/* ==========================================================================
   더밸류연구소 게시판 보조 스타일 (style.css / pages.css 토큰 사용)
   ========================================================================== */

a.board-title-cell,
a.file-download-badge,
a.btn-download-large,
a.btn-back-to-list,
a.btn-action-pill,
a.research-card,
a.insight-article-card {
  text-decoration: none;
}

a.research-card,
a.insight-article-card {
  display: block;
  color: inherit;
}

.board-sort-select {
  padding: 7px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  background: var(--color-white);
}

.notice-pin-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
}

.sub-nav-ext {
  font-size: 0.7em;
  opacity: 0.6;
  margin-left: 2px;
}

/* 뉴스 리스트 (버핏연구소 투자뉴스 리스트형) */
.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--color-navy);
}

.news-list-item {
  border-bottom: 1px solid var(--color-border-light);
}

.news-list-item > a {
  display: flex;
  gap: 24px;
  padding: 24px 4px;
  color: inherit;
  text-decoration: none;
}

.news-list-item > a:hover .news-list-title {
  color: var(--color-primary);
}

.news-list-thumb {
  flex: 0 0 200px;
  height: 130px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-light);
}

.news-list-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.news-list-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-list-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.45;
  margin: 0;
}

.news-list-summary {
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-list-meta {
  margin-top: auto;
  display: flex;
  gap: 14px;
  font-size: 0.84rem;
  color: var(--color-light);
}

.news-list-empty {
  text-align: center;
  padding: 50px 0;
  color: var(--color-muted);
}

/* 본문 */
.post-content {
  line-height: 1.85;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.post-content img,
.post-content video,
.post-content iframe {
  max-width: 100%;
  height: auto;
}

.post-content table {
  max-width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
}

.post-content td,
.post-content th {
  border: 1px solid var(--color-border);
  padding: 6px 10px;
}

.data-article-download-card + .data-article-download-card {
  margin-top: -12px;
}

/* 통합 검색 */
.search-group {
  margin-bottom: 40px;
}

.search-group-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.search-group-head h2 {
  font-size: 1.2rem;
  color: var(--color-navy);
}

.search-group-head small {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-weight: 500;
}

.search-group-empty {
  color: var(--color-muted);
  font-size: 0.92rem;
  padding: 12px 0;
}

/* 독립리서치 (research.php) */
.research-feature-row { grid-template-columns: repeat(4, 1fr); }

.research-pay-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 40px;
  padding: 28px 32px;
  border-radius: var(--radius-md);
  background: var(--color-navy);
  color: #fff;
}
.research-pay-banner h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 6px; }
.research-pay-banner p { font-size: 0.92rem; opacity: 0.85; }
.research-pay-actions { display: flex; gap: 10px; flex-shrink: 0; }

/* 상세 하단 관련 콘텐츠 */
.related-posts { margin-top: 48px; }
.related-posts-title { font-size: 1.15rem; font-weight: 800; color: var(--color-navy); margin-bottom: 14px; }
.related-posts-list { list-style: none; padding: 0; margin: 0; border-top: 2px solid var(--color-navy); }
.related-posts-list li a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text, inherit);
}
.related-posts-list li a:hover .related-post-title { color: var(--color-primary); }
.related-post-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.related-post-meta { flex-shrink: 0; color: var(--color-muted); font-size: 0.86rem; }
.list-category-tag { color: var(--color-primary); font-weight: 700; margin-right: 6px; }

@media (max-width: 768px) {
  .col-hide-sm {
    display: none;
  }

  .board-table th,
  .board-table td {
    padding: 14px 10px;
  }

  .news-list-item > a {
    gap: 14px;
    padding: 18px 0;
  }

  .news-list-thumb {
    flex-basis: 110px;
    height: 80px;
  }

  .news-list-title {
    font-size: 1rem;
  }

  .news-list-summary {
    display: none;
  }

  .research-feature-row {
    grid-template-columns: 1fr 1fr;
  }

  .research-pay-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 20px;
  }

  .research-pay-actions {
    flex-wrap: wrap;
  }

  .related-post-meta {
    display: none;
  }

  .content-control-bar {
    flex-wrap: wrap;
    gap: 12px;
  }
}

@media print {
  .top-utility-bar, .site-header, .subpage-hero, .sub-nav-bar, .site-footer,
  .data-article-top-nav, .data-article-bottom-nav, .btn-download-large, .related-posts {
    display: none !important;
  }
}

