/* V13.8: navigation is consistently on the left beside the sidebar. */
.lti-v138-nav{display:flex;align-items:center;gap:9px;flex:0 0 auto;margin-right:14px}
.lti-v138-nav .btn{font-weight:700!important;border-radius:9px!important;padding:10px 14px!important;min-height:40px;white-space:nowrap;cursor:pointer}
.lti-v138-back{background:#1d4ed8!important;color:#fff!important;border:1px solid #1d4ed8!important}
.lti-v138-home{background:#0f766e!important;color:#fff!important;border:1px solid #0f766e!important}
.lti-v138-back:hover:not(:disabled){background:#1e40af!important}
.lti-v138-home:hover:not(:disabled){background:#115e59!important}
.lti-v138-back:disabled{opacity:.55!important;cursor:not-allowed!important}
.lti-v138-nav .btn:focus-visible{outline:3px solid #f59e0b!important;outline-offset:2px!important}
@media(max-width:1100px){.topbar{flex-wrap:wrap;gap:10px}.lti-v138-nav{order:-2}.topbar-left{order:-1}}
@media(max-width:580px){.lti-v138-nav{width:100%;gap:8px}.lti-v138-nav .btn{flex:1;font-size:12px!important;padding:9px 6px!important}}