.gpa-calculator-wrapper * {
            box-sizing: border-box;
        }
        
        .gpa-calculator-wrapper {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
        }
        
        .gpa-calculator-wrapper .main-title {
            color: #336699;
            font-weight: 700;
            margin-bottom: 1.5rem;
            font-size: 2rem;
        }
        
        .gpa-calculator-wrapper .intro-text {
            color: #666;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        
        .gpa-calculator-wrapper .calculator-card {
            background: #fff;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        
        .gpa-calculator-wrapper .semester-header {
            background-color: #336699;
            color: white;
            padding: 12px 20px;
            border-radius: 6px;
            margin-bottom: 1rem;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .gpa-calculator-wrapper .course-row {
            background: #f8f9fa;
            padding: 15px;
            border-radius: 6px;
            margin-bottom: 10px;
            border-left: 3px solid #336699;
        }
        
        .gpa-calculator-wrapper .form-label {
            color: #336699;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        .gpa-calculator-wrapper .form-control,
        .gpa-calculator-wrapper .form-select {
            border: 1px solid #d0d0d0;
            border-radius: 4px;
            padding: 0.5rem 0.75rem;
        }
        
        .gpa-calculator-wrapper .form-control:focus,
        .gpa-calculator-wrapper .form-select:focus {
            border-color: #336699;
            box-shadow: 0 0 0 0.2rem rgba(51, 102, 153, 0.25);
        }
        
        .gpa-calculator-wrapper .btn-primary {
            background-color: #336699;
            border-color: #336699;
            padding: 10px 30px;
            font-weight: 600;
            border-radius: 4px;
        }
        
        .gpa-calculator-wrapper .btn-primary:hover {
            background-color: #2a5580;
            border-color: #2a5580;
        }
        
        .gpa-calculator-wrapper .btn-outline-primary {
            color: #336699;
            border-color: #336699;
        }
        
        .gpa-calculator-wrapper .btn-outline-primary:hover {
            background-color: #336699;
            border-color: #336699;
        }
        
        .gpa-calculator-wrapper .btn-danger {
            background-color: #dc3545;
            border-color: #dc3545;
        }
        
        .gpa-calculator-wrapper .btn-sm {
            padding: 0.375rem 0.75rem;
            font-size: 0.875rem;
        }
        
        .gpa-calculator-wrapper .result-box {
            background: #e8f1f8;
            border: 2px solid #336699;
            border-radius: 8px;
            padding: 2rem;
            text-align: center;
            margin-top: 2rem;
        }
        
        .gpa-calculator-wrapper .result-box h3 {
            color: #336699;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }
        
        .gpa-calculator-wrapper .gpa-value {
            font-size: 3rem;
            font-weight: 700;
            color: #336699;
            margin: 1rem 0;
        }
        
        .gpa-calculator-wrapper .settings-panel {
            background: #f8f9fa;
            border: 1px solid #e0e0e0;
            border-radius: 6px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        
        .gpa-calculator-wrapper .settings-title {
            color: #336699;
            font-weight: 600;
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }
        
        .gpa-calculator-wrapper .form-check-input:checked {
            background-color: #336699;
            border-color: #336699;
        }
        
        .gpa-calculator-wrapper .planning-calculator {
            background: #fff;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            padding: 2rem;
            margin: 2rem 0;
        }
        
        .gpa-calculator-wrapper .planning-title {
            color: #336699;
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        
        .gpa-calculator-wrapper .blog-section {
            background: #fff;
            padding: 3rem 0;
            margin-top: 3rem;
            border-top: 3px solid #336699;
        }
        
        .gpa-calculator-wrapper .blog-title {
            color: #336699;
            font-weight: 700;
            font-size: 2rem;
            margin-bottom: 2rem;
            text-align: center;
        }
        
        .gpa-calculator-wrapper .blog-content {
            color: #444;
            line-height: 1.9;
            font-size: 1rem;
        }
        
        .gpa-calculator-wrapper .blog-content h3 {
            color: #336699;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }
        
        .gpa-calculator-wrapper .blog-content h4 {
            color: #336699;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
            font-size: 1.25rem;
        }
        
        .gpa-calculator-wrapper .blog-content p {
            margin-bottom: 1.25rem;
        }
        
        .gpa-calculator-wrapper .grade-table {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 6px;
            margin: 1.5rem 0;
        }
        
        .gpa-calculator-wrapper .grade-table table {
            width: 100%;
        }
        
        .gpa-calculator-wrapper .grade-table td {
            padding: 0.5rem;
            border-bottom: 1px solid #dee2e6;
        }
        
        .gpa-calculator-wrapper .alert-info {
            background-color: #e8f1f8;
            border-color: #336699;
            color: #336699;
        }