 60px;
            text-align: center;
            font-size: 16px;
        }

               .reset-btn {
            margin-top: 10px;
            padding: 6px 12px;
            background: #2575fc;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: var(--font-size-small);
        }
        
        .reset-btn:hover {
            background: #1a5dc8;
        }