:root {
  color-scheme: light;
  --bg: #f5efe5;
  --panel: #fffdf8;
  --border: #d8cdbf;
  --text: #241d18;
  --muted: #6e5946;
  --accent: #8a4f14;
  --code-bg: #f7f1e9;
  font-family: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: linear-gradient(180deg, #f3ebdf, #fbf8f2); color: var(--text); }
.layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); min-height: 100vh; }
.sidebar { padding: 24px 18px; border-right: 1px solid var(--border); background: rgba(255, 252, 247, 0.96); position: sticky; top: 0; height: 100vh; overflow: auto; }
.sidebar h1 { margin: 0 0 8px; font-size: 1.4rem; }
.sidebar a { color: var(--accent); text-decoration: none; }
.tagline { margin: 0 0 18px; color: var(--muted); }
.sidebar ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.sidebar li { margin: 0; }
.content { max-width: 980px; padding: 32px 40px 48px; }
.content h1, .content h2, .content h3 { line-height: 1.2; }
.content a { color: var(--accent); }
.source-link { margin-top: 0; color: var(--muted); }
pre, code { font-family: Consolas, "Courier New", monospace; }
pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 14px; padding: 14px; overflow: auto; }
code { background: var(--code-bg); padding: 0.14rem 0.35rem; border-radius: 6px; }
pre code { background: transparent; padding: 0; }
table { width: 100%; border-collapse: collapse; margin: 16px 0; }
th, td { padding: 10px; border-top: 1px solid var(--border); text-align: left; vertical-align: top; }
blockquote { margin: 16px 0; padding: 8px 16px; border-left: 4px solid var(--accent); background: rgba(138, 79, 20, 0.06); }
img { max-width: 100%; height: auto; border-radius: 12px; }
@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .content { padding: 24px 18px 40px; }
}