body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    flex: 1;
}

.footer {
    margin-top: auto;
}

.card {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stats-grid {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 0.5rem;
}

.stat-item strong {
    font-size: 1.2rem;
    color: #0d6efd;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}