body{font-family:"Segoe UI",Helvetica,Arial,sans-serif;margin:0;background:#f4f6f8;color:#222}
header{background:#0b5394;color:#fff;padding:14px 32px}header h1{margin:0;font-size:22px}
nav a{color:#dfe9f5;margin-right:18px;text-decoration:none}main{max-width:880px;margin:32px auto;padding:0 16px}
.card{background:#fff;border:1px solid #d9dee3;border-radius:6px;padding:24px;margin-bottom:24px}
label{display:block;margin:10px 0 4px}input[type=text],input[type=password]{width:280px;padding:6px}
button{margin-top:14px;padding:7px 18px;background:#0b5394;color:#fff;border:0;border-radius:4px}
.err{color:#a61b1b;background:#fdecea;border:1px solid #f5c2c0;padding:10px;border-radius:4px}
footer{color:#777;font-size:12px;text-align:center;margin:40px 0}