:root{--p-apricot:#ffae78;--p-apricot-hover:#ffa064;--p-apricot-active:#f3904d;--p-espresso:#30231d;--p-ivory:#fcf9f4;--p-paper:#fff;--p-sand:#f3ece3;--p-muted-light:#6e6057;--p-line-light:#ddd1c5;--p-edge-light:#897566;--p-brand-edge:#955028;--p-night:#211a15;--p-chocolate:#30251e;--p-raised-dark:#403128;--p-cream:#fff7ef;--p-muted-dark:#d0bdae;--p-line-dark:#624e3e;--p-edge-dark:#ae9580;--p-green-dark:#225e37;--p-green-light:#e6f3e8;--p-green-ink:#b6e4be;--p-green-surface:#233c2b;--p-red-dark:#a22c2c;--p-red-light:#fcecec;--p-red-ink:#ffb8b0;--p-red-surface:#482623;--p-amber-dark:#784b13;--p-amber-light:#fff0d6;--p-amber-ink:#ffd398;--p-amber-surface:#44351f;--p-blue-dark:#34546c;--p-blue-light:#eaf1f5;--p-blue-ink:#c3daeb;--p-blue-surface:#263843;--p-bronze:#e3ab7b;--p-bronze-surface:#3b2b21;--p-silver:#d0d9e1;--p-silver-surface:#30363e;--p-gold:#f1ce75;--p-gold-surface:#3d331f;--p-font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--p-font-caption:.875rem;--p-font-body:1rem;--p-font-lead:1.125rem;--p-font-section:1.5rem;--p-font-title:2rem;--p-font-score:3rem;--p-line-body:1.5;--p-line-heading:1.2;--p-weight-body:400;--p-weight-strong:600;--p-weight-title:700;--p-radius-control:.75rem;--p-radius-card:1rem;--p-radius-pill:999px;--p-space-1:.25rem;--p-space-2:.5rem;--p-space-3:.75rem;--p-space-4:1rem;--p-space-6:1.5rem;--p-space-8:2rem;--p-space-12:3rem;--p-control-height:3rem;--p-target-min:2.75rem;--p-sidebar-width:14.5rem;--p-content-max:90rem;--p-duration-fast:.12s;--p-duration-normal:.18s;--p-shadow-panel:0 8px 28px #30231d1a}:root,[data-theme=teacher]{--brand:var(--p-apricot);--brand-hover:var(--p-apricot-hover);--brand-active:var(--p-apricot-active);--on-brand:var(--p-espresso);--brand-edge:var(--p-brand-edge);--font:var(--p-font-family);--body-size:var(--p-font-body);--body-leading:var(--p-line-body);--control-height:var(--p-control-height);--target-min:var(--p-target-min);--section-gap:var(--p-space-8);--card-gap:var(--p-space-6);--control-radius:var(--p-radius-control);--card-radius:var(--p-radius-card);--bg:var(--p-ivory);--surface:var(--p-paper);--surface-raised:var(--p-sand);--text:var(--p-espresso);--muted:var(--p-muted-light);--line:var(--p-line-light);--edge:var(--p-edge-light);--focus:var(--p-espresso);--link:var(--p-brand-edge);--success-bg:var(--p-green-light);--success-text:var(--p-green-dark);--error-bg:var(--p-red-light);--error-text:var(--p-red-dark);--warning-bg:var(--p-amber-light);--warning-text:var(--p-amber-dark);--info-bg:var(--p-blue-light);--info-text:var(--p-blue-dark);--achievement-1:var(--p-bronze);--achievement-1-bg:var(--p-bronze-surface);--achievement-2:var(--p-silver);--achievement-2-bg:var(--p-silver-surface);--achievement-3:var(--p-gold);--achievement-3-bg:var(--p-gold-surface);--c-button-primary-bg:var(--brand);--c-button-primary-text:var(--on-brand);--c-button-primary-border:var(--brand-edge);--c-button-hover-bg:var(--brand-hover);--c-button-active-bg:var(--brand-active);--c-button-disabled-bg:var(--surface-raised);--c-button-disabled-text:var(--muted);--c-button-radius:var(--control-radius);--c-button-height:var(--control-height);--c-nav-selected-bg:var(--brand);--c-nav-selected-text:var(--on-brand);--c-input-bg:var(--surface);--c-input-text:var(--text);--c-input-border:var(--edge);--c-input-radius:var(--control-radius);--c-card-bg:var(--surface);--c-card-border:var(--line);--c-card-radius:var(--card-radius);--c-badge-radius:var(--control-radius);--c-focus-color:var(--focus)}[data-theme=student]{--brand:var(--p-apricot);--brand-hover:var(--p-apricot-hover);--brand-active:var(--p-apricot-active);--on-brand:var(--p-espresso);--brand-edge:var(--p-brand-edge);--font:var(--p-font-family);--body-size:var(--p-font-body);--body-leading:var(--p-line-body);--control-height