/* Cache bust: NEXT_PUBLIC_CLUB_CSS_VERSION trong .env */
/* Tin tức — danh sách + chi tiết (đồng bộ CLB) */

/* ——— Danh sách /tin-tuc ——— */
.posts-page {
  background: var(--surface-cream-news);
  color: var(--text-primary);
}

/* ——— Hero banner (đồng bộ /lien-he — dùng members.css mặc định) ——— */
.posts-page .hero {
  --hero-content-width: min(96%, 42rem);
  min-height: clamp(18rem, 36vw, 27rem);
}

.posts-page .hero__tagline {
  max-width: none;
  line-height: 1.35;
  word-break: keep-all;
  text-wrap: pretty;
}

.posts-page .hero__bottom-banner {
  transform: translateY(40%);
}

.posts-page .hero__script {
  margin: 0 0 clamp(0.5rem, 1.2vw, 0.75rem);
  max-width: var(--hero-content-width);
  font-family: var(--font-sans);
  font-size: clamp(0.82rem, 1.45vw, 0.94rem);
  font-weight: 400;
  font-style: normal;
  line-height: 1.65;
  letter-spacing: normal;
  color: color-mix(in srgb, var(--text-primary) 78%, var(--text-muted));
  -webkit-text-fill-color: unset;
  filter: none;
}

.posts-archive {
  background: var(--surface-cream-news);
  color: var(--text-primary);
}

.posts-archive__body {
  position: relative;
  z-index: 10;
  background: var(--surface-cream-news);
  margin-top: clamp(-3rem, -6vw, -4.5rem);
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.posts-archive__breadcrumb {
  margin-bottom: clamp(0.85rem, 1.8vw, 1.15rem);
}

.posts-archive__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 22rem);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

.posts-archive__main {
  min-width: 0;
  scroll-margin-top: clamp(5rem, 14vw, 7.5rem);
}

/* Tabs danh mục */
.posts-archive-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 clamp(1rem, 2.5vw, 1.35rem);
}

.posts-archive-tabs__tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45em 0.9em;
  border-radius: 0.2rem;
  font-size: clamp(0.68rem, 0.85vw, 0.76rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--brand-red-dark);
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--brand-gold) 40%, var(--border-ui));
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
}

.posts-archive-tabs__tab:hover:not(.posts-archive-tabs__tab--active) {
  border-color: var(--brand-gold);
  background: color-mix(in srgb, var(--brand-gold) 10%, #fff);
  color: var(--brand-red-dark);
}

.posts-archive-tabs__tab--active {
  color: #fff;
  background: var(--brand-red-dark);
  border-color: var(--brand-red-dark);
}

.posts-archive-tabs__tab--active:hover,
.posts-archive-tabs__tab--active:focus-visible {
  color: #fff;
  background: var(--brand-red-accent);
  border-color: var(--brand-red-accent);
}

.posts-archive__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.posts-archive__hint-wrap {
  flex: 1;
}

.posts-archive__search-hint {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.posts-archive__search-mobile {
  display: none;
}

.posts-archive__empty {
  margin: 2rem 0;
  text-align: center;
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Danh sách bài — thẻ ngang */
.posts-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(0.85rem, 2vw, 1.15rem);
}

.posts-feed-card {
  margin: 0;
}

.posts-feed-card__link {
  display: grid;
  grid-template-columns: minmax(0, 13.5rem) minmax(0, 1fr);
  gap: clamp(0.85rem, 2vw, 1.15rem);
  padding: clamp(0.65rem, 1.5vw, 0.85rem);
  text-decoration: none;
  color: inherit;
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--brand-gold) 22%, #e8e0d6);
  border-radius: clamp(0.35rem, 0.75vw, 0.5rem);
  box-shadow: 0 0.08rem 0.3rem color-mix(in srgb, var(--text-primary) 6%, transparent);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.15s ease;
}

.posts-feed-card__link:hover {
  border-color: color-mix(in srgb, var(--brand-gold) 45%, var(--brand-red-mid));
  box-shadow: 0 0.12rem 0.45rem color-mix(in srgb, var(--brand-red-dark) 10%, transparent);
  transform: translateY(-1px);
}

