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var(--accent-2);border-radius:var(--r-lg);background:var(--surface);transition:background-color var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out)}.live-sort-column.is-ready{border-style:dashed;background:color-mix(in srgb,var(--accent-2) 8%,var(--surface))}.live-sort-column.is-target{border-style:solid;background:color-mix(in srgb,var(--accent-2) 16%,var(--surface));box-shadow:var(--shadow-lg)}.live-sort-heading{position:relative;color:var(--accent-2);font-size:var(--fs-stage-answer);pointer-events:none}.live-sort-zone{position:absolute;top:0;right:0;bottom:0;left:0;border:0;border-radius:inherit;background:transparent;cursor:default;touch-action:manipulation}.is-ready>.live-sort-zone{cursor:pointer}.live-sort-zone:focus-visible{outline:4px solid 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var(--line);border-radius:var(--r-md);background:var(--surface);box-shadow:var(--shadow-sm);color:var(--text);font:inherit;font-size:var(--fs-stage-min);font-weight:var(--fw-bold);text-align:start;user-select:none;-webkit-user-select:none;touch-action:none;cursor:grab;transition-property:transform,background-color,border-color,box-shadow;transition-duration:var(--dur-base);transition-timing-function:var(--ease-out)}.live-sort-card:hover{border-color:var(--accent-2)}.live-sort-card:active{transform:scale(.97)}.live-sort-card:focus-visible{outline:4px solid var(--accent-2);outline-offset:3px}.live-sort-card.is-selected{border-color:var(--warn-ink);background:var(--warn);color:var(--warn-ink);box-shadow:var(--shadow-lg);transform:translateY(-6px)}.live-sort-card.is-dragging{z-index:10;border-color:var(--warn-ink);background:var(--warn);color:var(--warn-ink);box-shadow:var(--shadow-lg);cursor:grabbing;transition:none}.is-checked 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li.teacher-roles-right{border-color:var(--ink);background:var(--ink);color:var(--ink-fg)}.teacher-roles-letter{font-weight:var(--fw-heavy)}.teacher-roles-gap{display:inline-block;min-width:4ch;margin:0 .25ch;border-bottom:3px solid var(--ink)}.teacher-roles-key{padding:var(--sp-3) var(--sp-4);border-radius:var(--r-sm);background:var(--warn);color:var(--warn-ink)}.teacher-roles-controls{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3)}.teacher-roles-back.teacher-button--ghost{padding:var(--sp-3) var(--sp-5);border-color:var(--muted);font-size:var(--fs-lead)}.teacher-roles-go.teacher-button{border-color:var(--ink);background:var(--ink);color:var(--ink-fg);font-size:var(--fs-lead)}.teacher-roles-go.teacher-button:hover{background:var(--ink);filter:brightness(1.15)}.teacher-roles-tool{display:inline-grid;place-items:center;width:var(--size-tap);height:var(--size-tap);margin-left:auto;padding:0;border:1px solid var(--muted);border-radius:var(--r-pill);background:var(--surface);color:var(--ink);cursor:pointer;transition-property:background-color,color;transition-duration:var(--dur-fast, .15s)}.teacher-roles-tool:hover{background:var(--surface-2)}.teacher-roles-tool:focus-visible{outline:3px solid var(--accent-2);outline-offset:2px}.teacher-roles-hint{margin:calc(-1 * var(--sp-3)) 0 0;color:var(--muted);font-size:var(--fs-sm);line-height:var(--lh-snug)}.teacher-roles-stage:fullscreen .teacher-roles-hint{display:none}@media(prefers-reduced-motion:reduce){.teacher-roles-step,.teacher-roles-tool,.teacher-roles-options li{transition:none}}.teacher-panel-page{display:grid;gap:var(--sp-8);min-width:0}.teacher-panel-head{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:var(--sp-5) var(--sp-8);position:static;margin:0;padding:0;border:0;background:none;-webkit-backdrop-filter:none;backdrop-filter:none}.teacher-panel-titles{flex:1 1 26rem;display:grid;gap:var(--sp-4);min-width:0}.teacher-main h1.teacher-panel-title{margin:0;font-family:var(--font-display);font-size:2rem;line-height:1.15;overflow-wrap:anywhere;text-wrap:balance}.teacher-panel-lead{max-width:65ch;margin:0;color:var(--muted);text-wrap:pretty}.teacher-facts{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3);margin:0;padding:0;list-style:none}.teacher-fact.teacher-fact--action{position:relative;display:inline-flex;align-items:center;gap:var(--sp-2);border-color:var(--accent);color:var(--accent);font-family:inherit;font-weight:800;line-height:inherit;cursor:pointer;transition-property:background-color,transform;transition-duration:var(--dur-base);transition-timing-function:ease-out}.teacher-fact.teacher-fact--action:before{content:"";position:absolute;top:-9px;right:-2px;bottom:-9px;left:-2px}.teacher-fact.teacher-fact--action:hover{background:var(--surface-2)}.teacher-fact.teacher-fact--action:active{transform:scale(.97)}.teacher-fact.teacher-fact--action:focus-visible{outline:2px solid 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var(--line);border-radius:var(--r-sm);background:var(--surface-2);font-size:.875rem}.teacher-rubric-label{margin-inline-end:var(--sp-2);color:var(--muted);font-weight:700}.teacher-segmented{display:inline-flex;flex-wrap:wrap;gap:var(--sp-3)}.teacher-segment{min-height:var(--size-tap);padding:0 var(--sp-6);border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface);color:var(--text);font:inherit;font-size:var(--fs-sm);font-weight:800;cursor:pointer;transition-property:background-color,color,border-color;transition-duration:var(--dur-base);transition-timing-function:ease-out}.teacher-segment:hover{background:var(--surface-2)}.teacher-segment[aria-checked=true],.teacher-segment[aria-pressed=true]{border-color:var(--ink);background:var(--ink);color:var(--ink-fg)}.teacher-segment:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.teacher-input-field{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--sp-3);min-width:0}.teacher-input-label{font-weight:800}.teacher-input-help{margin:0;color:var(--muted);font-size:var(--fs-sm)}.teacher-input-error{display:flex;align-items:center;gap:var(--sp-3);margin:0;color:var(--bad);font-size:var(--fs-sm);font-weight:800}.teacher-page .teacher-control{width:100%;min-height:var(--size-tap);padding:var(--sp-4) var(--sp-5);border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);color:var(--text);font:inherit;font-variant-numeric:tabular-nums}.teacher-page .teacher-control:hover:not(:disabled){border-color:var(--muted)}.teacher-page .teacher-control:focus-visible{outline:2px solid var(--accent-2);outline-offset:1px}.teacher-page .teacher-control[aria-invalid=true]{border-color:var(--bad)}.teacher-page .teacher-control:disabled{background:var(--surface-2);color:var(--muted);cursor:not-allowed}.teacher-select{position:relative;display:grid}.teacher-select select.teacher-control{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:var(--sp-10);cursor:pointer}.teacher-select select.teacher-control:disabled{cursor:not-allowed}.teacher-select:has(select:disabled):after{color:var(--muted)}.teacher-select:after{content:"";position:absolute;top:50%;right:var(--sp-6);width:var(--sp-4);height:var(--sp-4);border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-70%) rotate(45deg);pointer-events:none}.teacher-check{display:inline-flex;align-items:center;gap:var(--sp-4);min-height:var(--size-tap);font-weight:700;cursor:pointer}.teacher-check input{width:var(--sp-7);height:var(--sp-7);margin:0;accent-color:var(--ink);cursor:pointer}.teacher-check input:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.teacher-filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-4) var(--sp-5)}.teacher-filter-bar>.teacher-select{flex:0 1 12rem}.teacher-filter-bar .teacher-input-field{margin-left:auto}.teacher-search{position:relative;display:flex;flex:1 1 18rem;align-items:center;min-width:0}.teacher-search>svg{position:absolute;left:var(--sp-5);color:var(--muted);pointer-events:none}.teacher-search .teacher-control{padding-left:var(--sp-11)}.teacher-filter-more{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));gap:var(--sp-5);padding:var(--sp-6);border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}.teacher-filter-chips{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3) var(--sp-4);margin:0;padding:0;list-style:none}.teacher-filter-chip{display:inline-flex;align-items:center;gap:var(--sp-3);max-width:24rem;min-height:var(--size-tap);padding:0 var(--sp-5);border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface);color:var(--text);font:inherit;font-size:.875rem;font-weight:600;cursor:pointer;transition-property:border-color,background-color;transition-duration:var(--dur-fast)}.teacher-filter-chip:hover{border-color:var(--muted);background:var(--surface-2)}.teacher-filter-chip:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}@supports (appearance: base-select){.teacher-select--list select.teacher-control{-webkit-appearance:base-select;-moz-appearance:base-select;appearance:base-select}.teacher-select--list select.teacher-control::picker-icon{display:none}.teacher-select--list select.teacher-control::picker(select){-webkit-appearance:base-select;-moz-appearance:base-select;appearance:base-select;max-height:18rem;margin-top:var(--sp-2);padding:var(--sp-2);border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);box-shadow:var(--shadow)}.teacher-select--list select.teacher-control option{min-height:var(--size-tap);padding:var(--sp-3) var(--sp-5);border-radius:var(--r-xs);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.teacher-select--list select.teacher-control option:hover,.teacher-select--list select.teacher-control option:focus-visible{background:var(--surface-2)}.teacher-select--list select.teacher-control option:checked{font-weight:800}.teacher-select--list select.teacher-control option::checkmark{display:none}}.teacher-exercise-cards{display:grid;gap:var(--sp-5);margin:0;padding:0;list-style:none}.teacher-exercise-card{display:grid;gap:var(--sp-4);padding:var(--sp-6);border-radius:var(--r-sm);background:var(--surface-2)}.teacher-exercise-card p{margin:0}.teacher-main .teacher-exercise-card-head{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-4);margin:0;font-size:1rem}.teacher-exercise-num{display:inline-grid;place-items:center;width:var(--sp-9);height:var(--sp-9);border-radius:var(--r-pill);background:var(--ink);color:var(--ink-fg);font-weight:800;font-variant-numeric:tabular-nums}.teacher-exercise-rows{display:grid;gap:var(--sp-3);margin:0;padding-left:var(--sp-6)}.teacher-empty-state{display:grid;justify-items:center;gap:var(--sp-5);padding:var(--sp-8) var(--sp-6);text-align:center}.teacher-empty-state img{width:var(--size-2xl);height:var(--size-2xl)}.teacher-empty-state--compact{gap:var(--sp-3);padding:var(--sp-4) var(--sp-4)}.teacher-empty-state--compact 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button:hover,.teacher-row-menu button:focus-visible{background:var(--surface-2);outline:none}.teacher-row-menu .is-danger{color:var(--bad)}.teacher-alert{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3) var(--sp-5);margin:0;padding:var(--sp-4) var(--sp-5);border:1px solid color-mix(in srgb,var(--bad) 32%,var(--surface));border-radius:var(--r-sm);background:color-mix(in srgb,var(--accent) 7%,var(--surface));color:var(--text);font-weight:600;text-wrap:pretty}.teacher-alert>svg{flex:none;color:var(--bad)}.teacher-alert-text{flex:1 1 16rem;min-width:0}.teacher-done{display:flex;align-items:center;gap:var(--sp-3);margin:0;padding:var(--sp-4) var(--sp-5);border:1px solid color-mix(in srgb,var(--good) 32%,var(--surface));border-radius:var(--r-sm);background:color-mix(in srgb,var(--good) 8%,var(--surface));color:var(--text);font-weight:600}.teacher-done>svg{flex:none;color:var(--good)}.teacher-button.teacher-button--danger-quiet{border:1.5px