.level-card,
.module-card {
    border: 1px solid #e1e4e8;
    border-radius: 6px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: #fff;
    transition: box-shadow 0.3s ease, transform 0.2s ease;
}

.level-card:hover,
.module-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.level-card h3,
.module-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.level-card h3 a,
.module-card h3 a {
    text-decoration: none;
    color: #0366d6;
}

.level-description {
    color: #586069;
    margin-bottom: 1rem;
}

.level-meta {
    font-size: 0.9rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e1e4e8;
}

.prereqs {
    color: #735c0f;
    background: #fff8c5;
    border: 1px solid #f1e05a;
    border-radius: 3px;
    padding: 0.5rem;
    font-size: 0.9rem;
}

.module-meta {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.level-badge {
    background: #e1e4e8;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
}