:root{--lt-bnav-height:68px;--lt-bnav-safe:max(env(safe-area-inset-bottom,0px), 8px);--lt-bottom-nav-space:0px}.lt-bnav{display:none}@media (max-width:767px){:root{--lt-bottom-nav-space:calc(var(--lt-bnav-height) + var(--lt-bnav-safe))}.lt-bnav{z-index:60;height:calc(var(--lt-bnav-height) + var(--lt-bnav-safe));padding:0 max(6px, env(safe-area-inset-right,0px)) var(--lt-bnav-safe) max(6px, env(safe-area-inset-left,0px));border-top:1px solid var(--border);background:var(--bg-card);justify-content:space-around;align-items:center;transition:transform .22s;display:flex;position:fixed;bottom:0;left:0;right:0}.lt-bnav--hidden{pointer-events:none;transform:translateY(100%)}}.lt-bnav__tab{border-radius:var(--radius-sm);min-width:0;min-height:44px;color:var(--text-muted);font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:3px;padding:6px 2px;text-decoration:none;transition:color .15s;display:flex;position:relative}.lt-bnav__tab:focus-visible{box-shadow:var(--shadow-focus);outline:none}.lt-bnav__tab--active{color:var(--accent)}.lt-bnav__pill{border-radius:15px;justify-content:center;align-items:center;width:44px;height:30px;transition:background .18s;display:flex;position:relative}.lt-bnav__pill svg{width:21px;height:21px;display:block}.lt-bnav__tab--active .lt-bnav__pill{background:var(--accent-subtle)}.lt-bnav__label{white-space:nowrap;text-overflow:ellipsis;max-width:100%;font-size:10px;font-weight:400;line-height:1.2;overflow:hidden}.lt-bnav__tab--active .lt-bnav__label{font-weight:700}.lt-bnav__dot{background:var(--rose);width:8px;height:8px;box-shadow:0 0 0 2px var(--bg-card);border-radius:50%;position:absolute;top:2px;right:6px}.lt-bnav-overlay{z-index:80;flex-direction:column;justify-content:flex-end;display:flex;position:fixed;inset:0}.lt-bnav-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);cursor:pointer;background:#00000073;border:none;padding:0;position:absolute;inset:0}.lt-bnav-sheet{max-height:min(88dvh,46rem);padding:.5rem max(1rem, env(safe-area-inset-right,0px)) 0 max(1rem, env(safe-area-inset-left,0px));border:1px solid var(--border);background:var(--bg-base);box-shadow:var(--shadow-lg);border-bottom:none;border-radius:1.25rem 1.25rem 0 0;flex-direction:column;animation:.22s ease-out ltBnavSheetUp;display:flex;position:relative}@keyframes ltBnavSheetUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.lt-bnav-sheet__handle{border-radius:var(--radius-pill);background:var(--border);width:2.25rem;height:.25rem;margin:0 auto .5rem}.lt-bnav-sheet__head{justify-content:space-between;align-items:center;gap:.5rem;padding-bottom:.5rem;display:flex}.lt-bnav-sheet__title{font-size:var(--text-lg);color:var(--text-primary);margin:0;font-weight:700}.lt-bnav-sheet .lt-bnav-sheet__close{width:44px;height:44px}.lt-bnav-sheet__body{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;min-height:0;padding-bottom:calc(1rem + env(safe-area-inset-bottom,0px));flex:1;overflow-y:auto}.lt-bnav-sheet__workplace{margin-bottom:1rem}.lt-bnav-sheet .more-hub__header{display:none}.lt-bnav-sheet .more-hub-row{min-height:44px}.lt-bnav-sheet__logout{border-radius:var(--radius);width:100%;min-height:44px;color:var(--text-muted);font:inherit;font-size:var(--text-sm);text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:.75rem;padding:.5rem .875rem;font-weight:600;display:flex}.lt-bnav-sheet__logout:hover{color:var(--text-primary);background:var(--bg-hover)}@media (min-width:768px){.lt-bnav-overlay{display:none}}@media (prefers-reduced-motion:reduce){.lt-bnav,.lt-bnav__pill,.lt-bnav__tab{transition:none}.lt-bnav-sheet{animation:none}}
