.auth-body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #f4f6f8;
  color: #1a1a1a;
}

.auth-shell {
  max-width: 420px;
  margin: 2rem auto;
  padding: 1rem;
}

.auth-back {
  display: inline-block;
  margin-bottom: 1rem;
  color: #2563eb;
  text-decoration: none;
}

.auth-card {
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.auth-form label {
  display: block;
  margin-bottom: 1rem;
}

.auth-form input {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  box-sizing: border-box;
}

.auth-form button[type="submit"] {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.75rem;
  border: none;
  border-radius: 8px;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.auth-form--logout {
  margin-top: 1rem;
}

.btn-link {
  background: none;
  border: none;
  color: #6b7280;
  cursor: pointer;
  text-decoration: underline;
}

.flash {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.flash--error {
  background: #fee2e2;
  color: #991b1b;
}

.flash--success {
  background: #dcfce7;
  color: #166534;
}

.flash--info {
  background: #e0f2fe;
  color: #075985;
}