:root {
  --primary: #1152d4;
  --primary-dark: #0e47b5;
  --primary-light: #eff4ff;
  --text: #1a1a1a;
  --muted: #6b7280;
  --border: #e5e7eb;
  --bg: #ffffff;
  --sidebar-bg: #f8fafc;
  --code-bg: #f3f4f6;
  --max-width: 1100px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  background: var(--code-bg);
  border-radius: 4px;
}
code { padding: 2px 6px; font-size: 0.9em; }
pre { padding: 12px 16px; overflow-x: auto; }
pre code { background: transparent; padding: 0; }

/* Layout principal con sidebar */
.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 24px 20px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar h1 {
  font-size: 1.1rem;
  margin: 0 0 16px;
  color: var(--primary);
}
.sidebar nav ul { list-style: none; padding: 0; margin: 0; }
.sidebar nav li { margin: 4px 0; }
.sidebar nav a {
  display: block;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
}
.sidebar nav a:hover {
  background: var(--primary-light);
  text-decoration: none;
}
.sidebar nav a.active {
  background: var(--primary);
  color: #fff;
}

main.content {
  padding: 40px 48px;
  max-width: var(--max-width);
}
@media (max-width: 800px) {
  main.content { padding: 24px 20px; }
}

h1, h2, h3, h4 { color: var(--text); }
h1 { font-size: 2rem; margin-top: 0; }
h2 {
  font-size: 1.5rem;
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: 8px;
  margin-top: 40px;
}
h3 { font-size: 1.2rem; margin-top: 28px; }

.hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 48px 32px;
  border-radius: 12px;
  margin-bottom: 32px;
}
.hero h1 { color: #fff; margin: 0 0 8px; }
.hero p { margin: 0; opacity: 0.95; }

figure { margin: 24px 0; }
figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  display: block;
}
figcaption {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 8px;
  text-align: center;
}

.note, .warning {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
  margin: 16px 0;
}
.warning { border-left-color: #b91c1c; background: #fef2f2; }

table {
  border-collapse: collapse;
  width: 100%;
  margin: 16px 0;
}
th, td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}
th { background: var(--sidebar-bg); }

ul, ol { padding-left: 24px; }
li { margin: 4px 0; }

.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--muted); }