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12px;border-bottom:1px solid var(--sunken);cursor:pointer}.cls-pick-row:last-child{border-bottom:none}.cls-pick-row:hover{background:var(--ink-wash)}.cls-pick-row input{accent-color:var(--brand);width:16px;height:16px;flex:none}.cls-pick-row[data-disabled=true]{cursor:default;opacity:.55}.cls-pick-title{display:grid;gap:2px;min-width:0;flex:1}.cls-pick-title strong{font-weight:500;color:var(--ink);overflow-wrap:anywhere}.cls-pick-title span{font-size:var(--step--2);color:var(--ink-3)}.cls-radios{display:grid;gap:8px}.cls-radio{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;font-size:var(--step--1)}.cls-radio:has(input:checked){border-color:var(--brand);background:var(--brand-wash)}.cls-radio input{accent-color:var(--brand)}.cls-page{gap:24px}.cls-page,.cls-page-body{display:flex;flex-direction:column}.cls-page-body{gap:18px}.cls-hero{position:relative;padding:22px clamp(16px,2.6vw,28px) 4px;background:var(--surface);border:1px solid var(--line);border-top:10px solid var(--cls-tint);border-radius:var(--radius-section);box-shadow:var(--lift-1)}.cls-hero-main{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:20px 24px;align-items:start;padding:0 0 20px}.cls-hero-ring{align-self:center}.cls-title{font-family:var(--font-display),sans-serif;font-size:clamp(1.75rem,1.4rem + 1.2vw,2.125rem);font-weight:700;line-height:1.1;margin:0;overflow-wrap:anywhere;letter-spacing:-.01em}.cls-title[data-placeholder=true]{color:var(--ink-3);font-style:italic}.cls-hero-meta{display:flex;align-items:center;gap:8px 10px;flex-wrap:wrap;margin-top:10px;font-size:var(--step--1);color:var(--ink-2)}.cls-hero-desc{margin:10px 0 0;max-width:64ch;color:var(--ink-2);font-size:var(--step-0);white-space:pre-wrap;overflow-wrap:anywhere}.cls-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;align-items:center}.cls-notice{margin-top:14px;display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:var(--radius-sm);font-size:var(--step--1);background:var(--warn-wash);color:var(--warn)}.cls-notice[data-tone=hidden]{background:var(--wrong-wash);color:var(--wrong)}.cls-invite-banner{margin-top:16px;display:flex;gap:14px 20px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:14px 16px;border-radius:var(--radius);background:var(--brand-wash);border:1px solid var(--brand-edge)}.cls-invite-banner strong{color:var(--ink);font-size:var(--step-0)}.cls-invite-banner p{margin:4px 0 0;font-size:var(--step--1);color:var(--ink-2);max-width:60ch}.cls-invite-banner-actions{display:flex;gap:8px;flex-wrap:wrap}.cls-hero .lib-tabs{margin:0 0 18px}@media (max-width:760px){.cls-hero-main{grid-template-columns:minmax(0,1fr);gap:14px}.cls-hero-ring{justify-self:stretch}.cls-hero .cls-mark-lg{--cls-size:52px;border-radius:15px}.cls-hero .cls-mark-lg svg{width:26px;height:26px}}.cls-ring{display:grid;grid-template-columns:auto auto;justify-content:start;align-items:center;gap:14px;padding:12px 16px 12px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--lift-1)}.cls-ring svg{display:block}.cls-ring-track{stroke:var(--sunken)}.cls-ring-fill{stroke:var(--progress);transition:stroke-dashoffset 1.1s var(--ease-rise)}.cls-ring[data-met=true] .cls-ring-fill{stroke:var(--correct)}.cls-ring-pct{font-family:var(--font-display),sans-serif;font-weight:600;font-size:15px;fill:var(--ink)}.cls-ring-text{display:grid;gap:2px;min-width:0}.cls-ring-text strong{font-size:var(--step--1);color:var(--ink);font-variant-numeric:tabular-nums}.cls-ring-text span{font-size:var(--step--2);color:var(--ink-3)}@media (max-width:760px){.cls-ring{border-radius:var(--radius)}}@media (prefers-reduced-motion:reduce){.cls-bar>span,.cls-ring-fill{transition:none}}.cls-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}.cls-aside,.cls-main{display:grid;gap:30px;min-width:0}@media (max-width:960px){.cls-layout{grid-template-columns:minmax(0,1fr);gap:30px}}.cls-single{display:grid;grid-template-columns:minmax(0,1fr);gap:28px}.cls-section-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.cls-section-head