/* v12 navigation: all standard-height menus fit without a scrollbar. */
.sidebar.sidebar12{overflow-y:auto;scrollbar-width:none;padding:20px 16px;gap:0}.sidebar.sidebar12::-webkit-scrollbar{display:none}.sidebar12 .sidebar-note{display:none!important}.sidebar12 .side-header{min-height:45px;height:45px;flex:none;margin:0 0 9px;padding:0}.sidebar12 .side-header .logo{margin:0;padding:0 12px;font-size:39px}.sidebar12 .nav-caption{flex:none;line-height:17px;font-size:11px;margin:14px 12px 8px}.sidebar12 #desktopNav,.sidebar12 #roleLinks6{display:grid;gap:3px;flex:none}.sidebar12 .nav-item{height:var(--nav-row12,48px);min-height:var(--nav-row12,48px);max-height:var(--nav-row12,48px);margin:0;padding:7px 12px;font-size:14px;line-height:1.3;gap:12px;flex:none}.sidebar12 .nav-item .icon{width:20px;height:20px;flex:none}.sidebar12 .nav-item small{font-size:10px;line-height:1.3;margin-top:4px}.sidebar12.nav-compact12 .nav-item small{display:none!important}.sidebar12.nav-compact12 .nav-item{font-size:13px}.sidebar12 .side-bottom{margin-top:auto;flex:none;padding:12px 12px 0}.sidebar12 .side-bottom .text-btn{font-size:11px;line-height:18px;min-height:18px}.sidebar12 .nav-item[hidden]{display:none!important}

/* A full-height, two-column learning report. */
.report-desk6 .learning-pane[data-report-tab6=overview]{display:grid!important;grid-template-columns:minmax(330px,.95fr) minmax(360px,1.2fr);grid-template-rows:auto minmax(0,1fr);gap:14px;min-height:0;align-items:stretch}.learning-pane[data-report-tab6=overview]>.learning-stats{grid-column:1/-1;margin:0}.learning-pane[data-report-tab6=overview]>.radar-card12{grid-column:1;grid-row:2}.learning-pane[data-report-tab6=overview]>.learning-records{grid-column:2;grid-row:2;margin:0;min-height:0;max-height:none}.report-switch12{display:none}.radar-card11.radar-card12{display:flex;flex-direction:column;gap:8px;min-width:0;min-height:0;max-height:none;height:100%;padding:23px 24px 16px;overflow:hidden;background:radial-gradient(ellipse at 50% 48%,color-mix(in srgb,var(--blue-soft) 70%,transparent),transparent 66%),var(--surface)}.radar-card12>header{display:flex;flex:none;justify-content:space-between;align-items:center;gap:12px;min-width:0}.radar-card12 .eyebrow{font-size:10px;letter-spacing:1.6px;color:var(--blue)}.radar-card12 h2{font-size:22px;margin:6px 0 0;letter-spacing:-.8px}.radar-replay12{width:34px;height:34px;flex:none;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--muted);display:grid;place-items:center}.radar-replay12 .icon{width:17px;height:17px}.radar-replay12:hover{color:var(--blue);background:var(--blue-soft)}.radar-stage12{display:flex;align-items:center;justify-content:center;flex:1;min-width:0;min-height:0}.radar-svg12{width:100%;height:100%;max-height:490px;overflow:visible;display:block}.radar-grid12{stroke:var(--line);stroke-width:1.25;fill:none}.radar-spoke12{stroke:var(--line);stroke-width:1}.radar-label12{font-family:inherit;font-size:16px;font-weight:650;fill:var(--ink)}.radar-value12{font-family:inherit;font-size:22px;font-weight:800;fill:var(--blue);font-variant-numeric:tabular-nums}.radar-card12>footer{flex:none;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:12px}.radar-card12>footer>span{font-size:10px;color:var(--muted)}.radar-card12>footer .text-btn{font-size:11px;white-space:nowrap}.radar-running12 .radar-grid12{animation:radarGrid12 .7s ease-out both;animation-delay:calc(var(--ring12)*80ms)}.radar-running12 .radar-axis12{animation:radarLabel12 .7s ease-out both}.radar-running12 #radarGlowShape12{animation:radarBloom12 1.45s ease-out both}@keyframes radarGrid12{from{opacity:0}to{opacity:1}}@keyframes radarLabel12{from{opacity:.15}to{opacity:1}}@keyframes radarBloom12{0%{opacity:0}55%{opacity:.48}100%{opacity:.28}}
.learning-pane[data-report-tab6=overview] .learning-record.record10{grid-template-columns:22px minmax(0,1fr) 42px 48px 62px!important;gap:9px!important;font-size:12px}.learning-pane[data-report-tab6=overview] .record-link9{font-size:13px!important}.learning-pane[data-report-tab6=overview] .record-subject10,.learning-pane[data-report-tab6=overview] .learning-record time{font-size:11px!important}.learning-pane[data-report-tab6=overview] .learning-record .badge{font-size:10px;justify-self:end}.learning-pane[data-report-tab6=overview] .learning-records>h2{font-size:17px;margin-bottom:9px}.learning-pane[data-report-tab6=overview] .v6-pager{gap:8px}.learning-pane[data-report-tab6=overview] .v6-pager>span{font-size:10px}

