*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f4f6f8;font:16px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#13293d}
.card{width:min(92vw,360px);background:#fff;border:1px solid #dde3ea;border-radius:14px;padding:28px 24px;text-align:center}
.logo{display:block;margin:0 auto 6px}
h1{margin:4px 0 0;font-size:24px;color:#0b4a7a}
.sub{margin:4px 0 18px;color:#5b6b7b;font-size:14px}
form{display:flex;flex-direction:column;gap:12px;text-align:left}
label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:#34495e}
input{font-size:16px;padding:11px 12px;border:1px solid #c8d2dc;border-radius:8px}
input:focus{outline:2px solid #1f9e89;border-color:#1f9e89}
button{margin-top:6px;font-size:16px;padding:12px;border:0;border-radius:8px;background:#0b4a7a;color:#fff;font-weight:600}
.err{background:#fdecec;color:#9b1c1c;border-radius:8px;padding:8px;font-size:14px}
.foot{margin:18px 0 0;font-size:12px;color:#8a99a8}