/* ════════════════════════════════════════════════════════════
   KAONI Blog Skin v2 — www.kaoni.com 마스트헤드 실측 재현
   실측값: fixed 90px 흰 헤더 · GNB 18px/#333/hover #000 · 메가메뉴 전폭
           서브메뉴 13px/#333/hover #0070bb · 활성 #236eb6 · 퀵링크 #c3c3c3
           fancy-header: min-height 300px · 흰 글자 + text-shadow 1px 1px 1px #000
   팔레트: 남색 #384a6c · 블루 #1a639f · 포인트 #236eb6 · 푸터 #2a2f35
   ════════════════════════════════════════════════════════════ */

:root {
  --navy: #384a6c;
  --blue: #1a639f;
  --blue-dark: #144f80;
  --point: #236eb6;
  --gnb-hover: #0070bb;   /* www 실측: 서브메뉴 호버 */
  --ink: #2a2f35;
  --ink-2: #44505f;
  --gnb-text: #333;       /* www 실측: GNB 텍스트 */
  --gray: #6a737d;
  --gray-2: #8a949e;
  --quick: #c3c3c3;       /* www 실측: 퀵링크(kis) */
  --line: #e6e9ef;
  --line-2: #eef1f4;
  --bg-soft: #f6f8fa;
  --bg-tint: #eef3fa;
  --hero-text: #e8edf5;
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

/* ─── Reset ─── */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: #fff;
  line-height: 1.7;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  padding-top: 90px; /* fixed 마스트헤드 높이만큼 */
}
img { max-width: 100%; height: auto; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; font-size: 15px; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy); color: #fff; padding: 10px 18px; z-index: 999;
}
.skip-link:focus { left: 0; color: #fff; }

.btn-primary {
  background: var(--blue); color: #fff; border: 0; border-radius: 4px;
  padding: 9px 18px; font-size: 14px; font-weight: 600;
  transition: background .2s;
}
.btn-primary:hover { background: var(--blue-dark); }

/* ═══ 마스트헤드 (www 실측: position fixed / height 90px / 흰 배경) ═══ */
.masthead {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  height: 90px; background: #fff;
}
.masthead.is-scrolled { box-shadow: 0 2px 12px rgba(56, 74, 108, .12); }
.masthead-inner {
  max-width: 1180px; margin: 0 auto; padding: 0 24px;
  height: 90px; display: flex; align-items: center; justify-content: space-between;
}
.branding a { display: flex; align-items: center; }
.logo-desktop { display: block; }
.logo-mobile { display: none; }

.masthead-right { display: flex; align-items: center; gap: 22px; }

/* GNB (www 실측: 1뎁스 18px · span 500 · #333 · hover #000 · 화살표 없음) */
.gnb-list { display: flex; }
.gnb-item { }
.gnb-link {
  display: flex; align-items: center; height: 90px; padding: 0 17px;
  font-size: 18px; font-weight: 500; color: var(--gnb-text);
  transition: color .15s;
}
.gnb-link:hover, .gnb-item:hover > .gnb-link { color: #000; }
.gnb-link.is-active { color: var(--point); }

/* 메가메뉴 (www 실측: 화면 전폭 · 흰 배경 · 테두리 없음 · 중앙 정렬) */
.mega-panel {
  position: fixed; left: 0; right: 0; top: 90px;
  background: #fff; box-shadow: 0 14px 28px rgba(0, 0, 0, .08);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .18s, transform .18s, visibility .18s;
}
.gnb-item.has-mega:hover > .mega-panel,
.gnb-item.has-mega:focus-within > .mega-panel {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.mega-inner {
  max-width: 1180px; margin: 0 auto; padding: 30px 24px 34px;
  display: flex; justify-content: center; gap: 44px; flex-wrap: wrap;
}
.mega-col { text-align: left; min-width: 120px; }
.mega-col-img { display: flex; align-items: flex-start; padding-top: 2px; }
.mega-head {
  display: block; font-size: 13px; font-weight: 600; color: var(--gnb-text);
  margin-bottom: 9px; white-space: nowrap;
}
a.mega-head:hover { color: var(--gnb-hover); }
span.mega-head { cursor: default; }
.mega-col ul li a {
  display: block; padding: 4px 0; font-size: 13px; font-weight: 500;
  color: var(--gnb-text); white-space: nowrap;
}
.mega-col ul li a:hover { color: var(--gnb-hover); }

