:root {
            --primary: #000069;
            --secondary: #499000;
            --accent: #000069;
            --danger: #e74c3c;
            --warning: #f39c12;
            --light: #ecf0f1;
            --dark: #34495e;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 12px;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

     

     

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

     

        h1 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            margin-bottom: 10px;
            position: relative;
        }

        .subtitle {
            font-size: clamp(1rem, 2.5vw, 1.2rem);
            opacity: 0.9;
            position: relative;
        }

        .calculator-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 25px;
            margin-bottom: 30px;
        }

        @media (max-width: 992px) {
            .calculator-container {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .input-section, .result-section {
            background: white;
            padding: 25px 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .section-title {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title i {
            color: var(--secondary);
        }

        .tabs {
            display: flex;
            margin-bottom: 20px;
            border-bottom: 1px solid #ddd;
            overflow-x: auto;
        }

        .tab {
            padding: 12px 20px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tab.active {
            border-bottom: 3px solid var(--secondary);
            color: var(--secondary);
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        .form-group {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }

        input[type="number"] {
            width: 100%;
            padding: 14px 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }

        input[type="number"]:focus {
            border-color: var(--secondary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }

        .slider-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .slider {
            flex: 1;
            -webkit-appearance: none;
            height: 8px;
            border-radius: 4px;
            background: #ddd;
            outline: none;
        }

        .slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--secondary);
            cursor: pointer;
            transition: var(--transition);
        }

        .value-display {
            min-width: 80px;
            text-align: center;
            font-weight: 600;
            color: var(--secondary);
            background: var(--light);
            padding: 6px 12px;
            border-radius: 20px;
        }

        .btn-group {
            display: flex;
            gap: 15px;
            margin-top: 25px;
        }

        @media (max-width: 576px) {
            .btn-group {
                flex-direction: column;
            }
        }

        button {
            flex: 1;
            padding: 14px;
            border: none;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
        }

        .btn-primary {
            background: var(--secondary);
            color: white;
            box-shadow: var(--shadow);
        }

        .btn-primary:hover {
            background: #2980b9;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: var(--light);
            color: var(--dark);
            box-shadow: var(--shadow);
        }

        .btn-secondary:hover {
            background: #d5dbdb;
        }

        .result-card {
            background: var(--light);
            padding: 20px;
            border-radius: var(--radius);
            margin-bottom: 20px;
            transition: var(--transition);
            border-left: 4px solid var(--secondary);
        }

        .result-card.sip-card {
            border-left-color: var(--accent);
        }

        .result-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .result-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            flex-wrap: wrap;
            gap: 10px;
        }

        .investment-type {
            font-size: 1.2rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .return-amount {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
        }

        .result-details {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        @media (max-width: 480px) {
            .result-details {
                grid-template-columns: 1fr;
            }
        }

        .detail-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid #ddd;
        }

        .detail-label {
            font-weight: 500;
        }

        .detail-value {
            font-weight: 600;
        }

        .chart-container {
            margin-top: 25px;
            height: 300px;
            position: relative;
        }

        .comparison-summary {
            background: white;
            padding: 25px 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-top: 30px;
        }

        .summary-title {
            font-size: 1.5rem;
            margin-bottom: 20px;
            text-align: center;
            color: var(--primary);
        }

        .summary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        @media (max-width: 768px) {
            .summary-grid {
                grid-template-columns: 1fr;
                gap: 15px;
            }
        }

        .summary-item {
            text-align: center;
            padding: 20px 15px;
            border-radius: var(--radius);
            background: var(--light);
            transition: var(--transition);
        }

        .summary-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .summary-value {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 10px 0;
        }

        .lump-sum {
            color: var(--secondary);
        }

        .sip {
            color: var(--accent);
        }

        .difference {
            color: var(--warning);
        }

        .footer {
            text-align: center;
            margin-top: 40px;
            padding: 20px;
            color: #7f8c8d;
            font-size: 0.9rem;
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }

        .info-box {
            background: #e8f4fc;
            border-left: 4px solid var(--secondary);
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }

        .info-box h3 {
            color: var(--primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .info-box p {
            font-size: 0.95rem;
        }

        .badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-left: 8px;
        }

        .badge-primary {
            background: var(--secondary);
            color: white;
        }

        .badge-success {
            background: var(--accent);
            color: white;
        }

        .market-conditions {
            background: white;
            padding: 25px 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-top: 30px;
        }

        .market-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .market-tab {
            flex: 1;
            min-width: 120px;
            padding: 12px 15px;
            background: var(--light);
            border: none;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .market-tab.active {
            background: var(--secondary);
            color: white;
        }

        .market-content {
            display: none;
        }

        .market-content.active {
            display: block;
        }

        .market-scenario {
            background: var(--light);
            padding: 15px;
            border-radius: var(--radius);
            margin-bottom: 15px;
        }

        .scenario-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
        }

        .scenario-title {
            font-weight: 600;
            font-size: 1.1rem;
        }

        .scenario-returns {
            font-weight: 700;
            color: var(--accent);
        }

        .scenario-description {
            font-size: 0.9rem;
            color: #666;
        }

        .risk-indicator {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 10px;
        }

        .risk-bar {
            flex: 1;
            height: 8px;
            background: #ddd;
            border-radius: 4px;
            overflow: hidden;
        }

        .risk-level {
            height: 100%;
            border-radius: 4px;
        }

        .risk-low {
            background: var(--accent);
            width: 30%;
        }

        .risk-medium {
            background: var(--warning);
            width: 60%;
        }

        .risk-high {
            background: var(--danger);
            width: 90%;
        }

        .disclaimer {
            background: #fff8e1;
            border-left: 4px solid var(--warning);
            padding: 15px;
            margin-top: 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-size: 0.9rem;
        }