/* ==========================================================================
   블로그 공통 스타일  (/static/css/blog.css)
   - 반드시 styles.css 다음에 로드하세요. (색상 변수 --primary 등을 그대로 사용)
   - Bootstrap 클래스(.container, .breadcrumb 등)와 충돌하지 않도록
     blog-, crumbs, qa- 접두어를 사용했습니다.
   ========================================================================== */

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

/* ── 브레드크럼 ─────────────────────────────────────────── */
.crumbs { max-width: 800px; margin: 20px auto 0; padding: 0 20px; font-size: 0.85rem; color: #718096; }
.crumbs a { color: #718096; text-decoration: none; }
.crumbs a:hover { color: var(--primary); text-decoration: underline; }
.crumbs .sep { margin: 0 6px; }

/* ── 글 본문 카드 ───────────────────────────────────────── */
.blog-container { max-width: 800px; margin: 16px auto 40px; padding: 0 20px; }
.blog-article { background: #fff; padding: 40px 50px; border-radius: 16px; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05); font-size: 16px; line-height: 1.8; color: #4a5568; }
.blog-article h1 { font-size: 2.1rem; font-weight: 800; color: var(--text-dark); margin: 0 0 20px; line-height: 1.4; word-break: keep-all; }
.blog-article h2 { font-size: 1.5rem; font-weight: 700; color: var(--primary); line-height: 1.4; margin: 40px 0 15px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-soft-bg); word-break: keep-all; }
.blog-article h3 { font-size: 1.2rem; font-weight: 600; color: var(--text-dark); line-height: 1.5; margin: 25px 0 10px; word-break: keep-all; }
.blog-article p { margin: 0 0 20px; color: #4a5568; text-align: justify; word-break: keep-all; }
.blog-article ul { margin: 0 0 20px; padding-left: 20px; color: #4a5568; }
.blog-article li { margin-bottom: 10px; word-break: keep-all; }
.blog-article a { color: var(--primary); }
.blog-article strong { color: var(--text-dark); }

.byline { font-size: 0.9rem; color: #718096; margin: 0 0 30px !important; padding-bottom: 20px; border-bottom: 1px solid #dfe6ee; text-align: left !important; }
.byline strong { color: #4a5568; }
.highlight { background-color: var(--primary-soft-bg); padding: 2px 6px; border-radius: 4px; font-weight: 600; color: var(--primary); }
.reference-sup { color: #3182ce !important; font-size: 0.8em; vertical-align: super; text-decoration: none; font-weight: bold; }

.note-box { background-color: var(--primary-soft-bg); border-left: 4px solid var(--primary); padding: 16px 20px; border-radius: 8px; margin: 25px 0; font-size: 0.95rem; color: #4a5568; word-break: keep-all; }
.note-box strong { color: var(--primary); }
.warning-box { background-color: #fffaf0; border-left: 4px solid #dd6b20; padding: 16px 20px; border-radius: 8px; margin: 25px 0; font-size: 0.95rem; color: #4a5568; word-break: keep-all; }
.warning-box strong { color: #c05621; }

.evidence-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.9rem; }
.evidence-table th, .evidence-table td { border: 1px solid #dfe6ee; padding: 10px 12px; text-align: left; vertical-align: top; color: #4a5568; word-break: keep-all; }
.evidence-table th { background-color: var(--primary-soft-bg); color: var(--primary); font-weight: 700; }
.evidence-table td strong { color: var(--text-dark); }
.table-scroll { overflow-x: auto; }

/* ── 육각형 다이어그램 ──────────────────────────────────── */
.hex-figure { margin: 25px 0; text-align: center; }
.hex-figure svg { width: 100%; max-width: 460px; height: auto; }
.hex-figure figcaption { font-size: 0.85rem; color: #718096; margin-top: 8px; }
.hex-line { fill: var(--primary-soft-bg); stroke: var(--primary); stroke-width: 2; }
.hex-diag { stroke: #a9bcd8; stroke-width: 1; stroke-dasharray: 4 4; }
.hex-node { fill: var(--primary); }
.hex-letter { fill: #ffffff; font-size: 20px; font-weight: 800; text-anchor: middle; dominant-baseline: central; font-family: 'Noto Sans KR', sans-serif; }
.hex-name { fill: #1e2a38; font-size: 14px; font-weight: 600; font-family: 'Noto Sans KR', sans-serif; }

/* ── 유형 상세 ──────────────────────────────────────────── */
.type-head { display: flex; align-items: center; gap: 12px; margin: 30px 0 10px; }
.type-head h3 { margin: 0; }
.type-badge { flex: none; width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; }
.type-meta { font-size: 0.95rem; }
.type-meta strong { color: var(--text-dark); }

/* ── 유형별 세부 글 링크 카드 ───────────────────────────── */
.spoke-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 20px 0; }
.blog-article a.spoke-card { display: block; padding: 16px 18px; border: 1px solid #edf2f7; border-radius: 14px; text-decoration: none; background: #fbfcfe; transition: border-color 0.2s ease, background-color 0.2s ease; }
.blog-article a.spoke-card:hover { border-color: var(--primary-light); background: var(--primary-soft-bg); }
.spoke-title { display: block; font-weight: 700; color: var(--text-dark); margin-bottom: 2px; }
.spoke-desc { display: block; font-size: 0.88rem; color: #6c7a85; line-height: 1.6; }

/* ── FAQ (styles.css의 .faq-item과 충돌하지 않도록 qa- 사용) ── */
.qa-item { margin-bottom: 20px; }
.blog-article .qa-q { font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.blog-article .qa-a { color: #4a5568; margin-bottom: 0; }

