*{box-sizing:border-box;}
  body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:#0b1f2a;color:#0f172a;}
  .card{background:#fff;border-radius:16px;width:360px;max-width:92vw;padding:30px 28px;box-shadow:0 24px 70px rgba(0,0,0,.4);}
  .logo{font-size:16px;font-weight:300;letter-spacing:3px;text-transform:uppercase;color:#004A66;margin-bottom:22px;}
  .logo b{font-weight:800;}
  label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#64748b;display:block;margin:0 0 5px;}
  input{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:9px;font-size:14px;margin-bottom:14px;}
  button{width:100%;padding:12px;border:none;border-radius:9px;background:#0096C7;color:#fff;font-size:14px;font-weight:700;cursor:pointer;}
  button:disabled{opacity:.6;}
  .err{color:#b91c1c;font-size:13px;background:#fef2f2;border:1px solid #fca5a5;border-radius:8px;padding:9px 11px;margin-bottom:14px;display:none;}