:root{--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--ink: #111827;--ink-soft: #6b7280;--page-bg: #f3f4f6}html,body{margin:0;min-height:100%;font-family:var(--font-sans);font-size:16px;line-height:1.5;color:var(--ink);background:var(--page-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}button,input,select,textarea{font-family:inherit}@media(prefers-color-scheme:dark){:root{--ink: #e5e7eb;--ink-soft: #9ca3af;--page-bg: #0f1420}}