body {
    background-color: #f8f9fa;
}

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

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.form-control-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.total-hours {
    background-color: #e7f3ff;
    font-size: 1.1rem;
}

.border {
    border-radius: 8px;
    transition: all 0.3s;
}

.border:hover {
    background-color: #f8f9fa;
}

h3 {
    color: #0d6efd;
    margin: 0;
}

.navbar-brand {
    font-weight: 600;
}