.quiz-page{max-width:1000px;margin:auto}.quiz-page h1{font-size:clamp(2rem,4vw,3.3rem)}.quiz-rules{margin:24px 0;line-height:1.7}.quiz-rules summary{cursor:pointer;font-weight:700}.quiz-question{background:#fff;border:1px solid #d9ddd6;border-radius:14px;margin:20px 0;padding:clamp(16px,3vw,32px)}.quiz-question img{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:370px;margin:20px auto;display:block}.quiz-question details{margin-bottom:18px;font-size:.9rem}.quiz-question fieldset{border:0;margin-top:20px;padding:0}.quiz-question legend{margin-bottom:12px;font-weight:700}.quiz-question label{cursor:pointer;border:1px solid #ccd3ca;border-radius:8px;align-items:center;gap:12px;margin-bottom:10px;padding:16px;display:flex}.quiz-question label.chosen{background:#e8f1e8;border-color:#2e6747}.quiz-question input{flex:none;width:18px;height:18px}.quiz-progress{flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:28px;display:flex}.quiz-progress progress{width:100%;height:12px}.quiz-numbers{flex-wrap:wrap;gap:6px;margin-top:16px;display:flex}.quiz-numbers button{min-width:42px;min-height:42px}.quiz-numbers button[aria-current]{color:#fff;background:#224d39}.quiz-actions{flex-wrap:wrap;gap:12px;display:flex}.quiz-history{margin-bottom:24px}.quiz-history table{width:100%;margin-bottom:20px}.quiz-feedback{background:#edf3e9;border-left:4px solid #346849;padding:16px}.quiz-page .paper>button{margin:8px 8px 8px 0}.quiz-page .table-wrap{overflow-x:auto}.quiz-page table th,.quiz-page table td{text-align:left;padding:12px 8px}.quiz-page fieldset:disabled{opacity:.85}.edu .quiz-page .quiz-question label{flex-direction:row;align-items:center}.edu .quiz-page .quiz-progress progress{flex-basis:100%;width:100%}.teacher-shell,.teacher-login{--teacher-bg:#f5f3ec;--teacher-surface:#fffdfa;--teacher-surface-strong:#fff;--teacher-surface-muted:#eeece4;--teacher-ink:#18231f;--teacher-ink-soft:#52605a;--teacher-ink-faint:#7b857f;--teacher-line:#deddd5;--teacher-line-strong:#cbcdc5;--teacher-accent:#236a5a;--teacher-accent-dark:#184e42;--teacher-accent-soft:#dbeae4;--teacher-accent-pale:#edf5f1;--teacher-coral:#c96f4f;--teacher-coral-soft:#fae9e0;--teacher-gold:#9a7129;--teacher-gold-soft:#f6edcf;--teacher-red:#a8463f;--teacher-red-soft:#f7e2df;--teacher-blue:#426e8a;--teacher-blue-soft:#e2edf3;--teacher-shadow-sm:0 1px 2px #18231f0a, 0 4px 14px #18231f09;--teacher-shadow-lg:0 24px 64px #18231f24;color:var(--teacher-ink);-webkit-font-smoothing:antialiased;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.5}.teacher-shell,.teacher-shell *,.teacher-shell :before,.teacher-shell :after,.teacher-login,.teacher-login *,.teacher-login :before,.teacher-login :after{box-sizing:border-box}.teacher-shell button,.teacher-shell input,.teacher-shell textarea,.teacher-shell select,.teacher-login button,.teacher-login input,.teacher-login textarea,.teacher-login select{color:inherit;font:inherit}.teacher-shell button,.teacher-login button{-webkit-tap-highlight-color:transparent}.teacher-shell h1,.teacher-shell h2,.teacher-shell h3,.teacher-shell p,.teacher-shell dl,.teacher-shell dd,.teacher-shell ol,.teacher-shell ul,.teacher-login h1,.teacher-login h2,.teacher-login h3,.teacher-login p{margin-top:0}.teacher-shell h1,.teacher-login h1{letter-spacing:-.04em;margin-bottom:12px;font-family:ui-serif,Georgia,Cambria,Times New Roman,serif;font-size:clamp(2.15rem,4vw,3.25rem);font-weight:500;line-height:1.02}.teacher-shell h2{letter-spacing:-.015em;margin-bottom:8px;font-size:1.17rem;font-weight:680;line-height:1.25}.teacher-shell h3{margin-bottom:8px;font-size:1rem;font-weight:680;line-height:1.35}.teacher-shell{background:var(--teacher-bg);grid-template-columns:248px minmax(0,1fr);width:100%;min-height:100dvh;display:grid}.teacher-skip-link{background:var(--teacher-ink);color:#fff;z-index:1000;border-radius:0 0 8px 8px;padding:10px 14px;position:fixed;top:-100px;left:16px}.teacher-skip-link:focus{top:0}.teacher-sidebar{border-right:1px solid var(--teacher-line);background:#ebe9e1;flex-direction:column;height:100dvh;padding:24px 16px 18px;display:flex;position:sticky;top:0;left:0}.teacher-sidebar-brand,.teacher-login-brand{align-items:center;gap:11px;display:flex}.teacher-sidebar-brand{padding:0 8px 24px}.teacher-sidebar-brand>div:last-child,.teacher-login-brand>div:last-child{flex-direction:column;line-height:1.25;display:flex}.teacher-sidebar-brand strong,.teacher-login-brand strong{letter-spacing:-.01em;font-size:1rem}.teacher-sidebar-brand span,.teacher-login-brand span{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-brand-mark{background:var(--teacher-ink);color:#fff;letter-spacing:-.06em;border-radius:12px 12px 12px 4px;flex:none;justify-content:center;align-items:center;width:40px;height:40px;font-family:ui-serif,Georgia,serif;font-size:1.08rem;font-weight:700;display:inline-flex}.teacher-nav{flex-direction:column;flex:1;gap:4px;display:flex}.teacher-nav button,.teacher-mobile-nav button{color:var(--teacher-ink-soft);cursor:pointer;text-align:left;background:0 0;border:0;border-radius:10px;align-items:center;gap:11px;width:100%;min-height:44px;padding:9px 11px;font-size:.89rem;font-weight:570;transition:background .14s,color .14s,transform .14s;display:flex}.teacher-nav button:hover,.teacher-mobile-nav button:hover{color:var(--teacher-ink);background:#fff9}.teacher-nav button.is-active,.teacher-mobile-nav button.is-active{background:var(--teacher-surface-strong);box-shadow:var(--teacher-shadow-sm);color:var(--teacher-accent-dark)}.teacher-nav svg,.teacher-mobile-nav svg{flex:none;width:19px;height:19px}.teacher-sidebar-footer{border-top:1px solid var(--teacher-line);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:9px;margin-top:16px;padding:18px 4px 0;display:grid}.teacher-sidebar-footer>div{flex-direction:column;min-width:0;display:flex}.teacher-sidebar-footer strong{text-overflow:ellipsis;white-space:nowrap;font-size:.82rem;overflow:hidden}.teacher-sidebar-footer span:not(.teacher-avatar){color:var(--teacher-ink-faint);font-size:.75rem}.teacher-workspace{min-width:0}.teacher-main{outline:none;max-width:1480px;min-height:100dvh;margin:0 auto;padding:52px clamp(28px,4vw,64px) 80px}.teacher-mobile-header,.teacher-mobile-nav{display:none}.teacher-page-header{justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:32px;display:flex}.teacher-page-header>div:first-child{max-width:760px}.teacher-page-header h1{margin-bottom:10px}.teacher-page-description{color:var(--teacher-ink-soft);max-width:680px;margin-bottom:0;font-size:1rem}.teacher-page-action{flex:none}.teacher-eyebrow{color:var(--teacher-accent);letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px;font-size:.75rem;font-weight:760}.teacher-card{background:var(--teacher-surface);border:1px solid var(--teacher-line);box-shadow:var(--teacher-shadow-sm);border-radius:18px;padding:24px}.teacher-card-heading{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:20px;display:flex}.teacher-card-heading h2,.teacher-card-heading h3,.teacher-card-heading p:last-child{margin-bottom:0}.teacher-button,.teacher-icon-button,.teacher-text-button{cursor:pointer;border:0;justify-content:center;align-items:center;min-height:44px;transition:background .14s,border-color .14s,box-shadow .14s,color .14s,transform .14s;display:inline-flex}.teacher-button{border-radius:10px;gap:8px;padding:10px 16px;font-size:.86rem;font-weight:680}.teacher-button svg,.teacher-text-button svg,.teacher-icon-button svg{width:18px;height:18px}.teacher-button-primary{background:var(--teacher-ink);color:#fff}.teacher-button-primary:hover:not(:disabled){background:var(--teacher-accent-dark);transform:translateY(-1px);box-shadow:0 6px 18px #184e4233}.teacher-button-secondary{background:var(--teacher-surface-strong);border:1px solid var(--teacher-line-strong);color:var(--teacher-ink)}.teacher-button-secondary:hover:not(:disabled),.teacher-button-quiet:hover:not(:disabled){background:var(--teacher-accent-pale);border-color:#adc7bd}.teacher-button-quiet{color:var(--teacher-accent-dark);background:0 0;border:1px solid #0000}.teacher-button:disabled,.teacher-icon-button:disabled,.teacher-text-button:disabled{cursor:not-allowed;opacity:.48}.teacher-icon-button{background:0 0;border:1px solid #0000;border-radius:10px;flex:none;min-width:44px;padding:9px}.teacher-icon-button:hover:not(:disabled){background:var(--teacher-surface-strong);border-color:var(--teacher-line)}.teacher-danger-button{color:var(--teacher-red)}.teacher-danger-button:hover:not(:disabled){background:var(--teacher-red-soft);border-color:#e8bbb7}.teacher-button-danger{background:var(--teacher-red);color:#fff}.teacher-button-danger:hover:not(:disabled){background:#873832;box-shadow:0 6px 18px #a8463f33}.teacher-text-button{color:var(--teacher-accent-dark);background:0 0;gap:3px;padding:4px 0 4px 8px;font-size:.82rem;font-weight:680}.teacher-text-button svg{width:14px;height:14px}.teacher-text-button:hover{color:var(--teacher-accent);text-underline-offset:3px;text-decoration:underline}.teacher-button:focus-visible,.teacher-icon-button:focus-visible,.teacher-text-button:focus-visible,.teacher-nav button:focus-visible,.teacher-mobile-nav button:focus-visible,.teacher-segmented button:focus-visible,.teacher-unit-toggles button:focus-visible,.teacher-mastery-cell:focus-visible,.teacher-import-toggle:focus-visible,.teacher-shell input:focus-visible,.teacher-shell textarea:focus-visible,.teacher-shell select:focus-visible,.teacher-login input:focus-visible,.teacher-concept-card summary:focus-visible,.teacher-question-item summary:focus-visible{outline-offset:2px;outline:3px solid #236a5a40}.teacher-pill{background:var(--teacher-surface-muted);color:var(--teacher-ink-soft);white-space:nowrap;border-radius:999px;align-items:center;padding:7px 9px;font-size:.75rem;font-weight:760;line-height:1;display:inline-flex}.teacher-pill-good{background:var(--teacher-accent-soft);color:var(--teacher-accent-dark)}.teacher-pill-warn{background:var(--teacher-gold-soft);color:#765317}.teacher-pill-bad{background:var(--teacher-red-soft);color:var(--teacher-red)}.teacher-pill-info{background:var(--teacher-blue-soft);color:#315b75}.teacher-avatar{background:var(--teacher-accent-soft);color:var(--teacher-accent-dark);letter-spacing:.02em;border:1px solid #236a5a1f;border-radius:50%;flex:none;justify-content:center;align-items:center;width:34px;height:34px;font-size:.75rem;font-weight:780;display:inline-flex}.teacher-avatar-large{width:52px;height:52px;font-size:.96rem}.teacher-loading{color:var(--teacher-ink-soft);justify-content:center;align-items:center;gap:12px;min-height:240px;display:flex}.teacher-spinner{border:2px solid var(--teacher-line-strong);border-top-color:var(--teacher-accent);border-radius:50%;flex:none;width:22px;height:22px;animation:.8s linear infinite teacher-spin;display:inline-block}.teacher-spinner-small{border-color:#fff #ffffff59 #ffffff59;width:16px;height:16px}.is-spinning{animation:.8s linear infinite teacher-spin}@keyframes teacher-spin{to{transform:rotate(360deg)}}.teacher-callout{background:var(--teacher-blue-soft);color:#274d65;border:1px solid #c5dce8;border-radius:13px;justify-content:space-between;align-items:center;gap:18px;margin-bottom:20px;padding:15px 17px;display:flex}.teacher-callout strong{margin-bottom:2px;display:block}.teacher-callout p{margin-bottom:0;font-size:.83rem}.teacher-callout p+p{margin-top:4px}.teacher-callout-error{background:var(--teacher-red-soft);color:#813932;border-color:#e6bbb7}.teacher-callout-warn{background:var(--teacher-gold-soft);color:#6e501b;border-color:#e5d18f}.teacher-callout-success{background:var(--teacher-accent-soft);color:var(--teacher-accent-dark);border-color:#bad7cd}.teacher-success-icon{background:var(--teacher-accent);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:40px;height:40px;display:inline-flex}.teacher-success-icon svg{width:21px;height:21px}.teacher-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:250px;padding:32px;display:flex}.teacher-empty-icon{background:var(--teacher-accent-pale);color:var(--teacher-accent);border-radius:16px;justify-content:center;align-items:center;width:54px;height:54px;margin-bottom:16px;display:inline-flex}.teacher-empty-icon svg{width:25px;height:25px}.teacher-empty h2{margin-bottom:5px}.teacher-empty p,.teacher-muted{color:var(--teacher-ink-faint)}.teacher-empty p{max-width:420px;margin-bottom:0}.teacher-metric-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px;display:grid}.teacher-metric-grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}.teacher-metric-card{background:var(--teacher-surface);border:1px solid var(--teacher-line);box-shadow:var(--teacher-shadow-sm);border-radius:15px;align-items:center;gap:13px;min-height:96px;padding:17px;display:flex}.teacher-metric-card>div{flex-direction:column;display:flex}.teacher-metric-card strong{letter-spacing:-.03em;font-family:ui-serif,Georgia,serif;font-size:1.75rem;font-weight:560;line-height:1}.teacher-metric-card span:last-child{color:var(--teacher-ink-soft);margin-top:5px;font-size:.75rem}.teacher-metric-icon{background:var(--teacher-accent-pale);color:var(--teacher-accent);border-radius:12px;flex:none;justify-content:center;align-items:center;width:42px;height:42px;display:inline-flex}.teacher-metric-icon svg{width:20px;height:20px}.teacher-metric-icon-warn{background:var(--teacher-coral-soft);color:var(--teacher-coral)}.teacher-metric-highlight{background:var(--teacher-ink);border-color:var(--teacher-ink);color:#fff}.teacher-metric-highlight .teacher-metric-icon{color:#fff;background:#ffffff1f}.teacher-metric-highlight span:last-child{color:#ffffffb3}.teacher-overview-grid,.teacher-schedule-layout,.teacher-settings-grid{grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:18px;margin-bottom:18px;display:grid}.teacher-today-card{background:linear-gradient(145deg,#fffdfa 0%,#f7fbf8 100%)}.teacher-today-date{color:var(--teacher-ink-soft);margin-bottom:24px}.teacher-progress-block>div:first-child,.teacher-review-progress>div:first-child{justify-content:space-between;align-items:baseline;display:flex}.teacher-progress-block span,.teacher-review-progress span{color:var(--teacher-ink-soft);font-size:.75rem}.teacher-progress-block strong,.teacher-review-progress strong{font-size:.82rem}.teacher-progress-track{appearance:none;background:#dedfd9;border:0;border-radius:999px;width:100%;height:7px;margin:8px 0;display:block;overflow:hidden}.teacher-progress-track::-webkit-progress-bar{border-radius:inherit;background:#dedfd9}.teacher-progress-track::-webkit-progress-value{background:var(--teacher-accent);border-radius:inherit}.teacher-progress-track::-moz-progress-bar{background:var(--teacher-accent);border-radius:inherit}.teacher-progress-block small{color:var(--teacher-ink-faint);margin-bottom:9px;font-size:.75rem;display:block}.teacher-inline-empty p{color:var(--teacher-ink-soft);margin-bottom:18px}.teacher-timeline{flex-direction:column;gap:14px;display:flex}.teacher-timeline-row{align-items:center;gap:12px;display:flex}.teacher-timeline-row>div:last-child{flex-direction:column;min-width:0;display:flex}.teacher-timeline-row strong{font-size:.83rem}.teacher-timeline-row span{color:var(--teacher-ink-faint);text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;overflow:hidden}.teacher-date-tile{background:var(--teacher-surface-muted);border-radius:10px;flex-direction:column;flex:none;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.teacher-date-tile strong{font-family:ui-serif,Georgia,serif;font-size:1rem;line-height:1}.teacher-date-tile span{color:var(--teacher-ink-faint);letter-spacing:.05em;text-transform:uppercase;margin-top:3px;font-size:.75rem;font-weight:750}.teacher-recent-card{margin-bottom:18px}.teacher-student-snapshot-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.teacher-student-snapshot{cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;border-radius:12px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:9px;min-height:60px;padding:9px;display:grid}.teacher-student-snapshot:hover{background:var(--teacher-accent-pale);border-color:#d6e4df}.teacher-student-snapshot-name,.teacher-student-snapshot-score{flex-direction:column;min-width:0;display:flex}.teacher-student-snapshot-name strong{text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;overflow:hidden}.teacher-student-snapshot-name small,.teacher-student-snapshot-score small{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-student-snapshot-score{align-items:flex-end}.teacher-student-snapshot-score