body,h1,h2,h3,.brand{color:var(--brand-ink)}h1,.brand{font-weight:900}.brand,.login-story .brand,.learner-shell .brand{color:var(--brand-ink)}.brand-mark{color:#fff;background:linear-gradient(160deg, #25a5ff, var(--brand-blue));box-shadow:0 3px 0 var(--brand-blue-edge);border:1px solid #278dff;border-radius:12px;position:relative;overflow:visible}.brand-sun{background:var(--brand-yellow);border:2px solid #fff;border-radius:50%;width:11px;height:11px;position:absolute;top:-5px;right:-3px;box-shadow:0 1px 2px #10244916}.brand-caption,.workspace-label,.workspace-context,.breadcrumbs,.breadcrumbs strong{color:var(--brand-muted)}.sidebar{background:#fff}.topbar{border-color:var(--brand-line);background:linear-gradient(90deg,#fffdf2,#f5fbff 60%,#edf7ff)}.workspace-dot,.footer-dot{background:var(--brand-blue)}.account .avatar{color:var(--brand-yellow-ink);background:var(--brand-yellow-soft);box-shadow:0 0 0 1px #f1dea4}.nav-item{color:var(--brand-muted);font-weight:700}.nav-item.active{color:var(--brand-blue-edge);background:var(--brand-blue-soft);box-shadow:inset 3px 0 var(--brand-blue)}.nav-item:hover{color:var(--brand-blue-edge);background:#f0f8ff}.sidebar-create{color:var(--brand-blue-edge);border:1px solid var(--brand-blue-line);background:#fff}.sidebar-create:hover{background:var(--brand-blue-soft);border-color:#7ab7ff}.button{border-radius:14px;font-weight:800;position:relative}.button.primary{color:#fff;border:1px solid var(--brand-blue);background:linear-gradient(180deg, var(--brand-action-top), var(--brand-action-bottom));box-shadow:0 4px 0 var(--brand-blue-edge), 0 9px 18px #167dff1a}.button.primary:before{content:"";pointer-events:none;background:#ffffff24;border-radius:4px;width:28px;height:4px;position:absolute;top:5px;left:13px}.button.primary:hover:not(:disabled){background:linear-gradient(#076bd4,#065fc6);transform:translateY(-1px);box-shadow:0 4px #0759b7,0 11px 20px #167dff22}.button.primary:active:not(:disabled){box-shadow:0 1px 0 var(--brand-blue-edge);transform:translateY(3px)}.button.subtle{color:var(--brand-blue-ink);border-color:var(--brand-line);background:#fff}.button.subtle:hover{color:var(--brand-blue-edge);background:var(--brand-blue-soft)}.text-button,.back-link,.material-edit,.material-pagination a{color:var(--brand-blue-ink)}.text-button:hover,.back-link:hover,.material-edit:hover{color:var(--brand-blue-edge)}:focus-visible{outline-color:var(--brand-blue)}input,textarea,select{border-color:var(--brand-line);color:var(--brand-ink)}input:focus,textarea:focus,select:focus{border-color:var(--brand-blue);box-shadow:0 0 0 3px #167dff12}input::placeholder,textarea::placeholder{color:#60708e}input[type=checkbox],input[type=radio]{accent-color:var(--brand-blue)}.icon-button,.copy-link,.material-preview{color:var(--brand-blue-ink)}.icon-button:hover,.material-preview:hover{color:var(--brand-blue-edge);background:var(--brand-blue-soft)}.overview-item{background:#fff;border-radius:18px}.overview-item:hover{border-color:var(--brand-blue-line);box-shadow:0 3px 12px #10244905}.overview-icon.sage{color:var(--brand-success);background:var(--brand-success-soft)}.overview-icon.peach{color:var(--brand-yellow-ink);background:var(--brand-yellow-soft)}.overview-item>span:nth-child(2),.material-meta time,.material-text p,.material-result-count{color:var(--brand-muted)}.overview-item strong{color:var(--brand-ink);font-weight:900}.work-library{border-color:var(--brand-line);box-shadow:0 4px 20px #10244903}.material-tab{color:var(--brand-muted)}.material-tab.selected{color:var(--brand-blue-edge);border-color:var(--brand-blue)}.material-tab span{color:var(--brand-muted);background:#f0f5fa}.view-switch a[aria-current]{background:var(--brand-blue);color:#fff}.material-search{color:var(--brand-muted);border-color:var(--brand-line);background:#f8fcff}.material-search:focus-within{border-color:var(--brand-blue);box-shadow:0 0 0 3px #167dff12}.material-search button{color:var(--brand-blue-edge);border-color:var(--brand-line);background:#edf7ff}.material-open:hover h2{color:var(--brand-blue-edge)}.material-status{color:var(--brand-yellow-ink);background:var(--brand-yellow-soft)}.material-status.published{color:var(--brand-success);background:var(--brand-success-soft)}.copy-link{border-color:var(--brand-line);background:#f5faff}.copy-link:hover{background:var(--brand-blue-soft);border-color:var(--brand-blue-line)}.material-empty h2{color:var(--brand-ink)}.material-empty p{color:var(--brand-muted)}.material-grid .material-item{border-color:var(--brand-line);background:#fff}.material-grid .material-item:hover{border-color:var(--brand-blue-line)}.block-picker{color:var(--brand-ink);border-color:var(--brand-line);background:linear-gradient(160deg,#f0f9ff,#e9f4ff)}.block-picker h3,.block-picker>button{color:var(--brand-ink)}.block-picker>button{border-color:var(--brand-line);background:#fff}.block-picker>button:hover{color:var(--brand-blue-edge);border-color:var(--brand-blue-line);background:#fafdff}.block-picker>button svg{color:var(--brand-blue)}.block-bar>span{color:var(--brand-blue-ink)}.empty-editor{border-color:var(--brand-blue-line);background:#fbfdff}.empty-editor h2,.finished h2{color:var(--brand-ink)}.empty-state-icon{color:var(--brand-blue);background:var(--brand-blue-soft)}.notice,.preview-note{color:var(--brand-blue-edge);border-color:var(--brand-blue-line);background:var(--brand-blue-soft)}.notice.error{color:var(--brand-danger);background:var(--brand-danger-soft);border-color:#f0cec8}.learner-shell{background:var(--brand-canvas)}.learner-shell .brand .brand-mark{width:36px;height:36px}.player-block{border-color:var(--brand-line);box-shadow:0 7px 24px #10244905}.answer-options label{border-color:var(--brand-line);background:#fff}.answer-options label:hover{border-color:var(--brand-blue-line);background:#f7fbff}.answer-options label.chosen{background:var(--brand-blue-soft);color:var(--brand-blue-edge);border-color:var(--brand-blue)}.gap-text input{border-color:var(--brand-blue-line);color:var(--brand-ink);background:#f8fcff}.order-number{color:var(--brand-blue-edge);background:var(--brand-blue-soft)}.option-editor input[type=radio],.option-editor input[type=checkbox],.boolean-key input{accent-color:var(--brand-blue)}.copy-error{color:var(--brand-danger)}.muted{color:var(--brand-muted)}.feedback,.badge,.review-form>p{color:var(--brand-success)}.feedback.incorrect{color:var(--brand-danger)}.feedback.pending,.badge.amber{color:var(--brand-yellow-ink)}.badge{background:var(--brand-success-soft);border-color:#d4eadb}.badge.amber{background:var(--brand-yellow-soft);border-color:#f2e1a1}.share-box{background:var(--brand-success-soft);border-color:#d4eadb}.share-box strong{color:var(--brand-success)}.share-box p{color:#527861}.submitted-answer{border-color:var(--brand-line);background:#f7fbff}progress{background:#e2edf8}progress::-webkit-progress-bar{background:#e2edf8}progress::-webkit-progress-value{background:linear-gradient(90deg, var(--brand-blue), #39a9ff)}progress::-moz-progress-bar{background:var(--brand-blue)}.soft-tag{color:var(--brand-blue-ink);background:var(--brand-blue-soft);border-color:var(--brand-line)}.format-icon.lavender{color:var(--brand-blue);background:var(--brand-blue-soft)}.format-icon.peach,.format-icon.butter{color:var(--brand-yellow-ink);background:var(--brand-yellow-soft)}.login-page{background:var(--brand-canvas)}.login-story h1{color:var(--brand-ink);letter-spacing:-1.8px;font-weight:900}.brand-highlight{color:var(--brand-blue)}.login-story-copy>p,.login-story footer{color:var(--brand-muted)}.login-floating-card{color:var(--brand-ink);border-color:var(--brand-line);background:#fff;box-shadow:0 15px 35px #1024490b}.login-floating-card>span:nth-child(2){color:var(--brand-muted)}.login-floating-card strong{color:var(--brand-ink)}.login-floating-card>svg{color:var(--brand-blue)}.login-practice-card{background:var(--brand-yellow);box-shadow:0 5px 0 var(--brand-yellow-edge), 0 15px 30px #bb970f12;border-color:#ffe664}.practice-label,.login-practice-card>div>span{color:var(--brand-yellow-ink)}.login-practice-card>strong{color:var(--brand-ink);font-weight:900}.login-bubble{color:#fff;background:var(--brand-blue);box-shadow:0 