/* Regex studio. Uses the shared --ink/--muted/--line/--paper/--white/--blue tokens so dark mode follows the site. */
.rx-page{max-width:1400px}
.rx-visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.rx-heading h1{font-size:clamp(28px,4vw,42px);line-height:1.25;margin:8px 0 12px}
.rx-family{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}
.rx-family a{font-size:14px;border:1px solid var(--line);background:var(--white);border-radius:999px;padding:7px 13px;color:var(--ink);text-decoration:none}
.rx-family a[aria-current=page]{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.rx-workbench{border:1px solid var(--line);border-radius:18px;background:var(--white);box-shadow:0 14px 42px rgba(23,42,71,.06);padding:16px 18px;min-width:0}
.rx-workbench button{min-height:36px;border:1px solid var(--line);border-radius:9px;padding:5px 12px;font:inherit;font-size:14px;background:var(--white);color:var(--ink);cursor:pointer}
.rx-pattern{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:6px 8px;border:1px solid var(--line);border-radius:12px;background:var(--paper)}
.rx-pattern:focus-within{outline:2px solid var(--blue);outline-offset:1px}
.rx-slash{font:600 20px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}
#rx-pattern{flex:1 1 300px;min-width:0;border:0;outline:0;background:transparent;font:16px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ink);padding:6px 2px}
.rx-flags{display:flex;flex-wrap:wrap;gap:4px}
.rx-flags label{position:relative}.rx-flags input{position:absolute;opacity:0;pointer-events:none}
.rx-flags span{display:block;padding:4px 8px;border-radius:7px;font-size:12px;color:var(--muted);border:1px solid var(--line);background:var(--white);cursor:pointer;white-space:nowrap}
.rx-flags b{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.rx-flags input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff}
.rx-flags input:focus-visible+span{outline:2px solid var(--blue);outline-offset:2px}
.rx-error{margin:8px 0 0;padding:8px 12px;border-radius:9px;background:#fdecec;color:#a42323;font-size:14px}
.rx-modes{display:flex;flex-wrap:wrap;gap:4px;align-items:center;margin:12px 0 8px}
.rx-modes label{position:relative}.rx-modes input{position:absolute;opacity:0;pointer-events:none}
.rx-modes span{display:block;padding:6px 14px;border-radius:9px;font-size:14px;cursor:pointer;color:var(--muted);border:1px solid transparent}
.rx-modes input:checked+span{background:var(--paper);border-color:var(--line);color:var(--ink);font-weight:600}
.rx-literal{margin-left:auto;font-size:12px;color:var(--muted);max-width:100%;overflow-wrap:anywhere}
.rx-field{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted);margin-bottom:10px}
.rx-field[hidden],[data-for-mode][hidden]{display:none}
.rx-field input{min-height:40px;border:1px solid var(--line);border-radius:9px;padding:6px 10px;font:14px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink);background:var(--white)}
.rx-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:14px}
.rx-col{min-width:0}
.rx-bar{display:flex;justify-content:space-between;align-items:center;gap:8px;margin:10px 0 6px;flex-wrap:wrap}
.rx-bar label,.rx-bar b{font-weight:600;font-size:14px;color:var(--ink)}
.rx-bar h2{font-size:15px;margin:0}
.rx-muted{color:var(--muted);font-size:13px}
.rx-editor{position:relative;height:300px;border:1px solid var(--line);border-radius:12px;background:var(--paper);overflow:hidden}
.rx-editor:focus-within{outline:2px solid var(--blue);outline-offset:1px}
.rx-backdrop,.rx-workbench .rx-editor textarea{position:absolute;inset:0;margin:0;padding:12px 14px;font:16px/24px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;box-sizing:border-box;tab-size:4}
.rx-backdrop{overflow:hidden;color:transparent;pointer-events:none}
.rx-editor textarea{width:100%;height:100%;border:0;outline:0;resize:none;background:transparent;color:var(--ink);overflow:auto;caret-color:var(--ink)}
.rx-backdrop mark{color:transparent;border-radius:3px;background:rgba(59,130,246,.28);box-shadow:0 0 0 1px rgba(59,130,246,.45)}
.rx-backdrop mark.m1{background:rgba(16,185,129,.28);box-shadow:0 0 0 1px rgba(16,185,129,.45)}
.rx-backdrop mark.empty{display:inline-block;width:2px;height:1.1em;vertical-align:text-bottom;background:#f59e0b}
.rx-out{width:100%;box-sizing:border-box;height:160px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink);background:var(--paper);resize:vertical}
.rx-table-wrap{overflow:auto;max-height:340px;border:1px solid var(--line);border-radius:12px}
.rx-table{width:100%;border-collapse:collapse;font-size:13px}
.rx-table th,.rx-table td{padding:6px 10px;border-top:1px solid var(--line);text-align:left;color:var(--ink);vertical-align:top}
.rx-table thead th{position:sticky;top:0;background:var(--paper);font-size:12px;color:var(--muted);border-top:0}
.rx-table code{font-size:12px;overflow-wrap:anywhere;white-space:pre-wrap}
.rx-num{font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--muted)}
.rx-card{border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin:10px 0;background:var(--white);min-width:0}
.rx-card>h2{font-size:15px;margin:2px 0 8px}
.rx-explain{list-style:none;margin:0;padding:0;display:grid;gap:3px;max-height:320px;overflow:auto}
.rx-explain li{display:flex;gap:8px;align-items:baseline;font-size:13px;padding-left:calc(var(--d,0) * 14px)}
.rx-explain li code{flex:none;min-width:44px;padding:1px 6px;border-radius:5px;background:var(--paper);font-size:12px;color:var(--blue)}
.rx-explain li.q code{color:#b45309}
.rx-explain li span{color:var(--ink)}
.rx-sub{margin:10px 0 4px;font-size:13px;font-weight:600;color:var(--muted)}
.rx-lib{display:flex;flex-wrap:wrap;gap:6px}.rx-lib button{font-size:13px;min-height:30px;background:var(--paper)}
.rx-langs{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:6px}.rx-langs button{font-size:12px;min-height:28px;padding:3px 9px}
.rx-langs button[aria-selected=true]{background:var(--ink);color:var(--white);border-color:var(--ink)}
.rx-code{margin:0;padding:10px 12px;border-radius:10px;background:var(--paper);font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;overflow:auto;max-height:220px;white-space:pre}
.rx-actions{display:flex;align-items:center;gap:10px}
.rx-toast{margin:0;font-size:13px;color:#14734f}
.rx-cheat-wrap{margin-top:14px;border-top:1px solid var(--line);padding-top:10px}
.rx-cheat-wrap summary{cursor:pointer;font-weight:600;font-size:15px;color:var(--ink)}
.rx-cheats{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin-top:10px}
.rx-cheats h3{font-size:14px;margin:0 0 6px}
.rx-cheats ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.rx-cheats li{display:flex;gap:8px;align-items:baseline;font-size:13px}
.rx-cheats li button{min-height:0;padding:1px 6px;border-radius:6px;background:var(--paper);flex:none}
.rx-cheats code{font-size:12px;color:var(--blue)}
.rx-guide{min-width:0}.rx-guide h2{margin-top:30px}
.guide-layout>*{min-width:0}
html[data-xunl-theme="dark"] .rx-error{background:#3a1a1d;color:#fca5a5}html[data-xunl-theme="dark"] .rx-toast{color:#6fd6a6}
@media(max-width:980px){.rx-grid{grid-template-columns:1fr}.rx-literal{margin-left:0;width:100%}}
@media(max-width:560px){.rx-workbench{padding:12px}.rx-editor{height:220px}}