.study-header-menu-frame{width:min(360px,calc(100vw - 32px))}.study-header-menu-surface{--popover-max-height: min(480px, calc(100dvh - var(--popover-top, 56px) - 26px));max-height:var(--popover-max-height);overflow-y:auto;overscroll-behavior:contain;padding:12px;border:1px solid var(--edu-border-decorative);border-radius:var(--radius-control);background:var(--edu-surface-card);box-shadow:0 12px 32px rgb(var(--edu-shadow-ink-rgb) / .1)}.study-header-menu-item{display:flex;align-items:center;min-height:48px;padding:12px;border-radius:var(--radius-control-inner);color:var(--edu-text-primary);font-size:14px;font-weight:650;text-decoration:none}.study-header-menu-item:hover,.study-header-menu-item:focus-visible{background:var(--edu-surface-page)}.study-header-menu-item:focus-visible{outline:2px solid var(--edu-focus-ring);outline-offset:-2px}.study-header-popover[data-v-829e490a]{position:relative;min-width:0}.study-header-popover__bridge[data-v-829e490a]{position:absolute;top:100%;left:0;z-index:80;padding-top:10px}.study-header-popover__bridge--right[data-v-829e490a]{left:auto;right:0}.study-header-popover__panel--contained[data-v-829e490a]{display:flex;flex-direction:column;height:var(--popover-max-height);overflow:hidden}@media (max-width: 640px){.study-header-popover__bridge[data-v-829e490a]{position:fixed;top:var(--popover-top);left:16px;right:16px;width:auto}}