/* MATH Arch4 — login page (standalone) */

body.math-arch4-login {
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  background: linear-gradient(145deg, #0f172a 0%, #111827 42%, #1e293b 100%);
  min-height: 100vh;
  margin: 0;
}

.math-arch4-login-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.math-arch4-login-card .card-body {
  background: #fff;
}

.math-arch4-login-brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: #111827;
  letter-spacing: 0.04em;
}

.math-arch4-login-sub {
  font-size: 0.8125rem;
  color: #64748b;
}

.math-arch4-login .form-control,
.math-arch4-login .form-select {
  min-height: 40px;
  border-radius: 8px;
  font-size: 0.9375rem;
}

.math-arch4-login .btn-primary {
  background: #10b981;
  border-color: #10b981;
  font-weight: 600;
  min-height: 42px;
}

.math-arch4-login .btn-primary:hover {
  background: #059669;
  border-color: #059669;
}