/* 퀵링크 (www 실측: .kis — #c3c3c3 bold) */
.quick-links { display: flex; align-items: center; gap: 16px; }
.kis {
  display: flex; align-items: center; gap: 5px;
  font-size: 13px; font-weight: 700; color: var(--quick);
}
.kis:hover { color: var(--gray); }
.kis img { height: 20px; width: auto; }

/* 햄버거 (모바일) */
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; }
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--ink);
  margin: 5px auto; transition: transform .2s, opacity .2s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══ 타이틀 밴드 (www fancy-header 실측: min-height 300px · 중앙 · 흰 글자 + 그림자) ═══ */
.fancy-hero {
  min-height: 300px; background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 40px 0;
}
.fancy-title {
  font-size: 34px; font-weight: 700; color: #fff;
  letter-spacing: -0.02em; text-shadow: 1px 1px 1px #000;
}
.fancy-subtitle {
  font-size: 20px; color: #fff; margin-top: 10px;
  text-shadow: 1px 1px 1px #000;
}

/* ═══ 레이아웃 ═══ */
.layout {
  display: flex; align-items: flex-start; gap: 48px;
  padding-top: 48px; padding-bottom: 72px;
}
.content-col { flex: 1; min-width: 0; }
.sidebar { width: 300px; flex-shrink: 0; }

/* 홈 화면: 사이드바 숨기고 커버 섹션 전폭 사용 (메일플러그 방식) */
#tt-body-index .layout { display: block; }
#tt-body-index .sidebar { display: none; }

/* ═══ 홈 커버 섹션 (최근 게시글 + 카테고리별 4개) ═══ */
.cover-section { margin-bottom: 56px; }
.cover-head {
  display: flex; align-items: baseline; justify-content: space-between;
  padding-bottom: 14px; margin-bottom: 24px;
  border-bottom: 2px solid var(--navy);
}
.cover-title { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.cover-more { font-size: 14px; color: var(--gray); flex-shrink: 0; }
.cover-more:hover { color: var(--blue); }
.cover-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.cover-card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  overflow: hidden; transition: transform .2s, box-shadow .2s;
}
.cover-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(56, 74, 108, .12);
}
.cover-card-body { padding: 14px 16px 18px; }
.cover-card-title {
  font-size: 15px; font-weight: 600; line-height: 1.45; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 2.9em;
}
.cover-card .card-link:hover .cover-card-title { color: var(--blue); }
.cover-card-date { display: block; font-size: 12px; color: var(--gray-2); margin-top: 8px; }
.cover-card-summary {
  font-size: 13px; color: var(--gray); margin-top: 6px; line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.cover-card .card-cate { margin-bottom: 8px; }

/* ═══ 카드 그리드 (목록·검색) ═══ */
.post-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.post-card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  overflow: hidden; transition: transform .2s, box-shadow .2s;
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(56, 74, 108, .12);
}
.card-link { display: block; color: inherit; }
.card-link:hover { color: inherit; }
.card-thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-soft); }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-body { padding: 20px 22px 22px; }
.card-cate {
  display: inline-block; font-size: 12px; font-weight: 700; color: var(--blue);
  background: var(--bg-tint); border-radius: 3px; padding: 2px 8px; margin-bottom: 10px;
}
.card-title {
  font-size: 18px; font-weight: 700; line-height: 1.45; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-link:hover .card-title { color: var(--blue); }
.card-summary {
  font-size: 14px; color: var(--gray); margin-top: 8px; line-height: 1.65;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta {
  display: flex; gap: 12px; align-items: center;
  font-size: 13px; color: var(--gray-2); margin-top: 14px;
}

