body{margin:0;font-family:Arial,sans-serif;background:#f5f7fb;color:#14202b}
.wrap{max-width:460px;margin:48px auto;padding:24px}
.card{background:#fff;border:1px solid #d9e0ea;border-radius:14px;padding:20px}
h1{margin:0 0 16px;font-size:26px}
p{margin:0 0 12px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:#5b697a;margin-bottom:6px}
.field input{width:100%;padding:11px 12px;border:1px solid #d9e0ea;border-radius:10px}
.btn{display:inline-block;border:0;border-radius:10px;padding:11px 14px;background:#111827;color:#fff;cursor:pointer}
.msg{padding:12px 14px;border-radius:10px;margin-bottom:14px}
.ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.links{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.small{font-size:12px;color:#5b697a}
.code{font-family:Consolas,monospace}