/* ==========================================================================
   SITE PAGE LAYOUT
   ========================================================================== */

.site-page {
  position: relative;
}

/* Header section with title, meta, and description */
.site-page-header {
  text-align: center;
  margin-bottom: 3rem;
  margin-top: -2rem; /* Reduce space between nav and title */
}

.site-title {
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: 1.5rem;
  font-variant: small-caps;
  margin-bottom: 1rem;
  margin-top: 0;
  /* Not an h1, just styled text */
}

.site-meta {
  font-size: 0.75rem;
  font-style: italic;
  opacity: 0.7;
  margin-bottom: 1rem;
}

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

.site-meta .status {
  display: inline;
  margin-left: 0.5rem;
}

.site-description {
  font-size: var(--base-font-size);
  line-height: var(--base-line-height);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

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

/* Table of Contents Sidebar */
.site-toc {
  grid-column: 1;
  position: sticky;
  top: 1rem;
  text-align: left;
  align-self: start;
  z-index: 100;
}

/* TOC Toggle Button */
.toc-toggle {
  display: none; /* Hidden by default, shown on desktop */
  width: 100%;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.5rem;
  background-color: rgba(150, 150, 150, 0.1);
  border: 1px solid rgba(150, 150, 150, 0.2);
  border-radius: 4px;
  cursor: pointer;
  font-family: 'Cooper Hewitt', var(--font-heading);
  font-size: 0.85rem;
  color: var(--text-color);
  text-align: left;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.2s;
}

.toc-toggle:hover {
  background-color: rgba(150, 150, 150, 0.15);
}

.toc-toggle-icon {
  transition: transform 0.3s;
  font-size: 0.75rem;
}

.toc-toggle[aria-expanded="false"] .toc-toggle-icon {
  transform: rotate(-90deg);
}

.toc-nav {
  position: relative;
  font-family: 'Cooper Hewitt', var(--font-heading);
  background-color: var(--bg-color);
  padding: 1rem;
  border-radius: 4px;
  transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease, margin 0.3s ease;
  overflow: hidden;
  max-height: 2000px;
  z-index: 100;
  border: 1px solid rgba(150, 150, 150, 0.2);
}

/* Collapsed state */
.toc-nav.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin: 0;
  opacity: 0;
}

.toc-item {
  margin-bottom: 0.5rem;
}

.toc-item a {
  text-decoration: none;
  color: var(--text-color);
  transition: background-color 0.2s;
}

.toc-item a:hover {
  background-color: var(--accent-hover);
}

.toc-h1 {
  font-weight: bold;
  font-size: var(--base-font-size);
}

.toc-h2 {
  font-weight: normal;
  font-size: 0.85rem;
  padding-left: 1rem;
  opacity: 0.8;
  margin-top: 0.25rem;
}

/* Show TOC toggle on desktop */
@media (min-width: 1024px) {
  .toc-toggle {
    display: flex;
    position: sticky;
    top: 0;
    background-color: var(--bg-color);
    z-index: 101;
  }
}

/* Gap column */
.site-gap {
  grid-column: 2;
  min-width: 0;
  width: 2rem;
}

/* Main content column */
.site-main {
  grid-column: 3;
  position: relative;
}

/* Content area */
.site-content {
  position: relative;
}

/* h1 styling - always in central column with solid line above */
.site-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);
  position: relative;
  padding-top: 0.5rem;
  width: fit-content;
  max-width: 100%;
}

/* Solid line above h1 - extends 1rem longer than the h1 text */
/* For single-line text: extends 0.5rem on each side (1rem total) */
/* For wrapped text: the line extends 1rem beyond the content width */
.site-content h1::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: -0.5rem;
  width: calc(100% + 1rem);
  height: 4px;
  background-color: var(--accent-color);
  border: none;
  box-sizing: border-box;
}

/* First h1 needs special handling */
.site-content > h1:first-of-type {
  margin-top: 0;
}

/* h2 styling */
.site-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);
}

/* ==========================================================================
   SIDENOTE ALIGNMENT (same as articles.css)
   ========================================================================== */

/* Desktop sidenotes - positioned in the left sidebar column */
@media (min-width: 1024px) {
  /* Make paragraphs relative so they can anchor sidenotes */
  .site-content p {
    position: relative;
  }
  
  /* Override global sidenote styles for site pages */
  .site-content .sidenote,
  .site-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;
 /* 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 */
  .site-content p + .sidenote,
  .site-content p + aside.sidenote {
    position: absolute;
    right: calc(100% + 2rem);
    top: 0;
    margin-top: 0;
    /* Make the preceding paragraph the positioning context */
  }
  
  /* Ensure paragraphs are relative for absolute positioning of children */
  .site-content p {
    position: relative;
  }
}

/* Mobile sidenotes - displayed as blocks inline with content */
@media (max-width: 767px) {
  /* Reset paragraph positioning on mobile - must be static */
  .site-content p {
    position: static !important;
  }
  
  /* Sidenotes appear inline after their paragraph */
  .site-content .sidenote,
  .site-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 */
  .site-content p + .sidenote,
  .site-content p + aside.sidenote {
    position: relative !important;
    display: block !important;
    left: auto !important;
    right: auto !important;
    top: auto !important;
    margin-top: 1rem !important;
  }
}

/* Mobile TOC - shown after description */
.site-toc-mobile {
  display: none;
}

/* ==========================================================================
   MOBILE RESPONSIVE
   ========================================================================== */

@media (min-width: 1024px) {
  /* Show toggle button on desktop */
  .toc-toggle {
    display: flex;
  }
}

@media (max-width: 767px) {
  /* Hide desktop TOC sidebar on mobile */
  .site-toc {
    display: none;
  }
  
  .site-gap {
    display: none;
  }
  
  /* Show mobile TOC after description */
  .site-toc-mobile {
    display: block;
    margin: 2rem 0;
    text-align: left;
  }
  
  .site-toc-mobile .toc-nav {
    position: static;
    font-family: 'Cooper Hewitt', var(--font-heading);
    background-color: rgba(150, 150, 150, 0.05);
    padding: 1rem;
    border-radius: 4px;
    /* Two-column layout for mobile TOC */
    columns: 2;
    column-gap: 1.5rem;
    column-fill: balance;
  }
  
  .site-toc-mobile .toc-item {
    margin-bottom: 0.5rem;
    break-inside: avoid;
    page-break-inside: avoid;
  }
  
  .site-toc-mobile .toc-h2 {
    margin-top: 0.1rem;
  }
  
  /* Main column takes full width on mobile */
  .site-main {
    grid-column: 1;
  }
  
  /* Mobile layout - single column */
  .site-layout {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   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;
  }
}