:root {
  --background: #000;
  --surface: #0b0b0b;
  --surface-light: #111;
  --text: #eeeeee;
  --muted: #999999;
  --border: #292929;
  --link: #66b3ff;
  --link-hover: #99ccff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Arial, sans-serif;
  line-height: 1.65;
}

.site-header {
  max-width: 900px;
  margin: 0 auto;
  padding: 36px 20px 24px 20px;
  border-bottom: 1px solid var(--border);
}

.site-title {
  color: var(--text);
  font-size: 2rem;
  font-weight: bold;
  text-decoration: none;
}

.site-description {
  color: var(--muted);
  margin-top: 4px;
}

.site-nav {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-nav a {
  color: var(--link);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 28px 20px 80px 20px;
}

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

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

.category-section {
  margin-bottom: 56px;
}

.category-section h1 {
  font-size: 1.6rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.post-preview {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.post-preview h2 {
    font-size: 1.0rem;
  margin-bottom: 6px;
}

.post-preview h2 a {
  color: var(--text);
  text-decoration: none;
}

.post-preview h2 a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.post-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.tags {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags span {
  border: 1px solid var(--border);
  background: var(--surface);
  color: #cccccc;
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 0.85rem;
}

.empty-category {
  color: var(--muted);
}

.blog-post h1 {
  font-size: 2.2rem;
  line-height: 1.2;
}

.post-body {
  margin-top: 36px;
}

.post-body h1,
.post-body h2,
.post-body h3 {
  line-height: 1.25;
  margin-top: 2rem;
}

.post-body p {
  margin: 1rem 0;
}

.post-body img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.post-body blockquote {
  border-left: 3px solid var(--border);
  margin-left: 0;
  padding-left: 18px;
  color: #cccccc;
}

code {
  background: var(--surface-light);
  border: 1px solid var(--border);
  padding: 2px 5px;
  border-radius: 4px;
}

pre {
  background: var(--surface-light);
  border: 1px solid var(--border);
  padding: 16px;
  overflow-x: auto;
  border-radius: 8px;
}

pre code {
  border: none;
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

th,
td {
  border: 1px solid var(--border);
  padding: 8px;
}

th {
  background: var(--surface-light);
}