.posts-feed-card__link:focus-visible {
  outline: 2px solid var(--brand-gold);
  outline-offset: 3px;
}

.posts-feed-card__media {
  position: relative;
  min-height: 7.5rem;
  border-radius: clamp(0.25rem, 0.5vw, 0.35rem);
  overflow: hidden;
}

.posts-feed-card__image,
.posts-feed-card__media [role='img'] {
  width: 100%;
  height: 100%;
  min-height: 7.5rem;
  object-fit: cover;
  display: block;
}

.posts-feed-card__badge {
  position: absolute;
  top: 0.45rem;
  right: 0.45rem;
  z-index: 1;
  padding: 0.2em 0.55em;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  background: var(--brand-red-dark);
  border-radius: 0.15rem;
}

.posts-feed-card__body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding-block: 0.15rem;
}

.posts-feed-card__category {
  margin: 0 0 0.25rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-red-accent);
}

.posts-feed-card__title {
  margin: 0 0 0.45rem;
  font-size: clamp(0.92rem, 1.2vw, 1.05rem);
  font-weight: 800;
  line-height: 1.38;
  color: var(--brand-red-dark);
}

.posts-feed-card__excerpt {
  margin: 0 0 0.65rem;
  flex: 1;
  font-size: clamp(0.78rem, 0.95vw, 0.86rem);
  line-height: 1.58;
  color: color-mix(in srgb, var(--text-primary) 75%, var(--text-muted));
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  max-height: 4.74em;
  overflow: hidden;
}

.posts-feed-card__footer {
  width: 100%;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid color-mix(in srgb, var(--border-ui) 80%, transparent);
}

.posts-feed-card__meta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.posts-feed-card__meta i {
  color: color-mix(in srgb, var(--brand-red-mid) 70%, var(--text-muted));
}

.posts-feed-card__cta {
  margin-left: auto;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand-red-accent);
  white-space: nowrap;
}

.posts-feed-card__link:hover .posts-feed-card__cta i {
  transform: translateX(3px);
}

.posts-feed-card__cta i {
  font-size: 0.75em;
  transition: transform 0.15s ease;
}

/* ——— Lưới 4 cột (/tin-tuc, /tin-tuc/tat-ca) ——— */
.posts-grid {
  display: grid;
  gap: clamp(1rem, 2vw, 1.35rem);
}

.posts-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.posts-grid-card {
  margin: 0;
  height: 100%;
}

.posts-grid-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(50, 20, 20, 0.08);
  transition:
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.posts-grid-card__link:hover {
  box-shadow: 0 12px 32px rgba(74, 12, 12, 0.14);
  transform: translateY(-2px);
}

.posts-grid-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--placeholder-bg);
}

.posts-grid-card__image,
.posts-grid-card__media [role='img'] {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.posts-grid-card__badge {
  position: absolute;
  left: 0.65rem;
  bottom: 0.65rem;
  padding: 0.2rem 0.55rem;
  border-radius: 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #fff;
  background: var(--brand-red-dark);
}

.posts-grid-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.45rem;
  padding: clamp(0.75rem, 1.5vw, 0.95rem);
}

.posts-grid-card__title {
  margin: 0;
  font-size: clamp(0.92rem, 1.6vw, 1.02rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--brand-red-dark);
}

.posts-grid-card__excerpt {
  margin: 0;
  flex: 1;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--text-muted, #5c5348);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  max-height: 4.5em;
  overflow: hidden;
}

.posts-grid-card__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  margin-top: auto;
  padding-top: 0.35rem;
}

.posts-grid-card__meta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--text-muted, #5c5348);
}

.posts-archive__view-all {
  margin-top: clamp(1.25rem, 2.5vw, 1.75rem);
  text-align: center;
}

@media (max-width: 1024px) {
  .posts-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .posts-grid--4 {
    grid-template-columns: 1fr;
  }
}

/* Sidebar danh sách */
.posts-aside {
  display: flex;
  flex-direction: column;
  gap: clamp(0.85rem, 2vw, 1.15rem);
  position: sticky;
  top: 1rem;
}

