:root{font-family:system-ui,sans-serif;color:#dbe7f5;background:#101823}*{box-sizing:border-box}body{margin:0}main{max-width:1050px;margin:auto;padding:40px 24px}h1{font-size:38px;letter-spacing:-1px;margin:12px 0}h2{font-size:22px;margin-top:0}p{line-height:1.65;color:#aebed0}.label{font-size:12px;font-weight:700;letter-spacing:2px;color:#7fe3c1}section{background:#192534;border:1px solid #34465b;border-radius:14px;padding:24px;margin:20px 0}.actions,form{display:flex;flex-wrap:wrap;gap:12px;align-items:end}label{display:grid;gap:6px;font-size:14px}input,button{font:inherit;border-radius:7px;padding:11px 14px}input{background:#111b28;border:1px solid #63758b;color:#e7eef8}button{border:0;background:#7fe3c1;color:#142c29;font-weight:650;cursor:pointer}button:disabled,input:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,input:focus-visible{outline:3px solid #f9cc6c;outline-offset:3px}.check{display:flex;align-items:center;gap:10px;margin-top:20px}.file{max-width:300px}.file input{max-width:100%}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#101823;border-radius:8px;padding:16px;max-height:420px;overflow:auto;font-size:13px;line-height:1.6}#status{border-left:3px solid #f9cc6c;padding-left:12px;color:#e4d2a8}@media(max-width:600px){main{padding:24px 16px}h1{font-size:30px}section{padding:18px}form>label{width:100%}button{min-height:44px}}