/* ═══ 글 본문 ═══ */
.post-full { grid-column: 1 / -1; min-width: 0; }
.breadcrumb { font-size: 13px; color: var(--gray-2); margin-bottom: 18px; }
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--blue); }
.bc-sep { margin: 0 6px; }

.post-head { padding-bottom: 24px; border-bottom: 2px solid var(--navy); margin-bottom: 32px; }
.post-chip {
  display: inline-block; font-size: 12px; font-weight: 700; color: #fff;
  background: var(--navy); border-radius: 3px; padding: 2px 10px; margin-bottom: 12px;
}
.post-title { font-size: 30px; font-weight: 700; line-height: 1.35; letter-spacing: -0.02em; }
.post-meta { margin-top: 14px; font-size: 14px; color: var(--gray); }
.meta-cate { font-weight: 600; color: var(--blue); }
.meta-sep { margin: 0 8px; color: var(--line); }
.post-admin { margin-top: 10px; }
.post-admin a { font-size: 13px; color: var(--gray-2); margin-right: 12px; text-decoration: underline; }

.post-body { font-size: 17px; line-height: 1.85; color: var(--gnb-text); }
.post-body p { margin: 0 0 1.2em; }
.post-body h2 {
  font-size: 24px; margin: 2em 0 .8em; padding-bottom: 10px;
  border-bottom: 1px solid var(--line); letter-spacing: -0.02em;
}
.post-body h3 { font-size: 20px; margin: 1.8em 0 .7em; }
.post-body h4 { font-size: 17px; margin: 1.5em 0 .6em; }
.post-body ul, .post-body ol { margin: 0 0 1.2em 1.4em; }
.post-body ul { list-style: disc; }
.post-body ol { list-style: decimal; }
.post-body li { margin-bottom: .4em; }
.post-body img { border-radius: 8px; margin: 8px 0; }
.post-body blockquote {
  border-left: 3px solid var(--point); background: var(--bg-soft);
  padding: 16px 22px; margin: 0 0 1.2em; border-radius: 0 8px 8px 0;
  color: var(--ink-2);
}
.post-body a { text-decoration: underline; text-underline-offset: 3px; }
.post-body table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--navy); margin: 0 0 1.2em; font-size: 15px; }
.post-body th { background: var(--bg-soft); padding: 11px 12px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.post-body td { padding: 11px 12px; border-bottom: 1px solid var(--line-2); }
.post-body pre {
  background: var(--ink); color: var(--bg-soft); border-radius: 8px;
  padding: 18px 20px; overflow-x: auto; font-size: 14px; line-height: 1.6; margin: 0 0 1.2em;
}
.post-body code { font-size: .92em; }
.post-body p code, .post-body li code {
  background: var(--bg-tint); color: var(--blue-dark);
  border-radius: 3px; padding: 1px 6px;
}
.post-body hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }
.post-body iframe { max-width: 100%; }

.post-tags { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line-2); }
.post-tags a {
  display: inline-block; font-size: 13px; color: var(--ink-2);
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 999px; padding: 4px 14px; margin: 0 6px 8px 0;
}
.post-tags a:hover { color: var(--blue); border-color: var(--blue); background: var(--bg-tint); }

/* ─── 이전/다음 글 ─── */
.post-nav { display: flex; gap: 16px; margin-top: 40px; }
.post-nav-item {
  flex: 1; min-width: 0; display: block; border: 1px solid var(--line);
  border-radius: 8px; padding: 16px 20px; color: inherit;
}
.post-nav-item:hover { border-color: var(--blue); color: inherit; }
.post-nav-item.next { text-align: right; }
.pn-label { display: block; font-size: 12px; font-weight: 700; color: var(--gray-2); margin-bottom: 4px; }
.pn-title {
  display: block; font-size: 15px; font-weight: 600; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.post-nav-item:hover .pn-title { color: var(--blue); }

