/* Basic, readable defaults */
:root { --maxw: 860px; }
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif; line-height: 1.6; margin: 0; }
.container { max-width: var(--maxw); margin: 2rem auto; padding: 0 1rem; }
h1,h2,h3 { line-height: 1.25; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace; }
.footer { margin: 4rem auto 2rem; max-width: var(--maxw); padding: 0 1rem; color: #666; font-size: 0.9rem; }
a { text-decoration: none; }
a:hover { text-decoration: underline; }