/* EducationTrainingPortal.TinBai — scoped blog list & detail (module-only, no font-size) */

.etp-tinbai-list-page,
.etp-tinbai-detail {
  --etp-tinbai-accent: #0a4d8c;
  --etp-tinbai-accent-deep: #c9a227;
  --etp-tinbai-text: #1a1a1a;
  --etp-tinbai-muted: #6b7280;
  --etp-tinbai-border: #e8edf2;
  --etp-tinbai-surface: #f4f6f8;
}

.etp-tinbai-list-page .title_h1_detail,
.etp-tinbai-detail .title_h1_detail {
  margin-bottom: 1rem;
}

/* ── Shared ─────────────────────────────────────────── */

.etp-tinbai-list-page .content-page,
.etp-tinbai-detail .content-page {
  border: 2px solid var(--etp-tinbai-accent);
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.etp-db-list-layout {
  align-items: start;
}

.etp-list-featured {
  display: block;
  text-decoration: none;
  color: inherit;
  margin-bottom: 1rem;
  border: 1px solid var(--etp-tinbai-border);
  border-radius: 0.75rem;
  overflow: hidden;
  background: #fff;
}

.etp-list-featured__media {
  aspect-ratio: 16 / 9;
  background: var(--etp-tinbai-surface);
}

.etp-list-featured__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.etp-list-featured__body {
  padding: 1rem;
}

.etp-list-featured__title {
  margin: 0 0 0.6rem;
  font-weight: 700;
  line-height: 1.35;
  font-size: clamp(1.05rem, 1.4vw, 1.35rem);
}

.etp-list-featured__lead {
  margin: 0.5rem 0 0;
  color: #4b5563;
  line-height: 1.6;
}

.etp-list-item {
  display: flex;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--etp-tinbai-border);
}

.etp-list-items .etp-list-item:first-child {
  padding-top: 0;
}

.etp-list-item__media {
  width: 120px;
  height: 84px;
  flex-shrink: 0;
  border-radius: 0.4rem;
  overflow: hidden;
  background: var(--etp-tinbai-surface);
}

.etp-list-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.etp-list-item__title {
  margin: 0 0 0.35rem;
  line-height: 1.35;
  font-weight: 600;
  font-size: 1rem;
}

.etp-list-item__lead {
  margin: 0.35rem 0 0;
  color: #4b5563;
  line-height: 1.55;
}

.etp-list-sidebar {
  position: sticky;
  top: 7rem;
}

.etp-list-sidebar__title {
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--etp-tinbai-accent);
  font-weight: 700;
  color: var(--etp-tinbai-accent);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.etp-list-sidebar__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.etp-list-sidebar__list li {
  border-bottom: 1px solid var(--etp-tinbai-border);
}

.etp-list-sidebar__list a {
  display: block;
  padding: 0.6rem 0;
  text-decoration: none;
  color: var(--etp-tinbai-text);
  line-height: 1.4;
}

.etp-list-sidebar__item-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.etp-list-sidebar__list a:hover {
  color: var(--etp-tinbai-accent);
}

@media (max-width: 991px) {
  .etp-list-sidebar {
    position: static;
  }

  .etp-list-featured__title {
    font-size: 1.1rem;
  }

  .etp-list-item__title {
    font-size: 0.98rem;
  }
}

.etp-tinbai-empty {
  text-align: center;
  color: var(--etp-tinbai-muted);
  margin: 2rem 0;
}

.etp-tinbai-list-page .content-page .ec-post-grid,
.etp-tinbai-list-page .content-page .ec-post-grid * {
  text-align: left;
}

.etp-tinbai-list-page .content-page ul,
.etp-tinbai-detail .content-page .ec-article-toc__panel ul {
  margin-left: 0;
  padding-left: 0;
}

.etp-tinbai-list-page .content-page .ec-post-item,
.etp-tinbai-list-page .content-page .ec-post-grid > * {
  list-style: none !important;
}

.ec-post-card__meta,
.ec-article-metabar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  color: var(--etp-tinbai-muted);
}

.ec-post-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.ec-post-meta-item .fa {
  flex-shrink: 0;
  color: var(--etp-tinbai-accent);
}

/* ── Detail layout ──────────────────────────────────── */

.ec-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 991px) {
  .ec-article-layout {
    grid-template-columns: 1fr;
  }
}

.ec-article-main {
  min-width: 0;
}

.ec-article-main > *,
.etp-tinbai-list-page .content-page > * {
  max-width: 100%;
}

.ec-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.ec-article-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-weight: 600;
  color: var(--etp-tinbai-accent);
  background: rgba(232, 93, 38, 0.1);
}