/* ─── 관련 글 ─── */
.section-title { font-size: 19px; font-weight: 700; margin-bottom: 18px; }
.related { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.related-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 18px; }
.related-list li a { display: block; color: inherit; }
.related-thumb {
  display: block; aspect-ratio: 16 / 9; overflow: hidden;
  border-radius: 6px; background: var(--bg-soft); margin-bottom: 10px;
}
.related-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.related-title {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 14px; font-weight: 600; line-height: 1.5; color: var(--ink);
}
.related-list a:hover .related-title { color: var(--blue); }
.related-date { display: block; font-size: 12px; color: var(--gray-2); margin-top: 6px; }

/* ─── 댓글 (티스토리 기본 댓글 위젯 톤 보정) ─── */
.comment-area { margin-top: 56px; padding-top: 32px; border-top: 2px solid var(--navy); }
.comment-area .tt-btn_register { background: var(--blue) !important; }
.comment-area .tt-link-user { color: var(--ink) !important; font-weight: 600; }

/* ─── 보호글 ─── */
.protected-box {
  border: 1px solid var(--line); border-radius: 8px;
  padding: 40px 36px; background: var(--bg-soft);
}
.protected-desc { margin: 18px 0; color: var(--gray); font-size: 15px; }
.protected-form { display: flex; gap: 10px; align-items: center; }
.protected-label { font-size: 14px; font-weight: 600; color: var(--ink-2); }
.protected-form input {
  border: 1px solid #d0d7de; border-radius: 4px; padding: 9px 12px; width: 200px;
}

/* ─── 목록 ─── */
.list-head { margin-bottom: 26px; padding-bottom: 16px; border-bottom: 2px solid var(--navy); }
.list-title { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.list-count { color: var(--point); font-weight: 700; }
.list-empty {
  text-align: center; color: var(--gray-2); padding: 80px 0;
  border-bottom: 1px solid var(--line-2);
}

/* ─── 방명록 / 태그 페이지 ─── */
.guestbook .list-title, .tagcloud .list-title {
  margin-bottom: 26px; padding-bottom: 16px; border-bottom: 2px solid var(--navy);
}
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-chip {
  display: inline-block; color: var(--ink-2); background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 16px;
}
.tag-chip:hover { color: var(--blue); border-color: var(--blue); background: var(--bg-tint); }
.tag-chip.cloud1 { font-size: 17px; font-weight: 700; color: var(--blue); }
.tag-chip.cloud2 { font-size: 16px; font-weight: 600; }
.tag-chip.cloud3 { font-size: 15px; }
.tag-chip.cloud4 { font-size: 14px; }
.tag-chip.cloud5 { font-size: 13px; color: var(--gray); }

/* ─── 페이징 ─── */
.paging { display: flex; justify-content: center; align-items: center; gap: 4px; margin-top: 48px; }
.page-btn, .page-num {
  display: inline-block; min-width: 36px; text-align: center;
  padding: 7px 12px; font-size: 14px; color: var(--ink-2);
  border: 1px solid var(--line); border-radius: 4px; background: #fff;
}
.page-btn:hover, .page-num:hover { border-color: var(--blue); color: var(--blue); }
.paging .no-more-prev, .paging .no-more-next { opacity: .35; pointer-events: none; }
.page-num.current, .page-num[class*="selected"] {
  background: var(--navy); color: #fff; border-color: var(--navy);
}

/* ─── 사이드바 ─── */
.widget { margin-bottom: 36px; }
.widget-title {
  font-size: 16px; font-weight: 700; padding-bottom: 12px; margin-bottom: 14px;
  border-bottom: 2px solid var(--navy);
}
.search-box { display: flex; gap: 8px; }
.search-box input {
  flex: 1; min-width: 0; border: 1px solid #d0d7de; border-radius: 4px; padding: 9px 12px;
}
.search-box input:focus { outline: 2px solid var(--point); outline-offset: -1px; border-color: var(--point); }

