:root { font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #172033; background: #f4f7fb; }
body { margin: 0; }
.container { max-width: 880px; margin: 40px auto; padding: 0 20px; }
.card { background: #fff; border-radius: 18px; padding: 32px; box-shadow: 0 18px 45px rgba(23, 32, 51, .08); }
h1 { margin: 0 0 12px; font-size: 32px; }
.lede { color: #526070; line-height: 1.55; }
form { display: grid; gap: 12px; margin-top: 24px; }
label { font-weight: 700; }
input { padding: 12px 14px; border: 1px solid #cbd5e1; border-radius: 10px; font-size: 16px; }
button, .button { display: inline-block; margin-top: 16px; background: #1f4e78; color: #fff; border: 0; border-radius: 12px; padding: 13px 18px; font-weight: 700; text-decoration: none; cursor: pointer; }
.error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; border-radius: 12px; padding: 12px 14px; margin: 16px 0; }
.muted { color: #64748b; }
pre { white-space: pre-wrap; background: #0f172a; color: #e2e8f0; border-radius: 12px; padding: 16px; overflow-x: auto; }
a { color: #1f4e78; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid #ddd;
  border-radius: 12px;
  background: #fff;
}

.topbar a {
  text-decoration: none;
  font-weight: 600;
}

.login-card {
  max-width: 460px;
  margin: 4rem auto;
}

.muted {
  color: #666;
}