.live-lesson-overlay{background:var(--bg-card,#fff);color:var(--text-primary,#171717);container-type:inline-size}.live-lesson-overlay__header{border-bottom:1px solid var(--border,#e4e4e1);background:var(--bg-card,#fff);min-height:68px;padding:12px 14px}.live-lesson-overlay__student{align-items:center;gap:10px;min-width:0;display:flex}.live-lesson-overlay__status{background:#10b981;border-radius:50%;flex:none;width:10px;height:10px;box-shadow:0 0 0 4px #10b98124}.live-lesson-overlay__status--recording{background:#ef4444;animation:1s infinite overlay-pulse;box-shadow:0 0 0 4px #ef44442e}.live-lesson-overlay__student-name{color:var(--text-primary,#171717);text-overflow:ellipsis;white-space:nowrap;font-size:1rem;font-weight:750;overflow:hidden}.live-lesson-overlay__meta{min-width:0;color:var(--text-muted,#70706b);align-items:center;gap:5px;margin-top:3px;font-size:.72rem;display:flex}.live-lesson-overlay__topic{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.live-lesson-overlay__header-actions{align-items:center;gap:5px;display:flex}.live-lesson-overlay__icon-button{border:1px solid var(--border,#e4e4e1);background:var(--bg-card,#fff);width:32px;height:32px;color:var(--text-secondary,#555);cursor:pointer;border-radius:9px;justify-content:center;align-items:center;display:inline-flex}.live-lesson-overlay__icon-button:hover{border-color:var(--accent,#3d7a70);background:var(--accent-subtle,#edf7f4);color:var(--accent,#2d6f65)}.live-lesson-overlay__tabs{border-bottom:1px solid var(--border,#e4e4e1);background:var(--bg-subtle,#f7f7f5);grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding:8px;display:grid}.live-lesson-overlay__tab{min-width:0;min-height:42px;color:var(--text-secondary,#54544f);cursor:pointer;font:inherit;background:0 0;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:5px;padding:7px 6px;font-size:.72rem;font-weight:650;display:flex}.live-lesson-overlay__tab:hover{background:var(--bg-card,#fff);color:var(--text-primary,#171717)}.live-lesson-overlay__tab[aria-selected=true]{border-color:color-mix(in srgb, var(--accent,#3d7a70) 22%, transparent);background:var(--accent,#3d7a70);color:#fff;box-shadow:0 3px 10px #1d5c5029}.live-lesson-overlay__tab-count{background:#ffffff3d;border-radius:999px;place-items:center;min-width:18px;height:18px;padding:0 4px;font-size:.65rem;display:inline-grid}.live-lesson-overlay__tab:not([aria-selected=true]) .live-lesson-overlay__tab-count{background:var(--bg-card,#fff);color:var(--text-muted,#70706b)}.live-lesson-overlay__dock{animation:.18s ease-out overlay-fade-in}.lesson-question-generator{background:var(--bg-card,#fff);flex-direction:column;flex:1;gap:12px;min-height:0;padding:14px;display:flex;overflow-y:auto}.lesson-question-generator__intro{align-items:flex-start;gap:10px;display:flex}.lesson-question-generator__icon{background:var(--accent-subtle,#edf7f4);width:34px;height:34px;color:var(--accent,#2d6f65);border-radius:10px;flex:none;place-items:center;display:grid}.lesson-question-generator__intro h2{color:var(--text-primary,#171717);margin:0;font-size:.9rem}.lesson-question-generator__intro p{color:var(--text-muted,#70706b);margin:4px 0 0;font-size:.72rem;line-height:1.45}.lesson-question-generator__level{border:1px solid var(--border,#e4e4e1);background:var(--bg-subtle,#f7f7f5);color:var(--text-secondary,#54544f);border-radius:10px;justify-content:space-between;align-items:center;padding:8px 