:root {
  --color-bg: #0b1220;
  --color-border: rgba(255,255,255,0.10);
  --color-muted: #a9b7d6;
  --color-primary: #6ea8fe;
  --color-surface: #0f1a2f;
  --color-text: #e8eefc;
  --content-max-width: 1100px;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, monospace;
  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  --logo-url: /assets/images/logo.svg;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --sidebar-width: 280px;
}