strong{font-size:.83rem}.teacher-table-card{padding:0;overflow:hidden}.teacher-table-toolbar{justify-content:space-between;align-items:center;gap:18px;padding:20px 22px;display:flex}.teacher-table-toolbar h2,.teacher-table-toolbar p{margin-bottom:0}.teacher-table-scroll{-webkit-overflow-scrolling:touch;position:relative;overflow-x:auto}.teacher-data-table{border-collapse:collapse;width:100%;min-width:760px}.teacher-data-table th{border-bottom:1px solid var(--teacher-line);color:var(--teacher-ink-faint);letter-spacing:.06em;text-align:left;text-transform:uppercase;background:#f4f2eb;padding:10px 14px;font-size:.75rem;font-weight:760}.teacher-data-table td{vertical-align:middle;border-bottom:1px solid #e9e7df;padding:12px 14px;font-size:.9rem}.teacher-data-table tbody tr:last-child td{border-bottom:0}.teacher-data-table tbody tr:hover{background:#edf5f18c}.teacher-data-table tr.is-muted{opacity:.58}.teacher-person-cell{align-items:center;gap:10px;min-width:180px;display:flex}.teacher-person-cell>span:last-child{flex-direction:column;min-width:0;display:flex}.teacher-person-cell strong{font-size:.9rem}.teacher-person-cell small{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-skill-chip-row,.teacher-vocabulary{flex-wrap:wrap;gap:5px;display:flex}.teacher-skill-chip,.teacher-vocabulary span{background:var(--teacher-surface-muted);color:var(--teacher-ink-soft);border:1px solid #e2e0d9;border-radius:999px;padding:5px 7px;font-size:.75rem;line-height:1.2}.teacher-search-field{background:var(--teacher-surface-strong);border:1px solid var(--teacher-line-strong);border-radius:10px;flex:1;align-items:center;min-width:210px;max-width:360px;padding-left:12px;display:flex}.teacher-search-field svg{color:var(--teacher-ink-faint);flex:none;width:17px;height:17px}.teacher-search-field input{background:0 0;border:0;outline:0;width:100%;min-height:44px;padding:9px 11px}.teacher-segmented{background:var(--teacher-surface-muted);border:1px solid var(--teacher-line);border-radius:11px;align-items:center;gap:2px;padding:3px;display:inline-flex}.teacher-segmented button{color:var(--teacher-ink-soft);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:8px;min-height:44px;padding:7px 10px;font-size:.75rem;font-weight:650}.teacher-segmented button.is-active{background:var(--teacher-surface-strong);color:var(--teacher-ink);box-shadow:0 1px 4px #18231f17}.teacher-segmented-large button{min-height:44px;padding-inline:16px}.teacher-import-card{margin-bottom:18px;padding:0;overflow:hidden}.teacher-import-toggle{cursor:pointer;text-align:left;background:0 0;border:0;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:13px;width:100%;min-height:76px;padding:14px 18px;display:grid}.teacher-import-toggle>span:nth-child(2){flex-direction:column;display:flex}.teacher-import-toggle strong{font-size:.88rem}.teacher-import-toggle small{color:var(--teacher-ink-faint);margin-top:2px;font-size:.75rem}.teacher-import-icon{background:var(--teacher-accent-pale);color:var(--teacher-accent);border-radius:11px;justify-content:center;align-items:center;width:42px;height:42px;display:inline-flex}.teacher-import-icon svg,.teacher-import-chevron{width:19px;height:19px}.teacher-import-chevron{color:var(--teacher-ink-faint);transition:transform .16s}.teacher-import-card.is-expanded .teacher-import-chevron{transform:rotate(90deg)}.teacher-import-body{border-top:1px solid var(--teacher-line);padding:22px}.teacher-field,.teacher-login-form label{color:var(--teacher-ink-soft);flex-direction:column;gap:7px;font-size:.75rem;font-weight:680;display:flex}.teacher-field input,.teacher-field select,.teacher-field textarea,.teacher-login-form input,.teacher-edit-table input{background:var(--teacher-surface-strong);border:1px solid var(--teacher-line-strong);border-radius:10px;outline:0;width:100%;min-height:44px;padding:10px 12px;transition:border-color .14s,box-shadow .14s}.teacher-field textarea{resize:vertical;min-height:150px;line-height:1.55}.teacher-field input:focus,.teacher-field select:focus,.teacher-field textarea:focus,.teacher-login-form input:focus,.teacher-edit-table input:focus{border-color:var(--teacher-accent);box-shadow:0 0 0 3px #236a5a1a}.teacher-input-note{color:var(--teacher-ink-faint);justify-content:space-between;margin-top:7px;font-size:.75rem;display:flex}.teacher-form-actions{justify-content:flex-end;align-items:center;gap:10px;margin-top:18px;display:flex}.teacher-form-error{color:var(--teacher-red);margin:12px 0 0;font-size:.78rem;font-weight:600}.teacher-preview-heading{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:18px;display:flex}.teacher-preview-heading h2,.teacher-preview-heading h3,.teacher-preview-heading p{margin-bottom:0}.teacher-preview-heading>div>p:last-child{color:var(--teacher-ink-faint);margin-top:4px;font-size:.75rem}.teacher-privacy-note,.teacher-valid-note{color:var(--teacher-accent-dark);align-items:center;gap:7px;margin-bottom:15px;font-size:.75rem;display:flex}.teacher-privacy-note svg,.teacher-valid-note svg{flex:none;width:17px;height:17px}.teacher-edit-table input{min-width:150px}.teacher-edit-table td:first-child{color:var(--teacher-ink-faint);width:40px}.teacher-edit-table td:last-child{width:52px;padding-left:4px;padding-right:8px}.teacher-import-body>div>.teacher-button-quiet,.teacher-table-card>.teacher-button-quiet{margin:10px 14px}.teacher-validation-list{background:var(--teacher-red-soft);color:#813932;border:1px solid #e7bbb7;border-radius:11px;margin-top:14px;padding:12px 14px;font-size:.76rem}.teacher-validation-list ul{margin:6px 0 0;padding-left:19px}.teacher-validation-list li+li{margin-top:3px}.teacher-confirm-check{background:var(--teacher-accent-pale);cursor:pointer;border:1px solid #cee0da;border-radius:12px;align-items:flex-start;gap:11px;margin-top:18px;padding:14px;display:flex}.teacher-confirm-check input{accent-color:var(--teacher-accent);flex:none;width:20px;height:20px;margin:1px 0 0}.teacher-confirm-check span{flex-direction:column;display:flex}.teacher-confirm-check strong{font-size:.8rem}.teacher-confirm-check small{color:var(--teacher-ink-soft);margin-top:2px;font-size:.75rem}.teacher-pin-table{min-width:520px}.teacher-pin{color:var(--teacher-accent-dark);letter-spacing:.12em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1.15rem}.teacher-data-table code{background:var(--teacher-surface-muted);border-radius:5px;padding:3px 5px;font-size:.75rem}.teacher-detail-backdrop{z-index:100;background:#18231f38;justify-content:flex-end;align-items:stretch;display:flex;position:fixed;inset:0}.teacher-detail-panel{background:var(--teacher-surface);box-shadow:var(--teacher-shadow-lg);width:min(92vw,480px);max-width:480px;padding:30px;animation:.18s ease-out teacher-slide-in;overflow-y:auto}@keyframes teacher-slide-in{0%{opacity:0;transform:translate(24px)}}.teacher-detail-header{justify-content:space-between;align-items:flex-start;display:flex}.teacher-detail-header h2,.teacher-detail-header p{margin-bottom:0}.teacher-detail-metrics{grid-template-columns:repeat(3,1fr);gap:8px;margin:28px 0;display:grid}.teacher-detail-metrics>div{background:var(--teacher-surface-muted);border-radius:11px;flex-direction:column;padding:12px;display:flex}.teacher-detail-metrics span{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-detail-metrics strong{margin-top:3px;font-family:ui-serif,Georgia,serif;font-size:1.35rem}.teacher-context-note{background:var(--teacher-accent-pale);border-left:3px solid var(--teacher-accent);color:var(--teacher-ink-soft);border-radius:0 10px 10px 0;margin:-10px 0 24px;padding:11px 13px;font-size:.78rem;line-height:1.55}.teacher-detail-section{border-top:1px solid var(--teacher-line);padding:22px 0}.teacher-account-tools .teacher-card-heading{margin-bottom:10px}.teacher-inline-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.teacher-inline-confirm,.teacher-secret-reveal{background:var(--teacher-red-soft);border:1px solid #ebc5c1;border-radius:12px;gap:14px;padding:14px;display:grid}.teacher-inline-confirm p,.teacher-secret-reveal p{color:var(--teacher-ink-soft);margin:3px 0 0;font-size:.8rem}.teacher-secret-reveal{background:var(--teacher-gold-soft);border-color:#ead9a7}.teacher-secret-reveal>div:first-child{flex-direction:column;gap:5px;display:flex}.teacher-secret-reveal .teacher-pin{letter-spacing:.18em;font-size:2rem}.teacher-secret-reveal small{color:var(--teacher-ink-soft);font-size:.75rem}.teacher-dialog-centered{justify-content:center;align-items:center;padding:20px}.teacher-modal-card{background:var(--teacher-surface);border:1px solid var(--teacher-line-strong);box-shadow:var(--teacher-shadow-lg);border-radius:18px;width:100%;max-width:680px;max-height:calc(100vh - 40px);padding:24px;overflow-y:auto}.teacher-makeup-form{gap:16px;margin-top:22px;display:grid}.teacher-makeup-form textarea{min-height:96px}.teacher-form-grid-two{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.teacher-dialog-success{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;margin-top:22px;display:grid}.teacher-dialog-success h3,.teacher-dialog-success p{margin-bottom:0}.teacher-score-chart{align-items:flex-end;gap:8px;min-height:170px;padding-top:14px;display:flex;overflow-x:auto}.teacher-score-column{flex-direction:column;flex:0 0 46px;align-items:center;gap:3px;display:flex}.teacher-score-bar{border-radius:7px 7px 3px 3px;justify-content:center;align-items:center;width:28px;height:110px;display:flex}.teacher-score-bar progress{appearance:none;border:0;border-radius:7px;flex:none;width:110px;height:28px;overflow:hidden;transform:rotate(-90deg)}.teacher-score-bar progress::-webkit-progress-bar{background:var(--teacher-surface-muted)}.teacher-score-bar progress::-webkit-progress-value{background:var(--teacher-accent)}.teacher-score-bar progress::-moz-progress-bar{background:var(--teacher-accent)}.teacher-score-column strong{font-size:.75rem}.teacher-score-column small{color:var(--teacher-ink-faint);white-space:nowrap;font-size:.75rem}.teacher-score-kind{color:var(--teacher-accent);white-space:nowrap;font-size:.75rem;font-weight:700}.teacher-difficulty-row+.teacher-difficulty-row{margin-top:16px}.teacher-difficulty-row>div:first-child{justify-content:space-between;font-size:.77rem;display:flex}.teacher-difficulty-row span{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-student-table-intro{flex-direction:column;gap:7px;display:flex}.teacher-student-table-intro p{color:var(--teacher-ink-faint);margin:0;font-size:.75rem}.teacher-triage-summary{border-bottom:1px solid var(--teacher-line);align-items:center;gap:10px;padding:0 0 18px;display:flex}.teacher-triage-summary>span:last-child{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-evidence-list{border:1px solid var(--teacher-line);border-radius:12px;overflow:hidden}.teacher-evidence-row{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px 14px;padding:12px 14px;display:grid}.teacher-evidence-row+.teacher-evidence-row{border-top:1px solid var(--teacher-line)}.teacher-evidence-row>div{flex-direction:column;min-width:0;display:flex}.teacher-evidence-row span,.teacher-evidence-row small{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-evidence-row>small{grid-column:1/-1}.teacher-daily-skill-breakdowns{flex-direction:column;gap:8px;display:flex}.teacher-daily-skill-breakdowns>details{background:var(--teacher-surface-muted);border:1px solid var(--teacher-line);border-radius:10px;overflow:hidden}.teacher-daily-skill-breakdowns>details>summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:11px 13px;font-size:.78rem;display:flex}.teacher-daily-skill-breakdowns .teacher-evidence-list{border-bottom:0;border-left:0;border-right:0;border-radius:0}.teacher-missed-question-list{border-top:1px solid var(--teacher-line);gap:9px;padding:13px;display:grid}.teacher-missed-question-list>h4{margin:0;font-size:.78rem}.teacher-missed-question-list>article{border:1px solid var(--teacher-line);background:#fff;border-radius:10px;padding:12px}.teacher-missed-question-list h5{white-space:pre-wrap;margin:7px 0 11px;font-size:.8rem;line-height:1.45}.teacher-missed-question-list dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0;display:grid}.teacher-missed-question-list dl>div{background:var(--teacher-surface-muted);border-radius:7px;padding:8px 10px}.teacher-missed-question-list dt{color:var(--teacher-ink-faint);text-transform:uppercase;font-size:.68rem;font-weight:740}.teacher-missed-question-list dd{overflow-wrap:anywhere;margin:3px 0 0;font-size:.76rem;font-weight:650}.teacher-long-answer summary{cursor:pointer;overflow-wrap:anywhere;font-weight:650}.teacher-long-answer pre{border:1px solid var(--teacher-line);font:inherit;white-space:pre-wrap;background:#fff;border-radius:6px;max-height:320px;margin:8px 0 0;padding:8px;font-weight:500;overflow:auto}.teacher-missed-question-list article>p:last-child{color:var(--teacher-ink-soft);margin:10px 0 0;font-size:.75rem;line-height:1.5}.teacher-no-misses{border-top:1px solid var(--teacher-line);color:var(--teacher-good);align-items:center;gap:7px;margin:0;padding:12px 14px;font-size:.75rem;display:flex}.teacher-detail-load-panel{max-width:520px}.teacher-detail-load-error{padding:22px}.teacher-detail-load-error p{color:var(--teacher-danger);margin:0 0 14px}@media (width<=560px){.teacher-missed-question-list dl{grid-template-columns:1fr}}.teacher-schedule-review{flex-direction:column;gap:18px;display:flex}.teacher-schedule-editor-fieldset{border:0;min-width:0;margin:0;padding:0}.teacher-schedule-layout-editor{grid-template-columns:minmax(620px,1.5fr) minmax(300px,.65fr);align-items:start;margin-bottom:0}.teacher-schedule-table{min-width:930px}.teacher-schedule-table input[type=date]{min-width:140px}.teacher-schedule-table input[type=time]{min-width:112px}.teacher-unit-toggles{gap:4px;display:flex}.teacher-unit-toggles button{background:var(--teacher-surface-muted);border:1px solid var(--teacher-line);color:var(--teacher-ink-soft);cursor:pointer;border-radius:8px;min-width:44px;min-height:44px;font-size:.75rem;font-weight:760}.teacher-unit-toggles button.is-active{background:var(--teacher-accent);border-color:var(--teacher-accent);color:#fff}.teacher-learning-scope-card,.teacher-question-preview-card{padding:clamp(20px,3vw,32px)}.teacher-review-scope-list{flex-direction:column;gap:12px;display:flex}.teacher-review-scope{border:1px solid var(--teacher-line);background:#f8f6f0;border-radius:14px;overflow:hidden}.teacher-review-scope>summary{cursor:pointer;justify-content:space-between;align-items:center;gap:18px;min-height:62px;padding:14px 18px;list-style:none;display:flex}.teacher-review-scope>summary::-webkit-details-marker{display:none}.teacher-review-scope>summary>span:first-child{flex-direction:column;gap:3px;display:flex}.teacher-review-scope>summary small{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-review-scope-chevron{color:var(--teacher-ink-faint);font-size:1.25rem;transition:transform .14s;transform:rotate(-90deg)}.teacher-review-scope[open] .teacher-review-scope-chevron{transform:rotate(0)}.teacher-skill-pool-grid{border-top:1px solid var(--teacher-line);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.teacher-skill-pool{min-width:0;padding:22px}.teacher-skill-pool+.teacher-skill-pool{border-left:1px solid var(--teacher-line)}.teacher-scope-confirm{background:var(--teacher-surface-strong);border-top:1px solid var(--teacher-line);cursor:pointer;align-items:flex-start;gap:10px;padding:14px 22px;display:flex}.teacher-scope-confirm input{accent-color:var(--teacher-accent);width:18px;height:18px;margin:1px 0 0}.teacher-scope-confirm>span{flex-direction:column;gap:2px;display:flex}.teacher-scope-confirm strong{font-size:.8rem}.teacher-scope-confirm small{color:var(--teacher-ink-faint);font-size:.72rem}.teacher-skill-pool-heading{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.teacher-skill-pool-heading h3{margin-bottom:7px}.teacher-skill-pool-heading p:last-child{color:var(--teacher-ink-soft);max-width:560px;margin-bottom:0;font-size:.8rem}.teacher-skill-pool-actions{flex-wrap:wrap;align-items:center;gap:6px 14px;margin:16px 0;display:flex}.teacher-skill-pool-actions .teacher-text-button{min-height:34px;font-size:.75rem}.teacher-skill-check-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.teacher-skill-check-groups fieldset{border:0;min-width:0;margin:0;padding:0}.teacher-skill-check-groups legend{color:var(--teacher-ink-faint);letter-spacing:.08em;text-transform:uppercase;margin-bottom:7px;font-size:.7rem;font-weight:760}.teacher-skill-check{background:var(--teacher-surface-strong);border:1px