:root {
            --saffron: #FF9933;
            --white: #FFFFFF;
            --green: #138808;
            --navy: #000080;
            --teal: #008080;
            --gold: #FFD700;
            --primary: #2e7d32;
            --light-bg: #f8f9fa;
        }
        
        body {
            background-color: #fafafa;
            font-family: 'Poppins', sans-serif;
            padding-top: 60px;
            color: #333;
            line-height: 1.6;
        }
        
        .navbar {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            background: white !important;
        }
        
        .district-hero {
            background: linear-gradient(135deg, #e3f2fd, #bbdefb);
            border-radius: 16px;
            padding: 3rem;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }
        
        .district-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 Q50,30 100,0 L100,100 Q50,70 0,100 Z" fill="rgba(255,255,255,0.3)"/></svg>') no-repeat;
            background-size: cover;
            opacity: 0.3;
        }
        
        .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);
            position: relative;
            z-index: 1;
            height: 100%;
            margin-bottom: 30px;
            background-color: white;
        }
        
        .tool-card::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:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.15);
        }
        
        .card-header {
            background: linear-gradient(135deg, var(--primary), #1b5e20);
            color: white;
            font-weight: 600;
            padding: 1.2rem 1.5rem;
            border-bottom: none;
        }
        
        .card-body {
            padding: 1.8rem;
        }
        
        .form-label {
            font-weight: 500;
            color: #444;
            margin-bottom: 0.5rem;
        }
        
        .form-control, .form-select {
            border-radius: 12px;
            padding: 0.75rem 1rem;
            border: 1px solid #ddd;
            transition: all 0.3s;
        }
        
        .form-control:focus, .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.2);
        }
        
        .btn-calculate {
            background: linear-gradient(135deg, var(--primary), #1b5e20);
            border: none;
            border-radius: 12px;
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            transition: all 0.3s;
            width: 100%;
            color: white;
        }
        
        .btn-calculate:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(46, 125, 50, 0.3);
        }
        
        .result-box {
            background-color: #e8f5e9;
            border-radius: 12px;
            padding: 1.5rem;
            margin-top: 1.5rem;
            border-left: 4px solid var(--primary);
        }
        
        .result-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        
        .shape-btn {
            background-color: white;
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            padding: 1rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            margin-bottom: 1rem;
            height: 100%;
        }
        
        .shape-btn.active, .shape-btn:hover {
            border-color: var(--primary);
            background-color: #e8f5e9;
            transform: translateY(-3px);
        }
        
        .shape-btn i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }
        
        .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, 0.1);
            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-color: white;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
            border: 1px solid rgba(0,0,0,0.05);
        }
        
        .district-map {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            height: 100%;
        }
        
        .district-map img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .unit-table {
            width: 100%;
            border-collapse: collapse;
        }
        
        .unit-table th, .unit-table td {
            padding: 0.75rem;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        
        .unit-table th {
            background-color: #e8f5e9;
            color: var(--primary);
            font-weight: 600;
        }
        
        .unit-table tr:last-child td {
            border-bottom: none;
        }
        
        .unit-table tr:hover td {
            background-color: #f1f8e9;
        }
        
        .breadcrumb {
            background-color: transparent;
            padding: 0.75rem 0;
            margin-bottom: 1rem;
        }
        
        .breadcrumb-item a {
            color: var(--primary);
            text-decoration: none;
        }
        
        .breadcrumb-item.active {
            color: #6c757d;
        }
        
        .seo-content {
            background-color: white;
            border-radius: 16px;
            padding: 2rem;
            margin-top: 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        
        .seo-content h2 {
            color: var(--primary);
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        
        .seo-content h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--saffron), var(--green));
            border-radius: 3px;
        }
        
        .seo-content h3 {
            color: #2c3e50;
            margin-top: 1.8rem;
            margin-bottom: 1rem;
        }
        
        .seo-content p {
            margin-bottom: 1.2rem;
            color: #444;
        }
        
        .seo-content ul {
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        
        .seo-content li {
            margin-bottom: 0.5rem;
        }
        
        .faq-item {
            margin-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 1.5rem;
        }
        
        .faq-item:last-child {
            border-bottom: none;
        }
        
        @media (max-width: 768px) {
            .district-hero {
                padding: 1.5rem;
            }
            
            .card-body {
                padding: 1.25rem;
            }
            
            .district-hero::before {
                width: 100%;
                opacity: 0.1;
            }
        }