#auth-box {
  width: min(360px, 92vw);
  margin: 72px auto;
  background: linear-gradient(180deg, #1b2126, #161b20);
  border: var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 20px;
  text-align: center;
}

.auth-subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 6px;
  margin-bottom: 18px;
}

.btn-primary {
  width: 100%;
  margin-top: 10px;
  padding: 11px 12px;
  background: var(--accent);
}

.btn-link {
  margin-top: 12px;
  background: transparent;
  color: #a6d3ef;
  text-decoration: underline;
}

.auth-msg {
  min-height: 18px;
  margin-top: 8px;
  color: #ff9494;
  font-size: 0.88rem;
}