.boldpo-spacing-control {
    .boldpo-spacing-control__input {
        .components-input-control__container,
        .components-input-control__backdrop {
            border: none !important;
            box-shadow: none !important;
            border-radius: 0 !important;
        }
        .components-input-control__input {
            text-align: center;
            padding-inline: 4px;
        }
        /* Hide stepper buttons — group is already compact. */
        .components-number-control__spin {
            display: none;
        }
    }

    /* Subtle focus ring when one cell is active — pulls focus visually
     * without breaking the merged appearance. */
    .boldpo-spacing-control__input:focus-within {
        .components-input-control__backdrop {
            box-shadow: 0 0 0 1px var(--wp-admin-theme-color, #007cba) !important;
        }
    }
}