body {
  font-family: Georgia, "Times New Roman", serif;
  max-width: 900px;
  margin: 40px auto;
  padding: 0 20px;
  line-height: 1.6;
  color: #222;
  background: #fafafa;
}

header h1 {
  margin-bottom: 0.2rem;
}

nav {
  margin-bottom: 2rem;
}

nav a {
  margin-right: 1rem;
  text-decoration: none;
  color: #0044aa;
}

nav a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  margin-top: 2rem;
}

pre {
  background: #f5f5f5;
  padding: 0.75rem 1rem;
  overflow-x: auto;
  font-size: 0.95rem;
}

footer {
  margin-top: 3rem;
  font-size: 0.85rem;
  color: #666;
  border-top: 1px solid #ddd;
  padding-top: 1rem;
}


.toe-flex-container {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    margin-top: 20px;
}

.toe-left-column {
    flex: 0 0 250px;
}

.toe-right-column {
    flex: 1;
}


.toe-flex-container {
    padding-left: 20px;
}


/* Push content away from the left edge */
body {
    padding-left: 40px !important;
}

/* Flexbox layout */
.toe-flex-container {
    display: flex !important;
    align-items: flex-start;
    gap: 40px;
    margin-top: 20px;
}

/* Left column fixed width */
.toe-left-column {
    flex: 0 0 260px;
}

/* Right column expands */
.toe-right-column {
    flex: 1;
}

main {
    max-width: 800px;      /* keeps text readable */
    margin: 0 auto;        /* centers the content */
    padding: 20px;         /* adds space on left and right */
    line-height: 1.6;      /* improves readability */
}


@media (max-width: 768px) {
  .sidebar {
    position: relative;
    width: 100%;
    float: none;
    margin-bottom: 20px;
  }

  .content {
    margin-left: 0 !important;
  }
}

/* Prevent sidebar from overlapping main content */
.layout {
  display: flex;
  align-items: flex-start;
}

.sidebar {
  flex: 0 0 250px;      /* fixed sidebar width */
  max-width: 250px;
  position: sticky;     /* or fixed, depending on your design */
  top: 0;
  z-index: 10;          /* stays above background, not above content */
}

.main-content {
  flex: 1;
  min-width: 300px;     /* prevents compression on Cloudflare */
  margin-left: 20px;    /* spacing from sidebar */
}

/* Responsive fallback for narrower viewports */
@media (max-width: 1200px) {
  .layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    position: relative;
    max-width: none;
  }

  .main-content {
    margin-left: 0;
    min-width: auto;
  }
}


/* Wrap the entire page in a flex container */
body {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
}

/* Sidebar column */
#sidebar, .sidebar, .toc-container {
  flex: 0 0 260px;   /* reserve space */
  max-width: 260px;
  position: sticky;
  top: 0;
  z-index: 5;
}

/* Main content column */
#content, .content, .main, .main-content {
  flex: 1;
  margin-left: 20px;   /* spacing from sidebar */
  min-width: 300px;    /* prevents Cloudflare compression */
}

/* Responsive fallback */
@media (max-width: 1200px) {
  body {
    flex-direction: column;
  }

  #sidebar, .sidebar, .toc-container {
    width: 100%;
    max-width: none;
    position: relative;
  }

  #content, .content, .main, .main-content {
    margin-left: 0;
    min-width: auto;
  }
}


/* Layout container */
#layout {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
}

/* Sidebar */
#sidebar-nav {
  flex: 0 0 270px;
  width: 270px;
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  overflow-y: auto;
  background: #f5f5f5;
  border-right: 1px solid #ddd;
  padding: 22px;
}

/* Main content */
#content {
  flex: 1;
  margin-left: 300px;   /* pushes content to the right */
  padding: 20px;
}

/* Responsive mode */
@media (max-width: 900px) {
  #layout {
    flex-direction: column;
  }

  #sidebar-nav {
    position: relative;
    width: 100%;
    height: auto;
    border-right: none;
  }

  #content {
    margin-left: 0;
  }
}