/* ============================================
   AlphaGoldenSky.com — Article Page Styles
   ============================================ */

/* ---------- Article Layout ---------- */
.article-layout {
  display: grid;
  grid-template-columns: 1fr minmax(0, 260px);
  gap: var(--space-2xl);
  padding: var(--space-2xl) 0 var(--space-4xl);
  align-items: start;
}

/* ---------- Article Header ---------- */
.article-header {
  padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-xl);
  position: relative;
}

.article-header__category {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.article-header__title {
  font-size: clamp(1.875rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  max-width: 800px;
}

.article-header__excerpt {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 700px;
  margin-bottom: var(--space-xl);
}

.article-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--glass-border);
}

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

.article-header__author-img {
  width: 40px !important;
  height: 40px !important;
  max-width: 40px !important;
  max-height: 40px !important;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-accent);
}

.article-header__author-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.article-header__author-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.article-header__detail {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.article-header__detail-icon {
  color: var(--color-accent);
  font-size: 1.1em;
}

/* ---------- Quick Summary Box ---------- */
.quick-summary {
  background: var(--color-accent-subtle);
  border: 1px solid rgba(212, 168, 75, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
  position: relative;
}

.quick-summary::before {
  content: '⚡';
  position: absolute;
  top: -12px;
  left: var(--space-lg);
  background: var(--color-bg-primary);
  padding: 0 var(--space-sm);
  font-size: var(--text-lg);
}

.quick-summary__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.quick-summary__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.quick-summary__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.quick-summary__item::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ---------- Article Content ---------- */
.article-content {
  max-width: 100%;
  overflow-wrap: break-word;
}

.article-content h2 {
  font-size: var(--text-2xl);
  margin: var(--space-3xl) 0 var(--space-lg);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--glass-border);
  scroll-margin-top: calc(var(--header-height) + var(--space-xl));
}

.article-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.article-content h3 {
  font-size: var(--text-xl);
  margin: var(--space-2xl) 0 var(--space-md);
  scroll-margin-top: calc(var(--header-height) + var(--space-xl));
}

.article-content h4 {
  font-size: var(--text-lg);
  margin: var(--space-xl) 0 var(--space-md);
  scroll-margin-top: calc(var(--header-height) + var(--space-xl));
}

.article-content p {
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.article-content ul,
.article-content ol {
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.article-content li::marker {
  color: var(--color-accent);
}

.article-content strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

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

.article-content a:hover {
  color: var(--color-accent-light);
}

.article-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-xl) 0;
  background: var(--glass-bg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
}

.article-content blockquote p {
  color: var(--color-text-primary);
  margin-bottom: 0;
}

.article-content img {
  border-radius: var(--radius-md);
  margin: var(--space-xl) 0;
  border: 1px solid var(--glass-border);
}

.article-content figure {
  margin: var(--space-xl) 0;
}

.article-content figcaption {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
  font-style: italic;
}

/* ---------- Expert Insight Callout ---------- */
.expert-insight {
  display: flex;
  gap: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-2xl) 0;
  position: relative;
}

.expert-insight::before {
  content: '💡';
  position: absolute;
  top: -12px;
  left: var(--space-lg);
  background: var(--color-bg-primary);
  padding: 0 var(--space-sm);
  font-size: var(--text-lg);
}

.expert-insight__label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.expert-insight__content {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.expert-insight__content p:last-child {
  margin-bottom: 0;
}

/* ---------- Table of Contents (Sidebar) ---------- */
.toc {
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
  max-height: calc(100vh - var(--header-height) - var(--space-2xl));
  overflow-y: auto;
  padding-right: var(--space-sm);
}

.toc::-webkit-scrollbar {
  width: 3px;
}

.toc::-webkit-scrollbar-track {
  background: transparent;
}

.toc::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: var(--radius-full);
}

.toc__title {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--glass-border);
}

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

.toc__link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: all var(--transition-fast);
  line-height: 1.4;
}

.toc__link:hover {
  color: var(--color-text-secondary);
  background: var(--glass-bg);
}

.toc__link--active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.toc__link--h3 {
  padding-left: calc(var(--space-md) + var(--space-md));
  font-size: var(--text-xs);
}

.toc__link--h4 {
  padding-left: calc(var(--space-md) + var(--space-xl));
  font-size: var(--text-xs);
}

/* ---------- Sidebar Widgets ---------- */
.sidebar-widget {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

.sidebar-widget__title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--glass-border);
}

.sidebar-widget__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.sidebar-widget__link {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.sidebar-widget__link:hover {
  background: var(--glass-bg-hover);
}

.sidebar-widget__link-img {
  width: 60px;
  height: 44px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.sidebar-widget__link-title {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-widget__link-date {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ---------- Related Articles ---------- */
.related-articles {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--glass-border);
}

.related-articles__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xl);
}

.related-articles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* ---------- Article Tags ---------- */
.article-tags {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--glass-border);
}

.article-tags__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

.article-tag {
  display: inline-flex;
  padding: 4px 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.article-tag:hover {
  background: var(--color-accent-subtle);
  border-color: var(--glass-border-hover);
  color: var(--color-accent);
}

/* ---------- Share Buttons ---------- */
.share-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.share-buttons__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-right: var(--space-sm);
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: var(--text-sm);
}

