.nav button::before{font-family:"Segoe UI Symbol","Segoe UI Emoji","Segoe UI",Arial,sans-serif !important;font-size:21px !important;font-weight:900 !important;line-height:1 !important;}
.nav button[data-page="overview"]::before{content:'⌂' !important;}
.nav button[data-page="operator"]::before{content:'⏱' !important;}
.nav button[data-page="production"]::before{content:'▥' !important;}
.nav button[data-page="benchmark"]::before{content:'⇄' !important;}
.nav button[data-page="baseline"]::before{content:'◎' !important;}
.nav button[data-page="waste"]::before{content:'⚠' !important;}
.nav button[data-page="massbalance"]::before{content:'⚖' !important;}
.nav button[data-page="maturity"]::before{content:'⚡' !important;}
.nav button[data-page="demand"]::before{content:'◉' !important;}
.nav button[data-page="loadshed"]::before{content:'⏻' !important;}
.nav button[data-page="forecast"]::before{content:'☁' !important;}
.nav button[data-page="cost"]::before{content:'$' !important;}
.nav button[data-page="emissions"]::before{content:'♻' !important;}
.nav button[data-page="engineering"]::before{content:'▤' !important;}
.nav button[data-page="config"]::before{content:'☷' !important;}
.nav button[data-page="security"]::before{content:'🛡' !important;font-size:19px !important;}
.nav button[data-page="architecture"]::before{content:'⚙' !important;}