.auth-body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(37, 140, 251, 0.35), transparent 60%),
    radial-gradient(900px 500px at 110% 20%, rgba(13, 110, 253, 0.25), transparent 55%),
    linear-gradient(160deg, #0f172a 0%, #111827 45%, #0b1220 100%);
  color: #e5e7eb;
}

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(10px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.auth-card .card-body {
  padding: 2rem;
}

.auth-brand {
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #f9fafb;
}

.auth-sub {
  color: #9ca3af;
  font-size: 0.95rem;
}

.auth-card .form-control {
  background-color: rgba(2, 6, 23, 0.55);
  border-color: rgba(148, 163, 184, 0.25);
  color: #f9fafb;
}

.auth-card .form-control:focus {
  border-color: rgba(37, 140, 251, 0.85);
  box-shadow: 0 0 0 0.2rem rgba(37, 140, 251, 0.2);
  background-color: rgba(2, 6, 23, 0.65);
  color: #f9fafb;
}

.auth-card .form-check-input {
  border-color: rgba(148, 163, 184, 0.45);
}

.auth-card .form-check-input:checked {
  background-color: #0d6efd;
  border-color: #0d6efd;
}

.auth-card .text-danger,
.auth-card .field-validation-error {
  color: #fca5a5 !important;
}

.auth-card .btn-primary {
  padding: 0.6rem 1rem;
  font-weight: 600;
}

.auth-footer-links {
  font-size: 0.9rem;
}

.auth-footer-links a {
  color: #93c5fd;
  text-decoration: none;
}

.auth-footer-links a:hover {
  text-decoration: underline;
}