.articles-page {
  --article-image-aspect-ratio: 16 / 9;
  --article-recent-image-aspect-ratio: 4 / 3;
  --article-detail-image-max-height: 520px;

  padding: var(--ui-space-2xl) var(--ui-space-md) var(--ui-space-4xl);
  background: var(--ui-color-background);
}

.articles-page__inner {
  width: min(100%, var(--ui-page-content-width));
  margin: 0 auto;
}

.articles-page__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--ui-article-sidebar-width);
  gap: var(--ui-space-2xl);
  align-items: start;
}

.articles-heading {
  margin-bottom: var(--ui-space-lg);
}

.articles-heading__title {
  display: flex;
  gap: var(--ui-space-sm);
  align-items: center;
  margin: 0 0 var(--ui-space-sm);
  font-size: var(--ui-font-size-title);
  font-weight: 700;
  line-height: var(--ui-line-height-normal);
}

.articles-heading__title::before {
  display: inline-block;
  width: var(--ui-border-width-lg);
  height: 1.5em;
  border-radius: var(--ui-radius-pill);
  background: var(--ui-color-primary);
  content: "";
}

.articles-heading__lead {
  margin: 0;
  color: var(--ui-color-muted);
  line-height: var(--ui-line-height-relaxed);
}

.article-category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ui-space-sm);
  margin-bottom: var(--ui-space-xl);
}

.article-category-filter__item {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: var(--ui-space-xs) var(--ui-space-lg);
  border-radius: var(--ui-radius-pill);
  background: #f2f2f2;
  color: var(--ui-color-text);
  font-size: var(--ui-font-size-small);
  text-decoration: none;
}

.article-category-filter__item:hover,
.article-category-filter__item:focus,
.article-category-filter__item--active {
  background: var(--ui-color-primary);
  color: var(--ui-color-surface);
}

.article-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--ui-space-lg);
}

.article-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: var(--ui-border-width-sm) solid rgba(0, 0, 0, 0.06);
  border-radius: var(--ui-radius-sm);
  background: var(--ui-color-surface);
  box-shadow: var(--ui-shadow-sm);
  color: var(--ui-color-text);
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.article-card:hover,
.article-card:focus {
  color: var(--ui-color-text);
  transform: translateY(-2px);
}

.article-card__thumbnail-wrap {
  display: block;
  aspect-ratio: var(--article-image-aspect-ratio);
  overflow: hidden;
  background: #edf7ef;
}

.article-card__thumbnail,
.article-recent-list__thumbnail {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-card__body {
  display: grid;
  gap: var(--ui-space-sm);
  padding: var(--ui-space-lg);
}

.article-label {
  display: inline-flex;
  justify-self: start;
  padding: 0.25rem var(--ui-space-sm);
  border-radius: var(--ui-radius-pill);
  background: rgba(76, 175, 125, 0.15);
  color: var(--ui-color-primary-dark);
  font-size: var(--ui-font-size-small);
  font-weight: 700;
  text-decoration: none;
}

a.article-label:hover,
a.article-label:focus {
  background: var(--ui-color-primary);
  color: var(--ui-color-surface);
}

.article-card__title {
  display: -webkit-box;
  overflow: hidden;
  min-height: 3em;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: var(--ui-line-height-relaxed);
}

.article-card__description {
  display: -webkit-box;
  overflow: hidden;
  min-height: 4.5em;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  color: var(--ui-color-muted);
  font-size: var(--ui-font-size-small);
  line-height: var(--ui-line-height-relaxed);
}

.article-card__date,
.article-recent-list__date {
  color: var(--ui-color-muted);
  font-size: var(--ui-font-size-small);
}

.article-alert,
.article-empty {
  padding: var(--ui-space-lg);
  border-radius: var(--ui-radius-sm);
  background: var(--ui-color-surface);
  box-shadow: var(--ui-shadow-sm);
}

.article-alert {
  border-left: var(--ui-border-width-lg) solid var(--ui-color-danger);
}