.posts-aside__search {
  display: flex;
  align-items: stretch;
  overflow: hidden;
  border-radius: 0.25rem;
  border: 1px solid color-mix(in srgb, var(--brand-gold) 35%, var(--border-ui));
  background: #fff;
}

.posts-aside__search-input {
  flex: 1;
  min-width: 0;
  border: 0;
  padding: 0.55rem 0.75rem;
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--text-primary);
  background: transparent;
}

.posts-aside__search-input:focus {
  outline: none;
}

.posts-aside__search:focus-within {
  border-color: var(--brand-gold);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand-gold) 25%, transparent);
}

.posts-aside__search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  border: 0;
  cursor: pointer;
  color: #fff;
  background: var(--brand-red-dark);
  transition: background 0.15s ease;
}

.posts-aside__search-btn:hover {
  background: var(--brand-red-mid);
}

.posts-aside__box {
  padding: clamp(0.85rem, 2vw, 1.1rem);
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--brand-gold) 22%, var(--border-ui));
  border-radius: clamp(0.35rem, 0.75vw, 0.5rem);
  width: 100%;
}

.posts-aside__title {
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-red-dark);
  border-bottom: 2px solid var(--brand-gold);
}

.posts-aside__cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.posts-aside__cat-list > li + li {
  margin-top: 0.15rem;
}

.posts-aside__cat-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-primary);
  border-radius: 0.2rem;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}

.posts-aside__cat-link i {
  width: 1.1rem;
  text-align: center;
  color: var(--brand-red-accent);
  font-size: 0.85em;
}

.posts-aside__cat-count {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.posts-aside__cat-link:hover,
.posts-aside__cat-link--active {
  color: var(--brand-red-dark);
  background: color-mix(in srgb, var(--brand-gold) 12%, #fff);
}

.posts-aside__popular-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.posts-aside__popular-list > li + li {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid color-mix(in srgb, var(--border-ui) 70%, transparent);
}

.posts-aside__popular-link {
  display: grid;
  grid-template-columns: 1.35rem minmax(3.25rem, 4rem) minmax(0, 1fr);
  gap: 0.5rem;
  align-items: start;
  text-decoration: none;
  color: inherit;
}

.posts-aside__popular-rank {
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.2;
  color: var(--brand-gold);
}

.posts-aside__popular-thumb {
  display: block;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 0.2rem;
  border: 1px solid color-mix(in srgb, var(--border-ui) 80%, transparent);
}

.posts-aside__popular-thumb img,
.posts-aside__popular-thumb [role='img'] {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.posts-aside__popular-body {
  min-width: 0;
}

.posts-aside__popular-name {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  max-height: 2.7em;
  overflow: hidden;
}

.posts-aside__popular-link:hover .posts-aside__popular-name {
  color: var(--brand-red-accent);
}

.posts-aside__popular-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  margin-top: 0.2rem;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.posts-aside__popular-views {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.posts-aside__qr {
  padding: clamp(1rem, 2.5vw, 1.25rem);
  text-align: center;
  color: #fff;
  background: linear-gradient(
    165deg,
    var(--brand-red-dark) 0%,
    color-mix(in srgb, var(--brand-red-mid) 90%, #1a0506) 100%
  );
  border: 2px solid var(--brand-gold);
  border-radius: clamp(0.35rem, 0.75vw, 0.5rem);
}

.posts-aside__qr-title {
  margin: 0 0 0.5rem;
  font-size: clamp(0.78rem, 1vw, 0.88rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.35;
  color: var(--brand-gold);
}

.posts-aside__qr-lead {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  line-height: 1.5;
  color: color-mix(in srgb, #fff 85%, var(--brand-gold-soft));
}

.posts-aside__qr-frame {
  margin: 0 auto 0.85rem;
  max-width: 9rem;
  padding: 0.35rem;
  background: #fff;
  border-radius: 0.25rem;
}

.posts-aside__qr-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.posts-aside__qr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55em 1.25em;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--brand-red-dark);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--brand-gold-light) 88%, #fff) 0%,
    var(--brand-gold) 100%
  );
  border-radius: 0.25rem;
  box-shadow: 0 1px 3px color-mix(in srgb, #000 20%, transparent);
  transition:
    filter 0.15s ease,
    transform 0.15s ease;
}