3px 0 var(--brand-blue-edge);border-color:#449aff}.login-panel-inner{border:1px solid var(--brand-line);background:#fff;border-radius:28px;max-width:420px;padding:34px;box-shadow:0 15px 45px #10244908}.auth-form h2{font-weight:900}.auth-form input{color:var(--brand-ink);border-color:var(--brand-line);background:#f7fbff}.auth-form label,.auth-form>p,.auth-form .auth-toggle,.login-footnote{color:var(--brand-muted)}.auth-form .auth-toggle .text-button{color:var(--brand-blue-edge)}@media (max-width:760px){.topbar{background:linear-gradient(90deg,#fffdf2,#edf7ff)}.login-panel{padding:28px 20px 44px}.login-panel-inner{border-radius:24px;max-width:480px;padding:26px}.nav-item.active{box-shadow:inset 0 -3px var(--brand-blue)}}@media (max-width:550px){.overview-item{border-radius:0}.login-panel{padding:22px 14px 38px}.login-panel-inner{padding:24px 20px}}@media (prefers-reduced-motion:reduce){.button.primary:hover:not(:disabled),.button.primary:active:not(:disabled){transform:none}}.topbar{border-bottom:3px solid var(--brand-yellow);background:#fff;height:54px}.breadcrumbs strong,.eyebrow,.reading-head .eyebrow,.editor-intro .eyebrow{color:var(--brand-blue-ink);font-weight:800}.nav-item{color:var(--brand-ink);white-space:nowrap;gap:8px;min-height:44px;padding:10px}.nav-item.active>svg:last-child:not(:first-child){display:none}.nav-item.active,.nav-item.active:hover{color:#fff;background:var(--brand-action-bottom);box-shadow:inset 4px 0 var(--brand-yellow)}.sidebar-create,.sidebar-create:hover{color:var(--brand-ink);background:var(--brand-yellow);border:1px solid var(--brand-yellow-edge);box-shadow:0 3px 0 var(--brand-yellow-edge);font-weight:800}.account .avatar{background:var(--brand-yellow);color:var(--brand-ink)}.main-area>main{padding:22px 24px 44px}.page-heading,.workspace-heading{margin-bottom:18px}.workspace-overview{gap:12px;margin-bottom:20px}.overview-item{min-height:76px;padding:12px 16px}.overview-item:first-child{background:var(--brand-action-bottom);border-color:var(--brand-blue-edge)}.overview-item:first-child>span:nth-child(2),.overview-item:first-child strong,.overview-item:first-child .overview-arrow{color:#fff}.overview-item:first-child .overview-icon{color:var(--brand-blue-edge);background:#fff}.overview-item:nth-child(2){background:var(--brand-yellow);border-color:var(--brand-yellow-edge)}.overview-item:nth-child(2)>span:nth-child(2),.overview-item:nth-child(2) strong,.overview-item:nth-child(2) .overview-arrow{color:var(--brand-ink)}.overview-icon,.material-file{color:#fff;background:var(--brand-action-bottom)}.work-library,.work-panel,.result-card{border-top:3px solid var(--brand-blue)}.work-library{padding:0 18px}.material-tabs{gap:6px;padding:10px 0}.material-tab{color:var(--brand-ink);border:0;border-radius:9px;padding:8px 12px}.material-tab.selected{background:var(--brand-action-bottom);color:#fff}.material-tab.selected span{color:var(--brand-ink);background:var(--brand-yellow)}.material-search{border-color:var(--brand-blue-line);background:#fff}.material-search button{background:var(--brand-yellow);color:var(--brand-ink);border-color:var(--brand-yellow-edge);font-weight:800}.material-search button:hover{background:#ffe04d}.material-status,.badge.amber{color:var(--brand-ink);background:var(--brand-yellow);border-color:var(--brand-yellow-edge)}.material-empty{padding:28px 16px}.button.subtle,.copy-link{border-color:var(--brand-blue-line)}input,select,textarea{border-color:#7094c5;padding:9px 11px}label input,label textarea,label select{margin-top:6px}.title-input,.description-input{padding-left:0}.teaching-layout,.assignment-teacher{gap:16px}.work-panel,.result-card{border-radius:14px;margin-bottom:16px;padding:18px}.work-panel h2,.panel-heading{margin-bottom:12px}.action-form{margin-top:12px}.action-form label{margin-bottom:12px}.entity-row,.roster-card,.group-member,.assignment-card,.calendar-card,.submission-answer{padding-top:12px;padding-bottom:12px}.course-section{padding:16px 0}.course-lesson{margin-top:10px;padding:12px}.compact-empty{padding:24px 10px}.assignment-head{margin-top:20px}.assignment-status{border-top:3px solid var(--brand-yellow);margin-top:16px;margin-bottom:16px;padding:16px 20px}.editor-top{padding-bottom:16px}.editor-intro{padding:20px 0 16px}.editor-grid{gap:18px}.empty-editor{min-height:220px;padding:24px 20px}.exercise-stack{gap:16px}.exercise-editor{border-radius:14px;padding:18px}.block-bar{background:var(--brand-action-bottom);border:0;border-radius:9px;margin-bottom:16px;padding:9px 11px}.block-bar>span,.block-bar .icon-button{color:#fff}.block-bar .icon-button:hover:not(:disabled){background:#ffffff25}.block-picker{background:var(--brand-action-bottom);color:#fff;border-color:var(--brand-blue-edge);padding:18px 14px}.block-picker .eyebrow,.block-picker h3,.block-picker .block-search,.block-picker>p,.block-picker .picker-note{color:#fff}.block-picker .block-search{margin:10px 0 12px}.block-picker>button{border-color:#0000;min-height:40px;margin-bottom:6px;padding:9px}.block-picker>button:hover{background:var(--brand-yellow);color:var(--brand-ink);border-color:var(--brand-yellow)}.block-picker .picker-note>span{color:var(--brand-yellow)}.rich-fields{gap:12px}.exercise-editor>label+.rich-fields{margin-top:10px}.rich-item{gap:10px;margin-top:12px;padding:12px}.learner-shell>header{border-bottom:3px solid var(--brand-yellow);padding:16px 24px}.player{max-width:860px;padding:24px 24px 44px}.reading-head{margin-bottom:20px}.reading-head h1{margin:10px 0;font-size:30px}.reading-head>p{line-height:1.65}.progress-label{margin-top:16px}.player-block{border-top:3px solid var(--brand-blue);border-radius:14px;margin:0 0 16px;padding:18px 20px}.player-block>.eyebrow{background:var(--brand-yellow);color:var(--brand-ink);border-radius:6px;padding:3px 8px;font-weight:800;display:inline-block}.player-block>h2{margin:8px 0 12px;font-size:20px;line-height:1.4}.player-block.note{background:var(--brand-yellow-soft);border-color:var(--brand-yellow-edge)}.player-block.divider{border-top-color:var(--brand-blue);padding:12px 0 0}.reading-text,.gap-text,.writing-answer{color:var(--brand-ink)}.reading-text{font-size:16px;line-height:1.7}.answer-instruction{margin-bottom:8px;font-size:13px;line-height:1.6}.answer-options{gap:8px;margin-top:12px}.answer-options label{border-color:var(--brand-blue-line);padding:10px 12px;font-size:15px}.answer-options label.chosen{background:var(--brand-yellow);color:var(--brand-ink);border-color:var(--brand-blue);font-weight:700}.gap-text{font-size:16px;line-height:2.35}.gap-text input{border:2px solid var(--brand-blue);background:#fff;border-radius:8px;max-width:100%;margin:0 2px;padding:4px 6px;font-size:16px;font-weight:700;line-height:1.4}.gap-text select[data-filled=true],.gap-text input[data-filled=true],.bank-gap[data-filled=true]{background-color:var(--brand-yellow);color:var(--brand-ink);border-color:var(--brand-yellow-edge);border-style:solid}.gap-text input:disabled,.gap-text select:disabled,.bank-gap:disabled{opacity:1;color:var(--brand-ink);-webkit-text-fill-color:var(--brand-ink)}.bank-gap.active{border-color:var(--brand-blue)}.word-chip{background:var(--brand-action-bottom)}.answer-footer{flex-wrap:wrap;gap:12px;margin-top:14px}.feedback{font-size:12px}.writing-answer{margin-top:12px}.matching-answer select,.ordering-answer li{border-color:var(--brand-blue-line);background:#fff}.order-number{background:var(--brand-yellow);color:var(--brand-ink)}.media-navigation{gap:12px;margin-top:12px}.lesson-images img{max-height:420px}.flashcard{background:var(--brand-action-bottom);border-color:var(--brand-blue-edge);color:#fff;gap:18px;min-height:180px;padding:22px}.flashcard .flashcard-side,.flashcard>span:last-child{color:#fff}.flashcard.flipped{background:var(--brand-yellow);border-color:var(--brand-yellow-edge);color:var(--brand-ink)}.flashcard.flipped .flashcard-side,.flashcard.flipped>span:last-child{color:var(--brand-ink)}.media-transcript{background:var(--brand-blue-soft);padding:12px}.finished{padding:18px 