:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --card: #121212;
  --fg: #fafafa;
  --muted: #a3a3a3;
  --border: #262626;
  --primary: #22c55e;
  --radius: 0.5rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.site-header .wrap {
  max-width: 860px;
  min-height: 4rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-logo {
  height: 1.75rem;
  width: 1.75rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-nav a:hover {
  color: var(--fg);
}

.site-nav a.current {
  color: var(--primary);
}

/* Main */
main.wrap {
  max-width: 720px;
  padding-top: 3rem;
  padding-bottom: 4rem;
  min-height: calc(100vh - 4rem - 4.5rem);
}

.hero {
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

.hero p {
  color: var(--muted);
  margin: 0;
}

/* Post list */
.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-item {
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
}

.post-item:first-child {
  padding-top: 0;
}

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

.post-item h2 {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
}

.post-item time {
  color: var(--muted);
  font-size: 0.85rem;
}

.post-item p {
  color: var(--muted);
  margin: 0.5rem 0 0;
}

/* Single post */
.post-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}

.post-header h1 {
  font-size: 2rem;
  margin: 0 0 0.5rem;
}

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

.tags {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.75rem;
  color: var(--primary);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
}

.post-content h2 {
  margin-top: 2rem;
}

.post-content code {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  padding: 0.1rem 0.35rem;
  font-size: 0.9em;
}

.post-content pre {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
}

.post-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.post-content blockquote {
  border-left: 3px solid var(--primary);
  margin: 1.5rem 0;
  padding: 0.25rem 0 0.25rem 1rem;
  color: var(--muted);
}

.post-content img {
  max-width: 100%;
  border-radius: var(--radius);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
}

.site-footer .wrap {
  max-width: 860px;
  min-height: 4.5rem;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
}

.site-footer a:hover {
  color: var(--fg);
}

.site-footer a.current {
  color: var(--primary);
}

@media (min-width: 640px) {
  .site-footer .wrap {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}