.container {
            max-width: 800px;
            margin: 0 auto;
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }

        h1 {
            text-align: center;
            color: #1a73e8;
            margin-bottom: 30px;
        }

        .calculator {
            display: grid;
            grid-gap: 20px;
        }

        .input-group {
            display: flex;
            flex-direction: column;
        }

        label {
            margin-bottom: 5px;
            color: #333;
            font-weight: bold;
        }

        input {
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
        }

        button {
            background-color: #1a73e8;
            color: white;
            padding: 12px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s;
        }

        button:hover {
            background-color: #1557b0;
        }

        .results {
            margin-top: 30px;
            padding: 20px;
            background-color: #f8f9fa;
            border-radius: 5px;
        }

        .result-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            padding: 10px;
            background-color: white;
            border-radius: 5px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 20px;
            }
            
            input, button {
                font-size: 14px;
            }
        }