.AppBar_bar__rZBke{position:-webkit-sticky;position:sticky;top:0;z-index:20;min-height:68px;display:flex;align-items:center;gap:var(--ds-dimension-space-xl);padding:0 var(--ds-dimension-space-xl);background:var(--ds-color-surface-card);border-bottom:1px solid var(--ds-color-border-control);box-shadow:0 8px 22px color-mix(in srgb,var(--ds-color-primary-950) 4%,transparent)}.AppBar_brand__k6BXk{display:flex;align-items:center;gap:var(--ds-dimension-space-md);flex:none}.AppBar_sep__E8c__{width:1px;height:20px;background:var(--ds-color-border-control)}.AppBar_role__TJSX5{font-size:14px;font-weight:400;color:var(--ds-color-text-muted);white-space:nowrap}.AppBar_nav__PY4GG{display:flex;align-self:stretch;gap:18px;min-width:0}.AppBar_item___pxgx{position:relative;display:flex;align-items:center;gap:7px;min-height:44px;white-space:nowrap;font-size:13px;font-weight:500;color:var(--ds-color-text-muted);transition:color .18s var(--ease-soft)}.AppBar_item___pxgx:after{content:"";position:absolute;left:0;right:0;bottom:10px;height:2px;border-radius:2px;background:var(--ds-color-primary-500);transform:scaleX(0);transition:transform .18s var(--ease-soft)}.AppBar_item___pxgx:hover,.AppBar_item___pxgx[data-active]{color:var(--ds-color-primary-700)}.AppBar_item___pxgx[data-active]:after{transform:scaleX(1)}.AppBar_user__6gBoa{margin-left:auto;display:flex;align-items:center;gap:var(--ds-dimension-space-md);flex:none}.AppBar_who__iNRUn{display:flex;flex-direction:column;align-items:flex-end;line-height:1.3}.AppBar_who__iNRUn strong{font-size:14px;font-weight:500;color:var(--ds-color-text-heading);white-space:nowrap}.AppBar_who__iNRUn small{font-size:13px;color:var(--ds-color-text-muted)}.AppBar_avatar__fNzFI{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--ds-color-primary-50);color:var(--ds-color-primary-700);font-size:15px;font-weight:600}.AppBar_logout__uStlB{display:inline-flex;align-items:center;gap:var(--ds-dimension-space-xs-plus);min-height:44px;padding:0 var(--ds-dimension-space-sm);border:0;border-radius:var(--ds-dimension-radius-cta);background:none;cursor:pointer;font-size:13px;font-weight:500;color:var(--ds-color-text-muted);transition:color .18s var(--ease-soft),background-color .18s var(--ease-soft)}.AppBar_logout__uStlB:hover,.AppBar_logout__uStlB[data-active]{color:var(--ds-color-primary-700);background:var(--ds-color-primary-50)}.AppBar_ext__jYABi{display:inline-flex;align-items:center;gap:var(--ds-dimension-space-xs-plus);min-height:44px;padding:0 var(--ds-dimension-space-sm);font-size:14px;font-weight:500;color:var(--ds-color-primary-700)}.AppBar_ext__jYABi:hover{text-decoration:underline}@media (max-width:1760px){.AppBar_ext__jYABi span,.AppBar_logout__uStlB span,.AppBar_who__iNRUn{display:none}}@media (max-width:1500px){.AppBar_bar__rZBke{flex-wrap:wrap;row-gap:0;padding:0 var(--page-gutter)}.AppBar_brand__k6BXk{min-height:60px}.AppBar_nav__PY4GG{order:3;flex:1 0 100%;align-self:auto;margin:0 calc(-1 * var(--page-gutter));padding:0 var(--page-gutter);overflow-x:auto;scrollbar-width:none;border-top:1px solid var(--ds-color-border-divider)}.AppBar_nav__PY4GG::-webkit-scrollbar{display:none}.AppBar_item___pxgx{min-height:48px}.AppBar_item___pxgx:after{bottom:0}}@media (max-width:760px){.AppBar_nav__PY4GG{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:0;gap:0;overflow:visible}.AppBar_item___pxgx{flex-direction:column;justify-content:center;gap:4px;min-height:56px;padding:6px 2px;white-space:normal;text-align:center;line-height:1.2;font-size:11px}.AppBar_item___pxgx:after{left:20%;right:20%;bottom:2px}}@media (max-width:600px){.AppBar_ext__jYABi span,.AppBar_logout__uStlB span,.AppBar_role__TJSX5,.AppBar_sep__E8c__,.AppBar_who__iNRUn{display:none}.AppBar_user__6gBoa{gap:var(--ds-dimension-space-xs)}}@media print{.AppBar_bar__rZBke{display:none}}.Brand_lockup__mRHrT{display:inline-flex;align-items:center;gap:var(--ds-dimension-space-sm)}.Brand_word__g2quE{font-weight:600;color:var(--ds-color-text-heading);letter-spacing:var(--ds-letter-spacing-headline)}.teacherGuide_bar__rlP77{display:flex;align-items:center;min-height:64px;padding:0 var(--page-gutter);background:var(--ds-color-surface-card);border-bottom:1px solid var(--ds-color-border-control)}