#ba_Calculator {
            margin-bottom: 20px;
        }

        .ba-calculator-container {
            background: #2a2d30;
            border-radius: 6px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgb(12 12 12 / 72%);
        }

        .ba_calculator_header {
            background: linear-gradient(135deg, #f9a321, #d7a65e);
            color: white;
            padding: 1rem;
            position: relative;
            margin: 0;
            border-radius: 5px 5px 0px 0px;
        }

        .ba_body_Calculator {
            padding: 1.5rem;
        }

        .intro-text {
            text-align: center;
            color: #8694a9;
            margin-bottom: 1.5rem;
            font-size: 14px;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            font-weight: 600;
            color: #d3d3d3;
            margin-bottom: 8px;
            display: block;
            font-size: 0.9rem;
        }

        .ba_input-with-unit {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .input-group {
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .form-control {
            background-color: #3c3f42 !important;
            color: #ccc !important;
            border: 1px solid #495057 !important;
            border-radius: 5px !important;
        }

        .form-control:focus {
            box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
            border-color: #667eea;
            background: white;
        }

        .form-control::placeholder {
            color: #a0aec0;
            opacity: 1;
        }

        .form-control[readonly] {
            background: linear-gradient(90deg, #000000 0%, #70707b 100%);
            border-color: #cbd5e0;
            color: #4a5568;
            font-weight: 600;
        }

        .form-select {
            background-color: #3c3f42 !important;
            color: #ccc !important;
            border: 1px solid #495057 !important;
            border-radius: 5px !important;
            box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0) !important;
            width: 40%;
        }

        .ba_btn-container {
            display: flex;
            gap: 15px;
            justify-content: center;
            margin: 30px 0;
        }

        .btn {
            padding: 0.6rem 2rem;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 10px;
            margin: 0 0.5rem;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .btn-calculate {
            background: linear-gradient(45deg, #667eea, #764ba2);
            border: none;
            color: white;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }

        .btn-calculate:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
            color: white;
        }

        .btn-reset {
            background: linear-gradient(45deg, #ff6b6b, #ee5a24);
            border: none;
            color: white;
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
        }

        .btn-reset:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
            color: white;
        }

        #calculationSteps {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-radius: 15px;
            padding: 1.5rem;
            margin-top: 2rem;
            border-left: 5px solid #667eea;
            display: none;
        }

        .calculation-step {
            margin-bottom: 1rem;
            padding: 0.8rem;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .calculation-step:last-child {
            margin-bottom: 0;
        }

        .step-title {
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 0.5rem;
        }

        .step-content {
            color: #555;
            font-family: 'Courier New', monospace;
            background: rgba(102, 126, 234, 0.05);
            padding: 0.5rem;
            border-radius: 5px;
        }

        .result-highlight {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            padding: 1rem;
            border-radius: 10px;
            text-align: center;
            font-size: 1.2rem;
            font-weight: 700;
            margin-top: 1rem;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }

        .alert {
            border-radius: 10px;
            border: none;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }