.app-shell--student .app-nav{justify-content:space-between;gap:12px}.app-shell--student .app-nav__brand,.app-shell--student .app-nav__wordmark{min-width:0}.app-shell--student .app-nav__name{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-shell--student .app-nav__end{flex:none;margin-left:auto;gap:6px}.app-shell--student .app-nav__end .theme-controls{gap:0!important}.app-shell--student .app-nav__end :is(.ws-notifications-button,.workspace-appearance-button,.theme-controls>button,.app-nav__account){display:grid;place-items:center;width:44px;height:44px;min-height:44px;padding:0;flex:none;border-radius:50%}.app-shell--student .app-nav__avatar{width:40px;height:40px}.app-shell--student .app-nav__links{background:var(--surface);border:1px solid var(--line)}.app-shell--student .app-nav__link{color:var(--ink)}.app-shell--student .app-nav__link:hover{background:var(--surface-2);color:var(--ink)}.app-shell--student .app-nav__link[aria-current=page]{background:var(--action-ink);color:var(--action-on-ink)}.student-workspace{width:100%;min-width:0;margin-inline:auto;flex:1 1;container:student-layout/inline-size}.student-workspace__layout{display:flex;flex-direction:column;gap:24px;padding:24px 16px calc(32px + env(safe-area-inset-bottom, 0px))}.student-workspace__content{min-width:0;display:flex;flex-direction:column;gap:32px;flex:1 1}.app-shell--student .student-workspace .app-main{width:100%;max-width:none;min-width:0;margin:0;padding:0}.app-shell--student .student-workspace .app-footer{margin:auto 0 0}.app-shell--student .student-workspace .app-footer__inner{padding:28px 20px 32px}.student-navigation{min-width:0;border:1px solid var(--line);border-radius:28px;padding:18px;background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm)}.student-navigation__head{display:none}.student-navigation__body{min-width:0}.student-navigation__toggle{display:grid;place-items:center;flex:none;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:50%;background:var(--surface-2);color:var(--ink);cursor:pointer}.student-navigation__toggle:active{background:var(--pastel-lilac)}.student-navigation__toggle:focus-visible{outline:2px solid var(--focus-color);outline-offset:2px}.student-navigation__brand{display:none;align-items:flex-start;gap:10px;min-width:0;color:var(--ink);text-decoration:none}.student-navigation__brand>span{min-width:0;display:grid;grid-gap:3px;gap:3px}.student-navigation__brand strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:650;line-height:1.5}.student-navigation__brand small{color:var(--ink-2);font-size:11px;line-height:1.5}.student-navigation__links{display:none}.student-navigation__links>a{display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 12px;border-radius:99px;color:var(--ink);text-decoration:none;font-size:.8125rem;line-height:1.4;font-weight:600;transition:background-color .16s ease,color .16s ease}.student-navigation__links>a>svg{flex:none}.student-navigation__label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-navigation-tooltip{position:fixed;z-index:110;max-width:min(240px,calc(100vw - 108px));padding:9px 13px;border:1px solid var(--line-strong);border-radius:12px;background:var(--surface);color:var(--ink);font:600 13px/1.4 var(--font-sans);transform:translateY(-50%);box-shadow:var(--shadow-md);pointer-events:none}.student-navigation__links>a:hover{background:var(--surface-2)}.student-navigation__links>a[aria-current=page]{background:var(--action-ink);color:var(--action-on-ink)}.student-navigation__brand:focus-visible,.student-navigation__links>a:focus-visible{outline:2px solid var(--focus-color);outline-offset:3px}.student-navigation-dock{display:none}@media (max-width:1199px){.app-shell--student .app-nav__links{display:none}}@container student-layout (min-width: 720px){.student-workspace__layout{padding:24px 24px 40px}.student-navigation{padding:6px;border-radius:24px}.student-navigation__links{display:flex;gap:4px}.student-navigation__links>a{flex:0 