.posts-aside__qr-btn:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

/* Phân trang */
.posts-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.75rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding-top: 1.5rem;
  border-top: var(--section-divider);
}

.posts-pagination__pages {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.posts-pagination__btn,
.posts-pagination__page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  min-height: 2.25rem;
  padding: 0.35rem 0.75rem;
  border-radius: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--brand-red-dark);
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--brand-gold) 35%, var(--border-ui));
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
}

.posts-pagination__btn:hover,
.posts-pagination__page:hover {
  border-color: var(--brand-gold);
  color: var(--brand-red-dark);
  background: color-mix(in srgb, var(--brand-gold) 12%, #fff);
}

.posts-pagination__page--active {
  background: var(--brand-red-dark);
  color: #fff;
  border-color: var(--brand-red-dark);
}

.posts-pagination__btn--icon {
  min-width: 2.35rem;
  padding-inline: 0.5rem;
}

.posts-pagination__btn--disabled {
  opacity: 0.45;
  pointer-events: none;
}

.posts-pagination__ellipsis {
  padding: 0 0.25rem;
  color: var(--text-muted);
  font-weight: 700;
}

@media (max-width: 992px) {
  .posts-archive__layout {
    display: flex;
    flex-direction: column;
  }

  .posts-archive__search-mobile {
    display: flex;
    align-items: stretch;
    overflow: hidden;
    border-radius: 0.25rem;
    border: 1px solid color-mix(in srgb, var(--brand-gold) 35%, var(--border-ui));
    background: #fff;
    max-width: 14rem;
  }

  .posts-archive__search-input {
    flex: 1;
    min-width: 0;
    border: 0;
    padding: 0.4rem 0.5rem;
    font-size: 0.8rem;
    font-family: inherit;
    background: transparent;
  }
  .posts-archive__search-input:focus {
    outline: none;
  }

  .posts-archive__search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    border: 0;
    color: #fff;
    background: var(--brand-red-dark);
    cursor: pointer;
  }

  .posts-aside {
    display: contents;
  }

  .posts-aside__search {
    display: none;
  }

  .posts-archive__main {
    order: 0;
  }

  .posts-aside__box,
  .posts-aside__qr {
    order: 1;
  }
}

@media (max-width: 768px) {
  .posts-feed-card__link {
    grid-template-columns: minmax(0, 1fr);
  }

  .posts-feed-card__cta {
    margin-left: auto;
    width: auto;
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  .posts-archive-tabs__tab {
    font-size: 0.65rem;
    padding-inline: 0.65em;
  }

  .posts-pagination__btn {
    font-size: 0.8rem;
    padding-inline: 0.5rem;
  }
}

/* ——— Chi tiết bài viết (layout 2 cột) ——— */

.post-detail {
  background: var(--surface-cream-news);
  color: var(--text-primary);
}

.post-detail__wrap {
  padding-block: clamp(1rem, 2.5vw, 1.5rem) clamp(2.5rem, 5vw, 3.5rem);
}

.post-detail__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  margin: 0 0 clamp(1rem, 2.5vw, 1.35rem);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.post-detail__crumb a {
  color: var(--brand-red-accent);
  text-decoration: none;
}

.post-detail__crumb a:hover {
  text-decoration: underline;
  color: var(--brand-red-dark);
}

.post-detail__crumb-current {
  color: var(--text-primary);
}

.post-detail__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 22rem);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

.post-detail__main {
  min-width: 0;
  padding: clamp(1.15rem, 2.5vw, 1.65rem);
  background: #fff;
  border-radius: 0.35rem;
  border: 1px solid color-mix(in srgb, var(--brand-gold) 22%, #ebe4da);
  box-shadow: 0 0.2rem 0.75rem color-mix(in srgb, var(--brand-red-dark) 5%, transparent);
}

.post-detail__header {
  margin-bottom: 1.15rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--brand-gold) 22%, #ebe4da);
}

.post-detail__title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 800;
  line-height: 1.28;
  color: var(--brand-red-dark);
}

.post-detail__byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}

.post-detail__meta-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.post-detail__meta-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.post-detail__meta-list i {
  color: color-mix(in srgb, var(--brand-red-accent) 85%, var(--text-muted));
  font-size: 0.9em;
}

