.theme-toggle{display:flex;align-items:center;justify-content:center;padding:1rem;background-color:var(--color-button-bg);border:none;border-radius:1rem;outline:1px solid var(--color-border);color:var(--color-text-main);cursor:pointer;transition:all .3s cubic-bezier(.25,.8,.25,1)}.theme-toggle:hover{opacity:.7;transform:scale(1.05)}.theme-toggle:active{transform:scale(.95)}.theme-toggle .theme-icon{font-size:1.8rem;transition:transform .3s ease}@media screen and (min-width:769px){.theme-toggle .theme-icon{font-size:2rem}}.theme-toggle .theme-icon.sun{color:var(--color-text-main);animation:rotate 20s linear infinite}.theme-toggle .theme-icon.moon{color:#000}@keyframes rotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.QuickNotes{position:fixed;top:80px;right:20px;width:300px;height:400px;background:var(--color-glass-bg);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border:1px solid 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cubic-bezier(.25,.8,.25,1)}.SideBar .mobile-trigger{display:flex;justify-content:flex-start;align-items:center;gap:1rem;width:100%;color:var(--color-text-main);font-weight:700;transition:opacity .2s}.SideBar .mobile-trigger:hover{transition:opacity .2s;opacity:.5}.SideBar .mobile-trigger .icon{font-size:1.6rem}.SideBar .mobile-trigger .icon.close-icon{font-size:1.2rem}.SideBar .mobile-content{opacity:0;height:0;width:100%;display:flex;flex-direction:column;gap:2rem;pointer-events:none;transition:opacity .3s ease}.SideBar .mobile-content .menu-item{display:flex;align-items:center;gap:1rem;width:100%;color:var(--color-text-main);font-weight:700;white-space:nowrap;text-decoration:none;transition:opacity .2s}.SideBar .mobile-content .menu-item:hover{transition:opacity .2s;opacity:.5}.SideBar .mobile-content .menu-item .item-icon{font-size:1.6rem}.SideBar .mobile-content .menu-item .item-icon b{text-shadow:0 0 5px rgba(0,255,255,.641)}.SideBar .mobile-content .menu-item .item-icon 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.notes-toggle-btn{display:flex;align-items:center;justify-content:center;padding:1rem;background-color:var(--color-button-bg);border:none;border-radius:1rem;outline:1px solid var(--color-border);color:var(--color-text-main);cursor:pointer;transition:all .3s cubic-bezier(.25,.8,.25,1)}.SideBar .mobile-content .theme-toggle-container .notes-toggle-btn:hover{opacity:.7;transform:scale(1.05)}.SideBar .mobile-content .theme-toggle-container .notes-toggle-btn:active{transform:scale(.95)}.SideBar .mobile-content .theme-toggle-container .notes-toggle-btn svg{font-size:1.8rem}@media screen and (min-width:769px){.SideBar .mobile-content .theme-toggle-container .notes-toggle-btn svg{font-size:2rem}}.SideBar.open{height:auto;min-height:200px;align-items:flex-start}.SideBar.open .mobile-content{margin-top:1rem;opacity:1;height:auto;pointer-events:auto}.SideBar-desktop,.SideBar-desktop-trigger{display:none}.sidebar-syllabus .bm-menu{padding:2.5em 1.5em;background:var(--color-glass-bg);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border-left:1px solid var(--color-glass-border);border-radius:1rem 0 0 1rem;font-size:1.15em;transition:all .4s cubic-bezier(.25,.8,.25,1)}.sidebar-syllabus .bm-cross-button{top:2rem!important;right:2rem!important}.sidebar-syllabus .bm-cross-button #react-burger-cross-btn{outline:none;border-radius:0}.sidebar-syllabus .bm-cross-button .bm-cross{width:4px!important;height:18px!important;background:var(--color-text-main)}.sidebar-syllabus .bm-menu-wrap{position:fixed;height:100%}.sidebar-syllabus .bm-morph-shape{fill:var(--color-bg-secondary)}.sidebar-syllabus .bm-item-list{display:flex;flex-direction:column;overflow:auto}.sidebar-syllabus .bm-item{display:inline-block;color:var(--color-text-main)}.sidebar-syllabus 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var(--color-border-light)}.sidebar-syllabus{width:500px!important}.sidebar-syllabus .bm-menu{padding:5rem 4rem}.sidebar-syllabus .bm-menu .Syllabus .s-groups .collapsible .collapsible-header .h-top span{font-size:1.8rem}.sidebar-syllabus .bm-menu .Syllabus .s-groups .collapsible .collapsible-header>span{font-size:1.4rem}.sidebar-syllabus .bm-menu .Syllabus .s-groups .collapsible ul.inner{gap:3rem}.sidebar-syllabus .bm-menu .Syllabus .s-groups .collapsible ul.inner .s-lesson .s-lesson-info{gap:1.5rem}.sidebar-syllabus .bm-menu .Syllabus .s-groups .collapsible ul.inner .s-lesson .s-lesson-info .s-lesson-title{font-size:1.8rem}.sidebar-syllabus .bm-menu .Syllabus .s-groups .collapsible ul.inner .s-lesson .s-lesson-info .s-lesson-description{font-size:1.4rem}.sidebar-syllabus .bm-menu .Syllabus .s-groups .collapsible ul.inner .s-lesson .s-lesson-info .s-play{font-size:1.6rem}}*{margin:0;padding:0;line-height:1;box-sizing:border-box}:root,[data-theme=dark]{--color-bg:#000;--color-bg-secondary:#0a0a0a;--color-bg-pattern:#404040;--color-text-main:#fef8f1;--color-text-secondary:#d3d1ce;--color-text-muted:#888;--color-button-bg:rgba(0,0,0,.55);--color-button-text:#fef8f1;--color-button-hover:rgba(0,0,0,.7);--color-border:rgba(90,90,90,.55);--color-border-light:rgba(90,90,90,.3);--color-link:#fef8f1;--color-link-hover:#d3d1ce;--color-glass-bg:rgba(0,0,0,.6);--color-glass-border:hsla(0,0%,100%,.1);--backdrop-blur:blur(20px);--color-overlay:rgba(0,0,0,.5);--color-overlay-light:rgba(0,0,0,.15);--gradient-overlay-bottom:linear-gradient(0deg,#000 0%,rgba(0,0,0,.4) 80%,transparent);--gradient-overlay-top:linear-gradient(180deg,#000 0%,rgba(0,0,0,.4) 80%,transparent);--color-shadow-sm:0 2px 8px rgba(0,0,0,.2);--color-shadow-md:0 4px 16px rgba(0,0,0,.3);--color-shadow-lg:0 4px 30px 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