:root {
            --saffron: #FF9933;
            --white: #FFFFFF;
            --green: #138808;
            --navy: #000080;
            --teal: #008080;
            --gold: #FFD700;
            --bihar-green: #006400;
        }
        
        body {
            background-color: #f8f9fa;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #333;
            line-height: 1.6;
        }
        
        .breadcrumb {
            background-color: #e9ecef;
            border-radius: 8px;
            padding: 0.75rem 1rem;
        }
        
        .district-hero {
            background: linear-gradient(135deg, #e6f7ff, #cceeff);
            border-radius: 16px;
            padding: 3rem 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            border: 1px solid rgba(0,0,0,0.05);
            position: relative;
            overflow: hidden;
        }
        
        .district-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 8px;
            background: linear-gradient(90deg, var(--saffron), var(--white), var(--green));
            z-index: 1;
        }
        
        .tool-card {
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
            border: none;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
            background-color: white;
        }
        
        .tool-card-header {
            background: linear-gradient(135deg, var(--bihar-green), #004d00);
            color: white;
            padding: 1.5rem;
            border-bottom: 1px solid rgba(0,0,0,0.1);
        }
        
        .tool-card-body {
            padding: 2rem;
        }
        
        .form-label {
            font-weight: 600;
            color: #444;
        }
        
        .form-control, .form-select {
            border-radius: 12px;
            padding: 12px 15px;
            border: 1px solid #ddd;
            transition: all 0.3s;
        }
        
        .form-control:focus, .form-select:focus {
            border-color: var(--saffron);
            box-shadow: 0 0 0 0.25rem rgba(255, 153, 51, 0.25);
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--saffron), #e67300);
            border: none;
            border-radius: 12px;
            padding: 12px 25px;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(255, 153, 51, 0.3);
        }
        
        .result-card {
            background: linear-gradient(135deg, #e6f7ff, #d1ecff);
            border-radius: 12px;
            padding: 1.5rem;
            margin-top: 1.5rem;
            border-left: 4px solid var(--saffron);
            display: none;
        }
        
        .result-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--navy);
        }
        
        .unit-badge {
            display: inline-block;
            padding: 5px 10px;
            margin-right: 8px;
            margin-bottom: 8px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 8px;
            background-color: rgba(255,255,255,0.9);
            color: #333;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            border: 1px solid rgba(0,0,0,0.05);
        }
        
        .unit-info {
            background: linear-gradient(135deg, #f0f9ff, #e6f4ff);
            border-radius: 16px;
            padding: 2rem;
            margin-top: 2rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        
        .unit-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 1rem;
        }
        
        .unit-table th {
            background-color: var(--bihar-green);
            color: white;
            padding: 12px;
            text-align: left;
        }
        
        .unit-table td {
            padding: 12px;
            border-bottom: 1px solid #eee;
        }
        
        .unit-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        
        .shape-btn {
            background-color: #f8f9fa;
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 8px 15px;
            margin-right: 10px;
            margin-bottom: 10px;
            transition: all 0.3s;
        }
        
        .shape-btn.active {
            background: linear-gradient(135deg, var(--saffron), #e67300);
            color: white;
            border-color: var(--saffron);
        }
        
        .shape-section {
            display: none;
        }
        
        .shape-section.active {
            display: block;
        }
        
        .schema-data {
            display: none;
        }
        
        .local-guide {
            background-color: #fff;
            border-radius: 16px;
            padding: 2rem;
            margin-top: 2rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        
        @media (max-width: 768px) {
            .tool-card-body {
                padding: 1.5rem;
            }
            
            .district-hero {
                padding: 2rem 1rem;
            }
            
            h1 {
                font-size: 1.8rem;
            }
        }