body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, #eff6ff 0%, #fdf2f8 55%, #ecfeff 100%);
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  color: #0f172a;
}

.auth-card {
  width: min(440px, 92vw);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid #dbeafe;
  border-radius: 18px;
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.14);
  padding: 24px;
  backdrop-filter: blur(8px);
}

h1 {
  margin: 0 0 6px;
  font-size: 30px;
  font-weight: 800;
}

.sub {
  margin: 0 0 18px;
  color: #475569;
  font-size: 14px;
}

.form-control {
  border-radius: 12px;
  border-color: #cbd5e1;
  padding: 10px 12px;
}

.btn-primary {
  border-radius: 12px;
  font-weight: 700;
  border: none;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
}

.bottom-link {
  margin-top: 12px;
  font-size: 14px;
  color: #334155;
  text-align: center;
}

.bottom-link a {
  color: #1d4ed8;
  font-weight: 700;
  text-decoration: none;
}