/* English learning choices share the same visual row. */
.english-actions12{gap:9px;align-items:center;min-height:40px;margin:0}.english-actions12 .subtype-check9,.english-actions12 .word-launch12{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;height:38px;padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:var(--surface);font:600 12px/1.2 inherit;color:var(--ink);white-space:nowrap;box-sizing:border-box}.english-actions12 .word-launch12{font-family:inherit;font-size:12px;font-weight:600;line-height:1.2;cursor:pointer}.word-launch12 .icon{width:16px;height:16px;color:var(--blue)}.word-launch12 small{font-size:10px;color:var(--blue);background:var(--blue-soft);padding:4px 6px;border-radius:5px}.english-actions12 .word-launch12:hover{border-color:#abbaf2;background:var(--blue-soft)}.english-actions12 .subtype-check9.active{background:var(--blue-soft);border-color:#abbaf2;color:var(--blue)}

/* Fixed, fully visible book rows with a measured page capacity. */
.book-detail12{min-height:0}.book-detail12 .book-board12{min-height:94px}.book-board12 .book-row12{display:grid;grid-template-columns:46px minmax(0,1fr) 90px;gap:16px;align-items:center;width:100%;height:var(--book-row12,54px);min-height:var(--book-row12,54px);max-height:var(--book-row12,54px);box-sizing:border-box;padding:8px 16px;text-align:left;border:0;border-bottom:1px solid var(--line);border-radius:0;background:var(--surface);color:var(--ink);font-family:inherit;flex:none}.book-row12.book-head12{height:42px;min-height:42px;max-height:42px;background:var(--surface-soft);font-size:11px;color:var(--muted);padding:8px 16px}.book-row12>span:first-child{text-align:center;font-variant-numeric:tabular-nums}.book-row12>b{min-width:0;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;font-size:14px}.book-row12.book-head12>b{font-size:11px}.book-number12{font-size:12px;line-height:1.2;color:var(--muted)}.book-row12>.badge{justify-self:end;width:auto;min-width:58px;text-align:center;font-size:11px;line-height:1.3;white-space:nowrap}.book-row12.book-head12>span:last-child{text-align:right;padding-right:14px}.book-row12:not(.book-head12):hover{background:var(--blue-soft)}#bookRows12{flex:1;min-height:0;overflow:hidden}#bookPager12{flex:none}