.ec-article-title {
  font-weight: 700;
  line-height: 1.35;
  color: var(--etp-tinbai-text);
  margin: 0 0 0.5rem;
}

.ec-article-subtitle {
  line-height: 1.55;
  color: #374151;
  margin: 0 0 0.85rem;
}

.ec-article-metabar {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--etp-tinbai-border);
}

.ec-article-lead {
  background: var(--etp-tinbai-surface);
  border-radius: 0.5rem;
  padding: 1rem 1.15rem;
  line-height: 1.7;
  color: #374151;
  margin-bottom: 1.25rem;
}

.ec-article-toc {
  margin-bottom: 1.25rem;
  border: 1px solid var(--etp-tinbai-border);
  border-radius: 0.5rem;
  overflow: hidden;
  background: var(--etp-tinbai-surface);
}

.ec-article-toc__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  border: 0;
  background: transparent;
  font-weight: 600;
  color: var(--etp-tinbai-text);
  cursor: pointer;
  text-align: left;
}

.ec-article-toc__toggle:hover {
  color: var(--etp-tinbai-accent);
}

.ec-article-toc__chevron {
  margin-left: auto;
  transition: transform 0.2s ease;
}

.ec-article-toc__toggle[aria-expanded='true'] .ec-article-toc__chevron {
  transform: rotate(180deg);
}

.ec-article-toc__panel {
  padding: 0 1rem 1rem;
}

.ec-article-toc__panel ol {
  margin: 0;
  padding-left: 1.1rem;
}

.ec-article-toc__panel li {
  list-style: decimal !important;
  margin-bottom: 0.35rem;
}

.ec-article-toc__panel a {
  color: #374151;
  text-decoration: none;
  line-height: 1.45;
}

.ec-article-toc__panel a:hover {
  color: var(--etp-tinbai-accent);
}

.ec-article-hero-img {
  width: 100%;
  border-radius: 0.65rem;
  margin-bottom: 1.25rem;
  display: block;
}

.etp-tinbai-detail .ec-prose {
  line-height: 1.8;
  color: #333;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.etp-tinbai-detail .ec-prose h2,
.etp-tinbai-detail .ec-prose h3 {
  color: var(--etp-tinbai-accent);
  font-weight: 700;
}

.etp-tinbai-detail .ec-prose img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  margin: 1rem auto;
  display: block;
}

.etp-tinbai-detail .ec-prose table,
.etp-tinbai-detail .ec-prose iframe,
.etp-tinbai-detail .ec-prose video,
.etp-tinbai-detail .ec-prose embed,
.etp-tinbai-detail .ec-prose object,
.etp-tinbai-detail .ec-prose pre {
  max-width: 100%;
}

.etp-tinbai-detail .ec-prose table {
  display: block;
  width: 100%;
  overflow-x: auto;
}

.etp-tinbai-detail .ec-prose pre,
.etp-tinbai-detail .ec-prose code {
  white-space: pre-wrap;
  word-break: break-word;
}

.etp-tinbai-detail .ec-prose p:not(:last-child) {
  margin-bottom: 1rem;
}

.ec-article-keywords {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--etp-tinbai-border);
}

.ec-article-keywords__label {
  color: var(--etp-tinbai-muted);
}

.ec-article-keyword {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 0.35rem;
  background: #eef2f7;
  color: #374151;
}

/* ── Sidebar ────────────────────────────────────────── */

.ec-article-sidebar {
  position: sticky;
  top: 7rem;
}

.ec-sidebar-title {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--etp-tinbai-accent);
  padding-bottom: 0.65rem;
  margin: 0 0 1rem;
  border-bottom: 2px solid var(--etp-tinbai-accent);
}

.ec-sidebar-post {
  margin-bottom: 0.85rem;
}

.ec-sidebar-post__link {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  text-decoration: none;
  color: inherit;
}

.ec-sidebar-post__link:hover .ec-sidebar-post__title {
  color: var(--etp-tinbai-accent);
}

.ec-sidebar-post__img-wrap {
  flex-shrink: 0;
  width: 76px;
  height: 56px;
  border-radius: 0.4rem;
  overflow: hidden;
  background: var(--etp-tinbai-surface);
}

.ec-sidebar-post__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ec-sidebar-post__body {
  min-width: 0;
  flex: 1;
}

.ec-sidebar-post__title {
  margin: 0 0 0.25rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--etp-tinbai-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

.ec-sidebar-post__date {
  color: var(--etp-tinbai-muted);
}

.ec-sidebar-empty {
  color: var(--etp-tinbai-muted);
  margin: 0;
}