body {
    min-height: 100vh;
}

.stat-card {
    border-radius: 1rem;
}

.assignment-card {
    border-radius: 1rem;
}

.history-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid #edf1f5;
}

.history-item:last-child {
    border-bottom: 0;
}

.project-checkbox-list {
    max-height: 12rem;
    overflow-y: auto;
}

@media (max-width: 767.98px) {
    .card {
        border-radius: 1rem;
    }

    .display-6 {
        font-size: 1.8rem;
    }

    .table-responsive {
        font-size: 0.92rem;
    }
}