/* ✅ /css/main-layout.css - 공통 레이아웃 스타일 */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
  background-color: #f5f5f5;
}

/* 메인 레이아웃 구조 */
.main-layout {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

#navbar-container {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.content-wrapper {
  display: flex;
  flex: 1;
}

#sidebar-container {
  flex-shrink: 0;
}

#content-container,
#sections-container,
#admin-sections,
#user-sections {
  flex: 1;
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* 카드 스타일 */
.card {
  background: white;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

/* 섹션 스타일 */
section {
  background: white;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

section h2 {
  font-size: 18px;
  margin: 0 0 16px 0;
  color: #333;
  border-bottom: 2px solid #1976d2;
  padding-bottom: 8px;
}

section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

section li {
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
}

section li:last-child {
  border-bottom: none;
}

section a {
  color: #1976d2;
  text-decoration: none;
  display: block;
  padding: 4px 0;
  transition: all 0.3s;
}

section a:hover {
  color: #0d47a1;
  padding-left: 8px;
}

/* 로딩 상태 */
.loading {
  text-align: center;
  padding: 60px 20px;
  color: #666;
}

.loading::after {
  content: '.';
  animation: dots 1.5s steps(3, end) infinite;
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 100% { content: '...'; }
}

/* 에러 상태 */
.error-state {
  text-align: center;
  padding: 60px 20px;
  color: #d32f2f;
}

.error-state button {
  margin-top: 16px;
  padding: 8px 24px;
  background: #1976d2;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.error-state button:hover {
  background: #1565c0;
}

/* 반응형 디자인 */
@media (max-width: 1024px) {
  #content-container,
  #sections-container {
    padding: 16px;
  }
}

@media (max-width: 768px) {
  .content-wrapper {
    flex-direction: column;
  }
  
  #sidebar-container {
    order: -1;
  }
  
  section h2 {
    font-size: 16px;
  }
}