.course-navigation-shell[data-astro-cid-huifctlw]{z-index:20;width:min(var(--page-max-width), calc(100% - (2 * var(--spacing-md))));padding-top:var(--spacing-sm);font-family:var(--font-heading);margin:0 auto;position:relative}.course-navigation-context[data-astro-cid-huifctlw]{align-items:baseline;gap:var(--spacing-sm);margin-bottom:var(--spacing-xs);display:flex}.course-navigation-context[data-astro-cid-huifctlw] .wordmark[data-astro-cid-huifctlw]{font-family:var(--font-display);font-size:var(--text-xl);letter-spacing:.01em;color:var(--brand);font-weight:600;line-height:1;text-decoration:none}.course-navigation-context[data-astro-cid-huifctlw] .wordmark[data-astro-cid-huifctlw]:before{content:"";vertical-align:-.1em;border-radius:var(--radius-round);background:var(--brand-mark);print-color-adjust:exact;width:.9em;height:.9em;margin-inline-end:.3em;display:inline-block}.course-navigation-context[data-astro-cid-huifctlw] a[data-astro-cid-huifctlw]:not(.wordmark){color:var(--text-secondary);font-size:var(--text-sm);padding-block:max(0px, calc((var(--target-min-height) - 1lh) / 2));font-weight:500;text-decoration:none;display:inline-block}@media (pointer:coarse){.course-navigation-context[data-astro-cid-huifctlw] a[data-astro-cid-huifctlw]:not(.wordmark){--target-min-height:var(--control-min-height)}}.course-navigation-context[data-astro-cid-huifctlw] a[data-astro-cid-huifctlw]:not(.wordmark):hover,.course-navigation-context[data-astro-cid-huifctlw] a[data-astro-cid-huifctlw]:not(.wordmark):focus-visible{color:var(--text-primary);text-decoration:underline;text-decoration-color:var(--accent-primary)}.course-primary-nav[data-astro-cid-huifctlw]{align-items:center;gap:var(--spacing-xs);min-height:var(--control-min-height);border-bottom:var(--border-light);flex-wrap:wrap;display:flex}.course-primary-link[data-astro-cid-huifctlw],.course-nav-menu[data-astro-cid-huifctlw]>summary[data-astro-cid-huifctlw]{min-width:0;min-height:var(--control-min-height);padding:0 var(--spacing-xs);color:var(--text-secondary);font-size:var(--text-sm);cursor:pointer;align-items:center;font-weight:500;text-decoration:none;display:inline-flex}.course-primary-link[data-astro-cid-huifctlw]:hover,.course-primary-link[data-astro-cid-huifctlw]:focus-visible,.course-nav-menu[data-astro-cid-huifctlw]>summary[data-astro-cid-huifctlw]:hover,.course-nav-menu[data-astro-cid-huifctlw]>summary[data-astro-cid-huifctlw]:focus-visible,.course-primary-link[data-astro-cid-huifctlw].is-current,.course-nav-menu[data-astro-cid-huifctlw].is-current>summary[data-astro-cid-huifctlw],.course-nav-menu[data-astro-cid-huifctlw][open]>summary[data-astro-cid-huifctlw]{color:var(--text-primary)}.course-primary-link[data-astro-cid-huifctlw].is-current,.course-nav-menu[data-astro-cid-huifctlw].is-current>summary[data-astro-cid-huifctlw]{box-shadow:inset 0 -2px var(--brand)}.course-nav-menu[data-astro-cid-huifctlw]{margin:0;position:relative}.course-nav-menu[data-astro-cid-huifctlw]>summary[data-astro-cid-huifctlw]{box-sizing:border-box;width:100%;margin:0;list-style:none;display:flex}.course-nav-menu[data-astro-cid-huifctlw]>summary[data-astro-cid-huifctlw]::-webkit-details-marker{display:none}.course-nav-menu[data-astro-cid-huifctlw]>summary[data-astro-cid-huifctlw]:after{content:"▾";margin-left:var(--spacing-xs);font-size:var(--text-xs)}.course-nav-menu[data-astro-cid-huifctlw][open]>summary[data-astro-cid-huifctlw]:after{content:"▴"}.course-nav-popover[data-astro-cid-huifctlw]{box-sizing:border-box;top:calc(100% + var(--spacing-xs));min-width:calc(var(--spacing-xl) * 3);padding:var(--spacing-xs);border:var(--border-light);border-radius:var(--radius-md);background:var(--bg-surface);box-shadow:var(--shadow-md);display:grid;position:absolute;left:0}.course-nav-menu[data-astro-cid-huifctlw]:not([open]) .course-nav-popover[data-astro-cid-huifctlw]{display:none}.course-nav-popover[data-astro-cid-huifctlw] a[data-astro-cid-huifctlw]{min-height:var(--control-min-height);box-sizing:border-box;padding:var(--spacing-xs);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:var(--text-sm);align-items:center;font-weight:500;text-decoration:none;display:flex}.course-nav-popover[data-astro-cid-huifctlw] a[data-astro-cid-huifctlw]:hover,.course-nav-popover[data-astro-cid-huifctlw] a[data-astro-cid-huifctlw]:focus-visible,.course-nav-popover[data-astro-cid-huifctlw] a[data-astro-cid-huifctlw][aria-current=page]{background:var(--bg-surface-alt);color:var(--text-primary)}@media (width<=768px){.course-navigation-shell[data-astro-cid-huifctlw]{width:min(var(--page-max-width), calc(100% - (2 * var(--spacing-sm))))}}@media (width<=480px){.course-primary-nav[data-astro-cid-huifctlw]{border:var(--border-light);border-radius:var(--radius-sm);background:var(--bg-surface);grid-template-columns:repeat(2,minmax(0,1fr));gap:0;min-height:0;display:grid}.course-primary-link[data-astro-cid-huifctlw],.course-nav-menu[data-astro-cid-huifctlw]>summary[data-astro-cid-huifctlw]{text-align:center;justify-content:center}.course-primary-nav[data-astro-cid-huifctlw]:not(.course-instructor-nav)>.course-primary-link[data-astro-cid-huifctlw]:first-child,.course-primary-nav[data-astro-cid-huifctlw]:not(.course-instructor-nav)>.course-primary-link[data-astro-cid-huifctlw]:nth-child(3){border-right:var(--border-light)}.course-primary-nav[data-astro-cid-huifctlw]:not(.course-instructor-nav)>.course-primary-link[data-astro-cid-huifctlw]:nth-child(-n+2){border-bottom:var(--border-light)}.course-instructor-nav[data-astro-cid-huifctlw] .course-primary-link[data-astro-cid-huifctlw]:first-child{grid-column:1/-1}}