:root {
  --bg: #0d1117;
  --surface: #161b22;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --border: #30363d;
  --max-width: 720px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--accent);
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
}

main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem;
  width: 100%;
}

.hero {
  text-align: center;
  margin-bottom: 3rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.posts h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.post-list {
  list-style: none;
}

.post-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.post-list a {
  color: var(--accent);
  text-decoration: none;
  font-size: 1.1rem;
  text-transform: capitalize;
}

.post-list a:hover {
  text-decoration: underline;
}

/* Post page */
.post h1 {
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.date {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.cover-image {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
}

.content {
  margin-bottom: 2rem;
}

.content h2 {
  font-size: 1.4rem;
  margin: 1.5rem 0 0.75rem;
}

.content p {
  margin-bottom: 1rem;
}

.content ul, .content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.content li {
  margin-bottom: 0.5rem;
}

.content code {
  background: var(--surface);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent);
}

.content pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.content pre code {
  background: none;
  padding: 0;
  color: var(--text);
}

.audio-player {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.audio-player h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.audio-player audio {
  width: 100%;
}

.back-link {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95rem;
}

.back-link:hover {
  text-decoration: underline;
}

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
}

footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
}