:root{--color-bg-primary:#0a0a0a;--color-bg-secondary:#141414;--color-bg-tertiary:#1a1a1a;--color-bg-elevated:#242424;--color-text-primary:#fafafa;--color-text-muted:#888;--color-border:#2a2a2a;--color-accent:#3b82f6}.light{--color-bg-primary:#fff;--color-bg-secondary:#f5f5f5;--color-bg-tertiary:#eee;--color-bg-elevated:#fff;--color-text-primary:#0a0a0a;--color-text-muted:#666;--color-border:#e5e5e5}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{background-color:var(--color-bg-primary);color:var(--color-text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}