/* /flexbox-playground only: item rows and the live flex stage. Scoped under #flxApp. */
#flxApp .xr-items { display: grid; gap: 8px; }
#flxApp .xr-item { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)) auto; gap: 6px; align-items: end; padding: 8px 10px; border: 1px solid var(--bm-line); border-radius: 12px; background: var(--bm-surface); }
#flxApp .xr-item .ic-field { gap: 3px; }
#flxApp .xr-item .ic-field label { font-size: .72rem; }
#flxApp .xr-item input, #flxApp .xr-item select { width: 100%; min-width: 0; min-height: 38px; padding: 4px 6px; border: 1px solid var(--bm-line); border-radius: 8px; font: inherit; font-size: .85rem; background: var(--bm-surface); color: var(--bm-ink); }
#flxApp .xr-item input:focus, #flxApp .xr-item select:focus { border-color: var(--bm-accent); outline: 3px solid var(--bm-accent-ring); }
#flxApp .xr-flex-stage { padding: 10px; border: 1px solid var(--bm-line); border-radius: 14px; background: var(--bm-bg); overflow-x: auto; }
#flxApp .xr-flex-box { min-height: 180px; outline: 2px dashed var(--bm-line-2, var(--bm-line)); outline-offset: 0; border-radius: 10px; background: var(--bm-surface); }
#flxApp .xr-flex-item { display: grid; place-items: center; min-height: 44px; padding: 8px 12px; border-radius: 8px; color: #0f172a; font-weight: 700; font-size: .82rem; white-space: nowrap; }
@media (max-width: 520px) { #flxApp .xr-item { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (forced-colors: active) { #flxApp .xr-flex-item { border: 1px solid CanvasText; } }