.help-modal {
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:16px;
  padding:2rem;
  width:420px;
  max-width:90vw;
  box-shadow:0 20px 60px rgba(0,0,0,0.5);
  animation:fadeUp 0.25s ease;
}