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

:root {
  --bg: #0a0e17;
  --surface: #111827;
  --border: #1e293b;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --green: #22c55e;
  --code-bg: #0d1117;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Nav */
nav {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(12px);
  z-index: 10;
}
nav .nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo { font-size: 16px; font-weight: 700; color: var(--text); letter-spacing: -0.3px; }
.logo span { color: var(--accent); }
nav ul { list-style: none; display: flex; gap: 28px; }
nav ul a { color: var(--text-muted); font-size: 14px; font-weight: 500; }
nav ul a:hover { color: var(--text); }

/* Article */
article {
  max-width: 680px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); }

h1 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.meta {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 12px;
  letter-spacing: -0.3px;
}

p { margin-bottom: 16px; color: var(--text); font-size: 16px; }

ul, ol { margin: 0 0 16px 20px; color: var(--text); }
li { margin-bottom: 6px; font-size: 16px; }

/* Code */
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.6;
  margin: 16px 0 24px;
}
code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 14px;
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
}
pre code { background: none; padding: 0; }

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }

/* CTA box */
.cta-box {
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 28px;
  margin: 40px 0;
  text-align: center;
}
.cta-box h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.cta-box p { color: var(--text-muted); font-size: 15px; margin-bottom: 16px; }
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  transition: background 0.2s;
}
.btn:hover { background: var(--accent-hover); color: #fff; }

/* Footer */
footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}
footer a { color: var(--text-muted); }
footer a:hover { color: var(--text); }
/* Generated SEO pages */
body { background: var(--bg); }
nav ul a.nav-account { color: var(--accent); }
article.wide { max-width: 760px; }
.answer {
  background: var(--surface);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 18px 22px;
  margin: 0 0 28px;
}
.answer p { margin: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 16px 0 28px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; }
.stat b { display: block; font-size: 22px; letter-spacing: -0.5px; }
.stat span { font-size: 13px; color: var(--text-muted); }
.table-wrap { overflow-x: auto; margin: 16px 0 24px; }
.table-wrap table { margin: 0; min-width: 520px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.demo { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin: 8px 0 32px; }
.demo label { display: block; font-size: 14px; color: var(--text-muted); margin-bottom: 8px; }
.demo-row { display: flex; gap: 8px; }
.demo-row input {
  flex: 1; min-width: 0; padding: 11px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 15px; font-family: 'SF Mono', monospace; outline: none;
}
.demo-row input:focus { border-color: var(--accent); }
.demo-row button { border: none; cursor: pointer; }
.demo-result { margin-top: 14px; font-size: 14px; }
.demo-result[hidden] { display: none; }
.demo-result h3 { font-size: 16px; margin-bottom: 8px; }
.demo-result dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; }
.demo-result dt { color: var(--text-muted); }
.demo-result dd { font-weight: 600; }
.demo-result p { font-size: 14px; margin: 10px 0 0; color: var(--text-muted); }
.demo-result .error { color: #ef4444; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 14px 18px; margin-bottom: 10px; }
.faq summary { font-weight: 600; cursor: pointer; }
.faq details p { margin: 8px 0 0; color: var(--text-muted); font-size: 15px; }
.related { list-style: none; margin-left: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px 16px; }
.note { font-size: 14px; color: var(--text-muted); }
@media (max-width: 600px) {
  article { padding: 36px 16px 60px; }
  nav ul { gap: 14px; }
  nav .nav-secondary { display: none; }
  .demo-row { flex-direction: column; }
}