.article-pagination {
  display: flex;
  justify-content: center;
  gap: var(--ui-space-sm);
  margin-top: var(--ui-space-xl);
}

.article-pagination__item {
  display: inline-flex;
  min-width: 40px;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--ui-radius-pill);
  background: var(--ui-color-surface);
  box-shadow: var(--ui-shadow-sm);
  color: var(--ui-color-text);
  text-decoration: none;
}

.article-pagination__item:hover,
.article-pagination__item:focus,
.article-pagination__item--active {
  background: var(--ui-color-primary);
  color: var(--ui-color-surface);
}

.article-sidebar {
  display: grid;
  gap: var(--ui-space-lg);
}

.article-sidebar-cta,
.article-sidebar-section {
  padding: var(--ui-space-lg);
  border-radius: var(--ui-radius-sm);
  background: var(--ui-color-surface);
  box-shadow: var(--ui-shadow-sm);
}

.article-sidebar-cta {
  background: var(--ui-color-primary);
  color: var(--ui-color-surface);
}

.article-sidebar-cta__title {
  margin: 0 0 var(--ui-space-lg);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: var(--ui-line-height-relaxed);
}

.article-sidebar-cta__button {
  display: inline-flex;
  width: 100%;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--ui-radius-pill);
  background: var(--ui-color-surface);
  color: var(--ui-color-primary-dark);
  font-weight: 700;
  text-decoration: none;
}

.article-sidebar-section__title {
  margin: 0 0 var(--ui-space-md);
  font-size: 1.125rem;
  font-weight: 700;
}

.article-sidebar-section__empty {
  margin: 0;
  color: var(--ui-color-muted);
  font-size: var(--ui-font-size-small);
}

.article-recent-list,
.article-sidebar-categories {
  display: grid;
  gap: var(--ui-space-md);
  padding: 0;
  margin: 0;
  list-style: none;
}

.article-recent-list__item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: var(--ui-space-sm);
  color: var(--ui-color-text);
  text-decoration: none;
}

.article-recent-list__thumbnail {
  aspect-ratio: var(--article-recent-image-aspect-ratio);
  border-radius: var(--ui-radius-sm);
  background: #edf7ef;
}

.article-recent-list__body {
  display: grid;
  gap: var(--ui-space-xs);
  min-width: 0;
}

.article-recent-list__title {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: var(--ui-font-size-small);
  font-weight: 700;
  line-height: var(--ui-line-height-relaxed);
}

.article-sidebar-categories__item {
  display: flex;
  justify-content: space-between;
  gap: var(--ui-space-md);
  color: var(--ui-color-text);
  text-decoration: none;
}

.article-sidebar-categories__item:hover,
.article-sidebar-categories__item:focus,
.article-recent-list__item:hover,
.article-recent-list__item:focus {
  color: var(--ui-color-primary);
}

.article-detail {
  min-width: 0;
}

.article-detail--message {
  max-width: 760px;
  padding: var(--ui-space-xl);
  margin: 0 auto;
  border-radius: var(--ui-radius-sm);
  background: var(--ui-color-surface);
  box-shadow: var(--ui-shadow-sm);
}

.article-breadcrumb {
  margin-bottom: var(--ui-space-lg);
  color: var(--ui-color-muted);
  font-size: var(--ui-font-size-small);
}

.article-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ui-space-xs);
  padding: 0;
  margin: 0;
  list-style: none;
}

.article-breadcrumb__item {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: var(--ui-space-xs);
}

.article-breadcrumb__item:not(:last-child)::after {
  color: var(--ui-color-muted);
  content: ">";
}

.article-breadcrumb__link {
  color: var(--ui-color-primary-dark);
  text-decoration: none;
}

.article-breadcrumb__link:hover,
.article-breadcrumb__link:focus {
  color: var(--ui-color-primary);
}

.article-breadcrumb__current {
  overflow: hidden;
  max-width: 42ch;
  color: var(--ui-color-text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-detail__back {
  display: inline-flex;
  margin-bottom: var(--ui-space-lg);
  color: var(--ui-color-primary-dark);
  font-weight: 700;
  text-decoration: none;
}