/* Group learning has its own section; actions always follow it. */
.group-detail12{display:flex;flex-direction:column;gap:18px;min-width:0}.group-meta12{display:flex;justify-content:space-between;align-items:center;gap:12px}.group-meta12>b{font-size:13px}.group-class12{display:flex;flex-wrap:wrap;align-items:center;gap:9px 15px;padding:14px 16px;border-radius:12px;background:var(--blue-soft)}.group-class12>span{font-size:12px;color:var(--muted)}.group-class12>b{font-size:14px}.group-class12>small{font-size:11px;color:var(--muted);margin-left:auto}.group-class12>.text-btn{margin-left:auto;font-size:12px}.group-detail12 .join-code6.group-code12{margin:0;padding:13px 16px;min-height:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);gap:12px}.group-code12>b{font-variant-numeric:tabular-nums;font-size:17px}.group-code12>span{font-size:11px}.group-code12 .btn{min-height:32px;font-size:11px;padding:6px 10px}.group-problems12{border:1px solid var(--line);border-radius:14px;overflow:hidden}.group-problems12>header{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface-soft);padding:13px 16px;border-bottom:1px solid var(--line)}.group-problems12 h3{font-size:14px;margin:0}.group-problems12 .badge{font-size:10px}.group-empty12{padding:26px 15px;text-align:center;font-size:12px;color:var(--muted)}.group-problem12{display:grid;grid-template-columns:48px minmax(0,1fr) 15px;gap:10px;align-items:center;width:100%;text-align:left;padding:15px 16px;border-bottom:1px solid var(--line)}.group-problem12:last-child{border-bottom:0}.group-problem12>span{font-size:10px;color:var(--muted)}.group-problem12>b{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.group-problem12>i{color:var(--blue);font-style:normal}.group-problem12:hover{background:var(--blue-soft)}.group-footer12{display:flex;gap:9px;padding-top:2px}.group-footer12>.btn{flex:1;min-height:42px;font-size:12px;white-space:nowrap}#groupPager12{padding:10px 14px;border-top:1px solid var(--line)}#groupPager12[hidden]{display:none}

/* Preserve the entire thumbnail, with administrator-supplied artwork. */
.lecture-editor-grid12{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:20px}.lecture-fields12{display:flex;flex-direction:column;gap:2px}.lecture-fields12>p{font-size:11px;line-height:1.65;margin:0}.thumb-frame12{aspect-ratio:16/9;width:100%;border:1px solid var(--line);border-radius:11px;overflow:hidden;display:grid;place-items:center;background:var(--surface-soft);text-align:center;color:var(--muted);font-size:11px;line-height:1.6}.thumb-frame12 img{width:100%;height:100%;object-fit:contain;display:block;min-width:0}.lecture-form12 .thumbnail-upload12{display:flex;flex-direction:column;gap:7px;font-size:12px;margin:14px 0 7px}.thumbnail-upload12 input{font-size:10px!important;min-height:36px}.thumbnail-guide12{display:flex;flex-direction:column;gap:4px;font-size:10px;line-height:1.4;color:var(--muted);margin:9px 0}.thumbnail-guide12>b{font-size:11px;color:var(--ink)}.cover-status12{display:flex;gap:8px;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted);min-width:0}.cover-status12>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.cover-status12>.text-btn{font-size:10px;white-space:nowrap}.upload-status12{font-size:11px;line-height:1.55;color:var(--blue);margin:0;min-height:0}.upload-status12:empty{display:none}.lecture-card12>.lecture-thumb12{display:flex;justify-content:center;align-items:center;min-height:0;background:var(--surface-soft)}.lecture-card12 .lecture-thumb12 img{width:100%;height:100%;object-fit:contain;aspect-ratio:auto;display:block}.lecture-card12 h2{min-height:2.7em}.thumb-error12{font-size:12px;color:var(--muted)}.thumb-error12[hidden],.lecture-thumb12 img[hidden]{display:none!important}.lecture-thumb12:has(.thumb-error12:not([hidden])) .youtube-play11{display:none}

