.copy-btn{border:1px solid var(--border);background:var(--card);color:var(--muted-foreground);cursor:pointer;opacity:0;border-radius:.375rem;justify-content:center;align-items:center;padding:.35rem;transition:opacity .15s,background .15s,color .15s;display:flex;position:absolute;top:.5rem;right:.5rem}pre:hover .copy-btn{opacity:1}.copy-btn:hover{background:var(--muted);color:var(--foreground)}