:root { --card-radius: 16px; }
body { min-height: 100vh; }
.auth-bg {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.auth-card { border-radius: var(--card-radius); backdrop-filter: blur(6px); }
.brand-logo { max-height: 46px; width: auto; }
.small-muted { opacity: .8; }