.cmdk-root{position:fixed;inset:0;z-index:100;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.cmdk-root{--ck-line: #e6e6e6;--ck-shadow: 0 16px 40px rgba(0, 0, 0, .1);--ck-ink-3: #737373;--ck-soft: #eef5ff;--ck-soft-ink: #0a448c}html.dark .cmdk-root{--ck-line: #222222;--ck-shadow: 0 16px 40px rgba(0, 0, 0, .55);--ck-ink-3: #808080;--ck-soft: rgba(0, 112, 243, .16);--ck-soft-ink: #85b6ff}.cmdk-backdrop{position:absolute;inset:0;background:#0f172a73;backdrop-filter:blur(2px)}.cmdk-panel{position:relative;margin:12vh auto 0;width:min(37rem,calc(100vw - 2rem));overflow:hidden;border:1px solid var(--ck-line);border-radius:14px;background:var(--app-surface);box-shadow:var(--ck-shadow);animation:cmdk-in .14s var(--app-ease)}@keyframes cmdk-in{0%{opacity:0;transform:translateY(6px) scale(.99)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.cmdk-panel{animation:none}}.cmdk-input-row{display:flex;align-items:center;gap:.7rem;padding:.9rem 1rem;border-bottom:1px solid var(--ck-line)}.cmdk-input-row svg{width:1.1rem;height:1.1rem;color:var(--ck-ink-3);flex:none}.cmdk-input-row input{flex:1;border:none;outline:none;background:transparent;color:var(--app-ink);font-family:inherit;font-size:.95rem}.cmdk-input-row input::-moz-placeholder{color:var(--ck-ink-3)}.cmdk-input-row input::placeholder{color:var(--ck-ink-3)}.cmdk-root kbd{padding:.15rem .4rem;border:1px solid var(--ck-line);border-radius:6px;background:var(--app-surface-2);color:var(--ck-ink-3);font-family:var(--app-mono);font-size:.68rem;font-weight:600}.cmdk-results{max-height:min(21rem,50vh);overflow-y:auto;padding:.5rem}.cmdk-group{margin:.5rem 0 .2rem;padding:0 .6rem;color:var(--ck-ink-3);font-size:.7rem;font-weight:700}.cmdk-item{display:flex;align-items:baseline;justify-content:space-between;gap:.75rem;padding:.55rem .6rem;border-radius:8px;text-decoration:none}.cmdk-item.is-active{background:var(--ck-soft)}.cmdk-item-title{overflow:hidden;color:var(--app-ink);font-size:.9rem;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.cmdk-item.is-active .cmdk-item-title{color:var(--ck-soft-ink)}.cmdk-item-hint{flex:none;color:var(--ck-ink-3);font-size:.75rem;font-weight:600}.cmdk-empty{padding:1.5rem .75rem;color:var(--app-ink-2);font-size:.9rem;text-align:center}.cmdk-foot{display:flex;gap:1.25rem;padding:.6rem 1rem;border-top:1px solid var(--ck-line);color:var(--ck-ink-3);font-size:.72rem;font-weight:600}.cmdk-foot span{display:inline-flex;align-items:center;gap:.3rem}@layer app-components{.app-header{position:sticky;top:0;left:0;right:0;z-index:50;background:color-mix(in srgb,var(--app-bg) 82%,transparent);border-bottom:1px solid var(--app-line)}@supports (backdrop-filter:blur(1px)){.app-header{backdrop-filter:saturate(1.3) blur(12px);-webkit-backdrop-filter:saturate(1.3) blur(12px)}}.app-header-inner{display:flex;align-items:center;gap:20px;height:56px}.app-brand{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;letter-spacing:-.01em;color:var(--app-ink);white-space:nowrap}.app-brand svg{flex:none}.app-nav{display:none;align-items:center;gap:2px}@media(min-width:1024px){.app-nav{display:flex}}.app-nav-link{display:inline-flex;align-items:center;gap:4px;height:32px;padding:0 11px;border-radius:8px;font-size:13.5px;font-weight:500;color:var(--app-ink-2);white-space:nowrap;transition:color .15s,background-color .15s;background:transparent;border:0;cursor:pointer}.app-nav-link:hover,.app-nav-link.is-active{color:var(--app-ink);background:var(--app-surface-2)}html.dark .app-nav-link:hover,html.dark .app-nav-link.is-active{background:#ffffff0f}.app-search-zone{display:none;flex:1;justify-content:flex-end;min-width:0}@media(min-width:768px){.app-search-zone{display:flex}}.app-search{display:flex;align-items:center;gap:8px;width:100%;max-width:280px;height:36px;padding:0 10px 0 12px;border:1px solid var(--app-line);border-radius:10px;background:var(--app-surface-2);color:var(--app-ink-3);transition:border-color .15s,background-color .15s,max-width .25s var(--app-ease)}.app-search:focus-within{border-color:var(--app-line-2);background:var(--app-surface);max-width:360px;color:var(--app-ink-2)}.app-search input{flex:1;min-width:0;background:transparent;border:0;outline:0;font-size:13.5px;color:var(--app-ink)}.app-search input::-moz-placeholder{color:var(--app-ink-3)}.app-search input::placeholder{color:var(--app-ink-3)}.app-search