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

:root {
  --void: #0a0a0a;
  --canopy: #4ade80;
  --heartwood: #d4a853;
  --bone: #e0e0e0;
  --shade: #1a1a1a;
  --muted: #888;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--void);
  color: var(--bone);
  line-height: 1.65;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Nav */
nav {
  padding: 1.25rem 0;
  font-size: 0.82rem;
  border-bottom: 1px solid #222;
  margin-bottom: 2rem;
}
.nav-home {
  color: var(--canopy);
  text-decoration: none;
  font-weight: 700;
}
.nav-home:hover { text-decoration: underline; }
.nav-sep { color: #444; margin: 0 0.4rem; }
.nav-section { color: var(--muted); }

/* Index */
.index-header {
  padding: 3rem 0 2rem;
}
.index-header h1 {
  font-size: 1.6rem;
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.index-sub {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Post list */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.post-card {
  padding: 1rem 0;
  border-bottom: 1px solid #1a1a1a;
}
.post-card a {
  text-decoration: none;
  color: inherit;
}
.post-card a:hover h2 { color: var(--canopy); }
.post-card h2 {
  font-size: 1.1rem;
  color: #fff;
  font-weight: 600;
  margin-bottom: 0.2rem;
  transition: color 0.15s;
}
.post-meta {
  font-size: 0.75rem;
  color: var(--muted);
}
.post-tags {
  font-size: 0.7rem;
  color: var(--heartwood);
  margin-top: 0.15rem;
}

/* Post page */
.post-header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid #222;
  margin-bottom: 1.5rem;
}
.post-header h1 {
  font-size: 1.8rem;
  color: #fff;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

/* Post body */
.post-body {
  font-size: 0.92rem;
}
.post-body p { margin: 0.8rem 0; }
.post-body h2 {
  font-size: 1.15rem;
  color: #fff;
  margin: 1.8rem 0 0.5rem;
  font-weight: 700;
}
.post-body h3 {
  font-size: 1rem;
  color: #fff;
  margin: 1.4rem 0 0.4rem;
  font-weight: 600;
}
.post-body ul, .post-body ol {
  padding-left: 1.3rem;
  margin: 0.6rem 0;
}
.post-body li { margin: 0.3rem 0; }
.post-body a {
  color: var(--canopy);
  text-decoration: underline;
}
.post-body code {
  background: var(--shade);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  font-size: 0.85em;
}
.post-body pre {
  background: #111;
  padding: 0.8rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0.8rem 0;
}
.post-body pre code {
  background: none;
  padding: 0;
  font-size: 0.8rem;
}
.post-body blockquote {
  border-left: 3px solid var(--canopy);
  padding-left: 0.8rem;
  margin: 0.8rem 0;
  color: var(--muted);
  font-style: italic;
}
.post-body strong { color: #fff; }
.post-body hr {
  border: none;
  border-top: 1px solid #222;
  margin: 1.5rem 0;
}

/* Footer */
footer {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid #222;
  text-align: center;
  font-size: 0.75rem;
  color: #444;
  font-style: italic;
}

@media (max-width: 600px) {
  .index-header h1 { font-size: 1.3rem; }
  .post-header h1 { font-size: 1.4rem; }
}