:root {
  --bg: #fff;
  --fg: #222;
  --accent: #284b63;
  --muted: #666;
  --border: #e5e5e5;
  --code-bg: #f5f5f5;
  --max-width: 42rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161618;
    --fg: #ebebec;
    --accent: #7b97aa;
    --muted: #999;
    --border: #333;
    --code-bg: #1e1e1e;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  line-height: 1.6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1rem;
}

a {
  color: var(--accent);
  text-decoration: none;

  &:hover {
    text-decoration: underline;
  }
}

header nav {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);

  .site-title {
    font-weight: 600;
  }
}

main {
  min-height: 60vh;
}

h1, h2, h3 {
  margin: 1.5rem 0 0.75rem;
  line-height: 1.3;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

p, ul, ol {
  margin-bottom: 1rem;
}

ul, ol {
  padding-left: 1.5rem;
}

.post-header {
  margin-bottom: 2rem;

  h1 {
    margin-bottom: 0.5rem;
  }

  time {
    color: var(--muted);
    font-size: 0.9rem;
  }
}

.post-list {
  list-style: none;
  padding: 0;

  li {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;

    time {
      color: var(--muted);
      font-size: 0.9rem;
      min-width: 6rem;
    }
  }
}

.recent-posts {
  margin-top: 3rem;
}

code {
  font-family: "Fira Code", "SF Mono", Consolas, monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.1em 0.3em;
  border-radius: 3px;
}

pre {
  background: var(--code-bg);
  padding: 1rem;
  overflow-x: auto;
  border-radius: 4px;
  margin-bottom: 1rem;

  code {
    background: none;
    padding: 0;
  }
}

blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--muted);
}

.pagination {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.not-found {
  text-align: center;
  padding: 3rem 0;

  h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
  }
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}