input::-webkit-search-decoration,.app-search input::-webkit-search-cancel-button{-webkit-appearance:none}.app-header-right{display:flex;align-items:center;gap:4px;margin-left:auto}.app-search-zone+.app-header-right{margin-left:0}.app-icon-btn{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;color:var(--app-ink-2);background:transparent;border:0;cursor:pointer;transition:color .15s,background-color .15s}.app-icon-btn:hover{color:var(--app-ink);background:var(--app-surface-2)}html.dark .app-icon-btn:hover{background:#ffffff0f}.app-avatar-btn{display:inline-flex;align-items:center;justify-content:center;flex:none;width:36px;height:36px;padding:0;margin:0 0 0 4px;border-radius:50%;background:transparent;border:0;cursor:pointer;line-height:1;vertical-align:middle;overflow:visible}.app-avatar{flex:none;width:30px;height:30px;min-width:30px;border-radius:50%;-o-object-fit:cover;object-fit:cover;display:grid;place-items:center;line-height:1;box-shadow:0 0 0 1px var(--app-line-2);overflow:hidden}.app-avatar-initials{background:var(--app-accent);color:#fff;font-size:12px;font-weight:600;letter-spacing:.02em}.app-avatar-btn:hover .app-avatar{box-shadow:0 0 0 2px var(--app-accent)}.app-menu{position:absolute;top:calc(100% + 8px);background:var(--app-raised);border:1px solid var(--app-line-2);border-radius:12px;box-shadow:var(--app-shadow-lg);overflow:hidden;z-index:60;animation:app-menu-in .18s var(--app-ease)}html.dark .app-menu{background:#141414}@keyframes app-menu-in{0%{opacity:0;transform:translateY(-6px) scale(.985)}to{opacity:1;transform:none}}.app-menu-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--app-line);font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--app-ink-3)}.app-menu-head-link{font-weight:500;text-transform:none;letter-spacing:0;color:var(--app-accent-ink)}.app-menu-course{display:flex;gap:12px;padding:10px 14px;transition:background-color .12s}.app-menu-course:hover{background:var(--app-surface-2)}html.dark .app-menu-course:hover{background:#ffffff0d}.app-menu-course-logo{flex:none;width:40px;height:40px;border-radius:9px;background:#fff;border:1px solid var(--app-line);display:grid;place-items:center;padding:7px}.app-menu-course-logo img{width:100%;height:100%;-o-object-fit:contain;object-fit:contain}.app-menu-course-title{display:block;font-size:13px;font-weight:500;color:var(--app-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-menu-course-meta{display:block;margin-top:4px;font-size:11.5px;color:var(--app-ink-3)}.app-menu-user{padding:12px 14px;border-bottom:1px solid var(--app-line)}.app-menu-user-name{font-size:13.5px;font-weight:600;color:var(--app-ink)}.app-menu-user-mail{font-size:12px;color:var(--app-ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-menu-item{display:flex;align-items:center;justify-content:flex-start;width:100%;gap:10px;padding:8px 14px;font-size:13.5px;color:var(--app-ink-2);background:transparent;border:0;text-align:left;cursor:pointer;transition:background-color .12s,color .12s}.app-menu-item:hover{color:var(--app-ink);background:var(--app-surface-2)}html.dark .app-menu-item:hover{background:#ffffff0d}.app-menu-item-accent{color:var(--app-accent-ink)}.app-menu-item-danger:hover{color:var(--app-danger)}.app-menu-sep{height:1px;background:var(--app-line)}@media(max-width:480px){#user-menu-dropdown.app-menu,#my-learning-dropdown.app-menu{position:fixed;left:12px;right:12px!important;top:64px;width:auto!important;max-height:calc(100dvh - 80px);overflow-y:auto}}.app-mobile-search{padding:8px 16px 12px;border-top:1px solid var(--app-line)}.app-mobile-search .app-search{max-width:none}.app-mobile-menu{border-top:1px solid var(--app-line);background:var(--app-bg)}.app-mobile-link{display:block;padding:10px 12px;border-radius:8px;font-size:14px;font-weight:500;color:var(--app-ink-2)}.app-mobile-link:hover,.app-mobile-link.is-active{color:var(--app-ink);background:var(--app-surface-2)}html.dark .app-mobile-link:hover,html.dark .app-mobile-link.is-active{background:#ffffff0f}.site-header-admin{background:var(--app-surface)}.admin-header-grid{display:grid;grid-template-columns:18rem minmax(0,1fr) auto;align-items:center;gap:0}.site-header-admin .header-logo-zone{min-width:0}.site-header-admin .admin-header-nav{justify-self:start;gap:.25rem}@media(max-width:1024px){.admin-header-grid{display:flex;align-items:center;justify-content:space-between}}}