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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

header {
  margin-bottom: 3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

header h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

header h1 a {
  color: inherit;
  text-decoration: none;
}

nav {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  margin-right: 1rem;
}

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

footer {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

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

.post-list li {
  margin-bottom: 2rem;
}

.post-list .post-date {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.15rem;
}

.post-list .post-author {
  font-style: italic;
}

.post-list a {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-post-title);
  text-decoration: none;
}

.post-list a:hover {
  color: var(--color-link-hover);
}

.post-list .excerpt {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

article h1 {
  font-size: 1.8rem;
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

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

article .content h2 { font-size: 1.4rem; margin: 2rem 0 0.75rem; }
article .content h3 { font-size: 1.2rem; margin: 1.5rem 0 0.5rem; }
article .content p { margin-bottom: 1.25rem; }
article .content a { color: var(--color-link); }

article .content blockquote {
  border-left: 3px solid var(--color-border);
  padding-left: 1rem;
  color: var(--color-text-secondary);
  margin: 1.5rem 0;
}

article .content pre {
  background: var(--color-code-bg);
  color: var(--color-code-text);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

article .content code {
  font-family: "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.9em;
}

article .content p code {
  background: var(--color-inline-code-bg);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
}

article .content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 1.5rem 0;
}

article .content ul,
article .content ol {
  margin: 1rem 0 1.25rem 1.25rem;
}

.embed-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  margin: 1.5rem 0;
  border-radius: 6px;
}

.embed-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
}

.back-link:hover {
  color: var(--color-text);
}