solid var(--teacher-line);cursor:pointer;border-radius:9px;align-items:flex-start;gap:9px;min-height:46px;margin-bottom:6px;padding:9px 10px;display:flex}.teacher-skill-check.is-selected{background:var(--teacher-accent-pale);border-color:color-mix(in srgb, var(--teacher-accent) 45%, var(--teacher-line))}.teacher-skill-check input{accent-color:var(--teacher-accent);flex:none;width:17px;height:17px;margin:2px 0 0}.teacher-skill-check>span{flex-direction:column;gap:3px;min-width:0;display:flex}.teacher-skill-check strong{font-size:.78rem;line-height:1.3}.teacher-skill-check small{color:var(--teacher-ink-faint);font-size:.7rem;line-height:1.3}.teacher-preview-placeholder{background:var(--teacher-surface-muted);color:var(--teacher-ink-soft);text-align:center;border:1px dashed #cbc8bd;border-radius:12px;margin:0;padding:20px}.teacher-exact-preview{border-top:1px solid var(--teacher-line);padding-top:24px}.teacher-exact-review{border:1px solid var(--teacher-line);background:#f8f6f0;border-radius:14px;overflow:hidden}.teacher-exact-review+.teacher-exact-review{margin-top:16px}.teacher-exact-review>header{background:var(--teacher-surface-strong);border-bottom:1px solid var(--teacher-line);justify-content:space-between;align-items:center;gap:20px;padding:16px 20px;display:flex}.teacher-exact-review>header>div{flex-direction:column;display:flex}.teacher-exact-review>header span,.teacher-exact-review>header p{color:var(--teacher-ink-faint);margin:0;font-size:.75rem}.teacher-exact-review>header h3{margin:2px 0}.teacher-exact-review>section{padding:20px}.teacher-exact-review>section+section{border-top:1px solid var(--teacher-line)}.teacher-exact-review h4{margin:0 0 14px;font-size:.88rem}.teacher-preview-question-list{gap:9px;margin:0 0 0 28px;padding:0;list-style-position:outside;display:grid}.teacher-preview-question-list>li{background:var(--teacher-surface-strong);border:1px solid var(--teacher-line);border-radius:10px;padding:13px 14px}.teacher-preview-question-list p{white-space:pre-wrap;margin:10px 0 0;font-size:.82rem}.teacher-preview-question-list pre{color:#f5f7f6;background:#17201d;border-radius:8px;margin:10px 0 0;padding:12px;font-size:.78rem;overflow-x:auto}.teacher-preview-choice-list{gap:6px;margin:12px 0 0;padding:0;list-style:none;display:grid}.teacher-preview-choice-list li{border:1px solid var(--teacher-line);background:#fff;border-radius:8px;align-items:flex-start;gap:9px;padding:8px 10px;display:flex}.teacher-preview-choice-list li>span:first-child{color:var(--teacher-ink-faint);flex:0 0 1.2rem;font-size:.72rem;font-weight:760}.teacher-preview-choice-list li.is-correct{background:#e8f6ed;border-color:#94c7a5}.teacher-preview-answer{background:#eef5fa;border-left:3px solid #6a9dbd;border-radius:6px;margin-top:12px;padding:10px 12px}.teacher-preview-answer strong,.teacher-preview-answer p,.teacher-preview-answer small{display:block}.teacher-preview-answer p{margin:3px 0 5px;font-weight:680}.teacher-preview-answer small{color:var(--teacher-ink-soft);line-height:1.45}.teacher-preview-question-meta{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.teacher-preview-question-meta>span:last-child{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-preview-open-tenth{background:#eef6f1}.teacher-open-prompt-select{max-width:720px;margin-bottom:18px}.teacher-open-prompt-select select{background:#fff}.teacher-preview-skill-note{color:var(--teacher-ink-soft);font-size:.75rem!important}.teacher-preview-open-tenth>p:not(.teacher-eyebrow){white-space:pre-wrap;font-size:.86rem}.teacher-preview-open-tenth dl{gap:7px;margin:14px 0 0;display:grid}.teacher-preview-open-tenth dl>div{background:#ffffffad;border-radius:8px;padding:9px 11px}.teacher-preview-open-tenth dt{font-size:.76rem;font-weight:720}.teacher-preview-open-tenth dd{color:var(--teacher-ink-soft);margin:2px 0 0;font-size:.75rem}.teacher-calendar-card{max-height:760px;overflow-y:auto}.teacher-calendar-list{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;display:grid}.teacher-mini-calendar{border:1px solid var(--teacher-line);background:#f7f5ef;border-radius:13px;padding:14px}.teacher-mini-calendar h3{margin-bottom:12px;font-family:ui-serif,Georgia,serif;font-weight:570}.teacher-calendar-table{border-collapse:separate;border-spacing:3px;table-layout:fixed;width:100%}.teacher-calendar-table th{color:var(--teacher-ink-faint);text-align:center;padding:0 0 4px;font-size:.75rem;font-weight:750}.teacher-calendar-table abbr{text-decoration:none}.teacher-calendar-table td{padding:0}.teacher-calendar-day{aspect-ratio:1;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;width:100%;min-height:28px;font-size:.75rem;display:flex;position:relative}.teacher-calendar-day.is-today{border-color:var(--teacher-coral);color:var(--teacher-coral);font-weight:750}.teacher-calendar-day.has-review{background:var(--teacher-accent);color:#fff;font-weight:750}.teacher-calendar-day i{color:var(--teacher-accent-dark);background:#fff;border-radius:50%;justify-content:center;align-items:center;width:12px;height:12px;font-size:.75rem;font-style:normal;display:flex;position:absolute;top:1px;right:1px}.teacher-confirm-zone{background:var(--teacher-surface);border:1px solid var(--teacher-line);box-shadow:var(--teacher-shadow-sm);border-radius:18px;padding:18px}.teacher-confirm-zone .teacher-confirm-check{margin-top:0}.teacher-process-card{background:var(--teacher-ink);border-color:var(--teacher-ink);color:#fff}.teacher-process-card .teacher-eyebrow{color:#a6d1c2}.teacher-step-list{margin:22px 0 0;padding:0;list-style:none}.teacher-step-list li{grid-template-columns:auto 1fr;gap:12px;display:grid}.teacher-step-list li+li{margin-top:17px}.teacher-step-list li>span{background:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-family:ui-serif,Georgia,serif;font-size:.8rem;display:inline-flex}.teacher-step-list strong{font-size:.82rem}.teacher-step-list p{color:#ffffff9e;margin:2px 0 0;font-size:.75rem}.teacher-card:not(.teacher-process-card) .teacher-step-list li>span{background:var(--teacher-accent-pale);color:var(--teacher-accent-dark)}.teacher-card:not(.teacher-process-card) .teacher-step-list p{color:var(--teacher-ink-soft)}.teacher-review-list{border-top:1px solid var(--teacher-line)}.teacher-review-row{grid-template-columns:auto minmax(260px,1fr) minmax(130px,.35fr) auto;align-items:center;gap:18px;padding:17px 22px;display:grid}.teacher-review-row+.teacher-review-row{border-top:1px solid #e9e7df}.teacher-date-tile-large{width:52px;height:52px}.teacher-date-tile-large strong{font-size:1.15rem}.teacher-review-main{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;min-width:0;display:flex}.teacher-review-main>div:first-child{flex-direction:column;min-width:0;display:flex}.teacher-review-main strong{font-size:.86rem}.teacher-review-main span{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-review-progress .teacher-progress-track{margin-bottom:0}.teacher-review-actions{flex-direction:column;align-items:flex-end;gap:8px;display:flex}.teacher-diagnostic-chips{flex-wrap:wrap;flex:1 0 100%;gap:6px;display:flex}.teacher-diagnostic-chips>span{background:var(--teacher-surface-muted);border-radius:8px;flex-direction:column;gap:1px;padding:6px 9px;display:flex}.teacher-diagnostic-chips small{color:var(--teacher-ink-faint);font-size:.66rem}.teacher-diagnostic-chips strong{color:var(--teacher-ink);font-size:.75rem}.teacher-progress-block+.teacher-diagnostic-chips{margin:12px 0 16px}.teacher-review-diagnostics{border:1px solid var(--teacher-line);background:#f8f6f0;border-radius:10px;grid-column:2/-1;overflow:hidden}.teacher-review-diagnostics>summary{cursor:pointer;padding:11px 13px;font-size:.78rem;font-weight:700}.teacher-review-diagnostic-grid{border-top:1px solid var(--teacher-line);grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:15px;display:grid}.teacher-review-diagnostic-grid h3{margin-bottom:10px;font-size:.8rem}.teacher-diagnostic-row{background:var(--teacher-surface-strong);border:1px solid var(--teacher-line);border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:9px 10px;display:flex}.teacher-diagnostic-row+.teacher-diagnostic-row,.teacher-missed-question+.teacher-missed-question{margin-top:6px}.teacher-diagnostic-row>span{flex-direction:column;display:flex}.teacher-diagnostic-row strong,.teacher-missed-question strong{font-size:.75rem}.teacher-diagnostic-row small,.teacher-missed-question small{color:var(--teacher-ink-faint);font-size:.7rem}.teacher-missed-question{background:var(--teacher-surface-strong);border:1px solid var(--teacher-line);border-radius:8px;padding:10px}.teacher-missed-question>div{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.teacher-missed-question>div>span:last-child{color:var(--teacher-ink-faint);font-size:.7rem}.teacher-missed-question p{margin:8px 0 4px;font-size:.75rem}.teacher-mastery-summary{grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px;display:grid}.teacher-tier-summary{border:1px solid #0000;border-radius:13px;align-items:center;gap:9px;min-height:58px;padding:12px 15px;display:flex}.teacher-tier-summary span{font-family:ui-serif,Georgia,serif;font-size:1.45rem;line-height:1}.teacher-tier-summary strong{font-size:.75rem}.teacher-tier-secure{color:#205c4d!important;background:#dcece5!important;border-color:#c4ddd2!important}.teacher-tier-developing{color:#74591d!important;background:#f5edcf!important;border-color:#e8dcae!important}.teacher-tier-needs_support{color:#913f38!important;background:#f7e2df!important;border-color:#ebc5c0!important}.teacher-tier-unassessed{color:#737d77!important;background:#eeece5!important;border-color:#dedcd4!important}.teacher-mastery-card{padding:0}.teacher-mastery-legend{flex-wrap:wrap;gap:8px;padding:0 22px 16px;display:flex}.teacher-mastery-legend span{border:1px solid;border-radius:999px;padding:5px 8px;font-size:.75rem;font-weight:720}.teacher-mastery-scroll{border-top:1px solid var(--teacher-line);max-height:68vh}.teacher-mastery-table{border-collapse:separate;border-spacing:3px;min-width:max-content;padding:7px}.teacher-mastery-table th{background:var(--teacher-surface);color:var(--teacher-ink-soft);z-index:2;min-width:58px;padding:6px;font-size:.75rem;font-weight:660;position:sticky;top:0}.teacher-mastery-table thead th:first-child{text-align:left;z-index:4;min-width:160px;left:0}.teacher-mastery-table tbody th{text-align:left;text-overflow:ellipsis;white-space:nowrap;z-index:3;min-width:160px;max-width:160px;position:sticky;left:0;overflow:hidden}.teacher-mastery-table thead th span{text-overflow:ellipsis;white-space:nowrap;max-width:74px;display:block;overflow:hidden}.teacher-mastery-table thead th small{color:var(--teacher-ink-faint);margin-top:2px;font-size:.75rem;display:block}.teacher-mastery-table td{padding:0}.teacher-mastery-cell{cursor:pointer;border:1px solid;border-radius:8px;justify-content:center;align-items:baseline;width:100%;min-width:56px;height:48px;padding:7px;display:flex}.teacher-mastery-cell:hover{filter:saturate(1.25)brightness(.97);transform:scale(1.03)}.teacher-mastery-cell strong{font-size:.78rem}.teacher-mastery-cell span{font-size:.75rem}.teacher-cell-detail-backdrop{z-index:90;background:#18231f29;position:fixed;inset:0}.teacher-cell-detail{background:var(--teacher-surface-strong);border:1px solid var(--teacher-line-strong);box-shadow:var(--teacher-shadow-lg);z-index:91;border-radius:16px;width:calc(100vw - 48px);max-width:360px;padding:20px;position:fixed;bottom:24px;right:24px}.teacher-cell-detail>.teacher-icon-button{position:absolute;top:8px;right:8px}.teacher-cell-detail h3{padding-right:32px}.teacher-cell-score{align-items:center;gap:12px;margin:18px 0;display:flex}.teacher-cell-score>strong{font-family:ui-serif,Georgia,serif;font-size:2rem;font-weight:560}.teacher-evidence-grid{grid-template-columns:repeat(4,1fr);gap:7px;margin-bottom:15px;display:grid}.teacher-evidence-grid>div{background:var(--teacher-surface-muted);text-align:center;border-radius:8px;padding:8px}.teacher-evidence-grid dt{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-evidence-grid dd{font-size:.88rem;font-weight:720}.teacher-cell-detail .teacher-muted{margin-bottom:0;font-size:.75rem}.teacher-textbook-toolbar{justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px;display:flex}.teacher-release-label{flex-direction:column;align-items:flex-end;display:flex}.teacher-release-label span,.teacher-release-label small{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-release-label strong{font-size:.78rem}.teacher-unit-intro{color:#fff;background:linear-gradient(140deg,#193d35,#235d4f);border-color:#0000;margin-bottom:14px}.teacher-unit-intro .teacher-eyebrow{color:#aed6c7}.teacher-unit-intro h2{font-family:ui-serif,Georgia,serif;font-size:1.55rem;font-weight:550}.teacher-unit-intro>p:not(.teacher-eyebrow){color:#ffffffc2;max-width:850px}.teacher-unit-stats{gap:8px;display:flex}.teacher-unit-stats span{background:#ffffff1a;border:1px solid #ffffff1f;border-radius:999px;padding:5px 9px;font-size:.75rem}.teacher-concept-list{flex-direction:column;gap:10px;display:flex}.teacher-concept-card{background:var(--teacher-surface);border:1px solid var(--teacher-line);box-shadow:var(--teacher-shadow-sm);border-radius:15px;overflow:hidden}.teacher-concept-card>summary,.teacher-question-item>summary{cursor:pointer;list-style:none}.teacher-concept-card>summary::-webkit-details-marker{display:none}.teacher-question-item>summary::-webkit-details-marker{display:none}.teacher-concept-card>summary{grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:13px;min-height:76px;padding:13px 18px;display:grid}.teacher-concept-card>summary>span:nth-child(2){flex-direction:column;min-width:0;display:flex}.teacher-concept-card>summary strong{font-size:.9rem}.teacher-concept-card>summary small{color:var(--teacher-ink-faint);text-overflow:ellipsis;white-space:nowrap;font-size:.75rem;overflow:hidden}.teacher-concept-card>summary>svg,.teacher-question-item>summary>svg{color:var(--teacher-ink-faint);width:18px;height:18px;transition:transform .16s}.teacher-concept-card[open]>summary>svg,.teacher-question-item[open]>summary>svg{transform:rotate(90deg)}.teacher-concept-number{background:var(--teacher-accent-pale);color:var(--teacher-accent);border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.75rem;display:inline-flex}.teacher-question-mix{gap:3px;display:flex}.teacher-question-mix i{background:var(--teacher-surface-muted);color:var(--teacher-ink-faint);border-radius:5px;padding:4px 5px;font-size:.75rem;font-style:normal}.teacher-concept-body{border-top:1px solid var(--teacher-line);grid-template-columns:minmax(0,.85fr) minmax(320px,1.15fr);gap:18px;padding:22px;display:grid}.teacher-concept-copy{flex-direction:column;gap:18px;display:flex}.teacher-concept-summary{color:var(--teacher-ink-soft);font-size:.9rem;line-height:1.65}.teacher-vocabulary span{background:var(--teacher-accent-pale);color:var(--teacher-accent-dark);border-color:#d2e3dd}.teacher-misconception{background:var(--teacher-coral-soft);border-left:3px solid var(--teacher-coral);border-radius:0 10px 10px 0;padding:13px 15px}.teacher-misconception strong{color:#914b34;font-size:.75rem}.teacher-misconception p{color:#714535;margin:4px 0 0;font-size:.76rem}.teacher-worked-example{color:#fff;background:#1e2925;border-radius:13px;padding:18px}.teacher-worked-example .teacher-eyebrow{color:#9ac7b7}.teacher-worked-example pre,.teacher-question-item pre{color:#d8eee6;white-space:pre;background:#111916;border:1px solid #ffffff14;border-radius:9px;margin:12px 0;padding:13px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.76rem;line-height:1.55;overflow-x:auto}.teacher-worked-example>p:last-child{color:#ffffffb3;margin-bottom:0;font-size:.76rem}.teacher-question-bank{border-top:1px solid var(--teacher-line);grid-column:1/-1;padding-top:18px}.teacher-question-item{border:1px solid var(--teacher-line);border-radius:10px}.teacher-question-item+.teacher-question-item{margin-top:7px}.teacher-question-item>summary{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;min-height:50px;padding:8px 11px;display:grid}.teacher-question-item>summary>span:nth-child(2){text-overflow:ellipsis;white-space:nowrap;font-size:.76rem;overflow:hidden}.teacher-question-item>div{border-top:1px solid var(--teacher-line);color:var(--teacher-ink-soft);padding:14px;font-size:.77rem}.teacher-question-item pre{color:#d8eee6}.teacher-choice-list{margin:10px 0;padding-left:22px}.teacher-choice-list