/* ── 사이드바 공통 레이아웃 ────────────────────────────── */

/* ── 그리드 레이아웃 ──────────────────────────────────── */
.post-with-sidebar,
.list-with-sidebar {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  width: 100%;
  margin: 0 auto;
}

.post-with-sidebar { max-width: 1100px; }
.list-with-sidebar { max-width: 1160px; }

/* list 페이지 main 너비 */
html body.list main.main {
  max-width: 1160px !important;
  padding: 1.5rem !important;  /* 상하 1.5rem: 헤더 간격 확보 + 좌우 컬럼 시작점 일치 */
}

/* 콘텐츠 컬럼이 절대 사이드바를 밀지 못하게 */
.list-content,
article.post-single {
  min-width: 0;
}

/* 사이드바 — 너비 고정 + sticky */
.sidebar {
  width: 260px;
  min-width: 260px;
  max-width: 260px;
  position: sticky;
  top: calc(var(--header-height, 60px) + 1rem);
  display: flex;
  flex-direction: column;
  gap: var(--card-gap, 1.2rem);
}

/* ── 프로필 카드 ────────────────────────────────────────── */
.sidebar-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.4rem 1rem;
  gap: 0;
}

.sidebar-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-border, #ddd6fe);
  margin-bottom: 0.75rem;
  box-shadow: 0 2px 8px rgba(99,102,241,0.15);
}

.sidebar-profile-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.3rem;
}

.sidebar-profile-bio {
  font-size: 0.78rem;
  color: var(--secondary);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.sidebar-profile-links {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.sidebar-profile-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--code-bg);
  color: var(--secondary);
  text-decoration: none;
  border: 1px solid var(--border);
  transition: all 0.15s;
}

.sidebar-profile-links a:hover {
  color: var(--accent);
  border-color: var(--accent-border, #ddd6fe);
  background: var(--accent-subtle, #f0eeff);
}

/* ── 섹션 카드 ──────────────────────────────────────────── */
.sidebar-section {
  background: var(--entry);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
}

/* 카테고리 섹션 — 최소 높이 확보 + 내용 세로 중앙 정렬
   → 포스트 카드가 섹션 쌍보다 항상 짧도록 보장 (JS min-height가 효과 있으려면 필수) */
.sidebar-section:not(.sidebar-profile) {
  min-height: 72px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sidebar-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--secondary);
  margin: 0 0 0.65rem 0;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--border);
}

/* ── 리스트 ─────────────────────────────────────────────── */
.sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sidebar-item { margin: 0; padding: 0; }

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.28rem 0.4rem;
  border-radius: 5px;
  font-size: 0.82rem;
  color: var(--primary);
  text-decoration: none;
  line-height: 1.4;
  transition: background 0.12s, color 0.12s;
}

.sidebar-link:hover,
.sidebar-link.active {
  background: var(--accent-subtle, #f0eeff);
  color: var(--accent);
}

.sidebar-item-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.sidebar-count {
  flex-shrink: 0;
  font-size: 0.72rem;
  color: var(--secondary);
  background: var(--code-bg);
  border-radius: 10px;
  padding: 0.1rem 0.45rem;
  margin-left: 0.4rem;
}

/* ── 태그 ───────────────────────────────────────────────── */
.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.sidebar-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.75rem;
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  background: var(--code-bg);
  color: var(--primary);
  text-decoration: none;
  border: 1px solid var(--border);
  transition: all 0.12s;
}

.sidebar-tag:hover {
  background: var(--accent-subtle, #f0eeff);
  border-color: var(--accent-border, #ddd6fe);
  color: var(--accent);
}

.sidebar-tag-count {
  font-size: 0.68rem;
  color: var(--secondary);
}

/* ── 카테고리별 포스트 (details/summary) ────────────────── */
.sidebar-category {
  margin: 0;
}

.sidebar-category summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
}
.sidebar-category summary::-webkit-details-marker { display: none; }

.sidebar-cat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.2rem 0.1rem;
  border-radius: 5px;
  transition: color 0.12s;
  margin-bottom: 0.3rem;
}
.sidebar-cat-header:hover { color: var(--accent); }

.sidebar-cat-name {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--secondary);
}
.sidebar-category[open] .sidebar-cat-name { color: var(--accent); }

/* 펼침 화살표 */
.sidebar-cat-header::before {
  content: '▶';
  font-size: 0.55rem;
  color: var(--secondary);
  margin-right: 0.4rem;
  transition: transform 0.15s;
  flex-shrink: 0;
}
.sidebar-category[open] .sidebar-cat-header::before {
  transform: rotate(90deg);
  color: var(--accent);
}

.sidebar-cat-list {
  padding-left: 0.5rem;
  margin-top: 0.1rem;
}

/* ── 다크모드 보정 ──────────────────────────────────────── */
:root[data-theme="dark"] .sidebar-count {
  background: var(--tertiary);   /* 어두운 배경에서 뱃지 가시성 확보 */
}
:root[data-theme="dark"] .sidebar-cat-header::before {
  color: var(--primary);         /* 화살표 대비 향상 */
}

/* ── 모바일 ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .post-with-sidebar,
  .list-with-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .sidebar-section {
    flex: 1 1 240px;
  }

  .sidebar-profile {
    flex: 0 0 100%;
  }

  html body.list main.main,
  html body:not(.list) main.main {
    max-width: 100% !important;
    padding: 0 1rem !important;
  }
}