solid 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var(--sp-3)}.teacher-work-sent-link{text-align:start;text-wrap:pretty}.teacher-work-detail{padding-top:var(--sp-5);border-top:1px solid var(--line)}.teacher-work-panel :is(.teacher-row-action,.teacher-work-nowrap){white-space:nowrap}.teacher-section-titles{display:grid;gap:var(--sp-2);min-width:0}.teacher-main .teacher-section-lead{max-width:60ch;margin:0;color:var(--muted);text-wrap:pretty}.teacher-section-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--sp-6);margin-block:var(--sp-8)}.teacher-section-grid p{margin:0}.teacher-section-grid>.teacher-section{align-content:start}@media(min-width:1100px){.teacher-section-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:1100px){.teacher-section-grid.teacher-week-grid{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}}@media(min-width:1100px){.teacher-section-grid.teacher-week-grid:has(>[data-span=tall]){grid-template-rows:auto 1fr}.teacher-section-grid.teacher-week-grid>[data-span=tall]{grid-row:span 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var(--line);background:var(--bg);color:var(--text);box-shadow:var(--shadow-lg);overflow:clip}.teacher-side-sheet[open]{animation:teacher-side-sheet-in .2s ease-out}.teacher-side-sheet.teacher-side-sheet--narrow{width:min(440px,100vw)}.teacher-side-sheet::backdrop{background:color-mix(in srgb,var(--ink) 45%,transparent)}@media(prefers-reduced-motion:reduce){.teacher-side-sheet[open]{animation:none}}@keyframes teacher-side-sheet-in{0%{opacity:0;transform:translate(var(--sp-8))}}.teacher-side-sheet .teacher-side-sheet-form{display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:100%}.teacher-side-sheet .teacher-side-sheet-head,.teacher-side-sheet .teacher-side-sheet-foot{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-4);padding:var(--sp-6) var(--sp-8);background:var(--surface)}.teacher-side-sheet .teacher-side-sheet-head{justify-content:space-between;border-bottom:1px solid var(--line)}.teacher-side-sheet .teacher-side-sheet-head .teacher-icon-button:hover{color:var(--text)}.teacher-side-sheet .teacher-side-sheet-title{margin:0;font-family:var(--font-display);font-size:1.5rem;line-height:1.2;text-wrap:balance}.teacher-side-sheet .teacher-side-sheet-body{display:grid;align-content:start;gap:var(--sp-6);position:relative;padding:var(--sp-8);overflow-y:auto;overscroll-behavior:contain}.teacher-side-sheet .teacher-side-sheet-body>*{margin:0}.teacher-side-sheet .teacher-side-sheet-body :is(input:not([type=checkbox],[type=radio],.teacher-sr),textarea,select){width:100%;background:var(--surface)}.teacher-side-sheet .teacher-side-sheet-body :is(input:not([type=checkbox],[type=radio],.teacher-sr),textarea,select):hover:not(:disabled){border-color:var(--muted)}.teacher-side-sheet .teacher-side-sheet-body :is(input:not([type=checkbox],[type=radio],.teacher-sr),textarea,select):focus-visible{outline:2px solid var(--accent-2);outline-offset:1px}.teacher-side-sheet .teacher-side-sheet-body :is(input:not([type=checkbox],[type=radio],.teacher-sr),textarea,select):disabled{background:var(--surface-2);color:var(--muted);cursor:not-allowed}.teacher-side-sheet .teacher-side-sheet-body .teacher-field{gap:var(--sp-3)}.teacher-side-sheet .teacher-side-sheet-body .teacher-field>span:first-child{font-weight:800}.teacher-side-sheet .teacher-side-sheet-body input[type=date]{max-width:15rem}.teacher-side-sheet .teacher-side-sheet-body input[type=checkbox]{width:var(--sp-7);height:var(--sp-7);accent-color:var(--ink)}.teacher-side-sheet fieldset.teacher-section{margin:0}.teacher-side-sheet fieldset.teacher-section>legend{float:left;width:100%;padding:0;color:var(--muted);font-size:.875rem;font-weight:800;font-variant-caps:all-small-caps;letter-spacing:.08em}.teacher-side-sheet .teacher-exercise{margin:0;border:0;border-radius:var(--r-sm);background:var(--surface-2)}.teacher-side-sheet .teacher-exercise>legend{float:left;width:100%;padding:0}.teacher-side-sheet .teacher-exercise .teacher-exercise{padding:var(--sp-5) 0 0;border-top:1px solid var(--line);border-radius:0}.teacher-side-sheet .teacher-exercise-label,.teacher-side-sheet .teacher-exercise .teacher-exercise>legend{color:var(--muted);font-size:.875rem;font-weight:800;font-variant-caps:all-small-caps;letter-spacing:.08em}.teacher-side-sheet .teacher-side-sheet-foot{justify-content:flex-end;border-top:1px solid var(--line)}.teacher-side-sheet .teacher-side-sheet-foot>:is(.teacher-error,.teacher-side-sheet-option){flex:1 1 100%;margin:0}.teacher-side-sheet .teacher-side-sheet-foot .teacher-button{margin:0}.teacher-side-sheet .teacher-side-sheet-foot>.teacher-error{max-height:30dvh;overflow-y:auto}.teacher-side-sheet .teacher-side-sheet-foot>.teacher-error :is(p,ul){margin:0}.teacher-side-sheet .teacher-side-sheet-option{display:grid;gap:var(--sp-2)}.teacher-side-sheet .teacher-side-sheet-option--action{justify-items:start}.teacher-block{position:relative}.teacher-block>.teacher-block-tools{position:absolute;top:var(--sp-4);right:var(--sp-4);z-index:1}.teacher-block>.teacher-exercise>legend{padding-right:calc(88px + var(--sp-6));min-height:44px}.teacher-material-icon{background:var(--accent-2);color:var(--surface)}.teacher-material-icon svg{display:block}.teacher-material-count{font-variant-numeric:tabular-nums}.teacher-material-text{min-height:9rem;line-height:1.55;resize:vertical}.teacher-material-image{display:grid;place-items:center;min-height:9rem;border:1px dashed var(--line);border-radius:var(--r-sm);background:var(--surface);overflow:hidden}.teacher-material-image img{display:block;max-width:100%;max-height:18rem;object-fit:contain;outline:1px solid rgba(0,0,0,.1);outline-offset:-1px}.teacher-material-audio{display:grid;place-items:center;min-height:6rem;border:1px