li+li{margin-top:4px}.teacher-answer-key{background:var(--teacher-accent-pale);border-radius:8px;align-items:flex-start;gap:10px;margin:10px 0;padding:10px;display:flex}.teacher-answer-key strong{color:var(--teacher-accent-dark);text-transform:uppercase;font-size:.75rem}.teacher-answer-key code{color:var(--teacher-ink);white-space:pre-wrap;font-size:.75rem}.teacher-open-prompt-bank{margin-top:18px}.teacher-open-prompt-list{gap:8px;display:grid}.teacher-open-prompt-item>summary>span:nth-child(2){white-space:normal;flex-direction:column;display:flex}.teacher-open-prompt-item>summary small{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-open-prompt-copy{color:var(--teacher-ink);font-family:ui-serif,Georgia,serif;font-size:1rem;line-height:1.65}.teacher-rubric-list{gap:8px;padding:0;list-style:none;display:grid}.teacher-rubric-list li{background:var(--teacher-surface-muted);border-radius:9px;gap:3px;padding:10px 12px;display:grid}.teacher-rubric-list strong{color:var(--teacher-ink)}.teacher-answer-key>span{color:var(--teacher-ink-soft);line-height:1.55}.teacher-inbox-toolbar{align-items:center;gap:12px;margin-bottom:18px;display:flex}.teacher-result-count{color:var(--teacher-ink-faint);white-space:nowrap;margin-left:auto;font-size:.75rem}.teacher-inbox-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.teacher-response-card{flex-direction:column;gap:16px;display:flex}.teacher-response-card header{justify-content:space-between;align-items:center;display:flex}.teacher-response-prompt{background:var(--teacher-surface-muted);border-radius:10px;padding:12px}.teacher-response-prompt p:last-child{margin-bottom:0;font-size:.77rem}.teacher-response-rubric ul{gap:7px;margin:8px 0 0;padding:0;list-style:none;display:grid}.teacher-response-rubric li{background:var(--teacher-surface-muted);border-radius:9px;gap:2px;padding:9px 11px;display:grid}.teacher-response-rubric li strong{color:var(--teacher-ink);font-size:.76rem}.teacher-response-rubric li span{color:var(--teacher-ink-soft);font-size:.74rem;line-height:1.45}.teacher-response-answer{border-left:3px solid var(--teacher-accent);padding-left:14px}.teacher-response-answer>div{white-space:pre-wrap;font-family:ui-serif,Georgia,serif;font-size:1rem;line-height:1.65}.teacher-coaching{background:var(--teacher-accent-pale);border:1px solid #d5e5df;border-radius:11px;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:13px;display:grid}.teacher-coaching>div:last-child:nth-child(3){grid-column:1/-1}.teacher-coaching span{color:var(--teacher-accent-dark);letter-spacing:.06em;text-transform:uppercase;font-size:.75rem;font-weight:760}.teacher-coaching p{color:var(--teacher-ink-soft);margin:3px 0 0;font-size:.75rem}.teacher-response-note{margin-bottom:0;font-size:.75rem}.teacher-response-actions{border-top:1px solid var(--teacher-line);justify-content:space-between;align-items:center;gap:10px;margin-top:auto;padding-top:14px;display:flex}.teacher-response-actions>div{flex:1}.teacher-response-actions p{margin:0}.teacher-settings-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-settings-card{align-items:flex-start;gap:16px;display:flex}.teacher-settings-icon{background:var(--teacher-accent-pale);color:var(--teacher-accent);border-radius:12px;flex:none;justify-content:center;align-items:center;width:46px;height:46px;display:inline-flex}.teacher-settings-icon svg{width:21px;height:21px}.teacher-settings-card>div{flex:1}.teacher-settings-card h2{margin-bottom:6px}.teacher-settings-card>div>p:not(.teacher-eyebrow){color:var(--teacher-ink-soft);font-size:.76rem}.teacher-settings-card dl{margin-bottom:0}.teacher-settings-card dl>div{border-top:1px solid var(--teacher-line);justify-content:space-between;padding:8px 0;font-size:.75rem;display:flex}.teacher-settings-card dt{color:var(--teacher-ink-faint)}.teacher-settings-card dd{font-weight:650}.teacher-settings-wide{grid-column:1/-1}.teacher-privacy-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.teacher-privacy-grid>div{background:var(--teacher-surface-muted);border-radius:10px;align-items:center;gap:9px;padding:11px;display:flex}.teacher-privacy-grid svg{color:var(--teacher-accent);flex:none;width:18px;height:18px}.teacher-privacy-grid span{flex-direction:column;display:flex}.teacher-privacy-grid strong{font-size:.75rem}.teacher-privacy-grid small{color:var(--teacher-ink-faint);font-size:.75rem}.teacher-account-row{justify-content:space-between;align-items:center;gap:20px;display:flex}.teacher-account-row p:last-child{margin-bottom:0}.teacher-visually-hidden{white-space:nowrap!important;clip:rect(0 0 0 0)!important;clip-path:inset(50%)!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.teacher-login{background:var(--teacher-bg);justify-content:center;align-items:center;min-height:100dvh;padding:24px;display:flex;position:relative;overflow:hidden}.teacher-login-ambient{filter:blur(2px);opacity:.75;pointer-events:none;border-radius:50%;position:absolute}.teacher-login-ambient-one{background:radial-gradient(circle,#cce5dc,#cce5dc00);width:540px;height:540px;top:-180px;left:-170px}.teacher-login-ambient-two{background:radial-gradient(circle,#f0d9cb,#f0d9cb00);width:600px;height:600px;bottom:-210px;right:-170px}.teacher-login-card{box-shadow:var(--teacher-shadow-lg);z-index:1;background:#fffdfaf0;border:1px solid #cbcdc5d9;border-radius:24px;width:100%;max-width:500px;padding:clamp(28px,5vw,48px);position:relative}.teacher-login-brand{margin-bottom:38px}.teacher-login-card h1{margin-bottom:14px}.teacher-login-intro{color:var(--teacher-ink-soft);margin-bottom:28px;font-size:.94rem;line-height:1.65}.teacher-login-form{flex-direction:column;gap:16px;display:flex}.teacher-login-form input{min-height:48px;font-size:.9rem}.teacher-login-submit{width:100%;min-height:50px;margin-top:4px}.teacher-login-note{border-top:1px solid var(--teacher-line);color:var(--teacher-ink-faint);text-align:center;margin:26px 0 0;padding-top:18px;font-size:.75rem}.teacher-session-check{flex-direction:column;gap:16px}.teacher-session-check p{color:var(--teacher-ink-soft);margin:0}@media (width<=1180px){.teacher-student-snapshot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-schedule-layout-editor{grid-template-columns:1fr}.teacher-calendar-card{max-height:none}.teacher-inbox-list{grid-template-columns:1fr}}@media (width<=980px){.teacher-shell{display:block}.teacher-sidebar{display:none}.teacher-mobile-header{border-bottom:1px solid var(--teacher-line);z-index:30;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f5f3ecf0;justify-content:space-between;align-items:center;height:68px;padding:9px 18px;display:flex;position:sticky;top:0}.teacher-mobile-header .teacher-sidebar-brand{padding:0}.teacher-mobile-nav{background:var(--teacher-bg);border-bottom:1px solid var(--teacher-line);z-index:29;gap:4px;padding:7px 12px;display:flex;position:sticky;top:68px;overflow-x:auto}.teacher-mobile-nav button{flex:none;gap:7px;width:auto;padding-inline:11px}.teacher-mobile-nav button span{font-size:.75rem}.teacher-main{min-height:calc(100dvh - 120px);padding:34px 24px 64px}.teacher-overview-grid,.teacher-schedule-layout{grid-template-columns:1fr}.teacher-metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-concept-body,.teacher-skill-pool-grid{grid-template-columns:1fr}.teacher-skill-pool+.teacher-skill-pool{border-left:0;border-top:1px solid var(--teacher-line)}.teacher-question-bank{grid-column:auto}}@media (width<=720px){.teacher-main{padding:28px 16px 56px}.teacher-page-header{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:24px}.teacher-page-header h1{font-size:2.35rem}.teacher-page-action,.teacher-page-action .teacher-button{width:100%}.teacher-metric-grid,.teacher-metric-grid-three,.teacher-mastery-summary,.teacher-settings-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-metric-card{flex-direction:column;align-items:flex-start;min-height:126px}.teacher-card{border-radius:14px;padding:18px}.teacher-table-card,.teacher-mastery-card{padding:0}.teacher-table-toolbar,.teacher-inbox-toolbar,.teacher-textbook-toolbar{flex-direction:column;align-items:stretch}.teacher-search-field{width:100%;max-width:none}.teacher-segmented{grid-template-columns:repeat(3,1fr);width:100%;display:grid}.teacher-segmented-large{grid-template-columns:1fr}.teacher-segmented button{white-space:normal;min-height:44px}.teacher-result-count{margin-left:0}.teacher-student-snapshot-grid{grid-template-columns:1fr}.teacher-callout{flex-direction:column;align-items:stretch}.teacher-callout .teacher-button{width:100%}.teacher-form-actions{flex-direction:column-reverse;align-items:stretch}.teacher-form-actions .teacher-button{width:100%}.teacher-form-grid-two,.teacher-dialog-success{grid-template-columns:1fr}.teacher-dialog-success{align-items:stretch}.teacher-dialog-success .teacher-button{width:100%}.teacher-review-row{grid-template-columns:auto 1fr auto;align-items:start}.teacher-review-main{flex-direction:column;align-items:flex-start;gap:7px}.teacher-review-progress{grid-column:2/-1;width:100%}.teacher-question-preview-card>.teacher-card-heading,.teacher-skill-pool-heading{flex-direction:column;align-items:stretch}.teacher-question-preview-card>.teacher-card-heading .teacher-button{width:100%}.teacher-skill-check-groups,.teacher-review-diagnostic-grid{grid-template-columns:1fr}.teacher-review-diagnostics{grid-column:1/-1}.teacher-response-actions{flex-direction:column;align-items:stretch}.teacher-response-actions .teacher-button{width:100%}.teacher-concept-card>summary{grid-template-columns:auto minmax(0,1fr) auto}.teacher-question-mix{display:none}.teacher-coaching,.teacher-privacy-grid{grid-template-columns:1fr}.teacher-coaching>div:last-child:nth-child(3){grid-column:auto}.teacher-settings-wide{grid-column:1/-1}.teacher-account-row{flex-direction:column;align-items:stretch}.teacher-login{padding:12px}.teacher-login-card{border-radius:18px;padding:28px 22px}}@media (width<=480px){.teacher-mobile-nav button span{display:none}.teacher-mobile-nav button{justify-content:center;min-width:48px}.teacher-metric-grid,.teacher-metric-grid-three,.teacher-mastery-summary,.teacher-settings-grid{grid-template-columns:1fr}.teacher-metric-card{flex-direction:row;align-items:center;min-height:92px}.teacher-student-snapshot-score{display:none}.teacher-student-snapshot,.teacher-import-toggle{grid-template-columns:auto minmax(0,1fr)}.teacher-import-chevron{display:none}.teacher-import-body{padding:16px}.teacher-detail-panel{width:100vw;padding:22px 18px}.teacher-detail-metrics{grid-template-columns:1fr}.teacher-mini-calendar{padding:11px}.teacher-calendar-day{min-height:32px}.teacher-review-row{grid-template-columns:auto 1fr;padding:15px}.teacher-review-actions{flex-direction:row;grid-column:1/-1;justify-content:space-between;align-items:stretch}.teacher-review-progress{grid-column:1/-1}.teacher-concept-card>summary{padding-inline:12px}.teacher-concept-number{width:36px;height:36px}.teacher-concept-body{padding:15px}.teacher-response-card header{flex-direction:column;align-items:flex-start;gap:10px}.teacher-settings-wide{grid-column:auto}.teacher-settings-card{flex-direction:column}.teacher-cell-detail{width:auto;bottom:10px;left:10px;right:10px}.teacher-dialog-centered{padding:8px}.teacher-modal-card{max-height:calc(100vh - 16px);padding:20px 16px}.teacher-inline-actions{flex-direction:column;align-items:stretch}.teacher-inline-actions .teacher-button{width:100%}}@media (prefers-reduced-motion:reduce){.teacher-shell *,.teacher-shell :before,.teacher-shell :after,.teacher-login *,.teacher-login :before,.teacher-login :after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{.teacher-shell .teacher-sidebar,.teacher-shell .teacher-mobile-header,.teacher-shell .teacher-mobile-nav,.teacher-shell .teacher-page-header,.teacher-shell .teacher-import-toggle,.teacher-shell .teacher-callout .teacher-button,.teacher-shell .teacher-form-actions{display:none!important}.teacher-shell,.teacher-workspace,.teacher-main{background:#fff!important;min-height:auto!important;padding:0!important;display:block!important}.teacher-shell .teacher-import-card,.teacher-shell .teacher-import-body{box-shadow:none!important;border:0!important;padding:0!important}}.t10s-root{--t10s-paper:#f7f5ef;--t10s-paper-deep:#eee9df;--t10s-card:#fffffce6;--t10s-ink:#202823;--t10s-muted:#687069;--t10s-line:#dcd8cf;--t10s-sage:#315f4b;--t10s-sage-soft:#dce9df;--t10s-moss:#91ad91;--t10s-coral:#b9654a;--t10s-coral-soft:#f1ded5;--t10s-gold:#d9a741;--t10s-code:#1f2723;box-sizing:border-box;width:100%;min-height:100dvh;color:var(--t10s-ink);background:radial-gradient(circle at 88% 4%, #d8e6d399, transparent 28rem), radial-gradient(circle at 5% 82%, #efdccd73, transparent 26rem), var(--t10s-paper);isolation:isolate;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.55;overflow-x:clip}.t10s-root *,.t10s-root :before,.t10s-root :after{box-sizing:inherit}.t10s-root button,.t10s-root input,.t10s-root textarea,.t10s-root select{font:inherit}.t10s-root button,.t10s-root summary,.t10s-root label,.t10s-root select{-webkit-tap-highlight-color:transparent}.t10s-root button{min-height:44px}.t10s-root button:focus-visible,.t10s-root input:focus-visible,.t10s-root textarea:focus-visible,.t10s-root select:focus-visible,.t10s-root summary:focus-visible,.t10s-root a:focus-visible{outline-offset:3px;outline:3px solid #315f4b52}.t10s-sr-only{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.t10s-skip-link{z-index:100;color:#fff;background:var(--t10s-sage);border-radius:10px;padding:10px 15px;transition:transform .16s;position:fixed;top:10px;left:10px;transform:translateY(-150%)}.t10s-skip-link:focus{transform:translateY(0)}.t10s-eyebrow{color:var(--t10s-sage);letter-spacing:.12em;text-transform:uppercase;margin:0;font-size:.75rem;font-weight:800}.t10s-primary-button,.t10s-secondary-button,.t10s-text-button{cursor:pointer;border:0;border-radius:999px;font-weight:750;transition:transform .15s,box-shadow .15s,background .15s}.t10s-primary-button{color:#fff;background:var(--t10s-sage);padding:13px 24px;box-shadow:0 8px 22px #274b3b2e;min-height:52px!important}.t10s-primary-button:hover:not(:disabled){background:#244e3c;transform:translateY(-1px);box-shadow:0 11px 28px #274b3b3d}.t10s-secondary-button{color:var(--t10s-sage);background:0 0;border:1px solid #bdc9c0;padding:11px 20px}.t10s-secondary-button:hover:not(:disabled){background:var(--t10s-sage-soft)}.t10s-text-button{color:var(--t10s-muted);text-underline-offset:4px;background:0 0;padding:8px 4px;-webkit-text-decoration:underline #0000;text-decoration:underline #0000}.t10s-text-button:hover:not(:disabled){color:var(--t10s-sage);text-decoration-color:currentColor}.t10s-root button:disabled{cursor:not-allowed;opacity:.55;box-shadow:none;transform:none}.t10s-brand-mark{color:#fff;background:var(--t10s-sage);border-radius:15px 15px 15px 5px;flex:0 0 44px;place-items:center;width:44px;height:44px;display:inline-grid;position:relative;box-shadow:0 5px 15px #274b3b33}.t10s-brand-mark i{background:var(--t10s-gold);border:3px solid var(--t10s-paper);border-radius:50%;width:12px;height:12px;position:absolute;top:-4px;right:-4px}.t10s-brand-mark b{letter-spacing:-.05em;font-size:.92rem}.t10s-inline-loader{justify-content:center;align-items:center;gap:6px;min-height:24px;display:flex}.t10s-inline-loader span{background:var(--t10s-sage);border-radius:50%;width:7px;height:7px;animation:1.1s ease-in-out infinite t10s-bounce}.t10s-inline-loader span:nth-child(2){animation-delay:.1s}.t10s-inline-loader span:nth-child(3){animation-delay:.2s}@keyframes t10s-bounce{0%,60%,to{opacity:.45;transform:translateY(0)}30%{opacity:1;transform:translateY(-5px)}}.t10s-loading-screen{place-content:center;justify-items:center;gap:20px;display:grid}.t10s-loading-screen>.t10s-brand-mark{width:62px;height:62px;font-size:1.2rem}.t10s-loading-screen p{color:var(--t10s-muted);margin:0}.t10s-login-shell{flex-direction:column;min-height:100dvh;display:flex;position:relative}.t10s-login-brand{z-index:2;align-items:center;gap:12px;width:min(1180px,100% - 48px);margin:0 auto;padding:28px 0;display:flex}.t10s-login-brand div{flex-direction:column;line-height:1.2;display:flex}.t10s-login-brand strong{font-size:1.08rem}.t10s-login-brand span{color:var(--t10s-muted);font-size:.76rem}.t10s-login-main{z-index:1;flex:1;grid-template-columns:minmax(0,1.1fr) minmax(350px,.7fr);align-items:center;gap:clamp(48px,8vw,120px);width:min(1100px,100% - 48px);margin:0 auto;padding:36px 0 76px;display:grid}.t10s-login-copy h1{letter-spacing:-.055em;max-width:740px;margin:18px 