/* Shared, same-tab route back to the official homepage. */
.home-return{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border:1px solid #b8cce5;border-radius:9px;background:#eef5ff;color:#17477d!important;font-size:14px;font-weight:800;line-height:1.4;text-decoration:none;white-space:nowrap;flex-shrink:0}
.home-return:hover{background:#dceaff}.home-return:focus-visible{outline:3px solid #ffbd45;outline-offset:3px}
@media(max-width:600px){.topbar{gap:8px;padding-inline:12px}.top-actions{gap:8px}.top-actions>span{display:none}.logo b{display:none}.home-return{font-size:13px;padding-inline:10px}#course>header{gap:8px;padding-inline:12px}#course>header strong{display:none}}
@media(max-width:360px){.topbar .logo span{font-size:11px;padding:6px}.topbar .header-link{font-size:12px}.topbar .home-return{font-size:12px;padding-inline:8px}}