/* CSS Formatting */
        .calc {
         font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0;
        }

        .calculator-container {
            background-color: #ffffff;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 400px;
        }

        .input-group {
            margin-bottom: 15px;
        }

        .input-group label {
            display: block;
            margin-bottom: 5px;
            color: #666;
            font-weight: 600;
        }

        .input-group input {
            width: 100%;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 6px;
            box-sizing: border-box;
            font-size: 16px;
        }

        .input-group input:focus {
            border-color: #4CAF50;
            outline: none;
        }

        button {
            width: 100%;
            padding: 12px;
            background-color: #00B16A;
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        button:hover {
            background-color: #45a049;
        }

        .result-section {
            margin-top: 25px;
            padding-top: 15px;
            border-top: 2px solid #eee;
        }

        .result-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 16px;
        }

        .result-item span:last-child {
            font-weight: bold;
            color: #333;
        }

        .total-highlight {
            color: #4CAF50 !important;
            font-size: 18px;
        }