/* =============================================
   LOVEIO — article.css
   Styles for single article pages
   ============================================= */

/* ===== ARTICLE HERO ===== */
.article-hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  padding-bottom: 72px;
  overflow: hidden;
  margin-top: 72px;
}

.article-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.article-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}

.article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(15, 5, 10, 0.92) 0%,
    rgba(40, 10, 25, 0.72) 45%,
    rgba(255, 92, 138, 0.12) 100%
  );
}

.article-hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  max-width: 860px;
}

.article-hero-content .badge {
  margin-bottom: 20px;
  display: inline-block;
}

.article-hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 300;
  line-height: 1.12;
  margin-bottom: 20px;
  color: var(--white);
}

.article-hero-title em {
  font-style: italic;
  color: var(--pink-light);
}

.article-hero-deck {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.75;
  max-width: 680px;
  margin-bottom: 36px;
}

/* Meta bar */
.article-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.article-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

.author-meta-name {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
}

.author-meta-role {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 2px;
}

.article-meta-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.meta-item {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.6);
}

.meta-dot {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.75rem;
}

/* ===== ARTICLE PAGE WRAPPER ===== */
.article-page-wrap {
  padding: 72px 0 0;
}

/* ===== ARTICLE LAYOUT: sidebar + body ===== */
.article-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 64px;
  align-items: start;
}

/* ===== STICKY SIDEBAR ===== */
.article-sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.toc-card,
.share-card {
  background: var(--blush);
  border: 1px solid var(--pink-light);
  border-radius: var(--radius-md);
  padding: 24px 20px;
}

.toc-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 16px;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toc-link {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--gray-mid);
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  display: block;
  transition: all var(--transition);
  line-height: 1.4;
  border-left: 2px solid transparent;
}

.toc-link:hover {
  color: var(--pink);
  background: var(--white);
  border-left-color: var(--pink-light);
}

.toc-link.active {
  color: var(--pink);
  background: var(--white);
  border-left-color: var(--pink);
  font-weight: 600;
}

/* Share buttons */
.share-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.share-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gray-mid);
  background: var(--white);
  border: 1px solid var(--gray-border);
  cursor: pointer;
  transition: all var(--transition);
}

.share-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.share-btn:hover {
  color: var(--pink);
  border-color: var(--pink-light);
  background: var(--pink-pale);
}

.share-btn--copy.copied {
  color: #2D7A2D;
  border-color: #9DD49D;
  background: #EEF9EE;
}

/* ===== ARTICLE BODY TYPOGRAPHY ===== */
.article-body {
  max-width: 720px;
  padding-bottom: 80px;
}

.article-body section {
  margin-bottom: 16px;
}

/* Lead paragraph */
.article-lead {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.5vw, 1.65rem);
  font-weight: 400;
  line-height: 1.5;
  color: var(--charcoal);
  margin-bottom: 24px;
}

/* Body paragraphs */
.article-body p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #3A3A3A;
  margin-bottom: 24px;
}

.article-body strong {
  font-weight: 600;
  color: var(--charcoal);
}

.article-body em {
  font-style: italic;
  color: var(--charcoal);
}

/* Headings */
.article-body h2 {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--charcoal);
  margin-bottom: 24px;
  margin-top: 8px;
}

/* Language number stamp */
.language-number {
  font-family: var(--font-head);
  font-size: 5rem;
  font-weight: 300;
  color: var(--pink-light);
  line-height: 1;
  margin-bottom: -12px;
  user-select: none;
}

/* Section divider */
.article-divider {
  height: 1px;
  background: linear-gradient(to right, var(--pink-light), transparent);
  margin: 48px 0;
}

/* Pull quote */
.pull-quote {
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.6;
  color: var(--charcoal);
  border-left: 4px solid var(--pink);
  padding: 20px 0 20px 32px;
  margin: 40px 0;
  position: relative;
}

.pull-quote--pink {
  color: var(--pink-dark);
  border-left-color: var(--pink);
  background: var(--pink-pale);
  padding: 24px 28px 24px 32px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Article figures / images */
.article-figure {
  margin: 40px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-md);
  transition: transform 0.6s ease;
}

.article-figure:hover img { transform: scale(1.02); }

.article-figure figcaption {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--gray-light);
  text-align: center;
  padding: 12px 16px 0;
  line-height: 1.5;
  font-style: italic;
}

/* Half-width floated figures */
.article-figure--half {
  max-width: 48%;
  float: right;
  margin: 8px 0 24px 32px;
}

.article-figure--half.article-figure--left {
  float: left;
  margin: 8px 32px 24px 0;
}

.article-figure--half img {
  aspect-ratio: 4 / 3;
}

/* Clearfix after floats */
.article-body section::after {
  content: '';
  display: table;
  clear: both;
}

/* Language tip box */
.language-tip {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--blush);
  border: 1px solid var(--pink-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 32px 0;
  font-size: 0.9rem;
  color: var(--gray-mid);
  line-height: 1.7;
}

.language-tip strong {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pink);
  margin-bottom: 4px;
}

.tip-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Stats row */
.article-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 40px 0;
}

.article-stat {
  background: var(--blush);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}

.a-stat-num {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--pink);
  line-height: 1;
}

.a-stat-label {
  font-size: 0.78rem;
  color: var(--gray-mid);
  line-height: 1.5;
  font-family: var(--font-ui);
}

/* Styled article list */
.article-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 28px 0;
  padding: 0;
}

.article-list li {
  font-size: 1rem;
  color: #3A3A3A;
  line-height: 1.8;
  padding-left: 28px;
  position: relative;
}

.article-list li::before {
  content: '♡';
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--pink);
  font-size: 0.85rem;
}

/* ===== ARTICLE FOOTER: tags + bio ===== */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 56px 0 40px;
  padding-top: 40px;
  border-top: 1px solid var(--gray-border);
}

.tags-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-light);
}

.article-tag {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gray-mid);
  background: var(--blush);
  border: 1px solid var(--pink-light);
  border-radius: 100px;
  padding: 5px 14px;
  transition: all var(--transition);
}

.article-tag:hover {
  background: var(--pink);
  color: var(--white);
  border-color: var(--pink);
}

/* Author bio */
.author-bio-card {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: var(--blush);
  border: 1px solid var(--pink-light);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 16px;
}

.author-bio-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--pink-light);
}

.author-bio-name {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--charcoal);
  margin-bottom: 2px;
}

.author-bio-role {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pink);
  margin-bottom: 12px;
}

.author-bio-desc {
  font-size: 0.875rem;
  color: var(--gray-mid);
  line-height: 1.75;
  margin: 0;
}

/* ===== RELATED ARTICLES GRID ===== */
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ===== READING PROGRESS BAR ===== */
.reading-progress {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pink-light);
  z-index: 999;
  transform-origin: left;
}

.reading-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--pink), #FF8CB0);
  width: 0%;
  transition: width 0.1s linear;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .article-layout {
    grid-template-columns: 220px 1fr;
    gap: 44px;
  }
}

@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .article-body { max-width: 100%; }

  .article-figure--half {
    float: none;
    max-width: 100%;
    margin: 32px 0;
  }

  .article-figure--half.article-figure--left {
    float: none;
    margin: 32px 0;
  }

  .related-grid { grid-template-columns: 1fr 1fr; }
  .article-stats-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .article-hero { min-height: 480px; padding-bottom: 48px; }
  .article-meta-bar { flex-direction: column; align-items: flex-start; }
  .article-sidebar { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .author-bio-card { flex-direction: column; }
  .article-stats-row { gap: 0; }
  .pull-quote { padding-left: 20px; }
}