/* Exam layer isolation: Global navigation is never interactive above an active exam.
 * Only an actual Academic form or an active Khaga attempt enables this class. */
html.bb-secure-exam-layer .bb-mobile-head,
html.bb-secure-exam-layer .bbm-mobile-bottom,
html.bb-secure-exam-layer .bb-mobile-overlay,
html.bb-secure-exam-layer .bbg-global-streak,
html.bb-secure-exam-layer .bbg-streak-feature{
 visibility:hidden!important;pointer-events:none!important;user-select:none!important;
}
html.bb-secure-exam-layer body{--bb-exam-mobile-top:env(safe-area-inset-top,0px)}
html.bb-secure-exam-layer body .bbmcq-side,
html.bb-secure-exam-layer body #bbmcqStudentNav {pointer-events:none!important}
html.bb-secure-exam-layer .bb-exam-topbar{top:max(6px,env(safe-area-inset-top,0px))!important;z-index:2147482000!important}
html.bb-secure-exam-layer #bbcl-fixed-hud{z-index:2147482000!important;top:max(0px,env(safe-area-inset-top,0px))!important}
/* Bottom-bar suppression frees legitimate question and answer space on phones. */
@media(max-width:920px){
 html.bb-secure-exam-layer .bbmcq-side{visibility:hidden!important;pointer-events:none!important}
 html.bb-secure-exam-layer .bb-exam-wrap{padding-top:145px!important}
 html.bb-secure-exam-layer .bbmcq-content{padding-bottom:22px!important}
 html.bb-secure-exam-layer .bb-exam-topbar{left:8px!important;right:8px!important;top:max(5px,env(safe-area-inset-top,0px))!important}
 html.bb-secure-exam-layer .bb-mobile-nav-drawer:not([hidden]),
 html.bb-secure-exam-layer .bb-mobile-nav-backdrop:not([hidden]){visibility:visible!important;pointer-events:auto!important}
}
html.bb-secure-exam-layer body .bbcl-dialog-backdrop,
html.bb-secure-exam-layer body .bbcl-ending-overlay{z-index:2147482500!important}