:root {
  color-scheme: light dark;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  max-width: 60rem;
  margin: 0 auto;
  padding: 1rem;

  --primary-color: #0a4fb8;
  --page-background: #fdfdfd;
  --page-text: #222;
  --meta-text: #555;
  --border-color: rgba(0, 0, 0, 0.1);
  --header-bg: rgba(10, 79, 184, 0.08);
  --tag-bg: rgba(10, 79, 184, 0.1);
  --code-bg: rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary-color: #6ba3ff;
    --page-background: #1a1a1a;
    --page-text: #e0e0e0;
    --meta-text: #aaa;
    --border-color: rgba(255, 255, 255, 0.1);
    --header-bg: rgba(107, 163, 255, 0.1);
    --tag-bg: rgba(107, 163, 255, 0.15);
    --code-bg: rgba(255, 255, 255, 0.08);
  }
}

body {
  margin: 0;
  background: var(--page-background);
  color: var(--page-text);
}

a {
  color: var(--primary-color);
}

a:hover,
a:focus {
  text-decoration: underline;
}

a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.site-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem;
}

.site-header nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

main {
  padding: 1.5rem;
}

#posts-status {
  font-style: italic;
}

#posts-list {
  list-style: none;
  padding: 0;
}

#posts-list li {
  margin: 0.5rem 0;
}

.post-tags {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
  flex-wrap: wrap;
}

.post-tags li {
  background: var(--tag-bg);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
}

#posts-list .post-meta {
  color: var(--meta-text);
  font-size: 0.875rem;
}

#post-body pre {
  background: var(--code-bg);
  padding: 1rem;
  overflow-x: auto;
  border-radius: 4px;
}

#post-body img {
  max-width: 100%;
  height: auto;
}

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

/* Responsive design */
@media (max-width: 768px) {
  :root {
    padding: 0.5rem;
  }

  .site-header {
    padding: 0.75rem;
  }

  main {
    padding: 1rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .site-footer {
    padding: 1.5rem 1rem;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 15px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .post-tags {
    gap: 0.375rem;
  }

  .post-tags li {
    padding: 0.2rem 0.5rem;
    font-size: 0.8rem;
  }
}

/* Print styles */
@media print {
  .site-header,
  .site-footer {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: inherit;
    text-decoration: underline;
  }
}