:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --light: #ecf0f1;
    --dark: #34495e;
    --text: #2c3e50;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Colorblind mode variables */
.gut-metabolic-calculator-container.colorblind-mode {
    --success: #0072B2;
    --warning: #E69F00;
    --danger: #D55E00;
}

.gut-metabolic-calculator-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.gut-metabolic-calculator-container {
    background-color: #f5f7fa;
    color: var(--text);
    line-height: 1.6;
    padding: 20px;
}

.gut-metabolic-calculator-container .container {
    max-width: 1200px;
    margin: 0 auto;
}

.gut-metabolic-calculator-container .card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.gut-metabolic-calculator-container .card h2 {
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--light);
    font-size: 1.4rem;
}

.gut-metabolic-calculator-container .form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.gut-metabolic-calculator-container .form-group {
    margin-bottom: 15px;
}

.gut-metabolic-calculator-container label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.9rem;
}

.gut-metabolic-calculator-container input, 
.gut-metabolic-calculator-container select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.95rem;
    transition: border 0.3s;
}

.gut-metabolic-calculator-container input:focus, 
.gut-metabolic-calculator-container select:focus {
    border-color: var(--secondary);
    outline: none;
}

.gut-metabolic-calculator-container .tooltip {
    position: relative;
    display: inline-block;
    margin-left: 5px;
    color: var(--secondary);
    cursor: help;
}

.gut-metabolic-calculator-container .tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: var(--dark);
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 10px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.8rem;
    font-weight: normal;
}

.gut-metabolic-calculator-container .tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

.gut-metabolic-calculator-container button {
    background-color: var(--secondary);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s;
    margin-right: 10px;
    margin-bottom: 10px;
}

.gut-metabolic-calculator-container button:hover {
    background-color: var(--primary);
}

.gut-metabolic-calculator-container .colorblind-toggle {
    background-color: #7f8c8d;
    font-size: 0.9rem;
    padding: 8px 15px;
}

.gut-metabolic-calculator-container .results {
    display: none;
}

.gut-metabolic-calculator-container .score-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.gut-metabolic-calculator-container .score-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 15px;
    text-align: center;
}

.gut-metabolic-calculator-container .score-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.gut-metabolic-calculator-container .score-value {
    font-size: 2rem;
    font-weight: bold;
    margin: 10px 0;
}

.gut-metabolic-calculator-container .score-bar {
    height: 20px;
    background-color: var(--light);
    border-radius: 10px;
    margin: 10px 0;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.gut-metabolic-calculator-container .score-fill {
    height: 100%;
    border-radius: 10px;
    transition: width 0.5s ease-in-out;
    width: 0%;
    display: block;
    position: absolute;
    left: 0;
    top: 0;
}

.gut-metabolic-calculator-container .score-low { background-color: var(--danger); }
.gut-metabolic-calculator-container .score-medium { background-color: var(--warning); }
.gut-metabolic-calculator-container .score-high { background-color: var(--success); }

.gut-metabolic-calculator-container .interpretation {
    font-style: italic;
    margin-top: 10px;
    font-size: 0.9rem;
}

.gut-metabolic-calculator-container .secondary-outputs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.gut-metabolic-calculator-container .secondary-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 15px;
    text-align: center;
}

.gut-metabolic-calculator-container .secondary-card h4 {
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.gut-metabolic-calculator-container .tag {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin: 5px;
}

.gut-metabolic-calculator-container .tag-low { background-color: var(--danger); color: white; }
.gut-metabolic-calculator-container .tag-medium { background-color: var(--warning); color: white; }
.gut-metabolic-calculator-container .tag-high { background-color: var(--success); color: white; }

.gut-metabolic-calculator-container .export-section {
    text-align: center;
    margin-top: 20px;
}

.gut-metabolic-calculator-container .trademark {
    text-align: center;
    margin-top: 20px;
    font-size: 0.8rem;
    color: #7f8c8d;
}

@media (max-width: 768px) {
    .gut-metabolic-calculator-container .form-grid {
        grid-template-columns: 1fr;
    }
    
    .gut-metabolic-calculator-container .score-cards {
        grid-template-columns: 1fr;
    }
    
    .gut-metabolic-calculator-container .secondary-outputs {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}