@media(max-height:820px) and (min-width:761px){.radar-card11.radar-card12{padding:16px 18px 12px;gap:5px}.radar-card12 h2{font-size:18px;margin-top:4px}.radar-card12 .eyebrow{font-size:8px}.radar-card12>footer{padding-top:9px}.radar-card12>footer>span{font-size:9px}.radar-card12>footer .text-btn{font-size:10px}.sidebar.sidebar12{padding:14px 14px}.sidebar12 .nav-caption{margin-top:10px;margin-bottom:6px}.sidebar12 .side-bottom{padding-top:10px}}
@media(min-width:761px) and (max-width:1100px){.report-desk6 .learning-pane[data-report-tab6=overview]{grid-template-columns:minmax(290px,1fr) minmax(280px,1fr);gap:10px}.learning-pane[data-report-tab6=overview] .record-subject10{display:none}.learning-pane[data-report-tab6=overview] .learning-record.record10{grid-template-columns:18px minmax(0,1fr) 43px 42px!important;gap:7px!important}.learning-pane[data-report-tab6=overview] .record-link9{font-size:11px!important}.radar-card12>footer>span{font-size:8px}}
@media(max-width:760px){.sidebar.sidebar12{padding:16px 14px}.sidebar12 .side-header{height:42px;min-height:42px;margin-bottom:4px}.sidebar12 .nav-caption{margin:9px 10px 5px;font-size:10px}.sidebar12 .side-bottom{padding-top:8px}.sidebar12 .nav-item{font-size:13px}.report-desk6 .learning-pane[data-report-tab6=overview]{grid-template-columns:minmax(0,1fr);grid-template-rows:auto 35px minmax(0,1fr);gap:9px}.report-switch12{display:flex;grid-row:2;grid-column:1;gap:5px;padding:3px;border-radius:10px;background:var(--surface-soft);min-height:35px}.report-switch12 button{flex:1;font-size:11px;border-radius:8px;color:var(--muted);font-weight:650}.report-switch12 button.active{background:var(--surface);color:var(--blue);box-shadow:0 1px 5px #1c31500c}.learning-pane[data-report-tab6=overview]>.radar-card12,.learning-pane[data-report-tab6=overview]>.learning-records{grid-column:1;grid-row:3}.learning-pane[data-report-tab6=overview][data-panel12=shape]>.learning-records,.learning-pane[data-report-tab6=overview][data-panel12=records]>.radar-card12{display:none!important}.radar-card11.radar-card12{padding:16px 14px 12px;gap:5px}.radar-card12 h2{font-size:19px;margin-top:4px}.radar-card12 .eyebrow{font-size:8px}.radar-svg12{max-height:430px}.radar-label12{font-size:18px}.radar-value12{font-size:25px}.radar-card12>footer{padding-top:10px}.radar-card12>footer>span{font-size:8px}.radar-card12>footer .text-btn{font-size:9px}.learning-pane[data-report-tab6=overview] .learning-record.record10{grid-template-columns:16px minmax(0,1fr) 39px 39px!important;gap:6px!important}.learning-pane[data-report-tab6=overview] .record-subject10{display:none}.learning-pane[data-report-tab6=overview] .record-link9{font-size:11px!important}.learning-pane[data-report-tab6=overview] .learning-record time{font-size:9px!important}.learning-pane[data-report-tab6=overview] .learning-record .badge{font-size:9px;padding:4px}.english-actions12{gap:7px;flex-wrap:nowrap;min-height:36px}.english-actions12 .subtype-check9,.english-actions12 .word-launch12{height:35px;min-height:35px;padding:7px 9px;font-size:10px;gap:5px}.word-launch12 .icon{width:13px;height:13px}.word-launch12 small{font-size:8px;padding:3px 4px}.book-detail12 .desk-head9 h1{font-size:20px}.book-board12 .book-row12{grid-template-columns:28px minmax(0,1fr) 48px;gap:8px;padding:7px 10px}.book-row12>b{font-size:11px}.book-row12.book-head12>b,.book-row12.book-head12{font-size:10px}.book-row12>.badge{font-size:9px;min-width:43px;padding:5px 4px}.book-number12{font-size:11px}.book-row12.book-head12>span:last-child{padding-right:2px}.group-detail12{gap:13px}.group-meta12>b{font-size:11px}.group-class12{padding:12px;gap:7px}.group-class12>small{width:100%;margin-left:0;font-size:10px}.group-problems12>header{padding:12px}.group-code12>b{font-size:15px}.group-problem12{padding:13px 12px;grid-template-columns:36px minmax(0,1fr) 12px;gap:7px}.group-problem12>b{font-size:11px}.group-problem12>span{font-size:9px}.group-footer12>.btn{font-size:10px;padding:9px 7px}.lecture-editor-grid12{grid-template-columns:1fr;gap:14px}.thumb-frame12{max-height:220px}.lecture-card12 h2{font-size:14px}.lecture-card12 section{padding:11px 13px}}
@media(prefers-reduced-motion:reduce){.radar-running12 *{animation:none!important}}