dashed var(--line);border-radius:var(--r-sm);background:var(--surface)}.teacher-material-audio audio{display:block;width:100%}.teacher-material-audio--ready{min-height:0;padding:var(--sp-3);border-style:solid}.teacher-material-placeholder{display:flex;flex-direction:column;align-items:center;gap:var(--sp-2);padding:var(--sp-5);text-align:center;text-wrap:pretty}.teacher-material-times>.teacher-input-field{flex:1 1 10rem}.teacher-material-video{aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:var(--ink)}.teacher-material-video iframe{display:block;width:100%;height:100%;border:0}.teacher-material-scene{display:flex;align-items:center;gap:var(--sp-4)}.teacher-material-scene img{width:160px;height:90px;flex:none;border-radius:var(--r-sm);object-fit:cover;outline:1px solid rgba(0,0,0,.1);outline-offset:-1px}.teacher-material-add{display:grid;gap:var(--sp-3)}.teacher-material-pdf-status{display:flex;align-items:center;gap:var(--sp-2);margin:0;font-size:var(--fs-sm);font-variant-numeric:tabular-nums;text-wrap:pretty}.teacher-material-pdf-status .ic{flex:none;color:var(--good)}.teacher-feedback-open{display:flex;align-items:center;gap:var(--sp-4);width:100%;min-height:48px;padding:0 var(--sp-5);border:0;border-radius:var(--r-sm);background:transparent;color:var(--panel-nav-muted);font:inherit;font-weight:700;text-align:start;cursor:pointer;touch-action:manipulation;transition-property:background-color,color;transition-duration:.15s;transition-timing-function:ease-out}.teacher-feedback-open:hover{background:var(--panel-nav-hover);color:var(--panel-nav-fg)}.teacher-dialog.teacher-feedback{width:min(100% - 2 * var(--sp-6),520px);max-height:calc(100dvh - 2 * var(--sp-6));overflow-y:auto}.teacher-dialog.teacher-feedback h2{font-size:1.35rem;text-wrap:balance}.teacher-dialog.teacher-feedback .teacher-button{min-height:48px}.teacher-dialog.teacher-feedback .teacher-dialog-actions{margin-top:var(--sp-2)}.teacher-feedback-form,.teacher-feedback-done{display:grid;gap:var(--sp-5)}.teacher-feedback-form>.teacher-muted,.teacher-feedback-done>.teacher-muted{text-wrap:pretty}.teacher-feedback-types{display:grid;gap:var(--sp-3)}.teacher-feedback-types>.teacher-feedback-label{margin:0}.teacher-feedback-types .teacher-segment{min-height:48px}.teacher-feedback-label{margin-bottom:calc(-1 * var(--sp-3));font-weight:800}.teacher-dialog.teacher-feedback textarea{width:100%;min-height:9rem;box-sizing:border-box;padding:var(--sp-4) var(--sp-5);border:1.5px solid var(--line);border-radius:var(--r-sm);background:var(--bg);color:var(--text);font:inherit;line-height:1.5;resize:vertical}.teacher-dialog.teacher-feedback textarea::placeholder{color:var(--muted)}.teacher-dialog.teacher-feedback textarea:focus-visible{outline:2px solid var(--accent-2);outline-offset:1px;border-color:var(--accent-2)}.teacher-feedback-meta{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--sp-5);margin-top:calc(-1 * var(--sp-3));font-size:.9rem}.teacher-feedback-count{flex:none;color:var(--muted);font-variant-numeric:tabular-nums}.teacher-feedback-error{display:flex;align-items:flex-start;gap:var(--sp-3);margin:0;padding:var(--sp-4) var(--sp-5);border-radius:var(--r-sm);background:color-mix(in srgb,var(--bad) 10%,var(--surface));color:var(--bad);font-weight:700;line-height:1.4}.teacher-feedback-error .ic{flex:none;margin-top:1px}.teacher-feedback-done{justify-items:start}.teacher-feedback-done-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:color-mix(in srgb,var(--good) 14%,var(--surface));color:var(--good)}.teacher-cell-sub{display:block;color:var(--muted);font-size:.875rem;font-weight:400;text-wrap:pretty}.teacher-table .teacher-fact{display:inline-block;white-space:nowrap}.teacher-class-code{letter-spacing:.06em}.teacher-class-week{display:block;margin-top:0}.teacher-class-week .teacher-class-goal{display:grid;gap:var(--sp-3);justify-items:start}.teacher-class-week .teacher-goal-track{width:100%;height:10px}.teacher-class-week .teacher-cell-sub{white-space:normal}.teacher-pill--icon{display:inline-flex;gap:var(--sp-2);align-items:center}.teacher-class-goal .teacher-pill{padding:var(--sp-2) var(--sp-4)}.teacher-class-list .teacher-facts{gap:var(--sp-3) var(--sp-6)}.teacher-class-list .teacher-facts .teacher-fact{padding:0;border:0;background:none;color:var(--muted);font-size:.9375rem;border-radius:0}.teacher-class-directory{container-type:inline-size;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);overflow:clip}.teacher-class-rows{list-style:none;padding:0;margin:0}.teacher-class-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(17rem,21rem) 15.5rem;gap:var(--sp-6) var(--sp-8);align-items:center;padding:var(--sp-8)}.teacher-class-row+.teacher-class-row{border-top:1px solid var(--line)}.teacher-class-row--archived{grid-template-columns:minmax(0,1fr) 15.5rem}.teacher-class-identity{min-width:0}.teacher-class-list .teacher-class-name{display:inline-block;color:var(--text);font-size:1.125rem;font-weight:700;line-height:1.4;overflow-wrap:anywhere;text-decoration:none}.teacher-class-list .teacher-class-name:hover{text-decoration:underline;text-underline-offset:.2em}.teacher-class-list .teacher-class-name:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:var(--r-sm)}.teacher-class-meta{display:flex;flex-wrap:wrap;gap:var(--sp-2) var(--sp-5);margin:var(--sp-3) 0 0;color:var(--muted);font-size:.875rem;line-height:1.5}.teacher-class-work{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:var(--sp-6);margin:0}.teacher-class-work dt{color:var(--muted);font-size:.75rem;font-weight:600;line-height:1.4;margin-bottom:var(--sp-4)}.teacher-class-work dd{margin:0;font-size:.9375rem}.teacher-class-work .teacher-goal-track{max-width:12rem}.teacher-class-row-actions .teacher-row-actions{display:flex;flex-wrap:nowrap;gap:var(--sp-3)}.teacher-class-row-actions .teacher-row-actions>a.teacher-row-action{min-height:44px;padding:var(--sp-4) var(--sp-6);border:1px solid var(--line);border-radius:var(--r-md);color:var(--text);white-space:nowrap;text-decoration:none}.teacher-class-row-actions .teacher-row-actions>a.teacher-row-action:hover{background:var(--surface-2);border-color:var(--muted)}.teacher-class-row-actions .teacher-row-actions>button{min-height:44px}.teacher-class-search{max-width:32rem}.teacher-class-search>label{display:block;font-size:.875rem;font-weight:600;margin-bottom:var(--sp-3)}.teacher-class-search-control{display:flex;gap:var(--sp-4)}.teacher-class-search-control input{min-width:0;flex:1}.teacher-class-search-control button{flex-shrink:0}.teacher-class-empty{padding:var(--sp-8);margin:0;color:var(--muted)}@container (max-width: 61rem){.teacher-class-row{grid-template-columns:minmax(0,1fr) 15.5rem}.teacher-class-row .teacher-class-work{grid-column:1;grid-row:2;max-width:26rem}.teacher-class-row .teacher-class-row-actions{grid-column:2;grid-row:1/span 2}}@container (max-width: 36rem){.teacher-class-row{grid-template-columns:minmax(0,1fr);padding:var(--sp-6);gap:var(--sp-6)}.teacher-class-row .teacher-class-work,.teacher-class-row .teacher-class-row-actions{grid-column:1;grid-row:auto}.teacher-class-row .teacher-row-actions{flex-wrap:wrap}.teacher-class-row .teacher-row-actions>a{flex:1;justify-content:center;white-space:normal;text-align:center}}.teacher-class-form{display:grid;gap:var(--sp-5)}.teacher-class-form h2{margin:0;text-wrap:balance}.teacher-class-form p{margin:0}.teacher-class-form-pair{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:var(--sp-5)}.teacher-class-first{display:flex;gap:var(--sp-6);align-items:flex-start;margin-bottom:var(--sp-6)}.teacher-class-first p{margin:0 0 var(--sp-3)}.teacher-row-action.teacher-pick-next{display:inline-flex;gap:var(--sp-1);align-items:center;white-space:nowrap;color:var(--text);text-decoration:underline;text-decoration-color:color-mix(in srgb,currentColor 35%,transparent);text-underline-offset:3px}.teacher-row-action.teacher-pick-next[data-next=invite]{color:var(--muted);font-weight:600}.teacher-board .teacher-row-action.teacher-board-action{display:inline-flex;gap:var(--sp-1);align-items:center;padding-inline:0}.teacher-class-list .teacher-archived-toggle{border-color:transparent;color:var(--muted);justify-self:start;align-self:flex-start;width:fit-content}.teacher-class-list .teacher-archived-toggle svg{transition:transform var(--dur-base) ease-out}.teacher-class-list .teacher-archived-toggle[aria-expanded=true] svg{transform:rotate(180deg)}@media(prefers-reduced-motion:reduce){.teacher-class-list .teacher-archived-toggle svg{transition:none}}.teacher-guide{container-type:inline-size}.teacher-guide p,.teacher-guide h3{margin:0}.teacher-guide-steps{display:grid;gap:var(--sp-8);margin:0;padding:0;list-style:none}.teacher-guide-step{position:relative;display:grid;grid-template-columns:7.5rem minmax(0,1fr);align-content:start;align-items:start;gap:var(--sp-6)}.teacher-guide-visual{display:flex;flex-direction:column;align-self:stretch}.teacher-guide-art{display:block;flex:none;overflow:hidden;aspect-ratio:1;border-radius:var(--r-md);background:var(--mascot-plate)}.teacher-guide-art img{display:block;width:100%;height:100%;object-fit:cover}.teacher-guide-text{display:grid;gap:var(--sp-3);min-width:0}.teacher-guide-name{display:flex;align-items:center;gap:var(--sp-4);color:var(--text);font-family:var(--font-display);font-size:var(--fs-h2);line-height:1.2}.teacher-guide-num{display:inline-grid;flex:none;place-items:center;width:1.75rem;height:1.75rem;border-radius:var(--r-pill);background:var(--warn);color:var(--warn-ink);font-family:var(--font-body);font-size:.875rem;font-weight:var(--fw-heavy);font-variant-numeric:tabular-nums}.teacher-guide-role{color:var(--accent-2);font-size:.875rem;font-weight:var(--fw-heavy)}.teacher-guide-line{max-width:42ch;color:var(--text);font-size:1rem;line-height:1.5;text-wrap:pretty}.teacher-guide-link{display:flex;flex:1 0 var(--sp-8);align-items:center;justify-content:center;margin-block-end:calc(var(--sp-8) * -1);color:var(--muted)}.teacher-guide-link .ic{transform:rotate(90deg)}.teacher-guide-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-5) var(--sp-6);padding-block-start:var(--sp-6);border-top:1px solid var(--line)}.teacher-guide-rule{color:var(--text);font-weight:var(--fw-bold);text-wrap:pretty}@media(pointer:coarse){.teacher-button.teacher-guide-button{min-height:48px}}@container (min-width: 720px){.teacher-guide-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-10)}.teacher-guide-step{grid-template-columns:minmax(0,1fr)}.teacher-guide-art{width:min(100%,10rem)}.teacher-guide-link{position:absolute;top:5rem;right:calc(var(--sp-10) / -2);margin:0;transform:translate(50%,-50%)}.teacher-guide-link .ic{transform:none}}.teacher-dialog.teacher-mission-dialog{width:min(100% - 32px,1120px);max-height:calc(100dvh - 32px);padding:0;overflow:hidden;border-radius:var(--r-md)}.teacher-mission{display:flex;flex-direction:column;height:min(820px,100dvh - 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var(--sp-6)}.teacher-mission-navigation button{min-height:56px;display:flex;align-items:center;justify-content:center;gap:var(--sp-3);border:0;border-bottom:3px solid transparent;background:transparent;color:var(--muted);font:inherit;font-size:var(--fs-base);font-weight:var(--fw-bold);cursor:pointer}.teacher-mission-navigation button[aria-pressed=true]{color:var(--accent);border-bottom-color:var(--accent)}.teacher-mission-badge{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 