.example-btn {font-size:0.8rem}.math-box{overflow:none!important}
.unit-note {
            font-size: 0.85rem;
            color: #6c757d;
        }
        .concentration-bar-container {
            background-color: #e9ecef;
            border-radius: 20px;
            height: 12px;
            width: 100%;
            margin: 15px 0;
            overflow: hidden;
        }
        .concentration-bar {
            background-color: #0d6efd;
            width: 0%;
            height: 100%;
            border-radius: 20px;
            transition: width 0.3s ease;
        }
        .badge-symbol {
            font-family: monospace;
            font-size: 0.9rem;
        }
        .input-group-custom {
            margin-bottom: 1rem;
        }
        .mode-selector {
            margin-bottom: 1.5rem;
        }
        .mode-btn {
            border-radius: 30px;
            padding: 0.4rem 1.2rem;
            margin-right: 0.5rem;
            cursor: pointer;
            background-color: #f8f9fa;
            border: 1px solid #dee2e6;
            transition: all 0.2s;
        }
        .mode-btn.active {
            background-color: var(--primary-color, #0d6efd);
            color: white;
            border-color: var(--primary-color, #0d6efd);
        }
        .hidden-field {
            display: none;
        }
        .compound-quicklook {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: 0.8rem;
            font-size: 0.85rem;
            margin-top: 0.5rem;
        }
        .compound-row {
            display: inline-block;
            margin-right: 0.8rem;
            margin-bottom: 0.3rem;
        }
        .compound-name {
            font-weight: 600;
            cursor: pointer;
            color: var(--primary-color);
        }
        .compound-name:hover {
            text-decoration: underline;
        }
        .volume-select {
            max-width: 90px;
        }
        .mass-unit-select, .volume-unit-select {
            max-width: 80px;
        }