:root {
  --bg-color: #f8f9fa;
  --text-color: #212529;
  --link-color: #0366d6;
  --card-bg: #ffffff;
  --border-color: #e9ecef;
  --meta-color: #868e96;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --link-color: #58a6ff;
    --card-bg: #1e1e1e;
    --border-color: #333333;
    --meta-color: #888888;
  }
}

body {
  font-family: 'Ubuntu', 'BIZ UDPGothic', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 600px; /* Narrower width for stream */
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  margin-bottom: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.5px;
}

.site-title a {
  color: var(--text-color);
}

nav a {
  margin-left: 1rem;
  font-size: 0.9rem;
  color: var(--meta-color);
}

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

.post-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.post-meta {
  font-size: 0.85rem;
  color: var(--meta-color);
  margin-bottom: 0.75rem;
  font-family: 'Ubuntu Mono', monospace;
}

.post-content {
  font-size: 1rem;
}

.post-content p {
  margin-top: 0;
  margin-bottom: 1rem;
}

.post-content p:last-child {
  margin-bottom: 0;
}

.pagination {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
}

footer {
  margin-top: 4rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--meta-color);
}