var(--sp-1);border-radius:var(--r-xs);background:var(--surface-2);color:var(--text);font-size:var(--fs-xs);font-variant-numeric:tabular-nums}.teacher-mission-toolbar{padding:var(--sp-5) var(--sp-6) var(--sp-3);display:grid;gap:var(--sp-3)}.teacher-mission-filters{display:flex;gap:var(--sp-3)}.teacher-mission-filters label{display:grid;gap:var(--sp-1);min-width:0;font-size:var(--fs-xs);font-weight:var(--fw-bold)}.teacher-mission-filters .teacher-mission-search{flex:1}.teacher-mission-filters select{max-width:140px}.teacher-mission-kinds{display:flex;gap:var(--sp-3)}.teacher-mission-kinds button{min-height:var(--size-tap);padding:var(--sp-2) var(--sp-4);border:1px solid var(--line);border-radius:var(--r-xs);background:transparent;font:inherit;font-size:var(--fs-sm);color:var(--text);cursor:pointer}.teacher-mission-kinds button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--bg)}.teacher-mission-results{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--sp-2);color:var(--muted);font-size:var(--fs-xs)}.teacher-mission-body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:0 var(--sp-6) var(--sp-5)}.teacher-mission-picks{min-width:0;margin:0;padding:0;border:0}.teacher-mission-picks>.teacher-input-help{margin-bottom:var(--sp-4)}.teacher-mission-catalog-title{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.teacher-mission-column-head{display:grid;grid-template-columns:minmax(0,1fr) 44px 120px;gap:var(--sp-3);padding:var(--sp-3) var(--sp-3) var(--sp-3) 36px;border-bottom:1px solid var(--line);color:var(--muted);font-size:var(--fs-xs)}.teacher-mission-option{display:grid;grid-template-columns:18px minmax(0,1fr) 44px 120px;align-items:center;gap:var(--sp-3);min-height:52px;padding:var(--sp-3);border-bottom:1px solid var(--line);font-size:var(--fs-sm);line-height:var(--lh-base);cursor:pointer}.teacher-mission-option 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auto}.teacher-card{padding:var(--sp-8);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.teacher-card h2{margin:0 0 var(--sp-6);font-size:1.15rem}.teacher-main h1{margin:0 0 var(--sp-4);font-family:Fraunces,Georgia,serif;font-size:clamp(1.8rem,4vw,2.4rem);line-height:1.1}.teacher-heading{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--sp-6);margin-bottom:var(--sp-8)}.teacher-heading h1{margin:0}.teacher-muted{margin:0;color:var(--muted);line-height:1.5}.teacher-notice{margin:var(--sp-6) 0 0;padding:var(--sp-5) var(--sp-6);border-radius:var(--r-sm);background:var(--warn);color:var(--warn-ink);font-weight:700}.teacher-error{margin:var(--sp-5) 0;color:var(--bad);font-weight:800}.teacher-form{display:grid;gap:var(--sp-4);margin-top:var(--sp-7)}.teacher-form label{margin-top:var(--sp-3);font-weight:800}.teacher-form .teacher-button{margin-top:var(--sp-6)}.teacher-page input,.teacher-page select,.teacher-page textarea{min-height:44px;box-sizing:border-box;padding:var(--sp-4) var(--sp-5);border:1px solid var(--line);border-radius:var(--r-sm);background:var(--bg);color:var(--text);font:inherit}.teacher-field{display:grid;grid-template-columns:minmax(0,1fr);min-width:0;gap:var(--sp-3);font-weight:800}.teacher-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:var(--sp-5)}.teacher-grow{flex:1 1 220px}.teacher-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-3);padding:var(--sp-4) var(--sp-7);border:1.5px solid currentColor;border-radius:var(--r-pill);background:transparent;color:var(--text);font:inherit;font-weight:800;text-decoration:none;white-space:nowrap;cursor:pointer;transition-property:background-color,border-color,color,transform;transition-duration:var(--dur-base);transition-timing-function:ease-out}.teacher-button:hover{background:var(--surface-2)}.teacher-button:active:not(:disabled){transform:scale(.97)}.teacher-button:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.teacher-button:disabled,.teacher-button[aria-disabled=true]{border-color:var(--line);background:var(--surface-2);color:var(--muted);cursor:not-allowed;filter:none}.teacher-button--primary{border-color:var(--accent);background:var(--accent);color:var(--ink-fg)}.teacher-button--primary:hover{background:var(--accent);filter:brightness(.94)}.teacher-button--ghost{border:1px solid var(--line);background:transparent;color:var(--text)}.teacher-button--ghost:hover{background:var(--surface-2);filter:none}.teacher-button--danger{border-color:var(--bad);background:var(--bad);color:var(--ink-fg)}.teacher-button--danger:hover{background:var(--bad);filter:brightness(.94)}.teacher-link{display:inline-flex;align-items:center;gap:var(--sp-3);padding:0;border:0;background:none;color:var(--accent-2);font:inherit;font-weight:800;text-decoration:none;cursor:pointer}.teacher-muted a{color:var(--accent-2);font-weight:700;text-decoration:underline;text-underline-offset:2px}.teacher-page :is(a,button,input,select):focus-visible{outline:3px solid var(--accent-2);outline-offset:2px}.teacher-create{margin-bottom:var(--sp-8)}.teacher-list{display:grid;gap:var(--sp-5);margin:var(--sp-6) 0 0;padding:0;list-style:none}.teacher-class{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-6);padding:var(--sp-6) 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var(--line);border-radius:var(--r-sm);background:var(--surface);box-shadow:var(--shadow)}.teacher-more-menu .teacher-button{justify-content:flex-start;border:0;border-radius:var(--r-xs)}.teacher-steps{margin:var(--sp-4) 0 0;padding-left:1.4em;display:grid;gap:var(--sp-2);font-weight:700}.teacher-level{min-width:2.6em;padding:var(--sp-2) var(--sp-4);border-radius:var(--r-pill);color:var(--ink-fg);font-weight:900;text-align:center}.teacher-level--a1{background:var(--lvl-a1)}.teacher-level--a2{background:var(--lvl-a2);color:var(--warn-ink)}.teacher-level--b1{background:var(--lvl-b1)}.teacher-course-tag{padding:var(--sp-2) var(--sp-4);border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface-2);color:var(--text);font-weight:800}.teacher-class-head{position:sticky;top:0;z-index:var(--z-sticky);margin:0 