        :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;
            --danger-color: #dc3545;
        }
        .soil-property-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}.soil-property-table th {
    background-color: var(--light-gray);
    font-weight: 600;
}
.soil-property-table th, .soil-property-table td {
    padding: 0.75rem;
    text-align: center;
    border: 1px solid var(--border-color);
}.soil-property-table tr:nth-child(even) {
    background-color: rgba(44, 125, 160, 0.05);
}
      
        .breadcrumb-item a,.breadcrumb-item.active{color:var(--primary-color);}
        .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);color:var(--primary-color);
        }
   
        
        .financial-summary {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        
        .financial-item {
            background: white;
            border-radius: 8px;
            padding: 1.5rem;
            border: 1px solid var(--border-color);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        
        .financial-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        .financial-item .value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        
        .calculation-modes {
            display: flex;
            flex-wrap: wrap;
            background-color: var(--light-gray);
            border-radius: 6px;
            padding: 4px;
            margin-bottom: 1.5rem;
        }
        
        .mode-btn {
            flex: 1;
            text-align: center;
            padding: 0.75rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            min-width: 120px;
            margin: 2px;
            transition: all 0.2s;
        }
        
        .mode-btn.active {
            background-color: var(--primary-color);
            color: white;
        }
        
        .mode-btn:not(.active):hover {
            background-color: rgba(44, 125, 160, 0.1);
        }
        
        .mode-form {
            display: none;
        }
        
        .mode-form.active {
            display: block;
        }
        
        .chart-container {
            position: relative;
            height: 400px;
            width: 100%;
            margin: 2rem 0;
        }
         
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes fadeOut {
            from { opacity: 1; transform: translateY(0); }
            to { opacity: 0; transform: translateY(10px); }
        }
        
        .formula-box {
            background-color: var(--light-gray);
            border-left: 4px solid var(--primary-color);
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 0 4px 4px 0;
        }
        
        .info-box {
            background-color: rgba(169, 214, 229, 0.2);
            border-radius: 6px;
            padding: 1rem;
            margin: 1rem 0;
        }
        
        .pressure-distribution {
            position: relative;
            height: 300px;
            width: 100%;
            margin: 2rem 0;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            overflow: hidden;display:none
        }
        
        .distribution-label {
            position: absolute;
            font-size: 0.875rem;
            font-weight: 600;
        }
        
        @media (max-width: 768px) {
 
            .calculation-modes {
                flex-direction: column;
            }
            
            .mode-btn {
                min-width: 100%;
            }
            
            .financial-summary {
                grid-template-columns: 1fr;
            }
            
            .chart-container {
                height: 300px;
            }
        }
    