:root{--bg:#0b0f16;--card:#141a22;--text:#e6eef8;--muted:#9bb0c3;--brand:#2ec4b6}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu;background:var(--bg);color:var(--text)}
.wrap{max-width:780px;margin:0 auto;padding:56px 20px 40px}
.card{background:var(--card);border-radius:16px;padding:24px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
h1{margin:0 0 8px;font-size:28px}
p{line-height:1.7;color:var(--muted);margin:8px 0}
a.btn{display:inline-block;background:var(--brand);color:#001;text-decoration:none;font-weight:700;padding:12px 16px;border-radius:12px;margin-top:8px}
.badge{display:inline-block;background:#1d2530;color:var(--muted);padding:6px 10px;border-radius:999px;font-size:12px}
.footer{margin-top:14px;color:#889fb5;font-size:14px;opacity:.9}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#0f1720;color:#cdd8e5;border-radius:8px;padding:10px;display:block;white-space:pre-wrap}