/* ── 진단 도구 CTA ──────────────────────────────────────── */
.blog-cta { text-align: center; background: linear-gradient(135deg, rgba(38,87,166,0.08), rgba(38,87,166,0.04)); border: 1px solid rgba(38,87,166,0.15); border-radius: 16px; padding: 28px 20px; margin: 30px 0 10px; }
.blog-article .blog-cta p { text-align: center; margin-bottom: 14px; color: var(--text-dark); font-weight: 600; }
.blog-article a.cta-button { display: inline-block; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; text-decoration: none; font-weight: 700; padding: 14px 32px; border-radius: 14px; box-shadow: 0 8px 22px rgba(38,87,166,0.28); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.blog-article a.cta-button:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(38,87,166,0.36); color: #fff; }
.cta-note { display: block; margin-top: 12px; font-size: 0.85rem; color: #8a98a3; }

/* ── 참고자료 · 면책 ────────────────────────────────────── */
.references-section { background-color: #f8fafc; padding: 25px; border-radius: 12px; margin-top: 40px; border: 1px solid #dfe6ee; }
.blog-article .references-section h2 { margin-top: 0; border-bottom: none; font-size: 1.3rem; color: var(--text-dark); }
.references-section ol { padding-left: 20px; font-size: 0.9rem; color: #4a5568; margin-bottom: 0; }
.references-section li { margin-bottom: 8px; word-break: break-all; }
.blog-article .references-section a { color: #3182ce; text-decoration: none; }
.blog-article .references-section a:hover { text-decoration: underline; }
.blog-article p.disclaimer { font-size: 0.85rem; color: #718096; margin-top: 30px; padding-top: 20px; border-top: 1px solid #dfe6ee; }

.post-nav { text-align: center; margin: 20px 0 6px; }
.post-nav a { display: inline-flex; align-items: center; gap: 8px; padding: 10px 24px; background: var(--primary-soft-bg); color: var(--primary); font-weight: 600; font-size: 0.95rem; text-decoration: none; border-radius: 50px; transition: all 0.3s ease; margin: 0 4px 8px; }
.post-nav a:hover { background: var(--primary); color: #fff; }
.post-nav svg { width: 18px; height: 18px; fill: currentColor; }

.ad-slot { margin: 30px 0; text-align: center; }

/* ══════════════ 블로그 목록 (/blog) ══════════════ */
.blog-hero { max-width: 980px; margin: 0 auto; padding: 56px 16px 0; }
.blog-hero h1 { font-size: 2rem; font-weight: 800; color: var(--text-dark); line-height: 1.35; margin: 0 0 12px; word-break: keep-all; }
.blog-hero p { color: #6c7a85; font-size: 0.98rem; max-width: 640px; margin: 0; line-height: 1.75; word-break: keep-all; }

.cat-tabs { max-width: 980px; margin: 0 auto; padding: 26px 16px 0; display: flex; flex-wrap: wrap; gap: 12px; }
.cat-tab { border: 1.5px solid #ced4da; background: #fff; color: #525961; padding: 7px 16px; border-radius: 12px; font-size: 0.88rem; font-weight: 600; cursor: pointer; font-family: inherit; transition: all 0.15s ease; }
.cat-tab:hover { border-color: var(--primary-light); color: var(--primary); }
.cat-tab.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.cat-tab:focus-visible, .post-card:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }

.cat-intro { max-width: 980px; margin: 18px auto 0; padding: 0 16px; }
.cat-intro-item { background: #fff; border-radius: 16px; padding: 20px 24px; box-shadow: 0 4px 16px rgba(0,0,0,0.04); }
.cat-intro-item h2 { font-size: 1.02rem; font-weight: 800; color: var(--primary-darker); margin: 0 0 8px; }
.cat-intro-item p { font-size: 0.9rem; color: #5a6b76; line-height: 1.8; margin: 0; word-break: keep-all; }
.cat-intro-item[hidden], .post-card[hidden] { display: none !important; }

.post-grid { max-width: 980px; margin: 0 auto; padding: 24px 16px 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 18px; }
.post-card { display: flex; flex-direction: column; background: #fff; border: 1px solid #edf2f7; border-radius: 16px; padding: 22px; text-decoration: none; box-shadow: 0 4px 16px rgba(0,0,0,0.04); transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.post-card:hover { border-color: var(--primary-light); box-shadow: 0 8px 24px rgba(21,50,95,0.10); }
.post-cat { align-self: flex-start; font-size: 0.75rem; font-weight: 700; color: var(--primary-darker); background: var(--primary-soft-bg); padding: 3px 10px; border-radius: 99px; margin-bottom: 12px; }
.post-title { font-size: 1.08rem; font-weight: 800; color: var(--text-dark); line-height: 1.5; margin: 0 0 8px; word-break: keep-all; }
.post-excerpt { font-size: 0.86rem; color: #6c7a85; line-height: 1.7; flex: 1; margin: 0 0 14px; word-break: keep-all; }
.post-meta { font-size: 0.78rem; color: #8a98a3; }

/* ── 모바일 ─────────────────────────────────────────────── */
@media (max-width: 768px) {
    .blog-article { padding: 25px 20px; }
    .blog-article h1 { font-size: 1.7rem; }
    .blog-hero { padding-top: 36px; }
    .blog-hero h1 { font-size: 1.6rem; }
    .spoke-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .post-card, .cat-tab, .spoke-card, .cta-button, .post-nav a { transition: none !important; }
}