/* H2 배경 강조 스타일 */
.markdown-section h2 {
  background-color: #f0f4f8; /* 연한 파란빛 회색 배경 */
  padding: 0.6em 0.8em;
  border-left: 4px solid #3182ce; /* 진한 파란색 강조선 */
  border-radius: 4px;
  font-weight: 600;
}

/* 사이드바 스타일: 단순 정렬 */
.sidebar ul {
    padding-left: 1.2em;
  }
  .sidebar li {
    line-height: 1.6em;
    list-style: none;
  }
  .sidebar a {
    text-decoration: none;
    color: #fff;
  }
  
  /* Weekly Section 카드 박스 */
  .weekly-section-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1.5rem;
    justify-content: space-between;
  }
  
  .weekly-section-card {
    background-color: #1f1f1f;
    border: 1px solid #444;
    border-radius: 12px;
    padding: 1.2rem;
    flex: 1 1 calc(33% - 1rem);
    min-width: 220px;
    text-align: left;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    transition: all 0.3s ease;
  }
  
  .weekly-section-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
  }
  
  .weekly-section-card h4 {
    margin-top: 0;
    color: #ffd700;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
  }
  
  .weekly-section-card a {
    text-decoration: none;
    color: #00cfff;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 0.3rem;
  }
  
  .weekly-section-card a:hover {
    color: #ffb347;
  }

  .docsify-plugin-toc {
    position: sticky;
    top: 100px;
    float: right;
    margin-left: 30px;
    width: 220px;
    max-height: 75vh;
    overflow-y: auto;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: -2px 4px 16px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    font-size: 0.9rem;
  }