0 auto;justify-content:center}}@container student-layout (min-width: 1200px){.student-workspace__layout{display:grid;grid-template-columns:208px minmax(0,1fr);align-items:start;grid-gap:32px;gap:32px;padding:28px 32px 40px}.student-navigation{position:-webkit-sticky;position:sticky;top:calc(var(--topbar-h, 64px) + 24px);max-height:calc(100dvh - var(--topbar-h, 64px) - 48px);overflow-y:auto;padding:24px 16px;border-radius:28px}.student-navigation__brand{display:flex;margin-bottom:20px}.student-navigation__links{display:flex;flex-direction:column;align-items:stretch;gap:4px}.student-navigation__links>a{flex:none;justify-content:flex-start}.student-navigation{scrollbar-width:thin;scrollbar-color:var(--ink-3) transparent}@supports selector(::-webkit-scrollbar){.student-navigation{scrollbar-width:auto;scrollbar-color:auto}.student-navigation::-webkit-scrollbar{width:8px}.student-navigation::-webkit-scrollbar-track{background:transparent;margin-block:18px}.student-navigation::-webkit-scrollbar-thumb{background:var(--ink-3);border:2px solid transparent;background-clip:padding-box;border-radius:99px}.student-navigation::-webkit-scrollbar-button{width:0;height:0;display:none}}}@media (max-width:719px){.student-workspace{container-type:normal}.student-workspace__layout{padding-bottom:calc(112px + env(safe-area-inset-bottom, 0px))}.student-navigation{display:none}.student-navigation-dock{--glass-solid:var(--surface);--glass-fill:color-mix(in srgb,var(--surface) 88%,transparent);--glass-blur-mobile:8px;position:fixed;inset-inline:max(12px,env(safe-area-inset-left,0px)) max(12px,env(safe-area-inset-right,0px));bottom:calc(12px + env(safe-area-inset-bottom, 0px));z-index:var(--z-dropdown);display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);grid-gap:2px;gap:2px;max-width:480px;margin-inline:auto;padding:6px;border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:var(--shadow-lg)}.student-navigation-dock__link{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:44px;min-height:56px;padding:7px 2px;border-radius:18px;color:var(--ink-2);font-size:11px;font-weight:600;line-height:1.2;text-decoration:none;transition:background-color .16s ease,color .16s ease}.student-navigation-dock__link svg{flex:none}.student-navigation-dock__link:hover{color:var(--ink);background:var(--surface-2)}.student-navigation-dock__link[aria-current=page]{background:var(--action-ink);color:var(--action-on-ink)}.student-navigation-dock__link:focus-visible{outline:2px solid var(--focus-color);outline-offset:2px}.student-workspace__content :is(button,a,input,textarea,select,[tabindex]){scroll-margin-bottom:calc(104px + env(safe-area-inset-bottom, 0px))}.app-shell--student .app-nav{padding-inline:16px;gap:10px}.app-shell--student .app-nav__end{gap:4px}.app-shell--student .app-nav__wordmark{max-width:none}.app-shell--student .app-nav__name{font-size:16px}.app-shell--student .app-nav__tagline{display:none}.app-shell--student .toast-stack{bottom:calc(16px + env(safe-area-inset-bottom))}.app-shell--student.app-shell--bnav .toast-stack{bottom:calc(96px + env(safe-area-inset-bottom, 0px))}}@media (prefers-reduced-motion:reduce){.student-navigation-dock__link,.student-navigation__links>a{transition:none}}@media (forced-colors:active){.student-navigation,.student-navigation-dock{background:Canvas;color:CanvasText;border-color:CanvasText;scrollbar-width:auto;scrollbar-color:auto}.student-navigation-dock__link[aria-current=page],.student-navigation__links>a[aria-current=page]{outline:2px solid Highlight;outline-offset:-3px}}@media (max-width:719px){html .student-navigation-dock{grid-auto-flow:column;grid-template-columns:none;grid-auto-columns:minmax(0,1fr);max-width:30rem}html .student-navigation-dock__link{min-width:0;font-size:.6875rem;overflow-wrap:normal;white-space:normal;text-align:center}.student-navigation-dock__link>span,.student-tools-trigger--dock>span{min-width:0;max-width:100%;overflow-wrap:anywhere}html .student-workspace__layout{padding-bottom:calc(6rem + var(--s-5) + env(safe-area-inset-bottom, 0px))}html .student-workspace__content :is(button,a,input,textarea,select,[tabindex]){scroll-margin-bottom:calc(6rem + env(safe-area-inset-bottom, 0px))}}@media (min-width:1200px){.student-workspace{--student-sidebar-width:208px}.student-workspace[data-sidebar-collapsed=true]{--student-sidebar-width:72px}.student-workspace .student-workspace__layout{display:grid;grid-template-columns:var(--student-sidebar-width) minmax(0,1fr);align-items:start;grid-gap:20px;gap:20px;padding:20px clamp(16px,1.5vw,24px) 32px}.student-workspace[data-sidebar-ready=true] .student-workspace__layout{transition:grid-template-columns .18s ease,gap .18s ease}.student-navigation{position:-webkit-sticky;position:sticky;top:calc(var(--topbar-h, 64px) + 20px);max-height:calc(100dvh - var(--topbar-h, 64px) - 40px);overflow-y:auto;padding:16px 12px;border-radius:28px}.student-navigation__head{display:flex;align-items:center;gap:6px;margin-bottom:16px}.student-navigation__brand{display:flex;flex:1 1 auto;min-width:0;gap:8px;margin:0;align-items:center}.student-navigation__brand>span{overflow:hidden}.student-navigation__brand small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-navigation__links{display:flex;flex-direction:column;gap:6px}.student-navigation__links>a{flex:none;justify-content:flex-start}.student-navigation[data-collapsed=true]{padding:12px 8px;border-radius:36px}.student-navigation[data-collapsed=true] .student-navigation__head{justify-content:center}.student-navigation[data-collapsed=true] .student-navigation__brand{display:none}.student-navigation[data-collapsed=true] .student-navigation__links{align-items:center;gap:8px}.student-navigation[data-collapsed=true] .student-navigation__links>a{width:44px;height:44px;padding:0;gap:0;justify-content:center;border-radius:50%}.student-navigation[data-collapsed=true] .student-navigation__label{max-width:0;opacity:0}}@media (min-width:720px){.app-shell--student>.app-main{max-width:none;padding-inline:clamp(16px,1.5vw,24px)}}@media (prefers-reduced-motion:reduce){.student-workspace[data-sidebar-ready=true] .student-workspace__layout{transition:none}}@media (forced-colors:active){.student-navigation-tooltip,html[data-transparency] .app-shell.app-shell--student .student-navigation[data-collapsed=true]{background:Canvas;color:CanvasText;border-color:CanvasText}.student-navigation[data-collapsed=true] :is(.student-navigation__toggle,.student-navigation__links>a){color:CanvasText}.student-navigation[data-collapsed=true] .student-navigation__links>a[aria-current=page]{background:Highlight;color:HighlightText}}.student-tools-trigger{display:inline-flex;align-items:center;justify-content:center;gap:var(--s-3);min-height:calc(var(--s-9) + var(--s-2));padding:var(--s-3) var(--s-4);border:0;border-radius:var(--r-full);background:transparent;color:var(--ink);font:var(--fw-semibold) var(--fs-sm)/var(--lh-normal) var(--font-sans);cursor:pointer;transition:background-color var(--dur-fast) var(--ease-standard),color var(--dur-fast) var(--ease-standard)}.student-tools-trigger>svg{flex:none}.student-tools-trigger:hover{background:var(--surface-2)}.student-tools-trigger[data-active=true]{background:var(--action-ink);color:var(--action-on-ink)}.student-reader-navigation>a:focus-visible,.student-tools a:focus-visible,.student-tools-trigger:focus-visible{outline:2px solid var(--focus-color);outline-offset:2px}.student-tools-trigger--rail{display:flex;justify-content:flex-start;flex:none;width:100%;margin-top:var(--s-3);border-top:1px solid var(--line);border-radius:var(--r-md)}.app-shell--bnav .app-nav .student-tools-trigger--header{display:none}.student-reader-navigation{display:flex;align-items:center;justify-content:space-between;flex:none;gap:var(--s-4);padding:var(--s-1) max(var(--s-3),env(safe-area-inset-right,0px)) var(--s-1) max(var(--s-3),env(safe-area-inset-left,0px));border-bottom:1px solid var(--line);background:var(--surface);color:var(--ink)}.student-reader-navigation>a{display:inline-flex;align-items:center;gap:var(--s-2);min-height:calc(var(--s-9) + var(--s-2));padding-inline:var(--s-3);border-radius:var(--r-full);color:inherit;font-size:var(--fs-sm);font-weight:var(--fw-semibold);text-decoration:none}.student-tools{min-width:0;display:grid;grid-gap:var(--s-7);gap:var(--s-7)}.student-tools__intro{margin:0;color:var(--ink-2);font-size:var(--fs-sm);line-height:var(--lh-normal)}.student-tools__destinations{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:var(--s-2);gap:var(--s-2)}.student-tools a{display:flex;align-items:center;gap:var(--s-3);min-width:0;min-height:var(--s-10);padding:var(--s-3) var(--s-4);border-radius:var(--r-md);color:var(--ink);font-size:var(--fs-sm);font-weight:var(--fw-medium);text-decoration:none}.student-tools a>svg{flex:none}.student-tools a>svg:last-child{margin-left:auto}.student-tools a>span{min-width:0;overflow-wrap:anywhere}.student-tools a:hover{background:var(--surface-2)}.student-tools a[aria-current=page]{background:var(--pastel-lilac);color:var(--pastel-ink)}.student-tools__study{display:grid;grid-gap:var(--s-3);gap:var(--s-3);padding-top:var(--s-5);border-top:1px solid var(--line)}.student-tools__study h2{margin:0;font-size:var(--fs-base);font-weight:var(--fw-semibold);color:var(--ink)}.student-tools__study nav{display:grid;grid-gap:var(--s-1);gap:var(--s-1)}.student-tools__study strong{display:block;font-weight:var(--fw-semibold)}.student-tools__study small{display:block;color:var(--ink-2);margin-top:var(--s-1);font-size:var(--fs-xs);line-height:var(--lh-normal)}.modal-overlay:has(.student-tools) .modal{max-height:calc(100dvh - var(--s-8) - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px))}@media (min-width:1200px){.student-navigation[data-collapsed=true] .student-tools-trigger--rail{width:calc(var(--s-9) + var(--s-2));height:calc(var(--s-9) + var(--s-2));margin-inline:auto;padding:0;justify-content:center;border-radius:var(--r-full)}.student-navigation[data-collapsed=true] .student-tools-trigger--rail>span{display:none}}@media (max-width:1199px) and (min-width:720px){.student-navigation__body{display:flex;align-items:center;gap:8px}.student-navigation__links{flex:1 1 auto;min-width:0;flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-inline:contain;scroll-behavior:auto;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;padding:4px}.student-navigation__links>a{flex:0 0 auto}.student-tools-trigger--rail{width:auto;margin:0;border:1px solid var(--line);border-radius:var(--r-full);background:var(--surface-2);white-space:nowrap}}@media (max-width:719px){.student-tools-trigger--dock{flex-direction:column;gap:var(--s-2);min-height:calc(var(--s-11) - var(--s-3));min-width:0;padding:var(--s-3) var(--s-1);border-radius:var(--r-lg);color:var(--ink-2);font-size:var(--fs-2xs);line-height:var(--lh-tight)}.app-nav .student-tools-trigger--header{width:calc(var(--s-9) + var(--s-2));padding:0}.app-nav .student-tools-trigger--header>span{display:none}.modal-overlay:has(.student-tools){align-items:flex-end;padding:max(var(--s-5),env(safe-area-inset-top,0px)) max(var(--s-3),env(safe-area-inset-right,0px)) max(var(--s-3),env(safe-area-inset-bottom,0px)) max(var(--s-3),env(safe-area-inset-left,0px))}.modal-overlay:has(.student-tools) .modal{width:100%;border-radius:var(--r-xl)}}@media (max-width:359px){.student-tools__destinations{grid-template-columns:minmax(0,1fr)}}@media (prefers-reduced-motion:reduce){.student-tools-trigger{transition:none}}@media (forced-colors:active){.student-tools a[aria-current=page],.student-tools-trigger[data-active=true]{outline:2px solid Highlight;outline-offset:-2px}}