.lesson-content {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding: 20px;
  width: 100%;
  max-width: 900px;
  margin: auto;
}

.lesson-info {
  background: #fff8e1;
  border: 2px solid #facc15;
  border-radius: 12px;
  padding: 20px;
  font-size: 1.1rem;
  line-height: 1.6;
}

.lesson-info strong {
  color: #15803d;
}

.light-example {
  display: inline-block;
  background: #FDE68A;
  padding: 2px 6px;
  border-radius: 4px;
}

.dark-example {
  display: inline-block;
  background: #15803d;
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
}

.lesson-board {
  display: flex;
  justify-content: center;
  align-items: center;
}

.lesson-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

.lesson-nav button {
  background: #15803d;
  color: white;
  border: none;
  padding: 12px 20px;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

.lesson-nav button:hover {
  background: #0f5e2e;
}