12px}.finished>span{background:var(--brand-yellow);width:44px;height:44px;color:var(--brand-blue-ink);border-radius:12px;font-size:28px}.login-story{background:linear-gradient(145deg,#0875e1,#0869d4)}.login-story .brand,.login-story h1,.login-story-copy>p,.login-story footer,.login-story .brand-caption{color:#fff}.login-story .brand-highlight,.login-title-dot{color:var(--brand-yellow)}.login-story .brand-mark{color:var(--brand-blue);background:#fff;border-color:#fff}.login-orbit,.login-orbit:after{border-color:#fff5}.login-welcome-icon{color:var(--brand-ink);background:var(--brand-yellow);border-color:var(--brand-yellow-edge)}.auth-form input{background:#fff;border-color:#7094c5}@media (max-width:760px){.main-area>main{padding:18px 16px 36px}.topbar{background:#fff}.nav-item.active,.nav-item.active:hover{box-shadow:inset 0 -3px var(--brand-yellow)}.material-tab{padding:8px 10px}.work-panel,.result-card{padding:16px}.player{padding:20px 16px 36px}.player-block{padding:16px}.reading-head h1{font-size:27px}.block-picker,.exercise-editor{padding:16px}}@media (max-width:550px){.workspace-overview{gap:0}.overview-item{min-height:54px;padding:9px 13px}.work-library{padding:0 12px}.block-picker>button{width:auto}.player-block>h2{font-size:19px}.gap-text input,.choice-gaps .gap-text select,.bank-gap{min-height:36px}}.letter-slots,.tile-pool{flex-wrap:wrap;gap:8px;margin:12px 0;display:flex}.letter-tile{color:#fff;width:42px;min-height:42px;font:inherit;background:#0869d4;border:1px solid #0869d4;border-radius:10px;font-size:20px;font-weight:700;box-shadow:0 3px #0753a5}.letter-slots .letter-tile{color:#435574;box-shadow:none;background:#fff;border:1px dashed #7094c5}.letter-slots .letter-tile[data-filled=true]{color:#122652;background:#ffd21a;border:1px solid #e3b700;box-shadow:0 3px #d4aa00}.tile-pool .letter-tile:disabled{opacity:.35;box-shadow:none}.letter-slots .letter-tile:disabled{opacity:1;-webkit-text-fill-color:currentColor}.tile-status{color:#435574;overflow-wrap:anywhere;font-size:13px}.category-columns{grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr));gap:12px;display:grid}.category-column{background:#f4f8ff;border:1px solid #bfd1eb;border-radius:12px;min-width:0;overflow:hidden}.category-column h3{color:#fff;overflow-wrap:anywhere;background:#0869d4;justify-content:space-between;align-items:center;gap:8px;margin:0;padding:10px 12px;font-size:15px;display:flex}.category-column h3 span{color:#122652;background:#ffd21a;border-radius:6px;padding:2px 7px}.category-chip{color:#fff;max-width:100%;font:inherit;overflow-wrap:anywhere;text-align:left;background:#0869d4;border:1px solid #0869d4;border-radius:9px;align-items:center;gap:8px;padding:8px 12px;font-size:14px;display:inline-flex}.category-chip[aria-pressed=true],.category-chip.placed{color:#122652;background:#ffd21a;border-color:#d4aa00}.category-chip:disabled{opacity:1;-webkit-text-fill-color:currentColor}.category-place{color:#0869d4;width:calc(100% - 20px);font:inherit;overflow-wrap:anywhere;background:#fff;border:1px dashed #7094c5;border-radius:8px;margin:10px;padding:8px;font-size:13px;display:block}.category-place:disabled{color:#435574}.category-members{flex-wrap:wrap;gap:6px;padding:0 10px 10px;display:flex}@media (max-width:600px){.letter-tile{width:38px;min-height:40px}.category-columns{gap:8px}}.picture-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr));gap:12px;margin:12px 0;display:grid}.picture-card{background:#f4f8ff;border:1px solid #bfd1eb;border-radius:12px;flex-direction:column;gap:10px;min-width:0;padding:10px;display:flex;position:relative}.picture-card[data-active=true]{border:2px solid #0869d4;padding:9px;box-shadow:0 0 0 3px #dcecff}.picture-card>img{object-fit:contain;background:#fff;border-radius:8px;width:100%;height:160px;display:block}.picture-number{color:#122652;background:#ffd21a;border-radius:6px;place-items:center;min-width:24px;height:24px;font-size:12px;font-weight:800;display:grid;position:absolute;top:16px;left:16px}.picture-card>p{overflow-wrap:anywhere;margin:0;font-size:13px}.picture-card input,.picture-card select{width:100%;min-width:0;font:inherit;color:#122652;background:#fff;border:1px solid #7094c5;border-radius:8px;padding:8px 10px;font-size:14px}.picture-card input[data-filled=true],.picture-card select[data-filled=true],.picture-slot[data-filled=true]{color:#122652;background:#ffd21a}.picture-card input:disabled,.picture-card select:disabled{opacity:1;-webkit-text-fill-color:#122652}.picture-bank-slot{gap:4px;display:flex}.picture-slot{color:#fff;min-width:0;font:inherit;overflow-wrap:anywhere;background:#0869d4;border:1px solid #0869d4;border-radius:8px;flex:1;padding:9px;font-size:14px}.picture-clear{color:#122652;background:#fff;border:1px solid #7094c5;border-radius:8px;width:30px;font-size:20px}.picture-answer .category-chip:disabled{opacity:.35}.picture-slot:disabled{opacity:1;-webkit-text-fill-color:currentColor}.picture-fallback{text-align:center;color:#435574;overflow-wrap:anywhere;flex-direction:column;justify-content:center;gap:8px;min-height:160px;font-size:14px;display:flex}.picture-fallback span{font-size:12px}.picture-author-row{align-items:start;gap:12px;display:flex}.picture-author-row>div{flex:1;min-width:0}.picture-author-preview{object-fit:contain;background:#fff;border:1px solid #bfd1eb;border-radius:10px;width:100px;height:100px}@media (max-width:600px){.picture-author-row{flex-direction:column}.picture-author-row>div{width:100%}}.rich-editor-tabs,.rich-text-tools{flex-wrap:wrap;gap:6px;margin:8px 0;display:flex}.rich-editor-tabs button,.rich-text-tools button{color:#122652;font:inherit;background:#fff;border:1px solid #7094c5;border-radius:7px;padding:6px 9px;font-size:12px}.rich-editor-tabs button[aria-pressed=true]{color:#fff;background:#0869d4;border-color:#0869d4}.rich-text-tools button:hover{background:#ffd21a}.rich-editor-preview{background:#fff;border:1px solid #bfd1eb;border-radius:10px;min-height:180px;padding:16px}.rich-text{color:#122652;overflow-wrap:anywhere;font-size:15px;line-height:1.7}.rich-text>:first-child{margin-top:0}.rich-text>:last-child{margin-bottom:0}.rich-text p{white-space:pre-wrap;margin:10px 0}.rich-text h3{margin:18px 0 8px;font-size:19px}.rich-text h4,.rich-text h5,.rich-text h6{margin:14px 0 6px}.rich-text a{color:#0869d4;text-underline-offset:3px;text-decoration:underline}.rich-text blockquote{background:#dcecff;border-left:4px solid #0869d4;border-radius:0 8px 8px 0;margin:12px 0;padding:8px 14px}.rich-text ul,.rich-text ol{margin:10px 0;padding-left:24px}.rich-text img{object-fit:contain;border-radius:10px;max-width:100%;max-height:420px}.rich-text code{background:#dcecff;border-radius:4px;padding:2px 5px;font-size:.9em}.rich-text pre{background:#dcecff;border-radius:10px;padding:12px;overflow:auto}.rich-table-scroll{max-width:100%;margin:12px 0;overflow:auto}.rich-text table{border-collapse:collapse;width:100%;font-size:14px}.rich-text th,.rich-text td{text-align:left;border:1px solid #bfd1eb;padding:8px 12px}.rich-text th{color:#fff;background:#0869d4}.lesson-callout{background:#dcecff;border-left:4px solid #0869d4;border-radius:10px;padding:16px}.lesson-callout.important{background:#fff2a8;border-color:#d4aa00}.lesson-callout.example{background:#f4f8ff;border-color:#0869d4}.lesson-external-link{color:#0869d4;overflow-wrap:anywhere;background:#fff;border:1px solid #0869d4;border-radius:10px;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;font-weight:700;display:flex}.lesson-external-link small{color:#435574;margin-top:4px;font-size:12px;font-weight:500;display:block}.embedded-material iframe{background:#fff;border:1px solid #bfd1eb;border-radius:12px;width:100%;height:520px;max-height:80vh;display:block}.embed-launch{text-align:center;background:#dcecff;border:1px solid #bfd1eb;border-radius:12px;padding:24px}.embed-launch strong{color:#122652;font-size:22px}.embed-launch p{color:#435574;overflow-wrap:anywhere;max-width:540px;margin:10px auto 16px;font-size:14px}.embed-footer{flex-wrap:wrap;justify-content:space-between;gap:12px;margin:10px 