/* Scope glow to the Lab entry and CTA. Ordinary Room steps are untouched. */
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight{position:relative;overflow:hidden;background:linear-gradient(115deg,#087769,#04617a)!important;color:#fff!important;border:1px solid #55d8c8!important;box-shadow:0 0 16px #0bbbab25!important;isolation:isolate}
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight em,.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight span{color:#fff!important}
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight::after,.hg-lab-jump::after{content:'';position:absolute;inset:-70% -35%;pointer-events:none;background:linear-gradient(110deg,transparent 42%,#ffffff3a 49%,transparent 56%);transform:translateX(-115%);animation:hg-lab-shimmer 9s ease-in-out infinite}
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight.active{outline:2px solid #42d6c1;outline-offset:2px}
.hg-lab-jump-card{border:1px solid #9fd7cd;border-radius:16px;background:linear-gradient(115deg,#eefaf6,#eaf5f9);padding:22px;margin:22px 0;color:#163d3b;line-height:1.8}
.hg-lab-jump-card strong{color:#164a42;font-size:18px}.hg-lab-jump-card p{font-size:15px;color:#335956;margin:9px 0 16px}
.hg-lab-jump{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 23px;border-radius:10px;background:linear-gradient(105deg,#087b69,#087896);color:#fff!important;text-decoration:none!important;font-weight:700;box-shadow:0 5px 15px #0d8f7830}
.hg-lab-jump:focus-visible{outline:3px solid #1094c0;outline-offset:4px}#interactive-lab{scroll-margin-top:100px}
.hgls-image-diagram{max-width:100%}.hgls-image-diagram img{max-width:100%;height:auto;display:block}
@keyframes hg-lab-shimmer{0%,60%{transform:translateX(-115%)}80%,100%{transform:translateX(115%)}}
@media(prefers-reduced-motion:reduce){.hg-lab-jump::after,.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight::after{animation:none;display:none}}
@media(max-width:480px){.hg-lab-jump-card{padding:16px}.hg-lab-jump{width:100%;box-sizing:border-box;font-size:14px}}

.hg-lab-invite[hidden]{display:none!important}

/* 2.5.1: Lab navigation has its own readable palette in BOTH site themes.
   Explicit number badge background prevents white text on Academy's pale badge. */
.hga-room-shell .hga-step-nav .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight,
.hga-room-shell button.hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight,
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight.active {
 background:linear-gradient(115deg,#066256,#074861)!important;
 background-color:#065748!important;color:#fff!important;opacity:1!important;
 border:1px solid #169b8f!important;box-shadow:0 0 12px #0b94772b!important;
}
.hga-room-shell button.hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight.active,
.hga-room-shell .hga-step-nav .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight.active{
 background:linear-gradient(115deg,#064c45,#063846)!important;color:#fff!important;
 border-color:#20aa97!important;outline:2px solid #15897d;outline-offset:2px;
}
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight em,
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight.active em {
 color:#fff!important;opacity:1!important;position:relative;z-index:1;
}
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight span,
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight.active span {
 background:#d9fff2!important;color:#073e36!important;border:1px solid #8fe5ce!important;
 opacity:1!important;position:relative;z-index:1;font-weight:800;
}
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight:hover{
 background:linear-gradient(115deg,#075a50,#075064)!important;color:#fff!important;
}
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight:focus-visible{outline:3px solid #139883!important;outline-offset:4px}
.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight::after{z-index:0}
@media(forced-colors:active){.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight{background:ButtonFace!important;color:ButtonText!important;border:2px solid ButtonText!important}.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight span,.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight em{background:ButtonFace!important;color:ButtonText!important}.hga-room-shell .hga-step-nav-btn.hg-lab-nav-highlight.hg-lab-nav-highlight::after{display:none}}