body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 32px;
  color: #111;
}

h1 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 28px;
}

.signin-options {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.error {
  font-size: 13px;
  color: #dc2626;
  min-height: 18px;
  text-align: center;
}

.footer {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: #666;
}

.footer a { color: #4f46e5; text-decoration: none; }
.footer a:hover { text-decoration: underline; }