body { min-height: 100vh; }
.block-card .form-label { font-size: .85rem; margin-bottom: .15rem; }
.cursor-grab { cursor: grab; }
code.txt { user-select: all; }
.tab-pane table { font-size: .9rem; }
.block-card.drop-above { box-shadow: 0 -3px 0 0 var(--bs-primary); }
.block-card.drop-below { box-shadow: 0 3px 0 0 var(--bs-primary); }
.block-card .card-header { background: var(--bs-tertiary-bg); }