h2{font-family:var(--font-display),system-ui,sans-serif;font-size:1.125rem;font-weight:700;margin:0;color:var(--ink);display:flex;align-items:center;gap:8px}.cls-section-head h2 .cls-count-pill{font-size:var(--step--2);font-weight:600;color:var(--ink-3);background:var(--sunken);border-radius:999px;padding:1px 8px}.cls-blank{border:1px dashed var(--field-edge);border-radius:var(--radius);padding:18px;color:var(--ink-3);font-size:var(--step--1);background:var(--surface)}.cls-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.cls-task{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;transition:border-color .16s ease}.cls-task:hover{border-color:var(--line-hover)}.cls-task[data-done=true] .cls-due-title{color:var(--ink-2)}.cls-task-actions{display:flex;align-items:center;gap:6px}.cls-task-progress{display:flex;align-items:center;gap:10px;margin-top:2px}.cls-task-progress .cls-bar{width:140px}.cls-task-progress span{font-size:var(--step--2);color:var(--ink-3);font-variant-numeric:tabular-nums}@media (max-width:560px){.cls-task{grid-template-columns:auto minmax(0,1fr)}.cls-task-actions{grid-column:1/-1;justify-content:flex-end}.cls-task-actions .cv-btn{flex:1}}.cls-set{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px}.cls-set[data-available=false]{background:var(--sunken)}.cls-set-title{font-weight:600;color:var(--ink);overflow-wrap:anywhere}.cls-set-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:var(--step--1);color:var(--ink-3);margin-top:3px}.cls-set-modes{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.cls-mode-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;font-size:var(--step--1);font-weight:500;transition:border-color .14s ease,color .14s ease,background .14s ease}.cls-mode-link:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-wash)}.cls-mode-link:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.cls-folder{margin-top:18px}.cls-folder-head{display:flex;align-items:center;gap:8px;margin:0 0 8px;font-size:var(--step--1);font-weight:600;color:var(--ink-2)}@media (max-width:640px){.cls-set{grid-template-columns:minmax(0,1fr)}.cls-set-modes{justify-content:flex-start}}.cls-ann{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}.cls-ann+.cls-ann{margin-top:8px}.cls-ann-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:var(--step--2);color:var(--ink-3)}.cls-ann-head strong{color:var(--ink-2);font-weight:600;font-size:var(--step--1)}.cls-ann-body{margin:8px 0 0;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink);line-height:1.55}.cls-ann-tools{margin-left:auto;display:flex;gap:2px}.cls-composer{display:grid;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px;margin-bottom:10px}.cls-composer textarea{border:none;padding:4px 2px;min-height:60px;resize:vertical;font:inherit;color:var(--ink);background:transparent;line-height:1.5}.cls-composer textarea:focus{outline:none}.cls-composer:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-edge)}.cls-composer-foot{display:flex;align-items:center;justify-content:space-between;gap:10px}.cls-board{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}.cls-board ol{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:2px}.cls-board li{display:grid;grid-template-columns:26px minmax(0,1fr) auto auto;align-items:center;gap:10px;padding:7px 6px;border-radius:var(--radius-sm);font-size:var(--step--1)}.cls-board li[data-me=true]{background:var(--brand-wash)}.cls-board-rank{font-family:var(--font-display),sans-serif;font-weight:600;color:var(--ink-3);text-align:center;font-variant-numeric:tabular-nums}.cls-board li:first-child .cls-board-rank{color:var(--chart-2)}.cls-board-name{color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cls-board-streak{display:inline-flex;align-items:center;gap:3px;color:var(--ink-2);font-variant-numeric:tabular-nums}.cls-board-cards{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums;min-width:3ch;text-align:right}.cls-board-foot{margin-top:12px;padding-top:12px;border-top:1px