:root {
  --bg: #0a0e1a;
  --panel: #111827;
  --border: #243049;
  --text: #e8edf7;
  --muted: #97a3b8;
  --cyan: #22d3ee;
  --cyan-dim: #0e7490;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  background-image:
    linear-gradient(rgba(36, 48, 73, .35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 48, 73, .35) 1px, transparent 1px);
  background-size: 72px 72px;
}

.wrap { max-width: 820px; margin: 0 auto; padding: 0 24px 80px; }

header.site {
  display: flex; align-items: center; gap: 16px;
  padding: 28px 0 20px; margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
header.site img { width: 56px; height: 56px; border-radius: 50%; border: 3px solid var(--cyan); }
header.site .name { font-size: 26px; font-weight: 700; letter-spacing: .2px; }
header.site .tag { color: var(--muted); font-size: 14px; }

nav a {
  color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px;
}
nav a:hover, nav a.active { color: var(--cyan); }
nav { margin-left: auto; }

h1 { font-size: 34px; line-height: 1.25; margin: 12px 0 8px; }
h2 { font-size: 21px; margin: 34px 0 10px; color: #fff; }
h3 { font-size: 17px; margin: 24px 0 6px; color: var(--cyan); }
p, li { color: #d5dcea; }
a { color: var(--cyan); }

.lede { font-size: 18px; color: var(--muted); margin-bottom: 8px; }
.updated { color: var(--muted); font-size: 14px; margin-bottom: 26px; }

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px 24px; margin: 22px 0;
}
.panel h3 { margin-top: 0; }

ul { padding-left: 22px; }
li { margin: 6px 0; }

table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--cyan); font-weight: 600; }

code {
  background: #0d1117; border: 1px solid var(--border); border-radius: 5px;
  padding: 1px 6px; font-family: Consolas, monospace; font-size: 14px; color: #e6edf3;
}

footer {
  margin-top: 60px; padding-top: 22px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 16px;
}
footer a { margin-right: 4px; }

@media (max-width: 620px) {
  header.site { flex-wrap: wrap; }
  nav { margin-left: 0; width: 100%; }
  nav a { margin: 0 16px 0 0; }
  h1 { font-size: 27px; }
}