.element-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0;
        }
        .element-table th, .element-table td {
            padding: 0.6rem;
            border: 1px solid #dee2e6;
            text-align: left;
        }
        .element-table th {
            background-color: #f8f9fa;
            font-weight: 600;
        }
        .result-highlight {
            font-size: 2rem;
            font-weight: 700;
            color: #2c7da0;
            font-family: monospace;
        }
        .unit-symbol {
            font-size: 1rem;
            font-weight: normal;
            color: #6c757d;
        }
        .formula-input {
            font-family: 'Courier New', monospace;
            font-size: 1.2rem;
        }
        .example-badge {
            background-color: #e9ecef;
            border-radius: 20px;
            padding: 0.3rem 0.8rem;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.2s;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            display: inline-block;
        }
        .example-badge:hover {
            background-color: #cfe2ff;
            transform: translateY(-2px);
        }
        .pie-chart-container {
            max-width: 300px;
            margin: 0 auto;
        }
        .chem-note {
            background-color: #f0f7f0;
            border-left: 4px solid #2c7da0;
            padding: 1rem;
            margin: 1.5rem 0;
        }
        .authority-ref {
            font-size: 0.9rem;
            color: #495057;
        }
        .mass-breakdown {
            max-height: 300px;
            overflow-y: auto;
        }