0;font-size:13px;display:flex}.embed-footer a{color:#0869d4;text-underline-offset:3px;text-decoration:underline}.vocabulary-sidebar{align-content:start;gap:14px;display:grid}.vocabulary-sidebar details+details{margin-top:14px}.vocabulary-sidebar summary{color:#122652;cursor:pointer;padding:6px 0;font-size:14px;font-weight:700}.vocabulary-selection{background:#dcecff;border-radius:9px;flex-wrap:wrap;align-items:center;gap:8px 14px;margin:12px 0;padding:10px;font-size:13px;display:flex}.vocabulary-copy{border:1px solid #bfd1eb;border-radius:10px;flex-wrap:wrap;align-items:end;gap:10px;margin:10px 0;padding:12px;display:flex}.vocabulary-copy label{flex:1;min-width:160px}.vocabulary-word{border-bottom:1px solid #bfd1eb;padding:14px 0}.vocabulary-word:last-child{border-bottom:0}.vocabulary-word-head{align-items:start;gap:12px;display:flex}.vocabulary-word-head>input{accent-color:#0869d4;flex:0 0 16px;width:16px;height:16px;margin-top:5px}.vocabulary-word-head>div{min-width:0}.vocabulary-word h3{color:#122652;overflow-wrap:anywhere;margin:0 0 4px;font-size:17px}.vocabulary-word p{overflow-wrap:anywhere;margin:4px 0;font-size:14px}.vocabulary-example{color:#435574;overflow-wrap:anywhere;font-size:14px;line-height:1.6}.vocabulary-word small{margin-top:7px;font-size:12px;display:block}.vocabulary-share{border-bottom:1px solid #bfd1eb;padding:10px 0;font-size:14px}.vocabulary-share>span{overflow-wrap:anywhere;font-weight:700;display:block}.vocabulary-share .action-form{margin-top:6px}.vocabulary-share .button{color:#0869d4;box-shadow:none;background:#fff;border:1px solid #7094c5}.vocabulary-study{max-width:800px;margin:30px auto 60px}.vocabulary-study h1{font-size:30px;line-height:1.15}.vocabulary-study .work-panel{margin-top:18px}.study-mode-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:14px 0;display:grid}.study-mode-grid button{color:#122652;font:inherit;background:#fff;border:1px solid #7094c5;border-radius:10px;padding:18px 12px;font-weight:700}.study-mode-grid button.selected{color:#fff;background:#0869d4;border-color:#0869d4;box-shadow:0 3px #0753a5}.study-setup>label{max-width:220px}.study-round fieldset{border:0;min-width:0;margin:14px 0 0;padding:0}.study-round .flashcard-player{margin:16px 0}.study-round .flashcard:disabled{opacity:1}.study-card-actions,.study-finish-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:14px;display:flex}.study-feedback{background:#f4f8ff;border:1px solid #bfd1eb;border-radius:10px;margin-top:14px;padding:14px}.study-feedback p{overflow-wrap:anywhere;margin:4px 0 8px;font-size:14px}.study-feedback .correct{color:#246747}.study-feedback .incorrect{color:#a44529}.study-feedback .button{margin-top:8px}.study-finished{text-align:center}.study-finished>svg{color:#0869d4}@media (max-width:600px){.vocabulary-study{margin:20px auto 40px}.vocabulary-study h1{font-size:26px}.study-mode-grid button{padding:14px 8px;font-size:14px}}.study-round select:disabled{opacity:1;color:#122652;-webkit-text-fill-color:#122652;background:#ffd21a;border-color:#d4aa00}.verb-search{max-width:560px;margin:12px 0;display:block}.verb-table-scroll{max-width:100%;overflow-x:auto}.verb-table{border-collapse:collapse;width:100%;min-width:620px;font-size:14px}.verb-table th,.verb-table td{text-align:left;vertical-align:top;border-bottom:1px solid #bfd1eb;padding:10px 12px}.verb-table thead th{color:#fff;background:#0869d4;font-size:12px}.verb-table thead th:first-child{border-radius:9px 0 0}.verb-table thead th:last-child{border-radius:0 9px 0 0}.verb-table tbody th{color:#0869d4;font-weight:800}.verb-table tbody tr[data-selected=true]{background:#fff2a8}.verb-table input[type=checkbox]{accent-color:#0869d4;width:16px;height:16px}.verb-table details{max-width:240px;margin-top:5px}.verb-table summary{color:#0869d4;cursor:pointer;font-size:12px}.verb-table details p{margin:8px 0 0;font-size:12px;line-height:1.5}.verb-import{max-width:640px;margin-top:16px}.vocabulary-destination{border:0;gap:12px;min-width:0;margin:12px 0 16px;padding:0;display:grid}.vocabulary-destination label{color:#122652;font-size:13px;font-weight:700;display:block}.vocabulary-destination input,.vocabulary-destination select{box-sizing:border-box;color:#122652;width:100%;min-width:0;font:inherit;background:#fff;border:1px solid #7094c5;border-radius:9px;margin-top:6px;padding:9px 11px;font-size:14px}.vocabulary-picker-search{align-items:end;gap:8px;display:flex}.vocabulary-picker-search input{flex:1}.vocabulary-picker-pages{justify-content:space-between;align-items:center;gap:10px;font-size:12px;display:flex}.vocabulary-destination summary{cursor:pointer;color:#0869d4;font-size:13px;font-weight:700}.vocabulary-destination details label{margin:10px 0}.selection-vocabulary-bar{z-index:40;box-sizing:border-box;background:#fff;border:1px solid #0869d4;border-radius:13px;align-items:center;gap:10px;max-width:calc(100% - 24px);padding:9px 10px 9px 16px;display:flex;position:fixed;bottom:18px;left:50%;transform:translate(-50%);box-shadow:0 8px 30px #12265233}.selection-vocabulary-bar>span{text-overflow:ellipsis;white-space:nowrap;color:#122652;max-width:220px;font-size:14px;font-weight:700;overflow:hidden}.selection-vocabulary-bar .button{white-space:nowrap}.vocabulary-dialog{box-sizing:border-box;color:#122652;background:#fff;border:1px solid #0869d4;border-top-width:4px;border-radius:16px;width:min(560px,100% - 24px);max-height:calc(100dvh - 32px);padding:22px;overflow:auto;box-shadow:0 18px 60px #12265244}.vocabulary-dialog::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#12265288}.vocabulary-dialog .panel-heading h2{margin:0;font-size:22px}.selection-vocabulary-form>fieldset{border:0;gap:12px;min-width:0;margin:12px 0;padding:0;display:grid}.selection-vocabulary-form label{font-size:13px;font-weight:700;display:block}.selection-vocabulary-form input,.selection-vocabulary-form textarea{box-sizing:border-box;color:#122652;width:100%;font:inherit;background:#fff;border:1px solid #7094c5;border-radius:9px;margin-top:6px;padding:9px 11px;font-size:14px;display:block}.selection-vocabulary-saved{overflow-wrap:anywhere;gap:14px;padding-top:14px;font-size:14px;display:grid}.selection-vocabulary-saved p{margin:0}@media (max-width:600px){.selection-vocabulary-bar>span{max-width:110px}.vocabulary-dialog{padding:16px}.vocabulary-picker-search{flex-wrap:wrap}}.vocabulary-copy>.vocabulary-destination{flex-basis:100%;margin:0}.asset-upload{gap:7px;min-width:0;margin:10px 0;display:grid}.asset-upload-control{cursor:pointer;background:#dcecff;border:1px solid #7094c5;border-radius:9px;flex-wrap:wrap;align-items:center;gap:8px;width:fit-content;max-width:100%;padding:8px 11px;font-weight:750;color:#0869d4!important;font-size:13px!important;display:inline-flex!important}.asset-upload-control input[type=file]{color:#122652;background:0 0;border:0;width:220px;max-width:100%;margin:0;padding:0;font-size:12px}.asset-upload-control input::file-selector-button{color:#0869d4;cursor:pointer;background:#fff;border:1px solid #0869d4;border-radius:6px;padding:5px 8px}.voice-answer{background:#edf4ff;border:1px solid #bfd1eb;border-left:4px solid #0869d4;border-radius:10px;margin:12px 0;padding:14px}.voice-answer>p:first-child{margin:0 0 12px;font-size:13px;line-height:1.6}.voice-controls{flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px;display:flex}.voice-stop{color:#122652;background:#ffd21a;border-color:#d4aa00}.voice-answer audio,.submitted-answer audio{width:420px;max-width:100%;margin:8px 0;display:block}.text-checking,.text-alternatives{border:1px solid #bfd1eb;border-radius:10px;min-width:0;margin:12px 0 0;padding:11px 12px}.text-checking{background:#dcecff;gap:9px;display:grid}.text-checking legend,.text-alternatives legend{color:#0869d4;padding:0 5px;font-size:12px;font-weight:800}.text-checking .check-label{align-items:center;gap:8px;margin:0;font-size:13px;display:flex}.text-checking input[type=checkbox]{accent-color:#0869d4;width:16px;height:16px;margin:0}.text-checking small,.text-alternatives