.radar-card11.radar-card12{align-items:stretch}.radar-stage12{width:100%}.radar-card12>header,.radar-card12>footer{width:100%}.radar-label12{font-size:20px}.radar-value12{font-size:27px}
@media(max-height:850px){.report-desk6{gap:10px!important}.report-desk6>.welcome{min-height:40px}.report-desk6>.welcome>div>p{display:none!important}.report-desk6>.sample-label{padding:4px 9px!important;font-size:10px!important;line-height:1.5}.report-desk6 .learning-stats article{padding:12px 16px;min-height:60px}.report-desk6 .learning-stats{max-height:65px}.radar-card12>footer>span{font-size:9px}.radar-card12>footer .text-btn{font-size:10px}}
@media(max-width:760px){.radar-label12{font-size:21px}.radar-value12{font-size:28px}.report-desk6 .learning-stats article{padding:10px 9px;min-height:64px}.report-desk6 .learning-stats{max-height:76px}.radar-card12>footer>span{font-size:8px}.radar-card12>footer .text-btn{font-size:9px}}

@media(max-width:760px){.report-desk6>.welcome{display:grid!important;grid-template-columns:auto 96px minmax(0,1fr);gap:7px;align-items:center;flex-wrap:nowrap}.report-desk6>.welcome h1{font-size:18px;white-space:nowrap}.report-desk6>.welcome .learning-source select{width:96px;max-width:96px;font-size:10px;padding-left:7px}.report-desk6>.welcome>.btn{font-size:9px;padding:8px 6px;min-height:35px;line-height:1.35}.report-desk6>.welcome>div{min-width:0}}

@media(max-width:760px){.report-desk6>.sample-label{display:none!important}.report-desk6>.learning-tabs button{padding-bottom:9px;font-size:11px}.report-desk6 .learning-stats article{min-height:46px;padding:7px 9px;display:flex;flex-direction:row;align-items:center;gap:5px}.report-desk6 .learning-stats article>span{font-size:9px;line-height:1.35;white-space:normal;max-width:49px}.report-desk6 .learning-stats strong{font-size:21px;white-space:nowrap}.report-desk6 .learning-stats strong small{font-size:8px}.report-desk6 .learning-stats{max-height:50px}.report-desk6 .learning-pane[data-report-tab6=overview]{grid-template-rows:auto 31px minmax(0,1fr);gap:7px}.report-switch12{min-height:31px}.radar-card11.radar-card12{padding-top:12px}.radar-card12>footer{padding-top:8px}}

#modal:has(#lectureForm11){max-height:94dvh!important}#modal:has(#lectureForm11) #modalContent{overflow-y:auto;max-height:calc(94dvh - 80px);padding-bottom:20px}.lecture-form12{gap:10px!important}.lecture-form12>label{margin:0}.lecture-form12 #lectureSave11{position:sticky;bottom:0;z-index:2;flex:none;box-shadow:0 -8px 12px var(--surface)}
@media(min-width:761px) and (max-height:820px){.lecture-form12 .thumb-frame12{max-height:150px}.lecture-form12 .thumbnail-guide12{gap:3px;margin:6px 0}.lecture-form12 .thumbnail-upload12{margin:9px 0 5px}.lecture-form12 .lecture-fields12 label{margin:0 0 7px}.lecture-form12 .upload-status12{font-size:10px}}