.LessonOverlay_overlay__UB2qD{position:fixed;top:0;right:0;left:0;bottom:0;background:rgba(0,0,0,.4);display:flex;justify-content:flex-end;z-index:1000}.LessonOverlay_sidebar__4X1VP{width:400px;max-width:90%;background:#ffffff;height:100%;overflow-y:auto;box-shadow:-2px 0 8px rgba(0,0,0,.15);padding:1.5rem;position:relative;animation:LessonOverlay_slideIn__YUG4A .3s ease-out forwards}@keyframes LessonOverlay_slideIn__YUG4A{0%{transform:translateX(100%)}to{transform:translateX(0)}}.LessonOverlay_closeButton__COh1f{position:absolute;top:.5rem;right:.5rem;background:none;border:none;font-size:1.5rem;cursor:pointer}.LessonOverlay_spinner__Vzmqk{border:4px solid #f3f3f3;border-top-color:#3498db;border-radius:50%;width:40px;height:40px;animation:LessonOverlay_spin__b9WxL 1s linear infinite;margin:2rem auto}@keyframes LessonOverlay_spin__b9WxL{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.LessonOverlay_lessonContent__zrbwS{margin-top:1rem}.LessonOverlay_lessonTitle__Yfimj{margin-bottom:1rem}.LessonOverlay_fullLessonLink__fZEhf{margin-top:1.5rem;padding:.5rem 1rem;background:#0070f3;border:none;color:white;border-radius:4px;cursor:pointer;font-size:.9rem}.LessonOverlay_fullLessonLink__fZEhf:hover{background:#005ad1}.LessonOverlay_error___jYTc{color:red;text-align:center}.LessonOverlay_lessonWrapper__XIBOj{display:flex;flex-direction:column;height:100%}.LessonOverlay_navButtonsBottom__t8wIj,.LessonOverlay_navButtonsTop__Lp3Tk{display:flex;justify-content:space-between;align-items:center;margin:.5rem 0}.LessonOverlay_navButton__rc6UA{background:#0070f3;color:#fff;border:none;padding:.4rem .8rem;border-radius:4px;cursor:pointer;font-size:.9rem}.LessonOverlay_navButton__rc6UA:disabled{background:#bdbdbd;cursor:not-allowed}.LessonOverlay_sectionIndicator__9UzSA{font-weight:700}.LessonOverlay_sectionContainer___J4SP{flex:1 1;overflow-y:auto;padding-right:.5rem}.LessonOverlay_sectionContent__SylvO{line-height:1.5}.LessonOverlay_exampleItem__DNZtF{border-left:3px solid #0070f3;margin:.5rem 0;padding:.25rem .75rem;background:#f5f9ff}.Footer_footer__yl3k1{padding:2rem 0;border-top:1px solid #eaeaea;background-color:#fff;width:100%}.Footer_container__MaumR{max-width:1200px;margin:0 auto;padding:0 1rem;display:flex;justify-content:space-between;align-items:flex-start}.Footer_logoSection__RD423{display:flex;flex-direction:column;align-items:flex-start}.Footer_logo__ZIHpg{margin-bottom:1rem}.Footer_copyright__g3z6w{font-size:.875rem;color:#666;margin-top:.5rem}.Footer_linksSection__sxq9I{display:flex;flex-direction:column}.Footer_linkHeader__38vtF{font-size:1.125rem;font-weight:600;margin-bottom:1rem;color:#333}.Footer_navList__0Ck2p{list-style-type:none;padding:0;margin:0}.Footer_navList__0Ck2p li{margin-bottom:.75rem}.Footer_navList__0Ck2p li a{color:#666;text-decoration:none;transition:color .2s ease}.Footer_navList__0Ck2p li a:hover{color:#0070f3}.Footer_socialLinks__57uUS{margin-top:1rem;display:flex;gap:1rem;align-items:center}.Footer_socialLink__Wcgd8{display:flex;align-items:center;justify-content:center;transition:transform .2s ease}.Footer_socialLink__Wcgd8:hover{transform:scale(1.1)}@media (max-width:768px){.Footer_container__MaumR{flex-direction:column}.Footer_logoSection__RD423{margin-bottom:2rem;align-items:center;text-align:center}.Footer_linksSection__sxq9I{width:100%;align-items:center;text-align:center}.Footer_navList__0Ck2p{display:flex;flex-wrap:wrap;justify-content:center}.Footer_navList__0Ck2p li{margin:0 1rem .75rem}}