html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}a{color:inherit;text-decoration:none}*{box-sizing:border-box}:root{--background:#fff;--text:#000;--card-bg:#fafafa;--border:#eaeaea}.dark{--background:#1a1a1a;--text:#fff;--card-bg:#2d2d2d;--border:#444}body{background-color:var(--background);color:var(--text);transition:background-color .3s,color .3s}.card{background-color:var(--card-bg);border-color:var(--border);color:var(--text)}