: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;
            --biology-green: #4caf50;
            --biology-blue: #2196f3;
            --biology-purple: #9c27b0;
        }
        .mode-form {display:none}
		.active{display:block}
     
        .page-header {
            background: linear-gradient(135deg, rgba(169, 214, 229, 0.4) 0%, rgba(44, 125, 160, 0.4) 100%);
            padding: 1.5rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid rgba(44, 125, 160, 0.2);
            position: relative;
            overflow: hidden;  color: var(--text-color);
        }
         
        .breadcrumb {
            background-color: transparent;
            padding: 0.5rem 0;
            margin-bottom: 0.5rem;
        }
        
        .breadcrumb-item a {
            color: var(--text-muted);
            text-decoration: none;
        }
        
        .breadcrumb-item.active {
            color: var(--text-color);
        } 
        /* Gel Visualization */
        .gel-container {
            background-color: #f0f8ff;
            border-radius: 8px;
            padding: 2rem;
            margin: 2rem 0;
            position: relative;
            border: 1px solid var(--border-color);
            min-height: 400px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        
        .gel-image {
            width: 100%;
            max-width: 600px;
            height: 300px;
            background: linear-gradient(to bottom, #e6f7ff, #b3e0ff);
            border-radius: 10px;
            position: relative;
            margin: 0 auto;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            overflow: hidden;
        }
        
        .gel-lanes {
            display: flex;
            justify-content: space-around;
            width: 90%;
            height: 100%;
            margin: 0 auto;
            padding-top: 20px;
        }
        
        .gel-lane {
            width: 12%;
            height: 90%;
            background-color: rgba(255,255,255,0.7);
            border-radius: 5px;
            position: relative;
        }
        
        .dna-band {
            position: absolute;
            width: 100%;
            border-radius: 3px;
            left: 0;
            background-color: var(--biology-green);
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        .lane-label {
            position: absolute;
            bottom: -25px;
            left: 0;
            width: 100%;
            text-align: center;
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        .molecular-weight-marker {
            position: absolute;
            left: -40px;
            top: 0;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            font-size: 0.8rem;
            font-weight: 600;
        }
         
        /* Responsive Adjustments */
        @media (max-width: 768px) { 
            .gel-container {
                padding: 1rem;
            }
            
            .financial-summary {
                grid-template-columns: 1fr;
            }
        }
        
        /* Toggle switch for analysis modes */
        .analysis-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(--biology-green);
            color: white;
        }
         
        /* Upload area styling */
        .upload-area {
            border: 2px dashed #ddd;
            border-radius: 8px;
            padding: 2rem;
            text-align: center;
            margin-bottom: 1.5rem;
            transition: all 0.3s;
            cursor: pointer;
        }
        
        .upload-area:hover {
            border-color: var(--primary-color);
            background-color: rgba(44, 125, 160, 0.05);
        }
        
        .upload-icon {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        
        /* Analysis table */
        .analysis-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        
        .analysis-table th, .analysis-table td {
            padding: 0.75rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        
        .analysis-table th {
            background-color: var(--light-gray);
            font-weight: 600;
        }
        
        .analysis-table tr:hover {
            background-color: rgba(44, 125, 160, 0.05);
        }
        
        /* Color coding for DNA bands */
        .band-intensity-1 { background-color: #c8e6c9; }
        .band-intensity-2 { background-color: #81c784; }
        .band-intensity-3 { background-color: #4caf50; }
        .band-intensity-4 { background-color: #388e3c; }
        .band-intensity-5 { background-color: #1b5e20; }
        
        /* Special styling for biology-themed elements */
        .biology-highlight {
            background-color: rgba(76, 175, 80, 0.1);
            border-left: 3px solid var(--biology-green);
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
        }