.badge.bg-available { background-color: #28a745; }
.badge.bg-reserved { background-color: #ffc107; }
.badge.bg-rented { background-color: #dc3545; }
.badge.bg-returned { background-color: #6c757d; }
.badge.bg-secondary {
    background-color: #6c757d;
}
.badge.bg-primary {
    background-color: #007bff;
}