@font-face{font-family:Geist;src:url(/fonts/Geist-Variable.woff2) format("woff2");font-weight:100 900;font-display:swap}:root{--bg:#F3F2EF;--surface:#fff;--ink:#141414;--muted:#86867F;--line:#ECEBE7;--accent:#3B3FE4;--bad:#C2412C;--bad-soft:#F8E0DA;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg:#0E0E0F;--surface:#18181A;--ink:#F2F2EF;--muted:#8C8C88;--line:#26262A;--accent:#7B7FFF;--bad:#F07A66;--bad-soft:#3A1F1C;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.4 Geist,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}main{max-width:380px;margin:12vh auto 40px;padding:28px 22px;background:var(--surface);border-radius:24px;box-shadow:0 1px 2px #1418210d,0 6px 20px #1418210d}@media(max-width:420px){main{margin:8vh 16px}}h1{margin:0;font-size:34px;font-weight:300;letter-spacing:-.045em}.sub{margin:4px 0 20px;color:var(--muted)}label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:14px 0 6px}input{width:100%;height:48px;border-radius:14px;border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:0 14px;font:inherit;font-size:16px}input:focus{outline:2px solid var(--accent);outline-offset:-1px}button{margin-top:22px;width:100%;height:52px;border:0;border-radius:999px;background:var(--ink);color:var(--bg);font:inherit;font-weight:600;cursor:pointer}button:disabled{opacity:.6}.err{background:var(--bad-soft);color:var(--bad);border-radius:12px;padding:10px 14px;font-size:14px;margin-bottom:6px}.trap{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden}.ok{background:#e3f1e8;color:#2e8b57;border-radius:12px;padding:10px 14px;font-size:14px;margin-bottom:6px}@media(prefers-color-scheme:dark){.ok{background:#163024;color:#6fcb95}}.sub b{color:var(--ink);font-weight:500}input.code{font-size:28px;letter-spacing:.2em;text-align:center;height:60px;font-variant-numeric:tabular-nums}.links{display:flex;justify-content:space-between;margin-top:14px}.links form{margin:0}button.link{margin:0;width:auto;height:auto;padding:6px 2px;background:none;color:var(--muted);font-size:13px;border-radius:0}