.course-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        
        .course-card {
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            border-left: 4px solid var(--primary-color);
        }
        
        .course-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }
        
        .course-header {
            padding: 1.5rem;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: var(--white);
        }
        
        .course-title {
            margin: 0;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .course-status {
            font-size: 0.8rem;
            opacity: 0.9;
            margin-top: 0.5rem;
        }
        
        .course-content {
            padding: 1.5rem;
        }
        
        .course-description {
            color: var(--dark-gray);
            margin-bottom: 1rem;
            line-height: 1.6;
        }
        
        .course-topics {
            list-style: none;
            padding: 0;
            margin: 1rem 0;
        }
        
        .course-topics li {
            padding: 0.3rem 0;
            position: relative;
            padding-left: 1.5rem;
        }
        
        .course-topics li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--success-color);
            font-weight: bold;
        }
        
        .course-link {
            display: inline-block;
            padding: 0.8rem 1.5rem;
            background-color: var(--primary-color);
            color: var(--white);
            text-decoration: none;
            border-radius: var(--border-radius);
            transition: var(--transition);
            font-weight: 500;
            margin-top: 1rem;
        }
        
        .course-link:hover {
            background-color: var(--secondary-color);
            transform: translateY(-2px);
        }
        
        .course-link.disabled {
            background-color: var(--light-gray);
            color: var(--dark-gray);
            cursor: not-allowed;
            transform: none;
        }
        
        .course-link.disabled:hover {
            background-color: var(--light-gray);
            transform: none;
        }
        
        .status-badge {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-left: 0.5rem;
        }
        
        .status-available {
            background-color: var(--success-color);
            color: var(--white);
        }
        
        .status-coming-soon {
            background-color: var(--warning-color);
            color: var(--white);
        }
        
        .status-in-progress {
            background-color: var(--primary-color);
            color: var(--white);
        }
        
        .progress-section {
            background: var(--light-gray);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            text-align: center;
        }
        
        .progress-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 2rem;
            margin-top: 1.5rem;
        }
        
        .progress-item {
            background: var(--white);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        
        .progress-number {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-color);
            display: block;
        }
        
        .progress-label {
            color: var(--dark-gray);
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }