:root{color-scheme:dark;--sb-bg:#0f172a;--sb-ink:#0b1220;--sb-surface:#1e293b;--sb-border:#334155;--sb-text-primary:#f1f5f9;--sb-text-body:#cbd5e1;--sb-text-muted:#94a3b8;--sb-text-faint:#64748b;--sb-link:#60a5fa}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--sb-bg);color:var(--sb-text-body);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--sb-link);text-decoration:underline;font-weight:600}a:hover{text-decoration:none}main{min-height:100vh}