.kanban {
    display: flex;
    min-height: 30rem;
    background-color: var(--background-color);
    overflow-x: auto;
    max-height: 90vh;
    border-top: solid 1px var(--divider-color);
    border-left: solid 1px var(--divider-color);
    border-bottom: solid 1px var(--divider-color);
}

.kanban-column {
    flex: 1;
    min-width: 20rem;
    display: flex;
    flex-direction: column;
    border-right: solid 1px var(--divider-color);
}

.kanban-column.dragOver {
    background-color: rgba(100,100,100,.1);
}

.kanban-column.min {
    flex: 0;
    min-width: 4rem;
}

.kanban-column>header {
    height: 5rem;
    border-bottom: solid 1px var(--divider-color);
    display: flex;
    align-items: flex-start;
    padding: 1rem;
}

.kanban-column>header>.title {
    padding: 0 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.kanban-column>header>i, .kanban-column>footer>button {
    color: rgba(100, 100, 100, .6);
}

.kanban-column>main {
    flex: 1;
    overflow: auto;
}

.kanban-column.min>main {
    min-height: 10rem;
    padding: 1rem;
    -webkit-writing-mode: vertical-rl;
    writing-mode: vertical-rl;
    color: var(--primary-color-light);
}

.kanban-card {
    margin: 2rem;
    box-shadow: var(--shadow1);
    background-color: var(--paper-color);
    border-radius: 5px;
    min-height: 10rem;
}

.kanban-card.red {
    border-left: solid 5px red;
}

.secondary-text {
    color: rgba(100, 100, 100, .8);
}