:root {
            --saffron: #FF9933;
            --white: #FFFFFF;
            --green: #138808;
            --navy: #000080;
            --teal: #008080;
            --gold: #FFD700;
            --light-saffron: #FFF5EB;
            --light-green: #EBF7EB;
            --light-navy: #F0F4FF;
        }
        
        body {
            background-color: #f8f9fa;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            transition: all 0.3s ease;
            line-height: 1.6;
        }
        
        body.dark-theme {
            background-color: #121212;
            color: #e0e0e0;
        }
        
        .dark-theme .navbar {
            background-color: #1e1e1e !important;
            box-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }
        
        .dark-theme .converter-card,
        .dark-theme .district-info {
            background-color: #1e1e1e;
            color: #e0e0e0;
            box-shadow: 0 6px 15px rgba(0,0,0,0.2);
        }
        
        .dark-theme .form-control {
            background-color: #2d2d2d;
            border-color: #444;
            color: #e0e0e0;
        }
        
        .dark-theme .input-group-text {
            background-color: #333;
            border-color: #444;
            color: #e0e0e0;
        }
        
        .dark-theme .result-box {
            background: linear-gradient(135deg, #2d2d2d, #333);
            color: #e0e0e0;
        }
        
        .navbar {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            background-color: white;
        }
        
        .hero-section {
            background: linear-gradient(135deg, rgba(255,153,51,0.1), rgba(19,136,8,0.1));
            border-radius: 16px;
            padding: 2.5rem;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect fill="none" stroke="%23FF9933" stroke-width="2" x="10" y="10" width="80" height="80" rx="10" ry="10"/></svg>');
            opacity: 0.05;
        }
        
        .converter-card {
            background: white;
            border-radius: 16px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            padding: 2rem;
            margin-bottom: 2rem;
            transition: all 0.3s ease;
            height: 100%;
        }
        
        .converter-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.15);
        }
        
        .converter-header {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--saffron);
        }
        
        .converter-icon {
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            margin-right: 15px;
            color: white;
            font-size: 1.5rem;
            background: linear-gradient(135deg, var(--saffron), var(--green));
        }
        
        .input-group {
            margin-bottom: 15px;
        }
        
        .input-group label {
            font-weight: 500;
            margin-bottom: 5px;
            color: #444;
        }
        
        .dark-theme .input-group label {
            color: #ccc;
        }
        
        .form-control {
            border-radius: 8px;
            padding: 12px 15px;
            border: 1px solid #ddd;
            transition: all 0.3s;
        }
        
        .form-control: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), var(--green));
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.15);
        }
        
        .btn-outline-primary {
            border-color: var(--saffron);
            color: var(--saffron);
        }
        
        .btn-outline-primary:hover {
            background-color: var(--saffron);
            border-color: var(--saffron);
        }
        
        .result-box {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-radius: 12px;
            padding: 1.5rem;
            margin-top: 1.5rem;
            border-left: 4px solid var(--green);
            transition: all 0.3s ease;
        }
        
        .result-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 0.5rem;
        }
        
        .dark-theme .result-value {
            color: #8ab4f8;
        }
        
        .result-label {
            color: #666;
            font-size: 0.9rem;
        }
        
        .dark-theme .result-label {
            color: #aaa;
        }
        
        .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);
        }
        
        .dark-theme .unit-badge {
            background-color: #2d2d2d;
            color: #e0e0e0;
            border: 1px solid #444;
        }
        
        .district-info {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        
        .info-header {
            color: var(--navy);
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--saffron);
        }
        
        .dark-theme .info-header {
            color: #8ab4f8;
        }
        
        .tool-tip {
            position: relative;
            display: inline-block;
            cursor: pointer;
        }
        
        .tool-tip .tooltiptext {
            visibility: hidden;
            width: 200px;
            background-color: #555;
            color: #fff;
            text-align: center;
            border-radius: 6px;
            padding: 5px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            margin-left: -100px;
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 12px;
        }
        
        .tool-tip:hover .tooltiptext {
            visibility: visible;
            opacity: 1;
        }
        
        .quick-conversion {
            background-color: var(--light-navy);
            border-radius: 12px;
            padding: 15px;
            margin-top: 20px;
        }
        
        .dark-theme .quick-conversion {
            background-color: #1c2333;
        }
        
        .conversion-item {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid #eee;
        }
        
        .dark-theme .conversion-item {
            border-bottom: 1px solid #444;
        }
        
        .conversion-item:last-child {
            border-bottom: none;
        }
        
        .breadcrumb {
            background-color: transparent;
            padding: 0.75rem 0;
        }
        
        .content-section {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }
        
        .dark-theme .content-section {
            background-color: #1e1e1e;
            color: #e0e0e0;
        }
        
        @media (max-width: 768px) {
            .hero-section {
                padding: 1.5rem;
            }
            
            .converter-card {
                padding: 1.5rem;
            }
            
            h1 {
                font-size: 1.8rem;
            }
        }