.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.auth-shell {
  width: 100%;
  display: grid;
  place-items: center;
}

.auth-card {
  width: min(420px, calc(100vw - 2rem));
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, rgba(28, 28, 28, 0.96), rgba(12, 12, 12, 0.96));
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  padding: 1.3rem;
  text-align: center;
}

.auth-card h1 {
  margin: 1rem 0 0.4rem;
  font-size: 1.45rem;
}

.auth-card p {
  margin: 0;
  color: #cfcfcf;
}

.auth-form {
  margin-top: 1rem;
  display: grid;
  gap: 0.8rem;
}

.auth-pin {
  height: 54px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(0, 0, 0, 0.42);
  text-align: center;
  letter-spacing: 0.35em;
  font-size: 1.3rem;
}

.auth-submit {
  justify-content: center;
}

.auth-error {
  margin-top: 0.8rem;
  color: #ff8b93;
  font-size: 0.95rem;
}

.auth-note {
  margin-top: 1rem;
  font-size: 0.9rem;
}