.post-detail__share {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.post-detail__share-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.post-detail__share-list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-detail__share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: none;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.post-detail__share-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.post-detail__share-btn--facebook {
  background: #1877f2;
}

.post-detail__share-btn--x {
  background: #000;
}

.post-detail__share-btn--linkedin {
  background: #0a66c2;
}

.post-detail__share-btn--print {
  background: color-mix(in srgb, var(--text-muted) 75%, #333);
}

/* Ảnh bìa full width */
.post-detail__lead {
  margin: 0 0 1.5rem;
  padding: 0;
}

.post-detail__lead-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.25rem;
  border: 1px solid color-mix(in srgb, var(--brand-gold) 18%, #e8e0d6);
}

.post-detail__lead-caption {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  font-style: italic;
  line-height: 1.5;
  text-align: center;
  color: var(--brand-red-accent);
}

.post-detail__content {
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--text-primary);
}

.post-detail__content :where(p, li, blockquote) {
  color: var(--text-primary);
}

.post-detail__content :where(p) {
  margin: 0 0 1.05em;
}

.post-detail__content :where(p:first-child) {
  font-size: 1.08em;
  line-height: 1.72;
  color: color-mix(in srgb, var(--text-primary) 92%, var(--text-muted));
}

.post-detail__content :where(strong, b) {
  color: var(--brand-red-dark);
  font-weight: 700;
}

.post-detail__content :where(h1, h2, h3, h4) {
  margin-top: 1.65em;
  margin-bottom: 0.55em;
  font-weight: 800;
  line-height: 1.28;
  color: var(--brand-red-dark);
}

.post-detail__content :where(h2) {
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid color-mix(in srgb, var(--brand-gold) 55%, transparent);
}

.post-detail__content :where(ul:not([class])) {
  list-style: none;
  padding-left: 0;
}

.post-detail__content :where(ul:not([class]) > li) {
  position: relative;
  padding-left: 1.45rem;
}

.post-detail__content :where(ul:not([class]) > li)::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 0.15em;
  color: var(--brand-gold);
  font-size: 0.85em;
}

.post-detail__content :where(h3) {
  font-size: 1.12rem;
}

.post-detail__content :where(blockquote) {
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  border: 1px solid color-mix(in srgb, var(--brand-red-accent) 35%, transparent);
  border-left: 4px solid var(--brand-red-accent);
  background: color-mix(in srgb, var(--brand-gold) 14%, #fff);
  border-radius: 0.25rem;
  font-style: italic;
  text-align: center;
  color: var(--brand-red-dark);
}

.post-detail__content :where(a) {
  color: var(--brand-red-accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.post-detail__content :where(a:hover) {
  color: var(--brand-red-dark);
}

.post-detail__content :where(ul, ol) {
  margin: 0 0 1.1rem;
  padding-left: 1.4rem;
}

.post-detail__content :where(li) {
  margin-bottom: 0.4rem;
}

.post-detail__content :where(figure) {
  margin: 1.5rem 0;
}

.post-detail__content :where(figcaption) {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 0.45rem;
}

.post-detail__content :where(img) {
  width: 100%;
  height: auto;
  border-radius: 0.35rem;
  border: 1px solid color-mix(in srgb, var(--brand-gold) 22%, var(--border-ui));
}

.post-detail__content .payload-richtext__hr {
  margin: 1.85rem 0;
  border: 0;
  border-top: 2px solid color-mix(in srgb, var(--brand-gold) 50%, var(--border-ui));
}

.post-detail__content .border {
  border-color: color-mix(in srgb, var(--brand-gold) 40%, var(--border-ui)) !important;
}

/* Banner «Thông báo» trong rich text — nền sáng (không dùng bg-card tối của theme) */
.post-detail__content :where(.bg-card),
.post-detail__content .my-8.w-full > .border.rounded {
  background: color-mix(in srgb, var(--brand-gold) 14%, #fff9f4) !important;
  color: var(--brand-red-dark) !important;
  border: 1px solid color-mix(in srgb, var(--brand-red-accent) 32%, var(--brand-gold)) !important;
  border-radius: 0.35rem !important;
}

