body {
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 40px;
}

.post {
  background: white;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.post-date {
  color: #666;
  font-size: 0.9em;
  margin-bottom: 10px;
}

.post-content {
  margin-bottom: 15px;
}

.post-media {
  max-width: 100%;
  height: auto;
  margin-top: 10px;
  border-radius: 4px;
}

.post-link {
  color: #1a8cd8;
  text-decoration: none;
}

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

.pagination {
  text-align: center;
  margin: 20px 0;
}

.pagination button {
  background: #1a8cd8;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

.pagination button:hover {
  background: #1577b8;
}

.pagination button:disabled {
  background: #ccc;
  cursor: not-allowed;
}

.loader {
  text-align: center;
  padding: 20px;
  color: #666;
  font-style: italic;
}

.hero {
  max-width: 800px;
  margin: 2rem auto;
}

.hero>div {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0 1rem;
}

.hero img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 100%;
}

.hero-text {
  font-size: 1.4rem;
  text-align: left;
  padding: 1rem;
  font-weight: bold;
}

.nav {
  position: sticky;
  top: 0;
  bottom: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  padding: 1rem 0;
  z-index: 1000;
}

.nav ul {
  max-width: 800px;
  list-style: none;
  margin: auto;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.nav li {
  flex: 1;
  text-align: center;
}

.nav a {
  display: block;
  color: white;
  text-decoration: none;
  padding: 0.5rem 1rem;
  font-size: 1.2rem;
}

main {
  padding: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

body.has-sticky-nav {
  padding-top: 64px;
}

.post-reply {
  margin-top: 1rem;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  margin: 1em 0 0.5em;
}

.post-content code {
  background: #f4f4f4;
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-family: monospace;
}

.post-content pre {
  background: #f4f4f4;
  padding: 1em;
  border-radius: 5px;
  overflow-x: auto;
}

.post-content blockquote {
  border-left: 3px solid #ccc;
  margin: 1em 0;
  padding-left: 1em;
  color: #666;
}

.post-content ul,
.post-content ol {
  padding-left: 2em;
  margin: 1em 0;
}

.post-comments {
  margin-top: 2rem;
  padding-top: 1rem;
}

.post-comment {
  margin: 1rem 0;
  padding: 1rem;
  background: #f9f9f9;
  border-radius: 8px;
}

.comment-author {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

.comment-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  margin-right: 0.5rem;
}

.comment-content {
  margin-left: 2rem;
}

.post-actions {
  margin-top: 1rem;
  padding-top: 1rem;
  text-align: right;
}

.post-actions a {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: #f5f5f5;
  border-radius: 4px;
}

.post-actions a:hover {
  background: #eee;
}

@media (max-width: 768px) {
  .nav ul {
    align-items: center;
    gap: 0.5rem;
  }

  .nav li {
    width: 100%;
    max-width: none;
  }

  .nav a {
    padding: 0;
    font-size: 0.85rem;
  }

  .hero>div {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .hero-text {
    font-size: 1.2rem;
    text-align: center;
    padding: 0;
  }
}