.code-editor{font:14px/1.55 'DM Mono',monospace;tab-size:4;white-space:pre;overflow:auto;background:#102321;color:#e8f8f3;border-color:#102321;min-height:320px}.code-editor.compact{min-height:260px}.code-editor::placeholder{color:#8da6a0}.answer{tab-size:4;min-height:80px}.teacher-code{margin-top:14px;padding:12px 14px;border-radius:10px;background:#f4fbf8;border:1px solid #c7e6dc}.teacher-code summary{cursor:pointer;font-weight:800}.button-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}