/**
 * Article Layout
 * TODO: Implement a magazine-style article layout with hero, content area, sidebar, and author bio
 * 
 * Requirements:
 * - Hero section should use Flexbox for vertical centering
 * - Main content and sidebar should be side-by-side with proportional sizing
 * - Pull quotes should use align-self for positioning
 * - Author bio should use media object pattern
 */

.article-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
}

/* Hero: flex column; author/meta pushed to bottom */
.article-hero {
  display: flex;
  flex-direction: column;

  min-height: 400px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--spacing-xxl);
  margin-bottom: var(--spacing-xxl);
}

.article-hero-title {
  font-size: var(--font-size-xxlarge);
  margin-bottom: var(--spacing-med);
}

.article-hero-subtitle {
  font-size: var(--font-size-large);
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.article-hero-meta {
  margin-top: auto; /* push to bottom */
  font-size: var(--font-size-small);
  opacity: 0.8;
}

/* Main body: article + sidebar with wrapping */
.article-body {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xxl);

  padding: 0 var(--spacing-xl);
  align-items: flex-start;
}

.article-content {
  flex-grow: 2;
  flex-shrink: 1;
  flex-basis: 500px;

  min-width: 0;
  padding-right: var(--spacing-xl);
}

.article-text {
  font-size: var(--font-size-med);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

/* Pull quote: stand out and break alignment */
.pull-quote {
  align-self: center; /* breaks normal alignment */
  max-width: 55ch;

  font-size: var(--font-size-large);
  font-style: italic;
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  border-left: 4px solid var(--color-primary);
  background-color: var(--color-surface);
}

/* Sidebar: proportional column */
.article-sidebar {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 300px;

  min-width: 0;
}

.sidebar-section {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--color-surface);
  border-radius: var(--radius-med);
}

.sidebar-title {
  font-size: var(--font-size-med);
  margin-bottom: var(--spacing-med);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-border);
}

/* Related articles: media object pattern */
.related-article {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;

  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.related-article:last-child {
  border-bottom: none;
}

/* Thumbnail fixed width */
.related-article-thumbnail {
  flex-grow: 0;
  flex-shrink: 0;
  flex-basis: 80px;

  width: 80px;
  height: 60px;
  border-radius: var(--radius-sm);
  background-color: var(--color-border);
  object-fit: cover;
}

/* Content grows */
.related-article-content {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 0;

  min-width: 0;
}

.related-article-title {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
  line-height: var(--line-height-tight);
}

.related-article-date {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

/* Author bio: media object pattern */
.article-author {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;

  margin-top: var(--spacing-xxl);
  padding: var(--spacing-xl);
  background-color: var(--color-surface);
  border-radius: var(--radius-med);
}

/* Photo fixed width */
.author-photo {
  flex-grow: 0;
  flex-shrink: 0;
  flex-basis: 100px;

  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: var(--color-border);
  object-fit: cover;
}

/* Info grows */
.author-info {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 0;

  min-width: 0;
}

.author-name {
  font-size: var(--font-size-large);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

.author-title {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.author-bio {
  line-height: var(--line-height-relaxed);
}