/* ==========================================================================
   ARTICLE LAYOUT
   ========================================================================== */

.page-container {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--central-column-max);
}

@media (max-width: 767px) {
  .page-container {
    margin-left: var(--mobile-margin);
    margin-right: var(--mobile-margin);
    max-width: calc(100vw - (var(--mobile-margin) * 2));
  }
}

.article-page {
  position: relative;
}

/* Header spacing for article pages */
.page-container .site-header {
  margin-top: 1rem;
  margin-bottom: 4rem;
}

/* Desktop grid */
@media (min-width: 1024px) {
  .article-layout {
    display: grid;
    grid-template-columns: 11rem 2rem 1fr;
    align-items: start;
  }

  .article-layout.no-sidebar-title {
    grid-template-columns: 1fr;
  }
}

/* Sidebar */
.article-sidebar {
  position: relative;
  grid-column: 1;
  text-align: left;
}

.article-content h1 {
  font-family: var(--font-body);
  font-weight: bold;
  font-size: 1.2rem;
  margin-top: var(--heading-top-spacing);
  margin-bottom: var(--heading-bottom-spacing);
}

.article-content h2 {
  font-family: var(--font-body);
  font-weight: bold;
  font-size: var(--base-font-size);
  margin-top: var(--heading-top-spacing);
  margin-bottom: var(--heading-bottom-spacing);
}

/* Empty gap column */
.article-gap {
  grid-column: 2;
  /* Ensure it's empty and doesn't interfere */
  min-width: 0;
  width: 2rem;
}

@media (max-width: 767px) {
  .article-gap {
    display: none;
  }
}

/* Main column - ensure it's in the right grid column */
.article-main {
  position: relative;
  grid-column: 3;
}

@media (min-width: 1024px) {
  .article-layout.no-sidebar-title .article-main {
    grid-column: 1;
  }
}

.article-title-sidebar {
  /* Use default h1 styling from style.css */
  text-align: left;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

/* Metadata in sidebar */
.article-meta-sidebar {
  font-size: 0.75rem;
  font-style: italic;
  opacity: 0.7;
  line-height: 1.4;
  text-align: left;
}

.article-meta-sidebar time {
  display: inline;
  cursor: help;
}

.article-meta-sidebar .status {
  display: block;
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

/* Epistemic status styling */
.article-epistemic {
  font-size: 0.75rem;
  font-style: italic;
  opacity: 0.7;
  margin-bottom: 2rem;
  text-align: left;
}

/* Title above content (mobile & long titles) - use default h1 styling */
.article-title-main {
  text-align: center;
  margin-top: 0;
  margin-bottom: var(--heading-bottom-spacing);
}

/* Horizontal rule above title - thick, black, bold, no margin above */
.article-main > hr.article-title-hr {
  margin-top: 0;
  margin-bottom: 1rem;
  border: none;
  border-top: 4px solid var(--accent-color);
  font-weight: bold;
  opacity: 1;
}

/* Mobile-only title for short titles */
.mobile-only {
  display: none;
}

@media (max-width: 767px) {
  .mobile-only {
    display: block;
  }
  
  /* Hide sidebar and gap on mobile */
  .article-sidebar {
    display: none;
  }
  
  .article-gap {
    display: none;
  }
  
  /* Main column takes full width on mobile */
  .article-main {
    grid-column: 1;
  }
}

/* Metadata (for long titles and mobile) */
.article-meta {
  font-style: italic;
  opacity: 0.7;
  margin-bottom: 2rem;
  text-align: left;
  font-size: 0.75rem;
}

/* Content wrapper for sidenote anchoring */
.article-content {
  position: relative;
}

/* ==========================================================================
   SIDENOTE ALIGNMENT
   ========================================================================== */

/* Desktop sidenotes - positioned in the left sidebar column */
@media (min-width: 1024px) {
  /* Make paragraphs relative so they can anchor sidenotes */
  .article-content p {
    position: relative;
  }
  
  /* Override global sidenote styles for article pages */
  .article-content .sidenote,
  .article-content aside.sidenote {
    position: absolute;
    right: calc(100% + 2rem); /* Position to the left of the paragraph, accounting for the 2rem gap */
    width: 11rem; /* Match the sidebar width */
    font-family: var(--font-heading);
    font-weight: 300;
    text-align: right;
    font-size: 0.85em;
    line-height: 1.4;
    top: 0; /* Align with the top of the paragraph - starts at same line */
    margin: 0;
    padding: 0;
    /* Override global styles */
    left: auto;
    z-index: 1; /* Ensure it appears above background but below TOC */
  }
  
  /* Fallback: When sidenote is still a sibling following a paragraph (if regex/JS didn't catch it) */
  /* Position it relative to the preceding paragraph */
  .article-content p + .sidenote,
  .article-content p + aside.sidenote {
    position: absolute;
    right: calc(100% + 2rem);
    top: 0;
    margin-top: 0;
  }
}

/* Mobile sidenotes - displayed as blocks inline with content */
@media (max-width: 1023px) {
  /* Reset paragraph positioning on mobile - must be static */
  .article-content p {
    position: static !important;
  }
  
  /* Sidenotes appear inline after their paragraph */
  .article-content .sidenote,
  .article-content aside.sidenote {
    position: relative !important;
    display: block !important;
    background-color: rgba(150, 150, 150, 0.05);
    border-left: 2px solid var(--accent-color);
    padding: 0.75rem 1rem;
    margin: 1.5rem 0 !important;
    margin-top: 1rem !important;
    text-align: left;
    font-family: var(--font-heading);
    font-weight: 300;
    font-size: 0.85em;
    line-height: 1.4;
    width: 100% !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    z-index: 1;
  }
  
  /* Ensure sidenotes that follow paragraphs appear inline */
  .article-content p + .sidenote,
  .article-content p + aside.sidenote {
    position: relative !important;
    display: block !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    margin-top: 1rem !important;
  }
}

/* ==========================================================================
   BACKLINKS
   ========================================================================== */

.backlinks {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 2px solid var(--accent-color);
}

/* Article page specific heading styles - h1 uses default, h2 is body size and bold */
.article-content h1 {
  /* Use default h1 styling from style.css */
  margin-top: var(--heading-top-spacing);
  margin-bottom: var(--heading-bottom-spacing);
}

.article-content h2 {
  font-family: var(--font-body);
  font-weight: bold;
  font-size: var(--base-font-size);
  margin-top: var(--heading-top-spacing);
  margin-bottom: var(--heading-bottom-spacing);
}

.backlinks h2 {
  font-family: var(--font-body);
  font-weight: bold;
  font-size: var(--base-font-size);
  margin-bottom: 1rem;
}

.backlinks ul {
  list-style: none;
  padding-left: 0;
}

.backlinks li {
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   SCROLL TO TOP BUTTON
   ========================================================================== */

.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background-color: var(--accent-color);
  color: var(--bg-color);
  border: 2px solid var(--accent-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, background-color 0.2s;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.scroll-to-top svg {
  width: 1.5rem;
  height: 1.5rem;
}

.scroll-to-top svg path {
  fill: var(--bg-color);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.scroll-to-top:active {
  transform: scale(0.95);
}

@media (max-width: 767px) {
  .scroll-to-top {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.25rem;
  }
}