/* CSS Variables */
:root {
  --primary-color: #111;
  --secondary-color: #555;
  --text-color: #333;
  --background-color: #ededed;
  --surface-color: transparent;
  --border-color: #ccc;
  --max-content-width: 800px;
  --font-family: 'IBM Plex Mono', 'Courier New', Courier, monospace;
  --link-color: #0037ff;
  --link-hover: #0024b3;
  --accent-color: #0037ff;
  --tag-fiction-border: #888;
  --tag-fiction-color: #555;
  --tag-nonfiction-border: #888;
  --tag-nonfiction-color: #555;
  --tag-reading-border: var(--accent-color);
  --tag-reading-color: var(--accent-color);
  --tag-toread-border: var(--accent-color);
  --tag-toread-color: var(--accent-color);
  --highlight-border: var(--accent-color);
  --highlight-bg: #e4e4e4;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

body, html {
  margin: 0;
  width: 100%;
  overflow-x: hidden;
  font-family: var(--font-family);
  font-size: 0.95rem;
  line-height: 1.55;
  background-color: var(--background-color);
  color: var(--primary-color);
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

/* Typography */
h1 {
  font-size: 2rem;
  font-weight: 900;
  margin: 0 0 0.5rem;
  color: var(--primary-color);
}

h2 {
  font-size: 1.4rem;
  font-weight: 900;
  margin: 2rem 0 0.5rem;
  color: var(--primary-color);
}

h3 {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

p {
  font-size: 0.95rem;
  color: var(--text-color);
  line-height: 1.6;
  margin: 0 0 1rem;
}

a {
  color: var(--link-color);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--link-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Layout */
.content-wrapper {
  width: 100%;
  max-width: var(--max-content-width);
  margin: 20px auto 0;
  padding: 20px;
}

/* Header and Navigation */
header {
  width: 100%;
  background-color: var(--surface-color);
  padding: 1.2rem 2.5rem;
  margin-bottom: 0;
}

nav ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: flex-end;
}

nav ul li {
  margin: 0 0 0 1.8rem;
}

nav ul li.nav-home {
  margin-right: auto;
  margin-left: 0;
}

nav ul li a {
  color: var(--primary-color);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

nav ul li a:hover {
  color: var(--link-color);
}

/* Posts list page */
.content-wrapper > article {
  padding: 0;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.content-wrapper > article:last-child {
  border-bottom: none;
}

.post-description {
  font-size: 1rem;
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
}

/* Article (blog posts, single pages) */
article {
  width: 100%;
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 20px;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

article time {
  display: block;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

article ul, article ol {
  padding-left: 30px;
  line-height: 1.6;
  color: var(--text-color);
  margin-bottom: 1rem;
}

article ul {
  list-style-type: disc;
}

article ol {
  list-style-type: decimal;
}

article li {
  margin-bottom: 0.5rem;
}

/* Site footer */
.site-footer {
  text-align: center;
  color: var(--secondary-color);
  font-size: 0.8rem;
  padding: 2rem 0 1.5rem;
  margin-top: auto;
}

/* Responsive */
main {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

@media (max-width: 600px) {
  .content-wrapper, article { padding: 12px; }

  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.1rem; }

  nav ul {
    gap: 0;
    flex-wrap: wrap;
    justify-content: center;
  }

  nav ul li {
    margin: 0.25rem 0.5rem;
  }

  header {
    padding: 1rem 1rem;
  }
}