small{color:#435574;font-size:12px;line-height:1.5}.text-alternatives{background:#fff8ce;gap:8px;display:grid}.text-alternatives-list{gap:7px;display:grid}.text-alternatives-list>div{align-items:center;gap:6px;display:flex}.text-alternatives-list input{flex:1;min-width:0}.boolean-options[data-options="3"]{grid-template-columns:repeat(3,minmax(0,1fr))}@media (max-width:600px){.boolean-options[data-options="3"]{grid-template-columns:minmax(0,1fr)}}.attempt-policy-field{gap:6px;margin:12px 0;font-size:13px;font-weight:700;display:grid}.attempt-policy-field select{color:#122652;font:inherit;background:#fff5b9;border:1px solid #7094c5;border-radius:9px;padding:9px 11px}.attempt-policy-field small{color:#435574;font-size:12px;font-weight:400;line-height:1.5}.attempt-policy-hint{color:#435574;margin:8px 0 12px;font-size:12px;line-height:1.5;display:block}.counted-assessment{color:#122652;background:#fff5b9;border:1px solid #d4aa00;border-left:4px solid #ffd21a;border-radius:9px;gap:4px;margin-top:12px;padding:10px 12px;font-size:13px;display:grid}.counted-assessment span,.counted-assessment small{font-size:12px}.attempt-tools{flex-wrap:wrap;align-items:start;gap:12px;margin:12px 0;display:flex}.reset-attempts{background:#dcecff;border:1px solid #bfd1eb;border-radius:10px;max-width:620px;margin:12px 0;padding:10px 12px}.attempt-tools .reset-attempts{margin:0}.reset-attempts summary{color:#0869d4;cursor:pointer;font-size:13px;font-weight:750}.quiz-editor,.quiz-questions{gap:14px;display:grid}.quiz-question-editor{background:#edf4ff;border:1px solid #bfd1eb;border-radius:12px;padding:12px}.quiz-question-heading{color:#0869d4;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;display:flex}.quiz-question-heading>div{gap:10px;display:flex}.quiz-options-editor{gap:7px;margin:10px 0;display:grid}.quiz-option-editor{grid-template-columns:20px minmax(0,1fr) 28px;align-items:center;gap:9px;display:grid}.quiz-option-editor input[type=radio],.quiz-option-editor input[type=checkbox]{accent-color:#0869d4;width:18px;height:18px;padding:0}.quiz-question{border:0;border-top:1px solid #bfd1eb;min-width:0;margin:0;padding:12px 0}.quiz-question legend{color:#122652;padding:0 8px 0 0;font-size:16px;font-weight:750}.quiz-question .answer-instruction{margin:6px 0}.quiz-question .answer-options{margin-top:6px}.quiz-question legend{margin-bottom:0}.exercise-response{border:0;min-width:0;margin:0;padding:0}.exercise-response:disabled{opacity:1}.exercise-timer{color:#122652;background:#ffd21a;border:1px solid #d4aa00;border-radius:12px;margin:12px 0;padding:12px}.timer-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.timer-heading strong{font-variant-numeric:tabular-nums;font-size:18px}.timer-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.exercise-timer p,.exercise-timer small{margin:8px 0 0;font-size:12px;line-height:1.5}.reset-attempts p{color:#122652;margin:10px 0;font-size:12px;line-height:1.6}.pdf-library-actions,.pdf-setup-fields,.pdf-progress,.pdf-block-heading,.pdf-source-heading{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.pdf-importer{gap:16px;display:grid}.pdf-importer .page-heading{margin:0}.pdf-free-badge{color:#122652;background:#ffd21a;border-radius:10px;padding:8px 12px;font-size:12px;font-weight:800}.pdf-setup{background:#dcecff;border:1px solid #7094c5;border-radius:16px;padding:16px}.pdf-file{color:#fff;background:#167dff;border-radius:12px;gap:8px;padding:16px;display:grid}.pdf-file span{font-size:12px}.pdf-file input{color:#122652;background:#fff;border-radius:8px;max-width:100%;padding:8px}.pdf-setup p{margin:12px 0;font-size:13px;line-height:1.6}.pdf-importer label{gap:6px;font-size:13px;font-weight:700;display:grid}.pdf-importer input:not([type=checkbox]):not([type=radio]):not([type=file]),.pdf-importer select,.pdf-importer textarea{color:#122652;width:100%;min-width:0;font:inherit;box-sizing:border-box;background:#fff;border:1px solid #7094c5;border-radius:9px;padding:9px 10px}.pdf-setup-fields>span{overflow-wrap:anywhere;flex:1;font-size:13px}.pdf-setup-fields label{width:150px}.pdf-setup-fields label:has(select){width:min(270px,100%)}.pdf-progress small{color:#435574;flex-basis:100%;order:3}.pdf-ocr-summary{background:#fff0a6;border:1px solid #dfad00;border-radius:10px;margin-top:10px;padding:12px;font-size:12px;line-height:1.5}.pdf-ocr-summary p{margin:7px 0}.pdf-ocr-summary summary{cursor:pointer;font-weight:750}.pdf-ocr-summary ol{overflow-wrap:anywhere;max-height:220px;padding-left:18px;overflow:auto}.pdf-ocr-summary li{white-space:pre-wrap;margin-bottom:8px}.pdf-ocr-source-label{background:#dcecff;border-radius:8px;padding:10px;font-size:13px}.pdf-ocr-uncertain{-webkit-box-decoration-break:clone;box-decoration-break:clone;background:#fff0a6}.pdf-source-archive .pdf-ocr-original{background:#fff8d9;padding:10px}.pdf-progress{justify-content:space-between;padding-top:12px;font-size:13px}.pdf-warnings{background:#fff5b9;border:1px solid #d4aa00;border-radius:12px;padding:12px 16px;font-size:13px;line-height:1.6}.pdf-warnings summary,.pdf-source summary,.pdf-source-archive summary{cursor:pointer;font-weight:750}.pdf-warnings ul{margin-bottom:0;padding-left:20px}.pdf-title{max-width:650px}.pdf-review{grid-template-columns:minmax(260px,.9fr) minmax(320px,1.1fr);align-items:start;gap:16px;display:grid}.pdf-source{background:#dcecff;border:1px solid #7094c5;border-radius:12px;gap:10px;max-height:calc(100vh - 30px);padding:12px;display:grid;position:sticky;top:12px;overflow:auto}.pdf-source-heading{justify-content:space-between}.pdf-source-heading select{width:auto}.pdf-page-preview{background:#fff;border:1px solid #bfd1eb}.pdf-page-preview canvas{width:100%;height:auto;display:block}.pdf-preview-viewport{max-width:100%;overflow:auto}.pdf-preview-zoom{background:#f3f8ff;justify-content:space-between;align-items:center;padding:8px;font-size:11px!important;display:flex!important}.pdf-preview-zoom select{max-width:120px;margin:0;padding:4px!important}.pdf-source small{font-size:12px;line-height:1.5}.pdf-source pre,.pdf-source-archive pre{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.6 inherit}.pdf-blocks{gap:12px;display:grid}.pdf-block{background:#fff;border:1px solid #bfd1eb;border-radius:12px;min-width:0;padding:12px}.pdf-block.selected{border:2px solid #167dff;padding:11px}.pdf-block-heading{background:#dcecff;border-radius:8px;margin-bottom:10px;padding:6px 8px;font-size:12px}.pdf-block-heading .icon-button{margin-left:auto}.pdf-block fieldset{border:0;gap:10px;min-width:0;margin:0;padding:0;display:grid}.pdf-block-issue{background:#fff5b9;border-left:3px solid #ffd21a;padding:8px;font-size:12px;line-height:1.6}.pdf-key-origin{color:#0869d4;margin:8px 0;font-weight:750;display:block}.pdf-save{background:#dcecff;border:1px solid #7094c5;border-radius:12px;gap:12px;padding:16px;display:grid}.pdf-save label{align-items:start;gap:9px;line-height:1.5;display:flex}.pdf-save input{accent-color:#0869d4;flex-shrink:0;width:18px;height:18px}.pdf-save .button{justify-self:start}.pdf-save small{font-size:12px;line-height:1.5}.pdf-source-archive{gap:12px;display:grid}.pdf-source-archive details{background:#fff;border:1px solid #bfd1eb;border-radius:12px;padding:16px}.pdf-origin-link{margin:0 0 12px;font-size:13px}.pdf-empty-preview{gap:10px;max-width:600px;display:grid}.pdf-source-block-links{flex-wrap:wrap;gap:12px;font-size:13px;display:flex}.exercise-editor[id]{scroll-margin-top:20px}.review-fields{border:0;gap:12px;min-width:0;margin:0;padding:0;display:grid}.writing-annotation-editor{background:#dcecff;border:1px solid #7094c5;border-radius:12px;gap:10px;min-width:0;padding:12px;display:grid}.writing-annotation-editor>strong{color:#0869d4;font-size:15px}.writing-annotation-editor p{margin:0;font-size:13px;line-height:1.6}.writing-selectable,.annotated-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.85}.writing-selectable{-webkit-user-select:text;user-select:text;background:#fff;border:1px solid #7094c5;border-radius:9px;padding:12px;font-size:15px}.writing-selectable::selection,.writing-selectable ::selection{color:#122652;background:#ffd21a}.writing-selectable:focus-visible{outline-offset:2px;outline:3px solid #167dff}.writing-find{border-top:1px solid #a2bce0;padding:8px 0}.writing-find summary,.writing-annotation-editor summary,.writing-history summary{cursor:pointer;color:#0869d4;font-size:13px;font-weight:750}.writing-find label{margin-top:10px}.writing-occurrences{flex-wrap:wrap;gap:10px;margin-top:8px;display:flex}.writing-new-mark{background:#fff5b9;border-left:4px solid #ffd21a;border-radius:8px;gap:10px;padding:12px;display:grid}.writing-new-mark q{white-space:pre-wrap;overflow-wrap:anywhere;font-weight:750}.writing-new-mark .button{justify-self:start}.writing-mark-list{gap:6px;display:grid}.writing-mark-list>div{overflow-wrap:anywhere;background:#fff;border:1px solid #bfd1eb;border-radius:8px;justify-content:space-between;align-items:start;gap:10px;padding:8px 10px;font-size:13px;display:flex}.annotated-writing{color:#122652;margin-top:10px}.annotated-text mark{color:#122652;background:#ffd21a;border-radius:3px;padding:1px 2px}.annotated-text del{color:#9c2424;background:#ffe2e2;text-decoration-thickness:2px}.annotated-text ins{color:#155936;background:#d7f5e1;border-bottom:2px solid #24814b;margin-left:5px;font-weight:750;text-decoration:none}.annotated-text sup{color:#0869d4;white-space:nowrap;margin-left:2px;font-size:11px;font-weight:800}.writing-explanations{gap:10px;margin:12px 0 0;padding-left:24px;font-size:13px;display:grid}.writing-explanations li::marker{color:#0869d4;font-weight:800}.writing-explanations q{white-space:pre-wrap;overflow-wrap:anywhere;font-weight:750}.writing-explanations p{white-space:pre-wrap;overflow-wrap:anywhere;margin:4px 0 0}.writing-feedback{background:#edf4ff;border:1px solid #7094c5;border-top:3px solid #167dff;border-radius:10px;margin:12px 0;padding:12px;font-size:14px}.writing-feedback>strong{color:#0869d4}.writing-history{border-top:1px solid #bfd1eb;margin-top:12px;padding-top:10px}.writing-history-item{background:#fff;border:1px solid #bfd1eb;border-radius:10px;gap:8px;margin-top:12px;padding:12px;display:grid}.writing-history-item small{color:#435574;font-size:12px}.writing-history-item p.submitted-answer{margin:0;font-size:13px}.writing-history-pages{justify-content:space-between;gap:10px;margin-top:12px;font-size:13px;display:flex}.pdf-block textarea{min-height:100px}@media (max-width:1000px){.pdf-review{grid-template-columns:1fr}.pdf-source{max-height:500px;position:static}}.pdf-pictures-option{align-items:center;gap:8px;font-weight:700;display:flex!important}.pdf-pictures-option input{accent-color:#0675ee;height:18px;width:18px!important}.pdf-illustration-fields{gap:12px;display:grid}.pdf-illustration-fields>img{object-fit:contain;background:#fff;border:1px solid #9ec6f2;border-radius:12px;max-width:100%;max-height:380px;margin:0 auto;display:block}.pdf-illustration-fields details{background:#edf5ff;border:1px solid #bdd6f1;border-radius:10px;padding:10px}.pdf-illustration-fields summary{cursor:pointer;color:#084786;font-weight:750}.pdf-crop-bounds{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:10px 0;display:grid}@media (max-width:600px){.pdf-crop-bounds{grid-template-columns:repeat(2,minmax(0,1fr))}}.file-quota{color:#fff;background:linear-gradient(115deg,#075ac7,#168aff);border-radius:18px;margin:20px 0;padding:20px;box-shadow:0 8px 24px #0874d122}.file-quota-heading{align-items:center;gap:12px;display:flex}.file-quota-heading strong{font-size:25px;line-height:1.25}.file-quota-heading strong span{font-size:15px;font-weight:550}.file-quota-heading p{color:#e5f2ff;margin:4px 0 0;font-size:13px}.file-quota-percent{color:#153654;background:#ffd21a;border-radius:12px;margin-left:auto;padding:8px 12px;font-weight:850}.file-quota progress{accent-color:#ffd21a;background:#fff4;border:none;border-radius:20px;width:100%;height:10px;margin:16px 0 8px;overflow:hidden}.file-quota progress::-webkit-progress-bar{background:#fff4;border-radius:20px}.file-quota progress::-webkit-progress-value{background:#ffd21a;border-radius:20px}.file-quota-details{flex-wrap:wrap;gap:8px 25px;font-size:12px;display:flex}.file-tabs{border-bottom:1px solid #bed5ee;gap:5px;margin:18px 0 14px;display:flex}.file-tabs a{color:#1d4673;border-radius:10px 10px 0 0;align-items:center;gap:7px;padding:10px 16px;font-weight:750;text-decoration:none;display:flex}.file-tabs a[aria-current=page]{color:#102d50;background:#ffd21a;border-bottom:3px solid #0770e3}.file-filters{grid-template-columns:minmax(160px,2fr) repeat(3,minmax(115px,1fr)) auto;align-items:end;gap:10px;margin-bottom:18px;display:grid}.file-filters label{gap:5px;font-size:12px;font-weight:750;display:grid}.file-filters input,.file-filters select{width:100%;min-width:0}.file-list-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:10px;display:flex}.file-list-heading small{text-align:right;max-width:570px}.file-list{background:#fff;border:1px solid #bed5ee;border-radius:16px;overflow:hidden}.file-row{border-bottom:1px solid #d9e6f5;align-items:center;gap:14px;padding:14px 16px;display:flex}.file-row:last-child{border:0}.file-thumb{color:#076ad6;background:#e1efff;border:1px solid #b8d3f1;border-radius:12px;flex:0 0 62px;place-items:center;width:62px;height:62px;display:grid;overflow:hidden}.file-thumb img{object-fit:contain;width:100%;height:100%}.file-info{flex:1;min-width:0}.file-info h2{overflow-wrap:anywhere;margin:0;font-size:14px;line-height:1.35}.file-info p{color:#4c637b;margin:4px 0 7px;font-size:12px}.file-use-tags{color:#315477;flex-wrap:wrap;gap:5px;font-size:11px;display:flex}.file-use-tags span{background:#edf4fc;border-radius:7px;padding:3px 7px}.file-use-tags .ready{color:#0050ad;background:#d4edff}.file-use-tags .trashed,.file-use-tags .pending,.file-use-tags .purging{color:#614800;background:#fff0a8}.file-row-actions{flex-wrap:wrap;justify-content:end;gap:10px;max-width:265px;display:flex}.file-row-actions button,.file-row-actions a{font-size:12px}.file-row-actions button:disabled{opacity:.5;cursor:not-allowed}.file-danger{color:#ac293e!important}.file-danger-solid{color:#fff;background:#b72942;border-color:#b72942}.file-pagination{justify-content:space-between;align-items:center;gap:12px;margin:18px 0;font-size:13px;display:flex}.file-global-upload{cursor:pointer;position:relative;overflow:hidden}.file-global-upload input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.file-picker-dialog,.file-confirm-dialog{color:#142e50;background:#f8fbff;border:1px solid #a9c8ed;border-radius:20px;width:min(760px,100vw - 28px);max-height:88dvh;padding:22px;box-shadow:0 24px 90px #062e6544}.file-confirm-dialog{width:min(490px,100vw - 28px)}.file-picker-dialog::backdrop,.file-confirm-dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#06204e88}.file-dialog-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.file-dialog-heading h2{margin:4px 0 0;font-size:24px}.file-picker-search{background:#fff;border:1px solid #a8c7eb;border-radius:12px;align-items:center;gap:8px;padding:0 12px;display:flex}.file-picker-search input{box-shadow:none;border:none;width:100%}.file-picker-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:14px 0;display:grid}.file-picker-item{color:#163e6d;cursor:pointer;text-align:left;overflow-wrap:anywhere;background:#fff;border:1px solid #b9d3f0;border-radius:12px;flex-direction:column;gap:7px;min-width:0;padding:10px;display:flex}.file-picker-item:hover:not(:disabled){border-color:#0879ed;box-shadow:0 0 0 2px #0879ed22}.file-picker-item:disabled{cursor:not-allowed;background:#edf2f9}.file-picker-item img{object-fit:contain;border-radius:7px;width:100%;height:100px}.file-picker-item strong{font-size:12px}.file-picker-item small{color:#526b87;font-size:11px}.file-confirm-name{overflow-wrap:anywhere;background:#e4efff;border-radius:10px;padding:12px;font-weight:750}.file-confirm-actions{flex-wrap:wrap;justify-content:end;gap:10px;margin-top:20px;display:flex}.asset-pick-button{margin:2px 0;font-size:12px}@media (max-width:1000px){.file-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.file-filters>label:first-child{grid-column:1/-1}.file-row{flex-wrap:wrap}.file-row-actions{max-width:none;margin-left:76px}}@media (max-width:600px){.file-quota{padding:15px}.file-quota-heading strong{font-size:20px}.file-list-heading{display:block}.file-list-heading small{text-align:left;margin-top:5px;display:block}.file-picker-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.file-row{gap:10px;padding:12px}.file-row-actions{justify-content:flex-start;width:100%;margin-left:0}.file-thumb{flex-basis:48px;width:48px;height:48px}}.truth-editor,.truth-answers{gap:14px;display:grid}.truth-row-editor{background:#f5faff;border:1px solid #bad7ff;border-radius:16px;gap:12px;padding:14px;display:grid}.truth-answer-row{background:#fff;border:1px solid #bfdbfe;border-radius:16px;min-width:0;margin:0;padding:14px}.truth-answer-row legend{overflow-wrap:anywhere;max-width:100%;padding:0 6px;font-weight:700;line-height:1.55}.truth-answer-row .answer-options{margin-top:8px}.truth-row-editor .quiz-question-heading{flex-wrap:wrap;gap:8px}.exercise-editor .truth-editor label+label{margin-top:0}.truth-row-editor .boolean-key{gap:12px;margin:0}.truth-row-editor .boolean-key legend{margin-bottom:6px}.truth-row-editor textarea{min-height:58px}@media (max-width:600px){.truth-answer-row{padding:10px}.truth-answer-row .boolean-options[data-options="3"]{grid-template-columns:repeat(3,minmax(0,1fr))}.truth-answer-row .boolean-options[data-options="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}.truth-answer-row .answer-options{gap:6px}.truth-answer-row .answer-options label{gap:5px;min-width:0;min-height:44px;padding:7px;font-size:12px}.truth-answer-row .answer-options input{flex-shrink:0;width:15px;height:15px}}
.classroom-panel-toggle{display:none}.classroom-cards{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:18px;display:grid}.classroom-card{border:1px solid var(--brand-blue-line);background:linear-gradient(125deg,#fff,#e2efff);border-radius:18px;padding:20px;transition:transform .15s;box-shadow:0 3px #c9dbf7}.classroom-card:hover{transform:translateY(-2px)}.classroom-card h2{margin:14px 0 8px;font-size:21px}.classroom-card p{margin-bottom:14px}.classroom-card>div{color:var(--muted);justify-content:space-between;font-size:12px;display:flex}.classroom-badge{color:#075ec7;background:#dcecff;border-radius:30px;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:800;display:inline-flex}.classroom-badge.live{color:#765900;background:#fff0a6}.classroom-badge.ended{color:#435574;background:#edf0f6}.classroom-create>label{max-width:650px;margin-bottom:14px;display:block}.classroom-create input{width:100%}.classroom-create small{font-weight:400}.classroom-pickers{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0;display:grid}.classroom-picker{border:1px solid var(--line);border-radius:14px;min-width:0;margin:0;padding:12px}.classroom-picker legend{padding:0 5px;font-weight:800}.classroom-picker>div[aria-busy]{min-height:80px;max-height:285px;margin:10px 0;overflow:auto}.classroom-picker label{overflow-wrap:anywhere;align-items:center;gap:8px;padding:6px;font-size:13px;line-height:1.35;display:flex}.classroom-picker input[type=checkbox],.classroom-picker input[type=radio]{flex-shrink:0;width:16px;height:16px;margin:0}.classroom-selection{flex-wrap:wrap;gap:4px;margin-top:8px;display:flex}.classroom-selection button{color:#075ec7;text-align:left;background:#dcecff;border:1px solid #8abaff;border-radius:8px;padding:3px 7px;font-size:12px}.classroom-picker-pages{justify-content:space-between;align-items:center;font-size:12px;display:flex}.classroom-picker-pages button,.classroom-chat-pages button{color:#075ec7;background:0 0;border:0;padding:5px;font-weight:700}.classroom-room{--classroom-bg:#dcecff;background:var(--classroom-bg);border:1px solid var(--brand-blue-line);border-radius:22px;padding:16px}.classroom-room.theme-sun{--classroom-bg:#fff0a6;border-color:#e5ae00}.classroom-room.theme-plain{--classroom-bg:#fff}.classroom-heading{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;display:flex}.classroom-heading>div{flex:1}.classroom-heading h1{letter-spacing:-.7px;margin:6px 0 0;font-size:25px}.classroom-heading>.text-button{font-size:12px}.classroom-connection{color:#435574;font-size:11px;font-weight:700}.classroom-top{border:1px solid var(--line);background:#fff;border-radius:15px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;padding:12px 16px;display:flex}.classroom-top .panel-note{max-width:480px;margin:0}.classroom-clock{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.classroom-clock>strong{font-variant-numeric:tabular-nums;letter-spacing:-.7px;font-size:25px;line-height:1}.classroom-clock>span{font-size:12px}.classroom-clock>.text-button{font-size:11px}.classroom-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.classroom-actions .checkbox-label{margin:0;font-size:12px}.classroom-layout{grid-template-columns:minmax(0,1fr) 335px;align-items:start;gap:14px;display:grid}.classroom-materials{min-width:0}.classroom-materials .player{width:100%;max-width:none;margin:0;padding:0}.classroom-materials .reading-head{border:1px solid var(--line);background:#fff;border-radius:16px;margin-bottom:14px;padding:22px}.classroom-materials .reading-head h1{font-size:25px}.classroom-materials .player-block{margin:0 0 14px;padding:20px;scroll-margin-top:24px}.player-block[hidden]{display:none!important}.classroom-side{border:1px solid var(--line);background:#fff;border-radius:16px;min-width:0;position:sticky;top:16px;overflow:hidden}.classroom-tabs{border-bottom:1px solid var(--line);background:#f2f7ff;gap:3px;padding:7px;display:flex}.classroom-tabs>button{color:var(--muted);background:0 0;border:0;border-radius:9px;flex:1;justify-content:center;align-items:center;gap:4px;padding:8px 4px;font-size:12px;font-weight:800;display:flex}.classroom-tabs>button[aria-pressed=true]{background:var(--brand-blue);color:#fff}.classroom-tabs b{color:#122652;background:#ffd21a;border-radius:6px;padding:0 4px;font-size:10px}.classroom-chat-pages{justify-content:space-between;align-items:center;gap:8px;padding:5px 10px;display:flex}.classroom-chat-pages span{color:var(--muted);font-size:10px}.classroom-messages{overscroll-behavior:contain;background:#f7faff;height:min(55vh,540px);min-height:260px;padding:10px;overflow-y:auto}.classroom-chat-empty{text-align:center;padding:35px 15px}.classroom-chat-empty p{color:var(--muted);font-size:12px}.classroom-chat-icon{color:#167dff;font-size:35px}.classroom-chat-empty h3{margin:5px 0 8px}.classroom-message{overflow-wrap:anywhere;background:#fff;border:1px solid #c9dbf7;border-radius:12px;margin:0 16px 10px 0;padding:10px}.classroom-message.mine{background:#e0edff;border-color:#8abaff;margin:0 0 10px 16px}.classroom-message header{justify-content:space-between;align-items:baseline;gap:6px;display:flex}.classroom-message header strong{font-size:12px}.classroom-message header small{color:var(--muted);font-size:9px}.classroom-message>p{white-space:pre-wrap;margin:5px 0 8px;font-size:13px;line-height:1.5}.classroom-message img{object-fit:contain;border-radius:8px;max-width:100%;max-height:220px}.classroom-message-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:5px;display:flex}.classroom-message-actions>.text-button{font-size:10px}.classroom-reactions{gap:2px;display:flex}.classroom-reactions button{background:0 0;border:1px solid #0000;border-radius:6px;align-items:center;gap:2px;padding:2px 3px;font-size:13px;display:inline-flex}.classroom-reactions button[aria-pressed=true]{background:#fff;border-color:#167dff}.classroom-reactions small{color:#122652;font-size:10px}.classroom-message-edit{color:#435574;padding:5px 0;font-size:10px}.classroom-message-edit summary{cursor:pointer}.classroom-message-edit p{white-space:pre-wrap;margin:4px 0;font-size:12px}.classroom-chat-compose{border-top:1px solid var(--line);padding:12px}.classroom-chat-compose textarea{resize:vertical;width:100%;min-height:70px;font-size:13px}.classroom-chat-compose>div:last-child{justify-content:space-between;align-items:center;gap:8px;margin-top:8px;display:flex}.classroom-attach{color:#075ec7;cursor:pointer;align-items:center;gap:5px;font-size:11px;display:flex;position:relative;overflow:hidden}.classroom-attach