:root{--page-width:80%;--binder-max-width:980px;--tab-height:28px;--tab-active-height:32px;--border-radius:8px;--shadow-color:rgba(0,0,0,0.2)}.binder__tab:after{right:-.4em;width:.8em}.binder__navigation{margin-bottom:1rem;display:flex;align-items:center}.binder__navigation--paper{position:sticky;top:0;z-index:6;background:#fff;padding-bottom:.5rem;margin-bottom:1rem}@media(min-width:769px){.binder__navigation--paper{display:none}}@media(max-width:768px){.binder__navigation--paper{display:flex}}.binder__tabsDropdown{margin-bottom:1rem}.binder__tabsDropdown>summary{list-style:none;cursor:pointer;padding:.6rem .8rem;border:1px solid #e5e7eb;border-radius:6px;background:#f9fafb;font-weight:600}.binder__tabs--dropdown{display:flex;flex-direction:column;gap:.5rem;margin-top:.75rem}@media(max-width:768px){.binder__tabs--top{display:none}.binder__tabsDropdown{display:block}}@media(min-width:769px){.binder__tabsDropdown{display:none}}.binder__header{padding:0;margin:0 auto 10rem}.binder,.binder__header{max-width:var(--page-width)}.binder{position:relative;margin:0 auto 2rem;padding:2.5rem 2rem;background:#fff;border-radius:0 12px 12px 12px;box-shadow:0 20px 40px rgba(1,42,133,.08),0 8px 20px rgba(1,42,133,.04);isolation:isolate;z-index:2}.binder:before{content:"";position:absolute;inset:0;border-radius:0 8px 8px 8px;background:#fff;pointer-events:none;z-index:3}.binder__tabs{position:absolute;top:-42px;display:flex;gap:0;flex-wrap:wrap;list-style:none;margin:0;padding:0;z-index:1;align-items:flex-end}.binder__tabs--left{left:0}.binder__tabs--right{right:0;flex-direction:row-reverse}.binder__tab--teacher{background:#fef3c7;border-color:#fbbf24}.binder__tab--teacher:hover{background:#fde68a;color:#92400e}.binder__tab--teacher.is-active{background:#fef3c7;color:#92400e;border-left-color:#f59e0b;border-right-color:#f59e0b}@media(max-width:1024px){.binder__tabs-wrapper{position:absolute!important;left:-44px!important;top:0!important;bottom:0!important;max-height:calc(100vh - 2rem)!important;overflow-y:auto!important;overflow-x:visible!important;display:flex!important;flex-direction:column!important;gap:.5rem!important;z-index:10!important;padding:0!important;scrollbar-width:none!important;-webkit-overflow-scrolling:touch!important}.binder__tabs-wrapper::-webkit-scrollbar{display:none}.binder__tabs--left,.binder__tabs--right{position:static!important;left:auto!important;right:auto!important;top:auto!important;bottom:auto!important;display:flex!important;flex-direction:column!important;gap:.5rem!important;padding:0!important;margin:0!important}.binder__tab{display:flex!important;align-items:center!important;justify-content:center!important;flex-shrink:0!important;writing-mode:vertical-rl!important;text-orientation:mixed!important;width:38px!important;height:auto!important;min-height:100px!important;padding:10px 6px!important;font-size:13px!important;font-weight:600!important;line-height:1.3!important;text-align:center!important;margin:0!important;border-radius:0 8px 8px 0!important;white-space:nowrap!important;background:#f9fafb!important;border:1px solid #e5e7eb!important;border-left:none!important;color:#6b7280!important;text-decoration:none!important;text-shadow:none!important;box-shadow:2px 0 4px rgba(0,0,0,.05)!important;transition:all .2s ease!important;cursor:pointer!important;-webkit-user-select:none!important;-moz-user-select:none!important;user-select:none!important;-webkit-tap-highlight-color:rgba(0,0,0,0)!important;float:none!important;background-image:none!important}.binder__tab:hover{background:#e5e7eb!important;color:#374151!important}.binder__tab:active{transform:translateX(3px)!important;background:#d1d5db!important}.binder__tab.is-active{background:#eff6ff!important;background-image:none!important;color:#003087!important;text-shadow:none!important;border:1px solid #bfdbfe!important;border-left:4px solid #003087!important;box-shadow:2px 0 8px rgba(0,48,135,.15)!important;transform:translateX(0)!important;font-weight:700!important}.binder__tab--teacher{background:#fef3c7!important;border-color:#fbbf24!important;color:#92400e!important}.binder__tab--teacher:hover{background:#fde68a!important;color:#78350f!important}.binder__tab--teacher.is-active{background:#fef3c7!important;color:#92400e!important;border:1px solid #fbbf24!important;border-left:4px solid #f59e0b!important}.binder{margin:0 0 1rem 44px!important;max-width:calc(100% - 44px)!important;padding:1.5rem 0!important}}.binder__tab{position:relative;float:left;background:#fff;padding:.75em 1.2em!important;text-decoration:none;color:#6b7280;font-size:.875rem;font-weight:600;cursor:pointer;white-space:nowrap;overflow:visible;transition:all .2s ease;border-radius:6px 6px 0 0;border:none;border-top:1px solid #e5e7eb;box-shadow:inset 0 1px 0 rgba(255,255,255,.9),-2px 0 4px rgba(0,0,0,.08),-1px 0 2px rgba(0,0,0,.06),0 2px 4px rgba(0,0,0,.05),0 1px 2px rgba(0,0,0,.03);margin:0 1px 0 0}.binder__tab:hover{background:#f9fafb;color:#374151;box-shadow:inset 