/* Bullion Self-custody — hand-built minimal theme. Zero JavaScript. */

:root {
  --bg: #faf9f6;
  --text: #23211c;
  --muted: #6f6a60;
  --accent: #a8842c;
  --accent-strong: #8a6c22;
  --border: #e6e2d8;
  --code-bg: #f1efe9;
  --code-text: #4a463e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --text: #e9e6df;
    --muted: #9d9889;
    --accent: #d3b25e;
    --accent-strong: #e2c47c;
    --border: #2d2b26;
    --code-bg: #211f1b;
    --code-text: #d6d2c8;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 0;
}

.site-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.site-title .accent { color: var(--accent); }

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-header nav a:hover { color: var(--accent); }

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.site-footer {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

/* ---- Home ---- */

.hero h1 {
  font-size: 2rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1rem;
}

.lede {
  color: var(--muted);
  font-size: 1.1rem;
  margin: 0 0 2.5rem;
}

.post-item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.post-item h2 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.4;
}

.post-item h2 a { color: var(--text); text-decoration: none; }
.post-item h2 a:hover { color: var(--accent); }

.post-item .meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0.3rem 0 0.5rem;
}

.post-item p:not(.meta) {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.list-title {
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1.5rem;
}

/* ---- Article ---- */

.post header h1 {
  font-size: 1.9rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem;
}

.post > header .meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 2rem;
}

.post p { margin: 0 0 1.25rem; }

.post h2 {
  font-size: 1.4rem;
  margin: 2.25rem 0 0.75rem;
  letter-spacing: -0.01em;
}

.post h3 { font-size: 1.15rem; margin: 1.75rem 0 0.5rem; }

a { color: var(--accent-strong); }
a:hover { color: var(--accent); }

.post ul, .post ol { padding-left: 1.4rem; margin: 0 0 1.25rem; }
.post li { margin: 0.3rem 0; }

.post blockquote {
  margin: 1.5rem 0;
  padding: 0.25rem 0 0.25rem 1.25rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}

.post blockquote p { margin: 0.25rem 0; }

.post code {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

.post pre {
  background: var(--code-bg);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
  line-height: 1.55;
}

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

.post hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

.post img { max-width: 100%; height: auto; border-radius: 8px; }

.post table {
  border-collapse: collapse;
  width: 100%;
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

.post th, .post td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.post th { background: var(--code-bg); }

.back { color: var(--muted); font-size: 0.95rem; margin-top: 2rem; }