:root {
  --bg: #0c0c0c;
  --code-bg: #1a1a1a;
  --text: #d4d4d4;
  --text-muted: #777;
  --heading: #e8e8e8;
  --accent: #7cb3ff;
  --red: #e06060;
  --green: #6bce80;
  --warn-bg: #1e1410;
  --warn-border: #4a2a1a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

header p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

header {
  margin-bottom: 3rem;
}

h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

section {
  margin-bottom: 2.5rem;
}

p {
  margin-bottom: 0.75rem;
}

pre {
  background: var(--code-bg);
  border-radius: 4px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin: 1rem 0;
  font-size: 0.875rem;
  line-height: 1.7;
}

code {
  color: var(--accent);
  font-family: inherit;
  font-size: 0.875rem;
}

.comment { color: var(--text-muted); }
.output { color: var(--green); }

ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0.75rem;
}

ul li {
  padding: 0.15rem 0 0.15rem 1.5rem;
  position: relative;
}

ul li::before {
  content: "-";
  position: absolute;
  left: 0.25rem;
  color: var(--text-muted);
}

.warn {
  background: var(--warn-bg);
  border-left: 3px solid var(--red);
  border-radius: 4px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}

.warn h3 {
  color: var(--red);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.875rem;
}

th, td {
  text-align: left;
  padding: 0.4rem 1rem 0.4rem 0;
}

th {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid #222;
}

td {
  border-bottom: 1px solid #181818;
}

tr:last-child td { border-bottom: none; }

footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #1a1a1a;
  color: var(--text-muted);
  font-size: 0.75rem;
}

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

strong { color: var(--heading); font-weight: 700; }