/* Design tokens — this is the one file a future corporate-identity pass
   touches. Swap values here; templates never hardcode colors/fonts/spacing. */
:root {
  --color-bg: #ffffff;
  --color-fg: #1a1a1a;
  --color-muted: #5f6368;
  --color-accent: #0a5c36;
  --color-border: #e2e2e2;
  --color-code-bg: #f4f4f4;

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;

  --content-width: 42rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f1113;
    --color-fg: #e8e8e6;
    --color-muted: #9a9a94;
    --color-accent: #4fd18b;
    --color-border: #2a2d30;
    --color-code-bg: #1a1c1e;
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-fg);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
}

.wrap {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-3) var(--space-2);
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration-thickness: 2px;
}

header.site {
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

header.site .brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--color-fg);
}

header.site .tagline {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin: var(--space-1) 0 var(--space-3);
}

header.site nav {
  margin-bottom: var(--space-2);
}

header.site nav a {
  margin-right: var(--space-2);
  font-size: 0.9rem;
}

h1, h2, h3 {
  line-height: 1.25;
  font-weight: 650;
}

h1 {
  font-size: 1.9rem;
  margin-bottom: var(--space-1);
}

.post-list-item {
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.post-list-item:last-child {
  border-bottom: none;
}

.post-list-item h2 {
  margin-bottom: 0.25rem;
  font-size: 1.3rem;
}

.post-meta {
  font-family: var(--font-mono);
  color: var(--color-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-1);
}

.post-summary {
  color: var(--color-muted);
}

article.post h1 {
  margin-top: 0;
}

article.post .post-meta {
  margin-bottom: var(--space-4);
}

article.post pre {
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-2);
  overflow-x: auto;
  font-size: 0.9rem;
}

article.post code {
  font-family: var(--font-mono);
  background: var(--color-code-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.9em;
}

article.post pre code {
  background: none;
  padding: 0;
}

article.post blockquote {
  border-left: 3px solid var(--color-accent);
  margin-left: 0;
  padding-left: var(--space-2);
  color: var(--color-muted);
}

footer.site {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-5);
  padding-top: var(--space-2);
  color: var(--color-muted);
  font-size: 0.85rem;
}