/* ═══════════════════════════════════════════════════════════
   blog-cards.css — 블로그 카드/허브 공용 스타일 (Brand CI Minimal 준수)
   사용처: /blog 허브, 홈 "치과 건강 정보" 섹션, 진료 페이지 "관련 글" 블록
   규율: 1px 헤어라인 · 소프트 섀도 · radius 12px · 한 블록 = 한 앵센트(틸)
═══════════════════════════════════════════════════════════ */

/* ── 카드 그리드 ───────────────────────────────────────── */
.bp-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md, 1.5rem);
}
@media (max-width: 1024px) { .bp-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px)  { .bp-grid { grid-template-columns: 1fr; } }

.bp-card {
  background: #fff;
  border: 1px solid var(--color-line, #e3e7e7);
  border-radius: var(--radius-card, 12px);
  overflow: hidden;
  box-shadow: var(--shadow-hard-sm, 0 1px 2px rgba(27,32,34,.05), 0 2px 8px rgba(27,32,34,.05));
  transition: transform .22s var(--ease-out, cubic-bezier(.16,1,.3,1)), box-shadow .22s var(--ease-out, cubic-bezier(.16,1,.3,1));
  display: flex; flex-direction: column;
}
.bp-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hard, 0 1px 3px rgba(27,32,34,.06), 0 4px 16px rgba(27,32,34,.06)); }
.bp-card[hidden] { display: none; }
.bp-card-link { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.bp-card-thumb {
  margin: 0; aspect-ratio: 16 / 9; background: var(--color-paper-2, #eef1f1);
  overflow: hidden; display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--color-line, #e3e7e7);
}
.bp-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bp-thumb-ph { color: var(--color-accent, #0ba29a); font-size: 2rem; opacity: .45; }
.bp-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.bp-card-cat {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 11px; letter-spacing: .14em; font-weight: 700;
  color: var(--color-accent-text, #006864); text-transform: uppercase;
}
.bp-card-title {
  font-family: var(--font-display, "Pretendard Variable", sans-serif);
  font-size: 1.05rem; font-weight: 700; line-height: 1.4; letter-spacing: -0.01em;
  color: var(--color-ink, #1b2022); margin: 0; word-break: keep-all;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.bp-card-summary {
  font-size: 14px; line-height: 1.65; color: var(--color-muted, #5d6670); margin: 0; flex: 1; word-break: keep-all;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.bp-card-meta {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 12px; color: var(--color-muted, #5d6670); margin: 6px 0 0;
}

/* ── 섹션 헤더(홈·진료 페이지 임베드용) ───────────────── */
.bp-section { padding: 5rem var(--space-sm, 1rem); }
#blog-latest.bp-section { padding-left: 1rem; padding-right: 1rem; }
.bp-section-inner { max-width: 80rem; margin: 0 auto; }
.bp-section-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
  margin-bottom: var(--space-lg, 2rem); flex-wrap: wrap;
}
.bp-section-head .kicker {
  font-family: var(--font-mono, "JetBrains Mono", monospace);
  font-size: 11.5px; letter-spacing: .18em; font-weight: 700;
  color: var(--color-accent-2-text, #b33a0a); display: block; margin-bottom: 8px;
}
.bp-section-head h2 {
  font-family: var(--font-display, "Pretendard Variable", sans-serif);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 700; letter-spacing: -0.015em; line-height: 1.2;
  color: var(--color-ink, #1b2022); margin: 0;
}
.bp-section-head p { color: var(--color-muted, #5d6670); margin: 8px 0 0; max-width: 42rem; font-size: 15px; line-height: 1.7; word-break: keep-all; }
.bp-more {
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  font-weight: 700; font-size: 14px; color: var(--color-accent-text, #006864);
  text-decoration: none; padding: 10px 16px; border: 1px solid var(--color-line, #e3e7e7); border-radius: 8px; background: #fff;
  transition: transform .2s, box-shadow .2s;
}
.bp-more:hover { transform: translateY(-2px); box-shadow: var(--shadow-hard-sm); text-decoration: none; }

/* ── 허브 전용 ──────────────────────────────────────────── */
.bp-hub-head { padding: calc(72px + var(--space-xl, 3rem)) var(--space-sm, 1rem) var(--space-lg, 2rem); border-bottom: 1px solid var(--color-line, #e3e7e7); background: var(--color-paper, #f5f7f7); }
.bp-hub-head-inner { max-width: 80rem; margin: 0 auto; }
.bp-hub-head .kicker { font-family: var(--font-mono, monospace); font-size: 11.5px; letter-spacing: .18em; color: var(--color-accent-2-text, #b33a0a); font-weight: 700; display: block; margin-bottom: 10px; }
.bp-hub-head h1 { font-family: var(--font-display, sans-serif); font-weight: 700; font-size: var(--text-display-s, clamp(2.25rem, 4.5vw, 3.5rem)); line-height: 1.2; letter-spacing: -0.015em; color: var(--color-ink, #1b2022); margin: 0 0 12px; word-break: keep-all; }
.bp-hub-head .lede { color: var(--color-muted, #5d6670); font-size: var(--text-md, 1.0625rem); max-width: 48rem; line-height: 1.8; margin: 0 0 20px; word-break: keep-all; }
.bp-stats { display: flex; flex-wrap: wrap; gap: 8px 32px; margin: 0; padding: 14px 0 0; border-top: 1px solid var(--color-line, #e3e7e7); }
.bp-stats div { display: flex; gap: 8px; align-items: baseline; }
.bp-stats dt { font-size: 12px; color: var(--color-muted, #5d6670); }
.bp-stats dd { margin: 0; font-family: var(--font-mono, monospace); font-size: 13px; font-weight: 600; color: var(--color-ink, #1b2022); }

