:root {
  --red: #e61e26;
  --red-dark: #b8141b;
  --white: #ffffff;
  --bg: #f7f7f8;
  --ink: #111111;
  --muted: #5c5c5c;
  --line: #e5e5e5;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Segoe UI, system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--red-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 900px; margin: 0 auto; padding: 1rem 1.25rem 2rem; }
.topbar {
  background: var(--white);
  border-bottom: 3px solid var(--red);
  padding: 1rem 0;
}
.topbar-inner {
  display: flex;
  justify-content: center;
  align-items: center;
}
.logo { height: 48px; width: auto; display: block; }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}
h1, h2, h3 { margin: .2rem 0 .8rem; }
h2 { border-bottom: 2px solid var(--red); padding-bottom: .35rem; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: .85rem; word-break: break-all; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; margin-top: .5rem; }
th, td {
  border-bottom: 1px solid var(--line);
  padding: .55rem .4rem;
  text-align: left;
  vertical-align: top;
}
th { font-size: .8rem; text-transform: uppercase; color: var(--muted); }
ul { padding-left: 1.2rem; }
pre.code {
  background: #111;
  color: #f5f5f5;
  padding: .9rem 1rem;
  border-radius: 8px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, Consolas, monospace;
  font-size: .85rem;
}
.doc-toc ul { margin: .5rem 0 0; padding-left: 1.2rem; }
.doc-toc li { margin: .25rem 0; }
.footer {
  color: var(--muted);
  font-size: .9rem;
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  text-align: center;
  line-height: 1.6;
}