* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0a0a0a;
  color: #e5e5e5;
  line-height: 1.65;
}
code, pre { font-family: "JetBrains Mono", ui-monospace, Menlo, monospace; font-size: 0.92em; }
a { color: #10b981; text-decoration: none; }
a:hover { color: #34d399; text-decoration: underline; }
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #1f1f1f;
  position: sticky; top: 0; background: rgba(10,10,10,0.92); backdrop-filter: blur(10px);
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 600; color: #f5f5f5; }
.brand .a {
  width: 28px; height: 28px; border-radius: 6px;
  background: linear-gradient(135deg, #10b981, #059669);
  display: grid; place-items: center; color: #0a0a0a; font-weight: 700;
}
.top-nav { display: flex; align-items: center; gap: 1.2rem; }
.top-nav > a { color: #a3a3a3; font-size: 0.9rem; font-weight: 500; }
.top-nav > a:hover { color: #e5e5e5; }
.app-cta {
  padding: 0.5rem 1rem; border: 1px solid #10b981; border-radius: 0.5rem;
  color: #10b981!important; font-weight: 500; font-size: 0.9rem;
}
.app-cta:hover { background: #0c2620; text-decoration: none; }
.layout {
  display: grid; grid-template-columns: 240px 1fr; gap: 3rem;
  max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem;
}
aside {
  display: flex; flex-direction: column; gap: 0.35rem;
  position: sticky; top: 5rem; align-self: start; max-height: calc(100vh - 6rem); overflow: auto;
}
aside a {
  padding: 0.5rem 0.75rem; border-radius: 0.5rem;
  color: #a3a3a3; font-size: 0.92rem;
}
aside a:hover { background: #141414; color: #e5e5e5; text-decoration: none; }
aside a.active { background: #0c2620; color: #10b981; }
main { min-width: 0; }
main h1 { font-size: 2rem; font-weight: 700; margin: 0 0 1rem; color: #fafafa; letter-spacing: -0.02em; }
main h2 { font-size: 1.4rem; font-weight: 600; margin: 2.2rem 0 0.8rem; color: #fafafa; letter-spacing: -0.01em; }
main h3 { font-size: 1.1rem; font-weight: 600; margin: 1.6rem 0 0.6rem; color: #f0f0f0; }
main p, main li { color: #d4d4d4; }
main ul, main ol { padding-left: 1.4rem; }
main li { margin: 0.25rem 0; }
main code:not(pre code) {
  background: #141414; border: 1px solid #262626;
  padding: 0.1rem 0.4rem; border-radius: 4px; color: #fbbf24;
}
main pre {
  background: #0f0f0f; border: 1px solid #1f1f1f;
  padding: 1rem; border-radius: 0.5rem; overflow-x: auto;
  margin: 1rem 0;
}
main pre code { background: none; border: none; color: #e5e5e5; padding: 0; }
main table { border-collapse: collapse; margin: 1rem 0; font-size: 0.92rem; width: 100%; }
main th, main td { border: 1px solid #1f1f1f; padding: 0.5rem 0.75rem; text-align: left; }
main th { background: #141414; color: #fafafa; font-weight: 600; }
main blockquote {
  border-left: 3px solid #10b981; padding: 0.1rem 1rem;
  color: #a3a3a3; margin: 1rem 0; background: #0c1a16;
}
main hr { border: none; border-top: 1px solid #1f1f1f; margin: 2rem 0; }
footer {
  border-top: 1px solid #1f1f1f; padding: 1.5rem; text-align: center;
  color: #737373; font-size: 0.85rem;
}
footer a { color: #737373; margin: 0 0.3rem; }
footer a:hover { color: #10b981; }
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; gap: 1.5rem; }
  aside { position: static; flex-direction: row; flex-wrap: wrap; max-height: none; }
  aside a { font-size: 0.85rem; padding: 0.4rem 0.7rem; }
  header { padding: 0.8rem 1rem; }
  .top-nav { gap: 0.8rem; }
  .top-nav > a:not(.app-cta) { display: none; }
  .app-cta { font-size: 0.85rem; padding: 0.4rem 0.8rem; }
}