:root{color-scheme:light;--ink:#25282d;--muted:#62666f;--line:#d8d9dd;--paper:#fffefa;--accent:#2449d8;--tint:#edf0ff;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f5f4f0;color:var(--ink)}*{box-sizing:border-box}body{margin:0}main{max-width:1216px;margin:0 auto;padding:0 32px}.intro{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:25px 0}.brand{display:flex;align-items:center;gap:15px}.brand-mark{width:58px;height:38px;stroke:var(--accent);stroke-width:1.7}h1{font-size:24px;letter-spacing:-.045em;margin:0;font-weight:750}.format-route{font:12px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.05em;color:var(--muted)}.format-route span{padding:0 10px;color:var(--accent)}.task-intro{display:flex;justify-content:space-between;align-items:baseline;gap:30px;margin:29px 0 25px}.task-intro h2{font-size:28px;letter-spacing:-.045em;white-space:nowrap;font-weight:650}.task-intro p{font-size:14px;color:var(--muted);line-height:1.6;margin:0;max-width:470px}h2{font-size:14px;margin:0;font-weight:600}.workspace{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-top:3px solid var(--accent);background:var(--paper)}.panel{padding:24px;min-width:0}.result-panel{border-left:1px solid var(--line);display:flex;flex-direction:column;background:#f0f0ec}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:24px;margin-bottom:20px}.format-label{font:600 12px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--accent);margin-right:8px}.panel-note,.badge{font:10px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted)}.badge.ready{color:var(--accent)}label{display:block;font-size:12px;font-weight:600;margin-bottom:8px}.field{margin-bottom:16px}input,textarea{width:100%;min-width:0;border:1px solid #b5b8c1;background:var(--paper);color:var(--ink);border-radius:3px;padding:13px;font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace}textarea{resize:vertical;min-height:235px}textarea::placeholder{color:#6b6e76;opacity:1}#output{min-height:310px;flex:1}input[type=file]{font:12px/1.5 system-ui;padding:7px;background:transparent}input::file-selector-button{background:var(--paper);border:1px solid var(--line);border-radius:2px;color:var(--ink);padding:7px 9px;margin-right:10px;cursor:pointer}.file-field{margin:0 0 18px}button,.purchase a{font:600 13px/1.3 system-ui;border:1px solid #a8acb7;background:var(--paper);border-radius:3px;padding:11px 14px;color:var(--ink);cursor:pointer;text-decoration:none;min-height:40px}button:hover:not(:disabled){border-color:var(--accent);color:var(--accent);background:var(--tint)}button:disabled{color:#747780;background:#e6e6e2;border-color:#c9cbd1;cursor:default}.primary{display:flex;align-items:center;justify-content:space-between;width:100%;background:var(--accent);border-color:var(--accent);color:#fff;min-height:46px}.primary:hover:not(:disabled){background:#1937ac;color:#fff}.privacy{font-size:11px;line-height:1.6;color:var(--muted);margin:15px 0 0}.examples{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-top:16px;font-size:12px;color:var(--muted)}#example-buttons{display:flex;flex-wrap:wrap;gap:7px}#example-buttons button{font-size:11px;padding:7px 9px;min-height:32px;background:transparent}.actions{display:flex;gap:9px;flex-wrap:wrap}#status{font-size:12px;line-height:1.6;min-height:20px;margin:12px 0;color:var(--accent)}.error{color:#a12424!important}.details{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:24px 0 26px}.details strong{font-size:12px;font-weight:600}.details p{font-size:12px;color:var(--muted);margin:7px 0 0;line-height:1.6}.purchase{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid var(--line);padding:18px;margin:0 0 24px}.purchase p{color:var(--muted);font-size:12px}.purchase a{white-space:nowrap}footer{border-top:1px solid var(--line);padding:18px 0 25px;display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:10px}footer span span{padding:0 7px;color:var(--accent)}input:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.skip{position:absolute;left:16px;top:-100px;background:var(--paper);padding:12px;color:var(--accent);z-index:2}.skip:focus{top:8px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(max-width:700px){main{padding:0 16px}.intro{padding:18px 0}.brand{gap:10px}.brand-mark{width:43px;height:30px}h1{font-size:21px}.format-route{font-size:10px}.format-route span{padding:0 4px}.task-intro{display:block;margin:22px 0}.task-intro h2{font-size:26px;white-space:normal}.task-intro p{margin-top:9px;font-size:13px}.workspace{grid-template-columns:1fr}.panel{padding:18px}.result-panel{border-left:0;border-top:1px solid var(--line)}textarea{min-height:200px}#output{min-height:235px}.panel-title{margin-bottom:16px}.panel-note,.badge{font-size:9px}.details{grid-template-columns:1fr;gap:16px;padding:22px 0}.details p{margin-top:3px}.purchase{align-items:flex-start;flex-direction:column}footer{flex-direction:column;gap:7px}}

.input-hint{font-size:12px;line-height:1.6;color:var(--muted);margin:0 0 14px}.input-error{font-size:13px;line-height:1.6;color:#982424;background:#fff3f1;border-left:3px solid #982424;padding:10px 12px;margin:0 0 16px}textarea[aria-invalid=true]{border-color:#982424}.input-error[hidden]{display:none}