:root {
  --accent: #7C3AED;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Base */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 18px;
  line-height: 1.7;
  color: #1a1a1a;
  background: #fafafa;
}

/* Layout */
main { max-width: 720px; margin: 0 auto; padding: 2rem 1.5rem; }
header { border-bottom: 1px solid #e5e5e5; padding: 1rem 1.5rem; }
header nav { max-width: 720px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
header nav a { text-decoration: none; }
header .site-name { font-weight: 700; color: #1a1a1a; font-size: 1.1rem; }
header .nav-links { display: flex; gap: 1.5rem; font-size: 0.95rem; }
footer { border-top: 1px solid #e5e5e5; padding: 2rem 1.5rem; text-align: center; color: #666; font-size: 0.9rem; }
footer a { color: var(--accent); }

/* Typography */
h1 { font-size: 2rem; line-height: 1.3; margin-bottom: 1rem; }
h2 { font-size: 1.5rem; line-height: 1.3; margin-top: 2.5rem; margin-bottom: 1rem; }
h3 { font-size: 1.2rem; margin-top: 2rem; margin-bottom: 0.75rem; }
p { margin-bottom: 1.25rem; }

/* Links */
a { color: var(--accent); text-decoration: underline; }
a:hover { text-decoration: none; }

/* TL;DR Block */
.tldr {
  background: #f5f0ff;
  border-left: 4px solid var(--accent);
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
  border-radius: 0 4px 4px 0;
}

/* Article list (homepage) */
.article-list { list-style: none; }
.article-list li { padding: 1rem 0; border-bottom: 1px solid #e5e5e5; }
.article-list a { font-weight: 600; font-size: 1.1rem; }
.article-list p { color: #555; margin-top: 0.25rem; margin-bottom: 0; }

/* Category sections */
.category { margin-top: 2.5rem; }
.category h2 { font-size: 1.3rem; color: #444; border-bottom: 2px solid var(--accent); padding-bottom: 0.5rem; }

/* Code */
code { background: #f3f3f3; padding: 2px 6px; border-radius: 3px; font-size: 0.9em; }
pre { background: #f3f3f3; padding: 1rem; border-radius: 4px; overflow-x: auto; margin-bottom: 1.25rem; }
pre code { background: none; padding: 0; }

/* Article meta */
.article-meta { color: #666; font-size: 0.9rem; margin-bottom: 1.5rem; }

/* About block on homepage */
.about {
  background: #f9f9f9;
  border: 1px solid #e5e5e5;
  padding: 1.25rem 1.5rem;
  border-radius: 4px;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
  font-size: 0.95rem;
  color: #444;
}