I'm struggling at customizing the footline of my beamer slides. I want them to be symetric with the title bar (rounded with inversed horizontal shading). So far, my footline has most of the properties I want but does not go at the extreme right of the slide. How can I address this issue?
Here is my mwe
\documentclass[]{beamer}
\usepackage{pgfplots}
%%%%%%%%%% frame title
\definecolor{titleleft}{rgb}{0.0, 0.75, 1.0}
\definecolor{titleright}{rgb}{0.94, 0.97, 1.0}
\setbeamercolor*{frametitle}{fg=white}
\makeatletter
\pgfdeclarehorizontalshading[titleleft,titleright]{beamer@frametitleshade}{0.7\paperheight}{%
color(10pt)=(titleleft);
color(0.91\paperwidth)=(titleright)}
\pgfdeclarehorizontalshading[titleright,titleleft]{beamer@bottomtitleshade}{0.7\paperheight}{%
color(10pt)=(titleright);
color(0.91\paperwidth)=(titleleft)}
\defbeamertemplate*{frametitle}{horizontal shading}
{%
\nointerlineskip%
\vskip+3pt%
\hbox{\leavevmode
\advance\beamer@leftmargin by -12bp%
\advance\beamer@rightmargin by -12bp%
\beamer@tempdim=\textwidth%
\advance\beamer@tempdim by \beamer@leftmargin%
\advance\beamer@tempdim by \beamer@rightmargin%
\hskip-\Gm@lmargin\hbox{%
\setbox\beamer@tempbox=\hbox{\begin{minipage}[b]{\paperwidth}%
\vbox{}\vskip-.75ex%
\leftskip1cm%
\rightskip0.1cm plus1fil\leavevmode
\insertframetitle%
\ifx\insertframesubtitle\@empty%
\strut\par%
\else
\par{\usebeamerfont*{framesubtitle}{\usebeamercolor[fg]{framesubtitle}\insertframesubtitle}\strut\par}%
\fi%
\nointerlineskip
\vbox{}%
\end{minipage}}%
\beamer@tempdim=\ht\beamer@tempbox%
\advance\beamer@tempdim by 2pt%
\begin{pgfpicture}{0pt}{0pt}{\paperwidth}{\beamer@tempdim}
\usebeamercolor{frametitle right}
% \pgfpathrectangle{\pgfpointorigin}{\pgfpoint{\paperwidth}{\beamer@tempdim}}
\pgfsetcornersarced{\pgfpoint{4mm}{4mm}}
\pgfpathrectanglecorners{\pgfpoint{.05\paperwidth}{0}}{\pgfpoint{.9\paperwidth}{\beamer@tempdim}}
\pgfusepath{clip}
\pgftext[left,base]{\pgfuseshading{beamer@frametitleshade}}
\end{pgfpicture}
\hskip-\paperwidth%
\box\beamer@tempbox%
}%
\hskip-\Gm@rmargin%
}%
\vskip-2pt
}
\makeatother
%%%%%%%%% end frame title
%%%%%%%%% footline
\makeatletter
\setbeamertemplate{footline}
{
\leavevmode%
\setbox\beamer@tempbox=\hbox{%
\begin{beamercolorbox}[wd=\textwidth,ht=5.25ex,dp=2ex,center]{blue}%
\end{beamercolorbox}%
}%
\beamer@tempdim=\ht\beamer@tempbox%
\advance\beamer@tempdim by 2pt%
\begin{pgfpicture}{0pt}{0pt}{\paperwidth}{15pt}
\usebeamercolor{frametitle right}
\pgfsetcornersarced{\pgfpoint{4mm}{4mm}}
\pgfpathrectanglecorners{\pgfpoint{.3\paperwidth}{0}}{\pgfpoint{\paperwidth}{\beamer@tempdim}}
\pgfusepath{clip}
\pgftext[base, left]{\pgfuseshading{beamer@bottomtitleshade}}
\end{pgfpicture}
\vskip-\beamer@tempdim%
\box\beamer@tempbox%
}%
\makeatother
\beamertemplatenavigationsymbolsempty
%%%%%%%%% end footline
\begin{document}
\begin{frame}
\frametitle{XXX}
\begin{itemize}
\item blablabla
\item blablabla
\item blablabal
\end{itemize}
\end{frame}
\end{document}