:root{--c-bg:#fff;--c-ink:#1a1a1a;--c-ink-muted:#666;--font-sans:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*,:before,:after{box-sizing:border-box}html,body{background:var(--c-bg);color:var(--c-ink);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0;line-height:1.5}:root:has(dialog[open]){overflow:hidden}