:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c2330;
  --muted: #5b6577;
  --line: #dde2ea;
  --accent: #d6402f;
  --accent-dark: #a92f21;
  --code-bg: #10151f;
  --code-text: #e6ebf3;
  --ok: #1f8a4c;
  --radius: 10px;
  --wrap: 1080px;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e121a;
    --surface: #161c27;
    --text: #e3e8f0;
    --muted: #9aa5b8;
    --line: #273042;
    --accent: #ef6a57;
    --accent-dark: #f08b7c;
    --code-bg: #0a0e15;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
a { color: var(--accent-dark); }
img { max-width: 100%; height: auto; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }

header.top { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; }
.brand img { width: 30px; height: 30px; }
nav.main ul { list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; }
nav.main a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav.main a[aria-current="page"], nav.main a:hover { color: var(--text); }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; color: var(--text); padding: 6px 10px; font-size: 15px; }

.hero { padding: 64px 0 48px; }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 0 0 16px; }
.hero p.lead { font-size: 19px; color: var(--muted); max-width: 680px; margin: 0 0 28px; }
.hero .grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.btn { display: inline-block; background: var(--accent); color: #fff; padding: 11px 20px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); margin-left: 8px; }

section { padding: 36px 0; }
section h2 { font-size: 26px; margin: 0 0 18px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }

.page { padding: 40px 0 24px; }
.page h1 { font-size: clamp(28px, 4vw, 38px); margin: 0 0 12px; }
.page .intro { color: var(--muted); font-size: 18px; max-width: 760px; }
.content { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; margin: 24px 0; }
.content h2 { font-size: 22px; margin: 28px 0 10px; }
.content h2:first-child { margin-top: 0; }

table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.table-scroll { overflow-x: auto; }

pre { position: relative; background: var(--code-bg); color: var(--code-text); padding: 16px; border-radius: 8px; overflow-x: auto; font-size: 14px; }
code { font-family: "JetBrains Mono", ui-monospace, Consolas, monospace; }
p code, li code, td code { background: var(--bg); border: 1px solid var(--line); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }
.copy { position: absolute; top: 8px; right: 8px; background: #263043; color: #e6ebf3; border: 0; border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer; }

.note { border-left: 3px solid var(--accent); background: var(--bg); padding: 12px 16px; border-radius: 0 8px 8px 0; color: var(--muted); }
.status { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.status::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--ok); }

details { border-bottom: 1px solid var(--line); padding: 14px 0; }
details summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }

footer.bottom { border-top: 1px solid var(--line); margin-top: 40px; padding: 24px 0; color: var(--muted); font-size: 14px; }
footer.bottom .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 760px) {
  .hero .grid { grid-template-columns: 1fr; }
  .menu-toggle { display: block; }
  nav.main { display: none; position: absolute; top: 60px; left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--line); }
  nav.main.open { display: block; }
  nav.main ul { flex-direction: column; gap: 0; padding: 8px 16px; }
  nav.main li a { display: block; padding: 10px 0; }
  .content { padding: 18px; }
  .btn.secondary { margin: 10px 0 0; }
}