10px;font-size:.72rem;display:flex}.lesson-question-generator__level-value{color:var(--accent,#2d6f65);align-items:center;gap:4px;display:inline-flex}.lesson-question-generator__level-value--missing{color:var(--rose,#dc2626)}.lesson-question-generator__notice{color:#9f2626;background:#fff5f5;border:1px solid #f0c9c9;border-radius:10px;padding:9px 10px;font-size:.72rem;line-height:1.4}.lesson-question-generator__form{flex-direction:column;gap:6px;display:flex}.lesson-question-generator__form label{color:var(--text-secondary,#54544f);font-size:.72rem;font-weight:700}.lesson-question-generator__field-row{gap:7px;display:flex}.lesson-question-generator__field-row input{border:1px solid var(--border,#d8d8d4);background:var(--bg-base,#fff);min-width:0;min-height:40px;color:var(--text-primary,#171717);font:inherit;border-radius:10px;outline:none;flex:1;padding:8px 10px;font-size:.78rem}.lesson-question-generator__field-row input:focus-visible{border-color:var(--accent,#3d7a70);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent,#3d7a70) 16%, transparent)}.lesson-question-generator__submit{background:var(--accent,#3d7a70);color:#fff;cursor:pointer;min-height:40px;font:inherit;border:0;border-radius:10px;justify-content:center;align-items:center;gap:5px;padding:0 11px;font-size:.72rem;font-weight:700;display:inline-flex}.lesson-question-generator__submit:disabled{cursor:not-allowed;opacity:.45}.lesson-question-generator__empty{border:1px dashed var(--border,#d8d8d4);min-height:130px;color:var(--text-muted,#777);border-radius:12px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;font-size:.75rem;display:flex}.lesson-question-generator__results{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.lesson-question-generator__results li{border:1px solid var(--border,#e4e4e1);background:var(--bg-base,#fff);border-radius:11px;justify-content:space-between;align-items:flex-start;gap:8px;padding:10px;display:flex}.lesson-question-generator__question-copy{min-width:0}.lesson-question-generator__question-copy p{color:var(--text-primary,#171717);margin:6px 0 0;font-size:.78rem;line-height:1.45}.lesson-question-generator__type{background:var(--accent-subtle,#edf7f4);color:var(--accent,#2d6f65);letter-spacing:.03em;text-transform:uppercase;border-radius:999px;padding:2px 6px;font-size:.6rem;font-weight:750;display:inline-flex}.lesson-question-generator__type--follow_up{color:#6741a8;background:#f4efff}.lesson-question-generator__actions{flex:none;gap:4px;display:flex}.lesson-question-generator__actions button{border:1px solid var(--border,#e4e4e1);background:var(--bg-card,#fff);width:28px;height:28px;color:var(--text-muted,#70706b);cursor:pointer;border-radius:8px;place-items:center;display:grid}.lesson-question-generator__actions button:hover{border-color:var(--accent,#3d7a70);color:var(--accent,#2d6f65)}.overlay-spin{animation:1s linear infinite overlay-spin}@container (max-width:360px){.live-lesson-overlay__tab{min-height:38px}.live-lesson-overlay__tab-label{display:none}.lesson-question-generator__field-row{flex-direction:column}}.live-lesson-overlay__dock{z-index:999999;border:1px solid var(--border);background:var(--bg-card);box-shadow:var(--shadow-lg,0 24px 64px #00000059);overscroll-behavior:contain;left:0;right:0;bottom:var(--lt-bottom-nav-space,0px);height:min(calc(78dvh - var(--lt-bottom-nav-space,0px)), 640px);max-width:100vw;padding-bottom:env(safe-area-inset-bottom,0px);border-bottom:none;border-radius:18px 18px 0 0;flex-direction:column;display:flex;position:fixed;overflow:hidden}.live-lesson-overlay__wide-toggle{display:none}@media (min-width:1024px){.live-lesson-overlay__dock{border-bottom:1px solid var(--border);width:460px;height:auto;transition:width var(--dur-base,.2s) var(--ease-out,ease);border-radius:16px;inset:12px 12px 12px auto}.live-lesson-overlay__dock--wide{width:min(720px,100vw - 24px)}.live-lesson-overlay__wide-toggle{display:inline-flex}}@media (prefers-reduced-motion:reduce){.live-lesson-overlay__dock{transition:none}}html[data-live-lesson-dock=open] .support-chatbot-fab{display:none!important}.lmo-who{flex-wrap:wrap;align-items:center;gap:4px;margin-top:6px;display:flex}.lmo-who__label{color:var(--text-muted,#8a8a87);margin-right:2px;font-size:.7rem}.lmo-who__chip{cursor:pointer;border:1px solid var(--border,#333);background:var(--bg-base,#191919);color:var(--text-secondary,#c8c8c5);text-overflow:ellipsis;white-space:nowrap;border-radius:999px;max-width:140px;padding:2px 8px;font-size:.7rem;overflow:hidden}.lmo-who__chip--on{border-color:var(--accent,#3d7a70);background:var(--accent-subtle,#1a2e2c);color:var(--accent,#4da694);font-weight:700}.lmo-who__tag{background:var(--accent-subtle,#1a2e2c);color:var(--accent,#4da694);white-space:nowrap;border-radius:999px;padding:1px 6px;font-size:.62rem;font-weight:700}.lmo-group-notes{flex-direction:column;gap:10px;display:flex}.lmo-group-notes__warn{color:var(--warning,#d29922);margin:0;font-size:.7rem}.lmo-group-notes__part{flex-direction:column;gap:4px;display:flex}.lmo-group-notes__name{flex-wrap:wrap;align-items:baseline;gap:8px;font-size:.74rem;font-weight:700;display:flex}.lmo-group-notes__name em{color:var(--text-muted,#8a8a87);font-size:.68rem;font-style:normal;font-weight:400}.lmo-group-notes__part textarea{box-sizing:border-box;resize:vertical;width:100%;font:inherit;background:var(--bg-base,#191919);border:1px solid var(--border,#333);color:var(--text-primary,#ebebeb);border-radius:8px;outline:none;padding:10px;font-size:.78rem;line-height:1.5}@keyframes overlay-spin{to{transform:rotate(360deg)}}@keyframes overlay-pulse{50%{opacity:.55}}@keyframes overlay-slide-up{0%{opacity:0;transform:translateY(12px)}}@keyframes overlay-fade-in{0%{opacity:0}}
@media (min-width:768px){html.lt-sidebar-rail .app-sidebar{transition:width .2s;width:4.75rem!important}html.lt-sidebar-rail .app-sidebar .sidebar-header{align-items:center;padding:1rem 0 .75rem}html.lt-sidebar-rail .app-sidebar .sidebar-brand-name,html.lt-sidebar-rail .app-sidebar .sidebar-brand-sub,html.lt-sidebar-rail .app-sidebar .sidebar-workplace-section{display:none!important}html.lt-sidebar-rail .app-sidebar .sidebar-nav-block{padding-left:.5rem;padding-right:.5rem}html.lt-sidebar-rail .app-sidebar .sidebar-link{justify-content:center;gap:0;min-height:3rem;padding:.75rem 0;font-size:0}html.lt-sidebar-rail .app-sidebar,html.lt-sidebar-rail .app-sidebar .sidebar-nav-block,html.lt-sidebar-rail .app-sidebar .sidebar-nav-scroll{overflow-x:hidden!important}html.lt-sidebar-rail .app-sidebar .sidebar-nav-scroll{scrollbar-width:none}html.lt-sidebar-rail .app-sidebar .sidebar-nav-scroll::-webkit-scrollbar{display:none}html.lt-sidebar-rail .app-sidebar .sidebar-link svg,html.lt-sidebar-rail .app-sidebar .desktop-nav__footlink svg{flex-shrink:0}html.lt-sidebar-rail .app-sidebar .desktop-nav__sub{display:none}html.lt-sidebar-rail .app-sidebar .desktop-nav__badge{margin:0;position:absolute;top:.25rem;right:.25rem}html.lt-sidebar-rail .app-sidebar .desktop-nav__footlink{justify-content:center;gap:0;padding:.6rem 0;font-size:0}}