*, *::before, *::after { box-sizing: border-box; }
html { font-size: var(--fs-base, 16px); }
body {
  margin: 0;
  font-family: var(--f-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: var(--lh, 1.6);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: var(--f-code); }
pre {
  background: rgba(0,0,0,0.04);
  padding: 1rem;
  overflow-x: auto;
  border-radius: 6px;
  border: 1px solid var(--c-border);
}
code { background: rgba(0,0,0,0.05); padding: 0.1em 0.35em; border-radius: 3px; }
pre code { background: transparent; padding: 0; }

.container { max-width: var(--max-w, 720px); margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.site-header { border-bottom: 1px solid var(--c-border); padding: 1.5rem 0; }
.brand { font-family: var(--f-heading); font-weight: 700; font-size: 1.4rem; color: var(--c-primary); }
.brand img { max-height: 36px; width: auto; display: inline-block; }
.tagline { color: var(--c-muted); margin: 0.25rem 0 0.75rem; font-size: 0.95rem; }
.primary-nav { display: flex; gap: 1.25rem; }
.primary-nav a { color: var(--c-text); font-weight: 500; }

/* Main */
.site-main { padding: 2.5rem 0 4rem; }
.page-title { font-family: var(--f-heading); font-size: 1.75rem; margin: 0 0 1.5rem; color: var(--c-primary); }

/* Post list */
.posts { list-style: none; padding: 0; margin: 0; }
.post-card { padding: 1.5rem 0; border-bottom: 1px solid var(--c-border); }
.post-card .cover img { border-radius: 6px; margin-bottom: 0.75rem; }
.post-card h2 { font-family: var(--f-heading); font-size: 1.4rem; margin: 0.25rem 0 0.5rem; }
.post-card h2 a { color: var(--c-primary); }
.post-card .meta { color: var(--c-muted); font-size: 0.85rem; }
.post-card .author { margin-left: 0.5rem; }
.post-card .excerpt { color: var(--c-text); margin: 0.5rem 0 0.75rem; }
.read-more { font-weight: 500; }

/* Single post */
.post-single .post-header h1 {
  font-family: var(--f-heading);
  font-size: 2.1rem;
  margin: 0 0 0.5rem;
  color: var(--c-primary);
}
.post-single .meta { color: var(--c-muted); font-size: 0.9rem; }
.post-single .cover { margin: 1.5rem 0; }
.post-single .cover img { border-radius: 8px; }
.post-body h2 { font-family: var(--f-heading); color: var(--c-primary); margin-top: 2rem; }
.post-body h3 { font-family: var(--f-heading); color: var(--c-primary); margin-top: 1.5rem; }
.post-body blockquote {
  border-left: 3px solid var(--c-accent);
  padding-left: 1rem;
  color: var(--c-muted);
  margin: 1.5rem 0;
}
.post-body table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.post-body th, .post-body td { border: 1px solid var(--c-border); padding: 0.5rem 0.75rem; text-align: left; }
.post-footer { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--c-border); }

/* Errors */
.error-page { text-align: center; padding: 4rem 0; }
.error-page h1 { font-family: var(--f-heading); color: var(--c-primary); }

/* Footer */
.site-footer { border-top: 1px solid var(--c-border); padding: 1.5rem 0; color: var(--c-muted); font-size: 0.9rem; }
.empty { color: var(--c-muted); }