:var(--p-control-height);--target-min:var(--p-target-min);--section-gap:var(--p-space-8);--card-gap:var(--p-space-6);--control-radius:var(--p-radius-control);--card-radius:var(--p-radius-card);--bg:var(--p-night);--surface:var(--p-chocolate);--surface-raised:var(--p-raised-dark);--text:var(--p-cream);--muted:var(--p-muted-dark);--line:var(--p-line-dark);--edge:var(--p-edge-dark);--focus:var(--p-apricot);--link:var(--p-apricot);--success-bg:var(--p-green-surface);--success-text:var(--p-green-ink);--error-bg:var(--p-red-surface);--error-text:var(--p-red-ink);--warning-bg:var(--p-amber-surface);--warning-text:var(--p-amber-ink);--info-bg:var(--p-blue-surface);--info-text:var(--p-blue-ink);--achievement-1:var(--p-bronze);--achievement-1-bg:var(--p-bronze-surface);--achievement-2:var(--p-silver);--achievement-2-bg:var(--p-silver-surface);--achievement-3:var(--p-gold);--achievement-3-bg:var(--p-gold-surface);--c-button-primary-bg:var(--brand);--c-button-primary-text:var(--on-brand);--c-button-primary-border:var(--brand-edge);--c-button-hover-bg:var(--brand-hover);--c-button-active-bg:var(--brand-active);--c-button-disabled-bg:var(--surface-raised);--c-button-disabled-text:var(--muted);--c-button-radius:var(--control-radius);--c-button-height:var(--control-height);--c-nav-selected-bg:var(--brand);--c-nav-selected-text:var(--on-brand);--c-input-bg:var(--surface);--c-input-text:var(--text);--c-input-border:var(--edge);--c-input-radius:var(--control-radius);--c-card-bg:var(--surface);--c-card-border:var(--line);--c-card-radius:var(--card-radius);--c-badge-radius:var(--control-radius);--c-focus-color:var(--focus)}
.polot{background:var(--bg);color:var(--text);min-height:100svh;font-family:var(--font);font-size:var(--body-size);line-height:var(--body-leading)}.polot *{box-sizing:border-box}.polot :focus-visible{outline:3px solid var(--focus);outline-offset:3px}.polot h1{margin:0 0 12px;font-size:2rem;font-weight:700;line-height:1.2}.polot h2{margin-bottom:16px;font-size:1.5rem;font-weight:700}.polot p{margin-bottom:16px}.polot .muted{color:var(--muted)}.polot .stack{gap:20px;display:grid}.polot .row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.polot .between{justify-content:space-between}.polot .button{min-height:var(--control-height);border-radius:var(--control-radius);background:var(--brand);border:1px solid var(--brand-edge);color:var(--on-brand);cursor:pointer;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-weight:600;text-decoration:none;display:inline-flex}.polot .button:hover{background:var(--brand-hover)}.polot .button.secondary{background:var(--surface);border-color:var(--edge);color:var(--text)}.polot .button.danger{background:var(--error-bg);border-color:var(--error-text);color:var(--error-text)}.polot .button.danger:hover{background:var(--error-bg);text-decoration:underline}.polot .skip-link{z-index:50;background:var(--surface);color:inherit;border-radius:10px;padding:10px 16px;font-weight:700;position:absolute;top:-48px;left:12px}.polot .skip-link:focus{top:12px}.polot .main:focus{outline:none}.polot .delete-confirm{border:1px solid var(--error-text);border-radius:12px;max-width:32rem;padding:12px 16px}.polot .delete-confirm p{margin:0}.polot button:disabled{cursor:wait;opacity:.65}.polot input,.polot select,.polot textarea{width:100%;min-height:var(--control-height);border:1px solid var(--edge);border-radius:var(--control-radius);background:var(--surface);color:var(--text);font:inherit;padding:10px 14px}.polot textarea{resize:vertical}.polot input[type=checkbox]{width:20px;min-height:20px;accent-color:var(--brand-edge)}.polot label{gap:8px;font-weight:600;display:grid}.polot .card{border:1px solid var(--line);background:var(--surface);border-radius:var(--card-radius);padding:24px}.polot .notice{background:var(--surface-raised);border-radius:12px;padding:16px}.polot .error{color:var(--error-text);background:var(--error-bg);border-radius:12px;padding:12px 16px}.polot .success{color:var(--success-text);background:var(--success-bg);border-radius:12px;padding:12px 16px}.polot .badge{background:var(--surface-raised);color:var(--muted);border-radius:12px;padding:5px 12px;font-size:.875rem;display:inline-flex}.polot .badge.active{background:var(--success-bg);color:var(--success-text)}.polot .shell{grid-template-columns:var(--p-sidebar-width) minmax(0,1fr);min-height:100svh;display:grid}.polot aside{border-right:1px solid var(--line);flex-direction:column;gap:32px;padding:28px 16px;display:flex}.polot .brand{color:inherit;align-items:center;gap:12px;padding:0 12px;font-size:24px;font-weight:700;text-decoration:none;display:flex}.polot nav{gap:8px;display:grid}.polot nav a{border-radius:12px;align-items:center;gap:12px;min-height:48px;padding:12px 16px;display:flex}.polot nav a[aria-current=page]{background:var(--brand);color:var(--on-brand)}.polot .sidebar-bottom{margin-top:auto}.polot .main{width:100%;max-width:1250px;padding:36px 40px}.polot .crumb{color:var(--muted);margin-bottom:24px;font-size:.875rem;display:block}.polot .page-header{justify-content:space-between;align-items:start;gap:24px;margin-bottom:24px;display:flex}.polot .table-wrap{border:1px solid var(--line);background:var(--surface);border-radius:16px;overflow-x:auto}.polot table{border-collapse:collapse;text-align:left;width:100%}.polot td,.polot th{border-bottom:1px solid var(--line);padding:18px 24px}.polot th{background:var(--bg);font-size:.875rem;font-weight:600}.polot tr:last-child td{border-bottom:0}.polot td a{text-underline-offset:4px;align-items:center;min-height:44px;text-decoration:underline;display:inline-flex}.polot .empty{text-align:center;padding:56px 24px}.polot .empty svg{color:var(--muted);margin:0 auto 20px}.polot .two-col{grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);gap:24px;display:grid}.polot .auth-shell{place-items:center;min-height:100svh;padding:48px 24px;display:grid}.polot .auth-card{width:100%;max-width:440px}.polot .mobile{background:var(--bg);min-height:100svh;color:var(--text);padding:24px 20px}.polot .mobile-inner{max-width:440px;margin:auto}.polot .password{position:relative}.polot .password input{padding-right:60px}.polot .password button{cursor:pointer;place-items:center;min-width:44px;min-height:44px;display:grid;position:absolute;top:2px;right:4px}.polot .text-link{color:var(--link);text-underline-offset:4px;align-items:center;min-height:44px;text-decoration:underline;display:inline-flex}.polot .preserve-lines{white-space:pre-wrap}.polot .class-counts{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-bottom:24px;display:grid}.polot .class-count{gap:4px;text-decoration:none;display:grid}.polot .class-count strong{font-size:2rem;line-height:1}.polot .filters{grid-template-columns:repeat(3,minmax(150px,1fr)) auto;align-items:end;gap:12px;margin-bottom:32px;display:grid}.polot .work-group{margin-top:28px}.polot .pagination{justify-content:space-between;gap:12px;margin-top:24px;display:flex}.polot .work-group h2{margin-bottom:0}.polot .recipient-row,.polot .page-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:12px 0;display:flex}.polot .recipient-row>span{gap:2px;display:grid}.polot .recipient-row small,.polot .page-row small{display:block}.polot .page-order{border:1px solid var(--line);border-radius:12px;padding:0 14px}.polot .page-row:last-child,.polot .recipient-row:last-child{border-bottom:0}.polot .upload-fieldset{border:0;min-width:0;padding:0}.polot .upload-fieldset legend{margin-bottom:8px;font-weight:600}.polot .upload-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.polot .upload-button{text-align:center;width:100%;min-width:0;position:relative}.polot .upload-button input{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;min-height:0;margin:-1px;padding:0;position:absolute;overflow:hidden}.polot .submission-files{display:none}.polot .upload-button.disabled{cursor:not-allowed;opacity:.55}.polot .page-thumbnail{border:1px solid var(--line);background:var(--bg);border-radius:10px;flex:0 0 88px;place-items:center;width:88px;height:104px;display:grid;overflow:hidden}.polot .page-thumbnail img{object-fit:cover;width:100%;height:100%}.polot .page-thumbnail>span{color:var(--muted);text-align:center;justify-items:center;gap:6px;padding:8px;display:grid}.polot .page-file{flex:1;gap:3px;min-width:0;display:grid}.polot .page-file small{overflow-wrap:anywhere}.polot .page-actions{flex-wrap:nowrap}.polot .icon-button{border:1px solid var(--edge);background:var(--surface);width:44px;height:44px;color:var(--text);cursor:pointer;border-radius:10px;place-items:center;display:grid}.polot .icon-button:disabled{cursor:not-allowed;opacity:.35}.polot .page-links{gap:10px;display:grid}.polot .work-page-gallery{gap:20px;display:grid}.polot .grading-layout{grid-template-columns:minmax(0,.9fr) minmax(560px,1.35fr);align-items:start;gap:24px;display:grid}.polot .essay-text{border:1px solid var(--line);background:var(--bg);border-radius:12px;min-height:420px;max-height:70svh;padding:24px;font-size:1.05rem;line-height:1.75;overflow:auto}.polot .rubric-table{border:1px solid var(--line);border-radius:14px;overflow:visible}.polot .rubric-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(260px,1fr) 90px 130px;align-items:start;display:grid}.polot .rubric-row:last-child{border-bottom:0}.polot .rubric-row>*{min-width:0;padding:14px 16px}.polot .rubric-row>:not(:first-child){border-left:1px solid var(--line);text-align:center}.polot .rubric-head{background:var(--bg);font-size:.875rem;font-weight:600}.polot .rubric-row.changed{background:color-mix(in srgb,var(--brand) 14%,var(--surface))}.polot .rubric-row select{min-height:42px;padding:7px 10px}.polot .rubric-row details{color:var(--muted);margin-top:8px;font-size:.875rem}.polot .rubric-row details summary{cursor:pointer;text-underline-offset:3px;text-decoration:underline}.polot .rubric-row details ul{margin:8px 0 0 18px}.polot .rubric-total{background:var(--surface-raised);align-items:center}.polot .criterion-help{max-width:100%;display:inline-flex;position:relative}.polot .criterion-help>button{color:var(--link);text-underline-offset:3px;text-align:left;cursor:help;text-decoration:underline}.polot .criterion-popover{z-index:20;border:1px solid var(--edge);background:var(--surface);width:min(460px,70vw);max-height:420px;color:var(--text);text-align:left;border-radius:14px;padding:20px;position:absolute;top:calc(100% + 8px);left:0;overflow:auto;box-shadow:0 18px 50px #2c20192e}.polot .criterion-popover p{margin:10px 0}.polot .grade-actions{justify-content:flex-end}.polot .grade-page-sections{gap:28px}.polot .feedback-panel{width:100%;max-width:920px;margin-left:auto}.polot .feedback-panel textarea{resize:vertical;line-height:1.55}.polot .feedback-next-step{border:1px solid var(--line);background:var(--surface-raised);border-radius:12px;grid-template-columns:minmax(220px,.75fr) minmax(300px,1.25fr);gap:16px;padding:18px;display:grid}.polot .student-score{border:1px solid var(--line);background:var(--surface-raised);text-align:center;border-radius:16px;justify-items:center;gap:6px;padding:24px;display:grid}.polot .student-score>strong{color:var(--brand);font-size:clamp(2.5rem,12vw,4.5rem);line-height:1}.polot .student-score>small{color:var(--muted)}.polot .student-feedback,.polot .student-next-step{border:1px solid