:root{--ink:#172126;--muted:#60717a;--bg:#f7f5f0;--brand:#d4532e;--box:#ece8df;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 "Inter",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif}
main{max-width:720px;margin:0 auto;padding:56px 20px 80px}header{display:flex;align-items:center;gap:14px;margin-bottom:28px}
header img{width:56px;height:56px;border-radius:13px}h1{font-size:34px;margin:0;letter-spacing:-.03em}h2{font-size:21px;margin:32px 0 8px}
.muted{color:var(--muted)}a{color:var(--brand)}ol{padding-left:22px}
.key{font:14px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--box);border-radius:12px;padding:14px 16px;word-break:break-all;user-select:all}
.row{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0}
.cta{display:inline-block;background:var(--ink);color:var(--bg);text-decoration:none;font-weight:600;padding:12px 22px;border-radius:999px;border:0;font-size:17px;cursor:pointer}
.alt{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.error{background:var(--box);border-radius:12px;padding:14px 16px}
.foot{margin-top:32px}
.field{flex:1;min-width:240px;font:17px -apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;padding:12px 14px;border-radius:12px;border:1px solid rgba(128,128,128,.4);background:var(--bg);color:var(--ink)}