:root {
  --bg: #111;
  --panel: #1d1d1d;
  --panel2: #262626;
  --text: #f4f4f4;
  --muted: #bbb;
  --accent: #f0c000;
  --accent-dark: #6f5600;
  --line: #3a3a3a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  background: #050505;
  border-bottom: 2px solid var(--accent);
}

.brand {
  font-weight: 800;
  color: var(--accent);
  letter-spacing: .5px;
}

.langbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

button {
  border: 1px solid var(--accent-dark);
  background: var(--accent);
  color: #111;
  font-weight: 700;
  padding: 7px 12px;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

.layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 22px;
}

aside {
  position: sticky;
  top: 70px;
  max-height: calc(100vh - 90px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
}

aside h2 {
  margin-top: 0;
  color: var(--accent);
  font-size: 1.05rem;
}

#toc {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#toc a {
  color: var(--text);
  text-decoration: none;
  border-left: 3px solid transparent;
  padding: 4px 0 4px 8px;
}

#toc a:hover {
  color: var(--accent);
  border-left-color: var(--accent);
}

#toc a.h3 {
  margin-left: 14px;
  font-size: .92rem;
  color: var(--muted);
}

.manual {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 28px;
  overflow-wrap: anywhere;
}

h1, h2, h3 {
  color: var(--accent);
  line-height: 1.25;
}

h1 {
  margin-top: 0;
  font-size: 2rem;
}

h2 {
  margin-top: 2.2rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: .35rem;
}

h3 {
  margin-top: 1.6rem;
}

code {
  background: #000;
  color: #ffe27a;
  padding: .12em .35em;
  border-radius: 4px;
}

pre {
  background: #000;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  overflow: auto;
}

pre code {
  background: transparent;
  padding: 0;
}

a {
  color: var(--accent);
}

ul {
  padding-left: 1.4rem;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
  aside {
    position: static;
    max-height: none;
  }
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}