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0;font-family:var(--font-prose)}.sync-dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:var(--space-2);vertical-align:middle;background:var(--correct);transition:background var(--transition)}.sync-dot--syncing{background:var(--warn);animation:sync-pulse 1.2s ease-in-out infinite}.sync-dot--error{background:var(--incorrect)}@keyframes sync-pulse{0%,to{opacity:.35}50%{opacity:1}}.class-tabs{display:flex;gap:var(--space-2);flex-wrap:wrap;margin-bottom:var(--space-5)}.class-tab{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:1px solid var(--rule);border-radius:var(--radius-full);background:var(--paper-raised);font-size:var(--text-sm);transition:border-color var(--transition),background var(--transition)}.class-tab:hover{border-color:var(--accent)}.class-tab--current{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.class-tab__count{font-size:var(--text-xs);opacity:.7;font-variant-numeric:tabular-nums}.reteach-notice{border-color:var(--warn);background:var(--warn-soft);margin-bottom:var(--space-6)}.empty-class,.new-class{display:grid;gap:var(--space-3)}.join-code{font-family:var(--font-mono);font-size:var(--text-3xl);letter-spacing:.18em;color:var(--accent);padding:var(--space-4);background:var(--paper-sunken);border-radius:var(--radius);text-align:center}.misconception-mini{list-style:none;padding:0;margin:var(--space-2) 0 0;font-size:var(--text-xs);color:var(--ink-muted);display:grid;gap:2px}.misconception-mini span{color:var(--ink-faint)}.join-input{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;max-width:12ch}.assignment-list,.assignment{display:grid;gap:var(--space-3)}.assignment__head{display:flex;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap;align-items:flex-start}.assignment__title{font-size:var(--text-lg)}.assignment__meta{font-size:var(--text-sm);color:var(--ink-muted);margin-top:var(--space-1)}.assignment__note{font-size:var(--text-sm);font-style:italic;color:var(--ink-muted);margin-top:var(--space-2)}.assignment__badges{display:flex;gap:var(--space-2);flex-wrap:wrap}.assignment__hardest{font-size:var(--text-sm);color:var(--warn)}.assignment__remaining{font-size:var(--text-xs);color:var(--ink-muted)}.assignment__actions{display:flex;justify-content:flex-end}.assignment-form{margin-bottom:var(--space-4)}.assignment-form form{display:grid;gap:var(--space-5)}.concept-picker{display:flex;flex-wrap:wrap;gap:var(--space-2);max-height:190px;overflow-y:auto;padding:var(--space-3);background:var(--paper-sunken);border-radius:var(--radius)}.concept-picker .chip{cursor:pointer}.target-options{display:grid;gap:var(--space-3)}.target-option{display:flex;gap:var(--space-3);align-items:flex-start;padding:var(--space-3);border:1px solid var(--rule);border-radius:var(--radius);cursor:pointer}.target-option:hover{border-color:var(--accent)}.target-option input{margin-top:3px}.target-option span{display:grid;gap:2px}.target-option__note{font-size:var(--text-sm);color:var(--ink-muted)}.target-detail{padding-left:var(--space-6)}.target-detail input[type=range]{accent-color:var(--accent);max-width:240px}.target-detail input[type=number]{max-width:8ch}.recommendation--done{opacity:.62}