/* ============================================
   ARTICLE HEADER COMPONENT
   - Breadcrumb navigation
   - Category badge and meta info
   - Article title and excerpt
   - Author card with share buttons
   ============================================ */

/* Article Header Container */
.article-header {
  padding: 3rem 1.5rem 2rem;
}

.article-header__container {
  max-width: 56rem;
  margin: 0 auto;
}

/* Breadcrumb */
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.article-breadcrumb__link {
  color: var(--color-text-light);
  transition: color 0.3s ease;
}

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

.article-breadcrumb__separator {
  color: var(--color-text-light);
}

.article-breadcrumb__current {
  color: var(--color-text);
}

/* Meta Info */
.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.article-meta__badge {
  background-color: var(--color-bg-light);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-weight: 800;
  color: var(--color-primary);
}

.article-meta__separator {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.article-meta__item {
  font-size: 0.875rem;
  color: var(--color-text);
}

/* Title */
.article-header__title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 2rem;
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .article-header__title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .article-header__title {
    font-size: 3.75rem;
  }
}

/* Excerpt */
.article-header__excerpt {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .article-header__excerpt {
    font-size: 1.5rem;
  }
}

/* Author Card */
.article-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.article-author__avatar {
  width: 4rem;
  height: 4rem;
  background-color: var(--color-bg-light);
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
}

.article-author__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-author__info {
  flex-grow: 1;
}

.article-author__name {
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
  display: block;
}

.article-author__role {
  font-size: 0.875rem;
  color: var(--color-text);
}

/* Share Buttons */
.article-author__share {
  display: block;
  position: relative;
}

/* Share Toggle Button */
.share-toggle-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  color: var(--color-primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.share-toggle-btn:hover,
.share-toggle-btn.is-open {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.share-toggle-btn:hover {
  transform: scale(1.05);
}

.share-toggle-btn .material-symbols-outlined {
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Share Buttons Dropdown */
.share-buttons-dropdown {
  position: absolute;
  top: 3rem;
  right: 0;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 0.75rem;
  display: none;
  gap: 0.5rem;
  box-shadow: 0 10px 25px var(--color-black-10);
  z-index: 100;
  flex-wrap: wrap;
  max-width: 280px;
}

.share-buttons-dropdown.show {
  display: flex;
}

.share-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  color: var(--color-primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.share-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.share-btn .material-symbols-outlined {
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.share-btn svg {
  width: 1.125rem;
  height: 1.125rem;
}

/* Featured Image */
.article-featured-image {
  padding: 0 1.5rem;
  margin-bottom: 3rem;
}

.article-featured-image__container {
  max-width: 80rem;
  margin: 0 auto;
}

.article-featured-image__wrapper {
  aspect-ratio: 21 / 9;
  background-color: var(--color-bg-light);
  border-radius: 1rem;
  overflow: hidden;
}

.article-featured-image__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}