/* ─── 변수 ─────────────────────────────────── */
:root {
  --color-primary:   #2563eb;
  --color-primary-h: #1d4ed8;
  --color-bg:        #f8fafc;
  --color-surface:   #ffffff;
  --color-border:    #e2e8f0;
  --color-text:      #1e293b;
  --color-muted:     #64748b;
  --color-danger:    #ef4444;
  --color-success:   #22c55e;
  --radius:          0.5rem;
  --shadow-sm:       0 1px 3px rgba(0,0,0,.08);
  --shadow-md:       0 4px 12px rgba(0,0,0,.1);
  --font:            'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container-w:     1200px;
}

/* ─── 리셋 ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; }
.main-content { flex: 1; }

/* ─── 컨테이너 ──────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ─── 헤더 ─────────────────────────────────── */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 64px;
}
.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  flex-shrink: 0;
}
.logo-text { font-size: 1.25rem; font-weight: 800; color: var(--color-text); }
.logo-dot  { color: var(--color-primary); }
.logo-sub  { font-size: 0.65rem; color: var(--color-muted); letter-spacing: .05em; }

.site-nav { flex: 1; }
.nav-list { list-style: none; display: flex; gap: 0.25rem; }
.nav-link {
  display: block;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: background .15s, color .15s;
}
.nav-link:hover, .nav-link.active {
  background: #eff6ff;
  color: var(--color-primary);
}

.header-search {
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 2rem;
  overflow: hidden;
  padding: 0 0.5rem 0 1rem;
}
.header-search input {
  border: none;
  background: transparent;
  outline: none;
  width: 160px;
  font-size: 0.875rem;
}
.header-search button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-muted);
  display: flex;
  padding: 0.25rem;
}

.menu-toggle { display: none; }

/* ─── 히어로 ─────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  color: #fff;
  padding: 2.5rem 0;
}
.page-hero-title { font-size: 1.75rem; font-weight: 700; }
.page-hero-desc  { margin-top: .5rem; opacity: .85; }

/* ─── 기사 그리드 ────────────────────────────── */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0;
}
.article-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
  display: flex;
  flex-direction: column;
}
.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card-thumb-link { display: block; aspect-ratio: 16/9; overflow: hidden; }
.card-thumb { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.card-thumb-link:hover .card-thumb { transform: scale(1.04); }

.card-body { padding: 1.1rem; flex: 1; display: flex; flex-direction: column; }
.card-category {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-primary);
  margin-bottom: .4rem;
}
.card-title { font-size: 1rem; font-weight: 600; line-height: 1.4; margin-bottom: .5rem; flex: 1; }
.card-title a:hover { color: var(--color-primary); }
.card-summary { font-size: .85rem; color: var(--color-muted); line-height: 1.5; margin-bottom: .75rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; justify-content: space-between; font-size: .78rem; color: var(--color-muted); margin-top: auto; }

/* ─── 기사 상세 ──────────────────────────────── */
.article-container { padding: 2rem 1.25rem; max-width: 820px; }
.article-header { margin-bottom: 2rem; }
.article-category { font-size: .8rem; font-weight: 600; color: var(--color-primary); margin-bottom: .5rem; display: inline-block; }
.article-title { font-size: 1.75rem; font-weight: 700; line-height: 1.35; }
.article-meta { display: flex; gap: 1rem; font-size: .82rem; color: var(--color-muted); margin: .75rem 0 1rem; flex-wrap: wrap; }
.article-thumb { width: 100%; border-radius: var(--radius); margin-bottom: 1.5rem; }
.article-summary {
  font-size: 1.05rem; color: var(--color-muted); border-left: 3px solid var(--color-primary);
  padding-left: 1rem; margin-bottom: 1.5rem; font-style: italic;
}
.article-content { font-size: 1rem; line-height: 1.85; }
.article-content p { margin-bottom: 1rem; }
.article-source { font-size: .82rem; color: var(--color-muted); margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.article-footer { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--color-border); }
.share-buttons { display: flex; gap: .75rem; align-items: center; font-size: .85rem; }
.share-btn { padding: .4rem 1rem; border-radius: 2rem; font-size: .8rem; font-weight: 600; }
.share-twitter  { background: #1da1f2; color: #fff; }
.share-facebook { background: #1877f2; color: #fff; }

/* ─── 검색 ──────────────────────────────────── */
.search-header { padding: 2rem 0 1rem; }
.search-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 1rem; }
.search-count { font-size: 1rem; color: var(--color-muted); font-weight: 400; }
.search-form { display: flex; gap: .5rem; max-width: 540px; }
.search-input { flex: 1; padding: .6rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius); }
.search-submit { padding: .6rem 1.25rem; background: var(--color-primary); color: #fff;
  border: none; border-radius: var(--radius); cursor: pointer; font-weight: 600; }
.search-submit:hover { background: var(--color-primary-h); }

/* ─── 페이지네이션 ───────────────────────────── */
.pagination { display: flex; gap: .4rem; justify-content: center; padding: 2rem 0; }
.page-link {
  padding: .45rem .9rem; border-radius: var(--radius);
  border: 1px solid var(--color-border); font-size: .875rem; color: var(--color-muted);
  transition: background .15s, color .15s;
}
.page-link:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.page-link.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ─── 공통 컴포넌트 ──────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .5rem 1.25rem; border-radius: var(--radius);
  font-size: .875rem; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: background .15s, color .15s, border-color .15s;
  text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-h); }
.btn-outline { border-color: var(--color-border); color: var(--color-text); background: var(--color-surface); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-danger { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn-sm { padding: .3rem .75rem; font-size: .8rem; }
.btn-block { width: 100%; }

.alert { padding: .9rem 1.1rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: .9rem; }
.alert-error { background: #fef2f2; border: 1px solid #fca5a5; color: #b91c1c; }
.alert ul { padding-left: 1.2rem; }

.empty-state { text-align: center; padding: 4rem 1rem; color: var(--color-muted); }
.badge {
  display: inline-block; padding: .2rem .55rem; border-radius: 2rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
}
.badge-published { background: #dcfce7; color: #16a34a; }
.badge-draft     { background: #fef9c3; color: #a16207; }
.badge-hidden    { background: #f1f5f9; color: var(--color-muted); }

/* ─── 에러 페이지 ────────────────────────────── */
.error-page {
  text-align: center; padding: 6rem 1rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
.error-page h1 { font-size: 6rem; font-weight: 900; color: var(--color-primary); line-height: 1; }
.error-page p { font-size: 1.1rem; color: var(--color-muted); }
.error-page a { color: var(--color-primary); font-weight: 600; }

/* ─── 푸터 ─────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  margin-top: auto;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer-copy { font-size: .85rem; color: var(--color-muted); }
.footer-nav { display: flex; gap: 1rem; }
.footer-nav a { font-size: .82rem; color: var(--color-muted); }
.footer-nav a:hover { color: var(--color-primary); }

/* ─── 반응형 ─────────────────────────────────── */
@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; height: auto; padding: .75rem 0; }
  .site-nav { order: 3; width: 100%; display: none; }
  .site-nav.open { display: block; }
  .nav-list { flex-direction: column; gap: 0; }
  .header-search { order: 2; }
  .menu-toggle {
    display: flex; flex-direction: column; gap: 4px;
    background: none; border: none; cursor: pointer; padding: .4rem;
  }
  .menu-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; }

  .article-grid { grid-template-columns: 1fr; gap: 1rem; }
  .article-title { font-size: 1.4rem; }
  .footer-inner { flex-direction: column; text-align: center; }
}