body {
  margin: 0;
  font-family: 'Courier New', monospace;
  background-color: black;
  color: #ffffff;
  display: flex;
}

.header {
  display: flex;           /* makes children side-by-side */
  align-items: left;     /* vertically centers image and text */
  gap: 15px;               /* space between icon and text */
  width: 1000px;
  padding-top: 10px;
}

.header-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.header-text h1 {
  margin: 0;
  padding-bottom: 5px;
}

.header-text h2 {
  font-size: 16px;
}

.divider {
  border: none;
  height: 1px;                /* thickness of the line */
  background-color: rgb(255, 255, 255);    /* line color */
  width: 100%;                /* full width inside container */
  margin: 0;                  /* remove default hr margin */
  padding: 0 425px;
}

/* Tree Navigation */
nav {
  margin-top: 25px;
  margin-left: 10px;
  margin-bottom: 10px;
  width: 400px;
  padding: 20px;
  box-sizing: border-box;
  position: fixed;
  top: 75px;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  /*border-right: 1px solid white;*/
  border: 1px solid white;
}

.tree {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  font-size: 18px;
  line-height: 1.4em;
}

.tree ul {
  list-style: none;
  margin: 0;
  padding-left: 25px;
  display: none;
}

.tree .open > ul {
  display: block;
}

.tree li {
  position: relative;
  padding-left: 2em; /* Room for ├── or └── */
  line-height: 1.4em;
  font-family: 'Montserrat' sans-serif;
}

.tree li::before {
  content: "├──";
  position: absolute;
  left: 0;
  top: 0;
  color: #888;
}

.tree li:last-child::before {
  content: "└──";
}

/* Remove vertical line from last child */
.tree li:last-child::after {
  display: none;
}

/* Draw vertical connector │ aligned with ├ */
.tree li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 0.3em;    /* precise alignment under ├ */
  top: 1.2em;      /* starts just below the text line */
  bottom: 0;
  width: 1px;
  background-color: #888;
}

/* Folder toggles */
.toggle {
  cursor: pointer;
  user-select: none;
  color: white;
}

/* Links */
nav a {
  color: white;
  text-decoration: none;
  display: inline-block;
  padding: 2px 0;
}

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

nav t {
  font-size: 18px;
}

main {
  margin-left: -525px;
  margin-right: 10px;
  margin-top: 100px;
  padding: 25px;
  padding-top: 0px;
  width: 100%;
  height: 100%;
  border: 1px solid white;
}

.blog-post {
  display: none;
  /*max-width: 00px;*/
  /*margin: 0 auto;*/
}

.blog-post.active {
  display: block;
}

a:link {
  color:#ffffff;
}

a:active {
  color:#c4c4c4;
}

a:visited {
  color:#bdbdbd;
}

.list {
  list-style-type: circle;
}

.cursor {
  display: inline-block;
  width: 1ch;
  animation: blink 1s step-start infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}