:root{color-scheme:light dark;--bg:#f7f8f4;--card:#fff;--text:#202b29;--muted:#606f69;--line:#d9e1db;--accent:#18634d;--soft:#e9f2ed;--field:#fafcf9;--highlight:#ffe8a0;--error:#b33132;--error-bg:#fff0ee;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button,a,input,textarea{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #78a99a;outline-offset:3px}header,main,footer{max-width:1160px;margin:auto;padding:0 28px}header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:30px;padding-bottom:20px}.brand{display:flex;gap:12px;align-items:center;color:var(--text);font-size:21px;font-weight:750;line-height:1.3}.brand small{display:block;font-size:13px;font-weight:500;color:var(--muted)}.logo{display:grid;place-items:center;font:bold 28px monospace;color:white;background:#18634d;width:44px;height:44px;border-radius:11px}nav{display:flex;gap:24px;align-items:center;font-size:14px}.star{border:1px solid var(--line);border-radius:8px;padding:10px 15px;font-weight:650}.intro{padding:48px 0 36px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:2px;color:var(--accent);margin:0 0 18px}h1{font-size:clamp(38px,5vw,62px);line-height:1.04;letter-spacing:-2px;margin:0 0 22px;font-weight:760}h1 span{color:var(--accent)}.intro>p:last-child{color:var(--muted);line-height:1.65;font-size:17px;margin:0}.tester{background:var(--card);border:1px solid var(--line);border-radius:15px;box-shadow:0 5px 25px #183f2610;overflow:hidden;padding:24px}h2{font-size:16px;margin:0}.section-heading,.input-heading,.result-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.actions{display:flex;flex-wrap:wrap;gap:8px}button{background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:7px;padding:9px 14px;font-size:13px;font-weight:600}button:hover{background:var(--soft)}textarea,input{background:var(--field);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:13px;width:100%}textarea{font:15px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;resize:vertical;display:block}#pattern{font-size:18px;color:var(--accent)}.options{border:0;padding:14px 0 23px;margin:0;display:flex;flex-wrap:wrap;gap:12px 20px}.options legend{position:absolute;width:1px;height:1px;overflow:hidden}.options label{font-size:13px;display:flex;align-items:center;gap:6px;cursor:pointer}.options input{width:15px;height:15px;margin:0;accent-color:var(--accent)}code{color:var(--muted)}.input-heading label{font-size:15px;font-weight:650}.input-heading span,.muted{color:var(--muted);font-size:13px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:18px 0}.toolbar [role=tablist]{display:flex;gap:5px;padding:4px;background:var(--field);border-radius:9px}.toolbar [role=tab]{border:0;color:var(--muted)}.toolbar [aria-selected=true]{background:var(--soft);color:var(--accent)}.limits{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.limits label{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}.limits input{width:76px;padding:8px}.primary{display:inline-block;background:var(--accent);color:var(--card);border-color:var(--accent);border-radius:7px;padding:10px 16px;font-size:13px;font-weight:650}.primary:hover{background:var(--accent);filter:brightness(1.1);text-decoration:none}#replacement-field{padding-bottom:18px}#replacement-field label{display:block;margin-bottom:10px;font-weight:650;font-size:14px}#replacement-field label span{font-weight:400;font-size:12px;color:var(--muted);margin-left:10px}.result-heading{padding-top:18px;border-top:1px solid var(--line)}#status{font-size:13px;color:var(--muted);text-align:right}#error{padding:14px;border-radius:7px;background:var(--error-bg);color:var(--error);font-size:14px;margin-bottom:14px;overflow-wrap:anywhere}#results{min-height:90px}.highlighted,.text-result{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--field);padding:16px;border:1px solid var(--line);border-radius:8px;font:14px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;margin:0 0 16px;max-height:350px;overflow:auto}mark{background:var(--highlight);color:var(--text);border-radius:2px}.zero-match{display:inline-block;border-left:2px solid var(--accent);height:1.1em;vertical-align:middle}.matches{display:grid;gap:8px}.matches details{border:1px solid var(--line);border-radius:7px;padding:10px 13px;overflow:hidden}.matches summary{cursor:pointer;overflow-wrap:anywhere;font-size:13px}.matches summary code{color:var(--text)}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px;margin-top:12px}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:top}td code{white-space:pre-wrap;overflow-wrap:anywhere}th{color:var(--muted);font-weight:500}.fine-print{color:var(--muted);font-size:11px;margin:20px 0 0}.pitch{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;padding:64px 0}.pitch h2{font-size:32px;letter-spacing:-1px;line-height:1.15}.pitch p:not(.eyebrow){font-size:14px;line-height:1.7;color:var(--muted);max-width:490px}.pitch-links{display:flex;flex-direction:column;gap:18px;align-items:flex-start;justify-content:center;font-size:14px}footer{border-top:1px solid var(--line);padding-top:24px;padding-bottom:28px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}[hidden]{display:none!important}
@media(prefers-color-scheme:dark){:root{--bg:#111a18;--card:#192320;--text:#e4ece7;--muted:#a0b2a8;--line:#34473e;--accent:#82d9b4;--soft:#293e33;--field:#14201b;--highlight:#665025;--error:#ffb5af;--error-bg:#462c2c}.primary{color:#14201b}.logo{background:#82d9b4;color:#14201b}}
@media(max-width:720px){header,main,footer{padding-left:16px;padding-right:16px}header{align-items:flex-start;gap:12px}nav>a:first-child{display:none}nav{gap:0}.star{padding:9px;font-size:12px}.brand{font-size:17px}.intro{padding-top:30px}.tester{padding:16px}.section-heading{align-items:flex-start;flex-wrap:wrap}.actions button{padding:7px 10px}.toolbar{align-items:flex-start}.limits{width:100%;gap:10px}.limits label{flex:1}.limits input{width:64px}.limits button{width:100%}.pitch{grid-template-columns:1fr;gap:14px;padding:40px 0}.pitch h2{font-size:28px}footer{flex-direction:column;gap:10px}.options{gap:12px}.result-heading{align-items:flex-start}}