0 22px;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.8rem,6vw,5.6rem);font-weight:500;line-height:.98}.t10s-login-copy>p:last-of-type{max-width:580px;color:var(--t10s-muted);font-size:clamp(1.05rem,1.8vw,1.26rem)}.t10s-login-sequence{color:var(--t10s-muted);align-items:center;gap:13px;margin-top:36px;font-size:.83rem;display:flex}.t10s-login-sequence span{align-items:baseline;gap:5px;display:flex}.t10s-login-sequence b{color:var(--t10s-ink);font-family:Georgia,serif;font-size:1.7rem;font-weight:500}.t10s-login-sequence i{background:var(--t10s-line);width:34px;height:1px}.t10s-login-card{background:var(--t10s-card);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid #d0ccc2d1;border-radius:28px;flex-direction:column;gap:20px;padding:clamp(28px,4vw,44px);display:flex;box-shadow:0 28px 70px #413e351f}.t10s-login-card h2{margin:5px 0 3px;font-family:Georgia,serif;font-size:2rem;font-weight:500}.t10s-login-card>div>p:last-child{color:var(--t10s-muted);margin:0}.t10s-login-card>label:not(.t10s-checkbox){flex-direction:column;gap:7px;font-size:.84rem;font-weight:750;display:flex}.t10s-login-card input:not([type=checkbox]){width:100%;min-height:54px;color:var(--t10s-ink);background:#ffffffd1;border:1px solid #cfcac0;border-radius:13px;padding:12px 15px;font-size:1rem}.t10s-login-card input[type=password]{letter-spacing:.2em;font-size:1.35rem}.t10s-checkbox{min-height:44px;color:var(--t10s-muted);cursor:pointer;align-items:center;gap:10px;font-size:.88rem;display:flex}.t10s-checkbox input{width:19px;height:19px;accent-color:var(--t10s-sage)}.t10s-privacy-note{color:var(--t10s-muted);align-items:center;gap:8px;margin:-13px 0 0;font-size:.78rem;display:flex}.t10s-login-footer{z-index:1;min-height:54px;color:var(--t10s-muted);text-align:center;justify-content:center;align-items:center;gap:10px 20px;padding:5px 24px;font-size:.76rem;display:flex}.t10s-login-footer a{min-height:44px;color:inherit;text-underline-offset:3px;align-items:center;text-decoration-color:#6870696b;display:inline-flex}.t10s-login-footer a:hover{color:var(--t10s-sage);text-decoration-color:currentColor}.t10s-login-ambient{pointer-events:none;position:absolute;inset:0;overflow:hidden}.t10s-login-ambient span{filter:blur(1px);border-radius:50%;position:absolute}.t10s-login-ambient span:first-child{background:#bcd1ba47;width:420px;height:420px;top:12%;right:-110px}.t10s-login-ambient span:nth-child(2){border:1px solid #b9654a38;width:190px;height:190px;bottom:5%;left:4%}.t10s-login-ambient span:nth-child(3){background:var(--t10s-gold);width:16px;height:16px;box-shadow:28px 33px 0 -4px var(--t10s-coral), -25px 47px 0 -5px var(--t10s-moss);top:19%;left:48%}.t10s-header{z-index:20;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f7f5efde;border-bottom:1px solid #dcd8cfbf;grid-template-columns:1fr auto 1fr;align-items:center;min-height:76px;padding:10px max(24px,50vw - 620px);display:grid;position:sticky;top:0}.t10s-brand-button{color:var(--t10s-ink);cursor:pointer;text-align:left;background:0 0;border:0;justify-self:start;align-items:center;gap:10px;padding:3px;display:flex}.t10s-brand-button>span:last-child{flex-direction:column;line-height:1.1;display:flex}.t10s-brand-button small{color:var(--t10s-muted);margin-top:3px;font-size:.68rem}.t10s-desktop-nav{background:#e8e5dcb8;border-radius:999px;gap:4px;padding:4px;display:flex}.t10s-desktop-nav button{min-width:88px;color:var(--t10s-muted);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:8px 14px;font-size:.86rem;font-weight:700}.t10s-desktop-nav button.is-active{color:var(--t10s-ink);background:#fff;box-shadow:0 2px 8px #30312c14}.t10s-student-menu{justify-self:end;align-items:center;gap:9px;display:flex}.t10s-student-menu>span{width:38px;height:38px;color:var(--t10s-sage);background:var(--t10s-sage-soft);border-radius:50%;place-items:center;font-weight:800;display:grid}.t10s-student-menu div{flex-direction:column;max-width:145px;line-height:1.15;display:flex}.t10s-student-menu strong{text-overflow:ellipsis;white-space:nowrap;font-size:.82rem;overflow:hidden}.t10s-student-menu small{color:var(--t10s-muted);text-overflow:ellipsis;white-space:nowrap;font-size:.68rem;overflow:hidden}.t10s-student-menu button{color:var(--t10s-muted);cursor:pointer;background:0 0;border:0;padding:6px 8px;font-size:.76rem}.t10s-mobile-nav{display:none}.t10s-page{width:min(1120px,100% - 48px);margin:0 auto;padding:clamp(42px,7vw,84px) 0 100px}.t10s-welcome{grid-template-columns:minmax(0,1fr) 180px;align-items:center;gap:36px;margin-bottom:38px;display:grid}.t10s-welcome h1,.t10s-section-heading h1{letter-spacing:-.045em;margin:10px 0 14px;font-family:Georgia,serif;font-size:clamp(2.4rem,5vw,4.5rem);font-weight:500;line-height:1.02}.t10s-welcome p:last-child,.t10s-section-heading>p:last-child{max-width:720px;color:var(--t10s-muted);margin:0;font-size:1.06rem}.t10s-welcome-art{width:160px;height:160px;color:var(--t10s-sage);border:1px solid var(--t10s-line);background:#ffffff80;border-radius:50%;justify-self:end;place-items:center;display:grid;position:relative}.t10s-welcome-art>span{font-family:Georgia,serif;font-size:3.4rem}.t10s-welcome-art i,.t10s-welcome-art b{border-radius:50%;position:absolute}.t10s-welcome-art i{background:var(--t10s-gold);width:25px;height:25px;top:17px;right:5px}.t10s-welcome-art b{background:var(--t10s-coral);width:15px;height:15px;bottom:24px;left:1px}.t10s-countdown{color:var(--t10s-ink);border:1px solid var(--t10s-line);background:#fffffcc7;border-radius:18px;align-items:center;gap:16px;margin:-12px 0 28px;padding:17px 20px;display:flex;box-shadow:0 10px 28px #413e350d}.t10s-countdown-mark{color:#fff;background:var(--t10s-sage);border-radius:50%;flex:0 0 42px;place-items:center;width:42px;height:42px;font-family:Georgia,serif;font-size:1.08rem;display:grid}.t10s-countdown h2{margin:0;font-family:Georgia,serif;font-size:clamp(1.25rem,2.2vw,1.6rem);font-weight:500}.t10s-countdown p{color:var(--t10s-muted);margin:4px 0 0;font-size:.88rem}.t10s-active-review{color:#f7faf7;background:linear-gradient(135deg,#294c3e,#396a53);border-radius:28px;grid-template-columns:1fr auto;gap:20px 36px;padding:clamp(28px,5vw,52px);display:grid;position:relative;overflow:hidden;box-shadow:0 20px 48px #25453633}.t10s-active-review:after{content:"";border:45px solid #ffffff0f;border-radius:50%;width:300px;height:300px;position:absolute;bottom:-120px;right:-70px}.t10s-live-pill{z-index:1;color:#254a39;text-transform:uppercase;letter-spacing:.06em;background:#e1f0e3;border-radius:999px;grid-column:1/-1;align-items:center;gap:7px;width:max-content;padding:6px 10px;font-size:.74rem;font-weight:800;display:flex}.t10s-live-pill span{background:#4c986b;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #4c986b24}.t10s-active-review-copy{z-index:1}.t10s-active-review-copy>p:first-child{color:#ffffffb3;margin:0 0 8px;font-size:.83rem}.t10s-active-review h2{margin:0 0 10px;font-family:Georgia,serif;font-size:clamp(1.8rem,4vw,3rem);font-weight:500}.t10s-active-review-copy>p:last-child{color:#ffffffc4;max-width:650px;margin:0}.t10s-review-composition{z-index:1;align-self:center;align-items:center;gap:18px;display:flex}.t10s-review-composition span{color:#ffffffad;text-align:center;text-transform:uppercase;letter-spacing:.07em;flex-direction:column;font-size:.7rem;display:flex}.t10s-review-composition strong{color:#fff;font-family:Georgia,serif;font-size:2rem;font-weight:500;line-height:1}.t10s-review-cadence{z-index:1;color:#ffffffc7;grid-column:1/-1;max-width:700px;margin:0;font-size:.82rem}.t10s-active-review>.t10s-primary-button{z-index:1;width:max-content;color:var(--t10s-sage);box-shadow:none;background:#f8fbf7;grid-column:1/-1}.t10s-active-review .t10s-inline-error{z-index:1;grid-column:1/-1}.t10s-quiet-card,.t10s-empty-card{border:1px solid var(--t10s-line);background:#fffffcb3;border-radius:22px;align-items:center;gap:22px;padding:28px;display:flex}.t10s-quiet-icon{width:52px;height:52px;color:var(--t10s-sage);background:var(--t10s-sage-soft);border-radius:50%;flex:0 0 52px;place-items:center;font-size:2rem;display:grid}.t10s-quiet-card div:nth-child(2){flex:1}.t10s-quiet-card h2,.t10s-empty-card h2{margin:3px 0;font-family:Georgia,serif;font-size:1.45rem;font-weight:500}.t10s-quiet-card p,.t10s-empty-card p{color:var(--t10s-muted);margin:0}.t10s-latest-review{margin-top:16px}.t10s-stat-grid{grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0;display:grid}.t10s-stat-grid article{border:1px solid var(--t10s-line);background:#fffffcad;border-radius:19px;grid-template-columns:auto 1fr;align-items:center;gap:0 13px;padding:22px;display:grid}.t10s-stat-grid strong{align-self:end;font-family:Georgia,serif;font-size:1.9rem;font-weight:500;line-height:1}.t10s-stat-grid p{color:var(--t10s-muted);grid-column:2;margin:3px 0 0;font-size:.8rem}.t10s-stat-icon{border-radius:50%;grid-row:1/3;width:38px;height:38px}.t10s-stat-icon.is-sun{background:radial-gradient(circle, var(--t10s-gold) 0 25%, transparent 27%), repeating-conic-gradient(from 0deg, var(--t10s-gold) 0 7deg, transparent 7deg 42deg)}.t10s-stat-icon.is-leaf{background:var(--t10s-sage-soft);border-radius:80% 10%;transform:rotate(-12deg)}.t10s-stat-icon.is-ring{border:7px solid var(--t10s-coral-soft);box-shadow:inset 0 0 0 1px var(--t10s-coral)}.t10s-next-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.t10s-feature-card{color:var(--t10s-ink);border:1px solid var(--t10s-line);cursor:pointer;text-align:left;background:0 0;border-radius:21px;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;padding:24px;display:grid;min-height:140px!important}.t10s-feature-card:hover{background:#ffffff94;border-color:#bfc9c1;transform:translateY(-1px)}.t10s-feature-number{width:52px;height:52px;color:var(--t10s-sage);background:var(--t10s-sage-soft);border-radius:16px;place-items:center;font-family:Georgia,serif;font-size:1.3rem;display:grid}.t10s-feature-card h2{margin:0 0 5px;font-family:Georgia,serif;font-size:1.35rem;font-weight:500}.t10s-feature-card p{color:var(--t10s-muted);margin:0;font-size:.87rem}.t10s-feature-card>span:last-child{color:var(--t10s-sage);font-size:1.35rem}.t10s-section-heading{margin-bottom:34px}.t10s-section-heading h1{font-size:clamp(2.4rem,5vw,4rem)}.t10s-progress-summary{border:1px solid var(--t10s-line);background:#fffffcb3;border-radius:22px;grid-template-columns:repeat(3,1fr);margin-bottom:35px;display:grid;overflow:hidden}.t10s-progress-summary div{border-right:1px solid var(--t10s-line);align-items:baseline;gap:8px;padding:22px 25px;display:flex}.t10s-progress-summary div:last-child{border:0}.t10s-progress-summary strong{font-family:Georgia,serif;font-size:2rem;font-weight:500}.t10s-progress-summary span{color:var(--t10s-muted);font-size:.8rem}.t10s-mastery-unit{margin-top:36px}.t10s-unit-heading{align-items:center;gap:13px;margin-bottom:13px;display:flex}.t10s-unit-heading>span{width:38px;height:38px;color:var(--t10s-sage);background:var(--t10s-sage-soft);border-radius:11px;place-items:center;font-family:Georgia,serif;display:grid}.t10s-unit-heading h2{margin:0;font-family:Georgia,serif;font-size:1.45rem;font-weight:500}.t10s-mastery-list{grid-template-columns:repeat(2,1fr);gap:13px;display:grid}.t10s-mastery-row{border:1px solid var(--t10s-line);background:#fffffcb8;border-radius:18px;padding:21px}.t10s-mastery-main{justify-content:space-between;align-items:flex-start;gap:18px;display:flex}.t10s-mastery-main h3{margin:0 0 6px;font-size:.98rem}.t10s-mastery-main>strong{font-family:Georgia,serif;font-size:1.65rem;font-weight:500}.t10s-tier{border-radius:999px;padding:3px 8px;font-size:.68rem;font-weight:750;display:inline-block}.t10s-tier.is-secure{color:#245840;background:#dcebdc}.t10s-tier.is-developing{color:#7b5b1e;background:#f2e6c9}.t10s-tier.is-needs_support{color:#87452f;background:var(--t10s-coral-soft)}.t10s-tier.is-unassessed{color:#626862;background:#e8e7e1}.t10s-meter{appearance:none;background:#e7e5de;border:0;border-radius:999px;width:100%;height:7px;margin:16px 0 12px;display:block;overflow:hidden}.t10s-meter::-webkit-progress-bar{background:#e7e5de;border-radius:999px}.t10s-meter::-webkit-progress-value{background:linear-gradient(90deg, var(--t10s-moss), var(--t10s-sage));border-radius:999px}.t10s-meter::-moz-progress-bar{background:linear-gradient(90deg, var(--t10s-moss), var(--t10s-sage));border-radius:999px}.t10s-evidence{color:var(--t10s-muted);flex-wrap:wrap;gap:5px 12px;font-size:.69rem;display:flex}.t10s-practice-lock-note{color:#694e23;background:#f7edda;border:1px solid #e5cf9f;border-radius:14px;flex-direction:column;gap:3px;margin:-17px 0 28px;padding:14px 16px;font-size:.8rem;display:flex}.t10s-practice-lock-note span{color:#756748}.t10s-skill-practice-button{width:100%;min-height:42px;color:var(--t10s-sage);background:var(--t10s-sage-soft);cursor:pointer;border:1px solid #bfd0c3;border-radius:11px;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;padding:9px 12px;font-size:.78rem;font-weight:750;display:flex}.t10s-skill-practice-button:disabled{color:#77766f;cursor:not-allowed;background:#efeee9;border-color:#d9d7d0}.t10s-concept-tools{justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px;display:flex}.t10s-segmented{background:var(--t10s-paper-deep);border-radius:999px;padding:4px;display:flex}.t10s-segmented button{min-width:95px;color:var(--t10s-muted);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:8px 14px;font-weight:700}.t10s-segmented button.is-active{color:var(--t10s-ink);background:#fff;box-shadow:0 2px 7px #3c3c3414}.t10s-search{border:1px solid var(--t10s-line);background:#fffffcbf;border-radius:999px;align-items:center;gap:8px;width:min(330px,100%);min-height:48px;padding:0 13px;display:flex}.t10s-search span{color:var(--t10s-muted);font-size:1.2rem}.t10s-search input{background:0 0;border:0;outline:none;flex:1;min-width:0;padding:10px 0}.t10s-concept-intro{background:linear-gradient(135deg,#dce9dfbd,#fffffca6);border:1px solid #cad7cc;border-radius:22px;grid-template-columns:90px 1fr;gap:25px;margin-bottom:25px;padding:28px;display:grid}.t10s-concept-intro>span{color:var(--t10s-sage);font-family:Georgia,serif;font-size:3.5rem;line-height:1}.t10s-concept-intro h2{margin:0 0 8px;font-family:Georgia,serif;font-size:1.75rem;font-weight:500}.t10s-concept-intro p{color:var(--t10s-muted);margin:0}.t10s-concept-list{flex-direction:column;gap:10px;display:flex}.t10s-concept-card{border:1px solid var(--t10s-line);background:#fffffcb3;border-radius:18px;overflow:hidden}.t10s-concept-card summary{cursor:pointer;grid-template-columns:44px 1fr auto;align-items:center;gap:16px;min-height:84px;padding:17px 20px;list-style:none;display:grid}.t10s-concept-card summary::-webkit-details-marker{display:none}.t10s-concept-card summary>span{width:40px;height:40px;color:var(--t10s-sage);background:var(--t10s-sage-soft);border-radius:12px;place-items:center;font-family:Georgia,serif;display:grid}.t10s-concept-card h3{margin:0 0 3px;font-family:Georgia,serif;font-size:1.2rem;font-weight:500}.t10s-concept-card summary p{color:var(--t10s-muted);margin:0;font-size:.8rem}.t10s-concept-card summary i{width:32px;height:32px;color:var(--t10s-sage);background:var(--t10s-paper-deep);border-radius:50%;place-items:center;font-style:normal;transition:transform .16s;display:grid}.t10s-concept-card[open] summary i{transform:rotate(45deg)}.t10s-concept-body{padding:0 24px 26px 80px}.t10s-concept-summary{color:#3f4841;font-size:1rem}.t10s-vocabulary{flex-wrap:wrap;gap:7px;margin:18px 0;display:flex}.t10s-vocabulary span{color:var(--t10s-sage);background:var(--t10s-sage-soft);border-radius:999px;padding:5px 9px;font-size:.72rem;font-weight:700}.t10s-worked-example{background:#f0eee8;border-radius:15px;margin-top:20px;padding:20px}.t10s-worked-example pre{color:#eef5ef;background:var(--t10s-code);white-space:pre;border-radius:11px;margin:12px 0;padding:15px;font:.88rem/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;overflow-x:auto}.t10s-worked-example>p:last-of-type{color:var(--t10s-muted);margin:0}.t10s-python-runner{border-top:1px solid #d7d2c7;margin-top:20px;padding-top:20px}.t10s-python-editor{flex-direction:column;gap:7px;display:flex}.t10s-python-editor>span{color:var(--t10s-ink);font-size:.82rem;font-weight:800}.t10s-python-editor textarea{resize:vertical;color:#eef5ef;background:var(--t10s-code);tab-size:4;border:2px solid #0000;border-radius:11px;width:100%;min-height:180px;padding:15px;font:1rem/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.t10s-python-editor