:root{color-scheme:dark;--bg:#0d171c;--card:#142329;--line:#2c3e46;--text:#edf3ef;--muted:#a8b9be;--accent:#c7f1b1}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 0%,#22423866,transparent 45%),var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}main{max-width:1080px;margin:auto;padding:36px 32px}header{display:flex;align-items:center;justify-content:space-between}.brand{text-decoration:none;color:var(--text);font-size:20px;font-weight:600}.mark{display:inline-grid;place-items:center;width:37px;height:37px;border:1px solid var(--accent);border-radius:12px;margin-right:10px;color:var(--accent)}.pill{border:1px solid var(--line);border-radius:24px;padding:6px 14px;color:var(--accent);font-size:13px}.intro{max-width:680px;padding:64px 0 28px}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--accent);font-weight:600;margin-top:0}h1{font-size:clamp(36px,5.3vw,61px);line-height:1.1;letter-spacing:-2px;font-weight:550;margin:14px 0 22px}h2{font-size:23px;font-weight:550;margin:6px 0 12px;line-height:1.3}.muted{color:var(--muted)}.card{padding:28px;border:1px solid var(--line);border-radius:18px;background:var(--card);margin-bottom:20px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid .card{margin-bottom:0}.guide{margin-top:20px}label{display:block;color:var(--muted);font-size:13px;margin:22px 0 7px}.input-row{display:flex;gap:12px}input,textarea{background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:13px;color:var(--text);font:14px/1.5 ui-monospace,monospace;min-width:0;width:100%}textarea{resize:vertical;overflow-wrap:anywhere}button{border:0;border-radius:9px;background:var(--accent);color:#183022;font:600 14px system-ui;padding:14px 19px;cursor:pointer;white-space:nowrap}button:disabled{opacity:.5;cursor:wait}.secondary{background:transparent;color:var(--text);border:1px solid #5d7279}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.small{font-size:12px;color:var(--muted)}.results{margin:20px 0}.results p{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:10px 0;font-size:14px;gap:12px}.results span{text-align:right;color:var(--accent)}ol{padding-left:22px;color:var(--muted)}li{padding:8px 0 8px 9px}strong{font-weight:600;color:var(--text)}.note{border-left:2px solid #bdaf78;margin-top:30px;padding:6px 22px;color:var(--muted);font-size:14px}.note p{margin:6px 0}footer{color:#70868f;font-size:12px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}.text-button{color:var(--muted);background:transparent;padding-left:0}#message{color:var(--accent);overflow-wrap:anywhere;min-height:26px}[hidden]{display:none!important}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:740px){main{padding:24px 18px}.intro{padding-top:44px}.grid{grid-template-columns:1fr}.card{padding:22px}.input-row{flex-direction:column}.brand{font-size:16px}.pill{font-size:11px}h1{letter-spacing:-1px}}