:root {
  --bg: #0a0f19;
  --bg-elev: #111827;
  --panel: #131c2a;
  --border: #243244;
  --text: #ebf2ff;
  --muted: #aebbd1;
  --accent: #36c784;
  --accent-2: #2db7ff;
  --code: #0f1724;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at top, rgba(45,183,255,0.10), transparent 30%),
    linear-gradient(180deg, #0a0f19 0%, #0b111b 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { color: #74d4ff; }

.site-shell { max-width: 980px; margin: 0 auto; padding: 32px 24px 72px; }
.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.site-brand { color: var(--text); font-size: 0.98rem; font-weight: 700; letter-spacing: 0.02em; }
.site-nav { display: flex; flex-wrap: wrap; gap: 16px; }
.site-nav a { color: var(--muted); font-size: 0.9rem; }
.site-nav a:hover { color: var(--text); }
.site-main h1:first-child { margin-top: 0; }

h1, h2, h3 { color: var(--text); line-height: 1.15; }
h1 { font-size: clamp(1.9rem, 5.4vw, 3.3rem); margin: 0 0 18px; }
h2 { font-size: 1.6rem; margin-top: 46px; margin-bottom: 16px; }
h3 { font-size: 1.08rem; margin-top: 28px; margin-bottom: 10px; }
p, li { color: var(--muted); font-size: 0.98rem; }
strong { color: var(--text); }

blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 4px solid var(--accent);
  background: rgba(19, 28, 42, 0.85);
  color: var(--text);
}
code, pre { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
code {
  padding: 0.15em 0.35em;
  border-radius: 0.35rem;
  background: rgba(255,255,255,0.06);
  color: var(--text);
}
pre {
  overflow-x: auto;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--code);
}
pre code { padding: 0; background: transparent; }
table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: rgba(19, 28, 42, 0.7);
}
th, td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; }
th { color: var(--text); background: rgba(255,255,255,0.04); }

@media (max-width: 720px) {
  .site-shell { padding: 24px 18px 56px; }
  .site-header { margin-bottom: 28px; }
}