.code-block-copy-btn{position:absolute;top:8px;right:8px;display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:rgba(255,255,255,.9);border:1px solid var(--border-subtle,#e5e7eb);border-radius:6px;color:var(--text-muted,#6b7280);cursor:pointer;transition:all .2s ease;opacity:0;z-index:10}.code-block:hover .code-block-copy-btn{opacity:1}.code-block-copy-btn:hover{background:rgba(255,255,255,1);color:var(--text-primary,#374151)}.code-block-copy-btn:active{transform:translateY(0)}.code-block-copy-btn svg{width:16px;height:16px;flex-shrink:0}.code-block-copy-btn.copied{background:rgba(34,197,94,.15);border-color:#22c55e;color:#22c55e}.code-block-copy-btn.copied svg{animation:copy-success .3s ease-out}@keyframes copy-success{0%{transform:scale(.8)}50%{transform:scale(1.2)}to{transform:scale(1)}}@media (max-width:768px){.code-block-copy-btn{width:28px;height:28px;top:6px;right:6px}.code-block-copy-btn svg{width:14px;height:14px}}@media (max-width:480px){.code-block-copy-btn{width:24px;height:24px;top:4px;right:4px}.code-block-copy-btn svg{width:12px;height:12px}}.editor-debug-outline{outline:1px solid red}.editor-debug-outline *{outline:1px solid blue}