/* M-65: scoped task links; retain the existing teacher-workspace tokens. */
.work-nav{display:flex;flex-wrap:wrap;gap:4px 8px;padding:0 0 12px;border-bottom:1px solid var(--line);margin:0 0 14px;min-width:0}
.work-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border-radius:var(--r-sm);color:var(--muted);font-weight:600;text-decoration:none}
.work-nav a:hover{background:var(--soft);color:var(--ink)}
.work-nav a.on{background:var(--pri-s);color:var(--pri-t)}
.work-nav a:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
@media(max-width:520px){.work-nav{gap:4px}.work-nav a{flex:1;padding:0 8px;white-space:nowrap}}
.bk-class-sent .bk-srow{grid-template-columns:minmax(0,1fr) minmax(0,.7fr) auto auto 116px}
.bk-class-sent .bk-srow>*{min-width:0;overflow-wrap:anywhere}
@media(max-width:600px){.bk-class-sent .bk-srow{grid-template-columns:minmax(0,1fr) auto}.bk-class-sent .bk-srow>b{grid-column:1 / -1}.bk-class-sent .bk-srow .go{grid-column:2}}