.bp-toolbar {
  position: sticky; top: 72px; z-index: 30; background: rgba(255,255,255,.96); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line, #e3e7e7);
}
.bp-toolbar-inner { max-width: 80rem; margin: 0 auto; padding: 10px var(--space-sm, 1rem); display: flex; gap: 12px; align-items: center; }
.bp-pills { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; flex: 1; min-width: 0; }
.bp-pills::-webkit-scrollbar { display: none; }
.bp-pill {
  flex-shrink: 0; padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; cursor: pointer;
  border: 1px solid var(--color-line, #e3e7e7); background: #fff; color: var(--color-muted, #5d6670); white-space: nowrap;
  transition: all .18s;
}
.bp-pill span { font-family: var(--font-mono, monospace); font-size: 11px; opacity: .7; margin-left: 2px; }
.bp-pill:hover { border-color: var(--color-accent, #0ba29a); color: var(--color-accent-text, #006864); }
.bp-pill.is-active { background: var(--color-accent-text, #006864); border-color: var(--color-accent-text, #006864); color: #fff; }
.bp-pill.is-active span { opacity: .85; }
.bp-search { display: flex; align-items: center; gap: 8px; border: 1px solid var(--color-line, #e3e7e7); border-radius: 999px; padding: 6px 14px; background: #fff; flex: 0 1 280px; min-width: 140px; }
.bp-search:focus-within { border-color: var(--color-accent, #0ba29a); }
.bp-search i { color: var(--color-muted, #5d6670); font-size: 12px; }
.bp-search input { border: 0; outline: 0; background: none; font-size: 13px; width: 100%; min-width: 0; font-family: inherit; color: var(--color-ink, #1b2022); }

.bp-hub-main { max-width: 80rem; margin: 0 auto; padding: var(--space-xl, 3rem) var(--space-sm, 1rem) var(--space-2xl, 4.5rem); }
.bp-result { font-size: 13px; color: var(--color-muted, #5d6670); margin: 0 0 16px; font-family: var(--font-mono, monospace); }
.bp-empty { text-align: center; color: var(--color-muted, #5d6670); padding: 60px 20px; border: 1px dashed var(--color-line, #e3e7e7); border-radius: 12px; }
.bp-loadmore-wrap { text-align: center; margin-top: var(--space-lg, 2rem); }
.bp-loadmore {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 8px; font-weight: 700; font-size: 14px;
  background: var(--color-accent-text, #006864); color: #fff; border: 0; cursor: pointer;
  box-shadow: var(--shadow-hard-sm); transition: transform .2s, box-shadow .2s;
}
.bp-loadmore:hover { transform: translateY(-2px); box-shadow: var(--shadow-hard); }
.bp-loadmore[hidden] { display: none; }

/* 허브 하단: 주제별 안내(크롤러용 텍스트 링크 클러스터) */
.bp-topics { margin-top: var(--space-2xl, 4.5rem); padding-top: var(--space-xl, 3rem); border-top: 1px solid var(--color-line, #e3e7e7); }
.bp-topics h2 { font-family: var(--font-display, sans-serif); font-size: 1.4rem; font-weight: 700; margin: 0 0 6px; color: var(--color-ink, #1b2022); }
.bp-topics > p { color: var(--color-muted, #5d6670); margin: 0 0 24px; font-size: 15px; line-height: 1.7; word-break: keep-all; }
.bp-topic-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.bp-topic { background: #fff; border: 1px solid var(--color-line, #e3e7e7); border-radius: 12px; padding: 20px 22px; }
.bp-topic h3 { font-size: 1rem; font-weight: 700; margin: 0 0 6px; color: var(--color-ink, #1b2022); }
.bp-topic p { font-size: 13.5px; color: var(--color-muted, #5d6670); line-height: 1.65; margin: 0 0 12px; word-break: keep-all; }
.bp-topic a { color: var(--color-accent-text, #006864); font-weight: 600; font-size: 14px; text-decoration: none; }
.bp-topic a:hover { text-decoration: underline; text-underline-offset: 4px; }
.bp-topic a::after { content: " →"; }

/* SPA(static/blog.html) 정적 최신글 목록 */
.bp-static-list { list-style: none; margin: 0; padding: 0; }
.bp-static-list li { padding: 8px 0; border-bottom: 1px solid var(--border, #e5e7eb); font-size: 13px; line-height: 1.45; }
.bp-static-list li:last-child { border-bottom: 0; }
.bp-static-list a { color: inherit; font-weight: 600; text-decoration: none; }
.bp-static-list time { display: block; font-size: 11px; color: #9ca3af; margin-top: 2px; }