/* 카테고리 트리(티스토리 출력 구조 범용 스타일) */
.widget-cate ul { margin: 0; }
.widget-cate li { border-bottom: 1px solid var(--line-2); }
.widget-cate li:last-child { border-bottom: 0; }
.widget-cate a {
  display: block; padding: 9px 4px; font-size: 14px; color: var(--ink-2);
}
.widget-cate a:hover { color: var(--blue); background: var(--bg-tint); }
.widget-cate ul ul li { border-bottom: 0; }
.widget-cate ul ul a { padding-left: 18px; font-size: 13px; color: var(--gray); }
.widget-cate .c_cnt { color: var(--gray-2); font-size: 12px; margin-left: 4px; }

.widget-post-list li { margin-bottom: 14px; }
.widget-post-list a { display: flex; gap: 12px; align-items: flex-start; color: inherit; }
.wp-thumb {
  flex-shrink: 0; width: 72px; height: 48px; border-radius: 4px;
  overflow: hidden; background: var(--bg-soft);
}
.wp-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.wp-body { min-width: 0; }
.wp-title {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 14px; font-weight: 500; line-height: 1.45; color: var(--ink);
}
.widget-post-list a:hover .wp-title { color: var(--blue); }
.wp-date { display: block; font-size: 12px; color: var(--gray-2); margin-top: 3px; }

/* ─── 푸터 (www 실측: #2a2f35) ─── */
.site-footer { background: #2a2f35; color: var(--gray-2); margin-top: 40px; }
.footer-inner { padding: 40px 24px; text-align: center; }
.footer-brand { margin-bottom: 18px; }
.footer-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 24px; margin-bottom: 16px; }
.footer-links a { font-size: 13px; color: var(--gray-2); }
.footer-links a:hover { color: #fff; }
.footer-copy { font-size: 12px; color: var(--gray); }

/* ─── 반응형 ─── */
@media (max-width: 1024px) {
  .layout { flex-direction: column; gap: 56px; }
  .sidebar { width: 100%; }
  .cover-grid { grid-template-columns: repeat(2, 1fr); }
  .gnb-link { padding: 0 12px; font-size: 16px; }
  .quick-links { display: none; }
}

@media (max-width: 768px) {
  body { padding-top: 64px; }
  .masthead, .masthead-inner, .gnb-link { height: 64px; }
  .logo-desktop { display: none; }
  .logo-mobile { display: block; }
  .nav-toggle { display: block; }

  .masthead-right {
    display: none;
    position: fixed; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: 0 14px 28px rgba(56, 74, 108, .14);
    max-height: calc(100vh - 64px); overflow-y: auto;
    flex-direction: column; align-items: stretch; gap: 0;
  }
  .masthead-right.is-open { display: flex; }
  .gnb-list { flex-direction: column; padding: 8px 0; }
  .gnb-link { height: auto; padding: 13px 24px; font-size: 16px; }
  .gnb-link.is-active { box-shadow: inset 3px 0 0 var(--point); }

  .mega-panel {
    position: static; opacity: 1; visibility: visible; transform: none;
    display: none; box-shadow: none; background: var(--bg-soft);
  }
  .gnb-item.is-open > .mega-panel { display: block; }
  .mega-inner { flex-direction: column; gap: 18px; padding: 16px 24px 20px; }
  .mega-col-img { display: none; }
  .mega-col ul li a { padding: 6px 0 6px 12px; }

  .quick-links {
    display: flex; padding: 14px 24px 18px;
    border-top: 1px solid var(--line-2);
  }

  .fancy-hero { min-height: 200px; padding: 28px 0; }
  .fancy-title { font-size: 26px; }
  .fancy-subtitle { font-size: 16px; }

  .layout { padding-top: 32px; }
  .post-grid { grid-template-columns: 1fr; }
  .cover-grid { grid-template-columns: 1fr; }
  .post-title { font-size: 24px; }
  .post-body { font-size: 16px; }
  .post-nav { flex-direction: column; }
  .post-nav-item.next { text-align: left; }
}

@media (min-width: 481px) and (max-width: 768px) {
  .cover-grid { grid-template-columns: repeat(2, 1fr); }
}