textarea:focus-visible{outline-offset:2px;border-color:#a9cfb4;outline:3px solid #315f4347}.t10s-python-editor textarea:disabled{opacity:.76;cursor:wait}.t10s-python-editor small{color:var(--t10s-muted);font-size:.72rem;line-height:1.45}.t10s-python-runner-controls{grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;margin-top:14px;display:grid}.t10s-python-runner-controls>div{flex-direction:column;gap:2px;min-width:0;display:flex}.t10s-python-runner-controls>div strong{font-size:.87rem}.t10s-python-runner-controls>div span{color:var(--t10s-muted);font-size:.72rem;line-height:1.4}.t10s-python-runner-controls button{min-height:44px}.t10s-python-runner-controls .t10s-text-button{padding:8px 10px}.t10s-python-status{min-height:1.4em;color:var(--t10s-muted);margin:10px 0 0;font-size:.76rem}.t10s-python-output{background:#fffffcb8;border:1px solid #d7d2c7;border-radius:12px;margin-top:12px;padding:16px}.t10s-python-output h4,.t10s-python-output h5{color:var(--t10s-ink);letter-spacing:.04em;text-transform:uppercase;margin:0;font-size:.78rem}.t10s-python-output h4 span{color:var(--t10s-sage);background:var(--t10s-sage-soft);white-space:nowrap;border-radius:999px;margin-left:7px;padding:3px 7px;font-size:.62rem}.t10s-python-output h5{color:#7b4535;margin-top:14px}.t10s-python-output>pre{color:#eef5ef;white-space:pre-wrap;overflow-wrap:anywhere;min-height:52px;margin:9px 0 0}.t10s-python-output>p{color:var(--t10s-muted);margin:9px 0 0}.t10s-python-error{color:#6c382b;background:var(--t10s-coral-soft);border-radius:9px;margin-top:12px;padding:12px}.t10s-python-error strong{font-size:.8rem}.t10s-python-error pre{max-height:230px;color:inherit;white-space:pre-wrap;overflow-wrap:anywhere;background:0 0;margin:7px 0 0;padding:0;font-size:.78rem}.t10s-misconception{background:var(--t10s-coral-soft);border-left:3px solid var(--t10s-coral);border-radius:4px 13px 13px 4px;margin-top:14px;padding:17px 18px}.t10s-misconception strong{color:#7d4534;text-transform:uppercase;letter-spacing:.07em;font-size:.78rem}.t10s-misconception p{color:#664a41;margin:4px 0 0}.t10s-practice-stats{background:var(--t10s-card);border:1px solid var(--t10s-line);border-radius:18px;grid-template-columns:minmax(190px,.8fr) minmax(420px,1.2fr);align-items:stretch;gap:24px;max-width:980px;margin:0 auto 28px;padding:20px 22px;display:grid;box-shadow:0 12px 35px #3938310d}.t10s-practice-stats>div{flex-direction:column;justify-content:center;display:flex}.t10s-practice-stats>div>p{margin:0 0 4px}.t10s-practice-stats>div>span{color:var(--t10s-muted);font-size:.76rem;line-height:1.4}.t10s-practice-stats dl{border:1px solid var(--t10s-line);border-radius:13px;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;display:grid;overflow:hidden}.t10s-practice-stats dl>div{border-left:1px solid var(--t10s-line);min-width:0;padding:12px 15px}.t10s-practice-stats dl>div:first-child{border-left:0}.t10s-practice-stats dt{color:var(--t10s-muted);letter-spacing:.045em;text-transform:uppercase;white-space:nowrap;font-size:.68rem;font-weight:800}.t10s-practice-stats dd{color:var(--t10s-ink);align-items:baseline;gap:6px;margin:4px 0 0;font-family:Georgia,serif;font-size:clamp(1.55rem,3vw,2.05rem);line-height:1;display:flex}.t10s-practice-stats dd small{color:var(--t10s-muted);font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:.62rem;font-weight:700}.t10s-practice-picker,.t10s-practice-question,.t10s-practice-result,.t10s-practice-summary{background:var(--t10s-card);border:1px solid var(--t10s-line);border-radius:24px;max-width:900px;margin:0 auto;padding:clamp(24px,5vw,42px);box-shadow:0 16px 45px #39383112}.t10s-practice-picker h2,.t10s-practice-question h2,.t10s-practice-result h2,.t10s-practice-summary h2{margin:0 0 21px;font-family:Georgia,serif;font-size:clamp(1.7rem,4vw,2.4rem);font-weight:500;line-height:1.16}.t10s-mode-grid{grid-template-columns:repeat(3,1fr);gap:11px;margin-bottom:22px;display:grid}.t10s-mode-grid button{min-height:112px;color:var(--t10s-ink);border:1px solid var(--t10s-line);cursor:pointer;text-align:left;background:0 0;border-radius:16px;grid-template-columns:auto 1fr;align-content:center;align-items:center;gap:3px 10px;padding:16px;display:grid}.t10s-mode-grid button.is-active{background:var(--t10s-sage-soft);border-color:#91ad99;box-shadow:inset 0 0 0 1px #91ad99}.t10s-mode-grid button>span{color:var(--t10s-sage);grid-row:1/span 2;font-size:1.35rem}.t10s-mode-grid small{color:var(--t10s-muted);font-size:.7rem;line-height:1.35}.t10s-select-label{flex-direction:column;gap:7px;margin:13px 0;font-size:.82rem;font-weight:750;display:flex}.t10s-select-label select{min-height:50px;color:var(--t10s-ink);background:#fff;border:1px solid #ccc8bd;border-radius:12px;padding:10px 13px}.t10s-practice-picker>.t10s-primary-button{margin-top:18px}.t10s-practice-progress{margin:-8px 0 27px}.t10s-practice-progress>div:first-child{color:var(--t10s-muted);justify-content:space-between;gap:20px;margin-bottom:9px;font-size:.73rem;display:flex}.t10s-practice-progress>div:first-child strong{color:var(--t10s-sage)}.t10s-practice-progress>div:last-child{grid-template-columns:repeat(10,1fr);gap:5px;display:grid}.t10s-practice-progress>div:last-child span{background:#dedbd2;border-radius:999px;height:5px}.t10s-practice-progress>div:last-child span.is-complete{background:var(--t10s-sage)}.t10s-practice-progress>div:last-child span.is-current{background:var(--t10s-gold);box-shadow:0 0 0 3px #d9a74121}.t10s-practice-checking{min-height:24px;color:var(--t10s-sage);margin:10px 0 0;font-size:.78rem;font-weight:750}.t10s-practice-result.is-correct{border-top:4px solid var(--t10s-sage)}.t10s-practice-result.is-missed{border-top:4px solid var(--t10s-coral)}.t10s-practice-result:focus{outline-offset:4px;outline:3px solid #315f43}.t10s-practice-result>p{color:var(--t10s-muted)}.t10s-practice-teaching{border:1px solid var(--t10s-line);background:#f4f2ec;border-radius:15px;margin:20px 0 26px;padding:20px}.t10s-practice-teaching>p{color:#4d4b44;margin:10px 0 0;line-height:1.65}.t10s-practice-teaching>.t10s-eyebrow{color:var(--t10s-sage);margin-top:0}.t10s-correct-answer{background:#fff;border-radius:10px;flex-wrap:wrap;align-items:baseline;gap:6px 12px;padding:12px 14px;display:flex}.t10s-correct-answer strong{color:#7b4535;letter-spacing:.05em;text-transform:uppercase;font-size:.7rem}.t10s-correct-answer span{color:var(--t10s-ink);font-weight:800}.t10s-practice-focus{border-top:1px solid #d8d4ca;padding-top:13px}.t10s-practice-watch{background:var(--t10s-coral-soft);border-radius:10px;padding:12px 14px;color:#664a41!important}.t10s-practice-summary{text-align:center}.t10s-practice-summary>p:not(.t10s-eyebrow){max-width:600px;color:var(--t10s-muted);margin:0 auto 28px;line-height:1.6}.t10s-practice-score{justify-content:center;align-items:baseline;gap:10px;margin:12px 0 8px;display:flex}.t10s-practice-score strong{color:var(--t10s-sage);font-family:Georgia,serif;font-size:clamp(4.5rem,12vw,7.5rem);font-weight:500;line-height:.95}.t10s-practice-score span{color:var(--t10s-muted);font-weight:750}.t10s-practice-summary .t10s-submit-row{justify-content:center}.t10s-panel-loader{min-height:260px;color:var(--t10s-muted);place-content:center;justify-items:center;gap:10px;display:grid}.t10s-empty-card{flex-direction:column;align-items:flex-start;max-width:780px}.t10s-global-error{color:#713a2b;background:var(--t10s-coral-soft);justify-content:space-between;align-items:center;gap:20px;padding:12px max(24px,50vw - 560px);display:flex}.t10s-global-error button{color:inherit;cursor:pointer;background:0 0;border:0;padding:7px;text-decoration:underline}.t10s-inline-error{color:#723c2d;background:var(--t10s-coral-soft);border:1px solid #e1bfae;border-radius:12px;flex-wrap:wrap;align-items:center;gap:5px 9px;padding:12px 14px;font-size:.82rem;display:flex}.t10s-root.is-review{background:radial-gradient(circle at 50% -100px, #cfdfd0cc, transparent 34rem), var(--t10s-paper);padding-bottom:40px}.t10s-review-brand{align-items:center;gap:10px;width:min(940px,100% - 40px);min-height:72px;margin:0 auto;padding:12px 0;display:flex}.t10s-review-brand>span:last-child{flex-direction:column;line-height:1.15;display:flex}.t10s-review-brand small{color:var(--t10s-muted);font-size:.71rem}.t10s-review-main{width:min(900px,100% - 40px);margin:0 auto;padding:20px 0 70px}.t10s-review-toolbar{justify-content:space-between;align-items:center;min-height:48px;margin-bottom:3px;display:flex}.t10s-save-state{color:var(--t10s-muted);font-size:.76rem}.t10s-save-state.is-saved{color:var(--t10s-sage)}.t10s-save-state.is-error{color:var(--t10s-coral);font-weight:700}.t10s-question-progress{margin-bottom:19px}.t10s-question-progress-labels{color:var(--t10s-muted);justify-content:space-between;margin-bottom:8px;font-size:.75rem;display:flex}.t10s-progress-dots{grid-template-columns:repeat(10,1fr);gap:5px;display:grid}.t10s-progress-dots span{background:#dedbd2;border-radius:999px;height:6px}.t10s-progress-dots span.is-complete{background:var(--t10s-sage)}.t10s-progress-dots span.is-current{background:var(--t10s-gold);box-shadow:0 0 0 3px #d9a74126}.t10s-progress-dots span.is-open{border-radius:2px}.t10s-question-card{border:1px solid var(--t10s-line);background:#fffffceb;border-radius:28px;padding:clamp(25px,6vw,56px);box-shadow:0 24px 70px #3938311a}.t10s-question-meta{justify-content:space-between;align-items:center;gap:14px;display:flex}.t10s-format-badge,.t10s-unscored-badge{color:var(--t10s-muted);text-transform:uppercase;letter-spacing:.06em;background:#eeece6;border-radius:999px;padding:5px 9px;font-size:.68rem;font-weight:800}.t10s-unscored-badge{color:#784735;background:var(--t10s-coral-soft)}.t10s-open-title{color:var(--t10s-sage);margin:28px 0 -13px;font-size:.9rem}.t10s-question-prompt{letter-spacing:-.025em;margin:22px 0 26px;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.65rem,4.2vw,2.75rem);font-weight:500;line-height:1.18}.t10s-code{color:#edf4ee;background:var(--t10s-code);white-space:pre;tab-size:4;border-radius:14px;margin:-5px 0 28px;padding:19px 21px;font:.94rem/1.65 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-x:auto}.t10s-rubric{flex-direction:column;gap:9px;margin:-8px 0 24px;display:flex}.t10s-rubric>span{color:var(--t10s-muted);text-transform:uppercase;letter-spacing:.06em;font-size:.74rem;font-weight:750}.t10s-rubric>div{gap:7px;display:grid}.t10s-rubric>div>div{color:#3f5648;background:var(--t10s-sage-soft);border-radius:11px;grid-template-columns:minmax(110px,.35fr) 1fr;gap:10px;padding:9px 11px;font-size:.78rem;display:grid}.t10s-rubric>div strong{color:var(--t10s-sage)}.t10s-answer-choices{border:0;gap:10px;margin:0;padding:0;display:grid}.t10s-choice{cursor:pointer;background:#fbfaf7;border:1px solid #d8d4ca;border-radius:14px;grid-template-columns:35px 1fr;align-items:center;gap:13px;min-height:60px;padding:11px 15px;transition:background .12s,border .12s,transform .12s;display:grid}.t10s-choice:hover{border-color:#9bb2a2;transform:translateY(-1px)}.t10s-choice:has(input:focus-visible){outline-offset:3px;outline:3px solid #315f43}.t10s-choice.is-selected{background:var(--t10s-sage-soft);border-color:#6f9a80;box-shadow:inset 0 0 0 1px #6f9a80}.t10s-choice input{opacity:0;pointer-events:none;position:absolute}.t10s-choice-key{width:32px;height:32px;color:var(--t10s-muted);background:#eeeae1;border-radius:9px;place-items:center;font-size:.76rem;font-weight:800;display:grid}.t10s-choice>span:last-child{font-size:1.125rem;line-height:1.4}.t10s-choice.is-selected .t10s-choice-key{color:#fff;background:var(--t10s-sage)}.t10s-written-answer{color:var(--t10s-ink);flex-direction:column;gap:7px;font-size:.82rem;font-weight:750;display:flex}.t10s-written-answer textarea{resize:vertical;width:100%;min-height:124px;color:var(--t10s-ink);background:#fbfaf7;border:1px solid #d4d0c6;border-radius:14px;padding:16px 17px;font-size:1rem;font-weight:450;line-height:1.6}.t10s-written-answer textarea[rows="10"]{min-height:260px}.t10s-input-hint{color:var(--t10s-muted);align-self:flex-end;font-size:.7rem;font-weight:500}.t10s-submit-row{justify-content:space-between;align-items:center;gap:24px;margin-top:25px;display:flex}.t10s-submit-row>p{max-width:420px;color:var(--t10s-muted);margin:0;font-size:.73rem}.t10s-submit-row .t10s-primary-button{flex:none}.t10s-review-feedback,.t10s-common-reveal,.t10s-complete{max-width:820px}.t10s-transition-view:focus{outline:0}.t10s-result-hero{border:1px solid var(--t10s-line);border-top:5px solid var(--t10s-sage);background:#fffffcd1;border-radius:24px;margin-top:30px;padding:clamp(28px,6vw,55px)}.t10s-result-hero.is-missed{border-top-color:var(--t10s-coral)}.t10s-result-icon{width:52px;height:52px;color:var(--t10s-sage);background:var(--t10s-sage-soft);border-radius:50%;place-items:center;margin-bottom:20px;font-size:1.5rem;display:grid}.is-missed .t10s-result-icon,.t10s-practice-result.is-missed .t10s-result-icon{color:var(--t10s-coral);background:var(--t10s-coral-soft)}.t10s-result-hero h1,.t10s-common-summary h1,.t10s-complete h1{letter-spacing:-.035em;margin:8px 0 14px;font-family:Georgia,serif;font-size:clamp(2rem,5vw,3.5rem);font-weight:500;line-height:1.05}.t10s-result-hero>p:last-child{color:var(--t10s-muted);font-size:1.02rem}.t10s-your-answer{color:var(--t10s-ink)!important}.t10s-correct-answer{color:#6b3d30!important}.t10s-review-feedback>.t10s-primary-button,.t10s-common-reveal>.t10s-primary-button{float:right;margin-top:22px}.t10s-common-summary{grid-template-columns:140px 1fr;align-items:center;gap:30px;margin:28px 0;display:grid}.t10s-score-orbit{width:130px;height:130px;color:var(--t10s-sage);text-align:center;background:#fffffcb3;border:1px solid #c7d3c9;border-radius:50%;place-content:center;display:grid;box-shadow:inset 0 0 0 10px #dce9df8c}.t10s-score-orbit strong{font-family:Georgia,serif;font-size:3rem;font-weight:500;line-height:.9}.t10s-score-orbit span{color:var(--t10s-muted);font-size:.8rem}.t10s-common-summary p:last-child{color:var(--t10s-muted);margin:0}.t10s-reveal-list{flex-direction:column;gap:9px;display:flex}.t10s-reveal-item{border:1px solid var(--t10s-line);border-left:4px solid var(--t10s-sage);background:#fffffcb8;border-radius:12px;padding:18px 20px}.t10s-reveal-item.is-missed{border-left-color:var(--t10s-coral)}.t10s-reveal-heading{align-items:center;gap:8px;display:flex}.t10s-reveal-heading span{color:var(--t10s-sage);font-weight:900}.t10s-reveal-item.is-missed .t10s-reveal-heading span{color:var(--t10s-coral)}.t10s-reveal-heading h2{text-transform:uppercase;letter-spacing:.06em;margin:0;font-size:.8rem}.t10s-reveal-item>p{margin:8px 0 0}.t10s-review-code{margin:12px 0 10px;padding:13px 15px;font-size:.84rem}.t10s-explanation{color:var(--t10s-muted);font-size:.88rem}.t10s-complete{text-align:center;padding-top:65px}.t10s-complete-mark{color:#fff;background:var(--t10s-sage);width:72px;height:72px;box-shadow:0 0 0 12px var(--t10s-sage-soft);border-radius:50%;place-items:center;margin:0 auto 20px;font-size:2rem;display:grid}.t10s-lead{max-width:620px;color:var(--t10s-muted);margin:0 auto;font-size:1.03rem}.t10s-complete-stats{border:1px solid var(--t10s-line);background:#fffffcb8;border-radius:18px;grid-template-columns:repeat(3,1fr);margin:34px 0 24px;display:grid;overflow:hidden}.t10s-complete-stats div{border-right:1px solid var(--t10s-line);flex-direction:column;justify-content:center;min-height:110px;display:flex}.t10s-complete-stats div:last-child{border:0}.t10s-complete-stats strong{font-family:Georgia,serif;font-size:2rem;font-weight:500}.t10s-complete-stats span{color:var(--t10s-muted);font-size:.72rem}.t10s-review-details{text-align:left;margin:18px 0}.t10s-review-details>summary{min-height:48px;color:var(--t10s-sage);cursor:pointer;padding:12px 0;font-weight:750}.t10s-open-response{border:1px solid var(--t10s-line);text-align:left;background:#fffffcc2;border-radius:20px;margin:22px 0;padding:clamp(22px,5vw,34px)}.t10s-open-response h2{margin:7px 0 8px;font-family:Georgia,serif;font-size:1.5rem;font-weight:500}.t10s-open-response-prompt{color:var(--t10s-muted)}.t10s-open-response blockquote{white-space:pre-wrap;background:var(--t10s-paper-deep);border-left:3px solid var(--t10s-gold);border-radius:4px 12px 12px 4px;margin:18px 0 0;padding:16px 18px}.t10s-coaching{text-align:left;background:linear-gradient(140deg,#dce9dfd9,#fffffccc);border:1px solid #bfd0c3;border-radius:22px;margin:22px 0;padding:clamp(24px,5vw,38px)}.t10s-coaching.is-pending{text-align:center}.t10s-coaching-label{color:var(--t10s-sage);letter-spacing:.07em;text-transform:uppercase;font-size:.7rem;font-weight:800}.t10s-coaching