.copy-btn{position:absolute;top:.5rem;right:.5rem;z-index:10;display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;border-radius:.375rem;border:1px solid rgba(255,255,255,.06);background:var(--color-bg-tertiary);color:var(--color-text-muted);cursor:pointer;opacity:0;transition:opacity .15s,color .15s,background-color .15s}pre:hover .copy-btn{opacity:1}.copy-btn:hover{color:var(--color-text-primary);background:var(--color-bg-elevated)}.copy-btn.copied{color:var(--color-success)}