:root {
            --saffron: #FF9933;
            --white: #FFFFFF;
            --green: #138808;
            --navy: #000080;
            --teal: #008080;
            --gold: #FFD700;
            --primary: #2e7d32;
            --light-bg: #f8f9fa;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--light-bg);
            color: #333;
            line-height: 1.6;
        }
        
        .district-hero {
            background: linear-gradient(135deg, rgba(46, 125, 50, 0.1), rgba(255, 153, 51, 0.1));
            border-radius: 16px;
            padding: 3rem 2rem;
            margin-bottom: 2rem;
            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: 2;
        }
        
        .tool-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            height: 100%;
            border: none;
        }
        
        .tool-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.15);
        }
        
        .tool-header {
            background: linear-gradient(135deg, var(--navy), var(--teal));
            color: white;
            padding: 1.5rem;
            text-align: center;
        }
        
        .tool-body {
            padding: 1.5rem;
        }
        
        .calculator-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .form-control, .form-select {
            border-radius: 12px;
            padding: 0.75rem 1rem;
            border: 1px solid #ddd;
        }
        
        .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(--green), #0B5E08);
            border: none;
            border-radius: 12px;
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 12px rgba(19, 136, 8, 0.3);
        }
        
        .result-card {
            background: rgba(46, 125, 50, 0.1);
            border-left: 4px solid var(--primary);
            border-radius: 8px;
            padding: 1.25rem;
            margin-top: 1.5rem;
        }
        
        .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(46, 125, 50, 0.15);
            color: var(--primary);
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            border: 1px solid rgba(46, 125, 50, 0.2);
        }
        
        .info-section {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
        }
        
        .district-info-header {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 1.5rem;
        }
        
        .district-info-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--saffron), var(--green));
            border-radius: 2px;
        }
        
        .conversion-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 1.5rem;
        }
        
        .conversion-table th, .conversion-table td {
            padding: 0.75rem;
            text-align: center;
            border: 1px solid #dee2e6;
        }
        
        .conversion-table th {
            background-color: rgba(46, 125, 50, 0.1);
            font-weight: 600;
        }
        
        .conversion-table tr:nth-child(even) {
            background-color: rgba(0,0,0,0.02);
        }
        
        .shape-option {
            cursor: pointer;
            border: 2px solid transparent;
            border-radius: 12px;
            padding: 1rem;
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .shape-option.active {
            border-color: var(--primary);
            background-color: rgba(46, 125, 50, 0.05);
        }
        
        .shape-option:hover {
            background-color: rgba(46, 125, 50, 0.05);
        }
        
        .shape-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        
        footer {
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
            border-top: 4px solid var(--saffron);
        }
        
        /* Accessibility improvements */
        a:focus {
            outline: 3px solid var(--saffron);
            outline-offset: 2px;
        }
        
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }
        
        /* SEO Content Section */
        .content-section {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
        }
        
        .content-section h2 {
            color: var(--navy);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--saffron);
        }
        
        /* Breadcrumb */
        .breadcrumb {
            background-color: transparent;
            padding: 0.75rem 0;
            margin-bottom: 1.5rem;
        }