.post-detail__content .my-8.w-full > .border.rounded :where(p) {
  margin: 0 !important;
  color: var(--brand-red-dark) !important;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.55;
}

.post-detail__content .my-8.w-full > .border.rounded :where(strong, b) {
  color: var(--brand-red-accent) !important;
}

/* Từ khóa */
.post-detail__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid color-mix(in srgb, var(--brand-gold) 22%, #ebe4da);
}

.post-detail__tags-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
}

.post-detail__tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-detail__tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-primary);
  background: color-mix(in srgb, var(--text-primary) 6%, #fff);
  border: 1px solid color-mix(in srgb, var(--text-primary) 12%, transparent);
}

.post-detail__tag:hover {
  border-color: var(--brand-gold);
  color: var(--brand-red-dark);
}

/* Prev / Next */
.post-detail__adjacent {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.post-detail__adjacent-link {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem 1rem;
  text-decoration: none;
  color: inherit;
  background: color-mix(in srgb, var(--brand-gold) 8%, #fff);
  border: 1px solid color-mix(in srgb, var(--brand-gold) 28%, #ebe4da);
  border-radius: 0.3rem;
  transition:
    border-color 0.15s ease,
    background 0.15s ease;
}

.post-detail__adjacent-link--next {
  text-align: right;
}

.post-detail__adjacent-link--empty {
  visibility: hidden;
  pointer-events: none;
}

.post-detail__adjacent-link:hover {
  border-color: var(--brand-gold);
  background: color-mix(in srgb, var(--brand-gold) 16%, #fff);
}

.post-detail__adjacent-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--brand-red-accent);
}

.post-detail__adjacent-title {
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--brand-red-dark);
}

/* Sidebar */
.post-detail__aside {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.post-aside__box {
  padding: 1rem 1.05rem;
  background: #fff;
  border-radius: 0.35rem;
  border: 1px solid color-mix(in srgb, var(--brand-gold) 22%, #ebe4da);
  box-shadow: 0 0.15rem 0.5rem color-mix(in srgb, var(--brand-red-dark) 4%, transparent);
}

.post-aside__title {
  margin: 0 0 0.85rem;
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--brand-gold);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--brand-red-dark);
}

.post-aside__related-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-aside__related-list > li + li {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid color-mix(in srgb, var(--brand-gold) 15%, #ebe4da);
}

.post-aside__related-link {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
}

.post-aside__related-link:hover .post-aside__related-name {
  color: var(--brand-red-accent);
}

.post-aside__related-thumb {
  flex-shrink: 0;
  width: 4.25rem;
  height: 3rem;
  overflow: hidden;
  border-radius: 0.2rem;
  background: var(--placeholder-bg);
}

.post-aside__related-thumb img,
.post-aside__related-thumb [role='img'] {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-aside__related-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.post-aside__related-name {
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  max-height: 2.7em;
  overflow: hidden;
}

.post-aside__related-date {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.post-aside__more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.85rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--brand-red-accent);
}

.post-aside__more:hover {
  color: var(--brand-red-dark);
  text-decoration: underline;
}

.post-aside__cat-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-aside__cat-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.5rem;
  border-radius: 0.2rem;
  font-size: 0.84rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-primary);
  transition: background 0.15s ease;
}

.post-aside__cat-link i {
  width: 1.1rem;
  color: var(--brand-red-accent);
  text-align: center;
}

.post-aside__cat-empty {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--club-muted, #6b5b4f);
}

.post-aside__cat-empty code {
  font-size: 0.8em;
}

.post-aside__cat-link:hover,
.post-aside__cat-link--active {
  background: color-mix(in srgb, var(--brand-gold) 22%, #fff);
  color: var(--brand-red-dark);
}

.post-aside__qr {
  padding: 1.1rem 1rem;
  text-align: center;
  color: #fff;
  background: linear-gradient(
    160deg,
    var(--brand-red-dark) 0%,
    color-mix(in srgb, var(--brand-red-mid) 92%, #1a0506) 100%
  );
  border-radius: 0.35rem;
  border: 1px solid color-mix(in srgb, var(--brand-gold) 40%, transparent);
}

