/* ══════════════════════════════════════════════
   노후설계 가이드 — 커스텀 스타일
   ══════════════════════════════════════════════ */

/* 폰트 */
* { box-sizing: border-box; }
body { font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif; }

/* ── 스크롤바 ──────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #64748b; }

/* ── 선택 색상 ─────────────────────────────── */
::selection { background: #bbf7d0; color: #14532d; }

/* ── 애드센스 슬롯 CLS 방지 ────────────────── */
.ad-slot {
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
}
.ad-slot--leaderboard  { min-height: 90px;  }
.ad-slot--rectangle   { min-height: 250px; }
.ad-slot--square      { min-height: 250px; }
.ad-slot--in-article  { min-height: 280px; }

/* ── 아티클 본문 스타일 ─────────────────────── */
.prose-article {
  color: #374151;
  font-size: 1rem;
  line-height: 1.8;
}
.prose-article h2 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #111827;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #f0fdf4;
}
.prose-article h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1f2937;
  margin: 1.5rem 0 0.75rem;
}
.prose-article p {
  margin: 1rem 0;
  line-height: 1.85;
}
.prose-article strong {
  font-weight: 700;
  color: #111827;
}
.prose-article blockquote {
  border-left: 4px solid #4ade80;
  background: #f0fdf4;
  padding: 0.75rem 1rem;
  border-radius: 0 0.5rem 0.5rem 0;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  color: #374151;
}

/* 테이블 */
.prose-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.prose-article table thead tr {
  background: #166a47;
  color: white;
}
.prose-article table thead th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 600;
}
.prose-article table tbody tr:nth-child(even) {
  background: #f8fafc;
}
.prose-article table tbody td {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: #374151;
  border-bottom: 1px solid #f1f5f9;
}

/* 리스트 */
.prose-article ul {
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}
.prose-article ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.25rem 0;
  font-size: 0.9rem;
}
.prose-article ol {
  margin: 1rem 0;
  padding-left: 1.25rem;
}
.prose-article ol li {
  padding: 0.2rem 0;
  font-size: 0.9rem;
}

/* ── 라인 클램프 ────────────────────────────── */
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ── 애니메이션 ─────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.animate-spin { animation: spin 1s linear infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.4s ease-out forwards; }

/* ── 진단기 결과 ─────────────────────────────── */
.diagnosis-score-ring {
  position: relative;
  width: 120px;
  height: 120px;
}
.diagnosis-score-ring svg {
  transform: rotate(-90deg);
}
.diagnosis-score-ring .score-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* ── 포스트 카드 호버 ─────────────────────────── */
.post-card-hover {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.post-card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

/* ── 스티키 사이드바 ─────────────────────────── */
.sticky-sidebar {
  position: sticky;
  top: 5.5rem;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
}

/* ── 목차 활성 ───────────────────────────────── */
.toc-item.active { color: #1a5c3e; font-weight: 600; }
.toc-item.active::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 14px;
  background: #1a5c3e;
  border-radius: 2px;
  margin-right: 6px;
  vertical-align: middle;
}

/* ── 프린트 스타일 ───────────────────────────── */
@media print {
  header, footer, .ad-slot, .sticky-sidebar, #faq-container + * { display: none !important; }
  .prose-article { font-size: 12pt; }
  .prose-article h2 { font-size: 14pt; }
  body { background: white; }
}

/* ── 모바일 최적화 ───────────────────────────── */
@media (max-width: 768px) {
  .prose-article { font-size: 0.95rem; }
  .prose-article h2 { font-size: 1.1rem; }
  .prose-article table { font-size: 0.8rem; }
  .prose-article table th,
  .prose-article table td { padding: 0.5rem 0.75rem; }
}

/* ── 4070 접근성: 큰 터치 영역 ──────────────── */
@media (max-width: 768px) {
  button, a {
    min-height: 44px;
  }
  nav a {
    min-height: auto;
  }
}

/* ── 진단 결과 그라데이션 ────────────────────── */
.grade-A { background: linear-gradient(135deg, #059669, #10b981); }
.grade-B { background: linear-gradient(135deg, #0284c7, #38bdf8); }
.grade-C { background: linear-gradient(135deg, #d97706, #fbbf24); }
.grade-D { background: linear-gradient(135deg, #dc2626, #f87171); }

/* 상황별 탭 전환 애니메이션 */
#situation-posts {
  transition: opacity 0.2s ease;
}
#situation-posts.loading {
  opacity: 0.4;
  pointer-events: none;
}

/* 관리자 코드 블록 */
code {
  font-family: 'Fira Code', 'Consolas', monospace;
  background: #f1f5f9;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
}