0 1px 0 #fff,-3px 0 8px rgba(0,0,0,.12),-2px 0 4px rgba(0,0,0,.08),0 3px 6px rgba(0,0,0,.08),0 2px 4px rgba(0,0,0,.05);transform:translateY(-1px);z-index:5}.binder__tab:focus{outline:0}.binder__tab.is-active{background:#0d2f81;z-index:6;color:#fff;margin-bottom:0;padding-bottom:.75em!important;border-radius:12px 12px 0 0;border:none;font-weight:700;transform:scaleY(1.1) translateY(-2px);box-shadow:0 -2px 10px rgba(0,0,0,.1)}.binder__tab:not(.is-active){background:#f3f4f6;color:#4b5563;border:none;border-radius:10px 10px 0 0;margin-top:4px;margin-right:2px}.binder__tab.is-active .tab-icon-wrapper{color:#fff;filter:none}.binder__tab:hover:not(.is-active){background:#e5e7eb;transform:translateY(-2px)}@media(max-width:768px){.binder__header{max-width:100%;padding:0 .5rem;margin:1rem auto 2rem;margin-left:44px!important}.binder__title{font-size:1.5rem;line-height:1.3}.binder__desc{font-size:.9rem;line-height:1.5}.binder{margin:0 auto 1rem;padding:1.5rem 0;max-width:calc(100% - 44px)!important;border-radius:8px}.binder__tab{display:flex;align-items:center;justify-content:center;flex-shrink:0;writing-mode:vertical-rl;text-orientation:mixed;width:38px;height:auto;min-height:100px;padding:10px 6px;font-size:13px;font-weight:600;line-height:1.3;text-align:center;margin:0;border-radius:0 8px 8px 0;white-space:nowrap;background:#f9fafb;border:1px solid #e5e7eb;border-left:none;color:#6b7280;text-decoration:none;text-shadow:none;box-shadow:2px 0 4px rgba(0,0,0,.05);transition:all .2s ease;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:rgba(0,0,0,0)}.binder__tab:hover{background:#e5e7eb;color:#374151}.binder__tab:active{transform:translateX(3px);background:#d1d5db}.binder__tab.is-active{background:#eff6ff;background-image:none;color:#003087;text-shadow:none;border:1px solid #bfdbfe;border-left:4px solid #003087;box-shadow:2px 0 8px rgba(0,48,135,.15);transform:translateX(0);font-weight:700}.binder{margin-left:44px!important;margin-right:44px!important}.binder__paper{padding:0}.binder__content{margin-top:0;line-height:1.6}}@media(max-width:480px){.binder__header{padding:0 .5rem;margin-bottom:1.5rem;margin-left:44px!important}.binder__title{font-size:1.25rem}.binder{padding:1rem 0;margin:0 0 1rem 44px!important;max-width:calc(100% - 44px)!important}.binder__tab{width:38px;min-height:100px;padding:10px 6px;font-size:13px;writing-mode:vertical-rl;text-orientation:mixed}}.binder__paper{position:relative;z-index:5}.binder__content-wrapper{display:flex;gap:2rem;align-items:flex-start;min-height:0}.binder__sidebar{flex-shrink:0;width:320px;position:sticky;top:1rem;display:none;overflow:visible;max-height:calc(100vh - 8rem);transition:transform .3s ease,opacity .3s ease;align-self:flex-start}@media(min-width:769px){.binder__sidebar{display:block}.binder__sidebar:not(:has([data-sidebar-hidden=true])){display:block!important}.binder__sidebar--open{transform:translateX(0);opacity:1}.binder__sidebar--closed{width:60px;overflow:hidden}.binder__sidebar--closed .course-navigation{overflow:hidden;width:100%}.binder__sidebar--closed .course-navigation .custom-scrollbar{display:none!important}.binder__sidebar--closed .course-navigation nav>div:first-child{padding:14px 8px!important;justify-content:center!important}.binder__sidebar--closed .course-navigation nav>div:first-child>div>span:nth-child(2){display:none!important}.binder__sidebar--closed .course-navigation nav>div:first-child>div{justify-content:center!important;gap:4px!important}.binder__content-wrapper:not(.binder__content-wrapper--sidebar-open){gap:1rem}.binder__content-wrapper:not(.binder__content-wrapper--sidebar-open) .binder__content{width:100%}}@media(max-width:768px){.binder__sidebar{display:none!important}.binder__sidebar:has([data-examinator-sidebar=true]){display:block!important;width:100%!important;position:relative!important;top:auto!important;max-height:none!important;margin-bottom:1rem!important}.binder__content-wrapper{flex-direction:column;gap:0}.binder__content-wrapper:has([data-examinator-sidebar=true]){flex-direction:column;gap:1rem}}.binder__content{flex:1;min-width:0;margin-top:1.5rem;line-height:1.7}@media(min-width:769px){.binder__content-wrapper:has(.binder__sidebar) .binder__content{margin-top:0}}.binder__kicker{text-transform:uppercase;letter-spacing:.1em;font-weight:700;font-size:.7rem;color:#8b92a0;margin-bottom:.5rem}.binder__title{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.2;margin:.25rem 0 .5rem;color:#1a1a1a;font-weight:700}.binder__desc{color:#4b5563;max-width:65ch;font-size:1rem;line-height:1.6}.binder__image{margin-top:1.5rem;border-radius:8px;overflow:hidden;box-shadow:0 10px 25px rgba(0,0,0,.1),0 4px 10px rgba(0,0,0,.08);border:1px solid #e5e7eb}.binder__sidebar:has([data-sidebar-hidden=true]){display:none!important;width:0!important;margin:0!important;padding:0!important}.binder__content-wrapper:has([data-sidebar-hidden=true]){gap:0!important}.binder__content-wrapper--no-sidebar{gap:0!important}