:root{color-scheme:light;--bg:#f4f6f9;--card:#fff;--ink:#17202a;--muted:#667085;--line:#e5e9f0;--green:#18794e;--red:#b42318;--blue:#2459a6}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,-apple-system,Segoe UI,sans-serif}.wrap{max-width:1040px;margin:32px auto;padding:0 18px}.narrow{max-width:600px;margin:7vh auto}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;margin:18px 0;box-shadow:0 4px 18px rgba(16,24,40,.04)}h1{font-size:28px;margin:0 0 8px}h2{font-size:19px;margin:18px 0 10px}p{margin:8px 0 14px}.muted,small{color:var(--muted)}label{display:block;font-weight:650;margin:13px 0 5px}input{width:100%;padding:12px;border:1px solid #cfd5df;border-radius:9px;font:inherit;background:#fff}button,.button{display:inline-block;background:#172f57;color:#fff;border:0;border-radius:9px;padding:11px 17px;font:inherit;font-weight:650;text-decoration:none;cursor:pointer;margin-top:14px}button.secondary{background:#eef2f7;color:#17202a;margin:0}.alert,.warn{background:#fff3e8;color:#8a3d08;padding:12px 14px;border-radius:10px;margin:12px 0}.good{background:#eaf7ef;color:#17633d;padding:12px 14px;border-radius:10px;margin:12px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}.top{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px max(18px,calc((100% - 1040px)/2));background:#fff;border-bottom:1px solid var(--line)}nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}nav a{color:var(--blue);text-decoration:none;font-weight:600}nav form{margin:0}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}.code{font:700 20px ui-monospace,monospace;letter-spacing:2px;overflow-wrap:anywhere;background:#fff;padding:12px;border-radius:8px;color:#172f57}@media(max-width:650px){.top{align-items:flex-start;flex-direction:column}.card{padding:17px}h1{font-size:24px}}