:root { 
 
            --warning-color: #ffc107;
            --medical-purple: #6a1b9a;
            --medical-blue: #1976d2;
            --medical-green: #388e3c;
        }
           
        .medical-info-box {
            background-color: rgba(25, 118, 210, 0.05);
            border-left: 3px solid var(--medical-blue);
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
        }
         
        /* Toggle switch for calculation modes */
        .calculation-modes {
            display: flex;
            background-color: var(--light-gray);
            border-radius: 6px;
            padding: 4px;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }
        
        .mode-btn {
            flex: 1;
            text-align: center;
            padding: 0.75rem;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 600;
            min-width: 120px;
            margin: 2px;
        }
        
        .mode-btn.active {
            background-color: var(--primary-color);
            color: white;
        }
         
        /* Neurotransmitter-specific styling */
        .neuro-alert {
            background-color: rgba(25, 118, 210, 0.1);
            border-left: 4px solid var(--medical-blue);
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 0 4px 4px 0;
        }
        
        .normal-range {
            color: var(--medical-green);
            font-weight: 600;
        }
        
        .abnormal-range {
            color: var(--medical-purple);
            font-weight: 600;
        }
        
        .reference-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        
        .reference-table th, .reference-table td {
            padding: 0.75rem;
            text-align: left;
            border: 1px solid var(--border-color);
        }
        
        .reference-table th {
            background-color: var(--light-gray);
            font-weight: 600;
        }
        
        .reference-table tr:nth-child(even) {
            background-color: rgba(106, 27, 154, 0.05);
        }
  
        /* Neurotransmitter chart */
        .neuro-chart-container {
            position: relative;
            height: 300px;
            width: 100%;
            margin: 1.5rem 0;
        }
        
        .neuro-status-indicator {
            display: inline-block;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            margin-right: 8px;
        }
        
        .status-dopamine {
            background-color: #e53935;
        }
        
        .status-serotonin {
            background-color: #8e24aa;
        }
        
        .status-acetylcholine {
            background-color: #43a047;
        }
        
        .status-glutamate {
            background-color: #fb8c00;
        }
        
        .status-gaba {
            background-color: #039be5;
        }
        
        .neuro-classification {
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
            border-left: 5px solid;
        }
        
        .neuro-normal {
            background-color: rgba(56, 142, 60, 0.1);
            border-left-color: var(--medical-green);
        }
        
        .neuro-elevated {
            background-color: rgba(255, 193, 7, 0.1);
            border-left-color: var(--warning-color);
        }
        
        .neuro-low {
            background-color: rgba(229, 57, 53, 0.1);
            border-left-color: #e53935;
        }
        
        .neuro-custom {
            background-color: rgba(106, 27, 154, 0.1);
            border-left-color: var(--primary-color);
        }
        
        /* Input group styling */
        .input-group {
            margin-bottom: 1rem;
        }
        
        /* Mode-specific form styling */
        .mode-form {
            display: none;
        }
        
        .mode-form.active {
            display: block;
        }
        
        /* Neurotransmitter selector */
        .neuro-selector {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 10px;
            margin-bottom: 1.5rem;
        }
        
        .neuro-option {
            border: 2px solid var(--border-color);
            border-radius: 8px;
            padding: 1rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .neuro-option:hover {
            border-color: var(--primary-color);
            background-color: rgba(106, 27, 154, 0.05);
        }
        
        .neuro-option.active {
            border-color: var(--primary-color);
            background-color: rgba(106, 27, 154, 0.1);
        }
        
        .neuro-icon {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            color: var(--primary-color);
        }
        
        /* Slider styling */
        .slider-container {
            margin-bottom: 1.5rem;
        }
        
        .slider-label {
            display: flex;
            justify-content: between;
            margin-bottom: 0.5rem;
        }
        
        .slider-value {
            background-color: var(--primary-color);
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            font-size: 0.8rem;
            margin-left: 0.5rem;
        }
        
        .form-range {
            width: 100%;
        }