.reference-controls{display:grid;gap:14px;margin:20px 0}.reference-filters{display:flex;gap:8px;flex-wrap:wrap}.reference-filters button{font-size:14px;min-height:44px;padding:10px 16px;background:#bfeaff0b;border:1px solid var(--line);border-radius:18px;color:var(--muted);transition:background .2s,transform .2s}.reference-filters button[aria-pressed=true]{color:var(--text);background:#bfeaff20;border-color:var(--accent)}.reference-filters button:active{transform:scale(.97)}.reference-filters button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.knowledge-card .knowledge-refresh{font-size:14px;min-height:44px;margin-top:12px}body.light .reference-filters button{background:#fff6}body.light .reference-filters button[aria-pressed=true]{background:#fff}
@media(prefers-reduced-motion:reduce){.reference-filters button{transition:none}}