.Sidebar-module__WZVnLW__sidebar{background:var(--sidebar-bg);border-right:1px solid var(--hair);z-index:40;flex-direction:column;width:340px;height:calc(100vh - 80px);padding:2rem 1.4rem;transition:width .35s,padding .35s;display:flex;position:fixed;top:80px;left:0;overflow-y:auto}.Sidebar-module__WZVnLW__sidebarCollapsed{align-items:center;width:60px;padding:2rem .6rem}.Sidebar-module__WZVnLW__sidebar::-webkit-scrollbar{width:4px}.Sidebar-module__WZVnLW__sidebar::-webkit-scrollbar-track{background:0 0}.Sidebar-module__WZVnLW__sidebar::-webkit-scrollbar-thumb{background:var(--line)}.Sidebar-module__WZVnLW__sidebar::-webkit-scrollbar-thumb:hover{background:var(--mut)}.Sidebar-module__WZVnLW__collapseToggle{cursor:pointer;width:34px;height:34px;color:var(--sec);border:1px solid var(--hair);background:0 0;border-radius:2px;flex-shrink:0;justify-content:center;align-self:flex-end;align-items:center;margin-bottom:1.5rem;transition:color .2s,background .2s,border-color .2s;display:inline-flex}.Sidebar-module__WZVnLW__collapseToggle:hover{background:rgba(var(--ovl), .03);color:var(--ink);border-color:var(--line)}.Sidebar-module__WZVnLW__sidebarCollapsed .Sidebar-module__WZVnLW__collapseToggle{align-self:center}.Sidebar-module__WZVnLW__progressSection{margin-bottom:2.75rem}.Sidebar-module__WZVnLW__progressHeader{font-family:var(--mono);letter-spacing:.18em;color:var(--sec);text-transform:uppercase;justify-content:space-between;align-items:center;margin-bottom:.85rem;font-size:.68rem;font-weight:400;display:flex}.Sidebar-module__WZVnLW__progressBarBg{background:var(--line);width:100%;height:2px;overflow:hidden}.Sidebar-module__WZVnLW__progressBarFill{background:var(--acc);width:0%;height:100%;transition:width 1s ease-out}.Sidebar-module__WZVnLW__section{margin-bottom:2.25rem}.Sidebar-module__WZVnLW__sectionTitle{cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:2px;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:.6rem;padding:.4rem .2rem;transition:background .2s;display:flex}.Sidebar-module__WZVnLW__sectionTitle:hover{background:rgba(var(--ovl), .025)}.Sidebar-module__WZVnLW__sectionName{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:.7rem;font-weight:500;overflow:hidden}.Sidebar-module__WZVnLW__sectionTitleCollapsed{font-family:var(--mono);color:var(--acc);text-align:center;letter-spacing:.05em;padding:.5rem 0;font-size:.8rem;font-weight:400}.Sidebar-module__WZVnLW__sectionChevron{opacity:.35;color:var(--sec);flex-shrink:0;transition:transform .3s,opacity .2s;transform:rotate(-90deg)}.Sidebar-module__WZVnLW__sectionChevronOpen{opacity:.6;transform:rotate(0)}.Sidebar-module__WZVnLW__linkList{flex-direction:column;gap:.15rem;transition:max-height .35s,opacity .3s;display:flex;overflow:hidden}.Sidebar-module__WZVnLW__linkListExpanded{opacity:1;max-height:2000px}.Sidebar-module__WZVnLW__linkListCollapsed{opacity:0;max-height:0}.Sidebar-module__WZVnLW__navItemContainer{flex-direction:column;display:flex}.Sidebar-module__WZVnLW__navLink{color:var(--sec);border-radius:2px;align-items:center;padding:.55rem .7rem;font-size:.88rem;text-decoration:none;transition:color .2s,background .2s;display:flex;position:relative}.Sidebar-module__WZVnLW__navLink:hover{background:rgba(var(--ovl), .025);color:var(--ink)}.Sidebar-module__WZVnLW__navLink.Sidebar-module__WZVnLW__active{background:var(--surface);color:var(--ink)}.Sidebar-module__WZVnLW__navLink.Sidebar-module__WZVnLW__active:before{content:"";background:var(--acc);width:2px;height:60%;position:absolute;top:50%;left:0;transform:translateY(-50%)}.Sidebar-module__WZVnLW__itemNum{width:1.9rem;color:var(--mut);font-size:.68rem;font-weight:400;font-family:var(--mono);letter-spacing:.03em;flex-shrink:0;margin-right:.5rem}.Sidebar-module__WZVnLW__navLink.Sidebar-module__WZVnLW__active .Sidebar-module__WZVnLW__itemNum{color:var(--acc)}.Sidebar-module__WZVnLW__itemLabel{font-family:var(--sans)}.Sidebar-module__WZVnLW__navLinkArrow{opacity:0;color:var(--sec);margin-left:auto;transition:opacity .2s,transform .2s;transform:translate(-4px)}.Sidebar-module__WZVnLW__navLink:hover .Sidebar-module__WZVnLW__navLinkArrow{opacity:.5;transform:translate(0)}.Sidebar-module__WZVnLW__lessonToggle{cursor:pointer;color:var(--sec);opacity:.4;flex-shrink:0;align-items:center;margin-left:auto;padding:.2rem .15rem .2rem .45rem;transition:opacity .2s;display:flex}.Sidebar-module__WZVnLW__lessonToggle:hover{opacity:.9}.Sidebar-module__WZVnLW__lessonToggle svg{transition:transform .25s}.Sidebar-module__WZVnLW__lessonToggleOpen svg{transform:rotate(90deg)}.Sidebar-module__WZVnLW__subLinkList{flex-direction:column;gap:.35rem;margin-top:.35rem;margin-bottom:.8rem;padding-left:2.6rem;display:flex;position:relative}.Sidebar-module__WZVnLW__subLinkList:before{content:"";background:var(--line);width:1px;position:absolute;top:.1rem;bottom:.5rem;left:1.1rem}.Sidebar-module__WZVnLW__subLinkGroup{flex-direction:column;gap:.25rem;display:flex}.Sidebar-module__WZVnLW__subLinkGroup:not(:first-child){margin-top:.7rem}.Sidebar-module__WZVnLW__subLinkCategory{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--acc);opacity:.8;margin-bottom:.15rem;padding:.15rem 0;font-size:.62rem;font-weight:400}.Sidebar-module__WZVnLW__subLink{color:var(--mut);align-items:center;padding:.2rem 0;font-size:.8rem;font-weight:400;text-decoration:none;transition:color .2s;display:flex;position:relative}.Sidebar-module__WZVnLW__subLinkDot{background:var(--mut);border-radius:50%;flex-shrink:0;width:4px;height:4px;margin-right:.8rem;transition:background .2s,transform .2s}.Sidebar-module__WZVnLW__subLink:hover{color:var(--ink)}.Sidebar-module__WZVnLW__subLink:hover .Sidebar-module__WZVnLW__subLinkDot{background:var(--acc);transform:scale(1.4)}.Sidebar-module__WZVnLW__subLinkLabel{font-family:var(--sans)}[data-theme=light] .Sidebar-module__WZVnLW__subLink:not(:hover){color:var(--sec)}[data-theme=light] .Sidebar-module__WZVnLW__itemNum{color:var(--sec)}[data-theme=light] .Sidebar-module__WZVnLW__subLinkDot{background:var(--sec)}@media (max-width:1024px){.Sidebar-module__WZVnLW__sidebar{transition:transform .3s;transform:translate(-100%)}.Sidebar-module__WZVnLW__sidebar.Sidebar-module__WZVnLW__open{transform:translate(0)}}