/* ==========================================================================
   ARTICLE & ESSAY READER STYLESHEET
   High-quality literary magazine layout
   ========================================================================== */

/* Reading Progress Bar (Fixed Top) */
.reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: transparent;
  z-index: 1000;
}

.reading-progress-bar {
  height: 100%;
  width: 0%;
  background-color: var(--accent);
  transition: width 0.08s linear;
}

/* Article Hero & Header */
.article-header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border-light);
}

.article-header-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.article-title {
  font-family: var(--font-serif-headline);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.article-subtitle {
  font-family: var(--font-serif-body);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  line-height: 1.45;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 2rem;
}

.article-author-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
  gap: 1.5rem;
  flex-wrap: wrap;
}

.article-author-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.article-author-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-medium);
}

.article-author-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.article-author-title {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Reader Tools Bar (Sticky or In-Header) */
.reader-tools-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.tool-btn:hover {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

/* Featured Article Image */
.article-lead-figure {
  margin: 3rem 0 3.5rem;
}

.article-lead-image {
  width: 100%;
  max-height: 580px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-subtle);
}

.article-lead-caption {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  line-height: 1.4;
  text-align: center;
}

/* Article Body Typography (Literary Magazine Style) */
.article-content {
  font-family: var(--font-serif-body);
  font-size: 1.22rem;
  line-height: 1.8;
  color: var(--text-primary);
  max-width: var(--container-reading);
  margin: 0 auto;
}

/* Font Size Modifiers */
.article-content[data-font-size="sm"] { font-size: 1.05rem; line-height: 1.7; }
.article-content[data-font-size="md"] { font-size: 1.22rem; line-height: 1.8; }
.article-content[data-font-size="lg"] { font-size: 1.38rem; line-height: 1.85; }

.article-content p {
  margin-bottom: 1.75rem;
  color: var(--text-primary);
}

/* First Paragraph Drop Cap */
.article-content p:first-of-type::first-letter {
  font-family: var(--font-serif-headline);
  font-size: 4.2rem;
  line-height: 0.8;
  float: left;
  margin-top: 0.15rem;
  margin-right: 0.75rem;
  color: var(--accent);
  font-weight: 700;
}

.article-content h2,
.article-content h3,
.article-content h4 {
  font-family: var(--font-serif-headline);
  margin-top: 3rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.article-content h3 {
  font-size: 1.75rem;
}

/* Pull Quotes */
.article-content blockquote {
  font-family: var(--font-serif-headline);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.35;
  color: var(--text-primary);
  margin: 3rem 0;
  padding: 1.5rem 0 1.5rem 2rem;
  border-left: 3px solid var(--accent);
  background-color: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-content ul,
.article-content ol {
  margin: 1.5rem 0 1.75rem 2rem;
  font-size: 1.15rem;
}

.article-content li {
  margin-bottom: 0.75rem;
}

.article-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Footnotes & Citation Links */
sup.footnote-ref a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  background-color: var(--accent-soft);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  margin-left: 0.15rem;
}

/* References Section */
.article-references {
  max-width: var(--container-reading);
  margin: 4rem auto 0;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-light);
}

.article-references-title {
  font-size: 1.15rem;
  font-family: var(--font-serif-headline);
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.references-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.reference-item {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.5rem;
  line-height: 1.45;
}

.reference-num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
}

/* Author End-Card */
.article-author-card {
  max-width: var(--container-reading);
  margin: 4rem auto 0;
  padding: 2.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  display: flex;
  gap: 1.75rem;
  align-items: center;
}

.article-author-card-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border-medium);
}

.article-author-card-name {
  font-family: var(--font-serif-headline);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.article-author-card-bio {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

/* Share & Related Section */
.article-footer-nav {
  max-width: var(--container-reading);
  margin: 3rem auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-light);
}

.related-articles-section {
  padding: 5rem 0;
  background-color: var(--bg-secondary);
}

@media (max-width: 768px) {
  .article-author-card {
    flex-direction: column;
    text-align: center;
    padding: 1.75rem;
  }
}