.share-btn:hover {
  background: var(--color-accent-subtle);
  border-color: var(--glass-border-hover);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ---------- Article Navigation (Prev/Next) — Premium Buttons ---------- */
.article-nav {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--glass-border);
  flex-wrap: wrap;
}

.article-nav__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 28px;
  background: linear-gradient(135deg,#D4A84B,#E8C97A);
  color: #0B1426;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 4px 20px rgba(212,168,75,0.25);
  white-space: nowrap;
}

.article-nav__btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(212,168,75,0.45);
  color: #0B1426;
}

.article-nav__btn--prev {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid rgba(212,168,75,0.5);
  box-shadow: none;
}

.article-nav__btn--prev:hover {
  background: rgba(212,168,75,0.08);
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(212,168,75,0.12);
  color: var(--color-accent);
}

.article-nav__arrow {
  font-size: 1.1rem;
  line-height: 1;
}

.article-nav__label {
  font-size: var(--text-sm);
  font-weight: 700;
}

@media (max-width: 480px) {
  .article-nav__btn {
    padding: 11px 20px;
    font-size: 0.75rem;
  }
}

/* ---------- Reading Progress Bar ---------- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 10001;
  transition: width 50ms linear;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
    max-height: none;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
    order: -1;
  }

  .related-articles__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .article-header__title {
    font-size: var(--text-2xl);
  }

  .article-header__meta {
    gap: var(--space-md);
  }

  .expert-insight {
    flex-direction: column;
    gap: var(--space-md);
  }

  .related-articles__grid {
    grid-template-columns: 1fr;
  }

  .article-nav {
    grid-template-columns: 1fr;
  }

  .article-nav__link--next {
    text-align: left;
  }
}

/* ============================================
   MOBILE RESPONSIVE — ARTICLE CONTENT FIXES
   ============================================ */

/* All article images responsive */
.article-content img {
  max-width: 100% !important;
  height: auto !important;
  display: block;
}

/* Remove fixed height from any image */
.article-content figure img[style*="height:674px"],
.article-content img[style*="height:674px"] {
  height: auto !important;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* Tables scroll on mobile */
@media (max-width: 768px) {

  /* Article layout padding */
  .article-layout {
    padding: 1.5rem 0 3rem;
  }

  /* Article header */
  .article-header {
    padding: calc(var(--header-height) + 1.25rem) 0 1rem;
  }
  .article-header__title {
    font-size: clamp(1.25rem, 5vw, 1.75rem) !important;
    line-height: 1.25;
    margin-bottom: 0.75rem;
  }
  .article-header__excerpt {
    font-size: 15px;
  }
  .article-header__meta {
    gap: 0.75rem;
  }

  /* Article content */
  .article-content {
    overflow-x: hidden;
  }
  .article-content h2 {
    font-size: 1.25rem !important;
    line-height: 1.3;
  }
  .article-content h3 {
    font-size: 1.05rem !important;
  }

  /* All tables scroll */
  .article-content table {
    min-width: 480px;
    font-size: 12px;
  }
  .article-content div[style*="overflow-x:auto"],
  .article-content .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }

  /* All flex rows stack on mobile */
  .article-content > div > div[style*="display:flex"][style*="flex-wrap:wrap"] {
    flex-direction: column !important;
  }

  /* Cards min-width override */
  .article-content div[style*="min-width:200px"],
  .article-content div[style*="min-width:240px"] {
    min-width: 100% !important;
  }

  /* Byline info bar */
  .article-content > div[style*="border-radius:12px"][style*="padding:1.5px"] > div {
    flex-wrap: wrap !important;
  }

  /* Hero image aspect ratio */
  .article-content figure img {
    aspect-ratio: 16/9 !important;
    object-fit: cover !important;
    height: auto !important;
    width: 100% !important;
    border-radius: 8px;
  }

  /* Verdict box */
  .article-content div[style*="padding:24px 26px"] {
    padding: 16px !important;
  }

  /* Quick facts box */
  .article-content div[style*="padding:18px 22px"] {
    padding: 14px 16px !important;
  }
  .article-content div[style*="padding:18px 22px"] td {
    font-size: 13px;
    padding: 5px 0 !important;
  }

  /* Insider tip box */
  .article-content div[style*="padding:16px 20px"] {
    padding: 14px !important;
    font-size: 13px;
  }

  /* CTA button full width */
  .article-content a[style*="display:inline-block"][style*="padding:12px 26px"] {
    display: block !important;
    text-align: center !important;
  }

  /* Related articles grid */
  .article-content div[style*="display:flex"][style*="flex-wrap:wrap"][style*="gap:14px"][style*="margin:18px 0"] a {
    min-width: 100% !important;
  }

  /* Author card */
  .author-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
  }

  /* Tags */
  .article-tags {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {

  .article-header__title {
    font-size: clamp(1.1rem, 6vw, 1.4rem) !important;
  }

  .article-content {
    font-size: 14px;
    line-height: 1.7;
  }
  .article-content h2 {
    font-size: 1.1rem !important;
  }
  .article-content h3 {
    font-size: 0.95rem !important;
  }

  /* Tables even smaller */
  .article-content table {
    font-size: 11px;
    min-width: 380px;
  }

  /* Byline author photo smaller */
  .article-content img[width="60"],
  .article-content img[width="56"] {
    width: 42px !important;
    height: 42px !important;
  }

  /* Info bar text */
  .article-content div[style*="font-size:15px"][style*="font-weight:700"] {
    font-size: 14px !important;
  }
}