h2{margin:7px 0 12px;font-family:Georgia,serif;font-size:1.65rem;font-weight:500}.t10s-coaching p{color:#4f5d54}.t10s-coaching-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0;display:grid}.t10s-coaching-grid>div{background:#ffffff80;border-radius:13px;padding:15px}.t10s-coaching-grid p{margin:5px 0 0}.t10s-coaching blockquote{color:var(--t10s-sage);border-left:3px solid var(--t10s-sage);background:#ffffff94;border-radius:4px 12px 12px 4px;margin:18px 0 0;padding:15px 18px;font-family:Georgia,serif;font-size:1.08rem}@media (width<=920px){.t10s-login-main{grid-template-columns:1fr 390px;gap:42px}.t10s-header{grid-template-columns:1fr auto}.t10s-desktop-nav{display:none}.t10s-active-review{grid-template-columns:1fr}.t10s-review-composition{justify-self:start}.t10s-mastery-list{grid-template-columns:1fr}}@media (width<=720px){.t10s-root{font-size:16px}.t10s-login-brand{width:min(100% - 32px,560px);padding-top:18px}.t10s-login-main{grid-template-columns:1fr;align-items:start;gap:32px;width:min(100% - 32px,560px);padding:38px 0 55px}.t10s-login-copy h1{font-size:clamp(2.7rem,13vw,4.4rem)}.t10s-login-copy>p:last-of-type{font-size:1rem}.t10s-login-sequence{justify-content:space-between;gap:7px}.t10s-login-sequence i{flex:1;width:auto}.t10s-login-card{border-radius:22px}.t10s-login-ambient span:nth-child(3){display:none}.t10s-header{min-height:67px;padding:9px 16px}.t10s-brand-button small,.t10s-student-menu div{display:none}.t10s-student-menu{gap:3px}.t10s-student-menu button{min-width:54px}.t10s-page{width:min(100% - 30px,620px);padding:34px 0 108px}.t10s-welcome{grid-template-columns:1fr;gap:22px}.t10s-welcome-art{display:none}.t10s-welcome h1,.t10s-section-heading h1{font-size:clamp(2.35rem,12vw,3.7rem)}.t10s-active-review{border-radius:22px;padding:26px 22px}.t10s-review-composition{justify-content:space-between;width:100%}.t10s-active-review>.t10s-primary-button{width:100%}.t10s-quiet-card{flex-wrap:wrap}.t10s-quiet-card .t10s-secondary-button{width:100%}.t10s-stat-grid{grid-template-columns:1fr;gap:9px}.t10s-stat-grid article{padding:16px 19px}.t10s-next-grid{grid-template-columns:1fr}.t10s-feature-card{padding:20px;min-height:125px!important}.t10s-mobile-nav{z-index:30;right:10px;bottom:max(10px, env(safe-area-inset-bottom));border:1px solid var(--t10s-line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fefdf9f0;border-radius:17px;grid-template-columns:repeat(4,1fr);padding:5px;display:grid;position:fixed;left:10px;box-shadow:0 12px 35px #302f292b}.t10s-mobile-nav button{min-width:0;min-height:52px;color:var(--t10s-muted);background:0 0;border:0;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:1px;padding:4px;font-size:.64rem;font-weight:700;display:flex}.t10s-mobile-nav button span{font-size:1.12rem;line-height:1}.t10s-mobile-nav button.is-active{color:var(--t10s-sage);background:var(--t10s-sage-soft)}.t10s-progress-summary{grid-template-columns:1fr}.t10s-progress-summary div{border-right:0;border-bottom:1px solid var(--t10s-line)}.t10s-concept-tools{flex-direction:column;align-items:stretch}.t10s-segmented,.t10s-search{width:100%}.t10s-segmented button{flex:1}.t10s-concept-intro{grid-template-columns:55px 1fr;gap:15px;padding:21px}.t10s-concept-intro>span{font-size:2.5rem}.t10s-concept-card summary{grid-template-columns:37px 1fr auto;gap:11px;padding:14px}.t10s-concept-card summary>span{width:35px;height:35px}.t10s-concept-card summary p{display:none}.t10s-concept-body{padding:0 16px 19px}.t10s-python-editor textarea{min-height:210px;font-size:.9rem}.t10s-python-runner-controls{grid-template-columns:1fr 1fr}.t10s-python-runner-controls>div{grid-column:1/-1}.t10s-python-runner-controls .t10s-primary-button,.t10s-python-runner-controls .t10s-text-button{width:100%}.t10s-practice-stats{grid-template-columns:1fr;gap:13px;margin-bottom:20px;padding:16px}.t10s-practice-stats>div>span{display:none}.t10s-practice-stats dl>div{text-align:center;padding:10px 8px}.t10s-practice-stats dt{white-space:normal;min-height:2.4em;font-size:.59rem}.t10s-practice-stats dd{margin-top:3px;font-size:1.55rem;display:block}.t10s-practice-stats dd small{margin-top:4px;display:block}.t10s-practice-picker,.t10s-practice-question,.t10s-practice-result,.t10s-practice-summary{border-radius:20px;padding:23px 18px}.t10s-mode-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.t10s-mode-grid button{text-align:center;justify-content:center;align-items:center;gap:4px;min-height:100px;padding:10px 7px;display:flex}.t10s-mode-grid button>span{grid-row:auto}.t10s-mode-grid small{display:none}.t10s-practice-progress{margin-top:-3px}.t10s-practice-teaching{padding:16px}.t10s-practice-score{flex-direction:column;align-items:center;gap:4px}.t10s-review-brand{min-height:62px}.t10s-review-main{width:min(100% - 24px,620px);padding-top:5px}.t10s-question-card{border-radius:21px;padding:24px 18px}.t10s-question-prompt{font-size:clamp(1.6rem,8vw,2.15rem)}.t10s-rubric>div>div{grid-template-columns:1fr;gap:3px}.t10s-choice{min-height:64px}.t10s-submit-row{flex-direction:column;align-items:stretch}.t10s-submit-row .t10s-primary-button,.t10s-submit-row .t10s-secondary-button{width:100%}.t10s-submit-row>p{text-align:center;order:2}.t10s-common-summary{text-align:center;grid-template-columns:1fr;justify-items:center}.t10s-score-orbit{width:112px;height:112px}.t10s-review-feedback>.t10s-primary-button,.t10s-common-reveal>.t10s-primary-button{float:none;width:100%}.t10s-complete{padding-top:40px}.t10s-complete-stats{grid-template-columns:1fr}.t10s-complete-stats div{border-right:0;border-bottom:1px solid var(--t10s-line);min-height:80px}.t10s-coaching-grid{grid-template-columns:1fr}}@media (width<=420px){.t10s-login-sequence{font-size:.7rem}.t10s-login-sequence b{font-size:1.4rem}.t10s-brand-button>span:last-child{display:none}.t10s-student-menu>span{width:35px;height:35px}.t10s-progress-dots{gap:3px}.t10s-question-progress-labels{font-size:.69rem}.t10s-question-card{padding:22px 15px}.t10s-choice{grid-template-columns:32px 1fr;padding:10px 11px}.t10s-choice>span:last-child{font-size:1.05rem}}@media (prefers-reduced-motion:reduce){.t10s-root *,.t10s-root :before,.t10s-root :after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}:root{color:#19343b;--ink:#19343b;--green:#247756;--line:#d7dfd9;--muted:#5d7072;background:#f0f3ef;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px}body{background:#f0f3ef;margin:0}.edu{min-height:100vh;color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.65}.edu h1,.edu h2,.edu h3,.edu button,.edu input,.edu textarea,.edu select{font-family:inherit}.edu h1{letter-spacing:-.055em;margin:.35em 0 .5em;font-size:clamp(1.9rem,3.1vw,2.8rem);font-weight:780;line-height:1.13}.edu h2{letter-spacing:-.025em;margin:.3em 0 .8em;font-size:1.4rem;font-weight:750;line-height:1.3}.edu h3{margin:1em 0 .4em;font-size:1.03rem;line-height:1.5}.edu p{margin:.65em 0 1.15em}.edu a{color:var(--green);text-decoration:none}.edu a:hover{text-underline-offset:4px;text-decoration:underline}.edu button,.edu .button{min-height:40px;color:var(--ink);cursor:pointer;background:#fff;border:1px solid #b9c9c0;border-radius:5px;justify-content:center;align-items:center;gap:8px;padding:8px 15px;font-size:.87rem;font-weight:650;line-height:1.4;text-decoration:none;display:inline-flex}.edu button:hover,.edu .button:hover{background:#f0f7f2;border-color:#247756}.edu button:disabled{opacity:.5;cursor:not-allowed}.edu .primary{background:var(--green);border-color:var(--green);color:#fff}.edu .primary:hover{background:#195e42}.edu input:not([type=radio]):not([type=checkbox]),.edu textarea,.edu select{color:var(--ink);background:#fff;border:1px solid #b9c9c0;border-radius:5px;width:100%;max-width:100%;padding:11px 13px;font-size:1rem;line-height:1.5}.edu textarea{resize:vertical}.edu label{font-size:.88rem;font-weight:650;display:block}.edu label input,.edu label select,.edu label textarea{margin-top:7px;display:block}.edu input[type=checkbox],.edu input[type=radio]{accent-color:var(--green)}.edu button:focus-visible,.edu a:focus-visible,.edu input:focus-visible,.edu select:focus-visible,.edu textarea:focus-visible,.edu summary:focus-visible{outline-offset:3px;outline:3px solid #72b299}.site-header{color:#fff;background:#122e36;align-items:center;gap:30px;min-height:80px;padding:20px 32px;display:flex}.edu .brand{color:#fff;white-space:nowrap;letter-spacing:.14em;align-items:center;gap:12px;font-size:1.2rem;display:flex}.brand span{color:#a9e2c5}.brand b{font-size:.94rem}.site-header nav{flex:1;justify-content:flex-end;align-items:center;gap:24px;display:flex}.edu .site-header nav a{color:#d7e4e0;white-space:nowrap;font-size:.85rem}.edu .site-header nav a[aria-current=page]{color:#b8efd0;border-bottom:2px solid #a9e2c5;padding-bottom:5px}.site-header .account button{color:#fff;white-space:nowrap;background:0 0;border-color:#5c7477}.identity-strip{border-bottom:1px solid var(--line);color:var(--muted);background:#e9eee8;justify-content:space-between;align-items:center;gap:20px;min-height:43px;padding:8px 32px;font-size:.8rem;display:flex}.identity-strip strong{color:var(--ink);letter-spacing:.01em;font-size:1.12rem}.shell{grid-template-columns:232px minmax(0,1fr);max-width:1560px;min-height:calc(100vh - 180px);margin:0 auto;display:grid}.rail{border-right:1px solid var(--line);background:#eaf0e9;padding:28px 16px 24px 22px}.rail-home{font-size:.9rem;font-weight:750}.rail-label,.eyebrow{letter-spacing:.15em;text-transform:uppercase;font-size:.68rem!important;font-weight:800!important}.rail-label{color:#6c7c77;margin-top:32px!important}.rail-unit{margin:12px 0}.edu .rail-unit>button{text-align:left;background:0 0;border:0;justify-content:flex-start;gap:10px;width:100%;padding:9px 6px;font-size:.85rem;line-height:1.4;display:flex}.edu .rail-unit>button.selected{color:#185339;background:#dce9df}.unit-number{color:#7c9585;letter-spacing:.04em;font-size:.76rem;font-weight:750}.rail-lessons{padding:3px 0 5px 7px}.rail-lessons a{color:#506760;border-left:2px solid #0000;gap:9px;padding:10px 5px;font-size:.78rem;line-height:1.45;display:flex}.rail-lessons a.current{color:#185339;background:#e0e9df;border-left-color:#247756}.rail-lessons small{color:#7c8e83}.rail-footer{color:#6f8276;border-top:1px solid #cdd9ce;gap:8px;margin-top:34px;padding:22px 3px;font-size:.75rem;display:grid}.workspace{min-width:0;padding:37px clamp(20px,3.5vw,54px) 60px}.page-heading{max-width:850px;margin-bottom:28px}.page-heading>p:last-child,.lesson-heading>p:last-child{color:var(--muted);font-size:1.02rem}.eyebrow{color:#a06234}.mission-grid{grid-template-columns:.9fr 1.3fr;gap:20px;margin-bottom:42px;display:grid}.opener-card,.continue-card{border:1px solid var(--line);border-radius:7px;padding:27px 28px;position:relative;overflow:hidden}.opener-card{color:#fff;background:#173c40}.opener-card .eyebrow{color:#a9e2c5}.opener-card h2{margin-top:18px;font-size:1.75rem}.opener-card p{color:#c4d9d2;max-width:220px;font-size:.9rem}.opener-card button{color:#12382f;background:#a9e2c5;border-color:#a9e2c5}.card-top{justify-content:space-between;align-items:center;display:flex}.big-number{color:#9dd6b6;letter-spacing:-.08em;font-size:3.6rem;font-weight:850;line-height:.9}.continue-card{background:#fff}.continue-card h2{max-width:400px;margin:24px 0 12px;font-size:1.7rem}.continue-card p{color:var(--muted);max-width:370px}.quiet-progress{color:var(--muted);align-items:center;gap:7px;margin:16px 0 0 13px;font-size:.77rem;display:inline-flex}.section-heading{justify-content:space-between;align-items:center;gap:15px;margin:24px 0 15px;display:flex}.section-heading h2{margin:0}.section-heading>span{color:var(--muted);font-size:.8rem}.unit-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;display:grid}.unit-card{border:1px solid var(--line);background:#fff;border-radius:6px;flex-direction:column;padding:23px 25px;transition:transform .15s,border-color .15s;display:flex;color:var(--ink)!important}.unit-card:hover{border-color:#8aae94;transform:translateY(-2px);text-decoration:none!important}.unit-card>div:first-child{justify-content:space-between;align-items:center;gap:10px;display:flex}.tag{color:#6d8075;font-size:.65rem}.unit-card h2{margin:23px 0 12px;font-size:1.3rem}.unit-card p{color:var(--muted);flex:1;margin-bottom:25px;font-size:.88rem}.card-bottom{color:#477458;border-top:1px solid #e6eae3;justify-content:space-between;align-items:center;padding-top:14px;font-size:.75rem;display:flex}.guide-callout{border-top:1px solid var(--line);align-items:center;gap:23px;margin-top:34px;padding:26px 0;display:flex}.guide-callout h2{margin:0;font-size:1.1rem}.guide-callout p{color:var(--muted);max-width:470px;margin:6px 0 0;font-size:.83rem}.guide-callout button{white-space:nowrap;margin-left:auto}.guide-symbol{color:#5c8e70;font-size:2.3rem}.lesson-heading{margin-bottom:24px}.lesson-heading h1{font-size:2.25rem}.stage-tabs{border:1px solid var(--line);background:#e9eee7;border-bottom:0;border-radius:6px 6px 0 0;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:28px;display:grid}.stage-tabs a{min-width:0;color:var(--muted);border-bottom:3px solid #0000;flex-direction:column;justify-content:center;align-items:center;min-height:85px;padding:17px 5px 13px;display:flex}.stage-tabs a>div{align-items:center;gap:8px;display:flex}.stage-tabs a.active{border-color:var(--green);color:var(--green);background:#fff}.stage-tabs a:hover{background:#f7f9f5;text-decoration:none}.stage-tabs strong{font-size:.91rem}.stage-tabs small{letter-spacing:.09em;color:#789184;text-transform:uppercase;margin-top:5px;font-size:.64rem}.circle{vertical-align:middle;background:0 0;border:1.6px solid #acbdb1;border-radius:50%;justify-content:center;align-items:center;width:19px;min-width:19px;height:19px;font-size:12px;font-weight:850;line-height:1;display:inline-flex}.circle.done{color:#fff;background:#278258;border-color:#278258}.circle.partial{background:linear-gradient(90deg,#83b296 50%,#0000 50%);border-color:#6c9b7e}.three-checks{white-space:nowrap;gap:5px;display:inline-flex}.three-checks>span{color:#9aac9e;border:1.5px solid #aabdac;border-radius:50%;justify-content:center;align-items:center;width:23px;height:23px;font-size:13px;font-weight:800;line-height:1;display:inline-flex}.three-checks>span.lit{color:#fff;background:#278258;border-color:#278258}.paper{border:1px solid var(--line);background:#fff;border-radius:6px;min-width:0;padding:28px 32px}.lesson-paper{border-radius:0 0 6px 6px;padding:35px clamp(22px,4vw,54px)}.lesson-paper>h2{margin-top:25px}.lesson-paper>h2:first-of-type{color:#99592d}.lesson-paper>p,.lesson-paper>ol,.lesson-paper>ul{max-width:850px}.lesson-paper p,.lesson-paper li{font-size:.97rem;line-height:1.85}.edu ol,.edu ul{padding-left:24px}.edu li{margin-bottom:10px}.lead{font-size:1.12rem!important;line-height:1.65!important}.steps li{padding-left:8px}.steps li::marker{color:var(--green);font-weight:800}.code-toolbar{justify-content:space-between;align-items:center;gap:16px;margin-top:30px;display:flex}.code-toolbar h2{margin:0;font-size:1.2rem}.segmented{border:1px solid #c4d2c5;border-radius:5px;flex-shrink:0;display:inline-flex;overflow:hidden}.segmented button{background:#f4f7f1;border:0;border-radius:0;min-height:34px;padding:7px 13px;font-size:.77rem}.segmented button[aria-pressed=true]{color:#fff;background:#235d43}.program{background:#f8faf6;border:1px solid #e0e7db;border-radius:5px;margin:22px 0 30px;padding:20px}.program h3{margin-top:0}.blocks-image{background:#fff;border-radius:4px;width:auto;max-width:100%;max-height:700px;margin:17px auto;display:block}.python-image{max-width:100%;height:auto}.edu pre{color:#e5f4eb;white-space:pre;tab-size:4;background:#142f37;border-radius:5px;max-width:100%;padding:20px;font-size:.84rem;line-height:1.6;overflow:auto}.edu code{font-family:SFMono-Regular,Consolas,monospace}.program li{font-size:.81rem!important;line-height:1.6!important}.downloads{flex-wrap:wrap;gap:18px;padding-top:8px;font-size:.79rem;display:flex}.edu details summary{cursor:pointer;font-size:.86rem;font-weight:650;line-height:1.5}.edu details{margin:16px 0}.example{margin:24px 0}.form-actions{flex-wrap:wrap;align-items:center;gap:16px;margin:20px 0;display:flex}.form-actions a{font-size:.85rem}.error{color:#863d28;background:#fff1eb;border:1px solid #d7a699;border-radius:5px;padding:13px 17px;font-size:.9rem;margin:16px 0!important}.saved{color:#247756;font-size:.85rem}.soft-note{background:#edf4e8;border:1px