* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        .headers {
            background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
            padding: 30px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-top-right-radius: 20px;
            border-top-left-radius: 20px;
        }

        .headers::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
            transform: rotate(30deg);
        }

        .calculator-container {
            background: rgba(255, 255, 255, 0.97);
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
            width: 100%;
            max-width: 900px;

            text-align: center;
            transition: transform 0.4s ease;

        }

        .calculator-container:hover {
            transform: translateY(-10px);
        }

        .headers h1 {
            color: white;
            margin-bottom: 15px;
            font-size: 2.8rem;
            font-weight: 800;
            position: relative;
            display: inline-block;
        }

        .subtitle {
            color: #ffffff;
            font-size: 1.2rem;
            line-height: 1.6;
        }

        .main-content {
            display: flex;
            gap: 30px;
            margin-top: 20px;
					padding: 20px;
        }

        .calculator-section {
            flex: 1;
            background: #f8f9ff;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            
        }

        .input-group {
            margin-bottom: 25px;
            text-align: left;
        }

        label {
            display: block;
            margin-bottom: 10px;
            color: #444;
            font-weight: 600;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
        }

        label i {
            margin-right: 10px;
            color: #6a11cb;
        }

        input {
            width: 100%;
            height: 55px !important;
            border: 2px solid #e0e0e0 !important;
					 
            border-radius: 12px;
            border-radius: 12px;
            font-size: 1.1rem;
            transition: all 0.3s;
            background: #fff;
        }

        input:focus {
            outline: none !important;
            border-color: #6a11cb !important;
            box-shadow: 0 0 0 4px rgba(106, 17, 203, 0.15);
        }

        .scale-options {
            display: flex;
            gap: 15px;
            margin: 20px 0;
        }

        .scale-option {
            flex: 1;
            padding: 15px;
            border-radius: 12px;
            background: #fff;
            border: 2px solid #e0e0e0;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
        }

        .scale-option.active {
            border-color: #6a11cb;
            background: rgba(106, 17, 203, 0.05);
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(106, 17, 203, 0.1);
        }

        .scale-option h3 {
            color: #535353;
            margin-bottom: 8px;
            font-size: 0.9rem;

        }

        .scale-option p {
            color: #666;
            font-size: 0.95rem;
        }

        .btn-container {
            margin: 30px 0 20px;
        }

        button {
            background: linear-gradient(90deg, #6a11cb, #2575fc);
            color: white;
            border: none;
            border-radius: 12px;
            padding: 16px 45px;
            font-size: 1.2rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 5px 20px rgba(37, 117, 252, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        button:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(37, 117, 252, 0.6);
        }

        button:active {
            transform: translateY(2px);
        }

        .result-container {
            background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
            border-radius: 12px;
            padding: 25px;
            margin-top: 20px;
            display: none;
            animation: fadeIn 0.6s ease-out;
        }

        .result-container.active {
            display: block;
        }

        .result-title {
            color: #333;
            font-size: 1.3rem;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .cgpa-value {
            font-size: 4rem;
            font-weight: 800;
            color: #d35400;
            margin: 15px 0;
            text-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
        }

        .grade-info {
            font-size: 1.4rem;
            font-weight: 700;
            color: #333;
            margin-top: 15px;
            padding: 10px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.4);
        }

        .info-section {
            flex: 1;
            text-align: left;
        }

        .instructions {
            background: #e3f2fd;
            border-radius: 15px;
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .instructions h2 {
            color: #1976d2;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .instructions ul {
            padding-left: 25px;
        }

        .instructions li {
            margin-bottom: 12px;
            color: #333;
            line-height: 1.6;
        }

       

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @media (max-width: 850px) {
            .main-content {
                flex-direction: column;
            }
            
            .calculator-container {
                padding: 30px 20px;
            }
            
            h1 {
                font-size: 2.2rem;
            }
            
            .scale-options {
                flex-direction: column;
            }
        }