body {
  font-family: sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  direction: rtl;
}

.container {
  max-width: 800px;
  margin: 40px auto;
  background: #1f2937;
  padding: 20px;
  border-radius: 8px;
}

button {
  background: #3b82f6;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 20px;
}

button:hover {
  background: #2563eb;
}

pre {
  background: #111827;
  padding: 10px;
  border-radius: 6px;
  overflow-x: auto;
}

.hidden {
  display: none;
}