#lesson-map {
  padding: 8px 0;
}

.level-section {
  margin-bottom: 32px;
}

.level-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  padding: 6px 12px;
  border-radius: 8px;
  color: white;
  display: inline-block;
}

.level-1 h2 { background: var(--color-l1); }
.level-2 h2 { background: var(--color-l2); }
.level-3 h2 { background: var(--color-l3); }
.level-4 h2 { background: var(--color-l4); }

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.lesson-btn {
  background: white;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 12px 8px;
  cursor: pointer;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.1s, transform 0.1s;
  font-family: inherit;
}

.lesson-btn:hover:not(.locked) {
  border-color: var(--color-l1);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.lesson-btn.locked {
  opacity: 0.45;
  cursor: not-allowed;
}

.lesson-num { font-size: 0.7rem; color: var(--color-muted); }
.lesson-stars { font-size: 1.1rem; }
.lesson-title { font-size: 0.75rem; font-weight: 600; color: var(--color-text); }

.level-1 .lesson-btn:not(.locked) { border-color: #fde68a; }
.level-2 .lesson-btn:not(.locked) { border-color: #a7f3d0; }
.level-3 .lesson-btn:not(.locked) { border-color: #bfdbfe; }
.level-4 .lesson-btn:not(.locked) { border-color: #ddd6fe; }