.post-aside__qr-title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.3;
}

.post-aside__qr-lead {
  margin: 0 0 0.85rem;
  font-size: 0.8rem;
  line-height: 1.45;
  color: color-mix(in srgb, #fff 88%, var(--brand-gold));
}

.post-aside__qr-frame {
  display: inline-block;
  padding: 0.45rem;
  margin-bottom: 0.85rem;
  background: #fff;
  border-radius: 0.25rem;
}

.post-aside__qr-frame img {
  display: block;
  width: min(100%, 9.5rem);
  height: auto;
  margin-inline: auto;
}

.post-aside__qr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55em 1.25em;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--brand-red-dark);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--brand-gold-light) 90%, #fff) 0%,
    var(--brand-gold) 100%
  );
  border-radius: 0.25rem;
  box-shadow: 0 1px 4px color-mix(in srgb, #000 20%, transparent);
}

.post-aside__qr-btn:hover {
  filter: brightness(1.05);
}

/* Tablet: sidebar 1 cột sớm hơn, khối QR + CTA không tràn/cắt */
@media (max-width: 1024px) {
  .post-detail__layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-detail__aside {
    order: 2;
  }

  .post-aside__qr {
    padding: clamp(1rem, 2.5vw, 1.2rem);
  }

  .post-aside__qr-title {
    font-size: clamp(0.9rem, 2.2vw, 1rem);
  }

  .post-aside__qr-lead {
    font-size: clamp(0.75rem, 1.8vw, 0.8rem);
  }

  .post-aside__qr-frame {
    display: block;
    width: 100%;
    max-width: min(10rem, 40vw);
    margin-inline: auto;
    margin-bottom: 0.85rem;
  }

  .post-aside__qr-frame img {
    width: 100%;
    max-width: none;
  }

  .post-aside__qr-btn {
    display: flex;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    margin-inline: auto;
    padding: 0.6em 1em;
    font-size: clamp(0.72rem, 1.75vw, 0.82rem);
    line-height: 1.35;
    letter-spacing: 0.03em;
    text-align: center;
    white-space: normal;
    word-break: break-word;
  }

  /* /tin-tuc: sidebar 2 cột còn hẹp (~993–1024px) */
  .posts-aside__qr-btn {
    display: flex;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0.55em 0.75em;
    font-size: clamp(0.68rem, 1.6vw, 0.76rem);
    line-height: 1.35;
    letter-spacing: 0.02em;
    text-align: center;
    white-space: normal;
    word-break: break-word;
  }
}

@media (max-width: 992px) {
  .posts-aside__qr {
    padding: clamp(1rem, 2.5vw, 1.2rem);
  }

  .posts-aside__qr-frame {
    max-width: min(10rem, 42vw);
  }

  .posts-aside__qr-btn {
    display: flex;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    margin-inline: auto;
    padding: 0.6em 1em;
    font-size: clamp(0.72rem, 1.75vw, 0.78rem);
    line-height: 1.35;
    letter-spacing: 0.03em;
    text-align: center;
    white-space: normal;
    word-break: break-word;
  }

  .posts-page .hero,
  .post-detail-page .hero {
    min-height: auto;
  }
  .posts-page .hero__content,
  .post-detail-page .hero__content {
    padding: clamp(0.75rem, 2.5vw, 1rem) 0 clamp(0.65rem, 2vw, 0.85rem);
  }
  .posts-page .hero__bottom-banner,
  .post-detail-page .hero__bottom-banner {
    transform: translateY(42%);
  }
  
  .posts-archive__body,
  .post-detail__wrap {
    margin-top: clamp(0.75rem, 2vw, 1.25rem);
  }
}

@media (max-width: 640px) {
  .post-detail__byline {
    flex-direction: column;
    align-items: flex-start;
  }

  .post-detail__adjacent {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-detail__adjacent-link--next {
    text-align: left;
  }

  .post-detail__main {
    padding-inline: 1rem;
  }
}

@media print {
  .post-detail__aside,
  .post-detail__share,
  .post-detail__crumb {
    display: none !important;
  }

  .post-detail__layout {
    grid-template-columns: 1fr;
  }
}