body{font-family:-apple-system,system-ui,sans-serif;background:#0e2a47;color:#f4efe6;margin:0;padding:2rem;line-height:1.55}
.card{max-width:720px;margin:0 auto;background:#123a5e;border-radius:12px;padding:1.5rem 2rem;box-shadow:0 8px 30px rgba(0,0,0,.35)}
h1{font-size:1.5rem;margin:0 0 .25rem}h2{font-size:1.1rem;margin:1.2rem 0 .4rem;color:#e0a72f}
.sub{opacity:.8;margin-top:0}
a{color:#ffd77a}code{font-family:ui-monospace,Menlo,monospace;background:#0b2340;padding:.1rem .35rem;border-radius:4px}
textarea{width:100%;height:7rem;background:#0b2340;color:#f4efe6;border:1px solid #2f5f8f;border-radius:8px;padding:.6rem;box-sizing:border-box;font-family:ui-monospace,Menlo,monospace;font-size:.85rem}
button{margin-top:.6rem;background:#e0a72f;color:#0e2a47;border:0;border-radius:8px;padding:.6rem 1rem;font-weight:700;cursor:pointer}
.ok{color:#8fe3a2}.bad{color:#ff9c9c}.links{margin-top:1.5rem;font-size:.9rem;opacity:.85}