.gmrt-wrap { max-width: 720px; padding: 14px; border: 1px solid #ddd; border-radius: 10px; }
.gmrt-row { margin-bottom: 10px; display: grid; gap: 6px; }
.gmrt-row label { font-weight: 600; }
.gmrt-row input { padding: 10px; border: 1px solid #ccc; border-radius: 8px; width: 100%; }
#gmrt_btn { padding: 10px 14px; border: 0; border-radius: 8px; cursor: pointer; }
.gmrt-result { margin-top: 12px; padding: 10px; background: #fafafa; border-radius: 8px; border: 1px solid #eee; }
.gmrt-json { margin-top: 12px; }
.gmrt-json pre { background: #111; color: #eee; padding: 10px; border-radius: 8px; overflow: auto; }