0 var(--sp-8);padding-top:var(--sp-5);border-bottom:1px solid var(--line);background:var(--bg)}.teacher-class-head .teacher-heading{margin-bottom:var(--sp-5)}@media(max-width:599.98px){.teacher-class-head{position:static}}.teacher-class-top{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:var(--sp-5) var(--sp-8);margin-bottom:var(--sp-6)}.teacher-class-titles{flex:1 1 320px;min-width:0}.teacher-main h1.teacher-class-title{margin:0 0 var(--sp-4);font-size:2rem;overflow-wrap:anywhere;text-wrap:balance}.teacher-class-chips{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3);margin:0;padding:0;list-style:none}.teacher-class-chips .teacher-level,.teacher-class-chips .teacher-course-tag{display:inline-block;font-size:.875rem}@media(min-width:900px){.teacher-class-top{display:flex;flex-wrap:wrap;align-items:start;gap:var(--sp-4) var(--sp-6)}.teacher-class-titles{display:contents}.teacher-main h1.teacher-class-title{flex:1 1 auto;min-width:0;max-width:100%;margin:0;text-wrap:balance}.teacher-class-top>.teacher-class-actions{order:1;flex:0 0 auto;margin-left:auto}.teacher-class-chips{order:2;flex:1 0 100%}}.teacher-class-chip,.teacher-fact{padding:var(--sp-2) var(--sp-5);border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface);color:var(--text);font-size:.875rem;font-weight:600;font-variant-numeric:tabular-nums}.teacher-class-code{font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:800;letter-spacing:.08em}.teacher-class-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-4)}.teacher-button--wrap{max-width:100%;white-space:normal;text-wrap:balance;overflow-wrap:anywhere}.teacher-button--outline{border:1.5px solid currentColor}.teacher-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-6);margin:0 0 var(--sp-8)}.teacher-kpi{display:flex;flex-direction:column;gap:var(--sp-3);min-width:0;padding:var(--sp-6) var(--sp-7);border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}.teacher-kpi>.teacher-link{align-self:flex-start;font-size:.875rem}.teacher-kpi-label{margin:0;color:var(--muted);font-size:.75rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.teacher-kpi-value{margin:0;color:var(--text);font-family:Fraunces,Georgia,serif;font-size:2rem;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}.teacher-kpi-of{color:var(--muted);font-size:1.125rem}.teacher-kpi-value--hot{color:var(--accent)}.teacher-kpi-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-3)}.teacher-kpi-action{min-height:44px;display:inline-flex;align-items:center;gap:var(--sp-2);padding:0 var(--sp-4) 0 var(--sp-5);border:1.5px solid var(--accent);border-radius:var(--r-pill);color:var(--accent);font-size:.875rem;font-weight:800;text-decoration:none;white-space:nowrap;transition-property:background-color,transform;transition-duration:var(--dur-base);transition-timing-function:ease-out}.teacher-kpi-action svg{transform:rotate(-90deg)}.teacher-kpi-action:hover{background:var(--surface-2)}.teacher-kpi-action:active{transform:scale(.97)}.teacher-kpi-action:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}@media(prefers-reduced-motion:reduce){.teacher-kpi-action{transition:none}}.teacher-kpi-value--none{color:var(--muted)}.teacher-kpi-bar{height:6px;overflow:hidden;border-radius:var(--r-pill);background:var(--surface-2)}.teacher-kpi-bar span{display:block;height:100%;border-radius:inherit;background:var(--good)}.teacher-kpi-note{margin:0;color:var(--muted);font-size:.875rem;line-height:1.4;text-wrap:pretty}.teacher-kpi-note--clip{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.teacher-kpi-delta--up{color:var(--good);font-weight:700}.teacher-kpi-delta--down{color:var(--accent);font-weight:700}.teacher-insight .teacher-kpi-label:not(:first-child){margin-top:var(--sp-3)}.teacher-insight-list{display:grid;gap:var(--sp-3);margin:0;padding:0;list-style:none}.teacher-insight-list li{display:grid;gap:var(--sp-1);min-width:0}.teacher-insight-advice{margin:auto 0 0;padding-top:var(--sp-3);color:var(--text);font-weight:700;text-wrap:pretty}.teacher-kpi-skeleton{display:block;width:60%;height:2.2rem;border-radius:var(--r-xs);background:var(--surface-2);animation:teacher-kpi-pulse 1.2s ease-in-out infinite alternate}@keyframes teacher-kpi-pulse{to{opacity:.55}}.teacher-kpis-failed{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-5);padding:var(--sp-6) var(--sp-7);border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}.teacher-kpis-failed p{margin:0}@media(max-width:899.98px){.teacher-kpis{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-4)}.teacher-kpi{padding:var(--sp-5) var(--sp-6)}.teacher-kpi-value{font-size:1.75rem}}@media(prefers-reduced-motion:reduce){.teacher-kpi-skeleton{animation:none}}.teacher-pulse-col{display:grid;align-content:start;gap:var(--sp-3);min-width:0}.teacher-pulse-center{text-align:center}.teacher-pulse-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:var(--sp-6) var(--sp-8)}.teacher-pulse-answered{margin:0;color:var(--text);font-weight:700;font-variant-numeric:tabular-nums}.teacher-pulse-group{display:grid;gap:var(--sp-3)}.teacher-pulse-group-label{margin:0;color:var(--text);font-size:.875rem;font-weight:700}.teacher-pulse-bars{display:grid;gap:var(--sp-3);margin:0;padding:0;list-style:none}.teacher-pulse-bar-row{display:grid;grid-template-columns:minmax(5.5rem,auto) minmax(0,1fr) 2ch;align-items:center;gap:var(--sp-4);font-size:.875rem}.teacher-pulse-bar-count{text-align:end;font-variant-numeric:tabular-nums}.teacher-pulse-track{height:10px;overflow:hidden;border-radius:var(--r-pill);background:var(--surface-2)}.teacher-pulse-track .teacher-pulse-fill{display:block;height:100%;border-radius:inherit}.teacher-pulse-fill--easy,.teacher-pulse-fill--yes{background:var(--good)}.teacher-pulse-fill--right{background:var(--accent-2)}.teacher-pulse-fill--hard{background:var(--accent)}.teacher-pulse-fill--no{background:var(--accent-3)}.teacher-pulse-hidden{display:flex;align-items:flex-start;gap:var(--sp-4);margin:0;color:var(--muted);font-size:.875rem;line-height:1.4;text-wrap:pretty}.teacher-pulse-hidden svg{flex:none;margin-top:1px}.teacher-pulse-trend{display:grid;gap:var(--sp-4)}.teacher-pulse-weeks{display:grid;margin:0;padding:0;list-style:none}.teacher-pulse-week{display:grid;align-content:start;gap:var(--sp-3);min-width:0;padding-block:var(--sp-4);border-top:1px solid var(--line)}.teacher-pulse-week-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--sp-2) var(--sp-4);margin:0;font-size:.875rem;font-variant-numeric:tabular-nums}.teacher-pulse-stack{display:flex;gap:2px;height:10px;overflow:hidden;border-radius:var(--r-pill);background:var(--surface-2)}.teacher-pulse-stack .teacher-pulse-fill{flex-basis:0;min-width:4px}.teacher-pulse-week-text{margin:0;color:var(--muted);font-size:.8125rem;line-height:1.45;font-variant-numeric:tabular-nums;text-wrap:pretty}@media(min-width:720px){.teacher-pulse-week{grid-template-columns:minmax(11rem,15rem) minmax(0,1fr);align-items:center;column-gap:var(--sp-8)}.teacher-pulse-week-head{grid-row:span 2;flex-direction:column;justify-content:center}}.teacher-tabs{display:flex;flex-wrap:wrap;gap:var(--sp-2) var(--sp-6)}.teacher-materials-tabs{border-bottom:1px solid var(--line)}.teacher-materials-tabs .teacher-tab{min-height:48px}@media(max-width:599.98px){.teacher-tabs{column-gap:var(--sp-4)}.teacher-tab{margin-bottom:0}}.teacher-tab{display:inline-flex;align-items:center;min-height:44px;margin-bottom:-1px;padding:var(--sp-4) var(--sp-2);border-bottom:3px solid transparent;color:var(--muted);font-weight:800;text-decoration:none}.teacher-tab:hover{color:var(--text)}.teacher-tab:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.teacher-tab.is-current{border-bottom-color:var(--accent);color:var(--text)}.teacher-week-kicker{color:var(--muted);font-size:.85rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.teacher-goal{display:grid;gap:var(--sp-3);max-width:520px}.teacher-goal-track{position:relative;height:14px;border-radius:var(--r-pill);background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line)}.teacher-goal-fill{position:absolute;inset:0 auto 0 0;border-radius:var(--r-pill);background:var(--premium);transform-origin:left center;animation:teacher-goal-fill .8s ease-out both}.teacher-goal-mark{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--warn-ink)}.teacher-goal-count{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-4);font-variant-numeric:tabular-nums;font-weight:800}.teacher-goal-done{display:inline-flex;align-items:center;gap:var(--sp-2);padding:var(--sp-1) var(--sp-4);border-radius:var(--r-pill);background:var(--premium);color:var(--premium-fg)}@keyframes teacher-goal-fill{0%{transform:scaleX(0)}}@media(prefers-reduced-motion:reduce){.teacher-goal-fill{animation:none}}.teacher-league-intro{display:grid;gap:var(--sp-2)}.teacher-league-intro p{margin:0;text-wrap:pretty}.teacher-league-week{font-weight:800}.teacher-league-board{margin:0;padding:0;list-style:none;display:grid}.teacher-league-row{display:flex;align-items:center;gap:var(--sp-4);min-height:48px;padding-block:var(--sp-2);border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}.teacher-league-row:last-child{border-bottom:0}.teacher-league-rank{min-width:3ch;font-weight:800;color:var(--muted)}.teacher-league-challenge{display:grid;gap:var(--sp-4);padding-top:var(--sp-6);border-top:1px solid var(--line)}.teacher-league-challenge>p{margin:0}.teacher-tools-action{justify-self:start}.teacher-tools-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--sp-8);margin-top:var(--sp-8)}@media(min-width:1200px){.teacher-tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.teacher-tools-cell{display:grid;gap:var(--sp-8);align-content:start;min-width:0}.teacher-tools-cell>:only-child{height:100%}.teacher-tools-cell:empty{display:none}.teacher-tools-cell--wide{grid-column:1/-1}.teacher-tools-cell .teacher-section>p{margin:0}.teacher-empty{display:flex;align-items:center;gap:var(--sp-4)}.teacher-art{flex:none;width:96px;height:96px;border-radius:var(--r-sm)}.teacher-art--sm{width:56px;height:56px}.teacher-code{padding:var(--sp-3) var(--sp-5);border-radius:var(--r-xs);background:var(--surface-2);font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:800;letter-spacing:.12em}.teacher-back{margin-bottom:var(--sp-6)}.teacher-back,.teacher-link--tap{min-height:44px}.teacher-x{justify-content:center;min-width:44px;min-height:44px;margin:-14px -10px}.teacher-students{margin-bottom:var(--sp-8)}.teacher-settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--sp-8)}.teacher-setting{display:grid;align-content:start;gap:var(--sp-4);min-width:0}.teacher-setting p{margin:0}.teacher-main .teacher-setting-title{margin:0;font-family:var(--font-display);font-size:var(--fs-lead);font-weight:700;text-wrap:balance}.teacher-setting-lead{text-wrap:pretty}.teacher-setting-form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:var(--sp-4)}.teacher-setting-form>.teacher-input-field,.teacher-setting-form>.teacher-select{flex:1 1 160px}.teacher-setting-form--level>.teacher-input-field{flex:1 1 13rem}.teacher-qr{width:min(100%,280px);height:auto;justify-self:center}.teacher-qr rect{fill:var(--scan-light)}.teacher-qr path{fill:var(--scan-dark)}.teacher-exam-link-text{display:flex;flex-direction:column;align-items:flex-start;gap:var(--sp-3);margin-top:var(--sp-3)}.teacher-exam-link-text p{margin:0}.teacher-exam-link-status{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.teacher-exam-link-url{-webkit-user-select:all;user-select:all;overflow-wrap:anywhere}.teacher-roster 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