body {
    background-color: #f8f9fa;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    margin-bottom: 1rem;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0,0,0,.125);
    font-weight: bold;
}

.table th {
    border-top: none;
}

.badge {
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
}

.btn-sm {
    margin-right: 0.25rem;
}

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

.container {
    max-width: 1200px;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.alert {
    margin-bottom: 1rem;
}

/* Dashboard Cards */
.card.bg-primary, .card.bg-success, .card.bg-warning, .card.bg-info {
    transition: transform 0.2s;
}

.card.bg-primary:hover, .card.bg-success:hover, .card.bg-warning:hover, .card.bg-info:hover {
    transform: translateY(-5px);
}

/* Responsive tables */
@media (max-width: 768px) {
    .table-responsive {
        display: block;
        width: 100%;
        overflow-x: auto;
    }
}