:root{--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";--color-bg: #ffffff;--color-fg: #111827;--color-accent: #2563eb;--radius: 8px;--focus: 2px solid #2563eb;--navbar-height: 64px}*,*:before,*:after{box-sizing:border-box}html,body{height:100%;overflow-x:hidden}body{margin:0;font-family:var(--font-sans);color:var(--color-fg);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;position:relative}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:var(--focus);outline-offset:2px}button{font:inherit;border:0;background:none;cursor:pointer}