body.login-page {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #0f172a, #050816);
  color: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  width: min(440px, 90%);
  background: rgba(15, 23, 42, 0.9);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 30px 60px rgba(5, 8, 22, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.2);
}
.login-card h1 {
  margin: 0 0 18px;
  font-size: 1.9rem;
}
.login-card label {
  display: block;
  margin: 14px 0 6px;
  font-size: 0.9rem;
  color: #cbd5f5;
}
.login-card input[type="text"],
.login-card input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.7);
  color: #f8fafc;
  font-size: 1rem;
}
.login-card button {
  margin-top: 22px;
  width: 100%;
  padding: 14px;
  border-radius: 16px;
  border: none;
  background: linear-gradient(135deg, #5a54ff, #7c3aed);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 20px 30px rgba(90, 84, 255, 0.35);
}
.login-card .error {
  margin-top: 12px;
  color: #fca5a5;
  font-size: 0.9rem;
  min-height: 1.2em;
}