.cur-subjects { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; }
.cur-subjects button { font-family: var(--f-tech); font-weight: 700; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; padding: 12px 16px; min-height: 46px; background: transparent; border: 1px solid var(--line-2); color: var(--muted); cursor: pointer; }
.cur-subjects button[aria-selected="true"] { border-color: var(--cyan); color: var(--text); background: rgba(76,195,255,.12); }
.cur-subjects .lab-tab[aria-selected="true"] { border-color: var(--yellow); background: rgba(255,210,31,.1); }
.unit-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; counter-reset: unit; }
@media (max-width: 400px) { .unit-list { grid-template-columns: 1fr; } }
.unit-card { padding: 20px; position: relative; }
.unit-card .num { font-family: var(--f-mono); font-size: 12px; color: var(--cyan); margin: 0 0 6px; display: flex; justify-content: space-between; gap: 8px; }
.unit-card h3 { margin: 0 0 10px; font-family: var(--f-tech); font-size: 19px; letter-spacing: .02em; }
.unit-card ol { margin: 0 0 12px; padding-left: 20px; color: var(--muted); font-size: 15px; line-height: 1.6; }
.unit-card .std { margin: 0; font-family: var(--f-mono); font-size: 12px; color: var(--muted-2); }
.unit-card .badge { font-family: var(--f-mono); font-size: 11px; padding: 2px 6px; border: 1px solid currentColor; }
.unit-card.done { border-color: rgba(110,231,168,.7); }
.unit-card.current { border-color: var(--yellow); box-shadow: 0 0 0 1px var(--yellow); }
.unit-card li.done { color: var(--ok); }