body { display:grid; place-items:center; min-height:100vh; background:#f6f7f8; font-family: Arial, Helvetica, sans-serif; }
.login { background:#fff; padding:24px; border-radius:12px; box-shadow:0 6px 20px rgba(0,0,0,.06); width: 320px; }
.login .logo { display:block; margin: 0 auto 12px; height:56px; }
h1 { margin: 0 0 8px; font-size: 20px; text-align:center; }
label { display:block; margin: 8px 0; font-size: 14px; }
input { width:100%; padding:10px; border:1px solid #ddd; border-radius:8px; }
button { width:100%; padding:10px; margin-top:8px; border:1px solid #0b7; background:#0b7; color:#fff; border-radius:8px; cursor:pointer; }
.erro { background:#fee; border:1px solid #f99; color:#833; padding:8px; border-radius:8px; margin-bottom:8px; font-size:13px; }