body {
  margin: 0;
  padding: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #0b1220;
  color: #cfe7ff;
  font-family: system-ui, Segoe UI, Roboto, Inter, "Noto Sans", sans-serif;
}

.lang-switch {
  text-align: center;
  margin-top: 20px;
}

.lang-link {
  display: inline-block;
  margin: 0 8px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: #0e1730;
  color: #cfe7ff;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.lang-link:hover {
  background: #6aa9ff;
  color: #fff;
}

.card {
  max-width: 600px;
  text-align: center;
  padding: 2rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.title {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(90deg, #6aa9ff, #b48cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
}

.subtitle {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.badge {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  border: 1px dashed #6aa9ff;
  border-radius: 999px;
}

.footer {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #93a7c6;
}