/* 회원 (로그인 / 가입 / 마이페이지 / 약관) */
.member-container { max-width: 720px; }
.member-card {
  max-width: 440px;
  margin: 0 auto 24px;
  padding: 36px 32px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.06);
}
.member-card.wide { max-width: 720px; }
.member-card-title { font-size: 1.4rem; font-weight: 800; color: var(--color-navy); margin-bottom: 6px; }
.member-card-desc { color: var(--color-muted); font-size: 0.92rem; margin-bottom: 20px; }
.member-card-desc a, .member-links a { color: var(--color-primary); text-decoration: underline; }
.member-section-title { font-size: 1.05rem; font-weight: 800; color: var(--color-navy); margin: 28px 0 12px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.member-field { display: block; font-weight: 700; font-size: 0.92rem; color: var(--color-navy); margin-bottom: 14px; }
.member-field input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 400;
}
.member-field input:focus { outline: 2px solid var(--color-primary); outline-offset: -1px; border-color: var(--color-primary); }
.member-field small { display: block; margin-top: 4px; font-weight: 400; color: var(--color-muted); font-size: 0.82rem; }
.member-check { display: flex; align-items: center; gap: 8px; font-size: 0.92rem; margin: 10px 0 4px; cursor: pointer; }
.member-check input { width: 18px; height: 18px; flex-shrink: 0; }
.member-submit { width: 100%; justify-content: center; margin-top: 18px; padding: 14px; font-size: 1rem; border: 0; cursor: pointer; }
.member-submit.danger { background: #dc2626; }
.member-links { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-top: 16px; font-size: 0.88rem; color: var(--color-muted); }
.req { color: #dc2626; font-weight: 700; }
.opt { color: var(--color-muted); font-weight: 400; font-size: 0.85em; }
.member-alert { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.92rem; margin-bottom: 18px; }
.member-alert ul { margin: 0; padding-left: 18px; }
.member-alert.error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.member-alert.ok { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.member-terms { margin-bottom: 18px; }
.member-terms-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; font-size: 0.95rem; }
.member-terms-head a { font-size: 0.85rem; color: var(--color-primary); }
.member-terms-box {
  height: 140px;
  overflow-y: auto;
  padding: 12px 14px;
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-body);
}
.member-withdraw summary { cursor: pointer; font-weight: 700; color: var(--color-muted); }
.member-withdraw form { margin-top: 16px; }
.terms-body { font-size: 0.92rem; line-height: 1.8; color: var(--color-body); }
@media (max-width: 600px) {
  .member-card { padding: 28px 18px; }
}

/* 독립리서치 잠금 / 이용권 결제 */
.research-lock-box { text-align: center; padding: 48px 20px; margin: 24px 0; background: #f8fafc; border: 1px dashed var(--color-border); border-radius: var(--radius-md); }
.research-lock-box > i { font-size: 2rem; color: var(--color-primary); margin-bottom: 12px; }
.research-lock-box h2 { font-size: 1.25rem; font-weight: 800; color: var(--color-navy); margin-bottom: 8px; }
.research-lock-box p { color: var(--color-muted); margin-bottom: 20px; }
.research-lock-box .btn-navy { margin: 0 4px; }
.pay-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 20px 0; }
.pay-options { display: flex; flex-direction: column; gap: 10px; }
.pay-option { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border: 2px solid var(--color-border); border-radius: var(--radius-md); cursor: pointer; }
.pay-option:has(input:checked) { border-color: var(--color-primary); background: #f0f7ff; }
.pay-option input { width: 18px; height: 18px; flex-shrink: 0; }
.pay-option-body { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; width: 100%; }
.pay-option-body strong { font-size: 1.05rem; color: var(--color-navy); min-width: 52px; }
.pay-price { font-size: 1.2rem; font-weight: 800; color: var(--color-primary); }
.pay-discount { font-size: 0.85rem; color: #dc2626; }
.pay-discount del { color: var(--color-muted); margin-right: 4px; }
.pay-note { font-size: 0.85rem; color: var(--color-muted); margin-top: 8px; }
.pay-term { border-bottom: 1px solid var(--color-border); padding: 10px 0; }
.pay-term summary { cursor: pointer; font-weight: 700; color: var(--color-navy); font-size: 0.92rem; }
.pay-term summary span { display: block; font-weight: 400; color: var(--color-muted); font-size: 0.82rem; margin-top: 2px; }
.pay-term .member-terms-box { margin-top: 8px; }
#payment-method, #agreement { margin-top: 12px; }
.pay-history { margin: 8px 0; font-size: 0.88rem; }
.pay-refund-btn { margin-left: 6px; padding: 2px 8px; font-size: 0.8rem; border: 1px solid #dc2626; color: #dc2626; background: #fff; border-radius: 4px; cursor: pointer; }
@media (max-width: 768px) {
  .pay-grid { grid-template-columns: 1fr; }
}