var(--line);background:var(--surface-raised);border-radius:14px;padding:18px}.polot .student-feedback h3,.polot .student-next-step h3{margin-bottom:8px}.polot .student-feedback p,.polot .student-next-step p{margin-bottom:0;line-height:1.6}.polot .student-next-step>span{color:var(--muted);margin-bottom:6px;display:block}.polot .student-grade{border:1px solid var(--line);background:var(--surface-raised);border-radius:12px;padding:16px}.polot .student-grade summary{cursor:pointer}.polot .student-grade dl{gap:8px;margin-top:14px;display:grid}.polot .student-grade dl div{justify-content:space-between;gap:16px;display:flex}.polot .student-grade dd{white-space:nowrap;font-weight:700}.polot .student-criteria{border:1px solid var(--line);background:var(--surface-raised);border-radius:14px;margin:0;display:grid}.polot .student-criteria div{justify-content:space-between;align-items:center;gap:16px;min-height:44px;padding:12px 18px;display:flex}.polot .student-criteria div+div{border-top:1px solid var(--line)}.polot .student-criteria dd{white-space:nowrap;margin:0;font-weight:700}.polot .student-result-actions{text-align:center;justify-items:center}.polot .student-result-actions .button{width:100%}.polot .student-result-actions p{margin:0}.polot .publish-preview{border:1px dashed var(--edge);border-radius:12px;gap:12px;padding:16px;display:grid}.polot .publish-preview h3{margin:0}.polot .publish-preview dl{gap:6px;margin:0;display:grid}.polot .publish-preview dl div{justify-content:space-between;gap:16px;display:flex}.polot .publish-preview dd{margin:0;font-weight:700}.polot .publish-preview p{margin:0}.polot .student-task-card,.polot .student-attempt{color:inherit;justify-content:space-between;align-items:center;gap:12px;text-decoration:none;display:flex}.polot .student-task-card:hover,.polot .student-attempt:hover{border-color:var(--brand)}.polot .student-task-card>svg,.polot .student-attempt>svg{color:var(--muted);flex:none}.polot .student-task-card .stack,.polot .student-attempt .stack{gap:6px;min-width:0}.polot .student-task-title{margin:8px 0 4px;font-size:1.15rem;display:block}.polot .student-attempt strong .badge{vertical-align:middle;margin-left:8px}.polot .student-status{color:var(--muted)}.polot .student-status.graded{color:inherit}.polot .student-status.graded strong{color:var(--brand)}.polot .student-task-prompt summary{cursor:pointer}.polot .student-task-prompt p{margin:12px 0 0}.polot .student-photos{scroll-snap-type:x mandatory;gap:12px;padding-bottom:6px;display:flex;overflow-x:auto}.polot .student-photos>a,.polot .student-photo-missing{scroll-snap-align:start;flex:none;width:min(62vw,220px)}.polot .student-photos>a{color:inherit;gap:6px;text-decoration:none;display:grid}.polot .student-photos img{aspect-ratio:3/4;object-fit:cover;border:1px solid var(--line);background:var(--bg);border-radius:12px;width:100%}.polot .student-photos>a span{color:var(--muted);font-size:.9rem}.polot .student-photo-missing{aspect-ratio:3/4;border:1px dashed var(--line);color:var(--muted);text-align:center;border-radius:12px;place-items:center;padding:12px;display:grid}@media (max-width:1000px){.polot .grading-layout{grid-template-columns:1fr}}@media (max-width:720px){.polot .rubric-table{overflow-x:auto}.polot .rubric-row{min-width:620px}.polot .criterion-popover{width:auto;max-height:calc(100svh - 24px);position:fixed;inset:12px}.polot .feedback-next-step{grid-template-columns:1fr}}.polot .task-compose{grid-template-columns:minmax(0,1.45fr) minmax(300px,1fr);align-items:start;gap:24px;display:grid}.polot .two-col.even{grid-template-columns:repeat(2,minmax(0,1fr))}.polot .two-col.top{align-items:start}.polot .task-rules h2{margin:0;font-size:1rem}.polot .task-scoring{gap:4px;margin:0;display:grid}.polot 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