solid var(--sunken)}.cls-board-sub{margin:2px 0 0;font-size:var(--step--2);color:var(--ink-3)}.cls-feed{list-style:none;margin:0;padding:0 0 0 4px;display:grid}.cls-feed li{position:relative;padding:0 0 14px 20px;font-size:var(--step--1);color:var(--ink-2)}.cls-feed li:before{content:"";position:absolute;left:0;top:6px;width:7px;height:7px;border-radius:50%;background:var(--surface);border:2px solid var(--progress)}.cls-feed li:after{content:"";position:absolute;left:4px;top:16px;bottom:0;width:1px;background:var(--line)}.cls-feed li:last-child:after{display:none}.cls-feed strong{color:var(--ink);font-weight:600}.cls-feed time{display:block;font-size:var(--step--2);color:var(--ink-3);margin-top:1px}.cls-matrix-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.cls-matrix{border-collapse:separate;border-spacing:0;width:100%;font-size:var(--step--1)}.cls-matrix td,.cls-matrix th{padding:10px 12px;border-bottom:1px solid var(--sunken);text-align:left;white-space:nowrap}.cls-matrix thead th{position:sticky;top:0;background:var(--surface);font-weight:600;color:var(--ink-2);vertical-align:bottom}.cls-matrix td:first-child,.cls-matrix th:first-child{position:sticky;left:0;background:var(--surface);z-index:1;border-right:1px solid var(--line)}.cls-matrix tbody tr:hover td{background:var(--ink-wash)}.cls-matrix tbody tr:hover td:first-child{background:color-mix(in srgb,var(--ink) 4%,var(--surface))}.cls-matrix-col{display:grid;gap:3px;max-width:160px}.cls-matrix-col span:first-child{display:inline-flex;align-items:center;gap:5px;color:var(--ink-3);font-weight:500;font-size:var(--step--2);text-transform:uppercase;letter-spacing:.05em}.cls-matrix-col strong{font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis}.cls-cell{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}.cls-cell[data-state=done]{color:var(--correct);font-weight:600}.cls-cell[data-state=in_progress]{color:var(--progress-ink)}.cls-cell[data-state=not_started]{color:var(--ink-3)}.cls-cell[data-late=true]{color:var(--wrong)}.cls-cell-ring{width:16px;height:16px;flex:none}.cls-matrix-total{font-size:var(--step--2);color:var(--ink-3);font-weight:500}.cls-miss-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.cls-miss{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}.cls-miss-card{display:grid;gap:4px;min-width:0}.cls-miss-front{font-weight:600;color:var(--ink);overflow-wrap:anywhere}.cls-miss-back{color:var(--ink-2);font-size:var(--step--1);overflow-wrap:anywhere}.cls-miss-set{font-size:var(--step--2);color:var(--ink-3)}.cls-miss-stat{display:grid;gap:6px}.cls-miss-stat strong{font-size:var(--step--1);color:var(--ink);font-variant-numeric:tabular-nums}.cls-miss-stat .cls-bar>span{background:var(--wrong)}@media (max-width:640px){.cls-miss{grid-template-columns:1fr}}.cls-people{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.cls-person{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:12px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--sunken)}.cls-person:last-child{border-bottom:none}.cls-avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:none;background:var(--sunken);color:var(--ink-2);font-weight:600;font-size:13px;letter-spacing:.02em}.cls-person[data-role=co_teacher] .cls-avatar,.cls-person[data-role=owner] .cls-avatar{background:var(--brand-wash);color:var(--brand)}.cls-person-name{font-weight:500;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cls-person-meta{font-size:var(--step--2);color:var(--ink-3)}.cv-menu.cls-menu-panel{min-width:210px}@media (max-width:560px){.cls-person{grid-template-columns:auto minmax(0,1fr) auto}.cls-person>.cls-chip{display:none}}.cls-settings{display:grid;gap:26px;max-width:680px}.cls-settings-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:grid;gap:16px}.cls-settings-card h3{margin:0;font-size:var(--step-0);font-weight:600}.cls-settings-card p{margin:0;font-size:var(--step--1);color:var(--ink-2)}.cls-danger{border-color:var(--wrong-edge)}.cls-danger h3{color:var(--wrong)}