.tool-regex-tester label{display:block;font-size:13px;color:#666;margin:8px 0 4px}
.tool-regex-tester .re-flag{display:inline-flex!important;align-items:center;gap:4px;margin-right:14px;color:#333}
.tool-regex-tester .re-presets{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:10px;font-size:13px;color:#666}
.tool-regex-tester .re-out{margin-top:12px;padding:12px;background:#f8fafc;border:1px solid #eee;min-height:60px;white-space:pre-wrap;word-break:break-all;line-height:1.7}
.tool-regex-tester mark{background:#fff3cd;padding:0 2px;border-radius:2px}
.tool-regex-tester .re-list{margin-top:10px;font-size:13px;color:#555}
.tool-regex-tester .re-list li{margin:4px 0}