.article-detail__back:hover,
.article-detail__back:focus {
  color: var(--ui-color-primary);
}

.article-detail__header {
  display: grid;
  gap: var(--ui-space-md);
  margin-bottom: var(--ui-space-lg);
}

.article-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ui-space-sm);
  align-items: center;
}

.article-detail__date {
  color: var(--ui-color-muted);
  font-size: var(--ui-font-size-small);
}

.article-detail__title {
  margin: 0;
  font-size: var(--ui-font-size-title);
  font-weight: 700;
  line-height: var(--ui-line-height-relaxed);
}

.article-detail__lead {
  margin: 0;
  color: var(--ui-color-muted);
  line-height: var(--ui-line-height-relaxed);
}

.article-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ui-space-sm);
  padding: 0;
  margin: 0;
  list-style: none;
}

.article-detail__tags li {
  padding: 0.25rem var(--ui-space-sm);
  border-radius: var(--ui-radius-pill);
  background: #f2f2f2;
  color: var(--ui-color-muted);
  font-size: var(--ui-font-size-small);
}

.article-detail__thumbnail {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: var(--ui-space-xl);
  border-radius: var(--ui-radius-sm);
  background: #edf7ef;
}

.article-detail-points {
  display: grid;
  gap: var(--ui-space-sm);
  padding: var(--ui-space-lg);
  margin-bottom: var(--ui-space-xl);
  border-left: var(--ui-border-width-lg) solid var(--ui-color-primary);
  background: var(--ui-color-surface);
}

.article-detail-points__title {
  margin: 0;
  color: var(--ui-color-primary-dark);
  font-size: 1.125rem;
  font-weight: 700;
}

.article-detail-points__text {
  margin: 0;
  line-height: var(--ui-line-height-relaxed);
}

.article-detail__body {
  color: var(--ui-color-text);
  line-height: var(--ui-line-height-relaxed);
  word-break: break-word;
}

.article-detail__body h2 {
  padding-bottom: var(--ui-space-sm);
  margin: var(--ui-space-2xl) 0 var(--ui-space-md);
  border-bottom: var(--ui-border-width-sm) solid var(--ui-color-primary);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: var(--ui-line-height-normal);
}

.article-detail__body h3 {
  padding-left: var(--ui-space-md);
  margin: var(--ui-space-xl) 0 var(--ui-space-md);
  border-left: var(--ui-border-width-lg) solid var(--ui-color-primary);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: var(--ui-line-height-normal);
}

.article-detail__body p:has(> strong:only-child) {
  padding-bottom: var(--ui-space-sm);
  margin: var(--ui-space-2xl) 0 var(--ui-space-md);
  border-bottom: var(--ui-border-width-sm) solid var(--ui-color-primary);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: var(--ui-line-height-normal);
}

.article-detail__body p:has(> strong:only-child) u {
  text-decoration: none;
}

.article-detail__body p {
  margin: 0 0 var(--ui-space-md);
}

.article-detail__body ul,
.article-detail__body ol {
  padding-left: 1.25rem;
  margin: 0 0 var(--ui-space-lg);
}

.article-detail__body img {
  max-width: 100%;
  height: auto;
}

.article-detail__body a {
  color: var(--ui-color-primary-dark);
  font-weight: 700;
}

.article-detail__body a.btn-primary {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: var(--ui-space-sm) var(--ui-space-xl);
  border-radius: var(--ui-radius-pill);
  background: var(--ui-color-primary);
  color: var(--ui-color-surface);
  text-decoration: none;
}

.article-detail__body a.btn-primary:hover,
.article-detail__body a.btn-primary:focus {
  background: var(--ui-color-primary-dark);
  color: var(--ui-color-surface);
}

@media (max-width: 991.98px) {
  .articles-page__layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    order: 2;
  }
}

@media (max-width: 767.98px) {
  .article-card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .articles-page {
    padding-top: var(--ui-space-xl);
  }

  .article-category-filter__item {
    flex: 1 1 auto;
  }
}