:root {
            --primary-color: #2c7da0;
            --secondary-color: #a9d6e5;
            --accent-color: #01497c;
            --light-gray: #f8f9fa;
            --border-color: #eaeaea;
            --text-color: #333;
            --text-muted: #6c757d;
            --success-color: #28a745;
            --warning-color: #ffc107;
            --medical-green: #198754;
            --medical-orange: #fd7e14;
        }.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);
}.medical-alert {
    background-color: rgba(220, 53, 69, 0.1);
    border-left: 4px solid var(--medical-red);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 4px 4px 0;
}
         .formula-box {
    background-color: rgba(44, 125, 160, 0.05);
    border-radius: 8px;
    padding: 1rem;
    margin: 1.5rem 0;
    border: 1px solid rgba(44, 125, 160, 0.2);
}.formula-expression {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    background-color: white;
    padding: 0.75rem;
    border-radius: 4px;
    margin: 0.5rem 0;
    border: 1px solid #eee;
}
        /* Compact RMR Results */
        .rmr-results-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        
        .rmr-result-card {
            background: white;
            border-radius: 8px;
            padding: 1.25rem;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        
        .rmr-result-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin: 0.5rem 0;
        }
        
        .rmr-result-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0.25rem;
        }
        
        /* Activity Level - Compact Version */
        .activity-level-compact {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
            margin: 1rem 0;
        }
        
        @media (max-width: 768px) {
            .activity-level-compact {
                grid-template-columns: 1fr;
            }
        }
        
        .activity-option {
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s;
            background: white;
        }
        
        .activity-option:hover {
            border-color: var(--primary-color);
        }
        
        .activity-option.selected {
            background-color: rgba(44, 125, 160, 0.1);
            border-color: var(--primary-color);
        }
        
        .activity-name {
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.25rem;
        }
        
        .activity-multiplier {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        
        /* Simple Gender Selector */
        .gender-selector-simple {
            display: flex;
            gap: 0.75rem;
            margin: 0.5rem 0;
        }
        
        .gender-option-simple {
            flex: 1;
            text-align: center;
            padding: 0.75rem;
            border: 2px solid var(--border-color);
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s;
            background: white;
        }
        
        .gender-option-simple:hover {
            border-color: var(--primary-color);
        }
        
        .gender-option-simple.selected {
            border-color: var(--primary-color);
            background-color: rgba(44, 125, 160, 0.1);
        }
        
        /* Simple Measurement System */
        .measurement-system-simple {
            display: inline-flex;
            background-color: var(--light-gray);
            border-radius: 6px;
            padding: 0.25rem;
            margin-bottom: 1rem;
        }
        
        .measurement-btn {
            padding: 0.5rem 1rem;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 600;
            font-size: 0.9rem;
        }
        
        .measurement-btn.active {
            background-color: var(--primary-color);
            color: white;
        }
        
        /* Calorie Goals - Compact */
        .calorie-goals-compact {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        
        .calorie-goal-card {
            background: white;
            border-radius: 6px;
            padding: 1rem;
            border-left: 4px solid;
        }
        
        .goal-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0.25rem;
        }
        
        .goal-value {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        
        .goal-detail {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        /* Info Boxes */
        .info-box {
            background-color: rgba(44, 125, 160, 0.05);
            border-left: 3px solid var(--primary-color);
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        
        /* Footer */
        .footer {
            background-color: var(--light-gray);
            margin-top: 3rem;
            border-top: 1px solid var(--border-color);
        }
        
        /* Responsive Adjustments */
        @media (max-width: 768px) {
            .tool-card {
                padding: 1.25rem;
            }
            
            .rmr-results-container {
                grid-template-columns: 1fr;
            }
        }
        
        /* Toast notifications */
        .toast-container {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 1050;
        }