*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #0b0f17;
  --panel: #131a26;
  --line: #222c3d;
  --text: #e6ebf4;
  --muted: #94a1b8;
  --accent: #3d7bff;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a {
  color: var(--accent);
  text-decoration: none;
}

.layout {
  display: flex;
  max-width: 1180px;
  margin: 0 auto;
}

.side {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  flex: 0 0 220px;
  height: 100vh;
  padding: 32px 20px;
  border-right: 1px solid var(--line);
  overflow-y: auto;
}

.side a {
  padding: 4px 0;
  color: var(--muted);
}

.side a:hover {
  color: var(--text);
}

.side .brand {
  margin-bottom: 16px;
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
}

.content {
  flex: 1;
  min-width: 0;
  padding: 32px 32px 80px;
}

.content h1 {
  margin: 0 0 24px;
  font-size: 34px;
}

section {
  padding-top: 8px;
  margin-bottom: 40px;
}

h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

h3 {
  margin: 24px 0 8px;
  font-size: 17px;
}

p {
  margin: 0 0 12px;
  color: var(--muted);
}

ul {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--muted);
}

li {
  margin: 0 0 4px;
}

td strong,
td em {
  color: var(--text);
}

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.btn:hover {
  background: #2f6bf0;
}

.ep {
  color: var(--text);
}

.ep .m {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 8px;
  border-radius: 6px;
  background: #13361f;
  color: #4ade80;
  font-size: 13px;
  font-weight: 700;
}

table {
  width: 100%;
  margin: 0 0 16px;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  padding: 8px 10px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--panel);
  font-weight: 600;
}

pre {
  margin: 0 0 16px;
  padding: 14px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0a0e15;
  font-size: 13px;
  line-height: 1.5;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

@media (max-width: 800px) {
  .layout {
    display: block;
  }

  .side {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 4px 14px;
    height: auto;
    padding: 16px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .side .brand {
    width: 100%;
    margin-bottom: 4px;
  }

  .content {
    padding: 24px 20px 60px;
  }
}