solid #d5e3d0;border-radius:5px;margin:24px 0;padding:22px}.soft-note p{margin:0 0 15px}.small{font-size:.78rem!important}.muted{color:var(--muted)}.check-title{justify-content:space-between;align-items:center;margin-top:10px;display:flex}.check-title h2{margin:0;font-size:2rem}.check-title .three-checks>span{width:36px;height:36px;font-size:20px}.question-card{border-top:1px solid #e3e7df;margin-top:30px;padding-top:18px}.question-card h3{margin:10px 0 20px;font-size:1.22rem}.choices{border:0;gap:10px;padding:0;display:grid}.choices label{cursor:pointer;background:#fff;border:1px solid #d8e0d5;border-radius:5px;align-items:center;gap:13px;padding:15px 17px;font-size:.98rem;font-weight:500;display:flex}.choices label.chosen{background:#edf5e8;border-color:#56865b}.choices input{width:17px;height:17px;margin:0!important}.check-passed{text-align:center;padding:30px 0}.success-orbit{color:#247756;background:#dff0d5;border-radius:50%;justify-content:center;align-items:center;width:66px;height:66px;margin-bottom:16px;font-size:34px;display:inline-flex}.check-passed button{margin:12px}.check-feedback{background:#eff7e9;border:1px solid #d5e1ce;border-radius:6px;margin:22px 0;padding:25px}.check-feedback.missed{background:#fff4e8;border-color:#ecd4b7}.upload-area{background:#f5f8f1;border:1px dashed #aabdac;border-radius:6px;justify-content:space-between;align-items:center;gap:20px;margin-top:22px;padding:22px;display:flex}.upload-area h3{margin:0}.upload-area p{margin:4px 0;font-size:.8rem!important}.upload-button{white-space:nowrap;position:relative;overflow:hidden}.upload-button input{opacity:0;cursor:pointer;position:absolute;inset:0}.file-row{border-bottom:1px solid var(--line);align-items:center;gap:15px;padding:12px 0;font-size:.83rem;display:flex}.file-row a{overflow-wrap:anywhere;flex:1}.file-row button{min-height:28px;padding:3px 10px}.submission{border:1px solid #dce4d8;border-radius:5px;padding:20px}.submission summary{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.submission time{color:var(--muted);margin-left:auto;font-size:.75rem;font-weight:450}.submitted-writing{white-space:pre-wrap;overflow-wrap:anywhere;margin:20px 0;line-height:1.8}.file-link{overflow-wrap:anywhere;margin:8px 0;font-size:.9rem;display:block}.submission blockquote{background:#f2f7ed;border-left:3px solid #a9d6ae;margin:25px 0 0;padding:15px 20px;font-size:.9rem}.submission blockquote p{margin:.5em 0}.extension{border-top:1px solid #d9e3d3;padding-top:24px;margin-top:35px!important}.extension summary{color:#9b6335;font-weight:700!important}.search-bar{gap:14px;display:flex}.search-label{flex:1}.guide-list{gap:12px;display:grid}.guide-list .paper{padding:0;overflow:hidden}.edu .guide-title{text-align:left;background:#fff;border:0;justify-content:space-between;align-items:center;width:100%;padding:22px 26px;display:flex}.guide-title h2{margin:9px 0 6px;font-size:1.15rem}.guide-title p{color:var(--muted);margin:0;font-size:.86rem;font-weight:400}.guide-title>span{font-size:1.4rem}.guide-content{padding:0 28px 27px}.work-card{margin-bottom:22px}.lesson-list{gap:12px;display:grid}.lesson-list>a{border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:5px;align-items:center;gap:22px;padding:22px;display:flex}.lesson-list>a:hover{border-color:#87af8f;text-decoration:none}.lesson-list h2{margin:0;font-size:1.16rem}.lesson-list p{color:var(--muted);margin:6px 0 0;font-size:.85rem}.lesson-list .lesson-number{letter-spacing:-.04em;color:#90ab91;font-size:1.3rem}.lesson-list>a>div{flex:1}.site-footer{border-top:1px solid var(--line);color:#73867a;justify-content:space-between;gap:15px;padding:18px 32px;font-size:.72rem;display:flex}.modal-backdrop{z-index:100;background:#0b232fc9;justify-content:center;align-items:center;padding:25px;display:flex;position:fixed;inset:0;overflow:auto}.login-modal{background:#f8faf5;border-radius:9px;width:100%;max-width:470px;max-height:95vh;padding:35px 40px;position:relative;overflow:auto;box-shadow:0 20px 80px #001c2850}.login-modal h1{margin-bottom:24px;font-size:2rem}.login-modal .segmented{margin-bottom:18px}.login-modal label{margin-bottom:17px}.login-modal .wide{width:100%;margin-top:10px}.login-modal .close{background:0 0;border:0;min-height:26px;padding:2px 9px;font-size:1.4rem;position:absolute;top:13px;right:13px}.loading{text-align:center;color:var(--muted);padding:40px}.bootstrap,.sign-in-prompt{max-width:900px;margin:auto;padding:50px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.review-card{align-items:center;gap:30px;display:flex}.review-ten{letter-spacing:-.08em;color:#2e7555;font-size:5rem;font-weight:850;line-height:1}.topten-wrap .t10s-review-main{border:1px solid var(--line);background:#fff;border-radius:6px;max-width:100%;margin:0;padding:30px}.topten-wrap h1,.topten-wrap h2,.topten-wrap h3{font-family:inherit!important}.topten-wrap .t10s-primary-button{color:#fff;background:#247756;border-color:#247756}.teacher-workspace{max-width:1390px;margin:auto;padding:36px 38px 65px}.teacher-heading{justify-content:space-between;align-items:center;gap:25px;margin-bottom:24px;display:flex}.teacher-heading h1{font-size:2.6rem}.teacher-heading p:last-child{color:var(--muted);margin:10px 0;font-size:.91rem}.class-picker{color:#576f63;min-width:240px}.teacher-toolbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:14px;margin-bottom:24px;padding:17px 0;display:flex}.teacher-toolbar>div{flex-wrap:wrap;gap:9px;display:flex}.teacher-toolbar button,.teacher-toolbar .button{min-height:35px;padding:7px 12px;font-size:.76rem}.teacher-stats{grid-template-columns:repeat(3,1fr);gap:18px;margin:27px 0 32px;display:grid}.teacher-stats>div{border:1px solid var(--line);background:#fff;border-radius:5px;flex-direction:column;padding:20px 23px;display:flex}.teacher-stats span{color:var(--muted);font-size:.8rem}.teacher-stats strong{color:#2f6f50;letter-spacing:-.05em;font-size:2.1rem;line-height:1.4}.roster-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:16px;display:flex}.roster-heading input{max-width:260px!important;padding:8px 12px!important;font-size:.88rem!important}.roster-heading h2{margin:0}.table-wrap{border:1px solid var(--line);background:#fff;border-radius:6px;overflow-x:auto}.edu table{border-collapse:collapse;text-align:left;width:100%;font-size:.88rem}.edu th{letter-spacing:.075em;text-transform:uppercase;color:#627a6b;white-space:nowrap;background:#edf2e9;padding:15px 20px;font-size:.68rem;font-weight:750}.edu td{border-bottom:1px solid #e4e9df;padding:17px 20px}.edu tr:last-child td{border-bottom:0}.edu td small{color:#768779;margin-top:4px;font-size:.7rem;display:block}.edu .student-name{text-align:left;background:0 0;border:0;justify-content:flex-start;min-height:0;padding:0;font-size:.9rem;font-weight:700}.edu .student-name:hover{text-decoration:underline}.edu progress{appearance:none;background:#e6eee0;border:0;border-radius:4px;width:95px;height:5px;margin-top:8px;display:block}.edu progress::-webkit-progress-bar{background:#e6eee0;border-radius:4px}.edu progress::-webkit-progress-value{background:#468c60;border-radius:4px}.attention{color:#a5602e;white-space:nowrap;background:#faf1e3;border-radius:4px;padding:5px 8px;font-size:.73rem}.empty{color:var(--muted);text-align:center;padding:35px}.student-toolbar{justify-content:space-between;align-items:center;gap:15px;margin:20px 0;display:flex}.student-toolbar>div{align-items:center;gap:16px;font-size:.8rem;display:flex}.student-toolbar>span{color:var(--muted);font-size:.85rem}.detail-tabs{border-bottom:1px solid var(--line);gap:12px;margin-bottom:26px;display:flex}.detail-tabs button{background:0 0;border:0;border-bottom:3px solid #0000;border-radius:0;padding:13px 18px;font-size:.88rem}.detail-tabs .active{color:#247756;background:#fff;border-color:#247756}.student-detail>.paper{margin-bottom:22px}.diagnostics{border:1px solid var(--line);border-radius:5px;grid-template-columns:repeat(4,1fr);margin:20px 0;display:grid}.diagnostics>div{border-right:1px solid var(--line);flex-direction:column;padding:17px 20px;display:flex}.diagnostics>div:last-child{border:0}.diagnostics strong{font-size:1.4rem}.diagnostics span{color:var(--muted);font-size:.73rem}.answer-history{padding:0!important;list-style:none!important}.answer-history li{border-top:1px solid var(--line);gap:14px;padding:16px 0;display:flex}.answer-history h3{margin:0}.answer-history p{margin:6px 0;font-size:.86rem}.answer-history small{color:var(--muted)}.answer-correct,.answer-wrong{color:#247756;font-size:1.4rem}.answer-wrong{color:#ab6134}.feedback-form{border-top:1px solid var(--line);margin-top:20px;padding-top:18px}.feedback-form button{margin:12px 12px 0 0}.feedback-form span{color:var(--green);font-size:.8rem}.daily-review{border:1px solid var(--line);border-radius:5px;padding:18px}.daily-review summary{justify-content:space-between;gap:16px;display:flex}.daily-answer{border-top:1px solid #e0e8d9;padding-top:14px}.daily-answer p{margin-top:6px}.path-options{flex-wrap:wrap;gap:25px;display:flex}.path-options label{align-items:center;gap:9px;display:flex}.path-options input{margin:0!important}.class-settings{margin-bottom:25px}.assign-form{border-top:1px solid var(--line);flex-wrap:wrap;align-items:end;gap:15px;margin-top:20px;padding-top:18px;display:flex}.assign-form h3{width:100%}.assign-form label{flex:1}.assign-form label:first-of-type{flex:2}.assign-form span{width:100%;font-size:.8rem}.legacy-teacher{padding:20px 30px}.legacy-teacher .t10t-header{display:none}.legacy-teacher .t10t-app{background:0 0}.legacy-record{border-top:1px solid var(--line);padding-top:20px}.legacy-record pre{white-space:pre-wrap}.student-detail{min-width:0;overflow-x:auto}@media (width<=1100px){.site-header{flex-wrap:wrap;gap:16px;padding:17px 23px}.site-header nav{order:3;justify-content:flex-start;gap:22px;width:100%;padding-bottom:2px;overflow-x:auto}.site-header .account{margin-left:auto}.shell{grid-template-columns:205px minmax(0,1fr)}.workspace{padding:30px 24px 45px}.mission-grid{grid-template-columns:1fr}.continue-card h2{margin-top:12px}.quiet-progress{margin-left:0;display:block}.teacher-workspace{padding:30px 24px}.teacher-heading h1{font-size:2.2rem}.edu th,.edu td{padding:14px}.guide-callout{flex-wrap:wrap}.guide-callout button{margin-left:0}.unit-card{padding:20px}.tag{font-size:.58rem}}@media (width<=720px){.site-header{padding:16px 18px}.site-header nav{gap:19px}.site-header nav a{font-size:.75rem!important}.brand b{font-size:.83rem}.identity-strip{padding:8px 18px;font-size:.65rem}.identity-strip strong{font-size:1rem}.shell{display:block}.rail{border-right:0;border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:13px 18px;display:flex;overflow-x:auto}.rail-unit{flex-shrink:0;margin:0}.rail-unit .unit-number,.rail-home,.rail-label,.rail-lessons,.rail-footer{display:none}.edu .rail-unit>button{padding:9px;font-size:.72rem}.workspace{padding:28px 18px 38px}.page-heading h1{font-size:2rem}.mission-grid{gap:13px;margin-bottom:27px}.opener-card,.continue-card{padding:23px}.opener-card h2{font-size:1.55rem}.unit-grid{grid-template-columns:1fr}.unit-card h2{margin-top:16px}.unit-card p{margin-bottom:18px}.section-heading>span{font-size:.7rem}.lesson-heading h1{font-size:1.8rem}.stage-tabs strong{font-size:.72rem}.stage-tabs a>div{gap:5px}.stage-tabs .circle{width:15px;min-width:15px;height:15px;font-size:10px}.stage-tabs small{letter-spacing:.05em;font-size:.49rem}.stage-tabs .three-checks{gap:2px}.stage-tabs .three-checks>span{width:18px;height:18px;font-size:10px}.stage-tabs a{min-height:72px;padding:13px 3px}.paper{padding:23px 20px}.lesson-paper{padding:23px 19px}.code-toolbar{flex-wrap:wrap}.program{padding:12px}.program li{font-size:.78rem!important}.edu pre{padding:14px;font-size:.72rem}.search-bar{flex-direction:column;gap:10px}.guide-title{padding:20px!important}.guide-content{padding:0 20px 20px}.check-title h2{font-size:1.65rem}.check-title .three-checks>span{width:28px;height:28px;font-size:16px}.question-card h3{font-size:1.1rem}.choices label{padding:13px;font-size:.86rem}.upload-area{flex-direction:column;align-items:flex-start;padding:17px}.form-actions{gap:12px}.submission{padding:14px}.submission summary{font-size:.75rem}.submission time{width:100%;margin-left:0}.review-card{gap:20px}.review-ten{font-size:3.5rem}.site-footer{flex-wrap:wrap;padding:18px;font-size:.64rem}.teacher-workspace{padding:27px 18px}.teacher-heading{display:block}.class-picker{margin-top:20px}.teacher-toolbar{display:block}.teacher-toolbar>span{margin-top:13px;display:block}.teacher-stats{gap:8px}.teacher-stats>div{padding:13px}.teacher-stats span{font-size:.65rem}.teacher-stats strong{font-size:1.6rem}.roster-heading input{max-width:180px!important}.roster-heading h2{font-size:1.2rem}.table-wrap table{min-width:780px}.student-toolbar{flex-wrap:wrap}.student-toolbar>div{order:3;justify-content:space-between;width:100%}.detail-tabs{gap:4px;overflow-x:auto}.detail-tabs button{white-space:nowrap;padding:12px;font-size:.76rem}.diagnostics{grid-template-columns:1fr 1fr}.diagnostics>div:nth-child(2){border-right:0}.diagnostics>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.diagnostics>div{padding:14px}.diagnostics span{font-size:.65rem}.daily-review summary{flex-wrap:wrap}.student-detail table{min-width:560px}.assign-form label{flex:100%!important}.login-modal{padding:30px 24px}.login-modal h1{font-size:1.75rem}.modal-backdrop{padding:15px}.lesson-list>a{gap:12px;padding:18px}.lesson-list h2{font-size:1.03rem}.lesson-list p{font-size:.77rem}.lesson-number{font-size:1rem!important}}@media (prefers-reduced-motion:reduce){.unit-card{transition:none}.unit-card:hover{transform:none}}.edu{background:#f0f3ef}.legacy-teacher .teacher-brand-subtitle{font-family:inherit}@media (width<=1100px){.site-header nav{flex:1 0 100%;width:100%;min-width:0}}.quick-links{margin-bottom:36px}.quick-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;display:grid}.quick-card{border:1px solid var(--line);background:#fff;border-radius:6px;flex-direction:column;display:flex}.edu .quick-card>a:first-child{color:var(--ink);flex-direction:column;flex:1;gap:6px;padding:18px 20px;display:flex}.edu .quick-card>a:first-child:hover{background:#f5f9f3;text-decoration:none}.quick-card strong{font-size:1rem}.quick-card span{color:var(--muted);font-size:.82rem}.edu .quick-fallback{padding:0 20px 14px;font-size:.72rem}.rail-sublabel{letter-spacing:.13em;text-transform:uppercase;color:#7c8e83;font-weight:800;margin:12px 0 2px 5px!important;font-size:.62rem!important}.rail-lessons a.rail-link{padding:7px 5px}.unit-links{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px;display:grid}.unit-links section{border:1px solid var(--line);background:#fff;border-radius:6px;padding:16px 20px}.unit-links h2{margin:0 0 6px;font-size:1rem}.unit-links ul{margin:0;padding-left:18px}.unit-links li{margin:4px 0;font-size:.88rem}.site-header .account{align-items:center;gap:12px;display:flex}.class-name{color:#d7e4e0;white-space:nowrap;font-size:.85rem}.class-switcher{flex-wrap:wrap;align-items:center;gap:8px;display:inline-flex}.edu .class-switcher select{color:#fff;background:#1b3d46;border-color:#5c7477;width:auto;padding:6px 10px;font-size:.82rem}.switch-pin{gap:6px;display:inline-flex}.edu .switch-pin input{width:90px!important;padding:6px 8px!important;font-size:.85rem!important}.edu .switch-pin button{min-height:32px;padding:4px 10px}:root{color:#232421;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:#f8f7f3;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:#f8f7f3;min-width:320px;min-height:100%}body{background:#f8f7f3;min-width:320px;min-height:100vh;margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}::selection{color:#17231d;background:#cfe5d8}:focus-visible{outline-offset:3px;outline:3px solid #267152}.app-fallback{align-content:center;gap:16px;width:min(680px,100% - 32px);min-height:100vh;margin:0 auto;display:grid}.app-fallback-kicker{color:#267152;letter-spacing:.12em;text-transform:uppercase;margin:0;font-size:.82rem;font-weight:800}.app-fallback h1,.app-fallback p{margin:0}.app-fallback h1{letter-spacing:-.045em;font-size:clamp(2rem,6vw,3.5rem);line-height:1.02}.app-fallback p:not(.app-fallback-kicker){color:#5d605a;font-size:1.1rem;line-height:1.6}.app-fallback button{color:#fff;cursor:pointer;background:#267152;border:0;border-radius:14px;width:fit-content;min-height:48px;padding:0 20px;font-weight:750}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