input{opacity:0;cursor:pointer;width:100%;position:absolute;inset:0}.classroom-attach:focus-within{outline-offset:3px;outline:2px solid #167dff}.classroom-pending-image img{object-fit:contain;max-width:80px;height:65px}.classroom-pending-image{align-items:center;gap:8px;margin-top:8px;display:flex}.classroom-roster,.classroom-controls{padding:15px}.classroom-roster h2,.classroom-controls h2{margin-bottom:10px;font-size:17px}.classroom-controls label{margin-bottom:8px;font-size:12px;display:block}.classroom-controls input{max-width:90px;margin-left:8px}.classroom-controls .panel-note{margin:10px 0 20px;font-size:11px}.classroom-member{border-bottom:1px solid var(--line);align-items:center;gap:8px;padding:10px 0;display:flex}.classroom-member>div{flex:1}.classroom-member strong{font-size:13px}.classroom-member small{color:var(--muted);font-size:10px;display:block}.classroom-member button{font-size:10px}.classroom-online{background:#c1ccdc;border-radius:50%;flex-shrink:0;width:8px;height:8px}.classroom-online.on{background:#198446}.classroom-exercise-control{border-top:1px solid var(--line);align-items:center;gap:6px;padding:6px 0;display:flex}.classroom-exercise-control button{color:var(--ink);text-align:left;overflow-wrap:anywhere;background:0 0;border:0;border-radius:8px;min-width:0;padding:8px;font-size:12px;display:flex}.classroom-exercise-control button:first-child{flex:1}.classroom-exercise-control button[aria-pressed=true]{color:#075ec7;background:#dcecff;font-weight:800}.classroom-answer-select{background:#fff7cd;border:1px solid #e5c444;border-radius:14px;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;padding:12px 16px;display:flex}.classroom-answer-select label{flex:1;font-size:12px}.classroom-answer-select select{width:100%;margin-top:4px;font-size:13px}.classroom-answer-select small{font-size:11px}.classroom-answer-select a{font-size:12px}.classroom-settings{flex-wrap:wrap;align-items:end;gap:12px;margin-bottom:12px;display:flex}.classroom-settings label{flex:1;font-size:12px}.classroom-settings input,.classroom-settings select{width:100%}.classroom-settings .checkbox-label{flex:none}.classroom-settings input[type=checkbox]{width:auto}.classroom-error{background:#fff0ed;border:1px solid #d6a5a1;border-radius:10px;justify-content:space-between;gap:8px;margin:0 0 12px;padding:10px 14px;display:flex}@media (max-width:1200px){.classroom-layout{grid-template-columns:minmax(0,1fr) 300px}.classroom-room{padding:12px}.classroom-materials .player-block{padding:16px}.classroom-pickers{grid-template-columns:1fr}}@media (max-width:960px){.classroom-panel-toggle{display:inline-flex}.classroom-side.mobile-closed{display:none}.classroom-layout{grid-template-columns:1fr}.classroom-side{grid-row:1;position:static}.classroom-messages{height:260px}.classroom-heading .classroom-connection{width:100%}.classroom-top{padding:12px}.classroom-room{border-radius:16px}.classroom-heading h1{font-size:22px}}@media (prefers-reduced-motion:reduce){.classroom-card{transition:none;transform:none!important}}
.brand-wordmark{letter-spacing:-.9px;font-size:22px;font-weight:850;line-height:1.1;display:inline-block}.brand-wordmark .brand-caption{letter-spacing:.05px;margin-top:5px;font-size:9px;font-weight:600;line-height:1.5;display:block}.brand-mark{border-radius:14px;flex:0 0 43px;width:43px;height:43px}.brand-mark>svg{display:block}.sidebar>.brand{gap:11px;padding-bottom:26px}.sidebar .brand-wordmark{color:#075ec7}.learner-shell .brand-wordmark{color:var(--brand-ink);font-size:23px}.edatrium-login{background:#f4f7fd;grid-template-columns:minmax(0,1.12fr) minmax(0,1fr)}.edatrium-login .login-story{background:#086ae0;min-height:100dvh;padding:34px clamp(28px,5.5vw,86px)}.edatrium-login .brand{color:#fff;gap:12px}.edatrium-login .brand-wordmark{letter-spacing:-1.3px;font-size:28px}.edatrium-login .brand-caption{opacity:.9;font-size:10px}.edatrium-login .brand-mark{color:#086ae0;background:#fff;border-color:#fff;box-shadow:0 3px #004eaf}.edatrium-login .login-story-copy{z-index:1;margin-top:clamp(28px,5vh,56px);position:relative}.edatrium-pill{color:#fff;background:#ffffff12;border:1px solid #78b8ff;border-radius:99px;align-items:center;gap:8px;padding:6px 11px;font-size:11px;font-weight:600;display:inline-flex}.edatrium-pill>span{background:#ffd21a;border-radius:50%;width:6px;height:6px}.edatrium-login .login-story h1{letter-spacing:-1.9px;margin:19px 0 16px;font-size:clamp(32px,3.5vw,56px);line-height:1.13}.edatrium-login .login-story-copy>p{color:#f3f8ff;margin:0;font-size:15px;line-height:1.7}.edatrium-scene{flex:1 0 270px;width:min(100%,480px);height:290px;margin:18px auto 16px;position:relative}.edatrium-window{background:#ffffff07;border:2px solid #69aaff;border-radius:100px 100px 18px 18px;grid-template-rows:1fr 1fr;grid-template-columns:1fr 1fr;width:190px;height:235px;display:grid;position:absolute;top:5px;right:6px;overflow:hidden}.edatrium-window>span{border-bottom:1px solid #69aaff;border-right:1px solid #69aaff}.edatrium-scene-sun{background:#ffd21a;border:9px solid #0870e4;border-radius:50%;width:64px;height:64px;position:absolute;top:24px;right:-7px;box-shadow:0 0 0 1px #69aaff}.edatrium-preview{color:#122652;background:#fff;border:1px solid #c9deff;border-radius:20px;width:min(88%,360px);padding:20px;position:absolute;top:38px;left:0;transform:rotate(-3deg);box-shadow:0 15px 38px #003d9826}.edatrium-preview-top{color:#086ae0;justify-content:space-between;align-items:center;font-size:10px;font-weight:750;display:flex}.edatrium-preview-top>span{align-items:center;gap:8px;display:flex}.edatrium-preview>strong{letter-spacing:-.7px;margin:14px 0;font-size:clamp(19px,1.9vw,26px);line-height:1.25;display:block}.edatrium-preview-tabs{gap:6px;display:flex}.edatrium-preview-tabs>span{background:#edf4ff;border:1px solid #c2daff;border-radius:8px;padding:5px 9px;font-size:10px;font-weight:700}.edatrium-preview-tabs>span:nth-child(2){background:#ffd21a;border-color:#e5ae00}.edatrium-preview-answer{color:#1a7045;border-top:1px solid #dce8f7;align-items:center;gap:7px;margin-top:13px;padding-top:12px;font-size:10px;display:flex}.edatrium-note{color:#122652;background:#ffd21a;border:1px solid #e5ae00;border-radius:14px;align-items:center;gap:10px;padding:13px 18px;font-size:12px;line-height:1.4;display:flex;position:absolute;bottom:0;right:4px;transform:rotate(4deg);box-shadow:0 4px #004fae}.edatrium-login .login-story footer{color:#e9f3ff;align-items:center;gap:8px;padding-top:15px;font-size:11px;display:flex}.edatrium-login .login-story footer svg{color:#ffd21a}.edatrium-login .login-panel{background:radial-gradient(at 95% 6%,#fff0a633,#0000 45%),#f4f7fd;padding:32px}.edatrium-login .login-panel-inner{border-radius:24px;width:100%;max-width:420px;padding:32px;box-shadow:0 14px 50px #17386c0a}.edatrium-form-kicker{color:#086ae0;letter-spacing:1.7px;margin-bottom:18px;font-size:10px;font-weight:800;display:block}.edatrium-login .auth-form>.eyebrow{display:none}.edatrium-login .auth-form h2{letter-spacing:-.9px;margin-top:0;font-size:30px}.edatrium-login .auth-form input{border-color:#9eb9dd;border-radius:11px}.edatrium-login .login-footnote{margin-top:20px;font-size:11px}@media (max-width:900px) and (min-width:761px){.edatrium-login .login-story{padding:28px}.edatrium-login .login-panel{padding:22px}.edatrium-login .login-panel-inner{padding:24px}}@media (max-width:760px){.edatrium-login{grid-template-columns:minmax(0,1fr)}.edatrium-login .login-story{min-height:0;padding:24px}.edatrium-login .login-story-copy{margin-top:26px}.edatrium-login .login-story h1{letter-spacing:-1.2px;margin-top:14px;font-size:36px}.edatrium-login .login-story-copy>p{font-size:13px}.edatrium-scene,.edatrium-login .login-story footer{display:none}.edatrium-login .login-panel{padding:20px 16px 32px}.edatrium-login .login-panel-inner{padding:24px}.edatrium-login .auth-form h2{font-size:27px}.brand-wordmark{font-size:20px}}@media (prefers-reduced-motion:reduce){.edatrium-login *,.edatrium-login :before,.edatrium-login :after{transition:none!important;animation:none!important}}