.add-panel{
--inner-padding: 0.25rem;
--input-padding: 0.5rem;
--border-width: 1px;
display: grid;
place-content: start stretch;
height: 0;
overflow: hidden;
padding: 0 1rem;
transition: padding-top var(--transition);
transition: height var(--transition);
}
--transition: 250ms ease-in-out;