    .course-row {
            background-color: #f9fafb;
            border-radius: 12px;
            padding: 12px 16px;
            margin-bottom: 12px;
            border: 1px solid #e2e8f0;
            transition: all 0.2s;
        }
        .course-row:hover {
            border-color: #3b82f6;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .remove-course {
            color: #dc2626;
            cursor: pointer;
            font-size: 1.2rem;
            background: none;
            border: none;
            transition: transform 0.1s;
        }
        .remove-course:hover {
            transform: scale(1.1);
        }
        .gpa-result-circle {
            background: linear-gradient(135deg, #1e3a8a, #3b82f6);
            border-radius: 50%;
            width: 140px;
            height: 140px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            margin: 0 auto;
            color: white;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .gpa-number {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1;
        }
        .gpa-label {
            font-size: 0.85rem;
            opacity: 0.9;
        }
        .grade-table {
            font-size: 0.85rem;
        }
        .grade-table td, .grade-table th {
            padding: 0.4rem;
        }
        .credit-badge {
            background-color: #eef2ff;
            color: #1e40af;
            border-radius: 30px;
            padding: 0.2rem 0.8rem;
            font-weight: 500;
        }
        .example-btn {
            background-color: #f1f5f9;
            border: 1px solid #cbd5e1;
            border-radius: 40px;
            padding: 0.3rem 0.9rem;
            font-size: 0.8rem;
            transition: all 0.2s;
            cursor: pointer;
            display: inline-block;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .example-btn:hover {
            background-color: #e2e8f0;
            transform: translateY(-1px);
        }
        .legend-color {
            width: 16px;
            height: 16px;
            display: inline-block;
            border-radius: 4px;
            margin-right: 6px;
        }
        .grade-dist-canvas {
            background: #ffffff;
            border-radius: 16px;
            border: 1px solid #e9ecef;
            max-height: 180px;
        }
        .info-box {
            background: #f0f9ff;
            border-left: 5px solid #0d6efd;
            padding: 1rem;
            border-radius: 12px;
        }
        .mode-tab {
            cursor: pointer;
            transition: all 0.2s;
            border-radius: 40px;
            padding: 0.4rem 1.2rem;
            font-weight: 500;
        }
        .mode-tab.active {
            background-color: #0d6efd;
            color: white;
            border-color: #0d6efd;
        }
        .privacy-note {
            font-size: 0.85rem;
            color: #4b5563;
            background: #f8fafc;
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
        }
        .custom-map-modal .modal-body {
            max-height: 60vh;
            overflow-y: auto;
        }
        .custom-map-row {
            display: flex;
            gap: 1rem;
            align-items: center;
            margin-bottom: 0.75rem;
        }
        .custom-map-row label {
            width: 60px;
            font-weight: 600;
        }
        .custom-map-row input {
            width: 100px;
        }
        .footer {
            background: #0f172a;
            color: #cbd5e1;
            margin-top: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 768px) {
            .course-row .col-md-4, .course-row .col-md-3 {
                margin-bottom: 8px;
            }
        }